Water-based Preparation of ZIF-8/Polyurethane Membranes

被引：0

作者：

Lee, Ye-Chan ^{[1
]}

Jeong, Yun-Gyeong ^{[1
]}

Lee, Youn-Sik ^{[1
]}

机构：

[1] Jeonbuk Natl Univ, Div Chem Engn, 567 Baekje Daero, Jeonju 54896, Jeonbuk, South Korea

来源：

POLYMER-KOREA | 2022年 / 46卷 / 06期

关键词：

metal-organic framework; zeolitic imidazolate framework-8; polyurethane emulsion; zeolitic imidazolate framework-8/polyurethane hybrid membrane; ZIF-8; PERFORMANCE; SEPARATION; PARTICLES;

D O I：

10.7317/pk.2022.46.6.820

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 order to extend application field and improve processability of crystalline metal-organic frameworks (MOFs), recently MOF/polymer hybrid membranes have been actively studied. Such membranes are generally prepared from polymer solutions and MOF particles. In this research, we chose zeolitic imidazolate framework-8 (ZIF-8), one of MOF families, and attempted to prepare ZIF-8/polymer hybrid membranes without using any organic solvent. In order to improve dispersibility of ZIF-8 particles, ZIF-8 was prepared from an aqueous solution containing Zn2+, 2-methylimidazole and polystyrene sulfonate (PSS). Through dispersion of PSS@ZIF-8 particles along with a dispersing agent into a polyurethane (PU) emulsion and casting on a polystyrene substrate, transparent ZIF-8/PU membranes were successfully prepared (PSS@ZIF-8 content: maximum 41 wt%), and characterized with respect to their tensile properties and water uptakes.

引用

页码：820 / 826

页数：7

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