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Ionomer composites based on sepiolite/hydrogenated poly(styrene butadiene) block copolymer systems

✍ Scribed by Jose Luis Acosta; Luis González; Maria Carmen Ojeda; Carmen Del Río

Publisher
John Wiley and Sons
Year
2002
Tongue
English
Weight
207 KB
Volume
86
Category
Article
ISSN
0021-8995

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✦ Synopsis

Abstract

Ionomeric composites based on sepiolite and hydrogenated poly(styrene butadiene) block copolymer were obtained and characterized from a microstructural and electrical point of view. Before blending, because of the high silanol group concentration in the sepiolite, the latter could be organophilized with suitable coupling agents. The resulting materials were easily processed into thin films or membranes 0.2–0.4 mm thick, their conductivity in some cases approaching 10^−1^ S/cm. Their suitability for film formation and good electrical properties indicate potential applications as electrolytes in polymer fuel cells. © 2002 Wiley Periodicals, Inc. J Appl Polym Sci 86: 3512–3519, 2002

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## Abstract Composites based on multiwall carbon nanotubes (MWCNTs) and the block copolymer styrene‐butadiene‐styrene with two different contents of styrene have been investigated and their electrical conductivity and mechanical properties have been evaluated. The composites were prepared by a solu