Invention Grant
- Patent Title: Hydrophilic coating film, method for producing same, humidification element, and humidification device
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Application No.: US15030544Application Date: 2014-06-05
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Publication No.: US10202511B2Publication Date: 2019-02-12
- Inventor: Tasuku Izutani , Yoshinori Yamamoto , Yasuhiro Yoshida , Osamu Hiroi , Masaru Takada , Hiroshi Tsutsumi
- Applicant: MITSUBISHI ELECTRIC CORPORATION
- Applicant Address: JP Chiyoda-ku
- Assignee: Mitsubishi Electric Corporation
- Current Assignee: Mitsubishi Electric Corporation
- Current Assignee Address: JP Chiyoda-ku
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2013-260754 20131218
- International Application: PCT/JP2014/065015 WO 20140605
- International Announcement: WO2015/093078 WO 20150625
- Main IPC: C09D5/00
- IPC: C09D5/00 ; C09D1/00 ; F24F6/04 ; C09D7/43 ; C09D133/06

Abstract:
To provide a hydrophilic coating film that excels not only in initial humidification performance, but also in long-term humidification performance as well as to provide a production method for the hydrophilic coating film, and a humidification element. A hydrophilic coating film (7) contains porous silica gel particles (3), fine inorganic particles (2) having an average particle diameter smaller than an average pore diameter of the silica gel particles (3), and a thickener (8). A production method for the hydrophilic coating film (7) coats a base material (1) with a coating composition and dries the coated base material (1), the coating composition containing water (6), a thickener (6), porous silica gel particles (3), and fine inorganic particles (2) having an average particle diameter smaller than an average pore diameter of the silica gel particles (3).
Public/Granted literature
- US20160251521A1 HYDROPHILIC COATING FILM, METHOD FOR PRODUCING SAME, HUMIDIFICATION ELEMENT, AND HUMIDIFICATION DEVICE Public/Granted day:2016-09-01
Information query
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