Title:
STAIN-PROOF COATING COMPOSITION, STAIN-PROOF COATING FILM, AND METHOD FOR PREVENTION OF STAINING OF BASE MATERIAL
Document Type and Number:
WIPO Patent Application WO/2011/162359
Kind Code:
A1
Abstract:
Disclosed is a stain-proof coating composition which does not contain copper or any copper compound (e.g., cuprous oxide) and therefore enables the production of a stain-proof coating film that does not undergo discoloration or cracking caused by ultraviolet ray or moisture, can have a low VOC and long-term anti-stain properties at high levels simultaneously, and has excellent mechanical strength.
Specifically disclosed is a two-part hydrolysable stain-proof coating composition which comprises two liquids, i.e., a first component comprising a polyester resin and a paste-like second component containing zinc oxide, wherein the solid content in the polyester resin has an acid value and a hydroxy value of 50-200 mgKOH/g and 100 mgKOH/g, respectively, the polyester resin has a viscosity of 500 mPa·s or less at 25˚C, and wherein the coating composition is characterized in that the content of a volatile organic compound is 400 g/L or less relative to the total amount of the first and second components, and copper or any copper compound is not contained.
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Inventors:
NIIMOTO, Jyunji (1-7, Meijishinkai, Otake-sh, Hiroshima 52, 〒7390652, JP)
仁井本 順治 (〒52 広島県大竹市明治新開１番７ 中国塗料株式会社内 Hiroshima, 〒7390652, JP)
SEKI, Yasuyuki (1-7, Meijishinkai, Otake-sh, Hiroshima 52, 〒7390652, JP)
仁井本 順治 (〒52 広島県大竹市明治新開１番７ 中国塗料株式会社内 Hiroshima, 〒7390652, JP)
SEKI, Yasuyuki (1-7, Meijishinkai, Otake-sh, Hiroshima 52, 〒7390652, JP)
Application Number:
JP2011/064466
Publication Date:
December 29, 2011
Filing Date:
June 23, 2011
Export Citation:
Assignee:
CHUGOKU MARINE PAINTS, LTD. (1-7 Meijishinkai, Otake-shi Hiroshima, 52, 〒7390652, JP)
中国塗料株式会社 (〒52 広島県大竹市明治新開１番７ Hiroshima, 〒7390652, JP)
NIIMOTO, Jyunji (1-7, Meijishinkai, Otake-sh, Hiroshima 52, 〒7390652, JP)
仁井本 順治 (〒52 広島県大竹市明治新開１番７ 中国塗料株式会社内 Hiroshima, 〒7390652, JP)
中国塗料株式会社 (〒52 広島県大竹市明治新開１番７ Hiroshima, 〒7390652, JP)
NIIMOTO, Jyunji (1-7, Meijishinkai, Otake-sh, Hiroshima 52, 〒7390652, JP)
仁井本 順治 (〒52 広島県大竹市明治新開１番７ 中国塗料株式会社内 Hiroshima, 〒7390652, JP)
International Classes:
C09D167/00; A01N25/10; A01N55/02; A01P17/00; B05D5/00; B63B59/04; C09D5/16; C09D7/12; C09D133/04; C09D157/02; C09D161/02; C09D193/04
Attorney, Agent or Firm:
SSINPAT PATENT FIRM (Gotanda Yamazaki Bldg. 6F, 13-6 Nishigotanda 7-chome, Shinagawa-k, Tokyo 31, 〒1410031, JP)
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Claims:
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