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Líquidos iônicos como plastificantes em blendas de borracha nitrílica/polianilina

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Date
2014-01-01
Author
Prudêncio, Leandro [UNIFESP]
Camilo, Fernanda Ferraz [UNIFESP]
Faez, Roselena
Type
Artigo
ISSN
0100-4042
1678-7064
Is part of
Química Nova
DOI
10.5935/0100-4042.20140103
Metadata
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Alternative Title
Ionic liquids as plasticizers in nitrile rubber/polyaniline blends
Abstract
Two imidazolium-based ionic liquids (C4MIMTf2N and C4MIMBF4) were used to verify their influence on polyaniline (PANI) and nitrile rubber (NBR)/PANI blend properties and the vulcanization process. High conductivity values were observed for PANI-C4MIMTf2N samples and no interference was found for the C4MIMBF4 samples. These materials were added to NBR by mechanical mixing. Based on the torque results, the presence of C4MIMBF4 does not protect the vulcanization reaction of NBR with PANI as performed by C4MIMTf2N. The highest conductivity value was obtained with 7 wt. % of PANI-DSBA-C4MIMTf2N (10-6 S/cm). This result is attributed to the more effective interaction of PANI and NBR phases promoted by the ionic liquid.
Citation
Química Nova. Sociedade Brasileira de Química, v. 37, n. 4, p. 618-623, 2014.
Keywords
conductive elastomer
vulcanization
ionic liquids
polyaniline
Sponsorship
Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
URI
http://repositorio.unifesp.br/handle/11600/8189
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  • ICAQF - Artigos [1140]

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