Stabilization of polyether polyols, polyester polyols and...

Details Stabilization of polyether polyols, polyester polyols and... Stabilization of polyether polyols, polyester polyols and...

C - Chemistry, Metallurgy

08

G

C08G 18/76 (2006.01) C07C 69/732 (2006.01) C08K 5/134 (2006.01)

Patent

CA 2545680

Polyether polyols, polyester polyols or polyurethanes which possess outstanding stability to oxidative, thermal or light-induced degradation and which possess a reduced fogging contribution of the polymers comprise at least a liquid compound of the formula (I) wherein R1 is C1-C4alkyl, R2 is a branched C12-C25alkyl, and X is C1-C8alkylene or C1-C4alkyl substituted C2- C8alkylene.

La présente invention se rapporte à des polyols de polyéther, à des polyols de polyester ou à des polyuréthannes, qui présentent une stabilité remarquable à la dégradation par oxydation, thermique ou photogénérée, ainsi qu'un apport de nébulisation des polymères réduit. Lesdits éléments contiennent au moins un composé liquide représenté par la formule (I), dans laquelle R¿1? représente alkyle C¿1?-C¿4?, R¿2? représente un alkyle C¿12?-C¿25? ramifié, et X représente un alkylène C¿1?-C¿8? ou un alkylène C¿2?-C¿8? substitué par un alkyle C¿1?-C¿4?.

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