发明申请
- 专利标题： Production of foam webs from high-temperature-resistant polysulfones or polyether sulfones
- 专利标题（中）： 从高温聚砜或聚醚砜生产泡沫网
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申请号： US10319642申请日： 2002-12-16
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公开(公告)号： US20040212119A1公开(公告)日： 2004-10-28
- 发明人: Franz-Josef Dietzen , Dietrich Scherzer , Joachim Queisser , Swen Ruck , Gerd Ehrmann , Wolfgang Kratzmuller
- 优先权： DE10162602.9 20011220
- 主分类号： B29C044/00
- IPC分类号： B29C044/00
摘要：
The invention relates to a process for producing foam webs by foam extrusion of a mixture of a polysulfone or polyether sulfone and a volatile blowing agent, where the blowing agent is water or a mixture of water with an inert gas or organic liquid, e.g. an alcohol or a ketone.
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