| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a new hydrogelling agent and to provide a hydrogel. <P>SOLUTION: The hydrogelling agent includes, as an effective component, an benzamide derivative which is represented by formula (1) and is bonded to an oligomer or polymer derivative of ethylene glycol. The hydrogel includes the benzamide derivative represented by the formula (1) and water. In the formula, X represents OH or NH<SB>2</SB>; k is an integer of 0-4; m is an integer of from 1, preferably 7 to 100; n is an integer of from 1, preferably 2 to 6; and p is an integer of from 9, preferably, 11 to 17. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
