PROCESSES FOR PRODUCING POLYTRIMETHYLENE ETHER GLYCOL AND COPOLYMERS THEREOF
摘要
Processes for producing polytrimethylene ether glycol and copolymers thereof are provided wherein, by condensing and recycling at least a portion of the vapor phase produced as the reaction progresses, the yield loss and polymer color are reduced.
申请公布号
WO2011084686(A3)
申请公布日期
2011.10.13
申请号
WO2010US61014
申请日期
2010.12.17
申请人
E. I. DU PONT DE NEMOURS AND COMPANY;HOFFMANN, CHRISTIAN;JACKSON, SCOTT, CHRISTOPHER;MURPHY, EDWARD, R.;RAJAGOPALAN, BHUMA