发明申请
US20160194447A1 PROCESS FOR PREPARING POLYCARBAMATE AND REACTION PRODUCT THEREOF
审中-公开
制备聚碳酸酯及其反应产物的方法
- 专利标题： PROCESS FOR PREPARING POLYCARBAMATE AND REACTION PRODUCT THEREOF
- 专利标题（中）： 制备聚碳酸酯及其反应产物的方法
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申请号： US14908795申请日： 2014-07-28
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公开(公告)号： US20160194447A1公开(公告)日： 2016-07-07
- 发明人: Xinrui Yu , Yiyong He , John W. Hull, JR. , Paul Foley
- 申请人： DOW GLOBAL TECHNOLOGIES LLC
- 国际申请： PCT/US2014/048347 WO 20140728
- 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.