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Title
Japanese: 
English:sp3-Linked Amorphous Carbon with Sulfonic Acid Groups as a Heterogeneous Acid Catalyst 
Author
Japanese: 菅沼 学史, 中島 清隆, 北野 政明, 林 繁信, 原 亨和.  
English: Satoshi Suganuma, Kiyotaka Nakajima, Masaaki Kitano, Shigenobu Hayashi, Michikazu Hara.  
Language English 
Journal/Book name
Japanese: 
English:ChemSusChem 
Volume, Number, Page Vol. 5        pp. 1841-1846
Published date June 27, 2012 
Publisher
Japanese: 
English:Wiley-VCH Verlag GmbH& Co. 
Conference name
Japanese: 
English: 
Conference site
Japanese: 
English: 
DOI https://doi.org/10.1002/cssc.201200010
Abstract SO3H-bearing amorphous carbon prepared from polyvinyl chloride (PVC) is studied as a heterogeneous Brønsted acid catalyst. Sulfonation of partially carbonized PVC produces amorphous carbon consisting of small SO3H-bearing carbon sheets linked by sp3-based aliphatic hydrocarbons. This carbon material exhibits much higher catalytic performance in the hydrolysis of cellobiose than conventional heterogeneous Brønsted acid catalysts with SO3H groups, including SO3H-bearing amorphous carbon derived from cellulose. This can be attributed to a high density of SO3H groups and the fast diffusion of reactants and products enabled by a flexible carbon network.

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