TMC/TMPIP纳滤超薄复合膜的制备

邹凯伦1; 王丽红2; 张林1; 陈欢林1; 高从堦1; 3

doi:10.3969/j.issn.0438-1157.2012.03.039

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TMC/TMPIP纳滤超薄复合膜的制备

材料化学工程与纳米技术 | 更新时间：2025-12-10

- TMC/TMPIP纳滤超薄复合膜的制备
- Preparation of TMC/TMPIP nanofiltration composite membrane with ultra-thin skin layer
- 化工学报 2012年第3期页码：948-954
- 作者机构：
- 作者简介：
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- DOI：10.3969/j.issn.0438-1157.2012.03.039
  中图分类号： Q028.8
- 网络首发：2012-03-05，
  
  纸质出版：2012-03-05
- 稿件说明：
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邹凯伦1, 王丽红2, 张林1, 等. TMC/TMPIP纳滤超薄复合膜的制备[J]. 化工学报, 2012,(3):948-954.

邹凯伦1, 王丽红2, 张林1, et al. Preparation of TMC/TMPIP nanofiltration composite membrane with ultra-thin skin layer[J]. CIESC Journal, 2012, (3): 948-954.
邹凯伦1, 王丽红2, 张林1, 等. TMC/TMPIP纳滤超薄复合膜的制备[J]. 化工学报, 2012,(3):948-954. DOI： 10.3969/j.issn.0438-1157.2012.03.039.

邹凯伦1, 王丽红2, 张林1, et al. Preparation of TMC/TMPIP nanofiltration composite membrane with ultra-thin skin layer[J]. CIESC Journal, 2012, (3): 948-954. DOI： 10.3969/j.issn.0438-1157.2012.03.039.

摘要

基于哌嗪(PIP)与均苯三甲酰氯(TMC)界面聚合制备纳滤膜的原理，设计并合成了具有支化结构的三亚胺功能基团水相单体——均苯三甲酰哌嗪(TMPIP)盐酸盐，并与TMC界面聚合制得分子结构与TMC/PIP相同的TMC/TMPIP超薄纳滤复合膜。采用傅里叶红外光谱(FTIR)和扫描电镜(SEM)表征了复合膜皮层的化学结构和表面形貌，结果表明在聚砜底膜表面形成了膜厚为100 nm左右的TMC/TMPIP超薄皮层。通过与TMC/PIP复合膜对PEG 200水溶液的分离性能相比较发现，TMC/TMPIP复合膜因其高度的网络化结构和超薄皮层，因而具有更高的截留率和水通量。考察了TMC/TMPIP复合膜对水中不同盐的截留性能，其截留率顺序与TMC/PIP复合膜相同，而通量和截留率均优于后者。

Abstract

A nanofiltration (NF)composite membrane

with an ultra-thin skin layer

was prepared through interfacial polymerization on a polysulfone support with trimesoyl chloride (TMC)and a key aqueous monomer trimesoyl piperazine (TMPIP)hydrochloride with branched triimine structure

which was designed and synthesized based on the principle of interfacial polymerization of TMC and piperazine (PIP).Fourier transform infrared spectroscopy (FTIR)was combined with scanning electron microscope (SEM)to characterize the chemical composition and structure of the skin layer. The results showed that an ultra-thin poly(piperazineamide)skin layer

around 100 nm thick

was formed on the surface of support membrane. Compared with the performance of TMC/PIP composite membrane against PEG 200

the improved performance of TMC/TMPIP composite membrane was attributed to its high crosslinking and ultra-thin skin layer. The performance for aqueous solution of different salts was investigated

and it was found that the rejection and flux were both better than those of TMC/PIP composite membrane

with the same rejection order.

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