{"id":136350,"date":"2025-09-18T16:55:24","date_gmt":"2025-09-18T08:55:24","guid":{"rendered":"https:\/\/www.alpapowder.com\/136350\/"},"modified":"2025-09-18T16:55:24","modified_gmt":"2025-09-18T08:55:24","slug":"sua-doi-lop-phu-bot-titan-dioxide","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/136350\/","title":{"rendered":"S\u1eeda \u0111\u1ed5i l\u1edbp ph\u1ee7 b\u1ed9t titan dioxide"},"content":{"rendered":"

\"\"<\/p>\n

Bi\u1ebfn t\u00ednh b\u1ec1 m\u1eb7t b\u1ed9t titan dioxide (titan tr\u1eafng) l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p quan tr\u1ecdng \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t c\u1ee7a n\u00f3 (nh\u01b0 kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n, kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft, \u0111\u1ed9 b\u00f3ng v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc). C\u00e1c k\u1ef9 thu\u1eadt bi\u1ebfn t\u00ednh b\u1ec1 m\u1eb7t ph\u1ed5 bi\u1ebfn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh ba lo\u1ea1i: l\u1edbp ph\u1ee7 v\u00f4 c\u01a1, l\u1edbp ph\u1ee7 h\u1eefu c\u01a1 v\u00e0 l\u1edbp ph\u1ee7 composite. Sau \u0111\u00e2y l\u00e0 ph\u00e2n lo\u1ea1i chi ti\u1ebft v\u00e0 gi\u1edbi thi\u1ec7u ng\u1eafn g\u1ecdn v\u1ec1 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p n\u00e0y:<\/p>\n

Bi\u1ebfn t\u00ednh l\u1edbp ph\u1ee7 v\u00f4 c\u01a1<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y bao g\u1ed3m vi\u1ec7c ph\u1ee7 l\u00ean b\u1ec1 m\u1eb7t c\u00e1c h\u1ea1t titan dioxide m\u1ed9t l\u1edbp oxit ho\u1eb7c mu\u1ed1i v\u00f4 c\u01a1, t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp r\u00e0o c\u1ea3n v\u1eadt l\u00fd \u0111\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc v\u00e0 c\u00e1c t\u00ednh ch\u1ea5t quang h\u1ecdc c\u1ee7a ch\u00fang.<\/p>\n

1. Ph\u1ee7 oxit<\/p>\n

Nguy\u00ean l\u00fd: C\u00e1c hydrat oxit kim lo\u1ea1i (nh\u01b0 SiO\u2082, Al\u2082O\u2083, ZrO\u2082, v.v.) \u0111\u01b0\u1ee3c k\u1ebft t\u1ee7a l\u00ean b\u1ec1 m\u1eb7t c\u00e1c h\u1ea1t titan dioxide, t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp ph\u1ee7 \u0111\u1ed3ng nh\u1ea5t.<\/p>\n

Quy tr\u00ecnh: Th\u00f4ng th\u01b0\u1eddng, ph\u01b0\u01a1ng ph\u00e1p l\u1eafng \u0111\u1ecdng pha l\u1ecfng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, trong \u0111\u00f3 c\u00e1c mu\u1ed1i kim lo\u1ea1i (nh\u01b0 natri silicat, nh\u00f4m sunfat) \u0111\u01b0\u1ee3c th\u00eam v\u00e0o b\u00f9n titan dioxide, v\u00e0 \u0111\u1ed9 pH \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 k\u1ebft t\u1ee7a c\u00e1c hydrat oxit kim lo\u1ea1i l\u00ean b\u1ec1 m\u1eb7t.<\/p>\n

2. L\u1edbp ph\u1ee7 oxit t\u1ed5ng h\u1ee3p<\/p>\n

Nguy\u00ean l\u00fd: Ph\u1ee7 hai ho\u1eb7c nhi\u1ec1u oxit kim lo\u1ea1i (nh\u01b0 Al\u2082O\u2083-SiO\u2082, ZrO\u2082-SiO\u2082, v.v.), k\u1ebft h\u1ee3p \u01b0u \u0111i\u1ec3m c\u1ee7a t\u1eebng th\u00e0nh ph\u1ea7n.<\/p>\n

\u0110\u1eb7c \u0111i\u1ec3m: Hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3 v\u01b0\u1ee3t tr\u1ed9i; v\u00ed d\u1ee5, l\u1edbp ph\u1ee7 Al\u2082O\u2083-SiO\u2082 c\u00f3 th\u1ec3 \u0111\u1ed3ng th\u1eddi c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft, ph\u00f9 h\u1ee3p cho c\u00e1c l\u1edbp ph\u1ee7 \u00f4 t\u00f4 v\u00e0 l\u1edbp ph\u1ee7 cu\u1ed9n d\u00e2y \u0111\u00f2i h\u1ecfi kh\u1eaft khe.<\/p>\n

3. L\u1edbp ph\u1ee7 mu\u1ed1i<\/p>\n

Nguy\u00ean l\u00fd: S\u1eed d\u1ee5ng mu\u1ed1i kim lo\u1ea1i (nh\u01b0 phosphat, silicat, sunfat, v.v.) \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp mu\u1ed1i kh\u00f4ng h\u00f2a tan tr\u00ean b\u1ec1 m\u1eb7t c\u00e1c h\u1ea1t titan dioxit.<\/p>\n

Bi\u1ebfn \u0111\u1ed5i l\u1edbp ph\u1ee7 h\u1eefu c\u01a1<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y li\u00ean quan \u0111\u1ebfn ph\u1ea3n \u1ee9ng c\u1ee7a c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 v\u1edbi c\u00e1c nh\u00f3m hydroxyl tr\u00ean b\u1ec1 m\u1eb7t titan dioxit, t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp ph\u00e2n t\u1eed h\u1eefu c\u01a1 \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u1ee7a n\u00f3 v\u1edbi m\u00f4i tr\u01b0\u1eddng h\u1eefu c\u01a1. 1. L\u1edbp ph\u1ee7 ch\u1ea5t li\u00ean k\u1ebft<\/p>\n

Nguy\u00ean l\u00fd: S\u1eed d\u1ee5ng c\u1ea5u tr\u00fac l\u01b0\u1ee1ng t\u00ednh c\u1ee7a c\u00e1c ch\u1ea5t li\u00ean k\u1ebft (nh\u01b0 silan, titanat v\u00e0 aluminat), m\u1ed9t \u0111\u1ea7u li\u00ean k\u1ebft v\u1edbi c\u00e1c nh\u00f3m hydroxyl tr\u00ean b\u1ec1 m\u1eb7t titan dioxit, trong khi \u0111\u1ea7u kia ph\u1ea3n \u1ee9ng v\u1edbi n\u1ec1n h\u1eefu c\u01a1 (v\u00ed d\u1ee5: nh\u1ef1a, polyme).<\/p>\n

Ch\u1ee9c n\u0103ng:<\/p>\n

Ch\u1ea5t li\u00ean k\u1ebft silan: C\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n c\u1ee7a titan dioxit trong h\u1ec7 th\u1ed1ng n\u01b0\u1edbc, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u01a1n ph\u1ee7 v\u00e0 m\u1ef1c g\u1ed1c n\u01b0\u1edbc.<\/p>\n

Ch\u1ea5t li\u00ean k\u1ebft titanat\/aluminat: T\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch trong c\u00e1c h\u1ec7 th\u1ed1ng d\u1ea7u nh\u01b0 nh\u1ef1a v\u00e0 cao su, gi\u1ea3m s\u1ef1 k\u1ebft t\u1ee5 trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd.<\/p>\n

2. L\u1edbp ph\u1ee7 ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t<\/p>\n

Nguy\u00ean l\u00fd: C\u00e1c ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t (nh\u01b0 axit b\u00e9o, sulfonat v\u00e0 mu\u1ed1i amoni b\u1eadc b\u1ed1n) b\u00e1m d\u00ednh v\u00e0o b\u1ec1 m\u1eb7t titan dioxit th\u00f4ng qua h\u1ea5p ph\u1ee5 v\u1eadt l\u00fd ho\u1eb7c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc, t\u1ea1o th\u00e0nh l\u1edbp t\u00edch \u0111i\u1ec7n ho\u1eb7c l\u1edbp k\u1ef5 n\u01b0\u1edbc.<\/p>\n

3. L\u1edbp ph\u1ee7 Polymer<\/p>\n

Nguy\u00ean l\u00fd: Gh\u00e9p c\u00e1c polymer (nh\u01b0 acrylate, nh\u1ef1a epoxy v\u00e0 siloxane) l\u00ean b\u1ec1 m\u1eb7t titan dioxide th\u00f4ng qua c\u00e1c ph\u1ea3n \u1ee9ng tr\u00f9ng h\u1ee3p.<\/p>\n

Ch\u1ee9c n\u0103ng:<\/p>\n

T\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp ph\u1ee7 d\u00e0y, b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i s\u1ef1 t\u1ea5n c\u00f4ng h\u00f3a h\u1ecdc v\u00e0 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft c\u0169ng nh\u01b0 c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc.<\/p>\n

T\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c lo\u1ea1i nh\u1ef1a c\u1ee5 th\u1ec3, ph\u00f9 h\u1ee3p cho v\u1eadt li\u1ec7u composite v\u00e0 l\u1edbp ph\u1ee7 hi\u1ec7u su\u1ea5t cao.<\/p>\n

4. L\u1edbp ph\u1ee7 Organosilicon<\/p>\n

Nguy\u00ean l\u00fd: S\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t th\u1ea5p c\u1ee7a polysiloxane (d\u1ea7u silicon, nh\u1ef1a silicon, v.v.) \u0111\u1ec3 ph\u1ee7 c\u00e1c h\u1ea1t titan dioxide.<\/p>\n

Ch\u1ee9c n\u0103ng: Gi\u1ea3m s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t, c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n v\u00e0 b\u00f4i tr\u01a1n, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ef1c in v\u00e0 m\u1ef9 ph\u1ea9m.<\/p>\n

Bi\u1ebfn \u0111\u1ed5i l\u1edbp ph\u1ee7 Composite<\/p>\n

K\u1ebft h\u1ee3p c\u00e1c \u01b0u \u0111i\u1ec3m c\u1ee7a l\u1edbp ph\u1ee7 v\u00f4 c\u01a1 v\u00e0 h\u1eefu c\u01a1, quy tr\u00ecnh ph\u1ee7 k\u00e9p (tu\u1ea7n t\u1ef1 ho\u1eb7c \u0111\u1ed3ng th\u1eddi) \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t b\u1ed5 sung.<\/p>\n

1. L\u1edbp ph\u1ee7 tu\u1ea7n t\u1ef1 v\u00f4 c\u01a1-h\u1eefu c\u01a1<\/p>\n

Quy tr\u00ecnh: \u0110\u1ea7u ti\u00ean, t\u1ea1o m\u1ed9t l\u1edbp m\u00e0ng ch\u1eafn v\u1eadt l\u00fd b\u1eb1ng c\u00e1c oxit v\u00f4 c\u01a1 (v\u00ed d\u1ee5: SiO\u2082), sau \u0111\u00f3 th\u1ef1c hi\u1ec7n bi\u1ebfn t\u00ednh h\u1eefu c\u01a1 b\u1eb1ng c\u00e1c t\u00e1c nh\u00e2n li\u00ean k\u1ebft ho\u1eb7c polyme.<\/p>\n

\u0110\u1eb7c \u0111i\u1ec3m: C\u00e2n b\u1eb1ng gi\u1eefa kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch, ph\u00f9 h\u1ee3p cho l\u1edbp ph\u1ee7 ki\u1ebfn \u200b\u200btr\u00fac hi\u1ec7u su\u1ea5t cao ho\u1eb7c s\u01a1n OEM \u00f4 t\u00f4. 2. L\u1edbp ph\u1ee7 \u0111\u1ed3ng th\u1eddi v\u00f4 c\u01a1-h\u1eefu c\u01a1<\/p>\n

Quy tr\u00ecnh: C\u00e1c t\u00e1c nh\u00e2n ph\u1ee7 v\u00f4 c\u01a1 v\u00e0 h\u1eefu c\u01a1 \u0111\u01b0\u1ee3c \u0111\u01b0a \u0111\u1ed3ng th\u1eddi v\u00e0o c\u00f9ng m\u1ed9t h\u1ec7 th\u1ed1ng ph\u1ea3n \u1ee9ng \u0111\u1ec3 t\u1ea1o th\u00e0nh c\u1ea5u tr\u00fac l\u00f5i-v\u1ecf.<\/p>\n

\u0110\u1eb7c \u0111i\u1ec3m: L\u1edbp ph\u1ee7 c\u00f3 \u0111\u1ed9 b\u00e1m d\u00ednh m\u1ea1nh h\u01a1n v\u00e0 hi\u1ec7u su\u1ea5t \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3, ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng cao c\u1ea5p (v\u00ed d\u1ee5: l\u1edbp ph\u1ee7 h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, nanocomposite).<\/p>\n

C\u00e1c c\u00f4ng ngh\u1ec7 ph\u1ee7 \u0111\u1eb7c bi\u1ec7t kh\u00e1c<\/p>\n

1. L\u1edbp ph\u1ee7 h\u1ea1t nano<\/p>\n

Nguy\u00ean l\u00fd: S\u1eed d\u1ee5ng c\u00e1c h\u1ea1t nano (v\u00ed d\u1ee5: nano-SiO\u2082, nano-ZnO) \u0111\u1ec3 ph\u1ee7 gi\u00fap t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng tia UV v\u00e0 \u0111\u1ed9 trong su\u1ed1t, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ef9 ph\u1ea9m ch\u1ed1ng n\u1eafng v\u00e0 l\u1edbp ph\u1ee7 quang h\u1ecdc.<\/p>\n

2. Vi nang h\u00f3a<\/p>\n

Nguy\u00ean l\u00fd: Bao b\u1ecdc c\u00e1c h\u1ea1t titan dioxit trong c\u00e1c vi nang polyme, gi\u1ea3i ph\u00f3ng titan dioxit b\u1eb1ng c\u00e1ch ki\u1ec3m so\u00e1t c\u00e1c \u0111i\u1ec1u ki\u1ec7n v\u1ee1 nang (v\u00ed d\u1ee5: nhi\u1ec7t \u0111\u1ed9, pH), ph\u00f9 h\u1ee3p cho c\u00e1c l\u1edbp ph\u1ee7 th\u00f4ng minh v\u00e0 h\u1ec7 th\u1ed1ng gi\u1ea3i ph\u00f3ng c\u00f3 ki\u1ec3m so\u00e1t.<\/p>\n

Vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u1ee7 kh\u00e1c nhau ph\u1ee5 thu\u1ed9c v\u00e0o \u1ee9ng d\u1ee5ng (v\u00ed d\u1ee5: l\u1edbp ph\u1ee7, nh\u1ef1a, m\u1ef1c in, m\u1ef9 ph\u1ea9m) v\u00e0 c\u00e1c y\u00eau c\u1ea7u v\u1ec1 hi\u1ec7u su\u1ea5t (kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft, \u0111\u1ed9 ph\u00e2n t\u00e1n, kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch, v.v.).<\/p>\n","protected":false},"excerpt":{"rendered":"

C\u00e1c k\u1ef9 thu\u1eadt c\u1ea3i ti\u1ebfn b\u1ec1 m\u1eb7t ph\u1ed5 bi\u1ebfn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh ba lo\u1ea1i: l\u1edbp ph\u1ee7 v\u00f4 c\u01a1, l\u1edbp ph\u1ee7 h\u1eefu c\u01a1 v\u00e0 l\u1edbp ph\u1ee7 t\u1ed5ng h\u1ee3p.<\/p>\n","protected":false},"author":7,"featured_media":136325,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-136350","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\/136350","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=136350"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/136350\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/136325"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=136350"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=136350"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=136350"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}