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1. (WO2018122935) MEMBER FOR SLIDE FASTENERS OR BUTTONS, WHICH IS FORMED FROM PLATED ALUMINUM OR ALUMINUM ALLOY

Pub. No.:    WO/2018/122935    International Application No.:    PCT/JP2016/088769
Publication Date: Fri Jul 06 01:59:59 CEST 2018 International Filing Date: Tue Dec 27 00:59:59 CET 2016
IPC: A44B 19/00
A44B 1/04
C25D 7/02
Applicants: YKK CORPORATION
YKK株式会社
Inventors: TAKAMOTO,Aya
▲高▼本 彩
SUGIMOTO,Yasuhiko
杉本 保彦
Title: MEMBER FOR SLIDE FASTENERS OR BUTTONS, WHICH IS FORMED FROM PLATED ALUMINUM OR ALUMINUM ALLOY
Abstract:
Provided is a member for slide fasteners or buttons, which is formed from a plated aluminum or aluminum alloy, and which has both cracking resistance and gloss at the same time. A member for slide fasteners or buttons, which comprises: a base material (101) that is formed from aluminum or an aluminum alloy; a zinc diffusion layer (102) that is obtained by diffusing zinc inside the surface of the base material; and a plurality of plating layers that cover the zinc diffusion layer (102). The plurality of plating layers comprise a copper pyrophosphate plating layer (103) and a copper sulfate plating layer (104) sequentially from the inner side.