Kanazawa University, Kanazawa 920-1192, Japan
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Kenji Takahashi received his PhD in 1994 from Hokkaido University. As a researcher belonging to the Ministry of Education, Culture, Sports, Science, and Technology in Japan, he joined the Radiation Chemistry Group of Dr Charles Jonah at Argonne National Laboratory in USA, where he worked from 1995. K. Takahashi worked on time-resolved spectroscopy of fast chemical reactions, including inter-molecular electron transfer, in supercritical CO2 and water using high energy electron pulse. He was then appointed Associate Professor at Kanazawa University and Professor. His research group is currently working on the use of ionic liquids in reaction and material engineering for biomass refineries.
He is now a Project Leader of COI-NEXT ( 320 million yen per year/center for 10 years ) supported by JST & MEXT. The concept of COI-NEXT is that the formation of industry-academia-government co-creation centers built on the individuality and strengths of universities will be promoted, and as well as contributing to national growth, transformation towards a knowledge-intensive society led by universities will be encouraged. In the COI-NEXT project, he is focusing the following vision and targets.
Vision: Regenerative Sugar-Sphere
Targets:
· Target 1: Sustainable agriculture
· Target 2: Building a technological foundation to create sustainable materials that generate no waste through a circular design
· Target 3: Social implementation of products that can prevent marine pollution caused by plastics
To achieve these targets, we use the following technology: the DNA polyploidization (Improvement of plant production by inducing DNA polyploidization) and the nitrogen fixation (produce crops that are not dependent on fertilizer), by the redesigning cellulosic resin and the composite material made of cellulosic resins or natural polysaccharides, Data driven design of cellulose ester.
In the presentation, I will introduce our project that is, co-creation Platform for Circular Economical System Supported by Completely Recyclable Plant-derived Polysaccharide Plastics[1-4]. I want emphasize the importance of data driven science and engineering, namely machine learning technique to design cellulose ester and ionic liquids because the data driven approaches will significantly reduce the research time. I will introduce a design of ionic liquids using machine learning methods.
I also will show our original technique of synesis of cellulose ester from agricultural waist such as bagasse, beet pulp, banana pulp and grape skin using ionic liquids as a solvent and catalyst, and also we used twin screw extruder as a contentious reactor.. The synthesized products are transformed into films and then mechanical properties were measured.
We also examined biodegradability, not only soil biodegradability but also marine biodegradability of our cellulose based products.
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