{"id":2230,"date":"2026-09-27T10:57:10","date_gmt":"2026-09-27T03:57:10","guid":{"rendered":"https:\/\/cpc1.vn\/cellulose-acetat-phthalat-cap\/"},"modified":"2026-09-29T11:55:23","modified_gmt":"2026-09-29T04:55:23","slug":"cellulose-acetat-phthalat-cap","status":"publish","type":"post","link":"https:\/\/cpc1.vn\/en\/cellulose-acetat-phthalat-cap\/","title":{"rendered":"Cellulose acetat phthalat (CAP) \u2013 polyme bao tan trong ru\u1ed9t"},"content":{"rendered":"<h1 class=\"kt-tieu-de\">Cellulose acetat phthalat (CAP) \u2013 polyme bao tan trong ru\u1ed9t<\/h1>\n<p><strong>Cellulose acetat phthalat<\/strong> (CAP, cellacephat) l\u00e0 m\u1ed9t trong nh\u1eefng polyme <strong>bao tan trong ru\u1ed9t<\/strong> kinh \u0111i\u1ec3n: m\u00e0ng CAP ch\u1ecbu \u0111\u01b0\u1ee3c ti\u1ebfp x\u00fac l\u00e2u v\u1edbi d\u1ecbch v\u1ecb acid m\u1ea1nh nh\u01b0ng tan trong m\u00f4i tr\u01b0\u1eddng acid nh\u1eb9 ho\u1eb7c trung t\u00ednh c\u1ee7a ru\u1ed9t.<\/p>\n<h2>Th\u00f4ng tin nhanh<\/h2>\n<table>\n<tbody>\n<tr>\n<td>T\u00ean kh\u00e1c<\/td>\n<td>CAP, cellacephate, acetyl phthalyl cellulose, cellulose acetate hydrogen phthalate; Aquacoat CPD (d\u1ea1ng ph\u00e2n t\u00e1n n\u01b0\u1edbc)<\/td>\n<\/tr>\n<tr>\n<td>S\u1ed1 CAS<\/td>\n<td>9004-38-0<\/td>\n<\/tr>\n<tr>\n<td>C\u1ea5u t\u1ea1o<\/td>\n<td>S\u1ea3n ph\u1ea9m ph\u1ea3n \u1ee9ng c\u1ee7a anhydrid phthalic v\u1edbi ester acetat m\u1ed9t ph\u1ea7n c\u1ee7a cellulose: 21,5\u201326,0% nh\u00f3m acetyl v\u00e0 30,0\u201336,0% nh\u00f3m phthalyl (Ph.Eur., USP-NF). Kho\u1ea3ng m\u1ed9t n\u1eeda nh\u00f3m OH \u0111\u01b0\u1ee3c acetyl h\u00f3a, kho\u1ea3ng m\u1ed9t ph\u1ea7n t\u01b0 \u0111\u01b0\u1ee3c ester h\u00f3a v\u1edbi acid phthalic (c\u00f2n m\u1ed9t nh\u00f3m acid t\u1ef1 do)<\/td>\n<\/tr>\n<tr>\n<td>Nh\u00f3m ch\u1ee9c n\u0103ng<\/td>\n<td>T\u00e1 d\u01b0\u1ee3c bao<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u1ee8ng d\u1ee5ng trong b\u00e0o ch\u1ebf<\/h2>\n<ul>\n<li><strong>M\u00e0ng bao tan trong ru\u1ed9t<\/strong> cho vi\u00ean n\u00e9n, vi\u00ean nang; ho\u1eb7c t\u00e1 d\u01b0\u1ee3c d\u00ednh d\u1ea1ng c\u1ed1t.<\/li>\n<li>Bao b\u1eb1ng dung d\u1ecbch dung m\u00f4i h\u1eefu c\u01a1, h\u1ec7 n\u01b0\u1edbc, ho\u1eb7c d\u1eadp th\u1eb3ng; l\u01b0\u1ee3ng bao th\u01b0\u1eddng <strong>0,5\u20139,0% kh\u1ed1i l\u01b0\u1ee3ng nh\u00e2n<\/strong>.<\/li>\n<li>Th\u00eam ch\u1ea5t h\u00f3a d\u1ebbo gi\u00fap m\u00e0ng ch\u1ecbu n\u01b0\u1edbc t\u1ed1t h\u01a1n. T\u01b0\u01a1ng h\u1ee3p v\u1edbi nhi\u1ec1u ch\u1ea5t h\u00f3a d\u1ebbo: triacetin, diethyl phthalat, dimethyl phthalat, glycerin, propylen glycol, monoglycerid acetyl h\u00f3a, dibutyl tartrat\u2026 N\u00ean ch\u1ecdn ch\u1ea5t h\u00f3a d\u1ebbo d\u1ef1a tr\u00ean th\u1ef1c nghi\u1ec7m v\u00ec c\u00f9ng ch\u1ea5t h\u00f3a d\u1ebbo c\u00f3 th\u1ec3 cho k\u1ebft qu\u1ea3 kh\u00e1c tr\u00ean nh\u00e2n vi\u00ean kh\u00e1c.<\/li>\n<li>Ph\u1ed1i h\u1ee3p v\u1edbi ethylcellulose trong ch\u1ebf ph\u1ea9m gi\u1ea3i ph\u00f3ng c\u00f3 ki\u1ec3m so\u00e1t.<\/li>\n<li>C\u00f3 d\u1ea1ng b\u1ed9t latex t\u00e1i t\u1ea1o (h\u1ea1t d\u01b0\u1edbi micromet, trung b\u00ecnh kho\u1ea3ng 0,2 \u00b5m) cho h\u1ec7 bao ph\u00e2n t\u00e1n n\u01b0\u1edbc 10\u201330% ch\u1ea5t r\u1eafn.<\/li>\n<\/ul>\n<h2>M\u00f4 t\u1ea3 v\u00e0 t\u00ednh ch\u1ea5t<\/h2>\n<ul>\n<li>B\u1ed9t, h\u1ea1t ho\u1eb7c v\u1ea3y tr\u01a1n ch\u1ea3y, tr\u1eafng \u0111\u1ebfn tr\u1eafng ng\u00e0, h\u00fat \u1ea9m; kh\u00f4ng v\u1ecb, kh\u00f4ng m\u00f9i ho\u1eb7c tho\u1ea3ng m\u00f9i acid acetic.<\/li>\n<li>Nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y 192 \u00b0C; nhi\u1ec7t \u0111\u1ed9 h\u00f3a th\u1ee7y tinh 160\u2013170 \u00b0C; \u0111\u1ed9 \u1ea9m kho\u1ea3ng 2,2%.<\/li>\n<li>H\u1ea7u nh\u01b0 kh\u00f4ng tan trong n\u01b0\u1edbc, alcol, hydrocarbon (clo h\u00f3a v\u00e0 kh\u00f4ng clo h\u00f3a). Tan trong nhi\u1ec1u ceton, ester, ether alcol, ether v\u00f2ng; tan trong m\u1ed9t s\u1ed1 dung d\u1ecbch \u0111\u1ec7m t\u1eeb pH kho\u1ea3ng 6,0.<\/li>\n<li>Tan tr\u00ean 10% trong: aceton, methyl ethyl ceton, methyl acetat, dioxan, ethyl lactat\u2026; v\u00e0 c\u00e1c h\u1ed7n h\u1ee3p aceton:ethanol (1:1), aceton:n\u01b0\u1edbc (97:3), ethyl acetat:ethanol (1:1), methylen clorid:ethanol (3:1).<\/li>\n<li>Dung d\u1ecbch 15% trong aceton (\u0111\u1ed9 \u1ea9m 0,4%) c\u00f3 \u0111\u1ed9 nh\u1edbt 50\u201390 mPa\u00b7s \u2013 s\u00e1nh nh\u01b0 m\u1eadt ong, ph\u00f9 h\u1ee3p \u0111\u1ec3 bao.<\/li>\n<\/ul>\n<h2>\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 b\u1ea3o qu\u1ea3n<\/h2>\n<p>Trong \u0111i\u1ec1u ki\u1ec7n b\u1ea5t l\u1ee3i k\u00e9o d\u00e0i (nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 \u1ea9m cao), CAP th\u1ee7y ph\u00e2n ch\u1eadm \u2013 t\u0103ng acid t\u1ef1 do, t\u0103ng \u0111\u1ed9 nh\u1edbt, c\u00f3 m\u00f9i acid acetic. B\u1ec1n n\u1ebfu \u0111\u1ef1ng trong bao b\u00ec k\u00edn, n\u01a1i kh\u00f4 m\u00e1t; c\u1ea7n tr\u00e1nh h\u00fat \u1ea9m qu\u00e1 m\u1ee9c.<\/p>\n<h2>T\u01b0\u01a1ng k\u1ef5<\/h2>\n<ul>\n<li>S\u1eaft (II) sulfat, s\u1eaft (III) clorid, b\u1ea1c nitrat, natri citrat, nh\u00f4m sulfat, calci clorid, th\u1ee7y ng\u00e2n clorid, bari nitrat, ch\u00ec acetat base.<\/li>\n<li>Ch\u1ea5t oxy h\u00f3a m\u1ea1nh, ki\u1ec1m m\u1ea1nh v\u00e0 acid m\u1ea1nh.<\/li>\n<li>M\u00e0ng CAP th\u1ea5m m\u1ed9t s\u1ed1 ch\u1ea5t ion (kali iodid, amoni clorid) \u2013 c\u1ea7n l\u1edbp bao l\u00f3t c\u00e1ch ly.<\/li>\n<\/ul>\n<h2>M\u1eb9o pha ch\u1ebf<\/h2>\n<p>Lu\u00f4n cho CAP v\u00e0o dung m\u00f4i, kh\u00f4ng l\u00e0m ng\u01b0\u1ee3c l\u1ea1i. V\u1edbi h\u1ed7n h\u1ee3p dung m\u00f4i, h\u00f2a tan CAP trong dung m\u00f4i c\u00f3 kh\u1ea3 n\u0103ng h\u00f2a tan m\u1ea1nh h\u01a1n tr\u01b0\u1edbc, r\u1ed3i m\u1edbi th\u00eam dung m\u00f4i th\u1ee9 hai.<\/p>\n<h2>S\u1ea3n xu\u1ea5t<\/h2>\n<p>Cho ester acetat m\u1ed9t ph\u1ea7n c\u1ee7a cellulose ph\u1ea3n \u1ee9ng v\u1edbi anhydrid phthalic c\u00f3 m\u1eb7t base h\u1eefu c\u01a1 b\u1eadc ba (nh\u01b0 pyridin) ho\u1eb7c acid m\u1ea1nh (nh\u01b0 acid sulfuric).<\/p>\n<h2>An to\u00e0n v\u00e0 thao t\u00e1c<\/h2>\n<p>D\u00f9ng r\u1ed9ng r\u00e3i trong thu\u1ed1c u\u1ed1ng, \u0111\u01b0\u1ee3c xem l\u00e0 kh\u00f4ng \u0111\u1ed9c. Nghi\u00ean c\u1ee9u d\u00e0i h\u1ea1n: chu\u1ed9t \u0103n \u0111\u1ebfn 30% kh\u1ea9u ph\u1ea7n trong 1 n\u0103m kh\u00f4ng ch\u1eadm t\u0103ng tr\u01b0\u1edfng; ch\u00f3 \u0103n 16 g\/ng\u00e0y trong 1 n\u0103m v\u1eabn b\u00ecnh th\u01b0\u1eddng. C\u00f3 th\u1ec3 k\u00edch \u1ee9ng m\u1eaft, ni\u00eam m\u1ea1c, \u0111\u01b0\u1eddng h\u00f4 h\u1ea5p tr\u00ean \u2013 d\u00f9ng k\u00ednh, g\u0103ng tay, l\u00e0m vi\u1ec7c n\u01a1i th\u00f4ng gi\u00f3; c\u1ea7n m\u1eb7t n\u1ea1 khi thao t\u00e1c l\u01b0\u1ee3ng l\u1edbn.<\/p>\n<h2>T\u00ecnh tr\u1ea1ng ph\u00e1p l\u00fd<\/h2>\n<ul>\n<li>C\u00f3 trong FDA Inactive Ingredients Guide (vi\u00ean n\u00e9n u\u1ed1ng).<\/li>\n<li>C\u00f3 trong thu\u1ed1c kh\u00f4ng d\u00f9ng \u0111\u01b0\u1eddng ti\u00eam \u0111\u01b0\u1ee3c c\u1ea5p ph\u00e9p t\u1ea1i Anh; c\u00f3 trong danh m\u1ee5c t\u00e1 d\u01b0\u1ee3c \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn c\u1ee7a Canada.<\/li>\n<li>C\u00f3 chuy\u00ean lu\u1eadn trong JP, Ph.Eur. v\u00e0 USP-NF.<\/li>\n<\/ul>\n<p><strong>Ch\u1ea5t li\u00ean quan:<\/strong> cellulose acetat, hypromellose phthalat, polyvinyl acetat phthalat.<\/p>\n<h2>Ngu\u1ed3n tham kh\u1ea3o<\/h2>\n<p>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 <em>Cellulose Acetate Phthalate<\/em> trong: Rowe R.C., Sheskey P.J., Owen S.C. (ch\u1ee7 bi\u00ean). <em>Handbook of Pharmaceutical Excipients<\/em>, \u1ea5n b\u1ea3n 5. Pharmaceutical Press (London) &amp; 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<p><em>\u1ea2nh minh h\u1ecda: thi\u1ebft k\u1ebf c\u1ee7a CPC1.<\/em><\/p>\n<p><em>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>","protected":false},"excerpt":{"rendered":"<p>Cellulose acetat phthalat (CAP) \u2013 polyme bao tan trong ru\u1ed9t Cellulose acetat phthalat (CAP, cellacephat) l\u00e0 m\u1ed9t trong nh\u1eefng polyme bao tan trong ru\u1ed9t kinh \u0111i\u1ec3n: m\u00e0ng CAP ch\u1ecbu \u0111\u01b0\u1ee3c ti\u1ebfp x\u00fac l\u00e2u v\u1edbi d\u1ecbch v\u1ecb acid m\u1ea1nh nh\u01b0ng tan trong m\u00f4i tr\u01b0\u1eddng acid nh\u1eb9 ho\u1eb7c trung t\u00ednh c\u1ee7a ru\u1ed9t. Th\u00f4ng tin nhanh T\u00ean kh\u00e1c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2229,"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-2230","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\/cellulose-acetat-phthalat-cap.png",1200,675,false],"thumbnail":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/cellulose-acetat-phthalat-cap-150x150.png",150,150,true],"medium":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/cellulose-acetat-phthalat-cap-300x169.png",300,169,true],"medium_large":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/cellulose-acetat-phthalat-cap-768x432.png",768,432,true],"large":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/cellulose-acetat-phthalat-cap-1024x576.png",1024,576,true],"1536x1536":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/cellulose-acetat-phthalat-cap.png",1200,675,false],"2048x2048":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/cellulose-acetat-phthalat-cap.png",1200,675,false],"trp-custom-language-flag":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/cellulose-acetat-phthalat-cap-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":"Cellulose acetat phthalat (CAP) \u2013 polyme bao tan trong ru\u1ed9t Cellulose acetat phthalat (CAP, cellacephat) l\u00e0 m\u1ed9t trong nh\u1eefng polyme bao tan trong ru\u1ed9t kinh \u0111i\u1ec3n: m\u00e0ng CAP ch\u1ecbu \u0111\u01b0\u1ee3c ti\u1ebfp x\u00fac l\u00e2u v\u1edbi d\u1ecbch v\u1ecb acid m\u1ea1nh nh\u01b0ng tan trong m\u00f4i tr\u01b0\u1eddng acid nh\u1eb9 ho\u1eb7c trung t\u00ednh c\u1ee7a ru\u1ed9t. Th\u00f4ng tin nhanh T\u00ean kh\u00e1c&hellip;","_links":{"self":[{"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/posts\/2230","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=2230"}],"version-history":[{"count":2,"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/posts\/2230\/revisions"}],"predecessor-version":[{"id":3756,"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/posts\/2230\/revisions\/3756"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/media\/2229"}],"wp:attachment":[{"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/media?parent=2230"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/categories?post=2230"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/tags?post=2230"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}