{"id":1295,"date":"2023-07-05T09:56:13","date_gmt":"2023-07-05T02:56:13","guid":{"rendered":"https:\/\/hadupack.com\/?post_type=product&p=1295"},"modified":"2026-01-03T09:14:55","modified_gmt":"2026-01-03T02:14:55","slug":"hat-nhua-pp","status":"publish","type":"product","link":"https:\/\/hadupack.com\/en\/san-pham\/hat-nhua-pp\/","title":{"rendered":"H\u1ea1t nh\u1ef1a PP"},"content":{"rendered":"

T\u1ea5t c\u1ea3 v\u1ec1 h\u1ea1t nh\u1ef1a Polypropylene: C\u00e1ch s\u1ea3n xu\u1ea5t v\u00e0 s\u1eed d\u1ee5ng h\u1ea1t nh\u1ef1a PP<\/strong><\/em><\/span><\/h2>\n

H\u1ea1t nh\u1ef1a polypropylene l\u00e0 m\u1ed9t lo\u1ea1i nh\u1ef1a polyme hydrocarbon tuy\u1ebfn t\u00ednh nhi\u1ec7t d\u1ebbo b\u00e1n c\u1ee9ng, ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00e0 b\u1ec1n, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng h\u00f3a ch\u1ea5t, \u0111i\u1ec7n v\u00e0 m\u1ecfi tuy\u1ec7t v\u1eddi \u1edf nhi\u1ec7t \u0111\u1ed9 cao. N\u00f3 \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t lo\u1ea1i nh\u1ef1a kh\u00f4ng g\u00e2y nguy hi\u1ec3m v\u00e0 do \u0111\u00f3, n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c s\u1ea3n ph\u1ea9m t\u1eeb \u0111\u1ed3 n\u1ed9i th\u1ea5t v\u00e0 m\u00e1y m\u00f3c b\u1eb1ng nh\u1ef1a \u0111\u1ebfn h\u1ed9p \u0111\u1ef1ng thu\u1ed1c v\u00e0 \u1ed1ng ti\u00eam. M\u1eb7c d\u00f9 c\u00f3 t\u00ednh linh ho\u1ea1t, kh\u1ea3 n\u0103ng t\u00f9y ch\u1ec9nh v\u00e0 \u0111\u1ed9 b\u1ec1n, v\u1eadt li\u1ec7u n\u00e0y c\u0169ng c\u00f3 m\u1ed9t s\u1ed1 nh\u01b0\u1ee3c \u0111i\u1ec3m, ch\u1eb3ng h\u1ea1n nh\u01b0 d\u1ec5 b\u1ecb oxy h\u00f3a, d\u1ec5 ch\u00e1y v\u00e0 nh\u1ea1y c\u1ea3m v\u1edbi dung m\u00f4i clo v\u00e0 ch\u1ea5t th\u01a1m.<\/span><\/p>\n

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\u25c6<\/span>T\u00ecm hi\u1ec3u th\u00eam:<\/strong><\/em><\/span><\/p>\n

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  1. https:\/\/hadupack.com\/san-pham\/hat-nhua-hdpe\/<\/a><\/span><\/li>\n
  2. https:\/\/hadupack.com\/san-pham\/hat-nhua-hips\/<\/a><\/span><\/li>\n
  3. https:\/\/hadupack.com\/san-pham\/hat-nhua-pa6\/<\/a><\/span><\/li>\n<\/ol>\n

    H\u1ea1t nh\u1ef1a PP Polypropylene l\u00e0 g\u00ec?<\/strong><\/em><\/span><\/h3>\n

    Polypropylene (PP) l\u00e0 m\u1ed9t lo\u1ea1i nh\u1ef1a nhi\u1ec7t d\u1ebbo c\u00f3 m\u1eadt \u0111\u1ed9 th\u1ea5p, ch\u1ecbu \u1ee9ng su\u1ea5t \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb monome propene (ho\u1eb7c propylen). C\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc c\u1ee7a lo\u1ea1i nh\u1ef1a hydrocarbon tuy\u1ebfn t\u00ednh n\u00e0y l\u00e0 (C3H6)n. N\u00f3 \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 khoa h\u1ecdc \u00dd ph\u00e1t hi\u1ec7n v\u00e0o gi\u1eefa nh\u1eefng n\u0103m 1950 v\u00e0 hi\u1ec7n l\u00e0 lo\u1ea1i nh\u1ef1a \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t nhi\u1ec1u th\u1ee9 hai sau polyethylene.<\/span><\/p>\n

    Polypropylene l\u00e0 v\u1eadt li\u1ec7u nhi\u1ec7t d\u1ebbo v\u00e0 do \u0111\u00f3, n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111un n\u00f3ng \u0111\u1ebfn \u0111i\u1ec3m n\u00f3ng ch\u1ea3y, l\u00e0m l\u1ea1nh v\u00e0 sau \u0111\u00f3 \u0111un n\u00f3ng l\u1ea1i m\u00e0 kh\u00f4ng b\u1ecb h\u01b0 h\u1ecfng \u0111\u00e1ng k\u1ec3. T\u00ednh ch\u1ea5t n\u00e0y, c\u00f9ng v\u1edbi kh\u1ea3 n\u0103ng h\u00f3a l\u1ecfng thay v\u00ec ch\u00e1y khi ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao, l\u00e0 hai \u0111\u1eb7c t\u00ednh quan tr\u1ecdng khi\u1ebfn polypropylene tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn cho c\u00e1c \u1ee9ng d\u1ee5ng s\u1ea3n xu\u1ea5t nh\u01b0 \u0111\u00fac phun. M\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m kh\u00e1c c\u1ee7a v\u1eadt li\u1ec7u n\u00e0y l\u00e0:<\/span><\/p>\n

      \n
    1. Kh\u1ea3 n\u0103ng ch\u1ed1ng h\u00f3a ch\u1ea5t: polypropylene c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i c\u00e1c baz\u01a1 v\u00e0 axit pha lo\u00e3ng, khi\u1ebfn n\u00f3 tr\u1edf n\u00ean l\u00fd t\u01b0\u1edfng cho c\u00e1c th\u00f9ng ch\u1ee9a ch\u1ea5t l\u1ecfng nh\u01b0 dung d\u1ecbch t\u1ea9y r\u1eeda.<\/span><\/li>\n
    2. \u0110\u1ed9 dai: polypropylene c\u00f3 \u0111\u1ed9 \u0111\u00e0n h\u1ed3i trong ph\u1ea1m vi \u0111\u1ed9 l\u1ec7ch h\u1ea1n ch\u1ebf, nh\u01b0ng n\u00f3 c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c coi l\u00e0 v\u1eadt li\u1ec7u dai v\u00ec n\u00f3 b\u1ecb bi\u1ebfn d\u1ea1ng d\u1ebbo trong giai \u0111o\u1ea1n \u0111\u1ea7u c\u1ee7a qu\u00e1 tr\u00ecnh bi\u1ebfn d\u1ea1ng. \u0110\u1ed9 dai \u0111\u1ec1 c\u1eadp \u0111\u1ebfn kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng v\u00e0 u\u1ed1n cong m\u00e0 kh\u00f4ng b\u1ecb n\u1ee9t c\u1ee7a v\u1eadt li\u1ec7u.<\/span><\/li>\n
    3. C\u00e1ch \u0111i\u1ec7n: polypropylene c\u00f3 \u0111i\u1ec7n tr\u1edf cao, khi\u1ebfn n\u00f3 tr\u1edf n\u00ean l\u00fd t\u01b0\u1edfng cho c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n t\u1eed.<\/span><\/li>\n<\/ol>\n

      \"\"<\/span><\/p>\n

      Polypropylene \u0111\u01b0\u1ee3c t\u1ea1o ra<\/strong><\/em><\/span><\/h3>\n

      Polypropylene \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng c\u00e1ch tr\u00f9ng h\u1ee3p kh\u00ed propylene b\u1eb1ng h\u1ec7 th\u1ed1ng x\u00fac t\u00e1c, th\u01b0\u1eddng l\u00e0 ch\u1ea5t x\u00fac t\u00e1c Ziegler-Natta ho\u1eb7c metalocen. C\u00e1c th\u00f4ng s\u1ed1 tr\u00f9ng h\u1ee3p, bao g\u1ed3m nhi\u1ec7t \u0111\u1ed9, \u00e1p su\u1ea5t v\u00e0 n\u1ed3ng \u0111\u1ed9 ch\u1ea5t ph\u1ea3n \u1ee9ng, \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh theo c\u1ea5p polyme mong mu\u1ed1n. M\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t kh\u00e1c nhau c\u00f3 th\u1ec3 x\u1ea3y ra trong quy tr\u00ecnh pha kh\u00ed ho\u1eb7c pha l\u1ecfng:<\/span><\/p>\n

        \n
      1. Quy tr\u00ecnh pha kh\u00ed: ph\u1ea3n \u1ee9ng x\u1ea3y ra trong l\u00f2 ph\u1ea3n \u1ee9ng t\u1ea7ng s\u00f4i \u1edf nhi\u1ec7t \u0111\u1ed9 t\u1eeb 70\u00b0C \u0111\u1ebfn 100\u00b0C v\u00e0 \u00e1p su\u1ea5t t\u1eeb \u200b\u200b1-20 atm. Propan v\u00e0 hydro \u0111\u01b0\u1ee3c v\u1eadn chuy\u1ec3n qua t\u1ea7ng x\u00fac t\u00e1c n\u00e0y. Propan \u0111\u01b0\u1ee3c chuy\u1ec3n th\u00e0nh polypropylene d\u01b0\u1edbi d\u1ea1ng b\u1ed9t m\u1ecbn, sau \u0111\u00f3 \u0111\u01b0\u1ee3c t\u00e1ch kh\u1ecfi propan v\u00e0 hydro ch\u01b0a ph\u1ea3n \u1ee9ng b\u1eb1ng b\u1ed9 t\u00e1ch xyclon. Cu\u1ed1i c\u00f9ng, b\u1ed9t m\u1ecbn n\u00e0y \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh vi\u00ean v\u00e0 sau \u0111\u00f3 s\u1eb5n s\u00e0ng \u0111\u1ec3 s\u1eed d\u1ee5ng ti\u1ebfp. Nh\u00ecn chung, hi\u1ec7u qu\u1ea3 tr\u00f9ng h\u1ee3p pha kh\u00ed c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ch\u1ea5t x\u00fac t\u00e1c c\u00f3 ho\u1ea1t t\u00ednh cao \u0111\u1ec3 lo\u1ea1i b\u1ecf kh\u00ed v\u00e0 n\u01b0\u1edbc th\u1ea3i.<\/span><\/li>\n
      2. Quy tr\u00ecnh Spheripol: quy tr\u00ecnh tr\u00f9ng h\u1ee3p n\u00e0y s\u1eed d\u1ee5ng propan, etylen v\u00e0 hydro \u0111\u1ec3 s\u1ea3n xu\u1ea5t polypropylene. Ph\u1ea3n \u1ee9ng x\u1ea3y ra b\u1eb1ng c\u00e1ch treo c\u00e1c \u0111\u01a1n v\u1ecb ch\u1ea5t x\u00fac t\u00e1c v\u00e0 monome trong dung m\u00f4i tr\u01a1, ch\u1eb3ng h\u1ea1n nh\u01b0 hydrocarbon nh\u1eb9. B\u00f9n monome v\u00e0 ch\u1ea5t x\u00fac t\u00e1c \u0111\u01b0\u1ee3c b\u01a1m v\u00e0o m\u1ed9t ho\u1eb7c hai l\u00f2 ph\u1ea3n \u1ee9ng pha kh\u00ed khu\u1ea5y th\u1eb3ng \u0111\u1ee9ng, n\u01a1i x\u1ea3y ra qu\u00e1 tr\u00ecnh tr\u00f9ng h\u1ee3p. Sau khi qu\u00e1 tr\u00ecnh tr\u00f9ng h\u1ee3p ho\u00e0n t\u1ea5t, h\u1ed7n h\u1ee3p monome v\u00e0 b\u1ed9t polyme \u0111\u01b0\u1ee3c th\u1ea3i ra kh\u1ecfi l\u00f2 ph\u1ea3n \u1ee9ng qua c\u00e1c \u1ed1ng nh\u00fang, trong khi monome ch\u01b0a ph\u1ea3n \u1ee9ng \u0111\u01b0\u1ee3c t\u00e1i ch\u1ebf tr\u1edf l\u1ea1i l\u00f2 ph\u1ea3n \u1ee9ng kh\u00ed khu\u1ea5y. Sau \u0111\u00f3, polyme \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef \u0111\u1ec3 s\u1eed d\u1ee5ng sau.<\/span><\/li>\n<\/ol>\n

        \"\"<\/span><\/p>\n

        C\u00f4ng d\u1ee5ng ch\u00ednh c\u1ee7a Polypropylene<\/strong><\/em><\/span><\/h3>\n

        Polypropylene \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p bao g\u1ed3m:<\/span><\/p>\n

          \n
        1. X\u1eed l\u00fd v\u1eadt li\u1ec7u<\/span><\/li>\n
        2. Bao b\u00ec<\/span><\/li>\n
        3. Thi\u1ebft b\u1ecb y t\u1ebf<\/span><\/li>\n
        4. Qu\u1ea7n \u00e1o<\/span><\/li>\n
        5. Ph\u1ee5 t\u00f9ng \u00f4 t\u00f4<\/span><\/li>\n
        6. \u0110\u1ed3 gia d\u1ee5ng<\/span><\/li>\n
        7. \u0110\u1ed3 ch\u01a1i<\/span><\/li>\n<\/ol>\n

          Ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111\u00f3ng g\u00f3i s\u1eed d\u1ee5ng polypropylen thay th\u1ebf cho gi\u1ea5y v\u00e0 gi\u1ea5y b\u00f3ng k\u00ednh, ch\u1ee7 y\u1ebfu l\u00e0 do chi ph\u00ed th\u1ea5p v\u00e0 t\u00ednh linh ho\u1ea1t c\u1ee7a n\u00f3. Pallet, chai, l\u1ecd, h\u1ed9p \u0111\u1ef1ng s\u1eefa chua, c\u1ed1c \u0111\u1ef1ng \u0111\u1ed3 u\u1ed1ng n\u00f3ng v\u00e0 bao b\u00ec th\u1ef1c ph\u1ea9m l\u00e0 m\u1ed9t s\u1ed1 s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng v\u1eadt li\u1ec7u n\u00e0y. Polypropylen c\u0169ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00f4 t\u00f4 \u0111\u1ec3 s\u1ea3n xu\u1ea5t pin, c\u1ea3n, b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n, c\u00e1c b\u1ed9 ph\u1eadn n\u1ed9i th\u1ea5t v\u00e0 vi\u1ec1n c\u1eeda. Do kh\u1ea3 n\u0103ng ch\u1ed1ng kh\u1eed tr\u00f9ng b\u1eb1ng h\u00f3a ch\u1ea5t, vi khu\u1ea9n v\u00e0 h\u01a1i n\u01b0\u1edbc, polypropylen c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u \u1ee9ng d\u1ee5ng y t\u1ebf, ch\u1eb3ng h\u1ea1n nh\u01b0 \u1ed1ng ti\u00eam d\u00f9ng m\u1ed9t l\u1ea7n, thi\u1ebft b\u1ecb ch\u1ea9n \u0111o\u00e1n, \u0111\u0129a Petri, chai truy\u1ec1n d\u1ecbch v\u00e0 h\u1ed9p \u0111\u1ef1ng thu\u1ed1c.<\/span><\/p>\n

          M\u1eb7c d\u00f9 c\u00f3 m\u1ed9t s\u1ed1 c\u00e1ch kh\u00e1c nhau \u0111\u1ec3 x\u1eed l\u00fd polypropylen v\u00e0 nh\u1ef1a n\u00f3i chung, nh\u01b0ng \u00e9p phun l\u00e0 quy tr\u00ecnh s\u1ea3n xu\u1ea5t ph\u1ed5 bi\u1ebfn nh\u1ea5t. Polypropylen ph\u1ea3n \u1ee9ng nhanh v\u1edbi t\u1ed1c \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t phun, v\u00e0 n\u00f3 h\u00ecnh th\u00e0nh nhanh ch\u00f3ng trong khu\u00f4n, cho ph\u00e9p th\u1ee3 \u0111\u00fac \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u1ed1c \u0111\u1ed9 s\u1ea3n xu\u1ea5t cao. Nh\u1edd s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a nhi\u1ec1u thu\u1ed9c t\u00ednh hi\u1ec7u su\u1ea5t, lo\u1ea1i polymer n\u00e0y c\u00f3 v\u1ecb tr\u00ed quan tr\u1ecdng trong th\u1ecb tr\u01b0\u1eddng \u00e9p phun.<\/span><\/p>\n

          \"\"<\/span><\/p>\n

          S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa Polypropylene v\u00e0 Polystyrene<\/strong><\/em><\/span><\/h3>\n

          S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa polypropylene v\u00e0 polystyrene l\u00e0 polypropylene c\u1ee9ng h\u01a1n. \u1ede c\u1ea5p \u0111\u1ed9 ph\u00e2n t\u1eed, monome c\u1ee7a polystyrene l\u00e0 styrene, trong khi monome c\u1ee7a polypropylene l\u00e0 propylen. H\u01a1n n\u1eefa, nh\u00f3m treo c\u1ee7a polystyrene l\u00e0 nh\u00f3m phenyl, trong khi nh\u00f3m treo c\u1ee7a polypropylene l\u00e0 nh\u00f3m methyl. T\u00ednh chi\u1ebfn thu\u1eadt c\u1ee7a polyme \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi c\u00e1c nh\u00f3m g\u1eafn k\u1ebft n\u00e0y. B\u00e2y gi\u1edd ch\u00fang ta h\u00e3y xem x\u00e9t m\u1ed9t ph\u00e1c th\u1ea3o ng\u1eafn g\u1ecdn v\u1ec1 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a hai v\u1eadt li\u1ec7u n\u00e0y gi\u00fap ph\u00e2n bi\u1ec7t ch\u00fang v\u1edbi nhau:<\/span><\/p>\n

            \n
          1. Quy tr\u00ecnh s\u1ea3n xu\u1ea5t: polypropylene \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng ph\u1ea3n \u1ee9ng tr\u00f9ng h\u1ee3p t\u0103ng tr\u01b0\u1edfng chu\u1ed7i, trong khi polystyrene \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng ph\u1ea3n \u1ee9ng tr\u00f9ng h\u1ee3p vinyl g\u1ed1c t\u1ef1 do.<\/span><\/li>\n
          2. C\u00f4ng d\u1ee5ng: c\u1ed1c u\u1ed1ng n\u01b0\u1edbc d\u00f9ng m\u1ed9t l\u1ea7n, \u0111\u1ed3 gia d\u1ee5ng v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn v\u1ecf m\u00e1y t\u00ednh \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng polystyrene, trong khi polypropylene \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m h\u1ed9p \u0111\u1ef1ng, bao b\u00ec v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn \u00f4 t\u00f4.<\/span><\/li>\n
          3. Kh\u1ea3 n\u0103ng ch\u1ed1ng h\u00f3a ch\u1ea5t: polystyrene c\u00f3 m\u1ed9t s\u1ed1 kh\u1ea3 n\u0103ng ch\u1ed1ng axit v\u00e0 baz\u01a1, m\u1eb7c d\u00f9 kh\u00f4ng b\u1eb1ng polypropylene \u0111\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 h\u00f3a ch\u1ea5t.<\/span><\/li>\n
          4. Kh\u1ea3 n\u0103ng t\u00e1i s\u1eed d\u1ee5ng: c\u00e1c s\u1ea3n ph\u1ea9m polystyrene th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u1edbi s\u1ed1 l\u01b0\u1ee3ng l\u1edbn v\u00e0 b\u1ecb th\u1ea3i b\u1ecf sau m\u1ed9t l\u1ea7n s\u1eed d\u1ee5ng v\u00ec ch\u00fang\u00a0 kh\u00f4ng ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 tr\u00ean 100\u00b0C. Kh\u00f4ng gi\u1ed1ng nh\u01b0 polystyrene, c\u00e1c s\u1ea3n ph\u1ea9m polypropylene c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00e1i s\u1eed d\u1ee5ng nhi\u1ec1u l\u1ea7n.<\/span><\/li>\n<\/ol>\n

            \"\"<\/span><\/p>\n

            S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa polyester v\u00e0 polypropylene l\u00e0 polyester c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 m\u1ed9t s\u1ed1 n\u01b0\u1edbc trong khi polypropylene th\u00ec kh\u00f4ng. C\u1ea3 polypropylene v\u00e0 polyester \u0111\u1ec1u l\u00e0 v\u1eadt li\u1ec7u polyme nh\u01b0ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c t\u00ecnh hu\u1ed1ng kh\u00e1c nhau t\u00f9y thu\u1ed9c v\u00e0o c\u00e1c \u0111\u1eb7c t\u00ednh h\u00f3a h\u1ecdc v\u00e0 v\u1eadt l\u00fd m\u00e0 s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng c\u1ea7n c\u00f3. B\u00e2y gi\u1edd ch\u00fang ta h\u00e3y xem qua m\u1ed9t ph\u00e1c th\u1ea3o ng\u1eafn g\u1ecdn v\u1ec1 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a hai v\u1eadt li\u1ec7u n\u00e0y gi\u00fap ph\u00e2n bi\u1ec7t ch\u00fang v\u1edbi nhau:<\/span><\/p>\n

              \n
            1. Quy tr\u00ecnh s\u1ea3n xu\u1ea5t: polypropylene \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng c\u00e1ch tr\u00f9ng h\u1ee3p c\u1ed9ng propylene, trong khi polyester \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng c\u00e1ch tr\u00f9ng h\u1ee3p ng\u01b0ng t\u1ee5 gi\u1eefa m\u1ed9t diol v\u00e0 m\u1ed9t axit dicarboxylic.<\/span><\/li>\n
            2. Kh\u1ea3 n\u0103ng ch\u1ed1ng tia c\u1ef1c t\u00edm v\u00e0 nhi\u1ec7t: polypropylene c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u ph\u00e2n h\u1ee7y khi ti\u1ebfp x\u00fac v\u1edbi tia c\u1ef1c t\u00edm v\u00e0 nhi\u1ec7t \u0111\u1ed9 c\u1ef1c cao trong th\u1eddi gian d\u00e0i h\u01a1n, trong khi polyester c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n v\u00e0 ch\u1ed1ng tia c\u1ef1c t\u00edm.<\/span><\/li>\n
            3. Kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 \u0111\u1ed9 \u1ea9m: v\u00ec polypropylene ph\u00e2n t\u00e1n \u0111\u1ed9 \u1ea9m thay v\u00ec h\u1ea5p th\u1ee5 \u0111\u1ed9 \u1ea9m, polypropylene c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng n\u01b0\u1edbc t\u1ed1t h\u01a1n polyester v\u00e0 do \u0111\u00f3, \u0111\u00e2y l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn t\u1ed1t cho trang ph\u1ee5c th\u1ec3 thao.<\/span><\/li>\n
            4. Chi ph\u00ed: m\u1eb7c d\u00f9 polypropylene th\u01b0\u1eddng r\u1ebb h\u01a1n polyester khi s\u1ea3n xu\u1ea5t, nh\u01b0ng \u0111i\u1ec1u n\u00e0y kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 s\u1ea3n ph\u1ea9m ho\u00e0n thi\u1ec7n s\u1ebd r\u1ebb h\u01a1n. Gi\u00e1 c\u1ea3 b\u1ecb \u1ea3nh h\u01b0\u1edfng r\u1ea5t nhi\u1ec1u b\u1edfi c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 t\u00ean th\u01b0\u01a1ng hi\u1ec7u v\u00e0 danh m\u1ee5c s\u1ea3n ph\u1ea9m.<\/span><\/li>\n
            5. C\u00f4ng d\u1ee5ng: polypropylene ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh bao b\u00ec, trong khi polyester th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh d\u1ec7t may<\/span><\/li>\n<\/ol>\n

              K\u1ebft lu\u1eadn v\u1ec1 h\u1ea1t nh\u1ef1a PP<\/strong><\/em><\/span><\/h3>\n

              Do t\u00ednh linh ho\u1ea1t, \u0111\u1ed9 b\u1ec1n, kh\u1ea3 n\u0103ng ch\u1ed1ng h\u00f3a ch\u1ea5t v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh quan tr\u1ecdng kh\u00e1c, polypropylene \u0111\u00e3 t\u00ecm th\u1ea5y \u1ee9ng d\u1ee5ng c\u1ee7a m\u00ecnh trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau, trong \u0111\u00f3 ng\u00e0nh c\u00f4ng nghi\u1ec7p bao b\u00ec l\u00e0 ng\u00e0nh s\u1eed d\u1ee5ng nhi\u1ec1u nh\u1ea5t. Polyme nhi\u1ec7t d\u1ebbo kh\u00f4ng ch\u1ee9a BPA n\u00e0y kh\u00f4ng \u0111\u01b0\u1ee3c coi l\u00e0 g\u00e2y nguy hi\u1ec3m cho s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi, nh\u01b0ng n\u00f3 c\u00f3 th\u1ec3 b\u1ecb h\u1ecfng ho\u1eb7c th\u1eadm ch\u00ed r\u00f2 r\u1ec9 h\u00f3a ch\u1ea5t khi ti\u1ebfp x\u00fac nhi\u1ec1u v\u1edbi tia UV ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 c\u1ef1c cao. C\u00f3 m\u1ed9t s\u1ed1 quy tr\u00ecnh \u0111\u00fac kh\u00e1c nhau \u0111\u1ec3 s\u1ea3n xu\u1ea5t nh\u1ef1a, nh\u01b0ng polypropylene ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng k\u1ef9 thu\u1eadt \u0111\u00fac phun.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

              T\u1ea5t c\u1ea3 v\u1ec1 h\u1ea1t nh\u1ef1a Polypropylene: C\u00e1ch s\u1ea3n xu\u1ea5t v\u00e0 s\u1eed d\u1ee5ng h\u1ea1t nh\u1ef1a PP H\u1ea1t nh\u1ef1a polypropylene l\u00e0 m\u1ed9t lo\u1ea1i nh\u1ef1a polyme hydrocarbon tuy\u1ebfn t\u00ednh nhi\u1ec7t d\u1ebbo b\u00e1n c\u1ee9ng, ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00e0 b\u1ec1n, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng h\u00f3a ch\u1ea5t, \u0111i\u1ec7n v\u00e0 m\u1ecfi tuy\u1ec7t v\u1eddi \u1edf nhi\u1ec7t \u0111\u1ed9 cao. N\u00f3 \u0111\u01b0\u1ee3c coi l\u00e0 … <\/p>\n

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