Vinyl halide resin stabilizers comprising phosphites prepared from polyols, secondary phosphites and tertiary phosphites

Claim 1

A LIQUID, SOLVENT-FREE STABILIZER FOR VINYL HALIDE RESIN COMPOSITIONS WHICH COMPRISES (A) A MIXTURE OF TERTIARY ORGANIC PHOSPHITES THAT IS THE PRODUCT OBTAINED BY HEATING (I) A POLYHYDRIC ALCOHOL SELECTED FROM THE GROUP CONSISTING OF PENTAERYTHRITOL, SORBITOL, MANNITOL, TRIMETHYLOLETHANE, TRIMETHYLOLPROPANE, AND MIXTURES THEREOF, (II) A SECONDARY ORGANIC PHOSPHITE, AND (III) A TERTIARY ORGANIC PHOSPHITE IN THE AMOUNTS OF APPROXIMATELY 0.5 MOLE TO 5 MOLES OF SAID SECONDARY ORGANIC PHOSPHITE ND 2 MOLES TO 15 MOLES OF SAID TERTIARY ORGANIC PHOSPHITE PER MOLE OF SAID POLYHYDRIC ALCOHOL AT A TEMPERATURE BETWEEN APPROXIMATELY 100*C. AND 180*C. UNTIL A SUBSTANTIALLY CLEAR SOLUTION IS OBTAINED; (B) MONOCARBOXYLIC ACID SALTS OF AT LEAST TWO METALS SELECTED FROM THE GROUP CONSISTING OF BARIUM, CADMIUM, ZINC, LEAD, AND TIN; AND (C) A PHENOLIC COMPOUND IN THE AMOUNTS OF APPROXIMATELY 2 PARTS BY 10 PARTS BY WEIGHT OF SAID PHENOLIC COMPOUND AND APPROXIMATELY 35 PARTS TO 60 PARTS BY WEIGHT OF SAID MONOCARBOXYLIC ACID SALTS PER 100 PARTS BY WEIGHT OF SAID MIXTURE OF TERTIARY ORGANIC PHOSPHITES.