申请人:W.R. Grace & Co.-Conn.
公开号:EP0414423A1
公开(公告)日:1991-02-27
The present invention is directed to adhesive, waterproof membranes capable of adhering to freshly poured concrete compositions upon curing. The waterproof membranes of this invention comprise a bituminous sheet having at least one major surface coated with a non-tacky polymeric coating composition which contains a water-insoluble polymer, and optionally a filler capable of absorbing or reflecting infrared or ultra violet radiation and/or a plasticizer. Suitable water-insoluble polymers for use in this invention include alpha-beta-ethylenically unsaturated carboxylic acid polymers or polyvinyl alcohol polymers.
本发明用于粘合防水卷材,能够在固化后粘合到新浇混凝土成分上。本发明的防水卷材包括沥青片材,其至少一个主要表面涂有非粘性聚合物涂层组合物,该组合物含有水不溶性聚合物,以及可选择的能够吸收或反射红外线或紫外线辐射的填料和/或增塑剂。适用于本发明的水不溶性聚合物包括α-β-乙烯不饱和羧酸聚合物或聚乙烯醇聚合物。