{"id":4049,"date":"2025-04-07T09:00:24","date_gmt":"2025-04-07T09:00:24","guid":{"rendered":"https:\/\/phongnguyen.vn\/?p=4049"},"modified":"2025-04-17T06:55:07","modified_gmt":"2025-04-17T06:55:07","slug":"de-pu-la-gi","status":"publish","type":"post","link":"https:\/\/phongnguyen.vn\/vi\/de-pu-la-gi\/","title":{"rendered":"\u0110\u1ebf PU L\u00e0 G\u00ec? So S\u00e1nh Chi Ti\u1ebft \u0110\u1ebf Gi\u00e0y PU V\u1edbi \u0110\u1ebf Gi\u00e0y Cao Su"},"content":{"rendered":"

\u0110\u1ebf PU<\/strong><\/a> l\u00e0 m\u1ed9t trong nh\u1eefng ch\u1ea5t li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t trong ng\u00e0nh s\u1ea3n xu\u1ea5t gi\u00e0y d\u00e9p hi\u1ec7n \u0111\u1ea1i.\u00a0 Nh\u1edd \u0111\u1eb7c t\u00ednh linh ho\u1ea1t v\u00e0 th\u00edch nghi cao v\u1edbi nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng, PU \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng t\u1eeb gi\u00e0y th\u1eddi trang cho \u0111\u1ebfn gi\u00e0y lao \u0111\u1ed9ng chuy\u00ean d\u1ee5ng.<\/p>\n

V\u1eady \u0111\u1ebf PU l\u00e0 g\u00ec? Gi\u1eefa \u0111\u1ebf PU nh\u1eb9 nh\u00e0ng v\u00e0 \u0111\u1ebf cao su b\u1ec1n ch\u1eafc, \u0111\u00e2u l\u00e0 l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho b\u1ea1n?\u00a0 H\u00e3y c\u00f9ng Phong Nguy\u00ean<\/strong> t\u00ecm hi\u1ec3u v\u1ec1 \u0111\u1ebf PU trong b\u00e0i vi\u1ebft sau \u0111\u00e2y nh\u00e9!<\/p>\n

\u0110\u1ebf PU l\u00e0 g\u00ec?<\/strong><\/h2>\n

\u0110\u1ebf PU (Polyurethane<\/a>)<\/strong> l\u00e0 lo\u1ea1i \u0111\u1ebf gi\u00e0y \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb nh\u1ef1a Polyurethane, m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u t\u1ed5ng h\u1ee3p c\u00f3 \u0111\u1ed9 b\u1ec1n cao, linh ho\u1ea1t v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n t\u1ed1t.<\/em><\/p><\/blockquote>\n

\"\u0111\u1ebf<\/p>\n

Ch\u1ea5t li\u1ec7u PU \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u1ea7n \u0111\u1ea7u ti\u00ean v\u00e0o n\u0103m 1940 t\u1ea1i M\u1ef9 trong s\u1ea3n xu\u1ea5t \u0111\u1ec7m m\u00fat v\u00e0 c\u00e1c v\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t. T\u1eeb cu\u1ed1i th\u1eadp ni\u00ean 70, c\u00e1c h\u00e3ng gi\u00e0y th\u1ec3 thao l\u1edbn nh\u01b0 Adidas v\u00e0 Puma b\u1eaft \u0111\u1ea7u s\u1eed d\u1ee5ng \u0111\u1ebf PU trong c\u00e1c s\u1ea3n ph\u1ea9m ch\u1ee7 l\u1ef1c c\u1ee7a m\u00ecnh. K\u1ec3 t\u1eeb \u0111\u00f3, \u0111\u1ebf PU \u0111\u00e3 t\u1ea1o ra m\u1ed9t cu\u1ed9c c\u00e1ch m\u1ea1ng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p gi\u00e0y th\u1ec3 thao.<\/p>\n

Quy tr\u00ecnh s\u1ea3n xu\u1ea5t \u0111\u1ebf PU<\/strong><\/h2>\n

Quy tr\u00ecnh s\u1ea3n xu\u1ea5t \u0111\u1ebf PU (Polyurethane) l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh kh\u00e1 ph\u1ee9c t\u1ea1p, \u0111\u00f2i h\u1ecfi s\u1ef1 ch\u00ednh x\u00e1c v\u00e0 k\u1ef9 thu\u1eadt cao \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng. Quy tr\u00ecnh s\u1ea3n xu\u1ea5t \u0111\u1ebf PU th\u01b0\u1eddng tr\u1ea3i qua c\u00e1c b\u01b0\u1edbc sau:<\/p>\n

    \n
  • Chu\u1ea9n b\u1ecb nguy\u00ean li\u1ec7u<\/strong>: C\u00e1c th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb v\u00e0 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng tr\u01b0\u1edbc khi \u0111\u01b0a v\u00e0o s\u1ea3n xu\u1ea5t. C\u00e1c nguy\u00ean li\u1ec7u ch\u00ednh g\u1ed3m polyol, isocyuanate, ch\u1ea5t x\u00fac t\u00e1c v\u00e0 c\u00e1c ch\u1ea5t ph\u1ee5 gia.<\/li>\n
  • Ph\u1ed1i tr\u1ed9n<\/strong>: Sau khi c\u00e1c nguy\u00ean li\u1ec7u \u0111\u00e3 \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb \u0111\u1ea7y \u0111\u1ee7, b\u01b0\u1edbc ti\u1ebfp theo l\u00e0 tr\u1ed9n ch\u00fang l\u1ea1i v\u1edbi nhau. Qu\u00e1 tr\u00ecnh tr\u1ed9n l\u00e0 r\u1ea5t quan tr\u1ecdng v\u00ec n\u1ebfu kh\u00f4ng tr\u1ed9n \u0111\u1ec1u, h\u1ed7n h\u1ee3p s\u1ebd kh\u00f4ng ph\u1ea3n \u1ee9ng ho\u00e0n to\u00e0n v\u00e0 s\u1ea3n ph\u1ea9m \u0111\u1ebf PU s\u1ebd kh\u00f4ng \u0111\u1ea1t ch\u1ea5t l\u01b0\u1ee3ng.<\/li>\n
  • \u0110\u1ed5 khu\u00f4n v\u00e0 t\u1ea1o h\u00ecnh<\/strong>: Sau khi h\u1ed7n h\u1ee3p \u0111\u00e3 \u0111\u01b0\u1ee3c tr\u1ed9n \u0111\u1ec1u, ch\u00fang s\u1ebd \u0111\u01b0\u1ee3c \u0111\u1ed5 v\u00e0o khu\u00f4n \u0111\u1ebf gi\u00e0y. Khu\u00f4n c\u00f3 h\u00ecnh d\u1ea1ng c\u1ee7a \u0111\u1ebf gi\u00e0y v\u00e0 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf theo y\u00eau c\u1ea7u c\u1ee7a s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng.<\/li>\n
  • C\u1ea5p nhi\u1ec7t v\u00e0 \u0111\u00f4ng \u0111\u1eb7c<\/strong>: Sau khi \u0111\u1ed5 h\u1ed7n h\u1ee3p v\u00e0o khu\u00f4n, b\u01b0\u1edbc ti\u1ebfp theo l\u00e0 cung c\u1ea5p nhi\u1ec7t \u0111\u1ec3 k\u00edch ho\u1ea1t ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc, gi\u00fap li\u00ean k\u1ebft c\u00e1c ph\u00e2n t\u1eed trong PU. Nhi\u1ec7t \u0111\u1ed9 trong qu\u00e1 tr\u00ecnh n\u00e0y c\u00f3 th\u1ec3 dao \u0111\u1ed9ng t\u1eeb 60\u00b0C \u0111\u1ebfn 120\u00b0C, t\u00f9y thu\u1ed9c v\u00e0o y\u00eau c\u1ea7u s\u1ea3n ph\u1ea9m v\u00e0 lo\u1ea1i PU c\u1ea7n s\u1ea3n xu\u1ea5t.<\/li>\n
  • L\u00e0m ngu\u1ed9i v\u00e0 th\u00e1o khu\u00f4n<\/strong>: Sau khi \u0111\u1ebf PU \u0111\u00e3 ho\u00e0n th\u00e0nh qu\u00e1 tr\u00ecnh \u0111\u00f4ng \u0111\u1eb7c, n\u00f3 c\u1ea7n \u0111\u01b0\u1ee3c l\u00e0m ngu\u1ed9i \u0111\u1ec3 gi\u1eef \u0111\u01b0\u1ee3c h\u00ecnh d\u1ea1ng v\u00e0 k\u00edch th\u01b0\u1edbc. Qu\u00e1 tr\u00ecnh n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong m\u00f4i tr\u01b0\u1eddng t\u1ef1 nhi\u00ean ho\u1eb7c b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t chuy\u00ean d\u1ee5ng.<\/li>\n
  • Ki\u1ec3m tra th\u00e0nh ph\u1ea9m<\/strong>: Sau khi \u0111\u1ebf PU \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1ea5y ra kh\u1ecfi khu\u00f4n, n\u00f3 s\u1ebd tr\u1ea3i qua m\u1ed9t s\u1ed1 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng s\u1ea3n ph\u1ea9m \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n v\u1ec1 \u0111\u1ed9 b\u1ec1n, h\u00ecnh d\u00e1ng v\u00e0 t\u00ednh n\u0103ng.<\/li>\n<\/ul>\n

    \"quy<\/p>\n

    \u01afu \u0111i\u1ec3m c\u1ee7a \u0111\u1ebf PU<\/strong><\/h2>\n

    Trong th\u1ecb tr\u01b0\u1eddng gi\u00e0y d\u00e9p hi\u1ec7n nay, \u0111\u1ebf PU \u0111ang tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t gi\u00e0y d\u00e9p cao c\u1ea5p. Kh\u00f4ng ch\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong gi\u00e0y th\u1ec3 thao, \u0111\u1ebf PU c\u00f2n \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong gi\u00e0y c\u00f4ng s\u1edf, gi\u00e0y th\u1eddi trang v\u00e0 c\u1ea3 gi\u00e0y an to\u00e0n lao \u0111\u1ed9ng nh\u1edd nh\u1eefng \u01b0u \u0111i\u1ec3m n\u1ed5i b\u1eadt:<\/p>\n

    Tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9<\/strong><\/h3>\n

    M\u1ed9t trong nh\u1eefng \u01b0u \u0111i\u1ec3m l\u1edbn nh\u1ea5t c\u1ee7a \u0111\u1ebf PU<\/strong> l\u00e0 tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9 so v\u1edbi nhi\u1ec1u ch\u1ea5t li\u1ec7u kh\u00e1c. \u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi s\u1eed d\u1ee5ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 ng\u01b0\u1eddi ph\u1ea3i mang gi\u00e0y c\u1ea3 ng\u00e0y nh\u01b0 nh\u00e2n vi\u00ean v\u0103n ph\u00f2ng, c\u00f4ng nh\u00e2n, ng\u01b0\u1eddi ch\u1ea1y b\u1ed9…, \u0111\u1ebf nh\u1eb9 gi\u00fap gi\u1ea3m c\u1ea3m gi\u00e1c m\u1ecfi ch\u00e2n, t\u1ea1o s\u1ef1 tho\u1ea3i m\u00e1i khi di chuy\u1ec3n l\u00e2u d\u00e0i. \u0110\u00e2y l\u00e0 l\u00fd do v\u00ec sao \u0111\u1ebf PU th\u01b0\u1eddng \u0111\u01b0\u1ee3c ch\u1ecdn cho gi\u00e0y th\u1ec3 thao v\u00e0 gi\u00e0y b\u1ea3o h\u1ed9.<\/p>\n

    \"\u01b0u<\/p>\n

    \u0110\u1ed9 \u0111\u00e0n h\u1ed3i cao<\/strong><\/h3>\n

    C\u1ea5u tr\u00fac ph\u00e2n t\u1eed c\u1ee7a PU cho ph\u00e9p n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng \u0111\u00e0n h\u1ed3i t\u1ed1t, gi\u00fap h\u1ea5p th\u1ee5 l\u1ef1c t\u00e1c \u0111\u1ed9ng khi di chuy\u1ec3n. \u0110i\u1ec1u n\u00e0y c\u1ef1c k\u1ef3 quan tr\u1ecdng trong vi\u1ec7c gi\u1ea3m \u00e1p l\u1ef1c l\u00ean g\u00f3t ch\u00e2n, \u0111\u1ea7u ng\u00f3n ch\u00e2n v\u00e0 c\u00e1c kh\u1edbp khi di chuy\u1ec3n li\u00ean t\u1ee5c. Ng\u01b0\u1eddi mang gi\u00e0y s\u1ebd c\u1ea3m nh\u1eadn r\u00f5 s\u1ef1 \u00eam \u00e1i d\u01b0\u1edbi l\u00f2ng b\u00e0n ch\u00e2n, gi\u1ea3m nguy c\u01a1 \u0111au nh\u1ee9c, ch\u1ea5n th\u01b0\u01a1ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng nhi\u1ec1u gi\u1edd.<\/p>\n

    C\u00e1ch nhi\u1ec7t v\u00e0 c\u00e1ch \u0111i\u1ec7n t\u1ed1t<\/strong><\/h3>\n

    PU l\u00e0 v\u1eadt li\u1ec7u c\u00f3 kh\u1ea3 n\u0103ng c\u00e1ch nhi\u1ec7t v\u00e0 c\u00e1ch \u0111i\u1ec7n t\u01b0\u01a1ng \u0111\u1ed1i t\u1ed1t, \u0111i\u1ec1u n\u00e0y r\u1ea5t h\u1eefu \u00edch khi s\u1ea3n xu\u1ea5t gi\u00e0y cho m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p, n\u01a1i ng\u01b0\u1eddi lao \u0111\u1ed9ng c\u00f3 th\u1ec3 ti\u1ebfp x\u00fac v\u1edbi b\u1ec1 m\u1eb7t n\u00f3ng ho\u1eb7c thi\u1ebft b\u1ecb \u0111i\u1ec7n. Gi\u00e0y \u0111\u1ebf PU<\/strong> gi\u00fap gi\u1ea3m nguy c\u01a1 s\u1ed1c nhi\u1ec7t ho\u1eb7c gi\u1eadt \u0111i\u1ec7n t\u1eeb s\u00e0n nh\u00e0, \u0111\u1eb7c bi\u1ec7t l\u00e0 n\u1ebfu \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi l\u1edbp l\u00f3t chuy\u00ean d\u1ee5ng. V\u1edbi ng\u01b0\u1eddi s\u1eed d\u1ee5ng, \u0111\u00e2y l\u00e0 y\u1ebfu t\u1ed1 an to\u00e0n b\u1ed5 sung r\u1ea5t \u0111\u00e1ng gi\u00e1.<\/p>\n

    Ch\u1ed1ng m\u00e0i m\u00f2n t\u1ed1t<\/strong><\/h3>\n

    PU l\u00e0 ch\u1ea5t li\u1ec7u c\u00f3 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc cao, \u0111\u1eb7c bi\u1ec7t l\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu m\u00e0i m\u00f2n trong th\u1eddi gian d\u00e0i. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t t\u1ea1o ra nh\u1eefng \u0111\u00f4i gi\u00e0y b\u1ec1n b\u1ec9, \u00edt b\u1ecb b\u00e0o m\u00f2n \u0111\u1ebf d\u00f9 s\u1eed d\u1ee5ng th\u01b0\u1eddng xuy\u00ean. V\u1edbi ng\u01b0\u1eddi ti\u00eau d\u00f9ng, gi\u00e0y \u0111\u1ebf PU c\u00f3 tu\u1ed5i th\u1ecd d\u00e0i h\u01a1n, \u00edt c\u1ea7n thay m\u1edbi, t\u1eeb \u0111\u00f3 ti\u1ebft ki\u1ec7m chi ph\u00ed.<\/p>\n

    \"\u1ee9ng<\/p>\n

    Kh\u00e1ng d\u1ea7u v\u00e0 ch\u1ed1ng h\u00f3a ch\u1ea5t nh\u1eb9<\/strong><\/h3>\n

    M\u1ed9t \u01b0u \u0111i\u1ec3m k\u1ef9 thu\u1eadt kh\u00e1c c\u1ee7a \u0111\u1ebf PU<\/strong> l\u00e0 kh\u1ea3 n\u0103ng kh\u00e1ng m\u1ed9t s\u1ed1 lo\u1ea1i d\u1ea7u m\u1ee1 v\u00e0 h\u00f3a ch\u1ea5t nh\u1eb9. Trong s\u1ea3n xu\u1ea5t, \u0111i\u1ec1u n\u00e0y t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i \u0111\u1ec3 ch\u1ebf t\u1ea1o gi\u00e0y d\u00e0nh ri\u00eang cho m\u00f4i tr\u01b0\u1eddng nh\u00e0 x\u01b0\u1edfng, tr\u1ea1m x\u0103ng, ph\u00f2ng th\u00ed nghi\u1ec7m\u2026 n\u01a1i m\u00e0 \u0111\u1ebf gi\u00e0y th\u01b0\u1eddng xuy\u00ean ti\u1ebfp x\u00fac v\u1edbi d\u1ea7u v\u00e0 dung m\u00f4i. Do \u0111\u00f3 \u0111\u1ebf gi\u00e0y PU gi\u00fap b\u1ea3o v\u1ec7 ch\u00e2n t\u1ed1t h\u01a1n, tr\u00e1nh t\u00ecnh tr\u1ea1ng tr\u01a1n tr\u01b0\u1ee3t ho\u1eb7c h\u01b0 h\u1ea1i do ti\u1ebfp x\u00fac v\u1edbi h\u00f3a ch\u1ea5t.<\/p>\n

    \u1ee8ng d\u1ee5ng c\u1ee7a \u0111\u1ebf PU<\/strong><\/h2>\n

    \u0110\u1ebf PU (Polyurethane) hi\u1ec7n \u0111ang l\u00e0 v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng trong ng\u00e0nh s\u1ea3n xu\u1ea5t gi\u00e0y d\u00e9p, nh\u1edd v\u00e0o nh\u1eefng t\u00ednh n\u0103ng \u01b0u vi\u1ec7t m\u00e0 n\u00f3 mang l\u1ea1i, t\u1eeb \u0111\u1ed9 b\u1ec1n, kh\u1ea3 n\u0103ng \u0111\u00e0n h\u1ed3i \u0111\u1ebfn tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9.<\/p>\n