Title:
中塗り塗料組成物、複層塗膜及び複層塗膜の形成方法
Document Type and Number:
Japanese Patent JP6675292
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an intermediate coating composition capable of forming a multilayer coated film which has high single film hardness of an intermediate coating layer, and is excellent in chipping resistance and appearance without using a chipping-resistant primer.SOLUTION: An intermediate coating composition is used for formation of an intermediate layer layered directly on a surface of an electrodeposition film constituting a vehicle outer plate, and contains polycaprolactone triol of 0.1 mass% or more and 5 mass% or less of the percentage content in the whole resin component, pyrazole block isocyanate of 20 mass% or more and 30 mass% or less of the percentage content, a melamine resin of 1 mass% or more and 20 mass% or less of the percentage content, polyester of 40 mass% or more and 70 mass% or less of the percentage content, an epoxy resin of more than 0 mass% and 10 mass% or less, and talc having 1 mass% or more and 10 mass% or less of pigment mass concentration, an urethane curing catalyst of more than 0.01 pt.mass and 2 pts.mass or less with respect to 100 pts.mass of the whole resin component, and a sulfonic acid catalyst of more than 0.01 pt.mass and 2 pts.mass or less.SELECTED DRAWING: None
Inventors:
Kenji Ohba
Hideki Ichimura
Koichi Ohno
Yoshinori Narita
Hideki Ichimura
Koichi Ohno
Yoshinori Narita
Application Number:
JP2016197572A
Publication Date:
April 01, 2020
Filing Date:
October 05, 2016
Export Citation:
Assignee:
Nippon Paint Automotive Coatings Co., Ltd.
TOYOTA JIDOSHA KABUSHIKI KAISHA
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
C09D167/00; B05D1/36; B05D7/14; C09D7/40; C09D161/28; C09D163/00; C09D175/04
Domestic Patent References:
| JP11076937A | ||||
| JP2015193796A | ||||
| JP2012000568A | ||||
| JP2002194275A | ||||
| JP2005225907A | ||||
| JP2008144064A | ||||
| JP2017101233A |
Attorney, Agent or Firm:
Hajime Amano
Fujimoto Katsune
Yoshinori Ikeda
Hiroshi Ogawa
Koji Ishida
Kenichi Fujinaka
Fujimoto Katsune
Yoshinori Ikeda
Hiroshi Ogawa
Koji Ishida
Kenichi Fujinaka