{"id":110919,"date":"2021-09-02T16:25:32","date_gmt":"2021-09-02T08:25:32","guid":{"rendered":"https:\/\/www.alpapowder.com\/110919\/"},"modified":"2021-09-02T16:25:32","modified_gmt":"2021-09-02T08:25:32","slug":"bien-doi-muoi-than-va-ung-dung-cua-no-trong-cao-su","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/110919\/","title":{"rendered":"Bi\u1ebfn \u0111\u1ed5i mu\u1ed9i than v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 trong cao su"},"content":{"rendered":"

Carbon black l\u00e0 m\u1ed9t lo\u1ea1i carbon v\u00f4 \u0111\u1ecbnh h\u00ecnh d\u1ea1ng b\u1ed9t m\u00e0u \u0111en, nh\u1eb9, c\u1ef1c k\u1ef3 m\u1ecbn. N\u00f3 l\u00e0 ch\u1ea5t \u0111\u1ed9n gia c\u01b0\u1eddng quan tr\u1ecdng nh\u1ea5t trong ng\u00e0nh c\u00f4ng nghi\u1ec7p cao su v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p in v\u00e0 nhu\u1ed9m, cao su, ch\u1ebf bi\u1ebfn nh\u1ef1a v\u00e0 giao th\u00f4ng v\u1eadn t\u1ea3i. C\u00e1c nghi\u00ean c\u1ee9u \u0111\u00e3 ch\u1ec9 ra r\u1eb1ng bi\u1ebfn \u0111\u1ed5i h\u00f3a h\u1ecdc c\u1ee7a mu\u1ed9i than c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 c\u00e1c t\u00ednh ch\u1ea5t kh\u00e1c nhau c\u1ee7a mu\u1ed9i than, \u0111\u00e2y c\u0169ng l\u00e0 m\u1ed9t ch\u1ee7 \u0111\u1ec1 n\u00f3ng trong nghi\u00ean c\u1ee9u hi\u1ec7n nay v\u1ec1 mu\u1ed9i than.<\/p>\n

\u0110\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u \u0111\u1eb7c bi\u1ec7t v\u1ec1 t\u00ednh n\u0103ng c\u1ee7a mu\u1ed9i than trong m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng, m\u1ee5c \u0111\u00edch c\u1ee7a vi\u1ec7c s\u1eeda \u0111\u1ed5i c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c b\u1eb1ng c\u00e1ch x\u1eed l\u00fd mu\u1ed9i mu\u1ed9i than. B\u1eaft \u0111\u1ea7u t\u1eeb th\u00e0nh ph\u1ea7n nguy\u00ean t\u1ed1 v\u00e0 c\u00e1c nh\u00f3m ch\u1ee9c b\u1ec1 m\u1eb7t c\u1ee7a mu\u1ed9i than, c\u00f3 ba c\u00e1ch \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng bi\u1ebfn t\u00ednh \u01b0a n\u01b0\u1edbc c\u1ee7a mu\u1ed9i than: s\u1eeda \u0111\u1ed5i qu\u00e1 tr\u00ecnh oxy h\u00f3a, s\u1eeda \u0111\u1ed5i ph\u1ea7n gh\u00e9p v\u00e0 s\u1eeda \u0111\u1ed5i l\u1edbp ph\u1ee7.<\/p>\n

S\u1eeda \u0111\u1ed5i gh\u00e9p<\/h4>\n

Bi\u1ebfn t\u00ednh gh\u00e9p l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p bi\u1ebfn t\u00ednh cao su \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u r\u1ed9ng r\u00e3i nh\u1ea5t. \u0110i\u1ec1u ch\u1ec9nh gh\u00e9p l\u00e0 gh\u00e9p c\u00e1c chu\u1ed7i polyme ho\u1eb7c c\u00e1c h\u1ee3p ch\u1ea5t ph\u00e2n t\u1eed th\u1ea5p tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a mu\u1ed9i than v\u00e0 li\u00ean k\u1ebft ch\u00fang ch\u1eafc ch\u1eafn v\u1edbi b\u1ec1 m\u1eb7t mu\u1ed9i than \u0111\u1ec3 ng\u0103n ch\u1eb7n s\u1ef1 k\u1ebft t\u1ee5 gi\u1eefa c\u00e1c h\u1ea1t \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c \u0111\u00edch ph\u00e2n t\u00e1n.<\/p>\n

    \n
  1. Gh\u00e9p cacbon \u0111en v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng ph\u00e2n t\u1eed th\u1ea5p<\/strong><\/li>\n<\/ol>\n

    AO-80 (m\u1ed9t ch\u1ea5t ch\u1ed1ng oxy h\u00f3a h\u1eefu c\u01a1) b\u1ecb ph\u00e2n h\u1ee7y trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 cao \u0111\u1ec3 t\u1ea1o ra c\u00e1c g\u1ed1c t\u1ef1 do ph\u00e2n t\u1eed nh\u1ecf. Trong ch\u1ea5t l\u1ecfng CO2\u00a0<\/sub>si\u00eau t\u1edbi h\u1ea1n, c\u00e1c ph\u00e2n t\u1eed h\u1eefu c\u01a1 nh\u1ecf (AO-80) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gh\u00e9p carbon \u0111en tr\u00ean b\u1ec1 m\u1eb7t \u0111\u1ec3 chu\u1ea9n b\u1ecb c\u00e1c ph\u00e2n t\u1eed h\u1eefu c\u01a1 nh\u1ecf \u0110\u01b0\u1ee3c gh\u00e9p c\u00e1c h\u1ea1t nano carbon \u0111en. Vi\u1ec7c ph\u00e2n t\u00edch b\u1ea3n \u0111\u1ed3 k\u00edch th\u01b0\u1edbc h\u1ea1t sau khi gh\u00e9p c\u00e1c ph\u00e2n t\u1eed AO-80 l\u00ean b\u1ec1 m\u1eb7t c\u1ee7a mu\u1ed9i than r\u00fat ra k\u1ebft lu\u1eadn r\u1eb1ng k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a c\u00e1c t\u1eadp h\u1ee3p mu\u1ed9i than bi\u1ebfn t\u00ednh nh\u1ecf h\u01a1n v\u00e0 h\u1eb9p h\u01a1n.<\/p>\n

      \n
    1. Gh\u00e9p than ho\u1ea1t t\u00ednh \u0111en v\u00e0 polyme<\/strong><\/li>\n<\/ol>\n

      Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00e1c nh\u00f3m cu\u1ed1i c\u1ee7a polyme si\u00eau ph\u00e2n nh\u00e1nh v\u00e0 bi\u1ebfn \u0111\u1ed5i cacbon \u0111en b\u1eb1ng polyme si\u00eau ph\u00e2n nh\u00e1nh cu\u1ed1i nh\u1eb9 c\u00f3 th\u1ec3 l\u00e0m suy y\u1ebfu s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a c\u00e1c h\u1ea1t cacbon \u0111en \u0111\u00e3 bi\u1ebfn \u0111\u1ed5i. Gh\u00e9p polyme si\u00eau ph\u00e2n nh\u00e1nh thay \u0111\u1ed5i carbon \u0111en: carbon \u0111en \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c metyl h\u00f3a, sau \u0111\u00f3 poly (amide ethyl) si\u00eau ph\u00e2n nh\u00e1nh lo\u1ea1i AB3<\/sub>\u00a0\u0111\u01b0\u1ee3c gh\u00e9p l\u00ean b\u1ec1 m\u1eb7t c\u1ee7a carbon \u0111en.<\/p>\n

        \n
      1. Gh\u00e9p \u0111\u1ec3 b\u1eaft c\u00e1c g\u1ed1c t\u1ef1 do tr\u00ean b\u1ec1 m\u1eb7t mu\u1ed9i than<\/strong><\/li>\n<\/ol>\n

        Natri polystyren sulfonat (PSS) l\u00e0 m\u1ed9t polyme h\u00f2a tan trong n\u01b0\u1edbc c\u00f3 ho\u1ea1t t\u00ednh b\u1ec1 m\u1eb7t t\u1ed1t. Trong m\u00f4i tr\u01b0\u1eddng si\u00eau \u00e2m, monome natri styren sulfonat tr\u1ea3i qua qu\u00e1 tr\u00ecnh tr\u00f9ng h\u1ee3p g\u1ed1c t\u1ef1 do, v\u00e0 c\u00e1c g\u1ed1c t\u1ef1 do chu\u1ed7i d\u00e0i polyme \u0111\u01b0\u1ee3c t\u1ea1o ra s\u1ebd b\u1ecb b\u1eaft gi\u1eef b\u1edfi b\u1ec1 m\u1eb7t c\u1ee7a mu\u1ed9i than \u0111\u1ec3 chu\u1ea9n b\u1ecb mu\u1ed9i than gh\u00e9p polyme.<\/p>\n

        \u0110i\u1ec1u ch\u1ec9nh qu\u00e1 tr\u00ecnh oxy h\u00f3a<\/h4>\n

        C\u00e1c h\u1ea1t \u0111en carbon \u0111\u01b0\u1ee3c oxy h\u00f3a b\u1edfi m\u1ed9t ch\u1ea5t oxy h\u00f3a \u0111\u1ec3 tr\u1ea3i qua qu\u00e1 tr\u00ecnh s\u1eeda \u0111\u1ed5i. Qu\u00e1 tr\u00ecnh x\u1eed l\u00fd oxy h\u00f3a c\u1ee7a mu\u1ed9i than c\u00f3 th\u1ec3 thay \u0111\u1ed5i di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t c\u1ee5 th\u1ec3, \u0111\u1ed9 x\u1ed1p v\u00e0 \u0111\u1ed9 d\u1eabn c\u1ee7a mu\u1ed9i than.<\/p>\n

        X\u1eed l\u00fd oxy h\u00f3a b\u1ec1 m\u1eb7t (oxy h\u00f3a pha kh\u00ed v\u00e0 oxy h\u00f3a pha l\u1ecfng) l\u00e0m t\u0103ng lo\u1ea1i v\u00e0 s\u1ed1 l\u01b0\u1ee3ng nh\u00f3m ch\u1ee9c ch\u1ee9a oxy tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a mu\u1ed9i than, c\u00f3 th\u1ec3 l\u00e0m t\u0103ng h\u00e0m l\u01b0\u1ee3ng d\u1ec5 bay h\u01a1i c\u1ee7a mu\u1ed9i than, gi\u1ea3m pH, c\u1ea3i thi\u1ec7n ho\u1ea1t t\u00ednh v\u00e0 \u0111\u1ed9 ph\u00e2n c\u1ef1c c\u1ee7a b\u1ec1 m\u1eb7t.<\/p>\n

          \n
        1. Ph\u01b0\u01a1ng ph\u00e1p pha kh\u00ed<\/strong><\/li>\n<\/ol>\n

          Ph\u01b0\u01a1ng ph\u00e1p bi\u1ebfn t\u00ednh cacbon \u0111en theo pha kh\u00ed l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p bi\u1ebfn t\u00ednh truy\u1ec1n th\u1ed1ng. \u00d4xy, \u00f4z\u00f4n, kh\u00f4ng kh\u00ed kh\u00f4 v\u00e0 \u00f4xy nguy\u00ean t\u1eed ho\u1eb7c kh\u00f4ng kh\u00ed \u1ea9m l\u00e0 nh\u1eefng ch\u1ea5t \u00f4xy h\u00f3a ch\u00ednh. Kh\u00ed tr\u01a1 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o trong \u0111i\u1ec1u ki\u1ec7n k\u00edn, v\u00e0 sau \u0111\u00f3 nhi\u1ec7t \u0111\u1ed9 \u0111\u01b0\u1ee3c n\u00e2ng l\u00ean \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 ph\u1ea3n \u1ee9ng, v\u00e0 sau \u0111\u00f3 ch\u1ea5t oxy h\u00f3a \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o \u0111\u1ec3 th\u1ef1c hi\u1ec7n ph\u1ea3n \u1ee9ng \u0111i\u1ec1u ch\u1ebf. Sau ph\u1ea3n \u1ee9ng, kh\u00ed tr\u01a1 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o. K\u1ebft qu\u1ea3 th\u1ef1c nghi\u1ec7m cho th\u1ea5y khi t\u0103ng th\u1eddi gian th\u1eed nghi\u1ec7m v\u00e0 t\u0103ng nhi\u1ec7t \u0111\u1ed9 ph\u1ea3n \u1ee9ng, c\u00e0ng c\u00f3 nhi\u1ec1u nh\u00f3m ch\u1ee9a oxy tr\u00ean b\u1ec1 m\u1eb7t cacbon \u0111en th\u00ec kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n trong n\u1ec1n cao su c\u00e0ng t\u1ed1t.<\/p>\n

            \n
          1. Ph\u01b0\u01a1ng ph\u00e1p pha l\u1ecfng<\/strong><\/li>\n<\/ol>\n

            Ph\u01b0\u01a1ng ph\u00e1p pha l\u1ecfng, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ph\u01b0\u01a1ng ph\u00e1p oxy h\u00f3a h\u00f3a h\u1ecdc, l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p bi\u1ebfn \u0111\u1ed5i trong \u0111\u00f3 ch\u1ea5t oxy h\u00f3a ph\u1ea3n \u1ee9ng v\u1edbi mu\u1ed9i than \u0111\u1ec3 t\u1ea1o ra m\u1ed9t v\u00e0i g\u1ed1c, g\u1ed1c cacboxyl v\u00e0 g\u1ed1c \u00e1nh s\u00e1ng tr\u00ean b\u1ec1 m\u1eb7t mu\u1ed9i than. Cabot Elastomer Composite (CEC) do Wang Mengjiao v\u00e0 nh\u1eefng ng\u01b0\u1eddi kh\u00e1c nghi\u00ean c\u1ee9u l\u00e0 masterbatch ch\u1ea5t \u0111\u1ed9n NR \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng quy tr\u00ecnh tr\u1ed9n pha l\u1ecfng li\u00ean t\u1ee5c. So v\u1edbi h\u1ed7n h\u1ee3p cao su kh\u00f4, v\u1eadt li\u1ec7u n\u00e0y c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a cao su l\u01b0u h\u00f3a, bao g\u1ed3m gi\u1ea3m t\u1ed5n th\u1ea5t t\u1eeb \u200b\u200btr\u1ec5, c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng c\u1eaft v\u00e0 ch\u1ed1ng u\u1ed1n, v\u00e0 t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n c\u1ee7a cao su l\u01b0u h\u00f3a khi l\u01b0\u1ee3ng ch\u1ea5t \u0111\u1ed9n \u0111\u01b0\u1ee3c t\u0103ng l\u00ean.<\/p>\n

            S\u1eeda \u0111\u1ed5i l\u1edbp ph\u1ee7<\/h4>\n

            Tr\u1ed9n cacbon \u0111en v\u1edbi cacbon \u0111en tr\u1eafng \u0111\u00e3 ph\u00e2n t\u00e1n trong n\u01b0\u1edbc \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t lo\u1ea1i b\u00f9n, th\u00eam m\u1ed9t l\u01b0\u1ee3ng th\u00edch h\u1ee3p metanol, metyl triethoxy silan, natri silicat v\u00e0 c\u00e1c ch\u1ea5t ph\u00e2n t\u00e1n kh\u00e1c \u0111\u1ec3 l\u00e0m cho l\u1edbp ph\u1ee7 cacbon \u0111en tr\u1eafng tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a cacbon \u0111en, v\u00e0 k\u1ebft qu\u1ea3 l\u00e0 cacbon bi\u1ebfn t\u00ednh M\u00e0u \u0111en \u0111\u01b0\u1ee3c l\u1ea5p \u0111\u1ea7y Trong l\u1ed1p xe, b\u0103ng t\u1ea3i v\u00e0 con l\u0103n cao su, n\u00f3 c\u00f3 th\u1ec3 cung c\u1ea5p cho cao su l\u01b0u h\u00f3a c\u00e1c \u0111\u1eb7c t\u00ednh v\u1eadt l\u00fd tuy\u1ec7t v\u1eddi nh\u01b0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n cao, \u0111\u1ed9 b\u00e1m cao v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u0103n th\u1ea5p.<\/p>\n

            \u1ee8ng d\u1ee5ng c\u1ee7a carbon \u0111en bi\u1ebfn t\u00ednh trong cao su<\/h4>\n

            Trong ng\u00e0nh c\u00f4ng nghi\u1ec7p cao su, mu\u1ed9i than \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u01b0 m\u1ed9t ch\u1ea5t gia c\u1ed1 v\u00e0 90% s\u1ea3n l\u01b0\u1ee3ng mu\u1ed9i than to\u00e0n c\u1ea7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p cao su.<\/p>\n

              \n
            • \u1ee8ng d\u1ee5ng trong NR (Cao su t\u1ef1 nhi\u00ean)<\/strong><\/li>\n<\/ul>\n

              Carbon \u0111en \u0111\u01b0\u1ee3c bi\u1ebfn t\u00ednh b\u1edfi kh\u00ed nhi\u1ec7t ph\u00e2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t gia c\u1ed1 v\u00e0 th\u00eam HAF v\u00e0o cao su. Khi l\u01b0\u1ee3ng carbon \u0111en bi\u1ebfn t\u00ednh t\u0103ng l\u00ean, \u1ee9ng su\u1ea5t k\u00e9o 300% c\u1ee7a h\u1ee3p ch\u1ea5t l\u01b0u h\u00f3a t\u0103ng l\u00ean, \u0111\u1ed9 gi\u00e3n d\u00e0i gi\u1ea3m v\u00e0 b\u1ed9 n\u00e9n gi\u1ea3m. \u0110\u1ed9 b\u1ec1n x\u00e9 \u0111\u00e3 \u0111\u01b0\u1ee3c gi\u1ea3m xu\u1ed1ng.<\/p>\n

              \u1ea2nh h\u01b0\u1edfng c\u1ee7a bi\u1ebfn \u0111\u1ed5i kh\u00ed nhi\u1ec7t ph\u00e2n-I v\u00e0 HAF \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a NR<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n
              M\u00e0n bi\u1ec3u di\u1ec5n<\/td>\nHAF \/ kh\u00ed nhi\u1ec7t ph\u00e2n bi\u1ebfn t\u00ednh carbon \u0111en-II<\/td>\n<\/tr>\n
              100\/0<\/td>\n70\/30<\/td>\n50\/50<\/td>\n30\/70<\/td>\n0\/100<\/td>\n<\/tr>\n
              300% \u1ee9ng su\u1ea5t k\u00e9o d\u00e0i c\u1ed1 \u0111\u1ecbnh \/ MPa<\/td>\n8,3<\/td>\n8,2<\/td>\n8,8<\/td>\n9,0<\/td>\n9,5<\/td>\n<\/tr>\n
              \u0110\u1ed9 b\u1ec1n k\u00e9o \/ MPa<\/td>\n32,5<\/td>\n39,7<\/td>\n27,1<\/td>\n26,5<\/td>\n23,1<\/td>\n<\/tr>\n
              \u0110\u1ed9 gi\u00e3n d\u00e0i khi ngh\u1ec9 \/%<\/td>\n586<\/td>\n593<\/td>\n548<\/td>\n535<\/td>\n496<\/td>\n<\/tr>\n
              Bi\u1ebfn d\u1ea1ng v\u0129nh vi\u1ec5n \/%<\/td>\n36,4<\/td>\n30,8<\/td>\n26,8<\/td>\n22,6<\/td>\n24,0<\/td>\n<\/tr>\n
              Sauer A \u0111\u1ed9 c\u1ee9ng \/ \u0111\u1ed9<\/td>\n61.5<\/td>\n58<\/td>\n58<\/td>\n60<\/td>\n61<\/td>\n<\/tr>\n
              H\u1ec7 s\u1ed1 \u0111i\u1ec7n tr\u1edf l\u1ea1nh (-40 \u2103)<\/td>\n0,8<\/td>\n0,83<\/td>\n0,84<\/td>\n0,8<\/td>\n0,8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
                \n
              • \u1ee8ng d\u1ee5ng trong EPDM (cao su monome ethylene propylene diene)<\/strong><\/li>\n<\/ul>\n

                Cao su EPDM (EPDM) c\u00f3 kh\u1ea3 n\u0103ng kh\u00e1ng \u00f4z\u00f4n v\u00e0 ch\u1ed1ng l\u00e3o h\u00f3a tuy\u1ec7t v\u1eddi. N\u00f3 th\u01b0\u1eddng ch\u1ee9a \u0111\u1ea7y carbon \u0111en \u0111\u01b0\u1ee3c bi\u1ebfn t\u00ednh b\u1eb1ng c\u00e1ch gh\u00e9p monome glycidyl methacrylate (GMA) \u0111\u1ec3 c\u1ea3i thi\u1ec7n qu\u00e1 tr\u00ecnh x\u1eed l\u00fd v\u00e0 t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a n\u00f3.<\/p>\n

                Mu\u1ed9i than \u0111\u01b0\u1ee3c bi\u1ebfn t\u00ednh b\u1eb1ng axit b\u00e9o nh\u1eb9 kh\u00f4ng b\u00e3o h\u00f2a \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng l\u01b0u h\u00f3a v\u00e0 c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 l\u00fd c\u1ee7a cao su EPDM. Ng\u01b0\u1eddi ta th\u1ea5y r\u1eb1ng vi\u1ec7c b\u1ed5 sung axit b\u00e9o kh\u00f4ng b\u00e3o h\u00f2a \u0111\u00e3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 hi\u1ec7u su\u1ea5t x\u00e9 v\u00e0 hi\u1ec7u su\u1ea5t u\u1ed1n c\u1ee7a cao su l\u01b0u h\u00f3a trong khi v\u1eabn duy tr\u00ec hi\u1ec7u su\u1ea5t t\u01b0\u01a1ng \u0111\u1ed1i cao. Hi\u1ec7u su\u1ea5t l\u00e3o h\u00f3a oxy nhi\u1ec7t t\u1ed1t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng t\u1ed1t cho c\u00e1c s\u1ea3n ph\u1ea9m cao su h\u1ea5p th\u1ee5 s\u1ed1c.<\/p>\n

                  \n
                • \u1ee8ng d\u1ee5ng trong SBRL (cao su styren butadien l\u01b0u h\u00f3a)<\/strong><\/li>\n<\/ul>\n

                  Cao su styren butadien l\u00e0 m\u1ed9t lo\u1ea1i cao su c\u00f4ng nghi\u1ec7p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn, c\u00f3 \u01b0u \u0111i\u1ec3m l\u00e0 gi\u00e1 th\u00e0nh r\u1ebb v\u00e0 ngu\u1ed3n h\u00e0ng r\u1ed9ng r\u00e3i. Natri styren sulfonate \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh mu\u1ed9i than \u0111\u1ec3 \u0111i\u1ec1u ch\u1ebf huy\u1ec1n ph\u00f9 mu\u1ed9i than ph\u00e2n t\u00e1n nano, v\u00e0 sau \u0111\u00f3 huy\u1ec1n ph\u00f9 mu\u1ed9i than \u0111\u01b0\u1ee3c tr\u1ed9n v\u1edbi SBRL \u0111\u1ec3 \u0111i\u1ec1u ch\u1ebf SBRL gia c\u1ed1 mu\u1ed9i mu\u1ed9i \u0111\u00e3 s\u1eeda \u0111\u1ed5i, \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho ch\u1ea5t l\u1ecfng s\u1eeda ch\u1eefa l\u1ed1p xe.<\/p>\n

                    \n
                  • \u1ee8ng d\u1ee5ng trong ch\u1ea5t tr\u00e1m khe polyurethane<\/strong><\/li>\n<\/ul>\n

                    V\u1edbi s\u1ef1 c\u00f3 m\u1eb7t c\u1ee7a ch\u1ea5t kh\u01a1i m\u00e0o benzoyl peroxide, b\u1ec1 m\u1eb7t c\u1ee7a mu\u1ed9i than th\u00f4ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ebfn t\u00ednh h\u1eefu c\u01a1 b\u1eb1ng styren.<\/p>\n

                    So s\u00e1nh hi\u1ec7u su\u1ea5t c\u1ee7a mu\u1ed9i than \u0111\u01b0\u1ee3c th\u00eam v\u00e0o ch\u1ea5t tr\u00e1m tr\u00e9t tr\u01b0\u1edbc v\u00e0 sau khi s\u1eeda \u0111\u1ed5i<\/strong><\/p>\n\n\n\n\n\n\n\n\n
                    d\u1ef1 \u00e1n<\/td>\nCh\u1ea5t b\u1ecbt k\u00edn tr\u01b0\u1edbc khi s\u1eeda \u0111\u1ed5i<\/td>\nCh\u1ea5t b\u1ecbt k\u00edn \u0111\u00e3 s\u1eeda \u0111\u1ed5i<\/td>\n<\/tr>\n
                    \u0110\u1ed9 b\u1ec1n k\u00e9o \/ MPa<\/td>\n3,2<\/td>\n4,43<\/td>\n<\/tr>\n
                    \u0110\u1ed9 gi\u00e3n d\u00e0i khi ngh\u1ec9 \/%<\/td>\n423<\/td>\n597<\/td>\n<\/tr>\n
                    \u0110\u1ed9 b\u1ec1n c\u1eaft \/ MPa<\/td>\n1,9<\/td>\n2,6<\/td>\n<\/tr>\n
                    Sauer A \u0111\u1ed9 c\u1ee9ng \/ \u0111\u1ed9<\/td>\n40<\/td>\n42<\/td>\n<\/tr>\n
                    Ch\u1ed1ng ch\u1ea3y x\u1ec7 \/ mm<\/td>\n3,64<\/td>\n6,84<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                    Ch\u1ea5t b\u1ecbt k\u00edn \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng h\u1ee3p ch\u1ea5t carbon \u0111en bi\u1ebfn t\u00ednh c\u00f3 \u0111\u1ed9 b\u1ec1n k\u00e9o, \u0111\u1ed9 c\u1ee9ng, \u0111\u1ed9 gi\u00e3n d\u00e0i v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1eaft t\u1ed1t, gi\u1ea3m chi ph\u00ed, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c l\u0129nh v\u1ef1c b\u1ecbt k\u00edn nh\u01b0 x\u00e2y d\u1ef1ng v\u00e0 \u00f4 t\u00f4.<\/p>\n

                     <\/p>\n

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

                    Carbon black l\u00e0 m\u1ed9t lo\u1ea1i carbon v\u00f4 \u0111\u1ecbnh h\u00ecnh d\u1ea1ng b\u1ed9t m\u00e0u \u0111en, nh\u1eb9, c\u1ef1c k\u1ef3 m\u1ecbn. N\u00f3 l\u00e0 ch\u1ea5t \u0111\u1ed9n gia c\u01b0\u1eddng quan tr\u1ecdng nh\u1ea5t trong ng\u00e0nh c\u00f4ng nghi\u1ec7p cao su v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p in v\u00e0 nhu\u1ed9m, cao su, ch\u1ebf bi\u1ebfn nh\u1ef1a v\u00e0 giao th\u00f4ng v\u1eadn t\u1ea3i. C\u00e1c nghi\u00ean c\u1ee9u \u0111\u00e3 ch\u1ec9 ra r\u1eb1ng bi\u1ebfn \u0111\u1ed5i h\u00f3a h\u1ecdc c\u1ee7a mu\u1ed9i than c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 c\u00e1c t\u00ednh ch\u1ea5t kh\u00e1c nhau c\u1ee7a mu\u1ed9i than, \u0111\u00e2y c\u0169ng l\u00e0 m\u1ed9t ch\u1ee7 \u0111\u1ec1 n\u00f3ng trong nghi\u00ean c\u1ee9u hi\u1ec7n nay v\u1ec1 mu\u1ed9i than.<\/p>\n","protected":false},"author":6,"featured_media":110891,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-110919","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\/110919"}],"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=110919"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/110919\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/110891"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=110919"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=110919"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=110919"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}