نتایج جستجو برای: silane coupling agents

تعداد نتایج: 512212  

Journal: :Magnetochemistry 2022

As a novel functional nanomaterial, Fe3O4 magnetic nanoparticles (MNPs) modified by different surfactants have attracted and are attracting worldwide interest. In this research, we introduced two silane coupling agents to modify MNPs instead of single surfactant achieve complete coating functionalization. The modification mechanism was also explained. Techniques such as TEM, XRD, FT-IR, TG-DSC,...

Journal: :Brazilian Journal of Chemical Engineering 1998

2003
Elizabeth M.H. Neyman Sean Corcoran

The adhesion durability of coatings and encapsulant materials utilized in electronic packaging is vital for device reliability in the microelectronics industry. Due to adverse operating conditions such as high moisture and high temperature environments, the adhesion between an adhesive and its substrate is typically compromised. This thesis addresses the advantages of employing plasma pretreatm...

2013
Sunil padhiyar Darshan Shah

Silane coupling agent generally use as improve the properties of white filler use in rubber compound for better dispersion. Also silane coupling agent reacts with organic filler & polymer chain as crosslink. Here in this research study the crosslink density & swelling phenomena of silane participate in vulcanization process with Nitrile rubber compound. Also show the comparisons of carbon fille...

Journal: :Dental materials journal 2007
Yusuke Shimakura Yasuhiro Hotta Akihiro Fujishima Jun Kunii Takashi Miyazaki Tadaharu Kawawa

To increase the bond strength of CAD/CAM-fabricated, leucite-reinforced glass ceramics with a resin cement, the effects of the following were investigated: surface modification by tribochemical (TBC) treatment, followed by combined application of a silane coupling agent and a functional monomer as a primer. Bond strength was evaluated by a shear bond test. It was found that a silane coupling ag...

Journal: :Dental materials : official publication of the Academy of Dental Materials 2006
Francesca Monticelli Manuel Toledano Raquel Osorio Marco Ferrari

OBJECTIVES To evaluate the effect of different silane agents and air-drying temperatures on bond strength of translucent quartz fibre posts to composite resin. METHODS The post surface was etched with 10 vol% hydrogen peroxide for 20 min. A two-liquid coupling agent containing 4-methacryolxyethyl trimellitate anhydride (4-META) and gamma-trimethoxysilyil propyl methacrylate (gamma-MPTS) and t...

2017
Katsura OHASHI Kaori MIYAKE Tota SHIMIZU Akinori OHNO Toru SHIIYA Yoshiharu MUKAI Toshiyuki SUZUKI Ayako TERANAKA Hirotoshi IWAI Satoshi HIRAYAMA Tomotaro NIHEI

Background: Silane coupling agents are used as a bonding agent between ceramics and resins in dentistry. The effectiveness of these agents is often enhanced by the addition of acid or by heat treatment. Objective: This study aimed to evaluate, the clinical characteristics, TBS (tensile bond strength) and water resistance of eight commercial ceramic primers (seven silane coupling agents and one ...

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