Title:
PREPARATION OF FUNCTIONALISED CARBON NANOMATERIALS
Document Type and Number:
WIPO Patent Application WO/2015/071441
Kind Code:
A3
Abstract:
The invention provides for a method of preparing a covalently functionalised carbon nanomaterial, comprising the steps of (i) treating a carbon material with a reducing agent comprising an alkali metal M in the presence of a solvent S to form a reduced-carbon material solution; and (ii) treating the resulting reduced-carbon material solution with a functionalising reagent to form a covalently functionalised carbon nanomaterial, wherein (a) the concentration of alkali metal [M] in step (i) is between 0.003 mol/L and 0.05 mol/L, and (b) the ratio of carbon material to alkali metal (C/M) in solution in step (i) is at least 2:1. A method of preparing a covalently functionalised carbon nanomaterial using N,N-dimethylacetamide as a solvent is also provided.
Inventors:
SHAFFER MILO SEBASTIAN PETER (GB)
MORISHITA TAKUYA (GB)
CLANCY ADAM JUSTIN (GB)
MORISHITA TAKUYA (GB)
CLANCY ADAM JUSTIN (GB)
Application Number:
PCT/EP2014/074686
Publication Date:
July 23, 2015
Filing Date:
November 14, 2014
Export Citation:
Assignee:
IMP INNOVATIONS LTD (GB)
International Classes:
C01B31/02; B82Y40/00; C01B31/04; C09C1/46
Domestic Patent References:
| WO2011057985A1 | 2011-05-19 | |||
| WO2012156442A1 | 2012-11-22 | |||
| WO2008104079A1 | 2008-09-04 |
Foreign References:
| US20070189954A1 | 2007-08-16 | |||
| US20110130494A1 | 2011-06-02 |
Other References:
JAN M. ENGLERT ET AL: "Covalent bulk functionalization of graphene : Nature Chemistry : Nature Publishing Group", 20 March 2011 (2011-03-20), pages 1 - 19, XP055170727, Retrieved from the Internet [retrieved on 20150219], DOI: 10.1038/nchem.1010
JAN M. ENGLERT ET AL: "Functionalization of graphene by electrophilic alkylation of reduced graphite", CHEMICAL COMMUNICATIONS, vol. 48, no. 41, 2 April 2012 (2012-04-02), pages 5025, XP055169759, ISSN: 1359-7345, DOI: 10.1039/c2cc31181j
CHAKRABORTY S ET AL: "Functionalization of potassium graphite", ANGEWANDTE CHEMIE INTERNATIONAL EDITION, WILEY - V C H VERLAG GMBH & CO. KGAA, DE, vol. 46, 3 March 2007 (2007-03-03), pages 4486 - 4488, XP002481416, ISSN: 1433-7851, DOI: 10.1002/ANIE.200605175
CHATTOPADHYAY J ET AL: "Exfoliated soluble graphite", CARBON, ELSEVIER, OXFORD, GB, vol. 47, no. 13, 2 July 2009 (2009-07-02), pages 2945 - 2949, XP026497532, ISSN: 0008-6223, [retrieved on 20090702], DOI: 10.1016/J.CARBON.2009.06.053
FENG LIANG ET AL: "A convenient route to functionalized carbon nanotubes", NANO LETTERS, AMERICAN CHEMICAL SOCIETY, US, vol. 4, no. 7, 3 June 2004 (2004-06-03), pages 1257 - 1260, XP008140739, ISSN: 1530-6984, DOI: 10.1021/NL049428C
JAN M. ENGLERT ET AL: "Functionalization of graphene by electrophilic alkylation of reduced graphite", CHEMICAL COMMUNICATIONS, vol. 48, no. 41, 2 April 2012 (2012-04-02), pages 5025, XP055169759, ISSN: 1359-7345, DOI: 10.1039/c2cc31181j
CHAKRABORTY S ET AL: "Functionalization of potassium graphite", ANGEWANDTE CHEMIE INTERNATIONAL EDITION, WILEY - V C H VERLAG GMBH & CO. KGAA, DE, vol. 46, 3 March 2007 (2007-03-03), pages 4486 - 4488, XP002481416, ISSN: 1433-7851, DOI: 10.1002/ANIE.200605175
CHATTOPADHYAY J ET AL: "Exfoliated soluble graphite", CARBON, ELSEVIER, OXFORD, GB, vol. 47, no. 13, 2 July 2009 (2009-07-02), pages 2945 - 2949, XP026497532, ISSN: 0008-6223, [retrieved on 20090702], DOI: 10.1016/J.CARBON.2009.06.053
FENG LIANG ET AL: "A convenient route to functionalized carbon nanotubes", NANO LETTERS, AMERICAN CHEMICAL SOCIETY, US, vol. 4, no. 7, 3 June 2004 (2004-06-03), pages 1257 - 1260, XP008140739, ISSN: 1530-6984, DOI: 10.1021/NL049428C
Attorney, Agent or Firm:
HARRIS, Jennifer Lucy (20 Red Lion Street, London Greater London WC1R 4PJ, GB)
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