Compositions: coating or plastic – Coating or plastic compositions – Metal-depositing composition or substrate-sensitizing...
Patent
1997-05-06
1999-02-02
Gorgos, Kathryn L.
Compositions: coating or plastic
Coating or plastic compositions
Metal-depositing composition or substrate-sensitizing...
427306, C23C 1854
Patent
active
058658815
ABSTRACT:
The present invention relates to a plating bath of the hydrazine type for electroless plating on the surface of a plated substance with iridium. The first plating bath is an electroless plating bath of iridium which contains a hydrazine complex of iridium and has pH of 1-7. The second plating bath is an electroless plating bath of iridium which contains hydrazine hydrate and/or hydrazinium salt, and iridium halide and/or halogenoiridate in the molar ratio of 1-1.0 and has pH of lower than 3. The plating bath of this invention is used, for example, for producing of a junction of a cation exchange membrane and iridium, which is used for a water electrolytic cell of the macromolecule solid electrolyte type.
Maezawa Shoji
Mori Hiroaki
Oguro Keisuke
Torikai Eiichi
Agency of Industrial Science and Technology
Gorgos Kathryn L.
Mayekar Kishor
Research Institute of Innovative Technology
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