Stabilizer mixture for molding compounds based on polymers of vi

Details Stabilizer mixture for molding compounds based on polymers of vi Stabilizer mixture for molding compounds based on polymers of vi

1989-01-23

1990-03-27

Hoke, Veronica P.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524399, C08K 536

Patent

active

049121596

ABSTRACT:
A stabilizer mixture for molding compounds based on polymers of vinyl chloride; use of said mixture; and molding compounds is disclosed. The heretofore known physiologically unobjectionable stabilizer systems have the disadvantage of disagreeable odor, as well as inadequate initial stability. In addition to physiologically unobjectionable stabilizers (e.g., metal soaps, salts of aromatic carboxylic acids, or metal phenolates), co-stabilizers of the present invention are used, in the form of derivatives of thiosalicylic acid esters masked at the mercapto group by monothioacetal formation. The field of application is hard and soft PVCs.

REFERENCES:
patent: 3078290 (1963-02-01), Hechenbleikner et al.
patent: 3600444 (1971-08-01), Dachs

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