Topic
Silicone rubber
About: Silicone rubber is a research topic. Over the lifetime, 16569 publications have been published within this topic receiving 132667 citations. The topic is also known as: silicone elastomer & silicone elastomers.
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TL;DR: The protein-resistant properties of the PEO-modified surfaces were demonstrated by measuring the adsorption of fibrinogen from both buffer and plasma, and adhesion to silicone rubber was reduced by more than 90% compared with controls.
226 citations
Patent•
13 Mar 1997
TL;DR: In this article, a polymer-coated stent is used to lock the crossover points and prevent free motion of the stent wires relative to each other in order to enhance the hoop strength of a polymer coated stent.
Abstract: Stents are coated with a polymer such that the polymeric coating binds the crossover points of the wires, or, in the case of a zig-zag stent, binds adjacent zig-zags of wires without occluding the interstices of the stent lattice. Suitable polymers include polyurethane, polycarbonate urethane, polyurethane urea, silicone rubber, polyisobutylene copolymer (with styrene, etc.), polyolefin, polyester, glycolated polyester, polyamide, amorphous polyamide, combinations of the above and the like. Biodegradable polymers such as polyisobuterate, polyvalerate, polylactic acid, polyglycolic acid and combinations of these are also suitable. The polymer can be reacted in place without a solvent, such as two component polyurethanes, or silicone rubbers, or the reacted polymer can be dissolved in an appropriate solvent, for example, dimethylacetamide for the polyurethanes, toluene for the polyolefins, or heptane for the silicone rubbers. In order to enhance bonding of the polymer to the stent wires, the metallic stent can be primed prior to coating. The hoop strength of a polymer coated stent is improved due to locking of the crossover points and preventing free motion of the stent wires relative to each other.
222 citations
TL;DR: In this paper, a theoretical model to determine the effect of dry band discharges on material performance was presented, and good agreement between the predicted behavior and the experimental findings was shown.
Abstract: The materials evaluated in fog produced from low (250 mu s/cm) and high (1000 mu s/cm) conductivity water include cylindrical rod samples of high-temperature-vulcanized silicone rubber and ethylene-propylene-diene monomer rubber (EPDM) containing various amounts of either alumina trihydrate or silica fillers, or both. Comparison is made with material performance results obtained with AC, which was reported in an earlier study. In both low- and high-conductivity fog, the time to failure with AC and +DC was very similar, but a reduction by a factor of about four was observed in the time to failure with -DC. For both AC and DC, silicone rubber performed better than EPDM samples in low-conductivity fog, while the order of performance was reversed in high-conductivity fog. A theoretical model to determine the effect of dry band discharges on material is presented. Good agreement between the predicted behavior and the experimental findings is shown. >
222 citations
TL;DR: It is concluded that polymer brush-coatings strongly reduce initial adhesion of staphylococci and delay their biofilm growth, and are more viable and easily removed by the application of fluid shear.
218 citations
01 Jan 1983
TL;DR: In this paper, total internal reflection fluorescence (TIRF) was used to examine the adsorption of bovine serum albumin and fibrinogen on crosslinked polydimethylsiloxane (silicone rubber) surfaces from flowing solutions.
Abstract: Total internal reflection fluorescence (TIRF) is used to examine the adsorption of bovine serum albumin (BSA) and bovine fibrinogen on crosslinked polydimethylsiloxane (silicone rubber) surfaces from flowing solutions. By comparing experimentally observed adsorption rates with the predictions of a convection/diffusion model, it is shown that the adsorption of both BSA and fibrinogen on silicone rubber is diffusion-controlled over the range of solution concentrations (0.01
217 citations