| 发明名称 |
Depolymerization to cyclic ethers using selected metal compound catalysts |
| 摘要 |
<p>A polyether, in particular a polytetrahydrofuran, is depolymerized to form, in particular, a monomeric tetrahydrofuran, by contacting the polymer with a selected metal compound at a temperature of from 100 DEG C to 250 DEG C.</p> |
| 申请公布号 |
EP1029881(A2) |
申请公布日期 |
2000.08.23 |
| 申请号 |
EP20000201220 |
申请日期 |
1993.10.20 |
| 申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
DRYSDALE, NEVILLE EVERTON;BOCKRATH, RICHARD EDMUND |
| 分类号 |
C07F7/00;C08G65/12;C07D307/06;C07D307/08;C07F17/00;C08G63/42;C08G63/58;C08G63/685;C08G65/02;C08G65/16;C08G65/20;C08G65/26;C08G65/32;C08G65/321;C08G65/323;(IPC1-7):C08G65/10 |
主分类号 |
C07F7/00 |
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