{"id":825,"date":"2020-02-22T00:49:49","date_gmt":"2020-02-21T17:49:49","guid":{"rendered":"https:\/\/greenlife-world.com.vn\/en\/?p=825"},"modified":"2020-02-22T00:49:49","modified_gmt":"2020-02-21T17:49:49","slug":"cac-thanh-phan-chinh-trong-keo-nong-cha%cc%89y","status":"publish","type":"post","link":"https:\/\/greenlife-world.com.vn\/en\/cac-thanh-phan-chinh-trong-keo-nong-cha%cc%89y\/","title":{"rendered":"CA\u0301C THA\u0300NH PH\u00c2\u0300N CHI\u0301NH TRONG KEO NO\u0301NG CHA\u0309Y"},"content":{"rendered":"<p><strong>Nh\u01b0\u0323a Hydrocarbon: \u00a0<\/strong>la\u0300 tha\u0300nh ph\u00e2\u0300n co\u0301 tro\u0323ng l\u01b0\u01a1\u0323ng ph\u00e2n t\u01b0\u0309 th\u00e2\u0301p quan tro\u0323ng \u0111\u01b0\u01a1\u0323c s\u01b0\u0309 du\u0323ng trong ca\u0301c ch\u00e2\u0301t k\u00ea\u0301t di\u0301nh no\u0301ng cha\u0309y va\u0300 nha\u0323y a\u0301p, chu\u0301ng a\u0309nh h\u01b0\u01a1\u0309ng d\u00ea\u0301n chi phi\u0301 va\u0300 hi\u00ea\u0323u su\u00e2\u0301t cu\u0309a ca\u0301c th\u00f4ng s\u00f4\u0301 ky\u0303 thu\u00e2\u0323t.<\/p>\n<p>Nh\u01b0\u0323a Rosin \u0111\u01b0\u01a1\u0323c l\u00e2\u0301y t\u01b0\u0300 nh\u01b0\u0323a c\u00e2y th\u00f4ng, chu\u0301ng cung c\u00e2\u0301p \u0111\u00f4\u0323 ba\u0301m di\u0301nh t\u00f4\u0301t cho h\u00e2\u0300u h\u00ea\u0301t ca\u0301c loa\u0323i polyme. Chu\u0301ng \u0111\u01b0\u01a1\u0323c s\u01b0\u0309 du\u0323ng chu\u0309 y\u00ea\u0301u \u0111\u00ea\u0309 la\u0300m di\u0301nh ca\u0301c ca\u0301o su t\u01b0\u0323 nhi\u00ean,\u00a0ethylene vinyl acetate (EVA), acrylic, styrene butadiene rubber (SBR), styrene butadiene copolymers, va\u0300\u00a0polyurethane. b\u0103\u0300ng ca\u0301ch este hoa\u0301 nh\u01b0\u0323a th\u00f4ng ta\u00a0co\u0301 \u0111\u01b0\u01a1\u0323c nh\u01b0\u0323a rosin este.<\/p>\n<p>Ngoa\u0300i ra, ca\u0301c nh\u01b0\u0323a hydrocacbon co\u0300n \u0111\u01b0\u01a1\u0323c \u0111i\u00ea\u0300u ch\u00ea\u0301 t\u01b0\u0300 nguy\u00ean li\u00ea\u0323u d\u00e2\u0300u mo\u0309, do \u0111o\u0301 chu\u0301ng th\u01b0\u01a1\u0300ng co\u0301 li\u00ean quan \u0111\u00ea\u0301 gia\u0301 x\u0103ng d\u00e2\u0300u.\u00a0Khi so sa\u0301nh v\u01a1\u0301i nh\u01b0\u0323a th\u00f4ng, ca\u0301c hydrocecbon na\u0300y co\u0301 \u0111\u00f4\u0323 t\u01b0\u01a1ng thi\u0301ch v\u01a1\u0301i ca\u0301c polymer th\u00e2\u0301p h\u01a1n.<\/p>\n<p>M\u00f4\u0323t da\u0323ng tackifier kha\u0301c t\u01b0\u0300 thi\u00ean nhi\u00ean ngu\u00f4\u0300n g\u00f4\u0301c t\u01b0\u0300 nh\u01b0\u0323a th\u00f4ng la\u0300 nh\u01b0\u0323a terpene. Da\u0323ng na\u0300y kha\u0301 ph\u00f4\u0309 bi\u00ea\u0301n do chu\u0301ng co\u0301 kha\u0309 n\u0103ng t\u01b0\u01a1ng thi\u0301ch v\u01a1\u0301i m\u00f4\u0323t s\u00f4\u0301 loa\u0323i polyme nh\u01b0 EVA, polyethylen, cao su t\u01b0\u0323 nhi\u00ean,cao su styren butadien, copolyme styren butadien va\u0300 nhi\u00ea\u0300u loa\u0323i nh\u01b0\u0323a kha\u0301c. nh\u01b0\u0323a terpen co\u0301 kha\u0309 n\u0103ng t\u01b0\u01a1ng thi\u0301ch v\u01a1\u0301i nh\u01b0\u0323a polyolefin va\u0300 nh\u01b0\u0323a SIS.<\/p>\n<p>Nh\u01b0\u0323a Terpen giu\u0301p ca\u0309i thi\u00ea\u0323n \u0111\u00f4\u0323 ba\u0301m di\u0301nh t\u00f4\u0301t va\u0300 gi\u01b0\u0303 \u0111\u01b0\u01a1\u0323c ma\u0300u t\u00f4\u0301t h\u01a1n cho h\u00e2\u0300u h\u00ea\u0301t ca\u0301c loa\u0323i polyme. Ca\u0301c loa\u0323i nh\u01b0\u0323a na\u0300y cu\u0303ng phu\u0300 h\u01a1\u0323p v\u01a1\u0301i ca\u0301c quy \u0111i\u0323nh ti\u00ea\u0301p xu\u0301c v\u01a1\u0301i th\u01b0\u0323c ph\u00e2\u0309m. Do ti\u0301nh ch\u00e2\u0301t va\u0300 ngu\u00f4\u0300n g\u00f4c t\u01b0\u0323 nhi\u00ean n\u00ean nh\u01b0\u0323a Terpen \u0111\u01b0\u01a1\u0323c s\u01b0\u0309 du\u0323ng nhi\u00ea\u0300u nh\u01b0ng do ngu\u00f4\u0300n cung c\u00e2\u0301p bi\u0323 gi\u01a1\u0301i ha\u0323n n\u00ean th\u01b0\u01a1\u0300ng co\u0301 m\u01b0\u0301c gia\u0301 kha\u0301 cao.<\/p>\n<p><strong>Polyme<\/strong><\/p>\n<p>Polyme la\u0300 tha\u0300nh ph\u00e2\u0300n chi\u0301nh c\u01a1 ba\u0309n cho keo no\u0301ng cha\u0309y. B\u00e2\u0301t ky\u0300 m\u00f4\u0323t loa\u0323i polyme\u00a0na\u0300o cu\u0303ng \u0111\u00ea\u0300u co\u0301 th\u00ea\u0309 \u0111\u01b0\u01a1\u0323c s\u01b0\u0309 du\u0323ng la\u0300m keo da\u0301n. Chu\u0301ng mang la\u0323i ca\u0301c l\u01a1\u0323i i\u0301ch nh\u01b0 t\u0103ng ti\u0301nh linh hoa\u0323t, \u00a0ca\u0309i thi\u00ea\u0323n \u0111\u00f4\u0323 ma\u0323nh, \u0111\u00f4\u0323 ba\u0301m di\u0301nh va\u0300 r\u00e2\u0301t nhi\u00ea\u0300u \u0111\u0103\u0323c ti\u0301nh kha\u0301c.<\/p>\n<p>M\u00f4\u0323t s\u00f4\u0301 loa\u0323i polyme ph\u00f4\u0309 bi\u00ea\u0301n th\u01b0\u01a1\u0300ng \u0111\u01b0\u01a1\u0323c du\u0300ng trong keo da\u0301n no\u0301ng cha\u0309y bao g\u00f4\u0300m:<\/p>\n<ul>\n<li><strong>EVA:<\/strong>\u00a0\u0110\u00e2y la\u0300 m\u00f4\u0323t loa\u0323i copolyme cu\u0309a ethylen va\u0300 vinyl acetat. \u0110\u00e2y la\u0300 loa\u0323i polyme ph\u00f4\u0309 bi\u00ea\u0301n\u00a0nh\u00e2\u0301t \u0111\u01b0\u01a1\u0323c du\u0300ng trong keo da\u0301n no\u0301ng cha\u0309y. Ca\u0301c polyme na\u0300y co\u0301 kha\u0309 n\u0103ng t\u01b0\u01a1ng thi\u0301ch t\u00f4\u0301t v\u01a1\u0301i nhi\u00ea\u0300u loa\u0323i tackifier va\u0300 xa\u0301 loa\u0323i sa\u0301p\/d\u00e2\u0300u. Khi so sa\u0301nh gi\u01b0\u0303a\u00a0keo no\u0301ng cha\u0309y polyolefin va\u0300 keo no\u0301ng cha\u0309y EVA thi\u0300 EVA tan nhanh h\u01a1n va\u0300 cu\u0303ng \u0111\u01b0\u01a1\u0323c \u0111a\u0301nh gia\u0301 la\u0300 co\u0301 hi\u00ea\u0323u su\u00e2\u0301t cao h\u01a1n polyolefin. Keo no\u0301ng cha\u0309y EVA \u0111\u01b0\u01a1\u0323c s\u01b0\u0309\u00a0du\u0323ng r\u00f4\u0323ng ra\u0303i\u00a0trong ca\u0301c \u01b0\u0301ng du\u0323ng nh\u01b0 \u0111o\u0301ng go\u0301i, \u0111o\u0301ng sa\u0301ch, \u00f4 t\u00f4, gia\u0300y de\u0301p&#8230;.<\/li>\n<li><strong>APO<\/strong>: APO\/APAO la\u0300 vi\u00ea\u0301t t\u0103\u0301t cu\u0309a ca\u0301c poly alpha olefin v\u00f4 \u0111i\u0323nh hi\u0300nh la\u0300 s\u01b0\u0323 k\u00ea\u0301t h\u01a1\u0323p cu\u0309a nhi\u00ea\u0300u alpha olefin kha\u0301c nhau nh\u01b0 ethylen, propan, butan,&#8230; Trong \u0111o\u0301 polyethylen la\u0300 ph\u00f4\u0309 bi\u00ea\u0301n trong nho\u0301m na\u0300y. Keo no\u0301ng cha\u0309y d\u01b0\u0323a tr\u00ean ca\u0301c olefin chu\u0309 y\u00ea\u0301u \u0111\u01b0\u01a1\u0323c s\u01b0\u0309 du\u0323ng trong ca\u0301c \u01b0\u0301ng udngj v\u00ea\u0300 \u00f4 t\u00f4 va\u0300 bao bi\u0300.N\u0103ng l\u01b0\u01a1\u0323ng b\u00ea\u0300 m\u0103\u0323t th\u00e2\u0301p va\u0300 kha\u0309 n\u0103ng th\u00e2\u0301m \u01b0\u01a1\u0301t h\u00e2\u0300u h\u00ea\u0301t ca\u0301c b\u00ea\u0300 m\u0103\u0323t la\u0300m cho keo no\u0301ng cha\u0309y olefin tr\u01a1\u0309 n\u00ean xu\u00e2\u0301t s\u0103\u0301c.<\/li>\n<li>\u00a0<strong>SBC<\/strong>: la\u0300 ca\u0301c copolyme kh\u00f4\u0301i b\u0103\u0301t \u0111\u00e2\u0300u v\u01a1\u0301i ca\u0301c tha\u0300nh ph\u00e2\u0300n co\u0301 ti\u0301nh m\u00ea\u0300n nh\u01b0 butadien, isopren. SBC\u00a0co\u0301 th\u00ea\u0309 d\u00ea\u0309 da\u0300ng pha ch\u00ea\u0301 tha\u0300nh keo da\u0301n no\u0301ng cha\u0309y.<\/li>\n<li><strong>PA<\/strong>: Polyamid \u0111\u01b0\u01a1\u0323c xem la\u0300 m\u00f4\u0323t loa\u0323i ch\u00e2\u0301t k\u00ea\u0301t di\u0301nh no\u0301ng cha\u0309y co\u0301 hi\u00ea\u0323u su\u00e2\u0301t cao. khi so sa\u0301nh Polyamid du\u0300ng trong ky\u0303 thu\u00e2\u0323t ch\u00e2\u0301t de\u0309o. Ch\u00e2\u0301t k\u00ea\u0301t di\u0301nh no\u0301ng cha\u0309y polyamid co\u0301 \u0111i\u00ea\u0309m no\u0301ng cha\u0309y th\u00e2\u0301p h\u01a1n so v\u01a1\u0301i polyamid du\u0300ng trong nh\u01b0\u0323a ky\u0303 thu\u00e2\u0323t. Ngoa\u0300i ra, khi so sa\u0301nh v\u01a1\u0301i keo no\u0301ng cha\u0309y EVA, keo no\u0301ng cha\u0309y polyamid co\u0301 kha\u0309 n\u0103ng chi\u0323u nhi\u00ea\u0323t t\u00f4\u0301t va\u0300 c\u00e2\u0300n i\u0301t phu\u0323 gia h\u01a1n. \u0110i\u00ea\u0300u ha\u0323n ch\u00ea\u0301 cu\u0309a ch\u00e2\u0301t k\u00ea\u0301t di\u0301nh no\u0301ng cha\u0309y na\u0300y la\u0300 chu\u0301ng kha\u0301\u00a0\u0111\u0103\u0301t. Chu\u0301ng chu\u0309 y\u00ea\u0301u \u0111\u01b0\u01a1\u0323c s\u01b0\u0309\u00a0du\u0323ng trong ca\u0301c \u01b0\u0301ng du\u0323ng li\u00ean quan \u0111\u00ea\u0301n va\u0309i d\u00ea\u0323t.<\/li>\n<li><strong>PUR:\u00a0<\/strong>Khi chu\u0301ng ta no\u0301i v\u00ea\u0300 ch\u00e2\u0301t k\u00ea\u0301t dinh polyurethan, trong h\u00e2\u0300u h\u00ea\u0301t ca\u0301c tr\u01b0\u01a1\u0300ng h\u01a1\u0323p. Chu\u0301ng la\u0300 cacd ch\u00e2\u0301t no\u0301ng cha\u0309y pha\u0309n \u01b0\u0301ng, chu\u0301ng co\u0301 li\u00ean k\u00ea\u0301t che\u0301o sau khi a\u0301p du\u0323ng v\u01a1\u0301i \u0111\u00f4\u0323 \u00e2\u0309m. Ca\u0301c ch\u00ea\u0301t k\u00ea\u0301t di\u0301nh pha\u0309n \u01b0\u0301ng\u00a0no\u0301ng cha\u0309y polyurethan thu \u0111\u01b0\u01a1\u0323c t\u01b0\u0300 ca\u0301c polyme polyurethan v\u01a1\u0301i ca\u0301c nho\u0301m isocyanat d\u00e2\u0300u cu\u00f4\u0301i. Khi chaatd k\u00ea\u0301t di\u0301nh polyurethan \u0111\u01b0\u01a1\u0323c a\u0301p du\u0323ng l\u00ean b\u00ea\u0300 m\u0103\u0323t, ca\u0301c nho\u0301n isocyanat cu\u00f4\u0301i cu\u0300ng pha\u0309n \u01b0\u0301ng v\u01a1\u0301i \u0111\u00f4\u0323 \u00e2\u0309m m\u00f4i tr\u01b0\u01a1\u0300ng xung quanh tr\u01a1\u0309 tha\u0300nh m\u00f4\u0323t nh\u01b0\u0323a nhi\u00ea\u0323t de\u0309o.<\/li>\n<li>Sa\u0301p:\u00a0Sa\u0301p \u0111\u01b0\u01a1\u0323c th\u00eam va\u0300o \u0111\u00ea\u0309 la\u0300m t\u0103ng t\u00f4\u0301c \u0111\u00f4\u0323 no\u0301ng cha\u0309y, ca\u0309i thi\u00ea\u0323n kha\u0309 n\u0103ng chi\u0323u nhi\u00ea\u0323t va\u0300 la\u0300m gia\u0309m \u0111\u00f4\u0323 nh\u01a1\u0301t cu\u0309a keo no\u0301ng cha\u0309y. Giu\u0301p cho keo no\u0301ng cha\u0309y co\u0301 \u0111\u00f4\u0323 li\u00ean k\u00ea\u0301t t\u00f4\u0301t. Sa\u0301p \u0111\u01b0\u01a1\u0323c s\u01b0\u0309 du\u0323ng th\u01b0\u01a1\u0300ng t\u01b0\u0300 t\u01b0\u0323 nhi\u00ean, t\u01b0\u0300 d\u00e2\u0300u mo\u0309, ho\u0103\u0323c t\u00f4\u0309ng h\u01a1\u0323p. Ho\u0103\u0323c co\u0301 ngu\u00f4\u0300n g\u00f4\u0301c t\u01b0\u0300 ca\u0301c sa\u0309n ph\u00e2\u0309m ch\u01b0ng c\u00e2\u0301t d\u00e2\u0300u mo\u0309 ho\u0103\u0323c ph\u00ea\u0301 tha\u0309i (polyethylen, polypropylen, polytetraflouroethylen, sa\u0301p\u00a0Fischer-Tropsch). Ca\u0301c keo no\u0301ng cha\u0309y EVA \u00a0th\u01b0\u01a1\u0300ng \u0111\u01b0\u01a1\u0323c la\u0300m t\u01b0\u0300 sa\u0301p Fischer-Tropsch \u0111\u00ea\u0309 \u0111i\u00ea\u0300u chi\u0309nh th\u01a1\u0300i gia thi\u00ea\u0301t l\u00e2\u0323p va\u0300 ca\u0309i thi\u00ea\u0323n ti\u0301nh chi\u0323u nhi\u00ea\u0323t cu\u0309a keo.<\/li>\n<li>Trong ha\u0300u h\u00ea\u0301t ca\u0301c tr\u01b0\u01a1\u0300ng h\u01a1\u0323p sa\u0301p co\u0301 th\u00ea\u0309 a\u0309nh h\u01b0\u01a1\u0309ng kh\u00f4ng t\u00f4\u0301t \u0111\u00ea\u0301n \u0111\u00f4\u0323 ba\u0301m di\u0301nh. \u0110u\u0301ng la\u0300 h\u00e2\u0300u h\u00ea\u0301t sa\u0301p co\u0301 s\u01b0\u0301c c\u0103ng b\u00ea\u0300 m\u0103\u0323t \u00a0th\u00e2\u0301p va\u0300 se\u0303 la\u0300m \u01b0\u01a1\u0301t b\u00ea\u0300 m\u0103\u0323t. Nh\u01b0ng sa\u0301p se\u0303 la\u0300m c\u01b0\u0301ng keo no\u0301ng cha\u0309y. \u0110i\u00ea\u0300u na\u0300y se\u0303 kh\u00f4ng t\u00f4\u0301t cho \u0111\u00f4\u0323 ba\u0301m di\u0301nh cu\u0309a keo. Sa\u0301p cu\u0303ng la\u0300m keo da\u0301n no\u0301ng cha\u0309y co\u0301 la\u0323i, \u0111i\u00ea\u0300u na\u0300y cu\u0303ng kh\u00f4ng t\u00f4\u0301t cho \u0111\u00f4\u0323 ba\u0301m di\u0301nh cu\u0309a keo.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Nh\u01b0\u0323a Hydrocarbon: \u00a0la\u0300 tha\u0300nh ph\u00e2\u0300n co\u0301 tro\u0323ng l\u01b0\u01a1\u0323ng ph\u00e2n t\u01b0\u0309 th\u00e2\u0301p quan tro\u0323ng \u0111\u01b0\u01a1\u0323c s\u01b0\u0309 du\u0323ng trong ca\u0301c ch\u00e2\u0301t k\u00ea\u0301t di\u0301nh no\u0301ng cha\u0309y va\u0300 nha\u0323y a\u0301p, chu\u0301ng a\u0309nh h\u01b0\u01a1\u0309ng d\u00ea\u0301n chi phi\u0301 va\u0300 hi\u00ea\u0323u su\u00e2\u0301t cu\u0309a ca\u0301c th\u00f4ng s\u00f4\u0301 ky\u0303 thu\u00e2\u0323t. Nh\u01b0\u0323a Rosin \u0111\u01b0\u01a1\u0323c l\u00e2\u0301y t\u01b0\u0300 nh\u01b0\u0323a c\u00e2y th\u00f4ng, chu\u0301ng cung c\u00e2\u0301p \u0111\u00f4\u0323 ba\u0301m di\u0301nh &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"yst_prominent_words":[],"class_list":["post-825","post","type-post","status-publish","format-standard","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/greenlife-world.com.vn\/en\/wp-json\/wp\/v2\/posts\/825","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/greenlife-world.com.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/greenlife-world.com.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/greenlife-world.com.vn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/greenlife-world.com.vn\/en\/wp-json\/wp\/v2\/comments?post=825"}],"version-history":[{"count":1,"href":"https:\/\/greenlife-world.com.vn\/en\/wp-json\/wp\/v2\/posts\/825\/revisions"}],"predecessor-version":[{"id":827,"href":"https:\/\/greenlife-world.com.vn\/en\/wp-json\/wp\/v2\/posts\/825\/revisions\/827"}],"wp:attachment":[{"href":"https:\/\/greenlife-world.com.vn\/en\/wp-json\/wp\/v2\/media?parent=825"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/greenlife-world.com.vn\/en\/wp-json\/wp\/v2\/categories?post=825"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/greenlife-world.com.vn\/en\/wp-json\/wp\/v2\/tags?post=825"},{"taxonomy":"yst_prominent_words","embeddable":true,"href":"https:\/\/greenlife-world.com.vn\/en\/wp-json\/wp\/v2\/yst_prominent_words?post=825"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}