Title:
WATER-BASED COATING COMPOSITION
Document Type and Number:
Japanese Patent JP2003313497
Kind Code:
A
Abstract:
To provide a coating composition which has good curability and forms a coating film excellent in stain resistance, hot-water resistance, alkali resistance, etc.
The water-based coating composition contains (I) an aqueous dispersion obtained by neutralizing hydrolytic condensate of 100 pts.mass (a) organosilane represented by formula (1): R1nSi(OR2)4-n [wherein R1 is a 1-8C organic group; R2 is a 1-5C alkyl group; and n is 1 or 2] and/or condensate of a partial hydrolyzate thereof with 5-200 pts.mass (b) silyl-containing vinyl resin having hydrolyzable silyl groups or OH-bonded-Si-containing silyl groups and having an acid value of 20-150 mgKOH/g with a neutralizing agent and adding water to the neutralized product and (II) colloidal silica.
Inventors:
HATAKEYAMA TADASHI
AOKI RYUICHI
SASAKI HIROJI
OMOTO HIROAKI
AOKI RYUICHI
SASAKI HIROJI
OMOTO HIROAKI
Application Number:
JP2002120771A
Publication Date:
November 06, 2003
Filing Date:
April 23, 2002
Export Citation:
Assignee:
DAINIPPON TORYO KK
International Classes:
C09D183/04; C09D5/00; C09D143/04; (IPC1-7): C09D183/04; C09D5/00; C09D143/04
Attorney, Agent or Firm:
Minoru Nakamura (10 outside)