Stabilization of polyalkylene polyols

Details Stabilization of polyalkylene polyols Stabilization of polyalkylene polyols

C - Chemistry, Metallurgy

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C08L 71/02 (2006.01) C08G 18/28 (2006.01) C08J 9/04 (2006.01) C08K 5/13 (2006.01) C08K 5/18 (2006.01) C09K 15/24 (2006.01)

Patent

CA 1050700

Abstract of the Disclosure Polyether polyols may be synergistically stabil- ized against oxidation by incorporating therewith 4,4'-bis (alphadimethylbenzyl) diphenyl amine and a 2,6-di-t-butyl 4-(lower alkyl) phenol such as 2,6-di-t-butyl-4-methyl phenol or 2,6-di-t-butyl-4-butyl phenol. The stabilized polyols inhibit color formation when employed in the prep- aration of polyurethane foams. -1-

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