Fabrication and characterization of multiwalled carbon nanotube-loaded interconnected porous nanocomposite scaffolds

被引：3
|
作者：
Allaf, Rula M. [1 ]
Rivero, Iris V. [2 ]
Ivanov, Ilia N. [3 ]
机构：
[1] German Jordanian Univ, Dept Ind Engn, Amman, Jordan
[2] Iowa State Univ, Dept Ind & Mfg Syst Engn, Ames, IA 50011 USA
[3] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN USA
来源：
INTERNATIONAL JOURNAL OF POLYMERIC MATERIALS AND POLYMERIC BIOMATERIALS | 2017年 / 66卷 / 04期
关键词：
Mechanical properties; nanostructures; porosity; thermal properties; wettability; TISSUE ENGINEERING SCAFFOLDS; COMPOSITES; POLYMER; DISPERSION; BLEND; FILMS; NANOFIBERS; BEHAVIOR; POROSITY;
D O I：
10.1080/00914037.2016.1201761
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：
Novel nanocomposite porous scaffolds based on poly(epsilon-caprolactone) (PCL) and multiwalled carbon nanotubes (MWCNTs) were manufactured by a compression-molding/polymer-leaching approach utilizing cryomilling for homogeneous dispersion of nanotubes and blending of polymers. Addition of MWCNTs to PCL and PCL/polyglycolide (PGA) blends resulted in significant changes to scaffold morphology compared to control samples despite persistent interconnected porosity. Several structures exhibiting rough and nanotextured surfaces were observed. Mean pore sizes were in the range of similar to 3-5 mu m. The nanocomposites presented good mechanical and water uptake properties. The results of this research provide significant insight into a strategy for producing nanocomposite scaffolds with interconnected porosity. [GRAPHICS] .
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页码：183 / 192
页数：10
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