| 发明名称 |
METHOD OF OBTAINING ELECTRET PRODUCTS AND FILTERS OF INCREASED RESISTANCE TO OIL MIST |
| 摘要 |
An electret article can be made by quenching a molten blend containing a polymer and a performance-enhancing additive. The resulting low crystallinity material can be annealed and charged to produce a material for making electret filters having superior oily mist loading performance properties. |
| 申请公布号 |
PL339655(A1) |
申请公布日期 |
2001.01.02 |
| 申请号 |
PL19980339655 |
申请日期 |
1998.02.02 |
| 申请人 |
MINNESOTA MINING AND MANUFACTURING CO. |
发明人 |
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| 分类号 |
B01D39/14;B01D39/16;D01F1/10;D01F6/06;D04H1/54;D04H1/56;D04H3/16;D06M10/00 |
主分类号 |
B01D39/14 |
| 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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