m\u00e0ng nh\u1ef1a PET<\/a><\/span>, c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng c\u1ee7a qu\u00e1 tr\u00ecnh in v\u00e0 l\u1ef1c li\u00ean k\u1ebft c\u1ee7a l\u1edbp nh\u00f4m h\u00f3a ch\u00e2n kh\u00f4ng, x\u1eed l\u00fd corona th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u0103ng s\u1ee9c c\u0103ng \u01b0\u1edbt b\u1ec1 m\u1eb7t c\u1ee7a m\u00e0ng. Tuy nhi\u00ean, ph\u01b0\u01a1ng ph\u00e1p corona c\u00f3 nh\u1eefng v\u1ea5n \u0111\u1ec1 nh\u01b0 kh\u00f4ng k\u1ecbp th\u1eddi, \u0111\u1eb7c bi\u1ec7t trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 \u0111\u1ed9 \u1ea9m cao, s\u1ee9c c\u0103ng \u01b0\u1edbt c\u1ee7a m\u00e0ng sau khi x\u1eed l\u00fd corona r\u1ea5t d\u1ec5 b\u1ecb suy gi\u1ea3m.<\/span><\/p>\nTuy nhi\u00ean, ph\u01b0\u01a1ng ph\u00e1p ph\u1ee7 h\u00f3a ch\u1ea5t kh\u00f4ng g\u1eb7p ph\u1ea3i v\u1ea5n \u0111\u1ec1 \u0111\u00f3 n\u00ean r\u1ea5t \u0111\u01b0\u1ee3c ng\u00e0nh in v\u00e0 ng\u00e0nh xi m\u1ea1 nh\u00f4m \u01b0a chu\u1ed9ng. L\u1edbp ph\u1ee7 b\u1eb1ng polyme h\u00f2a tan trong n\u01b0\u1edbc c\u00f3 th\u1ec3 l\u00e0m t\u0103ng s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t c\u1ee7a PET. L\u1edbp ph\u1ee7 b\u1eb1ng nh\u0169 t\u01b0\u01a1ng acrylic c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng c\u1ee7a qu\u00e1 tr\u00ecnh in (c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u1ef1c h\u00f2a tan trong n\u01b0\u1edbc).<\/span><\/p>\n L\u1edbp ph\u1ee7 b\u1eb1ng dung d\u1ecbch polyurethane trong n\u01b0\u1edbc c\u00f3 th\u1ec3 t\u0103ng c\u01b0\u1eddng l\u1edbp nh\u00f4m h\u00f3a v\u00e0 c\u01a1 s\u1edf nh\u1ef1a PET cu\u1ed9n l\u1ef1c li\u00ean k\u1ebft c\u1ee7a m\u00e0ng c\u00f3 th\u1ec3 l\u00e0m t\u0103ng \u0111\u1ed9 d\u00e0y c\u1ee7a l\u1edbp ph\u00e8n nh\u00f4m h\u00f3a. Ngo\u00e0i ra, ph\u01b0\u01a1ng ph\u00e1p ph\u1ee7 c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t m\u00e0ng c\u1ea3n cao v\u00e0 m\u00e0ng ch\u1ed1ng t\u0129nh \u0111i\u1ec7n…<\/span><\/p>\nV\u1eadt li\u1ec7u m\u00e0ng nh\u1ef1a PET l\u00e0m khay v\u1ec9 \u0111\u1ecbnh h\u00ecnh<\/span><\/figcaption><\/figure>\n<\/span>S\u1ea3n ph\u1ea9m \u00e1p d\u1ee5ng m\u00e0ng nh\u1ef1a PET trong su\u1ed1t (PET FILM)<\/strong><\/span><\/em><\/span><\/span><\/h3>\nC\u00e1c s\u1ea3n ph\u1ea9m c\u1ee7a c\u00f4ng ty c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong chuy\u1ec3n m\u1ea1ch phim, c\u1eeda s\u1ed5 phim, phim in, v\u1eadt li\u1ec7u t\u1ed5ng h\u1ee3p phim, in m\u1ea1ch linh ho\u1ea1t, \u00e9p b\u1ea3ng m\u1ea1ch FPCB, b\u1ea3o v\u1ec7 m\u00e0n h\u00ecnh LCD, in chuy\u1ec3n nhi\u1ec7t, d\u1eadp n\u00f3ng, phim \u00e2m thanh, m\u00e0ng ng\u0103n, \u0111\u1ebf phim \u00e1p \u0111\u1eb7t. M\u00e0ng nh\u1ef1a PET trong su\u1ed1t cao phim c\u1eeda s\u1ed5 h\u1ed9p, phim c\u1eeda s\u1ed5 phong b\u00ec, gi\u1ea5y \u0111\u00e1y t\u1ef1 d\u00ednh, l\u1edbp ph\u1ee7 keo, l\u1edbp ph\u1ee7 silicon, mi\u1ebfng \u0111\u1ec7m \u0111\u1ed9ng c\u01a1, d\u00e2y v\u00e0 b\u0103ng c\u00e1p, b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n, c\u00e1ch \u0111i\u1ec7n t\u1ee5 \u0111i\u1ec7n, bong tr\u00f3c \u0111\u1ed3 n\u1ed9i th\u1ea5t.<\/span><\/p>\nM\u1ea1 nh\u00f4m ch\u00e2n kh\u00f4ng, tr\u00e1ng k\u00ednh nh\u0169 t\u01b0\u01a1ng, khu\u1ebfch t\u00e1n \u0111\u00e8n n\u1ec1n quang \u0111i\u1ec7n, ph\u1ea3n x\u1ea1 ngu\u1ed3n \u00e1nh s\u00e1ng, t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 s\u00e1ng, s\u1ef1 t\u1eadp trung, ph\u00e2n c\u1ef1c, Hu\u1ef3nh quang, \u00e1nh s\u00e1ng l\u1ea1nh, b\u00f3ng r\u00e2m, m\u00e0n h\u00ecnh c\u1ea3m \u1ee9ng quang h\u1ecdc, LCD, LED, b\u1ea3o v\u1ec7 m\u00e0n h\u00ecnh DVD, qu\u1ea3ng c\u00e1o h\u1ed9p \u0111\u00e8n, ch\u1ee5p \u0111\u00e8n, b\u1ea3ng ch\u1ec9 d\u1eabn, keo d\u00e1n t\u00ean, phim \u1ea3nh, b\u0103ng, t\u1ea5m \u00e1p l\u1ef1c, pad Film, l\u1edbp xen k\u1ebd, phim b\u1ea3o v\u1ec7, thang m\u00e1y, m\u00e3 v\u1ea1ch, l\u1edbp ph\u1ee7 silicon, l\u1edbp ph\u1ee7 keo, in nh\u00e3n v\u1eadt li\u1ec7u th\u1ebb, phim micron, n\u00fat (n\u00fat di\u1ec7n t\u00edch l\u1edbn), in m\u1ea1ch linh ho\u1ea1t, mi\u1ebfng \u0111\u1ec7m \u0111\u1ed9ng c\u01a1, d\u00e2y v\u00e0 b\u0103ng c\u00e1p, phim chi\u1ebfu, b\u0103ng \u00e2m thanh v\u00e0 video.<\/span><\/p>\nM\u00e0ng PET trong<\/span><\/figcaption><\/figure>\n<\/span>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u1ecdn m\u00e0ng nh\u1ef1a PET cu\u1ed9n<\/strong><\/span><\/em><\/span><\/span><\/h2>\n\n\u25c6<\/span>M\u00e0ng PET si\u00eau m\u1ecfng l\u00e0 g\u00ec?<\/span><\/li>\n\u25c6<\/span>C\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t v\u00e0 \u1ee9ng d\u1ee5ng m\u00e0ng PET si\u00eau m\u1ecfng<\/span><\/li>\n\u25c6<\/span>C\u00e1ch ch\u1ecdn 3 ch\u00eca kh\u00f3a quan tr\u1ecdng c\u1ee7a nh\u1ef1a PET cu\u1ed9n si\u00eau m\u1ecfng<\/span><\/li>\n<\/ul>\nCu\u1ed9n m\u00e0ng PET m\u00e0u \u0111en<\/span><\/figcaption><\/figure>\n<\/span>1. Nh\u1ef1a PET cu\u1ed9n si\u00eau m\u1ecfng l\u00e0 g\u00ec?<\/strong><\/span><\/em><\/span><\/span><\/h3>\nM\u00e0ng nh\u1ef1a PET cu\u1ed9n si\u00eau m\u1ecfng l\u00e0 lo\u1ea1i m\u00e0ng polyester c\u00f3 \u0111\u1ed9 d\u00e0y d\u01b0\u1edbi 10um. V\u1eady10um m\u1ecfng bao nhi\u00eau? Th\u00f4ng th\u01b0\u1eddng, gi\u1ea5y photocopy A4 c\u00f3 dung l\u01b0\u1ee3ng kho\u1ea3ng 104um, g\u1ea5p 10 l\u1ea7n \u0111\u1ed9 d\u00e0y c\u1ee7a m\u00e0ng PET si\u00eau m\u1ecfng 10um. C\u1ea3m gi\u00e1c g\u1ea7n gi\u1ed1ng nh\u01b0 m\u00e0ng b\u00e1m PVC gia d\u1ee5ng (11\u03bcm). Nh\u01b0ng x\u00e9t v\u1ec1 \u0111\u1eb7c t\u00ednh th\u00ec m\u00e0ng nh\u1ef1a PET trong su\u1ed1t si\u00eau m\u1ecfng t\u1ea5t nhi\u00ean r\u1ea5t kh\u00e1c v\u1edbi m\u00e0ng d\u00e1n.<\/span><\/p>\nM\u00e0ng nh\u1ef1a PET trong su\u1ed1t si\u00eau m\u1ecfng c\u00f3 t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc t\u1ed1t, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ee7ng, m\u00e0i m\u00f2n v\u00e0 c\u1ea3n kh\u00ed t\u1ed1t h\u01a1n m\u00e0ng PE th\u00f4ng th\u01b0\u1eddng. \u0110\u1ed3ng th\u1eddi, n\u00f3 c\u0169ng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i h\u00f3a ch\u1ea5t n\u00ean r\u1ea5t th\u00edch h\u1ee3p l\u00e0m v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i, m\u00e0ng b\u1ea3o v\u1ec7, b\u0103ng keo b\u1ea3o v\u1ec7. M\u00e0ng PET si\u00eau m\u1ecfng th\u01b0\u1eddng trong su\u1ed1t, kh\u00f4ng m\u00e0u v\u00e0 c\u00f3 b\u1ec1 ngo\u00e0i b\u00f3ng, l\u00e0 ch\u1ea5t n\u1ec1n m\u00e0ng gh\u00e9p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn.<\/span><\/p>\nKhi th\u1ecb tr\u01b0\u1eddng \u0111ang ph\u00e1t tri\u1ec3n theo h\u01b0\u1edbng th\u00e1ch th\u1ee9c v\u1ec1 “thi\u1ebft k\u1ebf nh\u1eb9”. C\u00e1c c\u00f4ng ty trong ng\u00e0nh li\u00ean quan ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n c\u00e1c c\u00f4ng ngh\u1ec7 v\u00e0 gi\u1ea3i ph\u00e1p th\u00e0nh ph\u1ea7n m\u1edbi. V\u00ec v\u1eady, m\u00e0ng nh\u1ef1a PET trong su\u1ed1t si\u00eau m\u1ecfng l\u00e0 v\u1eadt li\u1ec7u quan tr\u1ecdng \u0111\u1ec3 l\u00e0m m\u1ecfng!<\/span><\/p>\nRoll PET 1050mm<\/span><\/figcaption><\/figure>\n<\/span>2. C\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t v\u00e0 \u1ee9ng d\u1ee5ng m\u00e0ng nh\u1ef1a PET trong su\u1ed1t si\u00eau m\u1ecfng<\/strong><\/span><\/em><\/span><\/span><\/h3>\nN\u0103m 2016, \u0111\u1ed9 d\u00e0y c\u1ee7a m\u00e0ng PET trong n\u01b0\u1edbc l\u00e0 12um ~ 188um. T\u1ea1i th\u1eddi \u0111i\u1ec3m \u0111\u00f3, m\u00e0ng PET \u1edf Vi\u1ec7t Nam ch\u01b0a c\u00f3 c\u00f4ng ngh\u1ec7 v\u00e0 thi\u1ebft b\u1ecb s\u1ea3n xu\u1ea5t d\u01b0\u1edbi 10um. V\u00ec ng\u01b0\u1ee1ng c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t cao n\u00ean l\u01b0\u1ee3ng thi\u1ebft b\u1ecb \u0111\u1ea7u t\u01b0 c\u0169ng r\u1ea5t cao. S\u1ea3n xu\u1ea5t m\u00e0ng nh\u1ef1a PET trong su\u1ed1t si\u00eau m\u1ecfng s\u1eed d\u1ee5ng polyethylene terephthalate l\u00e0m nguy\u00ean li\u1ec7u th\u00f4. S\u1eed d\u1ee5ng m\u00e1y \u0111\u00f9n \u0111\u1ec3 t\u1ea1o m\u00e0ng d\u00e0y h\u01a1n, th\u00f4ng qua qu\u00e1 tr\u00ecnh k\u00e9o c\u0103ng d\u1ecdc v\u00e0 ngang.<\/span><\/p>\nSau qu\u00e1 tr\u00ecnh thi\u1ebft l\u1eadp nhi\u1ec7t, cu\u1ed1i c\u00f9ng n\u00f3 \u0111\u01b0\u1ee3c qu\u1ea5n th\u00e0nh m\u1ed9t m\u00e0ng PET si\u00eau m\u1ecfng. To\u00e0n b\u1ed9 quy tr\u00ecnh s\u1eed d\u1ee5ng “c\u00f4ng ngh\u1ec7 gia c\u00f4ng ch\u00ednh x\u00e1c m\u1edf r\u1ed9ng hai tr\u1ee5c m\u00e0ng si\u00eau m\u1ecfng”. V\u1edbi \u0111\u1ea7u \u0111\u00f9n ch\u00ednh x\u00e1c v\u00e0 thi\u1ebft k\u1ebf th\u00f4ng s\u1ed1 x\u1eed l\u00fd, \u0111\u1ec3 t\u1ea1o ra m\u1ed9t m\u00e0ng PET m\u1ecfng nh\u01b0 v\u1eady, kh\u00f4ng d\u1ec5 \u0111\u1ec3 ki\u1ec3m so\u00e1t \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u c\u1ee7a \u0111\u1ed9 d\u00e0y m\u00e0ng. Do \u0111\u00f3, ng\u01b0\u1ee1ng trang b\u1ecb kh\u00e1 cao.<\/span><\/p>\n\u1ee8ng d\u1ee5ng c\u1ee7a m\u00e0ng PET si\u00eau m\u1ecfng (<10um): Ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong b\u0103ng si\u00eau m\u1ecfng, phim \u0111i\u1ec7n dung, ruy b\u0103ng cao c\u1ea5p, linh ki\u1ec7n quang \u0111i\u1ec7n t\u1eed, m\u00e0n h\u00ecnh b\u1ea3ng, v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i.<\/span><\/p>\nM\u00e0ng nh\u1ef1a PET nguy\u00ean sinh<\/span><\/figcaption><\/figure>\n<\/span>Ba ch\u00eca kh\u00f3a ch\u00ednh \u0111\u1ec3 mua nh\u1ef1a PET cu\u1ed9n si\u00eau m\u1ecfng<\/strong><\/span><\/em><\/span><\/span><\/h3>\n<\/span>Ch\u00eca kh\u00f3a 1. \u0110\u1ed9 d\u00e0y<\/strong><\/span><\/span><\/h4>\n\u0110\u1ed9 d\u00e0y c\u1ee7a m\u00e0ng PET si\u00eau m\u1ecfng l\u00e0 4,5\u03bcm, 6\u03bcm, 9\u03bcm, 1 \u0111\u1ebfn 0\u03bcm…<\/span><\/p>\nL\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u1ecdn m\u1ed9t \u0111\u1ed9 d\u00e0y ph\u00f9 h\u1ee3p?<\/strong><\/em><\/span><\/p>\n\u1ede \u0111\u00e2y ch\u00fang t\u00f4i ch\u1ecdn t\u1eeb hai kh\u00eda c\u1ea1nh:<\/span><\/p>\n(1) \u0110\u1ed9 d\u00e0y c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a thi\u1ebft b\u1ecb trong nh\u00e0 m\u00e1y<\/strong><\/em><\/span><\/p>\nX\u00e1c nh\u1eadn thi\u1ebft b\u1ecb ph\u1ee7, thi\u1ebft b\u1ecb c\u00e1n ho\u1eb7c m\u1ecdi thi\u1ebft b\u1ecb trong qu\u00e1 tr\u00ecnh trong nh\u00e0 m\u00e1y. “\u0110\u1ed9 d\u00e0y m\u1ecfng nh\u1ea5t c\u00f3 th\u1ec3 x\u1eed l\u00fd nh\u01b0 th\u1ebf n\u00e0o?”; “M\u00e1y m\u1ecfng \u0111\u1ebfn m\u1ee9c n\u00e0o c\u00f3 th\u1ec3 x\u1eed l\u00fd m\u01b0\u1ee3t m\u00e0?”. Ch\u1eb3ng h\u1ea1n nh\u01b0 m\u00e1y s\u01a1n ho\u1eb7c m\u00e1y cu\u1ed9n trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd, V\u00ec m\u00e0ng qu\u00e1 m\u1ecfng, n\u1ebfu n\u00f3 v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y. Do \u0111\u00f3, m\u00e1y kh\u00f4ng th\u1ec3 c\u1ea5p l\u1ea1i cu\u1ed9n d\u00e2y ngay l\u1eadp t\u1ee9c, d\u1eabn \u0111\u1ebfn \u0111\u1ed9 tr\u1ec5 trong ph\u1ea3n \u1ee9ng \u0111i\u1ec1u khi\u1ec3n l\u1ef1c c\u0103ng. Cu\u1ed1i c\u00f9ng, n\u00f3 kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t m\u1ed9t c\u00e1ch su\u00f4n s\u1ebb.<\/span><\/p>\nCu\u1ed9n PET t\u00e1i sinh<\/span><\/figcaption><\/figure>\n(2) X\u00e1c nh\u1eadn s\u1eed d\u1ee5ng s\u1ea3n ph\u1ea9m<\/strong><\/em><\/span><\/p>\nM\u00e0ng PET si\u00eau m\u1ecfng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong: t\u1ee5 \u0111i\u1ec7n, m\u00e0ng b\u1ea3o v\u1ec7 \u0111\u1eb7c bi\u1ec7t, b\u0103ng si\u00eau m\u1ecfng cho thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed, v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i.<\/span><\/p>\nTr\u01b0\u1edbc h\u1ebft, h\u00e3y x\u00e1c nh\u1eadn s\u1ea3n ph\u1ea9m m\u00e0 b\u1ea1n mu\u1ed1n l\u00e0m, \u0111\u1ed9 d\u00e0y c\u1ee7a m\u00e0ng PET \u0111\u1ec3 ph\u00f9 h\u1ee3p l\u00e0 bao nhi\u00eau? Kh\u00e1ch h\u00e0ng c\u00f3 quy \u0111\u1ecbnh \u0111\u1ed9 d\u00e0y c\u1ee7a m\u00e0ng PET kh\u00f4ng? Ho\u1eb7c l\u00e0 4,5\u03bcm ~ 10\u03bcm c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c kh\u00f4ng? Th\u1ef1c s\u1ef1 r\u1ea5t kh\u00f3 \u0111\u1ec3 ph\u00e2n bi\u1ec7t gi\u1eefa 4,5\u03bcm v\u00e0 1? 0\u03bcm b\u1eb1ng tay.<\/span><\/p>\nNh\u01b0ng trong c\u00e1c b\u1ed9 ph\u1eadn \u0111i\u1ec7n t\u1eed nh\u1ecf v\u00e0 ch\u00ednh x\u00e1c, s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 \u0111\u1ed9 d\u00e0y th\u1ef1c s\u1ef1 nhanh h\u01a1n g\u1ea5p 2 l\u1ea7n! Do \u0111\u00f3, ch\u00eca kh\u00f3a \u0111\u1ec3 l\u1ef1a ch\u1ecdn \u0111\u1ed9 d\u00e0y c\u1ee7a m\u00e0ng PET si\u00eau m\u1ecfng: Tr\u01b0\u1edbc ti\u00ean h\u00e3y hi\u1ec3u thi\u1ebft b\u1ecb trong nh\u00e0 m\u00e1y, m\u00e0ng m\u1ecfng nh\u1ea5t c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c l\u00e0 bao nhi\u00eau, V\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00ednh s\u1ea3n ph\u1ea9m, \u0111\u1ec3 ch\u1ecdn m\u1ed9t \u0111\u1ed9 d\u00e0y th\u00edch h\u1ee3p.<\/span><\/p>\nM\u00e0ng PET film<\/span><\/figcaption><\/figure>\n