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In this study, the space charge behaviors of the blend polymers of low-density polyethylene (LDPE) and polypropylene copolymer were investigated by the pulsed electro-acoustic method (PEA) with the electrode system of aluminium/specimen/semiconductive layer. The blend specimen composed by 90wt% LDPE and 10wt% polypropylene copolymer (B10) showed a larger amount of space charge than pure LDPE (PE)...
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