PRECIOUS-METAL-BASED COLLOIDAL SOLUTION AND METHOD FOR PRODUCING THE SAME
PROBLEM TO BE SOLVED: To provide a precious-metal-based colloidal solution that has precious-metal-based fine particles uniformly dispersed therein which have a small particle size and are uniform, and is superior in storability, and to provide a method for producing the same. SOLUTION: The precious...
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| creator | NAGAO SATOSHI MORIKAWA AKIRA SATO KIMITOSHI HIRATA HIROTO YAMAMURA YOSHIE SUDA AKIHIKO |
| description | PROBLEM TO BE SOLVED: To provide a precious-metal-based colloidal solution that has precious-metal-based fine particles uniformly dispersed therein which have a small particle size and are uniform, and is superior in storability, and to provide a method for producing the same. SOLUTION: The precious-metal-based colloidal solution includes at least one precious-metal-based fine particle selected from the group consisting of a precious-metal fine particle, a precious-metal-alloy fine particle, a precious-metal-compound fine particle and a precious-metal-alloyed compound fine particle, and a polymeric dispersing agent. As for a particle size of the precious-metal-based fine particles, a particle size D50at which the accumulated mass in the particle size distribution reaches 50% is 0.8-5.0 nm, and a particle size D90at which the accumulated mass reaches 90% is 2.5 times of the particle size D50or smaller. COPYRIGHT: (C)2011,JPO&INPIT |
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| subjects | ADHESIVES CASTING CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY DYES MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL POLISHES POWDER METALLURGY THEIR RELEVANT APPARATUS TRANSPORTING WORKING METALLIC POWDER |
| title | PRECIOUS-METAL-BASED COLLOIDAL SOLUTION AND METHOD FOR PRODUCING THE SAME |
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