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Patent Searching and Data


Title:
WET-LAID NONWOVEN FABRIC SHEET
Document Type and Number:
WIPO Patent Application WO/2022/158544
Kind Code:
A1
Abstract:
The present invention relates to a wet-laid nonwoven fabric sheet configured to contain at least three types of thermoplastic fibers having different fiber diameters, wherein the fiber diameter ratio (R/r) of the fiber diameter R of the fiber having the largest fiber diameter to the fiber diameter r of the fiber having the smallest fiber diameter is 30 ≤ R/r ≤ 150, the average pore size is 0.10-15 μm, and the maximum frequency in the pore size distribution is 70% or more.

Inventors:
HAMADA KOSUKE (JP)
SUZUKI NORIO (JP)
MASUDA MASATO (JP)
Application Number:
PCT/JP2022/002066
Publication Date:
July 28, 2022
Filing Date:
January 20, 2022
Export Citation:
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Assignee:
TORAY INDUSTRIES (JP)
International Classes:
D21H15/02; D04H1/732; D21H13/24
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
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