Title:
AQUEOUS COATING COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2021/084802
Kind Code:
A1
Abstract:
Provided is an aqueous coating composition which has excellent storage stability and whereby high coating film performance in terms of hardness, water resistance, etc., can be exhibited even when the aqueous coating composition is cured at a relatively low temperature. Disclosed is an aqueous coating composition which contains (A) a resin containing hydroxyl groups and carboxyl groups, (B) a blocked polyisocyanate compound, (C) a phosphate-group-containing compound, and (D) a basic compound, and which has a pH in the range of 7.0-8.2, wherein the basic compound (D) contains a specific quantity of (D1) a basic compound which has an acid dissociation constant (PKa) in the range of 7.0-8.5 and a boiling point in the range of 100-200°C.
Inventors:
TOMIZAWA SHIGERU (JP)
Application Number:
PCT/JP2020/026283
Publication Date:
May 06, 2021
Filing Date:
July 03, 2020
Export Citation:
Assignee:
KANSAI PAINT CO LTD (JP)
International Classes:
B05D3/00; B05D3/02; B05D5/06; B05D7/24; C09D5/00; C09D7/63; C09D7/65; C09D201/06; C09D201/08
Domestic Patent References:
| WO2017115804A1 | 2017-07-06 |
Foreign References:
| JP2011256232A | 2011-12-22 | |||
| JP2005225907A | 2005-08-25 |
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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