PROCESS FOR PRODUCING POLYTRIMETHYLENE ETHER GLYCOL
摘要
A process for producing polytrimethylene ether glycol by polycondensing 1,3-propanediol using a catalyst comprising an acid and a base, at a temperature of from about 165 to about 175°C.
申请公布号
WO2007084636(A3)
申请公布日期
2007.11.22
申请号
WO2007US01373
申请日期
2007.01.19
申请人
E. I. DU PONT DE NEMOURS AND COMPANY;SUNKARA, HARI, BABU;NG, HOWARD, C.;ZHENG, WEI
