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US 12,540,245 B2Granted
Water repellent composition, method for producing water repellent composition, and fiber product
AssigneesMitsui Chemicals, Inc., Daikin Industries, Ltd.
InventorsChikako Kouda, Kazuyuki Fukuda, Keisuke Nakamura, Daisuke Noguchi, Masahiro Miyahara, Rumi Kawabe, Shinichi Minami
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Abstract
A water repellent composition includes a polyurethane resin compound, a non-fluorine water repellent compound, a surfactant, and a liquid medium. The polyurethane resin compound includes at least one kind selected from the group consisting of a first polyurethane resin compound, a second polyurethane resin compound, and a third polyurethane resin compound.
Claims11
A water repellent composition comprising:
- a polyurethane resin compound, a non-fluorine water repellent compound, a surfactant, and a liquid medium, wherein
- the polyurethane resin compound includes
- (A) a first polyurethane resin compound which is a reaction product of
- a first aliphatic polyisocyanate derivative having an average number of isocyanate groups of 2 or more,
- a first long-chain active hydrogen compound including a hydrocarbon group having 12 or more and 30 or less carbon atoms and an active hydrogen group in combination,
- a cationic active hydrogen compound including an active hydrogen group and a cationic group in combination, and
- an acid compound capable of a salt with the cationic group, and
- a concentration of the hydrocarbon group in the first polyurethane resin compound is 30% by mass or more and 85% by mass or less.
5 more elements
Dependencies are inferred from the claim text.