Polyether polyols from mixed initiators

Details Polyether polyols from mixed initiators Polyether polyols from mixed initiators

C - Chemistry, Metallurgy

07

C

260/233, 260/607

C07C 43/13 (2006.01) C07H 3/04 (2006.01) C08G 18/48 (2006.01) C08G 65/26 (2006.01)

Patent

CA 1217483

POLYETHER POLYOLS FROM MIXED INITIATORS (D#80,157 -F) ABSTRACT OF THE DISCLOSURE Novel polyether polyols made by alkoxylating a mix- ture of initiators is described. The initiator mixture is made up of about 60 to 90 wt.% of a partially alkoxylated trifunction al initiator and 10 to 40 wt.% of a secondary partially alkoxy- lated 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. Flexible polyurethane foams made from these polyether polyols have improved load bearing properties as com- pared with those made from pior art polyols.

459599

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