EP 2881197 A1 20150610 - Process for preparing anisotropic metal nanoparticles and agent for controlling growth thereof
Title (en)
Process for preparing anisotropic metal nanoparticles and agent for controlling growth thereof
Title (de)
Verfahren zur Herstellung anisotroper Metallnanopartikel und Mittel zur Regelung des Wachstums davon
Title (fr)
Procédé de préparation de nanoparticules métalliques anisotropes et agent destiné à réguler la croissance de celles-ci
Publication
Application
Priority
EP 13382492 A 20131203
Abstract (en)
The present invention relates to a process for preparing anisotropic metal nanoparticles comprising the step of reducing the transition metal cation of a salt to oxidation state zero in the presence of a solvent and a polyalkyleneimine or a copolymer where one of the copolymer units is selected from a polyalkyleneimine, wherein the alkyleneimine to metal cation molar ratio is above 10. It also relates to the anisotropic metal nanoparticles obtained by said process and to the use of the polyalkyleneimine or copolymer thereof for preparing anisotropic metal nanoparticles.
IPC 8 full level
B22F 1/00 (2006.01); B22F 1/054 (2022.01); B22F 9/24 (2006.01)
CPC (source: EP US)
B22F 1/054 (2022.01 - EP US); B22F 1/0547 (2022.01 - EP US); B22F 9/24 (2013.01 - EP US)
Citation (applicant)
- US 2013255444 A1 20131003 - KAWAGUCHI TOMOAKI [JP], et al
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Citation (search report)
- [XYI] JP 2013194290 A 20130930 - DAINIPPON INK & CHEMICALS
- [Y] US 2013061718 A1 20130314 - LOPEZ QUINTELA MANUEL ARTURO [ES], et al
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 2881197 A1 20150610; EP 3077140 A1 20161012; EP 3077140 B1 20210901; WO 2015082530 A1 20150611
DOCDB simple family (application)
EP 13382492 A 20131203; EP 14806275 A 20141203; EP 2014076382 W 20141203