Title:
ADDITIVE FOR ACIDIC ZINC ALLOY PLATING BATH, ACIDIC ZINC ALLOY PLATING BATH AND ZINC ALLOY PLATING FILM
Document Type and Number:
WIPO Patent Application WO/2022/186183
Kind Code:
A1
Abstract:
An additive for acidic zinc alloy plating bath according to the present invention is used for obtaining acidic zinc alloy plating bath that can provide a zinc alloy plating film having satisfactory appearance, and contains active components that are a glycine-containing water-soluble substance and an aliphatic polyamine having 12 or less carbon atoms. The glycine/polyamine ratio which is a ratio of the molar concentration in terms of glycine of the glycine-containing water-soluble substance to the molar concentration of the aliphatic polyamine may be preferably 0.1-40 inclusive. The present invention also provides acidic zinc alloy plating bath comprising the additive and a zinc alloy plating film formed with the acidic zinc alloy plating bath.
Inventors:
NISHIHARA SHOGO (JP)
NIWA TSUKASA (JP)
SUGIURA TOSHIHIRO (JP)
AOKI YASUNORI (JP)
NIWA TSUKASA (JP)
SUGIURA TOSHIHIRO (JP)
AOKI YASUNORI (JP)
Application Number:
PCT/JP2022/008540
Publication Date:
September 09, 2022
Filing Date:
March 01, 2022
Export Citation:
Assignee:
YUKEN IND CO LTD (JP)
International Classes:
C25D3/22; C25D3/56; C25D5/26
Foreign References:
| JPS61163289A | 1986-07-23 | |||
| JPS60116794A | 1985-06-24 | |||
| JP2016065295A | 2016-04-28 | |||
| JPS60114587A | 1985-06-21 | |||
| JPS60106996A | 1985-06-12 | |||
| JPS61204387A | 1986-09-10 | |||
| JPS61204390A | 1986-09-10 | |||
| JPH0874089A | 1996-03-19 | |||
| JP2018523017A | 2018-08-16 |
Attorney, Agent or Firm:
OKUBO, Katsuyuki (JP)
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