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Space charge properties of LDPE-based composites with three types of POSS

Space charge properties of LDPE-based composites with three types of POSS
Space charge properties of LDPE-based composites with three types of POSS
Polyethylene has been widely used as the insulation material in power cables. POSS (Polyhedral Oligomeric SilSesquioxanes) is a type of filler that may improve the properties of polyethylene. In this paper, space charge characteristics of low density polyethylene (LDPE) based composites containing three different unreactive POSS have been studied. The three unreactive POSS are OmPOSS (OctaMethyl POSS), OibPOSS (OctalsoButyl POSS) and IoPOSS (IsoOctyl POSS). It has been found that the charge injection threshold field of neat LDPE is higher than that of three POSS composites. The different charge dynamics under higher applied voltage in the neat LDPE and three POSS composites show that the charge mobility, trap density, trap depth, recombination between opposite sign of charge are different. This helps us to understand how the structure of POSS affect polymer properties.
Space charge, Polyethylene, polyhedral oligomeric silsesquioxanes, Nanodielectrics, OibPOSS, IoPOSS, OmPOSS, PEA
679-682
IEEE
Xu, Zhiqiang
797f8b0e-a035-4cf9-ac3f-99098a3fdb50
Guo, Meng
4746a988-c82c-4129-bbb1-2c4b365ca71c
Frechette, Michel
3a87a0d8-2fa2-434b-b2f8-d9dd4b895f80
David, Eric
d210f179-06d4-438e-b4ad-a43aa6ffcf7e
Chen, George
3de45a9c-6c9a-4bcb-90c3-d7e26be21819
Xu, Zhiqiang
797f8b0e-a035-4cf9-ac3f-99098a3fdb50
Guo, Meng
4746a988-c82c-4129-bbb1-2c4b365ca71c
Frechette, Michel
3a87a0d8-2fa2-434b-b2f8-d9dd4b895f80
David, Eric
d210f179-06d4-438e-b4ad-a43aa6ffcf7e
Chen, George
3de45a9c-6c9a-4bcb-90c3-d7e26be21819

Xu, Zhiqiang, Guo, Meng, Frechette, Michel, David, Eric and Chen, George (2016) Space charge properties of LDPE-based composites with three types of POSS. In 2016 IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP). IEEE. pp. 679-682 . (doi:10.1109/CEIDP.2016.7785676).

Record type: Conference or Workshop Item (Paper)

Abstract

Polyethylene has been widely used as the insulation material in power cables. POSS (Polyhedral Oligomeric SilSesquioxanes) is a type of filler that may improve the properties of polyethylene. In this paper, space charge characteristics of low density polyethylene (LDPE) based composites containing three different unreactive POSS have been studied. The three unreactive POSS are OmPOSS (OctaMethyl POSS), OibPOSS (OctalsoButyl POSS) and IoPOSS (IsoOctyl POSS). It has been found that the charge injection threshold field of neat LDPE is higher than that of three POSS composites. The different charge dynamics under higher applied voltage in the neat LDPE and three POSS composites show that the charge mobility, trap density, trap depth, recombination between opposite sign of charge are different. This helps us to understand how the structure of POSS affect polymer properties.

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Published date: 16 October 2016
Keywords: Space charge, Polyethylene, polyhedral oligomeric silsesquioxanes, Nanodielectrics, OibPOSS, IoPOSS, OmPOSS, PEA

Identifiers

Local EPrints ID: 415973
URI: http://eprints.soton.ac.uk/id/eprint/415973
PURE UUID: 90c19674-2782-4481-9c85-089b61d9c63e
ORCID for Zhiqiang Xu: ORCID iD orcid.org/0000-0002-6640-7335

Catalogue record

Date deposited: 29 Nov 2017 17:30
Last modified: 18 Feb 2021 17:14

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Contributors

Author: Zhiqiang Xu ORCID iD
Author: Meng Guo
Author: Michel Frechette
Author: Eric David
Author: George Chen

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