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Title:
RUST PREVENTIVE COATING COMPOSITION, RUST PREVENTIVE FILM, AND ARTICLE, AND ZINC-BASED COMPOSITE PARTICLES AND COMPOSITION CONTAINING ZINC-BASED COMPOSITE PARTICLES
Document Type and Number:
WIPO Patent Application WO/2022/118539
Kind Code:
A1
Abstract:
Provided are a rust preventive pigment capable of achieving both high stability in water or an aqueous medium, and excellent rust preventive capability and adhesion of an obtained rust preventive film, and a rust preventive coating composition with which a rust preventive film can be obtained that excels in stability of a rust preventive pigment and that excels in rust preventive capability and adhesion. The rust preventive coating composition of the present invention contains a rust preventive pigment comprising one or more among particles of zinc or a zinc alloy that has had at least a portion of the surface thereof treated with phosphoric acid.

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Inventors:
OHTANI TAKAHIKO (JP)
TAMAKI SATORU (JP)
KURAMOTO TOMOKO (JP)
NAKAO TAKAYUKI (JP)
TAMAURA YUKI (JP)
Application Number:
PCT/JP2021/037790
Publication Date:
June 09, 2022
Filing Date:
October 12, 2021
Export Citation:
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Assignee:
NOF METAL COATINGS ASIA PACIFIC CO LTD (JP)
TOYO ALUMINIUM KK (JP)
International Classes:
C09C1/04; C09C3/06; C09D5/10; C09D7/62; C09D183/02; C09D201/00; C23C26/00
Foreign References:
JP2010121048A2010-06-03
JPH03285964A1991-12-17
JPH01159302A1989-06-22
JP2006143809A2006-06-08
JP2013014701A2013-01-24
JPH0873778A1996-03-19
JPH069897A1994-01-18
JP2018070999A2018-05-10
JP2007534794A2007-11-29
JP2008280538A2008-11-20
JP2005238001A2005-09-08
JP2020200323A2020-12-17
Attorney, Agent or Firm:
SAKAMOTO & PARTNERS (JP)
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