Vinyl halide stabilizer compositions of antimony organic sulfur-containing compounds and metal carboxylates

Claim 2

A vinyl halide resin heat stabilizer composition which consists essentially of, an antimony organic sulfur-containing compound having the formula RnSbX3 n where R of the formula is selected from the group consisting of alkyl, alkenyl, alkynyl, aryl, cycloalkyl, cycloalkenyl, mixed aryl-alkyl, and substituted groups thereof, where X of the formula is selected from the group consisting of sulfur, SR and SRCOOR'', where R of the group SR is selected from alkyl, aryl, mixed aryl-alkyl, and substituted groups thereof, where R of the group SRCOOR'' is selected from alkylene, arylene, aralkylene, and substituted groups thereof, wherein R'' of the group SRCOOR'' is selected from alkyl, aryl, mixed aryl-alkyl, and substituted groups thereof, where n is an integer of 0 to 2, and a metal carboxylate selected from the group consisting of an alkali or alkaline earth metal salt of a carboxylic or thiocarboxylic acid, and mixtures thereof, said antimony compound and metal carboxylate components in relative amounts which together provide a synergistic heat stabilizing effectiveness upon said resin.

Claim 3

A VINYL HALIDE RESIN HEAT STABILIZER COMPOSITION WHICH CONSISTS ESSENTIALLY OF, AN ANTIMONY ORGANIC SULFUR-CONTAINING COMPOUND HAVING THE FORMULA

Claim 4

A VINYL HALIDE RESIN HEAT STABILIZER COMPOSITION WHICH CONSISTS ESSENTIALLY OF, AN ANTIMONY ORGANIC SULFUR-CONTAINING COMPOUND HAVING THE FORMULA

Claim 5

A stabilized polymer composition comprising polyvinyl chloride and a stabilizing amount of the stabilizer composition of claim 1.

Claim 6

The composition of claim 1 wherein said metal salt is the carboxylic acid salt.

Claim 7

The composition of claim 3 wherein said acid is a fatty acid.

Claim 8

The composition of claim 1 wherein said acid contains about C2-C54 carbon atoms.

Claim 9

The composition of claim 3 wherein said acid is an aliphatic monocarboxylic acid which contains about C8-C32 carbon atoms.

Claim 10

The composition of claim 1 wherein said components are present in a weight ratio in the range of about 0.1-3 of the antimony compound to about 0.1-5 of the metal carboxylate.

Claim 11

A vinyl halide resin composition which comprises a vinyl halide resin and, as a heat stabilizer, an effective amount of a composition consisting essentially of, an antimony organic sulfur-containing compound having the formula RnSbX3 n where R of the formula is selected from the group consisting of alkyl, alkenyl, alkynyl, aryl, cycloalkyl, cycloalkenyl, mixed aryl-alkyl, and substituted groups thereof, wherein X of the formula is selected from the group consistiNg of sulfur, SR and SRCOOR'', where R of the group SR is selected from alkyl, aryl, mixed aryl-alkyl, and substituted groups thereof, where R of the group SRCOOR'' is selected from alkylene, arylene, aralkylene, and substituted groups thereof, wherein R'' of the group SRCOOR'' is selected from alkyl, aryl, mixed aryl-alkyl, and substituted groups thereof, where n is an integer of 0 to 2, and a metal carboxylate selected from the group consisting of an alkali or alkaline earth metal salt of a carboxylic or thiocarboxylic acid, and mixtures thereof, said antimony compound and metal carboxylate components in relative amounts which together provide a synergistic heat stabilizing effectiveness upon said resin.

Claim 12

A vinyl halide resin composition which comprises a vinyl halide resin and, as a heat stabilizer, an effective amount of a composition consisting essentially of, an antimony organic sulfur-containing compound having the formula RnSbX3 n where R of the formula is selected from the group consisting of alkyl, alkenyl, alkynyl, aryl, cycloalkyl, cycloalkenyl, mixed aryl-alkyl, and substituted groups thereof, wherein X of the formula is selected from the group consistiNg of sulfur, SR and SRCOOR'', where R of the group SR is selected from alkyl, aryl, mixed aryl-alkyl, and substituted groups thereof, where R of the group SRCOOR'' is selected from alkylene, arylene, aralkylene, and substituted groups thereof, wherein R'' of the group SRCOOR'' is selected from alkyl, aryl, mixed aryl-alkyl, and substituted groups thereof, where n is an integer of 0 to 2, and a metal carboxylate selected from the group consisting of an alkali or alkaline earth metal salt of a carboxylic or thiocarboxylic acid, and mixtures thereof, said antimony compound and metal carboxylate components in relative amounts which together provide a synergistic heat stabilizing effectiveness upon said resin.

Claim 13

The composition of claim 8 wherein said vinyl halide resin is vinyl chloride-containing resin.

Claim 14

The composition of claim 9 wherein said metal salt is the carboxylic acid salt.

Claim 15

The composition of claim 10 wherein said acid is a fatty acid.

Claim 16

The composition of claim 8 wherein said effective amount is on the order of about 0.2 to about 8 parts by weight per 100 parts resin.

Claim 17

The composition of claim 12 wherein the relative amount of said antimony compound is in the range of about 0.1 to about 3 parts by weight per 100 parts resin and the relative amount of metal carboxylate present is in the range of about 0.1 to about 5 parts by weight per 100 parts resin.

Claim 18

A vinyl halide resin composition which comprises a vinyl chloride resin and, as a heat stabilizer, an effective amount of a composition consisting essentially of, an antimony organic sulfur-containing compound selected from the group consisting of antimony tris (isooctylthioglycolate), antimony tris (laurylmercaptide), antimony tris (isooctylmercaptopropionate), dodecylmercaptoantimony bis (isooctylthioglycolate), antimony tris (glycoldimercaptoacetate), antimony tris (dodecylthioglycolate), and mixtures thereof, and a metal carboxylate selected from the group consisting of sodium stearate, lithium stearate, barium stearate, calcium stearate, strontium stearate, magnesium stearate, calcium laurate, calcium benzoate, and mixtures thereof, said antimony compound and metal carboxylate components in relative amounts which together provide a synergistic heat stabilizing effectiveness upon said resin.

Claim 19

A vinyl halide resin composition which comprises a vinyl chloride resin and, as a heat stabilizer, an effective amount of a composition consisting essentially of, an antimony organic sulfur-containing compound selected from the group consisting of antimony tris (isooctylthioglycolate), antimony tris (laurylmercaptide), antimony tris (isooctylmercaptopropionate), dodecylmercaptoantimony bis (isooctylthioglycolate), antimony tris (glycoldimercaptoacetate), antimony tris (dodecylthioglycolate), and mixtures thereof, and a metal carboxylate selected from the group consisting of sodium stearate, lithium stearate, barium stearate, calcium stearate, strontium stearate, magnesium stearate, calcium laurate, calcium benzoate, and mixtures thereof, said antimony compound and metal carboxylate components in relative amounts which together provide a synergistic heat stabilizing effectiveness upon said resin.

Claim 20

The composition of claim 14 wherein said effective amount is on the order of about 0.2 to about 8 parts by weight per 100 parts resin.