{"id":136512,"date":"2025-10-31T09:59:34","date_gmt":"2025-10-31T01:59:34","guid":{"rendered":"https:\/\/www.alpapowder.com\/136512\/"},"modified":"2025-10-31T09:59:34","modified_gmt":"2025-10-31T01:59:34","slug":"ung-dung-va-phat-trien-vat-lieu-bot-vo-co-trong-nganh-cao-su","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/136512\/","title":{"rendered":"\u1ee8ng d\u1ee5ng v\u00e0 ph\u00e1t tri\u1ec3n v\u1eadt li\u1ec7u b\u1ed9t v\u00f4 c\u01a1 trong ng\u00e0nh cao su"},"content":{"rendered":"

\"\"<\/p>\n

Cao su \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong v\u1eadn t\u1ea3i, m\u00e1y m\u00f3c, \u0111i\u1ec7n t\u1eed, qu\u1ed1c ph\u00f2ng v\u00e0 c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c c\u1ee7a n\u1ec1n kinh t\u1ebf qu\u1ed1c d\u00e2n. Tuy nhi\u00ean, cao su c\u0169ng c\u00f3 nh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m \u0111\u00e1ng k\u1ec3, ch\u1eb3ng h\u1ea1n nh\u01b0 l\u1ef1c li\u00ean k\u1ebft ph\u00e2n t\u1eed y\u1ebfu, th\u1ec3 t\u00edch t\u1ef1 do l\u1edbn v\u00e0 kh\u1ea3 n\u0103ng t\u1ef1 k\u1ebft tinh k\u00e9m, d\u1eabn \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n v\u00e0 m\u00f4 \u0111un \u0111\u00e0n h\u1ed3i th\u1ea5p, kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n k\u00e9m trong v\u1eadt li\u1ec7u cao su. Do \u0111\u00f3, c\u1ea7n b\u1ed5 sung ch\u1ea5t \u0111\u1ed9n v\u00f4 c\u01a1 phi kim lo\u1ea1i \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1ee7a nh\u1eefng \u1ee9ng d\u1ee5ng n\u00e0y.<\/p>\n

Nh\u00ecn chung, ch\u1ea5t \u0111\u1ed9n v\u00f4 c\u01a1 phi kim lo\u1ea1i trong cao su ch\u1ee7 y\u1ebfu c\u00f3 c\u00e1c ch\u1ee9c n\u0103ng sau: gia c\u01b0\u1eddng, l\u00e0m \u0111\u1ea7y (t\u0103ng th\u1ec3 t\u00edch) v\u00e0 gi\u1ea3m chi ph\u00ed, c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t gia c\u00f4ng, \u0111i\u1ec1u ch\u1ec9nh c\u00e1c \u0111\u1eb7c t\u00ednh l\u01b0u h\u00f3a v\u00e0 mang l\u1ea1i c\u00e1c ch\u1ee9c n\u0103ng \u0111\u1eb7c bi\u1ec7t.<\/p>\n

C\u00e1c ch\u1ea5t \u0111\u1ed9n kho\u00e1ng v\u00f4 c\u01a1 phi kim lo\u1ea1i th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong cao su<\/p>\n

(1) Silica<\/p>\n

Silica hi\u1ec7n l\u00e0 ch\u1ea5t gia c\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i th\u1ee9 hai trong ng\u00e0nh c\u00f4ng nghi\u1ec7p cao su sau than \u0111en. C\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc c\u1ee7a silica l\u00e0 SiO2\u00b7nH2O. C\u1ea5u tr\u00fac h\u1ea1t c\u1ee7a n\u00f3 ch\u1ee9a nhi\u1ec1u l\u1ed7 r\u1ed7ng. Khi c\u00e1c l\u1ed7 r\u1ed7ng n\u00e0y n\u1eb1m trong kho\u1ea3ng 2nm-60nm, ch\u00fang d\u1ec5 d\u00e0ng k\u1ebft h\u1ee3p v\u1edbi c\u00e1c polyme kh\u00e1c, \u0111\u00f3 l\u00e0 l\u00fd do ch\u00ednh t\u1ea1i sao silica \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t gia c\u01b0\u1eddng. L\u00e0 m\u1ed9t ch\u1ea5t gia c\u01b0\u1eddng, silica c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 ch\u1ed1ng r\u00e1ch c\u1ee7a v\u1eadt li\u1ec7u. N\u00f3 c\u0169ng c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a l\u1ed1p xe v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong xe c\u1ed9, d\u1ee5ng c\u1ee5, h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c.<\/p>\n

(2) Canxi Cacbonat Nh\u1eb9<\/p>\n

Canxi Cacbonat Nh\u1eb9 l\u00e0 m\u1ed9t trong nh\u1eefng ch\u1ea5t \u0111\u1ed9n s\u1edbm nh\u1ea5t v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t trong ng\u00e0nh c\u00f4ng nghi\u1ec7p cao su. Vi\u1ec7c b\u1ed5 sung m\u1ed9t l\u01b0\u1ee3ng l\u1edbn canxi cacbonat nh\u1eb9 v\u00e0o cao su c\u00f3 th\u1ec3 l\u00e0m t\u0103ng th\u1ec3 t\u00edch s\u1ea3n ph\u1ea9m, do \u0111\u00f3 ti\u1ebft ki\u1ec7m cao su thi\u00ean nhi\u00ean \u0111\u1eaft ti\u1ec1n v\u00e0 gi\u1ea3m chi ph\u00ed. Cao su ch\u00e8n canxi cacbonat nh\u1eb9 c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n k\u00e9o, kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 \u0111\u1ed9 b\u1ec1n x\u00e9 cao h\u01a1n so v\u1edbi cao su l\u01b0u h\u00f3a nguy\u00ean ch\u1ea5t. N\u00f3 c\u00f3 t\u00e1c d\u1ee5ng gia c\u01b0\u1eddng \u0111\u00e1ng k\u1ec3 trong c\u1ea3 cao su thi\u00ean nhi\u00ean v\u00e0 cao su t\u1ed5ng h\u1ee3p, \u0111\u1ed3ng th\u1eddi c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 \u0111\u1eb7c. Trong ng\u00e0nh c\u00f4ng nghi\u1ec7p c\u00e1p, n\u00f3 c\u00f3 th\u1ec3 cung c\u1ea5p m\u1ed9t m\u1ee9c \u0111\u1ed9 c\u00e1ch \u0111i\u1ec7n nh\u1ea5t \u0111\u1ecbnh. (3) Cao lanh<\/p>\n

Kaolinit l\u00e0 m\u1ed9t lo\u1ea1i aluminosilicat ng\u1eadm n\u01b0\u1edbc, m\u1ed9t lo\u1ea1i kho\u00e1ng s\u00e9t ph\u1ed5 bi\u1ebfn. \u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a n\u00f3 trong cao su gi\u00fap t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 \u0111\u00e0n h\u1ed3i, \u0111\u1eb7c t\u00ednh ch\u1eafn, \u0111\u1ed9 gi\u00e3n d\u00e0i v\u00e0 \u0111\u1ed9 b\u1ec1n u\u1ed1n c\u1ee7a cao su. Vi\u1ec7c b\u1ed5 sung kaolinit bi\u1ebfn t\u00ednh v\u00e0o cao su styren-butadien (SBR) gi\u00fap c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 gi\u00e3n d\u00e0i, \u0111\u1ed9 b\u1ec1n x\u00e9 v\u00e0 \u0111\u1ed9 c\u1ee9ng Shore c\u1ee7a cao su, \u0111\u1ed3ng th\u1eddi k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd s\u1eed d\u1ee5ng.<\/p>\n

(4) \u0110\u1ea5t s\u00e9t<\/p>\n

C\u00f3 th\u1ec3 th\u00eam \u0111\u1ea5t s\u00e9t v\u00e0o qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t l\u1ed1p xe, t\u00f9y thu\u1ed9c v\u00e0o y\u00eau c\u1ea7u c\u1ee7a quy tr\u00ecnh s\u1ea3n xu\u1ea5t. \u0110\u1ea5t s\u00e9t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t \u0111\u1ed9n \u0111\u1ec3 gi\u1ea3m chi ph\u00ed. Tuy nhi\u00ean, c\u1ea7n ph\u1ea3i s\u1eed d\u1ee5ng \u0111\u1ea5t s\u00e9t ho\u1ea1t t\u00ednh \u0111\u1ec3 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n li\u00ean k\u1ebft v\u1edbi cao su. \u0110\u1ea5t s\u00e9t ho\u1ea1t t\u00ednh ho\u1eb7c bi\u1ebfn t\u00ednh c\u00f3 th\u1ec3 thay th\u1ebf m\u1ed9t ph\u1ea7n mu\u1ed9i than trong c\u00f4ng th\u1ee9c.<\/p>\n

C\u00e1c nghi\u00ean c\u1ee9u cho th\u1ea5y khi l\u01b0\u1ee3ng \u0111\u1ea5t s\u00e9t t\u0103ng l\u00ean, \u0111\u1ed9 c\u1ee9ng, \u1ee9ng su\u1ea5t k\u00e9o 300% v\u00e0 \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a h\u1ee3p ch\u1ea5t cao su gi\u1ea3m nh\u1eb9, nh\u01b0ng \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c b\u00f9 \u0111\u1eafp b\u1eb1ng c\u00e1ch \u0111i\u1ec1u ch\u1ec9nh h\u1ec7 th\u1ed1ng l\u01b0u h\u00f3a. Khi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00f4ng th\u1ee9c gai l\u1ed1p, sau khi t\u1ed1i \u01b0u h\u00f3a h\u1ec7 th\u1ed1ng, n\u00f3 c\u0169ng c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m l\u1ef1c c\u1ea3n l\u0103n.<\/p>\n

(5) Bari Sunfat<\/p>\n

N\u00f3 c\u00f3 th\u1ec3 t\u0103ng c\u01b0\u1eddng hi\u1ec7u qu\u1ea3 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u00e3o h\u00f3a v\u00e0 ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m cao su nh\u01b0 cao su l\u1ed1p xe v\u00e0 d\u00e2y \u0111ai. Ngo\u00e0i ra, n\u00f3 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 nh\u1eb5n b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m cao su. L\u00e0 m\u1ed9t ch\u1ea5t \u0111\u1ed9n cao su d\u1ea1ng b\u1ed9t, n\u00f3 kh\u00f4ng ch\u1ec9 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n t\u1ef7 l\u1ec7 \u1ee9ng d\u1ee5ng b\u1ed9t m\u00e0 c\u00f2n c\u00f3 nh\u1eefng l\u1ee3i th\u1ebf r\u00f5 r\u00e0ng v\u1ec1 m\u1eb7t kinh t\u1ebf.<\/p>\n

(6) Talc<\/p>\n

B\u1ed9t talc th\u01b0\u1eddng \u0111\u01b0\u1ee3c chia th\u00e0nh b\u1ed9t talc c\u00f4ng nghi\u1ec7p th\u00f4ng th\u01b0\u1eddng v\u00e0 b\u1ed9t talc si\u00eau m\u1ecbn. Lo\u1ea1i th\u1ee9 nh\u1ea5t, v\u1edbi t\u01b0 c\u00e1ch l\u00e0 ch\u1ea5t \u0111\u1ed9n cao su, kh\u00f4ng c\u00f3 t\u00e1c d\u1ee5ng gia c\u01b0\u1eddng v\u00e0 c\u00f3 t\u00e1c d\u1ee5ng kh\u00f4ng \u0111\u00e1ng k\u1ec3 trong vi\u1ec7c c\u1ea3i thi\u1ec7n c\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a cao su. Do \u0111\u00f3, b\u1ed9t talc c\u00f4ng nghi\u1ec7p th\u00f4ng th\u01b0\u1eddng th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t t\u00e1ch. M\u1eb7t kh\u00e1c, b\u1ed9t talc si\u00eau m\u1ecbn c\u00f3 t\u00e1c d\u1ee5ng gia c\u01b0\u1eddng t\u1ed1t. N\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t \u0111\u1ed9n cao su, \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a b\u1ea3n th\u00e2n cao su s\u1ebd t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi hi\u1ec7u \u1ee9ng do silica t\u1ea1o ra.<\/p>\n

(7) Than ch\u00ec<\/p>\n

Than ch\u00ec thu\u1ed9c nh\u00f3m kho\u00e1ng v\u1eadt silicat phi kim lo\u1ea1i d\u1ea1ng phi\u1ebfn v\u00e0 c\u00f3 \u0111\u1ed9 d\u1eabn nhi\u1ec7t, d\u1eabn \u0111i\u1ec7n v\u00e0 \u0111\u1ed9 b\u00f4i tr\u01a1n t\u1ed1t. S\u1eed d\u1ee5ng than ch\u00ec l\u00e0m ch\u1ea5t \u0111\u1ed9n cao su bao g\u1ed3m m\u1ed9t quy tr\u00ecnh t\u01b0\u01a1ng t\u1ef1 nh\u01b0 quy tr\u00ecnh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho montmorillonite, trong \u0111\u00f3 than ch\u00ec \u0111\u01b0\u1ee3c nghi\u1ec1n th\u00e0nh c\u00e1c h\u1ea1t c\u00f3 k\u00edch th\u01b0\u1edbc nano b\u1eb1ng m\u1ed9t k\u1ef9 thu\u1eadt \u0111\u1eb7c bi\u1ec7t. Khi c\u00e1c h\u1ea1t nano n\u00e0y k\u1ebft h\u1ee3p v\u1edbi n\u1ec1n cao su, nhi\u1ec1u \u0111\u1eb7c t\u00ednh ch\u1ee9c n\u0103ng c\u1ee7a cao su \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n. V\u00ed d\u1ee5, \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n, \u0111\u1ed9 d\u1eabn nhi\u1ec7t, \u0111\u1ed9 k\u00edn kh\u00ed v\u00e0 c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc \u0111\u1ec1u \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3.<\/p>\n","protected":false},"excerpt":{"rendered":"

Canxi cacbonat nh\u1eb9 l\u00e0 m\u1ed9t trong nh\u1eefng ch\u1ea5t \u0111\u1ed9n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng s\u1edbm nh\u1ea5t v\u00e0 r\u1ed9ng r\u00e3i nh\u1ea5t trong ng\u00e0nh cao su. Vi\u1ec7c b\u1ed5 sung m\u1ed9t l\u01b0\u1ee3ng l\u1edbn canxi cacbonat nh\u1eb9 v\u00e0o cao su c\u00f3 th\u1ec3 l\u00e0m t\u0103ng th\u1ec3 t\u00edch s\u1ea3n ph\u1ea9m, t\u1eeb \u0111\u00f3 ti\u1ebft ki\u1ec7m chi ph\u00ed cao su thi\u00ean nhi\u00ean \u0111\u1eaft \u0111\u1ecf v\u00e0 gi\u1ea3m chi ph\u00ed.<\/p>\n","protected":false},"author":7,"featured_media":136487,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-136512","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\/136512","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=136512"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/136512\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/136487"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=136512"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=136512"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=136512"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}