Two-component foam system for producing constructional foams...

Details Two-component foam system for producing constructional foams... Two-component foam system for producing constructional foams...

C - Chemistry, Metallurgy

08

G

C08G 18/72 (2006.01) C08F 2/18 (2006.01) C08F 4/42 (2006.01) C08G 18/32 (2006.01) C08G 18/40 (2006.01) C08J 9/22 (2006.01) C08K 3/00 (2006.01)

Patent

CA 2441246

A two-component foam system for producing foams for construction purposes includes, with a polyol component (A), which contains at least one polyol, optionally a catalyst for the reaction of the polyol with the polyisocyanate, water, and an acqueous polymer dispersion, and a polyisocyanate component (B), which contains at least one polyisocyanate, the quantative ratio of polyol(s) to polyisocyanate(s) being matched so that, when the polyol component (A) is mixed as specified with the polyisocyanate component (B), a molar ratio of isocyanate groups of the polyisocyanate to OH groups of the polyols (NCO:OH ratio) of 1:5 to 10:1 is obtained.

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