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Title:
WATER-REPELLING AND OIL-REPELLING AGENT COMPOSITION, WATER AND OIL REPELLENT TREATMENT METHOD, AND WATER-REPELLING AND OIL-REPELLING FIBER
Document Type and Number:
WIPO Patent Application WO/2021/131334
Kind Code:
A1
Abstract:
Provided is a water-repelling and oil-repelling agent composition which exhibits high adsorption to a substrate and can impart a substrate with high oil repellency and water repellency. This water-repelling and oil-repelling agent composition contains a copolymer (A), a cationic surfactant (B), an aqueous medium (C), and a polyether-modified polydimethylsiloxane (D). Particles containing the copolymer (A) are dispersed in the aqueous medium (C). The copolymer (A) contains a constituent unit derived from a monomer (a1) comprising an alkyl (meth)acrylate ester in which a part other than a (meth)acryloyloxy group is a hydrocarbon structure and a constituent unit derived from a monomer (a2) comprising a compound having an ethylenically unsaturated bond and an amide bond. The polyether-modified polydimethylsiloxane (D) is a compound in which some or all hydrogen atoms of methyl groups in the polydimethylsiloxane are substituted with polyether chains.

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Inventors:
MURATA NAOKI (JP)
NAKAGAWA YASUHIRO (JP)
Application Number:
PCT/JP2020/041204
Publication Date:
July 01, 2021
Filing Date:
November 04, 2020
Export Citation:
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Assignee:
SHOWA DENKO KK (JP)
International Classes:
C08F290/06; C08F220/28; C08F220/54; C09K3/18; D06M13/463; D06M15/263; D06M15/285; D06M15/647; D21H19/20; D21H19/32
Domestic Patent References:
WO2018163911A12018-09-13
WO2019163570A12019-08-29
WO2012020806A12012-02-16
WO2018163911A12018-09-13
Foreign References:
JP2019026747A2019-02-21
JP2018119250A2018-08-02
JP2016102272A2016-06-02
JP2010501656A2010-01-21
JP2012032795A2012-02-16
JP2012031285A2012-02-16
JP2016102272A2016-06-02
Other References:
See also references of EP 3872106A4
Attorney, Agent or Firm:
OIKAWA Shu et al. (JP)
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