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Patent Searching and Data


Title:
BASE CLOTH FOR MATERIAL AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/193966
Kind Code:
A1
Abstract:
Provided are a base cloth for a material and a manufacturing method therefor, the base cloth suppressing opening of a boundary portion between an expanding part and a non-expanding part when used in a bag body, having low dynamic air permeability, and being capable of exhibiting the characteristic of being unlikely to burst even at high temperatures. A fabric base cloth for a material according to the present invention is composed of fibers having a prescribed thread breaking strength value, and for which the cloth surface is not subjected to resin coating, laminating, or a resin impregnation treatment. The base cloth for a material is characterized in that, in the curve of strong elongation characteristics (FS) of constituent fibers obtained using the Edgecomb Resistance measurement method stipulated in the ASTM D6479 standard, E1 is 3 to 25 MPa and E2 is 10 to 30 MPa for both the warp and weft in both a 25°C environment and a 150°C environment, E1 being the value obtained by dividing the ratio of the strength increase amount at a bending elongation of 0.4 to 4.4% by the total cross-sectional area of the fiber in the measuring direction, and E2 being the value obtained by dividing the ratio of the strength increase amount at an elongation of -4.8 to -0.8% from a fiber cutting point by the total cross-sectional area of the fiber in the measurement direction.

Inventors:
TANAKA TAKESHI (JP)
Application Number:
PCT/JP2021/013109
Publication Date:
September 30, 2021
Filing Date:
March 26, 2021
Export Citation:
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Assignee:
ASAHI CHEMICAL IND (JP)
International Classes:
D03D1/02; B60R21/235
Domestic Patent References:
WO2014115864A12014-07-31
WO2015025842A12015-02-26
WO2015137495A12015-09-17
Foreign References:
JP2012052280A2012-03-15
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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