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<\/p>\nB\u00ecnh \u0111\u1ef1ng n\u01b0\u1edbc b\u1eb1ng nh\u1ef1a hay kim lo\u1ea1i t\u1ed1t h\u01a1n?<\/p>\n
Trong nhi\u1ec1u b\u00ecnh \u0111\u1ef1ng n\u01b0\u1edbc b\u1eb1ng kim lo\u1ea1i, v\u1eadt li\u1ec7u th\u00e9p kh\u00f4ng g\u1ec9 chi\u1ebfm t\u1ef7 l\u1ec7 l\u1edbn nh\u1ea5t. Th\u00e9p kh\u00f4ng g\u1ec9 ch\u1ee9a r\u1ea5t nhi\u1ec1u kim lo\u1ea1i n\u1eb7ng, ch\u1eb3ng h\u1ea1n nh\u01b0 h\u00e0m l\u01b0\u1ee3ng crom ph\u1ea3i chi\u1ebfm h\u01a1n 10%. T\u1ea5t nhi\u00ean, th\u00e9p kh\u00f4ng g\u1ec9 l\u00e0 m\u1ed9t lo\u1ea1i kim lo\u1ea1i c\u00f3 t\u00ednh ch\u1ea5t \u1ed5n \u0111\u1ecbnh, nh\u01b0ng t\u00ednh \u1ed5n \u0111\u1ecbnh kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 n\u00f3 s\u1ebd kh\u00f4ng ph\u00e2n h\u1ee7y c\u00e1c ch\u1ea5t c\u00f3 h\u1ea1i trong b\u1ea5t k\u1ef3 \u0111i\u1ec1u ki\u1ec7n n\u00e0o, m\u00e0 l\u00e0 t\u01b0\u01a1ng \u0111\u1ed1i \u1ed5n \u0111\u1ecbnh. C\u00e1c lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 kh\u00e1c nhau c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t l\u1edbn. V\u00ed d\u1ee5, m\u1ed9t s\u1ed1 b\u00ecnh \u0111\u1ef1ng n\u01b0\u1edbc b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 tr\u00ean th\u1ecb tr\u01b0\u1eddng s\u1ebd chuy\u1ec3n sang m\u00e0u \u0111en sau m\u1ed9t th\u1eddi gian, v\u00e0 m\u1ed9t s\u1ed1 s\u1ebd s\u00e1ng v\u00e0 s\u1ea1ch nh\u01b0 m\u1edbi sau m\u1ed9t th\u1eddi gian d\u00e0i.<\/p>\n
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Hi\u1ec7n nay, v\u1eadt li\u1ec7u c\u1ee7a b\u00ecnh n\u01b0\u1edbc nh\u1ef1a tr\u00ean th\u1ecb tr\u01b0\u1eddng ch\u1ee7 y\u1ebfu bao g\u1ed3m PP, PC v\u00e0 tritan. Nh\u1ef1a kh\u00f4ng ch\u1ee9a kim lo\u1ea1i n\u1eb7ng, PP c\u0169ng l\u00e0 m\u1ed9t lo\u1ea1i nh\u1ef1a \u1ed5n \u0111\u1ecbnh h\u01a1n. Tuy nhi\u00ean, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u0169ng t\u01b0\u01a1ng \u0111\u1ed1i, v\u00e0 m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf ch\u1ea5t h\u1eefu c\u01a1 s\u1ebd b\u1ecb k\u1ebft t\u1ee7a trong m\u1ed9t s\u1ed1 \u0111i\u1ec1u ki\u1ec7n nh\u1ea5t \u0111\u1ecbnh. Trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u h\u1eefu c\u01a1 nh\u00e2n t\u1ea1o, con ng\u01b0\u1eddi \u0111\u00e3 t\u00ecm th\u1ea5y \u0111\u1ee7 lo\u1ea1i ch\u1ea5t c\u00f3 h\u1ea1i cho c\u01a1 th\u1ec3 con ng\u01b0\u1eddi ho\u1eb7c m\u00f4i tr\u01b0\u1eddng. Do \u0111\u00f3, v\u1eadt li\u1ec7u PP ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c n\u00f3i l\u00e0 t\u01b0\u01a1ng \u0111\u1ed1i an to\u00e0n trong ph\u1ea1m vi nh\u1eadn th\u1ee9c hi\u1ec7n t\u1ea1i.<\/p>\n
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Do con ng\u01b0\u1eddi theo \u0111u\u1ed5i ch\u1ea5t l\u01b0\u1ee3ng cu\u1ed9c s\u1ed1ng v\u00e0 s\u1ee9c kh\u1ecfe, c\u00e1c y\u00eau c\u1ea7u v\u1ec1 m\u00f4i tr\u01b0\u1eddng \u0111\u1ed1i v\u1edbi nguy\u00ean li\u1ec7u nh\u1ef1a c\u0169ng ng\u00e0y c\u00e0ng t\u0103ng. V\u00ed d\u1ee5, khi th\u1ee7y ph\u00e2n PC, BPA (bisphenol-A) \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t. Theo nghi\u00ean c\u1ee9u y h\u1ecdc hi\u1ec7n \u0111\u1ea1i, BPA v\u01b0\u1ee3t qu\u00e1 li\u1ec1u l\u01b0\u1ee3ng nh\u1ea5t \u0111\u1ecbnh c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi (k\u1ec3 c\u1ea3 \u0111\u1ed9ng v\u1eadt). N\u1ebfu h\u1ea5p th\u1ee5 m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf BPA trong th\u1eddi gian d\u00e0i, h\u1ec7 th\u1ed1ng n\u1ed9i ti\u1ebft s\u1ebd b\u1ecb r\u1ed1i lo\u1ea1n, r\u1ea5t c\u00f3 th\u1ec3 s\u1ebd g\u00e2y \u1ea3nh h\u01b0\u1edfng x\u1ea5u \u0111\u1ebfn h\u1ec7 th\u1ed1ng sinh s\u1ea3n v\u00e0 ph\u00e1 v\u1ee1 s\u1ef1 c\u00e2n b\u1eb1ng c\u1ee7a t\u1ef7 l\u1ec7 gi\u1edbi t\u00ednh. Do \u0111\u00f3, m\u1ed9t s\u1ed1 qu\u1ed1c gia v\u00e0 khu v\u1ef1c \u0111\u00e3 h\u1ea1n ch\u1ebf ho\u1eb7c c\u1ea5m PC. B\u1ed9 Y t\u1ebf v\u00e0 c\u00e1c s\u1edf ban ng\u00e0nh kh\u00e1c \u0111\u00e3 ban h\u00e0nh th\u00f4ng b\u00e1o n\u00f3i r\u1eb1ng bisphenol A \u0111\u00e3 b\u1ecb c\u1ea5m s\u1eed d\u1ee5ng trong b\u00ecnh s\u1eefa tr\u1ebb em k\u1ec3 t\u1eeb ng\u00e0y 1 th\u00e1ng 9 n\u0103m 2011. \u0110\u1ed1i m\u1eb7t v\u1edbi \u00e1p l\u1ef1c b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111ang t\u00ecm ki\u1ebfm v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 thay th\u1ebf PC. Eastman \u0111\u00e3 ph\u00e1t tri\u1ec3n m\u1ed9t th\u1ebf h\u1ec7 copolyester tritan m\u1edbi.<\/p>\n
Tritan kh\u00f4ng c\u00f3 th\u00e0nh ph\u1ea7n BPA trong qu\u00e1 tr\u00ecnh tr\u00f9ng h\u1ee3p v\u00e0 kh\u00f4ng gi\u1ea3i ph\u00f3ng BPA trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng.<\/p>\n
Trong s\u1ed1 c\u00e1c lo\u1ea1i b\u00ecnh \u0111\u1ef1ng n\u01b0\u1edbc l\u00e0m t\u1eeb nhi\u1ec1u lo\u1ea1i v\u1eadt li\u1ec7u nh\u00e2n t\u1ea1o, b\u00ecnh \u0111\u1ef1ng n\u01b0\u1edbc b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9, PP v\u00e0 tritan t\u01b0\u01a1ng \u0111\u1ed1i an to\u00e0n.<\/p>\n
![](\"\/wp-content\/uploads\/2024\/09\/20200805171510ec4d8f38c84c43939154c7e312342548.jpg\")
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<\/p>","protected":false},"excerpt":{"rendered":"
Is a plastic or metal water bottle better? In many metal water bottles, stainless steel material accounts for the largest proportion. Stainless steel contains a lot of heavy metals, such as chromium content should account for more than 10%. Of course, stainless steel is a kind of metal with stable properties, but stability does not […]<\/p>\n","protected":false},"author":0,"featured_media":722,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[3],"tags":[],"class_list":["post-725","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-info"],"acf":[],"yoast_head":"\n