C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
403/17, 403/31
C08J 9/00 (2006.01) C08G 18/20 (2006.01) C08G 18/38 (2006.01)
Patent
CA 1338343
Flexible polyurethane foam prepared from foam forming compositions of a polyether polyol, an organic isocyanate compound, a blowing agent, and a curing agent of a melamine derivative in an amount effective to rapidly cure the resultant foam and improve the compression set properties of the foam, the amount of curing agent generally ranging from about 0.01 up to about 2 parts by weight based on 100 parts polyether polyol. Also, flame retardant polyether polyurethane foam prepared from foam forming components of a polyether polyol, an organic isocyanate compound, water, a liquid phosphorus ester in an amount of about 4 to 10 parts by weight and the curing agent in an amount of 0.4 to 2 parts by weight, each based on 100 parts by weight of the polyether polyol in the composition. The most preferred curing agent has the formula C3N6(R2)X(R1)6-x Wherein R1 is hydrogen or an alkyl, alkenyl, cycloaliphatic or aryl moeity having between one and twelve carbon atoms; R2 is an alkyl, alkenyl, cycloaliphatic or aryl moeity having between one and twelve carbon atoms and at least one hydroxyl moeity; and x is between about 0.5 and 6.
604950
Ricciardi Michael A.
Teumac Fred N.
Foamex L.p. A. Partnership
Seaby & Associates
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