PRODUCTION OF POLYVINYL ALCOHOLIC FIBER EXCELLENT IN QUALITY

Title:

PRODUCTION OF POLYVINYL ALCOHOLIC FIBER EXCELLENT IN QUALITY

Document Type and Number:

Japanese Patent JPH0657523

Kind Code:

A

Abstract:

PURPOSE: To produce polyvinyl alcoholic fiber excellent in overall performance such as strength, hot water resistance and durability by using an aqueous coagulation bath safe in aspects of health and ignition and explosion as a coagulation bath for spinning the polyvinyl alcoholic fiber.

CONSTITUTION: A polyvinyl alcoholic spinning solution is wet or dry jet-wet spun. In the process, a coagulation bath composed of an aqueous solution of coagulating salts represented by ammonium sulfate at ≤15°C is used to spin the solution so as to provide 30-90% residual solvent ratio of the coagulated yarn in the first godet roller part.

Inventors:

SANO TOMOYUKI
OMORI AKIO
KOBAYASHI SATORU
NARAMURA SHUNPEI

Application Number:

JP23768492A

Publication Date:

March 01, 1994

Filing Date:

August 12, 1992

Export Citation:

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Assignee:

KURARAY CO

International Classes:

D01D5/06; D01F6/14; (IPC1-7): D01F6/14; D01D5/06

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