Thioglycolate and thiopropionate secondary stabilizers

Details Thioglycolate and thiopropionate secondary stabilizers Thioglycolate and thiopropionate secondary stabilizers

1981-03-11

1983-02-22

Hoke, V. P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524175, 524178, 524180, 524397, 524399, 524400, 549557, C07D40712, C07D30342, C07D30344, C08K 558, C08K 557, C08K 556, C08K 536

Patent

active

043749453

ABSTRACT:
Certain substituted thioglycolates and thiopropionates were found useful as secondary stabilizers for polymers, particularly polyvinyl chloride, when used in conjunction with metal octanoates, such as zinc octanoate, as the primary stabilizer. The specific thioglycolates and thiopropionates are those formed by thio adducts to the double bond of a monomer, such as the product of reacting isooctyl thioglycolate with glycidyl acrylate, to provide isooctyl S-2(glycidyloxycarbonyl)ethyl thioglycolate, as an example.

REFERENCES:
patent: 2416052 (1947-02-01), Gribbins
patent: 3542725 (1970-11-01), Kopacki et a.
patent: 3564076 (1971-01-01), Kauder
patent: 3637809 (1972-01-01), Kleiner
patent: 3839507 (1974-10-01), Hechenbleikner et al.
patent: 3925246 (1975-12-01), Coates et al.
patent: 4254020 (1981-03-01), Kline

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