Gel Spinning of Polyacrylonitrile/Cellulose Nanocrystal Composite Fibers

被引：51

作者：

Chang, Huibin ^{[1
,2
]}

Chien, An-Ting ^{[1
]}

Liu, H. Clive ^{[1
,2
]}

Wang, Po-Hsiang ^{[1
]}

Newcomb, Bradley A. ^{[1
]}

Kumar, Satish ^{[1
,2
]}

机构：

[1] Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA

[2] Georgia Inst Technol, Renewable Bioprod Inst, Atlanta, GA 30332 USA

来源：

ACS BIOMATERIALS SCIENCE & ENGINEERING | 2015年 / 1卷 / 07期

关键词：

gel spinning; polyacrylonitrile; cellulose nanocrystal; fiber; CELLULOSE NANOCRYSTALS; CARBON NANOTUBES; ELASTIC PROPERTIES; POLY(ACRYLONITRILE); ACID; LOAD;

D O I：

10.1021/acsbiomaterials.5b00161

中图分类号：

TB3 [工程材料学]; R318.08 [生物材料学];

学科分类号：

0805 ; 080501 ; 080502 ;

摘要：

Polyacrylonitrile (PAN)/cellulose nanocrytal (CNC) fibers containing 0, 1, 5, and 10 wt % CNCs have been successfully produced by gel spinning. The rheological properties of solutions were investigated and the results showed that the complex viscosity and storage modulus of solutions were significantly affected by the presence of CNCs in the solution. Structure, morphology, mechanical properties and dynamic mechanical properties of these fibers have been investigated. Tensile modulus and strength increased from 14.5 to 19.6 GPa and from 624 to 709 MPa, respectively, as CNC loading increased from 0 to 10 wt %. Wide-angle X-ray diffraction results showed better PAN chain alignment and higher PAN crystallinity with the incorporation of CNCs.

引用

页码：610 / 616

页数：7

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