Polycarbonate exhibiting improved heat resistance from diphenol

Details Polycarbonate exhibiting improved heat resistance from diphenol Polycarbonate exhibiting improved heat resistance from diphenol

1984-12-28

1986-08-26

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528176, 528179, 528182, 528193, 528194, 528198, 528199, 528202, 528204, C08G 6362

Patent

active

046084304

ABSTRACT:
Polycarbonates exhibiting improved heat resistances comprised of the reaction products of (i) a carbonate precursor and (ii) at least one dihydric phenol represented by the general formula ##STR1## wherein: R and R.sup.1 are independently selected from alkyl radicals;

REFERENCES:
patent: 4237259 (1980-12-01), Keely

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