نتایج جستجو برای: poly vinyl alcohol nanocomposites

تعداد نتایج: 215219  

Journal: :international journal of nanoscience and nanotechnology 2011
a. doustgani e. vasheghani-farahani m. soleimani s. hashemi-najafabadi

nanofibrous scaffolds produced by electrospinning have attracted much attention, recently. aligned and random nanofibrous scaffolds of poly (vinyl alcohol) (pva), poly (ε-caprolactone) (pcl) and nanohydroxyapatite  (nha) were fabricated by electrospinning method in this study. the composite nanofibrous scaffolds were subjected to detailed analysis. morphological investigations revealed that the...

Journal: :journal of nanostructures 2016
s. r. yousefi m. salavati-niasari d. ghanbari

nickel hydroxide nanostructures were synthesized by a hydrothermal reaction. the effect of different precursors and surfactants on the morphology of nickel hydroxide nanostructures was investigated. nanostructures were characterized by x-ray diffraction, energy dispersive x-ray spectroscopy, scanning electron microscopy and fourier transform infrared  spectroscopy. the influence of ni(oh)2 nano...

Journal: :modares journal of medical sciences: pathobiology 2009
mohammad ali shokrgozar fatemeh mottaghitalab vahid mottaghitalab mehdi farrokhi ali eslamifar

objective: tissue engineering is an (interdisciplinary field that applies polymeric scaffolds to control tissue formation in three-dinemtion (3d). the scaffold provides the microenvironment (synthetic temporary extracellular matrix) for regenerative cells, supporting cell attachment, proliferation, differentiation, and neo tissue genesis due to their suitable chemical, physical and biological s...

Journal: :journal of nanostructures 2015
m. goudarzi d. ghanbari m. salavati-niasari

al(oh)3 nanoparticles were synthesized by a simple precipitation reaction. the effect of various amines like ethylene diamine, propylene diamine, triethylenetetramine and tetraethylenepentamine as precipitating agents on the morphology of al(oh)3 nanostructures was investigated. the influence of al(oh)3 nanoparticles on the flame retardancy of the poly vinyl alcohol (pva) matrix was studied usi...

Nickel hydroxide nanostructures were synthesized by a hydrothermal reaction. The effect of different precursors and surfactants on the morphology of nickel hydroxide nanostructures was investigated. Nanostructures were characterized by X-ray diffraction, energy dispersive X-ray spectroscopy, scanning electron microscopy and Fourier transform infrared  spectroscopy. The influence of Ni(OH)2 nano...

2011
ANDRES BERNAL IVO KURITKA PETR SAHA

Poly(vinyl alcohol) and poly(vinyl pyrrolidone) were blended and films were obtained by casting method. Glutaraldehyde, hydrochloric acid and lactic acid were added to investigate their effect on mechanical properties, swelling and solubility of the blends with the aim to find a possible material candidate for medium or long term implants. Combination of all three additives (lactic acid, glutar...

Journal: :journal of nanostructures 2014
m. yousefi

magnesium hydroxide nanostructures as an effective flame retardant were synthesized by a facile and rapid microwave reaction. the effect of different surfactants such as cationic, anionic and polymeric on the morphology of magnesium hydroxide nanostructures was investigated. nanostructures were characterized by x-ray diffraction (xrd), scanning electron microscopy (sem) and fourier transform in...

D. Ghanbari M. Goudarzi M. Salavati-Niasari,

Al(OH)3 nanoparticles were synthesized by a simple precipitation reaction. The effect of various amines like ethylene diamine, propylene diamine, triethylenetetramine and tetraethylenepentamine as precipitating agents on the morphology of Al(OH)3 nanostructures was investigated. The influence of Al(OH)3 nanoparticles on the flame retardancy of the poly vinyl alcohol (PVA) matrix was studied usi...

Magnesium hydroxide nanostructures as an effective flame retardant were synthesized by a facile and rapid microwave reaction. The effect of different surfactants such as cationic, anionic and polymeric on the morphology of magnesium hydroxide nanostructures was investigated. Nanostructures were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and Fourier transform in...

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