{"id":1363,"date":"2023-07-07T10:57:26","date_gmt":"2023-07-07T03:57:26","guid":{"rendered":"https:\/\/hadupack.com\/?post_type=product&p=1363"},"modified":"2026-01-03T09:23:19","modified_gmt":"2026-01-03T02:23:19","slug":"hat-nhua-pmma","status":"publish","type":"product","link":"https:\/\/hadupack.com\/en\/san-pham\/hat-nhua-pmma\/","title":{"rendered":"H\u1ea1t nh\u1ef1a PMMA"},"content":{"rendered":"

H\u1ea1t nh\u1ef1a PMMA l\u00e0 g\u00ec?<\/strong><\/em><\/span><\/h2>\n

Poly (methyl methacrylate) l\u00e0 t\u00ean khoa h\u1ecdc c\u1ee7a lo\u1ea1i polyme t\u1ed5ng h\u1ee3p th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 acrylic, th\u1ee7y tinh acrylic v\u00e0 plexiglass. Khi kh\u00f4ng \u0111\u01b0\u1ee3c bi\u1ebfn \u0111\u1ed5i, n\u00f3 gi\u00f2n, trong su\u1ed1t v\u00e0 nh\u1eb9. N\u00f3 truy\u1ec1n \u00e1nh s\u00e1ng v\u00e0 khi \u0111\u01b0\u1ee3c bi\u1ebfn \u0111\u1ed5i, n\u00f3 c\u00f3 nhi\u1ec1u t\u00f9y ch\u1ecdn \u0111\u00fac m\u00e0u, k\u1ebft c\u1ea5u v\u00e0 h\u00ecnh d\u1ea1ng. N\u00f3 \u0111\u01b0\u1ee3c m\u1ed9t nh\u00e0 h\u00f3a h\u1ecdc ng\u01b0\u1eddi Ph\u00e1p ph\u00e1t hi\u1ec7n l\u1ea7n \u0111\u1ea7u ti\u00ean v\u00e0o n\u0103m 1893, nh\u01b0ng \u1ee9ng d\u1ee5ng th\u01b0\u01a1ng m\u1ea1i c\u1ee7a n\u00f3 kh\u00f4ng \u0111\u01b0\u1ee3c ph\u1ed5 bi\u1ebfn cho \u0111\u1ebfn n\u0103m 1993 khi Otto Rohm \u0111\u01b0a n\u00f3 ra th\u1ecb tr\u01b0\u1eddng d\u01b0\u1edbi d\u1ea1ng s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Plexiglas.<\/span><\/p>\n

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

    \n
  1. https:\/\/hadupack.com\/san-pham\/hat-nhua-pla\/<\/span><\/a><\/span><\/li>\n
  2. https:\/\/hadupack.com\/san-pham\/hat-nhua-pom\/<\/a><\/span><\/li>\n
  3. https:\/\/hadupack.com\/san-pham\/hat-nhua-pp\/<\/a><\/span><\/li>\n<\/ol>\n

    C\u1ea5u tr\u00fac h\u00f3a h\u1ecdc c\u1ee7a PMMA<\/strong><\/em><\/span><\/h3>\n
      \n
    1. T\u00ednh ch\u1ea5t khoa h\u1ecdc: PMMA c\u00f3 \u0111i\u1ec3m n\u00f3ng ch\u1ea3y l\u00e0 320\u00b0F v\u00e0 c\u00f3 ph\u1ea1m vi m\u1eadt \u0111\u1ed9 t\u1eeb 1,17-1,20 g\/cm3. N\u00f3 kh\u00f4ng g\u1eb7p ph\u1ea3n \u1ee9ng n\u00e0o khi h\u00f2a tan trong n\u01b0\u1edbc khi so s\u00e1nh v\u1edbi c\u00e1c lo\u1ea1i polyme v\u00e0 nh\u1ef1a kh\u00e1c, n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng tr\u1ea7y x\u01b0\u1edbc cao. Th\u00f4ng th\u01b0\u1eddng, n\u1ebfu b\u1ec1 m\u1eb7t v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o t\u1eeb PMMA b\u1ecb h\u01b0 h\u1ecfng, nguy\u00ean nh\u00e2n c\u00f3 th\u1ec3 l\u00e0 do ti\u1ebfp x\u00fac v\u1edbi c\u00e1c h\u00f3a ch\u1ea5t hydrocarbon th\u01a1m ho\u1eb7c clo, este ho\u1eb7c ketone.<\/span><\/li>\n
    2. Ch\u1ed1ng \u1ed3n v\u00e0 ch\u1ed1ng v\u1ee1: PMMA c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m s\u1ef1 truy\u1ec1n s\u00f3ng \u00e2m b\u00ean ngo\u00e0i, khi\u1ebfn n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u1ed3n. N\u00f3 l\u00e0 ch\u1ea5t c\u00e1ch \u0111i\u1ec7n c\u00f3 l\u1ee3i khi x\u00e2y d\u1ef1ng c\u00e1c khu v\u1ef1c c\u00f3 \u00fd \u0111\u1ecbnh \u0111\u01b0a \u00e2m thanh v\u00e0o b\u00ean trong v\u00e0 lo\u1ea1i tr\u1eeb \u00e2m thanh b\u00ean ngo\u00e0i. M\u1ed9t s\u1ed1 v\u00ed d\u1ee5 v\u1ec1 \u0111i\u1ec1u n\u00e0y l\u00e0 ph\u00f2ng thu \u00e2m, th\u01b0 vi\u1ec7n, ph\u00f2ng y\u00ean t\u0129nh v\u00e0 th\u1eadm ch\u00ed l\u00e0 \u00f4 t\u00f4. Do \u0111\u1ed9 b\u1ec1n c\u1ee7a n\u00f3, PMMA \u00edt c\u00f3 kh\u1ea3 n\u0103ng b\u1ecb v\u1ee1 h\u01a1n so v\u1edbi k\u00ednh t\u01b0\u01a1ng \u0111\u01b0\u01a1ng. V\u00ec n\u00f3 ch\u1ed1ng v\u1ee1 n\u00ean n\u00f3 l\u00e0 v\u1eadt li\u1ec7u thay th\u1ebf tuy\u1ec7t v\u1eddi cho k\u00ednh khi x\u00e2y d\u1ef1ng c\u1eeda s\u1ed5, gi\u1ebfng tr\u1eddi h\u00ecnh v\u00f2m, bi\u1ec3n b\u00e1o v\u00e0 m\u00e0n h\u00ecnh.<\/span><\/li>\n
    3. T\u00ednh b\u1ec1n v\u1eefng v\u1ec1 m\u00f4i tr\u01b0\u1eddng: PMMA r\u1ea5t h\u1eefu \u00edch khi s\u1eed d\u1ee5ng ngo\u00e0i tr\u1eddi. N\u00f3 s\u1ebd kh\u00f4ng b\u1ecb \u0103n m\u00f2n v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i tia c\u1ef1c t\u00edm, th\u1eddi ti\u1ebft v\u00e0 h\u1ea7u h\u1ebft c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng kh\u00e1c. PMMA l\u00e0 m\u1ed9t trong nh\u1eefng lo\u1ea1i nh\u1ef1a an to\u00e0n h\u01a1n, v\u1eeba c\u00f3 th\u1ec3 t\u00e1i ch\u1ebf v\u1eeba kh\u00f4ng ch\u1ee9a BPA. \u0110i\u1ec1u n\u00e0y l\u00e0m cho PMMA tr\u1edf n\u00ean b\u1ec1n v\u1eefng \u0111\u00e1ng k\u1ec3.<\/span><\/li>\n<\/ol>\n

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

      PMMA \u0111\u01b0\u1ee3c t\u1ea1o ra nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/em><\/span><\/h3>\n

      PMMA \u0111\u01b0\u1ee3c t\u1ea1o ra th\u00f4ng qua m\u1ed9t qu\u00e1 tr\u00ecnh g\u1ecdi l\u00e0 tr\u00f9ng h\u1ee3p. Methyl methacrylate \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o khu\u00f4n c\u00f9ng v\u1edbi ch\u1ea5t x\u00fac t\u00e1c \u0111\u01b0\u1ee3c th\u00eam v\u00e0o \u0111\u1ec3 \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh. Nh\u1edd qu\u00e1 tr\u00ecnh n\u00e0y, PMMA c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh h\u00ecnh th\u00e0nh nhi\u1ec1u d\u1ea1ng nh\u01b0 t\u1ea5m, kh\u1ed1i, nh\u1ef1a v\u00e0 h\u1ea1t. N\u1ebfu mu\u1ed1n, keo acrylic s\u1ebd gi\u00fap l\u00e0m m\u1ec1m c\u00e1c m\u1ea3nh v\u00e0 h\u00e0n ch\u00fang l\u1ea1i v\u1edbi nhau.<\/span><\/p>\n

      PMMA c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng thao t\u00e1c theo nhi\u1ec1u c\u00e1ch. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c, gi\u00fap t\u0103ng c\u01b0\u1eddng c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a n\u00f3. Th\u00f4ng qua qu\u00e1 tr\u00ecnh t\u1ea1o h\u00ecnh nhi\u1ec7t, n\u00f3 d\u1ebbo khi \u0111\u01b0\u1ee3c nung n\u00f3ng v\u00e0 \u0111\u00f4ng c\u1ee9ng khi ngu\u1ed9i. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh c\u1ee1 ph\u00f9 h\u1ee3p th\u00f4ng qua vi\u1ec7c s\u1eed d\u1ee5ng c\u01b0a ho\u1eb7c c\u1eaft laser. N\u1ebfu \u0111\u01b0\u1ee3c \u0111\u00e1nh b\u00f3ng, m\u1ecdi v\u1ebft x\u01b0\u1edbc s\u1ebd \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf kh\u1ecfi b\u1ec1 m\u1eb7t, gi\u00fap duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a n\u00f3.<\/span><\/p>\n

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

      PMMA \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m g\u00ec?<\/strong><\/em><\/span><\/h3>\n

      Nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p s\u1eed d\u1ee5ng PMMA v\u00ec n\u00f3 r\u1ea5t linh ho\u1ea1t. Sau \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn:<\/span><\/p>\n

        \n
      1. C\u1ea3i thi\u1ec7n nh\u00e0 c\u1eeda & Ki\u1ebfn tr\u00fac: Khi n\u00f3i \u0111\u1ebfn x\u00e2y d\u1ef1ng, PMMA r\u1ea5t h\u1eefu \u00edch. N\u00f3 th\u01b0\u1eddng l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn cho gi\u1ebfng tr\u1eddi ch\u1ed1ng v\u1ee1. N\u00f3 c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong nhi\u1ec1u ph\u00f2ng t\u1eafm v\u00f2i sen v\u00e0 ph\u00f2ng t\u1eafm, nhi\u1ec1u ng\u01b0\u1eddi th\u1eadm ch\u00ed c\u00f2n th\u00edch g\u1ea1ch acrylic h\u01a1n g\u1ea1ch men. Nh\u01b0 \u0111\u00e3 \u0111\u1ec1 c\u1eadp tr\u01b0\u1edbc \u0111\u00f3, acrylic c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong nhi\u1ec1u ph\u00f2ng c\u00e1ch \u00e2m, ph\u00f2ng thu \u00e2m v\u00e0 \u00f4 t\u00f4.<\/span><\/li>\n
      2. D\u1ef1 \u00e1n t\u1ef1 l\u00e0m: Cho d\u00f9 l\u00e0 \u0111\u1ec3 l\u00e0m vi\u1ec7c hay gi\u1ea3i tr\u00ed, PMMA l\u00e0 v\u1eadt li\u1ec7u tuy\u1ec7t v\u1eddi cho c\u00e1c d\u1ef1 \u00e1n t\u1ef1 l\u00e0m. PMMA d\u1ec5 gia c\u00f4ng v\u00e0 an to\u00e0n, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c c\u00f4ng tr\u00ecnh ngh\u1ec7 thu\u1eadt v\u00e0 nhi\u1ec1u ki\u1ec3u d\u00e1ng kh\u00e1c nhau. Acrylic c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong nhi\u1ec1u khung \u1ea3nh, \u0111\u1ebf l\u00f3t ly v\u00e0 k\u1ec7 t\u1ef1 l\u00e0m. Ngo\u00e0i ra, \u0111\u00e2y l\u00e0 v\u1eadt li\u1ec7u che ph\u1ee7 b\u00e0n tuy\u1ec7t v\u1eddi v\u00e0 \u0111\u1eb9p m\u1eaft.<\/span><\/li>\n
      3. C\u1eeda s\u1ed5: Acrylic l\u00e0 v\u1eadt li\u1ec7u nh\u1eb9 h\u01a1n, gi\u00fap l\u1eafp \u0111\u1eb7t d\u1ec5 d\u00e0ng h\u01a1n c\u00e1c l\u1ef1a ch\u1ecdn kh\u00e1c nh\u01b0 k\u00ednh. Ngo\u00e0i ra, PMMA kh\u00f4ng d\u1ec5 v\u1ee1 v\u00e0 ngay c\u1ea3 khi c\u1eeda s\u1ed5 b\u1eb1ng plexiglass b\u1ecb v\u1ee1, n\u00f3 s\u1ebd t\u1ea1o ra c\u00e1c m\u1ea3nh c\u00f3 c\u1ea1nh c\u00f9n thay v\u00ec c\u00e1c m\u1ea3nh s\u1eafc nh\u1ecdn.<\/span><\/li>\n
      4. PMMA so v\u1edbi k\u00ednh: Khi so s\u00e1nh v\u1edbi k\u00ednh, PMMA nh\u1eb9 h\u01a1n 50%, trong h\u01a1n 90-92%, b\u1ec1n h\u01a1n v\u00e0 gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng h\u01a1n. N\u00f3 c\u00f3 th\u1ec3 gi\u1eef nguy\u00ean c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a m\u00ecnh trong th\u1eddi gian d\u00e0i ngay c\u1ea3 khi ti\u1ebfp x\u00fac v\u1edbi tia UV v\u00e0 th\u1eddi ti\u1ebft. Ngo\u00e0i ra, PMMA c\u00f2n ch\u1ed1ng tr\u1ea7y x\u01b0\u1edbc. K\u00ednh c\u00f3 xu h\u01b0\u1edbng m\u1ecfng manh v\u00ec d\u1ec5 tr\u1ea7y x\u01b0\u1edbc v\u00e0 v\u1ee1. Khi v\u1ee1, n\u00f3 v\u1ee1 th\u00e0nh nhi\u1ec1u m\u1ea3nh s\u1eafc nh\u1ecdn. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 b\u1ea5t ti\u1ec7n m\u00e0 c\u00f2n nguy hi\u1ec3m. Ng\u01b0\u1ee3c l\u1ea1i, Acrylic v\u1eeba ch\u1ed1ng tr\u1ea7y x\u01b0\u1edbc v\u1eeba ch\u1ed1ng v\u1ee1. V\u00ec nh\u1eefng l\u00fd do n\u00eau tr\u00ean, nhi\u1ec1u ng\u01b0\u1eddi l\u1ef1a ch\u1ecdn PMMA thay th\u1ebf cho k\u00ednh.<\/span><\/li>\n<\/ol>\n

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

        PMMA VS. Polycarbonate<\/strong><\/em><\/span><\/h3>\n

        Polycarbonate th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t th\u00f4ng qua qu\u00e1 tr\u00ecnh \u0111\u00f9n. N\u00f3 b\u1ec1n h\u01a1n acrylic v\u00e0 polycarbonate kh\u00f4ng b\u1eaft l\u1eeda v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng h\u00f3a ch\u1ea5t cao. Polycarbonate s\u1ebd ph\u00f9 h\u1ee3p h\u01a1n cho m\u1ed9t d\u1ef1 \u00e1n \u0111\u00f2i h\u1ecfi v\u1eadt li\u1ec7u g\u1ea7n nh\u01b0 kh\u00f4ng th\u1ec3 ph\u00e1 h\u1ee7y nh\u01b0 c\u1eeda s\u1ed5 ch\u1ed1ng \u0111\u1ea1n ho\u1eb7c r\u00e0o ch\u1eafn s\u00e2n kh\u00fac c\u00f4n c\u1ea7u.<\/span><\/p>\n

        PMMA trong h\u01a1n v\u00e0 s\u00e1ng h\u01a1n polycarbonate. Khi so s\u00e1nh v\u1edbi polycarbonate, PMMA truy\u1ec1n s\u00e1ng t\u1ed1t h\u01a1n, kh\u00f4ng ch\u1ee9a BPA v\u00e0 gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng h\u01a1n polycarbonate. PMMA s\u1ebd ph\u00f9 h\u1ee3p h\u01a1n cho c\u00e1c m\u00e0n h\u00ecnh b\u00e1n l\u1ebb ho\u1eb7c thay th\u1ebf cho k\u00ednh nh\u01b0 c\u1eeda s\u1ed5 ch\u1ed1ng v\u1ee1 ho\u1eb7c th\u00e0nh b\u1ec3 c\u00e1.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

        H\u1ea1t nh\u1ef1a PMMA l\u00e0 g\u00ec? Poly (methyl methacrylate) l\u00e0 t\u00ean khoa h\u1ecdc c\u1ee7a lo\u1ea1i polyme t\u1ed5ng h\u1ee3p th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 acrylic, th\u1ee7y tinh acrylic v\u00e0 plexiglass. Khi kh\u00f4ng \u0111\u01b0\u1ee3c bi\u1ebfn \u0111\u1ed5i, n\u00f3 gi\u00f2n, trong su\u1ed1t v\u00e0 nh\u1eb9. N\u00f3 truy\u1ec1n \u00e1nh s\u00e1ng v\u00e0 khi \u0111\u01b0\u1ee3c bi\u1ebfn \u0111\u1ed5i, n\u00f3 c\u00f3 nhi\u1ec1u t\u00f9y ch\u1ecdn \u0111\u00fac m\u00e0u, k\u1ebft … <\/p>\n

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