Process for making polyester/platelet particle compositions disp

Details Process for making polyester/platelet particle compositions disp Process for making polyester/platelet particle compositions disp

1997-12-22

2000-12-19

Seidleck, James J.

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...

524448, 524450, 524451, C08J 510, C08K 334, C08L 3100

Patent

active

061628573

ABSTRACT:
The present invention relates to polyester-platelet particle composite comprising; at least one polyester having dispersed therein a platelet particle dispersion comprising about 0.01 to about 25 weight percent platelet particles and at least one water dissipatible polymer in a concentration which is at least about 1 part water dissipatible polymer to 1 part said polyester wherein said platelet particles primarily comprise individual platelet particles and tactoids. The composites of the present invention are prepared by dispersing at least one clay material in a water dissipatible polymer to form a platelet particle dispersion; introducing said platelet particle dispersion to a polyester and extrusion mixing said dispersion and polyester.

REFERENCES:
patent: 4889885 (1989-12-01), Usaki et al.
patent: 5552469 (1996-09-01), Beall et al.
patent: 5578672 (1996-11-01), Beall et al.

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