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Title:
WATER-BASED COLOR COATING MATERIAL, AQUEOUS DISPERSION OF HYDROPHOBIC MELAMINE RESIN AND PROCESS FOR PRODUCING THE SAME, WATER-BASED COATING COMPOSITION, AND METHOD OF FORMING MULTILAYERED FILM
Document Type and Number:
WIPO Patent Application WO/2006/054611
Kind Code:
A1
Abstract:
A process for producing an aqueous hydrophobic-melamine-resin dispersion which has excellent storage stability and can give a coating film excellent in adhesion and surface smoothness; and a water-based color coating material capable of giving a coating film excellent in coloration, adhesion in re-coating, chipping resistance, and wet adhesion. The water-based color coating material comprises a film-forming resin, a hardener, and a pigment, wherein the film-forming resin comprises an acrylic resin emulsion produced by emulsion polymerization having an acid value of 1-30 mg-KOH/g and a hydroxy value of 10-150 and the hardener comprises an aqueous dispersion of a hydrophobic melamine resin having a particle diameter of 20-140 nm.

Inventors:
HAYASHI KOUKI (JP)
YAMADA SHINYA (JP)
OHARA KOUICHI (JP)
YONEDA HIROTO (JP)
ASAI TOMOHITO (JP)
FURUTA SHINYA (JP)
ANDO HIROKI (JP)
Application Number:
PCT/JP2005/021056
Publication Date:
May 26, 2006
Filing Date:
November 16, 2005
Export Citation:
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Assignee:
NIPPON PAINT CO LTD (JP)
HAYASHI KOUKI (JP)
YAMADA SHINYA (JP)
OHARA KOUICHI (JP)
YONEDA HIROTO (JP)
ASAI TOMOHITO (JP)
FURUTA SHINYA (JP)
ANDO HIROKI (JP)
International Classes:
C09D133/00; B05D1/36; B05D7/24; C08L33/00; C08L61/28; C09D161/28
Domestic Patent References:
WO1996033814A11996-10-31
Foreign References:
JPH02255871A1990-10-16
JPH0741729A1995-02-10
JPS63193968A1988-08-11
JPH0368478A1991-03-25
JPH0292974A1990-04-03
JPH0724412A1995-01-27
JP2004000870A2004-01-08
JP2004298836A2004-10-28
JPH08209059A1996-08-13
JP2000124791A2000-04-28
JP2003286434A2003-10-10
Attorney, Agent or Firm:
Yasutomi, Yasuo (4-20 Nishinakajima 5-chome, Yodogawa-ku, Osaka-sh, Osaka 11, JP)
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