	US 12,077,678 B2
	Water-repellent, oil-repellent member and method for manufacturing water-repellent, oil-repellent member
Yuji Yamane, Annaka (JP); and Ryusuke Sakoh, Annaka (JP)
Assigned to SHIN-ETSU CHEMICAL CO., LTD., Tokyo (JP)
Appl. No. 17/269,892
Filed by SHIN-ETSU CHEMICAL CO., LTD., Tokyo (JP)
PCT Filed Jul. 16, 2019, PCT No. PCT/JP2019/027858 § 371(c)(1), (2) Date Feb. 19, 2021, PCT Pub. No. WO2020/039795, PCT Pub. Date Feb. 27, 2020.
Claims priority of application No. 2018-153807 (JP), filed on Aug. 20, 2018.
Prior Publication US 2021/0332248 A1, Oct. 28, 2021
Int. Cl. C09D 5/00 (2006.01); B05D 7/00 (2006.01); C09D 171/00 (2006.01); C09D 183/06 (2006.01); C09D 183/14 (2006.01)

CPC C09D 5/002 (2013.01) [B05D 7/546 (2013.01); C09D 171/00 (2013.01); C09D 183/06 (2013.01); C09D 183/14 (2013.01)]

11 Claims

1. A water/oil repellent member comprising a substrate, a primer layer disposed as a first layer on at least one surface of the substrate, and a water/oil repellent layer disposed as a second layer on the outer surface of the primer layer, the primer layer being a layer which is composed mainly of an organosilicon compound having a plurality of silanol groups in the molecule and has a thickness of 30 to 500 nm, wherein the primer layer contains 50 to 100% by weight of the organosilicon compound having a plurality of silanol groups in the molecule which has a silanol content of 0.002 to 0.042 mol/g, the water/oil repellent layer being a layer which is composed mainly of a cured product of a hydrolyzable fluorinated compound and has a thickness of 0.5 to 30 nm, the water/oil repellent layer having a surface resistivity of up to 1.0×10¹¹Ω/sq on its outer surface.