Invention Grant
- Patent Title: Two-component-type primer, primer coating film, layered antifouling coating film, and method for preventing base material from being fouled
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Application No.: US14760803Application Date: 2014-01-31
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Publication No.: US10221332B2Publication Date: 2019-03-05
- Inventor: Jyunji Niimoto
- Applicant: CHUGOKU MARINE PAINTS, LTD.
- Applicant Address: JP Otake-shi
- Assignee: CHUGOKU MARINE PAINTS, LTD.
- Current Assignee: CHUGOKU MARINE PAINTS, LTD.
- Current Assignee Address: JP Otake-shi
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2013-019513 20130204
- International Application: PCT/JP2014/052306 WO 20140131
- International Announcement: WO2014/119741 WO 20140807
- Main IPC: C09D163/04
- IPC: C09D163/04 ; B32B15/08 ; B63H1/28 ; C09D5/00 ; C09D5/16 ; B32B13/04 ; B32B13/02 ; B05D7/14 ; B05D7/00 ; C09D5/08 ; C08G59/50 ; C08L63/00 ; C08L63/04 ; C09D7/40 ; C08K3/30 ; C08K3/013 ; C09D163/00
Abstract:
Provided is a two-component-type primer having good adhesive property with a base material, particularly a nonferrous metal, and excellent curability, without containing any chromium compound. The two-component-type primer comprises an epoxy resin, an MXDA (meta-xylenediamine) Mannich modified curing agent, a gypsum (excluding crystal gypsum), and a pigment (excluding gypsum), wherein the volume concentration of a gypsum and a pigment in a dry coating film formed with the primer is 40 to 50%.
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