Results 21 to 30 of about 135,854 (347)

Crack Resistance and Mechanical Properties of Polyvinyl Alcohol Fiber-Reinforced Cement-Stabilized Macadam Base

open access: yesAdvances in Civil Engineering, 2020
A series of tests were carried out to evaluate crack resistance and mechanical properties of polyvinyl alcohol fiber-reinforced cement-stabilized macadam, which is widely used as pavement base or subbase composite material.
Yi Zhao   +5 more
doaj   +1 more source

Polyvinyl Alcohol-Sulfonated Polyethersulfone Blend for Application in Proton-Exchange Membranes [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 2016
In recent years, proton-exchange membranes as the main components of composite actuators have been paid special attention because of their important role in membrane technology.
Fatemeh Askari   +3 more
doaj   +1 more source

Preparation of polyaniline-polyvinyl alcohol-silver nanocomposite and characterization of its mechanical and antibacterial properties

open access: yesScience and Engineering of Composite Materials, 2018
In the present research, polyaniline is used as a conducting polymer and polyvinyl alcohol is also used as a biopolymer, because of its mechanical properties and suitable processability. Also, silver nanoparticles are considered as a reinforcing agent of
Khoshkbar Sadeghi Alireza   +1 more
doaj   +1 more source

Changes induced by UV radiation in the presence of sodium benzoate in films formulated with polyvinyl alcohol and carboxymethyl cellulose [PDF]

open access: yes, 2015
This work was focused on: i) developing single and blend films based on carboxymethyl cellulose (CMC) and polyvinyl alcohol (PVOH) studying their properties, ii) analyzing the interactions between CMC and PVOH and their modifications UV-induced in the ...
Giannuzzi, Leda   +3 more
core   +2 more sources

Investigation of silica - PVA xerogel microstructure evolution during thermal treatment by SANS experiment [PDF]

open access: yes, 2004
The purpose of the study was to investigate the appearance of certain microstructures developing in the SiO2/PVA nanocomposite xerogels at different temperatures by small-angle neutron scattering (SANS). The samples were prepared by the alcoxide route of
Almásy, László   +3 more
core   +1 more source

Tunable electrophysical properties of composites nano-CdS/polyvinyl alcohol [PDF]

open access: yes, 2014
Electrical d.c. conductivity of nano-CdS/polyvinyl alcohol composites with different nanoparticle concentrations and its temperature dependence were studied. The composites demonstrate increasing resistivity with CdS nanoparticles content.
Bondarenko, V.A.   +4 more
core   +1 more source

Ferulated Poly(vinyl alcohol) based hydrogels

open access: yesHeliyon, 2023
New graft copolymers were prepared by reaction of poly (vinyl alcohol) (PVA) with mono-imidazolide or bis-imidazolide derivatives of ferulic acid (FA) with the formation of ester bonds. The obtained graft copolymers, thanks to the crosslinking capability
Simone Pepi   +12 more
doaj   +1 more source

Utilization of Poly(Polyvinyl Alcohol-g-2-Ethylhexyl Acrylate) as Admixture for Mortar [PDF]

open access: yes, 2020
We investigated the physico-mechanical properties of mortar mixed with copolymers based on polyvinyl alcohol (PVA) and 2-ethylhexyl acrylate (2-EHA) and synthesized by grafting using ammonium persulfate (APS) as an initiator.
Bekbayeva, Lyazzat   +3 more
core   +1 more source

Dried-state bacterial cellulose (Acetobacter xylinum) and polyvinyl-alcohol-based hydrogel: An approach to a personal care material

open access: yesJournal of Science: Advanced Materials and Devices, 2018
Freeze-dried bacterial cellulose and polyvinyl alcohol were successfully prepared. The weight ratios of polyvinyl alcohol to bacterial cellulose were set at 3:1, 5:1 and 10:1.
N. Chunshom   +3 more
doaj   +1 more source

3D fabrication and characterization of phosphoric acid scaffold with a HA/β-TCP weight ratio of 60:40 for bone tissue engineering applications. [PDF]

open access: yesPLoS ONE, 2017
A key requirement for three-dimensional printing (3-DP) at room temperature of medical implants depends on the availability of printable and biocompatible binder-powder systems.
Yanen Wang   +8 more
doaj   +1 more source

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