Alkyl-thio-glycolate pvc stabilizers with added aromatic...

Details Alkyl-thio-glycolate pvc stabilizers with added aromatic... Alkyl-thio-glycolate pvc stabilizers with added aromatic...

C - Chemistry, Metallurgy

08

K

C08K 5/00 (2006.01) C08K 5/06 (2006.01) C08K 5/58 (2006.01) C08L 27/02 (2006.01) C08L 27/06 (2006.01)

Patent

CA 2214689

Disclosed are liquid stabilizer compositions useful in polyvinyl chloride formulations and which exhibit a reduced tendency to form precipitates on standing, comprising one or more aromatic ether alcohols of the formula (1): Ar-O-(CH2CH(X)O)n H wherein Ar is aryl, X is -H or -CH3, and n is 1 to 5, and one or more thioglycolates of the formula (2): (R1)a Sn(-SCH2COOR2)4-a wherein R1 is C1-4 alkyl, a is 1-2, and R2 is C7-16 alkyl.

Cette invention se rapporte à des compositions de stabilisateurs liquides, qui sont utiles dans des formulations de chlorure de polyvinyle et qui possèdent une tendance réduite à former des précipités avec le temps, ces compositions comprenant un ou plusieurs alcool d'éther aromatique représentés par la formule (1): Ar-O-(CH2CH(X)O)nH, où Ar représente aryle, X représente -H ou -CH3, et n est compris entre 1 et 5; ainsi qu'un ou plusieurs thioglycolates représentés par la formule (2): (R<1>)aSn(-SCH2COOR<2>)4-a, où R<1> représente alkyle C1-4, a est égal à 1 ou à 2 et R<2> représente alkyle C7-16.

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