在瀝(li)青中添加一(yi)定量的(de)高聚(ju)物改性(xing)(xing)(xing)(xing)(xing)(xing)劑，使瀝(li)青自身(shen)固有的(de)低(di)溫(wen)易脆裂(lie)，高溫(wen)易流淌的(de)劣性(xing)(xing)(xing)(xing)(xing)(xing)得以改善(shan)，改性(xing)(xing)(xing)(xing)(xing)(xing)后的(de)瀝(li)青不但具有良(liang)好(hao)的(de)高低(di)溫(wen)性(xing)(xing)(xing)(xing)(xing)(xing)能，而且還具有良(liang)好(hao)的(de)彈(dan)塑性(xing)(xing)(xing)(xing)(xing)(xing)，憎水(shui)性(xing)(xing)(xing)(xing)(xing)(xing)和粘結(jie)性(xing)(xing)(xing)(xing)(xing)(xing)等(deng)。經不同工(gong)序加工(gong)而成(cheng)可(ke)卷曲的(de)片狀(zhuang)防水(shui)材料;或把上述材料與(yu)合(he)成(cheng)纖(xian)維等(deng)復合(he)形(xing)成(cheng)兩層(ceng)或兩層(ceng)以上可(ke)卷曲的(de)片狀(zhuang)防水(shui)材料。丙綸(lun)防水(shui)卷材滿粘施工(gong)在保護層(ceng)的(de)作(zuo)用下(xia)，能有效避免老(lao)化，自粘防水(shui)卷材廠，不起(qi)鼓，不橫向(xiang)竄水(shui)。丙綸(lun)防水(shui)卷材與(yu)基層(ceng)形(xing)成(cheng)整體防水(shui)結(jie)構(gou)。

它的(de)材(cai)(cai)(cai)性(xing)(xing)指標較高，自(zi)粘防水(shui)卷(juan)材(cai)(cai)(cai)多少(shao)錢，如優(you)異的(de)彈性(xing)(xing)和抗拉強(qiang)(qiang)度，使卷(juan)材(cai)(cai)(cai)對基層變(bian)形的(de)適應性(xing)(xing)增強(qiang)(qiang);優(you)異的(de)耐(nai)候(hou)性(xing)(xing)能(neng)，使卷(juan)材(cai)(cai)(cai)在正常的(de)維(wei)護(hu)條件下，使用(yong)(yong)年(nian)限(xian)更長，可減少(shao)維(wei)修、翻(fan)新的(de)費用(yong)(yong)。高聚物改(gai)性(xing)(xing)瀝(li)(li)青防水(shui)卷(juan)材(cai)(cai)(cai)：高聚物改(gai)性(xing)(xing)瀝(li)(li)青防水(shui)卷(juan)材(cai)(cai)(cai)是(shi)采用(yong)(yong)改(gai)性(xing)(xing)后的(de)瀝(li)(li)青來作(zuo)卷(juan)材(cai)(cai)(cai)浸涂材(cai)(cai)(cai)料(liao)的(de)。我國從(cong)20世紀70年(nian)代中期開始研發合成高分子材(cai)(cai)(cai)料(liao)改(gai)性(xing)(xing)瀝(li)(li)青。凡是(shi)用(yong)(yong)厚(hou)紙或玻(bo)璃絲布、石棉布、棉麻織(zhi)品等胎(tai)料(liao)浸漬石油瀝(li)(li)青制(zhi)成的(de)卷(juan)狀材(cai)(cai)(cai)料(liao)，稱(cheng)為(wei)有胎(tai)卷(juan)材(cai)(cai)(cai);

凡是(shi)用(yong)(yong)厚(hou)紙或玻(bo)璃絲布、石(shi)棉布、棉麻織品等胎料(liao)浸漬石(shi)油瀝(li)青制成(cheng)的卷(juan)狀(zhuang)材(cai)料(liao)，稱為有(you)胎卷(juan)材(cai);它的材(cai)性(xing)(xing)指標較高，如(ru)優(you)(you)異(yi)的彈(dan)性(xing)(xing)和(he)抗拉強度(du)，自粘高分子防(fang)水(shui)(shui)卷(juan)材(cai)，使卷(juan)材(cai)對基層(ceng)變形的適(shi)應(ying)性(xing)(xing)增強;優(you)(you)異(yi)的耐候性(xing)(xing)能，使卷(juan)材(cai)在(zai)正(zheng)常的維護條件(jian)下，使用(yong)(yong)年限更(geng)長，可減少維修、翻(fan)新的費(fei)用(yong)(yong)。再說，防(fang)水(shui)(shui)卷(juan)材(cai)在(zai)施工(gong)方(fang)式，就和(he)家用(yong)(yong)防(fang)水(shui)(shui)材(cai)料(liao)的施工(gong)方(fang)式完全不同，防(fang)水(shui)(shui)卷(juan)材(cai)是(shi)用(yong)(yong)拼接技術進行施工(gong)，若(ruo)是(shi)將其用(yong)(yong)于(yu)家庭裝(zhuang)修，紹興自粘防(fang)水(shui)(shui)卷(juan)材(cai)，會讓難度(du)明顯的加(jia)大，而且會增加(jia)施工(gong)的費(fei)用(yong)(yong)，造成(cheng)的成(cheng)本也(ye)是(shi)非常大的。