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Patent Searching and Data


Title:
FLAME-RETARDANT FABRIC AND PROTECTIVE CLOTHING USING SAME
Document Type and Number:
WIPO Patent Application WO/2022/064703
Kind Code:
A1
Abstract:
The present invention relates to a flame-retardant fabric which contains polyimide fibers and one or more kinds of regenerated cellulose fibers that are selected from the group consisting of acrylic fibers, flame-retardant rayon fibers and lyocell fibers, wherein: from 26% by weight to 79% by weight of acrylic fibers, from 18% by weight to 48% by weight of regenerated cellulose fibers, and from 3% by weight to 26% by weight of polyimide fibers are contained; the polyimide fibers have a fiber length of from 45 mm to 127 mm; and the char length as determined by a flammability test in accordance with GB/T 5455 (1997) is 50 mm or less. The present invention also relates to protective clothing which uses this flame-retardant fabric. Consequently, the present invention provides: a flame-retardant fabric which has a short char length in a flammability test, thereby having good flame retardancy; and protective clothing which uses this flame-retardant fabric.

Inventors:
OHNO SHIGEKI
OHZEKI TATSURO
Application Number:
PCT/JP2020/036656
Publication Date:
March 31, 2022
Filing Date:
September 28, 2020
Export Citation:
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Assignee:
KANEKA CORP (JP)
International Classes:
D03D15/513
Domestic Patent References:
WO2016111116A12016-07-14
WO2016194766A12016-12-08
Foreign References:
EP3480349A12019-05-08
US20180057973A12018-03-01
JP2017201063A2017-11-09
Attorney, Agent or Firm:
IKEUCHI & PARTNERS (JP)
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