发明名称 |
POLYMERIZATION OF, AND DEPOLYMERIZATION TO, CYCLIC ETHERS USING SELECTED METAL COMPOUND CATALYSTS. |
摘要 |
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. |
申请公布号 |
EP0665859(A1) |
申请公布日期 |
1995.08.09 |
申请号 |
EP19930924316 |
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 |
C08G65/12;C07D307/06;C07D307/08;C07F7/00;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 |
C08G65/12 |
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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