Preparation of thiolation poly(aryl ether ketone) nanofiber mat and its adsorption of Hg2+ ions

被引：1

作者：

Feng, Li-Wei ^{[1
,2
]}

Li, Fu-Quan ^{[3
]}

Zhang, Zhi-Ming ^{[1
,2
]}

Yan, Li ^{[1
,2
]}

机构：

[1] North China Univ Sci & Technol, Coll Mat Sci & Engn, Tangshan 063009, Peoples R China

[2] Hebei Prov Key Lab Inorgan Nonmetall Mat, Tangshan 063009, Peoples R China

[3] Hohhot Univ Nationalities, Hohhot 010050, Inner Mongolia, Peoples R China

来源：

RUSSIAN JOURNAL OF APPLIED CHEMISTRY | 2016年 / 89卷 / 10期

关键词：

PENDANT CARBOXYL GROUPS; AQUEOUS-SOLUTION; MEMBRANES; NANOFILTRATION; COMPOSITE; REMOVAL; SYSTEMS; CD(II); PB(II); CU(II);

D O I：

10.1134/S1070427216100207

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Thioacetylation poly(aryl ether ketone) (AcSPEK-C) as the precursor of thoilation poly(aryl ether ketone) (SHPEK-C) was synthesized via chloromethylation and thioacetylation of a phenolphthalein poly(aryl ether ketone) (PEK-C) successively. Then AcSPEK-C nanofiber mat was prepared by electrospinning technique, after the deacetylation and the acidification reaction, the SHPEK-C nanofiber mat with the average diameter of 570 nm (SEM test) was successfully obtained ultimately. DSC test showed that SHPEK-C had a single glass transition temperature (T (g) =300A degrees C). Adsorption isotherms and adsorption kinetics of the static adsorption process were used to examine the fundamental adsorption properties of Hg2+ ions. The results showed that the maximum adsorption capacity was 3.75 mmol Hg g(-1). In addition, the SHPEK-C superfine fibrous membrane also showed high recyclable removal efficiency through the adsorption/desorption experiments.

引用

页码：1706 / 1712

页数：7

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