Back to results
US 2007/0185250 A1Published application
Stabilization of polyether polyols, polyester polyols and polyurethanes
AssigneeCiba Specialty Chemicals Holding Inc.
InventorsDietmar Mäder, Kerstin Schrinner, Pascal Xanthopoulos
Life of this patent
Estimating the term…
Abstract
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.
Claims12
A composition comprising
- a) a polyether polyol, a polyester polyol or a polyurethane susceptible to oxidative, thermal or light-induced degradation;
- and
- b) 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.
4 more elements
Compounds of the formula Ia, Ib, Ic, Id and Ie
Dependencies are inferred from the claim text.