US 12,146,069 B2
Aqueous surface-treating agent
Akiko Koga, Kanagawa (JP); Naoki Kameda, Ibaraki (JP); and Masaki Tahara, Ibaraki (JP)
Assigned to NOK KLUBER CO., LTD., Tokyo (JP); and NOK CORPORATION, Tokyo (JP)
Appl. No. 17/773,962
Filed by NOK CORPORATION, Tokyo (JP); and NOK KLUBER CO., LTD., Tokyo (JP)
PCT Filed Oct. 7, 2020, PCT No. PCT/JP2020/037970
§ 371(c)(1), (2) Date May 3, 2022,
PCT Pub. No. WO2021/090628, PCT Pub. Date May 14, 2021.
Claims priority of application No. 2019-200557 (JP), filed on Nov. 5, 2019.
Prior Publication US 2022/0389270 A1, Dec. 8, 2022
Int. Cl. C09D 175/04 (2006.01); C09D 5/02 (2006.01); C09D 5/08 (2006.01); C09D 7/65 (2018.01)
CPC C09D 175/04 (2013.01) [C09D 5/024 (2013.01); C09D 5/08 (2013.01); C09D 7/65 (2018.01)] 5 Claims
 
1. An aqueous surface-treating agent comprising (A) an aqueous emulsion of silicone oil, (B) a silanol-modified polyurethane resin, (C) a silane compound and/or a partial hydrolysate thereof, (D) an aqueous emulsion of a hydrazide and a carbonyl group-containing polyurethane resin, and (E) an aqueous emulsion of a polyurethane resin having a glass transition temperature of −30° C. or lower, and a thermal softening temperature of 70° C. or lower measured by using a flow tester when heated from 40° C. to 150° C. at a heating rate of 5° C./min.