Characterization of Polymer Inclusion Membranes (PIMs) Containing Phosphonium Ionic Liquids as Zn(II) Carriers

被引：49

作者：

Baczynska, Monika ^{[1
]}

Waszak, Michal ^{[2
]}

Nowicki, Marek ^{[2
]}

Przadka, Dawid ^{[1
]}

Borysiak, Slawomir ^{[1
]}

Regel-Rosocka, Magdalena ^{[1
]}

机构：

[1] Poznan Univ Tech, Fac Chem Technol, Inst Chem Technol & Engn, Ul Berdychowo 4, PL-60965 Poznan, Poland

[2] Poznan Univ Tech, Fac Tech Phys, Inst Phys, Ul Piotrowo 3, PL-60965 Poznan, Poland

来源：

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 2018年 / 57卷 / 14期

关键词：

HYDROCHLORIC-ACID SOLUTIONS; ALIQUAT 336/PVC MEMBRANES; CYPHOS(R) IL 104; FACILITATED TRANSPORT; CELLULOSE TRIACETATE; CHLORIDE SOLUTIONS; CR(VI) TRANSPORT; CROWN-ETHERS; METAL-IONS; EXTRACTION;

D O I：

10.1021/acs.iecr.7b04685

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Phosphonium ionic liquids (IL), i.e., trihexyl(tetradecyl)phosphonium chloride (Cyphos IL 101), trihexyl(tetradecyl)phosphonium bis-(2,4,4-trimethylpentyl)phosphinate (Cyphos IL 104), and tributyl(tetradecyl)phosphonium chloride (Cyphos IL 167), were used as ion carriers in CTA or PVC-based polymer inclusion membranes (PIM). Up to now, the morphology and structure of PIMs with phosphonium ILs have not been characterized in detail. Thus, the following techniques were proposed in this paper-contact angle measurements, FT-IR, XRD, DSC, AFM, and SEM-to analyze the influence of PIM morphology on the efficiency of Zn(II) transport. CTA-based membranes appeared to be more hydrophilic, with a more expanded and rough surface that allowed better accessibility of the metal ions to the membrane. PVC-based PIMs were more hydrophobic and completely amorphous, and their surface showed less diversity, resulting in worse accessibility. Also, PIM stability after five cycles of transport processes was examined.

引用

页码：5070 / 5082

页数：13

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