poly vinyl alcohol (PVA)
Poly(Vinyl Alcohol) Infiltrated Carbon Nanotube Carpets
... It is long now well established that CNTs have poor dispersibility in polymeric matrices unless their surface is previously chemically modified or elsewise functionalized [2,3]. Under this route, polymer matrix ...
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Comparative study of poly(vinyl alcohol)-based support materials for the immobilization of glucose oxidase
... BACKGROUND: The performances of four types of glucose oxidase (GOD) immobilization materials based on poly(vinyl alcohol) (PVA) were compared. The matrices of interest were chemically-linked PVA, ...
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Effect of Solvent on the Optical and Electrical Properties of Poly (Vinyl Alcohol) Films
... ABSTRACT: Poly(vinyl alcohol) (PVA) is considered to be an interesting, low-cost, conductive polymer with useful physical and chemical properties. We describe the preparation of high-quality PVA ...
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Fast neutrons effect on the dielectric properties of poly (vinyl alcohol)/hydroxypropyl cellulose blends
... with poly (N-vinyl-2-pyrrolidone) (Masson and Manley, 1991), poly (methyl methacrylate) (Nishioka et ...and poly (2-hydroxy ethyl methacrylate) (Nisko and Hirose, 1992). Poly ...
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A Kinetics Study on the Thermal Degradation of Starch/Poly (Vinyl Alcohol) Blend
... The other component of cited blend is Poly (vinyl alcohol) (PVA) that is an interesting water-soluble synthetic polymer with a broad range of applications. Mainly it is used as a sizing agent or ...
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DIELECTRIC PROPERTIES OF AMLA POD POWDER AND ITS POLYMER COMPOSITES OF POLY VINYL ALCOHOL
... Polymer composites of PVA with APP for different weight percents have been used for measurement of dielectric constant, dielectric loss and ac conductivity as a function of frequency at 1 KHz as well as function of ...
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Biological Properties of Blend Nanofibrous Scaffolds from Poly(caprolactone)-Chitosan-Poly(vinyl alcohol)
... study, poly(caprolactone)-chitosan-poly(vinyl alcohol) (PCL: Cs: PVA) nanofibrous blend scaffolds were prepared and their biological properties were ...
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Composite poly(vinyl alcohol)/poly(vinyl acetate) electrospun nanofibrous mats as a novel wound dressing matrix for controlled release of drugs
... of poly(vinyl alcohol) (PVA), poly(vinyl acetate) (PVAc), and a 50:50 composite blend, loaded with ciprofloxacin HCl (CipHCl), were successfully prepared by an electrospinning technique ...
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Highly thermally resistant, hydrophobic poly(vinyl alcohol)–silica hybrid nanofibers
... fibers were obtained by electrospinning the silica precursor and an aqueous PVA solution. Chemical, structural, thermal and surface analyses were con- ducted by Fourier-transform infrared spectroscopy, thermogravimetric ...
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Effective Analysis on Curing Process of Concrete by Poly Vinyl Alcohol & Polyethylene Glycol
... The concept of self-curing agents is to reduce the water evaporation from concrete and hence increase the water retention capacity of the concrete compared to conventional concrete. The purpose of this project is to ...
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Synthesis of star branched poly(vinyl alcohol) and ice recrystallization inhibition activity
... A novel trifunctional xanthate was designed to prepare well-defined 3-arm stars of PVA. The agent was synthesized from cheap starting materials and was isolated pure as a trifunctional xanthate, without the need for ...
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Thermal and structural studies of poly (vinyl alcohol) and hydroxypropyl cellulose blends
... Blending poly(vinyl alcohol) (PVA) with a poten- tially useful natural biopolymers such as hy- droxypropyl cellulose (HPC) seems to be an in- teresting way of preparing a polymeric ...
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Dosimeter Film Based on Ethyl Violet Bromophenol Blue Dyed Poly(Vinyl Alcohol)
... Dyed poly(vinyl alcohol) (PVA) films, prepared by a simple technique of casting aqueous solutions of PVA containing a mixture of Ethyl violet and bromophenol blue (EV-BPB) on a horizontal glass ...
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Porous poly(vinyl alcohol)/sepiolite bone scaffolds: preparation, structure and mechanical properties
... Porous poly(vinyl alcohol) (PVA)/sepiolite nanocomposite scaffolds containing 0-10wt.% sepiolite were prepared by freeze-drying and thermally crosslinked with poly(arylic acid). The ...
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Assessment of the Non-linear Stress-strain Characteristics of Poly (vinyl alcohol) Cryogel
... engineering. Poly (vinyl Alcohol) (PVA) is a biomaterial capable of simulating a wide range of geometries and mechanical properties of biological ...
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Controlled Delivery of Serp-1 Protein from Poly(vinyl alcohol) Hydrogel
... Poly(vinyl alcohol) (PVA) was selected and evaluated as a controlled drug delivery matrix for Serp-1, a potential new therapeutic with anti-inflammatory properties for control of ...
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Crosslinked Electrospun Poly (Vinyl Alcohol) Nanofibers Coated by Antibacterial Copper Nanoparticles
... (vinyl alcohol) (PVA) nanofibers were prepared via electrospinning of concentrated PVA ...i.e. poly (vinyl alcohol) and ethylene glycol (EG), in an aqueous ...
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Preparation and Characterization of Aligned and Random Nanofibrous Nanocomposite Scaffolds of Poly (Vinyl Alcohol), Poly (e-Caprolactone) and Nanohydroxyapatite
... of poly (vinyl alcohol) (PVA), poly (ε-caprolactone) (PCL) and nanohydroxyapatite (nHA) were fabricated by electrospinning method in this ...
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Structural characterisation of printable noble metal/poly(vinyl alcohol) nanocomposites for optical applications
... Here we demonstrate a straightforward method of inkjet printing silver or gold nanoparticles contained within a host matrix of poly(vinyl-alcohol) (PVA) that considerably reduces the problem of ...
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Mechanical Properties of Poly (vinyl alcohol) Based Blends and Composites
... [32]. Poly (acrylic acid) and its derivatives, poly (ethylene oxide) and its copolymers, Poly (vinyl alcohol), polyphosphazene, and polypeptide are classified as synthetic ...
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