Invention Grant
- Patent Title: Surface layer-peelable composite coating film, coating composition for forming composite coating film, and method
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Application No.: US15740093Application Date: 2016-06-29
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Publication No.: US10538676B2Publication Date: 2020-01-21
- Inventor: Kengo Urabe , Mika Iga , Yasunori Minato
- Applicant: NIPPON PAINT HOLDINGS CO., LTD.
- Applicant Address: JP Osaka
- Assignee: NIPPON PAINT HOLDINGS CO., LTD.
- Current Assignee: NIPPON PAINT HOLDINGS CO., LTD.
- Current Assignee Address: JP Osaka
- Agency: Wenderoth, Lind & Ponack, L.L.P.
- Priority: JP2015-132782 20150701; JP2016-128592 20160629
- International Application: PCT/JP2016/069349 WO 20160629
- International Announcement: WO2017/002885 WO 20170105
- Main IPC: C09D5/20
- IPC: C09D5/20 ; C09D7/40 ; C09D167/08 ; B32B7/06 ; B32B27/18 ; B32B27/36 ; B32B27/08 ; B05D7/24 ; C09D201/00 ; B05D5/00
Abstract:
The present invention provides an oxidative polymerization resin-based composite coating film capable of being renewed a number of times by peeling a coating-film surface layer. More specifically, a coating composition comprising a base resin composition containing an oxidative polymerization resin; an organic compound having a melting point of 5 to 150° C.; a dryer; and an oxidative polymerization inhibitor containing at least one of a dryer protectant and a radical inhibitor is used to form a composite coating film made up of a cured film layer and an uncured inner layer.
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