Global Patent Index - EP 1626862 A4

EP 1626862 A4 20110112 - SINGLE-WALLED CARBON NANOTUBE-CERAMIC COMPOSITES AND METHODS OF USE

Title (en)

SINGLE-WALLED CARBON NANOTUBE-CERAMIC COMPOSITES AND METHODS OF USE

Title (de)

EINWANDIGE KOHLENSTOFFNANORÖHREN-KERAMIKVERBUNDWERKSTOFFE UND VERWENDUNGSVERFAHREN

Title (fr)

COMPOSITES EN CERAMIQUE A NANOTUBES DE CARBONE A PAROI UNIQUE, ET PROCEDES D'UTILISATION

Publication

EP 1626862 A4 20110112 (EN)

Application

EP 04760415 A 20040428

Priority

  • US 2004012986 W 20040428
  • US 46595703 P 20030428

Abstract (en)

[origin: MXPA05011574A] Composites of single-walled carbon nanotubes (SWNTs) and a ceramic support (e.g., silica) comprising a small amount of catalytic metal, e.g., cobalt and molybdenum, are described. The particle comprising the metal and ceramic support is used as the catalyst for the production of the single-walled carbon nanotubes. The nanotube-ceramic composite thus produced can be used "as prepared" without further purification providing significant cost advantages. The nanotube-ceramic composite has also been shown to have improved properties versus those of purified carbon nanotubes in certain applications such as field emission devices. Use of precipitated and fumed silicas has resulted in nanotube-ceramic composites which may synergistically improve the properties of both the ceramic (e.g., silica) and the single-walled carbon nanotubes. Addition of these composites to polymers may improve their properties. These properties include thermal conductivity, thermal stability (tolerance to degradation), electrical conductivity, modification of crystallization kinetics, strength, elasticity modulus, fracture toughness, and other mechanical properties. Other nanotube-ceramic composites may be produced based on AL2O3, MgO and ZrO2, for example, which are suitable for a large variety of applications.

IPC 8 full level

A47B 23/00 (2006.01); B32B 5/16 (2006.01); C01B 31/00 (2006.01); C01B 31/02 (2006.01); D01F 9/12 (2006.01); H01J 1/02 (2006.01); H01M 4/00 (2006.01)

IPC 8 main group level

C04B (2006.01)

CPC (source: EP)

B82Y 30/00 (2013.01); C01B 32/15 (2017.07); H01J 1/304 (2013.01); H01M 4/8605 (2013.01); H01M 4/8621 (2013.01); H01M 4/8652 (2013.01); H01M 4/9066 (2013.01); H01J 2201/30469 (2013.01); Y02E 60/50 (2013.01)

Citation (search report)

  • [XDYI] US 6333016 B1 20011225 - RESASCO DANIEL E [US], et al
  • [Y] US 6426134 B1 20020730 - LAVIN JOHN GERARD [US], et al
  • [Y] US 2001044251 A1 20011122 - CHO YOUNG-RAE [KR], et al
  • [A] WO 0017102 A1 20000330 - UNIV RICE WILLIAM M [US], et al
  • [Y] MA R Z ET AL: "PROCESSING AND PROPERTIES OF CARBON NANOTUBES-NANO-SIC CERAMIC", JOURNAL OF MATERIALS SCIENCE, SPRINGER NETHERLANDS, NL, vol. 33, no. 21, 1 November 1998 (1998-11-01), pages 5243 - 5246, XP000791899, ISSN: 0022-2461, DOI: 10.1023/A:1004492106337
  • [Y] GENNETT T ET AL: "Fuel Cell Applications of Nanotube-Metal Supported Catalysts", MATERIALS RESEARCH SOCIETY SYMPOSIUM PROCEEDINGS; [MATERIALS RESEARCH SOCIETY SYMPOSIUM PROCEEDINGS], MATERIALS RESEARCH SOCIETY, USA, vol. 756, 1 January 2003 (2003-01-01), pages 1 - 6, XP002522169, ISBN: 978-1-55899-828-5
  • [X] KITIYANAN B ET AL: "Controlled production of single-wall carbon nanotubes by catalytic decomposition of CO on bimetallic Co-Mo catalysts", CHEMICAL PHYSICS LETTERS, NORTH-HOLLAND, AMSTERDAM, NL, vol. 317, no. 3-5, 4 February 2000 (2000-02-04), pages 497 - 503, XP002149234, ISSN: 0009-2614, DOI: 10.1016/S0009-2614(99)01379-2
  • [XA] WILLEMS I ET AL: "CONTROL OF THE OUTER DIAMETER OF THIN CARBON NANOTUBES SYNTHESIZED BY CATALYTIC DECOMPOSITION OF HYDROCARBONS", CHEMICAL PHYSICS LETTERS, NORTH-HOLLAND, AMSTERDAM, NL, vol. 317, no. 1/02, 28 January 2000 (2000-01-28), pages 71 - 76, XP000951419, ISSN: 0009-2614, DOI: 10.1016/S0009-2614(99)01300-7
  • [A] BROTONS V ET AL: "CATALYTIC INFLUENCE OF BIMETALLIC PHASES FOR THE SYNTHESIS OF SINGLE-WALLED CARBON NANOTUBES", JOURNAL OF MOLECULAR CATALYSIS. A, CHEMICAL, ELSEVIER, AMSTERDAM, NL, vol. 116, no. 3, 1 January 1997 (1997-01-01), pages 397 - 403, XP000951417, ISSN: 1381-1169, DOI: 10.1016/S1381-1169(96)00235-X
  • See references of WO 2004096725A2

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

CN 100528547 C 20090819; CN 1819916 A 20060816; EP 1626862 A2 20060222; EP 1626862 A4 20110112; MX PA05011574 A 20060525

DOCDB simple family (application)

CN 200480018267 A 20040428; EP 04760415 A 20040428; MX PA05011574 A 20040428