{"id":1443,"date":"2025-03-09T12:59:04","date_gmt":"2025-03-09T05:59:04","guid":{"rendered":"https:\/\/k-chem.vn\/?p=1443"},"modified":"2025-06-26T10:44:26","modified_gmt":"2025-06-26T03:44:26","slug":"dung-moi-mek","status":"publish","type":"post","link":"https:\/\/k-chem.vn\/vi\/dung-moi-mek\/","title":{"rendered":"H\u00f3a ch\u1ea5t MEK (Methyl Ethyl Ketone): T\u00ednh ch\u1ea5t v\u00e0 g\u1ee3i \u00fd \u0111\u01a1n v\u1ecb b\u00e1n uy t\u00edn"},"content":{"rendered":"<p style=\"text-align: justify;\">Dung m\u00f4i Methyl Ethyl Ketone ( dung m\u00f4i MEK) c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed: CH3COC2H5 h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1, l\u00e0 ch\u1ea5t l\u1ecfng kh\u00f4ng m\u00e0u, v\u00e0 c\u00f3 m\u00f9i t\u01b0\u01a1ng t\u1ef1 b\u01a1 ho\u1eb7c acetone th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p s\u1ea3n xu\u1ea5t. V\u1eady dung m\u00f4i Methyl Ethyl Ketone l\u00e0 g\u00ec? MEK c\u00f3 nh\u1eefng t\u00ednh ch\u1ea5t \u0111\u1eb7c tr\u01b0ng, quy tr\u00ecnh \u0111i\u1ec1u ch\u1ebf c\u1ee5 th\u1ec3 nh\u01b0 th\u1ebf n\u00e0o, v\u00e0 \u1ee9ng d\u1ee5ng, c\u00f9ng t\u00ecm hi\u1ec3u ngay trong b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y nh\u00e9!<\/p><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_73 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">M\u1ee4C L\u1ee4C<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/k-chem.vn\/vi\/dung-moi-mek\/#Methyl_ethyl_ketone_MEK_la_gi\" title=\"Methyl ethyl ketone (MEK) l\u00e0 g\u00ec?\">Methyl ethyl ketone (MEK) l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/k-chem.vn\/vi\/dung-moi-mek\/#Tinh_chat_vat_ly_va_tinh_chat_hoa_hoc_dung_moi_Methyl_ethyl_ketone\" title=\"T\u00ednh ch\u1ea5t v\u1eadt l\u00fd v\u00e0 t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc dung m\u00f4i Methyl ethyl ketone\">T\u00ednh ch\u1ea5t v\u1eadt l\u00fd v\u00e0 t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc dung m\u00f4i Methyl ethyl ketone<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/k-chem.vn\/vi\/dung-moi-mek\/#Tinh_chat_vat_ly\" title=\"T\u00ednh ch\u1ea5t v\u1eadt l\u00fd\">T\u00ednh ch\u1ea5t v\u1eadt l\u00fd<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/k-chem.vn\/vi\/dung-moi-mek\/#Tinh_chat_hoa_hoc\" title=\"T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc\">T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/k-chem.vn\/vi\/dung-moi-mek\/#Quy_trinh_dieu_che_dung_moi_MEK\" title=\"Quy tr\u00ecnh \u0111i\u1ec1u ch\u1ebf dung m\u00f4i MEK\">Quy tr\u00ecnh \u0111i\u1ec1u ch\u1ebf dung m\u00f4i MEK<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/k-chem.vn\/vi\/dung-moi-mek\/#Ung_dung_dung_moi_mek_trong_cong_nghiep\" title=\"\u1ee8ng d\u1ee5ng dung m\u00f4i mek trong c\u00f4ng nghi\u1ec7p\">\u1ee8ng d\u1ee5ng dung m\u00f4i mek trong c\u00f4ng nghi\u1ec7p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/k-chem.vn\/vi\/dung-moi-mek\/#Luu_y_khi_su_dung_hoa_chat_MEK\" title=\"L\u01b0u \u00fd khi s\u1eed d\u1ee5ng h\u00f3a ch\u1ea5t MEK\">L\u01b0u \u00fd khi s\u1eed d\u1ee5ng h\u00f3a ch\u1ea5t MEK<\/a><\/li><\/ul><\/nav><\/div>\n\n<p><span style=\"font-weight: 400;\"><strong>&gt;&gt; Xem th\u00eam<\/strong>: <\/span><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/k-chem.vn\/vi\/dung-moi-acetone\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Dung m\u00f4i Acetone<\/span><\/a><\/span><span style=\"font-weight: 400;\"> l\u00e0 g\u00ec? Quy tr\u00ecnh \u0111i\u1ec1u ch\u1ebf v\u00e0 \u1ee9ng d\u1ee5ng dung m\u00f4i Acetone<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Methyl_ethyl_ketone_MEK_la_gi\"><\/span>Methyl ethyl ketone (MEK) l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\">Methyl ethyl ketone (MEK), hay c\u00f2n g\u1ecdi l\u00e0 butanol, l\u00e0 m\u1ed9t h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 c\u00f3 c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc CH\u2083C(O)CH\u2082CH\u2083. \u0110\u00e2y l\u00e0 m\u1ed9t lo\u1ea1i ketone \u0111\u01a1n gi\u1ea3n, t\u1ed3n t\u1ea1i d\u01b0\u1edbi d\u1ea1ng ch\u1ea5t l\u1ecfng kh\u00f4ng m\u00e0u, d\u1ec5 bay h\u01a1i, c\u00f3 m\u00f9i ng\u1ecdt nh\u1eb9 gi\u1ed1ng nh\u01b0 acetone. MEK \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00f4ng nghi\u1ec7p l\u00e0m dung m\u00f4i nh\u1edd kh\u1ea3 n\u0103ng h\u00f2a tan t\u1ed1t nhi\u1ec1u lo\u1ea1i nh\u1ef1a, s\u01a1n, keo v\u00e0 c\u00e1c <a href=\"https:\/\/k-chem.vn\/vi\/dung-moi-huu-co\/\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #0000ff;\">dung m\u00f4i h\u1eefu c\u01a1<\/span><\/a> kh\u00e1c.<\/p>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Tinh_chat_vat_ly_va_tinh_chat_hoa_hoc_dung_moi_Methyl_ethyl_ketone\"><\/span>T\u00ednh ch\u1ea5t v\u1eadt l\u00fd v\u00e0 t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc dung m\u00f4i Methyl ethyl ketone<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Tinh_chat_vat_ly\"><\/span>T\u00ednh ch\u1ea5t v\u1eadt l\u00fd<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul style=\"text-align: justify;\">\n<li aria-level=\"1\">Tr\u1ea1ng th\u00e1i: Ch\u1ea5t l\u1ecfng kh\u00f4ng m\u00e0u.<\/li>\n<li aria-level=\"1\">M\u00f9i: C\u00f3 m\u00f9i ng\u1ecdt nh\u1eb9, t\u01b0\u01a1ng t\u1ef1 acetone, h\u01a1i g\u1eaft.<\/li>\n<li aria-level=\"1\">Kh\u1ed1i l\u01b0\u1ee3ng mol: 72,11 g\/mol.<\/li>\n<li aria-level=\"1\">T\u1ef7 tr\u1ecdng: 0,805 g\/cm\u00b3 (\u1edf 20\u00b0C).<\/li>\n<li aria-level=\"1\">\u0110i\u1ec3m s\u00f4i: 79,6\u00b0C (\u1edf \u00e1p su\u1ea5t kh\u00ed quy\u1ec3n ti\u00eau chu\u1ea9n).<\/li>\n<li aria-level=\"1\">\u0110i\u1ec3m n\u00f3ng ch\u1ea3y: -86\u00b0C.<\/li>\n<li aria-level=\"1\">\u0110\u1ed9 nh\u1edbt: 0,41 cP (\u1edf 20\u00b0C).<\/li>\n<li aria-level=\"1\">\u0110\u1ed9 h\u00f2a tan:\n<ul>\n<li aria-level=\"2\">Tan t\u1ed1t trong n\u01b0\u1edbc (kho\u1ea3ng 223 g\/L \u1edf 20\u00b0C).<\/li>\n<li aria-level=\"2\">Tan v\u00f4 h\u1ea1n trong c\u00e1c dung m\u00f4i h\u1eefu c\u01a1 nh\u01b0 ethanol, ether, v\u00e0 benzen.<\/li>\n<\/ul>\n<\/li>\n<li aria-level=\"1\">\u00c1p su\u1ea5t h\u01a1i: 78 mmHg (\u1edf 20\u00b0C), cho th\u1ea5y t\u00ednh d\u1ec5 bay h\u01a1i cao.<\/li>\n<li aria-level=\"1\">Ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1: 1,3788 (\u1edf 20\u00b0C).<\/li>\n<li aria-level=\"1\">T\u00ednh d\u1ec5 ch\u00e1y: L\u00e0 ch\u1ea5t d\u1ec5 b\u1eaft l\u1eeda, v\u1edbi nhi\u1ec7t \u0111\u1ed9 ch\u1edbp ch\u00e1y kho\u1ea3ng -9\u00b0C (theo c\u1ed1c k\u00edn).<\/li>\n<\/ul>\n<figure id=\"attachment_1444\" aria-describedby=\"caption-attachment-1444\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1444\" src=\"https:\/\/k-chem.vn\/wp-content\/uploads\/2025\/03\/dung-moi-mek-2.jpg\" alt=\"dung m\u00f4i mek\" width=\"800\" height=\"800\" srcset=\"https:\/\/k-chem.vn\/wp-content\/uploads\/2025\/03\/dung-moi-mek-2.jpg 1600w, https:\/\/k-chem.vn\/wp-content\/uploads\/2025\/03\/dung-moi-mek-2-300x300.jpg 300w, https:\/\/k-chem.vn\/wp-content\/uploads\/2025\/03\/dung-moi-mek-2-1024x1024.jpg 1024w, https:\/\/k-chem.vn\/wp-content\/uploads\/2025\/03\/dung-moi-mek-2-150x150.jpg 150w, https:\/\/k-chem.vn\/wp-content\/uploads\/2025\/03\/dung-moi-mek-2-768x768.jpg 768w, https:\/\/k-chem.vn\/wp-content\/uploads\/2025\/03\/dung-moi-mek-2-1536x1536.jpg 1536w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-1444\" class=\"wp-caption-text\">Methyl Ethyl Ketone (MEK) c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed: CH3COC2H5 h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1, l\u00e0 ch\u1ea5t l\u1ecfng kh\u00f4ng m\u00e0u, v\u00e0 c\u00f3 m\u00f9i t\u01b0\u01a1ng t\u1ef1 b\u01a1 ho\u1eb7c acetone<\/figcaption><\/figure>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Tinh_chat_hoa_hoc\"><\/span>T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\">Nh\u00f3m ch\u1ee9c ketone: MEK ch\u1ee9a nh\u00f3m ch\u1ee9c C=O (carbonyl), l\u00e0 \u0111\u1eb7c tr\u01b0ng c\u1ee7a ketone, khi\u1ebfn n\u00f3 c\u00f3 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc t\u01b0\u01a1ng t\u1ef1 c\u00e1c ketone kh\u00e1c.<\/p>\n<p style=\"text-align: justify;\"><strong>Ph\u1ea3n \u1ee9ng oxy h\u00f3a:<\/strong><\/p>\n<p style=\"text-align: justify;\">Dung m\u00f4i MEK kh\u00e1 \u1ed5n \u0111\u1ecbnh v\u1edbi c\u00e1c ch\u1ea5t oxy h\u00f3a th\u00f4ng th\u01b0\u1eddng, nh\u01b0ng trong \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t (v\u00ed d\u1ee5: v\u1edbi axit m\u1ea1nh v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao), n\u00f3 c\u00f3 th\u1ec3 b\u1ecb oxy h\u00f3a th\u00e0nh axit axetic v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m kh\u00e1c.<\/p>\n<p style=\"text-align: justify;\"><strong>Ph\u1ea3n \u1ee9ng kh\u1eed:<\/strong><\/p>\n<p style=\"text-align: justify;\">Khi b\u1ecb kh\u1eed (v\u00ed d\u1ee5: v\u1edbi H\u2082 v\u00e0 x\u00fac t\u00e1c nh\u01b0 Ni ho\u1eb7c Pd), h\u00f3a ch\u1ea5t MEK chuy\u1ec3n th\u00e0nh 2-butanol (CH\u2083CH(OH)CH\u2082CH\u2083), m\u1ed9t r\u01b0\u1ee3u b\u1eadc hai.<\/p>\n<p style=\"text-align: justify;\"><strong>Ph\u1ea3n \u1ee9ng v\u1edbi nucleophile:<\/strong><\/p>\n<p style=\"text-align: justify;\">Nh\u00f3m carbonyl trong MEK c\u00f3 th\u1ec3 ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c ch\u1ea5t nucleophile nh\u01b0 hydrazine (NH\u2082NH\u2082) \u0111\u1ec3 t\u1ea1o th\u00e0nh hydrazine, ho\u1eb7c v\u1edbi Grignard reagent (RMgX) \u0111\u1ec3 t\u1ea1o r\u01b0\u1ee3u b\u1eadc ba.<\/p>\n<p style=\"text-align: justify;\"><strong>T\u00ednh axit\/baz\u01a1 y\u1ebfu:<\/strong><\/p>\n<p style=\"text-align: justify;\">Hydro \u1edf v\u1ecb tr\u00ed alpha (CH\u2082 b\u00ean c\u1ea1nh nh\u00f3m C=O) c\u00f3 t\u00ednh axit nh\u1eb9 do hi\u1ec7u \u1ee9ng c\u1ed9ng h\u01b0\u1edfng v\u1edbi nh\u00f3m carbonyl. Trong m\u00f4i tr\u01b0\u1eddng ki\u1ec1m m\u1ea1nh, n\u00f3 c\u00f3 th\u1ec3 b\u1ecb deproton h\u00f3a, d\u1eabn \u0111\u1ebfn ph\u1ea3n \u1ee9ng ng\u01b0ng t\u1ee5 (nh\u01b0 ng\u01b0ng t\u1ee5 aldol).<\/p>\n<p style=\"text-align: justify;\"><strong>Ph\u1ea3n \u1ee9ng v\u1edbi halogen:<\/strong><\/p>\n<p style=\"text-align: justify;\">MEK c\u00f3 th\u1ec3 b\u1ecb halogen h\u00f3a \u1edf v\u1ecb tr\u00ed alpha trong \u0111i\u1ec1u ki\u1ec7n c\u00f3 x\u00fac t\u00e1c axit ho\u1eb7c ki\u1ec1m, t\u1ea1o ra s\u1ea3n ph\u1ea9m halogen h\u00f3a nh\u01b0 CH\u2083C(O)CHXCH\u2083 (X l\u00e0 halogen).<\/p>\n<p style=\"text-align: justify;\"><strong>T\u00ednh d\u1ec5 ch\u00e1y v\u00e0 ph\u00e2n h\u1ee7y:<\/strong><\/p>\n<p style=\"text-align: justify;\">Khi ch\u00e1y, dung m\u00f4i MEK ph\u00e2n h\u1ee7y th\u00e0nh CO\u2082 v\u00e0 H\u2082O, \u0111\u1ed3ng th\u1eddi t\u1ecfa nhi\u1ec7t m\u1ea1nh. N\u00f3 c\u0169ng c\u00f3 th\u1ec3 t\u1ea1o peroxide h\u1eefu c\u01a1 n\u1ebfu ti\u1ebfp x\u00fac l\u00e2u v\u1edbi kh\u00f4ng kh\u00ed v\u00e0 \u00e1nh s\u00e1ng.<\/p>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Quy_trinh_dieu_che_dung_moi_MEK\"><\/span>Quy tr\u00ecnh \u0111i\u1ec1u ch\u1ebf dung m\u00f4i MEK<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\">Quy tr\u00ecnh dehydrogenation c\u1ee7a 2-Butanol (Ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn nh\u1ea5t trong c\u00f4ng nghi\u1ec7p):<\/p>\n<p style=\"text-align: justify;\">\u0110\u00e2y l\u00e0 c\u00e1ch \u0111i\u1ec1u ch\u1ebf h\u00f3a ch\u1ea5t MEK ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay, s\u1eed d\u1ee5ng 2-butanol (sec-butanol, CH\u2083CH(OH)CH\u2082CH\u2083) l\u00e0m nguy\u00ean li\u1ec7u.<\/p>\n<ul style=\"text-align: justify;\">\n<li aria-level=\"1\">Ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc: CH\u2083CH(OH)CH\u2082CH\u2083 \u2192 CH\u2083C(O)CH\u2082CH\u2083 + H\u2082 (2-Butanol \u2192 MEK + Hydro)<\/li>\n<li aria-level=\"1\">\u0110i\u1ec1u ki\u1ec7n ph\u1ea3n \u1ee9ng: Nhi\u1ec7t \u0111\u1ed9 400-500 \u0111\u1ed9 C, \u00e1p su\u1ea5t kh\u00ed quy\u1ec3n ho\u1eb7c th\u1ea5p h\u01a1n.<\/li>\n<\/ul>\n<p style=\"text-align: justify;\">Quy tr\u00ecnh oxy h\u00f3a n-Butane (Ph\u01b0\u01a1ng ph\u00e1p oxy h\u00f3a hydrocacbon):<\/p>\n<ul style=\"text-align: justify;\">\n<li aria-level=\"1\">MEK c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng c\u00e1ch oxy h\u00f3a tr\u1ef1c ti\u1ebfp n-butane (CH\u2083CH\u2082CH\u2082CH\u2083) trong pha l\u1ecfng.\n<ul>\n<li aria-level=\"2\">Ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc: CH\u2083CH\u2082CH\u2082CH\u2083 + O\u2082 \u2192 CH\u2083C(O)CH\u2082CH\u2083 + c\u00e1c s\u1ea3n ph\u1ea9m ph\u1ee5<\/li>\n<li aria-level=\"2\">\u0110i\u1ec1u ki\u1ec7n ph\u1ea3n \u1ee9ng: nhi\u1ec7t \u0111\u1ed9 120\u2013150\u00b0C, \u00e1p su\u1ea5t: 50-60 atm.<\/li>\n<li aria-level=\"2\"><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/k-chem.vn\/vi\/dung-moi\/\" target=\"_blank\" rel=\"noopener\">Dung m\u00f4i<\/a><\/span>: th\u01b0\u1eddng d\u00f9ng axit acetic \u0111\u1ec3 h\u1ed7 tr\u1ee3 ph\u1ea3n \u1ee9ng.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p style=\"text-align: justify;\">Ngo\u00e0i ra c\u00f2n 1 s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p \u00edt ph\u1ed5 bi\u1ebfn h\u01a1n nh\u01b0 Wacker Oxidation,&#8230;<\/p>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Ung_dung_dung_moi_mek_trong_cong_nghiep\"><\/span>\u1ee8ng d\u1ee5ng dung m\u00f4i mek trong c\u00f4ng nghi\u1ec7p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul style=\"text-align: justify;\">\n<li aria-level=\"1\">Dung m\u00f4i trong ng\u00e0nh s\u01a1n v\u00e0 l\u1edbp ph\u1ee7.<\/li>\n<li aria-level=\"1\">Dung m\u00f4i trong s\u1ea3n xu\u1ea5t keo d\u00e1n v\u00e0 ch\u1ea5t k\u1ebft d\u00ednh c\u00f4ng nghi\u1ec7p<\/li>\n<li aria-level=\"1\">MEK c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong <a href=\"https:\/\/k-chem.vn\/vi\/dung-moi-pha-muc-in-flexo\/\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #0000ff;\">dung m\u00f4i pha m\u1ef1c in flexo<\/span><\/a> v\u00e0 <a href=\"https:\/\/k-chem.vn\/vi\/dung-moi-pha-muc-in-ong-dong\/\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #0000ff;\">dung m\u00f4i pha m\u1ef1c in \u1ed1ng \u0111\u1ed3ng<\/span><\/a> nh\u1edd kh\u1ea3 n\u0103ng h\u00f2a tan t\u1ed1t c\u00e1c lo\u1ea1i nh\u1ef1a v\u00e0 thu\u1ed1c nhu\u1ed9m, \u0111\u1ed3ng th\u1eddi bay h\u01a1i nhanh gi\u00fap m\u1ef1c kh\u00f4 ngay sau khi in.<\/li>\n<li aria-level=\"1\">Dung m\u00f4i trong qu\u00e1 tr\u00ecnh t\u1ed5ng h\u1ee3p ho\u1eb7c x\u1eed l\u00fd c\u00e1c lo\u1ea1i nh\u1ef1a nh\u01b0 PVC, polystyrene, ho\u1eb7c nh\u1ef1a epoxy.<\/li>\n<li aria-level=\"1\">MEK \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 chi\u1ebft xu\u1ea5t c\u00e1c h\u1ee3p ch\u1ea5t t\u1eeb nguy\u00ean li\u1ec7u t\u1ef1 nhi\u00ean, v\u00ed d\u1ee5 nh\u01b0 trong s\u1ea3n xu\u1ea5t thu\u1ed1c ho\u1eb7c tinh d\u1ea7u.<\/li>\n<li aria-level=\"1\">MEK hi\u1ec7u qu\u1ea3 trong vi\u1ec7c lo\u1ea1i b\u1ecf d\u1ea7u, m\u1ee1 v\u00e0 ch\u1ea5t b\u1ea9n tr\u00ean b\u1ec1 m\u1eb7t kim lo\u1ea1i, m\u00e1y m\u00f3c ho\u1eb7c linh ki\u1ec7n \u0111i\u1ec7n t\u1eed tr\u01b0\u1edbc khi s\u01a1n ho\u1eb7c l\u1eafp r\u00e1p.<\/li>\n<\/ul>\n<p><strong>&gt;&gt; Xem th\u00eam: <\/strong><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/k-chem.vn\/vi\/dung-moi-tay-rua\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Dung m\u00f4i t\u1ea9y r\u1eeda<\/span><\/a><\/span><span style=\"font-weight: 400;\"> l\u00e0 g\u00ec? Ph\u00e2n lo\u1ea1i v\u00e0 g\u1ee3i \u00fd 5 lo\u1ea1i dung m\u00f4i ph\u1ed5 bi\u1ebfn<\/span><\/p>\n<figure id=\"attachment_1446\" aria-describedby=\"caption-attachment-1446\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1446\" src=\"https:\/\/k-chem.vn\/wp-content\/uploads\/2025\/03\/dung-moi-mek-3.webp\" alt=\"dung m\u00f4i mek\" width=\"800\" height=\"300\" srcset=\"https:\/\/k-chem.vn\/wp-content\/uploads\/2025\/03\/dung-moi-mek-3.webp 1600w, https:\/\/k-chem.vn\/wp-content\/uploads\/2025\/03\/dung-moi-mek-3-300x113.webp 300w, https:\/\/k-chem.vn\/wp-content\/uploads\/2025\/03\/dung-moi-mek-3-1024x384.webp 1024w, https:\/\/k-chem.vn\/wp-content\/uploads\/2025\/03\/dung-moi-mek-3-768x288.webp 768w, https:\/\/k-chem.vn\/wp-content\/uploads\/2025\/03\/dung-moi-mek-3-1536x576.webp 1536w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-1446\" class=\"wp-caption-text\">\u1ee8ng d\u1ee5ng mek trong c\u00f4ng nghi\u1ec7p trong ng\u00e0nh s\u01a1n v\u00e0 l\u1edbp ph\u1ee7<\/figcaption><\/figure>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Luu_y_khi_su_dung_hoa_chat_MEK\"><\/span>L\u01b0u \u00fd khi s\u1eed d\u1ee5ng h\u00f3a ch\u1ea5t MEK<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul style=\"text-align: justify;\">\n<li aria-level=\"1\"><strong>Th\u00f4ng tho\u00e1ng khu v\u1ef1c l\u00e0m vi\u1ec7c<\/strong><\/li>\n<li aria-level=\"1\"><strong>Tr\u00e1nh ngu\u1ed3n nhi\u1ec7t v\u00e0 l\u1eeda<\/strong><\/li>\n<li aria-level=\"1\"><strong>X\u1eed l\u00fd khi ti\u1ebfp x\u00fac<\/strong>\n<ul>\n<li aria-level=\"2\">N\u1ebfu d\u00ednh v\u00e0o m\u1eaft: R\u1eeda ngay b\u1eb1ng n\u01b0\u1edbc s\u1ea1ch li\u00ean t\u1ee5c trong \u00edt nh\u1ea5t 15 ph\u00fat, sau \u0111\u00f3 \u0111\u1ebfn c\u01a1 s\u1edf y t\u1ebf g\u1ea7n nh\u1ea5t.<\/li>\n<li aria-level=\"2\">N\u1ebfu d\u00ednh v\u00e0o da: R\u1eeda s\u1ea1ch v\u00f9ng da ti\u1ebfp x\u00fac b\u1eb1ng n\u01b0\u1edbc v\u00e0 x\u00e0 ph\u00f2ng, b\u00f4i kem gi\u1eef \u1ea9m n\u1ebfu c\u1ea7n, v\u00e0 thay qu\u1ea7n \u00e1o b\u1ecb nhi\u1ec5m h\u00f3a ch\u1ea5t.<\/li>\n<li aria-level=\"2\">N\u1ebfu h\u00edt ph\u1ea3i: \u0110\u01b0a n\u1ea1n nh\u00e2n ra n\u01a1i tho\u00e1ng kh\u00ed. N\u1ebfu ng\u1eebng th\u1edf, th\u1ef1c hi\u1ec7n h\u00f4 h\u1ea5p nh\u00e2n t\u1ea1o v\u00e0 li\u00ean h\u1ec7 y t\u1ebf ngay.<\/li>\n<li aria-level=\"2\">N\u1ebfu nu\u1ed1t ph\u1ea3i: Kh\u00f4ng c\u1ed1 g\u00e2y n\u00f4n tr\u1eeb khi c\u00f3 ch\u1ec9 d\u1eabn y t\u1ebf. \u0110\u01b0a n\u1ea1n nh\u00e2n \u0111\u1ebfn c\u01a1 s\u1edf y t\u1ebf ngay l\u1eadp t\u1ee9c.<\/li>\n<\/ul>\n<\/li>\n<li aria-level=\"1\"><strong>X\u1eed l\u00fd s\u1ef1 c\u1ed1 ch\u00e1y n\u1ed5<\/strong>\n<ul>\n<li aria-level=\"2\">N\u1ebfu x\u1ea3y ra ch\u00e1y do MEK, s\u1eed d\u1ee5ng b\u00ecnh ch\u1eefa ch\u00e1y ch\u1ee9a kh\u00ed CO2, b\u1ed9t kh\u00f4, ho\u1eb7c b\u1ecdt ch\u1eefa ch\u00e1y c\u00f3 c\u1ed3n \u0111\u1ec3 d\u1eadp l\u1eeda. Kh\u00f4ng d\u00f9ng n\u01b0\u1edbc v\u00ec c\u00f3 th\u1ec3 l\u00e0m l\u1eeda lan r\u1ed9ng.<\/li>\n<\/ul>\n<\/li>\n<li aria-level=\"1\"><strong>\u0110\u1ecdc k\u1ef9 MSDS tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng MEK.<\/strong><\/li>\n<\/ul>\n<figure id=\"attachment_1448\" aria-describedby=\"caption-attachment-1448\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1448\" src=\"https:\/\/k-chem.vn\/wp-content\/uploads\/2025\/03\/dung-moi-mek-4.jpg\" alt=\"dung m\u00f4i MEK\" width=\"800\" height=\"800\" srcset=\"https:\/\/k-chem.vn\/wp-content\/uploads\/2025\/03\/dung-moi-mek-4.jpg 1000w, https:\/\/k-chem.vn\/wp-content\/uploads\/2025\/03\/dung-moi-mek-4-300x300.jpg 300w, https:\/\/k-chem.vn\/wp-content\/uploads\/2025\/03\/dung-moi-mek-4-150x150.jpg 150w, https:\/\/k-chem.vn\/wp-content\/uploads\/2025\/03\/dung-moi-mek-4-768x768.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-1448\" class=\"wp-caption-text\">N\u00ean b\u1ea3o qu\u1ea3n dung m\u00f4i MEK n\u01a1i th\u00f4ng tho\u00e1ng, tr\u00e1nh ngu\u1ed3n nhi\u1ec7t v\u00e0 l\u1eeda<\/figcaption><\/figure>\n<p style=\"text-align: justify;\">Li\u00ean h\u1ec7 ngay K-Chem &#8211; \u0110\u01a1n v\u1ecb chuy\u00ean cung c\u1ea5p dung m\u00f4i MEK s\u1ed1 l\u01b0\u1ee3ng l\u1edbn uy t\u00edn, ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng \u0111\u1ec3 nh\u1eadn t\u01b0 v\u1ea5n mi\u1ec5n ph\u00ed t\u1eeb \u0111\u1ed9i ng\u0169 chuy\u00ean gia gi\u00e0u kinh nghi\u1ec7m nh\u00e9!<\/p>\n<p style=\"text-align: justify;\"><strong>C\u00d4NG TY TNHH K-CHEM VI\u1ec6T NAM<\/strong><\/p>\n<ul>\n<li style=\"text-align: justify;\" aria-level=\"1\">\u0110\u1ecba ch\u1ec9: \u0110\u01b0\u1eddng N6B, L\u00f4 F, C\u1ee5m C\u00f4ng Nghi\u1ec7p Ph\u00fa Ch\u00e1nh 1, Ph\u01b0\u1eddng Ph\u00fa Ch\u00e1nh, TP. T\u00e2n Uy\u00ean, T\u1ec9nh B\u00ecnh D\u01b0\u01a1ng, Vi\u1ec7t Nam<\/li>\n<li style=\"text-align: justify;\" aria-level=\"1\">Tel: +84 274 362 0218<\/li>\n<li style=\"text-align: justify;\" aria-level=\"1\">Email: info@k-chem.vn<\/li>\n<\/ul>\n<p><script type=\"application\/ld+json\">{\n    \"@context\": \"https:\/\/schema.org\/\",\n    \"@type\": \"CreativeWorkSeries\",\n    \"name\": \"dung m\u00f4i mek\",\n    \"aggregateRating\": {\n        \"@type\": \"AggregateRating\",\n        \"ratingValue\": \"4.9\",\n        \"bestRating\": \"5\",\n        \"worstRating\": \"1\",\n        \"ratingCount\": \"207\"\n    }\n}<\/script><br \/>\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Article\",  \n  \"headline\": \"MEK (Methyl Ethyl Ketone) C4H8O l\u00e0 g\u00ec? Dung m\u00f4i h\u00f3a ch\u1ea5t\n\",\n  \"description\": \"Dung m\u00f4i Methyl Ethyl Ketone (MEK) kh\u00f4ng m\u00e0u, c\u00f3 m\u00f9i h\u01a1i gi\u1ed1ng nh\u01b0 acetone \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t s\u01a1n v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m h\u00f3a d\u1ea7u kh\u00e1c\",\n  \"image\": [\n    \"https:\/\/k-chem.vn\/wp-content\/uploads\/2025\/03\/dung-moi-mek-2-1024x1024.jpg\",\n    \"https:\/\/k-chem.vn\/wp-content\/uploads\/2025\/03\/dung-moi-mek-3-1024x384.webp\"\n  ],  \n  \"author\": {\n    \"@type\": \"Organization\",\n    \"name\": \"C\u00d4NG TY TNHH K-CHEM VI\u1ec6T NAM\",\n    \"@id\": \"https:\/\/k-chem.vn\/vi\/\"\n  },  \n  \"publisher\": {\n     \"@type\": \"Organization\",\n    \"name\": \"C\u00d4NG TY TNHH K-CHEM VI\u1ec6T NAM\",\n    \"@id\": \"https:\/\/k-chem.vn\/vi\/\"\n  },\n  \"datePublished\": \"2024-05-15\",\n  \"dateModified\": \"2025-06-26\"\n}<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dung m\u00f4i Methyl Ethyl Ketone ( dung m\u00f4i MEK) c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed: CH3COC2H5 h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1, l\u00e0 ch\u1ea5t l\u1ecfng kh\u00f4ng m\u00e0u, v\u00e0 c\u00f3 m\u00f9i t\u01b0\u01a1ng t\u1ef1 b\u01a1 ho\u1eb7c acetone th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p s\u1ea3n xu\u1ea5t. V\u1eady dung m\u00f4i Methyl Ethyl Ketone l\u00e0 g\u00ec? MEK c\u00f3 nh\u1eefng t\u00ednh ch\u1ea5t \u0111\u1eb7c [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":1444,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[17,16],"tags":[],"class_list":["post-1443","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc","category-cong-nghiep-tin-tuc"],"acf":[],"_links":{"self":[{"href":"https:\/\/k-chem.vn\/vi\/wp-json\/wp\/v2\/posts\/1443"}],"collection":[{"href":"https:\/\/k-chem.vn\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/k-chem.vn\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/k-chem.vn\/vi\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/k-chem.vn\/vi\/wp-json\/wp\/v2\/comments?post=1443"}],"version-history":[{"count":8,"href":"https:\/\/k-chem.vn\/vi\/wp-json\/wp\/v2\/posts\/1443\/revisions"}],"predecessor-version":[{"id":3592,"href":"https:\/\/k-chem.vn\/vi\/wp-json\/wp\/v2\/posts\/1443\/revisions\/3592"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/k-chem.vn\/vi\/wp-json\/wp\/v2\/media\/1444"}],"wp:attachment":[{"href":"https:\/\/k-chem.vn\/vi\/wp-json\/wp\/v2\/media?parent=1443"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/k-chem.vn\/vi\/wp-json\/wp\/v2\/categories?post=1443"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/k-chem.vn\/vi\/wp-json\/wp\/v2\/tags?post=1443"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}