| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a solvent composition having an excellent cleaning effect on objects to be cleaned, to which oil adhered. <P>SOLUTION: The solvent composition for cleaning objects to be cleaned, to which oil adhered, contains (b) one or more hydrofluoroether compounds represented by the general formula (1): R<SP POS="POST">1</SP>-O-R<SP POS="POST">2</SP>(wherein R<SP POS="POST">1</SP>is a 3-6C alkyl group replaced by at least one F atom; and R<SP POS="POST">2</SP>is a 1-4C alkyl group, or a 3-6C alkyl group substituted by at least one F atom) in an amount of 40-450 pts.wt. based on 100 pts.wt. of (a) 1,1,1,3,3-pentafluorobutane. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
