{"id":115299,"date":"2021-12-16T17:13:37","date_gmt":"2021-12-16T09:13:37","guid":{"rendered":"https:\/\/www.alpapowder.com\/115299\/"},"modified":"2021-12-16T17:13:37","modified_gmt":"2021-12-16T09:13:37","slug":"chat-luong-cua-titanium-dioxide-co-anh-huong-gi-den-muc","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/115299\/","title":{"rendered":"Ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a titanium dioxide c\u00f3 \u1ea3nh h\u01b0\u1edfng g\u00ec \u0111\u1ebfn m\u1ef1c?"},"content":{"rendered":"

Trong s\u1ea3n xu\u1ea5t c\u00e1c lo\u1ea1i m\u1ef1c kh\u00e1c nhau, t\u1ef7 l\u1ec7 titanium dioxide \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng t\u01b0\u01a1ng \u0111\u1ed1i l\u1edbn, dao \u0111\u1ed9ng t\u1eeb 25% \u0111\u1ebfn 50%, v\u00e0 m\u1ed9t s\u1ed1 c\u00f2n l\u1edbn h\u01a1n. Do \u0111\u00f3, titanium dioxide \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a m\u1ef1c.<\/p>\n

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1. \u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 tr\u1eafng c\u1ee7a m\u1ef1c<\/p>\n

(1) \u1ea2nh h\u01b0\u1edfng c\u1ee7a c\u00e1c t\u1ea1p ch\u1ea5t trong titan \u0111ioxit \u0111\u1ebfn \u0111\u1ed9 tr\u1eafng c\u1ee7a m\u1ef1c. N\u00f3i chung, n\u1ebfu m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf s\u1eaft, crom, coban, \u0111\u1ed3ng v\u00e0 c\u00e1c t\u1ea1p ch\u1ea5t kh\u00e1c \u0111\u01b0\u1ee3c tr\u1ed9n v\u00e0o titan \u0111i\u00f4x\u00edt, m\u1ef1c \u0111\u00e3 pha ch\u1ebf s\u1ebd t\u1ea1o ra s\u1ef1 chuy\u1ec3n m\u00e0u v\u00e0 gi\u1ea3m \u0111\u1ed9 tr\u1eafng. \u0110i\u1ec1u n\u00e0y l\u00e0 do c\u00e1c ion t\u1ea1p ch\u1ea5t trong titan \u0111i\u00f4x\u00edt, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c ion kim lo\u1ea1i, l\u00e0m bi\u1ebfn d\u1ea1ng c\u1ea5u tr\u00fac tinh th\u1ec3 c\u1ee7a \u0111i\u00f4x\u00edt titan v\u00e0 l\u00e0m m\u1ea5t t\u00ednh \u0111\u1ed1i x\u1ee9ng c\u1ee7a n\u00f3. Titanium dioxide lo\u1ea1i Rutile nh\u1ea1y c\u1ea3m h\u01a1n v\u1edbi c\u00e1c t\u1ea1p ch\u1ea5t. V\u00ed d\u1ee5, khi h\u00e0m l\u01b0\u1ee3ng oxit s\u1eaft trong titan \u0111i\u00f4x\u00edt lo\u1ea1i rutil l\u1edbn h\u01a1n 0,003%, n\u00f3 s\u1ebd hi\u1ec3n th\u1ecb m\u00e0u, trong khi h\u00e0m l\u01b0\u1ee3ng c\u1ee7a n\u00f3 trong \u0111i\u00f4x\u00edt titan lo\u1ea1i anatase l\u1edbn h\u01a1n 0,009%. Ph\u1ea3n \u1ee9ng m\u00e0u. Do \u0111\u00f3, vi\u1ec7c ch\u1ecdn lo\u1ea1i titan \u0111i\u00f4x\u00edt t\u1ed1t, kh\u00f4ng l\u1eabn t\u1ea1p ch\u1ea5t l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/p>\n

(2) \u1ea2nh h\u01b0\u1edfng c\u1ee7a h\u00ecnh d\u1ea1ng, k\u00edch th\u01b0\u1edbc v\u00e0 s\u1ef1 ph\u00e2n b\u1ed1 c\u1ee7a c\u00e1c h\u1ea1t titanium dioxide \u0111\u1ebfn \u0111\u1ed9 tr\u1eafng. C\u00e1c h\u1ea1t titanium dioxide ch\u1ea5t l\u01b0\u1ee3ng cao m\u1ecbn v\u00e0 kh\u00f4ng c\u00f3 c\u1ea1nh ho\u1eb7c g\u00f3c. N\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng titanium dioxide v\u1edbi c\u00e1c c\u1ea1nh g\u00f3c tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c h\u1ea1t, n\u00f3 s\u1ebd l\u00e0m suy y\u1ebfu \u0111\u00e1ng k\u1ec3 s\u1ef1 ph\u1ea3n x\u1ea1 \u00e1nh s\u00e1ng v\u00e0 l\u00e0m gi\u1ea3m \u0111\u1ed9 tr\u1eafng c\u1ee7a m\u1ef1c. K\u00edch th\u01b0\u1edbc c\u1ee7a c\u00e1c h\u1ea1t titanium dioxide n\u00ean \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t trong kho\u1ea3ng 0,2 \uff5e 0,4\u03bcm, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi kho\u1ea3ng 1\/2 b\u01b0\u1edbc s\u00f3ng c\u1ee7a \u00e1nh s\u00e1ng nh\u00ecn th\u1ea5y, \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c kh\u1ea3 n\u0103ng t\u00e1n x\u1ea1 cao v\u00e0 l\u00e0m cho m\u00e0u s\u1eafc c\u00f3 v\u1ebb tr\u1eafng h\u01a1n. Khi k\u00edch th\u01b0\u1edbc h\u1ea1t nh\u1ecf h\u01a1n 0,1\u03bcm, tinh th\u1ec3 trong su\u1ed1t. N\u1ebfu k\u00edch th\u01b0\u1edbc h\u1ea1t v\u01b0\u1ee3t qu\u00e1 0,5\u03bcm, kh\u1ea3 n\u0103ng t\u00e1n x\u1ea1 \u00e1nh s\u00e1ng c\u1ee7a s\u1eafc t\u1ed1 s\u1ebd b\u1ecb gi\u1ea3m v\u00e0 \u0111\u1ed9 tr\u1eafng c\u1ee7a m\u1ef1c s\u1ebd b\u1ecb \u1ea3nh h\u01b0\u1edfng. V\u00ec l\u00fd do n\u00e0y, k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a titanium dioxide \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u ph\u1ea3i ph\u00f9 h\u1ee3p v\u00e0 ph\u00e2n b\u1ed1 \u0111\u1ed3ng \u0111\u1ec1u \u0111\u1ec3 th\u1ec3 hi\u1ec7n \u0111\u1ed9 tr\u1eafng t\u1ed1t.<\/p>\n

2. \u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ee9c m\u1ea1nh \u1ea9n m\u1ef1c<\/p>\n

(1) B\u1ea3n th\u00e2n chi\u1ebft su\u1ea5t c\u1ee7a tinh th\u1ec3 titanium dioxide s\u1ebd \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn kh\u1ea3 n\u0103ng \u1ea9n c\u1ee7a m\u1ef1c. N\u00f3i chung, chi\u1ebft su\u1ea5t c\u1ee7a titanium dioxide l\u00e0 t\u1ed1t nh\u1ea5t trong s\u1ed1 c\u00e1c ch\u1ea5t m\u00e0u tr\u1eafng. Khi \u0111i\u1ec1u ch\u1ebf m\u1ef1c tr\u1eafng, n\u00ean s\u1eed d\u1ee5ng titanium dioxide c\u00f3 chi\u1ebft su\u1ea5t cao \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng \u1ea9n c\u1ee7a m\u1ef1c tr\u1eafng.<\/p>\n

(2) \u1ea2nh h\u01b0\u1edfng c\u1ee7a k\u00edch th\u01b0\u1edbc h\u1ea1t, c\u1ea5u tr\u00fac h\u1ea1t v\u00e0 kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n c\u1ee7a titanium dioxide \u0111\u1ed1i v\u1edbi kh\u1ea3 n\u0103ng \u1ea9n c\u1ee7a m\u1ef1c tr\u1eafng. N\u00f3i chung, trong ph\u1ea1m vi l\u1edbn h\u01a1n 1\/2 b\u01b0\u1edbc s\u00f3ng \u00e1nh s\u00e1ng nh\u00ecn th\u1ea5y, k\u00edch th\u01b0\u1edbc h\u1ea1t c\u00e0ng nh\u1ecf, b\u1ec1 m\u1eb7t h\u1ea1t c\u00e0ng m\u1ecbn, titan dioxide ph\u00e2n t\u00e1n trong ch\u1ea5t k\u1ebft d\u00ednh nh\u1ef1a c\u00e0ng t\u1ed1t v\u00e0 kh\u1ea3 n\u0103ng \u1ea9n c\u1ee7a n\u00f3 c\u00e0ng m\u1ea1nh. B\u1edfi v\u00ec b\u1ea3n th\u00e2n titan \u0111i\u00f4x\u00edt c\u00f3 c\u1ea5u tr\u00fac tinh th\u1ec3 r\u00f5 r\u00e0ng, chi\u1ebft su\u1ea5t c\u1ee7a n\u00f3 l\u1edbn h\u01a1n c\u1ee7a ph\u01b0\u01a1ng ti\u1ec7n, v\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 chi\u1ebft su\u1ea5t gi\u1eefa hai lo\u1ea1i c\u00e0ng l\u1edbn, th\u00ec kh\u1ea3 n\u0103ng \u1ea9n c\u1ee7a \u0111i\u00f4x\u00edt titan \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00e0ng m\u1ea1nh. Th\u1ef1c ti\u1ec5n \u0111\u00e3 ch\u1ee9ng minh r\u1eb1ng titanium dioxide rutil c\u00f3 kh\u1ea3 n\u0103ng \u1ea9n t\u1ed1t h\u01a1n titanium dioxide anatase, v\u00ec v\u1eady n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i h\u01a1n trong s\u1ea3n xu\u1ea5t m\u1ef1c in.<\/p>\n

3. \u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng pha m\u00e0u m\u1ef1c<\/p>\n

Kh\u1ea3 n\u0103ng pha m\u00e0u c\u1ee7a titanium dioxide ph\u1ee5 thu\u1ed9c v\u00e0o kh\u1ea3 n\u0103ng t\u00e1n x\u1ea1 \u00e1nh s\u00e1ng nh\u00ecn th\u1ea5y c\u1ee7a n\u00f3 v\u00e0 n\u00f3 c\u00f3 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn kh\u1ea3 n\u0103ng pha m\u00e0u c\u1ee7a m\u1ef1c. H\u1ec7 s\u1ed1 t\u00e1n x\u1ea1 c\u00e0ng l\u1edbn th\u00ec kh\u1ea3 n\u0103ng pha m\u00e0u c\u00e0ng m\u1ea1nh; chi\u1ebft su\u1ea5t c\u1ee7a titan \u0111i\u00f4x\u00edt c\u00e0ng cao th\u00ec kh\u1ea3 n\u0103ng pha m\u00e0u c\u00e0ng m\u1ea1nh. Titanium dioxide l\u00e0 s\u1ea3n ph\u1ea9m c\u00f3 ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1 cao nh\u1ea5t trong s\u1ed1 c\u00e1c ch\u1ea5t m\u00e0u tr\u1eafng, v\u00e0 ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1 c\u1ee7a titanium dioxide rutile cao h\u01a1n so v\u1edbi titanium dioxide anatase. V\u00ec v\u1eady, l\u1ef1a ch\u1ecdn titanium dioxide l\u00e0 ch\u1ecdn titanium dioxide c\u00f3 kh\u1ea3 n\u0103ng t\u00e1n x\u1ea1 m\u1ea1nh v\u00e0 ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1 cao.<\/p>\n

4. \u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t ph\u00e2n t\u00e1n<\/p>\n

H\u00ecnh d\u1ea1ng c\u1ee7a c\u00e1c h\u1ea1t titanium dioxide v\u00e0 ph\u1ea3n x\u1ea1 \u00e1nh s\u00e1ng c\u00f3 \u0111\u1ed3ng nh\u1ea5t hay kh\u00f4ng, \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u su\u1ea5t ph\u00e2n t\u00e1n c\u1ee7a titanium dioxide. N\u1ebfu b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c h\u1ea1t titan \u0111i\u00f4x\u00edt m\u1ecbn v\u00e0 \u0111\u1ed9 ph\u1ea3n chi\u1ebfu \u0111\u1ed3ng \u0111\u1ec1u th\u00ec kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n t\u1ed1t v\u00e0 m\u1ef1c tr\u1eafng \u0111\u00e3 \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb c\u00f3 \u0111\u1ed9 b\u00f3ng v\u00e0 \u0111\u1ed9 tr\u1eafng t\u1ed1t. Ng\u01b0\u1ee3c l\u1ea1i, b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c h\u1ea1t th\u00f4 r\u00e1p v\u00e0 ph\u1ea3n x\u1ea1 khu\u1ebfch t\u00e1n t\u0103ng l\u00ean s\u1ebd l\u00e0m gi\u1ea3m \u0111\u1ed9 b\u00f3ng v\u00e0 \u0111\u1ed9 ph\u00e2n t\u00e1n k\u00e9m. \u1ea2nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn \u0111\u1ed9 tr\u1eafng v\u00e0 hi\u1ec7u su\u1ea5t truy\u1ec1n c\u1ee7a m\u1ef1c tr\u1eafng. V\u00ec l\u00fd do n\u00e0y, titanium dioxide ph\u1ea3i \u0111\u01b0\u1ee3c x\u1eed l\u00fd tr\u01b0\u1edbc khi c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/p>\n

T\u00f3m l\u1ea1i, v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng c\u1ee7a ng\u00e0nh bao b\u00ec v\u00e0 xu\u1ea5t b\u1ea3n, in \u1ea5n, nhu c\u1ea7u th\u1ecb tr\u01b0\u1eddng v\u1ec1 m\u1ef1c in s\u1ebd t\u0103ng l\u00ean t\u1eebng ng\u00e0y. L\u00e0 m\u1ed9t ch\u1ea5t m\u00e0u tr\u1eafng r\u1ea5t quan tr\u1ecdng trong c\u00e1c lo\u1ea1i m\u1ef1c, titanium dioxide c\u00f3 nhi\u1ec1u \u0111\u1eb7c t\u00ednh v\u00e0 ch\u1ee9c n\u0103ng m\u00e0 kh\u00f4ng v\u1eadt li\u1ec7u n\u00e0o kh\u00e1c c\u00f3 th\u1ec3 thay th\u1ebf \u0111\u01b0\u1ee3c. Do \u0111\u00f3, l\u01b0\u1ee3ng titanium dioxide \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c lo\u1ea1i m\u1ef1c s\u1ebd t\u0103ng l\u00ean theo t\u1eebng n\u0103m, v\u00e0 tri\u1ec3n v\u1ecdng \u1ee9ng d\u1ee5ng tr\u00ean th\u1ecb tr\u01b0\u1eddng s\u1ebd r\u1ea5t r\u1ed9ng l\u1edbn.<\/p>\n

 <\/p>\n

Ngu\u1ed3n b\u00e0i vi\u1ebft: China Powder Network<\/p>\n","protected":false},"excerpt":{"rendered":"

Trong s\u1ea3n xu\u1ea5t c\u00e1c lo\u1ea1i m\u1ef1c kh\u00e1c nhau, t\u1ef7 l\u1ec7 titanium dioxide \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng t\u01b0\u01a1ng \u0111\u1ed1i l\u1edbn, dao \u0111\u1ed9ng t\u1eeb 25% \u0111\u1ebfn 50%, v\u00e0 m\u1ed9t s\u1ed1 c\u00f2n l\u1edbn h\u01a1n. Do \u0111\u00f3, titanium dioxide \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a m\u1ef1c.<\/p>\n","protected":false},"author":6,"featured_media":115275,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[1199],"class_list":["post-115299","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghiep-tin-tuc-vi","tag-titanium-dioxide-vi"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/115299","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=115299"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/115299\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/115275"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=115299"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=115299"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=115299"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}