نتایج جستجو برای: organic coatings

تعداد نتایج: 223778  

2010
Stelian Lupu Francisco Javier del Campo Francesc Xavier Muñoz

23 New electrode materials based on composite inorganic redox material–organic conducting polymer for 24 electroanalysis of dopamine were developed. The composite inorganic–organic coatings based on Prus25 sian blue (PB) and poly(3,4-ethylenedioxythiophene) (PEDOT) have been prepared by electrochemical 26 methods onto gold disk microelectrode arrays. Both insoluble and soluble forms of PB were ...

Journal: :Implant dentistry 2017
Alexis Ghanem Sergio Varela Kellesarian Tariq Abduljabbar Nawwaf Al-Hamoudi Fahim Vohra Fawad Javed

OBJECTIVE The aim of this systematic review and meta-analysis was to evaluate the role of osteogenic coatings (placement of a thin film of organic and inorganic osteoinductive and osteoproliferative materials) on implant surfaces in augmenting bone-to-implant contact (BIC) in osteoporotic bone. DATA SOURCES To answer the focused question "Do osteogenic coatings on implant surfaces increase BI...

2003
Terho Kololuoma

Sol-gel technique has been utilized for the fabrication of multifunctional inorganic-organic hybrid materials for specific applications. Synthesized methacrylic acid and benzoylacetone modified tin alkoxide precursors were used for the first time for the realization of directly UV-photopatternable antimony-doped tin dioxide coatings. These single-layered coatings have transmission values over 8...

2004
Erkki Virtanen

Organic acids have been for long added into piglet feeds to improve gastric health and post-weaning performance and, more recently, to replace antibiotic growth promoters in these functions. Organic acids lower the buffering capacity of the feed, compensate for the poor gastric acidification and endogenous lactic acid production after weaning, and reduce the numbers of pathogens in the gastro-i...

Journal: :Nature communications 2014
O Shalev S Biswas Y Yang T Eddir W Lu R Clarke M Shtein

Crystalline, yet smooth, sphere-like morphologies of small molecular compounds are desirable in a wide range of applications but are very challenging to obtain using common growth techniques, where either amorphous films or faceted crystallites are the norm. Here we show solvent-free, guard flow-assisted organic vapour jet printing of non-faceted, crystalline microspheroids of archetypal small ...

2004
Paul M. Randall Sherwin Williams

The surface coating industry is rapidly changing to meet environmental and economic pressures. Some of the changes include new formulations which meet environmental regulations, higher performance finishes with improved properties, continued development of solventless technologies such as powder coatings and radiation curable coatings, and new application methods with improved transfer efficien...

Journal: :Journal of food protection 2013
Tony Z Jin Joshua B Gurtler Si-Quan Li

This study was conducted to develop antimicrobial coatings to decontaminate and prevent cross-contamination of shell eggs. Egg shells were inoculated with nalidixic acid-resistant Salmonella enterica Enteritidis strains OB030832, OB040159, and C405 and treated with antimicrobial coatings. Polylactic acid served as a nonedible polymer, and chitosan served as an edible polymer carrier of natural ...

Journal: :Molecules 2017
Ayman M Atta Ashraf M El-Saeed Hamad A Al-Lohedan Mohamed Wahby

Montmorillonite (MMT) clay mineral is widely used as filler for several organic coatings. Its activity is increased by exfoliation via chemical modification to produce nanomaterials. In the present work, the modification of MMT to form nanogel composites is proposed to increase the dispersion of MMT into epoxy matrices used to fill cracks and holes produced by the curing exotherms of epoxy resi...

2017
Rita B. Figueira Emanuela Callone Carlos J. R. Silva Elsa V. Pereira Sandra Dirè

Hybrid sol-gel coatings, named U(X):TEOS, based on ureasilicate matrices (U(X)) enriched with tetraethoxysilane (TEOS), were synthesized. The influence of TEOS addition was studied on both the structure of the hybrid sol-gel films as well as on the electrochemical properties. The effect of TEOS on the structure of the hybrid sol-gel films was investigated by solid state Nuclear Magnetic Resonan...

پایان نامه :وزارت علوم، تحقیقات و فناوری - پژوهشگاه مواد و انرژی - پژوهشکده سرامیک 1392

thermal barrier coatings (tbcs) are used to provide thermal insulation to the hot section components of gas turbines in order to enhance the operating temperature and turbine efficiency. hot corrosion and thermal shocks are the main destructive factors in tbcs which comes as a result of oxygen and molten salt diffusion into the coating. in this thesis atmospheric plasma spraying was used to dep...

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