Polyestercarbonates which exhibit improved processibility

Details Polyestercarbonates which exhibit improved processibility Polyestercarbonates which exhibit improved processibility

1998-07-06

1999-09-28

Mosley, Terressa

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528271, 528272, C08G 6400

Patent

active

059590645

ABSTRACT:
The invention relates to a polyestercarbonate polymer which comprises repeating units of a mono-unsaturated aliphatic dicarboxylic acid having about 12 to about 20 carbon atoms. Preferred dicarboxylic acids for incorporation into the polymer are cis-octadec-9-enedioic acid or trans-octadec-9-enedioic acid. The use of these mono-unsaturated acids results in polymers with lower glass transition temperatures, and enhances processibility.

REFERENCES:
patent: 4286083 (1981-08-01), Kochanowski
patent: 4983706 (1991-01-01), Fontana et al.
patent: 5025081 (1991-06-01), Fontana et al.
patent: 5274068 (1993-12-01), Boden et al.

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