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Carboxylated Fullerene at the Oil/Water Interface

Carboxylated Fullerene at the Oil/Water Interface

Rongqiang Li, Yu Chai, Yufeng Jiang, Paul D Ashby, Anju Toor, Thomas P Russell

ACS Appl Mater Interfaces. 2017 Oct 4;9(39):34389-34395.

PMID: 28885823

Abstract:

The self-assembly of carboxylated fullerene with poly(styrene-b-2-vinylpyridine) (PS-b-P2VP) with different molecular weights, poly-2-vinylpyridine, and amine-terminated polystyrene, at the interface between toluene and water was investigated. For all values of the pH, the functionalized fullerene interacted with the polymers at the water/toluene interface, forming a nanoparticle network, reducing the interfacial tension. At pH values of 4.84 and 7.8, robust, elastic films were formed at the interface, such that hollow tubules could be formed in situ when an aqueous solution of the functionalized fullerene was jetted into a toluene solution of PS-b-P2VP at a pH of 4.84. With variation of the pH, the mechanical properties of the fullerene/polymer assemblies can be varied by tuning the strength of the interactions between the functionalized fullerenes and the PS-b-P2VP.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
LS73330	Polystyrene, amine terminated			Price

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