| 发明名称 |
PROCESS FOR PRODUCING AQUEOUS DISPERSION CONTAINING POLYTETRAFLUOROETHYLENE |
| 摘要 |
<p>An aqueous dispersion of a polytetrafluoroethylene (PTFE) is produced by using e.g. C9F19COONH4 as a surfactant. A PTFE fine powder obtained by coagulating this aqueous dispersion, is subjected to paste extrusion and stretched at a temperature of at least 250 DEG C to obtain the porous article.</p> |
| 申请公布号 |
EP1065223(A1) |
申请公布日期 |
2001.01.03 |
| 申请号 |
EP19990906513 |
申请日期 |
1999.02.26 |
| 申请人 |
ASAHI GLASS COMPANY LTD. |
发明人 |
KAMIYA, HIROKI;KASHIWAGI, KIMIAKI |
| 分类号 |
C08J3/03;B01D71/36;B29C47/00;B29C67/20;B29K27/18;B29K105/04;C08F2/24;C08F2/26;C08F14/26;C08F114/00;C08F114/26;C08J3/12;C08J3/16;C08J9/00;(IPC1-7):C08F14/26 |
主分类号 |
C08J3/03 |
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