陶瓷微滤膜制备水包油型乳液的研究Preparation of O/W Emulsion with Microfiltration Membrane
骆广生,蒲煜,孙永,汪家鼎
摘要(Abstract):
乳液制备一直是化工领域中一个重要的研究课题,本文选择水-正丁醇实验体系,以十二烷基磺酸钠为乳化剂,分别采用0.2(m和0.8(m的陶瓷膜为分散介质制备水包油型乳液。实验研究了压力、连续相流量等因素对乳液粒径大小、分布和分散相通量的影响。结果表明,用微滤膜可以制得分布均匀的乳状液。微滤膜的孔径较小时,连续相流量和膜两侧压差对于乳液粒径和粒径分布没有明显的影响;当膜孔径增大后,乳液滴的直径分布变宽,且液滴直径增大,分散相通量随压差的增大而明显增大,但连续相流速对分散相通量影响不大。
关键词(KeyWords): 乳状液;微滤膜
基金项目(Foundation): 本课题得到国家自然科学基金的资助!(项目号29976021);
作者(Author): 骆广生,蒲煜,孙永,汪家鼎
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