High load bearing polyurethane foams made from mixed...

Details High load bearing polyurethane foams made from mixed... High load bearing polyurethane foams made from mixed...

C - Chemistry, Metallurgy

08

G

403/36

C08G 18/48 (2006.01) C08G 18/14 (1985.01)

Patent

CA 1226700

ABSTRACT OF THE DISCLOSURE High load bearing flexible polyurethane foams are made using novel polyether polyols which may be made by alkoxy- lating a mixture of initiators. The initiator mixture is made up of about 60 to 90 wt.% of a partially alkoxylated tri- functional initiator and 10 to 40 wt.% of a secondary partially alkoxylated initiator having an active hydrogen functionality of from 4 to 8. Preferably, the alkylene oxide component to be reacted with the initiator mixture is a blend of ethylene oxide and propylene oxide.

459518

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