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Title:
METHOD FOR PRODUCING META TYPE WHOLLY AROMATIC POLYAMIDE FIBER
Document Type and Number:
Japanese Patent JP2005213664
Kind Code:
A
Abstract:

To provide a method for producing a meta type wholly aromatic polyamide fiber, by which the meta type wholly aromatic polyamide fiber having an excellent quality can stably be produced for a long time.

This method for producing the meta type wholly aromatic polyamide fiber, comprising wet-spinning the amide-based solvent solution of a meta type wholly aromatic polyamide, is characterized by using an amide-based solvent aqueous solution containing a low mol. wt. meta type wholly aromatic polyamide insoluble in a wet coagulation liquid in an amount of ≤250 ppm or the amide-based solvent aqueous solution containing an inorganic salt as the wet coagulation liquid.


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Inventors:
YAKURA YASUSHIGE
FUJITA HIROSHI
Application Number:
JP2004019482A
Publication Date:
August 11, 2005
Filing Date:
January 28, 2004
Export Citation:
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Assignee:
TEIJIN TECHNO PRODUCTS LTD
International Classes:
D01F6/60; (IPC1-7): D01F6/60
Attorney, Agent or Firm:
Hideko Mihara