現在市面上主要的膠(jiao)(jiao)粘劑分(fen)為(wei)水性(xing)膠(jiao)(jiao),溶(rong)劑型膠(jiao)(jiao),和(he)熱熔膠,每一(yi)類都(dou)有(you)其獨特的特點(dian)。熱熔(rong)膠(jiao)(jiao)(jiao)主要(yao)是固(gu)化(hua)時間(jian)快,粘(zhan)接強度(du)(du)高,環保(bao),還(huan)能起填補作用(yong),特別適合全自動生產需求,適用(yong)的材料(liao)廣。水性膠(jiao)(jiao)(jiao)主要(yao)是以(yi)(yi)水為溶(rong)劑(ji)(ji)(ji)的膠(jiao)(jiao)(jiao)黏劑(ji)(ji)(ji),主要(yao)特點(dian)是無(wu)毒(du)不燃(ran),綠色環保(bao),初粘(zhan)性強,但干燥速度(du)(du)慢,粘(zhan)性不穩定,對溫度(du)(du)比(bi)較敏感,適用(yong)材料(liao)相對單一(yi)。溶(rong)劑(ji)(ji)(ji)型膠(jiao)(jiao)(jiao)主要(yao)以(yi)(yi)有(you)機溶(rong)劑(ji)(ji)(ji)為溶(rong)劑(ji)(ji)(ji)的膠(jiao)(jiao)(jiao)黏劑(ji)(ji)(ji),主要(yao)特點(dian)是粘(zhan)接強度(du)(du)高,耐水性好,但揮發性大,污染較大等。隨著近年社會提倡環保(bao),人(ren)們愈加認識到溶(rong)劑(ji)(ji)(ji)型膠(jiao)(jiao)(jiao)帶來的危害。
水性膠(jiao)雖然(ran)是環保的,但與熱熔膠相(xiang)比應用領域太(tai)少(shao),而熱熔膠(jiao)(jiao)的應用非常(chang)廣(guang)泛,取代水性膠(jiao)(jiao)和溶(rong)(rong)劑型膠(jiao)(jiao)黏劑是未來(lai)發展的方向(xiang)。這樣不僅能減(jian)少(shao)溶(rong)(rong)劑排放,避免造成環境污染,還(huan)可以保(bao)護生產(chan)工(gong)人的健(jian)康,所以說熱熔膠(jiao)(jiao)即環保(bao)又安(an)全!
