{"id":135994,"date":"2025-06-16T11:34:55","date_gmt":"2025-06-16T03:34:55","guid":{"rendered":"https:\/\/www.alpapowder.com\/135994\/"},"modified":"2025-06-16T11:34:55","modified_gmt":"2025-06-16T03:34:55","slug":"14-phuong-phap-phu-be-mat-bot-sieu-min","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/135994\/","title":{"rendered":"14 ph\u01b0\u01a1ng ph\u00e1p ph\u1ee7 b\u1ec1 m\u1eb7t b\u1ed9t si\u00eau m\u1ecbn"},"content":{"rendered":"

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B\u1ed9t si\u00eau m\u1ecbn th\u01b0\u1eddng \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1c h\u1ea1t c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t l\u00e0 micromet ho\u1eb7c nanomet. So v\u1edbi v\u1eadt li\u1ec7u th\u00f4ng th\u01b0\u1eddng d\u1ea1ng kh\u1ed1i, ch\u00fang c\u00f3 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang l\u1edbn h\u01a1n, ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t v\u00e0 n\u0103ng l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t cao h\u01a1n, do \u0111\u00f3 th\u1ec3 hi\u1ec7n c\u00e1c \u0111\u1eb7c t\u00ednh quang h\u1ecdc, nhi\u1ec7t, \u0111i\u1ec7n, t\u1eeb, x\u00fac t\u00e1c v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh kh\u00e1c tuy\u1ec7t v\u1eddi. B\u1ed9t si\u00eau m\u1ecbn \u0111\u00e3 \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u r\u1ed9ng r\u00e3i nh\u01b0 m\u1ed9t v\u1eadt li\u1ec7u ch\u1ee9c n\u0103ng trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y v\u00e0 ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c ph\u00e1t tri\u1ec3n kinh t\u1ebf qu\u1ed1c gia.<\/p>\n

Tuy nhi\u00ean, do c\u00e1c v\u1ea5n \u0111\u1ec1 k\u1ebft t\u1ee5 v\u00e0 ph\u00e2n t\u00e1n \u0111\u1ed9c \u0111\u00e1o c\u1ee7a b\u1ed9t si\u00eau m\u1ecbn, ch\u00fang \u0111\u00e3 m\u1ea5t \u0111i nhi\u1ec1u \u0111\u1eb7c t\u00ednh tuy\u1ec7t v\u1eddi, \u0111i\u1ec1u n\u00e0y h\u1ea1n ch\u1ebf nghi\u00eam tr\u1ecdng vi\u1ec7c \u1ee9ng d\u1ee5ng b\u1ed9t si\u00eau m\u1ecbn trong c\u00f4ng nghi\u1ec7p.<\/p>\n

C\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u1ee7 b\u1ec1 m\u1eb7t b\u1ed9t si\u00eau m\u1ecbn<\/p>\n

1. Ph\u01b0\u01a1ng ph\u00e1p tr\u1ed9n c\u01a1 h\u1ecdc. S\u1eed d\u1ee5ng c\u00e1c l\u1ef1c c\u01a1 h\u1ecdc nh\u01b0 \u0111\u00f9n, va \u0111\u1eadp, c\u1eaft v\u00e0 ma s\u00e1t \u0111\u1ec3 ph\u00e2n ph\u1ed1i \u0111\u1ec1u ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh tr\u00ean b\u1ec1 m\u1eb7t ngo\u00e0i c\u1ee7a c\u00e1c h\u1ea1t b\u1ed9t, \u0111\u1ec3 c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c nhau c\u00f3 th\u1ec3 th\u00e2m nh\u1eadp v\u00e0 khu\u1ebfch t\u00e1n v\u00e0o nhau \u0111\u1ec3 t\u1ea1o th\u00e0nh l\u1edbp ph\u1ee7. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh hi\u1ec7n \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0 nghi\u1ec1n bi, nghi\u1ec1n khu\u1ea5y v\u00e0 t\u00e1c \u0111\u1ed9ng lu\u1ed3ng kh\u00f4ng kh\u00ed t\u1ed1c \u0111\u1ed9 cao.<\/p>\n

2. Ph\u01b0\u01a1ng ph\u00e1p ph\u1ea3n \u1ee9ng pha r\u1eafn. Tr\u1ed9n v\u00e0 nghi\u1ec1n m\u1ed9t s\u1ed1 mu\u1ed1i kim lo\u1ea1i ho\u1eb7c oxit kim lo\u1ea1i theo c\u00f4ng th\u1ee9c, sau \u0111\u00f3 nung ch\u00fang \u0111\u1ec3 thu \u0111\u01b0\u1ee3c tr\u1ef1c ti\u1ebfp b\u1ed9t ph\u1ee7 si\u00eau m\u1ecbn th\u00f4ng qua ph\u1ea3n \u1ee9ng pha r\u1eafn.<\/p>\n

3. Ph\u01b0\u01a1ng ph\u00e1p th\u1ee7y nhi\u1ec7t. Trong m\u1ed9t h\u1ec7 th\u1ed1ng k\u00edn c\u00f3 nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t cao, n\u01b0\u1edbc \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m m\u00f4i tr\u01b0\u1eddng \u0111\u1ec3 thu \u0111\u01b0\u1ee3c m\u00f4i tr\u01b0\u1eddng v\u1eadt l\u00fd v\u00e0 h\u00f3a h\u1ecdc \u0111\u1eb7c bi\u1ec7t kh\u00f4ng th\u1ec3 thu \u0111\u01b0\u1ee3c trong \u0111i\u1ec1u ki\u1ec7n \u00e1p su\u1ea5t b\u00ecnh th\u01b0\u1eddng, \u0111\u1ec3 ti\u1ec1n ch\u1ea5t ph\u1ea3n \u1ee9ng \u0111\u01b0\u1ee3c h\u00f2a tan ho\u00e0n to\u00e0n v\u00e0 \u0111\u1ea1t \u0111\u1ebfn m\u1ed9t m\u1ee9c \u0111\u1ed9 qu\u00e1 b\u00e3o h\u00f2a nh\u1ea5t \u0111\u1ecbnh, do \u0111\u00f3 h\u00ecnh th\u00e0nh m\u1ed9t \u0111\u01a1n v\u1ecb t\u0103ng tr\u01b0\u1edfng, sau \u0111\u00f3 h\u00ecnh th\u00e0nh h\u1ea1t nh\u00e2n v\u00e0 k\u1ebft tinh \u0111\u1ec3 thu \u0111\u01b0\u1ee3c b\u1ed9t t\u1ed5ng h\u1ee3p.<\/p>\n

4. Ph\u01b0\u01a1ng ph\u00e1p sol-gel. \u0110\u1ea7u ti\u00ean, ti\u1ec1n ch\u1ea5t bi\u1ebfn t\u00ednh \u0111\u01b0\u1ee3c h\u00f2a tan trong n\u01b0\u1edbc (ho\u1eb7c dung m\u00f4i h\u1eefu c\u01a1) \u0111\u1ec3 t\u1ea1o th\u00e0nh dung d\u1ecbch \u0111\u1ed3ng nh\u1ea5t, v\u00e0 ch\u1ea5t tan v\u00e0 dung m\u00f4i \u0111\u01b0\u1ee3c th\u1ee7y ph\u00e2n ho\u1eb7c r\u01b0\u1ee3u h\u00f3a \u0111\u1ec3 thu \u0111\u01b0\u1ee3c sol bi\u1ebfn t\u00ednh (ho\u1eb7c ti\u1ec1n ch\u1ea5t c\u1ee7a n\u00f3); sau \u0111\u00f3 c\u00e1c h\u1ea1t ph\u1ee7 \u0111\u01b0\u1ee3c x\u1eed l\u00fd tr\u01b0\u1edbc \u0111\u01b0\u1ee3c tr\u1ed9n \u0111\u1ec1u v\u1edbi sol \u0111\u1ec3 l\u00e0m cho c\u00e1c h\u1ea1t ph\u00e2n t\u00e1n \u0111\u1ec1u trong sol, v\u00e0 sol \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u0111\u1ec3 chuy\u1ec3n th\u00e0nh gel, v\u00e0 nung \u1edf nhi\u1ec7t \u0111\u1ed9 cao \u0111\u1ec3 thu \u0111\u01b0\u1ee3c b\u1ed9t ph\u1ee7 ch\u1ea5t bi\u1ebfn t\u00ednh tr\u00ean b\u1ec1 m\u1eb7t, do \u0111\u00f3 \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 bi\u1ebfn t\u00ednh b\u1ec1 m\u1eb7t c\u1ee7a b\u1ed9t.<\/p>\n

5. Ph\u01b0\u01a1ng ph\u00e1p k\u1ebft t\u1ee7a. 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 ch\u1ea5t c\u00f3 th\u1ec3 k\u00edch ho\u1ea1t s\u1ef1 t\u1ea1o ra ch\u1ea5t k\u1ebft t\u1ee7a trong h\u1ec7 th\u1ed1ng ph\u1ea3n \u1ee9ng, \u0111\u1ec3 c\u00e1c ion \u0111\u00e3 bi\u1ebfn t\u00ednh 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 c\u00e1c h\u1ea1t.<\/p>\n

6. Ph\u01b0\u01a1ng ph\u00e1p \u0111\u00f4ng t\u1ee5 kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t (c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 “ph\u01b0\u01a1ng ph\u00e1p k\u1ebft t\u1ee5 kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t”). M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t d\u1ef1a tr\u00ean nguy\u00ean t\u1eafc c\u00e1c h\u1ea1t c\u00f3 \u0111i\u1ec7n t\u00edch tr\u00e1i d\u1ea5u tr\u00ean b\u1ec1 m\u1eb7t c\u00f3 th\u1ec3 thu h\u00fat nhau v\u00e0 \u0111\u00f4ng t\u1ee5.<\/p>\n

7. Ph\u01b0\u01a1ng ph\u00e1p ph\u1ee7 nh\u0169 t\u01b0\u01a1ng si\u00eau nh\u1ecf. \u0110\u1ea7u ti\u00ean, b\u1ed9t si\u00eau m\u1ecbn c\u1ea7n ph\u1ee7 \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb b\u1eb1ng l\u00f5i n\u01b0\u1edbc nh\u1ecf do nh\u0169 t\u01b0\u01a1ng lo\u1ea1i W\/O (n\u01b0\u1edbc trong d\u1ea7u) cung c\u1ea5p, sau \u0111\u00f3 b\u1ed9t \u0111\u01b0\u1ee3c ph\u1ee7 v\u00e0 bi\u1ebfn t\u00ednh b\u1eb1ng qu\u00e1 tr\u00ecnh tr\u00f9ng h\u1ee3p nh\u0169 t\u01b0\u01a1ng.<\/p>\n

8. Ph\u01b0\u01a1ng ph\u00e1p t\u1ea1o h\u1ea1t kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t. Theo l\u00fd thuy\u1ebft qu\u00e1 tr\u00ecnh k\u1ebft tinh LAMER, l\u1edbp ph\u1ee7 \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh b\u1eb1ng c\u00e1ch t\u1ea1o h\u1ea1t kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t v\u00e0 ph\u00e1t tri\u1ec3n c\u00e1c h\u1ea1t bi\u1ebfn t\u00ednh tr\u00ean ma tr\u1eadn h\u1ea1t ph\u1ee7.<\/p>\n

9. Ph\u01b0\u01a1ng ph\u00e1p m\u1ea1 h\u00f3a h\u1ecdc. \u0110\u00e2y l\u00e0 qu\u00e1 tr\u00ecnh k\u1ebft t\u1ee7a kim lo\u1ea1i b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p h\u00f3a h\u1ecdc m\u00e0 kh\u00f4ng c\u1ea7n s\u1eed d\u1ee5ng d\u00f2ng \u0111i\u1ec7n b\u00ean ngo\u00e0i. C\u00f3 ba ph\u01b0\u01a1ng ph\u00e1p: ph\u01b0\u01a1ng ph\u00e1p thay th\u1ebf, ph\u01b0\u01a1ng ph\u00e1p m\u1ea1 ti\u1ebfp x\u00fac v\u00e0 ph\u01b0\u01a1ng ph\u00e1p kh\u1eed.<\/p>\n

10. Ph\u01b0\u01a1ng ph\u00e1p ch\u1ea5t l\u1ecfng si\u00eau t\u1edbi h\u1ea1n. \u0110\u00e2y l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 m\u1edbi v\u1eabn \u0111ang \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u. Trong \u0111i\u1ec1u ki\u1ec7n si\u00eau t\u1edbi h\u1ea1n, vi\u1ec7c gi\u1ea3m \u00e1p su\u1ea5t c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn qu\u00e1 b\u00e3o h\u00f2a v\u00e0 c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u1ed1c \u0111\u1ed9 qu\u00e1 b\u00e3o h\u00f2a cao, do \u0111\u00f3 ch\u1ea5t tan r\u1eafn k\u1ebft tinh t\u1eeb dung d\u1ecbch si\u00eau t\u1edbi h\u1ea1n.<\/p>\n

11. L\u1eafng \u0111\u1ecdng h\u01a1i h\u00f3a h\u1ecdc. \u1ede nhi\u1ec7t \u0111\u1ed9 t\u01b0\u01a1ng \u0111\u1ed1i cao, h\u1ed7n h\u1ee3p kh\u00ed t\u01b0\u01a1ng t\u00e1c v\u1edbi b\u1ec1 m\u1eb7t c\u1ee7a ch\u1ea5t n\u1ec1n, khi\u1ebfn m\u1ed9t s\u1ed1 th\u00e0nh ph\u1ea7n trong h\u1ed7n h\u1ee3p kh\u00ed ph\u00e2n h\u1ee7y v\u00e0 t\u1ea1o th\u00e0nh l\u1edbp ph\u1ee7 kim lo\u1ea1i ho\u1eb7c h\u1ee3p ch\u1ea5t tr\u00ean ch\u1ea5t n\u1ec1n.<\/p>\n

12. Ph\u01b0\u01a1ng ph\u00e1p n\u0103ng l\u01b0\u1ee3ng cao. Ph\u01b0\u01a1ng ph\u00e1p ph\u1ee7 h\u1ea1t nano b\u1eb1ng tia h\u1ed3ng ngo\u1ea1i, tia c\u1ef1c t\u00edm, tia gamma, ph\u00f3ng \u0111i\u1ec7n corona, plasma, v.v. \u0111\u01b0\u1ee3c g\u1ecdi chung l\u00e0 ph\u01b0\u01a1ng ph\u00e1p n\u0103ng l\u01b0\u1ee3ng cao. Ph\u01b0\u01a1ng ph\u00e1p n\u0103ng l\u01b0\u1ee3ng cao th\u01b0\u1eddng s\u1eed d\u1ee5ng m\u1ed9t s\u1ed1 ch\u1ea5t c\u00f3 nh\u00f3m ch\u1ee9c n\u0103ng ho\u1ea1t \u0111\u1ed9ng \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c l\u1edbp ph\u1ee7 b\u1ec1 m\u1eb7t c\u1ee7a h\u1ea1t nano d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a c\u00e1c h\u1ea1t n\u0103ng l\u01b0\u1ee3ng cao.<\/p>\n

13. Ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n h\u1ee7y nhi\u1ec7t phun. Nguy\u00ean l\u00fd c\u1ee7a quy tr\u00ecnh l\u00e0 phun dung d\u1ecbch h\u1ed7n h\u1ee3p g\u1ed3m m\u1ed9t s\u1ed1 mu\u1ed1i ch\u1ee9a c\u00e1c ion d\u01b0\u01a1ng c\u1ea7n thi\u1ebft v\u00e0o s\u01b0\u01a1ng m\u00f9, \u0111\u01b0a v\u00e0o bu\u1ed3ng ph\u1ea3n \u1ee9ng \u0111\u01b0\u1ee3c gia nhi\u1ec7t \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 \u0111\u00e3 \u0111\u1eb7t v\u00e0 t\u1ea1o ra c\u00e1c h\u1ea1t b\u1ed9t composite m\u1ecbn th\u00f4ng qua ph\u1ea3n \u1ee9ng.<\/p>\n

14. Ph\u01b0\u01a1ng ph\u00e1p vi nang. M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t bao ph\u1ee7 m\u1ed9t l\u1edbp m\u00e0ng \u0111\u1ed3ng nh\u1ea5t c\u00f3 \u0111\u1ed9 d\u00e0y nh\u1ea5t \u0111\u1ecbnh tr\u00ean b\u1ec1 m\u1eb7t b\u1ed9t. K\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a c\u00e1c vi nang th\u01b0\u1eddng \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb l\u00e0 2 \u0111\u1ebfn 1000 \u03bcm v\u00e0 \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u th\u00e0nh l\u00e0 0,2 \u0111\u1ebfn 10 \u03bcm.<\/p>\n","protected":false},"excerpt":{"rendered":"

B\u1ed9t si\u00eau m\u1ecbn \u0111\u00e3 \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u r\u1ed9ng r\u00e3i nh\u01b0 m\u1ed9t v\u1eadt li\u1ec7u ch\u1ee9c n\u0103ng trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y v\u00e0 ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c ph\u00e1t tri\u1ec3n kinh t\u1ebf qu\u1ed1c gia.<\/p>\n","protected":false},"author":7,"featured_media":135965,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-135994","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\/135994","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=135994"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/135994\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/135965"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=135994"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=135994"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=135994"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}