{"id":10055,"date":"2026-10-16T02:48:59","date_gmt":"2026-10-16T02:48:59","guid":{"rendered":"https:\/\/tz-machinery.com\/?p=10055"},"modified":"2026-10-19T08:42:32","modified_gmt":"2026-10-19T08:42:32","slug":"tam-pet-tai-che-bi-o-vang-qua-quy-trinh-dun-hai-truc-vit","status":"publish","type":"post","link":"https:\/\/tz-machinery.com\/vi\/recycled-pet-sheet-yellowing-twin-screw-extrusion\/","title":{"rendered":"T\u1ea1i sao t\u1ea5m PET t\u00e1i ch\u1ebf l\u1ea1i ng\u1ea3 v\u00e0ng v\u00e0 m\u1ea5t \u0111\u1ed9 b\u1ec1n? C\u00e1c gi\u1ea3i ph\u00e1p cho quy tr\u00ecnh \u0111\u00f9n tr\u1ee5c v\u00edt \u0111\u00f4i"},"content":{"rendered":"

Qu\u00e1 tr\u00ecnh \u0111\u00f9n t\u1ea5m PET t\u00e1i ch\u1ebf th\u01b0\u1eddng g\u1eb7p ph\u1ea3i ba v\u1ea5n \u0111\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng ch\u00ednh: \u1ed1 v\u00e0ng, \u0111\u1ed9 d\u1ebbo dai k\u00e9m v\u00e0 \u0111\u1ed9 b\u00f3ng kh\u00f4ng \u0111\u1ee7. Nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y tr\u1edf n\u00ean r\u00f5 r\u1ec7t h\u01a1n khi s\u1eed d\u1ee5ng t\u1ef7 l\u1ec7 cao m\u1ea3nh v\u1ee5n PET t\u00e1i ch\u1ebf ho\u1eb7c b\u1ed9t nh\u1ef1a t\u00e1i ch\u1ebf. \u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t t\u1ea5m PET d\u00f9ng cho \u00e9p nhi\u1ec7t, nh\u1eefng khuy\u1ebft t\u1eadt n\u00e0y c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn h\u00ecnh th\u1ee9c s\u1ea3n ph\u1ea9m, hi\u1ec7u su\u1ea5t \u00e9p v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng.<\/p>\n

1. T\u1ea1i sao t\u1ea5m PET t\u00e1i ch\u1ebf l\u1ea1i b\u1ecb ng\u1ea3 v\u00e0ng?<\/h2>\n

T\u1ea5m PET c\u00f3 th\u1ec3 b\u1ecb ng\u1ea3 v\u00e0ng do s\u1ef1 ph\u00e2n h\u1ee7y nhi\u1ec7t, ph\u1ea3n \u1ee9ng th\u1ee7y ph\u00e2n do \u0111\u1ed9 \u1ea9m, nguy\u00ean li\u1ec7u t\u00e1i ch\u1ebf b\u1ecb nhi\u1ec5m b\u1ea9n ho\u1eb7c th\u1eddi gian l\u01b0u gi\u1eef qu\u00e1 l\u00e2u \u1edf nhi\u1ec7t \u0111\u1ed9 cao. Vi\u1ec7c qu\u1ea3n l\u00fd nguy\u00ean li\u1ec7u th\u00f4 \u0111\u00fang c\u00e1ch v\u00e0 t\u1ed1i \u01b0u h\u00f3a c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u0111\u00f9n \u00e9p l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng.<\/p>\n

\u0110\u1ed1i v\u1edbi D\u00e2y chuy\u1ec1n \u0111\u00f9n t\u1ea5m PET b\u1eb1ng m\u00e1y \u0111\u00f9n tr\u1ee5c v\u00edt \u0111\u00f4i song song<\/a>, vi\u1ec7c b\u1ed1 tr\u00ed v\u00edt ph\u00f9 h\u1ee3p, ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9, kh\u1eed kh\u00ed ch\u00e2n kh\u00f4ng v\u00e0 l\u1ecdc ch\u1ea5t l\u1ecfng hi\u1ec7u qu\u1ea3 c\u00f3 th\u1ec3 gi\u00fap n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng v\u00e0 gi\u1ea3m thi\u1ec3u c\u00e1c khuy\u1ebft t\u1eadt trong qu\u00e1 tr\u00ecnh gia c\u00f4ng.<\/p>\n

M\u00e0u s\u1eafc v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a t\u1ea5m PET t\u00e1i ch\u1ebf tr\u01b0\u1edbc v\u00e0 sau khi t\u1ed1i \u01b0u h\u00f3a qu\u00e1 tr\u00ecnh \u0111\u00f9n tr\u1ee5c v\u00edt \u0111\u00f4i<\/p>\n

\"<\/p>\n

2. C\u00e1ch n\u00e2ng cao \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 b\u00f3ng c\u1ee7a t\u1ea5m PET<\/h2>\n

\u0110\u1ed9 b\u1ec1n k\u00e9m c\u00f3 th\u1ec3 do s\u1ef1 suy gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed c\u1ee7a PET, \u0111\u1ed9 nh\u1edbt n\u1ed9i t\u1ea1i (IV) gi\u1ea3m ho\u1eb7c ch\u1ea5t l\u01b0\u1ee3ng nguy\u00ean li\u1ec7u t\u00e1i ch\u1ebf kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u. \u0110\u1ed9 b\u00f3ng kh\u00f4ng \u0111\u1ee7 c\u00f3 th\u1ec3 li\u00ean quan \u0111\u1ebfn t\u1ea1p ch\u1ea5t, \u0111\u1ed9 \u0111\u1ed3ng nh\u1ea5t c\u1ee7a ch\u1ea5t l\u1ecfng n\u00f3ng ch\u1ea3y, \u0111i\u1ec1u ki\u1ec7n khu\u00f4n \u00e9p ho\u1eb7c c\u00e0i \u0111\u1eb7t tr\u1ee5c l\u00e0m m\u00e1t.<\/p>\n

Ngo\u00e0i vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh \u0111\u00f9n, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 xem x\u00e9t c\u00e1c c\u00f4ng th\u1ee9c h\u1ed7n h\u1ee3p m\u00e0u sau \u0111\u00e2y l\u00e0m \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u cho c\u00e1c th\u1eed nghi\u1ec7m s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n\n\n\n\n\n
Lo\u1ea1i masterbatch<\/th>\nL\u01b0\u1ee3ng b\u1ed5 sung khuy\u1ebfn ngh\u1ecb cho m\u1ed7i 1.000 kg PET<\/th>\n<\/tr>\n<\/thead>\n
H\u1ed7n h\u1ee3p m\u00e0u ch\u1ed1ng \u1ed1 v\u00e0ng<\/td>\n300\u2013600 g<\/td>\n<\/tr>\n
H\u1ed7n h\u1ee3p ph\u1ee5 gia t\u0103ng \u0111\u1ed9 c\u1ee9ng \/ ch\u1ed1ng n\u1ee9t<\/td>\n6\u20138 kg<\/td>\n<\/tr>\n
H\u1ed7n h\u1ee3p m\u00e0u l\u00e0m tr\u1eafng<\/td>\n1,5 kg<\/td>\n<\/tr>\n
H\u1ed7n h\u1ee3p m\u00e0u t\u0103ng \u0111\u1ed9 b\u00f3ng<\/td>\n1,5 kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

C\u00e1c li\u1ec1u l\u01b0\u1ee3ng n\u00e0y ch\u1ec9 mang t\u00ednh ch\u1ea5t tham kh\u1ea3o v\u00e0 c\u1ea7n \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn d\u1ef1a tr\u00ean th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a nh\u00e0 cung c\u1ea5p h\u1ed7n h\u1ee3p ch\u1ee7, ch\u1ea5t l\u01b0\u1ee3ng PET t\u00e1i ch\u1ebf v\u00e0 c\u00e1c t\u00ednh ch\u1ea5t y\u00eau c\u1ea7u c\u1ee7a t\u1ea5m nh\u1ef1a. C\u00e1c h\u1ed7n h\u1ee3p ch\u1ee7 l\u00e0m tr\u1eafng v\u00e0 t\u0103ng \u0111\u1ed9 b\u00f3ng c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n v\u1ebb ngo\u00e0i, trong khi c\u00e1c ch\u1ea5t ph\u1ee5 gia t\u0103ng \u0111\u1ed9 b\u1ec1n c\u00f3 th\u1ec3 gi\u00fap n\u00e2ng cao kh\u1ea3 n\u0103ng ch\u1ecbu va \u0111\u1eadp. K\u1ebft qu\u1ea3 th\u1ef1c t\u1ebf ph\u1ee5 thu\u1ed9c v\u00e0o t\u00ednh t\u01b0\u01a1ng th\u00edch c\u1ee7a c\u00e1c ch\u1ea5t ph\u1ee5 gia v\u00e0 \u0111i\u1ec1u ki\u1ec7n gia c\u00f4ng.<\/p>\n

3. C\u00e1ch th\u1ee9c \u00e9p \u0111\u00f9n tr\u1ee5c v\u00edt \u0111\u00f4i song song gi\u00fap n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng t\u1ea5m PET t\u00e1i ch\u1ebf<\/h2>\n

M\u1ed9t d\u00e2y chuy\u1ec1n \u0111\u00f9n t\u1ea5m PET b\u1eb1ng tr\u1ee5c v\u00edt \u0111\u00f4i song song \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf h\u1ee3p l\u00fd c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o qu\u00e1 tr\u00ecnh tr\u1ed9n, kh\u1eed kh\u00ed v\u00e0 x\u1eed l\u00fd hi\u1ec7u qu\u1ea3 c\u00e1c nguy\u00ean li\u1ec7u PET t\u00e1i ch\u1ebf ph\u00f9 h\u1ee3p. K\u1ebft h\u1ee3p v\u1edbi h\u1ec7 th\u1ed1ng l\u1ecdc th\u00edch h\u1ee3p, ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ecbnh l\u01b0\u1ee3ng ph\u1ee5 gia ch\u00ednh x\u00e1c, d\u00e2y chuy\u1ec1n n\u00e0y c\u00f3 th\u1ec3 gi\u00fap c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u1ea3i thi\u1ec7n \u0111\u1ed9 \u0111\u1ed3ng nh\u1ea5t v\u1ec1 m\u00e0u s\u1eafc, \u0111\u1ed9 b\u1ec1n v\u00e0 b\u1ec1 m\u1eb7t c\u1ee7a t\u1ea5m PET.<\/p>\n

C\u1ea5u h\u00ecnh thi\u1ebft b\u1ecb v\u00e0 c\u00e1c th\u00f4ng s\u1ed1 x\u1eed l\u00fd t\u1ed1i \u01b0u ph\u1ee5 thu\u1ed9c v\u00e0o th\u00e0nh ph\u1ea7n nguy\u00ean li\u1ec7u t\u00e1i ch\u1ebf, s\u1ea3n l\u01b0\u1ee3ng m\u1ee5c ti\u00eau, \u0111\u1ed9 d\u00e0y t\u1ea5m v\u00e0 \u1ee9ng d\u1ee5ng cu\u1ed1i c\u00f9ng. Vi\u1ec7c duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng nguy\u00ean li\u1ec7u \u1ed5n \u0111\u1ecbnh v\u00e0 ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh ph\u00e2n h\u1ee7y PET c\u0169ng l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 s\u1ea3n xu\u1ea5t nh\u1ea5t qu\u00e1n.<\/p>\n

C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n

T\u1ea1i sao t\u1ea5m PET t\u00e1i ch\u1ebf l\u1ea1i b\u1ecb ng\u1ea3 v\u00e0ng?<\/h3>\n

C\u00f3 b\u1ed1n nguy\u00ean nh\u00e2n ch\u00ednh: ph\u00e2n h\u1ee7y nhi\u1ec7t, th\u1ee7y ph\u00e2n do \u0111\u1ed9 \u1ea9m, nguy\u00ean li\u1ec7u t\u00e1i ch\u1ebf b\u1ecb nhi\u1ec5m b\u1ea9n v\u00e0 th\u1eddi gian l\u01b0u gi\u1eef qu\u00e1 l\u00e2u \u1edf nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y cao. Hi\u1ec7n t\u01b0\u1ee3ng ng\u1ea3 v\u00e0ng l\u00e0 m\u1ed9t s\u1ef1 bi\u1ebfn \u0111\u1ed5i h\u00f3a h\u1ecdc trong chu\u1ed7i polymer, do \u0111\u00f3 c\u00e1ch ki\u1ec3m so\u00e1t hi\u1ec7u qu\u1ea3 nh\u1ea5t l\u00e0 th\u1ef1c hi\u1ec7n t\u1eeb giai \u0111o\u1ea1n \u0111\u1ea7u th\u00f4ng qua vi\u1ec7c qu\u1ea3n l\u00fd nguy\u00ean li\u1ec7u th\u00f4, ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9, kh\u1eed kh\u00ed ch\u00e2n kh\u00f4ng v\u00e0 l\u1ecdc ch\u1ea5t n\u00f3ng ch\u1ea3y.<\/p>\n

Li\u1ec7u hi\u1ec7n t\u01b0\u1ee3ng \u1ed1 v\u00e0ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c kh\u1eafc ph\u1ee5c sau khi t\u1edd gi\u1ea5y \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t xong kh\u00f4ng?<\/h3>\n

Kh\u00f4ng. Hi\u1ec7n t\u01b0\u1ee3ng ng\u1ea3 v\u00e0ng ph\u1ea3n \u00e1nh s\u1ef1 thay \u0111\u1ed5i \u1edf c\u1ea5p \u0111\u1ed9 ph\u00e2n t\u1eed trong ch\u00ednh v\u1eadt li\u1ec7u PET, do \u0111\u00f3 kh\u00f4ng th\u1ec3 \u0111\u00e1nh b\u00f3ng hay r\u1eeda s\u1ea1ch sau n\u00e0y. Gi\u1ea3i ph\u00e1p th\u1ef1c t\u1ebf l\u00e0 ph\u00f2ng ng\u1eeba: gi\u1eef cho c\u00e1c m\u1ea3nh v\u1eadt li\u1ec7u lu\u00f4n kh\u00f4 r\u00e1o v\u00e0 s\u1ea1ch s\u1ebd, r\u00fat ng\u1eafn th\u1eddi gian l\u01b0u gi\u1eef, v\u00e0 b\u1ed5 sung ch\u1ea5t ph\u1ee5 gia ch\u1ed1ng ng\u1ea3 v\u00e0ng v\u1edbi li\u1ec1u l\u01b0\u1ee3ng \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn.<\/p>\n

T\u1ea1i sao t\u1ea5m PET t\u00e1i ch\u1ebf l\u1ea1i m\u1ea5t \u0111i \u0111\u1ed9 d\u1ebbo dai v\u00e0 \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp?<\/h3>\n

S\u1ef1 suy gi\u1ea3m \u0111\u1ed9 b\u1ec1n th\u01b0\u1eddng \u0111i k\u00e8m v\u1edbi s\u1ef1 gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed v\u00e0 \u0111\u1ed9 nh\u1edbt n\u1ed9i t\u1ea1i (IV). C\u00e1c m\u1ea3nh nh\u1ef1a t\u00e1i ch\u1ebf \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o v\u1edbi c\u00e1c gi\u00e1 tr\u1ecb IV kh\u00e1c nhau v\u00e0 l\u1ecbch s\u1eed ti\u1ebfp x\u00fac nhi\u1ec7t kh\u00e1c nhau, do \u0111\u00f3, ch\u1ea5t l\u1ecfng n\u00f3ng ch\u1ea3y c\u00f3 th\u1ec3 ch\u1ee9a c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u00e3 b\u1ecb ph\u00e2n h\u1ee7y, d\u1ec5 b\u1ecb n\u1ee9t v\u1ee1 khi ch\u1ecbu t\u00e1c \u0111\u1ed9ng va \u0111\u1eadp. Ch\u1ea5t l\u01b0\u1ee3ng m\u1ea3nh nh\u1ef1a \u1ed5n \u0111\u1ecbnh v\u00e0 quy tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t nh\u1eb9 nh\u00e0ng s\u1ebd gi\u00fap duy tr\u00ec \u0111\u1ed9 nh\u1edbt n\u1ed9i t\u1ea1i.<\/p>\n

M\u1ed7i t\u1ea5n PET s\u1eed d\u1ee5ng bao nhi\u00eau masterbatch ch\u1ed1ng \u1ed1 v\u00e0ng?<\/h3>\n

M\u1ee9c kh\u1edfi \u0111i\u1ec3m th\u00f4ng th\u01b0\u1eddng l\u00e0 300\u2013600 g tr\u00ean 1.000 kg PET. M\u1ee9c ch\u00ednh x\u00e1c ph\u1ee5 thu\u1ed9c v\u00e0o th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a nh\u00e0 cung c\u1ea5p h\u1ed7n h\u1ee3p m\u00e0u, m\u00e0u s\u1eafc c\u1ee7a c\u00e1c m\u1ea3nh nh\u1ef1a t\u00e1i ch\u1ebf \u0111\u1ea7u v\u00e0o v\u00e0 y\u00eau c\u1ea7u v\u1ec1 ngo\u1ea1i quan c\u1ee7a t\u1ea5m th\u00e0nh ph\u1ea9m, do \u0111\u00f3 c\u1ea7n \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn th\u00f4ng qua c\u00e1c th\u1eed nghi\u1ec7m s\u1ea3n xu\u1ea5t.<\/p>\n

C\u1ea7n th\u00eam bao nhi\u00eau masterbatch t\u0103ng \u0111\u1ed9 c\u1ee9ng v\u00e0o t\u1ea5m PET t\u00e1i ch\u1ebf?<\/h3>\n

Li\u1ec1u l\u01b0\u1ee3ng tham kh\u1ea3o l\u00e0 6\u20138 kg tr\u00ean m\u1ed7i 1.000 kg PET, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng kho\u1ea3ng m\u01b0\u1eddi l\u1ea7n so v\u1edbi l\u01b0\u1ee3ng ph\u1ee5 gia ch\u1ed1ng \u1ed1 v\u00e0ng. Hi\u1ec7u su\u1ea5t ch\u1ecbu va \u0111\u1eadp ph\u1ee5 thu\u1ed9c v\u00e0o t\u00ednh t\u01b0\u01a1ng th\u00edch c\u1ee7a ph\u1ee5 gia v\u1edbi nh\u1ef1a n\u1ec1n v\u00e0 c\u00e1c \u0111i\u1ec1u ki\u1ec7n gia c\u00f4ng, do \u0111\u00f3, h\u00e3y ki\u1ec3m ch\u1ee9ng li\u1ec1u l\u01b0\u1ee3ng n\u00e0y tr\u00ean d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t c\u1ee7a qu\u00fd v\u1ecb tr\u01b0\u1edbc khi m\u1edf r\u1ed9ng quy m\u00f4.<\/p>\n

D\u00e2y chuy\u1ec1n tr\u1ee5c v\u00edt \u0111\u00f4i c\u00f3 c\u1ea7n ph\u1ea3i s\u1ea5y s\u01a1 b\u1ed9 \u0111\u1ed1i v\u1edbi m\u1ea3nh PET t\u00e1i ch\u1ebf kh\u00f4ng?<\/h3>\n

Qu\u00e1 tr\u00ecnh kh\u1eed kh\u00ed ch\u00e2n kh\u00f4ng v\u00e0 thi\u1ebft k\u1ebf nhi\u1ec1u l\u1ed7 tho\u00e1t kh\u00ed gi\u00fap lo\u1ea1i b\u1ecf \u0111\u1ed9 \u1ea9m v\u00e0 c\u00e1c ch\u1ea5t bay h\u01a1i trong qu\u00e1 tr\u00ecnh \u0111\u00f9n, t\u1eeb \u0111\u00f3 gi\u1ea3m b\u1edbt qu\u00e1 tr\u00ecnh k\u1ebft tinh v\u00e0 g\u00e1nh n\u1eb7ng s\u1ea5y s\u01a1 b\u1ed9 m\u00e0 m\u1ed9t D\u00e2y chuy\u1ec1n \u0111\u00f9n t\u1ea5m PET tr\u1ee5c v\u00edt \u0111\u01a1n<\/a> th\u01b0\u1eddng y\u00eau c\u1ea7u. C\u00e1c m\u1ea3nh v\u1ee5n c\u1ef1c k\u1ef3 \u1ea9m \u01b0\u1edbt ho\u1eb7c b\u1ecb \u00f4 nhi\u1ec5m n\u1eb7ng c\u00f3 th\u1ec3 v\u1eabn c\u1ea7n \u0111\u01b0\u1ee3c x\u1eed l\u00fd s\u01a1 b\u1ed9 tr\u01b0\u1edbc khi \u0111\u01b0a v\u00e0o h\u1ec7 th\u1ed1ng.<\/p>\n

\u0110i\u1ec1u g\u00ec g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng \u0111\u1ed9 b\u00f3ng k\u00e9m tr\u00ean t\u1ea5m PET t\u00e1i ch\u1ebf?<\/h3>\n

\u0110\u1ed9 b\u00f3ng kh\u00f4ng \u0111\u1ea1t y\u00eau c\u1ea7u th\u01b0\u1eddng xu\u1ea5t ph\u00e1t t\u1eeb c\u00e1c nguy\u00ean nh\u00e2n nh\u01b0 nhi\u1ec5m b\u1ea9n, \u0111\u1ed9 \u0111\u1ed3ng nh\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u n\u00f3ng ch\u1ea3y k\u00e9m, \u0111i\u1ec1u ki\u1ec7n khu\u00f4n ho\u1eb7c c\u00e0i \u0111\u1eb7t tr\u1ee5c l\u00e0m m\u00e1t. \u00c1p su\u1ea5t v\u1eadt li\u1ec7u n\u00f3ng ch\u1ea3y \u1ed5n \u0111\u1ecbnh, h\u1ec7 th\u1ed1ng l\u1ecdc s\u1ea1ch v\u00e0 qu\u00e1 tr\u00ecnh l\u00e0m m\u00e1t \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t \u0111\u1ec1u c\u00f3 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn \u0111\u1ed9 nh\u1eb5n b\u1ec1 m\u1eb7t.<\/p>\n

C\u1ea5u tr\u00fac \u0111\u1ed3ng \u0111\u00f9n ABA c\u00f3 th\u1ec3 che gi\u1ea5u hi\u1ec7n t\u01b0\u1ee3ng \u0111\u1ed5i m\u00e0u c\u1ee7a PET t\u00e1i ch\u1ebf kh\u00f4ng?<\/h3>\n

\u0110\u00fang v\u1eady. M\u1ed9t D\u00e2y chuy\u1ec1n \u0111\u1ed3ng \u0111\u00f9n ba l\u1edbp ABA PET<\/a> \u0111\u1eb7t l\u1edbp v\u1ecf ngo\u00e0i m\u1edbi nguy\u00ean ch\u1ea5t l\u00ean tr\u00ean l\u00f5i t\u00e1i ch\u1ebf, nh\u1edd \u0111\u00f3 hi\u1ec7n t\u01b0\u1ee3ng \u0111\u1ed5i m\u00e0u nh\u1eb9 c\u1ee7a l\u00f5i s\u1ebd \u00edt b\u1ecb nh\u1eadn th\u1ea5y h\u01a1n tr\u00ean s\u1ea3n ph\u1ea9m ho\u00e0n thi\u1ec7n. \u0110\u00e2y l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p thi\u1ebft th\u1ef1c khi t\u1ef7 l\u1ec7 th\u00e0nh ph\u1ea7n t\u00e1i ch\u1ebf cao nh\u01b0ng b\u1ec1 m\u1eb7t s\u1ea3n ph\u1ea9m v\u1eabn ph\u1ea3i \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng cao c\u1ea5p.<\/p>\n

L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t t\u1ea5m c\u00f3 th\u1ec3 duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng \u1ed5n \u0111\u1ecbnh cho nguy\u00ean li\u1ec7u t\u00e1i ch\u1ebf?<\/h3>\n

Ho\u00e0n t\u1ea5t quy tr\u00ecnh ngay trong n\u1ed9i b\u1ed9. A M\u00e1y nghi\u1ec1n tr\u1ef1c tuy\u1ebfn ph\u1ebf li\u1ec7u m\u00e9p t\u1ea5m<\/a> \u0111\u01b0a ch\u1ea5t th\u1ea3i d\u1ea1ng x\u01b0\u01a1ng tr\u1edf l\u1ea1i tr\u1ef1c ti\u1ebfp v\u00e0o m\u00e1y \u0111\u00f9n, nh\u1edd \u0111\u00f3 d\u00f2ng nguy\u00ean li\u1ec7u t\u00e1i ch\u1ebf lu\u00f4n s\u1ea1ch, kh\u00f4 v\u00e0 c\u00f3 th\u1ec3 truy xu\u1ea5t ngu\u1ed3n g\u1ed1c, thay v\u00ec t\u00edch t\u1ee5 c\u00e1c t\u1ea1p ch\u1ea5t kh\u00f4ng r\u00f5 ngu\u1ed3n g\u1ed1c.<\/p>","protected":false},"excerpt":{"rendered":"

Nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5 d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng \u1ed1 v\u00e0ng v\u00e0 gi\u00f2n c\u1ee7a t\u1ea5m PET t\u00e1i ch\u1ebf \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh, c\u00f9ng v\u1edbi c\u00e1c th\u00f4ng s\u1ed1 c\u1ee7a m\u00e1y \u0111\u00f9n tr\u1ee5c v\u00edt \u0111\u00f4i v\u00e0 li\u1ec1u l\u01b0\u1ee3ng b\u1ed9t m\u00e0u t\u1ed5ng h\u1ee3p \u0111\u1ec3 kh\u1eafc ph\u1ee5c v\u1ea5n \u0111\u1ec1 v\u1ec1 m\u00e0u s\u1eafc v\u00e0 \u0111\u1ed9 b\u1ec1n.<\/p>","protected":false},"author":1,"featured_media":10060,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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toughness loss: learn the causes plus twin screw extrusion settings and masterbatch dosages that restore color and impact.","_yoast_wpseo_title":"Recycled PET Sheet Yellowing: Causes & Twin Screw Fix"},"categories":[68],"tags":[],"class_list":["post-10055","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tz-machinery-knowledge"],"yoast_head":"\nRecycled PET Sheet Yellowing: Causes & Twin Screw Fix<\/title>\n<meta name=\"description\" content=\"Recycled PET sheet yellowing and toughness loss: learn the causes plus twin screw extrusion settings and masterbatch dosages that restore color and impact.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/tz-machinery.com\/vi\/tam-pet-tai-che-bi-o-vang-qua-quy-trinh-dun-hai-truc-vit\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" 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