Performance of RTV silicone rubber coatings installed in coastal systems

Siderakis, K.; Agoris, D.P.

doi:10.1016/j.epsr.2007.02.013

Cited by 40 publications

(24 citation statements)

References 16 publications

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“…Influence of carbon nanoparticles (100 run) on both AC and DC conductivity of the epoxy resin has been reported recently [78]. The authors showed that conductivities (AC and DC) increased with the increase in the amount of carbon nanoparticles in the epoxy resin.…”

Section: Review Of Nanoparticles Incorporated In Silicone Rubbermentioning

confidence: 89%

“…Although the research on particle-doped RTV silicone rubber coatings is quite extensive [68,72,[77][78][79], the information on their water-repellent and ice-releasing properties is very scarce. While RTV silicone rubber (RTV SR) coatings have been reported to reduce ice accumulation compared to uncoated insulators [77], previous work was mainly focused on electrical and mechanical properties of nanoparticleincorporated RTV SR coatings.…”

Section: Review Of Nanoparticles Incorporated In Silicone Rubbermentioning

confidence: 99%

“…One of the commonly used dielectric fillers is barium titanate (BaTiOs) [68,77,78]. Doping with carbon black nanopowder is expected to increase surface conductivity of RTV SR-coated insulators, which must lead to higher withstand voltage levels on such modified surfaces.…”

Section: Review Of Nanoparticles Incorporated In Silicone Rubbermentioning

confidence: 99%

“…The authors showed that conductivities (AC and DC) increased with the increase in the amount of carbon nanoparticles in the epoxy resin. Carbon nanoparticles-incorporated silicone rubber was used to coat high-voltage porcelain insulator for the flashover study of the ice-covered silicone coated insulators [78]. The coatings behaved as semiconducting glaze and increased the flashover voltage compared to the uncoated porcelain insulators [77].…”

Section: Review Of Nanoparticles Incorporated In Silicone Rubbermentioning

confidence: 99%

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Water and ice-repellent properties of nanocomposite coatings based on silicone rubber /

Arianpour¹

2010

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In cold-climate countries such as Canada, Norway, Russia, Finland, the USA, China and Japan, ice accumulation on power network equipment may cause serious problems resulting in power outages with socioeconomical consequences. This situation is caused roughly by mechanical line failures or insulator flashovers, involving several complex phenomena.Coating the surface of structures exposed to atmospheric icing with anti-icing materials can be an effective way to protect them against ice and snow adhesion and accretion. Coatings with water contact angle greater than 150° have been the subject of great interest during recent years. Such surfaces are called super-hydrophobic and are prepared by combining appropriate surface roughness with low surface energy.In the present work, flat and micro-/nano-rough water-repellent coatings based on silicone rubber incorporated with nanopowders of carbon-black, titania and ceria as dopants have been prepared and investigated. Such water-repellent coatings are potential candidates for protecting high-voltage equipment such as conductors and insulators.The water-repellent properties of the coatings were evaluated showing good incorporation of the dopant particles into silicone rubber. The anti-icing behaviour of the different coatings was studied under atmospheric icing conditions. Rough superhydrophobic coatings prepared with TiO2 and CeO2 nanoparticles of different dielectric constants ( TiO2.* ~80, CeC^: -60) resulted in reducing the ice adhesion strength of at least ~ 7 times compared to a mirror-polished aluminum sample and ~ 9 times compared to an as-received aluminum sample. IllFreezing behaviour of small water droplets was investigated on such nanostructured composite surfaces and compared with that on flat surfaces. At -15 °C, small water droplets were observed to freeze on polished Al after approximately 5 s, while their freezing was delayed to -12-13 min on super-hydrophobic nanocomposite surfaces. This is explained by the insulating properties of the rough surfaces which entrap a significant amount of air into their structure. Therefore, the coatings prepared show promise for industrial applications on high-voltage equipment, including insulators, since they can reduce ice accumulation, while also reducing the risk of flashover on overhead high-tension insulators. IV RésuméDans les pays à climat froid comme le Canada, la Norvège, la Russie, la Finlande, les États-Unis, la Chine et le Japon, l'accumulation de glace sur les équipements des réseaux électriques peut causer de sérieux problèmes résultant en des pannes d'électricité avec des conséquences socioéconomiques parfois désastreuses.

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Section: Review Of Nanoparticles Incorporated In Silicone Rubbermentioning

confidence: 89%

Section: Review Of Nanoparticles Incorporated In Silicone Rubbermentioning

confidence: 99%

Section: Review Of Nanoparticles Incorporated In Silicone Rubbermentioning

confidence: 99%

Section: Review Of Nanoparticles Incorporated In Silicone Rubbermentioning

confidence: 99%

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Water and ice-repellent properties of nanocomposite coatings based on silicone rubber /

Arianpour¹

2010

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“…One of the important example is that was used as anticontamination flashover coatings in the insulator of high voltage substation, which required a property of high strength, inflaming retarding, and insulativity imminently. Maybe it was because of the difference in application field, most of the researches were aimed at mechanical or hot resistance properties separately up to present 7–11…”

Section: Introductionmentioning

confidence: 99%

Thermal stability and mechanical properties of room temperature vulcanized silicone rubbers

Wang

Lei

et al. 2011

J of Applied Polymer Sci

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Based on much of the importance of RTV on the field of self‐cleaning application for its nontoxic, tasteless, and thermal stability, the effects of D4‐SiO2 on mechanical properties, Al(OH)3 and decabromodiphenyl oxide ethyl(DBDPE) on flame retardant property of RTV matrix were investigated firstly. Then, a new kind of complex fire retardants was compounded. The morphology of additives and fracture appearance of composites were demonstrated by SEM. The hot property of RTV‐based composites was outlined by TG. It is found that D4‐SiO2/Al(OH)3/DBDPE/Sb2O3/RTV composites were of better comprehensive performances in mechanical property, hot property, fire resistance property, and insulating property, which presented tear 26.73 kN/m of strength, 279.8% of elongation at break, 2.81 MPa of tensile strength, FV‐0 at the level of flame retardant property, 46 of Oxygen index (OI) 3.03 × 1015 Ωm of Volume electric resistivity, the range of decomposition temperature was 370°C to 650°C, and the percentage of remain weight was 26.4%. Those properties was acquired on the condition of 11 wt % D4‐SiO2 + 20 wt % Al(OH)3 + 15 wt % DBDPE+ Sb2O3 at the amount of 3.0 wt % to 3.7 wt %. This investigation leads the authors to a conclusion that D4‐SiO2/Al(OH)3/DBDPE/Sb2O3 is a kind of better combination modifier than anyone kind of which in comprehensive properties for RTV. © 2011 Wiley Periodicals, Inc. J Appl Polym Sci, 2011

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Room Temperature Vulcanized Silicone Rubber Coatings: Application in High Voltage Substations

Siderakis

Pylarinos

2014

Concise Encyclopedia of High Performance Silicones

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Performance of RTV silicone rubber coatings installed in coastal systems

Cited by 40 publications

References 16 publications

Water and ice-repellent properties of nanocomposite coatings based on silicone rubber /

Water and ice-repellent properties of nanocomposite coatings based on silicone rubber /

Thermal stability and mechanical properties of room temperature vulcanized silicone rubbers

Room Temperature Vulcanized Silicone Rubber Coatings: Application in High Voltage Substations

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