journal article·2017-10-04Open access

Carboxylated Fullerene at the Oil/Water Interface

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

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.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Phase Equilibria and Thermodynamics · Enhanced Oil Recovery Techniques · Electrohydrodynamics and Fluid Dynamics

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

College of Chemistry and Pharmaceutical Engineering, Huanghuai University, Zhumadian, Henan 463000, P. R. China

Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States

Department of Materials Science and Engineering, University of California, Berkeley, California 94720, United States

Department of Applied Science and Technology, University of California, Berkeley, California 94720, United States

Molecular Foundry Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States

Polymer Science and Engineering Department, University of Massachusetts, Amherst, Massachusetts 01003, United States

Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China

Funding

Basic Energy Sciences · China Scholarship Council

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