| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To obtain a perbasic cleaner which is excellent in cleaning capability and heat stability as compared with conventional highly perbasic sulfonates. <P>SOLUTION: This perbasic cleaner is prepared by reacting a surfactant composition comprising an alkali metal alkylaromatic sulfonate and an alkylhydroxybenzoic acid in each of which the alkyl group is specified, or alkaline earth metal salts thereof, a sulfided or non-sulfided alkylphenol, or an alkali metal or alkaline earth metal salt thereof with an alkaline earth metal salt and an acidic auxiliary reagent. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
