| 摘要 |
41 ABSTRACR CLEMING CCMPOSITICN 5 'NE PRESENT INVENTION RELATES TO A CLEANING AGENT COMPOSITION FOR USE IN CLEANING A SUBSTRATE FOR RECORDING MEDIA, A SUBSTRATE FOR PHOTOMASK, OR A SUBSTRATE FOR FLAT PANEL DISPLAY, A SURFACE OF WHICH AT LEAST CONTAINS A METALLIC OR GLASSY SUBSTRATE MOIETY, THE CLEANING AGENT COMPOSITION CONTAINING (1) A COPOLYMER COMPOUND SATISFYING AT LEAST THE FOLLOWING (I) TO (III): (I) A 10 CONSTITUTING UNIT AL DERIVED FROM ACRYLIC ACID IS CONTAINED IN AN AMOUNT OF 20BY MOL OR MORE OF THE ENTIRE CONSTITUTING UNITS; (II) THE CONSTITUTING UNIT AL DERIVED FROM ACRYLIC ACID AND A CONSTITUTING A2 DERIVED FROM 2-ACRYLAMIDE-2- METHYLPROPANESULFONIC ACID ARE CONTAINED IN A TOTAL AMOUNT OF 90BY MOL OR MORE OF THE ENTIRE CONSTITUTING UNITS; AND (FIJ) THE CONSTITUTING UNIT AL AND THE 5 CONSTITUTING UNIT A2 OF THE ENTIRE CONSTITUTING UNITS ARE IN A CONTENT RATIO [CONSTITUTING UNIT AL (BY MOL)/CONSTITUTING UNIT A2 (BY MOL)] OF FROM 91/9 TO 95/5.
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