{"id":6921,"date":"2025-11-03T08:51:34","date_gmt":"2025-11-03T08:51:34","guid":{"rendered":"https:\/\/saphydrogels.com\/?p=6921"},"modified":"2025-11-03T08:52:07","modified_gmt":"2025-11-03T08:52:07","slug":"does-sodium-polyacrylate-react-with-metal-fittings-a-scientific-exploration","status":"publish","type":"post","link":"https:\/\/saphydrogels.com\/vi\/does-sodium-polyacrylate-react-with-metal-fittings-a-scientific-exploration\/","title":{"rendered":"Sodium Polyacrylate c\u00f3 ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c ph\u1ee5 ki\u1ec7n kim lo\u1ea1i kh\u00f4ng? M\u1ed9t nghi\u00ean c\u1ee9u khoa h\u1ecdc"},"content":{"rendered":"<h3 data-start=\"310\" data-end=\"330\"><strong data-start=\"314\" data-end=\"330\">Gi\u1edbi thi\u1ec7u<\/strong><\/h3>\n<p data-start=\"332\" data-end=\"771\">Polyacrylat natri (c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc: <span class=\"katex\"><span class=\"katex-mathml\">(C\u2083H\u2083NaO\u2082)_n(C\u2083H\u2083NaO\u2082)_n<\/span><span class=\"katex-html\" aria-hidden=\"true\"><span class=\"base\"><span class=\"mopen\">(<\/span><span class=\"mord\"><span class=\"mord mathnormal\">C<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\"><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">3<\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><\/span><\/span><\/span><span class=\"mord\"><span class=\"mord mathnormal\">H<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\"><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">3<\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><\/span><\/span><\/span><span class=\"mord mathnormal\">N<\/span><span class=\"mord mathnormal\">a<\/span><span class=\"mord\"><span class=\"mord mathnormal\">O<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\"><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><\/span><\/span><\/span><span class=\"mclose\">)<span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\"><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\">n<\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>) l\u00e0 m\u1ed9t trong nh\u1eefng lo\u1ea1i polymer si\u00eau th\u1ea5m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t trong khoa h\u1ecdc v\u1eadt li\u1ec7u hi\u1ec7n \u0111\u1ea1i. N\u1ed5i ti\u1ebfng v\u1edbi kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 v\u00e0 gi\u1eef n\u01b0\u1edbc phi th\u01b0\u1eddng \u2014 th\u01b0\u1eddng g\u1ea5p h\u00e0ng tr\u0103m l\u1ea7n tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a ch\u00ednh n\u00f3 \u2014 lo\u1ea1i polymer n\u00e0y \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong v\u00f4 s\u1ed1 l\u0129nh v\u1ef1c: t\u00e3 l\u00f3t, s\u1ea3n ph\u1ea9m v\u1ec7 sinh, ch\u1ea5t c\u1ea3i t\u1ea1o \u0111\u1ea5t n\u00f4ng nghi\u1ec7p, gel gi\u1eef n\u01b0\u1edbc, ch\u1ea5t t\u1ea9y r\u1eeda v\u00e0 th\u1eadm ch\u00ed c\u1ea3 c\u00e1c h\u1ec7 th\u1ed1ng x\u1eed l\u00fd n\u01b0\u1edbc c\u00f4ng nghi\u1ec7p.<\/p>\n<p data-start=\"773\" data-end=\"1017\">V\u00ec c\u00e1c \u1ee9ng d\u1ee5ng n\u00e0y th\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn vi\u1ec7c ti\u1ebfp x\u00fac v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i \u2014 ch\u1eb3ng h\u1ea1n nh\u01b0 th\u00f9ng ch\u1ee9a b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9, \u1ed1ng nh\u00f4m, ph\u1ee5 ki\u1ec7n \u0111\u1ed3ng ho\u1eb7c th\u00f9ng s\u1eaft \u2014 n\u00ean m\u1ed9t c\u00e2u h\u1ecfi quan tr\u1ecdng \u0111\u01b0\u1ee3c \u0111\u1eb7t ra: <strong data-start=\"952\" data-end=\"1015\">Natri polyacrylate c\u00f3 t\u00ednh \u0103n m\u00f2n hay ph\u1ea3n \u1ee9ng v\u1edbi kim lo\u1ea1i kh\u00f4ng?<\/strong><\/p>\n<p data-start=\"1019\" data-end=\"1335\">C\u00e2u tr\u1ea3 l\u1eddi ng\u1eafn g\u1ecdn l\u00e0 <strong data-start=\"1039\" data-end=\"1057\">kh\u00f4ng ph\u1ea3i b\u1ea3n ch\u1ea5t<\/strong>, nh\u01b0ng trong m\u1ed9t s\u1ed1 \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng nh\u1ea5t \u0111\u1ecbnh\u2014\u0111\u1eb7c bi\u1ec7t l\u00e0 khi c\u00f3 n\u01b0\u1edbc, oxy v\u00e0 mu\u1ed1i\u2014n\u00f3 c\u00f3 th\u1ec3 <strong data-start=\"1164\" data-end=\"1196\">gi\u00e1n ti\u1ebfp g\u00e2y ra s\u1ef1 \u0103n m\u00f2n<\/strong>. \u0110\u1ec3 hi\u1ec3u l\u00fd do t\u1ea1i sao, ch\u00fang ta c\u1ea7n t\u00ecm hi\u1ec3u b\u1ea3n ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a n\u00f3, c\u00e1ch n\u00f3 t\u01b0\u01a1ng t\u00e1c v\u1edbi b\u1ec1 m\u1eb7t kim lo\u1ea1i, c\u0169ng nh\u01b0 nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0o \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn h\u00e0nh vi c\u1ee7a n\u00f3.<\/p>\n<hr data-start=\"1337\" data-end=\"1340\" \/>\n<h3 data-start=\"1342\" data-end=\"1391\"><strong data-start=\"1346\" data-end=\"1391\">1. T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a natri polyacrylat<\/strong><\/h3>\n<p data-start=\"1393\" data-end=\"1691\">Natri polyacrylat l\u00e0 m\u1ed9t <strong data-start=\"1418\" data-end=\"1439\">polyme t\u1ed5ng h\u1ee3p<\/strong> \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh th\u00f4ng qua qu\u00e1 tr\u00ecnh tr\u00f9ng h\u1ee3p c\u1ee7a axit acrylic (CH\u2082=CH\u2013COOH), sau \u0111\u00f3 l\u00e0 <strong data-start=\"1512\" data-end=\"1552\">trung h\u00f2a b\u1eb1ng natri hydroxit<\/strong> (NaOH). \u0110\u01a1n v\u1ecb l\u1eb7p l\u1ea1i ch\u1ee9a m\u1ed9t <strong data-start=\"1591\" data-end=\"1623\">nh\u00f3m carboxylate (-COO\u207bNa\u207a)<\/strong>, gi\u00fap polymer c\u00f3 \u0111\u01b0\u1ee3c t\u00ednh ch\u1ea5t ion v\u00e0 kh\u1ea3 n\u0103ng h\u00fat n\u01b0\u1edbc.<\/p>\n<p data-start=\"1693\" data-end=\"2037\">\u1ede d\u1ea1ng kh\u00f4, n\u00f3 l\u00e0 m\u1ed9t ch\u1ea5t r\u1eafn m\u00e0u tr\u1eafng, d\u1ea1ng h\u1ea1t, kh\u00f4ng \u0111\u1ed9c h\u1ea1i. Khi ti\u1ebfp x\u00fac v\u1edbi n\u01b0\u1edbc, c\u00e1c ion natri b\u1ecb ph\u00e2n ly, v\u00e0 c\u00e1c nh\u00f3m carboxylat h\u00fat m\u1ea1nh c\u00e1c ph\u00e2n t\u1eed n\u01b0\u1edbc th\u00f4ng qua li\u00ean k\u1ebft hydro v\u00e0 t\u01b0\u01a1ng t\u00e1c t\u0129nh \u0111i\u1ec7n. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn s\u1ef1 h\u00ecnh th\u00e0nh m\u1ed9t <strong data-start=\"1965\" data-end=\"1994\">m\u1ea1ng l\u01b0\u1edbi hydrogel d\u1ea1ng gel<\/strong> c\u00f3 kh\u1ea3 n\u0103ng ch\u1ee9a \u0111\u01b0\u1ee3c l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng r\u1ea5t l\u1edbn.<\/p>\n<p data-start=\"2039\" data-end=\"2348\">\u0110i\u1ec1u quan tr\u1ecdng l\u00e0, natri polyacrylate kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t axit \u2014 n\u00f3 l\u00e0 <strong data-start=\"2095\" data-end=\"2130\">mu\u1ed1i natri c\u1ee7a axit polyacrylic<\/strong>, c\u00f3 ngh\u0129a l\u00e0 th\u00f4ng th\u01b0\u1eddng <strong data-start=\"2156\" data-end=\"2174\">h\u01a1i \u0111\u01a1n gi\u1ea3n<\/strong> ho\u1eb7c <strong data-start=\"2178\" data-end=\"2194\">g\u1ea7n nh\u01b0 trung l\u1eadp<\/strong> trong m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc (pH \u2248 6\u20138). T\u00ednh ch\u1ea5t ki\u1ec1m y\u1ebfu n\u00e0y khi\u1ebfn n\u00f3 \u00edt g\u00e2y \u0103n m\u00f2n h\u01a1n nhi\u1ec1u so v\u1edbi c\u00e1c axit ho\u1eb7c baz\u01a1 m\u1ea1nh c\u00f3 th\u1ec3 \u0103n m\u00f2n kim lo\u1ea1i tr\u1ef1c ti\u1ebfp.<\/p>\n<hr data-start=\"2350\" data-end=\"2353\" \/>\n<h3 data-start=\"2355\" data-end=\"2399\"><strong data-start=\"2359\" data-end=\"2399\">2. Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch chung v\u1edbi kim lo\u1ea1i<\/strong><\/h3>\n<p data-start=\"2401\" data-end=\"2505\">Trong h\u1ea7u h\u1ebft c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p v\u00e0 ti\u00eau d\u00f9ng, natri polyacrylat l\u00e0 <strong data-start=\"2470\" data-end=\"2496\">t\u01b0\u01a1ng th\u00edch v\u1edbi kim lo\u1ea1i<\/strong> ch\u1eb3ng h\u1ea1n nh\u01b0:<\/p>\n<ul data-start=\"2507\" data-end=\"3034\">\n<li data-start=\"2507\" data-end=\"2613\">\n<p data-start=\"2509\" data-end=\"2613\"><strong data-start=\"2509\" data-end=\"2539\">Th\u00e9p kh\u00f4ng g\u1ec9 (304\/316):<\/strong> Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n tuy\u1ec7t v\u1eddi; kh\u00f4ng quan s\u00e1t th\u1ea5y hi\u1ec7n t\u01b0\u1ee3ng \u0103n m\u00f2n \u0111\u00e1ng k\u1ec3 trong m\u00f4i tr\u01b0\u1eddng pH trung t\u00ednh.<\/p>\n<\/li>\n<li data-start=\"2614\" data-end=\"2770\">\n<p data-start=\"2616\" data-end=\"2770\"><strong data-start=\"2616\" data-end=\"2629\">Nh\u00f4m:<\/strong> S\u1ea3n ph\u1ea9m \u1ed5n \u0111\u1ecbnh trong m\u00f4i tr\u01b0\u1eddng kh\u00f4 ho\u1eb7c h\u01a1i \u1ea9m; vi\u1ec7c ti\u1ebfp x\u00fac k\u00e9o d\u00e0i v\u1edbi gel b\u1ecb ng\u1ea5m n\u01b0\u1edbc c\u00f3 th\u1ec3 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng oxy h\u00f3a c\u1ee5c b\u1ed9 do gi\u1eef \u1ea9m.<\/p>\n<\/li>\n<li data-start=\"2771\" data-end=\"2907\">\n<p data-start=\"2773\" data-end=\"2907\"><strong data-start=\"2773\" data-end=\"2794\">\u0110\u1ed3ng v\u00e0 \u0111\u1ed3ng thau:<\/strong> T\u00ecnh tr\u1ea1ng chung \u1ed5n \u0111\u1ecbnh; tuy nhi\u00ean, vi\u1ec7c oxy v\u00e0 n\u01b0\u1edbc b\u1ecb gi\u1eef l\u1ea1i trong gel c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn <strong data-start=\"2869\" data-end=\"2896\">qu\u00e1 tr\u00ecnh oxy h\u00f3a b\u1ec1 m\u1eb7t di\u1ec5n ra ch\u1eadm<\/strong> theo th\u1eddi gian.<\/p>\n<\/li>\n<li data-start=\"2908\" data-end=\"3034\">\n<p data-start=\"2910\" data-end=\"3034\"><strong data-start=\"2910\" data-end=\"2935\">Th\u00e9p kh\u00f4ng g\u1ec9 hay th\u00e9p carbon:<\/strong> Ti\u1ec1m n\u0103ng cho <strong data-start=\"2950\" data-end=\"2970\">qu\u00e1 tr\u00ecnh r\u1ec9 s\u00e9t gia t\u0103ng<\/strong> n\u1ebfu gel ti\u1ebfp x\u00fac l\u00e2u d\u00e0i v\u1edbi c\u00e1c b\u1ec1 m\u1eb7t kh\u00f4ng \u0111\u01b0\u1ee3c ph\u1ee7 l\u1edbp b\u1ea3o v\u1ec7.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3036\" data-end=\"3215\">\u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 b\u1ea3n th\u00e2n natri polyacrylat kh\u00f4ng <strong data-start=\"3088\" data-end=\"3109\">g\u00e2y \u0103n m\u00f2n h\u00f3a h\u1ecdc<\/strong> kim lo\u1ea1i, nh\u01b0ng n\u00f3 <strong data-start=\"3126\" data-end=\"3169\">c\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd v\u00e0 \u0111i\u1ec7n h\u00f3a<\/strong> c\u00f3 th\u1ec3 t\u00e1c \u0111\u1ed9ng gi\u00e1n ti\u1ebfp \u0111\u1ebfn c\u00e1c qu\u00e1 tr\u00ecnh \u0103n m\u00f2n.<\/p>\n<hr data-start=\"3217\" data-end=\"3220\" \/>\n<h3 data-start=\"3222\" data-end=\"3286\"><strong data-start=\"3226\" data-end=\"3286\">3. C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a natri polyacrylat <a href=\"http:\/\/redsacre.com\">\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 \u0103n m\u00f2n kim lo\u1ea1i<\/a><\/strong><\/h3>\n<p data-start=\"3288\" data-end=\"3426\">M\u1eb7c d\u00f9 natri polyacrylat kh\u00f4ng c\u00f3 t\u00ednh \u0103n m\u00f2n theo ngh\u0129a th\u00f4ng th\u01b0\u1eddng, nh\u01b0ng m\u1ed9t s\u1ed1 c\u01a1 ch\u1ebf c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn <strong data-start=\"3394\" data-end=\"3417\">s\u1ef1 \u0103n m\u00f2n th\u1ee9 c\u1ea5p<\/strong> t\u00e1c d\u1ee5ng:<\/p>\n<h4 data-start=\"3428\" data-end=\"3458\"><strong data-start=\"3433\" data-end=\"3458\">a. Kh\u1ea3 n\u0103ng gi\u1eef \u1ea9m<\/strong><\/h4>\n<p data-start=\"3460\" data-end=\"3719\">\u0110\u1eb7c t\u00ednh n\u1ed5i b\u1eadt c\u1ee7a polymer\u2014kh\u1ea3 n\u0103ng gi\u1eef n\u01b0\u1edbc\u2014l\u00e0 con dao hai l\u01b0\u1ee1i. Khi gel n\u1edf ra v\u00e0 b\u00e1m d\u00ednh v\u00e0o b\u1ec1 m\u1eb7t kim lo\u1ea1i, n\u00f3 <strong data-start=\"3596\" data-end=\"3616\">gi\u1eef \u1ea9m<\/strong> ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi kim lo\u1ea1i, gi\u00fap gi\u1ea3m s\u1ef1 bay h\u01a1i v\u00e0 t\u1ea1o ra <strong data-start=\"3685\" data-end=\"3716\">c\u00e1c m\u00f4i tr\u01b0\u1eddng vi m\u00f4 c\u1ee5c b\u1ed9<\/strong>.<\/p>\n<p data-start=\"3721\" data-end=\"3945\">N\u1ebfu c\u00f3 oxy, nh\u1eefng v\u00f9ng \u1ea9m \u01b0\u1edbt n\u00e0y c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh <strong data-start=\"3777\" data-end=\"3816\">c\u00e1c v\u1ecb tr\u00ed b\u1ecb \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a<\/strong>, \u0111\u1eb7c bi\u1ec7t l\u00e0 tr\u00ean c\u00e1c kim lo\u1ea1i nh\u01b0 s\u1eaft v\u00e0 nh\u00f4m. Theo th\u1eddi gian, nh\u1eefng t\u00ecnh tr\u1ea1ng n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn <strong data-start=\"3908\" data-end=\"3919\">s\u1ef1 \u0103n m\u00f2n l\u1ed7<\/strong> ho\u1eb7c <strong data-start=\"3923\" data-end=\"3944\">qu\u00e1 tr\u00ecnh oxy h\u00f3a b\u1ec1 m\u1eb7t<\/strong>.<\/p>\n<h4 data-start=\"3947\" data-end=\"3979\"><strong data-start=\"3952\" data-end=\"3979\">b. S\u1ef1 di chuy\u1ec3n c\u1ee7a ion natri<\/strong><\/h4>\n<p data-start=\"3981\" data-end=\"4288\">Khi h\u00f2a tan ho\u1eb7c n\u1edf ra trong n\u01b0\u1edbc, natri polyacrylat s\u1ebd gi\u1ea3i ph\u00f3ng <strong data-start=\"4046\" data-end=\"4058\">C\u00e1c ion Na\u207a<\/strong>. B\u1ea3n th\u00e2n c\u00e1c ion natri kh\u00f4ng c\u00f3 t\u00ednh \u0103n m\u00f2n cao, nh\u01b0ng ch\u00fang c\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i \u0111\u1ed9 m\u1ea1nh ion v\u00e0 \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n c\u1ee7a dung d\u1ecbch xung quanh, <strong data-start=\"4193\" data-end=\"4245\">t\u0103ng t\u1ed1c c\u00e1c ph\u1ea3n \u1ee9ng \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a<\/strong>\u2014\u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c h\u1ec7 th\u1ed1ng ch\u1ee9a clorua.<\/p>\n<h4 data-start=\"4290\" data-end=\"4326\"><strong data-start=\"4295\" data-end=\"4326\">c. pH v\u00e0 t\u00e1c d\u1ee5ng \u0111\u1ec7m<\/strong><\/h4>\n<p data-start=\"4328\" data-end=\"4653\">C\u00e1c dung d\u1ecbch natri polyacrylat m\u1edbi pha th\u01b0\u1eddng c\u00f3 \u0111\u1ed9 pH g\u1ea7n trung t\u00ednh ho\u1eb7c h\u01a1i ki\u1ec1m. Tuy nhi\u00ean, khi ti\u1ebfp x\u00fac l\u00e2u d\u00e0i v\u1edbi CO\u2082 ho\u1eb7c c\u00e1c axit trong m\u00f4i tr\u01b0\u1eddng, polymer c\u00f3 th\u1ec3 b\u1ecb ph\u00e2n h\u1ee7y m\u1ed9t ph\u1ea7n <strong data-start=\"4516\" data-end=\"4549\">chuy\u1ec3n \u0111\u1ed5i tr\u1edf l\u1ea1i th\u00e0nh axit polyacrylic<\/strong>, l\u00e0m gi\u1ea3m \u0111\u1ed9 pH. M\u00f4i tr\u01b0\u1eddng vi m\u00f4 c\u00f3 t\u00ednh axit sau \u0111\u00f3 c\u00f3 th\u1ec3 th\u00fac \u0111\u1ea9y <strong data-start=\"4610\" data-end=\"4630\">s\u1ef1 \u0103n m\u00f2n do axit<\/strong> tr\u00ean c\u00e1c kim lo\u1ea1i d\u1ec5 b\u1ecb \u0103n m\u00f2n.<\/p>\n<h4 data-start=\"4655\" data-end=\"4689\"><strong data-start=\"4660\" data-end=\"4689\">d. Qu\u00e1 tr\u00ecnh h\u00ecnh th\u00e0nh m\u00e0ng h\u1eefu c\u01a1<\/strong><\/h4>\n<p data-start=\"4691\" data-end=\"5075\">M\u1eb7t t\u00edch c\u1ef1c l\u00e0, m\u1ed9t s\u1ed1 nghi\u00ean c\u1ee9u cho th\u1ea5y c\u00e1c ph\u00e2n t\u1eed polyacrylate c\u00f3 th\u1ec3 <strong data-start=\"4763\" data-end=\"4793\">h\u1ea5p ph\u1ee5 l\u00ean b\u1ec1 m\u1eb7t kim lo\u1ea1i<\/strong>, t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp m\u00e0ng h\u1eefu c\u01a1 m\u1ecfng m\u00e0 <strong data-start=\"4828\" data-end=\"4850\">ng\u0103n ch\u1eb7n s\u1ef1 \u0103n m\u00f2n<\/strong> b\u1eb1ng c\u00e1ch ng\u0103n ch\u1eb7n s\u1ef1 khu\u1ebfch t\u00e1n c\u1ee7a oxy v\u00e0 c\u00e1c ion. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y th\u01b0\u1eddng g\u1eb7p h\u01a1n trong c\u00e1c dung d\u1ecbch polymer lo\u00e3ng v\u00e0 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong <strong data-start=\"4968\" data-end=\"4995\">h\u1ec7 th\u1ed1ng x\u1eed l\u00fd n\u01b0\u1edbc<\/strong>, trong \u0111\u00f3 c\u00e1c polyacrylate \u0111\u00f3ng vai tr\u00f2 l\u00e0 <strong data-start=\"5024\" data-end=\"5048\">ch\u1ea5t \u1ee9c ch\u1ebf \u0103n m\u00f2n<\/strong> v\u00e0 <strong data-start=\"5053\" data-end=\"5074\">ch\u1ea5t ph\u00e2n t\u00e1n d\u1ea1ng h\u1ea1t<\/strong>.<\/p>\n<hr data-start=\"5077\" data-end=\"5080\" \/>\n<h3 data-start=\"5082\" data-end=\"5132\"><strong data-start=\"5086\" data-end=\"5132\">4. C\u00e1c nghi\u00ean c\u1ee9u \u0111i\u1ec3n h\u00ecnh t\u1eeb ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 l\u0129nh v\u1ef1c nghi\u00ean c\u1ee9u<\/strong><\/h3>\n<h4 data-start=\"5134\" data-end=\"5175\"><strong data-start=\"5139\" data-end=\"5175\">(i) \u1ee8ng d\u1ee5ng trong x\u1eed l\u00fd n\u01b0\u1edbc<\/strong><\/h4>\n<p data-start=\"5177\" data-end=\"5421\">Trong c\u00e1c h\u1ec7 th\u1ed1ng n\u1ed3i h\u01a1i v\u00e0 l\u00e0m m\u00e1t, c\u00e1c d\u1eabn xu\u1ea5t c\u1ee7a natri polyacrylat th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m <strong data-start=\"5263\" data-end=\"5279\">ch\u1ea5t ch\u1ed1ng k\u1ebft t\u1ee7a<\/strong> v\u00e0 <strong data-start=\"5284\" data-end=\"5299\">ch\u1ea5t ph\u00e2n t\u00e1n<\/strong>. C\u00e1c h\u1ee3p ch\u1ea5t n\u00e0y gi\u00fap ng\u0103n ng\u1eeba s\u1ef1 t\u00edch t\u1ee5 kho\u00e1ng ch\u1ea5t (v\u00ed d\u1ee5: canxi cacbonat ho\u1eb7c magi\u00ea silicat) tr\u00ean c\u00e1c b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t b\u1eb1ng kim lo\u1ea1i.<\/p>\n<p data-start=\"5423\" data-end=\"5681\">\u1ede \u0111\u00e2y, \u0111i\u1ec7n t\u00edch \u00e2m c\u1ee7a polymer gi\u00fap <strong data-start=\"5465\" data-end=\"5488\">ph\u00e2n t\u00e1n c\u00e1c ion kim lo\u1ea1i<\/strong> v\u00e0o dung d\u1ecbch, gi\u00fap ng\u0103n ng\u1eeba s\u1ef1 h\u00ecnh th\u00e0nh c\u1eb7n v\u00f4i thay v\u00ec \u0103n m\u00f2n b\u1ec1 m\u1eb7t kim lo\u1ea1i. Tr\u00ean th\u1ef1c t\u1ebf, nhi\u1ec1u c\u00f4ng th\u1ee9c k\u1ebft h\u1ee3p natri polyacrylat v\u1edbi c\u00e1c h\u1ee3p ch\u1ea5t phosphonat \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n.<\/p>\n<h4 data-start=\"5683\" data-end=\"5728\"><strong data-start=\"5688\" data-end=\"5728\">(ii) Hydrogel trong n\u00f4ng nghi\u1ec7p v\u00e0 \u0111\u1ea5t<\/strong><\/h4>\n<p data-start=\"5730\" data-end=\"6041\">C\u00e1c lo\u1ea1i polymer si\u00eau th\u1ea5m (SAP) d\u00f9ng trong n\u00f4ng nghi\u1ec7p \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1eeb natri polyacrylate \u0111\u00f4i khi \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n ho\u1eb7c s\u1eed d\u1ee5ng trong <strong data-start=\"5839\" data-end=\"5859\">h\u1ed9p kim lo\u1ea1i<\/strong> ho\u1eb7c g\u1ea7n c\u00e1c thi\u1ebft b\u1ecb t\u01b0\u1edbi ti\u00eau. C\u00e1c quan s\u00e1t trong th\u1eddi gian d\u00e0i cho th\u1ea5y c\u00e1c ph\u1ee5 ki\u1ec7n kim lo\u1ea1i kh\u00f4ng b\u1ecb h\u01b0 h\u1ea1i \u0111\u00e1ng k\u1ec3, mi\u1ec5n l\u00e0 v\u1eadt li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ec3 trong <strong data-start=\"5996\" data-end=\"6027\">lu\u00f4n \u1ea9m \u01b0\u1edbt, gi\u00e0u oxy<\/strong> \u0111i\u1ec1u ki\u1ec7n.<\/p>\n<p data-start=\"6043\" data-end=\"6221\">S\u1ef1 \u0103n m\u00f2n th\u01b0\u1eddng ch\u1ec9 x\u1ea3y ra khi <strong data-start=\"6078\" data-end=\"6114\">n\u01b0\u1edbc oxy h\u00f3a v\u1eabn b\u1ecb gi\u1eef l\u1ea1i<\/strong> d\u01b0\u1edbi l\u1edbp gel trong th\u1eddi gian d\u00e0i \u2014 v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 m\u1ed9t <strong data-start=\"6170\" data-end=\"6190\">v\u1ea5n \u0111\u1ec1 v\u1ec1 \u0111\u1ed9 \u1ea9m<\/strong> thay v\u00ec m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng h\u00f3a h\u1ecdc.<\/p>\n<h4 data-start=\"6223\" data-end=\"6266\"><strong data-start=\"6228\" data-end=\"6266\">(iii) T\u00e3 l\u00f3t v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m v\u1ec7 sinh<\/strong><\/h4>\n<p data-start=\"6268\" data-end=\"6629\">Trong c\u00e1c s\u1ea3n ph\u1ea9m ti\u00eau d\u00f9ng nh\u01b0 t\u00e3 l\u00f3t, polymer \u0111\u01b0\u1ee3c bao b\u1ecdc v\u00e0 s\u1eed d\u1ee5ng trong <strong data-start=\"6343\" data-end=\"6387\">ti\u1ebfp x\u00fac v\u1edbi l\u00e1 kim lo\u1ea1i, d\u00e2y \u0111i\u1ec7n v\u00e0 ch\u1ea5t k\u1ebft d\u00ednh<\/strong>. Kh\u00f4ng quan s\u00e1t th\u1ea5y t\u00e1c \u0111\u1ed9ng \u0103n m\u00f2n n\u00e0o do gel \u0111\u01b0\u1ee3c c\u00e1ch ly v\u1edbi kim lo\u1ea1i b\u1edfi c\u00e1c l\u1edbp v\u1ea3i, v\u00e0 th\u1eddi gian ti\u1ebfp x\u00fac ng\u1eafn. \u0110i\u1ec1u n\u00e0y c\u00e0ng c\u1ee7ng c\u1ed1 th\u00eam k\u1ebft lu\u1eadn r\u1eb1ng natri polyacrylate l\u00e0 <strong data-start=\"6582\" data-end=\"6598\">kh\u00f4ng ph\u1ea3n \u1ee9ng<\/strong> \u0111\u1ed1i v\u1edbi c\u00e1c kim lo\u1ea1i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn.<\/p>\n<hr data-start=\"6631\" data-end=\"6634\" \/>\n<h3 data-start=\"6636\" data-end=\"6679\"><strong data-start=\"6640\" data-end=\"6679\">5. H\u1ed3 s\u01a1 v\u1ec1 m\u00f4i tr\u01b0\u1eddng v\u00e0 an to\u00e0n<\/strong><\/h3>\n<p data-start=\"6681\" data-end=\"6870\">Natri polyacrylate l\u00e0 <strong data-start=\"6704\" data-end=\"6717\">kh\u00f4ng \u0111\u1ed9c h\u1ea1i<\/strong>, <strong data-start=\"6719\" data-end=\"6736\">kh\u00f4ng ch\u00e1y<\/strong>v\u00e0 <strong data-start=\"6742\" data-end=\"6763\">\u1ed5n \u0111\u1ecbnh v\u1ec1 m\u1eb7t h\u00f3a h\u1ecdc<\/strong> \u1edf nhi\u1ec7t \u0111\u1ed9 b\u00ecnh th\u01b0\u1eddng. Qu\u00e1 tr\u00ecnh ph\u00e2n h\u1ee7y c\u1ee7a n\u00f3 \u0111\u00f2i h\u1ecfi nhi\u1ec7t \u0111\u1ed9 cao (&gt; 350 \u00b0C) ho\u1eb7c \u0111i\u1ec1u ki\u1ec7n oxy h\u00f3a m\u1ea1nh.<\/p>\n<p data-start=\"6872\" data-end=\"7139\">T\u1eeb g\u00f3c \u0111\u1ed9 \u0103n m\u00f2n, t\u00ednh \u1ed5n \u0111\u1ecbnh n\u00e0y c\u00f3 ngh\u0129a l\u00e0 n\u00f3 kh\u00f4ng t\u1ea1o ra <strong data-start=\"6943\" data-end=\"6961\">kh\u00ed ph\u1ea3n \u1ee9ng<\/strong> ho\u1eb7c <strong data-start=\"6965\" data-end=\"6986\">s\u1ea3n ph\u1ea9m ph\u1ee5 c\u00f3 t\u00ednh axit<\/strong> c\u00f3 kh\u1ea3 n\u0103ng \u0103n m\u00f2n kim lo\u1ea1i. H\u1ee3p ch\u1ea5t n\u00e0y c\u0169ng kh\u00f4ng ch\u1ee9a c\u00e1c nguy\u00ean t\u1eed halogen (v\u00ed d\u1ee5 nh\u01b0 clo ho\u1eb7c flo), v\u1ed1n th\u01b0\u1eddng l\u00e0 nguy\u00ean nh\u00e2n g\u00e2y ra t\u00ednh \u0103n m\u00f2n trong c\u00e1c h\u1ee3p ch\u1ea5t kh\u00e1c.<\/p>\n<p data-start=\"7141\" data-end=\"7386\">Tuy nhi\u00ean, do kh\u1ea3 n\u0103ng h\u00fat n\u01b0\u1edbc r\u1ea5t t\u1ed1t, v\u1eadt li\u1ec7u n\u00e0y c\u00f3 th\u1ec3 <strong data-start=\"7208\" data-end=\"7238\">t\u1ea1o ra c\u00e1c vi kh\u00ed h\u1eadu \u1ea9m \u01b0\u1edbt<\/strong> g\u00e2y \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a vi sinh v\u1eadt ho\u1eb7c s\u1ef1 ng\u01b0ng t\u1ee5 tr\u00ean c\u00e1c b\u1ec1 m\u1eb7t l\u00e2n c\u1eadn\u2014nh\u1eefng \u0111i\u1ec1u ki\u1ec7n c\u00f3 th\u1ec3 gi\u00e1n ti\u1ebfp d\u1eabn \u0111\u1ebfn <strong data-start=\"7343\" data-end=\"7359\">s\u1ef1 \u0103n m\u00f2n sinh h\u1ecdc<\/strong> ho\u1eb7c <strong data-start=\"7363\" data-end=\"7385\">s\u1ef1 x\u1ec9n m\u00e0u b\u1ec1 m\u1eb7t<\/strong>.<\/p>\n<hr data-start=\"7388\" data-end=\"7391\" \/>\n<h3 data-start=\"7393\" data-end=\"7440\"><strong data-start=\"7397\" data-end=\"7440\">6. C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 t\u01b0\u01a1ng th\u00edch<\/strong><\/h3>\n<p data-start=\"7442\" data-end=\"7552\">C\u00f3 m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh li\u1ec7u natri polyacrylate s\u1ebd v\u1eabn v\u00f4 h\u1ea1i hay tr\u1edf th\u00e0nh t\u00e1c nh\u00e2n g\u00e2y \u0103n m\u00f2n:<\/p>\n<div class=\"_tableContainer_1rjym_1\">\n<div class=\"group _tableWrapper_1rjym_13 flex w-fit flex-col-reverse\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"7554\" data-end=\"8102\">\n<thead data-start=\"7554\" data-end=\"7599\">\n<tr data-start=\"7554\" data-end=\"7599\">\n<th data-start=\"7554\" data-end=\"7567\" data-col-size=\"sm\"><strong data-start=\"7556\" data-end=\"7566\">Y\u1ebfu t\u1ed1<\/strong><\/th>\n<th data-start=\"7567\" data-end=\"7599\" data-col-size=\"md\"><strong data-start=\"7569\" data-end=\"7597\">\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn nguy c\u01a1 \u0103n m\u00f2n<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"7646\" data-end=\"8102\">\n<tr data-start=\"7646\" data-end=\"7721\">\n<td data-start=\"7646\" data-end=\"7666\" data-col-size=\"sm\"><strong data-start=\"7648\" data-end=\"7665\">H\u00e0m l\u01b0\u1ee3ng n\u01b0\u1edbc<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"7666\" data-end=\"7721\">Kh\u1ea3 n\u0103ng gi\u1eef n\u01b0\u1edbc cao l\u00e0m t\u0103ng nguy c\u01a1 \u0103n m\u00f2n.<\/td>\n<\/tr>\n<tr data-start=\"7722\" data-end=\"7797\">\n<td data-start=\"7722\" data-end=\"7740\" data-col-size=\"sm\"><strong data-start=\"7724\" data-end=\"7739\">Nhi\u1ec7t \u0111\u1ed9<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"7740\" data-end=\"7797\">Nhi\u1ec7t \u0111\u1ed9 cao l\u00e0m t\u0103ng t\u1ed1c \u0111\u1ed9 c\u00e1c ph\u1ea3n \u1ee9ng oxy h\u00f3a.<\/td>\n<\/tr>\n<tr data-start=\"7798\" data-end=\"7868\">\n<td data-start=\"7798\" data-end=\"7815\" data-col-size=\"sm\"><strong data-start=\"7800\" data-end=\"7814\">S\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9 pH<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"7815\" data-end=\"7868\">S\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9 axit (pH &lt; 6) l\u00e0m t\u0103ng qu\u00e1 tr\u00ecnh h\u00f2a tan kim lo\u1ea1i.<\/td>\n<\/tr>\n<tr data-start=\"7869\" data-end=\"7948\">\n<td data-start=\"7869\" data-end=\"7886\" data-col-size=\"sm\"><strong data-start=\"7871\" data-end=\"7885\">Lo\u1ea1i kim lo\u1ea1i<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"7886\" data-end=\"7948\">S\u1eaft v\u00e0 <a href=\"http:\/\/kingsmg.com\">nh\u00f4m<\/a> nh\u1ea1y c\u1ea3m h\u01a1n th\u00e9p kh\u00f4ng g\u1ec9.<\/td>\n<\/tr>\n<tr data-start=\"7949\" data-end=\"8029\">\n<td data-start=\"7949\" data-end=\"7969\" data-col-size=\"sm\"><strong data-start=\"7951\" data-end=\"7968\">Th\u1eddi gian ph\u01a1i s\u00e1ng<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"7969\" data-end=\"8029\">Ti\u1ebfp x\u00fac trong th\u1eddi gian d\u00e0i l\u00e0m t\u0103ng nguy c\u01a1 b\u1ecb \u0103n m\u00f2n c\u1ee5c b\u1ed9.<\/td>\n<\/tr>\n<tr data-start=\"8030\" data-end=\"8102\">\n<td data-start=\"8030\" data-end=\"8046\" data-col-size=\"sm\"><strong data-start=\"8032\" data-end=\"8045\">Ph\u1ee5 gia<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"8046\" data-end=\"8102\">S\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a clorua ho\u1eb7c axit c\u00f3 th\u1ec3 l\u00e0m tr\u1ea7m tr\u1ecdng th\u00eam t\u00ecnh tr\u1ea1ng \u0103n m\u00f2n.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p data-start=\"8104\" data-end=\"8342\">Tr\u00ean th\u1ef1c t\u1ebf, <strong data-start=\"8124\" data-end=\"8146\">li\u00ean h\u1ec7 ng\u1eafn h\u1ea1n<\/strong> s\u1ef1 ti\u1ebfp x\u00fac gi\u1eefa gel polyacrylate natri v\u00e0 kim lo\u1ea1i l\u00e0 an to\u00e0n, nh\u01b0ng <strong data-start=\"8204\" data-end=\"8238\">l\u01b0u tr\u1eef l\u00e2u d\u00e0i ho\u1eb7c ng\u00e2m<\/strong> n\u00ean tr\u00e1nh tr\u1eeb khi c\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i \u0111\u01b0\u1ee3c ph\u1ee7 l\u1edbp b\u1ea3o v\u1ec7, x\u1eed l\u00fd th\u1ee5 \u0111\u1ed9ng ho\u1eb7c l\u00e0m t\u1eeb h\u1ee3p kim ch\u1ed1ng \u0103n m\u00f2n.<\/p>\n<hr data-start=\"8344\" data-end=\"8347\" \/>\n<h3 data-start=\"8349\" data-end=\"8396\"><strong data-start=\"8353\" data-end=\"8396\">7. C\u00e1c chi\u1ebfn l\u01b0\u1ee3c ph\u00f2ng ng\u1eeba v\u00e0 gi\u1ea3m thi\u1ec3u<\/strong><\/h3>\n<p data-start=\"8398\" data-end=\"8529\">N\u1ebfu b\u1eaft bu\u1ed9c ph\u1ea3i s\u1eed d\u1ee5ng ho\u1eb7c b\u1ea3o qu\u1ea3n natri polyacrylate g\u1ea7n c\u00e1c ph\u1ee5 ki\u1ec7n kim lo\u1ea1i, c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n m\u1ed9t s\u1ed1 bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba \u0111\u1ec3 gi\u1ea3m thi\u1ec3u nguy c\u01a1 \u0103n m\u00f2n:<\/p>\n<ol data-start=\"8531\" data-end=\"9173\">\n<li data-start=\"8531\" data-end=\"8638\">\n<p data-start=\"8534\" data-end=\"8638\"><strong data-start=\"8534\" data-end=\"8571\">S\u1eed d\u1ee5ng v\u1eadt li\u1ec7u ch\u1ed1ng \u0103n m\u00f2n<\/strong> ch\u1eb3ng h\u1ea1n nh\u01b0 th\u00e9p kh\u00f4ng g\u1ec9, v\u1eadt li\u1ec7u composite polymer ho\u1eb7c nh\u00f4m tr\u00e1ng ph\u1ee7.<\/p>\n<\/li>\n<li data-start=\"8639\" data-end=\"8741\">\n<p data-start=\"8642\" data-end=\"8741\"><strong data-start=\"8642\" data-end=\"8669\">Tr\u00e1nh \u0111\u1ec3 h\u01a1i \u1ea9m \u0111\u1ecdng l\u1ea1i<\/strong>\u2014\u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng tho\u00e1t n\u01b0\u1edbc v\u00e0 th\u00f4ng gi\u00f3 xung quanh c\u00e1c h\u1ec7 th\u1ed1ng ch\u1ee9a gel \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u00fang c\u00e1ch.<\/p>\n<\/li>\n<li data-start=\"8742\" data-end=\"8816\">\n<p data-start=\"8745\" data-end=\"8816\"><strong data-start=\"8745\" data-end=\"8768\">Duy tr\u00ec \u0111\u1ed9 pH trung t\u00ednh<\/strong>\u2014ng\u0103n ch\u1eb7n s\u1ef1 h\u1ea5p th\u1ee5 CO\u2082 ho\u1eb7c \u00f4 nhi\u1ec5m axit.<\/p>\n<\/li>\n<li data-start=\"8817\" data-end=\"8914\">\n<p data-start=\"8820\" data-end=\"8914\"><strong data-start=\"8820\" data-end=\"8844\">R\u1eeda s\u1ea1ch c\u00e1c b\u1ec1 m\u1eb7t kim lo\u1ea1i<\/strong> sau khi v\u00f4 t\u00ecnh ti\u1ebfp x\u00fac v\u1edbi polymer, \u0111\u1eb7c bi\u1ec7t l\u00e0 v\u1edbi c\u00e1c lo\u1ea1i gel n\u01b0\u1edbc ng\u1ecdt.<\/p>\n<\/li>\n<li data-start=\"8915\" data-end=\"9022\">\n<p data-start=\"8918\" data-end=\"9022\"><strong data-start=\"8918\" data-end=\"8947\">\u00c1p d\u1ee5ng l\u1edbp ph\u1ee7 b\u1ea3o v\u1ec7<\/strong> (s\u01a1n epoxy, l\u1edbp ph\u1ee7 ch\u1ed1ng \u0103n m\u00f2n ho\u1eb7c x\u1eed l\u00fd anot h\u00f3a) l\u00ean c\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i d\u1ec5 b\u1ecb h\u01b0 h\u1ecfng.<\/p>\n<\/li>\n<li data-start=\"9023\" data-end=\"9173\">\n<p data-start=\"9026\" data-end=\"9173\"><strong data-start=\"9026\" data-end=\"9054\">Th\u00eam ch\u1ea5t \u1ee9c ch\u1ebf \u0103n m\u00f2n<\/strong>\u2014Trong c\u00e1c c\u00f4ng th\u1ee9c c\u00f4ng nghi\u1ec7p, ng\u01b0\u1eddi ta th\u01b0\u1eddng th\u00eam m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf ph\u1ed1t ph\u00e1t ho\u1eb7c silicat \u0111\u1ec3 \u1ed5n \u0111\u1ecbnh b\u1ec1 m\u1eb7t kim lo\u1ea1i.<\/p>\n<\/li>\n<\/ol>\n<p data-start=\"9175\" data-end=\"9301\">B\u1eb1ng c\u00e1ch ki\u1ec3m so\u00e1t c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y, natri polyacrylate c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng m\u1ed9t c\u00e1ch an to\u00e0n trong nhi\u1ec1u l\u0129nh v\u1ef1c li\u00ean quan \u0111\u1ebfn kim lo\u1ea1i.<\/p>\n<hr data-start=\"9303\" data-end=\"9306\" \/>\n<h3 data-start=\"9308\" data-end=\"9342\"><strong data-start=\"9312\" data-end=\"9342\">8. T\u00f3m t\u1eaft v\u00e0 K\u1ebft lu\u1eadn<\/strong><\/h3>\n<p data-start=\"9344\" data-end=\"9753\">Natri polyacrylate l\u00e0 <strong data-start=\"9367\" data-end=\"9395\">kh\u00f4ng g\u00e2y \u0103n m\u00f2n h\u00f3a h\u1ecdc<\/strong> \u0111\u1ed1i v\u1edbi kim lo\u1ea1i trong \u0111i\u1ec1u ki\u1ec7n b\u00ecnh th\u01b0\u1eddng. N\u00f3 thi\u1ebfu c\u00e1c axit m\u1ea1nh, baz\u01a1 m\u1ea1nh ho\u1eb7c c\u00e1c ch\u1ea5t ph\u1ea3n \u1ee9ng c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1 v\u1ee1 li\u00ean k\u1ebft kim lo\u1ea1i. Tuy nhi\u00ean, do <strong data-start=\"9542\" data-end=\"9574\">c\u00f3 kh\u1ea3 n\u0103ng gi\u1eef l\u01b0\u1ee3ng n\u01b0\u1edbc l\u1edbn<\/strong> v\u00e0 bao g\u1ed3m <strong data-start=\"9588\" data-end=\"9610\">c\u00e1c ion natri di \u0111\u1ed9ng<\/strong>, n\u00f3 c\u00f3 th\u1ec3 gi\u00e1n ti\u1ebfp <strong data-start=\"9630\" data-end=\"9670\">g\u00e2y ra s\u1ef1 \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a<\/strong>\u2014\u0111\u1eb7c bi\u1ec7t l\u00e0 khi h\u01a1i \u1ea9m b\u1ecb gi\u1eef l\u1ea1i tr\u00ean b\u1ec1 m\u1eb7t kim lo\u1ea1i trong th\u1eddi gian d\u00e0i.<\/p>\n<p data-start=\"9755\" data-end=\"9989\">Trong th\u1ef1c ti\u1ec5n c\u00f4ng nghi\u1ec7p, polymer \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn r\u1ed9ng r\u00e3i l\u00e0 <strong data-start=\"9815\" data-end=\"9835\">t\u01b0\u01a1ng th\u00edch v\u1edbi kim lo\u1ea1i<\/strong>, \u0111\u1eb7c bi\u1ec7t l\u00e0 v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9 v\u00e0 c\u00e1c v\u1eadt li\u1ec7u c\u00f3 l\u1edbp ph\u1ee7. Ch\u1ec9 <strong data-start=\"9896\" data-end=\"9928\">s\u1eaft ho\u1eb7c nh\u00f4m kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7<\/strong> C\u00e1c s\u1ea3n ph\u1ea9m ti\u1ebfp x\u00fac v\u1edbi gel \u1ea9m trong th\u1eddi gian d\u00e0i c\u00f3 nguy c\u01a1 b\u1ecb oxy h\u00f3a nh\u1eb9.<\/p>\n<p data-start=\"9991\" data-end=\"10004\">T\u00f3m l\u1ea1i:<\/p>\n<ul data-start=\"10006\" data-end=\"10275\">\n<li data-start=\"10006\" data-end=\"10089\">\n<p data-start=\"10008\" data-end=\"10089\"><strong data-start=\"10008\" data-end=\"10033\">Kh\u1ea3 n\u0103ng ph\u1ea3n \u1ee9ng n\u1ed9i t\u1ea1i:<\/strong> R\u1ea5t th\u1ea5p; b\u1ea3n th\u00e2n polymer l\u00e0 ch\u1ea5t \u1ed5n \u0111\u1ecbnh v\u00e0 kh\u00f4ng g\u00e2y \u0103n m\u00f2n.<\/p>\n<\/li>\n<li data-start=\"10090\" data-end=\"10181\">\n<p data-start=\"10092\" data-end=\"10181\"><strong data-start=\"10092\" data-end=\"10113\">T\u00e1c \u0111\u1ed9ng gi\u00e1n ti\u1ebfp:<\/strong> C\u00f3 th\u1ec3 b\u1ecb r\u1ec9 s\u00e9t ho\u1eb7c \u0103n m\u00f2n do \u1ea9m \u01b0\u1edbt trong th\u1eddi gian d\u00e0i.<\/p>\n<\/li>\n<li data-start=\"10182\" data-end=\"10275\">\n<p data-start=\"10184\" data-end=\"10275\"><strong data-start=\"10184\" data-end=\"10202\">Th\u1ef1c ti\u1ec5n t\u1ed1t nh\u1ea5t:<\/strong> Tr\u00e1nh \u0111\u1ec3 b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ed9 \u1ea9m trong th\u1eddi gian d\u00e0i v\u00e0 \u0111\u1ea3m b\u1ea3o b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t \u0111\u1ea7y \u0111\u1ee7.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"10277\" data-end=\"10475\">Do \u0111\u00f3, n\u1ebfu \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u0111\u00fang c\u00e1ch, natri polyacrylat l\u00e0 <strong data-start=\"10334\" data-end=\"10370\">an to\u00e0n khi s\u1eed d\u1ee5ng v\u1edbi c\u00e1c ph\u1ee5 ki\u1ec7n kim lo\u1ea1i<\/strong> v\u00e0 v\u1eabn l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong c\u00e1c c\u00f4ng ngh\u1ec7 qu\u1ea3n l\u00fd n\u01b0\u1edbc, v\u1ec7 sinh v\u00e0 m\u00f4i tr\u01b0\u1eddng hi\u1ec7n \u0111\u1ea1i.<\/p>\n<hr data-start=\"10477\" data-end=\"10480\" \/>\n<h3 data-start=\"10482\" data-end=\"10505\"><strong data-start=\"10486\" data-end=\"10505\">9. \u0110i\u1ec3m ch\u00ednh<\/strong><\/h3>\n<p data-start=\"10507\" data-end=\"10894\">Natri polyacrylate c\u00f3 t\u00ednh ch\u1ea5t gi\u1ed1ng nh\u01b0 m\u1ed9t <strong data-start=\"10542\" data-end=\"10577\">b\u1ecdt bi\u1ec3n trung t\u00ednh, c\u00f3 kh\u1ea3 n\u0103ng gi\u1eef n\u01b0\u1edbc<\/strong>\u2014nh\u1eb9 nh\u00e0ng v\u1ec1 m\u1eb7t h\u00f3a h\u1ecdc nh\u01b0ng b\u1ec1n v\u1eefng v\u1ec1 m\u1eb7t v\u1eadt l\u00fd. Kim lo\u1ea1i kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a polymer, m\u00e0 l\u00e0 do <strong data-start=\"10696\" data-end=\"10722\">n\u01b0\u1edbc m\u00e0 n\u00f3 r\u1ea5t th\u00edch gi\u1eef<\/strong>. Vi\u1ec7c hi\u1ec3u r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y gi\u00fap c\u1ea3 c\u00e1c k\u1ef9 s\u01b0 l\u1eabn ng\u01b0\u1eddi ti\u00eau d\u00f9ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u tuy\u1ec7t v\u1eddi n\u00e0y m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 \u0111\u1ed3ng th\u1eddi gi\u1eef cho c\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i c\u1ee7a h\u1ecd lu\u00f4n \u1edf trong t\u00ecnh tr\u1ea1ng ho\u00e0n h\u1ea3o.<\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction Sodium polyacrylate (chemical formula: (C3H3NaO2)n(C_3H_3NaO_2)_n(C3\u200bH3\u200bNaO2\u200b)n\u200b) is one of the most widely used superabsorbent polymers in modern materials science. Known [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2337,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[3],"tags":[],"class_list":["post-6921","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Introduction Sodium polyacrylate (chemical formula: (C3H3NaO2)n(C_3H_3NaO_2)_n(C3\u200bH3\u200bNaO2\u200b)n\u200b) is one of the most widely used superabsorbent polymers in modern materials science. 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M\u1ed9t nghi\u00ean c\u1ee9u khoa h\u1ecdc - GELSAP Polymer si\u00eau th\u1ea5m","description":"Gi\u1edbi thi\u1ec7u Polyacrylate natri (c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc: (C\u2083H\u2083NaO\u2082)_n(C\u2083H\u2083NaO\u2082)_n(C\u2083H\u2083NaO\u2082)_n) l\u00e0 m\u1ed9t trong nh\u1eefng lo\u1ea1i polymer si\u00eau th\u1ea5m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t trong khoa h\u1ecdc v\u1eadt li\u1ec7u hi\u1ec7n \u0111\u1ea1i. \u0110\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 v\u00e0 gi\u1eef n\u01b0\u1edbc phi th\u01b0\u1eddng \u2014 th\u01b0\u1eddng g\u1ea5p h\u00e0ng tr\u0103m l\u1ea7n tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a ch\u00ednh n\u00f3 \u2014 lo\u1ea1i polymer n\u00e0y xu\u1ea5t hi\u1ec7n trong v\u00f4 s\u1ed1 \u1ee9ng d\u1ee5ng: t\u00e3 l\u00f3t, s\u1ea3n ph\u1ea9m v\u1ec7 sinh, ch\u1ea5t c\u1ea3i t\u1ea1o \u0111\u1ea5t n\u00f4ng nghi\u1ec7p, gel gi\u1eef n\u01b0\u1edbc, ch\u1ea5t t\u1ea9y r\u1eeda v\u00e0 th\u1eadm ch\u00ed c\u1ea3 x\u1eed l\u00fd n\u01b0\u1edbc c\u00f4ng nghi\u1ec7p","canonical_url":"https:\/\/saphydrogels.com\/vi\/does-sodium-polyacrylate-react-with-metal-fittings-a-scientific-exploration\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BlogPosting","@id":"https:\/\/saphydrogels.com\/vi\/does-sodium-polyacrylate-react-with-metal-fittings-a-scientific-exploration\/#blogposting","name":"Does Sodium Polyacrylate React with Metal Fittings? 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