Process of making high-strength polyvinyl alcohol fiber

Details Process of making high-strength polyvinyl alcohol fiber Process of making high-strength polyvinyl alcohol fiber

1990-12-26

1993-07-20

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

2642107, 2642108, D01F 614

Patent

active

052290573

ABSTRACT:
High-strength polyvinyl alcohol fiber is provided by extruding a polyvinyl alcohol dope solution through a spinneret into a coagulating bath, the spinneret being located such that substantially only its dope-extruding surface contacts the coagulating bath. This process can produce stably and at a low cost polyvinyl alcohol fibers with excellent strength.

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