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Title:
POLYESTER-BASED HOLLOW CRIMPED FIBER AND METHOD FOR PRODUCING THE SAME
Document Type and Number:
Japanese Patent JP2003055838
Kind Code:
A
Abstract:

To provide an aromatic polyester-based fiber having both of excellent heat-insulating performance and bulky performance.

This polyester-based hollow crimped fiber has 3-8 hollow parts continuing in the fiber-axis direction, total area of these hollow parts in an amount of 25-60% based on an area surrounded by the outer peripheral part of fiber cross section and three-dimensional crimp based on anisotropy of cross section.


Inventors:
Yamamoto, Nobuyuki
Aida, Hironori
Application Number:
JP2001000246978
Publication Date:
February 26, 2003
Filing Date:
August 16, 2001
Export Citation:
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Assignee:
TEIJIN LTD
International Classes:
D01F6/62; D01D5/24; D01F6/92; D02G1/00; (IPC1-7): D01F6/62; D01F6/92; D02G1/00
Domestic Patent References:
JPS6147807A
JPH1181120A
Attorney, Agent or Firm:
前田 純博