{"id":694557,"date":"2024-08-16T14:33:26","date_gmt":"2024-08-16T13:33:26","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=694557"},"modified":"2024-08-16T14:33:26","modified_gmt":"2024-08-16T13:33:26","slug":"polypropylen-kha-nang-chong-hoa-chat-dan-nhiet-thap","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/polypropylen-kha-nang-chong-hoa-chat-dan-nhiet-thap\/","title":{"rendered":"Polypropylen: Kh\u1ea3 N\u0103ng Ch\u1ed1ng H\u00f3a Ch\u1ea5t, D\u1eabn Nhi\u1ec7t Th\u1ea5p"},"content":{"rendered":"

Polypropylen c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng h\u00f3a ch\u1ea5t cao v\u00e0 d\u1eabn nhi\u1ec7t th\u1ea5p, l\u00e0 v\u1eadt li\u1ec7u l\u00fd t\u01b0\u1edfng trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p v\u00e0 d\u00e2n d\u1ee5ng c\u1ea7n t\u00ednh b\u1ec1n b\u1ec9 v\u00e0 c\u00e1ch nhi\u1ec7t.<\/p>\n

\"Polypropylen:<\/p>\n

Polypropylen: Kh\u1ea3 N\u0103ng Ch\u1ed1ng H\u00f3a Ch\u1ea5t, D\u1eabn Nhi\u1ec7t Th\u1ea5p<\/h2>\n

Polypropylen (PP) l\u00e0 m\u1ed9t lo\u1ea1i nh\u1ef1a th\u00f4ng d\u1ee5ng v\u1edbi nhi\u1ec1u \u0111\u1eb7c t\u00ednh v\u01b0\u1ee3t tr\u1ed9i, \u0111\u1eb7c bi\u1ec7t l\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng h\u00f3a ch\u1ea5t v\u00e0 d\u1eabn nhi\u1ec7t th\u1ea5p. Nh\u1eefng \u0111\u1eb7c t\u00ednh n\u00e0y khi\u1ebfn polypropylen tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho nhi\u1ec1u \u1ee9ng d\u1ee5ng trong k\u1ef9 thu\u1eadt nhi\u1ec7t v\u00e0 c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t.<\/p>\n

Kh\u1ea3 N\u0103ng Ch\u1ed1ng H\u00f3a Ch\u1ea5t<\/h2>\n

Polypropylen c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i nhi\u1ec1u lo\u1ea1i h\u00f3a ch\u1ea5t m\u1ea1nh nh\u01b0 axit, ki\u1ec1m v\u00e0 dung m\u00f4i h\u1eefu c\u01a1. \u0110i\u1ec1u n\u00e0y l\u00e0 do c\u1ea5u tr\u00fac ph\u00e2n t\u1eed c\u1ee7a polypropylen r\u1ea5t b\u1ec1n v\u1eefng, kh\u00f4ng d\u1ec5 b\u1ecb ph\u00e1 h\u1ee7y b\u1edfi c\u00e1c h\u00f3a ch\u1ea5t n\u00e0y. Nh\u1edd v\u00e0o \u0111\u1eb7c t\u00ednh n\u00e0y, polypropylen th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m b\u00ecnh ch\u1ee9a h\u00f3a ch\u1ea5t, \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn v\u00e0 c\u00e1c thi\u1ebft b\u1ecb ph\u00f2ng th\u00ed nghi\u1ec7m.<\/p>\n

<\/p>\n

  • Ch\u1ed1ng l\u1ea1i axit m\u1ea1nh nh\u01b0 HCl v\u00e0 H2<\/sub>SO4<\/sub><\/li>\n
  • \u00cdt b\u1ecb \u0103n m\u00f2n b\u1edfi ki\u1ec1m nh\u01b0 NaOH v\u00e0 KOH<\/li>\n
  • B\u1ec1n v\u1edbi dung m\u00f4i h\u1eefu c\u01a1 nh\u01b0 acetone v\u00e0 toluene<\/li>\n

    <\/u1><\/p>\n

    D\u1eabn Nhi\u1ec7t Th\u1ea5p<\/h2>\n

    Polypropylen c\u00f3 h\u1ec7 s\u1ed1 d\u1eabn nhi\u1ec7t th\u1ea5p (kho\u1ea3ng 0.22 W\/mK), ngh\u0129a l\u00e0 n\u00f3 kh\u00f4ng d\u1ec5 d\u00e0ng truy\u1ec1n nhi\u1ec7t. \u0110i\u1ec1u n\u00e0y gi\u00fap polypropylen tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea7n c\u00e1ch nhi\u1ec7t. V\u00ed d\u1ee5, n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong vi\u1ec7c l\u00e0m l\u1edbp c\u00e1ch nhi\u1ec7t trong c\u00e1c t\u00f2a nh\u00e0 v\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed.<\/p>\n

    M\u1ed9t s\u1ed1 gi\u00e1 tr\u1ecb d\u1eabn nhi\u1ec7t \u0111\u1ed1i v\u1edbi c\u00e1c v\u1eadt li\u1ec7u th\u00f4ng d\u1ee5ng:<\/p>\n

    <\/p>\n

  • Polypropylen: 0.22 W\/mK<\/li>\n
  • Th\u00e9p: 50.2 W\/mK<\/li>\n
  • \u0110\u1ed3ng: 400 W\/mK<\/li>\n

    <\/u1><\/p>\n

    \u1ee8ng D\u1ee5ng Th\u1ef1c T\u1ebf<\/h2>\n

    Nh\u1edd v\u00e0o nh\u1eefng \u0111\u1eb7c t\u00ednh n\u1ed5i b\u1eadt tr\u00ean, polypropylen \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong r\u1ea5t nhi\u1ec1u l\u0129nh v\u1ef1c:<\/p>\n

    <\/p>\n

  • Ng\u00e0nh c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t:<\/b> \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t b\u00ecnh ch\u1ee9a v\u00e0 \u0111\u01b0\u1eddng \u1ed1ng ch\u1ed1ng \u0103n m\u00f2n.<\/li>\n
  • Ng\u00e0nh x\u00e2y d\u1ef1ng:<\/b> L\u00e0m l\u1edbp c\u00e1ch nhi\u1ec7t cho t\u01b0\u1eddng v\u00e0 m\u00e1i nh\u00e0.<\/li>\n
  • Ng\u00e0nh \u0111i\u1ec7n t\u1eed:<\/b> S\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t c\u00e1c thi\u1ebft b\u1ecb c\u00e1ch nhi\u1ec7t v\u00e0 linh ki\u1ec7n \u0111i\u1ec7n t\u1eed.<\/li>\n

    <\/u1><\/p>\n

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

    Polypropylen l\u00e0 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u \u0111a n\u0103ng v\u1edbi nhi\u1ec1u \u01b0u \u0111i\u1ec3m quan tr\u1ecdng, \u0111\u1eb7c bi\u1ec7t l\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng h\u00f3a ch\u1ea5t v\u00e0 d\u1eabn nhi\u1ec7t th\u1ea5p. Nh\u1eefng \u0111\u1eb7c t\u00ednh n\u00e0y l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho nhi\u1ec1u \u1ee9ng d\u1ee5ng trong k\u1ef9 thu\u1eadt v\u00e0 c\u00f4ng nghi\u1ec7p. N\u1ebfu b\u1ea1n c\u1ea7n m\u1ed9t v\u1eadt li\u1ec7u b\u1ec1n v\u1eefng v\u00e0 hi\u1ec7u qu\u1ea3, polypropylen s\u1ebd l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn tuy\u1ec7t v\u1eddi.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Polypropylen c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng h\u00f3a ch\u1ea5t cao v\u00e0 d\u1eabn nhi\u1ec7t th\u1ea5p, l\u00e0 v\u1eadt li\u1ec7u l\u00fd t\u01b0\u1edfng trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p v\u00e0 d\u00e2n d\u1ee5ng c\u1ea7n t\u00ednh b\u1ec1n b\u1ec9 v\u00e0 c\u00e1ch nhi\u1ec7t.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[132],"tags":[],"yoast_head":"\nPolypropylen: Kh\u1ea3 N\u0103ng Ch\u1ed1ng H\u00f3a Ch\u1ea5t, D\u1eabn Nhi\u1ec7t Th\u1ea5p<\/title>\n<meta name=\"description\" content=\"Polypropylen c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng h\u00f3a ch\u1ea5t cao v\u00e0 d\u1eabn nhi\u1ec7t th\u1ea5p, l\u00e0 v\u1eadt li\u1ec7u l\u00fd t\u01b0\u1edfng trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p v\u00e0 d\u00e2n d\u1ee5ng c\u1ea7n t\u00ednh b\u1ec1n b\u1ec9 v\u00e0 c\u00e1ch nhi\u1ec7t.\" \/>\n<meta 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