.beta.-keto esters as stabilisers for chlorinated polymers

Details .beta.-keto esters as stabilisers for chlorinated polymers .beta.-keto esters as stabilisers for chlorinated polymers

C - Chemistry, Metallurgy

08

L

400/3073, 400/92

C08L 27/00 (2006.01) C08K 5/098 (2006.01) C08K 5/101 (2006.01) C08K 5/138 (2006.01) C08K 5/372 (2006.01) C08L 51/00 (2006.01)

Patent

CA 2031787

A-17873/+/CGM 340 .beta.-Keto esters as stabilisers for chlorinated polymers Abstract of the Disclosure A composition comprising a) a chlorinated polymer, b) at last one Me(II) carboxylate and/or Me(II) phenolate and/or Me(II) alkylphenolate, wherein Me(II) is Ba, Ca, Mg, Cd, Sr or Zn, and c) at least one compound of formula (I) Image (I) wherein n is 1, 2, 3, 4 or 6 and, when n = 1, R is phenyl and X is an alkyl group of 10 to 20 carbon atoms, when n = 2, R is alkyl of 1 to 4 carbon atoms or phenyl, and X is alkylene of 4 to 12 carbon atoms, alkylene of 2 to 12 carbon atoms which is substituted by at least one C1-C8alkyl group, or is -CH2-CH2-S-CH2-CH2-S-CH2-CH2- or -CH2-CH2-S-CH2-CH2-, when n = 3, R is alkyl of 1 to 4 carbon atoms or phenyl and X is CH3CH2C(CH2-)3, when n = 4, R is alkyl of 1 to 4 carbon atoms or phenyl and X is a group Image , wherein m is 0 or 1, and, when n = 6, R is alkyl of 1 to 4 carbon atoms or phenyl and X is the group Image .

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