	US 12,351,732 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)
Appl. No. 16/956,696
Filed by NICCA CHEMICAL CO., LTD., Fukui (JP); and DOW TORAY CO., LTD., Tokyo (JP)
PCT Filed Dec. 20, 2018, PCT No. PCT/JP2018/047085 § 371(c)(1), (2) Date Jun. 22, 2020, PCT Pub. No. WO2019/131456, PCT Pub. Date Jul. 4, 2019.
Claims priority of application No. 2017-247815 (JP), filed on Dec. 25, 2017.
Prior Publication US 2020/0332148 A1, Oct. 22, 2020
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)]

3 Claims

1. A method for producing a water-repellent textile product, the method comprising attaching a water repellent agent to textile fibers by a step of treating the fibers with a treatment liquid consisting of 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 amino-modified silicone,

and

penetrating agent;

wherein,

after the water repellent agent is attached to the fibers, the fibers are heat-treated at 110° C. to 180° C.,

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 composition.