| 发明名称 |
Process for the preparation of modified polytetrafluoroethylene and its use |
| 摘要 |
If the employment of polymerization auxiliaries in ammonium form is avoided in the preparation of a polytetrafluoroethylene having a content of 0.02 to 1% by weight of units of a perfluoro-(alkyl vinyl) ether by the suspension process, a polymer which does not tend to discoloration on heating is obtained.
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| 申请公布号 |
US5589558(A) |
申请公布日期 |
1996.12.31 |
| 申请号 |
US19950473261 |
申请日期 |
1995.06.07 |
| 申请人 |
HOECHST AKTIENGESELLSCHAFT |
发明人 |
FELIX, BERND;HINTZER, KLAUS;LOEHR, GERNOT;SCHOETTLE, THOMAS |
| 分类号 |
C08F2/18;C08F2/22;C08F4/06;C08F4/08;C08F4/30;C08F214/26;(IPC1-7):C08F16/24 |
主分类号 |
C08F2/18 |
| 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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