聚(ju)氨(an)需(xu)膠(jiao)(jiao)片(pian)(pian)(pian)是(shi)(shi)近年發展起來的(de)(de)一種(zhong)新(xin)型粘(zhan)接材(cai)料， 最初是(shi)(shi)用(yong)來粘(zhan)較(jiao)(jiao)PC板。聚(ju)氨(an)酯膠(jiao)(jiao)片(pian)(pian)(pian)是(shi)(shi)種(zhong)嵌段(duan)共聚(ju)物， 由非極(ji)性(xing)的(de)(de)隨段(duan)(- -RO-)性(xing)的(de)(de)氨(an)基(ji)印酸酯段(duan)(- 00C NH-)組(zu)成。調(diao)節依段(duan)共聚(ju)物的(de)(de)組(zu)成，可使之具(ju)有較(jiao)(jiao)廣的(de)(de)粘(zhan)接范(fan)圍和較(jiao)(jiao)好的(de)(de)低(di)溫柔(rou)順(shun)性(xing)，能(neng)同(tong)時粘(zhan)接玻璃和透明有機(ji)材(cai)料。PU、PVB兩種(zhong)膠(jiao)(jiao)片(pian)(pian)(pian)的(de)(de)黏流溫度不(bu)(bu)同(tong)，用(yong)兩種(zhong)膠(jiao)(jiao)片(pian)(pian)(pian)生(sheng)產夾(jia)層玻璃的(de)(de)工藝不(bu)(bu)同(tong)。其(qi)中，般PU膠(jiao)(jiao)片(pian)(pian)(pian)在氣壓 簽中的(de)(de)成型工藝是(shi)(shi):溫度是(shi)(shi)90C士5'C，壓力是(shi)(shi)0.9~1.2MPa。