{"id":110668,"date":"2021-08-31T13:55:10","date_gmt":"2021-08-31T05:55:10","guid":{"rendered":"https:\/\/www.alpapowder.com\/110668\/"},"modified":"2021-08-31T13:55:10","modified_gmt":"2021-08-31T05:55:10","slug":"dieu-che-va-ung-dung-nano-silica","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/110668\/","title":{"rendered":"\u0110i\u1ec1u ch\u1ebf v\u00e0 \u1ee9ng d\u1ee5ng nano-silica"},"content":{"rendered":"<p>Nano-silica l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u h\u00f3a h\u1ecdc v\u00f4 c\u01a1, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 &#8220;carbon \u0111en tr\u1eafng si\u00eau m\u1ecbn&#8221;. N\u00f3 l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u phi kim lo\u1ea1i v\u00f4 c\u01a1 kh\u00f4ng \u0111\u1ed9c h\u1ea1i, kh\u00f4ng m\u00f9i v\u00e0 kh\u00f4ng g\u00e2y \u00f4 nhi\u1ec5m v\u00e0 l\u00e0 v\u1eadt li\u1ec7u v\u00f4 c\u01a1 m\u1edbi si\u00eau m\u1ecbn c\u00f4ng ngh\u1ec7 cao. K\u00edch th\u01b0\u1edbc t\u1eeb 1 ~ 100nm, v\u00e0 n\u00f3 c\u00f3 c\u1ea5u tr\u00fac m\u1ea1ng ba chi\u1ec1u, d\u1ec5 k\u1ebft t\u1ee5 v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh l\u01b0u tr\u1eef k\u00e9m.<\/p>\n<p><img decoding=\"async\" class=\"wp-image-110625 size-full aligncenter\" src=\"https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/08\/nano-silica-1.jpg\" alt=\"\" width=\"1050\" height=\"410\" srcset=\"https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/08\/nano-silica-1.jpg 1050w, https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/08\/nano-silica-1-300x117.jpg 300w, https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/08\/nano-silica-1-1024x400.jpg 1024w, https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/08\/nano-silica-1-768x300.jpg 768w\" sizes=\"(max-width: 1050px) 100vw, 1050px\" \/><\/p>\n<table>\n<tbody>\n<tr>\n<td colspan=\"7\" width=\"1083\">\n<p style=\"text-align: center;\">C\u00e1c ch\u1ec9 ti\u00eau k\u1ef9 thu\u1eadt ch\u00ednh c\u1ee7a nano <a class=\"wpil_keyword_link\" href=\"https:\/\/www.alpapowder.com\/projects\/minerals\/\"   title=\"silica\" data-wpil-keyword-link=\"linked\">silica<\/a><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"154\"><span style=\"font-family: inherit; font-size: inherit;\">K\u00edch th\u01b0\u1edbc h\u1ea1t\/nm<\/span><\/td>\n<td width=\"154\">M\u1eadt \u0111\u1ed9\/g.cm<sup>-3<\/sup><\/td>\n<td width=\"154\">Di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t c\u1ee5 th\u1ec3 \/m<sup>2<\/sup>.g<sup>-1<\/sup><\/td>\n<td width=\"154\">\u0110\u1ed9 d\u1eabn nhi\u1ec7t W.(m.K<sup>-1<\/sup>)<\/td>\n<td width=\"154\">T\u1ed1c \u0111\u1ed9 \u00e2m thanh \/m.s<sup>-1<\/sup><\/td>\n<td width=\"154\">M\u1eadt \u0111\u1ed9 nh\u1ea5n \/g.m<sup>-3<\/sup><\/td>\n<td width=\"154\">H\u00e0m l\u01b0\u1ee3ng t\u1ea1p ch\u1ea5t \/%<\/td>\n<\/tr>\n<tr>\n<td width=\"154\">15~20<\/td>\n<td width=\"154\">0,128~0,141<\/td>\n<td width=\"154\">559~685<\/td>\n<td width=\"154\">0,01<\/td>\n<td width=\"154\">&lt;100<\/td>\n<td width=\"154\">&lt;0,15<\/td>\n<td width=\"154\">Cl&lt;0,028<\/p>\n<p>Kim lo\u1ea1i th\u01b0\u1eddng &lt;0,01<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>\u0110i\u1ec1u ch\u1ebf nano silica<\/h4>\n<p>Hi\u1ec7n nay, vi\u1ec7c nghi\u00ean c\u1ee9u nano <a class=\"wpil_keyword_link\" href=\"https:\/\/www.alpapowder.com\/projects\/minerals\/\"   title=\"silica\" data-wpil-keyword-link=\"linked\">silica<\/a> ch\u1ee7 y\u1ebfu s\u1eed d\u1ee5ng natri silicat v\u00e0 ethyl orthosilicat l\u00e0m nguy\u00ean li\u1ec7u, c\u00f2n nguy\u00ean li\u1ec7u s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p ch\u1ee7 y\u1ebfu l\u00e0 natri silicat gi\u00e1 r\u1ebb.<\/p>\n<ul>\n<li><strong>Ph\u01b0\u01a1ng ph\u00e1p v\u1eadt l\u00fd<\/strong><\/li>\n<\/ul>\n<p>N\u00f3 ch\u1ee7 y\u1ebfu l\u00e0 nghi\u1ec1n th\u00e0nh b\u1ed9t c\u01a1 h\u1ecdc. <a class=\"wpil_keyword_link\" href=\"https:\/\/www.alpapowder.com\/projects\/minerals\/\"   title=\"Silica\" data-wpil-keyword-link=\"linked\">Silica<\/a> h\u1ea1t l\u1edbn \u0111\u01b0\u1ee3c nghi\u1ec1n th\u00e0nh b\u1ed9t si\u00eau m\u1ecbn th\u00f4ng qua s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a t\u00e1c \u0111\u1ed9ng, l\u1ef1c c\u1eaft, l\u1ef1c ma s\u00e1t v\u00e0 c\u00e1c l\u1ef1c kh\u00e1c \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi m\u00e1y nghi\u1ec1n b\u1ed9t si\u00eau m\u1ecbn. Sau \u0111\u00f3, m\u1ed9t thi\u1ebft b\u1ecb ph\u00e2n nh\u00f3m hi\u1ec7u qu\u1ea3 cao \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u00e1ch c\u00e1c h\u1ea1t c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t kh\u00e1c nhau, \u0111\u1ec3 nh\u1eadn ra t\u00ednh \u0111\u1ed3ng nh\u1ea5t v\u00e0 \u0111\u1eb7c tr\u01b0ng c\u1ee7a s\u1ef1 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a b\u1ed9t nano-<a class=\"wpil_keyword_link\" href=\"https:\/\/www.alpapowder.com\/projects\/minerals\/\"   title=\"silica\" data-wpil-keyword-link=\"linked\">silica<\/a>.<\/p>\n<p>Qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t v\u1eadt ch\u1ea5t \u0111\u01a1n gi\u1ea3n, kh\u1ed1i l\u01b0\u1ee3ng s\u1ea3n xu\u1ea5t l\u1edbn, d\u1ec5 ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t. Tuy nhi\u00ean, c\u00e1c y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi nguy\u00ean li\u1ec7u th\u00f4 cao h\u01a1n, v\u00e0 khi k\u00edch th\u01b0\u1edbc h\u1ea1t gi\u1ea3m, c\u00e1c h\u1ea1t k\u1ebft t\u1ee5 do t\u0103ng n\u0103ng l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t, v\u00e0 r\u1ea5t kh\u00f3 \u0111\u1ec3 gi\u1ea3m k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a c\u00e1c h\u1ea1t b\u1ed9t.<\/p>\n<ul>\n<li><strong>Ph\u01b0\u01a1ng ph\u00e1p h\u00f3a h\u1ecdc<\/strong><\/li>\n<\/ul>\n<p>1.Ph\u1ea3n \u1ee9ng pha kh\u00ed h\u00f3a h\u1ecdc<\/p>\n<p>Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y s\u1eed d\u1ee5ng c\u00e1c h\u1ee3p ch\u1ea5t organosilicon (nh\u01b0 organohalosilanes, silan, v.v.), hydro v\u00e0 oxy ho\u1eb7c kh\u00f4ng kh\u00ed \u0111\u1ec3 tr\u1ed9n v\u00e0 \u0111\u1ed1t ch\u00e1y. Sau khi c\u00e1c h\u1ee3p ch\u1ea5t organosilicon \u0111\u01b0\u1ee3c \u0111\u1ed1t ch\u00e1y \u1edf nhi\u1ec7t \u0111\u1ed9 cao, ch\u00fang tr\u1ea3i qua qu\u00e1 tr\u00ecnh th\u1ee7y ph\u00e2n \u1edf nhi\u1ec7t \u0111\u1ed9 cao trong n\u01b0\u1edbc do ph\u1ea3n \u1ee9ng t\u1ea1o ra \u0111\u1ec3 \u0111i\u1ec1u ch\u1ebf nano-<a class=\"wpil_keyword_link\" href=\"https:\/\/www.alpapowder.com\/projects\/minerals\/\"   title=\"silica\" data-wpil-keyword-link=\"linked\">silica<\/a>.<\/p>\n<p>Ph\u01b0\u01a1ng ph\u00e1p ph\u1ea3n \u1ee9ng pha kh\u00ed h\u00f3a h\u1ecdc c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t \u0111\u1ed3ng \u0111\u1ec1u, k\u00edch th\u01b0\u1edbc h\u1ea1t nh\u1ecf v\u00e0 h\u00ecnh c\u1ea7u, s\u1ea3n ph\u1ea9m c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao v\u00e0 \u00edt nh\u00f3m hydroxyl b\u1ec1 m\u1eb7t. \u0110\u1ec3 ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra c\u00e1c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc th\u00ec ph\u1ea3i s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ed1t n\u00f3ng, b\u1ee9c x\u1ea1 ho\u1eb7c plasma \u0111\u1ec3 k\u00edch ho\u1ea1t c\u00e1c ch\u1ea5t ph\u1ea3n \u1ee9ng th\u00e0nh ph\u00e2n t\u1eed. V\u00ec v\u1eady, thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng trong ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u00f2i h\u1ecfi y\u00eau c\u1ea7u cao, nguy\u00ean v\u1eadt li\u1ec7u s\u1eed d\u1ee5ng \u0111\u1eaft, gi\u00e1 th\u00e0nh s\u1ea3n ph\u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i cao.<\/p>\n<p>2.\u00a0 S\u1ef1 k\u1ebft t\u1ee7a<\/p>\n<p>Ph\u01b0\u01a1ng ph\u00e1p k\u1ebft t\u1ee7a l\u00e0 tr\u1ed9n dung d\u1ecbch ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c ch\u1ea5t ph\u1ee5 kh\u00e1c, sau \u0111\u00f3 th\u00eam ch\u1ea5t axit h\u00f3a v\u00e0o dung d\u1ecbch h\u1ed7n h\u1ee3p \u0111\u1ec3 t\u1ea1o k\u1ebft t\u1ee7a, k\u1ebft t\u1ee7a thu \u0111\u01b0\u1ee3c \u0111\u01b0\u1ee3c l\u00e0m kh\u00f4 v\u00e0 nung \u0111\u1ec3 thu \u0111\u01b0\u1ee3c nano <a class=\"wpil_keyword_link\" href=\"https:\/\/www.alpapowder.com\/projects\/minerals\/\"   title=\"silica\" data-wpil-keyword-link=\"linked\">silica<\/a>.<\/p>\n<p>Ph\u01b0\u01a1ng ph\u00e1p k\u1ebft t\u1ee7a c\u00f3 quy tr\u00ecnh \u0111\u01a1n gi\u1ea3n, nguy\u00ean li\u1ec7u \u0111a d\u1ea1ng v\u00e0 \u0111\u00e3 \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u v\u00e0 \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i, nh\u01b0ng v\u1ea5n \u0111\u1ec1 kh\u00f3 ki\u1ec3m so\u00e1t \u0111\u1eb7c t\u00ednh s\u1ea3n ph\u1ea9m c\u1ee7a n\u00f3 v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft.<\/p>\n<p>3.\u00a0 Ph\u01b0\u01a1ng ph\u00e1p sol-gel<\/p>\n<p>Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y th\u01b0\u1eddng s\u1eed d\u1ee5ng silicat ho\u1eb7c silicat l\u00e0m ti\u1ec1n ch\u1ea5t \u0111\u1ec3 h\u00f2a tan trong dung m\u00f4i t\u1ea1o th\u00e0nh dung d\u1ecbch \u0111\u1ed3ng nh\u1ea5t, sau \u0111\u00f3 \u0111i\u1ec1u ch\u1ec9nh gi\u00e1 tr\u1ecb pH \u0111\u1ec3 th\u1ee7y ph\u00e2n v\u00e0 tr\u00f9ng h\u1ee3p ti\u1ec1n ch\u1ea5t \u0111\u1ec3 t\u1ea1o th\u00e0nh sol.<br \/>\nQu\u00e1 tr\u00ecnh sol-gel d\u1ec5 ki\u1ec3m so\u00e1t v\u00e0 \u0111\u00e3 \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u r\u1ed9ng r\u00e3i, v\u00e0 s\u1ea3n ph\u1ea9m thu \u0111\u01b0\u1ee3c c\u00f3 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang l\u1edbn h\u01a1n. Tuy nhi\u00ean, kh\u00f3 gi\u1eb7t, y\u00eau c\u1ea7u cao v\u1ec1 nguy\u00ean li\u1ec7u v\u00e0 th\u1eddi gian s\u1ea5y qu\u00e1 l\u00e2u \u0111\u00e3 h\u1ea1n ch\u1ebf vi\u1ec7c s\u1eed d\u1ee5ng.<\/p>\n<p>4.\u00a0 Ph\u01b0\u01a1ng ph\u00e1p vi nh\u0169 t\u01b0\u01a1ng<\/p>\n<p>B\u1eb1ng c\u00e1ch th\u00eam t\u1eebng gi\u1ecdt axituloz\u01a1 ho\u1eb7c ch\u1ea5t x\u00fac t\u00e1c v\u00e0o vi nh\u0169 t\u01b0\u01a1ng \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb t\u1eeb ti\u1ec1n ch\u1ea5t, ph\u1ea3n \u1ee9ng chu\u1ea9n b\u1ecb di\u1ec5n ra trong bong b\u00f3ng vi nh\u0169 t\u01b0\u01a1ng v\u00e0 vi nh\u0169 t\u01b0\u01a1ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u1edbi h\u1ea1n s\u1ef1 t\u1ea1o m\u1ea7m, ph\u00e1t tri\u1ec3n, \u0111\u00f4ng t\u1ee5 v\u00e0 k\u1ebft t\u1ee5 c\u1ee7a pha r\u1eafn th\u00e0nh m\u1ed9t h\u00ecnh c\u1ea7u nh\u1ecf. Trong c\u00e1c h\u1ea1t vi m\u00f4 nh\u1ecf gi\u1ecdt, c\u00e1c h\u1ea1t h\u00ecnh c\u1ea7u nano \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh, v\u00e0 tr\u00e1nh \u0111\u01b0\u1ee3c s\u1ef1 k\u1ebft t\u1ee5 h\u01a1n n\u1eefa gi\u1eefa c\u00e1c h\u1ea1t v\u00e0 d\u1ec5 d\u00e0ng nh\u1eadn ra s\u1ef1 s\u1ea3n sinh c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c \u1edf k\u00edch th\u01b0\u1edbc c\u01a1 th\u1ec3.<\/p>\n<p>Do kh\u1ea3 n\u0103ng t\u1ef1 l\u1eafp r\u00e1p \u1edf quy m\u00f4 nano, d\u1ec5 d\u00e0ng th\u1ef1c hi\u1ec7n vi\u1ec7c chu\u1ea9n b\u1ecb c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c k\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh th\u00e1i h\u1ea1t, \u0111i\u1ec1u n\u00e0y \u0111\u00e3 thu h\u00fat s\u1ef1 quan t\u00e2m c\u1ee7a nhi\u1ec1u nh\u00e0 nghi\u00ean c\u1ee9u v\u00e0 tr\u1edf th\u00e0nh \u0111i\u1ec3m n\u00f3ng nghi\u00ean c\u1ee9u trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y. Do gi\u00e1 th\u00e0nh cao, kh\u00f3 lo\u1ea1i b\u1ecf c\u00e1c th\u00e0nh ph\u1ea7n h\u1eefu c\u01a1 v\u00e0 d\u1ec5 g\u00e2y \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng n\u00ean n\u00f3 ch\u01b0a \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00f4ng nghi\u1ec7p.<\/p>\n<h4>Bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t c\u1ee7a nano-<strong><b>SiO<\/b><\/strong><strong><sub><b>2<\/b><\/sub><\/strong><\/h4>\n<p>C\u00f3 m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00e1c c\u01a1 s\u1edf \u00e1nh s\u00e1ng <a class=\"wpil_keyword_link\" href=\"https:\/\/www.alpapowder.com\/projects\/electronic\/\"   title=\"silicon\" data-wpil-keyword-link=\"linked\">silicon<\/a> ho\u1ea1t \u0111\u1ed9ng tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a nano-silica, v\u1edbi k\u00edch th\u01b0\u1edbc nh\u1ecf v\u00e0 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang l\u1edbn n\u00ean d\u1ec5 k\u1ebft t\u1ee5. \u0110\u1eafp tr\u1ef1c ti\u1ebfp v\u00e0o c\u00e1c v\u1eadt li\u1ec7u h\u1eefu c\u01a1, v\u00ec n\u00f3 kh\u00f3 x\u00e2m nh\u1eadp v\u00e0 ph\u00e2n t\u00e1n, v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch k\u00e9m n\u00ean r\u1ea5t kh\u00f3 ph\u00e1t huy vai tr\u00f2, \u0111i\u1ec1u n\u00e0y l\u00e0m h\u1ea1n ch\u1ebf \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p c\u1ee7a n\u00f3.<\/p>\n<ul>\n<li><strong>Ph\u01b0\u01a1ng ph\u00e1p v\u1eadt l\u00fd<\/strong><\/li>\n<\/ul>\n<p>Ph\u01b0\u01a1ng ph\u00e1p ph\u1ee7 b\u1ec1 m\u1eb7t l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p s\u1eeda \u0111\u1ed5i trong \u0111\u00f3 b\u1ec1 m\u1eb7t b\u1ecb bi\u1ebfn \u0111\u1ed5i v\u00e0 kh\u00f4ng c\u00f3 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc v\u1edbi nano-SiO<sub>2<\/sub>\u00a0, v\u00e0 l\u1edbp ph\u1ee7 v\u00e0 c\u00e1c h\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi nhau b\u1eb1ng l\u1ef1c li\u00ean ph\u00e2n t\u1eed.<\/p>\n<p>S\u1eeda \u0111\u1ed5i x\u1eed l\u00fd nhi\u1ec7t l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh to\u00e0n di\u1ec7n, trong \u0111\u00f3 SiO<sub>2<\/sub>\u00a0nano \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean m\u1eb7t sau c\u1ee7a m\u1ed9t m\u00f4i tr\u01b0\u1eddng nh\u1ea5t \u0111\u1ecbnh \u0111\u1ec3 l\u00e0m n\u00f3ng, gi\u1eef nhi\u1ec7t v\u00e0 l\u00e0m m\u00e1t, v\u00e0 hi\u1ec7u su\u1ea5t \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t b\u1eb1ng c\u00e1ch thay \u0111\u1ed5i b\u1ec1 m\u1eb7t ho\u1eb7c c\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a nano SiO<sub>2<\/sub>\u00a0.<\/p>\n<ul>\n<li><strong>Ph\u01b0\u01a1ng ph\u00e1p h\u00f3a h\u1ecdc<\/strong><\/li>\n<\/ul>\n<p>R\u01b0\u1ee3u b\u00e9o ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c nh\u00f3m hydroxyl tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a SiO<sub>2<\/sub>\u00a0\u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c ph\u00e2n t\u1eed n\u01b0\u1edbc. C\u00e1c nh\u00f3m hydroxyl tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a SiO<sub>2<\/sub>\u00a0\u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng c\u00e1c nh\u00f3m alkyl, v\u00e0 r\u01b0\u1ee3u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh.<\/p>\n<h4>\u1ee8ng d\u1ee5ng c\u1ee7a Nano <strong><b>SiO<\/b><\/strong><strong><sub><b>2<\/b><\/sub><\/strong><\/h4>\n<ul>\n<li><strong>l\u1edbp \u00e1o<\/strong><\/li>\n<\/ul>\n<p>Nano-<a class=\"wpil_keyword_link\" href=\"https:\/\/www.alpapowder.com\/projects\/minerals\/\"   title=\"silica\" data-wpil-keyword-link=\"linked\">silica<\/a> c\u00f3 c\u1ea5u tr\u00fac m\u1ea1ng ba chi\u1ec1u, c\u00f3 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang r\u1ea5t l\u1edbn, cho th\u1ea5y ho\u1ea1t t\u00ednh l\u1edbn, c\u00f3 th\u1ec3 h\u00ecnh th\u00e0nh c\u1ea5u tr\u00fac m\u1ea1ng khi l\u1edbp ph\u1ee7 \u0111\u01b0\u1ee3c l\u00e0m kh\u00f4, v\u00e0 c\u1ea3i thi\u1ec7n s\u1ef1 huy\u1ec1n ph\u00f9 c\u1ee7a s\u1eafc t\u1ed1, c\u00f3 th\u1ec3 gi\u1eef m\u00e0u c\u1ee7a l\u1edbp ph\u1ee7 m\u00e0 kh\u00f4ng l\u00e2u phai m\u00e0u. Trong x\u00e2y d\u1ef1ng, s\u01a1n t\u01b0\u1eddng n\u1ed9i th\u1ea5t v\u00e0 ngo\u1ea1i th\u1ea5t c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 l\u00e0m s\u1ea1ch v\u00e0 b\u00e1m d\u00ednh r\u1ea5t t\u1ed1t.<\/p>\n<ul>\n<li><strong>L\u0129nh v\u1ef1c ch\u1ea5t k\u1ebft d\u00ednh \/ ch\u1ea5t b\u1ecbt k\u00edn<\/strong><\/li>\n<\/ul>\n<p>Trong l\u0129nh v\u1ef1c ch\u1ea5t k\u1ebft d\u00ednh v\u00e0 ch\u1ea5t b\u1ecbt k\u00edn, nano-<a class=\"wpil_keyword_link\" href=\"https:\/\/www.alpapowder.com\/projects\/minerals\/\"   title=\"silica\" data-wpil-keyword-link=\"linked\">silica<\/a> l\u00e0 m\u1ed9t s\u1ea3n ph\u1ea9m quan tr\u1ecdng v\u1edbi s\u1ed1 l\u01b0\u1ee3ng l\u1edbn v\u00e0 \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i. Hi\u1ec7n t\u1ea1i, c\u00e1c s\u1ea3n ph\u1ea9m keo v\u00e0 keo d\u00e1n cao c\u1ea5p trong n\u01b0\u1edbc ch\u1ee7 y\u1ebfu d\u1ef1a v\u00e0o nh\u1eadp kh\u1ea9u.<\/p>\n<ul>\n<li><strong>cao su<\/strong><\/li>\n<\/ul>\n<p>N\u00f3 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n s\u1ee9c m\u1ea1nh, \u0111\u1ed9 d\u1ebbo dai v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m cao su. Ngo\u00e0i ra, n\u00f3 c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m \u0111\u1ebf cao su trong su\u1ed1t, v\u00e0 lo\u1ea1i s\u1ea3n ph\u1ea9m n\u00e0y tr\u01b0\u1edbc \u0111\u00e2y th\u01b0\u1eddng d\u1ef1a v\u00e0o h\u00e0ng nh\u1eadp kh\u1ea9u.<\/p>\n<ul>\n<li><strong>nh\u1ef1a<\/strong><\/li>\n<\/ul>\n<p>C\u1ea3i thi\u1ec7n \u0111\u1ed9 d\u1ebbo dai, ch\u1ecbu l\u1ef1c, ch\u1ed1ng m\u00e0i m\u00f2n, ch\u1ed1ng l\u00e3o h\u00f3a c\u1ee7a nh\u1ef1a v\u00e0 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng l\u00e3o h\u00f3a c\u1ee7a nh\u1ef1a.<\/p>\n<ul>\n<li><strong>L\u0129nh v\u1ef1c d\u1ec7t may<\/strong><\/li>\n<\/ul>\n<p>B\u1ed9t h\u1ed7n h\u1ee3p v\u1edbi t\u1ef7 l\u1ec7 th\u00edch h\u1ee3p gi\u1eefa nano <a class=\"wpil_keyword_link\" href=\"https:\/\/www.alpapowder.com\/projects\/minerals\/\"   title=\"silica\" data-wpil-keyword-link=\"linked\">silica<\/a> v\u00e0 nano titan dioxide l\u00e0 m\u1ed9t ch\u1ea5t ph\u1ee5 gia quan tr\u1ecdng gi\u00fap s\u1ee3i ch\u1ed1ng b\u1ee9c x\u1ea1 tia c\u1ef1c t\u00edm, \u0111\u1ed3ng th\u1eddi c\u00f3 th\u1ec3 t\u0103ng hi\u1ec7u qu\u1ea3 gi\u1eef \u1ea5m v\u00e0 gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a qu\u1ea7n \u00e1o.<\/p>\n<ul>\n<li><strong>L\u0129nh v\u1ef1c t\u00e1c nh\u00e2n kh\u00e1ng khu\u1ea9n \/ l\u0129nh v\u1ef1c x\u00fac t\u00e1c<\/strong><\/li>\n<\/ul>\n<p>Nano-<a class=\"wpil_keyword_link\" href=\"https:\/\/www.alpapowder.com\/projects\/minerals\/\"   title=\"silica\" data-wpil-keyword-link=\"linked\">silica<\/a> tr\u01a1 v\u1ec1 m\u1eb7t sinh l\u00fd v\u00e0 c\u00f3 t\u00ednh h\u1ea5p th\u1ee5 cao. N\u00f3 c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 c\u00e1c ion kh\u00e1ng khu\u1ea9n \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c \u0111\u00edch kh\u00e1ng khu\u1ea9n. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t v\u1ecf t\u1ee7 l\u1ea1nh v\u00e0 b\u00e0n ph\u00edm m\u00e1y t\u00ednh.<\/p>\n<ul>\n<li><strong>N\u00f4ng nghi\u1ec7p v\u00e0 th\u1ef1c ph\u1ea9m<\/strong><\/li>\n<\/ul>\n<p>C\u00f3 th\u1ec3 l\u00e0m rau ch\u00edn s\u1edbm h\u01a1n.<\/p>\n<p>&nbsp;<\/p>\n<p>Ngu\u1ed3n b\u00e0i vi\u1ebft: China Powder Network<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nano-silica l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u h\u00f3a h\u1ecdc v\u00f4 c\u01a1, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 &#8220;carbon \u0111en tr\u1eafng si\u00eau m\u1ecbn&#8221;. N\u00f3 l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u phi kim lo\u1ea1i v\u00f4 c\u01a1 kh\u00f4ng \u0111\u1ed9c h\u1ea1i, kh\u00f4ng m\u00f9i v\u00e0 kh\u00f4ng g\u00e2y \u00f4 nhi\u1ec5m v\u00e0 l\u00e0 v\u1eadt li\u1ec7u v\u00f4 c\u01a1 m\u1edbi si\u00eau m\u1ecbn c\u00f4ng ngh\u1ec7 cao. K\u00edch th\u01b0\u1edbc t\u1eeb 1 ~ 100nm, v\u00e0 n\u00f3 c\u00f3 c\u1ea5u tr\u00fac m\u1ea1ng ba chi\u1ec1u, d\u1ec5 k\u1ebft t\u1ee5 v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh l\u01b0u tr\u1eef k\u00e9m.<\/p>\n","protected":false},"author":6,"featured_media":110642,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[830],"tags":[],"class_list":["post-110668","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/110668","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=110668"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/110668\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/110642"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=110668"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=110668"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=110668"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}