Environmentally friendly polypropylene/thermoplastic elastomer composites with modified graphene oxide for HVDC application

Zha, Jun‐Wei; Yan, Hongda; Li, Weikang; Dang, Zhi‐Min

doi:10.1109/tdei.2018.007006

Cited by 21 publications

(12 citation statements)

References 22 publications

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“…In Fig. 2 b, the conductivity increases exponentially as the temperature rises, the trend of which has been observed and well explained by many other researchers 31 – 33 . In Fig.…”

Section: Resultssupporting

confidence: 85%

Evaluation of graphene/crosslinked polyethylene for potential high voltage direct current cable insulation applications

Zhu

Zhou

et al. 2021

Sci Rep

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This paper evaluates the potential usage of graphene/crosslinked polyethylene (graphene/XLPE) as the insulating material for high voltage direct current (HVDC) cables. Thermal, mechanical and electrical properties of blends with/without graphene were evaluated by differential scanning calorimetry (DSC), tensile strength, DC conductivity, space charge measurements and water tree aging test. The results indicate that 0.007–0.008% weight amount of graphene can improve the mechanical and electrical insulation properties of XLPE blends, namely higher tensile/yield strength, improved space charge distribution, and shorter/fewer water tree branches. The improvements mainly attribute to the high stiffness of graphene, deep traps introduced by the interaction zones of graphene and XLPE, and the blockage effect of graphene within XLPE. For thermal performance of XLPE blends, graphene nano-fillers have but limited improvement. The crystallinity of the blends barely changes with the addition of graphene. However, the crosslinking degree increases as the additive-like amounts of graphene doped. The above findings provide a guide for tailoring lightweight XLPE materials with excellent mechanical and electrical performances by doping them with a small amount of graphene.

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“…In Fig. 2 b, the conductivity increases exponentially as the temperature rises, the trend of which has been observed and well explained by many other researchers 31 – 33 . In Fig.…”

Section: Resultssupporting

confidence: 85%

Evaluation of graphene/crosslinked polyethylene for potential high voltage direct current cable insulation applications

Zhu

Zhou

et al. 2021

Sci Rep

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“…The dielectric properties of nanocomposites also depend on the geometry of nanofillers. Beside 0D nanofillers, 1D and 2D nanofillers are also incorporated into PP for tailoring its dielectric properties [79][80][81][82][83][84][85][86][87]. Since the anisotropy of 1D and 2D nanofillers is different from 0D, they result in different interface adhesions.…”

Section: Effect Of Nanofiller Morphologymentioning

confidence: 99%

Polypropylene‐based nanocomposites for HVDC cable insulation

Adnan

Abdul‐Malek

Lau

et al. 2021

IET Nanodielectrics

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Cross‐linked polyethylene (XLPE) is commonly used as an insulation material in power cables. Due to the recent advancements in the field of high voltage power transmission and distribution, there is a need for novel cable insulation materials that have high performance, recyclability and high working temperature as alternatives for the conventional XPLE‐based insulation materials. Polypropylene (PP) shows excellent properties and has drawn considerable attention as a potential high voltage direct current (HVDC) insulation material. Therefore, the development of PP‐based HVDC cable insulation with improved electrical, thermal and mechanical properties is important in discovering a potentially recyclable cable insulation material. Due to the remarkable development in the field of nanodielectrics, nanotechnology can be a promising solution for enhancing the overall dielectric properties of PP‐based insulation materials. This review presents the important aspects of PP‐based nanocomposites for HVDC cable insulation with a special focus on understanding the effects of various parameters of nanofillers on the dielectric properties of PP‐based HVDC cable insulation. Based on the gathered information, future perspectives for improving the dielectric properties of PP‐based nanocomposites for HVDC cable are provided.

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“…[ 9–11 ] One of these forms is the blending of thermoplastic elastomers (TPE) to polypropylene, the first having low elastic modulus, high elongation, good impact toughness, and compatibility with polyolefins depending on their chemical structure. [ 12–19 ]…”

Section: Introductionmentioning

confidence: 99%

“…[ 11,12 ] However, with the addition of an element to perform a property transformation, it generally happens that other properties are also modified, requiring a balance between the pros and cons. [ 13–15 ]…”

Section: Introductionmentioning

confidence: 99%

Flexible, High‐Density and Water‐Resistant Polypropylene/Thermoplastic Elastomer/Inorganic Fillers Composites

Barbosa

Blanco

Ambrósio

2020

Macromolecular Symposia

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This work is aimed at preparing composites from polypropylene (PP) and ethylene‐octene copolymer (thermoplastic elastomer ‐ TPE) blends with different fillers (talc, mica, and barium sulfate). Characterizations of ash content, melt flow index, density, flexural and tensile properties, impact resistance, hardness, moisture content, and water absorption are realized. The development of these composites intent to obtain materials with higher density and flexibility than PP, pursuing applications in outdoor, high humidity, or immersion in fluids. Interesting results are obtained, mainly with the use of barium sulfate, which increased the density of PP by 45% with the addition of 12 vol.%. Besides the fillers, the addition of TPE is effective in reducing the stiffness and improving the impact toughness, making possible the filler addition without flexibility losses. In this case, the barium sulfate composites showed flexural modulus close to PP/TPE modulus and impact strength superior to pure PP and PP/TPE blend. The composites moisture content and water absorption also show better results from barium sulfate samples, indicating this filler as a great component to composites that pursues high density, flexibility maintenance, and capable to work in the presence of water.

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Environmentally friendly polypropylene/thermoplastic elastomer composites with modified graphene oxide for HVDC application

Cited by 21 publications

References 22 publications

Evaluation of graphene/crosslinked polyethylene for potential high voltage direct current cable insulation applications

Evaluation of graphene/crosslinked polyethylene for potential high voltage direct current cable insulation applications

Polypropylene‐based nanocomposites for HVDC cable insulation

Flexible, High‐Density and Water‐Resistant Polypropylene/Thermoplastic Elastomer/Inorganic Fillers Composites

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