نتایج جستجو برای: silane coupling

تعداد نتایج: 154422  

2016
Thaiane Rodrigues Aguiar Wladimir Franco de Sá Barbosa Marina Di Francescantonio Marcelo Giannini

Background The silicon tetrahydride or silanes is an inorganic colourless gas with spontaneous combustion in air at room temperature [1–3]. Silane or functionalized silanes has widely industrial and medical applications, and works as coupling and impermeabilizing agent. Silane coupling agents have also been applied to bond glass and carbon fibers to polymer matrices, creating a strong adhesion ...

Journal: :Brazilian dental journal 2014
Camila Maria Peres de Rosatto Marina Guimarães Roscoe Veridiana Resende Novais Murilo de Sousa Menezes Carlos José Soares

This study evaluated the influence of silane type and temperature of silane application on push-out bond strength between fiberglass posts with composite resin core and resin cement. One hundred and sixty fiberglass posts (Exacto, Angelus) had the surface treated with hydrogen peroxide 24%. Posts were divided in 8 groups according to two study factors: air-drying temperature after silane applic...

2016
Y. Kobayashi T. Kurosaka K. Yamamura T. Yonezawa K. Yamasaki

The present work reports an effect of surfacemodification of indium tin oxide (ITO) particles with chemicals on their electronic conductivity properties. Examined chemicals were polyvinyl alcohol (nonionic polymer), poly(diallyl dimethyl ammonium chloride) (cationic polymer), poly(sodium 4-styrene-sulfonate) (anionic polymer), (2-aminopropyl) trimethoxy silane (APMS) (silane coupling agent with...

2017
Yosuke Nishitani Tetsuto Kajiyama Toshiyuki Yamanaka

We have studied the effects of silane coupling agents used for the surface treatment of fiber on the tribological properties of hemp fiber (HF) reinforced plant-derived polyamide 1010 (PA1010) biomass composites. Hemp fibers were surface-treated by two surface treatment methods: (a) alkali treatment by sodium hydroxide solution and (b) surface treatment by silane coupling agents. Three types of...

2001
Rodrigo L. Oréfice Anthony Brennan

Silane coupling agents have been frequently used as interfacial agents in polymer composites to improve interfacial strength and resistance to fluid migration. Although the capability of these agents in improving properties and performance of composites has been reported, there are still many uncertainties regarding the processing-structure-property relationships and the mechanisms of coupling ...

2017
Antoine R M Dalod Lars Henriksen Tor Grande Mari-Ann Einarsrud

A simple, robust and versatile hydrothermal synthesis route to in situ functionalized TiO2 nanoparticles was developed using titanium(IV) isopropoxide as Ti-precursor and selected silane coupling agents (3-aminopropyltriethoxysilane (APTES), 3-(2-aminoethylamino)propyldimethoxymethylsilane (AEAPS), and n-decyltriethoxysilane (DTES)). Spherical nanoparticles (ca. 9 nm) with narrow size distribut...

Journal: :Biomaterials 2013
Shou-Cheng Wu Kun-Liang Lin Tzu-Pin Wang Shey-Cherng Tzou Gyan Singh Ming-Hung Chen Tian-Lu Cheng Chiao-Yun Chen Gin-Chung Liu Te-Wei Lee Shao-Hwa Hu Yun-Ming Wang

The coupling of specific antibodies to imaging agents often improves imaging specificity. However, free amine groups designed for the coupling can cause nonspecific binding of the imaging agents. We report here development of a nanocarrier, MnMEIO-silane-NH2-mPEG nanoparticles (NPs), consisting of a manganese-doped iron oxide nanoparticle core (MnMEIO), a copolymer shell of silane and amine-fun...

2012
Li-Ngee Ho Hiroshi Nishikawa

Effects of silane coupling agents with different functional groups such as epoxy, isocyanate and ureide on the electrical and mechanical properties of copper filled electrical conductive adhesives (ECAs) were studied. Copper (Cu) fillers were used as conductive fillers and polyurethane resin was applied as the adhesive material in this study. Significant differences could be observed on the as ...

2012
Qiang Zhang Chenyang Xue Yanling Yuan Junyang Lee Dong Sun Jijun Xiong

Considerable studies have been performed on the development of optical fiber sensors modified by gold nanoparticles based on the localized surface plasmon resonance (LSPR) technique. The current paper presents a new approach in fiber surface modification technology for biosensors. Star-shaped gold nanoparticles obtained through the seed-mediated solution growth method were found to self-assembl...

Journal: :جنگل و فرآورده های چوب 0
مهدی کلاگر دانشجوی دکتری صنایع چوب و کاغذ، دانشگاه آزاد اسلامی، واحد علوم و تحقیقات، تهران، ایران حبیب الله خادمی اسلام دانشیار گروه علوم و صنایع چوب و کاغذ، دانشگاه آزاد اسلامی، واحد علوم و تحقیقات، تهران، ایران سحاب حجازی استادیار، دانشکدۀ منابع طبیعی، دانشگاه تهران، کرج، ایران

in this research, effects of concentration and time of silane treatment of rice straw flour on the morphology and mechanical strengths of rice straw flour/polypropylene composites were investigated. tri ethoxy vinyl silane (c8h18o3si) with 98% purity in two concentrations of 5 and 10%, that each concentration had two immersion times including, 45 and 90 min for using treatment rice straw flour....

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