NON-CHROMIUM COATING TYPE ANTICORROSIVE FOR FIN MATERIAL, AND FIN MATERIAL

Title:

NON-CHROMIUM COATING TYPE ANTICORROSIVE FOR FIN MATERIAL, AND FIN MATERIAL

Document Type and Number:

Japanese Patent JP2005036254

Kind Code:

A

Abstract:

To provide a non-chromium coating type anticorrosive for aluminum materials which contains neither chromium nor alternative metals for chromium and has anticorrosion property practically equal to that of chromating.

The non-chromium coating type anticorrosion for fin material contains a quaternary copolymer (A) and a heterocyclic organic compound (B). The quaternary copolymer (A) is prepared by neutralizing a base of a quaternary copolymer (a) constituted of glucopyranosil alkyl (meth)acrylate (a1), dialkylaminoethyl (meth)acrylate (a2), hydroxyalkyl (meth)acrylate (a3) and alkyl (meth)acrylate (a4) using the anticorrosive (c). The heterocyclic organic compound (B) is derived from carboxylic acid (b) having 1,3-dioxane rings and has two or more 1,3-dioxane rings.

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Inventors:

MIYAKE HIDEYUKI
MASAGO CHIHIRO
KATSUMATA TSUYOSHI
MIHARA FUMIO

Application Number:

JP2003197898A

Publication Date:

February 10, 2005

Filing Date:

July 16, 2003

Export Citation:

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Assignee:

MITSUBISHI ALUMINIUM

International Classes:

F28F13/18; C09D5/08; C09D7/12; C09D133/00; C23F11/00; F28F19/02; (IPC1-7): C23F11/00; C09D5/08; C09D7/12; C09D133/00; F28F13/18; F28F19/02

Attorney, Agent or Firm:

Masatake Shiga
Takashi Watanabe
Masakazu Aoyama

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