发明名称 |
Process for preparing polyglycerols |
摘要 |
A process for the preparation of polyglycerols which are low in cyclic components comprises reacting glycerol or diglycerol or a higher polyglycerol with epichlorohydrin at elevated temperatures; adding base corresponding to the organically bound chlorine content of the reaction mixture, at a temperature of 50 DEG -120 DEG C., to the unseparated reaction mixture obtained; desalting the resultant reaction mixture and recovering glycerol, diglycerol and higher polyglycerols by fractional distillation.
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申请公布号 |
US4960953(A) |
申请公布日期 |
1990.10.02 |
申请号 |
US19890328316 |
申请日期 |
1989.03.24 |
申请人 |
DEUTSCHE SOLVAY-WERKE GMBH |
发明人 |
JAKOBSON, GERALD;SIEMANOWSKI, WERNER |
分类号 |
B01J41/04;C07C41/00;C07C41/01;C07C41/02;C07C41/03;C07C41/26;C07C41/42;C07C43/13;C07C67/00;C08G65/28 |
主分类号 |
B01J41/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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