Evolution of Space Charges and Conductivity with DC Aging of Polyethylene-Synthetic and Natural Clay Composites

Table 1

PNC compositions for both sets of tested specimens. Synthetic for NPC filled with nanoclays from Topy and natural for PNC filled with Cloisite 20A.

Given name	PP (%)	Antioxidants (%)	Compatibilizer (%)	Nanoclay
				(%)	Type
PP1-0%	82.4	0.2	17.4	0	—
PP2-0%	87.0	0.2	12.8	0	—
PP1-S1%	81.6	0.2	17.2	1	Synthetic
PP1-S2%	80.7	0.2	17.1	2	Synthetic
PP1-S4%	79.1	0.2	16.7	4	Synthetic
PP1-S8%	75.8	0.2	16	8	Synthetic
PP2-N2%	85.3	0.2	12.5	2	Natural
PP2-N6%	81.8	0.2	12	6	Natural