Phenylene ether-carbonate copolymer containing spiroindane group

Details Phenylene ether-carbonate copolymer containing spiroindane group Phenylene ether-carbonate copolymer containing spiroindane group

1987-03-17

1988-12-06

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528196, 528370, C08G 6362

Patent

active

047897252

ABSTRACT:
Cyclic polyphenylene ether-polycarbonate oligomer compositions are prepared from bishaloformates and bisphenols, at least one of which includes a spirobiindane moiety and the other of which is derived from a bisphenol-terminated polyphenylene ether oligomer. The cyclic compositions may be converted to linear copolycarbonates by treatment with a polycarbonate formation catalyst.

REFERENCES:
patent: 4552949 (1985-11-01), Mark
patent: 4644053 (1987-02-01), Brunelle et al.

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