	US 12,338,362 B2
	Water repellent agent composition, and production method of water repellent fiber product
Akihiro Gotou, Fukui (JP); Kousuke Maeda, Fukui (JP); Yoshiki Tsuge, Fukui (JP); Kazuhiko Kojima, Ichihara (JP); and Seiji Hori, Ichihara (JP)
Assigned to NICCA CHEMICAL CO., LTD., Fukui (JP); and DOW TORAY CO., LTD., Tokyo (JP)
Filed by NICCA CHEMICAL CO., LTD., Fukui (JP); and DOW TORAY CO., LTD., Tokyo (JP)
Filed on Mar. 14, 2024, as Appl. No. 18/604,678.
Application 18/604,678 is a continuation of application No. 16/956,696, previously published as PCT/JP2018/047085, filed on Dec. 20, 2018.
Claims priority of application No. 2017-247815 (JP), filed on Dec. 25, 2017.
Prior Publication US 2024/0287350 A1, Aug. 29, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. C09D 183/04 (2006.01); C09D 5/00 (2006.01); D06M 13/513 (2006.01); D06M 15/643 (2006.01); D06M 101/32 (2006.01); D06M 101/34 (2006.01)

CPC C09D 183/04 (2013.01) [C09D 5/00 (2013.01); D06M 13/513 (2013.01); D06M 15/643 (2013.01); D06M 2101/32 (2013.01); D06M 2101/34 (2013.01); D06M 2200/12 (2013.01)]

11 Claims

1. A water repellent agent composition consisting of aminomodified silicone, a silicone resin, alkylpolysiloxane, and water, and optionally one or more of the following:

fluorine-based polymers, aliphatic hydrocarbon, aliphatic carboxylic acid, aliphatic carboxylic acid esters, polyolefin, poly(meth)acrylic acid ester,

polymerization initiator, chain transfer agent, polymerization inhibitor,

polyfunctional isocyanate compound, a surfactant, an antifoaming agent, an organic acid, an inorganic acid, ethanol, isopropanol, glycerin, trimethylol propane, diethylene glycol, triethylene glycol, dipropylene glycol, propylene glycol, an antibacterial agent, an antifungal agent, a pH adjuster, a colorant, silica, an antioxidant, a refresher, catalysts, an emulsion stabilizer, organic solvents other than alkylpolysiloxane, a chelating agent, an antistatic agent, organo-modified silicone other than aminomodified silicone, a crosslinking agent other than the polyfunctional isocyanate compound, and penetrating agent;

wherein

the silicone resin consisting of MQ, MDQ, MTQ, or MDTQ as a constituent, where M has a formula (R″)₃SiO_0.5, D has a formula (R″)₂SiO, T has a formula R″SiO_1.5, and Q is SiO₂,

and R″ is a monovalent aliphatic hydrocarbon group having 1 to 10 carbon atoms or a monovalent aromatic hydrocarbon group having 6 to 15 carbon atoms, and

the alkylpolysiloxane is present in the water repellent agent composition in 925 to 6,000 parts by mass with respect to 100 parts by mass of an amount of the aminomodified silicone in the water repellent agent.