| 发明名称 |
Polymer electrets with improved charge stability. |
| 摘要 |
<p>The invention refers to a polymer electret with improved charge stability which comprises a mixture of a polymer and a suitable Charge Control Agent or a mixture of suitable Charge Control Agents, and a process for the preparation of polymer electrets.</p> |
| 申请公布号 |
EP0623941(A2) |
申请公布日期 |
1994.11.09 |
| 申请号 |
EP19940103367 |
申请日期 |
1994.03.05 |
| 申请人 |
HOECHST CELANESE CORPORATION |
发明人 |
GROH, WERNER;MACHOLDT, HANS-TOBIAS;GIBSON, BAYLOR D.;WALDEN, JAMES R.;FELTON, CLINTON D. |
| 分类号 |
C08K5/00;B01D39/08;B03C3/28;C08J5/18;C08J7/00;C08K5/23;C08K5/375;C08K5/41;C08K5/55;C08L101/00;H01G7/02;(IPC1-7):H01G7/02 |
主分类号 |
C08K5/00 |
| 代理机构 |
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代理人 |
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