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Patent Searching and Data


Title:
CRIMPED POLYBENZAZOLE STAPLE FIBER AND ITS PRODUCTION
Document Type and Number:
Japanese Patent JPH07292533
Kind Code:
A
Abstract:

PURPOSE: To obtain a staple fiber, comprising a polybenzazole polymer or its copolymer and excellent in crimp performances for preparing spun yarns or nonwoven fabrics.

CONSTITUTION: This crimped polybenzazole staple fiber is obtained by crimping a continuous filament with a crimper and then cutting the crimped filament and capable of simultaneously satisfying the following conditions: (1) 2 ≤ number of crimps (peaks/inch)≤40, (2) 2 ≤ crimp ratio (%) ≤30 and (3) 0.3 ≤crimp ratio/number of crimps ≤3.0.


Inventors:
SAKUTA MITSUHIRO
ICHIYANAGI TAKAHARU
Application Number:
JP1994000105897
Publication Date:
November 07, 1995
Filing Date:
April 20, 1994
Export Citation:
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Assignee:
TOYO BOSEKI
International Classes:
D01F6/74; D01F6/78; D02G1/12; (IPC1-7): D02G1/12; D01F6/74; D01F6/78
Attorney, Agent or Firm:
安達 光雄 (外2名)