BASE COATING MATERIAL COMPOSITION AND COATED ARTICLE - NIPPON PAINT AUTOMOTIVE COATINGS CO LTD

Title:

BASE COATING MATERIAL COMPOSITION AND COATED ARTICLE

Document Type and Number:

WIPO Patent Application WO/2022/075269

Kind Code:

A1

Abstract:

The present invention provides: a base coating material composition which can form a base coating film having excellent aesthetic properties (photoluminescent pigment unevenness and so on), adhesion, and water resistance, while satisfying environmental considerations such as a reduction in drying time; and a coated article obtained from the base coating material composition.　The present invention provides a base coating material composition that contains: a pigment (A); a hydroxyl group-containing acrylic resin (B); a blocked isocyanate compound (C); crosslinked polymer fine particles (D) that are insolubly and stably dispersed in a solution of the hydroxyl group-containing acrylic resin (B); and an acrylic resin (E) having a weight average molecular weight that is different from that of the hydroxyl group-containing acrylic resin (B). A specific hydroxyl group-containing acrylic resin (B) is used, and the viscosity recovery rate is adjusted. The present invention also provides a coated article formed using the base coating material composition.

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Inventors:

TAKAIRA YOSHIKI (JP)
JINNO NOBUSUKE (JP)
MATSUFUJI TAKUNORI (JP)
MIZUGUCHI KATSUMI (JP)
HORII SHINICHI (JP)

Application Number:

PCT/JP2021/036655

Publication Date:

April 14, 2022

Filing Date:

October 04, 2021

Export Citation:

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Assignee:

NIPPON PAINT AUTOMOTIVE COATINGS CO LTD (JP)

International Classes:

B05D7/24; B32B27/30; C08G18/08; C08G18/62; C08G18/80; C09D5/00; C09D7/61; C09D7/65; C09D133/00; C09D133/14; C09D175/04

Foreign References:

JPH0994522A	1997-04-08
JP2017082197A	2017-05-18
JPH08239542A	1996-09-17
JPH0247175A	1990-02-16
JP2007075791A	2007-03-29
JP2012524161A	2012-10-11
JP2003053254A	2003-02-25

Attorney, Agent or Firm:

YAMAO, Norihito et al. (JP)

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