High resiliency polyurethane foams

Details High resiliency polyurethane foams High resiliency polyurethane foams

C - Chemistry, Metallurgy

08

G

403/34

C08G 18/65 (2006.01) C08G 18/32 (2006.01)

Patent

CA 1131400

ABSTRACT OF THE DISCLOSURE: The present invention relates to a polyurethane foam composition obtained by the reaction, in the presence of a blowing agent, of an organic polyisocyanate with a reactive polyol composition comprising (a) a polyol having an equivalent weight of from 500 to 5000 and a functionality of from 2 to 4 and (b) from 0.5 percent to 5.0 percent by weight on the weight of the polyol of a reactive diamine of the formula: Image wherein R is H or alkyl of 1 to 4 carbon atoms and A and A' are NH2 or H with the provisos that in each ring either A or A' is NH2, not both and when A or A' is NH2 then the R attached to that carbon atoms is H.

390933

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