- Patent Title: Aqueous hydrophilic coating composition capable of forming coating film having excellent self-cleaning ability against stains adhered thereon, and surface-treated material having formed thereon coating film having excellent self-cleaning ability against stains adhered thereon
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Application No.: US14777755Application Date: 2014-03-05
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Publication No.: US09752046B2Publication Date: 2017-09-05
- Inventor: Katsuyuki Kawakami , Hiroshi Iwasaki , Yasuhiro Kinoshita
- Applicant: Nihon Parkerizing Co., Ltd.
- Applicant Address: JP Tokyo
- Assignee: Nihon Parkerizing Co., Ltd.
- Current Assignee: Nihon Parkerizing Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Osha Liang LLP
- Priority: JP2013-057777 20130321
- International Application: PCT/JP2014/055579 WO 20140305
- International Announcement: WO2014/148254 WO 20140925
- Main IPC: C09D139/06
- IPC: C09D139/06 ; C08K3/36 ; C08K9/06 ; C09D129/04 ; C09D133/02 ; C09D5/02 ; C09D7/12 ; C09D201/00 ; C09J133/24 ; C09D4/00 ; C09D133/26 ; C08F230/08
Abstract:
A water-based hydrophilic coating composition is characterized in that it is obtained by adding to a liquid medium: an inorganic compound (A) with colloidal silica (a) modified with at least one or more of organoalkoxysilane compounds (b) having one or more groups selected from the group consisting of a glycidyl group, a vinyl group and an amino group; a water-soluble resin (B); and amorphous silica (C) represented by M2O.SiO2, where the mass ratio of M2O/SiO2 is from 0.05 to 0.3.
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