| 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 with an acid-activated sodium or calcium montmorillonite clay.</p> |
| 申请公布号 |
CA1143893(A) |
申请公布日期 |
1983.03.29 |
| 申请号 |
CA19790329377 |
申请日期 |
1979.06.08 |
| 申请人 |
DU PONT (E.I.) DE NEMOURS AND COMPANY |
发明人 |
ROBINSON, IVAN M. |
| 分类号 |
C08G65/20;C08G65/30;(IPC1-7):C08G65/20 |
主分类号 |
C08G65/20 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
