Polyestercarbonate from amide substituted aromatic dicarboxylic

Details Polyestercarbonate from amide substituted aromatic dicarboxylic Polyestercarbonate from amide substituted aromatic dicarboxylic

1984-10-05

1986-11-11

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528184, 528190, 562450, 562453, 562455, C08G 6362

Patent

active

046223797

ABSTRACT:
A composition comprising an aromatic copolyester-carbonate having flexural modulus, flexural yield and secondary transition temperature improvement over a corresponding aromatic polycarbonate effective amount of ester units of the structure ##STR1## or mixtures of the above two structures wherein R.sub.1 and R.sub.2 are the same or different and are alkyl of one to six carbon atoms, inclusive, cycloalkyl of four to seven carbon atoms, inclusive, phenyl, one to three alkyl substituted phenyl each alkyl having one to three carbon atoms, inclusive, and R.sub.1 and R.sub.2 taken together with the nitrogen to which they are attached form a ring of four to six carbon atoms, inclusive, or carbazole.

REFERENCES:
patent: 4465820 (1984-08-01), Miller et al.

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