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Preparation and properties of reverse osmosis composite membranes formed by 2,2’,4,4’-biphenyl tetraacyl chloride and trimesoyl chloride

Authors： Dai Lei1,2, Zhang Zhiguang1, Zhang Suobo1*

Units： 1. Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Key Laboratory of Polymer Ecomaterials, Chinese Academy of Sciences, Changchun 130022, China; 2. University of Chinese Academy of Sciences, Beijing 100049, China

KeyWords： reverse osmosis composite membrane; 2,2’,4,4’-biphenyl tetraacyl chloride; trimesoyl chloride; interfacial polymerization

ClassificationCode：P747;TQ028.8

year,volume(issue):pagination： 2016,36(4):1-6

Abstract：

A serie of reverse osmosis (RO) composite membranes was prepared by interfacial polymerization of 2,2’,4,4’-biphenyl tetraacyl chloride (BTEC)/ trimesoyl chloride (TMC) as organic-phase monomers and 1,3-phenylene diamine (MPD). The effects of surface chemical composition, surface morphology, hydrophilicity and separation performance were systematically investigated by incorporating BTEC. The results showed that smooth polyamide structures were formed, the salt rejection of the RO membranes increased from 99.42% to 99.63% while the permeability just experienced a little decrease.

Funds：

国家重大基础研究“973” 计划（2015CB655302）

AuthorIntro：

第一作者简介: 代磊（1982- ），男，吉林省长春，硕士研究生，助理研究员，研究方向为反渗透复合膜制备工艺优化及应用，通讯作者，Email: sbzhang@ciac.ac.cn

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