Poly(vinylidene Fluoride) Sandwiched Calotropis Gigantea Fiber: A Reusable Oil Sorbent with High-efficiency

被引：4

作者：

Xiao, Weilong ^{[1
]}

Niu, Bihui ^{[1
]}

Sun, Changduo ^{[1
]}

Yu, Min ^{[1
]}

Wang, Ningfen ^{[1
]}

Zheng, Yian ^{[1
]}

机构：

[1] Lanzhou Univ, Coll Earth & Environm Sci, Gansu Key Lab Environm Pollut Predict & Control, Lanzhou, Peoples R China

来源：

JOURNAL OF NATURAL FIBERS | 2022年 / 19卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Calotropis gigantea fiber; poly(vinylidene fluoride); high-efficiency; oil sorbent; reusable; MEMBRANE; SURFACE; SPILL; SEPARATION; KAPOK; BIODEGRADATION; PERFORMANCE; AEROGELS; SORPTION; CLEANUP;

D O I：

10.1080/15440478.2020.1726248

中图分类号：

TB3 [工程材料学]; TS1 [纺织工业、染整工业];

学科分类号：

0805 ; 080502 ; 0821 ;

摘要：

A reusable oil sorbent was prepared via a facile phase inversion method by using poly(vinylidene fluoride) (PVDF) to assist the shape formation of Calotropis gigantea fiber (CGF). The resulting PVDF-s-CGF with PVDF:CGF of 3:2 (weight ratio) shows not only high structural stability but also good oil-absorbing capacity (18.81 g/g for carbon tetrachloride). With the water contact angles >129 degrees, PVDF-s-CGF also shows excellent absorption selectivity for the oils. Finally, PVDF-s-CGF presents good reusability, and the absorption percentage is 84.11% for kerosene after 10 cycles. Therefore, PVDF-s-CGF will exhibit a great potential for large-scale application in oil absorption.

引用

页码：15 / 24

页数：10

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