Rheology of carbon nanofiber-reinforced polypropylene

被引：35
|
作者：
Ceccia, Simona [2 ]
Ferri, Dino [3 ]
Tabuani, Daniela [2 ]
Maffettone, Pier Luca [1 ]
机构：
[1] Univ Naples Federico 2, Dipartimento Ingn Chim, I-80125 Naples, Italy
[2] Ctr Ingn Mat Plast, I-15100 Alessandria, Italy
[3] Ctr Ric Claudio Buonerba Polimeri Europa, I-46100 Mantova, Italy
来源：
RHEOLOGICA ACTA | 2008年 / 47卷 / 04期
关键词：
carbon nanofiber; viscosity; normal stresses; linear viscoelasticity;
D O I：
10.1007/s00397-008-0265-4
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The rheological properties of two different nanocomposite systems consisting in the dispersion of carbon nanofibers (CNFs) in polypropylene are investigated. The nanoreinforced systems were identically prepared with two CNFs that differ only in the length of the fibers being otherwise identical to analyze the effect of fiber aspect ratio. Linear dynamic viscoelasticity and the steady-state rheology of the two different nanocomposites are presented. The system reinforced with CNFs with larger aspect ratio shows several rheological features that resemble peculiarities of rodlike polymers in the nematic liquid crystalline phase.
引用
收藏
页码：425 / 433
页数：9
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