{"id":315,"date":"2026-06-25T03:23:57","date_gmt":"2026-06-25T03:23:57","guid":{"rendered":"https:\/\/antifoamingagent.net\/?p=315"},"modified":"2026-06-25T03:23:57","modified_gmt":"2026-06-25T03:23:57","slug":"chat-khu-bot-dang-long-giai-thich-cach-thuc-kiem-soat-bot-trong-cac-ung-dung-cong-nghiep","status":"publish","type":"post","link":"https:\/\/antifoamingagent.net\/vi\/liquid-defoamer-explained-how-it-controls-foam-in-industrial-applications\/","title":{"rendered":"Gi\u1ea3i th\u00edch v\u1ec1 ch\u1ea5t kh\u1eed b\u1ecdt d\u1ea1ng l\u1ecfng: C\u00e1ch th\u1ee9c ki\u1ec3m so\u00e1t b\u1ecdt trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p"},"content":{"rendered":"

Gi\u1ea3i th\u00edch v\u1ec1 ch\u1ea5t kh\u1eed b\u1ecdt d\u1ea1ng l\u1ecfng: C\u00e1ch th\u1ee9c ki\u1ec3m so\u00e1t b\u1ecdt trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p<\/h1>\n

Nh\u1eefng \u0111i\u1ec3m ch\u00ednh<\/h2>\n

Hi\u1ec3u r\u00f5 c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ch\u1ea5t kh\u1eed b\u1ecdt d\u1ea1ng l\u1ecfng c\u00f3 th\u1ec3 gi\u00fap c\u00e1c ho\u1ea1t \u0111\u1ed9ng c\u00f4ng nghi\u1ec7p c\u1ee7a b\u1ea1n tr\u00e1nh \u0111\u01b0\u1ee3c nh\u1eefng h\u01b0 h\u1ecfng thi\u1ebft b\u1ecb t\u1ed1n k\u00e9m v\u00e0 t\u1ed5n th\u1ea5t s\u1ea3n xu\u1ea5t do hi\u1ec7n t\u01b0\u1ee3ng t\u00edch t\u1ee5 b\u1ecdt kh\u00f4ng ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c g\u00e2y ra.<\/p>\n

\u2022 Ch\u1ea5t kh\u1eed b\u1ecdt d\u1ea1ng l\u1ecfng s\u1eed d\u1ee5ng ba th\u00e0nh ph\u1ea7n ho\u1ea1t \u0111\u1ed9ng ph\u1ed1i h\u1ee3p v\u1edbi nhau<\/strong>: c\u00e1c ch\u1ea5t k\u1ef5 n\u01b0\u1edbc (nh\u01b0 silica ho\u1eb7c s\u00e1p), ch\u1ea5t mang (d\u1ea7u ho\u1eb7c n\u01b0\u1edbc) v\u00e0 m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf ch\u1ea5t nh\u0169 h\u00f3a \u0111\u1ec3 gi\u00fap ch\u1ea5t l\u1ecfng lan t\u1ecfa nhanh ch\u00f3ng v\u00e0 l\u00e0m m\u1ea5t \u1ed5n \u0111\u1ecbnh b\u1ecdt t\u1ea1i giao di\u1ec7n kh\u00f4ng kh\u00ed-ch\u1ea5t l\u1ecfng.<\/p>\n

\u2022 B\u1ed1n lo\u1ea1i ch\u1ea5t kh\u1eed b\u1ecdt ch\u00ednh ph\u1ee5c v\u1ee5 c\u00e1c nhu c\u1ea7u kh\u00e1c nhau<\/strong>: lo\u1ea1i g\u1ed1c d\u1ea7u \u0111\u1ec3 ki\u1ec3m so\u00e1t b\u1ecdt tr\u00ean b\u1ec1 m\u1eb7t, lo\u1ea1i g\u1ed1c n\u01b0\u1edbc \u0111\u1ec3 gi\u1ea3i ph\u00f3ng kh\u00ed b\u1ecb k\u1eb9t, lo\u1ea1i g\u1ed1c silicone \u0111\u1ec3 \u0111\u1ea1t hi\u1ec7u su\u1ea5t hai trong m\u1ed9t, v\u00e0 c\u00e1c copolyme EO\/PO cho c\u00e1c \u1ee9ng d\u1ee5ng ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec7t \u0111\u1ed9.<\/p>\n

\u2022 Vi\u1ec7c ki\u1ec3m so\u00e1t b\u1ecdt di\u1ec5n ra th\u00f4ng qua ba c\u01a1 ch\u1ebf<\/strong>: l\u00e0m m\u1ea5t \u1ed5n \u0111\u1ecbnh c\u00e1c l\u00e1 b\u1ecdt b\u1eb1ng c\u00e1ch d\u1ecbch chuy\u1ec3n c\u00e1c ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t, l\u00e0m v\u1ee1 c\u00e1c b\u1ecdt kh\u00ed th\u00f4ng qua hi\u1ec7n t\u01b0\u1ee3ng t\u1ea1o c\u1ea7u v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng t\u00e1ch \u01b0\u1edbt, \u0111\u1ed3ng th\u1eddi th\u00fac \u0111\u1ea9y qu\u00e1 tr\u00ecnh h\u1ee3p nh\u1ea5t b\u1ecdt kh\u00ed \u0111\u1ec3 gi\u1ea3i ph\u00f3ng kh\u00f4ng kh\u00ed b\u1ecb k\u1eb9t m\u1ed9t c\u00e1ch nhanh ch\u00f3ng.<\/p>\n

\u2022 Vi\u1ec7c l\u1ef1a ch\u1ecdn ch\u1ea5t kh\u1eed b\u1ecdt ph\u00f9 h\u1ee3p gi\u00fap ng\u0103n ng\u1eeba s\u1ef1 c\u1ed1 thi\u1ebft b\u1ecb<\/strong>: Trong thi\u1ebft b\u1ecb chi\u1ebft xu\u1ea5t, b\u1ecdt c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m dung t\u00edch b\u1ec3 ch\u1ee9a xu\u1ed1ng 33% v\u00e0 g\u00e2y \u0103n m\u00f2n \u0111\u1ed9ng c\u01a1 ch\u00e2n kh\u00f4ng, trong khi \u0111\u00f3, trong l\u0129nh v\u1ef1c gia c\u00f4ng kim lo\u1ea1i, b\u1ecdt l\u1ea1i c\u1ea3n tr\u1edf c\u00e1c ch\u1ee9c n\u0103ng l\u00e0m m\u00e1t v\u00e0 b\u00f4i tr\u01a1n.<\/p>\n

\u2022 Li\u1ec1u l\u01b0\u1ee3ng thay \u0111\u1ed5i t\u00f9y theo m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng<\/strong>: N\u1ed3ng \u0111\u1ed9 \u0111i\u1ec3n h\u00ecnh dao \u0111\u1ed9ng t\u1eeb 0,1\u20130,31 TP3T trong s\u01a1n latex, 10\u201330 ppm trong qu\u00e1 tr\u00ecnh t\u00e1ch d\u1ea7u\u2013kh\u00ed v\u00e0 10\u2013200 ppm trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, t\u00f9y thu\u1ed9c v\u00e0o m\u1ee9c \u0111\u1ed9 t\u1ea1o b\u1ecdt v\u00e0 \u0111i\u1ec1u ki\u1ec7n quy tr\u00ecnh.<\/p>\n

Ch\u1ea5t kh\u1eed b\u1ecdt d\u1ea1ng l\u1ecfng ph\u00f9 h\u1ee3p, \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn d\u1ef1a tr\u00ean quy tr\u00ecnh c\u00f4ng nghi\u1ec7p c\u1ee5 th\u1ec3 c\u1ee7a qu\u00fd v\u1ecb, s\u1ebd gi\u00fap b\u1ea3o v\u1ec7 tu\u1ed5i th\u1ecd thi\u1ebft b\u1ecb, duy tr\u00ec hi\u1ec7u qu\u1ea3 v\u1eadn h\u00e0nh v\u00e0 lo\u1ea1i b\u1ecf c\u00e1c \u0111i\u1ec3m ngh\u1ebdn trong s\u1ea3n xu\u1ea5t do c\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn b\u1ecdt g\u00e2y ra.<\/p>\n

\"C\u00e1c<\/p>\n

S\u1ef1 t\u00edch t\u1ee5 b\u1ecdt c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n. B\u1ecdt ch\u1ee9a nhi\u1ec1u ch\u1ea5t t\u1ea9y r\u1eeda, khi tr\u1ed9n l\u1eabn v\u1edbi b\u1ee5i b\u1ea9n v\u00e0 x\u01a1 v\u1ea3i, s\u1ebd b\u1ecb h\u00fat v\u00e0o \u0111\u1ed9ng c\u01a1 m\u00e1y h\u00fat b\u1ee5i, g\u00e2y t\u1eafc ngh\u1ebdn \u0111\u01b0\u1eddng d\u1eabn kh\u00ed, \u0103n m\u00f2n c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong v\u00e0 l\u00e0m gi\u1ea3m l\u1ef1c h\u00fat. Ch\u1ea5t kh\u1eed b\u1ecdt d\u1ea1ng l\u1ecfng l\u00e0 m\u1ed9t ch\u1ea5t ph\u1ee5 gia h\u00f3a h\u1ecdc gi\u00fap gi\u1ea3m thi\u1ec3u v\u00e0 ng\u0103n ch\u1eb7n s\u1ef1 h\u00ecnh th\u00e0nh b\u1ecdt trong c\u00e1c ch\u1ea5t l\u1ecfng c\u1ee7a quy tr\u00ecnh c\u00f4ng nghi\u1ec7p. C\u00e1c quy tr\u00ecnh c\u00f4ng nghi\u1ec7p ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi nh\u1eefng v\u1ea5n \u0111\u1ec1 nghi\u00eam tr\u1ecdng do b\u1ecdt g\u00e2y ra, nh\u01b0 t\u1ea1o ra khuy\u1ebft t\u1eadt tr\u00ean l\u1edbp ph\u1ee7 b\u1ec1 m\u1eb7t v\u00e0 c\u1ea3n tr\u1edf qu\u00e1 tr\u00ecnh \u0111\u1ed5 \u0111\u1ea7y th\u00f9ng ch\u1ee9a hi\u1ec7u qu\u1ea3. Ch\u00fang ta th\u01b0\u1eddng g\u1eb7p nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y nh\u1ea5t trong c\u00e1c b\u1ec3 thu h\u1ed3i c\u1ee7a m\u00e1y chi\u1ebft xu\u1ea5t v\u00e0 m\u00e1y ch\u00e0 s\u00e0n t\u1ef1 \u0111\u1ed9ng, n\u01a1i vi\u1ec7c ki\u1ec3m so\u00e1t b\u1ecdt tr\u1edf n\u00ean c\u1ef1c k\u1ef3 quan tr\u1ecdng. C\u00e1c ch\u1ea5t kh\u1eed b\u1ecdt ph\u1ed5 bi\u1ebfn nh\u1ea5t bao g\u1ed3m d\u1ea7u kh\u00f4ng tan, c\u00e1c h\u1ee3p ch\u1ea5t kh\u1eed b\u1ecdt g\u1ed1c silicone nh\u01b0 polydimethylsiloxanes v\u00e0 m\u1ed9t s\u1ed1 lo\u1ea1i c\u1ed3n. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ch\u1ea5t kh\u1eed b\u1ecdt d\u1ea1ng l\u1ecfng, c\u00e1c lo\u1ea1i kh\u00e1c nhau c\u1ee7a ch\u00fang v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang trong c\u00e1c ho\u1ea1t \u0111\u1ed9ng c\u00f4ng nghi\u1ec7p.<\/p>\n

Ch\u1ea5t kh\u1eed b\u1ecdt d\u1ea1ng l\u1ecfng l\u00e0 g\u00ec v\u00e0 c\u00e1c t\u00ednh ch\u1ea5t ch\u00ednh c\u1ee7a ch\u00fang<\/h2>\n

Ch\u1ea5t kh\u1eed b\u1ecdt d\u1ea1ng l\u1ecfng bao g\u1ed3m ba th\u00e0nh ph\u1ea7n ri\u00eang bi\u1ec7t ph\u1ed1i h\u1ee3p v\u1edbi nhau \u0111\u1ec3 ki\u1ec3m so\u00e1t b\u1ecdt. Th\u00e0nh ph\u1ea7n ch\u00ednh l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u k\u1ef5 n\u01b0\u1edbc<\/strong> \u0111\u00f3ng vai tr\u00f2 l\u00e0 th\u00e0nh ph\u1ea7n ho\u1ea1t t\u00ednh. C\u00e1c v\u1eadt li\u1ec7u k\u1ef5 n\u01b0\u1edbc bao g\u1ed3m silica \u0111\u00e3 qua x\u1eed l\u00fd, s\u00e1p (t\u1ed5ng h\u1ee3p ho\u1eb7c t\u1ef1 nhi\u00ean) v\u00e0 silicone ho\u1eb7c c\u00e1c d\u1eabn xu\u1ea5t c\u1ee7a silicone. C\u00e1c ch\u1ea5t k\u1ef5 n\u01b0\u1edbc n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ri\u00eang l\u1ebb ho\u1eb7c k\u1ebft h\u1ee3p v\u1edbi nhau \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t.<\/p>\n

Th\u00e0nh ph\u1ea7n th\u1ee9 hai l\u00e0 m\u1ed9t xe ch\u1edf h\u00e0ng<\/strong> gi\u00fap chuy\u1ec3n c\u00e1c ho\u1ea1t ch\u1ea5t k\u1ef5 n\u01b0\u1edbc v\u00e0o h\u1ec7 th\u1ed1ng \u01b0a n\u01b0\u1edbc gi\u1eef kh\u00f4ng kh\u00ed. C\u00e1c ch\u1ea5t mang bao g\u1ed3m d\u1ea7u kho\u00e1ng, d\u1ea7u th\u1ef1c v\u1eadt v\u00e0 d\u1ea7u silicone. Ch\u1ea5t l\u1ecfng mang th\u01b0\u1eddng c\u00f3 s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t th\u1ea5p h\u01a1n so v\u1edbi ch\u1ea5t l\u1ecfng t\u1ea1o b\u1ecdt. \u0110\u1ed9 \u1ed5n \u0111\u1ecbnh l\u00e2u d\u00e0i c\u1ee7a ch\u1ea5t mang trong dung d\u1ecbch ban \u0111\u1ea7u quy\u1ebft \u0111\u1ecbnh hi\u1ec7u qu\u1ea3 ki\u1ec3m so\u00e1t b\u1ecdt trong c\u00e1c s\u1ea3n ph\u1ea9m c\u00f3 th\u1eddi h\u1ea1n s\u1eed d\u1ee5ng k\u00e9o d\u00e0i.<\/p>\n

Th\u00e0nh ph\u1ea7n th\u1ee9 ba, m\u1ed9t ch\u1ea5t nh\u0169 h\u00f3a<\/strong>, s\u1ebd gi\u00fap ph\u00e2n b\u1ed1 t\u1ed1i \u01b0u th\u00e0nh ph\u1ea7n k\u1ef5 n\u01b0\u1edbc trong ch\u1ea5t mang \u0111\u1ed3ng th\u1eddi t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho ch\u1ea5t ki\u1ec3m so\u00e1t b\u1ecdt lan t\u1ecfa \u0111\u1ec1u trong ch\u1ea5t l\u1ecfng. C\u00e1c ch\u1ea5t nh\u0169 h\u00f3a \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng bao g\u1ed3m alkylphenol ethoxyl h\u00f3a v\u00e0 este sorbitan. Ch\u00fang t\u00f4i gi\u1ea3m thi\u1ec3u l\u01b0\u1ee3ng ch\u1ea5t nh\u0169 h\u00f3a v\u00ec ch\u00ednh c\u00e1c h\u1ee3p ch\u1ea5t n\u00e0y c\u0169ng c\u00f3 th\u1ec3 g\u00f3p ph\u1ea7n v\u00e0o qu\u00e1 tr\u00ecnh t\u1ea1o b\u1ecdt.<\/p>\n

Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc v\u00e0 ho\u1ea1t t\u00ednh b\u1ec1 m\u1eb7t<\/h3>\n

C\u00e1c ch\u1ea5t kh\u1eed b\u1ecdt ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 h\u01a1n khi s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t ho\u1eb7c s\u1ee9c c\u0103ng gi\u1eefa c\u00e1c pha gi\u1ea3m xu\u1ed1ng. M\u1ed9t ch\u1ea5t kh\u1eed b\u1ecdt g\u1ed1c silicone ch\u1ee9a c\u00e1c th\u00e0nh ph\u1ea7n ho\u1ea1t t\u00ednh b\u1ec1 m\u1eb7t gi\u00fap l\u00e0m gi\u1ea3m s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t c\u1ee7a ch\u1ea5t l\u1ecfng \u0111\u1ebfn m\u1ee9c khi\u1ebfn c\u00e1c b\u1ecdt kh\u00ed trong b\u1ecdt b\u1ecb v\u1ee1. S\u1ef1 gi\u1ea3m s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t n\u00e0y gi\u00fap ch\u1ea5t kh\u1eed b\u1ecdt lan t\u1ecfa nhanh h\u01a1n tr\u00ean b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac c\u1ee7a b\u1ecdt.<\/p>\n

Y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 nh\u1edbt \u0111\u1ec3 c\u00f3 th\u1ec3 ph\u1ebft nhanh<\/h3>\n

\u0110\u1ed9 nh\u1edbt th\u1ea5p g\u00f3p ph\u1ea7n v\u00e0o kh\u1ea3 n\u0103ng th\u1ea5m s\u00e2u v\u00e0 lan t\u1ecfa. Ch\u1ea5t kh\u1eed b\u1ecdt d\u1ea1ng l\u1ecfng ph\u1ea3i c\u00f3 h\u1ec7 s\u1ed1 lan t\u1ecfa nhanh \u0111\u1ec3 c\u00f3 th\u1ec3 lan t\u1ecfa \u0111\u1ec1u tr\u00ean b\u1ec1 m\u1eb7t m\u00f4i tr\u01b0\u1eddng. N\u1ebfu kh\u00f4ng c\u00f3 \u0111\u1eb7c t\u00ednh \u0111\u1ed9 nh\u1edbt th\u1ea5p n\u00e0y, ch\u1ea5t kh\u1eed b\u1ecdt s\u1ebd kh\u00f4ng th\u1ec3 ti\u1ebfp c\u1eadn \u0111\u01b0\u1ee3c b\u1ec1 m\u1eb7t ti\u1ebfp gi\u00e1p kh\u00ed-l\u1ecfng, n\u01a1i qu\u00e1 tr\u00ecnh \u1ed5n \u0111\u1ecbnh b\u1ecdt di\u1ec5n ra \u0111\u1ee7 nhanh.<\/p>\n

Kh\u00f4ng h\u00f2a tan trong m\u00f4i tr\u01b0\u1eddng t\u1ea1o b\u1ecdt<\/h3>\n

Ch\u1ea5t kh\u1eed b\u1ecdt ph\u1ea3i kh\u00f4ng h\u00f2a tan trong m\u00f4i tr\u01b0\u1eddng t\u1ea1o b\u1ecdt. Pha l\u1ecfng c\u1ee7a ch\u1ea5t kh\u1eed b\u1ecdt ph\u1ea3i c\u00f3 m\u1ee9c \u0111\u1ed9 kh\u00f4ng t\u01b0\u01a1ng th\u00edch ho\u1eb7c kh\u00f4ng h\u00f2a tan v\u1edbi m\u00f4i tr\u01b0\u1eddng m\u00e0 n\u00f3 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o. S\u1ef1 kh\u00f4ng t\u01b0\u01a1ng th\u00edch n\u00e0y gi\u00fap ch\u1ea5t kh\u1eed b\u1ecdt c\u00f3 th\u1ec3 t\u1ea1o th\u00e0nh c\u00e1c gi\u1ecdt nh\u1ecf n\u1ed5i l\u00ean b\u1ec1 m\u1eb7t v\u00e0 lan t\u1ecfa t\u1ed1t, l\u00e0m v\u1ee1 c\u00e1c b\u1ecdt kh\u00ed m\u00e0 kh\u00f4ng g\u00f3p ph\u1ea7n t\u1ea1o th\u00eam b\u1ecdt.<\/p>\n

C\u00e1c lo\u1ea1i ch\u1ea5t kh\u1eed b\u1ecdt d\u1ea1ng l\u1ecfng<\/h2>\n

C\u00e1c nh\u00e0 ch\u1ebf t\u1ea1o c\u00f4ng th\u1ee9c l\u1ef1a ch\u1ecdn t\u1eeb b\u1ed1n nh\u00f3m ch\u00ednh c\u1ee7a ch\u1ea5t kh\u1eed b\u1ecdt d\u1ea1ng l\u1ecfng d\u1ef1a tr\u00ean h\u1ec7 th\u1ed1ng ch\u1ea5t mang v\u00e0 th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc ho\u1ea1t t\u00ednh c\u1ea7n thi\u1ebft cho c\u00e1c \u0111i\u1ec1u ki\u1ec7n quy tr\u00ecnh c\u1ee5 th\u1ec3.<\/p>\n

Ch\u1ea5t kh\u1eed b\u1ecdt g\u1ed1c d\u1ea7u c\u00f3 ch\u1ea5t mang l\u00e0 d\u1ea7u kho\u00e1ng ho\u1eb7c d\u1ea7u th\u1ef1c v\u1eadt<\/h3>\n

C\u00e1c c\u00f4ng th\u1ee9c g\u1ed1c d\u1ea7u s\u1eed d\u1ee5ng d\u1ea7u kho\u00e1ng, d\u1ea7u th\u1ef1c v\u1eadt ho\u1eb7c d\u1ea7u tr\u1eafng l\u00e0m ch\u1ea5t mang. C\u00e1c h\u1ee3p ch\u1ea5t n\u00e0y bao g\u1ed3m s\u00e1p ho\u1eb7c silica k\u1ef5 n\u01b0\u1edbc \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t. C\u00e1c bi\u1ebfn th\u1ec3 d\u1ea7u kho\u00e1ng mang l\u1ea1i kh\u1ea3 n\u0103ng \u1ee9c ch\u1ebf b\u1ecdt tuy\u1ec7t v\u1eddi trong c\u00e1c h\u1ec7 th\u1ed1ng g\u1ed1c n\u01b0\u1edbc. C\u00e1c s\u1ea3n ph\u1ea9m thay th\u1ebf t\u1eeb d\u1ea7u th\u1ef1c v\u1eadt cung c\u1ea5p h\u00e0m l\u01b0\u1ee3ng ho\u1ea1t ch\u1ea5t 100% v\u1edbi hi\u1ec7u qu\u1ea3 \u1edf m\u1ee9c 0,1\u20130,3% (theo tr\u1ecdng l\u01b0\u1ee3ng) trong c\u00e1c h\u1ec7 th\u1ed1ng s\u01a1n latex. C\u00e1c c\u00f4ng th\u1ee9c d\u1ea7u th\u1ef1c v\u1eadt lo\u1ea1i b\u1ecf nguy c\u01a1 nhi\u1ec5m silicone g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng l\u00f5m b\u1ec1 m\u1eb7t, v\u1ebft m\u1eaft c\u00e1 v\u00e0 s\u1ef1 thi\u1ebfu k\u1ebft d\u00ednh gi\u1eefa c\u00e1c l\u1edbp s\u01a1n trong c\u00e1c h\u1ec7 th\u1ed1ng acrylic v\u00e0 vinyl acetate. C\u00e1c ch\u1ea5t kh\u1eed b\u1ecdt n\u00e0y r\u1ea5t hi\u1ec7u qu\u1ea3 trong vi\u1ec7c lo\u1ea1i b\u1ecf b\u1ecdt tr\u00ean b\u1ec1 m\u1eb7t.<\/p>\n

Ch\u1ea5t kh\u1eed b\u1ecdt g\u1ed1c n\u01b0\u1edbc \u0111\u1ec3 lo\u1ea1i b\u1ecf kh\u00ed l\u1eabn trong ch\u1ea5t l\u1ecfng<\/h3>\n

C\u00e1c c\u00f4ng th\u1ee9c g\u1ed1c n\u01b0\u1edbc ph\u00e2n t\u00e1n c\u00e1c lo\u1ea1i d\u1ea7u v\u00e0 s\u00e1p kh\u00e1c nhau trong ch\u1ea5t mang d\u1ea1ng n\u01b0\u1edbc. C\u00e1c lo\u1ea1i d\u1ea7u c\u00f3 th\u1ec3 l\u00e0 d\u1ea7u kho\u00e1ng ho\u1eb7c d\u1ea7u th\u1ef1c v\u1eadt, c\u00f2n s\u00e1p bao g\u1ed3m c\u00e1c lo\u1ea1i r\u01b0\u1ee3u b\u00e9o chu\u1ed7i d\u00e0i, x\u00e0 ph\u00f2ng axit b\u00e9o ho\u1eb7c este. Ch\u1ea5t kh\u1eed b\u1ecdt g\u1ed1c n\u01b0\u1edbc c\u00f3 ch\u1ee9c n\u0103ng kh\u1eed kh\u00ed v\u00e0 gi\u1ea3i ph\u00f3ng kh\u00f4ng kh\u00ed b\u1ecb k\u1eb9t trong ch\u1ea5t l\u1ecfng qu\u00e1 tr\u00ecnh, kh\u00e1c v\u1edbi c\u00e1c lo\u1ea1i g\u1ed1c d\u1ea7u. \u0110\u1eb7c t\u00ednh n\u00e0y khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng m\u00e0 vi\u1ec7c lo\u1ea1i b\u1ecf kh\u00f4ng kh\u00ed b\u00ean trong ch\u1ea5t l\u1ecfng quan tr\u1ecdng h\u01a1n vi\u1ec7c ki\u1ec3m so\u00e1t b\u1ecdt tr\u00ean b\u1ec1 m\u1eb7t.<\/p>\n

H\u1ee3p ch\u1ea5t kh\u1eed b\u1ecdt g\u1ed1c silicone<\/h3>\n

C\u00e1c c\u00f4ng th\u1ee9c silicone ch\u1ee9a c\u00e1c polyme c\u00f3 c\u1ea5u tr\u00fac x\u01b0\u01a1ng s\u1ed1ng l\u00e0 silicon, \u0111\u01b0\u1ee3c cung c\u1ea5p d\u01b0\u1edbi d\u1ea1ng d\u1ea7u ho\u1eb7c nh\u0169 t\u01b0\u01a1ng g\u1ed1c n\u01b0\u1edbc. M\u1ed9t nh\u0169 t\u01b0\u01a1ng ch\u1ed1ng t\u1ea1o b\u1ecdt silicone \u0111i\u1ec3n h\u00ecnh bao g\u1ed3m polydimethylsiloxane 30% trong n\u01b0\u1edbc c\u00f9ng v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n v\u00f4 c\u01a1 \u0111\u00e3 \u0111\u01b0\u1ee3c bi\u1ebfn t\u00ednh. C\u00e1c h\u1ee3p ch\u1ea5t n\u00e0y gi\u00fap ph\u00e2n t\u00e1n silica k\u1ef5 n\u01b0\u1edbc trong d\u1ea7u silicone. C\u00e1c bi\u1ebfn th\u1ec3 silicone th\u1ef1c hi\u1ec7n hai ch\u1ee9c n\u0103ng: l\u00e0m gi\u1ea3m b\u1ecdt b\u1ec1 m\u1eb7t \u0111\u1ed3ng th\u1eddi gi\u1ea3i ph\u00f3ng kh\u00f4ng kh\u00ed b\u1ecb k\u1eb9t b\u00ean trong. Ch\u00fang v\u1eabn ph\u00f9 h\u1ee3p cho c\u00e1c h\u1ec7 th\u1ed1ng t\u1ea1o b\u1ecdt kh\u00f4ng ch\u1ee9a n\u01b0\u1edbc, bao g\u1ed3m c\u00e1c ho\u1ea1t \u0111\u1ed9ng li\u00ean quan \u0111\u1ebfn d\u1ea7u th\u00f4 v\u00e0 qu\u00e1 tr\u00ecnh tinh ch\u1ebf.<\/p>\n

Ch\u1ea5t kh\u1eed b\u1ecdt copolymer EO\/PO<\/h3>\n

C\u00e1c copolyme kh\u1ed1i ethylene oxide\/propylene oxide ho\u1ea1t \u0111\u1ed9ng th\u00f4ng qua c\u01a1 ch\u1ebf h\u00f2a tan ngh\u1ecbch \u0111\u1ea3o. C\u00e1c ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t kh\u00f4ng ion n\u00e0y v\u1eabn h\u00f2a tan trong n\u01b0\u1edbc \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p nh\u01b0ng s\u1ebd k\u1ebft t\u1ee7a v\u00e0 lan t\u1ecfa t\u1ea1i giao di\u1ec7n b\u1ecdt khi nhi\u1ec7t \u0111\u1ed9 qu\u00e1 tr\u00ecnh v\u01b0\u1ee3t qu\u00e1 \u0111i\u1ec3m \u0111\u1ee5c c\u1ee7a ch\u00fang. Kh\u1ea3 n\u0103ng kh\u1eed b\u1ecdt ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ed1i quan h\u1ec7 gi\u1eefa \u0111i\u1ec3m m\u00e2y c\u1ee7a ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t v\u00e0 nhi\u1ec7t \u0111\u1ed9 \u1ee9ng d\u1ee5ng. C\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f4ng th\u1ee9c n\u00ean l\u1ef1a ch\u1ecdn c\u00e1c copolyme kh\u1ed1i c\u00f3 \u0111i\u1ec3m m\u00e2y th\u1ea5p h\u01a1n nhi\u1ec7t \u0111\u1ed9 s\u1eed d\u1ee5ng d\u1ef1 ki\u1ebfn. C\u00e1c ch\u1ea5t ho\u1ea1t t\u00ednh 100% kh\u00f4ng ch\u1ee9a silicone n\u00e0y c\u00f3 t\u00ednh tr\u01a1 sinh h\u1ecdc. \u0110i\u1ec1u n\u00e0y gi\u00fap ch\u00fang an to\u00e0n khi s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng l\u00ean men.<\/p>\n

C\u00e1ch th\u1ee9c c\u00e1c ch\u1ea5t kh\u1eed b\u1ecdt d\u1ea1ng l\u1ecfng ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh h\u00ecnh th\u00e0nh b\u1ecdt<\/h2>\n

\u201cc\u01a1 ch\u1ebf lan truy\u1ec1n do l\u1edbp m\u00e0ng c\u1ee7a bong b\u00f3ng v\u1ee1 b\u1ecb h\u1ea5p th\u1ee5 v\u00e0o l\u1edbp m\u00e0ng ch\u1ea5t l\u1ecfng xung quanh\u201d \u2014 Rei Kurita<\/strong>, Ph\u00f3 gi\u00e1o s\u01b0, \u0110\u1ea1i h\u1ecdc Th\u1ee7 \u0111\u00f4 Tokyo<\/em><\/a><\/p><\/blockquote>\n

C\u00f3 ba c\u01a1 ch\u1ebf chi ph\u1ed1i vi\u1ec7c ki\u1ec3m so\u00e1t b\u1ecdt sau khi th\u00eam ch\u1ea5t kh\u1eed b\u1ecdt d\u1ea1ng l\u1ecfng v\u00e0o dung d\u1ecbch x\u1eed l\u00fd. C\u00e1c c\u01a1 ch\u1ebf n\u00e0y ph\u1ed1i h\u1ee3p v\u1edbi nhau \u0111\u1ec3 lo\u1ea1i b\u1ecf b\u1ecdt b\u1ec1 m\u1eb7t v\u00e0 c\u00e1c b\u1ecdt kh\u00ed l\u1eabn trong dung d\u1ecbch.<\/p>\n

S\u1ef1 m\u1ea5t \u1ed5n \u0111\u1ecbnh c\u1ee7a c\u00e1c l\u00e1 b\u1ecdt t\u1ea1i giao di\u1ec7n kh\u00ed-ch\u1ea5t l\u1ecfng<\/h3>\n

Qu\u00e1 tr\u00ecnh lan t\u1ecfa t\u1ea1o ra m\u1ed9t c\u00fa s\u1ed1c c\u01a1 h\u1ecdc l\u00ean b\u1ec1 m\u1eb7t b\u1ecdt v\u00e0 l\u00e0m m\u1ea5t \u1ed5n \u0111\u1ecbnh c\u1ea5u tr\u00fac c\u1ee7a n\u00f3. Ch\u1ea5t kh\u1eed b\u1ecdt lan t\u1ecfa tr\u00ean b\u1ec1 m\u1eb7t b\u1ecdt nhanh h\u01a1n, th\u1ea5m s\u00e2u v\u00e0o c\u00e1c l\u1edbp lamellae v\u00e0 ph\u00e1 v\u1ee1 s\u1ef1 k\u1ebft d\u00ednh c\u1ee7a b\u1ecdt. Th\u00e0nh ph\u1ea7n k\u1ef5 n\u01b0\u1edbc thay th\u1ebf c\u00e1c ch\u1ea5t ho\u1ea1t t\u00ednh b\u1ec1 m\u1eb7t \u1ed5n \u0111\u1ecbnh t\u1ea1i giao di\u1ec7n kh\u00f4ng kh\u00ed-ch\u1ea5t l\u1ecfng. T\u00ednh t\u01b0\u01a1ng h\u1ee3p v\u1edbi b\u1ec1 m\u1eb7t kh\u00f4ng kh\u00ed-ch\u1ea5t l\u1ecfng n\u00e0y l\u00e0m v\u1ee1 c\u00e1c bong b\u00f3ng kh\u00ed v\u00e0 ph\u00e1 v\u1ee1 l\u1edbp b\u1ecdt tr\u00ean b\u1ec1 m\u1eb7t.<\/p>\n

S\u1ef1 v\u1ee1 c\u1ee7a c\u00e1c bong b\u00f3ng kh\u00ed do hi\u1ec7n t\u01b0\u1ee3ng lan r\u1ed9ng tr\u00ean b\u1ec1 m\u1eb7t<\/h3>\n

Ch\u1ea5t kh\u1eed b\u1ecdt x\u00e2m nh\u1eadp v\u00e0o th\u00e0nh bong b\u00f3ng v\u00e0 ph\u00e1 v\u1ee1 c\u1ea5u tr\u00fac m\u00e0ng th\u00f4ng qua c\u01a1 ch\u1ebf t\u1ea1o c\u1ea7u n\u1ed1i. C\u00e1c gi\u1ecdt ch\u1ea5t kh\u1eed b\u1ecdt c\u00f3 s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t th\u1ea5p k\u00e9o d\u00e0i qua c\u00e1c lamella v\u00e0 t\u1ea1o th\u00e0nh c\u00e1c c\u1ea7u n\u1ed1i kh\u00f4ng \u1ed5n \u0111\u1ecbnh. M\u1ed9t h\u1ea1t k\u1ef5 n\u01b0\u1edbc ho\u1eb7c gi\u1ecdt d\u1ea7u c\u00f3 g\u00f3c ti\u1ebfp x\u00fac l\u1edbn h\u01a1n 90\u00b0 s\u1ebd g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng t\u00e1ch \u01b0\u1edbt khi ti\u1ebfp x\u00fac v\u1edbi c\u1ea3 hai m\u1eb7t c\u1ee7a l\u1edbp m\u00e0ng m\u1ecfng. Ch\u1ea5t l\u1ecfng ti\u1ebfp x\u00fac v\u1edbi h\u1ea1t n\u00e0y s\u1ebd u\u1ed1n cong v\u00e0o trong cho \u0111\u1ebfn khi c\u1ea3 hai m\u1eb7t c\u1ee7a m\u00e0ng ch\u1ea1m v\u00e0o nhau v\u00e0 v\u1ee1 ra. L\u1edbp m\u00e0ng m\u1ecfng s\u1ebd tho\u00e1t n\u01b0\u1edbc khi c\u1ea7u n\u1ed1i h\u00ecnh th\u00e0nh v\u00e0 \u0111\u1ea1t \u0111\u1ebfn \u0111i\u1ec3m t\u1edbi h\u1ea1n, n\u01a1i n\u00f3 v\u1ee1 ra v\u00e0 gi\u1ea3i ph\u00f3ng kh\u00f4ng kh\u00ed b\u1ecb k\u1eb9t b\u00ean trong.<\/p>\n

S\u1ef1 k\u1ebft t\u1ee5 v\u00e0 n\u1ed5i l\u00ean c\u1ee7a c\u00e1c b\u1ecdt kh\u00ed b\u1ecb cu\u1ed1n theo<\/h3>\n

C\u00e1c b\u1ecdt kh\u00ed l\u1eabn trong h\u1ed7n h\u1ee3p k\u1ebft t\u1ee5 l\u1ea1i v\u00e0 t\u1ea1o th\u00e0nh nh\u1eefng b\u1ecdt kh\u00ed l\u1edbn h\u01a1n, n\u1ed5i l\u00ean b\u1ec1 m\u1eb7t nhanh h\u01a1n. Nhi\u1ec1u b\u1ecdt kh\u00ed nh\u1ecf h\u1ee3p nh\u1ea5t l\u1ea1i v\u00e0 tho\u00e1t ra kh\u1ecfi h\u1ed7n h\u1ee3p th\u00f4ng qua qu\u00e1 tr\u00ecnh h\u1ee3p nh\u1ea5t. Ch\u1ea5t kh\u1eed b\u1ecdt l\u00e0m gi\u1ea3m \u0111\u1ed9 d\u1ed1c c\u1ee7a s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t. C\u00e1c m\u00e0ng b\u1ecdt m\u1ecfng d\u1ea7n v\u00e0 v\u1ee1 ra t\u1ea1i c\u00e1c \u0111i\u1ec3m c\u1ee5 th\u1ec3, gi\u1ea3i ph\u00f3ng kh\u00ed b\u00ean trong. Qu\u00e1 tr\u00ecnh h\u1ee3p nh\u1ea5t n\u00e0y gi\u00fap lo\u1ea1i b\u1ecf c\u00e1c b\u1ecdt kh\u00ed l\u1eabn trong h\u1ed7n h\u1ee3p c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn khi \u00e1p d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p khu\u1ea5y tr\u1ed9n ph\u00f9 h\u1ee3p.<\/p>\n

\u1ee8ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p v\u00e0 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1<\/h2>\n

\u201cC\u00e1c c\u00f4ng ngh\u1ec7 silica c\u1ee7a ch\u00fang t\u00f4i gi\u00fap gi\u1ea3m h\u00e0m l\u01b0\u1ee3ng d\u1ea7u v\u00e0 ti\u1ebft ki\u1ec7m h\u01a1n trong vi\u1ec7c \u0111\u1ecbnh l\u01b0\u1ee3ng, nh\u1edd hi\u1ec7u \u1ee9ng t\u0103ng c\u01b0\u1eddng m\u1ea1nh m\u1ebd gi\u00fap \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh ph\u00e2n h\u1ee7y b\u1ecdt v\u00e0 n\u00e2ng cao hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00f4ng th\u1ee9c.\u201d \u2014 Evonik<\/strong>, C\u00f4ng ty h\u00e0ng \u0111\u1ea7u trong l\u0129nh v\u1ef1c h\u00f3a ch\u1ea5t chuy\u00ean d\u1ee5ng<\/em><\/a><\/p><\/blockquote>\n

C\u00e1c doanh nghi\u1ec7p c\u00f4ng nghi\u1ec7p \u0111ang ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi t\u00ecnh tr\u1ea1ng th\u1ea5t tho\u00e1t s\u1ea3n l\u01b0\u1ee3ng do b\u1ecdt g\u00e2y ra trong nhi\u1ec1u l\u0129nh v\u1ef1c. M\u1ed7i l\u0129nh v\u1ef1c \u0111\u1ec1u c\u1ea7n c\u00e1c gi\u1ea3i ph\u00e1p ch\u1ea5t kh\u1eed b\u1ecdt d\u1ea1ng l\u1ecfng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang, ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n quy tr\u00ecnh c\u1ee5 th\u1ec3.<\/p>\n

Ki\u1ec3m so\u00e1t b\u1ecdt trong b\u1ec3 thu h\u1ed3i c\u1ee7a thi\u1ebft b\u1ecb chi\u1ebft xu\u1ea5t<\/h3>\n

B\u1ecdt trong b\u1ec3 thu h\u1ed3i c\u1ee7a m\u00e1y gi\u1eb7t th\u1ea3m khi\u1ebfn c\u01a1 ch\u1ebf phao \u0111\u00f3ng l\u1ea1i qu\u00e1 s\u1edbm v\u00e0 l\u00e0m gi\u1ea3m dung t\u00edch b\u1ec3 l\u00ean \u0111\u1ebfn 33%. C\u01a1 ch\u1ebf phao s\u1ebd kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng khi b\u1ecb b\u1ecdt c\u1ea3n tr\u1edf, d\u1eabn \u0111\u1ebfn dung d\u1ecbch b\u1ea9n b\u1ecb h\u00fat v\u00e0o \u0111\u1ed9ng c\u01a1 h\u00fat ch\u00e2n kh\u00f4ng. \u0110i\u1ec1u n\u00e0y g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng \u0103n m\u00f2n v\u00e0 h\u01b0 h\u1ecfng s\u1edbm. Ch\u00fang t\u00f4i th\u00eam ch\u1ea5t kh\u1eed b\u1ecdt \u0111\u00e3 pha lo\u00e3ng qua \u1ed1ng thu h\u1ed3i \u0111\u1ec3 x\u1eed l\u00fd to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng h\u00fat, sau \u0111\u00f3 duy tr\u00ec n\u1ed3ng \u0111\u1ed9 t\u1eeb 0,5 \u0111\u1ebfn 1,0 ounce tr\u00ean m\u1ed7i gallon dung t\u00edch b\u1ec3 ch\u1ee9a.<\/p>\n

Qu\u1ea3n l\u00fd b\u1ecdt trong ch\u1ea5t l\u00e0m m\u00e1t v\u00e0 ch\u1ea5t l\u1ecfng c\u00f4ng ngh\u1ec7<\/h3>\n

B\u1ecdt trong dung d\u1ecbch l\u00e0m m\u00e1t gia c\u00f4ng kim lo\u1ea1i l\u00e0m gi\u1ea3m hi\u1ec7u qu\u1ea3 b\u00f4i tr\u01a1n v\u00e0 l\u00e0m m\u00e1t. N\u00f3 c\u0169ng l\u00e0m t\u0103ng th\u1ec3 t\u00edch c\u1ee7a h\u1ec7 th\u1ed1ng. M\u1ed9t ounce ch\u1ea5t kh\u1eed b\u1ecdt c\u00f4 \u0111\u1eb7c c\u00f3 th\u1ec3 x\u1eed l\u00fd 50 gallon dung d\u1ecbch l\u00e0m m\u00e1t \u0111\u00e3 pha lo\u00e3ng. C\u00e1c quy tr\u00ecnh gia c\u00f4ng CNC \u00e1p su\u1ea5t cao tr\u00ean 800 psi \u0111\u00f2i h\u1ecfi ph\u1ea3i s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng th\u1ee9c chuy\u00ean d\u1ee5ng c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o b\u1ecdt th\u1ea5p.<\/p>\n

Nh\u00e0 m\u00e1y gi\u1ea5y v\u00e0 ch\u1ebf bi\u1ebfn b\u1ed9t g\u1ed7<\/h3>\n

Nh\u0169 t\u01b0\u01a1ng silicone v\u1eabn duy tr\u00ec ho\u1ea1t t\u00ednh trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 m\u00f4i tr\u01b0\u1eddng ki\u1ec1m. Nh\u1eefng \u0111i\u1ec1u ki\u1ec7n n\u00e0y xu\u1ea5t hi\u1ec7n trong c\u00e1c giai \u0111o\u1ea1n r\u1eeda b\u1ed9t gi\u1ea5y, bay h\u01a1i v\u00e0 t\u1ea9y tr\u1eafng. C\u00e1c c\u00f4ng th\u1ee9c n\u00e0y gi\u00fap lo\u1ea1i b\u1ecf kh\u00f4ng kh\u00ed l\u1eabn trong dung d\u1ecbch v\u00e0 gi\u1ea3m s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t c\u1ee7a dung d\u1ecbch x\u1eed l\u00fd. Vi\u1ec7c r\u1eeda b\u1ed9t gi\u1ea5y th\u00f4 b\u1eb1ng c\u00e1c h\u1ee3p ch\u1ea5t organosilicone bi\u1ebfn t\u00ednh gi\u00fap gi\u1ea3m l\u01b0\u1ee3ng h\u00f3a ch\u1ea5t mang theo v\u00e0 chi ph\u00ed t\u1ea9y tr\u1eafng.<\/p>\n

C\u00e1c ho\u1ea1t \u0111\u1ed9ng ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m v\u00e0 tinh ch\u1ebf d\u1ea7u<\/h3>\n

C\u00e1c ch\u1ea5t kh\u1eed b\u1ecdt \u0111\u1ea1t ti\u00eau chu\u1ea9n th\u1ef1c ph\u1ea9m gi\u00fap ki\u1ec3m so\u00e1t b\u1ecdt trong c\u00e1c quy tr\u00ecnh s\u1ea3n xu\u1ea5t bia, ch\u1ebf bi\u1ebfn n\u01b0\u1edbc \u00e9p v\u00e0 ch\u1ebf bi\u1ebfn s\u1eefa, \u0111\u1ed3ng th\u1eddi tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh c\u1ee7a FDA. C\u00e1c ch\u1ea5t kh\u1eed b\u1ecdt silicone lo\u1ea1i b\u1ecf b\u1ecdt v\u1edbi li\u1ec1u l\u01b0\u1ee3ng 10\u201330 ppm trong qu\u00e1 tr\u00ecnh t\u00e1ch d\u1ea7u-kh\u00ed v\u00e0 ng\u0103n ch\u1eb7n hi\u1ec7n t\u01b0\u1ee3ng l\u1eabn ch\u1ea5t l\u1ecfng.<\/p>\n

X\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i v\u00e0 h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c<\/h3>\n

Li\u1ec1u l\u01b0\u1ee3ng ch\u1ea5t kh\u1eed b\u1ecdt trong n\u01b0\u1edbc th\u1ea3i dao \u0111\u1ed9ng t\u1eeb 10 \u0111\u1ebfn 200 ppm, t\u00f9y thu\u1ed9c v\u00e0o m\u1ee9c \u0111\u1ed9 nghi\u00eam tr\u1ecdng c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng t\u1ea1o b\u1ecdt. Ch\u1ea5t kh\u1eed b\u1ecdt th\u1ee7y l\u1ef1c gi\u00fap ng\u0103n ng\u1eeba h\u01b0 h\u1ecfng do hi\u1ec7n t\u01b0\u1ee3ng x\u00e2m th\u1ef1c v\u00e0 duy tr\u00ec hi\u1ec7u su\u1ea5t h\u1ec7 th\u1ed1ng c\u0169ng nh\u01b0 tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn.<\/p>\n

K\u1ebft lu\u1eadn<\/h2>\n

Ch\u00fang ta \u0111\u00e3 t\u00ecm hi\u1ec3u c\u00e1ch c\u00e1c ch\u1ea5t kh\u1eed b\u1ecdt d\u1ea1ng l\u1ecfng ki\u1ec3m so\u00e1t b\u1ecdt th\u00f4ng qua ba c\u01a1 ch\u1ebf ch\u00ednh: l\u00e0m m\u1ea5t \u1ed5n \u0111\u1ecbnh c\u00e1c l\u1edbp m\u00e0ng b\u1ecdt, l\u00e0m v\u1ee1 c\u00e1c bong b\u00f3ng kh\u00ed v\u00e0 th\u00fac \u0111\u1ea9y qu\u00e1 tr\u00ecnh h\u1ee3p nh\u1ea5t bong b\u00f3ng. C\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a quy tr\u00ecnh s\u1ebd quy\u1ebft \u0111\u1ecbnh vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00f4ng th\u1ee9c d\u1ef1a tr\u00ean d\u1ea7u, d\u1ef1a tr\u00ean n\u01b0\u1edbc, silicone hay copolymer EO\/PO. C\u00e1c h\u1ee3p ch\u1ea5t n\u00e0y b\u1ea3o v\u1ec7 c\u00e1c thi\u1ebft b\u1ecb quan tr\u1ecdng trong c\u00e1c h\u1ec7 th\u1ed1ng chi\u1ebft xu\u1ea5t, c\u00e1c ho\u1ea1t \u0111\u1ed9ng gia c\u00f4ng kim lo\u1ea1i, nh\u00e0 m\u00e1y gi\u1ea5y v\u00e0 c\u00e1c c\u01a1 s\u1edf x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i. Vi\u1ec7c l\u1ef1a ch\u1ecdn v\u00e0 \u0111\u1ecbnh l\u01b0\u1ee3ng ch\u1ea5t kh\u1eed b\u1ecdt ph\u00f9 h\u1ee3p s\u1ebd ng\u0103n ng\u1eeba h\u01b0 h\u1ecfng thi\u1ebft b\u1ecb, v\u1ed1n c\u00f3 th\u1ec3 g\u00e2y t\u1ed1n k\u00e9m. \u0110i\u1ec1u n\u00e0y c\u0169ng c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t quy tr\u00ecnh v\u00e0 lo\u1ea1i b\u1ecf c\u00e1c t\u1ed5n th\u1ea5t s\u1ea3n xu\u1ea5t do b\u1ecdt kh\u00f4ng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t g\u00e2y ra.<\/p>","protected":false},"excerpt":{"rendered":"

Gi\u1ea3i th\u00edch v\u1ec1 ch\u1ea5t kh\u1eed b\u1ecdt d\u1ea1ng l\u1ecfng: C\u00e1ch th\u1ee9c ki\u1ec3m so\u00e1t b\u1ecdt trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p \u2013 Nh\u1eefng \u0111i\u1ec3m ch\u00ednh: Hi\u1ec3u r\u00f5 c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ch\u1ea5t kh\u1eed b\u1ecdt d\u1ea1ng l\u1ecfng c\u00f3 th\u1ec3 gi\u00fap c\u00e1c ho\u1ea1t \u0111\u1ed9ng c\u00f4ng nghi\u1ec7p c\u1ee7a b\u1ea1n tr\u00e1nh \u0111\u01b0\u1ee3c nh\u1eefng h\u01b0 h\u1ecfng thi\u1ebft b\u1ecb t\u1ed1n k\u00e9m v\u00e0 t\u1ed5n th\u1ea5t s\u1ea3n xu\u1ea5t do s\u1ef1 t\u00edch t\u1ee5 b\u1ecdt kh\u00f4ng ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c g\u00e2y ra. \u2022 Ch\u1ea5t kh\u1eed b\u1ecdt d\u1ea1ng l\u1ecfng s\u1eed d\u1ee5ng ba th\u00e0nh ph\u1ea7n ho\u1ea1t \u0111\u1ed9ng ph\u1ed1i h\u1ee3p v\u1edbi nhau: c\u00e1c ch\u1ea5t k\u1ef5 n\u01b0\u1edbc (nh\u01b0 silica ho\u1eb7c s\u00e1p), ch\u1ea5t mang (d\u1ea7u ho\u1eb7c n\u01b0\u1edbc) v\u00e0 m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf\u2026 Gi\u1ea3i th\u00edch v\u1ec1 ch\u1ea5t kh\u1eed b\u1ecdt d\u1ea1ng l\u1ecfng: C\u00e1ch th\u1ee9c ki\u1ec3m so\u00e1t b\u1ecdt trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"off","neve_meta_content_width":70,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"categories":[2],"tags":[],"class_list":["post-315","post","type-post","status-publish","format-standard","hentry","category-knowledge"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/antifoamingagent.net\/vi\/wp-json\/wp\/v2\/posts\/315","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/antifoamingagent.net\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/antifoamingagent.net\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/antifoamingagent.net\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/antifoamingagent.net\/vi\/wp-json\/wp\/v2\/comments?post=315"}],"version-history":[{"count":1,"href":"https:\/\/antifoamingagent.net\/vi\/wp-json\/wp\/v2\/posts\/315\/revisions"}],"predecessor-version":[{"id":316,"href":"https:\/\/antifoamingagent.net\/vi\/wp-json\/wp\/v2\/posts\/315\/revisions\/316"}],"wp:attachment":[{"href":"https:\/\/antifoamingagent.net\/vi\/wp-json\/wp\/v2\/media?parent=315"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/antifoamingagent.net\/vi\/wp-json\/wp\/v2\/categories?post=315"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/antifoamingagent.net\/vi\/wp-json\/wp\/v2\/tags?post=315"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}