A binder obtained by reaction of a combination of (a) a polydiene glycol having a hydroxyl group number of 1.8-2.1 and a number average molecular weight of 1,000-5,000, (b) a polydiene polyol having a hydroxyl group number from more than 2.1 to less than 4.0 and a number average molecular weight compound of 1,000-5,000, and (c) a diisocyanate.
Heat curable one package polyurethane resin composition
申请人:ESSEX SPECIALTY PRODUCTS, INC.
公开号:EP0153135A2
公开(公告)日:1985-08-28
A heat curable one package polyurethane resin composition adaptable to use for automotive seam sealing, particularly under high solids acrylic enamel paints, comprises an isocyanate-terminated polyurethane prepolymer, the isocyanate groups of which are blocked by reaction with anoxime, and a curing agent having at least two active hydrogen atoms per molecule, such as a polyol, a polyamine, or a blocked polyamine.