| 摘要 |
PROBLEM TO BE SOLVED: To provide a metal nanoparticle the surface area of which is extremely larger in comparison with the volume thereof, which produces big results such as catalysis according to the purposes, the size and shape of which in a colloidal state can be stably controlled and which can be produced at a low cost including a material cost. SOLUTION: The metal nanoparticle is produced by a wet reduction process, by performing such a reduction reaction in which methoxypoly(oxyethylene/oxypropylene)-2-propylamine CH<SB>3</SB>O(OCH<SB>2</SB>CH<SB>2</SB>)<SB>a</SB>[OCH<SB>2</SB>CH(CH<SB>3</SB>)]<SB>b</SB>OCH<SB>2</SB>CH(CH<SB>3</SB>)NH<SB>2</SB>, (here a=18.6 and b=1.6) being primary amine of a block copolymer is used as a dispersant and a liquid mixture of ethylene glycol (hereinafter called EG) and polyethylene glycol (hereinafter called PEG) is used as a solvent-cum-reductant. COPYRIGHT: (C)2011,JPO&INPIT |
