MULTI-WALLED CARBON NANOTUBES EFFECT IN POLYPROPYLENE NANOCOMPOSITES

被引：0
|
作者：
Ban, Cristina-Elisabeta [1 ,2 ]
Stefan, Adriana [1 ]
Dinca, Ion [1 ]
Pelin, George [1 ,2 ]
Ficai, Anton [2 ]
Andronescu, Ecaterina [2 ]
Oprea, Ovidiu [2 ]
Voicu, Georgeta [2 ]
机构：
[1] Natl Inst Aerosp Res Elie Carafoli Bucharest, Mat Unit, 220 Iuliu Maniu Blvd, Bucharest 061126, Romania
[2] Univ Politehn Bucuresti, Fac Appl Chem & Mat Sci, 1-7 Polizu St, Bucharest 011061, Romania
来源：
MATERIALI IN TEHNOLOGIJE | 2016年 / 50卷 / 01期
关键词：
polypropylene; melt mixing; carbon nanotubes; mechanical properties; thermal resistance; ISOTACTIC POLYPROPYLENE; INFRARED-SPECTROSCOPY; THERMAL-PROPERTIES; COMPOSITES; OXIDATION; BEHAVIOR; FILMS;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The paper presents a study concerning thermoplastic nanocomposites having polypropylene as the matrix and different contents of carboxyl-functionalized multi-walled carbon nanotubes as the nanofiller. The materials are obtained by melt compounding the nanofiller powder and polymer pellets through the extrusion process followed by injection molding into specific-shape specimens. The materials are evaluated in terms of mechanical properties such as the tensile and flexural strengths and moduli, the thermal stability under load (the heat deflection temperature) and the thermal-behavior properties using a TG-DSC analysis. The fracture cross-section is analyzed using FTIR spectroscopy and SEM microscopy to evaluate the bulk characteristics of the materials. The results show positive effects of the nanofiller addition to the thermoplastic polymer on the mechanical strength and modulus of the materials during flexural and tensile tests, while in the case of the thermal stability under load, the nanofiller addition has a minor influence on the heat-deflection-temperature values.
引用
收藏
页码：11 / 16
页数：6
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