High I.V. polyester compositions containing platelet particles

Details High I.V. polyester compositions containing platelet particles High I.V. polyester compositions containing platelet particles

1997-12-22

2000-07-04

Hoke, Veronica P.

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...

428 3692, 428333, 428338, 428339, 524446, 524447, C08K 334

Patent

active

060840196

ABSTRACT:
The present invention relates to polyester-platelet particle composite compositions comprising about 0.01 to about 25 weight percent platelet particles dispersed in at least one polyester wherein said composition has an I.V. of greater than about 0.55 dl/g, low shear melt viscosity greater than about 30,000 poise and a gas permeability which is at least 10% lower than that of unmodified polyester and processes for producing same.

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