{"id":10671,"date":"2026-09-25T10:18:02","date_gmt":"2026-09-25T03:18:02","guid":{"rendered":"https:\/\/pcecatlam.vn\/?p=10671"},"modified":"2026-09-25T10:18:04","modified_gmt":"2026-09-25T03:18:04","slug":"hpmc-va-hemc-khac-nhau-the-nao","status":"publish","type":"post","link":"https:\/\/pcecatlam.vn\/en\/hpmc-va-hemc-khac-nhau-the-nao\/","title":{"rendered":"HPMC v\u00e0 HEMC kh\u00e1c nhau th\u1ebf n\u00e0o trong v\u1eefa kh\u00f4 tr\u1ed9n s\u1eb5n?"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Hai lo\u1ea1i ete cellulose ph\u1ed5 bi\u1ebfn nh\u1ea5t trong v\u1eefa kh\u00f4<\/h2>\n\n\n\n<p>HPMC (Hydroxypropyl Methyl Cellulose) v\u00e0 HEMC (Hydroxyethyl Methyl Cellulose, c\u00f2n g\u1ecdi l\u00e0 MHEC) \u0111\u1ec1u l\u00e0 ete cellulose kh\u00f4ng ion. C\u1ea3 hai c\u00f3 c\u00f9ng ch\u1ee9c n\u0103ng ch\u00ednh: gi\u1eef n\u01b0\u1edbc, t\u1ea1o \u0111\u1eb7c, t\u0103ng th\u1eddi gian m\u1edf v\u00e0 c\u1ea3i thi\u1ec7n t\u00ednh thi c\u00f4ng.<\/p>\n\n\n\n<p>\u0110i\u1ec3m kh\u00e1c nhau n\u1eb1m \u1edf nh\u00f3m th\u1ebf g\u1eafn v\u00e0o m\u1ea1ch cellulose:<\/p>\n\n\n\n<ul>\n<li>HPMC mang nh\u00f3m <strong>hydroxypropyl<\/strong>.<\/li>\n\n\n\n<li>HEMC mang nh\u00f3m <strong>hydroxyethyl<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p>Kh\u00e1c bi\u1ec7t nh\u1ecf v\u1ec1 c\u1ea5u tr\u00fac n\u00e0y d\u1eabn \u0111\u1ebfn kh\u00e1c bi\u1ec7t \u0111\u00e1ng k\u1ec3 khi thi c\u00f4ng th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"580\" src=\"https:\/\/pcecatlam.vn\/wp-content\/uploads\/2026\/09\/homc-va-hemc-1024x580.png\" alt=\"\" class=\"wp-image-10672\" srcset=\"https:\/\/pcecatlam.vn\/wp-content\/uploads\/2026\/09\/homc-va-hemc-1024x580.png 1024w, https:\/\/pcecatlam.vn\/wp-content\/uploads\/2026\/09\/homc-va-hemc-300x170.png 300w, https:\/\/pcecatlam.vn\/wp-content\/uploads\/2026\/09\/homc-va-hemc-768x435.png 768w, https:\/\/pcecatlam.vn\/wp-content\/uploads\/2026\/09\/homc-va-hemc-1536x870.png 1536w, https:\/\/pcecatlam.vn\/wp-content\/uploads\/2026\/09\/homc-va-hemc-18x10.png 18w, https:\/\/pcecatlam.vn\/wp-content\/uploads\/2026\/09\/homc-va-hemc-1170x663.png 1170w, https:\/\/pcecatlam.vn\/wp-content\/uploads\/2026\/09\/homc-va-hemc-600x340.png 600w, https:\/\/pcecatlam.vn\/wp-content\/uploads\/2026\/09\/homc-va-hemc.png 1666w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">So s\u00e1nh HPMC v\u00e0 HEMC<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><td><strong>Ti\u00eau ch\u00ed<\/strong><\/td><td><strong>HPMC<\/strong><\/td><td><strong>HEMC<\/strong><\/td><\/tr><\/thead><tbody><tr><td>Nh\u00f3m th\u1ebf<\/td><td>Hydroxypropyl + methyl<\/td><td>Hydroxyethyl + methyl<\/td><\/tr><tr><td>Nhi\u1ec7t \u0111\u1ed9 t\u1ea1o gel<\/td><td>Th\u01b0\u1eddng 60 &#8211; 75\u00b0C (m\u1ed9t s\u1ed1 m\u00e3 bi\u1ebfn t\u00ednh cao h\u01a1n)<\/td><td>Th\u01b0\u1eddng cao h\u01a1n, kho\u1ea3ng 75\u00b0C tr\u1edf l\u00ean<\/td><\/tr><tr><td>Gi\u1eef n\u01b0\u1edbc khi nhi\u1ec7t \u0111\u1ed9 cao<\/td><td>T\u1ed1t, gi\u1ea3m d\u1ea7n khi g\u1ea7n nhi\u1ec7t \u0111\u1ed9 gel<\/td><td>\u1ed4n \u0111\u1ecbnh h\u01a1n \u1edf nhi\u1ec7t \u0111\u1ed9 cao<\/td><\/tr><tr><td>Gi\u00e1 th\u00e0nh<\/td><td>Th\u01b0\u1eddng th\u1ea5p h\u01a1n<\/td><td>Th\u01b0\u1eddng cao h\u01a1n<\/td><\/tr><tr><td>\u1ee8ng d\u1ee5ng ph\u1ed5 bi\u1ebfn<\/td><td>B\u1ed9t tr\u00e9t, v\u1eefa tr\u00e1t, keo d\u00e1n g\u1ea1ch th\u00f4ng d\u1ee5ng<\/td><td>Keo d\u00e1n g\u1ea1ch cao c\u1ea5p, v\u1eefa thi c\u00f4ng ngo\u00e0i tr\u1eddi n\u1eafng n\u00f3ng<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">V\u00ec sao nhi\u1ec7t \u0111\u1ed9 gel quan tr\u1ecdng?<\/h2>\n\n\n\n<p>Khi nhi\u1ec7t \u0111\u1ed9 v\u01b0\u1ee3t ng\u01b0\u1ee1ng t\u1ea1o gel, ete cellulose k\u1ebft t\u1ee7a kh\u1ecfi dung d\u1ecbch. L\u00fac \u0111\u00f3 \u0111\u1ed9 nh\u1edbt v\u00e0 kh\u1ea3 n\u0103ng gi\u1eef n\u01b0\u1edbc gi\u1ea3m m\u1ea1nh.<\/p>\n\n\n\n<p>\u1ede Vi\u1ec7t Nam, t\u01b0\u1eddng ngo\u00e0i tr\u1eddi v\u00e0 m\u00e1i c\u00f3 th\u1ec3 n\u00f3ng l\u00ean r\u1ea5t cao v\u00e0o bu\u1ed5i tr\u01b0a. N\u1ebfu nhi\u1ec7t \u0111\u1ed9 gel c\u1ee7a ph\u1ee5 gia th\u1ea5p, l\u1edbp v\u1eefa ho\u1eb7c keo ti\u1ebfp x\u00fac v\u1edbi n\u1ec1n n\u00f3ng s\u1ebd nhanh m\u1ea5t n\u01b0\u1edbc. K\u1ebft qu\u1ea3 l\u00e0 gi\u1ea3m b\u00e1m d\u00ednh v\u00e0 d\u1ec5 bong g\u1ea1ch.<\/p>\n\n\n\n<p>HEMC c\u00f3 nhi\u1ec7t \u0111\u1ed9 gel cao h\u01a1n n\u00ean gi\u1eef n\u01b0\u1edbc \u1ed5n \u0111\u1ecbnh h\u01a1n trong \u0111i\u1ec1u ki\u1ec7n n\u00e0y. \u0110\u00e2y l\u00e0 l\u00fd do HEMC cho keo d\u00e1n g\u1ea1ch cao c\u1ea5p \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng \u1edf v\u00f9ng kh\u00ed h\u1eadu n\u00f3ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Khi n\u00e0o ch\u1ecdn HPMC, khi n\u00e0o ch\u1ecdn HEMC?<\/h2>\n\n\n\n<p><strong>N\u00ean ch\u1ecdn HPMC khi:<\/strong><\/p>\n\n\n\n<ul>\n<li>S\u1ea3n xu\u1ea5t b\u1ed9t tr\u00e9t, b\u1ed9t b\u1ea3 t\u01b0\u1eddng n\u1ed9i th\u1ea5t, v\u1eefa tr\u00e1t, v\u1eefa x\u00e2y.<\/li>\n\n\n\n<li>C\u1ea7n t\u1ed1i \u01b0u gi\u00e1 th\u00e0nh cho keo d\u00e1n g\u1ea1ch th\u00f4ng d\u1ee5ng (C1).<\/li>\n\n\n\n<li>Thi c\u00f4ng ch\u1ee7 y\u1ebfu trong nh\u00e0, \u00edt ch\u1ecbu nhi\u1ec7t tr\u1ef1c ti\u1ebfp.<\/li>\n<\/ul>\n\n\n\n<p><strong>N\u00ean ch\u1ecdn HEMC khi:<\/strong><\/p>\n\n\n\n<ul>\n<li>S\u1ea3n xu\u1ea5t keo d\u00e1n g\u1ea1ch cao c\u1ea5p (C2, C2TE) ho\u1eb7c keo cho g\u1ea1ch kh\u1ed5 l\u1edbn.<\/li>\n\n\n\n<li>S\u1ea3n ph\u1ea9m thi c\u00f4ng ngo\u00e0i tr\u1eddi, m\u1eb7t ti\u1ec1n, n\u01a1i n\u1eafng n\u00f3ng.<\/li>\n\n\n\n<li>C\u1ea7n th\u1eddi gian m\u1edf d\u00e0i v\u00e0 \u1ed5n \u0111\u1ecbnh trong nhi\u1ec1u \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft.<\/li>\n<\/ul>\n\n\n\n<p><strong>L\u01b0u \u00fd:<\/strong> Hi\u1ec7n nay nhi\u1ec1u m\u00e3 HPMC \u0111\u00e3 \u0111\u01b0\u1ee3c bi\u1ebfn t\u00ednh \u0111\u1ec3 \u0111\u1ea1t nhi\u1ec7t \u0111\u1ed9 gel cao, thu h\u1eb9p kho\u1ea3ng c\u00e1ch v\u1edbi HEMC. V\u00ec v\u1eady n\u00ean \u0111\u00e1nh gi\u00e1 theo th\u00f4ng s\u1ed1 th\u1ef1c c\u1ee7a t\u1eebng m\u00e3, kh\u00f4ng ch\u1ec9 theo t\u00ean g\u1ecdi HPMC hay HEMC.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00f3 th\u1ec3 thay HPMC b\u1eb1ng HEMC tr\u1ef1c ti\u1ebfp kh\u00f4ng?<\/h2>\n\n\n\n<p>Th\u01b0\u1eddng l\u00e0 \u0111\u01b0\u1ee3c, nh\u01b0ng kh\u00f4ng n\u00ean thay 1:1 m\u00e0 kh\u00f4ng th\u1eed nghi\u1ec7m. Hai lo\u1ea1i c\u00f3 \u0111\u1eb7c t\u00ednh l\u01b0u bi\u1ebfn kh\u00e1c nhau:<\/p>\n\n\n\n<ul>\n<li>HEMC th\u01b0\u1eddng cho c\u1ea3m gi\u00e1c k\u00e9o bay kh\u00e1c.<\/li>\n\n\n\n<li>\u0110\u1ed9 ch\u1ed1ng tr\u01b0\u1ee3t v\u00e0 m\u1ee9c cu\u1ed1n kh\u00ed c\u00f3 th\u1ec3 thay \u0111\u1ed5i.<\/li>\n<\/ul>\n\n\n\n<p>Khi chuy\u1ec3n \u0111\u1ed5i, c\u1ea7n ki\u1ec3m tra l\u1ea1i c\u00e1c ch\u1ec9 ti\u00eau sau:<\/p>\n\n\n\n<ul>\n<li>\u0110\u1ed9 nh\u1edbt v\u1eefa t\u01b0\u01a1i<\/li>\n\n\n\n<li>Th\u1eddi gian m\u1edf<\/li>\n\n\n\n<li>\u0110\u1ed9 tr\u01b0\u1ee3t<\/li>\n\n\n\n<li>C\u01b0\u1eddng \u0111\u1ed9 b\u00e1m d\u00ednh<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c m\u00e3 PCE C\u00e1t L\u00e2m cung c\u1ea5p<\/h2>\n\n\n\n<ul>\n<li><strong>HEMC:<\/strong> Pankey HEMC EL30D, \u0111\u1ed9 nh\u1edbt 27.500\u201334.500 mPa\u00b7s, nhi\u1ec7t \u0111\u1ed9 gel \u2265 75\u00b0C.<\/li>\n\n\n\n<li><strong>HPMC nhi\u1ec7t \u0111\u1ed9 gel cao (\u2265 75\u00b0C):<\/strong> Pankey PL45D, G9450, PL70D, PL70DD, PL80DD.<\/li>\n\n\n\n<li><strong>HPMC th\u00f4ng d\u1ee5ng (65\u201370\u00b0C):<\/strong> Landcel MH150F, MH170F, MH200F; Innocel 1503S, 1902S.<\/li>\n<\/ul>\n\n\n\n<p>Danh s\u00e1ch \u0111\u1ea7y \u0111\u1ee7 \u0111\u1ed9 nh\u1edbt t\u1eebng m\u00e3 c\u00f3 t\u1ea1i b\u00e0i vi\u1ebft <em><a href=\"https:\/\/pcecatlam.vn\/hpmc-la-gi-vai-tro-giu-nuoc-keo-dan-gach-bot-tret\/\" data-type=\"URL\" data-id=\"https:\/\/pcecatlam.vn\/hpmc-la-gi-vai-tro-giu-nuoc-keo-dan-gach-bot-tret\/\">HPMC l\u00e0 g\u00ec? Vai tr\u00f2 gi\u1eef n\u01b0\u1edbc tr<\/a><\/em><a href=\"https:\/\/pcecatlam.vn\/hpmc-la-gi-vai-tro-giu-nuoc-keo-dan-gach-bot-tret\/\" data-type=\"URL\" data-id=\"https:\/\/pcecatlam.vn\/hpmc-la-gi-vai-tro-giu-nuoc-keo-dan-gach-bot-tret\/\"><em>ong keo d\u00e1n g\u1ea1ch v\u00e0 b\u1ed9t tr\u00e9t<\/em>.<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">MHEC v\u00e0 HEMC c\u00f3 ph\u1ea3i l\u00e0 m\u1ed9t kh\u00f4ng?<\/h3>\n\n\n\n<p>C\u00f3. \u0110\u00e2y l\u00e0 hai c\u00e1ch vi\u1ebft t\u1eaft c\u1ee7a c\u00f9ng m\u1ed9t lo\u1ea1i ete cellulose.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00f3 th\u1ec3 ph\u1ed1i HPMC v\u00e0 HEMC trong m\u1ed9t c\u00f4ng th\u1ee9c kh\u00f4ng?<\/h3>\n\n\n\n<p>C\u00f3 th\u1ec3. M\u1ed9t s\u1ed1 nh\u00e0 s\u1ea3n xu\u1ea5t ph\u1ed1i hai lo\u1ea1i \u0111\u1ec3 c\u00e2n b\u1eb1ng gi\u1eefa chi ph\u00ed v\u00e0 hi\u1ec7u n\u0103ng. T\u1ef7 l\u1ec7 ph\u1ed1i c\u1ea7n x\u00e1c \u0111\u1ecbnh qua th\u1eed nghi\u1ec7m.<\/p>\n\n\n\n<p><strong>C\u1ea7n m\u1eabu th\u1eed HPMC ho\u1eb7c HEMC?<\/strong> <\/p>\n\n\n\n<p>Li\u00ean h\u1ec7 PCE C\u00e1t L\u00e2m <\/p>\n\n\n\n<p>\u2013 Hotline\/Zalo: 0918 268 637 <\/p>\n\n\n\n<p>\u2013 Email: pcecatlam@gmail.com <\/p>\n\n\n\n<p>\u2013 Website: pcecatlam.vn<\/p>","protected":false},"excerpt":{"rendered":"<p>Hai lo\u1ea1i ete cellulose ph\u1ed5 bi\u1ebfn nh\u1ea5t trong v\u1eefa kh\u00f4 HPMC (Hydroxypropyl Methyl Cellulose) v\u00e0 HEMC (Hydroxyethyl Methyl Cellulose, c\u00f2n g\u1ecdi l\u00e0 MHEC) \u0111\u1ec1u l\u00e0 ete cellulose kh\u00f4ng ion. C\u1ea3 hai c\u00f3 c\u00f9ng ch\u1ee9c n\u0103ng ch\u00ednh: gi\u1eef n\u01b0\u1edbc, t\u1ea1o \u0111\u1eb7c, t\u0103ng th\u1eddi gian m\u1edf v\u00e0 c\u1ea3i thi\u1ec7n t\u00ednh thi c\u00f4ng. \u0110i\u1ec3m kh\u00e1c nhau n\u1eb1m \u1edf [&hellip;]<\/p>","protected":false},"author":2,"featured_media":10672,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[16],"tags":[],"yst_prominent_words":[],"acf":[],"_links":{"self":[{"href":"https:\/\/pcecatlam.vn\/en\/wp-json\/wp\/v2\/posts\/10671"}],"collection":[{"href":"https:\/\/pcecatlam.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pcecatlam.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pcecatlam.vn\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/pcecatlam.vn\/en\/wp-json\/wp\/v2\/comments?post=10671"}],"version-history":[{"count":1,"href":"https:\/\/pcecatlam.vn\/en\/wp-json\/wp\/v2\/posts\/10671\/revisions"}],"predecessor-version":[{"id":10673,"href":"https:\/\/pcecatlam.vn\/en\/wp-json\/wp\/v2\/posts\/10671\/revisions\/10673"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pcecatlam.vn\/en\/wp-json\/wp\/v2\/media\/10672"}],"wp:attachment":[{"href":"https:\/\/pcecatlam.vn\/en\/wp-json\/wp\/v2\/media?parent=10671"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pcecatlam.vn\/en\/wp-json\/wp\/v2\/categories?post=10671"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pcecatlam.vn\/en\/wp-json\/wp\/v2\/tags?post=10671"},{"taxonomy":"yst_prominent_words","embeddable":true,"href":"https:\/\/pcecatlam.vn\/en\/wp-json\/wp\/v2\/yst_prominent_words?post=10671"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}