Thermoplastic polyester compositions having improved release pro

Details Thermoplastic polyester compositions having improved release pro Thermoplastic polyester compositions having improved release pro

1987-01-21

1988-08-09

Short, Patricia

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524377, 525437, C08L 6702

Patent

active

047628715

ABSTRACT:
A reinforced, flame retardant molding composition based on polyalkylene terephthalate were found to be imparted an improved level of mold release properties upon the incorporation therein of a sufficient amount of a compound conforming to the structure of ##STR1## wherein R is a hydrocarbon derivative of a polyhydric alcohol preferably ethylene glycol, glycerol or pentaerythritol, R.sub.1 is hydrogen or a lower alkyl, n is about 10 to 30 and x is 2, 3 or 4.

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