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Title:
クロムフリー塗料組成物及びこれを塗装して得られる塗膜
Document Type and Number:
Japanese Patent JP5490086
Kind Code:
B2
Abstract:
To provide a chromium-free paint composition which can provide paint films which are excellent in terms of corrosion resistance on the edge surfaces, scratched surfaces and worked parts of a pre-coated steel sheet, and the paint films which can be obtained by coating this chromium-free paint composition. A chromium-free paint composition which includes paint film-forming resin (A), anti-rust pigment (B), comprising at least one type of amorphous MgO—V2O5-based compound, and crosslinking agent (C) which is characterized in that the mass content proportion of the aforementioned anti-rust pigment (B) is from 10 to 80 mass % with respect to the sum of the resin solid fraction mass of the aforementioned paint film-forming resin (A) and the aforementioned crosslinking agent (C), and the overall eluted ion content in a 10% aqueous solution of the aforementioned anti-rust pigment (B) is from 10 ppm to 100 ppm.

Inventors:
Takahiro Tsujida
Nobuhiro Nishida
Yoshiuchi Takeuchi
Katsuhiko Osawa
Application Number:
JP2011282396A
Publication Date:
May 14, 2014
Filing Date:
December 22, 2011
Export Citation:
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Assignee:
basf Japan Co., Ltd.
International Classes:
C09D201/00; C09C1/02; C09D5/08; C09D7/12; C23C22/02
Domestic Patent References:
JP1131281A
JP2008291160A
JP2013067699A
JP8060387A
JP2009078450A
JP2010053404A
JP2012012497A
Attorney, Agent or Firm:
Shingo Origuchi