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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Elastomer Composite Based on EPDM Reinforced with Polyaniline Coated Curaua Fibers Prepared by Mechanical Mixing

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Author(s):
Araujo, Joyce R. [1] ; Adamo, Cristina B. [2] ; Rocha, Werickson F. C. [1] ; Costa e Silva, Marcos V. [1] ; Carozo, Vitor [1, 3] ; Calil, Vanessa L. [1] ; De Paoli, Marco-A [2]
Total Authors: 7
Affiliation:
[1] Inst Nacl Metrol Qualidade & Tecnol Inmetro, Div Metrol Mat, BR-25250020 Rio De Janeiro - Brazil
[2] Univ Estadual Campinas, Inst Quim, BR-13083970 Sao Paulo - Brazil
[3] Univ Fed Rio de Janeiro, Dept Engn Met & Mat, BR-21941972 Rio De Janeiro - Brazil
Total Affiliations: 3
Document type: Journal article
Source: Journal of Applied Polymer Science; v. 131, n. 7 APR 5 2014.
Web of Science Citations: 5
Abstract

Curaua fibers were used to reinforce elastomeric matrices with polyaniline (PAni) synthesized directly on the fiber surfaces to produce antistatic-reinforced composites. In this work, composites of poly(ethylene-co-propylene-co-diene) with curaua fibers coated with PAni were prepared by mechanical mixing in a counter-rotating twin rotor internal mixer. Then, mechanical and electrical properties of these composites were correlated to Raman and Fourier transformed infrared spectra (FTIR) using chemometric data analyze, such as principal component analysis (PCA) and hierarchical cluster analysis (HCA). Raman spectra showed correlation with electrical properties of conductive composites while FTIR spectra showed good correlation with mechanical properties. EPDM reinforced with PAni coated curaua fibers presented higher tensile strength and modulus than EPDM reinforced with pristine curaua fibers, indicating that the reinforcement effect was obtained. Chemical interaction between the phases occurs with formation of hydrogen bonding between the aminic nitrogens of PAni and the carbonyl groups of lignin of the fibers. (c) 2013 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2014, 131, 40056. (AU)

FAPESP's process: 10/17804-7 - Polymeric composites
Grantee:Maria Isabel Felisberti
Support Opportunities: Research Projects - Thematic Grants
FAPESP's process: 10/17871-6 - Preparation of a conductive elastomer based on composites of EPDM and Curauá fibers coated with polyaniline
Grantee:Cristina Battesini Adamo
Support Opportunities: Scholarships in Brazil - Scientific Initiation