发明授权
- 专利标题: Surfactant for self-inverting polyacrylmides
- 专利标题(中): 自反相聚丙烯酰胺的表面活性剂
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申请号: US206078申请日: 1994-03-04
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公开(公告)号: US5925714A公开(公告)日: 1999-07-20
- 发明人: Eric H. Larson , Manilal Dahanayake , William R. Busler
- 申请人: Eric H. Larson , Manilal Dahanayake , William R. Busler
- 申请人地址: FRX Saint-Etienne Cedex
- 专利权人: SNF S.A.
- 当前专利权人: SNF S.A.
- 当前专利权人地址: FRX Saint-Etienne Cedex
- 主分类号: C08F2/32
- IPC分类号: C08F2/32 ; C08F12/28
摘要:
Improved water soluble vinyl addition polymers for use as thickening and flocculating agents in water purification treatment, paper manufacture and waste water treatment are prepared using alkoxylated castor oil as an activation release agent. The release agent is biodegradable thereby making the overall product process more environmentally friendly.
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