Improving the Dispersity and DC Breakdown of MgO/LDPE Nanocomposite by Adding EVA

Hong Zhao; Si Yuan Peng; Jia Ming Yang

doi:10.4028/www.scientific.net/AMR.833.339

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 833Improving the Dispersity and DC Breakdown of...

Improving the Dispersity and DC Breakdown of MgO/LDPE Nanocomposite by Adding EVA

Abstract:

To improve the agglomerate phenomena of polarity nanosized MgO-filler in non-polar low density polyethylene (LDPE) matrix, in the composite (MgO/LDPE) master batch preparation process, adding a certain amount of ethylene-vinyl acetate copolymer (EVA), in order to improve the compatibility of nanoparticles and matrix materials. The dispersion states of MgO in the MgO/LDPE and EVA/MgO/LDPE composite material was evaluated by using scanning electron microscope (SEM), results shown that compared with MgO/LDPE nanocomposite, the dispersion of EVA modified MgO/LDPE is better and the agglomerate phenomena is not seen. DC breakdown tests shown that EVA modified MgO/LDPE compared with other several kinds of materials (LDPE; EVA/LDPE; MgO/LDPE and EVA/MgO/LDPE); the DC breakdown strength has improved significantly.

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Periodical:

Advanced Materials Research (Volume 833)

Pages:

339-342

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.833.339

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Online since:

November 2013

Authors:

Hong Zhao, Si Yuan Peng, Jia Ming Yang

Keywords:

DC Breakdown, Dispersity, EVA, LDPE, MgO, Nanocomposite

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