| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To prepare a washing liquid that has an excellent physical solubility to an acid gas and exerts a sufficient chemical solubility in an aqueous condition. <P>SOLUTION: A substance containing a component represented by formula 1 is used as an absorption liquid. In formula 1, R<SB>1</SB>and R<SB>2</SB>are each H, an alkyl group, an aromatic group or a group represented by formula 2, (R<SB>3</SB>is an alkyl group or an aromatic group, R<SB>4</SB>is H or CH<SB>3</SB>, R<SB>5</SB>is H or CH<SB>3</SB>, (x) is a number of 0 to 3, (y) is a number of 0 to 3, and (z) is an integer of 1 to 30). <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
