| 发明名称 |
High heat resistant oil-impregnatable electrical insulating board |
| 摘要 |
A process for making a high heat resistant oil-impregnatable insulating board, having a dielectric constant less than 2.7, made from bleached polytetrafluoroethylene floc and aromatic polyamide fibrids and the resulting insulating board are disclosed.
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| 申请公布号 |
US4886578(A) |
申请公布日期 |
1989.12.12 |
| 申请号 |
US19880238441 |
申请日期 |
1988.08.30 |
| 申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
HENDREN, GARY L.;PROVOST, RICHARD L.;FRIED, KIM L.;TAYLOR, LELAND A. |
| 分类号 |
D21H13/26;D21H27/12;H01B3/30;H01B3/44;H01B3/52;H05K1/03 |
主分类号 |
D21H13/26 |
| 代理机构 |
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代理人 |
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