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Study on Supercritical Antisolvent Precipitation of Polyethylene Glycol
Author(s): 
Pages: 596-599
Year: Issue:  6
Journal: JOURNAL OF CHEMICAL ENGINEERING OF CHINESE UNIVERSITIES

Keyword:  超临界反萃取剂微粒沉析聚乙二醇;
Abstract: 经SAS微粒化实验研究,确定了聚乙二醇SAS沉析操作的优化条件:温度为25℃、压力为8MPa,反萃取剂CO2的密度为0.778g(L(1,聚乙二醇/丙酮溶液的浓度为5~15 g(L(1,溶液流量为1~5mL(min(1,过程为连续操作.实验所得聚乙二醇微粒的平均尺寸小于0.1μm,而其尺寸分布为0.033~0.38μm.
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