Results 221 to 230 of about 99,886 (275)
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Silicone elastomers for reduced protein adsorption
Biomaterials, 2004Monofunctional poly(ethylene oxide) polymers of molecular weight (MW) 350, 750, and 2000, respectively, were modified with Si(OEt)3 groups. These polymers underwent classic condensation cure with hydroxy-terminated silicone polymers and Si(OEt)4 to give composites with poly(ethylene oxide) (PEO) rich surfaces under aqueous conditions, as shown by ...
Hong, Chen +2 more
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Thyroplasty Using A Silicone Elastomer Implant
Otolaryngologic Clinics of North America, 1995Silicone has been used in a variety of forms as a replacement for soft tissue for more than three decades in the United States. The safety of this practice has come under scrutiny recently as our knowledge of the local, systemic, and immune effects of silicone has expanded. Contrary to what was once thought, silicone is not biologically inert. Silicone
P D, Righi, K M, Wilson, J L, Gluckman
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Softness Evaluation of Silicone Elastomers
Chemistry Letters, 2011Abstract We evaluated the softness of various silicone elastomers installed on a tactile evaluation system. The softness of the elastomers was reflected by the vertical force when subjects pushed the elastomers with their fingers. The moving behavior depended on the elastic properties of the contacted objects; namely, a pushing pattern ...
Yoshimune Nonomura +3 more
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History of Silicone Elastomers
1986In a little more than 40 years silicone elastomers have emerged from laboratory curiosities to a broad family of synthetic, largely inorganic, materials useful in a wide variety of applications. Key discoveries in the development of silicone elastomer technology, including monomer synthesis and polymerization, crosslinking and reinforcement of the ...
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Silicone Elastomer Implantation Cyclodialysis
Archives of Ophthalmology, 1973Five eyes with severe secondary angleclosure glaucoma were operated upon using the silicone elastomer (Silastic) implantation cyclodialysis procedure. It was not possible to thereby significantly reduce the intraocular pressure except for one eye, which also underwent a cyclodiathermy.
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Oxidation of Silicone Elastomer Finger Joints
The Journal of Hand Surgery, 2007We analyzed the oxygen content of 19 retrieved implants and 6 packaged implants to further understand the mechanism of degradation of silicone elastomer finger joints while in vivo.Nineteen Swanson (Wright Medical Technology, Arlington, TN) silicone elastomer finger joints were retrieved at revision surgery at an average of 7 years of use. Six packaged
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Complications of Silicone Elastomer Prostheses
JAMA: The Journal of the American Medical Association, 1977ABSTRACT To the Editor.— I am writing in response to the article "Silicone Lymphadenopathy and Synovitis" by Christie, Weinberger, and Dietrich (237:1463, 1977). The authors described a socalled "detritic synovitis" associated with silicone particles around finger joint implants and also two cases of single lymph node involvement with what appeared to ...
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Silicone Elastomers - Clear as Glass
SAE Technical Paper Series, 2012<div class="section abstract"><div class="htmlview paragraph">Highly transparent, UV and heat-resistant, yet flexible and injection-moldable - these are the characteristics of the new, heat curable liquid silicone rubbers (LSR) which supplement the range of established materials used in lighting applications.</div><div class ...
Alexandre Pontes, Heiko Bayerl
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Porosity and color of maxillofacial silicone elastomer.
Journal of prosthodontics : official journal of the American College of Prosthodontists, 2011Prosthesis color production and stability as a result of pore entrapment during mixing has not been investigated for maxillofacial silicone prostheses. The purpose of this study was to investigate pore numbers and percentages of a maxillofacial silicone elastomer mixed by two different techniques, using X-ray microfocus computerized tomography (Micro ...
Hatamleh, Muhanad M. +1 more
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DEVELOPMENT OF FLUORO-SILICONE ELASTOMERS
1955Abstract : The preparation of a homopolymer from 3,3,3-trifluoro-propylmethyldichlorosilane has been accomplished on a small scale. Experimental conditions have been studied for the re action of trichlorosilane and methyldichlorosilane with olefins. For hydrocarbon olefins, the best yield of addition product was obtained at 2500 C without a peroxide ...
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