| 摘要 |
PROBLEM TO BE SOLVED: To obtain an oil for polyurethane elastic yarn that is excellent in stability with the lapse of time by formulating a diorganopolysiloxane and/or a mineral oil and a specific sulfosuccinic acid or sulfosuccinate salt. SOLUTION: The objective oil for polyurethane elastic yarn is prepared by formulating 50-99.9 wt.%, preferably 70-99.9 wt.% of diorgano-polysiloxane and/or mineral oil and 0.01-10 wt.% of a sulfo-succinic acid represented by the formula [R<1> and R<2> are each a 1-30C alkyl, a 2-30C alkenyl or H; M is H, an alkali metal or an alkaline earth metal or amine cation] or its salt. |
