| 发明名称 |
Process for separating surfactants from polymer residue in the manufacture of fluoropolymer dispersions. |
| 摘要 |
<p>A process for recovering the ammonium salt of a selected fluoroalkanoic acid and a selected hydrocarbyl oxyethoxylated polyether from an aqueous dross liquor obtained from the concentrated reaction mixture used to make polytetrafluoroethylene.</p> |
| 申请公布号 |
EP0194690(A2) |
申请公布日期 |
1986.09.17 |
| 申请号 |
EP19860103417 |
申请日期 |
1986.03.14 |
| 申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
KOPPENOL, LAMBERTUS HUIBREGT;VAN UNNIK, GERARDUS LEONARDUS HENDRIKUS |
| 分类号 |
C07C53/126;C07C51/00;C07C51/48;C07C67/00;C08F6/14;(IPC1-7):C08F6/14 |
主分类号 |
C07C53/126 |
| 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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