基本信息:
- 专利标题: A method and apparatus for separating solids from the polymer solution
- 申请号:JP2000611596 申请日:2000-03-20
- 公开(公告)号:JP4685244B2 公开(公告)日:2011-05-18
- 发明人: ヴァゲナー,ラインハルト , ハオブス,ミヒャエル
- 申请人: ティコナ ゲゼルシャフト ミット ベシュレンクテル ハフツングTicona GmbH
- 专利权人: ティコナ ゲゼルシャフト ミット ベシュレンクテル ハフツングTicona GmbH
- 当前专利权人: ティコナ ゲゼルシャフト ミット ベシュレンクテル ハフツングTicona GmbH
- 优先权: DE19915705 1999-04-08
- 主分类号: C08G85/00
- IPC分类号: C08G85/00 ; B01D3/24 ; B01D21/00 ; B01J8/00 ; C08G75/0277 ; C08G75/0281
摘要:
The present invention relates to a process for separating a dissolved polymer from solids, wherein the solid is separated off by sedimentation and the sedimented solid is washed in countercurrent with a solvent. The present invention further relates to a process for preparing polymers in a solvent, whereina) a polymer having a low molecular weight is prepared in solution,b) the solid which is undissolved in the reaction mixture is separated off by sedimentation andc) the mixture which has been freed of the solid is polymerized further until a particular molecular weight has been reached.
公开/授权文献:
- JP2002542324A 公开/授权日:2002-12-10