{"id":126440,"date":"2023-03-17T14:03:38","date_gmt":"2023-03-17T06:03:38","guid":{"rendered":"https:\/\/www.alpapowder.com\/126440\/"},"modified":"2023-03-17T14:03:39","modified_gmt":"2023-03-17T06:03:39","slug":"hieu-ung-bien-doi-be-mat-nano-canxi-cacbonat","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/126440\/","title":{"rendered":"Hi\u1ec7u \u1ee9ng bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t nano canxi cacbonat"},"content":{"rendered":"

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Vi\u1ec7c \u0111\u00e1nh gi\u00e1 t\u00e1c \u0111\u1ed9ng s\u1eeda \u0111\u1ed5i l\u00e0 m\u1ed9t m\u1eaft x\u00edch thi\u1ebft y\u1ebfu trong qu\u00e1 tr\u00ecnh s\u1eeda \u0111\u1ed5i. M\u1ed9t s\u1ed1 ph\u1ecfng \u0111o\u00e1n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u00e1c minh b\u1eb1ng m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p ph\u00e1t hi\u1ec7n v\u00e0 qu\u00e1 tr\u00ecnh s\u1eeda \u0111\u1ed5i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh v\u00e0 t\u1ed1i \u01b0u h\u00f3a b\u1eb1ng c\u00e1ch ph\u00e2n t\u00edch c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng c\u1ee7a n\u00f3 \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t c\u1ee7a canxi cacbonat nano.<\/p>\n

Ch\u1ee7 y\u1ebfu c\u00f3 hai ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh gi\u00e1 truy\u1ec1n th\u1ed1ng, m\u1ed9t l\u00e0 tr\u1ef1c ti\u1ebfp ph\u00e1t hi\u1ec7n v\u00e0 \u0111\u00e1nh gi\u00e1 m\u1eabu \u0111\u00e3 s\u1eeda \u0111\u1ed5i, hai l\u00e0 bi\u1ebfn m\u1eabu \u0111\u00e3 s\u1eeda \u0111\u1ed5i th\u00e0nh v\u1eadt li\u1ec7u composite \u0111\u1ec3 nghi\u00ean c\u1ee9u hi\u1ec7u qu\u1ea3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u composite do s\u1eeda \u0111\u1ed5i. Trong khi \u0111\u00f3, \u0111\u00e1nh gi\u00e1 tr\u1ef1c ti\u1ebfp l\u00e0 nhanh ch\u00f3ng v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n

1. Ch\u1ec9 s\u1ed1 k\u00edch ho\u1ea1t v\u00e0 gi\u00e1 tr\u1ecb h\u1ea5p th\u1ee5 d\u1ea7u<\/p>\n

Ch\u1ec9 s\u1ed1 k\u00edch ho\u1ea1t v\u00e0 gi\u00e1 tr\u1ecb h\u1ea5p th\u1ee5 d\u1ea7u l\u00e0 c\u00e1c ch\u1ec9 s\u1ed1 \u0111\u00e1nh gi\u00e1 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho t\u00e1c d\u1ee5ng \u0111i\u1ec1u ch\u1ec9nh c\u1ee7a nano canxi cacbonat. Ch\u1ec9 s\u1ed1 k\u00edch ho\u1ea1t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 hi\u1ec7u \u1ee9ng k\u1ef5 n\u01b0\u1edbc c\u1ee7a canxi cacbonat nano sau khi s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t v\u00e0 gi\u00e1 tr\u1ecb h\u1ea5p th\u1ee5 d\u1ea7u \u0111\u1ec1 c\u1eadp \u0111\u1ebfn m\u1ee9c ti\u00eau th\u1ee5 d\u1ea7u c\u1ee7a canxi cacbonat nano trong \u1ee9ng d\u1ee5ng. N\u00f3i chung, ch\u1ec9 s\u1ed1 k\u00edch ho\u1ea1t c\u00e0ng cao v\u00e0 gi\u00e1 tr\u1ecb h\u1ea5p th\u1ee5 d\u1ea7u c\u00e0ng th\u1ea5p th\u00ec hi\u1ec7u \u1ee9ng s\u1eeda \u0111\u1ed5i c\u00e0ng t\u1ed1t.<\/p>\n

2. T\u00ednh k\u1ef5 n\u01b0\u1edbc<\/p>\n

T\u00ednh k\u1ef5 n\u01b0\u1edbc l\u00e0 m\u1ed9t ch\u1ec9 s\u1ed1 \u0111\u00e1nh gi\u00e1 quan tr\u1ecdng c\u1ee7a canxi cacbonat nano v\u00e0 n\u00f3 c\u0169ng l\u00e0 m\u1ed9t \u0111i\u1ec3m nghi\u00ean c\u1ee9u trong vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh canxi cacbonat nano. G\u00f3c ti\u1ebfp x\u00fac t\u0129nh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 m\u00f4 t\u1ea3 t\u00ednh k\u1ef5 n\u01b0\u1edbc c\u1ee7a canxi cacbonat nano. Lo\u1ea1i ch\u1ea5t bi\u1ebfn t\u00ednh c\u00f3 t\u00e1c \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn t\u00ednh k\u1ef5 n\u01b0\u1edbc c\u1ee7a canxi cacbonat nano bi\u1ebfn t\u00ednh. Axit stearic, ch\u1ea5t li\u00ean k\u1ebft silan, axit oleic, ch\u1ea5t li\u00ean k\u1ebft titanate, v.v … l\u00e0 nh\u1eefng ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh k\u1ef5 n\u01b0\u1edbc th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. Trong qu\u00e1 tr\u00ecnh bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t, c\u00e1c ch\u1ea5t bi\u1ebfn t\u00ednh n\u00e0y d\u1ea7n d\u1ea7n \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c h\u1ea1t, do \u0111\u00f3 l\u00e0m gi\u1ea3m n\u0103ng l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c h\u1ea1t canxi cacbonat nano.<\/p>\n

3. L\u01b0\u1ee3ng ph\u1ee7 v\u00e0 t\u1ef7 l\u1ec7 ph\u1ee7<\/p>\n

B\u1eb1ng c\u00e1ch ph\u00e1t hi\u1ec7n l\u01b0\u1ee3ng l\u1edbp ph\u1ee7 v\u00e0 t\u1ed1c \u0111\u1ed9 l\u1edbp ph\u1ee7, c\u00f3 th\u1ec3 hi\u1ec3u \u0111\u01b0\u1ee3c t\u00ecnh tr\u1ea1ng l\u1edbp ph\u1ee7 c\u1ee7a nano canxi cacbonat, \u0111i\u1ec1u n\u00e0y gi\u00fap \u00edch r\u1ea5t nhi\u1ec1u cho vi\u1ec7c nghi\u00ean c\u1ee9u c\u01a1 ch\u1ebf s\u1eeda \u0111\u1ed5i v\u00e0 \u0111\u00e1nh gi\u00e1 hi\u1ec7u \u1ee9ng s\u1eeda \u0111\u1ed5i. Th\u00f4ng th\u01b0\u1eddng, theo nhi\u1ec7t \u0111\u1ed9 ph\u00e2n h\u1ee7y ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 bay h\u01a1i c\u1ee7a c\u00e1c ch\u1ea5t kh\u00e1c nhau, canxi cacbonat nano \u0111\u00e3 bi\u1ebfn \u0111\u1ed5i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u0111o nhi\u1ec7t l\u01b0\u1ee3ng \u0111\u1ec3 thu \u0111\u01b0\u1ee3c l\u01b0\u1ee3ng l\u1edbp ph\u1ee7 c\u1ee7a ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh, sau \u0111\u00f3 c\u00f3 th\u1ec3 thu \u0111\u01b0\u1ee3c t\u1ef7 l\u1ec7 l\u1edbp ph\u1ee7.<\/p>\n

Ngo\u00e0i ra, m\u1ed9t s\u1ed1 nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh l\u1edbp ph\u1ee7 t\u01b0\u01a1ng \u1ee9ng th\u00f4ng qua nghi\u00ean c\u1ee9u c\u01a1 ch\u1ebf bi\u1ebfn \u0111\u1ed5i, t\u1eeb \u0111\u00f3 t\u00ednh to\u00e1n l\u01b0\u1ee3ng l\u1edbp ph\u1ee7 l\u00fd thuy\u1ebft ho\u1eb7c t\u1ed1c \u0111\u1ed9 l\u1edbp ph\u1ee7 v\u00e0 hi\u1ec3u t\u00ecnh h\u00ecnh l\u1edbp ph\u1ee7 b\u1eb1ng c\u00e1ch so s\u00e1nh n\u00f3 v\u1edbi l\u01b0\u1ee3ng l\u1edbp ph\u1ee7 ho\u1eb7c t\u1ed1c \u0111\u1ed9 l\u1edbp ph\u1ee7 th\u1ef1c t\u1ebf. , \u0111\u1ed3ng th\u1eddi cung c\u1ea5p c\u01a1 s\u1edf th\u1ef1c ti\u1ec5n cho vi\u1ec7c nghi\u00ean c\u1ee9u c\u01a1 ch\u1ebf s\u1eeda \u0111\u1ed5i.<\/p>\n

4. K\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh d\u1ea1ng h\u1ea1t<\/p>\n

K\u00edch th\u01b0\u1edbc h\u1ea1t v\u00e0 h\u00ecnh th\u00e1i c\u1ee7a canxi cacbonat nano ch\u1ee7 y\u1ebfu ph\u1ee5 thu\u1ed9c v\u00e0o qu\u00e1 tr\u00ecnh chu\u1ea9n b\u1ecb c\u1ee7a n\u00f3. Do \u0111\u00f3, trong qu\u00e1 tr\u00ecnh bi\u1ebfn t\u00ednh t\u1ea1i ch\u1ed7, c\u00e1c \u0111i\u1ec1u ki\u1ec7n x\u1eed l\u00fd nh\u01b0 n\u1ed3ng \u0111\u1ed9 pha l\u1ecfng, t\u1ed1c \u0111\u1ed9 khu\u1ea5y, nhi\u1ec7t \u0111\u1ed9, lo\u1ea1i v\u00e0 n\u1ed3ng \u0111\u1ed9 c\u1ee7a ch\u1ea5t bi\u1ebfn t\u00ednh s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn canxi cacbonat nano. B\u1eb1ng c\u00e1ch ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh t\u1ea1o m\u1ea7m, k\u1ebft tinh v\u00e0 t\u0103ng tr\u01b0\u1edfng c\u1ee7a c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y, c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ebf \u0111\u01b0\u1ee3c nano canxi cacbonat v\u1edbi c\u00e1c h\u00ecnh d\u1ea1ng v\u00e0 k\u00edch c\u1ee1 kh\u00e1c nhau.<\/p>\n

5. \u0110\u1ed9 tr\u1eafng<\/p>\n

\u0110\u1ed1i v\u1edbi s\u01a1n ph\u1ee7, s\u1ea3n xu\u1ea5t gi\u1ea5y, cao su, nh\u1ef1a v\u00e0 c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c, \u0111\u1ed9 tr\u1eafng l\u00e0 ch\u1ec9 s\u1ed1 quan tr\u1ecdng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 nano canxi cacbonat. \u0110\u1ed9 tr\u1eafng c\u1ee7a nano canxi cacbonat bi\u1ebfn t\u00ednh kh\u00f4ng ch\u1ec9 li\u00ean quan \u0111\u1ebfn vi\u1ec7c l\u1ef1a ch\u1ecdn ch\u1ea5t bi\u1ebfn t\u00ednh m\u00e0 c\u00f2n li\u00ean quan \u0111\u1ebfn \u0111\u1ed9 \u1ea9m, nhi\u1ec7t \u0111\u1ed9 s\u1ea5y v\u00e0 th\u1eddi gian s\u1ea5y. N\u00f3i chung, th\u1eddi gian s\u1ea5y c\u00e0ng l\u00e2u, nhi\u1ec7t \u0111\u1ed9 c\u00e0ng cao v\u00e0 \u0111\u1ed9 \u1ea9m c\u00e0ng \u00edt th\u00ec \u0111\u1ed9 tr\u1eafng c\u00e0ng cao.<\/p>\n

6. Ph\u00e2n t\u00e1n<\/p>\n

Nano-canxi cacbonat c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i l\u00e0m ch\u1ea5t \u0111\u1ed9n trong cao su, nh\u1ef1a, gi\u1ea5y v\u00e0 c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c. V\u00ec v\u1eady, \u0111\u1ed9 ph\u00e2n t\u00e1n c\u1ee7a canxi cacbonat nano trong c\u01a1 th\u1ec3 sinh v\u1eadt c\u0169ng l\u00e0 m\u1ed9t ch\u1ec9 s\u1ed1 \u0111\u00e1nh gi\u00e1 quan tr\u1ecdng. B\u1eb1ng c\u00e1ch qu\u00e9t sinh v\u1eadt ch\u1ee9a \u0111\u1ea7y b\u1eb1ng k\u00ednh hi\u1ec3n vi \u0111i\u1ec7n t\u1eed, c\u00f3 th\u1ec3 quan s\u00e1t tr\u1ef1c quan s\u1ef1 ph\u00e2n b\u1ed1 c\u1ee7a nano canxi cacbonat. Ngo\u00e0i hi\u1ec7u su\u1ea5t v\u00e0 hi\u1ec7u \u1ee9ng s\u1eeda \u0111\u1ed5i c\u1ee7a ch\u00ednh canxi cacbonat nano, l\u01b0\u1ee3ng l\u1ea5p \u0111\u1ea7y c\u1ee7a n\u00f3 c\u0169ng l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 ph\u00e2n t\u00e1n.<\/p>\n","protected":false},"excerpt":{"rendered":"

Vi\u1ec7c \u0111\u00e1nh gi\u00e1 hi\u1ec7u qu\u1ea3 s\u1eeda \u0111\u1ed5i l\u00e0 m\u1ed9t m\u1eaft x\u00edch thi\u1ebft y\u1ebfu trong qu\u00e1 tr\u00ecnh s\u1eeda \u0111\u1ed5i<\/p>\n","protected":false},"author":7,"featured_media":126402,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-126440","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\/126440","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=126440"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/126440\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/126402"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=126440"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=126440"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=126440"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}