Glass fiber filled polyester polymers

Details Glass fiber filled polyester polymers Glass fiber filled polyester polymers

1997-05-23

1998-07-14

Short, Patricia A.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524601, 524605, 521 79, 521 91, 521182, C08L 6702

Patent

active

057805393

ABSTRACT:
A polyester polymer containing micro glass fibers having an aspect ratio of greater than 1000, preferably from about 2000 to about 5000. Those micro glass fibers having these aspect ratios, preferably with mean fiber diameters of 1 microns or less, act as excellent nucleating agents to promote crystallization of the polymer melt during its cooling phase, improve the rheological behavior of the melt, reduce the crystalline half time during cooling phases, and are acceptable in polyester molded or thermoformed products which come into contact with food or beverage.

REFERENCES:
patent: 4806586 (1989-02-01), Nakai
patent: 4892763 (1990-01-01), Duse
patent: 5187216 (1993-02-01), Cassell et al.
patent: 5298550 (1994-03-01), Riccardi

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