Poly(ester-ether-carbonate)

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...

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Details

521182, 521189, 525439, 525462, 528196, 528204, C08G 6362

Patent

active

047436301

ABSTRACT:
Disclosed are new poly(ester-ether-carbonates) which may be prepared by heating aromatic diol polycarbonates and poly(ester-carbonates) with ethylene carbonate, optionally in the presence of a suitable catalyst or promoter.

REFERENCES:
patent: 4623675 (1986-11-01), Darnell et al.

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