Tenneco Chemicals, Inc.

Emery Szabo

Samuel Hoch

Mario Q Ceprini

Sulfur-containing organotin compounds that are mobile liquids of low viscosity and that have a relatively mild sulfur odor have the structural formula ##STR1## wherein each R represents an alkyl group having 1 to 8 carbon atoms, each R' represents --S--(CH.sub.2).sub.n --COOR', --SR', or --OOC--CH.dbd.CH--COOR'', R' represents an alkyl group having 8 to 18 carbon atoms, R'' represents an alkyl group having 3 to 18 carbon atoms, and n is 1 or 2. These compounds can be used alone or in combination with other organotin compounds as stabilizers for vinyl halide resin compositions.

Organotin compounds and vinyl halide resin compositions stabilized

Vinyl halide resin compositions that are characterized by excellent early color and color hold, excellent long term heat and light stability, and good processability contain a liquid stabilizer system that comprises

Liquid stabilizer systems and vinyl halide resin compositions containing

Vinyl halide resin compositions that are characterized by excellent early color, clarity, color retention, and processability contain a stabilizer system that comprises a mono-organotin tris(alkyl mercaptide), a mercaptoalcohol, and an organotin sulfide.

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Emery Szabo