发明名称 POLY(TRIMETHYLENE TEREPHTHALATE) CONTINUOUS MANUFACTURING PROCESS
摘要 This invention relates to a continuous process for production of poly(trimethylene terephthalate), wherein gaseous 1,3-propanediol by product resulting from the process is condensed in a condenser, and a portion of the condensed by-product is recycled to the condenser while anther portion is recycled back into the process.
申请公布号 WO2007075990(A2) 申请公布日期 2007.07.05
申请号 WO2006US48979 申请日期 2006.12.21
申请人 E. I. DU PONT DE NEMOURS AND COMPANY;ENG, JOHN, HARVEY;BLUM, EMILY, A.;GREEN, DANIEL, ALBERT;PARRISH, GENE;TROTTER, ROBERT, E.;WILSON, GARY, J. 发明人 ENG, JOHN, HARVEY;BLUM, EMILY, A.;GREEN, DANIEL, ALBERT;PARRISH, GENE;TROTTER, ROBERT, E.;WILSON, GARY, J.
分类号 C08G63/78;C08G63/85 主分类号 C08G63/78
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