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Erschienen in: Journal of Materials Science 19/2015

01.10.2015 | Original Paper

Effects of poly(ethyleneimine) adsorption on graphene nanoplatelets to the properties of NR/EPDM rubber blend nanocomposites

verfasst von: Jeefferie Abd Razak, Sahrim Haji Ahmad, Chantara Thevy Ratnam, Mazlin Aida Mahamood, Noraiham Mohamad

Erschienen in: Journal of Materials Science | Ausgabe 19/2015

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Abstract

The facile approach of non-covalent surface treatment utilizing poly(ethyleneimine) (PEI) polymer was applied to modify graphene nanoplatelets (GNPs). The effects of surface modification and various GNPs–PEI loadings to cure characteristic, mechanical, physical, and morphological properties of natural rubber (NR)/ethylene–propylene–diene–monomer (EPDM) blend nanocomposites were studied and compared to the unfilled NR/EPDM blend and blends filled with unmodified GNPs at similar loadings. We found that the modification of GNPs surface significantly influences the properties of NR/EPDM blends. The addition of GNPs significantly improved the blend’s processability, offering approximately a 104.30 % increase in tensile strength obtained with the addition of 5.00 wt% GNPs–PEI. A reduced swelling index of Q f/Q g in parallel with an increase in modified GNPs–PEI content revealed enhancements in terms of rubber–filler interactions between the NR/EPDM matrix and GNPs. These findings were further supported by X-ray diffraction, differential scanning calorimetry, thermogravimetry analysis, and fracture morphology by scanning electron microscope.

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Metadaten
Titel
Effects of poly(ethyleneimine) adsorption on graphene nanoplatelets to the properties of NR/EPDM rubber blend nanocomposites
verfasst von
Jeefferie Abd Razak
Sahrim Haji Ahmad
Chantara Thevy Ratnam
Mazlin Aida Mahamood
Noraiham Mohamad
Publikationsdatum
01.10.2015
Verlag
Springer US
Erschienen in
Journal of Materials Science / Ausgabe 19/2015
Print ISSN: 0022-2461
Elektronische ISSN: 1573-4803
DOI
https://doi.org/10.1007/s10853-015-9188-5

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