发明授权
- 专利标题： Use of naphthalenesulfonic acid-formaldehyde condensates products as drying aids
- 专利标题（中）： 使用萘磺酸 - 甲醛缩合物作为干燥助剂
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申请号： US10203611申请日： 1999-01-22
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公开(公告)号： US06762221B1公开(公告)日： 2004-07-13
- 发明人: Joachim Pakusch , Maximilian Angel , Joachim Roser , Andree Dragon , Heinrich Sack
- 申请人： Joachim Pakusch , Maximilian Angel , Joachim Roser , Andree Dragon , Heinrich Sack
- 优先权： DE19629525 19960722
- 主分类号： C04B2430
- IPC分类号： C04B2430
摘要：
Naphthalenesulfonic acid-formaldehyde condensates are used as assistants in the drying of aqueous polymer dispersions. Also described is a process for preparing polymer powders by drying, using these condensates; the polymer powders obtainable by the process; and their use as binders.
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