Mercaptophenol derivatives as age resisters for polymers

Details Mercaptophenol derivatives as age resisters for polymers Mercaptophenol derivatives as age resisters for polymers

1986-04-18

1988-03-01

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...

568 47, 568 48, 568 53, C07C14936, C08K 536

Patent

active

RE0326186

ABSTRACT:
Mercaptophenols are reacted with compounds containing olefinic unsaturation, or polycyclic olefins, or dihydroxy compounds to form phenolic antioxidants such as 3,8-bis(4-hydroxyphenylthio)-tricyclo[5.2.1.0..sup.2,6 ] decane; 1,4-bis[2-(4-hydroxyphenylthio)ethyl]benzene and age resistant polymers containing said antioxidants.

REFERENCES:
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patent: 3484804 (1970-01-01), O'Shea
patent: 3576883 (1971-04-01), Neuworth
patent: 3708883 (1973-01-01), Hickner et al.
patent: 3751483 (1973-08-01), Cisney
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patent: 4108831 (1978-08-01), Cottman
patent: 4128530 (1978-12-01), Cottman
patent: 4143076 (1979-03-01), Cottman
A.C.S. Meeting, Div. Org. Coatings and Plastics Chemistry, 21, No. 2, (1961), pp. 79-107.

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