| 摘要 |
PURPOSE:To provide the title fiber good in resistance to washing, dry cleaning and moist heat, containing a specified amount of dehydroacetic acid, with the extraction rate with an alcohol-benzene mixture not higher than a specified value. CONSTITUTION:The objective fiber containing 0.05-3 (pref. 0.1-2)wt.% of dehydroacetic acid with the 60min-extraction rate by immersion with an alcohol- benzene mixture accounting for <=40 (pref. <=30)wt.% of the dehydroacetic acid content. |
