Process of making hollow filaments

Details Process of making hollow filaments Process of making hollow filaments

1999-07-30

2000-09-19

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

26417714, 264211, D01D 524, D01D 5253, D01F 108

Patent

active

061207187

ABSTRACT:
A process for producing hollow polyamide filaments having at least one continuous void that adds to a fiber-forming polyamide from about 0.05% to about 5% of a triazine compound prior to extrusion of fiber. The process results in a greater closure of voids and larger void space than when the triazine compound is not used.

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