公开(公告)号：US20140142272A1

公开(公告)日：2014-05-22

申请号：US14083936

申请日：2013-11-19

Applicant: Samsung Electronics Co., Ltd.

Inventor： In-Ki KIM ,  Eun Ha PARK ,  Ha Il KWON ,  Seung Joon HWANG ,  Moo Ho LEE

IPC: C08G65/00

CPC classification number: C08G63/78 ,  C08G63/6854 ,  C08L67/02

Abstract: A process of continuous production for polyester, comprising continuously supplying an esterification or transesterification product comprising ester oligomers with an acid value of less than 100 meq/kg to a liquid phase polymerization reactor, wherein the esterification or transesterification product is produced by esterification or transesterification of a polycarboxylic acid or an alkyl ester thereof and a polyhydric alcohol; and performing a liquid-phase polymerization at a temperature of 200 to 270° C. and at a pressure of 0 to 5 torr in a liquid-phase polymerization reactor to produce the polyester with an intrinsic viscosity of 0.4 dl/g or higher.

Abstract translation: 一种连续生产聚酯的方法，包括将含有小于100meq / kg的酸值的酯低聚物的酯化或酯交换产物连续供给到液相聚合反应器中，其中酯化或酯交换反应产物通过酯化或酯交换反应 多元羧酸或其烷基酯和多元醇; 在液相聚合反应器中，在200〜270℃，0〜5托的压力下进行液相聚合，得到特性粘度为0.4dl / g以上的聚酯。