NDLI: Synthesis of vinylferrocene and the ligand-exchange reaction between its copolymer and carbon nanotubes

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Frontiers of Chemical Engineering in China : Volume 8, Issue 1, March 2014

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Synthesis of vinylferrocene and the ligand-exchange reaction between its copolymer and carbon nanotubes

Content Provider	Springer Nature Link
Author	Shi, Ran Wang, Hai Tang, Ping Bin, Yuezhen
Copyright Year	2014
Abstract	To improve the dispersibility of carbon nanotubes (CNTs), poly(vinylferrocene-co-styrene) (poly (Vf-co-St)), was grafted onto the surface of CNTs by a ligand-exchange reaction. Poly(Vf-co-St) was obtained by a radical copolymerization reaction using styrene and vinylferrocene as the monomers. The vinylferrocene was synthesized from ferrocene via a Friedel-Crafts acylation. The molecular weight, molecular weight distribution, and amount of Vf in the poly(Vf-co-St) were 1.32 × 10$^{4}$, 1.69 and 17.6% respectively. The degree of grafting of the copolymer onto the CNTs surface was calculated from thermogravimetric analysis and varied from 27.1% to 79.7%. The addition of the poly(Vf-co-St) greatly promoted the dispersibility of the modified CNTs in anhydrous alcohol. The electrical conductivity of composites prepared from the polymer-grafted CNTs and copolymer (acrylonitrile, 1,3-butadiene and styrene, ABS) strongly depended on the degree of grafting. These results show that the amount of polymer grafted onto the surface of CNTs can be controlled and that the electrical properties of composites prepared with these grafted polymers can be tuned.
Starting Page	171
Ending Page	178
Page Count	8
File Format	PDF
ISSN	20950179
Journal	Frontiers of Chemical Engineering in China
Volume Number	8
Issue Number	2
e-ISSN	20950187
Language	English
Publisher	Higher Education Press
Publisher Date	2014-05-29
Publisher Institution	Chinese Universities
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	vinylferrocene poly (Vf-co-St) CNTs dispersibility Industrial Chemistry/Chemical Engineering Nanotechnology
Content Type	Text
Resource Type	Article
Subject	Chemical Engineering

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