{"id":114762,"date":"2021-12-03T16:47:08","date_gmt":"2021-12-03T08:47:08","guid":{"rendered":"https:\/\/www.alpapowder.com\/114762\/"},"modified":"2021-12-03T16:47:08","modified_gmt":"2021-12-03T08:47:08","slug":"ung-dung-va-huong-phat-trien-cua-wollastonite","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/114762\/","title":{"rendered":"\u1ee8ng d\u1ee5ng v\u00e0 h\u01b0\u1edbng ph\u00e1t tri\u1ec3n c\u1ee7a wollastonite"},"content":{"rendered":"<p>Wollastonite l\u00e0 m\u1ed9t kho\u00e1ng ch\u1ea5t silicat canxi, thu\u1ed9c chu\u1ed7i metasilicat, c\u00f3 d\u1ea1ng s\u1ee3i, h\u00ecnh tr\u00f2n, h\u00ecnh kim v\u00e0 d\u1ea1ng t\u1ea5m. \u0110\u1ed9 c\u1ee9ng Mohs l\u00e0 4,5 ~ 5,5, m\u1eadt \u0111\u1ed9 l\u00e0 2,75 ~ 3,10g \/ cm\u00b3, \u0111i\u1ec3m n\u00f3ng ch\u1ea3y l\u00e0 1540 \u2103.<\/p>\n<p>Wollastonit \u0111\u01b0\u1ee3c chia th\u00e0nh hai d\u1ea1ng tinh th\u1ec3: \u03b1 v\u00e0 \u03b2. tinh th\u1ec3 \u03b1 th\u01b0\u1eddng \u1edf d\u1ea1ng h\u1ea1t v\u00e0 d\u1ea1ng b\u1ed9t; Tinh th\u1ec3 \u03b2 th\u01b0\u1eddng c\u00f3 d\u1ea1ng s\u1ee3i v\u00e0 h\u00ecnh kim. T\u1ef7 l\u1ec7 khung h\u00ecnh th\u01b0\u1eddng l\u00e0 20: 1 v\u00e0 cao nh\u1ea5t c\u00f3 th\u1ec3 l\u00ean t\u1edbi 30: 1. Wollastonite d\u1ea1ng s\u1ee3i tinh th\u1ec3 c\u00f3 \u0111\u1ed9 tr\u1eafng cao, \u0111i\u1ec7n tr\u1edf cao, t\u1ef7 l\u1ec7 khung h\u00ecnh cao, h\u1ea5p th\u1ee5 d\u1ea7u th\u1ea5p, h\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i th\u1ea5p, ch\u1ecbu nhi\u1ec7t, ch\u1ed1ng \u0103n m\u00f2n, kh\u00e1ng axit v\u00e0 ki\u1ec1m, kh\u00f4ng \u0111\u1ed9c, kh\u00f4ng t\u1eeb t\u00ednh v\u00e0 h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t th\u1ea5p. N\u00f3 c\u00f3 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a s\u1ef1 m\u1ea5t m\u00e1t nh\u1ecf khi b\u1eaft l\u1eeda v\u00e0 c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc tuy\u1ec7t v\u1eddi, v\u00e0 c\u00f3 m\u1ed9t \u00e1i l\u1ef1c nh\u1ea5t \u0111\u1ecbnh v\u1edbi s\u1ee3i th\u1ef1c v\u1eadt. Ngo\u00e0i ra, b\u1ed9t wollastonite si\u00eau m\u1ecbn \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 &#8220;s\u1ee3i kho\u00e1ng&#8221;.<\/p>\n<p>Th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a wollastonite l\u00e0 canxi silicat, c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc l\u00e0 CaSiO<sub>3<\/sub>, kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang l\u00e0 2,9g \/ cm\u00b3, \u0111\u1ed9 c\u1ee9ng Mohs l\u00e0 4,5 v\u00e0 chi\u1ebft su\u1ea5t l\u00e0 1,63.<\/p>\n<p>C\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a wollastonite: kh\u00f4ng \u0111\u1ed9c h\u1ea1i, \u1ed5n \u0111\u1ecbnh nhi\u1ec7t t\u1ed1t, th\u1ee7y tinh v\u00e0 \u00e1nh ng\u1ecdc trai, t\u00ednh ch\u1ea5t c\u01a1 v\u00e0 \u0111i\u1ec7n tuy\u1ec7t v\u1eddi, ch\u1ed1ng \u0103n m\u00f2n h\u00f3a h\u1ecdc, \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc t\u1ed1t, t\u1ef7 l\u1ec7 h\u1ea5p th\u1ee5 th\u1ea5p v\u00e0 gi\u00e1 tr\u1ecb h\u1ea5p th\u1ee5 d\u1ea7u, v\u00e0 m\u1ed9t hi\u1ec7u \u1ee9ng gia c\u1ed1 nh\u1ea5t \u0111\u1ecbnh.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-114003 size-full\" src=\"https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/11\/powderquartz-pic.jpg\" alt=\"\" width=\"1000\" height=\"800\" srcset=\"https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/11\/powderquartz-pic.jpg 1000w, https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/11\/powderquartz-pic-300x240.jpg 300w, https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/11\/powderquartz-pic-768x614.jpg 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<h4>Ph\u00e2n lo\u1ea1i wollastonite (theo m\u1ee5c \u0111\u00edch)<\/h4>\n<p>Wollastonite cao su nh\u1ef1a: N\u00f3 c\u00f3 c\u00e1c s\u1ee3i gi\u1ed1ng nh\u01b0 kim duy nh\u1ea5t, c\u00e1ch nhi\u1ec7t t\u1ed1t, ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1 cao. N\u00f3 l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u l\u00e0m \u0111\u1ea7y t\u1ed1t cho c\u00e1c s\u1ea3n ph\u1ea9m nh\u1ef1a v\u00e0 cao su.<\/p>\n<p>M\u00e1y s\u01a1n ph\u1ee7 b\u1ed9t wollastonite: l\u1edbp ph\u1ee7 c\u00f3 th\u1ec3 c\u00f3 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc t\u1ed1t h\u01a1n, t\u0103ng \u0111\u1ed9 b\u1ec1n, t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u00e1m d\u00ednh v\u00e0 ch\u1ed1ng \u0103n m\u00f2n, c\u0169ng nh\u01b0 \u0111\u1ed9 ph\u1ee7 v\u00e0 \u0111\u1ed9 b\u00e1m d\u00ednh t\u1ed1t.<\/p>\n<p>B\u1ed9t wollastonite l\u00e0m gi\u1ea5y: Vi\u1ec7c s\u1eed d\u1ee5ng wollastonite \u0111\u1ec3 l\u00e0m gi\u1ea5y c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n l\u1ee3i \u00edch kinh t\u1ebf. M\u1ed7i t\u1ea5n b\u1ed9t wollastonite si\u00eau m\u1ecbn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t gi\u1ea5y c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c 3,6 m\u00e9t kh\u1ed1i g\u1ed7; so v\u1edbi b\u1ed9t g\u1ed7 truy\u1ec1n th\u1ed1ng, m\u1ed7i t\u1ea5n b\u1ed9t wollastonite si\u00eau m\u1ecbn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00f3 th\u1ec3 gi\u1ea3m chi ph\u00ed t\u1eeb 100 \u0111\u1ebfn 300 nh\u00e2n d\u00e2n t\u1ec7.<\/p>\n<p>Lo\u1ea1i v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng wollastonite: kh\u00f4ng \u0111\u1ed9c, kh\u00f4ng v\u1ecb, kh\u00f4ng ph\u00f3ng x\u1ea1 v\u00e0 c\u00e1c \u01b0u \u0111i\u1ec3m kh\u00e1c \u0111\u00e3 d\u1ea7n thay th\u1ebf ami\u0103ng g\u00e2y h\u1ea1i cho s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi, tr\u1edf th\u00e0nh nguy\u00ean li\u1ec7u m\u1edbi cho v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng trong th\u1ebf k\u1ef7 m\u1edbi.<\/p>\n<p>B\u1ed9t wollastonite c\u1ea5p g\u1ed1m: c\u00f3 th\u1ec3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 nhi\u1ec7t \u0111\u1ed9 nung, r\u00fat \u200b\u200bng\u1eafn th\u1eddi gian nung, nung nhanh \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p c\u00f9ng m\u1ed9t l\u00fac, ti\u1ebft ki\u1ec7m nhi\u1ec1u thu\u1ed1c nhu\u1ed9m v\u00e0 gi\u1ea3m \u0111\u00e1ng k\u1ec3 gi\u00e1 th\u00e0nh s\u1ea3n ph\u1ea9m; \u0111\u1ed3ng th\u1eddi n\u00e2ng cao c\u01a1 t\u00ednh c\u1ee7a s\u1ea3n ph\u1ea9m.<\/p>\n<p>B\u1ed9t wollastonite lo\u1ea1i ma s\u00e1t: c\u1ea5u tr\u00fac d\u1ea1ng kim, gi\u00fap t\u0103ng c\u01b0\u1eddng ma s\u00e1t v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t c\u1ee7a th\u00e0nh ph\u1ea9m. Khi s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c l\u1ea5p \u0111\u1ea7y b\u00ean trong, n\u00f3 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a ma s\u00e1t linh ho\u1ea1t v\u00e0 \u1ed5n \u0111\u1ecbnh.<\/p>\n<h4>Ph\u00e2n lo\u1ea1i s\u1ea3n ph\u1ea9m c\u1ee7a wollastonite<\/h4>\n<p>Ch\u1ee7 y\u1ebfu c\u00f3 hai lo\u1ea1i wollastonite t\u1ef7 l\u1ec7 kh\u00eda c\u1ea1nh cao v\u00e0 wollastonite nghi\u1ec1n m\u1ecbn.<\/p>\n<p>Tr\u01b0\u1edbc \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ea3n ph\u1ea9m cao c\u1ea5p, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ch\u1ee7 y\u1ebfu trong nh\u1ef1a, cao su, ch\u1ea5t thay th\u1ebf ami\u0103ng, s\u01a1n, ch\u1ea5t ph\u1ee7 v\u00e0 c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c d\u1ef1a tr\u00ean c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 l\u00fd c\u1ee7a n\u00f3. Lo\u1ea1i th\u1ee9 hai l\u00e0 s\u1ea3n ph\u1ea9m c\u1ea5p th\u1ea5p, ch\u1ee7 y\u1ebfu trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p luy\u1ec7n kim v\u00e0 g\u1ed1m s\u1ee9 c\u1ee7a Anh. C\u00e1c th\u00e0nh ph\u1ea7n SiO<sub>2<\/sub>\u00a0v\u00e0 CaO trong wollastonite cung c\u1ea5p t\u1ef7 l\u1ec7 gi\u00e3n n\u1edf th\u1ea5p v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng s\u1ed1c nhi\u1ec7t t\u1ed1t.<\/p>\n<h4>\u1ee8ng d\u1ee5ng c\u1ee7a wollastonite<\/h4>\n<ul>\n<li><strong>Ng\u00e0nh nh\u1ef1a<\/strong><\/li>\n<\/ul>\n<p>Sau khi wollastonite \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng thi\u1ebft b\u1ecb \u0111\u1eb7c bi\u1ec7t, n\u00f3 duy tr\u00ec c\u1ea5u tr\u00fac s\u1ee3i ng\u1eafn t\u1ed1t h\u01a1n v\u00e0 t\u1ef7 l\u1ec7 chi\u1ec1u d\u00e0i tr\u00ean \u0111\u01b0\u1eddng k\u00ednh l\u1edbn h\u01a1n (15: 1 ~ 20: 1). N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong polyamide (PA) 6, PA66 v\u00e0 polypropylene. Trong (PP), c\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd, t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh ch\u1ecbu nhi\u1ec7t c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m nh\u1ef1a \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3, ch\u00fang \u0111\u01b0\u1ee3c th\u00fac \u0111\u1ea9y v\u00e0 \u1ee9ng d\u1ee5ng trong c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u00f9n nh\u1ef1a, s\u1ea3n ph\u1ea9m r\u1ed7ng, s\u1ea3n ph\u1ea9m \u0111\u00fac th\u1ed5i, s\u1ea3n ph\u1ea9m \u0111\u00fac phun v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c nhau.<\/p>\n<ul>\n<li><strong>Ng\u00e0nh cao su<\/strong><\/li>\n<\/ul>\n<p>\u0110\u1ec3 c\u1ea3i thi\u1ec7n t\u00ednh ch\u1ea5t ma s\u00e1t v\u00e0 m\u00e0i m\u00f2n c\u1ee7a v\u1eadt li\u1ec7u cao su, v\u1eadt li\u1ec7u t\u1ef1 b\u00f4i tr\u01a1n, v\u1eadt li\u1ec7u v\u00f4 c\u01a1 v\u00e0 ch\u1ea5t \u0111\u1ed9n d\u1ea1ng s\u1ee3i th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u00eam v\u00e0o ma tr\u1eadn cao su. L\u00e0 th\u00e0nh ph\u1ea7n b\u00f4i tr\u01a1n, c\u00f3 b\u1ed9t PTFE, than ch\u00ec v\u00e0 MoS<sub>2<\/sub>. V\u1eadt li\u1ec7u v\u00f4 c\u01a1 bao g\u1ed3m <a class=\"wpil_keyword_link\" href=\"https:\/\/www.alpapowder.com\/projects\/minerals\/\"   title=\"bentonite\" data-wpil-keyword-link=\"linked\">bentonite<\/a>, wollastonite, s\u1ee3i bazan c\u1eaft nh\u1ecf v\u00e0 nano cellulose. C\u00e1c th\u00e0nh ph\u1ea7n s\u1eeda \u0111\u1ed5i n\u00e0y c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n c\u1ee7a v\u1eadt li\u1ec7u cao su \u1edf m\u1ed9t m\u1ee9c \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh.<\/p>\n<ul>\n<li><strong>Ng\u00e0nh s\u01a1n ph\u1ee7<\/strong><\/li>\n<\/ul>\n<p>Wollastonite v\u1edbi c\u1ea5u tr\u00fac d\u1ea1ng kim (t\u1ef7 l\u1ec7 chi\u1ec1u d\u00e0i tr\u00ean \u0111\u01b0\u1eddng k\u00ednh 10: 1 ~ 20: 1), ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t ch\u1ea5t l\u00e0m ph\u1eb3ng trong l\u1edbp ph\u1ee7, c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc c\u1ee7a m\u00e0ng ph\u1ee7 v\u00e0 \u0111\u00f4i khi thay th\u1ebf ami\u0103ng c\u00f3 h\u1ea1i trong l\u1edbp ph\u1ee7 gia c\u1ed1. Trong l\u1edbp ph\u1ee7, n\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho b\u1ed9t wollastonite h\u1ea1t m\u1ecbn (ch\u1eb3ng h\u1ea1n nh\u01b0 325 mesh) v\u00e0 h\u1ea1t m\u1ecbn (10\u03bcm), v\u00ec n\u00f3 c\u00f3 l\u1ee3i cho s\u1ee9c \u1ea9n c\u1ee7a l\u1edbp ph\u1ee7. Wollastonite \u0111\u00e3 qua x\u1eed l\u00fd b\u1ec1 m\u1eb7t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong alkyd c\u00f4ng nghi\u1ec7p, epoxy v\u00e0 c\u00e1c lo\u1ea1i s\u01a1n ch\u1ed1ng \u0103n m\u00f2n kh\u00e1c \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a s\u01a1n l\u00f3t kim lo\u1ea1i v\u00e0 thay th\u1ebf m\u1ed9t ph\u1ea7n ch\u1ea5t m\u00e0u ch\u1ed1ng g\u1ec9 ho\u1ea1t t\u00ednh.<\/p>\n<p><img decoding=\"async\" class=\"wp-image-114734\" src=\"https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/12\/Masterbatchpreparationprocess-en.jpg\" alt=\"\" width=\"600\" height=\"229\" srcset=\"https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/12\/Masterbatchpreparationprocess-en.jpg 884w, https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/12\/Masterbatchpreparationprocess-en-300x115.jpg 300w, https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/12\/Masterbatchpreparationprocess-en-768x294.jpg 768w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>Qu\u00e1 tr\u00ecnh chu\u1ea9n b\u1ecb masterbatch<\/p>\n<p>Thay th\u1ebf wollastonite d\u1ea1ng kim si\u00eau m\u1ecbn trong h\u1ea1t ch\u00ednh m\u00e0u xanh polyetylen<\/p>\n<ul>\n<li><strong>C\u00f4ng nghi\u1ec7p gi\u1ea5y<\/strong><\/li>\n<\/ul>\n<p>B\u1ed9t Wollastonite v\u1eabn c\u00f3 th\u1ec3 duy tr\u00ec c\u1ea5u tr\u00fac gi\u1ed1ng nh\u01b0 kim duy nh\u1ea5t c\u1ee7a n\u00f3 sau m\u1ed9t c\u00f4ng ngh\u1ec7 x\u1eed l\u00fd \u0111\u1eb7c bi\u1ec7t, do \u0111\u00f3, gi\u1ea5y b\u00eca tr\u1eafng \u0111\u01b0\u1ee3c th\u00eam v\u1edbi b\u1ed9t wollastonite c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 tr\u1eafng, \u0111\u1ed9 m\u1edd (\u0111\u1ed9 bao ph\u1ee7 c\u1ee7a l\u1edbp b\u1ec1 m\u1eb7t), \u0111\u1ed9 ph\u1eb3ng, \u0111\u1ed9 m\u1ecbn v\u00e0 kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng. .<\/p>\n<ul>\n<li><strong>Ng\u00e0nh v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng<\/strong><\/li>\n<\/ul>\n<p>K\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a s\u1ee3i wollastonite \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng n\u1eb1m trong kho\u1ea3ng t\u1eeb 100 mesh \u0111\u1ebfn 800 mesh. K\u00edch th\u01b0\u1edbc h\u1ea1t, t\u1ef7 l\u1ec7 co v\u00e0 \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a s\u1ee3i x\u00e1c \u0111\u1ecbnh \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 trong c\u00e1c lo\u1ea1i s\u1ea3n ph\u1ea9m v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng kh\u00e1c nhau.<\/p>\n<ul>\n<li><strong>C\u00f4ng nghi\u1ec7p luy\u1ec7n kim<\/strong><\/li>\n<\/ul>\n<p>Kho\u1ea3ng 12-15% wollastonite tr\u00ean th\u1ebf gi\u1edbi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00f4ng nghi\u1ec7p luy\u1ec7n kim. \u0110i\u1ec1u n\u00e0y l\u00e0 do wollastonite c\u00f3 \u0111\u1eb7c t\u00ednh ch\u1ea3y \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p, th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc \u1ed5n \u0111\u1ecbnh, \u0111\u1ed9 tinh khi\u1ebft cao v\u00e0 \u0111\u1ed9 ki\u1ec1m trung t\u00ednh. \u0110\u1ed5 b\u1ea3o v\u1ec7 cung c\u1ea5p nguy\u00ean li\u1ec7u th\u00f4 l\u00fd t\u01b0\u1edfng.<\/p>\n<ul>\n<li><strong>C\u00f4ng nghi\u1ec7p g\u1ed1m s\u1ee9<\/strong><\/li>\n<\/ul>\n<p>Wollastonite c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111i\u1ec1u ch\u1ebf c\u00e1c \u0111\u1ed3 s\u1ee9 \u0111i\u1ec7n kh\u00e1c nhau, \u0111\u1ed3 s\u1ee9 x\u00e2y d\u1ef1ng, \u0111\u1ed3 g\u1ed1m s\u1ee9 s\u1eed d\u1ee5ng h\u00e0ng ng\u00e0y v\u00e0 m\u00e1 phanh.<\/p>\n<ul>\n<li><strong>Ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u1eadt li\u1ec7u m\u1edbi<\/strong><\/li>\n<\/ul>\n<p>S\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u m\u1edbi trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p m\u1edbi n\u1ed5i mang t\u00ednh chi\u1ebfn l\u01b0\u1ee3c mang l\u1ea1i nhi\u1ec1u c\u01a1 h\u1ed9i h\u01a1n cho vi\u1ec7c \u1ee9ng d\u1ee5ng kho\u00e1ng phi kim lo\u1ea1i. Wollastonite \u0111\u00f3ng m\u1ed9t vai tr\u00f2 nh\u01b0 m\u1ed9t ch\u1ea5t \u0111\u1ed9n ch\u1ee9c n\u0103ng, v\u00e0 c\u00f9ng v\u1edbi c\u00e1c kho\u00e1ng ch\u1ea5t phi kim lo\u1ea1i kh\u00e1c, n\u00f3 g\u00f3p ph\u1ea7n v\u00e0o s\u1ef1 ph\u00e1t tri\u1ec3n v\u00e0 t\u0103ng tr\u01b0\u1edfng c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u1eadt li\u1ec7u m\u1edbi.<\/p>\n<h4>H\u01b0\u1edbng ph\u00e1t tri\u1ec3n c\u1ee7a ng\u00e0nh g\u1ed7 wollastonite<\/h4>\n<p>1. C\u00f4ng ngh\u1ec7 x\u1eed l\u00fd b\u1ed9t d\u1ea1ng kim wollastonite v\u1edbi t\u1ef7 l\u1ec7 khung h\u00ecnh cao (&gt; 15: 1)<\/p>\n<p>2. M\u1ed9t b\u1ed9 ho\u00e0n ch\u1ec9nh c\u00e1c thi\u1ebft b\u1ecb x\u1eed l\u00fd \u0111\u1eb7c bi\u1ec7t v\u00e0 thi\u1ebft b\u1ecb t\u00e1ch t\u01b0\u01a1ng \u1ee9ng<\/p>\n<p>3. B\u1ed9t Wollastonite v\u1edbi k\u00edch th\u01b0\u1edbc h\u1ea1t m\u1ecbn h\u01a1n<\/p>\n<p>4. Ph\u01b0\u01a1ng ph\u00e1p s\u1eeda \u0111\u1ed5i tuy\u1ec7t v\u1eddi v\u00e0 ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh t\u1ed1t c\u1ee7a b\u1ed9t wollastonite<\/p>\n<p>Ngu\u1ed3n b\u00e0i vi\u1ebft: China Powder Network<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Wollastonite l\u00e0 m\u1ed9t kho\u00e1ng ch\u1ea5t silicat canxi, thu\u1ed9c chu\u1ed7i metasilicat, c\u00f3 d\u1ea1ng s\u1ee3i, h\u00ecnh tr\u00f2n, h\u00ecnh kim v\u00e0 d\u1ea1ng t\u1ea5m. \u0110\u1ed9 c\u1ee9ng Mohs l\u00e0 4,5 ~ 5,5, m\u1eadt \u0111\u1ed9 l\u00e0 2,75 ~ 3,10g \/ cm\u00b3, \u0111i\u1ec3m n\u00f3ng ch\u1ea3y l\u00e0 1540 \u2103.<\/p>\n","protected":false},"author":6,"featured_media":114003,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[830],"tags":[1678],"class_list":["post-114762","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news","tag-wollastonite-vi"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/114762","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\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=114762"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/114762\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/114003"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=114762"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=114762"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=114762"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}