| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a cleaning agent capable of efficiently removing toxic substances contained in various waste materials. <P>SOLUTION: The cleaning agent contains a polymer which has styrene and/or a conjugated diene and acrylonitrile as constituent units and in which at least one ionic group selected from a sulfate group, a carboxyl group, a hydroxyl group, -PO(OH)<SB>2</SB>group, -CH<SB>2</SB>PO(OH)<SB>2</SB>group, -NO<SB>2</SB>group and salts thereof is introduced into the constituent units by 10-70 mol% of the whole constituent units. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
