| 发明名称 |
CONTINUOUS PROCESS FOR THE PREPARATION OF POLYTRIMETHYLENE ETHER GLYCOL |
| 摘要 |
The invention is a continuous process for the preparation of polytrimethylene ether glycol from 1,3-propanediol reactant. In addition, the invention is directed to a continuous multi-stage process comprising reacting at least one reactant in a liquid phase in an up-flow column reactor, and forming a gas or vapor phase by-product wherein the gas or vapor phase by-product is continuously removed at the top and at least one intermediate stage. |
| 申请公布号 |
EP1237835(A2) |
申请公布日期 |
2002.09.11 |
| 申请号 |
EP20000986476 |
申请日期 |
2000.12.15 |
| 申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
SUNKARA, HARI B.;MARCHILDON, ERNEST, KEITH;NG, HOWARD, CHUNG-HO;MANZER, LEO E. |
| 分类号 |
B01D3/00;B01J8/04;B01J10/00;B01J19/24;C07C41/09;C07C43/11;C08G65/34 |
主分类号 |
B01D3/00 |
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