نتایج جستجو برای: silicone rubber

تعداد نتایج: 25799  

2017
Shira Sheen Ophir Asaf Friehmann Alexander Rubowitz

BACKGROUND This study compared axial length changes induced by circumferential scleral buckling using a silicone sponge with literature reports for solid silicone rubber. METHODS Records of patients treated with scleral buckling in 2009-2013 using a silicone sponge, with preoperative axial length biometry measurements were reviewed. Additional information included age, type of surgery, additi...

2017
Xishan Wen Xiaoqing Yuan Lei Lan Lu Hao Yu Wang Shaodong Li Hailiang Lu Zhenghong Bao

Room temperature vulcanized (RTV) silicone rubber is extensively used in power system due to its hydrophobicity and hydrophobicity transfer ability. Temperature has been proven to markedly affect the performance of silicone rubbers. This research investigated the degradation of RTV silicone rubber under temperature cycling treatment. Hydrophobicity and its transfer ability, hardness, functional...

Journal: :veterinary research forum 2012
saeed azizi rahim mohammadi keyvan amini roza fallah kiana karegar

despite promising results observed using silicone rubber chamber, no previous comprehensive work was performed on behavior of the conduit. present study aimed at further functional, histomorphometrical and immunohistochemical assessment of nerve regeneration in the same animal along a 10-mm rat sciatic nerve gap. fifty- four male wistar rats were divided into three experimental groups (n = 18),...

2016
Arshad Azam Nekahi Scott G. McMeekin Masoud Farzaneh

Silicone rubber insulators are replacing the conventional ceramic and porcelain insulators rapidly in power transmission and distribution industry. Very limited field knowledge is available about the performance of silicone rubber insulators in polluted and contaminated environments and therefore need further investigation. A comprehensive analysis of silicone rubber sheets (intended for coatin...

Journal: :Journal of dentistry 2003
Tariq Aziz Mark Waters Robert Jagger

OBJECTIVES Good wettability of maxillofacial prosthetic materials is important so that a lubricating layer is formed with supporting tissues thus reducing patient discomfort. The purpose of the study was to surface modify an experimental silicone rubber material in order to improve wettability. METHODS Samples of experimental silicone rubber were surface modified by first argon plasma treatme...

Journal: :AJNR. American journal of neuroradiology 1984
M H Johnson G S Smyser G J De Filipp S W Wong

The use of silicone rubber implants for repair of retinal detachments has become a common mode of therapy in recent years. Medical-grade silicone rubber is nonallergenic, easily cut to an appropriate size with scissors, and does not support bacterial growth. Several patients with these implants were studied recently by computed tomography. The characteristic computed tomographic appearances of ...

2017
Ang Ren Hongshun Liu Jianchun Wei Qingquan Li Vijay Kumar Thakur

Anti-pollution flashover of insulator is important for power systems. In recent years, haze-fog weather occurs frequently, which makes discharge occurs easily on the insulator surface and accelerates insulation aging of insulator. In order to study the influence of haze-fog on the surface discharge of room temperature vulcanized silicone rubber, an artificial haze-fog lab was established. Based...

Journal: :Prosthetics and orthotics international 1985
D A Boot N J Young

Silicone rubbers and casting tapes individually have previously been used in the manufacture of sockets (Swanson, 1972; Sweitzer, 1973; Ruder, 1977; Graves, 1980; Aqualite, 1982). The authors believe that the present combination of these materials to manufacture a directly moulded socket with a complete silicone rubber lining of variable thickness has not previously been described. The new sock...

2011
G. Momen M. Farzaneh

Among the new insulating materials widely used in high-voltage outdoor insulation, silicone rubber has received the most attention. Indeed, silicone rubbers are gaining in popularity as an effective counter-measure to insulator contamination problems. However, pure silicone rubber shows little tracking and erosion resistance. So, some properties of silicone rubber need to be improved to extend ...

Journal: :Materials science & engineering. C, Materials for biological applications 2014
T Rey J-B Le Cam G Chagnon D Favier M Rebouah F Razan E Robin P Didier L Heller S Faure K Janouchova

This paper deals with composite structures for biomedical applications. For this purpose, an architectured tubular structure composed of Nickel Titanium (NiTi) Shape Memory Alloy (SMA) and silicone rubber was fabricated. One of the main interests of such structures is to ensure a good adhesion between its two constitutive materials. A previous study of the authors (Rey et al., 2014) has shown t...

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