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Published in: Polymer Bulletin 7/2021

06-07-2020 | Original Paper

A novel synthesis of polybutadiene-based polyurethane binder and conductive graphene–polyurethane nanocomposites: a new approach to polybutadiene recycling

Authors: Zahra Rahmatpanah, Mir Mohammad Alavi Nikje

Published in: Polymer Bulletin | Issue 7/2021

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Abstract

Synthesis and characterization of a new class of polybutadiene polyol polyurethanes were investigated with three consecutive reactions, namely polybutadiene (PB) chain cleavage by a two-step oxidation reaction using meta-chloroperbenzoic acid (m-CPBA) and periodic acid (H5IO6) in order to prepare polybutadiene polyol precursor, continued by telechelic amine polyol synthesis by an amination reaction using diethanolamine (DEA) in the presence of sodium borohydride (NaBH4) and finally telechelic polyurethane preparation by the reaction of synthesized polyol and toluene diisocyanate (TDI). Nanocomposites were prepared through an in situ polymerization reaction by incorporation of 1–3 wt% of graphene conductive nanosheets. Successful structural elucidation of the synthesized polymeric binder and nanocomposites was investigated by using well-known methods. TGA analysis revealed slower degradation and moderate thermal stability in higher weight percent nanocomposite. SEM images and XRD patterns resulted in fine nanoparticle distribution, lack of agglomeration and approximately constant nanoparticle size. Conductometry confirmed higher electrical conductivity data for nanocomposites by increasing graphene nanosheet contents.

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Appendix
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Literature
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go back to reference AqilahHamuzan H, Badri KH (2016) The role of isocyanates in determining the viscoelastic properties of polyurethane, vol 1784. American Institute of Physics, pp 1–6. https://doi.org/10.1063/1.4966757 AqilahHamuzan H, Badri KH (2016) The role of isocyanates in determining the viscoelastic properties of polyurethane, vol 1784. American Institute of Physics, pp 1–6. https://​doi.​org/​10.​1063/​1.​4966757
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go back to reference Nikje MMA, Moghaddam ST, Noruzian M, Farahmand-Nejad MA, Shabani K, Haghshenas M, Shakhesi S (2013) Preparation and characterization of flexible polyurethane foam nanocomposites reinforced by magnetic core-shell Fe3O4@APTS nanoparticles. Colloid Polym Sci 292:627–633. https://doi.org/10.1007/s00396-013-3099-2CrossRef Nikje MMA, Moghaddam ST, Noruzian M, Farahmand-Nejad MA, Shabani K, Haghshenas M, Shakhesi S (2013) Preparation and characterization of flexible polyurethane foam nanocomposites reinforced by magnetic core-shell Fe3O4@APTS nanoparticles. Colloid Polym Sci 292:627–633. https://​doi.​org/​10.​1007/​s00396-013-3099-2CrossRef
Metadata
Title
A novel synthesis of polybutadiene-based polyurethane binder and conductive graphene–polyurethane nanocomposites: a new approach to polybutadiene recycling
Authors
Zahra Rahmatpanah
Mir Mohammad Alavi Nikje
Publication date
06-07-2020
Publisher
Springer Berlin Heidelberg
Published in
Polymer Bulletin / Issue 7/2021
Print ISSN: 0170-0839
Electronic ISSN: 1436-2449
DOI
https://doi.org/10.1007/s00289-020-03288-z

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