C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 31/02 (2006.01) B01J 20/20 (2006.01) C01B 3/00 (2006.01)
Patent
CA 2728649
Disclosed is a method for producing a porous carbon material comprising: heating a cured phenolic resin complex lump, including 150 to 450 parts by weight of sodium hydroxide and/or potassium hydroxide per 100 parts by weight of phenolic resin, at a temperature of 420 to 850°C in a non-oxidizing atmosphere to obtain carbonized material; and washing and removing sodium hydroxide and potassium hydroxide included in the carbonized material. According to the present invention, there can be provided a porous carbon material, including large volumes of subnano-pores having a diameter of in a range of 0.45 to 1.0 nm with a sharp distribution, which is particularly useful as a gaseous adsorbent.
Linvention concerne un matériau carboné poreux qui contient des sub-nanopores de 0,45 à 1,0 nm de diamètre en un volume important avec une distribution étroite, et qui est particulièrement utile en tant quadsorbant de gaz. Le procédé de fabrication dun matériau carboné poreux est caractérisé par le chauffage de moulages composites de résine phénolique comprenant 100 parties en poids dune résine phénolique et 150 à 450 parties en poids dhydroxyde de sodium et/ou dhydroxyde de potassium dans une atmosphère non oxydante à une température de 420 à 850 °C pour former un matériau carboné, et le lavage du matériau carboné pour éliminer lhydroxyde de sodium et lhydroxyde de potassium du matériau carboné.
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Smart & Biggar
Tokuyama Corporation
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