Research Project
Grant-in-Aid for Young Scientists (B)
Highly robust ion gel membranes composed of a specific double-network structure and a large amount of a CO2 reactive ionic liquid were fabricated. The ion gel membrane with suitable network composition and cross-linking degree showed high mechanical strength of more than 25 MPa of compressive fracture stress and 1 MPa of tensile fracture stress. The developed ion gel membrane maintained its high CO2 separation performance under 500 kPa of trans-membrane pressure condition.Toughening of the ion gel membrane allowed to decrease of the membrane thickness up to 58 micron and to increase of the ionic liquid content. The ion gel membrane containing 80 wt% of ionic liquid had high solute diffusivity in the gel membrane and demonstrated more than 10000 barrer of CO2 permeability and 150 of CO2/N2 selectivity at 373 K for the CO2/N2 mixture with 10 kPa of CO2 partial pressure.
All 2017 2016 2015 Other
All Journal Article (4 results) (of which Peer Reviewed: 4 results, Acknowledgement Compliant: 2 results) Presentation (6 results) (of which Int'l Joint Research: 2 results) Remarks (1 results)
Separation Science and Technology
Volume: 52 Issue: 2 Pages: 197-208
10.1080/01496395.2016.1245330
Journal of Membrane Science
Volume: 525 Pages: 290-297
10.1016/j.memsci.2016.12.002
Volume: 530 Pages: 166-175
10.1016/j.memsci.2017.02.032
Chemical Communications
Volume: 51 Issue: 71 Pages: 13658-13661
10.1039/c5cc04841a
http://www2.kobe-u.ac.jp/~matuyama/cx14HP/research-summary-gas-sep-I.html