Improvement of mechanical, morphological and thermal properties on PP-enriched graphene oxide/PP-g-MA/EPDM blend compatibilized: PP-g-MA compatibilizer and graphene oxide nanofiller role

Azizli, Mohammad Javad; Barghamadi, Mohammad; Rezaeeparto, Katayoon; Parham, Somayeh

doi:10.1007/s10965-022-03182-4

Cited by 12 publications

(10 citation statements)

References 41 publications

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“…This bonding enhances the interaction between CNC and the polymeric phase, ultimately reducing interfacial tension and enhancing interfacial adhesion, thereby contributing to improved mechanical properties 31,32 . Previous studies have similarly demonstrated that interfacial compatibilizers, such as MA‐grafted linear low‐density polyethylene or EPDM, can enhance the interaction of nanoparticles with the polymeric phase 33,34 . This study explores the mechanical, rheological, and crystallinity properties of PP/EPDM TPVs incorporating CNC and interfacial compatibilizers, examining their relationship with morphology.…”

Section: Introductionmentioning

confidence: 94%

Dynamically vulcanized CNC‐reinforced thermoplastic elastomer based on PP/EPDM: Morphology and mechanical properties control via interfacial compatibilization

Oyarhoseini,

Katbab,

Abdi

2024

Polymer Engineering & Sci

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In this study, dynamically vulcanized thermoplastic elastomer nanocomposites consisting of polypropylene (PP) as the thermoplastic matrix, ethylene propylene diene monomer (EPDM) rubber as the dispersed phase, and needle‐like cellulose nanocrystals (CNC) were investigated. The two polymers were melt blended in a ratio of 70/30 (PP/EPDM) and 60/40% w/w (PP/EPDM) together with CNC (2, 3, and 5 phr) and sulfur‐curing system. The potential of EPDM‐g‐MA and PP‐g‐MA's as interfacial compatibilizers for enhancing interfacial interactions between components and partitioning of CNC between the two polymer phases was examined by measuring the decrease in the size of EPDM particles. The resulting thermoplastic vulcanizates (TPV) were characterized using a melt rheometric mechanical spectrometer (RMS), scanning electron microscopy (SEM), differential scanning calorimetry (DSC), and tensile tests. The inclusion of any type of interfacial compatibilizers led to enhanced tensile properties when compared to the samples lacking compatibilizers in both TPVs and TPEs in different ratios. EPDM‐g‐MA was found to be more effective for 60/40% w/w (PP/EPDM) TPVs, while PP‐g‐MA showed higher potential for 70/30% w/w TPVs. The CNC‐reinforced TPVs displayed higher melt elasticity than their unloaded counterparts. These nanocomposites also showed reduced EPDM particle size, enhanced Young modulus, and a higher degree of crystallinity.Highlights Nanocomposite thermoplastic vulcanizates (TPVs): polypropylene (PP)/ethylene propylene diene monomer (EPDM)/cellulose nanocrystals (CNC) with matrix‐dispersed morphology. Interfacial enhancement: Compared EPDM grafted maleic anhydride (EPDM‐g‐MA) and PP‐g‐MA potentials. Tensile properties: EPDM‐g‐MA is more effective in higher rubber content TPVs. Mechanical enhancements: Improved properties and Young's modulus in CNC‐filled TPVs. Diverse applications: PP/EPDM/CNC nanocomposites in auto, electrical, electronic, and packaging industries.

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Section: Introductionmentioning

confidence: 94%

Dynamically vulcanized CNC‐reinforced thermoplastic elastomer based on PP/EPDM: Morphology and mechanical properties control via interfacial compatibilization

Oyarhoseini,

Katbab,

Abdi

2024

Polymer Engineering & Sci

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“…In other work, to improve the dispersion of graphene oxide and the compatibility of polypropylene with ethylene-propylene rubber (EPDM), polypropylene (PP) was strengthened by employing graphene oxide. Next, a PP-g-MA compatibilizer was utilized [35]. The aim of that research was to obtain a better blend composition.…”

Section: Graphene-based Nanocompositesmentioning

confidence: 99%

Thermal and Mechanical Properties of Nano-Carbon-Reinforced Polymeric Nanocomposites: A Review

Latif,

Ali,

Lee

et al. 2023

J. Compos. Sci.

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Carbon nanomaterials are an emerging class of nano-reinforcements to substitute for metal-based nanomaterials in polymer matrices. These metal-free nano-reinforcement materials exhibit a high surface area, thermal stability, and a sustainable nature. Compared to conventional reinforcements, nano-carbon-reinforced polymer composites provide enhanced mechanical and thermal properties. While previous reviews summarized the functionality of nanocomposites, here, we focus on the thermomechanical properties of nano-carbon-reinforced nanocomposites. The role of carbon nanomaterials, including graphene, MXenes, carbon nanotubes, carbon black, carbon quantum dots, fullerene, and metal–organic frameworks, in polymer matrices for the enhancement of thermal and mechanical properties are discussed. Different from metal-based nanomaterials, carbon nanomaterials offer high specific strength, abundance, and sustainability, which are of considerable importance for commercial-scale applications.

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“…The blending of propylene-based elastomers, such as propylene-ethylene copolymer, to PP, also resulted in degraded electrical strength of the final blend, albeit that the mechanical modulus and elasticity became improved [9]. Notably, although these blends offer sufficiently enhanced brittle-ductile behavior appropriate for cable insulation applications, most of them are deficient in terms of their electrical performances [10,11].…”

Section: Introductionmentioning

confidence: 99%

Effects of nanomagnesia and polypropylene-graft-maleic anhydride on the dielectric breakdown properties of polypropylene/ethylene propylene diene monomer blend

Johari,

Lau,

Abdul Malek

et al. 2024

Phys. Scr.

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Thermoplastic polypropylene (PP) has garnered a significant attention in power cable insulation research because of its exceptional thermal tolerance and dielectric properties. Due to its poor impact strength at room temperature, PP has been blended with various elastomers, including ethylene-propylene-diene monomer (EPDM), to improve the mechanical stiffness of the final material. This, however, comes with compromised dielectric properties of the material. Recently, the addition of nanofillers to polymers has demonstrated promising properties that can be tailored for various dielectric applications, provided that nanofiller and polymer interactions are appropriately formulated. Nevertheless, the effect of nanostructuration in PP/elastomer blends, especially from the perspective of dielectrics, have yet to be systematically explored. In the current work, magnesia (MgO) nanofiller is added to a model PP/EPDM blend system to determine the effect of MgO on the breakdown properties of PP/EPDM. The results show that adding 0.5 wt% of MgO to PP/EPDM reduces the AC and DC breakdown strengths by 7% and 16%, respectively. As the amount of MgO increases to 3 wt%, the AC and DC breakdown strength reduces further by 25% and 29%, respectively. Significantly, appropriate modification of the nanocomposites with polypropylene-graft-maleic anhydride (PP-g-MAH) can result in 5% higher breakdown strength of the nanocomposites with respect to comparable nanocomposites without modification. The mechanisms surrounding these breakdown effects are discussed with the aid of materials structure interpretations. Overall, the results demonstrate that appropriate modification of nanocomposites with PP-g-MAH is crucial in tailoring breakdown properties of PP blend nanocomposites.

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Improvement of mechanical, morphological and thermal properties on PP-enriched graphene oxide/PP-g-MA/EPDM blend compatibilized: PP-g-MA compatibilizer and graphene oxide nanofiller role

Cited by 12 publications

References 41 publications

Dynamically vulcanized CNC‐reinforced thermoplastic elastomer based on PP/EPDM: Morphology and mechanical properties control via interfacial compatibilization

Dynamically vulcanized CNC‐reinforced thermoplastic elastomer based on PP/EPDM: Morphology and mechanical properties control via interfacial compatibilization

Thermal and Mechanical Properties of Nano-Carbon-Reinforced Polymeric Nanocomposites: A Review

Effects of nanomagnesia and polypropylene-graft-maleic anhydride on the dielectric breakdown properties of polypropylene/ethylene propylene diene monomer blend

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