聯系電(dian)話(hua):13852108898
錄入時間:2019-6-26 16:25:43
膜(mo)結構(gou)所用(yong)(yong)(yong)膜(mo)材料由基(ji)布(bu)(bu)和涂(tu)層兩部分(fen)組成.基(ji)布(bu)(bu)主要(yao)(yao)采用(yong)(yong)(yong)聚(ju)酯纖(xian)(xian)維(wei)(wei)和玻璃纖(xian)(xian)維(wei)(wei)材料;涂(tu)層材料主要(yao)(yao)聚(ju)氯乙(yi)烯(xi)(xi)和聚(ju)四(si)氟乙(yi)烯(xi)(xi)。常用(yong)(yong)(yong)膜(mo)材為(wei)(wei)聚(ju)酯纖(xian)(xian)維(wei)(wei)覆聚(ju)氯乙(yi)烯(xi)(xi)(PVC)和玻璃纖(xian)(xian)維(wei)(wei)覆聚(ju)聚(ju)四(si)氟乙(yi)烯(xi)(xi)(Teflon)。PVC材料的主要(yao)(yao)特點是強(qiang)度低(di)、彈性(xing)大、易(yi)老(lao)化、徐變大、自(zi)(zi)潔性(xing)差,但(dan)(dan)價格(ge)便(bian)宜,容易(yi)加工制作(zuo),色彩(cai)豐富,抗(kang)折疊性(xing)能(neng)(neng)好。為(wei)(wei)改善其(qi)(qi)(qi)性(xing)能(neng)(neng),可在(zai)其(qi)(qi)(qi)表面涂(tu)一層聚(ju)四(si)氟乙(yi)烯(xi)(xi)涂(tu)層,提高(gao)(gao)其(qi)(qi)(qi)抗(kang)老(lao)化和自(zi)(zi)潔能(neng)(neng)力,其(qi)(qi)(qi)壽命(ming)可達到15年左右。Teflon材料強(qiang)度高(gao)(gao)、彈性(xing)模量大、自(zi)(zi)潔、耐(nai)久耐(nai)火等性(xing)能(neng)(neng)好,但(dan)(dan)它價格(ge)較貴(gui),不易(yi)折疊,對裁剪制作(zuo)精度要(yao)(yao)求(qiu)較高(gao)(gao),壽命(ming)一般在(zai)30年以上,適(shi)用(yong)(yong)(yong)于***建筑。