Liquid permeation into silicone rubber (SR) may lead to the degradation or complete failure of composite insulators. Aiming inhibit liquid permeation, two kinds superhydrophobic coatings are applied SR surface. The properties with different types liquids investigated, and Langmuir diffusion model is analyse experimental data. results show that coating can effectively by reducing contact area be...

The rubber-producing tree, Ficus elastica (the Indian rubber tree), requires the same substrates for rubber production as other rubber-producing plants, such as Hevea brasiliensis (the Brazilian or Para rubber tree), the major source of commercial natural rubber in the world, and Parthenium argentatum (guayule), a widely studied alternative for natural rubber production currently under commerci...

We study the leakage of air in syringes with Teflon coated rubber stopper and glass barrel. The leakrate depends on interfacial surface roughness, viscoelastic properties elastoplastic coating. measured rates are compared to predictions a simple theory for gas flow, which takes into account both diffusive ballistic multiscale contact mechanics determines probability distribution separations. sh...

Effect of different fillers on natural rubber compounds was investigated through curing, mechanical properties and morphology studies for improving mechanical performance of rubber articles. In this work, natural rubber blends with Silica as Single-filler compounds, and blends with Silica and Carbon black as Bi-filler compounds were considered. Then, natural rubber blends with Silica, Carbon bl...

Absorption determined by mass transfer in the liquid is described well with the Graetz-L&&que equation adapted from heat transfer. The influence of a chemical reaction on the mass transfer was simulated with a numerical model and tested on the absorption of CO2 in a hydroxide solution. Absorption determined by mass transfer in the gas phase and the pores of the membrane was also analysed experi...

Since thick snow or ice adhering to the surface of an antenna used for radio communication can impede telecommunication [1], methods to reduce the buildup of snow and ice are needed. Various methods have been investigated. For example, the adhesion of ice to common rubber has been measured [2], and recently, a method that takes advantage of the physicochemical properties of material surfaces ha...

in some special cases, rubber compounds with high amounts of unsaturated elastomer are recommended with organic sulfur donors instead of mineral sulfurs. in this condition, activated sulfur is produced in situ and curingprocess is facilitated without accelerators. organic sulfur donor compounds have low thermal stability and in the vulcanization temperature produce free and activated sulfurs. t...

Silicone rubber (SR) is a common soft tissue filler material used in plastic surgery. However, it presents a poor surface for cellular adhesion and suffers from poor biocompatibility. In contrast, hydroxyapatite (HA), a prominent component of animal bone and teeth, can promote improved cell compatibility, but HA is an unsuitable filler material because of the brittleness in mechanism. In this s...