| 发明名称 |
METHOD FOR REDUCING OLIGOMERIC CYCLIC ETHER CONTENT OF A POLYMERIZATE |
| 摘要 |
<p>The oligomeric cyclic ether content of a tetrahydrofuran/alkylene oxide polymerizate is significantly reduced by bringing the polymerizate into contact at elevated temperatures with an ion exchange resin bearing -SO3H groups.</p> |
| 申请公布号 |
CA1121943(A) |
申请公布日期 |
1982.04.13 |
| 申请号 |
CA19790323441 |
申请日期 |
1979.03.14 |
| 申请人 |
DU PONT (E.I.) DE NEMOURS AND COMPANY |
发明人 |
PRUCKMAYR, GERFRIED;ROBINSON, IVAN M. |
| 分类号 |
C08G18/00;C08G18/48;C08G65/00;C08G65/02;C08G65/20;C08G65/30;(IPC1-7):C08G65/20 |
主分类号 |
C08G18/00 |
| 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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