发明申请
- 专利标题: Method for the Production of Polyvinyl Acetals
- 专利标题(中): 聚乙烯缩醛生产方法
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申请号: US11570142申请日: 2005-06-23
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公开(公告)号: US20070244266A1公开(公告)日: 2007-10-18
- 发明人: Andreas Lumpp
- 申请人: Andreas Lumpp
- 申请人地址: DE Burghausen 84489
- 专利权人: WACKER POLYMER SYSTEMS GMBH & CO. KG
- 当前专利权人: WACKER POLYMER SYSTEMS GMBH & CO. KG
- 当前专利权人地址: DE Burghausen 84489
- 优先权: DE102004031971.5 20040701
- 国际申请: PCT/EP05/06818 WO 20050623
- 主分类号: C08F8/28
- IPC分类号: C08F8/28
摘要:
Polyvinyl acetals with a high degree of acetalization and low solution viscosity are prepared by acetalizing partly or fully hydrolyzed polyvinyl ester polymers dissolved or slurried in aldehyde.
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