[EN] POLYURETHANES, ARTICLES AND COATINGS PREPARED THEREFROM AND METHODS OF MAKING THE SAME<br/>[FR] POLYURÉTHANES ET LEURS PROCÉDÉS DE FABRICATION, ARTICLES ET REVÊTEMENTS FABRIQUÉS À PARTIR DESDITS POLYURÉTHANES
申请人:PPG IND OHIO INC
公开号:WO2014153075A1
公开(公告)日:2014-09-25
The present invention provides polyurethanes including a reaction product of components including: (a) an isocyanate functional urethane prepolymer including a reaction product of components including: (i) about 1 equivalent of at least one polyisocyanate; and (ii) about 0.01 to about 0.5 equivalent of at least one polyol having 2 hydroxyl groups, based upon the about 1 equivalent of the at least one polyisocyanate; and (b) about 0.1 to about 1 equivalent of at least one polyol having 2 hydroxyl groups, based upon the about 1 equivalent of the at least one polyisocyanate, wherein the at least one polyol (ii) can be the same or different from the at least one polyol (b), and wherein the components are essentially free of polyester polyol, polyether polyol, polycarbonate polyol and amine curing agent; compositions, coatings and articles made therefrom and methods of making the same.