嵌(qian)段(duan)(duan)共聚(ju)物改(gai)性IIR基單道密封膠(jiao)(jiao)是(shi)密封用(yong)熱熔(rong)(rong)膠(jiao)(jiao)的(de)(de)一種類型,這種類型的(de)(de)熱熔(rong)(rong)膠(jiao)(jiao)中(zhong)(zhong)含(han)有(you)(you)IIR和St嵌(qian)段(duan)(duan)共聚(ju)物這樣(yang)兩種主要(yao)成分(fen),通(tong)過(guo)美(mei)國現(xian)有(you)(you)的(de)(de)專利查詢,報道了還(huan)(huan)有(you)(you)等量IIR和St-乙烯-丁烯-St嵌(qian)段(duan)(duan)共聚(ju)物(SEBS),再(zai)加上適量的(de)(de)固(gu)體PA樹(shu)脂作(zuo)為增粘的(de)(de)成分(fen),其中(zhong)(zhong)IIR和SEBS的(de)(de)質量份比例為90:10~40:60之(zhi)間,有(you)(you)時(shi)還(huan)(huan)采用(yong)石蠟作(zuo)為增塑的(de)(de)組(zu)份。這種熱熔(rong)(rong)膠(jiao)(jiao)能夠滿足歐洲中(zhong)(zhong)空(kong)玻璃的(de)(de)生產要(yao)求(qiu),缺點(dian)是(shi)價(jia)格相對比較(jiao)高,性價(jia)比不(bu)是(shi)很理想。