Process for preparing soap-acyl isethionate compositions
    1.
    发明授权
    Process for preparing soap-acyl isethionate compositions 失效
    皂酰基羟乙基磺酸盐组合物的制备方法

    公开(公告)号:US5041233A

    公开(公告)日:1991-08-20

    申请号:US535244

    申请日:1990-09-08

    摘要: A batch and continuous process is disclosed for the production of a composition comprising alkali metal salts of C.sub.8 -C.sub.22 alkyl fatty monocarboxylic acid and C.sub.8 -C.sub.22 acyl isethionate in a ratio of 20:1 to 1:0.98. Both batch and continuous routes require that the saponifying aqueous caustic solution includes sodium hydroxide and sodium isethionate maintained as a hot solution at a temperature of from 180.degree. F. to about 200.degree. F. For the batch route, the sequence of steps require the caustic solution to be added slowly to the fatty acid. In the continuous process, it is advantageous to introduce fatty acid upstream from the point where the caustic solution stream enters the mixing chamber.

    摘要翻译: 公开了用于制备包含C 8 -C 22烷基脂肪一元羧酸的碱金属盐和C 20 -C 22酰基羟乙基磺酸盐的比例为20:1至1:0.98的组合物的间歇和连续方法。 批次和连续路线都要求皂化的苛性碱水溶液包括氢氧化钠和羟乙基磺酸钠,其温度为180°F至约200°F。对于批次路线,步骤顺序需要苛性碱 溶液缓慢加入到脂肪酸中。 在连续方法中,从苛性碱溶液流进入混合室的点上游引入脂肪酸是有利的。