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Patent Searching and Data


Title:
PROTECTIVE CLOTHING MATERIAL
Document Type and Number:
WIPO Patent Application WO/2019/059203
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a protective clothing material that has excellent liquid, in particular oil, penetration suppression properties and an excellent ventilation rate. This protective clothing material includes at least a spunbond nonwoven fabric layer (A) and a meltblown nonwoven fabric layer having an olefin resin as a main component, wherein: the spunbond nonwoven fabric layer (A) and the meltblown nonwoven fabric layer are directly laminated together; the spunbond nonwoven fabric layer (A) is made of fibers having an average fiber diameter of 18-30 μm, has a thickness of 150-300 μm, has a bulk density of 0.20-0.40 g/cm3, and further has a fluorine mass content in the entire spunbond nonwoven fabric layer (A) of 500 ppm or greater; the meltblown nonwoven fabric layer is made of fibers having an average fiber diameter of 3-8 μm, has a thickness of 100-200 μm, has a bulk density of 0.20-0.40 g/cm3, and further has a fluorine mass content in the entire meltblown nonwoven fabric layer of 100 ppm or less.

Inventors:
SHIBATA YU (JP)
HAYASHI YUICHIRO (JP)
Application Number:
PCT/JP2018/034554
Publication Date:
March 28, 2019
Filing Date:
September 19, 2018
Export Citation:
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Assignee:
TORAY INDUSTRIES (JP)
International Classes:
B32B5/26; D04H3/007; D04H3/016
Domestic Patent References:
WO2001053585A12001-07-26
Foreign References:
JP2006507427A2006-03-02
JP2003166173A2003-06-13
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