Preparation of cellular polyurethanes

Details Preparation of cellular polyurethanes Preparation of cellular polyurethanes

C - Chemistry, Metallurgy

08

J

C08J 9/14 (2006.01) C08G 18/06 (2006.01) C08L 75/04 (2006.01)

Patent

CA 2162522

A process for the production of cellular polyurethanes by react- ing a) at least one organic and/or modified organic polyisocyanate, b) at least one relatively high-molecular-weight compound con- taining at least two reactive hydrogen atoms, if desired c) low-molecular-weight chain extenders and/or crosslinking ag- ents, in the presence of d) blowing agents, e) catalysts, and, if desired, f) auxiliaries and/or additives, wherein the blowing agent d) is at least one acetal.

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