| 发明名称 |
ELECTRET ARTICLE HAVING HETEROATOMS AND LOW FLUOROSATURATION RATIO |
| 摘要 |
<p>An electret article that includes a polymeric material that has electric charge imparted thereto, that has one or more heteroatoms, that has a fluorosaturation ratio of less than 200, and that has an atomic percent fluorine of greater than about 40%. The inventive electret article is resistant to charge degradation upon exposure to high temperatures for prolonged time periods.</p> |
| 申请公布号 |
KR20080012862(A) |
申请公布日期 |
2008.02.12 |
| 申请号 |
KR20077025355 |
申请日期 |
2007.11.01 |
| 申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
KIRK SETH M.;SPARTZ GERALD R.;JONES MARVIN E.;PACHUTA STEVEN J.;HUBERTY JOHN S. |
| 分类号 |
B01D39/16;A62B23/02;B03C3/28 |
主分类号 |
B01D39/16 |
| 代理机构 |
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代理人 |
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| 地址 |
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