Mercaptoheterocyclic resin stabilizers

Details Mercaptoheterocyclic resin stabilizers Mercaptoheterocyclic resin stabilizers

1976-09-20

1978-08-08

Cockeram, H.S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

252400A, 252402, 252407, 260 457PH, 260 4575R, 260 458A, C08K 534, C08K 537, C08K 552, C09K 300

Patent

active

041056272

ABSTRACT:
Improved clarity and resistance to deterioration on heating of polyvinyl fluoride and vinyl chloride polymers is obtained by employing a stabilizer composition consisting essentially of (A) a heterocyclic nitrogen compound having as part of a 5 or 6 membered heterocyclic ring the group ##STR1## in which R is hydrogen, aryl, or alkyl having 1 to 12 carbon atoms, and X is oxygen or sulfur, and (B) one or more 1,2-epoxides, organic phosphites, or stannous tin, zinc, magnesium, aluminum, potassium, sodium, calcium, strontium, or barium salts of non-nitrogenous monocarboxylic acids having from 6 to 24 carbon atoms or hydrocarbon-substituted phenols having from about 10 to about 30 carbon atoms.

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patent: 3636031 (1972-01-01), Drake et al.
patent: 3669936 (1972-06-01), Regenass et al.
patent: 3888822 (1975-06-01), Gilleo et al.
patent: 3909491 (1975-09-01), Gilles

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