Effect of acid catalyst on structural transformation and hydrolysis of cellulose in hydrothermal conditions

被引:30
作者
Deguchi, Shigeru [1 ]
Tsujii, Kaoru [2 ]
Horikoshi, Koki [1 ]
机构
[1] Japan Agcy Marine Earth Sci & Technol, Extremobiosphere Res Ctr, Yokosuka, Kanagawa 2370061, Japan
[2] Hokkaido Univ, Nanotechnol Res Ctr, Res Inst Elect Sci, Kita Ku, Sapporo, Hokkaido 0010021, Japan
关键词
D O I
10.1039/b803384f
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The effect of H2SO4 on the crystalline-to-amorphous transformation and hydrolysis of cellulose in water at high temperatures and high pressures was revealed for the first time by using in situ high-resolution optical microscopy.
引用
收藏
页码:623 / 626
页数:4
相关论文
共 34 条
[1]   NONCATALYTIC CONVERSION OF CELLULOSE IN SUPERCRITICAL AND SUBCRITICAL WATER [J].
ADSCHIRI, T ;
HIROSE, S ;
MALALUAN, R ;
ARAI, K .
JOURNAL OF CHEMICAL ENGINEERING OF JAPAN, 1993, 26 (06) :676-680
[2]  
ATWELL WA, 1988, CEREAL FOOD WORLD, V33, P306
[3]   HYDROTHERMAL DEGRADATION OF POLYMERS DERIVED FROM PLANTS [J].
BOBLETER, O .
PROGRESS IN POLYMER SCIENCE, 1994, 19 (05) :797-841
[4]   Flow cell for in situ optical microscopy in water at high temperatures and pressures up to supercritical state [J].
Deguchi, S ;
Tsujii, K .
REVIEW OF SCIENTIFIC INSTRUMENTS, 2002, 73 (11) :3938-3941
[5]  
Deguchi S, 2008, GREEN CHEM, V10, P191, DOI 10.1039/B713655B
[6]   Supercritical water: a fascinating medium for soft matter [J].
Deguchi, Shigeru ;
Tsujii, Kaoru .
SOFT MATTER, 2007, 3 (07) :797-803
[7]   Preparation and characterisation of nanofibrous cellulose plate as a new solid support for microbial culture [J].
Deguchi, Shigeru ;
Tsudome, Mikiko ;
Shen, Yihong ;
Konishi, Satoshi ;
Tsujii, Kaoru ;
Ito, Susumu ;
Horikoshi, Koki .
SOFT MATTER, 2007, 3 (09) :1170-1175
[8]   Cooking cellulose in hot and compressed water [J].
Deguchi, Shigeru ;
Tsujii, Kaoru ;
Horikoshi, Koki .
CHEMICAL COMMUNICATIONS, 2006, (31) :3293-3295
[9]   Viscosity measurements of water at high temperatures and pressures using dynamic light scattering [J].
Deguchi, Shigeru ;
Ghosh, Swapan K. ;
Alargova, Rossitza G. ;
Tsujii, Kaoru .
JOURNAL OF PHYSICAL CHEMISTRY B, 2006, 110 (37) :18358-18362
[10]   A comparative study on chemical conversion of cellulose between the batch-type and flow-type systems in supercritical water [J].
Ehara, K ;
Saka, S .
CELLULOSE, 2002, 9 (3-4) :301-311