Masked thioglycolic acid ester stabilizers for vinyl chloride po

Details Masked thioglycolic acid ester stabilizers for vinyl chloride po Masked thioglycolic acid ester stabilizers for vinyl chloride po

1986-12-04

1989-07-18

Bleutge, John C.

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...

524289, 524302, C08K 506, C08K 511, C08K 512, C08K 536

Patent

active

048494631

ABSTRACT:
Stabilized compositions containing a polymer of vinyl chloride or the like and at least one primary stabilizer and, as the costabilizer, mercaptals or monothioacetals of thioglycolic acid esters of Formula I and/or II ##STR1## The costabilizers contained in the compositions do not exhibit any unpleasant odor, yet improve the initial color and also the total stability of the molding compositions.

REFERENCES:
patent: 4111873 (1978-09-01), Cordes III
patent: 4125515 (1978-11-01), Kuczkowski
Houben-Weyl, 9, 199-205 (1955), "Herstellung von Mercaptalen und Mercaptolen".

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