Title:
AQUEOUS COATING MATERIAL COMPOSITION AND METHOD FOR FORMING MULTILAYER COATING FILM
Document Type and Number:
WIPO Patent Application WO/2023/157917
Kind Code:
A1
Abstract:
The purpose of the present disclosure is to provide an aqueous coating material composition that has exceptional storage stability and can exhibit high coating film performance and glass adhesiveness even when cured at a comparatively low temperature. An aqueous coating material composition containing (A) a hydroxyl-group- and carboxyl-group-containing resin, (B) an aqueous dispersion of a blocked polyisocyanate compound, and (C) a polycarbodiimide compound, wherein the (B) aqueous dispersion of a blocked polyisocyanate compound contains a blocked polyisocyanate compound (b1) and at least one anionic surfactant (b2) selected from sulfonates and sulfates.
Inventors:
UZAWA YUJI (JP)
Application Number:
PCT/JP2023/005462
Publication Date:
August 24, 2023
Filing Date:
February 16, 2023
Export Citation:
Assignee:
KANSAI PAINT CO LTD (JP)
International Classes:
B05D1/36; C09D201/08; B05D7/24; C09D5/00; C09D7/63; C09D161/28; C09D133/00; C09D175/04
Domestic Patent References:
| WO2017115804A1 | 2017-07-06 | |||
| WO2013118575A1 | 2013-08-15 |
Foreign References:
| JP2021101007A | 2021-07-08 | |||
| JP2018130673A | 2018-08-23 | |||
| US20210230448A1 | 2021-07-29 | |||
| CN111849326A | 2020-10-30 |
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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