Abstract: The invention pertains to chlorinated vinyl chloride polymer compositions containing, in addition to a chlorinated vinyl chloride polymer, a primary stabilizer for the chlorinated vinyl chloride polymer and a metal salt of phosphoric acid.

Abstract: Stabilizer compositions and polyvinyl halide resin compositions containing 1,3-dicarbonyl compounds having the formula: ##STR1## as well as metal and organotin enolate salts thereof, effective in enhancing the resistance to deterioration by heat and light of polyvinyl halide resins.

Abstract: A stabilizer for use in a halogen-containing resin is described comprising a crystalline aluminosilicate substituted with ions of a metallic element belonging to Group II or Group IVA of the Periodic Table for Group I (M) metal ion contained in said aluminosilicate and containing 10% by weight of less, as M.sub.2 O, of residual Group I metal ions.

Abstract: Chlorine-containing thermoplastics, containing a pyrrole of the formula I ##STR1## in which R.sub.1 is hydrogen, alkyl, cycloalkyl, aryl, alkoxycarbonylmethyl, free or esterified .alpha.-hydroxyalkyl, free or esterified .alpha.-hydroxycycloalkylmethyl, free or esterified .alpha.-hydroxyaralkyl, alkoxymethyl, alkylthiomethyl, aryloxymethyl, arylthiomethyl, cycloalkoxymethyl, cycloalkylthiomethyl, aralkoxymethyl, aralkylthiomethyl, alkoxy, alkylthio, cycloalkoxy, cycloalkylthio, aralkoxy, arylalkylthio, aryloxy, arylthic, halogen, mercapto, mercaptomethyl or hydroxyl, R.sub.2 is hydrogen, alkyl, cycloalkyl, aryl, free or esterified .alpha.-hydroxyalkyl, in which the alkyl moiety together with R.sub.1 can be alkylene, or free or esterified .alpha.-hydroxycycloalkylmethyl, free or esterified .alpha.

Abstract: This invention relates to stabilizer compositions for polymers comprising (1) an organotin compound, or mixture of organotin compounds, (2) a mercaptan-containing organic compound or mixture of mercaptan-containing organic compounds, and, optionally, (3) a halogen-containing tin compound or mixture of halogen-containing tin compounds, said stabilizers having a total halogen content of about 0.1% to about 10% by weight based on the weight of the stabilizer composition. This invention also relates to polymer compositions containing said stabilizers, to a process for stabilizing polymer by adding thereto said stabilizers, and to articles of manufacture, e.g. pipe, comprising a polymer and said stabilizers.

Abstract: Stabilized halogen-containing resin compositions comprising a halogen-containing resin, at least one organo tetravelent tin stabilizer selected from the group consisting of an alkyl tin laurate and an alkyl tin maleate and as a stabilizer assistant a hydroxymercaptan compound having the following the general formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are the same or different and are each hydrogen atom, substituted or unsubstituted alkyl, alkenyl, aryl, cycloalkyl, hydroxyalkyl, alkoxyalkyl, carboalkoxyalkyl, epoxyalkyl or epoxyalkenyl, with the proviso R.sub.1 and R.sub.3 may form a ring together.

Abstract: A stabilizer composition is disclosed that enhances the resistance to deterioration upon heating of vinyl chloride polymers. The stabilizer composition comprises (A) a metal salt of a nitrogen-free monocarboxylic acid or a phenol and (B) a hydrogen phosphite ester of an ortho-phenylethylidene-substituted phenol.Vinyl chloride polymer compositions stabilized with the above disclosed stabilizer composition are also disclosed.

Abstract: The present invention describes the use of particular partial esters of pentaerythritol as agents for lowering the viscosity of polyvinyl chloride resin materials.