Process for preparing polyurea and polyurethane-urea resin
申请人:HODOGAYA CHEMICAL CO., LTD.
公开号:EP0615990A1
公开(公告)日:1994-09-21
A process for preparing a polyurea resin or a polyurethane-urea resin is disclosed which comprises reacting a polyalkylene ether polyamine, wherein the polyalkylene ether moiety is a random copolymer of tetrahydrofuran and 3-methyltetrahydrofuran, with a polyisocyanate compound or an isocyanate group-terminated prepolymer.