Polyether polyol and polyurethane compositions protected...

Details Polyether polyol and polyurethane compositions protected... Polyether polyol and polyurethane compositions protected...

C - Chemistry, Metallurgy

08

K

C08K 5/1535 (2006.01) C08L 71/00 (2006.01) C08L 75/08 (2006.01)

Patent

CA 2083111

Described are compositions protected against thermal and oxidative degradation that comprise A) a polyether polyol or mixtures of such polyols, B) at least one benzofuranone derivative of formula I, (see formula I) C) at least one compound from the group of the phenolic anti-oxidants, and/or D) at least one compound from the group of the amino anti-oxidants of the secondary amine type. Also polyurethane(s) (foam(s)) prepared therefrom are protected against thermal and oxidative degradation, especially against core scorching.

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