Mechanical Properties of Polyethylene-Carbon Nanotube Composites Synthesized by In Situ Polymerization Using Metallocene Catalysts

被引：9
|
作者：
Al-Harthi, Mamdouh A. [1 ,2 ]
Bahuleyan, Bijal Kottukkal [3 ]
机构：
[1] King Fahd Univ Petr & Minerals, Dept Chem Engn, Dhahran 31261, Saudi Arabia
[2] King Fahd Univ Petr & Minerals, Ctr Excellence Nanotechnol, Dhahran 31261, Saudi Arabia
[3] Yanbu Ind Coll, Dept Gen Studies, POB 30436, Jubail Ind City, Saudi Arabia
来源：
ADVANCES IN MATERIALS SCIENCE AND ENGINEERING | 2018年 / 2018卷
关键词：
NANOCOMPOSITES; SYSTEM;
D O I：
10.1155/2018/4057282
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The influence of multiwalled carbon nanotubes (MWCNTs) on the properties of polyethylene prepared by in situ polymerization using metallocene catalyst (Cp2ZrCl2) in combination with methylaluminoxane has been studied. The MWCNT was incorporated in the polymer matrix adopting a stirring method. Incorporation of MWCNT causes a drop in molecular weight of the polymer along with an increase in number of branches and increase in crystallinity. It was also observed that addition of MWCNT during metallocene-catalyzed polymerization caused a drop in both the dynamic modulus and Young's modulus of polyethylene. But the drop in tensile strength was minimal, and there was an increase in elongation at break along with consequent increase in energy at break.
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页数：5
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