{"id":117328,"date":"2022-06-28T10:01:13","date_gmt":"2022-06-28T02:01:13","guid":{"rendered":"https:\/\/www.alpapowder.com\/117328\/"},"modified":"2022-06-23T15:09:11","modified_gmt":"2022-06-23T07:09:11","slug":"3-cong-nghe-sua-doi-nhua-co-the-phan-huy-chinh","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/117328\/","title":{"rendered":"3 C\u00f4ng ngh\u1ec7 s\u1eeda \u0111\u1ed5i nh\u1ef1a c\u00f3 th\u1ec3 ph\u00e2n h\u1ee7y ch\u00ednh"},"content":{"rendered":"

\"\"<\/p>\n

Hi\u1ec7n nay, gi\u00e1 h\u1ea1t nh\u1ef1a kh\u00f3 ph\u00e2n h\u1ee7y t\u01b0\u01a1ng \u0111\u1ed1i cao v\u00e0 h\u1ea7u h\u1ebft c\u00e1c s\u1ea3n ph\u1ea9m nh\u1ef1a kh\u00f3 ph\u00e2n h\u1ee7y l\u00e0 nh\u1eefng v\u1eadt d\u1ee5ng th\u00f4ng th\u01b0\u1eddng h\u00e0ng ng\u00e0y, \u0111i\u1ec1u n\u00e0y s\u1ebd c\u1ea3n tr\u1edf nghi\u00eam tr\u1ecdng \u0111\u1ebfn vi\u1ec7c qu\u1ea3ng b\u00e1 v\u00e0 \u1ee9ng d\u1ee5ng s\u1ea3n ph\u1ea9m nh\u1ef1a kh\u00f3 ph\u00e2n h\u1ee7y tr\u00ean di\u1ec7n r\u1ed9ng. Vi\u1ec7c ph\u00e1t tri\u1ec3n c\u00e1c s\u1ea3n ph\u1ea9m nh\u1ef1a kh\u00f3 ph\u00e2n h\u1ee7y gi\u00e1 r\u1ebb l\u00e0 m\u1ed9t trong nh\u1eefng n\u1ed9i dung c\u1ed1t l\u00f5i c\u1ee7a vi\u1ec7c \u1ee9ng d\u1ee5ng nh\u1ef1a kh\u00f3 ph\u00e2n h\u1ee7y. Do \u0111\u00f3, tinh b\u1ed9t, canxi cacbonat, b\u1ed9t talc, v.v., kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t ph\u00e2n h\u1ee7y c\u1ee7a s\u1ea3n ph\u1ea9m v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c h\u1ea5p th\u1ee5 b\u1edfi m\u00f4i tr\u01b0\u1eddng, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u1ec7 th\u1ed1ng bi\u1ebfn t\u00ednh c\u1ee7a ch\u1ea5t d\u1ebbo ph\u00e2n h\u1ee7y. \u0110\u1eb7c bi\u1ec7t, c\u00f4ng ngh\u1ec7 chi\u1ebft r\u00f3t chi\u1ebfm t\u1ef7 tr\u1ecdng cao \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng c\u00f4ng ngh\u1ec7 quan tr\u1ecdng trong ph\u00e1t tri\u1ec3n s\u1ea3n ph\u1ea9m nh\u1ef1a kh\u00f3 ph\u00e2n h\u1ee7y.<\/p>\n

C\u00e1c k\u1ef9 thu\u1eadt s\u1eeda \u0111\u1ed5i ph\u1ed5 bi\u1ebfn trong qu\u00e1 tr\u00ecnh \u1ee9ng d\u1ee5ng c\u1ee7a ch\u1ea5t d\u1ebbo ph\u00e2n h\u1ee7y bao g\u1ed3m s\u1eeda \u0111\u1ed5i ch\u1ea5t l\u00e0m \u0111\u1ea7y, s\u1eeda \u0111\u1ed5i h\u1ee3p kim v\u00e0 s\u1eeda \u0111\u1ed5i \u0111\u1ed3ng tr\u00f9ng h\u1ee3p.<\/p>\n

1. S\u1eeda \u0111\u1ed5i \u0111i\u1ec1n<\/p>\n

S\u1eeda \u0111\u1ed5i chi\u1ebft r\u00f3t l\u00e0 th\u00eam c\u00e1c ch\u1ea5t ph\u1ee5 gia d\u1ea1ng b\u1ed9t kh\u00f4ng n\u00f3ng ch\u1ea3y v\u00e0o nh\u1ef1a d\u1ebbo d\u1ec5 ph\u00e2n h\u1ee7y, ch\u1ee7 y\u1ebfu bao g\u1ed3m tinh b\u1ed9t v\u00e0 b\u1ed9t v\u00f4 c\u01a1. M\u1ee5c \u0111\u00edch ch\u00ednh c\u1ee7a n\u00f3 l\u00e0 chu\u1ea9n b\u1ecb c\u00e1c v\u1eadt li\u1ec7u \u0111\u1eb7c bi\u1ec7t r\u1ebb ti\u1ec1n, v\u00e0 \u0111\u00f4i khi n\u00f3 c\u0169ng c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc nh\u01b0 \u0111\u1ed9 b\u1ec1n c\u1ee7a v\u1eadt li\u1ec7u \u0111\u1eb7c bi\u1ec7t.<\/p>\n

Ch\u1ea5t tr\u1ee3 \u0111\u1ed9n th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0 tinh b\u1ed9t. N\u00f3 l\u00e0 m\u1ed9t lo\u1ea1i polyme ph\u00e2n h\u1ee7y t\u1ef1 nhi\u00ean ph\u1ed5 bi\u1ebfn v\u1edbi nhi\u1ec1u ngu\u1ed3n kh\u00e1c nhau v\u00e0 gi\u00e1 th\u00e0nh r\u1ebb. C\u00e1c s\u1ea3n ph\u1ea9m suy tho\u00e1i l\u00e0 carbon dioxide v\u00e0 n\u01b0\u1edbc, kh\u00f4ng g\u00e2y \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng v\u00e0 n\u00f3 l\u00e0 m\u1ed9t ngu\u1ed3n t\u00e0i nguy\u00ean sinh kh\u1ed1i c\u00f3 th\u1ec3 t\u00e1i t\u1ea1o. \u0110i\u1ec1u quan tr\u1ecdng nh\u1ea5t c\u1ea7n ch\u00fa \u00fd trong c\u00f4ng ngh\u1ec7 chi\u1ebft r\u00f3t n\u00e0y l\u00e0 x\u1eed l\u00fd tinh b\u1ed9t, v\u00ec t\u00ednh t\u01b0\u01a1ng h\u1ee3p c\u1ee7a tinh b\u1ed9t v\u00e0 nh\u1ef1a ph\u00e2n hu\u1ef7 k\u00e9m, c\u1ea7n ph\u1ea3i ho\u00e1 d\u1ebbo tinh b\u1ed9t \u0111\u1ec3 tinh b\u1ed9t k\u1ebft h\u1ee3p t\u1ed1t h\u01a1n v\u1edbi ma tr\u1eadn d\u1ebbo.<\/p>\n

M\u1ed9t ch\u1ea5t h\u1ed7 tr\u1ee3 l\u1ea5p \u0111\u1ea7y kh\u00e1c l\u00e0 b\u1ed9t v\u00f4 c\u01a1 nh\u01b0 canxi cacbonat v\u00e0 b\u1ed9t talc. Ch\u00fang \u0111\u1ec1u l\u00e0 b\u1ed9t kho\u00e1ng t\u1ef1 nhi\u00ean, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c h\u1ea5p th\u1ee5 b\u1edfi t\u1ef1 nhi\u00ean sau khi tr\u1edf v\u1ec1 t\u1ef1 nhi\u00ean, v\u00ec v\u1eady ch\u00fang s\u1ebd kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t ph\u00e2n h\u1ee7y c\u1ee7a to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng nh\u1ef1a ph\u00e2n h\u1ee7y, nh\u01b0ng c\u00f3 th\u1ec3 gi\u1ea3m hi\u1ec7u qu\u1ea3 chi ph\u00ed c\u1ee7a v\u1eadt li\u1ec7u bi\u1ebfn \u0111\u1ed5i v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n c\u1ee7a v\u1eadt li\u1ec7u \u0111\u1ec3 m\u1ee9c \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh. Do \u0111\u00f3, ng\u01b0\u1eddi ta r\u1ea5t hay s\u1eed d\u1ee5ng canxi cacbonat v\u00e0 c\u00e1c ch\u1ea5t \u0111\u1ed9n kh\u00e1c trong c\u00e1c s\u1ea3n ph\u1ea9m kh\u00f4ng y\u00eau c\u1ea7u c\u01a1 t\u00ednh cao. C\u00f4ng ngh\u1ec7 chi\u1ebft r\u00f3t c\u1ea7n ch\u00fa \u00fd \u0111\u1ebfn vi\u1ec7c x\u1eed l\u00fd kh\u1edbp n\u1ed1i c\u1ee7a b\u1ec1 m\u1eb7t b\u1ed9t, \u0111i\u1ec1u n\u00e0y s\u1ebd \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u su\u1ea5t s\u1ea3n ph\u1ea9m v\u00e0 l\u01b0\u1ee3ng b\u1ed9t v\u00f4 c\u01a1 c\u00f3 th\u1ec3 th\u00eam v\u00e0o.<\/p>\n

2. S\u1eeda \u0111\u1ed5i h\u1ee3p kim<\/p>\n

\u0110i\u1ec1u ch\u1ec9nh h\u1ee3p kim l\u00e0 m\u1ed9t trong nh\u1eefng c\u00f4ng ngh\u1ec7 quan tr\u1ecdng nh\u1ea5t trong \u1ee9ng d\u1ee5ng \u0111i\u1ec1u ch\u1ec9nh nh\u1ef1a c\u00f3 th\u1ec3 ph\u00e2n h\u1ee7y. V\u1eadt li\u1ec7u h\u1ee3p kim d\u00f9ng \u0111\u1ec3 ch\u1ec9 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u \u0111\u1eb7c bi\u1ec7t bao g\u1ed3m hai ho\u1eb7c nhi\u1ec1u lo\u1ea1i nh\u1ef1a c\u00f3 th\u1ec3 ph\u00e2n h\u1ee7y kh\u00e1c nhau b\u1eb1ng c\u00e1ch tr\u1ed9n n\u00f3ng ch\u1ea3y v\u00e0 k\u1ebft h\u1ee3p, th\u01b0\u1eddng ch\u1ee9a m\u1ed9t th\u00e0nh ph\u1ea7n li\u00ean t\u1ee5c v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n ph\u00e2n t\u00e1n kh\u00e1c. M\u1ed9t s\u1ed1 t\u00ednh ch\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u th\u1ec3 hi\u1ec7n t\u00ednh ch\u1ea5t pha li\u00ean t\u1ee5c v\u00e0 m\u1ed9t s\u1ed1 t\u00ednh ch\u1ea5t th\u1ec3 hi\u1ec7n t\u00ednh ch\u1ea5t pha ph\u00e2n t\u00e1n. Do \u0111\u00f3, c\u00f3 th\u1ec3 thu \u0111\u01b0\u1ee3c c\u00e1c v\u1eadt li\u1ec7u \u0111\u1eb7c bi\u1ec7t m\u1edbi t\u1eadp trung c\u00e1c \u01b0u \u0111i\u1ec3m c\u1ee7a m\u1ed9t s\u1ed1 lo\u1ea1i nh\u1ef1a d\u1ec5 ph\u00e2n h\u1ee7y, c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a nhi\u1ec1u s\u1ea3n ph\u1ea9m h\u01a1n.<\/p>\n

3. S\u1eeda \u0111\u1ed5i \u0111\u1ed3ng tr\u00f9ng h\u1ee3p<\/p>\n

\u0110i\u1ec1u ch\u1ec9nh \u0111\u1ed3ng tr\u00f9ng h\u1ee3p l\u00e0 vi\u1ec7c \u0111\u01b0a c\u00e1c \u0111\u01a1n v\u1ecb c\u1ea5u tr\u00fac kh\u00e1c v\u00e0o chu\u1ed7i ph\u00e2n t\u1eed c\u1ee7a polyme \u0111\u1ec3 thay \u0111\u1ed5i c\u1ea5u tr\u00fac h\u00f3a h\u1ecdc c\u1ee7a polyme v\u00e0 th\u1ef1c hi\u1ec7n s\u1ef1 bi\u1ebfn \u0111\u1ed5i c\u1ee7a v\u1eadt li\u1ec7u. V\u00ed d\u1ee5, PLA l\u00e0 m\u1ed9t polyme k\u1ef5 n\u01b0\u1edbc, h\u1ea1n ch\u1ebf \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 trong m\u1ed9t s\u1ed1 l\u0129nh v\u1ef1c (ch\u1eb3ng h\u1ea1n nh\u01b0 ch\u1ea5t v\u1eadn chuy\u1ec3n thu\u1ed1c). M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7u qu\u1ea3 l\u00e0 s\u1eed d\u1ee5ng lactide \u0111\u1ec3 \u0111\u1ed3ng tr\u00f9ng h\u1ee3p v\u1edbi c\u00e1c polyme \u01b0a n\u01b0\u1edbc (nh\u01b0 polyetylen glycol, axit polyglycolic, polyetylen oxit) \u0111\u1ec3 \u0111\u01b0a c\u00e1c nh\u00f3m ho\u1eb7c kh\u1ed1i \u01b0a n\u01b0\u1edbc v\u00e0o ph\u00e2n t\u1eed PLA. V\u00ed d\u1ee5, v\u1eadt li\u1ec7u gi\u1ea3i ph\u00f3ng b\u1ec1n v\u1eefng PLA-PEG-PLA \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf b\u1eb1ng c\u00e1ch tr\u00f9ng h\u1ee3p m\u1edf v\u00f2ng c\u1ee7a polyetylen glycol v\u00e0 lactide, gi\u00fap c\u1ea3i thi\u1ec7n t\u00ednh \u01b0a n\u01b0\u1edbc v\u00e0 t\u1ed1c \u0111\u1ed9 ph\u00e2n h\u1ee7y c\u1ee7a v\u1eadt li\u1ec7u PLA v\u00e0 PLA-PEG-PLA \u0111\u00e3 chu\u1ea9n b\u1ecb c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh ch\u1ea5t b\u1ec1n v\u1eefng -l\u00e0m \u01a1n v\u1eadt li\u1ec7u. Ch\u1ea5t li\u1ec7u c\u1ee7a vi c\u1ea7u n\u1ea1p thu\u1ed1c.<\/p>\n

PHBV c\u00f3 nhi\u1ec1u \u0111\u1eb7c t\u00ednh tuy\u1ec7t v\u1eddi nh\u01b0 t\u00ednh t\u01b0\u01a1ng h\u1ee3p sinh h\u1ecdc v\u00e0 ho\u1ea1t t\u00ednh quang h\u1ecdc, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i, nh\u01b0ng s\u1ea3n ph\u1ea9m c\u1ee7a n\u00f3 r\u1ea5t c\u1ee9ng v\u00e0 gi\u00f2n, kh\u00f3 gia c\u00f4ng. Ph\u01b0\u01a1ng ph\u00e1p s\u1eeda \u0111\u1ed5i \u0111o\u1ea1n gh\u00e9p c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u01b0a nh\u00f3m ch\u1ee9c ph\u00e2n c\u1ef1c polyvinylpyrolidon (PVP) v\u00e0o chu\u1ed7i ch\u00ednh c\u1ee7a PHBV \u0111\u1ec3 t\u1ed5ng h\u1ee3p \u0111\u1ed3ng tr\u00f9ng h\u1ee3p gh\u00e9p PHBV-g-PVP c\u1ee7a PHBV v\u00e0 PVP. T\u1ed1c \u0111\u1ed9 k\u1ebft tinh v\u00e0 \u0111\u1ed9 k\u1ebft tinh c\u1ee7a ch\u1ea5t \u0111\u1ed3ng tr\u00f9ng h\u1ee3p gi\u1ea3m, t\u00ednh \u01b0a n\u01b0\u1edbc c\u1ee7a m\u00e0ng t\u0103ng l\u00ean v\u00e0 t\u1ed1c \u0111\u1ed9 gi\u1ea3i ph\u00f3ng d\u01b0\u1ee3c ch\u1ea5t b\u1ec1n v\u1eefng t\u0103ng l\u00ean.<\/p>\n","protected":false},"excerpt":{"rendered":"

Hi\u1ec7n nay, gi\u00e1 h\u1ea1t nh\u1ef1a kh\u00f3 ph\u00e2n h\u1ee7y t\u01b0\u01a1ng \u0111\u1ed1i cao v\u00e0 h\u1ea7u h\u1ebft c\u00e1c s\u1ea3n ph\u1ea9m nh\u1ef1a kh\u00f3 ph\u00e2n h\u1ee7y l\u00e0 nh\u1eefng v\u1eadt d\u1ee5ng th\u00f4ng th\u01b0\u1eddng h\u00e0ng ng\u00e0y, \u0111i\u1ec1u n\u00e0y s\u1ebd c\u1ea3n tr\u1edf nghi\u00eam tr\u1ecdng \u0111\u1ebfn vi\u1ec7c qu\u1ea3ng b\u00e1 v\u00e0 \u1ee9ng d\u1ee5ng s\u1ea3n ph\u1ea9m nh\u1ef1a kh\u00f3 ph\u00e2n h\u1ee7y tr\u00ean di\u1ec7n r\u1ed9ng.<\/p>\n","protected":false},"author":7,"featured_media":117291,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-117328","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghiep-tin-tuc-vi"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/117328","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=117328"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/117328\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/117291"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=117328"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=117328"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=117328"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}