Stabilized halogen-containing resin composition

Details Stabilized halogen-containing resin composition Stabilized halogen-containing resin composition

1979-04-27

1980-08-12

Hoke, V. P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

252400R, 252406, 260 285D, 260 457S, 260 4575W, 260 4575R, 260 4575K, 260 4575S, C08K 558, C08K 536

Patent

active

042172586

ABSTRACT:
A stabilizer composition is disclosed for increasing the resistance to yellowing and loss of clarity of a vinyl halidepolymer upon heating, which comprises a thio-1,3-dicarbonyl compound represented by the formula ##STR1## in which M represents hydrogen, an organotin group or a metal, R represents hydrogen, a hydrocarbon group or a group ##STR2## each of R, R", and R'" represents hydrogen or an organic group, X is oxygen or sulfur, and n representing the valence of M is an integer from 1 to 4, and at least one heat stabilizer which is an alkyltin compound or a metal salt of a non-nitrogenous monocarboxylic acid or of a hydrocarbon-substituted phenol.
Stabilized vinyl halide polymer compositions, in which the above stabilizer composition is used to improve the resistance to yellowing and the clarity, are also disclosed.

REFERENCES:
patent: 3723384 (1973-03-01), Copping et al.
patent: 3763092 (1973-10-01), Mathis et al.
patent: 3894069 (1975-07-01), Ries

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