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1. WO2011001677 - NOBLE METAL COLLOIDAL PARTICLES, NOBLE METAL COLLOIDAL SOLUTION, AND CATALYST FOR HYDROGEN PEROXIDE DECOMPOSITION

Publication Number WO/2011/001677
Publication Date 06.01.2011
International Application No. PCT/JP2010/004316
International Filing Date 30.06.2010
IPC
B PERFORMING OPERATIONS; TRANSPORTING
22
CASTING; POWDER METALLURGY
F
WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
9
Making metallic powder or suspensions thereof; Apparatus or devices specially adapted therefor
16
using chemical processes
18
with reduction of metal compounds
24
starting from liquid metal compounds, e.g. solutions
B PERFORMING OPERATIONS; TRANSPORTING
01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
J
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
23
Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/113
38
of noble metals
40
of the platinum group metals
44
Palladium
B PERFORMING OPERATIONS; TRANSPORTING
01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
J
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
35
Catalysts, in general, characterised by their form or physical properties
02
Solids
B PERFORMING OPERATIONS; TRANSPORTING
22
CASTING; POWDER METALLURGY
F
WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
1
Special treatment of metallic powder, e.g. to facilitate working, to improve properties; Metallic powders per se, e.g. mixtures of particles of different composition
02
comprising coating of the powder
C CHEMISTRY; METALLURGY
02
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
F
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
1
Treatment of water, waste water, or sewage
58
by removing specified dissolved compounds
B22F 9/24 (2006.01)
B01J 23/44 (2006.01)
B01J 35/02 (2006.01)
B22F 1/02 (2006.01)
C02F 1/58 (2006.01)
CPC
B01J 23/44
B01J 35/0013
B01J 35/006
B22F 1/0022
B22F 1/025
B22F 9/24
Applicants
  • 日本板硝子株式会社 Nippon Sheet Glass Company, Limited [JP/JP]; 東京都港区三田三丁目5番27号 5-27, Mita 3-chome, Minato-ku, Tokyo 1086321, JP (AllExceptUS)
  • 吉井哲朗 YOSHII, Tetsuro [JP/JP]; JP (UsOnly)
  • 堀口治子 HORIGUCHI, Haruko [JP/JP]; JP (UsOnly)
Inventors
  • 吉井哲朗 YOSHII, Tetsuro; JP
  • 堀口治子 HORIGUCHI, Haruko; JP
Agents
  • 鎌田耕一 KAMADA, Koichi; 大阪府大阪市北区西天満4丁目3番25号梅田プラザビル別館8階 8th Fl., UMEDA PLAZA BLDG. ANNEX, 4-3-25, Nishitenma, Kita-ku, Osaka-shi, Osaka 5300047, JP
Priority Data
2009-15682501.07.2009JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) NOBLE METAL COLLOIDAL PARTICLES, NOBLE METAL COLLOIDAL SOLUTION, AND CATALYST FOR HYDROGEN PEROXIDE DECOMPOSITION
(FR) PARTICULES COLLOÏDALES DE MÉTAL NOBLE, SOLUTION COLLOÏDALE DE MÉTAL NOBLE ET CATALYSEUR POUR LA DÉCOMPOSITION DE PEROXYDE D'HYDROGÈNE
(JA) 貴金属コロイド粒子及び貴金属コロイド溶液、並びに、過酸化水素分解用触媒
Abstract
(EN)
Disclosed are noble metal colloidal particles comprising Pd colloidal particles and Pt supported on the surfaces of the aforementioned Pd colloidal particles. The noble metal colloidal particles are essentially free of protective colloids, the average diameter of the aforementioned Pd colloidal particles is 7-20 nm, and, expressing the quantity of the aforementioned Pt supported on the surface of the aforementioned Pd colloidal particles as the number of atomic layers of Pt atoms, the quantity of the aforementioned Pt is 0.5-2 atomic layers. Also disclosed is a noble metal colloidal solution that can be obtained by dispersing the noble metal colloidal particles in a solvent.
(FR)
L'invention concerne des particules colloïdales de métal noble comprenant des particules colloïdales de Pd et du Pt supporté sur les surfaces desdites particules colloïdales de Pd. Les particules colloïdales de métal noble sont essentiellement exemptes de colloïdes protecteurs, le diamètre moyen desdites particules colloïdales de Pd est de 7 à 20 nm, exprimant la quantité dudit Pt supporté sur la surface desdites particules colloïdales de Pd en tant que nombre de couches atomiques d'atomes de Pt, la quantité dudit Pt est de 0,5 à 2 couches atomiques. L'invention concerne également une solution colloïdale de métal noble qui peut être obtenue par dispersion des particules colloïdales de métal noble dans un solvant.
(JA)
 本発明の貴金属コロイド粒子は、Pdコロイド粒子と、前記Pdコロイド粒子の表面に担持されたPtとを含む貴金属コロイド粒子であって、実質的に保護コロイドを含まず、前記Pdコロイド粒子の平均粒径が7~20nmであり、前記Pdコロイド粒子の表面に担持された前記Ptの量をPt原子の原子層数で示した場合に、前記Ptの量が0.5~2原子層である。本発明の貴金属コロイド溶液は、このような本発明の貴金属コロイド粒子を溶媒に分散させることによって得ることができる。
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