Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1987-10-19
1989-08-01
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
528193, 528195, 528204, 528373, C08G 6362
Patent
active
048534587
ABSTRACT:
Carboxy-functionalized polycarbonates are prepared by incorporating a carboxylic acid-substituted phenol, preferably t-butyl p-hydroxybenzoate, as a chainstopper in a polycarbonate-forming reaction. The products are capable of forming copolymers with other polymers such as polyamides and functionalized olefin polymers, by generation of a carboxy group which reacts therewith.
REFERENCES:
patent: 4556704 (1985-12-01), Rosenquist
Gambale Ronald J.
Hathaway Susan J.
Longley Kathryn L.
Ullman Timothy J.
Anderson Harold D.
Davis Jr. James C.
General Electric Company
Pittman William H.
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