| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an alkali detergent composition for a glass substrate for a hard disk having higher detergency, and to provide a method for producing a glass substrate for a hard disk by using the same. <P>SOLUTION: The alkali detergent composition for a glass substrate for a hard disk includes: an alkali agent (component A); a chelating agent (component B); an amphoteric polymer compound (component C) containing a structural unit (c1) comprising at least one of an ammonium group and an amino group, and a structural unit (c2) comprising an anionic group; and water (component D), wherein: the content of the component A is 10-55 wt.%, the content of the component B is 5-60 wt.%, and the content of the component C is 5-60 wt.%, provided that the total content of components other than the component D is 100 wt.%; and the total content of the component A, component B and component C is 30-100 wt.%. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
