{"id":1218,"date":"2026-03-20T14:22:51","date_gmt":"2026-03-20T06:22:51","guid":{"rendered":"https:\/\/www.daoanchemical.com\/?p=1218"},"modified":"2026-03-20T14:22:51","modified_gmt":"2026-03-20T06:22:51","slug":"what-is-active-zinc-oxide-nano-grade-and-its-applications","status":"publish","type":"post","link":"https:\/\/www.daoanchemical.com\/vi\/what-is-active-zinc-oxide-nano-grade-and-its-applications\/","title":{"rendered":"Active Zinc Oxide Nano Grade l\u00e0 g\u00ec v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3"},"content":{"rendered":"

K\u1ebdm oxit nano c\u1ea5p \u0111\u1ed9 ho\u1ea1t t\u00ednh<\/strong><\/a> \u0111\u1ea1i di\u1ec7n cho m\u1ed9t b\u01b0\u1edbc \u0111\u1ed9t ph\u00e1 trong khoa h\u1ecdc v\u1eadt li\u1ec7u, v\u1edbi k\u00edch th\u01b0\u1edbc h\u1ea1t d\u01b0\u1edbi 100nm, mang l\u1ea1i kh\u1ea3 n\u0103ng ph\u1ea3n \u1ee9ng cao h\u01a1n, kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 tia UV v\u00e0 t\u00ednh kh\u00e1ng khu\u1ea9n. C\u1ea9m nang th\u00f4ng tin n\u00e0y t\u00ecm hi\u1ec3u c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 b\u1ea3n, th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p c\u1ee7a oxit k\u1ebdm c\u1ea5p nano, cung c\u1ea5p cho c\u00e1c chuy\u00ean gia mua s\u1eafm v\u00e0 k\u1ef9 s\u01b0 nh\u1eefng th\u00f4ng tin quan tr\u1ecdng \u0111\u1ec3 l\u1ef1a ch\u1ecdn v\u00e0 t\u00edch h\u1ee3p v\u1eadt li\u1ec7u. Kh\u00e1c v\u1edbi b\u1ed9t oxit k\u1ebdm th\u00f4ng th\u01b0\u1eddng, c\u00e1c bi\u1ebfn th\u1ec3 c\u1ea5p nano th\u1ec3 hi\u1ec7n c\u00e1c hi\u1ec7u \u1ee9ng \u1edf quy m\u00f4 l\u01b0\u1ee3ng t\u1eed, gi\u00fap c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 hi\u1ec7u su\u1ea5t trong qu\u00e1 tr\u00ecnh l\u01b0u h\u00f3a cao su, c\u00f4ng th\u1ee9c m\u1ef9 ph\u1ea9m v\u00e0 c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n t\u1eed. Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c t\u00ednh ch\u1ea5t ti\u00ean ti\u1ebfn n\u00e0y cho ph\u00e9p c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t t\u1ed1i \u01b0u h\u00f3a c\u00f4ng th\u1ee9c s\u1ea3n ph\u1ea9m \u0111\u1ed3ng th\u1eddi \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u quy \u0111\u1ecbnh nghi\u00eam ng\u1eb7t tr\u00ean c\u00e1c th\u1ecb tr\u01b0\u1eddng to\u00e0n c\u1ea7u.<\/p>\n

C\u00f4ng ngh\u1ec7 oxit k\u1ebdm ho\u1ea1t t\u00ednh c\u1ea5p nano<\/span><\/h2>\n

\u0110\u1eb7c \u0111i\u1ec3m v\u1ec1 k\u00edch th\u01b0\u1edbc h\u1ea1t v\u00e0 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t<\/span><\/h3>\n

Vi\u1ec7c ph\u00e2n lo\u1ea1i Oxit k\u1ebdm ho\u1ea1t t\u00ednh c\u1ea5p nano d\u1ef1a tr\u00ean k\u00edch th\u01b0\u1edbc h\u1ea1t dao \u0111\u1ed9ng t\u1eeb 10 \u0111\u1ebfn 100 nanomet, \u0111\u01b0a c\u00e1c v\u1eadt li\u1ec7u n\u00e0y v\u00e0o ph\u1ea1m vi quy m\u00f4 nano, n\u01a1i c\u00e1c hi\u1ec7u \u1ee9ng c\u01a1 h\u1ecdc l\u01b0\u1ee3ng t\u1eed b\u1eaft \u0111\u1ea7u chi\u1ebfm \u01b0u th\u1ebf. Vi\u1ec7c gi\u1ea3m k\u00edch th\u01b0\u1edbc n\u00e0y t\u1ea1o ra s\u1ef1 gia t\u0103ng theo c\u1ea5p s\u1ed1 nh\u00e2n v\u1ec1 t\u1ef7 l\u1ec7 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t tr\u00ean th\u1ec3 t\u00edch \u2014 oxit k\u1ebdm nano th\u01b0\u1eddng c\u00f3 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang t\u1eeb 30-60 m\u00b2\/g so v\u1edbi 5-10 m\u00b2\/g \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i ti\u00eau chu\u1ea9n. S\u1ef1 bi\u1ebfn \u0111\u1ed5i h\u00ecnh h\u1ecdc n\u00e0y chuy\u1ec3n tr\u1ef1c ti\u1ebfp th\u00e0nh c\u00e1c l\u1ee3i th\u1ebf th\u01b0\u01a1ng m\u1ea1i: hi\u1ec7u qu\u1ea3 x\u00fac t\u00e1c cao h\u01a1n, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh ph\u00e2n t\u00e1n \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n v\u00e0 li\u00ean k\u1ebft b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng trong c\u00e1c v\u1eadt li\u1ec7u composite.<\/p>\n

Hi\u1ec7u \u1ee9ng giam c\u1ea7m l\u01b0\u1ee3ng t\u1eed xu\u1ea5t hi\u1ec7n khi k\u00edch th\u01b0\u1edbc h\u1ea1t ti\u1ec7m c\u1eadn b\u00e1n k\u00ednh Bohr c\u1ee7a exciton (kho\u1ea3ng 2,34 nm \u0111\u1ed1i v\u1edbi ZnO). M\u1eb7c d\u00f9 h\u1ea7u h\u1ebft c\u00e1c s\u1ea3n ph\u1ea9m nano th\u01b0\u01a1ng m\u1ea1i \u0111\u1ec1u v\u01b0\u1ee3t qu\u00e1 ng\u01b0\u1ee1ng n\u00e0y, c\u00e1c h\u1ea1t trong kho\u1ea3ng 10\u201330 nm v\u1eabn th\u1ec3 hi\u1ec7n s\u1ef1 d\u1ecbch chuy\u1ec3n v\u1ec1 ph\u00eda xanh trong h\u1ea5p th\u1ee5 quang h\u1ecdc v\u00e0 c\u1ea5u tr\u00fac d\u1ea3i n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n t\u1eed b\u1ecb bi\u1ebfn \u0111\u1ed5i. Nh\u1eefng t\u00ednh ch\u1ea5t n\u00e0y \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi kh\u1ea3 n\u0103ng l\u1ecdc tia UV ch\u00ednh x\u00e1c ho\u1eb7c ho\u1ea1t t\u00ednh quang x\u00fac t\u00e1c. N\u0103ng l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t t\u0103ng l\u00ean c\u0169ng l\u00e0m cho oxit k\u1ebdm nano tr\u1edf n\u00ean ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc m\u1ea1nh h\u01a1n \u2014 m\u1ed9t \u0111\u1eb7c t\u00ednh hai m\u1eb7t \u0111\u00f2i h\u1ecfi ph\u1ea3i x\u1eed l\u00fd b\u1ec1 m\u1eb7t c\u1ea9n th\u1eadn \u0111\u1ec3 ng\u0103n ch\u1eb7n s\u1ef1 k\u1ebft t\u1ee5 kh\u00f4ng mong mu\u1ed1n trong qu\u00e1 tr\u00ecnh b\u1ea3o qu\u1ea3n v\u00e0 ch\u1ebf bi\u1ebfn.<\/p>\n

C\u00e1c quy tr\u00ecnh s\u1ea3n xu\u1ea5t c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn h\u00ecnh th\u00e1i h\u1ea1t cu\u1ed1i c\u00f9ng. Ph\u01b0\u01a1ng ph\u00e1p nhi\u1ec7t ph\u00e2n phun ng\u1ecdn l\u1eeda t\u1ea1o ra c\u00e1c h\u1ea1t h\u00ecnh c\u1ea7u v\u1edbi ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1eb9p, trong khi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p k\u1ebft t\u1ee7a h\u00f3a h\u1ecdc \u01b0\u1edbt cho ra c\u00e1c c\u1ee5m h\u1ea1t h\u00ecnh que ho\u1eb7c h\u00ecnh hoa. \u0110\u1ed1i v\u1edbi c\u00e1c \u0111\u1ed9i ng\u0169 mua s\u1eafm, vi\u1ec7c hi\u1ec3u r\u00f5 nh\u1eefng kh\u00e1c bi\u1ec7t v\u1ec1 h\u00ecnh th\u00e1i n\u00e0y l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng: c\u00e1c h\u1ea1t h\u00ecnh c\u1ea7u mang l\u1ea1i t\u00ednh ch\u1ea5t ch\u1ea3y t\u1ed1t h\u01a1n trong c\u00e1c \u1ee9ng d\u1ee5ng s\u01a1n t\u0129nh \u0111i\u1ec7n, trong khi c\u00e1c c\u1ea5u tr\u00fac c\u00f3 t\u1ef7 l\u1ec7 khung cao gi\u00fap t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n cho ma tr\u1eadn polymer.<\/p>\n

Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc v\u00e0 c\u1ea5u tr\u00fac tinh th\u1ec3<\/span><\/h3>\n

Oxit k\u1ebdm ho\u1ea1t t\u00ednh c\u1ea5p nano duy tr\u00ec c\u1ea5u tr\u00fac tinh th\u1ec3 l\u1ee5c gi\u00e1c wurtzite \u0111\u1eb7c tr\u01b0ng c\u1ee7a ZnO d\u1ea1ng kh\u1ed1i, v\u1edbi c\u00e1c th\u00f4ng s\u1ed1 m\u1ea1ng tinh th\u1ec3 a = 3,25 \u00c5 v\u00e0 c = 5,21 \u00c5. C\u1ea5u tr\u00fac kh\u00f4ng \u0111\u1ed1i x\u1ee9ng t\u00e2m n\u00e0y t\u1ea1o ra c\u00e1c t\u00ednh ch\u1ea5t \u00e1p \u0111i\u1ec7n v\u00e0 nhi\u1ec7t \u0111i\u1ec7n v\u1ed1n c\u00f3, \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb c\u1ea3m bi\u1ebfn. C\u00e1c ti\u00eau chu\u1ea9n \u0111\u1ed9 tinh khi\u1ebft cho c\u00e1c lo\u1ea1i nano c\u00f4ng nghi\u1ec7p th\u01b0\u1eddng quy \u0111\u1ecbnh h\u00e0m l\u01b0\u1ee3ng ZnO t\u1ed1i thi\u1ec3u l\u00e0 99,5%, v\u1edbi c\u00e1c t\u1ea1p ch\u1ea5t d\u01b0 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t c\u1ea9n th\u1eadn \u0111\u1ec3 ng\u0103n ng\u1eeba s\u1ef1 suy gi\u1ea3m hi\u1ec7u su\u1ea5t. H\u00e0m l\u01b0\u1ee3ng ch\u00ec ph\u1ea3i duy tr\u00ec d\u01b0\u1edbi 10 ppm cho c\u00e1c \u1ee9ng d\u1ee5ng m\u1ef9 ph\u1ea9m, trong khi c\u00e1c v\u1eadt li\u1ec7u c\u1ea5p \u0111i\u1ec7n t\u1eed \u0111\u00f2i h\u1ecfi c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt th\u1eadm ch\u00ed c\u00f2n nghi\u00eam ng\u1eb7t h\u01a1n.<\/p>\n

Vi\u1ec7c pha t\u1ea1p chi\u1ebfn l\u01b0\u1ee3c bi\u1ebfn oxit k\u1ebdm c\u01a1 b\u1ea3n th\u00e0nh c\u00e1c bi\u1ebfn th\u1ec3 d\u00e0nh ri\u00eang cho t\u1eebng \u1ee9ng d\u1ee5ng. ZnO pha t\u1ea1p nh\u00f4m (AZO) th\u1ec3 hi\u1ec7n \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n cao h\u01a1n (10\u207b\u2074 \u0111\u1ebfn 10\u207b\u00b3 \u03a9\u00b7cm), ph\u00f9 h\u1ee3p cho c\u00e1c \u0111i\u1ec7n c\u1ef1c trong su\u1ed1t. Vi\u1ec7c pha t\u1ea1p mangan ho\u1eb7c coban mang l\u1ea1i c\u00e1c t\u00ednh ch\u1ea5t t\u1eeb t\u00ednh cho nghi\u00ean c\u1ee9u spintronics. \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1ng khu\u1ea9n, oxit k\u1ebdm nano pha t\u1ea1p b\u1ea1c k\u1ebft h\u1ee3p ho\u1ea1t t\u00ednh di\u1ec7t khu\u1ea9n v\u1ed1n c\u00f3 c\u1ee7a c\u1ea3 hai th\u00e0nh ph\u1ea7n, \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c gi\u00e1 tr\u1ecb gi\u1ea3m log v\u01b0\u1ee3t qu\u00e1 5 \u0111\u1ed1i v\u1edbi c\u00e1c m\u1ea7m b\u1ec7nh ph\u1ed5 bi\u1ebfn \u1edf n\u1ed3ng \u0111\u1ed9 d\u01b0\u1edbi 1% w\/w.<\/p>\n

Vi\u1ec7c x\u1eed l\u00fd b\u1ec1 m\u1eb7t l\u00e0 m\u1ed9t kh\u00eda c\u1ea1nh quan tr\u1ecdng kh\u00e1c trong c\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt. C\u00e1c b\u1ec1 m\u1eb7t oxit k\u1ebdm nano ch\u01b0a qua x\u1eed l\u00fd ch\u1ee9a c\u00e1c nh\u00f3m hydroxyl, g\u00f3p ph\u1ea7n l\u00e0m t\u0103ng kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 n\u01b0\u1edbc v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng k\u1ebft t\u1ee5 h\u1ea1t. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd k\u1ef5 n\u01b0\u1edbc s\u1eed d\u1ee5ng silan, axit stearic ho\u1eb7c ch\u1ea5t ph\u00e2n t\u00e1n polymer gi\u00fap c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c ma tr\u1eadn h\u1eefu c\u01a1. C\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt trong h\u1ee3p \u0111\u1ed3ng mua s\u1eafm c\u1ea7n quy \u0111\u1ecbnh r\u00f5 r\u00e0ng lo\u1ea1i h\u00ecnh x\u1eed l\u00fd b\u1ec1 m\u1eb7t, v\u00ec \u0111i\u1ec1u n\u00e0y \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a h\u1ed7n h\u1ee3p ph\u00e2n t\u00e1n, \u0111\u1ed9 trong su\u1ed1t quang h\u1ecdc v\u00e0 t\u00ednh ch\u1ea5t x\u1eed l\u00fd trong c\u00e1c \u1ee9ng d\u1ee5ng cu\u1ed1i c\u00f9ng.<\/p>\n

\"Active<\/p>\n

C\u00e1c \u0111\u1eb7c t\u00ednh k\u1ef9 thu\u1eadt ch\u00ednh v\u00e0 ch\u1ec9 s\u1ed1 hi\u1ec7u su\u1ea5t<\/span><\/h2>\n

Kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 \u00e1nh s\u00e1ng v\u00e0 tia UV<\/span><\/h3>\n

N\u0103ng l\u01b0\u1ee3ng khe n\u0103ng l\u01b0\u1ee3ng tr\u1ef1c ti\u1ebfp l\u00e0 3,37 eV gi\u00fap oxit k\u1ebdm tr\u1edf th\u00e0nh m\u1ed9t ch\u1ea5t h\u1ea5p th\u1ee5 tia UV v\u01b0\u1ee3t tr\u1ed9i, v\u1edbi hi\u1ec7u su\u1ea5t h\u1ea5p th\u1ee5 t\u1ed1i \u0111a \u0111\u1ea1t \u0111\u01b0\u1ee3c \u1edf b\u01b0\u1edbc s\u00f3ng 368 nm. C\u00e1c v\u1eadt li\u1ec7u c\u1ea5p nano th\u1ec3 hi\u1ec7n hi\u1ec7u su\u1ea5t ch\u1eb7n tia UV v\u01b0\u1ee3t tr\u1ed9i trong c\u00e1c d\u1ea3i t\u1ea7n s\u1ed1 quan tr\u1ecdng l\u00e0 UVA (315-400 nm) v\u00e0 UVB (280-315 nm), \u0111\u1ed3ng th\u1eddi v\u1eabn duy tr\u00ec \u0111\u1ed9 trong su\u1ed1t trong quang ph\u1ed5 nh\u00ecn th\u1ea5y (400-700 nm). \u0110\u1eb7c t\u00ednh ch\u1ecdn l\u1ecdc quang h\u1ecdc n\u00e0y khi\u1ebfn Active Zinc Oxide Nano Grade tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn \u01b0u ti\u00ean cho c\u00e1c c\u00f4ng th\u1ee9c kem ch\u1ed1ng n\u1eafng ph\u1ed5 r\u1ed9ng, n\u01a1i c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c ch\u1ec9 s\u1ed1 SPF t\u1eeb 30-50 \u1edf m\u1ee9c n\u1ed3ng \u0111\u1ed9 15-25% w\/w.<\/p>\n

K\u00edch th\u01b0\u1edbc h\u1ea1t c\u00f3 \u1ea3nh h\u01b0\u1edfng quy\u1ebft \u0111\u1ecbnh \u0111\u1ebfn hi\u1ec7u su\u1ea5t quang h\u1ecdc th\u00f4ng qua c\u00e1c c\u01a1 ch\u1ebf t\u00e1n x\u1ea1 \u00e1nh s\u00e1ng. C\u00e1c v\u1eadt li\u1ec7u trong kho\u1ea3ng 30\u201350 nm gi\u00fap gi\u1ea3m thi\u1ec3u hi\u1ec7n t\u01b0\u1ee3ng t\u00e1n x\u1ea1 \u00e1nh s\u00e1ng kh\u1ea3 ki\u1ebfn \u0111\u1ed3ng th\u1eddi t\u1ed1i \u0111a h\u00f3a kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 tia UV \u2014 m\u1ed9t s\u1ef1 c\u00e2n b\u1eb1ng thi\u1ebft y\u1ebfu cho c\u00e1c c\u00f4ng th\u1ee9c m\u1ef9 ph\u1ea9m tinh t\u1ebf. C\u00e1c h\u1ea1t l\u1edbn h\u01a1n (80-100 nm) mang l\u1ea1i \u0111\u1ed9 che ph\u1ee7 t\u1ed1t h\u01a1n nh\u01b0ng c\u00f3 th\u1ec3 g\u00e2y ra hi\u1ec7u \u1ee9ng l\u00e0m tr\u1eafng da, \u0111i\u1ec1u kh\u00f4ng mong mu\u1ed1n trong c\u00e1c s\u1ea3n ph\u1ea9m ch\u0103m s\u00f3c c\u00e1 nh\u00e2n. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd b\u1ec1 m\u1eb7t ti\u00ean ti\u1ebfn s\u1eed d\u1ee5ng l\u1edbp ph\u1ee7 nh\u00f4m oxit ho\u1eb7c silica gi\u00fap t\u1ed1i \u01b0u h\u00f3a h\u01a1n n\u1eefa s\u1ef1 ph\u00f9 h\u1ee3p c\u1ee7a ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1, gi\u1ea3m \u0111\u1ed9 \u0111\u1ee5c c\u1ee7a \u00e1nh s\u00e1ng nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c t\u1eeb 20-30% m\u00e0 kh\u00f4ng l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 kh\u1ecfi tia UV.<\/p>\n

K\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh quang h\u1ecdc cho th\u1ea5y oxit k\u1ebdm nano v\u1eabn duy tr\u00ec \u0111\u01b0\u1ee3c \u0111\u1eb7c t\u00ednh h\u1ea5p th\u1ee5 sau h\u01a1n 500 gi\u1edd ti\u1ebfp x\u00fac v\u1edbi tia UV trong \u0111i\u1ec1u ki\u1ec7n gia t\u1ed1c, v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi c\u00e1c ch\u1ea5t l\u1ecdc tia UV h\u1eefu c\u01a1 v\u1ed1n b\u1ecb ph\u00e2n h\u1ee7y trong \u0111i\u1ec1u ki\u1ec7n t\u01b0\u01a1ng t\u1ef1. \u0110\u1ed9 b\u1ec1n n\u00e0y gi\u00fap k\u00e9o d\u00e0i th\u1eddi h\u1ea1n s\u1eed d\u1ee5ng c\u1ee7a s\u1ea3n ph\u1ea9m v\u00e0 duy tr\u00ec kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 trong c\u00e1c \u1ee9ng d\u1ee5ng s\u01a1n ph\u1ee7 ngo\u00e0i tr\u1eddi, n\u01a1i kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft quy\u1ebft \u0111\u1ecbnh hi\u1ec7u su\u1ea5t l\u00e2u d\u00e0i.<\/p>\n

Ho\u1ea1t t\u00ednh kh\u00e1ng khu\u1ea9n v\u00e0 x\u00fac t\u00e1c<\/span><\/h3>\n

C\u01a1 ch\u1ebf kh\u00e1ng khu\u1ea9n c\u1ee7a Active Zinc Oxide Nano Grade ho\u1ea1t \u0111\u1ed9ng th\u00f4ng qua nhi\u1ec1u c\u01a1 ch\u1ebf: t\u1ea1o ra c\u00e1c g\u1ed1c oxy ph\u1ea3n \u1ee9ng (ROS), gi\u1ea3i ph\u00f3ng ion k\u1ebdm v\u00e0 ph\u00e1 v\u1ee1 tr\u1ef1c ti\u1ebfp m\u00e0ng t\u1ebf b\u00e0o. Trong \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng xung quanh ho\u1eb7c khi \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t b\u1edfi tia UV, c\u00e1c khuy\u1ebft t\u1eadt b\u1ec1 m\u1eb7t v\u00e0 l\u1ed7 tr\u1ed1ng oxy x\u00fac t\u00e1c cho s\u1ef1 h\u00ecnh th\u00e0nh c\u00e1c g\u1ed1c hydroxyl (\u2022OH), anion superoxide (O\u2082\u207b) v\u00e0 hydrogen peroxide (H\u2082O\u2082). C\u00e1c ch\u1ea5t oxy h\u00f3a n\u00e0y t\u1ea5n c\u00f4ng m\u00e0ng t\u1ebf b\u00e0o vi khu\u1ea9n, l\u00e0m bi\u1ebfn t\u00ednh protein v\u00e0 ph\u00e1 h\u1ee7y c\u1ea5u tr\u00fac DNA. C\u00e1c th\u1eed nghi\u1ec7m \u0111\u1ed9c l\u1eadp ch\u1ee9ng minh kh\u1ea3 n\u0103ng gi\u1ea3m 99,91% Escherichia coli<\/em> v\u00e0 T\u1ee5 c\u1ea7u v\u00e0ng<\/em> c\u00e1c qu\u1ea7n th\u1ec3 trong v\u00f2ng 2\u20134 gi\u1edd \u1edf n\u1ed3ng \u0111\u1ed9 th\u1ea5p t\u1edbi 0,5 mg\/mL.<\/p>\n

Qu\u00e1 tr\u00ecnh ph\u00e2n h\u1ee7y c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m h\u1eefu c\u01a1 b\u1eb1ng x\u00fac t\u00e1c quang h\u1ecdc mang l\u1ea1i m\u1ed9t l\u1ee3i th\u1ebf th\u01b0\u01a1ng m\u1ea1i kh\u00e1c. Oxit k\u1ebdm nano ph\u00e2n h\u1ee7y hi\u1ec7u qu\u1ea3 c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 d\u1ec5 bay h\u01a1i (VOC), thu\u1ed1c nhu\u1ed9m d\u1ec7t may v\u00e0 d\u01b0 l\u01b0\u1ee3ng d\u01b0\u1ee3c ph\u1ea9m d\u01b0\u1edbi s\u1ef1 chi\u1ebfu x\u1ea1 c\u1ee7a tia UV ho\u1eb7c \u00e1nh s\u00e1ng kh\u1ea3 ki\u1ebfn. T\u1ed1c \u0111\u1ed9 ph\u00e2n h\u1ee7y c\u1ee7a methylene blue\u2014m\u1ed9t ph\u00e2n t\u1eed th\u1eed nghi\u1ec7m ti\u00eau chu\u1ea9n\u2014v\u01b0\u1ee3t qu\u00e1 90% trong v\u00f2ng 120 ph\u00fat v\u1edbi n\u1ed3ng \u0111\u1ed9 ch\u1ea5t x\u00fac t\u00e1c l\u00e0 1 g\/L. T\u00ednh ch\u1ea5t n\u00e0y \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong c\u00e1c l\u1edbp ph\u1ee7 t\u1ef1 l\u00e0m s\u1ea1ch, h\u1ec7 th\u1ed1ng x\u1eed l\u00fd n\u01b0\u1edbc v\u00e0 c\u00f4ng ngh\u1ec7 l\u1ecdc kh\u00f4ng kh\u00ed.<\/p>\n

Ho\u1ea1t t\u00ednh x\u00fac t\u00e1c c\u00f3 m\u1ed1i t\u01b0\u01a1ng quan tr\u1ef1c ti\u1ebfp v\u1edbi di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang v\u00e0 m\u1eadt \u0111\u1ed9 khuy\u1ebft t\u1eadt. C\u00e1c v\u1eadt li\u1ec7u c\u00f3 n\u1ed3ng \u0111\u1ed9 l\u1ed7 tr\u1ed1ng oxy cao h\u01a1n cho th\u1ea5y kh\u1ea3 n\u0103ng t\u1ea1o ra c\u00e1c g\u1ed1c t\u1ef1 do (ROS) m\u1ea1nh h\u01a1n nh\u01b0ng c\u00f3 th\u1ec3 k\u00e9m \u1ed5n \u0111\u1ecbnh h\u01a1n trong m\u00f4i tr\u01b0\u1eddng axit. C\u00e1c nh\u00f3m mua s\u1eafm ph\u1ea3i c\u00e2n b\u1eb1ng gi\u1eefa c\u00e1c y\u00eau c\u1ea7u v\u1ec1 ho\u1ea1t t\u00ednh v\u1edbi \u0111i\u1ec1u ki\u1ec7n pH c\u1ee5 th\u1ec3 c\u1ee7a \u1ee9ng d\u1ee5ng v\u00e0 tu\u1ed5i th\u1ecd d\u1ef1 ki\u1ebfn.<\/p>\n

[B\u1ea3ng so s\u00e1nh: So s\u00e1nh c\u00e1c t\u00ednh ch\u1ea5t gi\u1eefa Nano ZnO v\u00e0 ZnO ti\u00eau chu\u1ea9n]<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n
K\u00edch th\u01b0\u1edbc b\u1ea5t \u0111\u1ed9ng s\u1ea3n<\/th>\nNano ZnO (30\u201350 nm)<\/th>\nZnO ti\u00eau chu\u1ea9n (200\u2013500 nm)<\/th>\nL\u1ee3i th\u1ebf v\u1ec1 hi\u1ec7u su\u1ea5t<\/th>\n<\/tr>\n<\/thead>\n
Di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang<\/td>\n40\u201360 m\u00b2\/g<\/td>\n5\u201310 m\u00b2\/g<\/td>\nt\u0103ng g\u1ea5p 5-8 l\u1ea7n<\/td>\n<\/tr>\n
H\u1ea5p th\u1ee5 tia UV (360 nm)<\/td>\n95-98%<\/td>\n75-85%<\/td>\nHi\u1ec7u su\u1ea5t +15-20%<\/td>\n<\/tr>\n
Hi\u1ec7u qu\u1ea3 kh\u00e1ng khu\u1ea9n<\/td>\n99,91 TP3T trong 2 gi\u1edd<\/td>\n90-95% trong 6 gi\u1edd<\/td>\nT\u1ed1c \u0111\u1ed9 ti\u00eau di\u1ec7t nhanh g\u1ea5p 3 l\u1ea7n<\/td>\n<\/tr>\n
Ho\u1ea1t t\u00ednh x\u00fac t\u00e1c<\/td>\nS\u1ef1 ph\u00e2n h\u1ee7y c\u1ee7a 90% trong 2 gi\u1edd<\/td>\nPh\u00e2n h\u1ee7y 60%\/2 gi\u1edd<\/td>\nC\u1ea3i ti\u1ebfn 50%<\/td>\n<\/tr>\n
\u0110\u1ed9 trong su\u1ed1t (c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y)<\/td>\n>85% \u1edf m\u1ee9c t\u1ea3i 20%<\/td>\n<60% khi t\u1ea3i 20%<\/td>\n\u0110\u1ed9 r\u00f5 n\u00e9t v\u01b0\u1ee3t tr\u1ed9i<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

\u1ee8ng d\u1ee5ng c\u00f4ng nghi\u1ec7p trong c\u00e1c l\u0129nh v\u1ef1c<\/span><\/h2>\n

Ng\u00e0nh c\u00f4ng nghi\u1ec7p cao su v\u00e0 nh\u1ef1a<\/span><\/h3>\n

Trong qu\u00e1 tr\u00ecnh pha ch\u1ebf cao su, Oxit k\u1ebdm ho\u1ea1t t\u00ednh c\u1ea5p nano \u0111\u00f3ng vai tr\u00f2 l\u00e0 ch\u1ea5t k\u00edch ho\u1ea1t l\u01b0u h\u00f3a quan tr\u1ecdng, t\u1ea1o th\u00e0nh c\u00e1c ph\u1ee9c h\u1ee3p k\u1ebdm-ch\u1ea5t x\u00fac t\u00e1c gi\u00fap x\u00fac t\u00e1c c\u00e1c ph\u1ea3n \u1ee9ng li\u00ean k\u1ebft ch\u00e9o l\u01b0u hu\u1ef3nh. K\u00edch th\u01b0\u1edbc h\u1ea1t \u1edf c\u1ea5p \u0111\u1ed9 nano cho ph\u00e9p ph\u00e2n t\u00e1n hi\u1ec7u qu\u1ea3 h\u01a1n trong to\u00e0n b\u1ed9 ma tr\u1eadn elastomer, gi\u1ea3m li\u1ec1u l\u01b0\u1ee3ng c\u1ea7n thi\u1ebft t\u1eeb 5 phr (ph\u1ea7n tr\u00ean 100 ph\u1ea7n cao su) th\u00f4ng th\u01b0\u1eddng xu\u1ed1ng c\u00f2n 3-4 phr trong khi v\u1eabn duy tr\u00ec t\u1ed1c \u0111\u1ed9 l\u01b0u h\u00f3a t\u01b0\u01a1ng \u0111\u01b0\u01a1ng ho\u1eb7c cao h\u01a1n. Vi\u1ec7c gi\u1ea3m li\u1ec1u l\u01b0\u1ee3ng n\u00e0y tr\u1ef1c ti\u1ebfp l\u00e0m gi\u1ea3m chi ph\u00ed nguy\u00ean li\u1ec7u v\u00e0 gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng c\u1ee7a k\u1ebdm \u2014 m\u1ed9t v\u1ea5n \u0111\u1ec1 ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c quan t\u00e2m v\u1ec1 m\u1eb7t quy \u0111\u1ecbnh trong s\u1ea3n xu\u1ea5t \u00f4 t\u00f4 v\u00e0 h\u00e0ng ti\u00eau d\u00f9ng.<\/p>\n

Vi\u1ec7c n\u00e2ng cao \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t l\u00e0 m\u1ed9t l\u1ee3i \u00edch quan tr\u1ecdng kh\u00e1c. C\u00e1c h\u1ea1t oxit k\u1ebdm nano \u0111\u00f3ng vai tr\u00f2 nh\u01b0 b\u1ed9 t\u1ea3n nhi\u1ec7t v\u00e0 ch\u1ea5t kh\u1eed g\u1ed1c t\u1ef1 do, gi\u00fap m\u1edf r\u1ed9ng d\u1ea3i nhi\u1ec7t \u0111\u1ed9 l\u00e0m vi\u1ec7c c\u1ee7a cao su l\u01b0u h\u00f3a th\u00eam 15\u201320\u00b0C. \u0110\u1eb7c t\u00ednh n\u00e0y t\u1ecf ra v\u00f4 c\u00f9ng quan tr\u1ecdng trong c\u00e1c \u1ee9ng d\u1ee5ng hi\u1ec7u su\u1ea5t cao nh\u01b0 l\u1edbp l\u00f3t b\u00ean trong l\u1ed1p xe, b\u0103ng t\u1ea3i c\u00f4ng nghi\u1ec7p v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn l\u00e0m k\u00edn trong ng\u00e0nh h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, n\u01a1i qu\u00e1 tr\u00ecnh ph\u00e2n h\u1ee7y nhi\u1ec7t l\u00e0m gi\u1ea3m tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn.<\/p>\n

C\u00e1c \u01b0u \u0111i\u1ec3m trong qu\u00e1 tr\u00ecnh ch\u1ebf bi\u1ebfn bao g\u1ed3m c\u1ea3i thi\u1ec7n t\u00ednh ch\u1ea5t l\u01b0u \u0111\u1ed9ng trong qu\u00e1 tr\u00ecnh tr\u1ed9n v\u00e0 gi\u1ea3m s\u1ef1 bi\u1ebfn \u0111\u1ed9ng v\u1ec1 th\u1eddi gian ch\u00e1y x\u00e9m. N\u0103ng l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t cao c\u1ee7a c\u00e1c h\u1ea1t nano gi\u00fap d\u1ea7u v\u00e0 ch\u1ea5t x\u00fac t\u00e1c th\u1ea5m \u01b0\u1edbt nhanh h\u01a1n, t\u1eeb \u0111\u00f3 r\u00fat ng\u1eafn chu k\u1ef3 tr\u1ed9n t\u1eeb 10\u201315% so v\u1edbi tr\u01b0\u1edbc \u0111\u00e2y. Tuy nhi\u00ean, c\u1ea7n ph\u1ea3i \u0111\u1eb7c bi\u1ec7t ch\u00fa \u00fd \u0111\u1ebfn ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00e1n \u2014 vi\u1ec7c tr\u1ed9n v\u1edbi l\u1ef1c c\u1eaft cao ho\u1eb7c ph\u00e2n t\u00e1n tr\u01b0\u1edbc h\u1ed7n h\u1ee3p ch\u1ee7 (masterbatch) s\u1ebd ng\u0103n ch\u1eb7n hi\u1ec7n t\u01b0\u1ee3ng k\u1ebft t\u1ee5, v\u1ed1n c\u00f3 th\u1ec3 l\u00e0m m\u1ea5t \u0111i nh\u1eefng l\u1ee3i th\u1ebf v\u1ec1 k\u00edch th\u01b0\u1edbc h\u1ea1t.<\/p>\n

Ch\u1ea5t ph\u1ee7 v\u00e0 m\u1ef9 ph\u1ea9m<\/span><\/h3>\n

C\u00e1c c\u00f4ng th\u1ee9c kem ch\u1ed1ng n\u1eafng c\u00f3 t\u00e1c d\u1ee5ng ch\u1ed1ng tia UV chi\u1ebfm th\u1ecb ph\u1ea7n l\u1edbn nh\u1ea5t trong th\u1ecb tr\u01b0\u1eddng th\u01b0\u01a1ng m\u1ea1i d\u00e0nh cho oxit k\u1ebdm nano d\u00f9ng trong m\u1ef9 ph\u1ea9m. C\u00e1c ph\u00ea duy\u1ec7t quy \u0111\u1ecbnh t\u1eeb C\u1ee5c Qu\u1ea3n l\u00fd Th\u1ef1c ph\u1ea9m v\u00e0 D\u01b0\u1ee3c ph\u1ea9m Hoa K\u1ef3 (FDA), \u1ee6y ban Ch\u00e2u \u00c2u (EU) v\u00e0 c\u00e1c c\u01a1 quan qu\u1ea3n l\u00fd to\u00e0n c\u1ea7u kh\u00e1c cho ph\u00e9p n\u1ed3ng \u0111\u1ed9 l\u00ean \u0111\u1ebfn 25% trong c\u00e1c s\u1ea3n ph\u1ea9m kh\u00f4ng c\u1ea7n r\u1eeda l\u1ea1i. S\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa kh\u1ea3 n\u0103ng ch\u1eb7n tia UV ph\u1ed5 r\u1ed9ng, t\u00ednh \u1ed5n \u0111\u1ecbnh d\u01b0\u1edbi \u00e1nh s\u00e1ng v\u00e0 \u0111\u1eb7c t\u00ednh kh\u00f4ng g\u00e2y k\u00edch \u1ee9ng khi\u1ebfn oxit k\u1ebdm nano tr\u1edf n\u00ean ph\u00f9 h\u1ee3p cho c\u00e1c c\u00f4ng th\u1ee9c d\u00e0nh cho da nh\u1ea1y c\u1ea3m v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m d\u00e0nh cho tr\u1ebb em, n\u01a1i c\u00e1c ch\u1ea5t l\u1ecdc h\u00f3a h\u1ecdc \u0111ang ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi s\u1ef1 gi\u00e1m s\u00e1t ng\u00e0y c\u00e0ng ch\u1eb7t ch\u1ebd.<\/p>\n

C\u00e1c h\u1ec7 th\u1ed1ng s\u01a1n kh\u00e1ng khu\u1ea9n c\u00f3 ch\u1ee9a oxit k\u1ebdm nano duy tr\u00ec ho\u1ea1t t\u00ednh di\u1ec7t khu\u1ea9n m\u00e0 kh\u00f4ng gi\u1ea3i ph\u00f3ng c\u00e1c h\u1ee3p ch\u1ea5t \u0111\u1ed9c h\u1ea1i. C\u00e1c l\u1edbp s\u01a1n n\u1ed9i th\u1ea5t d\u00f9ng cho c\u01a1 s\u1edf y t\u1ebf, nh\u00e0 m\u00e1y ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m v\u00e0 ph\u01b0\u01a1ng ti\u1ec7n giao th\u00f4ng c\u00f4ng c\u1ed9ng cho th\u1ea5y kh\u1ea3 n\u0103ng gi\u1ea3m 99,1% m\u1ee9c \u0111\u1ed9 nhi\u1ec5m khu\u1ea9n b\u1ec1 m\u1eb7t trong su\u1ed1t th\u1eddi gian s\u1eed d\u1ee5ng 24 th\u00e1ng. Hi\u1ec7u \u1ee9ng t\u1ef1 l\u00e0m s\u1ea1ch nh\u1edd quang x\u00fac t\u00e1c c\u00f2n gi\u00fap gi\u1ea3m thi\u1ec3u nhu c\u1ea7u b\u1ea3o tr\u00ec trong c\u00e1c \u1ee9ng d\u1ee5ng ki\u1ebfn tr\u00fac ngo\u1ea1i th\u1ea5t, khi b\u1ee5i b\u1ea9n v\u00e0 v\u1ebft b\u1ea9n h\u1eefu c\u01a1 b\u1ecb ph\u00e2n h\u1ee7y d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi t\u1ef1 nhi\u00ean.<\/p>\n

C\u00e1c m\u00e0ng d\u1eabn \u0111i\u1ec7n trong su\u1ed1t d\u00f9ng cho m\u00e0n h\u00ecnh c\u1ea3m \u1ee9ng v\u00e0 \u1ee9ng d\u1ee5ng quang \u0111i\u1ec7n t\u1eadn d\u1ee5ng c\u00e1c t\u00ednh ch\u1ea5t \u0111i\u1ec7n c\u1ee7a oxit k\u1ebdm nano \u0111\u01b0\u1ee3c pha t\u1ea1p. C\u00e1c bi\u1ebfn th\u1ec3 \u0111\u01b0\u1ee3c pha t\u1ea1p nh\u00f4m \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec7n tr\u1edf b\u1ec1 m\u1eb7t d\u01b0\u1edbi 100 \u03a9\/sq \u0111\u1ed3ng th\u1eddi duy tr\u00ec \u0111\u1ed9 truy\u1ec1n s\u00e1ng trong d\u1ea3i \u00e1nh s\u00e1ng kh\u1ea3 ki\u1ebfn >85% \u2014 hi\u1ec7u su\u1ea5t c\u1ea1nh tranh v\u1edbi oxit indi-thi\u1ebfc nh\u01b0ng v\u1edbi chi ph\u00ed v\u1eadt li\u1ec7u th\u1ea5p h\u01a1n \u0111\u00e1ng k\u1ec3. Qu\u00e1 tr\u00ecnh l\u1eafng \u0111\u1ecdng b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p pyrolysis phun ho\u1eb7c ph\u00fan x\u1ea1 t\u1ea1o ra c\u00e1c l\u1edbp ph\u1ee7 b\u00e1m s\u00e1t b\u1ec1 m\u1eb7t, ph\u00f9 h\u1ee3p cho c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed linh ho\u1ea1t v\u00e0 c\u00e1c c\u1ea5u tr\u00fac m\u00e0n h\u00ecnh cong.<\/p>\n

\u0110i\u1ec7n t\u1eed v\u00e0 L\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng<\/span><\/h3>\n

C\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a varistor t\u1eadn d\u1ee5ng \u0111\u1eb7c t\u00ednh d\u00f2ng \u0111i\u1ec7n-\u0111i\u1ec7n \u00e1p phi tuy\u1ebfn t\u00ednh t\u1ea1i c\u00e1c ranh gi\u1edbi h\u1ea1t c\u1ee7a oxit k\u1ebdm. Nguy\u00ean li\u1ec7u ban \u0111\u1ea7u \u1edf c\u1ea5p \u0111\u1ed9 nano cho ph\u00e9p nung k\u1ebft c\u00e1c c\u1ea5u tr\u00fac vi h\u1ea1t m\u1ecbn, mang l\u1ea1i \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u cao h\u01a1n v\u1ec1 \u0111i\u1ec7n \u00e1p ph\u00e1 v\u1ee1 v\u00e0 th\u1eddi gian ph\u1ea3n \u1ee9ng nhanh h\u01a1n. C\u00e1c thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1eeb oxit k\u1ebdm nano cho th\u1ea5y \u0111i\u1ec7n \u00e1p k\u1eb9p n\u1eb1m trong d\u1ea3i dung sai \u00b15%, so v\u1edbi \u00b110\u201315% c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u truy\u1ec1n th\u1ed1ng \u2014 \u0111\u00e2y l\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c quan tr\u1ecdng \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u00e1c m\u1ea1ch b\u00e1n d\u1eabn nh\u1ea1y c\u1ea3m.<\/p>\n

C\u00e1c \u0111i\u1ec7n c\u1ef1c d\u01b0\u01a1ng c\u1ee7a pin lithium-ion s\u1eed d\u1ee5ng oxit k\u1ebdm nano cho th\u1ea5y dung l\u01b0\u1ee3ng l\u00fd thuy\u1ebft l\u00e0 987 mAh\/g \u2014 g\u1ea5p g\u1ea7n ba l\u1ea7n so v\u1edbi than ch\u00ec truy\u1ec1n th\u1ed1ng. C\u01a1 ch\u1ebf ph\u1ea3n \u1ee9ng chuy\u1ec3n h\u00f3a (ZnO + 2Li\u207a + 2e\u207b \u2192 Zn + Li\u2082O) mang l\u1ea1i m\u1eadt \u0111\u1ed9 n\u0103ng l\u01b0\u1ee3ng cao, trong khi c\u1ea5u tr\u00fac quy m\u00f4 nano gi\u00fap th\u00edch \u1ee9ng v\u1edbi s\u1ef1 gi\u00e3n n\u1edf th\u1ec3 t\u00edch trong qu\u00e1 tr\u00ecnh s\u1ea1c x\u1ea3. Vi\u1ec7c \u1ee9ng d\u1ee5ng th\u01b0\u01a1ng m\u1ea1i g\u1eb7p ph\u1ea3i nh\u1eefng th\u00e1ch th\u1ee9c li\u00ean quan \u0111\u1ebfn t\u00ednh kh\u00f4ng h\u1ed3i ph\u1ee5c trong chu k\u1ef3 \u0111\u1ea7u ti\u00ean v\u00e0 s\u1ef1 suy gi\u1ea3m dung l\u01b0\u1ee3ng l\u00e2u d\u00e0i, nh\u01b0ng c\u00e1c nghi\u00ean c\u1ee9u \u0111ang di\u1ec5n ra v\u1ec1 c\u00e1c c\u1ea5u tr\u00fac ph\u1ee7 carbon v\u00e0 c\u1ea5u tr\u00fac ph\u00e2n c\u1ea5p cho th\u1ea5y nh\u1eefng k\u1ebft qu\u1ea3 \u0111\u1ea7y h\u1ee9a h\u1eb9n cho th\u1ebf h\u1ec7 l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng ti\u1ebfp theo.<\/p>\n

C\u00e1c c\u1ea3m bi\u1ebfn \u00e1p \u0111i\u1ec7n v\u00e0 m\u00e1y ph\u00e1t \u0111i\u1ec7n nano t\u1eadn d\u1ee5ng hi\u1ec7n t\u01b0\u1ee3ng ph\u00e2n c\u1ef1c \u0111i\u1ec7n t\u00edch v\u1ed1n c\u00f3 c\u1ee7a c\u1ea5u tr\u00fac tinh th\u1ec3 wurtzite khi ch\u1ecbu t\u00e1c \u0111\u1ed9ng c\u01a1 h\u1ecdc. C\u00e1c m\u1ea3ng oxit k\u1ebdm nano \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o th\u00f4ng qua ph\u01b0\u01a1ng ph\u00e1p t\u0103ng tr\u01b0\u1edfng th\u1ee7y nhi\u1ec7t ho\u1eb7c \u0111i\u1ec7n quay t\u1ea1o ra \u0111i\u1ec7n \u00e1p \u0111\u1ea7u ra t\u1eeb 1 \u0111\u1ebfn 10 V khi ch\u1ecbu t\u1ea3i \u0111\u1ed9ng, \u0111\u1ee7 \u0111\u1ec3 cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho c\u00e1c m\u1ea1ng c\u1ea3m bi\u1ebfn kh\u00f4ng d\u00e2y t\u1ef1 c\u1ea5p ngu\u1ed3n v\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed \u0111eo \u0111\u01b0\u1ee3c. Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch sinh h\u1ecdc c\u1ee7a oxit k\u1ebdm c\u00f2n cho ph\u00e9p ph\u00e1t tri\u1ec3n c\u00e1c thi\u1ebft b\u1ecb y t\u1ebf c\u1ea5y gh\u00e9p c\u00f3 kh\u1ea3 n\u0103ng thu th\u1eadp n\u0103ng l\u01b0\u1ee3ng t\u1eeb chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a c\u01a1 th\u1ec3.<\/p>\n

\n

Tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh v\u00e0 c\u00e1c ti\u00eau chu\u1ea9n an to\u00e0n<\/span><\/h2>\n

C\u00e1c ch\u1ee9ng nh\u1eadn ch\u1ea5t l\u01b0\u1ee3ng qu\u1ed1c t\u1ebf<\/span><\/h3>\n

C\u00e1c v\u1eadt li\u1ec7u oxit k\u1ebdm ho\u1ea1t t\u00ednh c\u1ea5p nano d\u00e0nh cho th\u1ecb tr\u01b0\u1eddng th\u01b0\u01a1ng m\u1ea1i ph\u1ea3i tu\u00e2n th\u1ee7 c\u00e1c khung ph\u00e1p l\u00fd ph\u1ee9c t\u1ea1p, v\u1ed1n thay \u0111\u1ed5i t\u00f9y theo \u1ee9ng d\u1ee5ng v\u00e0 khu v\u1ef1c \u0111\u1ecba l\u00fd. Ch\u1ee9ng nh\u1eadn ISO 9001:2015 cung c\u1ea5p c\u01a1 s\u1edf \u0111\u1ea3m b\u1ea3o qu\u1ea3n l\u00fd ch\u1ea5t l\u01b0\u1ee3ng, nh\u01b0ng c\u00e1c quy \u0111\u1ecbnh ri\u00eang v\u1ec1 c\u00f4ng ngh\u1ec7 nano l\u1ea1i \u0111\u1eb7t ra nh\u1eefng y\u00eau c\u1ea7u b\u1ed5 sung. Quy \u0111\u1ecbnh REACH (\u0110\u0103ng k\u00fd, \u0110\u00e1nh gi\u00e1, C\u1ea5p ph\u00e9p v\u00e0 H\u1ea1n ch\u1ebf H\u00f3a ch\u1ea5t) c\u1ee7a Li\u00ean minh Ch\u00e2u \u00c2u b\u1eaft bu\u1ed9c ph\u1ea3i \u0111\u0103ng k\u00fd ri\u00eang \u0111\u1ed1i v\u1edbi c\u00e1c d\u1ea1ng nano c\u1ee7a c\u00e1c ch\u1ea5t, \u0111\u1ed3ng th\u1eddi y\u00eau c\u1ea7u ph\u1ea3i c\u00f3 d\u1eef li\u1ec7u \u0111\u1ed9c t\u00ednh to\u00e0n di\u1ec7n v\u00e0 c\u00e1c \u0111\u00e1nh gi\u00e1 v\u1ec1 m\u1ee9c \u0111\u1ed9 ph\u01a1i nhi\u1ec5m.<\/p>\n

\u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng trong m\u1ef9 ph\u1ea9m, s\u1ef1 ch\u1ea5p thu\u1eadn c\u1ee7a FDA theo quy \u0111\u1ecbnh 21 CFR 352.10 cho ph\u00e9p s\u1eed d\u1ee5ng oxit k\u1ebdm nano l\u00e0m th\u00e0nh ph\u1ea7n ch\u1ed1ng n\u1eafng ho\u1ea1t t\u00ednh v\u1edbi n\u1ed3ng \u0111\u1ed9 l\u00ean \u0111\u1ebfn 25%. Quy \u0111\u1ecbnh v\u1ec1 m\u1ef9 ph\u1ea9m c\u1ee7a EU (EC) s\u1ed1 1223\/2009 y\u00eau c\u1ea7u c\u00e1c v\u1eadt li\u1ec7u nano ph\u1ea3i \u0111\u01b0\u1ee3c ghi r\u00f5 k\u00fd hi\u1ec7u \u201c[nano]\u201d tr\u00ean danh s\u00e1ch th\u00e0nh ph\u1ea7n s\u1ea3n ph\u1ea9m. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t ph\u1ea3i cung c\u1ea5p d\u1eef li\u1ec7u ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t, trong \u0111\u00f3 \u00edt nh\u1ea5t 50% s\u1ed1 l\u01b0\u1ee3ng h\u1ea1t c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf h\u01a1n 100nm \u0111\u1ec3 \u0111\u00e1p \u1ee9ng \u0111\u1ecbnh ngh\u0129a quy \u0111\u1ecbnh.<\/p>\n

Quy \u0111\u1ecbnh 2018\/1881 c\u1ee7a Li\u00ean minh Ch\u00e2u \u00c2u (EU) \u0111\u1ec1 c\u1eadp c\u1ee5 th\u1ec3 \u0111\u1ebfn c\u00e1c v\u1eadt li\u1ec7u nano trong c\u00e1c \u1ee9ng d\u1ee5ng ti\u1ebfp x\u00fac v\u1edbi th\u1ef1c ph\u1ea9m, quy \u0111\u1ecbnh c\u00e1c gi\u1edbi h\u1ea1n v\u1ec1 s\u1ef1 di chuy\u1ec3n v\u00e0 y\u00eau c\u1ea7u \u0111\u00e1nh gi\u00e1 an to\u00e0n \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ea1t c\u00f3 th\u1ec3 chuy\u1ec3n sang s\u1ea3n ph\u1ea9m th\u1ef1c ph\u1ea9m. \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng cao su v\u00e0 nh\u1ef1a trong bao b\u00ec th\u1ef1c ph\u1ea9m, oxit k\u1ebdm nano ph\u1ea3i tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh n\u00e0y c\u00f9ng v\u1edbi c\u00e1c gi\u1edbi h\u1ea1n truy\u1ec1n th\u1ed1ng v\u1ec1 h\u00e0m l\u01b0\u1ee3ng kim lo\u1ea1i n\u1eb7ng (ch\u00ec <10 ppm, cadmium <5 ppm).<\/p>\n

C\u00e1c ti\u00eau chu\u1ea9n an to\u00e0n lao \u0111\u1ed9ng theo OSHA v\u00e0 c\u00e1c ch\u1ec9 th\u1ecb v\u1ec1 n\u01a1i l\u00e0m vi\u1ec7c c\u1ee7a EU quy \u0111\u1ecbnh gi\u1edbi h\u1ea1n ph\u01a1i nhi\u1ec5m cho ph\u00e9p (PEL) \u0111\u1ed1i v\u1edbi b\u1ee5i oxit k\u1ebdm l\u00e0 5 mg\/m\u00b3 (ph\u1ea7n b\u1ee5i c\u00f3 th\u1ec3 h\u00edt v\u00e0o) v\u00e0 15 mg\/m\u00b3 (t\u1ed5ng l\u01b0\u1ee3ng b\u1ee5i). C\u00e1c v\u1eadt li\u1ec7u c\u1ea5p nano c\u00f3 th\u1ec3 y\u00eau c\u1ea7u c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba b\u1ed5 sung do hi\u1ec7u qu\u1ea3 l\u1eafng \u0111\u1ecdng trong \u0111\u01b0\u1eddng h\u00f4 h\u1ea5p cao h\u01a1n. C\u00e1c quy tr\u00ecnh x\u1eed l\u00fd th\u00edch h\u1ee3p bao g\u1ed3m h\u1ec7 th\u1ed1ng th\u00f4ng gi\u00f3 c\u1ee5c b\u1ed9, thi\u1ebft b\u1ecb b\u1ea3o h\u1ed9 c\u00e1 nh\u00e2n (kh\u1ea9u trang l\u1ecdc b\u1ee5i lo\u1ea1i N95 tr\u1edf l\u00ean) v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p ki\u1ec3m so\u00e1t k\u1ef9 thu\u1eadt \u0111\u1ec3 gi\u1ea3m thi\u1ec3u s\u1ef1 ph\u00e1t sinh b\u1ee5i trong qu\u00e1 tr\u00ecnh chuy\u1ec3n v\u00e0 tr\u1ed9n.<\/p>\n

C\u00e1c quy \u0111\u1ecbnh v\u1ec1 x\u1ea3 th\u1ea3i ra m\u00f4i tr\u01b0\u1eddng ng\u00e0y c\u00e0ng ch\u00fa tr\u1ecdng \u0111\u1ebfn vi\u1ec7c th\u1ea3i ra c\u00e1c v\u1eadt li\u1ec7u nano. \u0110\u1ea1o lu\u1eadt Ki\u1ec3m so\u00e1t Ch\u1ea5t \u0111\u1ed9c h\u1ea1i (TSCA) c\u1ee7a C\u01a1 quan B\u1ea3o v\u1ec7 M\u00f4i tr\u01b0\u1eddng Hoa K\u1ef3 (EPA) y\u00eau c\u1ea7u b\u00e1o c\u00e1o kh\u1ed1i l\u01b0\u1ee3ng s\u1ea3n xu\u1ea5t oxit k\u1ebdm nano v\u01b0\u1ee3t qu\u00e1 10.000 kg\/n\u0103m, k\u00e8m theo \u0111\u00e1nh gi\u00e1 t\u00e1c \u0111\u1ed9ng sinh th\u00e1i \u0111\u1ed1i v\u1edbi c\u00e1c sinh v\u1eadt th\u1ee7y sinh. C\u00e1c nghi\u00ean c\u1ee9u ch\u1ec9 ra r\u1eb1ng oxit k\u1ebdm nano th\u1ec3 hi\u1ec7n \u0111\u1ed9c t\u00ednh c\u1ea5p t\u00ednh cao h\u01a1n \u0111\u1ed1i v\u1edbi \u0111\u1ed9ng v\u1eadt kh\u00f4ng x\u01b0\u01a1ng s\u1ed1ng th\u1ee7y sinh so v\u1edbi c\u00e1c d\u1ea1ng kh\u1ed1i (gi\u00e1 tr\u1ecb LC50 l\u00e0 0,5-2 mg\/L so v\u1edbi 5-10 mg\/L), do \u0111\u00f3 c\u1ea7n ph\u1ea3i qu\u1ea3n l\u00fd n\u01b0\u1edbc th\u1ea3i c\u1ea9n th\u1eadn t\u1ea1i c\u00e1c c\u01a1 s\u1edf s\u1ea3n xu\u1ea5t.<\/p>\n

Oxit k\u1ebdm ho\u1ea1t t\u00ednh c\u1ea5p nano mang l\u1ea1i hi\u1ec7u su\u1ea5t v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi oxit k\u1ebdm th\u00f4ng th\u01b0\u1eddng nh\u1edd kh\u1ea3 n\u0103ng ph\u1ea3n \u1ee9ng cao h\u01a1n, kh\u1ea3 n\u0103ng ch\u1ed1ng tia UV v\u00e0 t\u00ednh kh\u00e1ng khu\u1ea9n, \u0111\u01b0\u1ee3c t\u1ea1o ra nh\u1edd k\u00edch th\u01b0\u1edbc nano v\u00e0 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t l\u1edbn. Vi\u1ec7c n\u1eafm r\u00f5 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a s\u1ea3n ph\u1ea9m \u2014 bao g\u1ed3m ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t, c\u1ea5u tr\u00fac tinh th\u1ec3, x\u1eed l\u00fd b\u1ec1 m\u1eb7t v\u00e0 ti\u00eau chu\u1ea9n \u0111\u1ed9 tinh khi\u1ebft \u2014 gi\u00fap \u0111\u01b0a ra c\u00e1c quy\u1ebft \u0111\u1ecbnh mua s\u1eafm s\u00e1ng su\u1ed1t trong c\u00e1c l\u0129nh v\u1ef1c s\u1ea3n xu\u1ea5t cao su, s\u01a1n ph\u1ee7, \u0111i\u1ec7n t\u1eed v\u00e0 y t\u1ebf. T\u00ednh linh ho\u1ea1t c\u1ee7a v\u1eadt li\u1ec7u n\u00e0y bao g\u1ed3m k\u00edch ho\u1ea1t qu\u00e1 tr\u00ecnh l\u01b0u h\u00f3a \u1edf li\u1ec1u l\u01b0\u1ee3ng th\u1ea5p, l\u1ecdc tia UV ph\u1ed5 r\u1ed9ng trong m\u1ef9 ph\u1ea9m, ch\u1ee9c n\u0103ng kh\u00e1ng khu\u1ea9n trong s\u01a1n, v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng m\u1edbi n\u1ed5i trong l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng v\u00e0 \u0111i\u1ec7n t\u1eed linh ho\u1ea1t.<\/p>\n

\u0110\u1ec3 t\u00edch h\u1ee3p th\u00e0nh c\u00f4ng, c\u1ea7n ph\u1ea3i ch\u00fa tr\u1ecdng k\u1ef9 l\u01b0\u1ee1ng \u0111\u1ebfn ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00e1n, tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh ph\u00e1p l\u00fd v\u00e0 t\u1ed1i \u01b0u h\u00f3a c\u00e1c t\u00ednh ch\u1ea5t ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3. Nh\u1eefng l\u1ee3i th\u1ebf so v\u1edbi oxit k\u1ebdm ti\u00eau chu\u1ea9n \u2014 bao g\u1ed3m di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t cao h\u01a1n 5-8 l\u1ea7n, ho\u1ea1t t\u00ednh x\u00fac t\u00e1c \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 v\u00e0 \u0111\u1ed9 trong su\u1ed1t quang h\u1ecdc v\u01b0\u1ee3t tr\u1ed9i \u2014 l\u00e0 c\u01a1 s\u1edf h\u1ee3p l\u00fd cho m\u1ee9c gi\u00e1 cao h\u01a1n trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi hi\u1ec7u su\u1ea5t cao. Khi c\u00e1c khung ph\u00e1p l\u00fd ng\u00e0y c\u00e0ng ph\u00e1t tri\u1ec3n \u0111\u1ec3 gi\u1ea3i quy\u1ebft nh\u1eefng lo ng\u1ea1i li\u00ean quan \u0111\u1ebfn v\u1eadt li\u1ec7u nano, vi\u1ec7c h\u1ee3p t\u00e1c v\u1edbi c\u00e1c nh\u00e0 cung c\u1ea5p \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn, nh\u1eefng ng\u01b0\u1eddi cung c\u1ea5p \u0111\u1ea7y \u0111\u1ee7 t\u00e0i li\u1ec7u, s\u1ebd \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh tr\u00ean c\u00e1c th\u1ecb tr\u01b0\u1eddng to\u00e0n c\u1ea7u.<\/p>\n

C\u00e1c \u0111\u1ed9i ng\u0169 mua s\u1eafm n\u00ean \u01b0u ti\u00ean c\u00e1c nh\u00e0 cung c\u1ea5p cung c\u1ea5p d\u1eef li\u1ec7u \u0111\u1eb7c tr\u01b0ng chi ti\u1ebft (h\u00ecnh \u1ea3nh TEM, di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t BET, c\u1ea5u tr\u00fac tinh th\u1ec3 XRD), c\u00e1c ch\u1ee9ng nh\u1eadn tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng cu\u1ed1i c\u00f9ng, c\u0169ng nh\u01b0 h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a qu\u00e1 tr\u00ecnh ph\u00e2n t\u00e1n. S\u1ef1 ph\u00e1t tri\u1ec3n li\u00ean t\u1ee5c c\u1ee7a c\u00e1c bi\u1ebfn th\u1ec3 \u0111\u01b0\u1ee3c bi\u1ebfn t\u00ednh b\u1ec1 m\u1eb7t v\u00e0 c\u00e1c lo\u1ea1i s\u1ea3n ph\u1ea9m d\u00e0nh ri\u00eang cho t\u1eebng \u1ee9ng d\u1ee5ng h\u1ee9a h\u1eb9n mang l\u1ea1i nhi\u1ec1u c\u01a1 h\u1ed9i h\u01a1n cho c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111ang t\u00ecm ki\u1ebfm l\u1ee3i th\u1ebf c\u1ea1nh tranh th\u00f4ng qua khoa h\u1ecdc v\u1eadt li\u1ec7u ti\u00ean ti\u1ebfn.<\/p>","protected":false},"excerpt":{"rendered":"

Oxit k\u1ebdm ho\u1ea1t t\u00ednh c\u1ea5p nano l\u00e0 m\u1ed9t b\u01b0\u1edbc \u0111\u1ed9t ph\u00e1 trong khoa h\u1ecdc v\u1eadt li\u1ec7u, v\u1edbi k\u00edch th\u01b0\u1edbc h\u1ea1t d\u01b0\u1edbi 100nm, mang l\u1ea1i kh\u1ea3 n\u0103ng ph\u1ea3n \u1ee9ng cao h\u01a1n, kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 tia UV v\u00e0 t\u00ednh kh\u00e1ng khu\u1ea9n v\u01b0\u1ee3t tr\u1ed9i. C\u1ea9m nang th\u00f4ng tin n\u00e0y t\u00ecm hi\u1ec3u c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 b\u1ea3n, th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p c\u1ee7a oxit k\u1ebdm c\u1ea5p nano, cung c\u1ea5p cho c\u00e1c chuy\u00ean gia mua s\u1eafm v\u00e0 k\u1ef9 s\u01b0 nh\u1eefng th\u00f4ng tin quan tr\u1ecdng \u0111\u1ec3 l\u1ef1a ch\u1ecdn v\u00e0 t\u00edch h\u1ee3p v\u1eadt li\u1ec7u. Kh\u00e1c v\u1edbi [\u2026]<\/p>","protected":false},"author":1,"featured_media":721,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1218","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-overview"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.daoanchemical.com\/vi\/wp-json\/wp\/v2\/posts\/1218","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.daoanchemical.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.daoanchemical.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.daoanchemical.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.daoanchemical.com\/vi\/wp-json\/wp\/v2\/comments?post=1218"}],"version-history":[{"count":0,"href":"https:\/\/www.daoanchemical.com\/vi\/wp-json\/wp\/v2\/posts\/1218\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.daoanchemical.com\/vi\/wp-json\/wp\/v2\/media\/721"}],"wp:attachment":[{"href":"https:\/\/www.daoanchemical.com\/vi\/wp-json\/wp\/v2\/media?parent=1218"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.daoanchemical.com\/vi\/wp-json\/wp\/v2\/categories?post=1218"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.daoanchemical.com\/vi\/wp-json\/wp\/v2\/tags?post=1218"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}