| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide ionic liquid capable of improving capacity of physically absorbing acidic gas. <P>SOLUTION: In the ionic liquid including an ether group and/or an ester group, cations are one or more kinds of cations, which are non-cyclic or cyclic ammonium or non-cyclic or cyclic phosphonium. Anions are one or more kinds of anions, which are amide system anions or carboxylate system anions. The cations include an ether group and/or an ester group. <P>COPYRIGHT: (C)2013,JPO&INPIT |
