{"id":2334,"date":"2026-09-27T11:26:48","date_gmt":"2026-09-27T04:26:48","guid":{"rendered":"https:\/\/cpc1.vn\/ethylen-vinyl-acetat-eva\/"},"modified":"2026-09-29T12:01:34","modified_gmt":"2026-09-29T05:01:34","slug":"ethylen-vinyl-acetat-eva","status":"publish","type":"post","link":"https:\/\/cpc1.vn\/en\/ethylen-vinyl-acetat-eva\/","title":{"rendered":"Ethylen vinyl acetat (EVA) \u2013 m\u00e0ng ki\u1ec3m so\u00e1t gi\u1ea3i ph\u00f3ng cho mi\u1ebfng d\u00e1n"},"content":{"rendered":"

Ethylen vinyl acetat (EVA) \u2013 m\u00e0ng ki\u1ec3m so\u00e1t gi\u1ea3i ph\u00f3ng cho mi\u1ebfng d\u00e1n<\/h1>\n

Ethylen vinyl acetat<\/strong> (EVA) l\u00e0 copolyme ng\u1eabu nhi\u00ean c\u1ee7a ethylen v\u00e0 vinyl acetat. Trong d\u01b0\u1ee3c ph\u1ea9m, EVA \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m m\u00e0ng ki\u1ec3m so\u00e1t t\u1ed1c \u0111\u1ed9<\/strong> v\u00e0 l\u1edbp l\u00f3t (backing)<\/strong> trong mi\u1ebfng d\u00e1n qua da nhi\u1ec1u l\u1edbp, c\u0169ng nh\u01b0 l\u00e0m c\u1ed1t gi\u1ea3i ph\u00f3ng c\u00f3 ki\u1ec3m so\u00e1t.<\/p>\n

Th\u00f4ng tin nhanh<\/h2>\n\n\n\n\n\n\n
T\u00ean kh\u00e1c<\/td>\nEVA, EVM, poly(ethylene-co-vinyl acetate), vinyl acetate\/ethylene copolymer; CoTran (m\u00e0ng)<\/td>\n<\/tr>\n
S\u1ed1 CAS<\/td>\n24937-78-8<\/td>\n<\/tr>\n
C\u00f4ng th\u1ee9c<\/td>\n(CH2<\/sub>CH2<\/sub>)x<\/sub>[CH2<\/sub>CH(OCOCH3<\/sub>)]y<\/sub><\/td>\n<\/tr>\n
Nh\u00f3m ch\u1ee9c n\u0103ng<\/td>\nM\u00e0ng; l\u1edbp l\u00f3t mi\u1ebfng d\u00e1n qua da<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u1ee8ng d\u1ee5ng<\/h2>\n
    \n
  • M\u00e0ng v\u00e0 l\u1edbp l\u00f3t trong h\u1ec7 tr\u1ecb li\u1ec7u qua da d\u1ea1ng nhi\u1ec1u l\u1edbp; th\u00e0nh ph\u1ea7n c\u1ee7a l\u1edbp l\u00f3t.<\/li>\n
  • C\u1ed1t v\u00e0 m\u00e0ng gi\u1ea3i ph\u00f3ng c\u00f3 ki\u1ec3m so\u00e1t \u2013 \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh v\u1edbi atenolol, triprolidin, furosemid; c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh th\u00eam b\u1eb1ng ch\u1ea5t h\u00f3a d\u1ebbo.<\/li>\n
  • C\u00f3 trong vi\u00ean \u0111\u1eb7t t\u1eed cung, ch\u1ebf ph\u1ea9m nh\u1ecf m\u1eaft (h\u1ec7 c\u1ea5y), m\u00e0ng nha chu.<\/li>\n
  • Nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p.<\/li>\n<\/ul>\n

    H\u00e0m l\u01b0\u1ee3ng vinyl acetat quy\u1ebft \u0111\u1ecbnh t\u00ednh ch\u1ea5t<\/h2>\n

    T\u0103ng t\u1ef7 l\u1ec7 vinyl acetat \u2192 t\u0103ng t\u00ednh th\u00e2n d\u1ea7u, t\u0103ng t\u00ednh th\u1ea5m oxy v\u00e0 h\u01a1i n\u01b0\u1edbc, trong h\u01a1n, d\u1ebbo v\u00e0 dai h\u01a1n, tan trong dung m\u00f4i t\u1ed1t h\u01a1n. V\u00ed d\u1ee5 m\u00e0ng CoTran 9706 (kho\u1ea3ng 101,6 \u00b5m) truy\u1ec1n h\u01a1i \u1ea9m kho\u1ea3ng 26 g\/m\u00b2\/24 gi\u1edd, trong khi lo\u1ea1i c\u00f3 vinyl acetat cao h\u01a1n truy\u1ec1n 49\u201365 g\/m\u00b2\/24 gi\u1edd.<\/p>\n

    M\u00f4 t\u1ea3 v\u00e0 t\u00ednh ch\u1ea5t<\/h2>\n
      \n
    • Ch\u1ea5t r\u1eafn s\u00e1p tr\u1eafng d\u1ea1ng vi\u00ean ho\u1eb7c b\u1ed9t; m\u00e0ng trong m\u1edd.<\/li>\n
    • T\u1ef7 tr\u1ecdng 0,92\u20130,94 g\/cm\u00b3; n\u00f3ng ch\u1ea3y 75\u2013102 \u00b0C t\u00f9y t\u1ef7 l\u1ec7 monome; \u0111i\u1ec3m ch\u1edbp ch\u00e1y 260 \u00b0C.<\/li>\n<\/ul>\n

      \u0110\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 b\u1ea3o qu\u1ea3n<\/h2>\n

      B\u1ec1n trong \u0111i\u1ec1u ki\u1ec7n th\u01b0\u1eddng; b\u1ea3o qu\u1ea3n n\u01a1i kh\u00f4 m\u00e1t. M\u00e0ng EVA b\u1ea3o qu\u1ea3n \u1edf 0\u201330 \u00b0C, \u0111\u1ed9 \u1ea9m d\u01b0\u1edbi 75%.<\/p>\n

      S\u1ea3n xu\u1ea5t<\/h2>\n

      Tr\u00f9ng h\u1ee3p g\u1ed1c t\u1ef1 do \u00e1p su\u1ea5t cao, tr\u00f9ng h\u1ee3p kh\u1ed1i li\u00ean t\u1ee5c ho\u1eb7c tr\u00f9ng h\u1ee3p dung d\u1ecbch \u0111\u1ec3 \u0111\u01b0\u1ee3c EVA v\u1edbi KLPT kh\u00e1c nhau.<\/p>\n

      An to\u00e0n v\u00e0 thao t\u00e1c<\/h2>\n

      D\u00f9ng ch\u1ee7 y\u1ebfu ngo\u00e0i da d\u01b0\u1edbi d\u1ea1ng m\u00e0ng ho\u1eb7c l\u1edbp l\u00f3t, \u0111\u01b0\u1ee3c xem l\u00e0 t\u01b0\u01a1ng \u0111\u1ed1i kh\u00f4ng \u0111\u1ed9c, kh\u00f4ng k\u00edch \u1ee9ng. B\u1ed9t EVA c\u00f3 th\u1ec3 t\u1ea1o h\u1ed7n h\u1ee3p n\u1ed5 v\u1edbi kh\u00f4ng kh\u00ed.<\/p>\n

      T\u00ecnh tr\u1ea1ng ph\u00e1p l\u00fd<\/h2>\n
        \n
      • C\u00f3 trong FDA Inactive Ingredients Guide (vi\u00ean \u0111\u1eb7t t\u1eed cung; ch\u1ebf ph\u1ea9m nh\u1ecf m\u1eaft; m\u00e0ng nha chu; m\u00e0ng qua da).<\/li>\n
      • C\u00f3 trong thu\u1ed1c kh\u00f4ng d\u00f9ng \u0111\u01b0\u1eddng ti\u00eam \u0111\u01b0\u1ee3c c\u1ea5p ph\u00e9p t\u1ea1i Anh.<\/li>\n<\/ul>\n

        Ch\u1ea5t li\u00ean quan:<\/strong> polyvinyl acetat, polyethylen.<\/p>\n

        Ngu\u1ed3n tham kh\u1ea3o<\/h2>\n

        N\u1ed9i dung \u0111\u01b0\u1ee3c CPC1 bi\u00ean so\u1ea1n, t\u00f3m l\u01b0\u1ee3c c\u00f3 ch\u1ecdn l\u1ecdc t\u1eeb chuy\u00ean lu\u1eadn Ethylene Vinyl Acetate<\/em> trong: Rowe R.C., Sheskey P.J., Owen S.C. (ch\u1ee7 bi\u00ean). Handbook of Pharmaceutical Excipients<\/em>, \u1ea5n b\u1ea3n 5. Pharmaceutical Press (London) & American Pharmacists Association (Washington DC), 2006. B\u00e0i vi\u1ebft kh\u00f4ng sao ch\u00e9p nguy\u00ean v\u0103n t\u00e0i li\u1ec7u g\u1ed1c; c\u00e1c s\u1ed1 li\u1ec7u k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c d\u1eabn l\u1ea1i t\u1eeb t\u00e0i li\u1ec7u n\u00e0y.<\/p>\n

        \u1ea2nh minh h\u1ecda: thi\u1ebft k\u1ebf c\u1ee7a CPC1.<\/em><\/p>\n

        L\u01b0u \u00fd: th\u00f4ng tin mang t\u00ednh tham kh\u1ea3o cho ng\u01b0\u1eddi l\u00e0m chuy\u00ean m\u00f4n b\u00e0o ch\u1ebf, d\u1ef1a tr\u00ean \u1ea5n b\u1ea3n n\u0103m 2006. Ti\u00eau chu\u1ea9n ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 t\u00ecnh tr\u1ea1ng ph\u00e1p l\u00fd c\u00f3 th\u1ec3 \u0111\u00e3 thay \u0111\u1ed5i \u2014 lu\u00f4n \u0111\u1ed1i chi\u1ebfu d\u01b0\u1ee3c \u0111i\u1ec3n v\u00e0 quy \u0111\u1ecbnh hi\u1ec7n h\u00e0nh tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

        Ethylen vinyl acetat (EVA) \u2013 m\u00e0ng ki\u1ec3m so\u00e1t gi\u1ea3i ph\u00f3ng cho mi\u1ebfng d\u00e1n Ethylen vinyl acetat (EVA) l\u00e0 copolyme ng\u1eabu nhi\u00ean c\u1ee7a ethylen v\u00e0 vinyl acetat. Trong d\u01b0\u1ee3c ph\u1ea9m, EVA \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m m\u00e0ng ki\u1ec3m so\u00e1t t\u1ed1c \u0111\u1ed9 v\u00e0 l\u1edbp l\u00f3t (backing) trong mi\u1ebfng d\u00e1n qua da nhi\u1ec1u l\u1edbp, c\u0169ng nh\u01b0 l\u00e0m c\u1ed1t gi\u1ea3i ph\u00f3ng […]<\/p>\n","protected":false},"author":1,"featured_media":2333,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","footnotes":""},"categories":[122],"tags":[],"class_list":["post-2334","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ta-duoc"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":8}},"acf":[],"uagb_featured_image_src":{"full":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/ethylen-vinyl-acetat-eva.png",1200,675,false],"thumbnail":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/ethylen-vinyl-acetat-eva-150x150.png",150,150,true],"medium":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/ethylen-vinyl-acetat-eva-300x169.png",300,169,true],"medium_large":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/ethylen-vinyl-acetat-eva-768x432.png",768,432,true],"large":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/ethylen-vinyl-acetat-eva-1024x576.png",1024,576,true],"1536x1536":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/ethylen-vinyl-acetat-eva.png",1200,675,false],"2048x2048":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/ethylen-vinyl-acetat-eva.png",1200,675,false],"trp-custom-language-flag":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/ethylen-vinyl-acetat-eva-18x10.png",18,10,true]},"uagb_author_info":{"display_name":"cpc1vn","author_link":"https:\/\/cpc1.vn\/en\/author\/cpc1vn\/"},"uagb_comment_info":0,"uagb_excerpt":"Ethylen vinyl acetat (EVA) \u2013 m\u00e0ng ki\u1ec3m so\u00e1t gi\u1ea3i ph\u00f3ng cho mi\u1ebfng d\u00e1n Ethylen vinyl acetat (EVA) l\u00e0 copolyme ng\u1eabu nhi\u00ean c\u1ee7a ethylen v\u00e0 vinyl acetat. Trong d\u01b0\u1ee3c ph\u1ea9m, EVA \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m m\u00e0ng ki\u1ec3m so\u00e1t t\u1ed1c \u0111\u1ed9 v\u00e0 l\u1edbp l\u00f3t (backing) trong mi\u1ebfng d\u00e1n qua da nhi\u1ec1u l\u1edbp, c\u0169ng nh\u01b0 l\u00e0m c\u1ed1t gi\u1ea3i ph\u00f3ng…","_links":{"self":[{"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/posts\/2334","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/comments?post=2334"}],"version-history":[{"count":2,"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/posts\/2334\/revisions"}],"predecessor-version":[{"id":3821,"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/posts\/2334\/revisions\/3821"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/media\/2333"}],"wp:attachment":[{"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/media?parent=2334"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/categories?post=2334"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/tags?post=2334"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}