Non-covalent polymeric wrapping of IGEPAL C0890 for graphene nanoplatelets (GNPs-C0890) filled NR/EPDM rubber blend nanocomposites

Non-covalent polymeric wrapping of IGEPAL C0890 for graphene nanoplatelets (GNPs-C0890) filled NR/EPDM rubber blend nanocomposites

Abstract. Graphene nanoplatelets (GNPs) surface modification was performed by using a simplified dual-action of ultrasonication and high speed mechanical shearing. This approach induced a non-covalent polymeric wrapping interaction between GNPs surfaces with IGEPALC0890 (ethoxylated nonyl phenol...

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Bibliographic Details
Main Authors: Abd Razak, Jeefferie, Haji Ahmad , Sahrim, Ratnam, Chantara Thevy, Mahamood, Mazlin Aida, Lau, K.T., Ab Maulod, Hairul Effendy, Munawar, Rose Farahiyan, Mohamad, Noraiham
Format: Article
Language:English
Published: Trans Tech Publications 2015
Subjects:
TS Manufactures
QD Chemistry
QC Physics
Online Access:http://eprints.utem.edu.my/id/eprint/14473/1/AMM.761.385.pdf
http://eprints.utem.edu.my/id/eprint/14473/
http://www.ttp.net/1660-9336.html
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Institution: Universiti Teknikal Malaysia Melaka
Language: English
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Summary:Abstract. Graphene nanoplatelets (GNPs) surface modification was performed by using a simplified dual-action of ultrasonication and high speed mechanical shearing. This approach induced a non-covalent polymeric wrapping interaction between GNPs surfaces with IGEPALC0890 (ethoxylated nonyl phenol with 40 moles ethylene oxide). Various characterization tools like FTIR, Raman spectroscopy, FESEM and TEM were utilized to confirm the success of the surface treatment. The efficacy and suitability of non-covalent treated GNPs-C0890 as nanofiller reinforcement and inorganic compatibilizer in NR/EPDM rubber blends were evaluated. Effects of GNPs-C0890 loading variation to the mechanical tensile properties and fracture morphologies of NR/EPDM nanocomposites rubber blend were studied. It is interesting to note that the GNPs-C0890 was not able to reinforce NR/EPDM blend at a higher loading addition (≥ 3.00 wt.%) due to the agglomeration and crosslinking retardation phenomena by phase separation. However, at a lower loading (≤ 1.00 wt.%), the blend strengthening effects promise the improvement at about 64.55% of tensile strength and 14.20% of elongation percentage as compared than unfilled NR/EPDM blend. Obvious fractured morphological changes due to the absence and presence of GNPs provide hints on the role of GNPs treatment in effecting the NR/EPDM rubber blend mechanical properties.

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