Dispersion and Characterization of Thermoplastic Polyurethane/Multiwalled Carbon Nanotubes by Melt Mixing

被引：17
|
作者：
Benedito, Adolfo [1 ]
Buezas, Ignacio [1 ]
Gimenez, Enrique [1 ,2 ]
Galindo, Begona [1 ]
Ortega, Amaya [1 ]
机构：
[1] Asociac Invest Mat Plast AIMPLAS, Inst Tecnol Plast, Paterna 46980, Valencia, Spain
[2] Univ Politecn Valencia, Inst Tecnol Mat, Valencia 46022, Spain
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 2011年 / 122卷 / 06期
关键词：
dispersions; extrusion; polyurethanes; MECHANICAL-PROPERTIES; COMPOSITES; NETWORK;
D O I：
10.1002/app.34788
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The dispersion of multiwalled carbon nanotubes (MWCNT) in thermoplastic polyurethanes (TPUs) was evaluated in a corotative twin-screw extruder through a melt-blending process. A specific experimental design was prepared with different parameters, such as screw speed, screw design, and carbon nanotube loading, taken into account. The obtained samples were characterized by thermogravimetric analysis, light transmission microscopy, field emission scanning electron microscopy, dynamic rheometry, dynamic mechanical analysis, and electrical conductivity. This work focuses on the influence of the compounding parameters in the dispersion quality of MWCNTs in a TPU matrix to optimize them for an industrial scaleup. (C) 2011 Wiley Periodicals, Inc. J Appl Polym Sci 122: 3745-3751, 2011
引用
收藏
页码：3745 / 3751
页数：7
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