发明申请
- 专利标题： HOT MELT PROCESSABLE POLYUREA COPOLYMERS AND METHODS OF THEIR PREPARATION AND USE
- 专利标题（中）： 热熔融加工聚氨酯共聚物及其制备和使用方法
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申请号： US11830943申请日： 2007-07-31
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公开(公告)号： US20090036598A1公开(公告)日： 2009-02-05
- 发明人: Audrey A. Sherman , Craig E. Hamer , Donald H. Lucast , Thomas E. Augustine , Wendi J. Winkler
- 申请人： Audrey A. Sherman , Craig E. Hamer , Donald H. Lucast , Thomas E. Augustine , Wendi J. Winkler
- 专利权人： 3M Innovative Properties Company
- 当前专利权人： 3M Innovative Properties Company
- 主分类号： C08G18/08
- IPC分类号： C08G18/08
摘要：
Packaged viscoelastic compositions comprising viscoelastic copolymers and a packaging material are disclosed. The viscoelastic copolymers are urea copolymers, which are the reaction product of polyisocyanates and polyamines. The packaged viscoelastic compositions are hot melt processable.