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Development of Boron Cage Compound Nanocomposite Elastomers

Published online by Cambridge University Press:  31 January 2011

Eric Allen Eastwood,
Daniel Edward Bowen and
Mark W. Lee
Eric Allen Eastwood
Affiliation:
eeastwood@kcp.comeric_eastwood@yahoo.com, Honeywell Federal Manufacturing & Technologies, Organic Materials and Polymer Production, Kansas City, Missouri, United States
Daniel Edward Bowen
Affiliation:
dbowen@kcp.com, Honeywell Federal Manufacturing & Technologies, Organic Materials and Polymer Production, Kansas City, Missouri, United States
Mark W. Lee
Affiliation:
leemw@missouri.edu, University of Missouri-Columbia, Department of Radiology, International Institute of Nano and Molecular Medicine, Columbia, Missouri, United States
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Abstract

A wide variety of nanofillers of varying compositions have been used to create polymer nanocomposites, including tubes, wires, fibers, sheets, and particles. A new class of compounds has been identified for use as nanofillers, boron cage compounds. Boron cage compounds are discrete, icosahedral closed cage molecules of high boron content and examples include carboranes and dodecaborate salts. Several chemically modified boron cage compounds have been incorporated into polyolefin elastomers, such as poly(ethylene-co-vinyl acetate), poly(ethylene-co-vinyl acetate-co-vinyl alcohol), poly(ethylene-co-ethyl acrylate), and poly(ethylene-co-octene), among others. The resulting thermal and thermomechanical properties were evaluated in order to determine when plasticization and reinforcement occur to better understand the chemical structure/physical property relationships. Materials with a wide range of properties were produced, however under certain conditions, advanced materials were created with high boron contents, improved thermal stability, mechanical strength, and significant reinforcement.

Keywords

nanostructureadditivespolymer

Information

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1239: Symposium VV – Micro- and Nanoscale Processing of Biomaterials , 2009, 1239-VV05-06
Copyright
Copyright © Materials Research Society 2010

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