{"id":3178,"date":"2024-07-02T19:19:53","date_gmt":"2024-07-02T16:19:53","guid":{"rendered":"https:\/\/innfes.com\/vi\/thermal-conductivity-of-polycarbonate\/"},"modified":"2024-07-02T19:19:53","modified_gmt":"2024-07-02T16:19:53","slug":"thermal-conductivity-of-polycarbonate","status":"publish","type":"post","link":"https:\/\/innfes.com\/vi\/thermal-conductivity-of-polycarbonate\/","title":{"rendered":"\u0110\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a polycarbonate"},"content":{"rendered":"\n<p>Hi\u1ec3u \u0111\u01b0\u1ee3c \u0111\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u l\u1ee3p l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft cho c\u1ea3 s\u1ef1 tho\u1ea3i m\u00e1i v\u00e0 hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng. Ph\u1ed5 bi\u1ebfn trong x\u00e2y d\u1ef1ng \u0111\u01b0\u01a1ng \u0111\u1ea1i, polycarbonate c\u00f3 nh\u1eefng ph\u1ea9m ch\u1ea5t \u0111\u1eb7c bi\u1ec7t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1ch truy\u1ec1n nhi\u1ec7t qua n\u00f3.<\/p>\n<p>M\u1ed9t lo\u1ea1i nh\u1ef1a nhi\u1ec7t d\u1ebbo nh\u1eb9 v\u00e0 b\u1ec1n, polycarbonate l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn \u01b0a th\u00edch cho t\u1ea5m l\u1ee3p, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong kh\u00f4ng gian mu\u1ed1n \u00e1nh s\u00e1ng t\u1ef1 nhi\u00ean. \u0110\u1ed9 d\u1eabn nhi\u1ec7t th\u1ea5p c\u1ee7a n\u00f3, kh\u1ea3 n\u0103ng truy\u1ec1n nhi\u1ec7t t\u1eeb t\u1eeb l\u00e0 m\u1ed9t trong nh\u1eefng ph\u1ea9m ch\u1ea5t ph\u00e2n bi\u1ec7t c\u1ee7a n\u00f3. B\u1edfi v\u00ec n\u00f3 l\u00e0m gi\u1ea3m m\u1ee9c t\u0103ng nhi\u1ec7t trong kh\u00ed h\u1eadu \u1ea5m h\u01a1n v\u00e0 m\u1ea5t nhi\u1ec7t \u1edf v\u00f9ng kh\u00ed h\u1eadu l\u1ea1nh h\u01a1n, t\u00e0i s\u1ea3n n\u00e0y h\u1ed7 tr\u1ee3 duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 trong nh\u00e0 \u1ed5n \u0111\u1ecbnh.<\/p>\n<p>Ch\u1ee9c n\u0103ng polycarbonate nh\u01b0 m\u1ed9t ch\u1ea5t c\u00e1ch \u0111i\u1ec7n nhi\u1ec7t tr\u00e1i ng\u01b0\u1ee3c v\u1edbi c\u00e1c v\u1eadt li\u1ec7u nh\u01b0 kim lo\u1ea1i c\u00f3 \u0111\u1ed9 d\u1eabn nhi\u1ec7t cao h\u01a1n. B\u1edfi v\u00ec n\u00f3 c\u00f3 th\u1ec3 gi\u1ea3m thi\u1ec3u chi ph\u00ed n\u0103ng l\u01b0\u1ee3ng b\u1eb1ng c\u00e1ch gi\u1ea3m nhu c\u1ea7u s\u01b0\u1edfi \u1ea5m ho\u1eb7c l\u00e0m m\u00e1t b\u1ed5 sung, kh\u1ea3 n\u0103ng c\u00e1ch \u0111i\u1ec7n n\u00e0y l\u00e0 thu\u1eadn l\u1ee3i trong c\u00e1c \u1ee9ng d\u1ee5ng l\u1ee3p m\u00e1i. Kh\u1ea3 n\u0103ng khu\u1ebfch t\u00e1n \u00e1nh s\u00e1ng c\u1ee7a n\u00f3 c\u0169ng l\u00e0m gi\u1ea3m \u00e1nh s\u00e1ng ch\u00f3i v\u00e0 ph\u00e2n t\u00e1n \u00e1nh s\u00e1ng ban ng\u00e0y t\u1ef1 nhi\u00ean tr\u00ean kh\u1eafp m\u1ed9t khu v\u1ef1c, c\u1ea3i thi\u1ec7n s\u1ef1 tho\u1ea3i m\u00e1i v\u00e0 n\u0103ng su\u1ea5t trong nh\u00e0.<\/p>\n<p>C\u00e1c ki\u1ebfn \u200b\u200btr\u00fac s\u01b0 v\u00e0 nh\u00e0 x\u00e2y d\u1ef1ng ph\u1ea3i hi\u1ec3u \u0111\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a Polycarbonate \u0111\u1ec3 thi\u1ebft k\u1ebf c\u00e1c t\u00f2a nh\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng. Ch\u00fang c\u00f3 th\u1ec3 thi\u1ebft k\u1ebf c\u00e1c c\u1ea5u tr\u00fac v\u1eeba c\u00f3 l\u1ee3i v\u1ec1 m\u1eb7t kinh t\u1ebf v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng l\u00e2u d\u00e0i b\u1eb1ng c\u00e1ch ch\u1ecdn c\u00e1c v\u1eadt li\u1ec7u nh\u01b0 polycarbonate c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng c\u00e1ch nhi\u1ec7t t\u1ed1t.<\/p>\n<h2>\u0110\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a polycarbonate &#8211; v\u1eadt li\u1ec7u b\u1ec1n \u0111\u1ec3 duy tr\u00ec nhi\u1ec7t<\/h2>\n<p>Trong th\u1ecb tr\u01b0\u1eddng x\u00e2y d\u1ef1ng c\u00e1c s\u1ea3n ph\u1ea9m, polycarbonate x\u1ebfp h\u1ea1ng trong s\u1ed1 nh\u1eefng ng\u01b0\u1eddi b\u00e1n h\u00e0ng \u0111\u1ea7u c\u00f9ng v\u1edbi nhi\u1ec1u lo\u1ea1i v\u1eadt li\u1ec7u ho\u00e0n thi\u1ec7n. Lo\u1ea1i ng\u00e0nh x\u00e2y d\u1ef1ng n\u00e0y \u0111ang \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u v\u00ec s\u1ef1 tin c\u1eady, t\u00ednh h\u1eefu d\u1ee5ng, tu\u1ed5i th\u1ecd v\u00e0 gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng c\u1ee7a n\u00f3. V\u1ec1 \u0111\u1ed9 b\u1ec1n, h\u1ea7u h\u1ebft c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t cung c\u1ea5p b\u1ea3o h\u00e0nh 15 n\u0103m20 cho s\u1ea3n ph\u1ea9m c\u1ee7a h\u1ecd. Trong s\u1ed1 nh\u1eefng th\u1ee9 kh\u00e1c, ch\u00fang ta s\u1ebd \u0111\u1eb7c bi\u1ec7t ch\u00fa \u00fd \u0111\u1ebfn \u0111\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a polycarbonate trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y.<\/p>\n<h3>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh<\/h3>\n<p><img decoding=\"async\" class=\"aligncenter\"  src=\"\/wp-content\/uploads\/2024\/07\/teploprovodnost-polikarbonata_1.jpg\"><\/p>\n<p>H\u00e3y suy ngh\u0129 v\u1ec1 c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a s\u1ea3n ph\u1ea9m n\u00e0y m\u1ed9t c\u00e1ch ng\u1eafn g\u1ecdn. Trong nh\u00e0 m\u00e1y, m\u1ed9t polycarbonate c\u1ee7a polyme h\u00f3a h\u1ecdc \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng m\u00e1y m\u00f3c chuy\u00ean d\u1ee5ng. C\u00e1c t\u1ea5m l\u00e0 m\u1ea1nh m\u1ebd v\u00e0 t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p. V\u1eadt li\u1ec7u n\u00e0y c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c c\u1ea3 nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 th\u1ea5p v\u00e0 \u0111\u1ee7 linh ho\u1ea1t. C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a th\u00e0nh ph\u1ea7n polymer \u0111\u01b0\u1ee3c duy tr\u00ec \u1edf nhi\u1ec7t \u0111\u1ed9 trong kho\u1ea3ng t\u1eeb -40 \u0111\u1ebfn +110 s. Hai lo\u1ea1i s\u1ea3n ph\u1ea9m polymer ch\u00ednh t\u1ed3n t\u1ea1i:<\/p>\n<p>C\u1ea5u tr\u00fac c\u1ee7a t\u1ea5m l\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa polycarbonate nguy\u00ean kh\u1ed1i v\u00e0 t\u1ebf b\u00e0o. Cellular \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb hai b\u1ee9c tranh v\u1edbi c\u1ea5u tr\u00fac m\u1ea1ng l\u01b0\u1edbi ch\u1ee9a \u0111\u1ea7y kh\u00f4ng kh\u00ed b\u00ean trong v\u00e0 \u0111\u01b0\u1ee3c n\u1ed1i v\u1edbi nhau b\u1eb1ng c\u00e1ch ch\u00e8n d\u1ecdc. S\u1edf h\u1eefu s\u1ef1 truy\u1ec1n \u00e1nh s\u00e1ng t\u1ed1t. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong qu\u00e1 tr\u00ecnh c\u00e0i \u0111\u1eb7t:<\/p>\n<ul>\n<li>m\u00e1i hi\u00ean v\u00e0 m\u00e1i nh\u00e0;<\/li>\n<li>Nh\u00e0 k\u00ednh v\u00e0 khu nh\u00e0 k\u00ednh;<\/li>\n<li>l\u00f3t c\u00e1c b\u1ec1 m\u1eb7t kh\u00e1c nhau.<\/li>\n<\/ul>\n<p>S\u1ebd l\u00e0 kh\u00f4n ngoan khi l\u00e0m quen v\u1edbi m\u1ed9t s\u1ed1 t\u00e0i s\u1ea3n c\u1ee7a v\u1eadt li\u1ec7u, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a polycarbonate, tr\u01b0\u1edbc khi mua v\u00e0 s\u1eed d\u1ee5ng n\u00f3.<\/p>\n<h3>Kh\u00e1i ni\u1ec7m v\u1ec1 \u0111\u1ed9 d\u1eabn nhi\u1ec7t<\/h3>\n<p>M\u1ed9t truy v\u1ea5n chung l\u00e0 \u00fd ngh\u0129a c\u1ee7a thu\u1eadt ng\u1eef &quot;\u0111\u1ed9 d\u1eabn nhi\u1ec7t.&quot; \u0110\u1eb7c \u0111i\u1ec3m n\u00e0y cho th\u1ea5y r\u1eb1ng nhi\u1ec7t ho\u1eb7c n\u0103ng l\u01b0\u1ee3ng, c\u00f3 th\u1ec3 di chuy\u1ec3n t\u1eeb c\u01a1 th\u1ec3 n\u00e0y sang c\u01a1 th\u1ec3 kh\u00e1c. N\u00f3i m\u1ed9t c\u00e1ch ng\u1eafn g\u1ecdn, m\u1ee9c \u0111\u1ed9 v\u00e0 th\u1eddi gian m\u00e0 m\u1ed9t v\u1eadt li\u1ec7u nh\u1ea5t \u0111\u1ecbnh c\u00f3 th\u1ec3 gi\u1eef nhi\u1ec7t. \u0110\u1eb7c \u0111i\u1ec3m v\u1eadt l\u00fd n\u00e0y b\u1ecb \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp b\u1edfi \u0111\u1ed9 d\u00e0y v\u00e0 c\u1ea5u tr\u00fac c\u1ee7a t\u1edd. C\u00f4ng th\u1ee9c sau \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u00ednh to\u00e1n, v\u1edbi c\u00e1c ch\u1ec9 s\u1ed1 ch\u00ednh sau:<\/p>\n<ul>\n<li>M\u1eadt \u0111\u1ed9 c\u1ee7a ch\u1ea5t;<\/li>\n<li>H\u1ec7 s\u1ed1 d\u1eabn \u0111i\u1ec7n nhi\u1ec7t;<\/li>\n<li>Vector v\u00e0 l\u01b0\u1ee3ng nhi\u1ec7t h\u01b0\u1edbng l\u00ean b\u1ec1 m\u1eb7t.<\/li>\n<\/ul>\n<p>C\u1ea7n l\u01b0u \u00fd r\u1eb1ng polycarbonate gi\u1eef nhi\u1ec7t c\u00e0ng t\u1ed1t, h\u1ec7 s\u1ed1 d\u1eabn nhi\u1ec7t c\u1ee7a n\u00f3 c\u00e0ng th\u1ea5p. Gi\u00e1 tr\u1ecb n\u00e0y cho m\u1ed9t polymer di \u0111\u1ed9ng l\u00e0 kho\u1ea3ng 0.026 w\/\u03bch. Ch\u00fang t\u00f4i cung c\u1ea5p m\u1ed9t s\u1ed1 ch\u1ea5t kh\u00e1c c\u00f3 thu\u1ed9c t\u00ednh n\u00e0y \u0111\u1ec3 so s\u00e1nh:<\/p>\n<h3>Kh\u1ea3 n\u0103ng duy tr\u00ec nhi\u1ec7t polycarbonate<\/h3>\n<p><img decoding=\"async\" class=\"aligncenter\"  src=\"\/wp-content\/uploads\/2024\/07\/teploprovodnost-polikarbonata_2.jpg\"><\/p>\n<p>\u0110\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a polycarbonate nguy\u00ean kh\u1ed1i v\u00e0 t\u1ebf b\u00e0o, nh\u01b0 \u0111\u00e3 l\u01b0u \u00fd, ph\u1ee5 thu\u1ed9c v\u00e0o ch\u00ednh ch\u1ea5t m\u00e0 c\u00e1c t\u1ea5m \u0111\u01b0\u1ee3c t\u1ea1o ra. Ch\u1ec9 s\u1ed1 n\u00e0y r\u1ea5t quan tr\u1ecdng khi l\u1ef1a ch\u1ecdn v\u00e0 mua s\u1ea3n ph\u1ea9m x\u00e2y d\u1ef1ng n\u00e0y, v\u00ec \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i t\u00ednh to\u00e1n ch\u00ednh x\u00e1c vi\u1ec7c m\u1ea5t nhi\u1ec7t v\u00e0 chi ph\u00ed l\u00e0m n\u00f3ng tr\u01b0\u1edbc m\u1ed9t ph\u00f2ng c\u1ee5 th\u1ec3. Polycarbonate nguy\u00ean kh\u1ed1i c\u00f3 \u0111\u1ed9 d\u1eabn nhi\u1ec7t th\u1ea5p h\u01a1n \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng, m\u1eb7c d\u00f9 n\u00f3 v\u1eabn gi\u1eef nhi\u1ec7t t\u1ed1t h\u01a1n 25 % so v\u1edbi th\u1ee7y tinh v\u00e0 t\u1ed1t h\u01a1n 30 % so v\u1edbi polyetylen. Di \u0111\u1ed9ng, nh\u1edd v\u00e0o c\u1ea5u tr\u00fac c\u1ee7a n\u00f3 (SOT ch\u1ee9a \u0111\u1ea7y kh\u00f4ng kh\u00ed), gi\u1eef l\u1ea1i l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t l\u1edbn nh\u1ea5t. Nh\u1edd \u0111i\u1ec1u n\u00e0y, n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 l\u00f3t nh\u00e0 k\u00ednh v\u00e0 nh\u00e0 k\u00ednh. M\u1ed9t th\u1ef1c t\u1ebf ph\u1ed5 bi\u1ebfn l\u00e0 vi\u1ec7c l\u1eafp \u0111\u1eb7t polycarbonate t\u1ebf b\u00e0o d\u01b0\u1edbi d\u1ea1ng c\u00e1ch nhi\u1ec7t.<\/p>\n<p>L\u01b0u \u00fd: V\u00ec kh\u00f4ng kh\u00ed b\u00ean trong t\u1ed5 ong l\u00e0 m\u1ed9t d\u00e2y d\u1eabn nhi\u1ec7t t\u01b0\u01a1ng \u0111\u1ed1i k\u00e9m, n\u00ean v\u1eadt li\u1ec7u v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u nhi\u1ec7t trong nh\u1eefng th\u00e1ng m\u00f9a \u0111\u00f4ng do c\u1ea5u tr\u00fac v\u00e0 t\u00ednh ch\u1ea5t c\u1ee7a n\u00f3.<\/p>\n<h3>M\u1edf r\u1ed9ng nhi\u1ec7t<\/h3>\n<p><img decoding=\"async\" class=\"aligncenter\"  src=\"\/wp-content\/uploads\/2024\/07\/teploprovodnost-polikarbonata_3.jpg\"><\/p>\n<p>M\u1edf r\u1ed9ng nhi\u1ec7t l\u00e0 m\u1ed9t \u0111\u1eb7c t\u00ednh quan tr\u1ecdng b\u1ed5 sung c\u1ee7a v\u1eadt li\u1ec7u kh\u00f4ng th\u1ec3 b\u1ecf qua. Nh\u01b0 nh\u1eefng ki\u1ebfn \u200b\u200bth\u1ee9c ph\u1ed5 bi\u1ebfn, nhi\u1ec1u ch\u1ea5t m\u1edf r\u1ed9ng v\u00e0 n\u00e9n \u0111\u1ec3 \u0111\u00e1p \u1ee9ng v\u1edbi nh\u1eefng thay \u0111\u1ed5i v\u1ec1 nhi\u1ec7t \u0111\u1ed9. Polycarbonate kh\u00f4ng kh\u00e1c, s\u1edf h\u1eefu c\u00f9ng m\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m. K\u1ebft qu\u1ea3 l\u00e0, khi c\u00e0i \u0111\u1eb7t polycarbonate, c\u1ea3 t\u1ebf b\u00e0o v\u00e0 nguy\u00ean kh\u1ed1i, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i xem x\u00e9t h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t c\u1ee7a n\u00f3. N\u00f3 r\u1ea5t d\u1ec5 d\u00e0ng \u0111\u1ec3 t\u00ednh to\u00e1n ch\u1ec9 b\u00e1o n\u00e0y. M\u1ed9t c\u00f4ng th\u1ee9c \u0111\u01a1n gi\u1ea3n \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u1edf \u0111\u00e2y:<\/p>\n<p>Trong \u0111\u00f3 KR l\u00e0 h\u1ec7 s\u1ed1 m\u1edf r\u1ed9ng, b\u1eb1ng 0.065 mm\/s, t l\u00e0 bi\u00ean \u0111\u1ed9 nhi\u1ec7t \u0111\u1ed9 v\u00e0 g l\u00e0 k\u00edch th\u01b0\u1edbc c\u1ee7a b\u1ea3ng ti\u00eau chu\u1ea9n.<\/p>\n<p>C\u00e1c t\u00ednh to\u00e1n \u0111\u01a1n gi\u1ea3n cho th\u1ea5y polymer 1 m s\u1ebd m\u1edf r\u1ed9ng v\u00e0 n\u00e9n trong 5.2 mm \u1edf bi\u00ean \u0111\u1ed9 nhi\u1ec7t \u0111\u1ed9 t\u1eeb -40 \u0111\u1ebfn +40 \u00b0 C (80 \u0111\u1ed9 C trong.<\/p>\n<p>L = 5.2 mm (1 \u00d7 80 \u00d7 0.065).<\/p>\n<p>C\u00e1c ch\u1ec9 s\u1ed1 c\u1ee7a vi\u1ec7c m\u1edf r\u1ed9ng nhi\u1ec7t ph\u1ea3i \u0111\u01b0\u1ee3c xem x\u00e9t khi c\u00e0i \u0111\u1eb7t v\u1ecf. \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u1ed9t c\u1ea5u h\u00ecnh duy nh\u1ea5t t\u1ea1i c\u00e1c kh\u1edbp, theo \u0111\u00f3 kh\u00f4ng gian c\u1ea7n thi\u1ebft trong qu\u00e1 tr\u00ecnh c\u00e0i \u0111\u1eb7t \u0111\u1ec3 m\u01b0\u1ee3n trang t\u00ednh. Ch\u1ed1t hi\u1ec7u qu\u1ea3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi \u0111\u01b0\u1eddng k\u00ednh l\u1ed7 l\u1edbn h\u01a1n \u0111\u1ed9 d\u00e0y c\u1ee7a v\u00edt. S\u1eed d\u1ee5ng \u1ed1c v\u00edt c\u00f9ng v\u1edbi v\u1eadt li\u1ec7u nhi\u1ec7t d\u1ebbo l\u00f4ng.<\/p>\n<p>M\u1ed9t \u0111i\u1ec3m quan tr\u1ecdng c\u1ea7n ghi nh\u1edb l\u00e0 nh\u1eefng t\u00ednh to\u00e1n v\u00e0 ch\u1ec9 s\u1ed1 n\u00e0y ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u c\u1ee5 th\u1ec3. C\u00e1c t\u1ea5m m\u00e0u t\u1ed1i h\u1ea5p th\u1ee5 nhi\u1ec1u \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi h\u01a1n; Do \u0111\u00f3, trong m\u00f9a n\u00f3ng, s\u1ebd c\u00f3 s\u1ef1 gia t\u0103ng 20% \u200b\u200b30%.<\/p>\n<p>\u0110\u1eb7c \u0111i\u1ec3m duy nh\u1ea5t c\u1ee7a polycarbonate \u0111\u00e3 thu h\u00fat c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 nh\u00e0 k\u00ednh l\u00e0 \u0111\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a n\u00f3; Tuy nhi\u00ean, polycarbonate t\u1ebf b\u00e0o c\u00f3 \u0111\u1ed9 d\u1eabn nhi\u1ec7t cao h\u01a1n.<\/p>\n<blockquote><p>\n   Trong m\u1ea3nh n\u00e0y cho &quot;T\u1ea5t c\u1ea3 v\u1ec1 m\u00e1i nh\u00e0&quot; Ch\u00fang t\u00f4i \u0111i\u1ec1u tra \u0111\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a polycarbonate. X\u00e1c \u0111\u1ecbnh s\u1ef1 ph\u00f9 h\u1ee3p c\u1ee7a polycarbonate nh\u01b0 m\u1ed9t v\u1eadt li\u1ec7u l\u1ee3p \u0111\u00f2i h\u1ecfi s\u1ef1 hi\u1ec3u bi\u1ebft v\u1ec1 m\u1ee9c \u0111\u1ed9 v\u1eadt li\u1ec7u c\u1ee7a v\u1eadt li\u1ec7u. Ch\u00fang t\u00f4i s\u1ebd gi\u1ea3i th\u00edch \u0111\u1ed9 d\u1eabn nhi\u1ec7t theo c\u00e1ch c\u1ee7a gi\u00e1o d\u00e2n, th\u1ea3o lu\u1eadn v\u1ec1 t\u1ea7m quan tr\u1ecdng c\u1ee7a n\u00f3 \u0111\u1ed1i v\u1edbi vi\u1ec7c x\u00e2y d\u1ef1ng hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng v\u00e0 t\u01b0\u01a1ng ph\u1ea3n polycarbonate v\u1edbi c\u00e1c v\u1eadt li\u1ec7u l\u1ee3p ph\u1ed5 bi\u1ebfn kh\u00e1c. V\u00e0o th\u1eddi \u0111i\u1ec3m t\u1ea5t c\u1ea3 th\u00f4ng qua, b\u1ea1n s\u1ebd hi\u1ec3u ch\u00ednh x\u00e1c c\u00e1c \u0111\u1eb7c t\u00ednh nhi\u1ec7t c\u1ee7a polycarbonate \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng t\u1ed1t, cho ph\u00e9p b\u1ea1n ch\u1ecdn m\u1ed9t c\u00e1ch kh\u00f4n ngoan khi s\u1eed d\u1ee5ng n\u00f3 \u0111\u1ec3 l\u1ee3p m\u00e1i \u0111\u1ec3 l\u1ee3p m\u00e1i.&quot;\n  <\/p><\/blockquote>\n<h2>\u0110\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a c\u00e1c t\u1ea5m polycarbonate t\u1ebf b\u00e0o<\/h2>\n<p>\u0110\u1ed9 d\u1eabn nhi\u1ec7t: N\u00f3 l\u00e0 g\u00ec?<\/p>\n<p>\u0110\u1ed9 d\u1eabn nhi\u1ec7t, nh\u01b0 m\u1ed9t t\u00ednh ch\u1ea5t v\u1eadt l\u00fd, ng\u1ee5 \u00fd m\u1ed9t kh\u1ea3 n\u0103ng nh\u1ea5t \u0111\u1ecbnh \u0111\u1ec3 truy\u1ec1n c\u00e1c nguy\u00ean t\u1eed n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t t\u1eeb m\u1ed9t c\u01a1 th\u1ec3 c\u00f3 nhi\u1ec1u h\u01a1n n\u0103ng l\u01b0\u1ee3ng n\u00e0y, sang m\u1ed9t c\u01a1 th\u1ec3 kh\u00e1c, t\u01b0\u01a1ng \u1ee9ng, \u00edt tr\u00e0n \u0111\u1ea7y n\u0103ng l\u01b0\u1ee3ng n\u00e0y. \u0110\u1ed9 d\u1eabn nhi\u1ec7t l\u00e0 r\u1ea5t quan tr\u1ecdng khi ch\u1ecdn v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng v\u00e0 ho\u00e0n thi\u1ec7n, do \u0111\u00f3 n\u00f3 \u0111\u01b0\u1ee3c \u0111o l\u01b0\u1eddng v\u00e0 so s\u00e1nh v\u1edbi c\u00e1c m\u1eabu c\u1ea1nh tranh. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng c\u00e1ch t\u00ednh th\u1ec3 t\u00edch nhi\u1ec7t, c\u00f3 th\u1ec3 r\u00fat qua v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u v\u1edbi \u0111\u1ed9 d\u00e0y 1 m, m\u1ed7i \u0111\u01a1n v\u1ecb th\u1eddi gian (t\u00ednh b\u1eb1ng gi\u00e2y). T\u1eeb quan \u0111i\u1ec3m c\u1ee7a v\u1eadt l\u00fd, m\u1ed7i v\u1eadt li\u1ec7u trong h\u1ec7 th\u1ed1ng ho\u1eb7c s\u1ef1 ph\u1ee5 thu\u1ed9c nh\u01b0 v\u1eady s\u1ebd c\u1ed1 g\u1eafng \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 c\u00e2n b\u1eb1ng chung v\u1ec1 m\u1eb7t nhi\u1ec7t, c\u1ee5 th\u1ec3 l\u00e0, \u0111\u1ec3 c\u00e2n b\u1eb1ng s\u1ef1 c\u00e2n b\u1eb1ng c\u1ee7a nhi\u1ec7t.<\/p>\n<p>\u0110\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a t\u1ea5m b\u00e1n polycarbonate<\/p>\n<p>Khi n\u00f3i \u0111\u1ebfn c\u00e1ch nhi\u1ec7t, c\u1ea5u tr\u00fac c\u1ee7a c\u00e1c t\u1ea5m polycarbonate c\u1ee7a Sellex cung c\u1ea5p m\u1ed9t s\u1ed1 l\u1ee3i th\u1ebf. So s\u00e1nh d\u1ea1ng r\u1ed7ng v\u1edbi c\u00e1c v\u1eadt li\u1ec7u li\u00ean t\u1ee5c \u0111\u1ec3 tr\u00e1ng men, d\u1ea1ng r\u1ed7ng cung c\u1ea5p ch\u1ea5t l\u01b0\u1ee3ng c\u00e1ch nhi\u1ec7t t\u1ed1t h\u01a1n v\u1edbi s\u1ef1 m\u1ea5t nhi\u1ec7t \u00edt h\u01a1n. L\u01b0\u1ee3ng nhi\u1ec7t di chuy\u1ec3n qua m\u1ed9t m\u00e9t vu\u00f4ng c\u1ee7a v\u1eadt li\u1ec7u v\u00f9ng tr\u00e1ng men trong m\u1ed9t gi\u1edd khi nhi\u1ec7t \u0111\u1ed9 thay \u0111\u1ed5i m\u1ed9t \u0111\u1ed9 C trong m\u1ed9t \u0111\u1ed9.<\/p>\n<p>Selllex Cellular Polycarbonate ch\u1ea5t l\u01b0\u1ee3ng c\u00e1ch \u0111i\u1ec7n c\u0169ng s\u1ebd gi\u00fap ng\u0103n ch\u1eb7n c\u00e1i l\u1ea1nh x\u00e2m nh\u1eadp v\u00e0o t\u00f2a nh\u00e0 nhi\u1ec1u. V\u00e0o m\u00f9a \u0111\u00f4ng, nhi\u1ec7t \u0111\u1ed9 tr\u00ean b\u1ec1 m\u1eb7t b\u00ean trong c\u1ee7a t\u1ea5m v\u1eabn cao h\u01a1n h\u1ec7 s\u1ed1 d\u1eabn nhi\u1ec7t th\u1ea5p h\u01a1n. M\u1ed9t minh h\u1ecda v\u1ec1 s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 th\u00f4ng qua t\u1ea5m polycarbonate d\u00e0y 6 mm \u1edf nhi\u1ec7t \u0111\u1ed9 b\u00ean ngo\u00e0i -10 \u00b0 C v\u00e0 nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng kh\u00ed trong nh\u00e0 l\u00e0 +20 \u00b0 C \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb b\u00ean d\u01b0\u1edbi.<\/p>\n<p>So v\u1edbi m\u1ed9t ly duy nh\u1ea5t, b\u1ec1 m\u1eb7t b\u00ean trong c\u1ee7a k\u00ednh s\u1ebd l\u1ea1nh h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi kh\u00f4ng kh\u00ed xung quanh trong c\u00f9ng m\u1ed9t tr\u01b0\u1eddng h\u1ee3p. \u0110i\u1ec1u n\u00e0y s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 t\u1ed5ng th\u1ec3 c\u1ee7a ph\u00f2ng v\u00e0 g\u00e2y kh\u00f3 ch\u1ecbu trong v\u00f9ng l\u00e2n c\u1eadn c\u1eeda s\u1ed5.<\/p>\n<h3>X\u00e1c \u0111\u1ecbnh \u0111\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a polycarbonate trong th\u1ef1c t\u1ebf<\/h3>\n<p>M\u1ed9t trong nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m quan tr\u1ecdng nh\u1ea5t c\u1ee7a polycarbonate l\u00e0 v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng l\u00e0 \u0111\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a n\u00f3. T\u1ea5t c\u1ea3 c\u00e1c d\u1eef li\u1ec7u li\u00ean quan \u0111\u1ebfn \u0111\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a polycarbonate t\u1ebf b\u00e0o \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n v\u00e0 x\u00e1c nh\u1eadn th\u00f4ng qua th\u1eed nghi\u1ec7m (xem ph\u1ea7n tr\u00ean).<\/p>\n<p>\u0110\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a c\u00e1c t\u1ea5m b\u00e1n h\u00e0ng l\u00e0m b\u1eb1ng \u0111\u1ed9 d\u1eabn nhi\u1ec7t polycarbonate t\u1ebf b\u00e0o: N\u00f3 l\u00e0 g\u00ec? L\u00e0 m\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m v\u1eadt l\u00fd, \u0111\u1ed9 d\u1eabn nhi\u1ec7t bi\u1ec3u th\u1ecb m\u1ed9t kh\u1ea3 n\u0103ng truy\u1ec1n n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t nh\u1ea5t \u0111\u1ecbnh.<\/p>\n<h2>\u0110\u1eb7c \u0111i\u1ec3m so s\u00e1nh c\u1ee7a c\u00e1c t\u1ea5m polycarbonate v\u1edbi c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c<\/h2>\n<p>1. B\u00e1n k\u00ednh t\u1ed1i thi\u1ec3u c\u1ee7a u\u1ed1n cong, M:<\/p>\n<p>C\u00f4ng th\u1ee9c g\u1ea7n \u0111\u00fang \u0111\u1ec3 t\u00ecm ra b\u00e1n k\u00ednh u\u1ed1n t\u1ed1i thi\u1ec3u c\u1ee7a Polycarbonate:<\/p>\n<p>N\u01a1i T bi\u1ec3u th\u1ecb \u0111\u1ed9 d\u00e0y c\u1ee7a t\u1ea5m.<\/p>\n<p>2. H\u1ec7 s\u1ed1 tuy\u1ebfn t\u00ednh gi\u00e3n n\u1edf tuy\u1ebfn t\u00ednh<\/p>\n<p>H\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t tuy\u1ebfn t\u00ednh c\u1ee7a polycarbonate<\/p>\n<p>6-5.2-2&#215;10-5 1\/k, T.e. M\u1ed7i \u0111\u1ed3ng h\u1ed3 tuy\u1ebfn t\u00ednh c\u1ee7a t\u1edd tr\u1ea3i nghi\u1ec7m A 0.065\u00b80.072 mm gi\u1ea3m ho\u1eb7c t\u0103ng theo m\u1ecdi h\u01b0\u1edbng khi nhi\u1ec7t \u0111\u1ed9 thay \u0111\u1ed5i 1 \u0111\u1ed9. Ngo\u00e0i ra, c\u00e1c t\u1ea5m b\u1eb1ng \u0111\u1ed3ng, m\u00e0u xanh v\u00e0 m\u00e0u ng\u1ecdc lam c\u00f3 h\u1ec7 s\u1ed1 m\u1edf r\u1ed9ng nhi\u1ec7t tuy\u1ebfn t\u00ednh c\u1ee7a c\u00e1c t\u1ea5m trong su\u1ed1t v\u00e0 c\u00e1c t\u1ea5m opal.<\/p>\n<p>S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 nhi\u1ec7t \u0111\u1ed9 trong su\u1ed1t c\u1ea3 n\u0103m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh dung sai t\u1ed1i thi\u1ec3u cho s\u1ef1 gi\u00e3n n\u1edf nhi\u1ec7t (c\u1ea3 v\u1ec1 chi\u1ec1u d\u00e0i v\u00e0 chi\u1ec1u r\u1ed9ng c\u1ee7a t\u1ea5m).<\/p>\n<p>V\u00ed d\u1ee5 v\u1ec1 t\u00ednh to\u00e1n: Kho\u1ea3ng c\u00e1ch gi\u1eefa trang t\u00ednh v\u00e0 c\u1ea5u tr\u00fac l\u00e0 4.55 mm (0.065x1x70 = 4.55 mm) khi l\u1eafp m\u1ed9t t\u1ea5m trong c\u1ea5u tr\u00fac c\u1ee9ng d\u00e0i 1 m\u00e9t v\u00e0 c\u00f3 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 l\u00e0 70 \u00b0 C (t\u1eeb -25 \u00b0 C \u0111\u1ebfn +45 \u00b0 C) trong m\u1ed9t n\u0103m.<\/p>\n<p>3. Kh\u00e1ng v\u1edbi h\u00f3a ch\u1ea5t<\/p>\n<p>\u0110\u1ed1i v\u1edbi k\u00ednh, t\u1ea5m polycarbonate Stronex ho\u1ea1t \u0111\u1ed9ng t\u1ed1t khi k\u1ebft h\u1ee3p v\u1edbi nhi\u1ec1u lo\u1ea1i v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng v\u00e0 c\u00e1c ch\u1ebf ph\u1ea9m. Y\u00eau c\u1ea7u tr\u01b0\u1edbc th\u1eed nghi\u1ec7m cho t\u1ea5t c\u1ea3 c\u00e1c v\u1eadt li\u1ec7u b\u1ed5 sung ti\u1ebfp x\u00fac v\u1edbi polycarbonate do s\u1ef1 ph\u1ee9c t\u1ea1p c\u1ee7a kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch h\u00f3a h\u1ecdc.<\/p>\n<p>Polycarbonate c\u00f3 kh\u1ea3 n\u0103ng kh\u00e1ng nhi\u1ec1u ph\u01b0\u01a1ng ti\u1ec7n ho\u1ea1t \u0111\u1ed9ng h\u00f3a h\u1ecdc. N\u00f3 kh\u00f4ng ti\u1ebfp x\u00fac v\u1edbi h\u1ea7u h\u1ebft c\u00e1c axit v\u00f4 c\u01a1 v\u00e0 h\u1eefu c\u01a1, c\u00e1c t\u00e1c nh\u00e2n oxy h\u00f3a v\u00e0 ph\u1ee5c h\u1ed3i, mu\u1ed1i axit v\u00e0 c\u01a1 b\u1ea3n, hydrocarbon aliphatic, r\u01b0\u1ee3u, ch\u1ea5t t\u1ea9y r\u1eeda, ch\u1ea5t b\u00e9o v\u00e0 ch\u1ea5t b\u00f4i tr\u01a1n. \u0110i\u1ec7n tr\u1edf h\u00f3a h\u1ecdc c\u1ee7a PC ph\u1ee5 thu\u1ed9c v\u00e0o n\u1ed3ng \u0111\u1ed9 h\u00f3a ch\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng khi ti\u1ebfp x\u00fac. V\u00ed d\u1ee5, sau khi n\u01b0\u1edbc \u1edf nhi\u1ec7t \u0111\u1ed9 tr\u00ean 60 \u00b0 C. Xem c\u00e1c t\u00e1c ph\u1ea9m \u0111\u1ec3 l\u00e0m s\u1ea1ch th\u1ee7y tinh c\u00f3 ch\u1ee9a amoniac, khi ch\u00fang ph\u00e1 h\u1ee7y polycarbonate. Polycarbonate h\u00f2a tan trong dung m\u00f4i k\u1ef9 thu\u1eadt: ethylene clorua, tetrahloretan, metakreisole v\u00e0 pyridine.<\/p>\n<p>1. Kh\u1ea3 n\u0103ng kh\u00e1ng h\u00f3a ch\u1ea5t t\u1ed1t c\u1ee7a polycarbonate (tham kh\u1ea3o B\u1ea3ng 1) kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi t\u1ea3i, nhi\u1ec7t \u0111\u1ed9 ho\u1eb7c chi\u1ec1u d\u00e0i ph\u01a1i nhi\u1ec5m.<\/p>\n<p>2. C\u00e1c dung d\u1ecbch x\u00e0 ph\u00f2ng m\u1ec1m, r\u01b0\u1ee3u heptan ho\u1eb7c hexane, methyl ho\u1eb7c isopropyl, v\u00e0 c\u00e1c ch\u1ea5t l\u00e0m s\u1ea1ch \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m s\u1ea1ch c\u00e1c b\u1ed9 ph\u1eadn polycarbonate. C\u00e1c axit m\u1ea1nh, ki\u1ec1m nh\u01b0 natri hydroxit, ketone nh\u01b0 methylen v\u00e0 acetone, v\u00e0 kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng hydrocarbon hydrocact m\u1ed9t ph\u1ea7n \u0111\u1ec3 l\u00e0m s\u1ea1ch. 3. Isopropanol, m\u1ed9t dung m\u00f4i tinh th\u1ea7n tr\u1eafng kh\u00f4ng c\u00f3 hydrocarbon th\u01a1m, n\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 lo\u1ea1i b\u1ecf s\u01a1n (graffiti) kh\u1ecfi t\u1ea5m polycarbonate.<\/p>\n<p>4. Xoa b\u1ec1 m\u1eb7t t\u1ea5m b\u1eb1ng b\u00e0n ch\u1ea3i, v\u1ea3i kim lo\u1ea1i ho\u1eb7c c\u00e1c v\u1eadt li\u1ec7u m\u00e0i m\u00f2n kh\u00e1c kh\u00f4ng \u0111\u01b0\u1ee3c khuy\u1ebfn kh\u00edch.<\/p>\n<p>4. \u0110\u1eb7c \u0111i\u1ec3m quang h\u1ecdc c\u1ee7a polycarbonate<\/p>\n<p>Do t\u00ednh th\u1ea5m nh\u1eb9 c\u1ee7a polycarbonate, polycarbonate t\u1ebf b\u00e0o th\u01b0\u1eddng c\u00f3 ch\u1ec9 s\u1ed1 t\u1eeb 90% tr\u1edf l\u00ean, t\u00f9y thu\u1ed9c v\u00e0o \u0111\u1ed9 d\u00e0y c\u1ee7a t\u1ea5m, cao h\u01a1n so v\u1edbi k\u00ednh acrylic th\u00f4ng th\u01b0\u1eddng.<\/p>\n<p>5. Ph\u1ea9m ch\u1ea5t h\u1ea5p th\u1ee5 \u00e2m thanh<\/p>\n<p>B\u01b0\u1edbc s\u00f3ng v\u00e0 t\u1ea7n s\u1ed1 c\u1ee7a s\u00f3ng kh\u00f4ng kh\u00ed g\u00e2y ra nhi\u1ec5u, \u0111\u01b0\u1ee3c \u0111\u1ecbnh l\u01b0\u1ee3ng b\u1eb1ng \u00e1p su\u1ea5t c\u1ee7a ch\u00fang. Decibel \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o nhi\u1ec5u; Ti\u1ebfng \u1ed3n d\u01b0\u1edbi 60 dB \u0111\u01b0\u1ee3c coi l\u00e0 im l\u1eb7ng, ti\u1ebfng \u1ed3n trong kho\u1ea3ng t\u1eeb 65 \u0111\u1ebfn 90 dB \u0111\u01b0\u1ee3c coi l\u00e0 \u0111\u00e1ng k\u1ec3 v\u00e0 ti\u1ebfng \u1ed3n tr\u00ean 90 dB \u0111\u01b0\u1ee3c coi l\u00e0 ph\u00e1 ho\u1ea1i. Ng\u01b0\u1eddi ta bi\u1ebft r\u1eb1ng vi\u1ec7c m\u1edf r\u1ed9ng l\u1edbp kh\u00f4ng kh\u00ed gi\u1eefa c\u00e1c c\u1ea5u tr\u00fac nh\u01b0 v\u1eady ho\u1eb7c kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a ti\u1ebfng \u1ed3n \u0111\u1ed9 tr\u1ec5 c\u1ee7a c\u1ea5u tr\u00fac l\u00e0 hai c\u00e1ch \u0111\u1ec3 gi\u1ea3m ti\u1ebfng \u1ed3n. C\u00e1c t\u1ea5m polycarbonate c\u1ea5u tr\u00fac v\u1edbi \u0111\u1ed9 d\u00e0y t\u1eeb 4 \u0111\u1ebfn 16 mm l\u00e0m gi\u1ea3m nhi\u1ec5u xu\u1ed1ng m\u1ee9c 18 \u0111\u1ebfn 23 dB.<\/p>\n<p>So s\u00e1nh m\u1ed9t khung k\u00ednh v\u00e0 m\u1ed9t t\u1ea5m Stronex nguy\u00ean kh\u1ed1i \u0111\u1ec3 h\u1ea5p th\u1ee5 \u00e2m thanh<\/p>\n<p>T\u1ea5m kh\u1ed1i nguy\u00ean kh\u1ed1i l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng truy\u1ec1n \u00e2m thanh, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u00e2m thanh t\u1ea7n s\u1ed1 th\u1ea5p nh\u01b0 ti\u1ebfng \u1ed3n \u0111\u00f4 th\u1ecb, khi \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng tr\u00ean 50 mm t\u1eeb k\u00ednh th\u00f4ng th\u01b0\u1eddng.<\/p>\n<p>6. Ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a c\u00e1ch nhi\u1ec7t<\/p>\n<p>L\u00e1 polycarbonate, gi\u1ed1ng nh\u01b0 ph\u1ea7n l\u1edbn c\u00e1c v\u1eadt li\u1ec7u polyme trong su\u1ed1t kh\u00e1c, l\u00e0 m\u1ed9t s\u1ef1 thay th\u1ebf tuy\u1ec7t v\u1eddi cho th\u1ee7y tinh silicat v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 tr\u00e1ng men, \u0111\u1eb7c bi\u1ec7t l\u00e0 k\u00ednh b\u1ea3o v\u1ec7. H\u1ec7 s\u1ed1 truy\u1ec1n nhi\u1ec7t (K), \u0111o c\u00e1ch nhi\u1ec7t trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, \u0111\u00f3ng vai tr\u00f2 l\u00e0 ch\u1ec9 b\u00e1o ho\u1ea1t \u0111\u1ed9ng ch\u00ednh.<\/p>\n<p>Khi c\u00e1ch nhi\u1ec7t l\u00e0 y\u00eau c\u1ea7u ch\u00ednh, c\u1ea5u tr\u00fac \u0111a tr\u1ea1m c\u1ee7a c\u00e1c t\u1ea5m polycarbonate stronex cung c\u1ea5p l\u1ee3i th\u1ebf \u0111\u00e1ng k\u1ec3. Khi so s\u00e1nh v\u1edbi k\u00ednh c\u00f3 \u0111\u1ed9 d\u00e0y t\u01b0\u01a1ng t\u1ef1, c\u00e1c t\u1ea5m polycarbonate cung c\u1ea5p ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng \u0111\u00e1ng k\u1ec3 (l\u00ean \u0111\u1ebfn 50%) cho chi ph\u00ed s\u01b0\u1edfi \u1ea5m v\u00e0 l\u00e0m m\u00e1t v\u00ec \u0111\u1ed9 d\u1eabn nhi\u1ec7t th\u1ea5p h\u01a1n c\u1ee7a ch\u00fang. Ngo\u00e0i ra, kh\u00f4ng kh\u00ed b\u1ecb m\u1eafc k\u1eb9t gi\u1eefa c\u00e1c ch\u1ea5t l\u00e0m c\u1ee9ng ho\u1eb7c t\u01b0\u1eddng, ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t ch\u1ea5t c\u00e1ch \u0111i\u1ec7n nhi\u1ec7t tuy\u1ec7t v\u1eddi, duy tr\u00ec ch\u1ebf \u0111\u1ed9 nhi\u1ec7t \u0111\u1ed9 c\u1ee7a ph\u00f2ng.<\/p>\n<p>Ngay c\u1ea3 c\u00e1c t\u1ea5m polycarbonate c\u1ea5u tr\u00fac m\u1ecfng nh\u1ea5t (4 mm) c\u0169ng c\u00f3 c\u00e1ch nhi\u1ec7t g\u1ea7n g\u1ea5p \u0111\u00f4i so v\u1edbi k\u00ednh \u0111\u01a1n gi\u1ea3n. C\u00e1c t\u1ea5m d\u00e0y t\u00e1m mm \u1edf ph\u00eda tr\u01b0\u1edbc c\u00e1c c\u1eeda s\u1ed5 \u0111\u01b0\u1ee3c tr\u00e1ng men \u0111\u00f4i, trong khi c\u00e1c t\u1ea5m d\u00e0y m\u01b0\u1eddi s\u00e1u \u0111\u1ebfn hai m\u01b0\u01a1i l\u0103m mm c\u00f3 nhi\u1ec7t c\u00e1ch nhi\u1ec7t h\u01a1n so v\u1edbi c\u00e1c c\u1eeda s\u1ed5 k\u00ednh g\u1ea5p \u0111\u00f4i v\u1edbi k\u00ednh ba.<\/p>\n<p>7. S\u1eeda \u0111\u1ed5i c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a PC \u0111\u1ec3 \u0111\u00e1p \u1ee9ng v\u1edbi c\u00e1c nguy\u00ean li\u1ec7u th\u00f4 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00e0 nhi\u1ec7t \u0111\u1ed9 b\u00ean ngo\u00e0i<\/p>\n<p>C\u00e1c thu\u1ed9c t\u00ednh k\u1ef9 thu\u1eadt c\u1ee7a c\u00e1c t\u1ea5m polycarbonate ph\u00f9 h\u1ee3p v\u1edbi th\u00f4ng tin \u0111\u01b0\u1ee3c cung c\u1ea5p trong H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng k\u1ef9 thu\u1eadt (TU) cho c\u00e1c s\u1ea3n ph\u1ea9m v\u00e0 kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi c\u00e1c nguy\u00ean li\u1ec7u th\u00f4 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/p>\n<p>T\u00ednh ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng c\u1ee7a polycarbonate \u0111\u01b0\u1ee3c duy tr\u00ec trong ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 t\u1eeb -400c \u0111\u1ebfn 1200C.<\/p>\n<p>B\u1ee9c x\u1ea1 tia c\u1ef1c t\u00edm kh\u00f4ng th\u1ec3 x\u00e2m nh\u1eadp polycarbonate m\u00e0 kh\u00f4ng c\u1ea7n b\u1ea3o v\u1ec7 th\u00eam. \u0110\u1ed9 nh\u1ea1y thi\u1ec7t h\u1ea1i c\u01a1 h\u1ecdc (x\u1ea3y ra c\u00e0o).<\/p>\n<p>C\u00e1c \u0111\u01b0\u1eddng \u0111i b\u1ed9 trong su\u1ed1t, m\u00e0n h\u00ecnh h\u1ea5p th\u1ee5 \u00e2m thanh b\u00ean c\u1ea1nh c\u00e1c con \u0111\u01b0\u1eddng, m\u00e1i nh\u00e0 k\u00ednh trong su\u1ed1t, ph\u00e2n v\u00f9ng ch\u1ed1ng \u0111\u1ea1n, h\u00e0ng r\u00e0o ch\u1ed1ng d\u1ecbch chuy\u1ec3n, v\u00f2m x\u00e2y d\u1ef1ng trong su\u1ed1t, \u0111\u00e8n ch\u1ed1ng tr\u1ec5 v\u00e0 k\u00ednh b\u1ea3o v\u1ec7 (v\u1edbi m\u1ed9t l\u1edbp ph\u1ee7 \u0111\u1eb7c bi\u1ec7t c\u00e1c c\u1ea5u tr\u00fac trong su\u1ed1t v\u1edbi k\u00ednh ch\u1ed1ng vi \u0111i\u1ec3m b\u1ea3o v\u1ec7.<\/p>\n<p>S\u1eed d\u1ee5ng v\u1eadt li\u1ec7u n\u00e0y l\u00e0m k\u00ednh cho nh\u00e0 k\u00ednh, v\u01b0\u1eddn m\u00f9a \u0111\u00f4ng, v.v. C\u00f3 th\u00eam l\u1ee3i \u00edch c\u1ee7a vi\u1ec7c ng\u0103n ch\u1eb7n s\u1ea3n l\u01b0\u1ee3ng nhi\u1ec7t v\u00e0 \u0111\u00f3ng g\u00f3p v\u00e0o hi\u1ec7u \u1ee9ng nh\u00e0 k\u00ednh do thi\u1ebfu b\u1ee9c x\u1ea1 h\u1ed3ng ngo\u1ea1i nh\u1ecf (b\u01b0\u1edbc s\u00f3ng: 2000 Nott3000nm).<\/p>\n<p>Thi\u1ebfu b\u1ea3o v\u1ec7 UV m\u00e0 kh\u00f4ng c\u00f3 l\u1edbp ph\u1ee7 b\u1ea3o v\u1ec7; s\u1ef1 ng\u01b0ng t\u1ee5 h\u00ecnh th\u00e0nh b\u00ean trong c\u00e1c t\u1ebf b\u00e0o do th\u00f4ng gi\u00f3 kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7; v\u00e0 \u0111\u1eb7t c\u00e1c t\u1ea5m kh\u00f4ng ch\u00ednh x\u00e1c khi ch\u00fang \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t. \u0110\u1ed9 nh\u1ea1y thi\u1ec7t h\u1ea1i c\u01a1 h\u1ecdc (x\u1ea3y ra c\u00e0o).<\/p>\n<p>M\u00e1i nh\u00e0 c\u1ee7a s\u00e2n v\u1eadn \u0111\u1ed9ng, b\u1ec3 b\u01a1i, ch\u1ee3, giao c\u1eaft cho ng\u01b0\u1eddi \u0111i b\u1ed9, m\u00e1i hi\u00ean v\u00e0 t\u1ea5m che, k\u00ednh d\u1ecdc c\u00f4ng nghi\u1ec7p, \u0111\u00e8n ch\u1ed1ng l\u1ea1i, khu v\u01b0\u1eddn m\u00f9a \u0111\u00f4ng v\u00e0 m\u00e1i nh\u00e0 k\u00ednh, ph\u00e2n v\u00f9ng trong su\u1ed1t, h\u1ed9p \u00e1nh s\u00e1ng v\u00e0 c\u00e1c d\u1ea5u hi\u1ec7u qu\u1ea3ng c\u00e1o ngo\u00e0i tr\u1eddi l\u00e0 v\u00ed d\u1ee5 v\u1ec1 c\u1ea5u tr\u00fac.<\/p>\n<p>V\u1eadt li\u1ec7u n\u00e0y c\u00f3 s\u1ee9c m\u1ea1nh cao v\u00e0 d\u1ec5 x\u1eed l\u00fd.\u0110\u1eb7c bi\u1ec7t s\u1ee9c \u0111\u1ec1 kh\u00e1ng m\u1ea1nh \u0111\u1ed1i v\u1edbi d\u00f2ng kh\u00f4ng kh\u00ed v\u00e0 trong su\u1ed1t. N\u00f3 c\u1ef1c k\u1ef3 kh\u00f3 kh\u0103n. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t k\u00ednh \u00e1p tr\u00f2ng v\u00e0 \u00e1p d\u1ee5ng k\u00ednh ti\u1ebfp x\u00fac v\u00ec kh\u00f4ng c\u00f3 bi\u1ebfn d\u1ea1ng quang h\u1ecdc. ph\u00e2n bi\u1ec7t b\u1edfi s\u1ef1 kh\u00e1ng c\u1ef1 m\u1ea1nh m\u1ebd \u0111\u1ed1i v\u1edbi c\u00e1c t\u00e1c \u0111\u1ed9ng c\u1ee7a c\u00e1c bi\u1ebfn s\u1ed1 v\u00e0 c\u00e1c bi\u1ebfn m\u00f4i tr\u01b0\u1eddng. Kh\u00e1ng UV. thu\u1eadn l\u1ee3i v\u1ec1 m\u1eb7t sinh th\u00e1i.<\/p>\n<p>Ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 th\u1ea5p nh\u01b0 -700c. s\u1edf h\u1eefu kh\u1ea3 n\u0103ng ch\u1ed1ng h\u00f3a ch\u1ea5t m\u1ea1nh, th\u1eadm ch\u00ed \u0111\u1ed1i v\u1edbi nhi\u00ean li\u1ec7u \u0111\u1ed9ng c\u01a1<\/p>\n<p>\u0110\u1ed9 nh\u1ea1y c\u1ea3m v\u1edbi thi\u1ec7t h\u1ea1i c\u01a1 h\u1ecdc (tr\u1ea7y x\u01b0\u1edbc); T\u00ednh th\u1ea5m h\u01a1i v\u00e0 kh\u00ed (kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 h\u01a1i n\u01b0\u1edbc t\u1eeb m\u00f4i tr\u01b0\u1eddng v\u00e0 bay h\u01a1i v\u1edbi \u0111\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i gi\u1ea3m);<\/p>\n<p>M\u00e1y bay x\u00e2y d\u1ef1ng: K\u00ednh h\u00e0ng kh\u00f4ng.<\/p>\n<p>Ch\u1ea5t c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng t\u00e1c \u0111\u1ed9ng h\u01a1n. So s\u00e1nh n\u00f3 v\u1edbi polystyrene (h\u00f4ng) kh\u00e1ng va ch\u1ea1m, polystyrene (GPP) v\u00e0 c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c, n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng s\u1ed1c cao h\u01a1n. Copolyme c\u1ee7a styroll. s\u1edf h\u1eefu kh\u1ea3 n\u0103ng ch\u1ed1ng h\u00f3a h\u1ecdc m\u1ea1nh. gi\u00e1 \u0111\u1ee1 cho ch\u1ea5t b\u00f4i tr\u01a1n v\u00e0 ki\u1ec1m. M\u1ed9t s\u1ed1 th\u01b0\u01a1ng hi\u1ec7u s\u1edf h\u1eefu ch\u1ea5t l\u01b0\u1ee3ng ch\u1ed1ng t\u0129nh \u0111i\u1ec7n. c\u00f3 k\u00edch th\u01b0\u1edbc \u1ed5n \u0111\u1ecbnh. gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng c\u00e1ch \u0111i\u1ec7n \u0111i\u1ec7n x\u00e1c \u0111\u1ecbnh \u0111\u1eb7c \u0111i\u1ec3m n\u00e0y.<\/p>\n<p>Kh\u00f4ng ph\u1ea3i l\u00e0 sunstrokes (s\u1eed d\u1ee5ng c\u00e1c ch\u1ea5t ph\u1ee5 gia c\u1ee5 th\u1ec3 l\u00e0m cho b\u1ea1n ch\u1ed1ng l\u1ea1i b\u1ee9c x\u1ea1 UV h\u01a1n).<\/p>\n<p>Ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00f4 t\u00f4: C\u00e1c th\u00e0nh ph\u1ea7n n\u1ed9i th\u1ea5t xe bu\u00fdt, t\u1ea5m c\u1eeda, radio xe h\u01a1i v\u00e0 \u1ed1p xe n\u1ed9i th\u1ea5t (v\u1edbi \u1ed5n \u0111\u1ecbnh UV).<\/p>\n<p>B\u1edfi v\u00ec c\u00e1c t\u1ea5m \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh r\u1ea5t d\u1ec5 d\u00e0ng, b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c b\u1ed9 ph\u1eadn v\u00e0 s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ph\u1ee9c t\u1ea1p. S\u1ee9c m\u1ea1nh t\u00e1c \u0111\u1ed9ng cao c\u1ee7a v\u1eadt li\u1ec7u n\u00e0y l\u00e0m cho n\u00f3 ph\u00f9 h\u1ee3p cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng khoan, phay v\u00e0 c\u01b0a sau khi s\u1ea3n ph\u1ea9m ho\u00e0n th\u00e0nh. L\u00fd t\u01b0\u1edfng cho c\u00e1c li\u00ean h\u1ec7 h\u00e0n, \u00e1p d\u1ee5ng l\u1edbp ph\u1ee7 \u0111i\u1ec7n v\u00e0 kim lo\u1ea1i h\u00f3a (c\u00e1c th\u01b0\u01a1ng hi\u1ec7u c\u1ee5 th\u1ec3 t\u1ed3n t\u1ea1i).<\/p>\n<p>\u0110\u1eb7c \u0111i\u1ec3m x\u1eed l\u00fd c\u1ee7a n\u00f3 l\u00e0 t\u1ed1t v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp c\u1ee7a n\u00f3 r\u1ea5t t\u1ed1t (ch\u1ec9 v\u01b0\u1ee3t qua b\u1edfi polycarbonate).<\/p>\n<p>PMMA v\u00e0 PC minh b\u1ea1ch c\u00f3 th\u1ec3 so s\u00e1nh v\u1edbi c\u00e1c t\u1ea5m th\u00fa c\u01b0ng v\u1ec1 ngo\u1ea1i h\u00ecnh v\u00e0 truy\u1ec1n t\u1ea3i. PET, tuy nhi\u00ean, c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 s\u1ed1c cao g\u1ea5p m\u01b0\u1eddi l\u1ea7n so v\u1edbi PMM. PET c\u00f3 m\u1ee9c \u0111\u1ed9 kh\u00e1ng h\u00f3a ch\u1ea5t cao \u0111\u1ed1i v\u1edbi axit, ki\u1ec1m, mu\u1ed1i, r\u01b0\u1ee3u, parafin v\u00e0 d\u1ea7u kho\u00e1ng khi n\u00f3i \u0111\u1ebfn s\u1ef1 x\u00e2m l\u01b0\u1ee3c c\u1ee7a ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng. T\u1ea5m th\u00fa c\u01b0ng r\u1ea5t h\u00e0o nho\u00e1ng, gi\u1ed1ng nh\u01b0 c\u00e1c t\u1ea5m pmma, ps v\u00e0 pc l\u00e0.<\/p>\n<p>V\u00ec nh\u1eefng c\u0103ng th\u1eb3ng b\u00ean trong nh\u1eb9 c\u1ee7a ch\u00fang, c\u00e1c t\u1ea5m th\u00fa c\u01b0ng r\u1ea5t d\u1ec5 x\u1eed l\u00fd. T\u1ea5m th\u00fa c\u01b0ng kh\u00f4ng c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c s\u1ea5y kh\u00f4 m\u1ed9t ph\u1ea7n.<\/p>\n<p>Cloroform, methylen clorua, ethylacetate, toluole, acetone, benzen v\u00e0 methylence l\u00e0 m\u1ed9t trong nh\u1eefng dung m\u00f4i m\u00e0 PET h\u00f2a tan trong.<\/p>\n<p>Polystyrene m\u1ecbn, trong su\u1ed1t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng thay cho k\u00ednh trong c\u00e1c t\u00ecnh hu\u1ed1ng m\u00e0 t\u00f2a nh\u00e0 c\u1ea7n k\u00ednh b\u00ean trong. N\u00f3 l\u00e0 ho\u00e0n h\u1ea3o cho k\u00ednh b\u00ean trong, t\u1ea1o ra v\u00f2i hoa sen v\u00e0 ph\u00e2n v\u00f9ng trang tr\u00ed, thi\u1ebft b\u1ecb th\u01b0\u01a1ng m\u1ea1i v\u00e0 tri\u1ec3n l\u00e3m, v\u00e0 s\u1ef1 ph\u00e2n t\u00e1n \u00e1nh s\u00e1ng khi n\u00f3 trong c\u00e1c h\u00ecnh th\u1ee9c trong su\u1ed1t v\u00e0 m\u1edd (c\u00e1c s\u1eafc th\u00e1i kh\u00e1c nhau). Polystyrene k\u1ebft c\u1ea5u, ch\u1eb3ng h\u1ea1n nh\u01b0 b\u0103ng b\u0103m nh\u1ecf, pinsospot v\u00e0 l\u0103ng k\u00ednh, v\u00e0 polystyrene m\u00e0u th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong vi\u1ec7c s\u1ea3n xu\u1ea5t c\u00e1c b\u1ea3n d\u1ef1ng, tr\u1ea7n l\u01a1 l\u1eedng, ph\u00e2n v\u00f9ng v\u00e0 k\u00ednh m\u00e0u.<\/p>\n<p>\u1ede tr\u1ea1ng th\u00e1i kh\u00f4ng thay \u0111\u1ed5i c\u1ee7a n\u00f3 nh\u01b0 m\u1ed9t ch\u1ea5t li\u1ec7u polystyrene tinh t\u1ebf. Polystyrene kh\u00e1ng va \u0111\u1eadp \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng c\u00e1ch th\u00eam c\u00e1c ch\u1ea5t ph\u1ee5 gia duy nh\u1ea5t v\u00e0o c\u00e1c nguy\u00ean li\u1ec7u th\u00f4 ban \u0111\u1ea7u \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp v\u00e0 \u0111\u1ed9 d\u1ebbo.<\/p>\n<p>\u00b7 Kh\u1ea3 n\u0103ng ch\u1ed1ng s\u01b0\u01a1ng gi\u00e1 xu\u1ed1ng -40 \u00b0 C,<\/p>\n<p>\u00b7 S\u1ef1 v\u00f4 c\u1ea3m h\u00f3a h\u1ecdc \u0111\u1ed1i v\u1edbi c\u00e1c c\u01a1 s\u1edf v\u00e0 axit,<\/p>\n<p>\u00b7 S\u1ea1ch s\u1ebd m\u00f4i tr\u01b0\u1eddng (v\u00ec n\u00f3 li\u00ean quan \u0111\u1ebfn th\u1ef1c ph\u1ea9m),<\/p>\n<p>\u00b7 \u0110i\u1ec7n tr\u1edf \u0111i\u1ec7n, ho\u1eb7c kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c d\u00f2ng \u0111i\u1ec7n.<\/p>\n<p>M\u1ed9t v\u1eadt li\u1ec7u d\u1ec5 ch\u00e1y l\u00e0 polystyrene.<\/p>\n<p>\u0110i\u1ec7n tr\u1edf UV th\u1ea5p (trong tr\u01b0\u1eddng h\u1ee3p kh\u00f4ng c\u00f3 b\u1ea3o v\u1ec7 b\u1ed5 sung).<\/p>\n<p>Polystyrene ch\u1ed1ng va \u0111\u1eadp c\u00f3 m\u1ed9t lo\u1ea1t c\u00e1c \u1ee9ng d\u1ee5ng v\u00f4 h\u1ea1n; N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng th\u01b0\u1eddng xuy\u00ean nh\u1ea5t \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c y\u1ebfu t\u1ed1 ki\u1ebfn \u200b\u200btr\u00fac v\u00e0 c\u00e1c c\u1ea5u tr\u00fac qu\u1ea3ng c\u00e1o ngo\u00e0i tr\u1eddi nh\u01b0 khi\u00ean qu\u1ea3ng c\u00e1o v\u00e0 c\u00e1c d\u1ea5u hi\u1ec7u. T\u1ea5m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1eaft l\u00e1t, khoan, u\u1ed1n cong, d\u00e1n m\u1eaft v\u00e0 ch\u1ecbu s\u1ef1 gi\u1ea3i ph\u00f3ng ch\u00e2n kh\u00f4ng v\u00e0 nhi\u1ec7t.<\/p>\n<p>Th\u1ebb tham quan, m\u1ed9t c\u00e2y b\u00fat m\u00e1y, \u0111\u1ed3 ch\u01a1i; C\u00e1c th\u00f9ng ch\u1ee9a th\u1ef1c ph\u1ea9m, bao b\u00ec v\u00e0 c\u00e1c m\u00f3n \u0103n; T\u1ee7 l\u1ea1nh, v\u0103n ph\u00f2ng v\u00e0 v\u1ecf thi\u1ebft b\u1ecb y t\u1ebf; Bao b\u00ec m\u1ef9 ph\u1ea9m; C\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a thi\u1ebft b\u1ecb th\u01b0\u01a1ng m\u1ea1i v\u00e0 tri\u1ec3n l\u00e3m, thi\u1ebft b\u1ecb h\u1ec7 th\u1ed1ng \u1ed1ng n\u01b0\u1edbc v\u00e0 v\u1eadt li\u1ec7u ho\u00e0n thi\u1ec7n t\u00f2a nh\u00e0.<\/p>\n<p>C\u01b0\u1eddng \u0111\u1ed9 s\u1ed1c cao, \u0111i\u1ec7n tr\u1edf cao v\u1edbi nhi\u1ec1u u\u1ed1n cong, t\u00ednh th\u1ea5m h\u01a1i v\u00e0 kh\u00ed th\u1ea5p v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n t\u01b0\u01a1ng t\u1ef1 nh\u01b0 polyamid l\u00e0 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a polypropylen. M\u1eb7c d\u00f9 n\u00f3 l\u00e0 m\u1ed9t \u0111i\u1ec7n m\u00f4i t\u1ed1t, polypropylen kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t ch\u1ea5t d\u1eabn nhi\u1ec7t t\u1ed1t. N\u00f3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng n\u01b0\u1edbc s\u00f4i, ki\u1ec1m v\u00e0 dung m\u00f4i h\u1eefu c\u01a1; Tuy nhi\u00ean, n\u00f3 t\u1ed1i v\u00e0 suy tho\u00e1i khi ti\u1ebfp x\u00fac v\u1edbi h\u1ed7n h\u1ee3p HNO3, H3SO4 v\u00e0 Chrome.<\/p>\n<p>Khi \u0111\u1ed1t, polypropylen t\u1ebf b\u00e0o ch\u1ec9 gi\u1ea3i ph\u00f3ng n\u01b0\u1edbc v\u00e0 CO2.<\/p>\n<p>\u1ede 70 \u00b0 C, bi\u1ebfn d\u1ea1ng nhi\u1ec7t \u0111\u1ed9 nh\u1ef1a b\u1eaft \u0111\u1ea7u x\u1ea3y ra.<\/p>\n<p>S\u1ee9c \u0111\u1ec1 kh\u00e1ng kh\u00f4ng \u0111\u1ee7 khi ti\u1ebfp x\u00fac v\u1edbi \u00e1nh s\u00e1ng tia c\u1ef1c t\u00edm.<\/p>\n<p>Do kh\u1ea3 n\u0103ng ch\u1ed1ng nhi\u1ec7t v\u00e0 \u00e1nh s\u00e1ng k\u00e9m, ch\u1ea5t \u1ed5n \u0111\u1ecbnh l\u00e0m b\u1eb1ng v\u1eadt li\u1ec7u polymer \u0111\u01b0\u1ee3c th\u00eam v\u00e0o n\u00f3 nh\u01b0 l\u00e0 ch\u1ea5t ph\u1ee5 gia \u0111\u1eb7c bi\u1ec7t.<\/p>\n<p>\u0110\u01b0\u1ee3c t\u00ecm th\u1ea5y s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong s\u1ea3n xu\u1ea5t c\u00e1c mi\u1ebfng \u0111\u1ec7m, th\u01b0 m\u1ee5c, h\u1ed9p v\u00e0 th\u00f9ng ch\u1ee9a \u0111\u1ec3 \u0111\u00f3ng g\u00f3i. X\u00e9t v\u1ec1 bao b\u00ec \u0111\u00e1ng tin c\u1eady trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt, n\u00f3 c\u00f3 hi\u1ec7u qu\u1ea3 l\u00e0 c\u00e1c b\u00eca c\u1ee9ng c\u00f3 hi\u1ec7u qu\u1ea3.<\/p>\n<p>V\u1eadt li\u1ec7u in stprint v\u00e0 gi\u00e1 treo \u0111\u00e8n chi\u1ebfu s\u00e1ng \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng qu\u1ea3ng c\u00e1o b\u00ean ngo\u00e0i.<\/p>\n<p>Polypropylen \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m b\u1ecdt, m\u00e1y m\u00f3c, s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c \u0111\u1ecbnh h\u00ecnh, \u0111\u01b0\u1eddng \u1ed1ng (cho ch\u1ea5t l\u1ecfng t\u00edch c\u1ef1c), gia c\u1ed1 kh\u00e1c nhau, th\u00f9ng ch\u1ee9a, v\u1eadt d\u1ee5ng gia \u0111\u00ecnh, v\u00e0 phim v\u00e0 s\u1ee3i duy tr\u00ec t\u00ednh linh ho\u1ea1t c\u1ee7a ch\u00fang \u1edf nhi\u1ec7t \u0111\u1ed9 t\u1eeb 100 \u0111\u1ebfn 130 \u0111\u1ed9 Celsius.<\/p>\n<p>Nh\u1ef1a PVC x\u1ed1p c\u00f3 bi\u1ec7t danh c\u1ee7a h\u1ecd v\u00ec c\u1ea5u tr\u00fac x\u1ed1p b\u00ean trong c\u1ee7a ch\u00fang. PVC Paste \u0111\u1ee7 m\u1ea1nh v\u1ec1 m\u1eb7t c\u01a1 h\u1ecdc, ch\u1ed1ng \u1ea9m, c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng c\u00e1ch \u0111i\u1ec7n t\u1ed1t, v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng axit v\u00e0 ki\u1ec1m. N\u00f3 c\u0169ng c\u00f3 v\u1ebb ngo\u00e0i \u0111\u1eb9p, d\u1ec5 c\u1eaft, \u0111\u00fac, h\u00e0n v\u00e0 keo, v\u00e0 kh\u00f4ng h\u00f2a tan trong d\u1ea7u h\u1ecfa ho\u1eb7c x\u0103ng. T\u1ea5m t\u1ea5m x\u1ed1p cung c\u1ea5p c\u00e1ch nhi\u1ec7t v\u01b0\u1ee3t tr\u1ed9i v\u00e0 m\u1eadt \u0111\u1ed9 th\u1ea5p. Nh\u1eefng t\u1ea5m n\u00e0y ch\u1ed1ng l\u1ea1i \u0111\u1ed9 \u1ea9m t\u1ed1t ngo\u00e0i vi\u1ec7c \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng nh\u1ef1a PVC c\u1ee9ng. Ch\u1ed1ng l\u1ea1i s\u1ef1 thay \u0111\u1ed5i v\u1ec1 nhi\u1ec7t \u0111\u1ed9 v\u00e0 hi\u1ec7u \u1ee9ng kh\u00ed quy\u1ec3n. kh\u1ea3 n\u0103ng ch\u00e1y h\u1ea1n ch\u1ebf. kh\u00f4ng c\u00f3 h\u1ea1i.<\/p>\n<p>S\u1ee9c m\u1ea1nh s\u1ed1c c\u1ee7a nh\u1ef1a b\u1ecdt gi\u1ea3m d\u1ea7n \u1edf nhi\u1ec7t \u0111\u1ed9 ti\u00eau c\u1ef1c.<\/p>\n<p>D\u1ea5u hi\u1ec7u, m\u00e0n h\u00ecnh th\u00f4ng tin, kh\u00e1n \u0111\u00e0i tri\u1ec3n l\u00e3m, khi\u00ean, c\u1eeda s\u1ed5 c\u1eeda h\u00e0ng, h\u00e0ng th\u1ec3 t\u00edch v\u00e0 th\u01b0 l\u00e0 v\u00ed d\u1ee5 v\u1ec1 qu\u1ea3ng c\u00e1o.<\/p>\n<p>X\u00e2y d\u1ef1ng: Thi\u1ebft k\u1ebf n\u1ed9i th\u1ea5t c\u1ee7a kh\u00f4ng gian \u0111\u00f2i h\u1ecfi ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng nhi\u1ec7t, \u0111\u1ed9 \u1ea9m v\u00e0 c\u00e1ch \u0111i\u1ec7n \u00e2m thanh cao (\u0111\u1ed9 d\u1ed1c c\u1ee7a c\u1eeda s\u1ed5, \u1ed1p t\u01b0\u1eddng, ph\u00e2n v\u00f9ng), c\u0169ng nh\u01b0 khung c\u1eeda s\u1ed5, t\u1ea5m c\u1eeda, k\u1ec7 v\u00e0 c\u00e1c c\u1ea5u tr\u00fac kh\u00e1c.<\/p>\n<p>Nh\u1ef1a PVC \u0111\u00e3 \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh m\u1ed9t b\u1ec1 m\u1eb7t tuy\u1ec7t v\u1eddi \u0111\u1ec3 v\u1ebd, vecnishing v\u00e0 \u00e1p d\u1ee5ng c\u00e1c b\u1ed9 phim t\u1ef1 d\u00ednh.<\/p>\n<p>B\u1ecdt PVC d\u1ec5 d\u00e0ng \u0111\u01b0\u1ee3c x\u1eed l\u00fd v\u00e0 b\u00e1m v\u00e0o nhau.<\/p>\n<p>N\u00f3 l\u00e0 kh\u1ea3 thi \u0111\u1ec3 h\u00e0n v\u00e0 \u0111\u00fac c\u00e1c t\u1ea5m n\u00e0y.<\/p>\n<p>N\u00f3 c\u00f3 b\u1ec1 m\u1eb7t m\u1ecbn b\u00f3ng ho\u1eb7c m\u1edd, \u0111\u1ed9 c\u1ee9ng t\u1ed1t, kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp t\u1ed1t v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i c\u00e1c hi\u1ec7u \u1ee9ng m\u00f4i tr\u01b0\u1eddng l\u00e2u d\u00e0i.<\/p>\n<p>M\u1ed9t t\u00e0i li\u1ec7u t\u1ef1 \u0111i\u1ec1u ch\u1ec9nh l\u00e0 PVC kh\u00f3.<\/p>\n<p>Nh\u1ef1a PVC m\u1ea5t m\u1ed9t s\u1ed1 c\u01b0\u1eddng \u0111\u1ed9 s\u1ed1c c\u1ee7a ch\u00fang khi nhi\u1ec7t \u0111\u1ed9 gi\u1ea3m.<\/p>\n<p>Nh\u1ef1a T\u1ea5m PVC c\u1ee9ng c\u00f3 b\u1ec1 m\u1eb7t ph\u1eb3ng l\u00fd t\u01b0\u1edfng cho vi\u1ec7c \u00e9p v\u00e0 in stprint. C\u00e1c t\u1ea5m b\u00e1nh sandwich nh\u1ef1a \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb PVC c\u1ee9ng v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong trang tr\u00ed \u0111\u1ed9 d\u1ed1c c\u1ee7a t\u01b0\u1eddng v\u00e0 c\u1eeda s\u1ed5. PVC c\u1ee9ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb v\u0103n ph\u00f2ng, th\u00f9ng ch\u1ee9a v\u00e0 \u1ed1ng d\u1eabn kh\u00e1ng h\u00f3a h\u1ecdc. T\u1ea5m PVC c\u1ee9ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh qu\u1ea3ng c\u00e1o \u0111\u1ec3 t\u1ea1o ra c\u00e1c s\u1ea3n ph\u1ea9m, d\u1ea5u hi\u1ec7u \u0111\u00fac v\u00e0 kh\u00e1n \u0111\u00e0i tri\u1ec3n l\u00e3m.<\/p>\n<p>Polycarbonate t\u1ea5m nguy\u00ean kh\u1ed1i \u0111\u01b0\u1ee3c b\u00e1n b\u1edfi nh\u00e0 s\u1ea3n xu\u1ea5t v\u1edbi c\u1ea3 gi\u00e1 b\u00e1n bu\u00f4n v\u00e0 b\u00e1n l\u1ebb \u1edf Moscow v\u00e0 khu v\u1ef1c xung quanh. Danh m\u1ee5c, l\u1ef1a ch\u1ecdn, chi ph\u00ed gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng v\u00e0 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng<\/p>\n<h2>\u0110\u1eb7c \u0111i\u1ec3m v\u00e0 k\u00edch th\u01b0\u1edbc c\u1ee7a t\u1ea5m polycarbonate<\/h2>\n<p>\u1ede c\u00e1c n\u01b0\u1edbc CIS, polycarbonate \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00f4ng nghi\u1ec7p, x\u00e2y d\u1ef1ng v\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb y t\u1ebf trong m\u01b0\u1eddi n\u0103m qua.<\/p>\n<p>Polycarbonate c\u00f3 hai gi\u1ed1ng: nguy\u00ean kh\u1ed1i v\u00e0 di \u0111\u1ed9ng. Ninge s\u1ebd l\u1ea7n l\u01b0\u1ee3t gi\u1ea3i quy\u1ebft t\u1eebng ng\u01b0\u1eddi trong s\u1ed1 h\u1ecd.<\/p>\n<h3>K\u00edch th\u01b0\u1edbc v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a m\u1ed9t t\u1ea5m polycarbonate t\u1ebf b\u00e0o<\/h3>\n<p>C\u00e1c ch\u1ea5t l\u00e0m c\u1ee9ng b\u00ean trong \u0111\u01b0\u1ee3c n\u1ed1i v\u1edbi nhi\u1ec1u l\u1edbp polycarbonate t\u1ebf b\u00e0o. V\u00ec c\u1ea5u tr\u00fac c\u1ee7a n\u00f3, c\u00e1c t\u1ea5m polycarbonate c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng c\u00e1ch nhi\u1ec7t \u0111\u1eb7c bi\u1ec7t v\u00e0 gi\u1ed1ng nh\u01b0 t\u1ed5 ong l\u00e0m t\u1eeb ong.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter\"  src=\"\/wp-content\/uploads\/2024\/07\/teploprovodnost-polikarbonata_4.jpg\"><\/p>\n<p>Ngo\u00e0i ra, s\u1ed1 l\u01b0\u1ee3ng &quot;\u00f4&quot; (m\u00e1y \u1ea3nh) thay \u0111\u1ed5i theo \u0111\u1ed9 d\u00e0y c\u1ee7a t\u1ea5m. Do \u0111\u00f3, v\u00ed d\u1ee5, m\u1ed9t polycarbonate 10 mm s\u1ebd c\u00f3 kho\u1ea3ng ba \u0111\u1ebfn b\u1ed1n h\u00e0ng m\u00e1y \u1ea3nh. V\u00e0 m\u1ed9t h\u00e0ng trong b\u1ed1n mm.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter\"  src=\"\/wp-content\/uploads\/2024\/07\/teploprovodnost-polikarbonata_5.jpg\"><\/p>\n<p>H\u01a1n n\u1eefa, v\u1eadt li\u1ec7u trong su\u1ed1t, ph\u00e2n t\u00e1n \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi v\u00e0 v\u01b0\u1ee3t qua \u00e1nh s\u00e1ng t\u1ed1t (c\u00e1c t\u1ea5m trong su\u1ed1t c\u00f3 m\u1ee9c \u0111\u1ed9 th\u1ea5m nh\u1eb9 t\u1eeb 80 \u0111\u1ebfn 90%).<\/p>\n<p>T\u00f9y thu\u1ed9c v\u00e0o \u0111\u1ed9 d\u00e0y v\u00e0 c\u1ea5u tr\u00fac c\u1ee7a ch\u00fang, c\u00e1c t\u1ea5m polycarbonate t\u1ebf b\u00e0o c\u00f3 th\u1ec3 c\u00f3 c\u00e1c h\u1ec7 s\u1ed1 truy\u1ec1n \u00e1nh s\u00e1ng kh\u00e1c nhau.<\/p>\n<p>Polycarbonate t\u1ebf b\u00e0o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng th\u01b0\u1eddng xuy\u00ean nh\u1ea5t trong c\u00e1c gian h\u00e0ng tri\u1ec3n l\u00e3m, v\u01b0\u1eddn m\u00f9a \u0111\u00f4ng v\u00e0 nh\u00e0 k\u00ednh.<\/p>\n<p>M\u1eb7c d\u00f9 c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t cung c\u1ea5p c\u00e1c t\u1ea5m di \u0111\u1ed9ng b\u1eb1ng nhi\u1ec1u m\u00e0u s\u1eafc, d\u1eef li\u1ec7u b\u00e1n h\u00e0ng ch\u1ec9 ra r\u1eb1ng m\u1ed9t v\u1eadt li\u1ec7u minh b\u1ea1ch l\u00e0 m\u1ed9t nh\u00e0 l\u00e3nh \u0111\u1ea1o kh\u00f4ng ng\u1eebng.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter\"  src=\"\/wp-content\/uploads\/2024\/07\/teploprovodnost-polikarbonata_6.jpg\"><\/p>\n<p>V\u1eadt li\u1ec7u n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c b\u1ee9c t\u01b0\u1eddng v\u00e0 m\u00e1i nh\u00e0 ph\u00e2n v\u00f9ng. V\u00ec kh\u00f4ng gian s\u00e0n b\u00ean trong, polycarbonate gi\u1eef nhi\u1ec7t ho\u00e0n h\u1ea3o trong nh\u1eefng th\u00e1ng l\u1ea1nh.<\/p>\n<p>\u0110\u1ed9 d\u1eabn nhi\u1ec7t so s\u00e1nh Th\u1ee7y tinh Th\u1ee7y tinh v\u00e0 polycarbonate t\u1ebf b\u00e0o:<\/p>\n<p>\u0110\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a polycarbonate t\u1ebf b\u00e0o c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb \u0111\u1ed9 d\u00e0y t\u1ea5m.<\/p>\n<p>Kh\u00f4ng c\u00f2n nghi ng\u1edd g\u00ec n\u1eefa, tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a v\u1eadt li\u1ec7u nh\u01b0 v\u1eady l\u00e0 m\u1ed9t l\u1ee3i th\u1ebf kh\u00e1c.<\/p>\n<p>M\u01b0\u1eddi hai l\u1ea7n nh\u1eb9 nh\u01b0 m\u1ed9t t\u1ea5m c\u1ee7a c\u00f9ng m\u1ed9t khu v\u1ef1c k\u00ednh l\u00e0 m\u1ed9t t\u1ea5m polycarbonate.<\/p>\n<p>N\u00f3i c\u00e1ch kh\u00e1c, c\u00e1c k\u1ef9 s\u01b0 xem x\u00e9t tr\u1ecdng l\u01b0\u1ee3ng nh\u1ecf khi x\u00e1c \u0111\u1ecbnh thi\u1ebft b\u1ecb c\u1ee7a c\u1ea5u tr\u00fac h\u1ed7 tr\u1ee3 m\u00e0 c\u00e1c t\u1ea5m s\u1ebd \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o; \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 c\u00e1c gi\u00e1 \u0111\u1ee1 h\u1ed7 tr\u1ee3 c\u00f3 th\u1ec3 g\u1eafn \u00edt nh\u1ea5t c\u1ee7a kim lo\u1ea1i. gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 chi ph\u00ed cu\u1ed1i c\u00f9ng c\u1ee7a c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng.<\/p>\n<p>C\u1ed5ng th\u00f4ng tin cung c\u1ea5p th\u00f4ng tin v\u1ec1 t\u00f2a nh\u00e0 ngo\u1ea1i \u00f4. Ch\u1ec9 th\u00f4ng tin c\u1eadp nh\u1eadt v\u1ec1 th\u1ee7 c\u00f4ng DIY, k\u1ebf ho\u1ea1ch c\u00e0i \u0111\u1eb7t, m\u00f4 t\u1ea3 v\u1eadt ch\u1ea5t, so s\u00e1nh c\u00f4ng ngh\u1ec7 v\u00e0 b\u1ea5t \u0111\u1ed9ng s\u1ea3n. c\u00f3 l\u1ee3i cho m\u1ecdi ch\u1ee7 s\u1edf h\u1eefu c\u1ee7a m\u1ed9t ng\u00f4i nh\u00e0 ho\u1eb7c ng\u00f4i nh\u00e0.<\/p>\n<p>B\u1ea5t c\u1ee9 ai ngh\u0129 v\u1ec1 vi\u1ec7c s\u1eed d\u1ee5ng polycarbonate cho c\u00e1c d\u1ef1 \u00e1n l\u1ee3p c\u1ea7n ph\u1ea3i nh\u1eadn th\u1ee9c \u0111\u01b0\u1ee3c \u0111\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a n\u00f3. Ngo\u00e0i vi\u1ec7c nh\u1eb9 v\u00e0 m\u1ea1nh, polycarbonate c\u00f2n c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng c\u00e1ch nhi\u1ec7t v\u01b0\u1ee3t tr\u1ed9i. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 b\u1eb1ng c\u00e1ch gi\u1ea3m thi\u1ec3u t\u0103ng nhi\u1ec7t trong th\u1eddi ti\u1ebft \u1ea5m h\u01a1n v\u00e0 gi\u1ea3m m\u1ea5t nhi\u1ec7t trong c\u00e1c m\u00f9a l\u1ea1nh h\u01a1n, n\u00f3 c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 trong nh\u00e0 \u1ed5n \u0111\u1ecbnh.<\/p>\n<p>\u0110\u1ed9 d\u1eabn nhi\u1ec7t th\u1ea5p c\u1ee7a polycarbonate l\u00e0 m\u1ed9t l\u1ee3i \u00edch tr\u00e1i ng\u01b0\u1ee3c v\u1edbi m\u1ed9t s\u1ed1 v\u1eadt li\u1ec7u l\u1ee3p kh\u00e1c c\u00f3 th\u1ec3 d\u1eabn nhi\u1ec7t. B\u1eb1ng c\u00e1ch gi\u1ea3m truy\u1ec1n nhi\u1ec7t gi\u1eefa n\u1ed9i th\u1ea5t v\u00e0 b\u00ean ngo\u00e0i c\u1ee7a t\u00f2a nh\u00e0, n\u00f3 g\u00f3p ph\u1ea7n t\u1ea1o ra m\u1ed9t m\u00f4i tr\u01b0\u1eddng trong nh\u00e0 tho\u1ea3i m\u00e1i h\u01a1n. Ngo\u00e0i vi\u1ec7c c\u1ea3i thi\u1ec7n s\u1ef1 tho\u1ea3i m\u00e1i, t\u00ednh n\u0103ng n\u00e0y c\u0169ng gi\u00fap ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng, c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn chi ph\u00ed s\u01b0\u1edfi \u1ea5m v\u00e0 l\u00e0m m\u00e1t th\u1ea5p h\u01a1n.<\/p>\n<p>H\u01a1n n\u1eefa, polycarbonate l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u l\u1ee3p ph\u1ed5 bi\u1ebfn \u1edf nh\u1eefng n\u01a1i \u00e1nh s\u00e1ng t\u1ef1 nhi\u00ean \u0111\u01b0\u1ee3c \u01b0a th\u00edch nh\u01b0ng t\u0103ng nhi\u1ec7t l\u00e0 m\u1ed9t m\u1ed1i quan t\u00e2m do kh\u1ea3 n\u0103ng khu\u1ebfch t\u00e1n \u00e1nh s\u00e1ng trong khi ch\u1eb7n c\u00e1c tia UV c\u00f3 h\u1ea1i. Polycarbonate l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u linh ho\u1ea1t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u1ea3 \u1ee9ng d\u1ee5ng l\u1ee3p d\u00e2n c\u01b0 v\u00e0 th\u01b0\u01a1ng m\u1ea1i v\u00ec l\u1ee3i \u00edch k\u00e9p c\u1ee7a c\u00e1ch nhi\u1ec7t v\u00e0 khu\u1ebfch t\u00e1n \u00e1nh s\u00e1ng.<\/p>\n<h2>Video v\u1ec1 ch\u1ee7 \u0111\u1ec1<\/h2>\n<h3>C\u00e1ch ch\u1ecdn polycarbonate cho nh\u00e0 k\u00ednh m\u00f9a \u0111\u00f4ng<\/h3>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/P0Wh2tj6yo8\" frameborder=\"0\" allow=\"autoplay; encrypted-media\" allowfullscreen><\/iframe><\/p>\n<h3>T\u1ea5t c\u1ea3 v\u1ec1 c\u00e1c v\u1eadt li\u1ec7u c\u1ee7a b\u00eca nh\u00e0 k\u00ednh \/ phim, polycarbonate, th\u1ee7y tinh<\/h3>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/8pmMnZZS6Gg\" frameborder=\"0\" allow=\"autoplay; encrypted-media\" allowfullscreen><\/iframe><\/p>\n<h3>T\u1ed5ng quan v\u1ec1 l\u1edbp ph\u1ee7 kh\u00e1ch s\u1ea1n: polycarbonate di \u0111\u1ed9ng, th\u1ee7y tinh v\u00e0 polycarbonate nguy\u00ean kh\u1ed1i.<\/h3>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/aRU3Ao63OlM\" frameborder=\"0\" allow=\"autoplay; encrypted-media\" allowfullscreen><\/iframe><\/p>\n<h3>Ch\u00fang t\u00f4i ch\u1ecdn polycarbonate cho nh\u00e0 k\u00ednh m\u00f9a \u0111\u00f4ng m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c. Trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p kh\u00f4ng th\u1ec3 \u0111\u1eb7t polycarbonate!<\/h3>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/hQB0NZ74n6Y\" frameborder=\"0\" allow=\"autoplay; encrypted-media\" allowfullscreen><\/iframe><\/p>\n<h3>Polycarbonate nguy\u00ean kh\u1ed1i trong gian h\u00e0ng cho c\u00e1c h\u1ed3 b\u01a1i t\u1eeb Euromarket<\/h3>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/5HwOOrGs8_c\" frameborder=\"0\" allow=\"autoplay; encrypted-media\" allowfullscreen><\/iframe><\/p>\n<h3>Th\u1ee7y tinh th\u1ee7y tinh ho\u1eb7c polycarbonate, \u1ea5m h\u01a1n ?<\/h3>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/3WP6IfDzaoM\" frameborder=\"0\" allow=\"autoplay; encrypted-media\" allowfullscreen><\/iframe><\/p>\n<h3>Polycarbonate t\u1ebf b\u00e0o \u0111a c\u1ea5p cho nh\u00e0 k\u00ednh. N\u00f3 \u0111\u00e1ng \u0111\u1ec3 \u00e1p d\u1ee5ng hay kh\u00f4ng? Minh b\u1ea1ch vs l\u00e0 \u1ea5m \u00e1p<\/h3>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/dK-TwX37Oks\" frameborder=\"0\" allow=\"autoplay; encrypted-media\" allowfullscreen><\/iframe><\/p>\n<h3>Polycarbonate t\u1ebf b\u00e0o cho nh\u00e0 k\u00ednh &#8211; C\u00e1ch ch\u1ecdn \u0111\u1ed9 d\u00e0y ph\u00f9 h\u1ee3p<\/h3>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/z65G3SWNwQ4\" frameborder=\"0\" allow=\"autoplay; encrypted-media\" allowfullscreen><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hi\u1ec3u \u0111\u01b0\u1ee3c \u0111\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u l\u1ee3p l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft cho c\u1ea3 s\u1ef1 tho\u1ea3i m\u00e1i v\u00e0 hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng. Ph\u1ed5 bi\u1ebfn trong x\u00e2y d\u1ef1ng \u0111\u01b0\u01a1ng \u0111\u1ea1i, polycarbonate c\u00f3 nh\u1eefng ph\u1ea9m ch\u1ea5t \u0111\u1eb7c bi\u1ec7t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1ch truy\u1ec1n nhi\u1ec7t qua n\u00f3. M\u1ed9t lo\u1ea1i nh\u1ef1a nhi\u1ec7t d\u1ebbo nh\u1eb9 v\u00e0 b\u1ec1n, polycarbonate l\u00e0 [&hellip;]<\/p>\n","protected":false},"author":51,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"class_list":["post-3178","post","type-post","status-publish","format-standard","","category-useful-tips"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u0110\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a polycarbonate<\/title>\n<meta name=\"description\" content=\"T\u00ecm hi\u1ec3u v\u1ec1 \u0111\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a polycarbonate, bao g\u1ed3m c\u00e1c t\u00ednh ch\u1ea5t, l\u1ee3i th\u1ebf v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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