ZINC-NICKEL-SILICA COMPOSITE PLATING BATH AND METHOD FOR PLATING USING SAID PLATING BATH

WIPO Patent Application WO/2021/131339

A1

The purpose of the present invention is to provide a zinc-nickel-silica composite plating bath that has been improved in terms of: covering power for articles having a complex shape; and corrosion resistance of a low current density portion where the film thickness is small.　The present invention pertains to a zinc-nickel-silica composite plating bath, the plating bath having a pH of 3.5 to 6.9, and containing zinc ions, nickel ions, colloidal silica, and chloride ions. The colloidal silica is a cationic colloidal silica having on the surface thereon at least one species of metal cation selected from the group consisting of trivalent to heptavalent metal cations.

JPH07100877	[Title of Invention] A method for electrodepositing an amorphous iron-tungsten alloy film
JPS56130477	SURFACE TREATED STEEL PLATE

MIKAMI MASAYOSHI (JP)
INOUE MANABU (JP)

PCT/JP2020/041349

July 01, 2021

November 05, 2020

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DIPSOL CHEM (JP)

C25D3/56; C25D15/02; C25D17/00

JPS6311695A	1988-01-19
JPS6254099A	1987-03-09
JPS61127900A	1986-06-16
JPS54159342A	1979-12-17
JP2007525598A	2007-09-06
JP2007002274A	2007-01-11
JP2014144908A	2014-08-14
JP5505620B2	2014-05-28
JPS63123807A	1988-05-27
JPS5044195A	1975-04-21
JP5141908B2	2013-02-13

JOURNAL OF THE JAPAN INSTITUTE OF METALS, vol. 78, no. 1, 2014, pages 31 - 36
JOURNAL OF THE SURFACE FINISHING SOCIETY OF JAPAN, vol. 57, no. 12, 2006, pages 860 - 865
See also references of EP 4083269A4

TANAKA Shinichiro et al. (JP)

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