发明授权
- 专利标题： Solvent free polyurethane dispersions for hard surface coatings
- 专利标题（中）： 无溶剂的聚氨酯分散体用于硬表面涂层
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申请号： US11515072申请日： 2006-09-01
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公开(公告)号： US07754809B2公开(公告)日： 2010-07-13
- 发明人: Friederike Stollmaier , Dwight D. Latham , Michael J. Elwell , Debkumar Bhattacharjee , Bedri Erdem
- 申请人： Friederike Stollmaier , Dwight D. Latham , Michael J. Elwell , Debkumar Bhattacharjee , Bedri Erdem
- 申请人地址： US MI Midland
- 专利权人： DowGlobal Technologies Inc.
- 当前专利权人： DowGlobal Technologies Inc.
- 当前专利权人地址： US MI Midland
- 主分类号： C08G18/08
- IPC分类号： C08G18/08
摘要：
The invention relates to polyurethane dispersions which develop high hardness and form coating films at room temperature. The dispersions are prepared from prepolymers containing prepolymers containing a polyol or polyol blend having specified equivalent weight and polyisocyanate to polyol molar ratio.
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