- 专利标题： PROCESS FOR PREPARING POLYCARBAMATE AND REACTION PRODUCT THEREOF
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申请号： US15712181申请日： 2017-09-22
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公开(公告)号： US20180009947A1公开(公告)日： 2018-01-11
- 发明人: Xinrui Yu , Yiyong He , John W. Hull, JR. , Paul Foley
- 申请人： Dow Global Technologies LLC
- 主分类号： C08G71/04
- IPC分类号： C08G71/04 ; C08G65/333
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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