現在(zai)市面上主要的膠粘劑分為水性膠,溶(rong)劑型膠,和熱(re)熔(rong)膠(jiao),每(mei)一(yi)類都有其(qi)獨特的特點。熱熔(rong)膠(jiao)(jiao)主(zhu)要是(shi)(shi)(shi)固化時間(jian)快,粘(zhan)接(jie)(jie)強(qiang)度高,環(huan)保(bao),還(huan)能起(qi)填補作(zuo)用,特別適合全自動生產(chan)需求,適用的材(cai)料廣。水性(xing)(xing)膠(jiao)(jiao)主(zhu)要是(shi)(shi)(shi)以(yi)水為(wei)(wei)溶(rong)劑的膠(jiao)(jiao)黏劑,主(zhu)要特點是(shi)(shi)(shi)無毒不(bu)燃(ran),綠色環(huan)保(bao),初粘(zhan)性(xing)(xing)強(qiang),但干燥速(su)度慢,粘(zhan)性(xing)(xing)不(bu)穩定,對溫度比較敏感,適用材(cai)料相(xiang)對單一(yi)。溶(rong)劑型膠(jiao)(jiao)主(zhu)要以(yi)有機溶(rong)劑為(wei)(wei)溶(rong)劑的膠(jiao)(jiao)黏劑,主(zhu)要特點是(shi)(shi)(shi)粘(zhan)接(jie)(jie)強(qiang)度高,耐水性(xing)(xing)好,但揮發性(xing)(xing)大,污染較大等(deng)。隨著(zhu)近年社(she)會提(ti)倡環(huan)保(bao),人們愈加認識(shi)到溶(rong)劑型膠(jiao)(jiao)帶(dai)來的危(wei)害。
水性膠雖然是環(huan)保(bao)的,但與熱(re)熔膠相比(bi)應用(yong)領域太(tai)少,而熱熔膠(jiao)(jiao)的應用(yong)非常廣泛,取代水(shui)性(xing)膠(jiao)(jiao)和溶劑(ji)型膠(jiao)(jiao)黏(nian)劑(ji)是未來(lai)發(fa)展(zhan)的方向。這樣不僅能減少溶劑(ji)排放(fang),避(bi)免造成環境污染,還可以保護生產工人的健康(kang),所(suo)以說(shuo)熱熔膠(jiao)(jiao)即環保又安全!
