نتایج جستجو برای: adhesives

تعداد نتایج: 6650  

Journal: :Journal of athletic training 2008
Joel W Beam

REFERENCE/CITATION Farion K, Osmond MH, Hartling L, et al. Tissue adhesives for traumatic lacerations in children and adults. Cochrane Database Syst Rev. 2001(4);CD003326. CLINICAL QUESTION What is the clinical evidence base for tissue adhesives in the management of simple traumatic lacerations? DATA SOURCES Studies were identified by searches of the following databases: Cochrane Wounds Gro...

Journal: :Dental materials journal 2010
Andre F Reis Marcela R O Carrilho Eduardo Ghaname Patricia N R Pereira Marcelo Giannini Toru Nikaido Junji Tagami

The aims of this study were to evaluate the ultimate tensile strength (UTS) and elastic modulus (E) of adhesives, and primer/adhesive mixtures after aging for 6 months in water or oil; and to compare silver uptake patterns under the TEM. A one-step self-etching adhesive (One-up Bond F: OB), two two-step self-etching primers (SE Bond: SE and Protect Bond: CP), and two etch-and-rinse systems (Sin...

2014
Chung-Feng Jeffrey Kuo Jiong-Bo Chen Chung-Yang Shih Chao-Yang Huang

Silicone pressure-sensitive adhesives compositions contain a polydimethylsiloxane and a silicone resin, which can enhance the instant bonding ability and bonding strength of the adhesive. In this study, silicone resin was designed to have a low molecular weight and a highly nonpolar chemical structure. The silicone resin was applied to silicone pressure-sensitive adhesives. The molecular struct...

Journal: :Dental materials journal 2012
Choltacha Harnirattisai Panitta Roengrungreang Utumporn Rangsisiripaiboon Pisol Senawongse

This study measured the immediate and 24 h shear (SBS) and micro-shear bond strengths (MSBS) to dentin of four self-etching adhesives. A resin composite was bonded using each adhesive to the area of 5-mm diameter for SBS test or 0.75-mm diameter for MSBS test of flat bovine dentin. The bond strengths of all adhesives at 10 min were lower than at 24 h for both tests. The mean SBS (MPa, 10 min, 2...

2017
Yohann Catel Cédéric Dellsperger Norbert Moszner

Four polymerizable α-phosphonooxy phosphonic acids 7a, 7b, 9 and 16 were synthesized in seven steps. They were characterized by 1H, 13C and 31P NMR spectroscopy and by high-resolution mass spectroscopy. The copolymerization of acidic monomers 7a, 7b, 9 and 16 with 2-hydroxyethyl methacrylate was studied using a differential scanning calorimeter. Due to the presence of two acidic groups, those m...

Journal: :Dental materials journal 2004
Eiji Yoshida Shigeru Uno

It has been reported that the adhesive resin layer of all-in-one adhesives is permeable and allows the formation of a water channel or water tree. The effects of a smear layer on the ultra-structure of bonding interface created with three all-in-one adhesives and a resin composite were evaluated in this study. Dentin surface was ground with of 180-, 600-, or 2000-grit SiC paper to produce diffe...

Journal: :Dental materials journal 2012
Yukari Ogura Yusuke Shimizu Koji Shiratsuchi Akimasa Tsujimoto Toshiki Takamizawa Susumu Ando Masashi Miyazaki

The effect of warm air-drying on the dentin bond strengths of the single-step self-etch adhesives was determined. The adhesives were applied to bovine dentin followed by drying in a stream of warm air for 5, 10, and 15 s at 37°C. Resin composites were condensed into a mold and polymerized. Specimens were stored in distilled water at 37°C for 24 h, then shear tested. The surface free-energies we...

2013
Julina PB Souza Joao ML Reis

Adhesives, especially epoxies, are widely used as joints, repairs and corrosion protection in the petroleum onshore and offshore industry. Performance temperature is a key factor for such material. Mainly they are designed by the thermal properties but when they are in real service operation the behavior changes drastically. In this work, three different epoxy adhesives used in the offshore ind...

2014
Thomas Eagar

Inorganic adhesives have several benefits over traditional joining methods for joining electrical steels used in magnetic cores of numerous industrial applications. As insulators with very high melting temperatures, the adhesives offer the possibility of increasing the efficiency of these machines. The aim of this project was to characterize sodium silicates as adhesives for such applications a...

2017
Marcus Vinicius H. de Carvalho Evaldo Marchi Edmir Américo Lourenço

INTRODUCTION Tissue adhesives can be used as adjacent to sutures to drop or avoid bleeding in cardiovascular operations. OBJECTIVE To verify the efficiency of fibrin and cyanoacrylate adhesive to seal arterial sutures and if the adhesives penetrate through suture line to the inner of arteries. METHODS 20 abdominal aorta segments of pigs were divided into two groups according to the adhesive...

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