Process for the preparation of cellular and non- cellular...

Details Process for the preparation of cellular and non- cellular... Process for the preparation of cellular and non- cellular...

C - Chemistry, Metallurgy

08

G

402/136, 403/41

C08G 18/48 (2006.01) C08G 18/66 (2006.01)

Patent

CA 1192698

Abstract of the Disclosure For the preparation of optionally cellular and non-cellular polyurethane elastomers, preferably by reaction injection molding, organic polyisocyanates, polyether polyols based on polyoxyalkylene polyether polyols with terminal hydroxyethylene groups and an ethoxylation degree of 1 to 13, having a content of primary hydroxyl groups at the corresponding degree of ethoxylation as the value of curve A to 100 percent with curve A describing the dependency of the primary hydroxyl group content upon the degree of ethoxylation are reacted with chain extenders and/or cross-linking agents in the presence of catalysts as well as optionally blowing agents, auxiliaries and additives.

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