Japan, Sept. 16 -- KANSAI PAINT CO LTD,MAZDA MOTOR CORP has got intellectual property rights for 'METHOD FOR PRODUCING MULTILAYER COATING FILM, AND MULTILAYER COATING FILM.' Other related details are as follows:

Application Number: JP,2022-079518

Category (FI): B32B27/20@A,B05D5/06,101@A,B05D1/36@B,B05D7/24,303@C,B05D7/24,303@J,B32B27/30@A,B32B27/40

Stage: PROBLEM TO BE SOLVED: To provide a method for producing a white, metallic-tone multilayer coating film that exhibits high gloss under a highlight condition, maintains consistently high brightness under highlight to shade conditions, and offers excellent repairability, and to provide such a multilayer coating film.SOLUTION: The present invention relates to a method for producing a multilayer coating film, wherein a base coating (X), a lustrous pigment dispersion (Y), and a two-component clear coating (Z) are applied in the indicated sequence directly onto an electrodeposition coating film and these three coating films are simultaneously cured. The lustrous pigment dispersion (Y) contains an aluminum flake pigment (A), titanium oxide (B), a hydroxyl group-containing acrylic resin (C), a viscosity modifier (D), and water, wherein the titanium oxide (B) content is 10 to 20 mass% in the total solids fraction in the lustrous pigment dispersion (Y), and the mass ratio of the aluminum flake pigment (A) to the titanium oxide (B), (A)/(B), is 0.8 to 1.2.SELECTED DRAWING: None (Grant)

Filing Date: May 13, 2022

Publication Date: Nov. 24, 2023

The original document can be viewed at: https://www.j-platpat.inpit.go.jp/p0100

Disclaimer: Curated by HT Syndication.