Thioxanthone Derivatives as Stabilizers Against Electrical Breakdown in Cross-Linked Polyethylene for High Voltage Cable Applications
Artikel i vetenskaplig tidskrift, 2015

In the search of voltage stabilizers for high voltage underground cables the chemical synthesis and electrical tree inhibiting effect of a series of thioxanthone derivatives in cross-linked low-density polyethylene (XLPE) is reported. The strongest increase in electrical tree initiation field under high-voltage alternating current (HVAC) conditions was 55% compared to reference XLPE after the addition of 0.3 wt% 9-oxo-9H-thioxanthen-2-yl methacrylate. Thermal analysis, small angle X-ray scattering and gel content measurements showed that the addition of the stabilizers did not significantly influence the microstructure and gel fraction of XLPE. A comparison between the stabilizing effects of the thioxanthone derivatives and previously reported photophysical properties revealed that a short lifetime of the triplet excited state can be related to a good voltage-stabilizing effect.

thioxanthones

polymer degradation

electrical treeing

high voltage insulation

polyethylene

Författare

Harald Wutzel

Chalmers, Kemi och kemiteknik, Tillämpad kemi, Polymerteknologi

Markus Jarvid

Chalmers, Kemi och kemiteknik, Tillämpad kemi, Polymerteknologi

Jonas Mattiasson Bjuggren

Chalmers, Kemi och kemiteknik, Tillämpad kemi, Polymerteknologi

Anette Johansson

Chalmers, Material- och tillverkningsteknik, Högspänningsteknik

Villgot Englund

Innovation and Technology

Stanislaw Gubanski

Chalmers, Material- och tillverkningsteknik, Högspänningsteknik

Mats Andersson

Chalmers, Kemi och kemiteknik, Tillämpad kemi, Polymerteknologi

Polymer Degradation and Stability

0141-3910 (ISSN)

Vol. 112 63-69

Styrkeområden

Energi

Materialvetenskap

Ämneskategorier

Kemiteknik

DOI

10.1016/j.polymdegradstab.2014.12.002

Mer information

Senast uppdaterat

2018-09-06