{"id":126885,"date":"2023-04-17T15:38:33","date_gmt":"2023-04-17T07:38:33","guid":{"rendered":"https:\/\/www.alpapowder.com\/126885\/"},"modified":"2023-04-17T15:38:34","modified_gmt":"2023-04-17T07:38:34","slug":"ung-dung-cua-bot-wollastonite-hoat-tinh","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/126885\/","title":{"rendered":"\u1ee8ng d\u1ee5ng c\u1ee7a b\u1ed9t wollastonite ho\u1ea1t t\u00ednh"},"content":{"rendered":"

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B\u1ed9t wollastonite ho\u1ea1t t\u00ednh l\u00e0 m\u1ed9t lo\u1ea1i b\u1ed9t m\u1ec1m, m\u1ecbn, m\u00e0u tr\u1eafng. S\u1ef1 kh\u00e1c bi\u1ec7t so v\u1edbi b\u1ed9t wollastonite th\u00f4ng th\u01b0\u1eddng l\u00e0 m\u1ed9t l\u1edbp x\u00e0 ph\u00f2ng axit b\u00e9o \u0111\u01b0\u1ee3c h\u1ea5p ph\u1ee5 tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a h\u1ea1t, l\u00e0m cho n\u00f3 c\u00f3 hi\u1ec7u su\u1ea5t k\u00edch ho\u1ea1t keo v\u00e0 m\u1eadt \u0111\u1ed9 t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a n\u00f3 th\u1ea5p h\u01a1n so v\u1edbi wollastonite th\u00f4ng th\u01b0\u1eddng (kho\u1ea3ng 2,3-2,5), quy tr\u00ecnh s\u1ea3n xu\u1ea5t v\u1ec1 c\u01a1 b\u1ea3n gi\u1ed1ng nh\u01b0 quy tr\u00ecnh s\u1ea3n xu\u1ea5t b\u1ed9t wollastonite th\u00f4ng th\u01b0\u1eddng, ngo\u1ea1i tr\u1eeb quy tr\u00ecnh x\u1eed l\u00fd b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c th\u00eam v\u00e0o.<\/p>\n

Ph\u1ea1m vi \u1ee9ng d\u1ee5ng: B\u1ed9t Wollastonite sau khi k\u00edch ho\u1ea1t \u1edf nhi\u1ec7t \u0111\u1ed9 cao c\u00f3 ph\u1ea1m vi \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i v\u00e0 \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong cao su t\u1ef1 nhi\u00ean, cao su t\u1ed5ng h\u1ee3p, nh\u1ef1a epoxy, nh\u1ef1a phenolic, polyester nhi\u1ec7t d\u1ebbo, polyester nhi\u1ec7t r\u1eafn, polyolefin, polypropylen, polyetylen, polyvinyl clorua, nh\u1ef1a kh\u00f4ng b\u00e3o h\u00f2a , da, nylon, th\u00e9p th\u1ee7y tinh, g\u1ed1m s\u1ee9, s\u01a1n v\u00e0 ch\u1ea5t ph\u1ee7 v\u00e0 c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c. H\u00ecnh d\u1ea1ng c\u01a1 th\u1ec3 c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 thay th\u1ebf c\u00e1c ch\u1ea5t \u0111\u1ed9c h\u1ea1i nh\u01b0 ami\u0103ng v\u00e0 s\u1ee3i th\u1ee7y tinh. N\u00f3 c\u00f3 th\u1ec3 thay th\u1ebf m\u1ed9t s\u1ed1 titan dioxide \u0111\u1eaft ti\u1ec1n v\u00e0 c\u00f3 th\u1ec3 thay th\u1ebf 30% lithopone trong s\u01a1n. \u01afu \u0111i\u1ec3m c\u1ee7a b\u1ed9t wollastonite ho\u1ea1t t\u00ednh c\u00f3 ch\u1ee9a silicon<\/a> dioxide c\u00f3 th\u1ec3 thay th\u1ebf 50% -80% mu\u1ed9i than tr\u1eafng. Wollastonite c\u00f3 d\u1ea1ng h\u00ecnh kim v\u00e0 \u00e1nh th\u1ee7y tinh tr\u1eafng v\u00e0 \u0111\u00e3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho c\u00e1c l\u0129nh v\u1ef1c c\u00f4ng nghi\u1ec7p kh\u00e1c nhau. N\u00f3 mang ti\u1ebfng l\u00e0 b\u1ed9t ng\u1ecdt c\u00f4ng nghi\u1ec7p.<\/p>\n

B\u1ed9t wollastonite ho\u1ea1t t\u00ednh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh cao su: th\u1ee9 nh\u1ea5t, n\u00f3 c\u00f3 th\u1ec3 gi\u1ea3m chi ph\u00ed s\u1ea3n xu\u1ea5t s\u1ea3n ph\u1ea9m v\u00e0 t\u0103ng m\u1eadt \u0111\u1ed9 kh\u1ed1i; quan tr\u1ecdng h\u01a1n, n\u00f3 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t to\u00e0n di\u1ec7n c\u1ee7a s\u1ea3n ph\u1ea9m nh\u01b0 m\u1ed9t ch\u1ea5t b\u1ed5 sung ch\u1ee9c n\u0103ng. Ch\u1eb3ng h\u1ea1n nh\u01b0 t\u0103ng c\u01b0\u1eddng v\u00e0 gia c\u1ed1 s\u1ea3n ph\u1ea9m; \u0111i\u1ec1u ch\u1ec9nh t\u00ednh l\u01b0u \u0111\u1ed9ng c\u1ee7a cao su v\u00e0 \u0111\u1ed9 d\u1ebbo c\u1ee7a h\u1ed7n h\u1ee3p, ch\u1ed1ng co ng\u00f3t, t\u00ednh ch\u1ea5t b\u1ec1 m\u1eb7t, v.v., c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a s\u1ea3n ph\u1ea9m cao su, ch\u1eb3ng h\u1ea1n nh\u01b0 gi\u1ea3m t\u00ednh th\u1ea5m, thay \u0111\u1ed5i ph\u1ea3n x\u1ea1 giao di\u1ec7n, ch\u1ed1ng n\u01b0\u1edbc v\u00e0 ch\u1ed1ng th\u1eddi ti\u1ebft, ch\u1ed1ng ch\u00e1y, ch\u1ed1ng d\u1ea7u t\u00f4 m\u00e0u v\u00e0 \u0111\u1ed9 m\u1edd. N\u00f3 c\u0169ng c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 c\u00e1ch \u0111i\u1ec7n c\u1ee7a s\u1ea3n ph\u1ea9m. T\u0103ng nhi\u1ec7t \u0111\u1ed9 bi\u1ebfn d\u1ea1ng nhi\u1ec7t c\u1ee7a s\u1ea3n ph\u1ea9m; gi\u1ea3m nhi\u1ec7t dung ri\u00eang v\u00e0 t\u0103ng kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t. N\u00f3 c\u00f3 th\u1ec3 thay th\u1ebf mu\u1ed9i than tr\u1eafng, v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh ch\u00ednh c\u1ee7a s\u1ea3n ph\u1ea9m \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n \u1edf c\u00e1c m\u1ee9c \u0111\u1ed9 kh\u00e1c nhau; ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u1ed9 c\u1ee9ng, \u0111\u1ed9 gi\u00e3n d\u00e0i, \u0111\u1ed9 b\u1ec1n \u0111\u1ee9t, bi\u1ebfn d\u1ea1ng v\u0129nh vi\u1ec5n v\u00e0 \u0111\u1ed9 m\u00e0i m\u00f2n theo th\u1ec3 t\u00edch, v.v. \u0111\u1ec1u v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi mu\u1ed9i than tr\u1eafng. N\u00f3 c\u00f3 t\u00e1c d\u1ee5ng c\u1ee7ng c\u1ed1 r\u1ea5t t\u1ed1t. \u0110\u1eb7c bi\u1ec7t th\u00edch h\u1ee3p cho c\u00e1c s\u1ea3n ph\u1ea9m ch\u1ecbu m\u00e0i m\u00f2n cao nh\u01b0 gi\u00e0y cao su v\u00e0 l\u1ed1p xe.<\/p>\n

Wollastonite ho\u1ea1t t\u00ednh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ed9t s\u1ed1 s\u1ea3n ph\u1ea9m s\u01a1n v\u00e0 ch\u1ea5t ph\u1ee7: n\u00f3 thay th\u1ebf m\u1ed9t ph\u1ea7n lithopone v\u00e0 titan dioxide \u0111\u1ec3 c\u1ea3i thi\u1ec7n t\u00ednh l\u01b0u \u0111\u1ed9ng c\u1ee7a l\u1edbp ph\u1ee7. H\u00ecnh d\u1ea1ng h\u1ea1t c\u1ee7a wollastonite l\u00e0 m\u1ed9t ch\u1ea5t l\u01a1 l\u1eedng t\u1ed1t cho l\u1edbp ph\u1ee7. Ch\u1ea5t t\u0103ng c\u01b0\u1eddng cho s\u01a1n s\u1ea1ch ch\u1ecbu t\u1ea3i tr\u1ecdng cao nh\u1edd kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 d\u1ea7u th\u1ea5p. Vi\u1ec7c ti\u00eau th\u1ee5 ch\u1ea5t k\u1ebft d\u00ednh gi\u1ea3m, do \u0111\u00f3 chi ph\u00ed s\u01a1n ph\u1ee7 gi\u1ea3m \u0111\u00e1ng k\u1ec3. B\u1ea3n ch\u1ea5t ki\u1ec1m c\u1ee7a wollastonite r\u1ea5t ph\u00f9 h\u1ee3p v\u1edbi l\u1edbp ph\u1ee7 polyvinyl axetat, do \u0111\u00f3 m\u00e0u c\u00f3 th\u1ec3 ph\u00e2n t\u00e1n \u0111\u1ec1u. N\u00f3 c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i c\u00e1c s\u1eafc t\u1ed1 ph\u00f9 h\u1ee3p v\u1edbi m\u00f4i tr\u01b0\u1eddng axit, v\u00e0 c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh c\u00e1c l\u1edbp ph\u1ee7 s\u00e1ng m\u00e0u. B\u1ec1 m\u1eb7t c\u00f3 s\u1ef1 ph\u00e2n b\u1ed1 \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 hi\u1ec7u su\u1ea5t phun t\u1ed1t. L\u00e0 ch\u1ea5t \u0111\u1ed9n; n\u00f3 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a l\u1edbp ph\u1ee7 m\u1edbi. N\u00f3 th\u00edch h\u1ee3p cho c\u00e1c l\u1edbp ph\u1ee7 g\u1ed1c n\u01b0\u1edbc nh\u01b0 polyvinyl formal, v\u00e0 c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c lo\u1ea1i s\u01a1n c\u1ea5p th\u1ea5p, l\u1edbp ph\u1ee7 trung gian, l\u1edbp ph\u1ee7 v\u1ea1ch k\u1ebb \u0111\u01b0\u1eddng; l\u1edbp ph\u1ee7 c\u00e1ch \u00e2m; l\u1edbp ph\u1ee7 ch\u1ed1ng ch\u00e1y, l\u1edbp ph\u1ee7 nh\u1ef1a \u0111\u01b0\u1eddng c\u00f3 th\u1ec3 thay th\u1ebf ami\u0103ng. B\u1ed9t Wollastonite c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t gia c\u1ed1 trong s\u01a1n t\u1ef1 l\u00e0m s\u1ea1ch. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong men alkyd tr\u1eafng \u0111\u1ec3 thay th\u1ebf m\u1ed9t ph\u1ea7n titan dioxide; b\u1ed9t wollastonite sau khi x\u1eed l\u00fd b\u1ec1 m\u1eb7t silan c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u01a1n l\u00f3t epoxy ester \u0111\u1ecf s\u1eaft v\u00e0 s\u01a1n l\u00f3t alkyd \u0111\u1ecf s\u1eaft \u0111\u1ec3 thay th\u1ebf t\u1ea5t c\u1ea3 b\u1ed9t talc, bari sulfat k\u1ebft t\u1ee7a v\u00e0 oxit k\u1ebdm n\u00f3ng ch\u1ea3y.<\/p>\n","protected":false},"excerpt":{"rendered":"

B\u1ed9t wollastonite ho\u1ea1t t\u00ednh l\u00e0 m\u1ed9t lo\u1ea1i b\u1ed9t m\u1ec1m, m\u1ecbn, m\u00e0u tr\u1eafng. S\u1ef1 kh\u00e1c bi\u1ec7t so v\u1edbi b\u1ed9t wollastonite th\u00f4ng th\u01b0\u1eddng l\u00e0 m\u1ed9t l\u1edbp x\u00e0 ph\u00f2ng axit b\u00e9o \u0111\u01b0\u1ee3c h\u1ea5p ph\u1ee5 tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a h\u1ea1t.<\/p>\n","protected":false},"author":7,"featured_media":126846,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-126885","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\/126885","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=126885"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/126885\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/126846"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=126885"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=126885"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=126885"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}