UMEMURA, Kenji

Division: Research Institute for Sustainable Humanosphere, Assistant Professor
Main Research: Initiative 3 "The Forestry Model of Sustainable Humanosphere"
Project Title: Study on development of wood-based materials using fast grown tree

Research Theme:
 

1. Study on the development of environmentally friendly adhesive
2. Study on the development of new wood-based materials
3. Study on the durability of wood-based materials

References:
 

• Kenji Umemura, Yasuo Iijima, Shuichi Kawai : Development of new natural polymer-based wood adhesives II. Effects of molecular weight and spread rate on bonding properties of chitosan. J. Adhesion Society of Japan, 2005, 41(6), 216-222.
• Kenji Umemura, Shuichi Kawai: Modification of Chitosan by the Maillard Reaction using Cellulose Model Compounds. Carbohydrate Polymers, 2007, 68(2), p.242-248.

2007 G-COE Research Outcome
 

• Walther T, Kartal SN, Hwang WJ, Umemura K, Kawai S: Strength durability of oriented kenaf fiberboard. J. Wood Science, 53(6), 481-485 (2007)

List of Academic Presentations during 2007:
 

• Sasa Sofyan Munawar, Kenji Umemura, Fumio Tanaka, Shuichi Kawai: The Properties of Mild Steam and Chitosan Treated Ramie and Pineapple Plant Fiber Bundles, Proc. CD p. 371, The 2007 IUFRO All Division 5 (Forest Products) Conference, Taipei, 29 October-2 November (2007)
• Sasa Sofyan Munawar, Kenji Umemura, Fumio Tanaka, Shuichi Kawai: The Properties of Chitosan and Mild Steam Treated Pineapple, Ramie and Sansevieria Fiber Bundles, Proc. CD ISSN:1881-4034, The 16th Indonesian Scientific Conference 2007 in Japan, Kyoto, 25 August (2007)
• Sasa Sofyan Munawar, Kenji Umemura, Fumio Tanaka, Shuichi Kawai: The Properties of Chitosan and Mild Steam Treated Pineapple, Ramie and Sansevieria Fiber Bundles, The 16th Indonesian Scientific Conference 2007 in Japan, Kyoto, 25 August (2007)
• Sasa Sofyan Munawar, Kenji Umemura, Fumio Tanaka, Shuichi Kawai: The Properties of Mild Steam and Chitosan Treated Ramie and Pineapple Plant Fiber Bundles, The 2007 IUFRO All Division 5 (Forest Products) Conference, Taipei, 29 October-2 November (2007)

2008 G-COE Research Outcome:

• S S Munawar, K Umemura, S Kawai: Effect of alkali, mild steam and chitosan treatments on the properties of pineapple, ramie and sansevieria fiber bundles. J. Wood Science, 54(1), 28-35 (2008)
• Kenji Umemura, Shuichi Kawai: Preparation and characterization of maillard reacted chitosan films with hemicellulose model compounds. J. Appl. Polym. Sci., 2008, 108(4), 2481-2487.
• Kenji Umemura, Hidefumi Yamauchi, Takeshi Ito, Masaaki Shibata, Shuichi Kawai: Durability of isocyanate resin adhesives for wood V. Changes of color and chemical structure in photo degradation. J. Wood Science, 2008, 54(4), 289-293.
• Sasa Sofyan Munawar，Kenji Umemura, Shuichi Kawai: Manufacture of oriented board using the mild steam treated some plant fiber bundles. J. Wood Science, 2008, 54(5), 369-376.

List of Academic Presentations during 2008:
 

• Kenji Umemura, Hidefumi Yamauchi, Takeshi Ito, Masaaki Shibata, Shuichi Kawai: Effect of UV Irradiation on the Color and Chemical Structure of PMDI Cured with Water, International Symposium on Wood Science and Technology. Harbin, China, September 27-29 (2008).

2009 G-COE Research Outcome:

• Kenji Umemura, Keiji Kaiho, Shuichi Kawai: Characterization of Bagasse-Rind Particleboard Bonded with Chitosan. J. Appl. Polym. Sci. 2009,113(4), 2103-2108.
• Miyuki Matsuo, Misao Yokoyama, Kenji Umemura, Junji Sugiyama, Shuichi Kawai, Joseph Gril, Shigeru Kubodera, Takumi Mitsutani, Hiromasa Ozaki, Minoru Sakamoto, and Mineo Imamura: Color changes in wood during heating: kinetic analysis by applying a time-temperature superposition method, Applied Physics A, 99, 47-52 (2010).

List of Academic Presentations during 2009:

• Sasa Sofyan Munawar, Kenji Umemura, Shuichi Kawai: Development of molded products from bio-based renewable resources, The 27th Wood Technological Association of Japan Conference、Kumamoto、10/8-10（2009）
• Sasa Sofyan Munawar, Shuichi Kawai, Kenji Umemura: Development of molded products made from acacia mangium bark and malic acid、The 60th Japan Wood Research Society Annual Meeting、Miyazaki、3/17-19（2010）
• Rohny S. Maail, Kenji Umemura, Shuichi Kawai: Curing and degradation of cement-bonded particleboard by supercritical CO2 treatment、The 60th Japan Wood Research Society Annual Meeting、Miyazaki、3/17-19（2010）

2010 G-COE Research Outcome:

List of Academic Presentations during 2010:

2011 G-COE Research Outcome:

• Rohny Setiawan Maail, Kenji Umemura, Hideo Aizawa, Shuichi Kawai: Curing and degradation processes of cement-bonded particleboard by supercritical CO2 treatment, J. Wood Sci., 57(4), 2011, 302-307 Rohny Setiawan Maail, Kenji Umemura, Hideo Aizawa and Shuichi Kawai: Effect of moisture content on manufacturing cement-bonded particleboard using supercritical CO2, J Wood Sci. (DOI: 10.1007/s10086-011-1220-z)

List of Academic Presentations during 2011:

• Rohny S. Maail, K. Umemura, H. Aizawa, S. Kawai: Curing and degradation processes of cement-bonded particleboard by supercritical CO2 treatment, 10th Pacific Rim Bio-based Composites Symposium, BIOCOMP 2010, Banff, Canada Rohny Setiawan Maail, Kenji Umemura, Shuichi Kawai: The degradation behavior of wood cement-bonded board, Proc. The Wood Culture and Science Kyoto 2011, Kyoto, Japan