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Published in: Polymer Bulletin 3/2023

05-04-2022 | Original Paper

Improving adhesion between acrylonitrile-butadiene rubber and glass fiber cord by covalent bonding and secondary polar interactions

Authors: Rafał Anyszka, Dariusz M. Bieliński, Mariusz Siciński, Tomasz Gozdek, Michał Okraska, Joanna Chudzik, Mateusz Imiela, Jakub Wręczycki, Dominik Pietrzak, Jacek Gralewski, Magdalena Maciejewska

Published in: Polymer Bulletin | Issue 3/2023

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Abstract

Adhesion promoting systems based on 3-aminopropyltriethoxysilane, 3-mercaptopropyltrimethoxysilane, N-2-aminoethyl-3-aminopropyltrimethoxysilane, hexamethylenetetramine, m-aminophenol, and silica were added into acrylonitrile-butadiene rubber (NBR) compounds to facilitate improved adhesion to a glass fiber cord. The kinetics of sulfur vulcanization, static and dynamic mechanical properties, surface energy, and adhesion to a glass fiber cord of the rubber compounds were studied. The addition of the adhesion promoters significantly influenced compounds' vulcanization, which resulted in significantly changed mechanical properties of the vulcanizates, while the dynamic properties were impacted only slightly. The surface energy measurement results were not in line with the final adhesion test results, which were most likely caused by the effect of acrylonitrile monomer units of NBR orientation toward the bulk of the compound. In consequence, the results indicated a lowering of the surface energy of the samples containing the adhesion promoters, whereas the pull-out test of the glass cord showed a significant improvement of the compounds' adhesion. The most effective adhesion-promoting system consisted of hexamethylenetetramine, m-aminophenol, and silica resulting in an over 300% increase of the adhesion force in comparison to unmodified NBR.

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Metadata
Title
Improving adhesion between acrylonitrile-butadiene rubber and glass fiber cord by covalent bonding and secondary polar interactions
Authors
Rafał Anyszka
Dariusz M. Bieliński
Mariusz Siciński
Tomasz Gozdek
Michał Okraska
Joanna Chudzik
Mateusz Imiela
Jakub Wręczycki
Dominik Pietrzak
Jacek Gralewski
Magdalena Maciejewska
Publication date
05-04-2022
Publisher
Springer Berlin Heidelberg
Published in
Polymer Bulletin / Issue 3/2023
Print ISSN: 0170-0839
Electronic ISSN: 1436-2449
DOI
https://doi.org/10.1007/s00289-022-04198-y

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