Chitin nanowhisker (ChNW)-functionalized electrospun PVDF membrane for enhanced removal of Indigo carmine

被引：81

作者：

Gopi, Sreerag ^{[1
]}

Balakrishnan, Preetha ^{[2
,3
]}

Pius, Anitha ^{[1
]}

Thomas, Sabu ^{[2
,3
]}

机构：

[1] Deemed Univ, Gandhigram Rural Inst, Dept Chem, Gandhigram 624302, Tamil Nadu, India

[2] Mahatma Gandhi Univ, Sch Chem Sci, Kottayam 686560, Kerala, India

[3] Mahatma Gandhi Univ, Int & Inter Univ Ctr Nanosci & Nanotechnol, Kottayam 686560, Kerala, India

来源：

CARBOHYDRATE POLYMERS | 2017年 / 165卷

关键词：

Indigo carmine; Electrospinning; Water purification; Chitin; Functional materials; DYE REMOVAL; ADSORPTION; NANOFIBERS; CHITOSAN; NANOPARTICLES; TEMPERATURE;

D O I：

10.1016/j.carbpol.2017.02.046

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

In this study, an active functional adsorbent membrane developed by combining both hydrophilic bio polymer filler such as chitin nanowhiskers (ChNW) which contains two functional groups and a hydrophobic polymer matrix such as polyvinylidene fluoride (PVDF) using electrospinning technique. Here ChNW were successfully extracted by excluding proteins and mineral and well characterized using FTIR, XRD, SEM and TEM. The optimized combination of PVDF/ChNW (15%:1%) membrane was fabricated and well characterized using SEM, water contact angle and FTIR spectroscopy. There was a remarkable difference in contact angle observed for PVDF/ChNW (22.72 degrees) compared to neat PVDF (93.1 degrees) membrane. Ultimately the membrane used for indigo carmine (IC) adsorption and an enhanced removal efficiency (88.9%) and adsorption capacity (72.6 mg g(-1)) were observed compared to neat PVDF. In the future, the overall idea can make leads to various applications such as proteins, virus and hormones adsorption from the contaminated sources. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：115 / 122

页数：8

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