Process of making crimped, annealed polyester filaments

Details Process of making crimped, annealed polyester filaments Process of making crimped, annealed polyester filaments

1984-03-16

1987-01-27

Czaja, Donald

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Stretching or stretch forming

B29C 5500

Patent

active

046393471

ABSTRACT:
A process for annealing drawn polyester filaments with saturated steam of at least about 150 psig provides products with a novel fine structure that results in an improved balance of strength, dyeability, shrinkage, crimpability and trimer in the product.

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