{"id":131258,"date":"2024-03-13T14:05:42","date_gmt":"2024-03-13T06:05:42","guid":{"rendered":"https:\/\/www.alpapowder.com\/131258\/"},"modified":"2024-03-13T14:05:42","modified_gmt":"2024-03-13T06:05:42","slug":"nhung-phuong-phap-nao-co-the-giup-bien-doi-be-mat-cua-bot-sieu-min","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/131258\/","title":{"rendered":"Nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p n\u00e0o c\u00f3 th\u1ec3 gi\u00fap bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t c\u1ee7a b\u1ed9t si\u00eau m\u1ecbn?"},"content":{"rendered":"

\"\"<\/p>\n

B\u1ed9t si\u00eau m\u1ecbn, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 b\u1ed9t nano, d\u00f9ng \u0111\u1ec3 ch\u1ec9 m\u1ed9t lo\u1ea1i b\u1ed9t c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t n\u1eb1m trong ph\u1ea1m vi nanomet (1 ~ 100nm). B\u1ed9t si\u00eau m\u1ecbn th\u01b0\u1eddng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf b\u1eb1ng c\u00e1ch nghi\u1ec1n bi, nghi\u1ec1n c\u01a1 h\u1ecdc, phun, n\u1ed5, l\u1eafng \u0111\u1ecdng h\u00f3a h\u1ecdc v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c.<\/p>\n

B\u1ed9t nano \u0111\u00e3 thu h\u00fat s\u1ef1 ch\u00fa \u00fd c\u1ee7a m\u1ecdi ng\u01b0\u1eddi nh\u1edd c\u00e1c \u0111\u1eb7c t\u00ednh \u0111\u1eb7c bi\u1ec7t c\u1ee7a ch\u00fang v\u1ec1 t\u1eeb t\u00ednh, x\u00fac t\u00e1c, h\u1ea5p th\u1ee5 \u00e1nh s\u00e1ng, kh\u00e1ng nhi\u1ec7t v\u00e0 \u0111i\u1ec3m n\u00f3ng ch\u1ea3y do hi\u1ec7u \u1ee9ng th\u1ec3 t\u00edch v\u00e0 hi\u1ec7u \u1ee9ng b\u1ec1 m\u1eb7t. Tuy nhi\u00ean, do k\u00edch th\u01b0\u1edbc nh\u1ecf v\u00e0 n\u0103ng l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t cao n\u00ean c\u00e1c h\u1ea1t nano c\u00f3 xu h\u01b0\u1edbng k\u1ebft t\u1ee5 m\u1ed9t c\u00e1ch t\u1ef1 nhi\u00ean. S\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a s\u1ef1 k\u1ebft t\u1ee5 s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u b\u1ed9t nano. \u0110\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 ph\u00e2n t\u00e1n v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a b\u1ed9t v\u00e0 l\u00e0m cho ph\u1ea1m vi \u1ee9ng d\u1ee5ng c\u1ee7a v\u1eadt li\u1ec7u r\u1ed9ng h\u01a1n, c\u1ea7n ph\u1ea3i s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t c\u1ee7a b\u1ed9t.<\/p>\n

C\u00f3 nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t, n\u00f3i chung c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh: bi\u1ebfn \u0111\u1ed5i l\u1edbp ph\u1ee7 b\u1ec1 m\u1eb7t, bi\u1ebfn \u0111\u1ed5i h\u00f3a h\u1ecdc b\u1ec1 m\u1eb7t, bi\u1ebfn \u0111\u1ed5i c\u01a1 h\u00f3a, bi\u1ebfn \u0111\u1ed5i vi\u00ean nang, bi\u1ebfn \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng cao v\u00e0 bi\u1ebfn \u0111\u1ed5i ph\u1ea3n \u1ee9ng k\u1ebft t\u1ee7a.<\/p>\n

 <\/p>\n

S\u1eeda \u0111\u1ed5i l\u1edbp ph\u1ee7 b\u1ec1 m\u1eb7t<\/p>\n

S\u1eeda \u0111\u1ed5i l\u1edbp ph\u1ee7 b\u1ec1 m\u1eb7t c\u00f3 ngh\u0129a l\u00e0 kh\u00f4ng c\u00f3 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc gi\u1eefa ch\u1ea5t bi\u1ebfn t\u00ednh b\u1ec1 m\u1eb7t v\u00e0 b\u1ec1 m\u1eb7t h\u1ea1t. L\u1edbp ph\u1ee7 v\u00e0 c\u00e1c h\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p v\u1eadt l\u00fd ho\u1eb7c l\u1ef1c van der Waals. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ph\u00f9 h\u1ee3p \u0111\u1ec3 bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t c\u1ee7a h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i h\u1ea1t v\u00f4 c\u01a1. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ch\u1ee7 y\u1ebfu s\u1eed d\u1ee5ng c\u00e1c h\u1ee3p ch\u1ea5t v\u00f4 c\u01a1 ho\u1eb7c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 \u0111\u1ec3 ph\u1ee7 l\u00ean b\u1ec1 m\u1eb7t h\u1ea1t nh\u1eb1m l\u00e0m suy y\u1ebfu s\u1ef1 k\u1ebft t\u1ee5 c\u1ee7a h\u1ea1t. H\u01a1n n\u1eefa, l\u1ef1c \u0111\u1ea9y kh\u00f4ng gian do l\u1edbp ph\u1ee7 t\u1ea1o ra khi\u1ebfn c\u00e1c h\u1ea1t r\u1ea5t kh\u00f3 t\u00e1i h\u1ee3p. C\u00e1c ch\u1ea5t bi\u1ebfn t\u00ednh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 bi\u1ebfn \u0111\u1ed5i l\u1edbp ph\u1ee7 bao g\u1ed3m ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t, ch\u1ea5t si\u00eau ph\u00e2n t\u00e1n, ch\u1ea5t v\u00f4 c\u01a1, v.v.<\/p>\n

C\u00e1c lo\u1ea1i b\u1ed9t c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng: cao lanh, than ch\u00ec, mica, hydrotalcite, vermiculite, rectorite, oxit kim lo\u1ea1i v\u00e0 silicat ph\u00e2n l\u1edbp, v.v.<\/p>\n

 <\/p>\n

Bi\u1ebfn \u0111\u1ed5i h\u00f3a h\u1ecdc b\u1ec1 m\u1eb7t<\/p>\n

Bi\u1ebfn \u0111\u1ed5i h\u00f3a h\u1ecdc b\u1ec1 m\u1eb7t s\u1eed d\u1ee5ng s\u1ef1 h\u1ea5p ph\u1ee5 ho\u1eb7c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc c\u1ee7a c\u00e1c nh\u00f3m ch\u1ee9c trong c\u00e1c ph\u00e2n t\u1eed h\u1eefu c\u01a1 tr\u00ean b\u1ec1 m\u1eb7t b\u1ed9t v\u00f4 c\u01a1 \u0111\u1ec3 bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t h\u1ea1t. Ngo\u00e0i vi\u1ec7c bi\u1ebfn \u0111\u1ed5i nh\u00f3m ch\u1ee9c b\u1ec1 m\u1eb7t, ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f2n bao g\u1ed3m bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t b\u1eb1ng ph\u1ea3n \u1ee9ng g\u1ed1c t\u1ef1 do, ph\u1ea3n \u1ee9ng chelat, h\u1ea5p ph\u1ee5 sol, v.v..<\/p>\n

C\u00e1c lo\u1ea1i b\u1ed9t c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng: c\u00e1t th\u1ea1ch anh, b\u1ed9t silica<\/a>, canxi cacbonat, cao lanh, b\u1ed9t talc, bentonite, barit, wollastonite, mica, \u0111\u1ea5t t\u1ea3o c\u00e1t, brucite, bari sunfat, dolomit, titan dioxide, nh\u00f4m hydroxit, c\u00e1c lo\u1ea1i b\u1ed9t kh\u00e1c nhau nh\u01b0 magi\u00ea hydroxit v\u00e0 oxit nh\u00f4m.<\/p>\n

 <\/p>\n

Bi\u1ebfn \u0111\u1ed5i c\u01a1 h\u00f3a<\/p>\n

Bi\u1ebfn \u0111\u1ed5i c\u01a1 h\u00f3a h\u1ecdc \u0111\u1ec1 c\u1eadp \u0111\u1ebfn s\u1ef1 thay \u0111\u1ed5i c\u1ea5u tr\u00fac m\u1ea1ng tinh th\u1ec3, d\u1ea1ng tinh th\u1ec3, v.v. th\u00f4ng qua c\u00e1c ph\u01b0\u01a1ng ph\u00e1p c\u01a1 h\u1ecdc nh\u01b0 nghi\u1ec1n, m\u00e0i v\u00e0 ma s\u00e1t. N\u0103ng l\u01b0\u1ee3ng trong h\u1ec7 th\u1ed1ng t\u0103ng l\u00ean v\u00e0 nhi\u1ec7t \u0111\u1ed9 t\u0103ng l\u00ean, \u0111i\u1ec1u n\u00e0y th\u00fac \u0111\u1ea9y qu\u00e1 tr\u00ecnh h\u00f2a tan h\u1ea1t, ph\u00e2n h\u1ee7y nhi\u1ec7t v\u00e0 t\u1ea1o ra t\u1ef1 do. M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p bi\u1ebfn \u0111\u1ed5i s\u1eed d\u1ee5ng c\u00e1c g\u1ed1c ho\u1eb7c ion \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t c\u1ee7a kho\u00e1ng ch\u1ea5t v\u00e0 th\u00fac \u0111\u1ea9y ph\u1ea3n \u1ee9ng ho\u1eb7c s\u1ef1 g\u1eafn k\u1ebft c\u1ee7a kho\u00e1ng ch\u1ea5t v\u00e0 c\u00e1c ch\u1ea5t kh\u00e1c \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c \u0111\u00edch bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t.<\/p>\n

C\u00e1c lo\u1ea1i b\u1ed9t c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng: cao lanh, b\u1ed9t talc, mica, wollastonite, titan dioxide v\u00e0 c\u00e1c lo\u1ea1i b\u1ed9t kh\u00e1c.<\/p>\n

 <\/p>\n

S\u1eeda \u0111\u1ed5i vi\u00ean nang<\/p>\n

S\u1eeda \u0111\u1ed5i vi\u00ean nang l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t bao ph\u1ee7 b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c h\u1ea1t b\u1ed9t b\u1eb1ng m\u1ed9t l\u1edbp m\u00e0ng c\u00f3 \u0111\u1ed9 d\u00e0y \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 nh\u1ea5t \u0111\u1ecbnh.<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p bi\u1ebfn \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng cao<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p bi\u1ebfn \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng cao l\u00e0 ph\u01b0\u01a1ng ph\u00e1p s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd b\u1eb1ng plasma ho\u1eb7c b\u1ee9c x\u1ea1 \u0111\u1ec3 b\u1eaft \u0111\u1ea7u ph\u1ea3n \u1ee9ng tr\u00f9ng h\u1ee3p nh\u1eb1m \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 bi\u1ebfn \u0111\u1ed5i.<\/p>\n

 <\/p>\n

S\u1eeda \u0111\u1ed5i ph\u1ea3n \u1ee9ng l\u01b0\u1ee3ng m\u01b0a<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p ph\u1ea3n \u1ee9ng k\u1ebft t\u1ee7a l\u00e0 th\u00eam ch\u1ea5t k\u1ebft t\u1ee7a v\u00e0o dung d\u1ecbch ch\u1ee9a c\u00e1c h\u1ea1t b\u1ed9t ho\u1eb7c th\u00eam m\u1ed9t ch\u1ea5t c\u00f3 th\u1ec3 k\u00edch ho\u1ea1t s\u1ef1 t\u1ea1o ra ch\u1ea5t k\u1ebft t\u1ee7a trong h\u1ec7 ph\u1ea3n \u1ee9ng, \u0111\u1ec3 c\u00e1c ion bi\u1ebfn \u0111\u1ed5i tr\u1ea3i qua ph\u1ea3n \u1ee9ng k\u1ebft t\u1ee7a v\u00e0 k\u1ebft t\u1ee7a tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c h\u1ea1t , do \u0111\u00f3 ph\u1ee7 l\u00ean c\u00e1c h\u1ea1t. Ph\u01b0\u01a1ng ph\u00e1p k\u1ebft t\u1ee7a c\u00f3 th\u1ec3 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c chia th\u00e0nh ph\u01b0\u01a1ng ph\u00e1p k\u1ebft t\u1ee7a tr\u1ef1c ti\u1ebfp, ph\u01b0\u01a1ng ph\u00e1p k\u1ebft t\u1ee7a \u0111\u1ed3ng \u0111\u1ec1u, ph\u01b0\u01a1ng ph\u00e1p t\u1ea1o m\u1ea7m kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t, ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ed3ng k\u1ebft t\u1ee7a, ph\u01b0\u01a1ng ph\u00e1p th\u1ee7y ph\u00e2n, v.v.<\/p>\n

C\u00e1c lo\u1ea1i b\u1ed9t c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng: titan dioxide, mica ng\u1ecdc trai, alumina v\u00e0 c\u00e1c ch\u1ea5t m\u00e0u v\u00f4 c\u01a1 kh\u00e1c.<\/p>\n","protected":false},"excerpt":{"rendered":"

S\u1eeda \u0111\u1ed5i l\u1edbp ph\u1ee7 b\u1ec1 m\u1eb7t c\u00f3 ngh\u0129a l\u00e0 kh\u00f4ng c\u00f3 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc gi\u1eefa ch\u1ea5t bi\u1ebfn t\u00ednh b\u1ec1 m\u1eb7t v\u00e0 b\u1ec1 m\u1eb7t h\u1ea1t.<\/p>\n","protected":false},"author":7,"featured_media":131219,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-131258","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghiep-tin-tuc-vi"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/131258","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\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=131258"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/131258\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/131219"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=131258"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=131258"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=131258"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}