发明名称 |
Electret article having high fluorosaturation ratio |
摘要 |
An electret article that includes a polymeric material that has electric charge imparted thereto, that has a CF<SUB>3</SUB>:CF<SUB>2 </SUB>ratio of at least 0.15 and that has a fluorosaturation ratio greater than about 200. The electret article may be in the form of a porous web of polymeric fibers suitable for use as a filter. The inventive electret article is resistant to charge degradation upon exposure to high temperatures for prolonged time periods.
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申请公布号 |
US2006243138(A1) |
申请公布日期 |
2006.11.02 |
申请号 |
US20050119877 |
申请日期 |
2005.05.02 |
申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
SPARTZ GERALD R.;KIRK SETH M.;JONES MARVIN E.;CABIBIL HYACINTH L.;ROUSSEAU ALAN D.;PACHUTA STEVEN J. |
分类号 |
B03C3/28 |
主分类号 |
B03C3/28 |
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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