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Reinforcement of liquid ethylene–propylene–dicyclopentadiene copolymer based elastomer with vinyl functionalized multiwalled carbon nanotubes
Author(s) -
Zhou Hongfu,
Zhang Chen,
Li Hangquan,
Du Zhongjie,
Li Congju
Publication year - 2010
Publication title -
polymer engineering and science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.503
H-Index - 111
eISSN - 1548-2634
pISSN - 0032-3888
DOI - 10.1002/pen.21684
Subject(s) - materials science , dicyclopentadiene , copolymer , elastomer , thermogravimetric analysis , acrylate , composite material , carbon nanotube , vinyl chloride , polymerization , polymer chemistry , polymer , chemical engineering , engineering
A methodology for reinforcement of liquid ethylene–propylene–dicyclopentadiene copolymer (liquid‐EPDM) based elastomer with multiwalled carbon nanotubes (MWCNTs) was proposed. Acid‐treated MWCNTs were first reacted with poly(acryloyl chloride) (PACl) leading to a grafted encapsulation, which were subsequently reacted with hydroxy ethyl acrylate (HEA) to generate vinyl groups. Thus obtained vinyl groups functionalized MWCNTs (vinyl‐MWCNTs) were characterized using Fourier transform infrared spectroscopy, transmission electron microscopy, and thermogravimetric analysis. The vinyl‐MWCNTs were blended with liquid‐EPDM and subjected to co‐curing; an intercrosslinked structure was obtained via the free radical polymerization among the vinyl groups on vinyl‐MWCNTs and the double bonds on liquid‐EPDM. As a result, the vinyl‐MWCNTs and the cured EPDM matrix were covalently linked. The chemical interfacial interaction between vinyl‐MWCNTs and the cured matrix were observed by scanning electron microscope, which provided obvious reinforcement of elastomer. POLYM. ENG. SCI., 2010. © 2010 Society of Plastics Engineers