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目前,除一般土工合成材料如聚乙烯(PE)等材料可以进行表面复合外,用于屋面上的卷材类,几乎没有进行背面复合的。而屋面防水卷材,尤其是高分子防水卷材,由于其本身的性能及生产工艺决定,其厚度一般比较薄,因而如何保持其长期的性能和寿命尤为关键。国内行业人士一直在寻求解决国内屋面防水材料的背面复合问题,90年代初,国内市场就已出现这种背面复合防水卷材,尤以中瑞合资济南渗耐鲁泉防水材料有限公司生产的复合
At present, in addition to general geosynthetic materials such as polyethylene (PE) and other materials that can be surface-composited, the coils used in roofing have almost no backside compounding. The roof waterproofing membrane, especially the macromolecule waterproofing membrane, is generally thin because of its own performance and production process. Therefore, how to maintain its long-term performance and lifespan is particularly critical. Domestic industry professionals have been seeking to solve the problem of compounding the back of domestic roof waterproofing materials. In the early 1990s, this kind of back composite waterproofing membrane had appeared on the domestic market, especially compounded by China-Switzerland joint venture Jinan Permeation Resistant Luquan Waterproof Material Co., Ltd.