{"id":1900,"date":"2024-05-30T14:54:01","date_gmt":"2024-05-30T07:54:01","guid":{"rendered":"https:\/\/bmmach.com\/?p=1900"},"modified":"2024-05-30T14:54:01","modified_gmt":"2024-05-30T07:54:01","slug":"cac-kien-thuc-co-ban-ve-phu-gia-khang-tia-uv-trong-cong-nghiep-san-xuat-nhua","status":"publish","type":"post","link":"https:\/\/bmmach.com\/zh-hans\/cac-kien-thuc-co-ban-ve-phu-gia-khang-tia-uv-trong-cong-nghiep-san-xuat-nhua\/","title":{"rendered":"C\u00e1c ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 ph\u1ee5 gia kh\u00e1ng tia UV trong c\u00f4ng nghi\u1ec7p s\u1ea3n xu\u1ea5t nh\u1ef1a"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Trong nh\u1eefng b\u00e0i chia s\u1ebb ki\u1ebfn th\u1ee9c v\u1ec1 c\u00e1c lo\u1ea1i ph\u1ee5 gia trong ng\u00e0nh nh\u1ef1a tr\u01b0\u1edbc \u0111\u00e2y c\u1ee7a <a href=\"https:\/\/bmmach.com\/\">pg nổ hũ đổi thưởng
 Chemicals<\/a>, ch\u00fang t\u00f4i \u0111\u00e3 gi\u1edbi thi\u1ec7u \u0111\u1ebfn c\u00e1c b\u1ea1n c\u00e1c ph\u1ee5 gia ph\u1ed5 bi\u1ebfn trong ng\u00e0nh nh\u1ef1a: Ph\u1ee5 gia \u1ed5n \u0111\u1ecbnh nhi\u1ec7t <\/span><a href=\"https:\/\/bmmach.com\/chat-on-dinh-nhiet-va-nhung-dieu-can-biet\/\"><span style=\"font-weight: 400;\">t\u1ea1i \u0111\u00e2y<\/span><\/a><span style=\"font-weight: 400;\">, Ph\u1ee5 gia t\u0103ng tr\u01a1n <\/span><a href=\"https:\/\/bmmach.com\/phu-gia-tang-tron-trong-san-xuat-nhua\/\"><span style=\"font-weight: 400;\">t\u1ea1i \u0111\u00e2y<\/span><\/a><span style=\"font-weight: 400;\">, Ph\u1ee5 gia ch\u1ed1ng ch\u00e1y t\u1ea1i \u0111\u00e2y v\u00e0 <\/span><span style=\"font-weight: 400;\">Ph\u1ee5 gia ch\u1ed1ng l\u00e3o h\u00f3a t\u1ea1i \u0111\u00e2y<\/span><span style=\"font-weight: 400;\">. Qua \u0111\u00f3, ch\u00fang ta \u0111\u00e3 bi\u1ebft \u0111\u01b0\u1ee3c t\u1ea7m quan tr\u1ecdng c\u1ee7a t\u1eebng ph\u1ee5 gia n\u00eau tr\u00ean v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a t\u1eebng ph\u1ee5 gia \u0111\u00f3 trong ng\u00e0nh c\u00f4ng nghi\u1ec7p s\u1ea3n xu\u1ea5t nh\u1ef1a.<\/span><\/p>\n<p><img decoding=\"async\" class=\"alignnone wp-image-1718\" src=\"https:\/\/bmmach.com\/wp-content\/uploads\/2023\/10\/nhua-nhiet-deo-HT-Chemicals-300x188.jpg\" alt=\"\" width=\"800\" height=\"500\" srcset=\"https:\/\/bmmach.com\/wp-content\/uploads\/2023\/10\/nhua-nhiet-deo-HT-Chemicals-300x188.jpg 300w, https:\/\/bmmach.com\/wp-content\/uploads\/2023\/10\/nhua-nhiet-deo-HT-Chemicals-768x480.jpg 768w, https:\/\/bmmach.com\/wp-content\/uploads\/2023\/10\/nhua-nhiet-deo-HT-Chemicals.jpg 1200w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Trong b\u00e0i n\u00e0y, <a href=\"https:\/\/bmmach.com\/\">pg nổ hũ đổi thưởng
 Chemicals<\/a> ch\u00fang t\u00f4i ti\u1ebfp t\u1ee5c chia s\u1ebb v\u1ec1 Ph\u1ee5 gia kh\u00e1ng tia UV &#8211; m\u1ed9t lo\u1ea1i ph\u1ee5 gia chuy\u00ean d\u1ee5ng nh\u01b0ng l\u1ea1i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn v\u00e0 mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t c\u00e1c s\u1ea3n ph\u1ea9m nh\u1ef1a. V\u1eady ph\u1ee5 gia kh\u00e1ng tia UV l\u00e0 g\u00ec? M\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng c\u0169ng nh\u01b0 c\u00f4ng n\u0103ng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ph\u1ee5 gia n\u00e0y nh\u01b0 th\u1ebf n\u00e0o? H\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u.<\/span><\/p>\n<ul>\n<li aria-level=\"1\"><b>T\u1ea1i sao c\u1ea7n ph\u1ea3i s\u1eed d\u1ee5ng \u0111\u1ebfn ph\u1ee5 gia kh\u00e1ng tia UV trong s\u1ea3n xu\u1ea5t nh\u1ef1a?<\/b><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Nh\u1ef1a nguy\u00ean sinh l\u00e0 c\u00e1c chu\u1ed7i polymer li\u00ean k\u1ebft v\u1edbi nhau. \u1ede \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 th\u00f4ng th\u01b0\u1eddng, c\u00e1c li\u00ean k\u1ebft polymer v\u00f4 c\u00f9ng b\u1ec1n v\u1eefng v\u00e0 ki\u00ean c\u1ed1, t\u1ea1o n\u00ean c\u00e1c \u0111\u1eb7c t\u00ednh \u01b0u vi\u1ec7t c\u1ee7a nh\u1ef1a nh\u01b0 d\u1ebbo dai, linh ho\u1ea1t, b\u1ec1n k\u00e9o, b\u1ec1n m\u00e0u\u2026 Tuy nhi\u00ean, nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a nh\u1ef1a l\u00e0 khi g\u1eb7p nhi\u1ec7t \u0111\u1ed9 cao, c\u00e1c c\u00e1c ph\u00e2n t\u1eed polymer s\u1ebd chuy\u1ec3n \u0111\u1ed9ng v\u1edbi t\u1ed1c \u0111\u1ed9 c\u1ef1c \u0111\u1ea1i g\u00e2y ra \u0111\u1ee9t g\u00e3y c\u00e1c li\u00ean k\u1ebft, h\u00ecnh th\u00e0nh c\u00e1c g\u1ed1c t\u1ef1 do (free radical). C\u00e1c g\u1ed1c t\u1ef1 do n\u00e0y ho\u1ea1t \u0111\u1ed9ng m\u1ea1nh g\u00e2y ra ph\u1ea3n \u1ee9ng d\u00e2y chuy\u1ec1n ph\u00e2n h\u1ee7y c\u1ea5u tr\u00fac polymer. \u0110\u1ed3ng th\u1eddi trong qu\u00e1 tr\u00ecnh ph\u1ea3n \u1ee9ng n\u00e0y, ch\u00fang ti\u1ebfp t\u1ee5c li\u00ean k\u1ebft v\u1edbi c\u00e1c ph\u00e2n t\u1eed oxy l\u00e0m gia t\u0103ng t\u1ed1c \u0111\u1ed9 v\u00e0 m\u1ee9c \u0111\u1ed9 ph\u00e2n h\u1ee7y s\u1ea3n ph\u1ea9m nh\u1ef1a.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Nhi\u1ec7t \u0111\u1ed9 cao t\u1ef1 nhi\u00ean nh\u1ea5t ch\u00ednh l\u00e0 b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi v\u1edbi c\u00e1c tia c\u1ef1c t\u00edm, tia UV, \u0111\u00e2y ch\u00ednh l\u00e0 \u201ck\u1ebb th\u00f9\u201d c\u1ee7a chu\u1ed7i polymer. Khi ti\u1ebfp x\u00fac v\u1edbi \u00e1nh m\u1eb7t tr\u1eddi, c\u00e1c chu\u1ed7i polymer s\u1ebd h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng v\u00e0 t\u00edch l\u0169y nhi\u1ec7t nhanh ch\u00f3ng, \u0111i\u1ec1u n\u00e0y \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c v\u1eadt li\u1ec7u nh\u1ef1a s\u1ebd b\u1ecb l\u00e3o h\u00f3a nhanh ch\u00f3ng, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c th\u00e0nh ph\u1ea7n c\u1ea5u t\u1ea1o, suy gi\u1ea3m t\u00ednh ch\u1ea5t v\u00e0 \u0111\u1ed9 b\u1ec1n s\u1ea3n ph\u1ea9m. Theo c\u00e1c nghi\u00ean c\u1ee9u khoa h\u1ecdc, s\u1ee3i polypropylene &#8211; nguy\u00ean li\u1ec7u nh\u1ef1a quen thu\u1ed9c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c kho\u1ea3ng s\u00e1u ng\u00e0y ti\u1ebfp x\u00fac v\u1edbi tia UV c\u01b0\u1eddng \u0111\u1ed9 cao tr\u01b0\u1edbc khi m\u1ea5t t\u1edbi 70% ch\u1ee9c n\u0103ng.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ch\u00ednh v\u00ec v\u1eady, trong th\u00e0nh ph\u1ea7n s\u1ea3n xu\u1ea5t nh\u1ef1a, ph\u1ee5 gia kh\u00e1ng tia UV d\u00f9 ch\u1ec9 chi\u1ebfm t\u1eeb 0,5 \u2013 2% t\u1ed5ng th\u00e0nh ph\u1ea7n c\u1ea5u t\u1ea1o s\u1ea3n ph\u1ea9m, song \u0111\u00e2y l\u1ea1i l\u00e0 ph\u1ee5 gia kh\u00f4ng th\u1ec3 thi\u1ebfu nh\u1eb1m h\u1ea1n ch\u1ebf c\u00e1c t\u00e1c h\u1ea1i c\u1ee7a tia c\u1ef1c t\u00edm c\u00f3 trong \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi gi\u00fap n\u00e2ng cao \u0111\u1ed9 b\u1ec1n m\u00e0u v\u00e0 \u0111\u1ea3m b\u1ea3o c\u01a1 t\u00ednh c\u1ee7a s\u1ea3n ph\u1ea9m nh\u1ef1a.<\/span><\/p>\n<ul>\n<li aria-level=\"1\"><b>Ph\u00e2n lo\u1ea1i v\u00e0 <\/b><b>nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ph\u1ee5 gia kh\u00e1ng tia UV<\/b><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">C\u00f3 nhi\u1ec1u lo\u1ea1i ch\u1ea5t ph\u1ee5 gia kh\u00e1ng tia UV, m\u1ed7i lo\u1ea1i \u0111\u1ec1u c\u00f3 c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng v\u00e0 m\u1ee9c \u0111\u1ed9 hi\u1ec7u qu\u1ea3 kh\u00e1c nhau.<\/span><\/p>\n<h3><b>2.1. Ch\u1ea5t h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng s\u00f3ng UV<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Nh\u00f3m ph\u1ee5 gia kh\u00e1ng UV n\u00e0y ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch h\u1ea5p th\u1ee5 c\u00e1c n\u0103ng l\u01b0\u1ee3ng nh\u1eadn \u0111\u01b0\u1ee3c t\u1eeb s\u00f3ng c\u1ee7a tia UV \u0111\u1ed3ng th\u1eddi chuy\u1ec3n h\u00f3a c\u00e1c n\u0103ng l\u01b0\u1ee3ng tr\u00ean th\u00e0nh d\u1ea1ng nhi\u1ec7t v\u00f4 h\u1ea1i cho polymer. Th\u00f4ng qua \u0111\u00f3 ng\u0103n ch\u1eb7n t\u00ecnh tr\u1ea1ng h\u00ecnh th\u00e0nh c\u00e1c g\u1ed1c t\u1ef1 do g\u00e2y ph\u00e2n h\u1ee7y polymer.\u00a0<\/span><\/p>\n<h3><b>2.2. Ch\u1ea5t h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 nh\u00f3m ph\u1ee5 gia kh\u00e1ng UV c\u00f3 t\u00e1c d\u1ee5ng h\u1ea5p th\u1ee5 c\u00e1c n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t, gi\u00fap polymer h\u1ea1n ch\u1ebf qu\u00e1 tr\u00ecnh t\u00edch t\u1ee5 nhi\u1ec7t, h\u1ea1n ch\u1ebf vi\u1ec7c \u0111\u1ea1t t\u1edbi \u0111i\u1ec3m c\u1ef1c h\u1ea1n g\u00e2y \u0111\u1ee9t g\u00e3y c\u00e1c li\u00ean k\u1ebft polymer \u0111\u1ec3 gi\u1ea3i ph\u00f3ng c\u00e1c g\u1ed1c t\u1ef1 do. Qua \u0111\u00f3 ng\u0103n ch\u1eb7n t\u00ecnh tr\u1ea1ng c\u00e1c g\u1ed1c t\u1ef1 do ph\u00e1 h\u1ee7y polymer l\u00e0m bi\u1ebfn \u0111\u1ed5i t\u00ednh ch\u1ea5t c\u0169ng nh\u01b0 b\u1ec1 m\u1eb7t nh\u1ef1a.\u00a0<\/span><\/p>\n<h3><b>2.3. Ch\u1ea5t kh\u00f3a ho\u1ea1t t\u00ednh c\u1ee7a c\u00e1c g\u1ed1c t\u1ef1 do<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 nh\u00f3m ph\u1ee5 gia gi\u00fap kh\u00f3a ho\u1ea1t t\u00ednh c\u1ee7a c\u00e1c g\u1ed1c t\u1ef1 do, gi\u00fap polymer b\u1ec1n v\u1eefng h\u01a1n khi ti\u1ebfp x\u00fac v\u1edbi tia c\u1ef1c t\u00edm \u0111\u1ed3ng th\u1eddi h\u1ea1n ch\u1ebf qu\u00e1 tr\u00ecnh l\u00e3o h\u00f3a polymer trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng b\u1ecb c\u00e1c t\u00e1c \u0111\u1ed9ng c\u01a1 h\u1ecdc qu\u00e1 m\u1ee9c.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u00e1c y\u1ebfu t\u1ed1 t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c t\u1eeb m\u00f4i tr\u01b0\u1eddng nh\u01b0 c\u01a1 h\u1ecdc, nhi\u1ec7t, s\u00f3ng n\u0103ng l\u01b0\u1ee3ng (trong \u0111\u00f3 c\u00f3 s\u00f3ng UV, h\u1ed3ng ngo\u1ea1i,\u2026) v\u00e0 c\u00e1c ch\u1ea5t c\u00f3 t\u00ednh oxy h\u00f3a (oxy, peroxy,\u2026) \u0111\u1ec1u g\u00e2y ra qu\u00e1 tr\u00ecnh \u0111\u1ee9t g\u00e3y m\u1ea1ch polymer, v\u00e0 h\u00ecnh th\u00e0nh c\u00e1c g\u1ed1c t\u01b0 do kh\u00f4ng mong \u0111\u1ee3i cho polymer.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ch\u1ea5t kh\u00f3a ho\u1ea1t t\u00ednh c\u1ee7a c\u00e1c g\u1ed1c t\u1ef1 do n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c d\u00f9ng nh\u01b0 ch\u1ea5t kh\u00e1ng tia UV trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 th\u1ea5p.<\/span><\/p>\n<h3><b>2.4. Ch\u1ea5t kh\u00f3a ho\u1ea1t t\u00ednh c\u1ee7a c\u00e1c hydroperoxide<\/b><\/h3>\n<h3><span style=\"font-weight: 400;\">Trong qu\u00e1 tr\u00ecnh ph\u1ea3n \u1ee9ng d\u00e2y chuy\u1ec1n c\u1ee7a c\u00e1c nh\u00f3m ch\u1ee9a g\u1ed1c t\u1ef1 do sinh ra, c\u00e1c g\u1ed1c t\u1ef1 do c\u00f3 t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn c\u00e1c nguy\u00ean t\u1eed oxy (trong m\u00f4i tr\u01b0\u1eddng) v\u00e0 h\u00ecnh th\u00e0nh c\u00e1c hydroperoxide. C\u00e1c hydroperoxide l\u00e0 m\u1ed9t trong nh\u1eefng nh\u00e2n t\u1ed1 g\u00e2y t\u00e1c \u0111\u1ed9ng r\u1ea5t l\u1edbn \u0111\u1ebfn qu\u00e1 tr\u00ecnh tho\u00e1i h\u00f3a c\u1ee7a polymer.\u00a0<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Nh\u00f3m ph\u1ee5 gia n\u00e0y nh\u1eb1m k\u00ecm h\u00e3m v\u00e0 v\u00f4 hi\u1ec7u h\u00f3a c\u00e1c hydroperoxide \u0111\u01b0\u1ee3c xem l\u00e0 nh\u1eefng ch\u1ea5t kh\u00e1ng tia UV hi\u1ec7u qu\u1ea3. Ph\u1ea7n l\u1edbn c\u00e1c tia UV thu\u1ed9c nh\u00f3m kh\u00f3a ho\u1ea1t t\u00ednh g\u1ed1c t\u1ef1 do c\u0169ng c\u00f3 t\u00ednh n\u0103ng kh\u00f3a ho\u1ea1t t\u00ednh hydroperoxide. Tuy nhi\u00ean ng\u01b0\u1eddi ta c\u0169ng c\u00f3 th\u1ec3 d\u00f9ng m\u1ed9t s\u1ed1 h\u1ee3p ch\u1ea5t c\u00f3 t\u00ednh kh\u1eed \u0111\u1ec3 lo\u1ea1i b\u1ecf m\u1ed9t c\u00e1ch ch\u1ee7 \u0111\u1ed9ng c\u00e1c hydroperoxide n\u00e0y.<\/span><\/p>\n<ul>\n<li aria-level=\"1\"><b>\u1ee8ng d\u1ee5ng c\u1ee7a ph\u1ee5 gia kh\u00e1ng tia UV<\/b><\/li>\n<\/ul>\n<h3><b>3.1. \u1ee8ng d\u1ee5ng trong ng\u00e0nh s\u1ea3n xu\u1ea5t \u00f4 t\u00f4<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ph\u1ee5 gia ch\u1ed1ng tia UV \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn trong s\u1ea3n xu\u1ea5t c\u00e1c chi ti\u1ebft n\u1ed9i th\u1ea5t\/ngo\u1ea1i th\u1ea5t b\u1eb1ng nh\u1ef1a cho \u00f4 t\u00f4. Ngo\u00e0i vi\u1ec7c gi\u1eef g\u00ecn v\u1ebb ngo\u00e0i c\u1ee7a xe, ch\u1ea5t ph\u1ee5 gia kh\u00e1ng tia UV c\u00f2n g\u00f3p ph\u1ea7n mang l\u1ea1i tu\u1ed5i th\u1ecd v\u00e0 \u0111\u1ed9 b\u1ec1n t\u1ed5ng th\u1ec3 cho xe b\u1eb1ng c\u00e1ch b\u1ea3o v\u1ec7 c\u00e1c b\u1ed9 ph\u1eadn b\u00ean ngo\u00e0i kh\u1ecfi s\u1ef1 xu\u1ed1ng c\u1ea5p do tia c\u1ef1c t\u00edm g\u00e2y ra, c\u00e1c ch\u1ea5t ph\u1ee5 gia n\u00e0y gi\u00fap duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n v\u1ec1 c\u1ea5u tr\u00fac c\u1ee7a xe, k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd v\u00e0 gi\u1ea3m nhu c\u1ea7u s\u1eeda ch\u1eefa ho\u1eb7c thay th\u1ebf th\u01b0\u1eddng xuy\u00ean.<\/span><\/li>\n<\/ul>\n<h3><b>3.2. \u1ee8ng d\u1ee5ng trong <\/b><b>ng\u00e0nh n\u00f4ng &#8211; l\u00e2m &#8211; ng\u01b0 nghi\u1ec7p<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ph\u1ee5 gia ch\u1ed1ng tia UV \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong c\u00e1c v\u1eadt d\u1ee5ng ph\u1ee5c v\u1ee5 n\u00f4ng nghi\u1ec7p (nh\u01b0 m\u00e0ng nh\u00e0 k\u00ednh, m\u00e0ng ph\u1ee7 n\u00f4ng nghi\u1ec7p,&#8230;) hay ng\u01b0 nghi\u1ec7p (nh\u01b0 l\u01b0\u1edbi \u0111\u00e1nh c\u00e1,&#8230;). \u0110\u1eb7c bi\u1ec7t, \u1ee9ng d\u1ee5ng ph\u1ee5 gia ch\u1ed1ng tia UV trong m\u00e0ng n\u00f4ng nghi\u1ec7p kh\u00f4ng ch\u1ec9 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n v\u1eefng cho v\u1eadt li\u1ec7u m\u00e0 c\u00f2n h\u1ea1n ch\u1ebf t\u00e1c h\u1ea1i c\u1ee7a b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi t\u1edbi hoa m\u00e0u, \u0111em l\u1ea1i hi\u1ec7u qu\u1ea3 kinh t\u1ebf l\u1edbn cho b\u00e0 con n\u00f4ng d\u00e2n.\u00a0<\/span><\/li>\n<\/ul>\n<h3><b>3.3. \u1ee8ng d\u1ee5ng trong v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1c ch\u1ea5t ph\u1ee5 gia \u1ed5n \u0111\u1ecbnh tia c\u1ef1c t\u00edm \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng x\u00e2y d\u1ef1ng ngo\u00e0i tr\u1eddi, n\u01a1i v\u1eadt li\u1ec7u th\u01b0\u1eddng xuy\u00ean ti\u1ebfp x\u00fac v\u1edbi \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi. N\u1ebfu kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng tia c\u1ef1c t\u00edm th\u00edch h\u1ee3p, c\u00e1c v\u1eadt li\u1ec7u nh\u01b0 \u1ed1ng nh\u1ef1a, t\u1ea5m l\u1ee3p c\u00f3 th\u1ec3 tr\u1edf n\u00ean gi\u00f2n, m\u1ea5t m\u00e0u, d\u1ec5 b\u1ecb n\u1ee9t v\u00e0 xu\u1ed1ng c\u1ea5p. Ngo\u00e0i vi\u1ec7c b\u1ea3o v\u1ec7 v\u1eadt li\u1ec7u, ch\u1ea5t ph\u1ee5 gia \u1ed5n \u0111\u1ecbnh tia c\u1ef1c t\u00edm c\u00f2n gi\u00fap duy tr\u00ec t\u00ednh th\u1ea9m m\u1ef9 c\u1ee7a s\u1ea3n ph\u1ea9m x\u00e2y d\u1ef1ng. B\u1eb1ng c\u00e1ch ng\u0103n ch\u1eb7n s\u1ef1 phai m\u00e0u v\u00e0 suy tho\u00e1i b\u1ec1 m\u1eb7t, c\u00e1c ch\u1ea5t ph\u1ee5 gia n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng v\u1eadt li\u1ec7u gi\u1eef \u0111\u01b0\u1ee3c h\u00ecnh d\u00e1ng v\u00e0 hi\u1ec7u su\u1ea5t ban \u0111\u1ea7u theo th\u1eddi gian, gi\u00fap s\u1ea3n ph\u1ea9m b\u1ec1n h\u01a1n v\u00e0 \u0111\u00e1ng tin c\u1eady h\u01a1n, k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a c\u00f4ng tr\u00ecnh.<\/span><\/li>\n<\/ul>\n<h3><b>3.4. \u1ee8ng d\u1ee5ng trong ng\u00e0nh s\u1ea3n xu\u1ea5t c\u00e1c v\u1eadt li\u1ec7u ngo\u00e0i tr\u1eddi<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ch\u1ea5t ph\u1ee5 gia kh\u00e1ng tia UV c\u0169ng \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong v\u1eadt li\u1ec7u s\u1ee3i v\u00e0 g\u1ed7 t\u1ef1 nhi\u00ean \u0111\u1ec3 ng\u0103n ch\u1eb7n m\u00e0u b\u1ecb phai trong c\u00e1c s\u1ea3n ph\u1ea9m ngo\u00e0i tr\u1eddi: b\u1ea1t che, gh\u1ebf s\u00e2n v\u1eadn \u0111\u1ed9ng, s\u1ea3n ph\u1ea9m s\u00e2n v\u01b0\u1eddn, d\u00e2y truy\u1ec1n t\u1ea3i \u0111i\u1ec7n, h\u1ed9p \u0111\u1ea5u n\u1ed1i ngo\u00e0i tr\u1eddi, m\u00e0ng ph\u1ee7 n\u00f4ng nghi\u1ec7p, m\u00e0ng ph\u1ee7 nh\u00e0 k\u00ednh,\u2026<\/span><\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"alignnone wp-image-1427\" src=\"https:\/\/bmmach.com\/wp-content\/uploads\/2022\/03\/maxresdefault-300x169.webp\" alt=\"\" width=\"800\" height=\"450\" srcset=\"https:\/\/bmmach.com\/wp-content\/uploads\/2022\/03\/maxresdefault-300x169.webp 300w, https:\/\/bmmach.com\/wp-content\/uploads\/2022\/03\/maxresdefault-768x432.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3><b>3.5. C\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ph\u1ee5 gia kh\u00e1ng tia UV c\u00f2n \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong c\u00e1c ng\u00e0nh s\u1ea3n xu\u1ea5t m\u00e0ng film (c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n m\u00e0u), \u0111\u00fac phun HDPE, b\u0103ng keo HDPE, m\u00e0ng th\u1ed5i LDPE ho\u1eb7c LLDPE, k\u00e9o s\u1ee3i PP, b\u0103ng keo PP,&#8230;\u0111\u1ec3 h\u1ea1n ch\u1ebf t\u00e1c h\u1ea1i c\u1ee7a b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi t\u1edbi s\u1ea3n ph\u1ea9m. Qua \u0111\u00f3 n\u00e2ng cao tu\u1ed5i th\u1ecd v\u00e0 gi\u00e1 tr\u1ecb s\u1ea3n ph\u1ea9m.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Tr\u00ean \u0111\u00e2y l\u00e0 nh\u1eefng ki\u1ebfn th\u1ee9c t\u1ed5ng quan v\u1ec1 ph\u1ee5 gia kh\u00e1ng tia UV trong c\u00f4ng nghi\u1ec7p s\u1ea3n xu\u1ea5t nh\u1ef1a, <\/span><span style=\"font-weight: 400;\">pg nổ hũ đổi thưởng
 Chemicals hy v\u1ecdng <\/span><span style=\"font-weight: 400;\">b\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u1eefu \u00edch \u0111\u1ed1i v\u1edbi c\u00e1c b\u1ea1n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u1eebng qu\u00ean pg nổ hũ đổi thưởng
 Chemicals<\/span><span style=\"font-weight: 400;\"> ch\u00fang t\u00f4i lu\u00f4n s\u1eb5n s\u00e0ng cung c\u1ea5p c\u00e1c lo\u1ea1i h\u00f3a ch\u1ea5t c\u00f4ng nghi\u1ec7p ch\u1ea5t l\u01b0\u1ee3ng cao, \u0111\u01b0\u1ee3c nh\u1eadp kh\u1ea9u v\u1edbi \u0111\u1ea7y \u0111\u1ee7 ch\u1ee9ng nh\u1eadn ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m.\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trong nh\u1eefng b\u00e0i chia s\u1ebb k &#8230;<\/p>\n","protected":false},"author":1,"featured_media":1427,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,46],"tags":[],"class_list":["post-1900","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tu-van-chuyen-sau","category-chuyen-nganh-nhua"],"acf":[],"_links":{"self":[{"href":"https:\/\/bmmach.com\/zh-hans\/wp-json\/wp\/v2\/posts\/1900","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bmmach.com\/zh-hans\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bmmach.com\/zh-hans\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bmmach.com\/zh-hans\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bmmach.com\/zh-hans\/wp-json\/wp\/v2\/comments?post=1900"}],"version-history":[{"count":2,"href":"https:\/\/bmmach.com\/zh-hans\/wp-json\/wp\/v2\/posts\/1900\/revisions"}],"predecessor-version":[{"id":1902,"href":"https:\/\/bmmach.com\/zh-hans\/wp-json\/wp\/v2\/posts\/1900\/revisions\/1902"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bmmach.com\/zh-hans\/wp-json\/wp\/v2\/media\/1427"}],"wp:attachment":[{"href":"https:\/\/bmmach.com\/zh-hans\/wp-json\/wp\/v2\/media?parent=1900"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bmmach.com\/zh-hans\/wp-json\/wp\/v2\/categories?post=1900"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bmmach.com\/zh-hans\/wp-json\/wp\/v2\/tags?post=1900"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}