Polyestercarbonate from spiro dihydric phenol

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate

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Details

528176, 528193, C08G 6364

Patent

active

046057269

ABSTRACT:
Polycarbonates exhibiting improved heat distortion temperatures which are comprised of the polymerized coreaction products of (i) a carbonate precursor, and (ii) at least one particular spiro dihydric phenol.

REFERENCES:
patent: 4552949 (1985-11-01), Mark

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