Thermally stable carbonate polymer

Details Thermally stable carbonate polymer Thermally stable carbonate polymer

1983-07-29

1984-04-24

Lee, Lester L.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528125, 528128, 528169, 528370, 528371, 528372, C08G 6362, C08G 7904

Patent

active

044449780

ABSTRACT:
Carbonate polymers having increased thermal stability are prepared by incorporating into the polymer chain an oligomer having the formula ##STR1## wherein R is the divalent residue of a dihydric phenol or a dihydric polynuclear phenol,

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patent: 4123420 (1978-10-01), Kyo et al.
patent: 4156663 (1979-05-01), Okamoto et al.
patent: 4223104 (1980-09-01), Kim et al.
patent: 4322520 (1982-03-01), Schmidt et al.
patent: 4401802 (1983-08-01), Schmidt et al.

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