Method for stabilizing an organic material which is subject...

Details Method for stabilizing an organic material which is subject... Method for stabilizing an organic material which is subject...

C - Chemistry, Metallurgy

09

K

C09K 15/08 (2006.01) C08K 5/134 (2006.01)

Patent

CA 2158177

Organic materials which are subject to thermal and/or oxidative deterioration, e.g., polyether polyols and polyurethane foams prepared from polyether polyols, are stabilized against such deterioration by the addition thereto of a stabilizing amount of a liquid, crystallization- resistant mixture of phenolic esters made up predominantly of phenolic monoester(s), the mixture of phenolic esters being obtained by reacting an alkyl ester of a 3,5-dialkyl-4-hydroxyphenyl alkanoic acid with a polyhydrixyl alcohol under esterification reaction conditions employing an esterification reaction catalyst.

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