Melt-stable copolyester molding resins, process for making same,

Details Melt-stable copolyester molding resins, process for making same, Melt-stable copolyester molding resins, process for making same,

1991-12-27

1993-08-03

Kight, III, John

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

Synthetic resins

From carboxylic acid or derivative thereof

528176, 528271, C08G 6300, C08G 6700, C08G 6302

Patent

active

052330168

ABSTRACT:
Normally solid, melt-stable copolyester molding resins are formed of the polycondensation reaction product of(a) an aromatic dicarboxylic acid or an ester-forming derivative thereof, (b) an aliphatic dihydroxy compound which includes at least 35 mole % of of units derived from 1,4-cyclohexanedimethanol, and (c) a melt-stable effective amount between 0.1 to 35 mole %, based on the amount of the aromatic dicarboxylic acid, of an ester-forming diol compound of the following formula I:

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