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Title:
PROCESS FOR MAKING OF PARA-TYPE FULLY AROMATIC COPOLYAMIDE FIBER
Document Type and Number:
Japanese Patent JP2010150729
Kind Code:
A
Abstract:

To provide the process for making para-type fully aromatic copolyamide fiber which is free from any lowering in productivity due to entanglement of single filament under solidification.

In manufacturing para-type fully aromatic copolyamide fiber including structural repeating unit (1) expressed by the following formula (1), the flow rate of a solidifying solution at the time of solidifying fully aromatic copolyamide solution within a solidifying bath is to be made 3.60 m/h to 5.20 m/h for each piece of filament, provided, however, that the formula (1) is expressed as: -CO-Ar1-CO-NH-Ar2-NH-(1), wherein Ar1and Ar2are respectively independent of each other, representing unsubstituted or substituted bivalent aromatic group.

COPYRIGHT: (C)2010,JPO&INPIT


Inventors:
TSUNAWAKI FUMIAKI
Application Number:
JP2008333222A
Publication Date:
July 08, 2010
Filing Date:
December 26, 2008
Export Citation:
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Assignee:
TEIJIN TECHNO PRODUCTS LTD
International Classes:
D01F6/80
Attorney, Agent or Firm:
Shigetaka Shirai