{"id":132509,"date":"2024-06-14T10:19:51","date_gmt":"2024-06-14T02:19:51","guid":{"rendered":"https:\/\/www.alpapowder.com\/132509\/"},"modified":"2024-06-14T10:19:51","modified_gmt":"2024-06-14T02:19:51","slug":"bien-doi-be-mat-cua-bot-gom","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/132509\/","title":{"rendered":"Bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t c\u1ee7a b\u1ed9t g\u1ed1m"},"content":{"rendered":"

\"\"<\/p>\n

S\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t c\u1ee7a b\u1ed9t g\u1ed1m l\u00e0 c\u00f4ng ngh\u1ec7 ch\u1ee7 ch\u1ed1t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t c\u1ee7a ch\u00fang trong c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u1ed9 ph\u00e2n t\u00e1n, t\u00ednh l\u01b0u \u0111\u1ed9ng, kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi ch\u1ea5t k\u1ebft d\u00ednh, t\u00ednh \u0111\u1ed3ng nh\u1ea5t v\u00e0 m\u1eadt \u0111\u1ed9 c\u1ee7a s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng. M\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t ch\u00ednh v\u00e0 t\u00e1c d\u1ee5ng c\u1ee7a ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00f3m t\u1eaft.<\/p>\n

Ph\u1ea3n \u1ee9ng este h\u00f3a axit cacboxylic h\u1eefu c\u01a1<\/p>\n

Ph\u1ea3n \u1ee9ng este h\u00f3a gi\u1eefa axit cacboxylic h\u1eefu c\u01a1 v\u00e0 c\u00e1c nh\u00f3m hydroxyl tr\u00ean b\u1ec1 m\u1eb7t b\u1ed9t nh\u01b0 alumina c\u00f3 th\u1ec3 thay \u0111\u1ed5i c\u1ea5u tr\u00fac b\u1ec1 m\u1eb7t polyhydroxyl ph\u00e2n c\u1ef1c cao th\u00e0nh c\u1ea5u tr\u00fac b\u1ec1 m\u1eb7t h\u1eefu c\u01a1 kh\u00f4ng ph\u00e2n c\u1ef1c \u0111\u01b0\u1ee3c bao ph\u1ee7 b\u1edfi chu\u1ed7i hydrocarbon d\u00e0i, t\u1eeb \u0111\u00f3 lo\u1ea1i b\u1ecf s\u1ef1 k\u1ebft t\u1ee5 c\u1ee9ng gi\u1eefa c\u00e1c lo\u1ea1i b\u1ed9t, l\u00e0m gi\u1ea3m ma s\u00e1t b\u00ean trong trong qu\u00e1 tr\u00ecnh \u00e9p, c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 t\u00ednh \u0111\u1ed3ng nh\u1ea5t v\u00e0 m\u1eadt \u0111\u1ed9 c\u1ee7a th\u00e2n v\u00e0 s\u1ea3n ph\u1ea9m g\u1ed1m xanh, \u0111\u1ed3ng th\u1eddi c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 b\u1ec1n c\u1ee7a s\u1ea3n ph\u1ea9m.<\/p>\n

C\u00f4ng ngh\u1ec7 ph\u1ee7 h\u00f3a h\u1ecdc pha l\u1ecfng<\/p>\n

Vi\u1ec7c s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t v\u00e0 l\u1edbp ph\u1ee7 b\u1ec1 m\u1eb7t c\u1ee7a b\u1ed9t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n c\u1ee7a b\u1ed9t v\u00e0 thay \u0111\u1ed5i c\u1ea5u tr\u00fac pha v\u00e0 t\u00ednh ch\u1ea5t c\u1ee7a b\u1ed9t. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c l\u1edbp polymer kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 polyetylen, polystyrene v\u00e0 polymethyl methacrylate, \u0111\u01b0\u1ee3c tr\u00f9ng h\u1ee3p tr\u00ean b\u1ec1 m\u1eb7t b\u1ed9t ZrO2 v\u00e0 SiC si\u00eau m\u1ecbn b\u1eb1ng ph\u1ea3n \u1ee9ng tr\u00f9ng h\u1ee3p plasma \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p.<\/p>\n

S\u1eed d\u1ee5ng axit stearic v\u00e0 axit adipic<\/p>\n

C\u00e1c nh\u00f3m carboxyl trong axit stearic v\u00e0 axit adipic tr\u1ea3i qua ph\u1ea3n \u1ee9ng este h\u00f3a v\u1edbi c\u00e1c nh\u00f3m hydroxyl tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c h\u1ea1t b\u1ed9t oxit nano zirconium \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t m\u00e0ng \u0111\u01a1n ph\u00e2n t\u1eed tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a ch\u00fang, do \u0111\u00f3 b\u1ed9t oxit nano zirconium bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c chuy\u1ec3n t\u1eeb c\u1ef1c sang kh\u00f4ng -c\u1ef1c, \u0111\u1ed3ng th\u1eddi th\u1ec3 hi\u1ec7n t\u00ednh ch\u1ea5t d\u00f2ng ch\u1ea3y t\u1ed1t.<\/p>\n

Ti\u1ec1n x\u1eed l\u00fd oxy h\u00f3a<\/p>\n

B\u1eb1ng c\u00e1ch oxy h\u00f3a ti\u1ec1n x\u1eed l\u00fd b\u1ed9t Si3N4, c\u00f3 th\u1ec3 thu \u0111\u01b0\u1ee3c m\u1ed9t l\u1edbp ph\u1ee7 ch\u1ee7 y\u1ebfu bao g\u1ed3m Si2N2O tr\u00ean b\u1ec1 m\u1eb7t. Ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd n\u00e0y c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 nh\u1edbt c\u1ee7a b\u00f9n, t\u0103ng l\u01b0\u1ee3ng pha l\u1ecfng trong qu\u00e1 tr\u00ecnh thi\u00eau k\u1ebft, th\u00fac \u0111\u1ea9y qu\u00e1 tr\u00ecnh c\u00f4 \u0111\u1eb7c v\u00e0 \u1ee9c ch\u1ebf qu\u00e1 tr\u00ecnh t\u1ea1o m\u1ea7m c\u1ee7a b-Si3N4.<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec1n bi n\u0103ng l\u01b0\u1ee3ng cao<\/p>\n

\u0110\u01b0a nano-Al2O3 v\u00e0o ZrB2 th\u00f4ng qua qu\u00e1 tr\u00ecnh nghi\u1ec1n bi n\u0103ng l\u01b0\u1ee3ng cao \u0111\u1ec3 t\u1ea1o th\u00e0nh b\u1ed9t g\u1ed1m composite ZrB2-Al2O3, sau \u0111\u00f3 th\u1ef1c hi\u1ec7n bi\u1ebfn \u0111\u1ed5i ch\u1ee9c n\u0103ng h\u1eefu c\u01a1 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n c\u1ee7a b\u1ed9t trong nh\u1ef1a epoxy v\u00e0 v\u1eadt li\u1ec7u composite bi\u1ebfn t\u00ednh c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t cao h\u01a1n.<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ed3ng k\u1ebft t\u1ee7a bari oxalat<\/p>\n

Ch\u1ecdn b\u1ed9t BaTiO3 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ed3ng k\u1ebft t\u1ee7a bari oxalat l\u00e0m nguy\u00ean li\u1ec7u th\u00f4, th\u00eam MgO \u0111\u1ec3 thay \u0111\u1ed5i b\u1ec1 m\u1eb7t c\u1ee7a h\u1ea1t b\u1ed9t c\u00f3 th\u1ec3 ng\u0103n ch\u1eb7n s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a h\u1ea1t, t\u0103ng m\u1eadt \u0111\u1ed9, m\u1edf r\u1ed9ng ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 nung v\u00e0 t\u0103ng \u0111\u1ed9 c\u1ee9ng.<\/p>\n

S\u1eeda \u0111\u1ed5i l\u1edbp ph\u1ee7 t\u00e1c nh\u00e2n gh\u00e9p n\u1ed1i Silane<\/p>\n

S\u1eed d\u1ee5ng ch\u1ea5t li\u00ean k\u1ebft silane KH-845-4 \u0111\u1ec3 ph\u1ee7 v\u00e0 bi\u1ebfn \u0111\u1ed5i b\u1ed9t g\u1ed1m nano-Si3N4 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh huy\u1ec1n ph\u00f9, \u0111o nhi\u1ec7t l\u01b0\u1ee3ng, ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t v\u00e0 c\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd kh\u00e1c c\u1ee7a b\u1ed9t trong dung m\u00f4i.<\/p>\n

S\u1eeda \u0111\u1ed5i tr\u00f9ng h\u1ee3p nh\u0169 t\u01b0\u01a1ng<\/p>\n

B\u1ed9t g\u1ed1m ZrO2 si\u00eau m\u1ecbn \u0111\u01b0\u1ee3c th\u00eam v\u00e0o nh\u0169 t\u01b0\u01a1ng polymer c\u1ee7a methyl methacrylate (MMA) v\u00e0 styrene (ST) \u0111\u1ec3 \u0111i\u1ec1u ch\u1ebf b\u1ed9t g\u1ed1m ph\u1ee7 polymer. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng tr\u00e1nh k\u1ebft t\u1ee5 c\u1ee7a b\u1ed9t v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u00e9p phun \u0111\u1ec3 chu\u1ea9n b\u1ecb v\u1eadt li\u1ec7u phun g\u1ed1m l\u1ecfng v\u00e0 \u0111\u1ed3ng nh\u1ea5t.<\/p>\n","protected":false},"excerpt":{"rendered":"

C\u00f3 nhi\u1ec1u c\u00f4ng ngh\u1ec7 bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t kh\u00e1c nhau cho b\u1ed9t g\u1ed1m v\u00e0 m\u1ed7i ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec1u c\u00f3 c\u00e1c k\u1ecbch b\u1ea3n v\u00e0 t\u00e1c d\u1ee5ng \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3.<\/p>\n","protected":false},"author":7,"featured_media":132474,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-132509","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\/132509"}],"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=132509"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/132509\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/132474"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=132509"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=132509"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=132509"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}