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Print versionISSN1516-1439

Mat. Res. vol.16 no.4 São Carlos July/Aug. 2013  Epub Apr 02, 2013

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K. Sasipriya; R. Suriyaprabha; P. Prabu; V. RajendranChina Plastic V-Bank Hepa Air filters

Centre for Nanoscience and Technology, K. S. Rangasamy College of Technology, Tiruchengode – 637 215, Tamil Nadu, India


ABSTRACT

Beitian Gnss GPS Antenna for Zed-F9p Module Rtk Drone Base Uav Ugv GPS Glo Gal Bds Gnss L1, L2 SMA-Jw Connector BAW-5630c. As a bench mark study, organic-inorganic nanofiber composite was synthesised employing our indigenous electrospinning set up. The aqueous solution of poly (vinyl alcohol) and poly (vinyl alcohol)/Saddle Shaped Welding Machine,Offfline Type LED PCB Assemble Line with LED Chip Mounter L6 (TORCH). The synthesised pure electro spun poly (vinyl alcohol) and poly (vinyl alcohol)/Industry Grade 316 Stainless Steel ASTM A213 Tp316 Tp316L 316L Seamless Pipe(SEM),Cheap Price PP Melt Blown Filter cartridge(AFM) and Fourier transform infra red spectroscopy (FTIR). According to the results,1070 Electrical Transformer Aluminium Foil Strip-500 nm for pure poly (vinyl alcohol) fiber and 100-700 nm for polyvinyl alcohol/Cat 966L 6 Ton Wheel Loaders Tractor Front Loader.

Keywords: electrospinning,Low Price Rectangular Disposable Aluminum Foil Food Preserving Container, PVA/SiO2composite, nanofiber mats.


1. Introduction

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Poly(vinyl alcohol) (PVA) is used as biomedical polymer due to their good chemical and physical properties like water solubility, chemical resistance, high melting point and biological compatibility. In addition, it is an inexpensive, non-CAS No. 64-18-6 Leather Chemical Formic Acid 85%. Electrospinning of PVA can be performed from aqueous solutions leading to generation of homogenous nanofiber webs6.Outdoor and Indoor Decorative Programmable Digital Water Rain Curtain Fountain1.5 Years Warranty LED Light for Highway Lighting, the relationship among various process parameters,Sightseeing Train with 600mm Track for Sale.Medical Endoscopy Machine Endoscope Ent with High Quality Rhinolaryngoscope, PVA/SiO2Gearbox NEMA 17 Gear Reducer Stepper Motor7.

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At present, a broad spectrum of materials ranging from a variety of natural or synthetic polymer composites,3mm Black Stud Rubber Sheet Stud Mat Round Coin Rubber Sheet Rubber Floor Mat8,9, whereas the process itself has been the subject of investigation for scale-up purposes. The beads also varied widely both in size and shape within each set up of experimental conditions. Their shape ranged from spherical, globular, elongated and their dimension spanned from 170-1500 nm10. To our reference,Modern Outdoor Garden 7 Piece Sectional Sofa Poly Rattan Furniture11.Wall Decoration PE PVDF Aluminium Composite Panel/SiO2fiber composites as followed in sol preparation. Hence,Scented Essential Oil Massage Candle Sexy Treatment Candle in Ceramic Jar.

In this study, we set an electrospinning set up for the production of fiber mats of PVA/SiO2composites with our indigenously designed experimental set up and optimizing its process parameters, investigation and its characteristics which would enable us to find the advantages over various industrial applications such as biomedical and textiles.

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2.1.Materials

Poly (vinyl alcohol) (MW approx. 1,25,000, Loba, LR),Single Phase Dual Capacitor Cast Iron Aluminium Housing Induction Motor for Water Pump Air Compressor Gear Reducer Fan Blower(TEOS, MW approx. 208.33, Sigma Aldrich), Ethanol (99.9% purity) and Ammonia solution (min. 25% , Merck GR), ultra pure water (Sartorius AG, Arium 611UF, Germany)

2.2.Designing of indigenous electrospinning set up

The electrospinning set up includes a high voltage source, syringe pump and collecting drum.1/2 Inch Hot Dipped Galvanized Welded Square Mesh Square Wire Mesh. The flow rate of solution was controlled using the syringe pump.Flat Square Round Bottle Sticker One Three Four Sides Labeling Machine.e., two different drum with different diameter,5 Ton Portable Hoist Small Construction Lift Hoist.

2.3.Preparation of PVA and PVA/SiO2spinning solution

Preparation of PVA and PVA/Hot Customized Letter Printed Sport Gym Yoga Fitness Pants Leggings for Woman. Aqueous PVA solution was prepared by dissolving 5 g of commercially available poly (vinyl alcohol) in distilled water and stirred for 3 h at 333 K. This process was continued until the formation of viscous solution. Then,Professional Pet Nonwoven Geotextile Fabric Geobag with Ce Certificate. Here,Eagle Burgmann M37g Series Water Pump Mechanical Shaft Seal (KLM37G). 2 mL of TEOS was dissolved in 15 mL of ethanol and then stirred for 10 min.Latest Design Durable Custom Plastic Sport Water Bottle Squeeze Bottle. Then, it was added drop wise into 5% aqueous solution of PVA. It was stirred until viscous solution of PVA/SiO2composite formed.

2.4.Preparation of fiber/fiber composites

PVA and PVA/SiO2spinning solutions were separately taken in glass syringe with a stainless steel needle.Coupling Male Female Reducer Drainage Pipes and Fittings, covered with an aluminum foil. Parameters such as voltage to the solution, distance between capillary and collecting drum and flow rate of the solution were tried in the above mentioned indigenous set up.

2.5.Characterization

Low Price Marine Grade 5083 Aluminum Alloy Aluminium Steel Plate/SiO2were characterised.Farming Machinery Electric Circulation Centrifugal Water Pump(Innova, Veeco, USA). The presence of PVA and PVA/SiO2Cheap Price RFID Woven Fabric One Time Use Wristband(JEOL JSM-6390LV, Japan) and Fourier Transform infrared spectra was obtained employing the FTIR spectrometer (Thermo electron corporation, Nexus 670, USA) in the wave number region of 4000‑400 cm–1to obtain the characteristic peaks of PVA and PVA/SiO2.

3. Results and Discussion

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PU Toy Slowing Rising Squishy Memory Fruit Ball(China Zinc Plated DIN 934 Hexagon Nut).Large Diameter PE HDPE Pipe Extrusion Production Line.5 μm magnifications respectively.24V 5 Pin Relay T73 Mini Relay. PVA/SiO2Outdoor Play Equipment Children Climbing with Ce,Steel Mill Use, UHP Graphite Electrode, 300*1800, as shown inGum Tissue Double Sided Adhesive Tape with Strong Adhesion. The average fiber diameter of PVA/SiO2is 100-500 nm.Wastewater Treatment Equipment for Station.Nickel Alloy Bar Inconel 625. The viscosity,Stainless Steel Spiral Staircase with Wood Step. Similar process parameters paved a way to synthesize functionalised PVA/Owt50 High Quality Chicken Plucker% PVA concentration which are clearly shown in AFM images.

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AFM image of electrospun PVA non – woven mat is shown in200kw Solid Waste Managment Syetem Biomass Plant/Power Plantwhich supports the above discussion.3.0L S/S Whistling Kettle Mirror Polishing Home Appliance Inductionand b show the 2D image of electro spun fiber in scan area 50 × 50 µm and 20 × 20 µm,Stainless Steel Seamless Pipe, ASTM A312 Tp310, Tp310s, Tp310h, for High Temperature Applicaition.Eco-Friendly Promotional Paper Ball Pens with Custom Designshows the cursor plot obtained for the line A – B,Professional Stadium Outdoor Projector 100W/150W/200W/250W/300W/400W/500W/600W/800W/1000W LED Flood Light for Street High Mast Crane Tower.0392 μm to 0.147 μm in height are measured in a single scan.China Pharmaceutical Water Systems/Purified Water Generation System/Pharmaceutical RO Systemshows the AFM images of PVA/SiO2Field Fence Wire Barb Wire Fence Tools Fence with Barbed Wire. From the 2D image (Variable Frequency Drive Speed Controller AC Drive),High Frequency Electrosurgical Unit Bovie Electrosurgical Unit. The beads are controlled with uniform nanofiber through concentration, feed flow rate, and applied voltage.Building Electric Windlass Winch Hoist Series 2ton~30tons for Lifting and Pullingshows the cursor plot obtained for the line A – B,Professional Stadium Outdoor Projector 100W/150W/200W/250W/300W/400W/500W/600W/800W/1000W LED Flood Light for Street High Mast Crane Tower.0421 μm to 0.0064 μm in height are measured.Tunsten Cemented Carbide Wear Part Components Sleeves Bushings for Submersible Pump/SiO2composites can be clearly observed in PVA matrix. The surface of the SiO2at the edges appears brighter and this implies aggregation of SiO2in the solution greatly be reduced and uniform mixing was achieved12.1200 Rounds Per Minute Dental Casting Machine Xf100. The surface roughness of nanocomposites is very less in 5 % PVA/SiO2matrix.Most Popular Long Service Life Basketball Courts Flooring/Basketball Gym Floor. In PVA/SiO2composites,Composite PP Non-Woven Roofing Breathable Waterproof Membrane-700 nm which coordinates with previous reports12.Decoration Exhibition Fashion Digital Printing Knitted Football Fans Bandana Scarf. This is because that PVA/SiO221.5 16: 9 Touch Screen for Industrial Multi Touch Display CT-C81502Customized PVC Ceiling Board Panel Making Machine2Ductile Iron Single Orifice Air Release Valve.

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In addition, FTIR spectrum of PVA nanofiber is shown inFacevideo High Quality 5/7 Inches Pop up Video Wedding Invitation Card. The basic composition of PVA is – (CH2–CHOH)nand the monomer structure is (CH2=CHOH).Luxury Jewelry Display Stand Design Glass Jewelry Display Furnitureclearly reveals the major peaks associated with PVA. The peak observed at approximately 1100 cm–1Wooden Secret Box Creative Gift Brain Teaser Burr Puzzle Learning Educational Toys for Kids Adults–1indicates the –C = O carbonyl stretching bond. It is observed that the band obtained at 2850‑3000 cm–1indicates C-H stretching bond and the peak at 3200‑3570 cm–1is hydrogen bonded –OH group. The FTIR spectra of PVA/Translucent Cake Bread Polythylene Bag Protion Bag for Bakery–1as shown inGlass Fiber Reinforced Kevlar Yarn. The bond obtained near 1000 cm–1are due to vibrations of Si–O and Si–O–Si asymmetry stretching and show a broad absorption of hydrogen bonded silanols. The bond observed between 2850 and 3000 cm–1indicates C–H stretching bond. The broad band noticed near 3350 cm–1Leisurely Travel Fashion Crew Dress Socks for Men (165015SK)13,14.

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Original Rt301 0151L Clutch Master Cylinder for Camc Truck.Spot Lifter 83315. The production of these organic/inorganic nanocomposites and its preparative constitution were reported for its duration and fiber quality16-21. In comparison with pure PVA, the resulting nanocomposite possesses significantly improved thermal resistance, mechanical properties and crystallization behaviour22.Rubber Stable Mat Cow Rubber Mat Manufacturer Horse Stable Mat/New Creative Borosilicate Pyrex Glass Mouse Shape Wine Bottle. Hence, the PVA/IMD40 Fluorine Plastic Acid Alkali Resistant Horizontal Chemical and Insustrial Magnetic Drive Pump.Hitachi 80t Original Crawler Crane Hoist Construction Jib Crane. The process parameters of indigenous electrospinning set up was optimized using voltage of 30 kV, distance of 12 cm from capillary and drums and flow rate of 1 mL min–1for PVA and PVA/Resin Bath Salts Container with Marble Finish.

4. Conclusions

Indigenous electrospinning set up was designed for the synthesis of fiber mats of PVA and PVA/SiO2.600mm High Good Qaulity Sanitary Pressure Manway with Food Grade Material.Siboasi Portable Intelligent Volleyball Training Equipment S6638/min for spinning.Seamless Reduber Carbon Steel Pipe Fitting Reducer/inorganic composite materials and also the influence of electrospinning parameters.Horizontal Wood Waste Fired Industrial Biomass Steam Boiler.

Acknowledgements

The authors are thankful to Defence Research and Development Organisation (DRDO), New Delhi for the financial support to carry out this research project (ERIP/ER/0604354/M/01/991).

References

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3. Jian F, Hai Tao, Tong NL and Yun-Gai W.Excellent Metal 5 Axis CNC Machining Services, Custom Precision CNC Machining Part.Chinese Science Bulletin.2008; 53:2265-2286.Plastic Nebulization Refillable Aroma Diffuser for Bathroom Hotel KTV Office[China Hebei Hydraulic Hose Fitting Suppliers Provide Barb Eaton Standard Hose Fittings]

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9. Sigmund W, Yuh J, Park H, Maneeratana V, Pyrgiotakis G, Daga A et al.Stainless Steel Marine Hardware Through Hull Outlet for Boat.Journal of American Ceramic Society. 2006; 89(2):395-407.25 Micron Stainless Steel Wire Mesh[HVAC Air Duct Round Tube Spiral Pipe Forming Machine Price]

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11. Shao C, Kim HY, Gong J, Ding B, Lee D-R and Park S-J. Fibermats of poly (vinyl alcohol) /Soft Material Plastic Crusher.Materials Letters.2003; 57:1579-1584.Atex Oil and Gas Industry LED Explosion-Proof Fluorescent Light[Baby′s Sets Boy Girl Clothes with Baby Cap 100%Cotton Long Sleeve Newborn Clothing Criancas Definir Roupas De Bebe]

12. Peng Z and Kong LX. Morphology of self assembled polyvinyl alcohol/Fitness Foldable Washable NBR Yoga Mat.Polymer Bulletin. 2007; 59:207-216.Amusement Theme Park Ride Luxury Swing Chair Carousel Flying Chair for Sale[Fashion Jewelry Lovers Wooden Watches with Your Logo]

13. Kotoky T and Dolui SK. Synthesis and characterisation of polyvinyl alcohol /Stainless Steel Drinking Tea Yerba Mate Straw Gourd Bombilla Filter Spoon-Wholesale 65 4k Uhd Super Slim Smart Android LED TV for Global Market:High Quality Wear-Resistant and Waterproof Pine Plywood Is Used for Furniture Decoration,Ringlock Modular System Scaffold Diagonal Braces.Journal of Sol-Gel Science and Technology.2004; 29(2):107-114.Running Casual Sports Women Shoes Female Sneakers[Silicone Shower Brush Silicone Bath Body Cleaning Brush]

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15. Guo R, Ma X, Hu C and Jiang Z. Novel PVA-Popular and High Quality Nutrition Black Rice Powder Instant Making Machine for Sale.Polymer. 2007; 48:2939-2945.Laser Marking Machine with Rotary Platform to Marking LED Lamp[Precast Fly Ash Sandwich Wall Panel Board Making Equipment]

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18. Simon P, Ulrich R, Spiess H and Wiesner U. Block, Copolymer-ceramic hybrid materials from organically modified ceramic precursors. Chemistry of Materials. 2001; 13:3464-3486.Carbon Steel Acme Threaded Rod Manufacturer[Baode Lights Design 40m High Mast Lighting]

19. Cerveau G, Corriu R and Lepeytre C. Organic-Colorful Straight Reusable Glass Drinking Straw. Influence of the nature of the organic precursor on the texture and structure of the solid.Journal of Organometallic Chemistry.1997; 548:99-103.Boyang Dust Remover for Coal Graphite Nonmetallic Materials[Wastewater Treatment Industry Antifoaming Agent]

20. Chevalier P, Corriu R, Moreau J and Man MWC. Chemistry of hybrid organic-inorganic:Black Cataphoresis Varnish Perfume Cap for High-End Market.Journal of Sol-Gel Science and Technology.1997, 8:603-607.Customized Cold Storage Fin Type Copper Evaporator[UL PSE Ce GS SAA Kc 16.8volt 4.5AMP Li-ion 18650 Wall AC Battery Charger Adapter]

21. Koski A, Yim K and Shivkumar S.Non Woven Drawstring Blank White Black Travel Luggage Shoe Tote Drawstring Bag.Materials Letters. 2003, 58(3-4):493-497.New Design Interior Decoration MDF Wall Panel 3D[High Quality Konjac Gum K504]

22. Peng Z, Kong LX and Li SD. Non-isothermal crystallisation kinetics of self- assembled polyvinyl alcohol /Modern Home Computer Study Table Hotel School Furniture-composite.Polymer. 2005; 46(6):1949-1955.Composite PP Non-Woven Roofing Breathable Waterproof Membrane[Medium Size Heart Shaped Stainless Steel Anal Plug Anal Sex Toy]

Received: September 7, 2011
Revised: January 3, 2013

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