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Title:
WATER REPELLENT COMPOSITION, KIT, WATER REPELLENT FIBER PRODUCT AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2021/246475
Kind Code:
A1
Abstract:
Provided is a water repellent composition having good chalk mark resistance.　The water repellent composition comprises at least a reaction product (AB) of a polyol compound (A) with a polyisocyanate compound (B) and a water repellency-imparting compound (C). In the water repellent composition: the polyol compound (A) comprises a polyol compound (A1) that has one or more functional groups of at least one kind selected from the group consisting of an ether group, a carbonate group and an ester group and/or a polyol compound (A2) that has none of the aforesaid functional groups; the reaction product (AB) has an isocyanate group; when the polyol compound (A) comprises the polyol compound (A2) alone in the reaction product (AB), the ratio by mole (B/A2) of the isocyanate group in the polyisocyanate compound (B) to the hydroxyl group in the polyol compound (A2) is 2.1 or more; the water repellency-imparting compound (C) has no perfluoroalkyl group having 7 or more carbon atoms; and the ratio by mass (AB/C) of the reaction product (AB) to the water repellency-imparting compound (C) is 0.05 or more.

Inventors:
MATSUMURA TATSUYA (JP)
DAIDO NAOKI (JP)
NISHIMURA HIROSHI (JP)
HASHIMOTO TAKAFUMI (JP)
Application Number:
PCT/JP2021/021154
Publication Date:
December 09, 2021
Filing Date:
June 03, 2021
Export Citation:
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Assignee:
MEISEI CHEMICAL WORKS LTD (JP)
International Classes:
C09K3/18; C08G18/08; C08G18/10; C08G18/63; C08G18/79; C08G18/80; D06M13/395; D06M15/564
Domestic Patent References:
WO2017199726A12017-11-23
WO2011122442A12011-10-06
WO2007114302A12007-10-11
WO2019163570A12019-08-29
WO2019026593A12019-02-07
WO2016178429A12016-11-10
Foreign References:
JP2018062720A2018-04-19
JP2019026965A2019-02-21
JP2013155459A2013-08-15
JP2010229593A2010-10-14
JP2018095879A2018-06-21
JP2018119250A2018-08-02
JP2020002197A2020-01-09
JP2019196463A2019-11-14
JP2017066325A2017-04-06
JP2019026747A2019-02-21
JP2019026746A2019-02-21
JP2017538793A2017-12-28
JP2017155095A2017-09-07
JP2017533976A2017-11-16
US20100190397A12010-07-29
JP2018104866A2018-07-05
JP2017206775A2017-11-24
JP2009177415A2009-08-06
Attorney, Agent or Firm:
TANAKA, Junya et al. (JP)
Download PDF:
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