SURFACE-TREATED MATERIAL HAVING SUPERIOR ADHESION TO COATING FILM AND SUPERIOR CORROSION RESISTANCE AFTER COATING

PURPOSE:To produce a surface-treated material having superior adhesion to a coating film and superior corrosion resistance after coating by forming a Zn-based plating layer contg. a specified amt. (expressed in terms of C) of a (meth)acrylic polymer having a specified compsn. and a specified amt. of...

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Bibliographische Detailangaben
Hauptverfasser:	IKEDA TSUGUMOTO, YAMAMURA NAGISA, SATO HIROSHI, HISAMOTO ATSUSHI
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES APPARATUS THEREFOR CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES ELECTROFORMING ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FILLING PASTES INKS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	PURPOSE:To produce a surface-treated material having superior adhesion to a coating film and superior corrosion resistance after coating by forming a Zn-based plating layer contg. a specified amt. (expressed in terms of C) of a (meth)acrylic polymer having a specified compsn. and a specified amt. of Zn on the surface of a base material. CONSTITUTION:A Zn-based plating layer consisting of 0.001-10wt.% (expressed in terms of C) (meth)acrylic polymer and the balance Zn or Zn alloy is formed on the surface of a base material to obtain a surface-treated material. The (meth)acrylic polymer contains units of a (meth)acrylic ester monomer having a group obtd. by adding a compd. having an epoxy group to a functional group represented by the formula by >=5mol% of all the repeating units. In the formula, A is CnH2n, typified by methylene, (n) is 0 or a positive integer and each of R1 and R2 is H or alkyl typified by methyl.