Rigid hydrophobic polyurethanes

Details Rigid hydrophobic polyurethanes Rigid hydrophobic polyurethanes

C - Chemistry, Metallurgy

08

G

C08G 18/42 (2006.01) C08G 18/40 (2006.01) C08G 18/62 (2006.01) C08G 18/65 (2006.01) C08G 18/69 (2006.01)

Patent

CA 2114874

RIGID HYDROPHOBIC POLYURETHANES ABSTRACT OF THE DISCLOSURE Rigid polyurethanes are prepared by reacting polyisocyanates with, a polyol mixture consisting of a) an OH functional polyesters with molecular weights of 260 - 2000 derived from C9-C22 fatty acids, b) an OH functional, oligomeric polyolefins with molecular weights of 700 - 6000 and optionally c) an at least difunctional polyol with a molecular weight of 62 - 8000, which is different from components 2a) and 2b).

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