Process for forming crystalline polymer pellets

Details Process for forming crystalline polymer pellets Process for forming crystalline polymer pellets

1996-08-08

1998-04-28

Vargot, Mathieu D.

Plastic and nonmetallic article shaping or treating: processes

Formation of solid particulate material directly from molten...

Utilizing centrifugal force or rotating forming zone

264 13, B01J 402

Patent

active

057440743

ABSTRACT:
This invention relates to a process and apparatus for forming a polyester polymer into particles. More particularly, this invention relates to a process and apparatus for forming crystalline, uniform pellets from an amorphous polyester melt. The polyester pellets have utility, for example, as feedstock for a process for producing higher molecular weight polyesters.

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patent: 5295799 (1994-03-01), Prewitt
patent: 5340509 (1994-08-01), Chang et al.

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