公开(公告)号：US20150038669A1

公开(公告)日：2015-02-05

申请号：US13955612

申请日：2013-07-31

Applicant: Dow Global Technologies LLC

Inventor： Xinrui Yu ,  Yiyong He ,  Ronald B. Leng

IPC: C08G71/04

CPC classification number: C08G71/04 ,  C08G63/668 ,  C08G63/6852 ,  C08G65/33303

Abstract: A process to produce polycarbamate comprising providing urea in liquid form; and adding the urea in liquid form to a polyol in a reduced gradient profile to form polycarbamate product is provided. Also provided are: (a) a reaction product of the process and (b) an apparatus for operating the process.

Abstract translation: 一种生产聚氨酯的方法，包括以液体形式提供尿素; 并提供液体形式的脲以减少的梯度曲线形式制成多元醇以形成聚氨酯。 还提供了：（a）该方法的反应产物和（b）用于操作该方法的装置。