Use of rhenium-telluride and rhenium-gadolinium compounds as antistatic additives in polymer compositions

This article discusses the accumulation of electrostatic charges in polymeric materials, dust deposition and surface corrosion, as a result of which the disruption of electric current leads to mechanical destruction of the processed materials, as well as a number of measures to prevent this. We studied the antistatic, dielectric and mechanical characteristics of PASO-PEO block copolymers with different PEO content (up to 56%), both without and with the additive Re3Gd. The block copolymer polyarenylsulfone oxide (PASO) - polyethylene oxide (PEO) has the best combination of antistatic, dielectric and mechanical properties with a PEO content of 20 wt.%. It can be considered that the optimal content of the GdRe3 additive in the PASO - 20 wt.% PEO block copolymer is 0.5 wt.%, and the limiting values of the additive are within 0.1 and 1 wt.%. However, even with the introduction of 20 wt.% PEO and 5 wt.% Re2Te into PASO, its tgδ increases only 5 times, and the dielectric constant only 1.5 times, i.e. the dielectric characteristics of the material remain acceptable for operation.