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Patent Searching and Data


Title:
NONWOVEN FABRIC FOR SKIN CARE PRODUCTS, FACE MASK AND CLEANSING SHEET
Document Type and Number:
WIPO Patent Application WO/2022/138449
Kind Code:
A1
Abstract:
In order to provide a nonwoven fabric for skin care products, said nonwoven fabric having excellent adhesion to the skin and excellent wiping-off properties for cosmetics adhering to the skin, while having an excellently soft touch to the skin, a nonwoven fabric for skin care products according to the present invention contains synthetic fibers and cellulose fibers, and is configured such that: if A is the maximum length and B is the maximum width of a cross-section of any one of the synthetic fibers, the degree of flatness expressed by formula (1) is from 1.0 to 1.5; the synthetic fibers have a recess, the depth of which is from 1.0% to 10.0% of the single fiber diameter of the synthetic fibers; the single fiber fineness of the synthetic fibers is from 1 μm to 20 μm; the content of the synthetic fibers is from 30% by mass to 70% by mass relative to the entirety of the nonwoven fabric for skin care products; the content of the cellulose fibers is from 70% by mass to 30% by mass relative to the entirety of the nonwoven fabric for skin care products; and the average single fiber diameter of all fibers that constitute the nonwoven fabric for skin care products is from 5 μm to 20 μm. Formula (1): (Degree of flatness) = A/B

Inventors:
OYAMA KUMI (JP)
OMORI TAIRA (JP)
TAKANO TOMOKO (JP)
Application Number:
PCT/JP2021/046545
Publication Date:
June 30, 2022
Filing Date:
December 16, 2021
Export Citation:
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Assignee:
TORAY INDUSTRIES (JP)
International Classes:
D04H1/4391; A45D44/22; A61K8/02; A61Q1/14; A61Q19/00; D04H1/425; D04H1/492
Foreign References:
JPH09310257A1997-12-02
KR20190035174A2019-04-03
JP2001314342A2001-11-13
JP2019170756A2019-10-10
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