Reinforcement of Polymeric Submicrometer-sized Fibers by Microfibrillated Cellulose

被引：20

作者：

Fortunato, Giuseppino ^{[1
,2
]}

Zimmermann, Tanja ^{[3
]}

Luebben, Joern ^{[1
]}

Bordeanu, Nico ^{[3
]}

Hufenus, Rudolf ^{[1
]}

机构：

[1] Empa, Swiss Fed Labs Mat Sci & Technol, Lab Adv Fibers, CH-9014 St Gallen, Switzerland

[2] Empa, Swiss Fed Labs Mat Sci & Technol, Lab Protect & Physiol, CH-9014 St Gallen, Switzerland

[3] Empa, Swiss Fed Labs Mat Sci & Technol, Appl Wood Mat Lab, CH-8600 Dubendorf, Switzerland

来源：

MACROMOLECULAR MATERIALS AND ENGINEERING | 2012年 / 297卷 / 06期

关键词：

electrostatic spinning; microfibrillated cellulose; nanocomposites; nanofibers; reinforcement; MECHANICAL-PROPERTIES; NANOCOMPOSITE FIBERS; GOVERNING PARAMETERS; POLYETHYLENE OXIDE; MOLECULAR-WEIGHT; GOOD SOLVENT; NANOFIBERS; WHISKERS; MORPHOLOGY; BEHAVIOR;

D O I：

10.1002/mame.201100408

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

To improve their mechanical properties, biodegradable network-forming microfibrillated cellulose (MFC) is introduced into PEO fibers by an electrospinning (e-spinning) procedure. The influence of MFC is investigated with respect to e-spinning process parameters as well as morphological and mechanical properties of the fibers. The determination of the Young's modulus is established using both macro-tensile testing procedures of aligned fiber patches and AFM on single fibers. Highly filled fiber systems are obtained, showing an enhancement of Young's modulus by a factor of up to ten compared to pure PEO fibers. The morphological investigations reveal fibers with circular cross-sections incorporating homogeneously dispersed MFC within the polymer matrix. The introduction of MFC has no relevant effect on processing and the appearance of the fiber.

引用

页码：576 / 584

页数：9

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