Title:
複層塗膜形成方法
Document Type and Number:
Japanese Patent JP7315530
Kind Code:
B2
Abstract:
The present invention relates to a multi-layer coating film formation method in which the following are performed: a step in which a primer coating film is formed; a step in which a base coating film is formed; a step in which a clear coating film is formed; and a step in which these coating films are caused to harden simultaneously. The method satisfies at least: (A) the quantity of isocyanate at the interface between a coated article and the primer coating film is 1.5 parts by mass or less, relative to 100 parts by mass of resin solids in a primer coating material; or (B) the quantity of isocyanate at the interface between the primer coating film and the base coating film is 3.5 parts by mass or less, relative to 100 parts by mass of resin solids in a base coating material.
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Inventors:
Takayuki Ryoki
Kenji Imanaka
Kenji Imanaka
Application Number:
JP2020507864A
Publication Date:
July 26, 2023
Filing Date:
March 19, 2019
Export Citation:
Assignee:
Kansai Paint Co., Ltd.
International Classes:
B05D1/36; B05D3/00; B05D3/02; B05D7/24; C09D5/00; C09D201/06
Domestic Patent References:
| JP2012000568A |
Attorney, Agent or Firm:
Patent Attorney Corporation Eiko Office
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