Ultrafine Cellulose Triacetate Mats Electrospun by Using Co-solvent of DMSO/Chloroform System

被引：7
|
作者：
Lan, Tian [1 ,2 ]
Shao, Zi-Qiang [1 ,2 ]
Wang, Wen-Jun [1 ,2 ]
Wang, Fei-Jun [1 ,2 ]
Zhang, Da-Lun [1 ,2 ]
Wang, Jian-Quan [1 ,2 ]
Liu, Yan-Hua [3 ]
Kong, Lin-Lin [1 ,2 ]
机构：
[1] Beijing Inst Technol, Sch Mat Sci & Engn, Beijing 100081, Peoples R China
[2] Beijing Engn Res Ctr Cellulose & Its Derivat, Beijing 100081, Peoples R China
[3] North Century Cellulose Technol Res & Dev Co Ltd, Beijing 100081, Peoples R China
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 2014年 / 131卷 / 12期
关键词：
electrospinning; cellulose triacetate; DMSO; chloroform; fiber diameter; nanofibers; ACETATE FIBERS; SOLVENT SYSTEM; NANOFIBERS;
D O I：
10.1002/app.40373
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Cellulose triacetate (CTA) nanofiber nonwoven mats were continuously electrospun by using mixed solvent of DMSO/chloroform system. The size and morphology of CTA nanofibers were investigated. It was found that CTA fibers with diameters in the range of 98 nm-1.81 m were obtained from 8 wt % CTA solutions in 1 : 1, 3 : 2, 2 : 1, 3 : 1, 5 : 1 and 7 : 1 (v/v) DMSO/chloroform. The average diameter of CTA nanofiber was decreased and size distribution was narrowed with increasing the DMSO content in the mixed solvent. Smooth and uniform nanofibers with mean diameters of about 260 nm could be obtained from a solution of CTA in the binary system DMSO/chloroform 5 : 1(v/v) at a polymer concentration of 8 wt %. (c) 2014 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2014, 131, 40373.
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页数：7
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