发明名称 |
VERFAHREN ZUR RÜCKGEWINNUNG VON TRIMETHYLOLPROPAN-TRIALLYL- ODER -DIALLYL-ETHER |
摘要 |
A method used in a recovery of trimethylolpropane triallyl ether and/or trimethylolpropane diallyl ether from a mixture comprising said triallyl ether and said diallyl ether. The method comprises distilling said mixture at a pressure of less than 12 kPa, such as less than 10 kPa, in a distillation column in the presence of an effective amount of at least one polar or non-polar extractive agent, a so called entrainer. The extractive agent is preferably at least one alcohol, alkanolamine or aliphatic hydrocarbon. |
申请公布号 |
AT245618(T) |
申请公布日期 |
2003.08.15 |
申请号 |
AT19990954565T |
申请日期 |
1999.09.28 |
申请人 |
PERSTORP AB |
发明人 |
MOELLBY, NILS;RASMUSON, AEKE;PAJALIC, OLEG S. |
分类号 |
C07C41/38;C07C41/42;C07C43/15;C07C43/178;(IPC1-7):C07C41/42 |
主分类号 |
C07C41/38 |
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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