专利名称：Polyurethane prepolymer composition
comprising a water-immiscible solvent
发明人：Gary P. Roberts申请号：US07/533496申请日：19900605公开号：US05102938A公开日：19920407
摘要：A hydrophilic polyurethane prepolymer in a compatible, water- immisciblesolvent or water-immiscible solvent blend having a solids content of greater than about10 and less than about 50 percent prepolymer in the solvent or solvent blend. Thiscomposition reacts with water at about a 1:1 ratio by volume to produce an excellent gelfor use in sealing water containing structures and soil stabilization. In the cure process,the compositions of the present invention expand less than 50%, and preferably less than30%.
申请人：MINNESOTA MINING AND MANUFACTURING COMPANY
代理人：Gary L. Griswold,Walter N. Kirn,Dale A. Bjorkman
更多信息请下载全文后查看
因篇幅问题不能全部显示，请点此查看更多更全内容