- 专利标题： Process for preparing polycarbamate and reaction product thereof
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申请号： US14908795申请日： 2014-07-28
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公开(公告)号： US10604626B2公开(公告)日： 2020-03-31
- 发明人: Xinrui Yu , Yiyong He , John W. Hull, Jr. , Paul Foley
- 申请人： Dow Global Technologies LLC
- 申请人地址： US MI Midland
- 专利权人： Dow Global Technologies, LLC
- 当前专利权人： Dow Global Technologies, LLC
- 当前专利权人地址： US MI Midland
- 国际申请： PCT/US2014/048347 WO 20140728
- 国际公布： WO2015/017297 WO 20150205
- 主分类号： C08G71/04
- IPC分类号： C08G71/04
摘要：
A first process to produce polycarbamate comprising providing urea in liquid form; and adding the liquid urea to a polyol is provided. A second process for producing polycarbamate comprising adding solid urea to a polyol in liquid form to form a reaction mixture is provided. Also provided is a reaction product produced by the first process or second process.
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