Secondary amides in polyethylene terephthalate molding compositi

Details Secondary amides in polyethylene terephthalate molding compositi Secondary amides in polyethylene terephthalate molding compositi

1990-07-19

1991-11-26

Hoke, Veronica P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524605, 525444, C08K 520

Patent

active

050682741

ABSTRACT:
Reinforced polyethylene terephthalate molding resin compositions with glossy surface are provided which crystallize rapidly after being injection molded and which have engineering resin performance characteristics. In addition to polyethylene terephthalate and glass fibers, the compositions contain an aliphatic polyester, an ionic hydrocarbon polymer, an antioxidant, and a secondary amide. Optionally, the compositions may contain a portion of glass flakes, mica or other filler. The compounds can be flame retarded with a brominated polystyrene and an antimonate without substantial change in properties.

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