現(xian)在市面上主(zhu)要的膠(jiao)粘劑分為水性膠(jiao),溶劑型膠(jiao),和(he)熱熔膠(jiao),每一類都有其(qi)獨(du)特的(de)特點。熱(re)熔(rong)膠(jiao)(jiao)主要是固化(hua)時間(jian)快,粘(zhan)接(jie)強(qiang)度高,環保(bao),還能起填補作用(yong),特別適(shi)合(he)全自動生產需求,適(shi)用(yong)的(de)材(cai)料廣。水性(xing)膠(jiao)(jiao)主要是以水為溶(rong)(rong)(rong)劑的(de)膠(jiao)(jiao)黏劑,主要特點是無(wu)毒不(bu)燃,綠色環保(bao),初(chu)粘(zhan)性(xing)強(qiang),但(dan)干燥速度慢,粘(zhan)性(xing)不(bu)穩定,對溫度比較敏感,適(shi)用(yong)材(cai)料相對單一。溶(rong)(rong)(rong)劑型膠(jiao)(jiao)主要以有機溶(rong)(rong)(rong)劑為溶(rong)(rong)(rong)劑的(de)膠(jiao)(jiao)黏劑,主要特點是粘(zhan)接(jie)強(qiang)度高,耐水性(xing)好,但(dan)揮發性(xing)大,污染較大等。隨著近年社會提倡環保(bao),人們愈(yu)加認識(shi)到溶(rong)(rong)(rong)劑型膠(jiao)(jiao)帶來的(de)危(wei)害(hai)。
水(shui)性膠(jiao)雖然(ran)是環保的,但與(yu)熱熔膠(jiao)相比應用(yong)(yong)領域太少,而熱熔(rong)膠(jiao)(jiao)的(de)應用(yong)(yong)非常廣泛(fan),取代水性膠(jiao)(jiao)和(he)溶劑(ji)(ji)型膠(jiao)(jiao)黏劑(ji)(ji)是未來發展的(de)方向。這(zhe)樣不僅能減少溶劑(ji)(ji)排放,避免造成環境污染,還(huan)可以保(bao)護生產工人的(de)健(jian)康,所以說(shuo)熱熔(rong)膠(jiao)(jiao)即(ji)環保(bao)又(you)安全(quan)!
