Formation of disulfonated poly(arylene ether sulfone) thin film desalination membranes plasticized with poly(ethylene glycol) by solvent-free melt extrusion

被引：6
|
作者：
Oh, Hee Jeung [1 ]
Park, Jaesung [1 ]
Inceoglu, Sebnem [2 ]
Villaluenga, Irune [3 ,4 ,5 ]
Thelen, Jacob L. [5 ]
Jiang, Xi [6 ]
McGrath, James E. [7 ]
Paul, Donald R. [1 ]
机构：
[1] Univ Texas Austin, Dept Chem Engn, Austin, TX 78712 USA
[2] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA
[3] Lawrence Berkeley Natl Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA
[4] Lawrence Berkeley Natl Lab, Joint Ctr Energy Storage Res, Berkeley, CA 94720 USA
[5] Univ Calif Berkeley, Dept Biomol & Chem Engn, Berkeley, CA 94720 USA
[6] Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA
[7] Virginia Polytech Inst & State Univ, Dept Chem, Blacksburg, VA 24061 USA
来源：
POLYMER | 2017年 / 109卷
基金：
美国国家科学基金会;
关键词：
Sulfonated polysulfone; Poly(ethylene glycol); Membrane; Melt processing; Plasticizer; PROTON-EXCHANGE MEMBRANES; MOLECULAR-WEIGHT; POLYMER; RELAXATION; COPOLYMERS; POLYSULFONE; MORPHOLOGY; POROSITY; SYSTEMS;
D O I：
10.1016/j.polymer.2016.12.035
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
In this study, we discuss a new membrane formation route for preparing sulfonated polysulfone desalination membranes by solvent-free melt processing. Single-layer membranes composed of a 20 mol% disulfonated poly(arylene ether sulfone) random copolymer (BPS-20K) and poly(ethylene glycol) (PEG) plasticizers were successfully prepared by using melt extrusion. The chemical integrity of the components in the BPS-20K/PEG membranes was maintained after the extrusion process, as confirmed by 1H NMR and FT-IR analysis. Although some of the films appeared opaque after extrusion, this was found to be due to surface roughness. Other factors that might lead to film opacity, such as phase separation, crystallization, or micro-voids, were not found. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：106 / 114
页数：9
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