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

Abd Razak, Jeefferie and Haji Ahmad , Sahrim and Ratnam, Chantara Thevy and Mahamood, Mazlin Aida and Lau, K.T. and Ab Maulod, Hairul Effendy and Munawar, Rose Farahiyan and Mohamad, Noraiham (2015) Non-covalent polymeric wrapping of IGEPAL C0890 for graphene nanoplatelets (GNPs-C0890) filled NR/EPDM rubber blend nanocomposites. Applied Mechanics and Materials, 761. pp. 385-390. ISSN 1660-9336 (In Press)

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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.

Item Type: Article
Uncontrolled Keywords: surface modification, rubber-filler interaction, non-covalent, GNPs, tensile properties
Subjects: T Technology > TS Manufactures
Q Science > QD Chemistry
Q Science > QC Physics
Divisions: Faculty of Manufacturing Engineering > Department of Engineering Materials
Depositing User: En. Jeefferie Abd Razak
Date Deposited: 21 May 2015 09:10
Last Modified: 28 May 2015 04:38
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