发明名称 |
A process for obtaining non thermoprocessable fine powders of homopolymer or modified PTFE |
摘要 |
<p>A process for obtaining non thermoprocessable fine powders of homopolymer or modified PTFE, comprising the following steps: A) obtaining of the polymer latex under the gel form; B) washing of the polymer gel with acid aqueous solutions or neutral aqueous solutions; C) granulation of the gel washed by mechanical stirring, at a specific power in the range 1.5-10 kW/m<3>, until flotation of the PTFE fine powder, and separation of the floated fine powder; D) drying in an aerated oven of the floated fine powder at a drying temperature in the range 90 DEG C-160 DEG C.</p> |
申请公布号 |
EP1279693(A2) |
申请公布日期 |
2003.01.29 |
申请号 |
EP20020016468 |
申请日期 |
2002.07.23 |
申请人 |
SOLVAY SOLEXIS S.P.A. |
发明人 |
KAPELIOUCHKO, VALERY;WU, HUA;PALAMONE, GIOVANNA |
分类号 |
C08J3/12;C08J3/16;(IPC1-7):C08J3/16;C08L27/18 |
主分类号 |
C08J3/12 |
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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