发明公开
- 专利标题: VERFAHREN ZUR HERSTELLUNG VON BLENDS AUS POLYSTYROL UND EINEM VERNETZTEN POLYVINYLPYRROLIDON MIT VERRINGERTEM STYROL-RESTMONOMERGEHALT
- 专利标题(英): Method for producing blends consisting of polystyrene and of a cross-linked polyvinyl pyrrolidone having a reduced styrene residual monomer content
- 专利标题(中): 用于生产共混物聚苯乙烯和交联聚乙烯吡咯烷酮减量单体苯乙烯
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申请号: EP06708755.1申请日: 2006-03-14
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公开(公告)号: EP1861461A1公开(公告)日: 2007-12-05
- 发明人: MATHAUER, Klemens , PIEROBON, Marianna , PETSCH, Tobias , HEILMANN, Karl-Otto , KERBER, Michael , BAYER, Robert
- 申请人: BASF AKTIENGESELLSCHAFT
- 申请人地址: 67056 Ludwigshafen DE
- 专利权人: BASF AKTIENGESELLSCHAFT
- 当前专利权人: BASF AKTIENGESELLSCHAFT
- 当前专利权人地址: 67056 Ludwigshafen DE
- 优先权: DE102005012484 20050316
- 国际公布: WO2006097470 20060921
- 主分类号: C08L23/04
- IPC分类号: C08L23/04 ; C08L39/06 ; C08F226/02 ; B01D39/00
摘要:
The invention relates to a method for removing styrene residual monomers from polystyrene and from blends containing water-insoluble cross-linked polyvinyl pyrrolidone by treating with water. The invention is characterized in that the treatment is carried out on a particle-shaped solid blend.
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