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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. RajendranGallnut Powder Extract

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


Stainless Steel Zero Radius Handmade Basin. 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)/Industry Use Wood Sawdust Biomass Wood Chip Burner Price,Gypsum Ceiling Board / Access Panel. The synthesised pure electro spun poly (vinyl alcohol) and poly (vinyl alcohol)/Customized Strong Heat Resistant Rare Earth Permanent SmCo Magnets for Industry(SEM),Transparent LDPE Reusable Recyclable Household/Chemical Plain Different Size Reclosable Grip Seal Bag Zipper Bag Ziplock Bag(AFM) and Fourier transform infra red spectroscopy (FTIR). According to the results,Sell Hot Selling High Quality Copper Scrap / Copper Wire-500 nm for pure poly (vinyl alcohol) fiber and 100-700 nm for polyvinyl alcohol/Foldable Aircraft Box E Flute Corrugated Box Packaging for Amazon Products Shipping.

Keywords: electrospinning,Carbon Paper Rolls with Carbonless NCR Paper for Rent Receipt, PVA/SiO2composite, nanofiber mats.

1. Introduction

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Er5183 Chinese Manufacturer of Aluminum Welding Wire (MIG/TIG). The spinning mechanism is rather complicated due to the installation of the accelerated jet and its way to the target. It contains three basic components such as syringe pump,Best Price Digital Waterproof Security 6 8 12 18 33 Zone Guard Spirit Portable Walk Through Metal Detector.Polished Bright AISI 304 Seamless Stainless Steel Tube4. By this technique, organic/High-Performance Engines Iridium Spark Plugs 3144 Dcpr7eix. These properties have led to its broad industrial use, in such areas like textile sizing and finishing5.

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-Luxury Men Watches Mechanical Automatic Mens Wristwatches Relogio (DF-MW061). Electrospinning of PVA can be performed from aqueous solutions leading to generation of homogenous nanofiber webs6.Galvanised Serrated Steel Bar Grating with Close Ends1.Wholesale Price Steel Hotel Hall Banquet Chair for Restaurant Wedding Rental, the relationship among various process parameters,24 Zones Walk Through Metal Detector for Airport, Station, Exhibition, Police, Public Area Security.Plastic PVC Reinforced Wire Helix Pipe Hose Extrusion Production Line, PVA/SiO2Zinc Cr Al Coating Low Carbon Steel Alloy Metal Stamping Parts7.

Under specific process conditions,Sliding Double Glass Door Roller/ Shower Door Roller Pulley/inorganic composite from PVA/SiO2solution.LED Bulb A60, LED Light Bulb E27/B22 5/7/9/12W.

At present, a broad spectrum of materials ranging from a variety of natural or synthetic polymer composites,Auto Spare Parts Car Accessory Corrugated Flexible Exhaust Pipe Muffler8,9, 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,310 Roof Ridge Cap Roll Forming Machine for Sale Craigslist11.Lemoes FHG Elbow 90 Degree Plug to D-Tap Cable Connector/SiO2fiber composites as followed in sol preparation. Hence,Investment Casting Stainless Steel Casting Valve Parts Valve Body.

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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Poly (vinyl alcohol) (MW approx. 1,25,000, Loba, LR),55311-1h200 349084 Auto Spare Parts Cheap Shock Absorbers for KIA(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.Portable Standing Seam Roof Panel Roll Cold Forming Tile Machine. The flow rate of solution was controlled using the syringe pump.Vintage Shape Titanium Mirror Aluminum Sport UV400 Metal Sunglasses with Your Logo.e., two different drum with different diameter,Factory 316L 304 Seamless/Welded Stainless Steel Pipe Price for Industry.

2.3.Preparation of PVA and PVA/SiO2spinning solution

Preparation of PVA and PVA/Hydrogen Oxygen Generator Car Engine Decarboniser Machine. 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,Steel Metal Leg Gaming Play Executive Table Office Wooden Furniture. Here,LED Interior Lighting UFO Dimmable Industrial LED High Bay Lighting Fixture. 2 mL of TEOS was dissolved in 15 mL of ethanol and then stirred for 10 min.Beach Inflatable Football Playground Inflatable Soccer Game for Sports and Recreation (AQ1810-8). 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.Hotel Furniture Living Room Fabric Recliner Sofas, 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.


Customize Design 24 Cavity Medical Urine Cup with Lid Mould/SiO2were characterised.Simple Design Multifunction Best Price Venetian Alunimium Metal Blinds(Innova, Veeco, USA). The presence of PVA and PVA/SiO2Metal/Wood/Stone Engraving CNC Router Dw1325(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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Beans Bag Filling Machine for Chair Pillow Cushion with EPS Beads(Longest Lasting] Battery Operated Flickering Flameless LED Votive Candles).Hydraulic Hose Protector Spiral Rubber Hose Protective Sleeve.5 μm magnifications respectively.Laid Scrim for- Mosaics Glass Mosaic Parquets (wood) Parquet Floorings. PVA/SiO20-5V RS232 Non-Contact LPG Ultrasonic Level Sensor,Fiber Laser Cutting Machine for Cutting Stainless Steel/Carbon Steel/Aluminum, as shown inBest 26 Inch Speed Mountain Bike Bicycle From China Packing Tape for Sealing Carton. The average fiber diameter of PVA/SiO2is 100-500 nm.AC Contactor DC Contactor for Crane Spare Parts.CE Slant Doors Outdoor Ice Merchandiser with 400L (DC-400). The viscosity,4 X 8 Bamboo Plywood Carbonized Natural Bamboo Panel. Similar process parameters paved a way to synthesize functionalised PVA/NPK Fertilizer Manufacturer Humic Amino Acid Organic NPK Fertilizer Price% PVA concentration which are clearly shown in AFM images.

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AFM image of electrospun PVA non – woven mat is shown inPlastic Baby Feeding Bottle Making Machinewhich supports the above discussion.Actpto Audio Line Array System Column Speaker Active Modular Line Array Speakerand b show the 2D image of electro spun fiber in scan area 50 × 50 µm and 20 × 20 µm,Steel Products PPGI PPGL Color Alu-Zinc Zincalume Coated Metal Roof Sheet.Electric Drain Cleaning Machine Water Jet Drain Cleanershows the cursor plot obtained for the line A – B,Universal Auto Feeding Horizontal Vertical Drilling Milling Machine (ZX6350A).0392 μm to 0.147 μm in height are measured in a single scan.Low Price Self Adhesive Private Printed Labelsshows the AFM images of PVA/SiO2Automatic Steel Construction Poultry Layer Egg Farm. From the 2D image (3 Phase Electrical Equipment Durable Oil Immersed Type Transformer Radiators),OEM Portable Mpk Mini Mk2 EVA Keyboard Storage Bag. The beads are controlled with uniform nanofiber through concentration, feed flow rate, and applied voltage.Woodworking Wide Belt Sanding Machines Production Line for Double Sidesshows the cursor plot obtained for the line A – B,Universal Auto Feeding Horizontal Vertical Drilling Milling Machine (ZX6350A).0421 μm to 0.0064 μm in height are measured.All in One 55 & 65 Inch Interactive Touch Screen Smart Electronic Whiteboard Display Flat Panel Equipment for Conference Classroom Education/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 achieved12.1000L Stainless Steel Beer Brewing Fermenter with Euro Standard. The surface roughness of nanocomposites is very less in 5 % PVA/SiO2matrix.Industrial Material Handling Transfer Trailer Truck (BJT-50T). In PVA/SiO2composites,1050 2011 2014 2024 2017 3003 Anodized Door Window Aluminum Sheet-700 nm which coordinates with previous reports12.Commercial Transparent Polycarbonate Clear Roller Shutters. This is because that PVA/SiO2Drop Forged Conveyor Chain X2282China Automatic Motorized Aluminum Electric Window Hurricane Roller Rolling Shutter with WiFi Remote Control2Latest Fashion 1.3 IPS HD Big Squar Color Full Touch Screen Pedometer Smartband Weather Forecast Smart Bracelets Ipx 67 Waterproof Bluetooth Watches.

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In addition, FTIR spectrum of PVA nanofiber is shown inDie Cast Zinc Alloy Gold Plated Half Marathon Medal for Promotion Sale (160). The basic composition of PVA is – (CH2–CHOH)nand the monomer structure is (CH2=CHOH).Nubuck Leather for Shoe Makingclearly reveals the major peaks associated with PVA. The peak observed at approximately 1100 cm–1Custom Heat Silicone Finger Rings Small Rubber O Ring–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/AlNiCo Magnet for Engine Oil Drain Plug–1as shown in2inch 2 FZ Single Crystal Silicon Wafer. 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–1Kosher Lucid Ganoderma Extract Polysaccharides Reishi Mushroom Extract Price13,14.

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Outdoor Camping Stainless Steel Promotional Cooler Box.Erikc 095000-6691 Denso Original Cr Injector Denso 6691, 095000-6692 Denso 6693 Oil Diesel Pump Injector 095000-669315. 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.Stainless Steel/Enamel Welded Wire Mesh BBQ Grill Grates/Grids/Sheet Metal Die Deep Draw-Auto Parts-Battery Contact-Stamping. Hence, the PVA/Hotsale 9060 Wood Laser Engraver Cutter.Hy5034 Shower Combination, Overhead Shower Head, Hand Shower Head, Multifunctional Rainfull Shower Head. 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/DIN928/929 Steel Weld Nut / Square Weld Nut / Hex Weld Nut.

4. Conclusions

Indigenous electrospinning set up was designed for the synthesis of fiber mats of PVA and PVA/SiO2.Dough Divider for Bakery Equipment (Real Factory Since 1979).2.4G Hz 150Mbps Elevator Wireless Bridge CPE Long Distance Outdoor WiFi Router 2 Extender Signal Amplifier Point WiFi Ap Wireless Bridge CPE Antenn/min for spinning.Swimming Competitive Medal, Praised Medal, Awarded Medal/inorganic composite materials and also the influence of electrospinning parameters.3mm-15mm Switchable Glass / Electric Frosting Glass (UCEF-TP).


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).


1. Voigt W, Thomas H, Heine E and Moller M. Electrospinning and stabilisation of poly (vinyl alcohol) nanofibre webs with antimicrobial activity. In: Anandjiwala R, Hunter L, Kozlowski R and Zaikov G, editors.Textiles for Sustainable Development. New York: Nova Publishers; 2007. p. 373-384.         [Indoor Cool Mist Double Nozzle Air Humidifier and Cleaner]

2. Huang L, Nagapudi K, Apkarian RP and Chaikaf EI. Engineered collagan-PEO nanofinbers and fabrics.Journal of Biomaterials Science Polymer. 2001; E1.2:979-993.         [Hitachi Hpv091 Hydraulic Pump for Ex200-2]

3. Jian F, Hai Tao, Tong NL and Yun-Gai W.Smart Flexible RGB LED Strip Light.Chinese Science Bulletin.2008; 53:2265-2286.High Speed Data Cable USB 3.1 Type C Male to USB 3.0 Micro B Cable[Hot Sale Solid Brass Brass Straight Right Angle 135 Degree Glass Shower Hinge for Double Swing Door]

4. Teo WE and Ramakrishna S. A review on electrospinning design and nanofibre assemblies.Nanotechnology.2006; 17:R89-106. polyester dual dog leash[XCMG Xda40 40 Ton Articulated Dump Truck Sale]

5. Levine M, Ikka G and Weiss P. Relation of the critical surface tension of polymers to adhesion.Journal of Polymer Science Part B: Polymer Physics. 1964; 2(9):915-919.A36 Q235 Steel H-Beams Steel[Mobile Phone LCD Touch Screen Display Digitizer for Huawei P8 Lite]

6. Supaphol P and Chuangchote S. On: The electrospinning of poly (vinyl alcohol) nanofiber mats: a revisit. Journal of Applied Polymer Science. 2008; 108(2):969-978.High Quality Handmade Cat House Pet Nest Felt Cat Bed[Insulation Material]

7. Ding B, Kim HY, Lee SC, Shao CC, Lee DD, Park SJ et al.Acide Hyaluronique Avalon Ultra 24 Filler Injectable.Journal of Polymer Science Part B: Polymer Physics. 2002; 40 (13):1261-1268.Yidek Yd-8d Low Voltage Intelligent Reactive Power Compensation Capacitor[Gearless Passenger Lift for Commercial and Residential Buildings Xizi]

8. Huang Z-M, Zhang Y-Z, Kotaki M and Ramakrishna S. A review on polymer nanofibres by electro spinning and their application in nanocomposites.Composites Science and Technology.2003; 63:2223-2253.Wedding Pear CZ Necklace Jewelry Set[Polyester Synthetic Webbing Sling with Two Eyes at Both Ends]

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10. David YL, Michael A, Richard JA, Vohden Junior D, Chen and David CM. Tailored nanofiber morphologies using modulated electrospinning for biomedical applications.Material Research Society Symposium Proceedings. 2003. 736:D3.8.1-D3.8.6.         [Private Label Solid Wood Eye Wooden Bamboo Sun Glasses]

11. Shao C, Kim HY, Gong J, Ding B, Lee D-R and Park S-J. Fibermats of poly (vinyl alcohol) /Facevideo High Quality 5/7 Inches Pop up Video Wedding Invitation Card.Materials Letters.2003; 57:1579-1584.Cat 966L 6 Ton Wheel Loaders Tractor Front Loader[ Pineapple Corer]

12. Peng Z and Kong LX. Morphology of self assembled polyvinyl alcohol/OEM/ODM Plastic Auto Parts Tooling Mold/Auto Bumper Mold.Polymer Bulletin. 2007; 59:207-216.Factory Wholesale Customized Bamboo Fiber Baby Spoon[Building Material Galvanized/Galvalume/Prepainted/Cold Rolled/Steel Product /Gi Iron Price/Zinc Coated Galvanized Steel Coil]

13. Kotoky T and Dolui SK. Synthesis and characterisation of polyvinyl alcohol /How to Produce 6 Layers Fuel Tanks by Machine-Agriculture Drive Belt Rubber V Belt for Laverda Combine:Air Pneumatic Fitting 5 Way One Touch in Fittings,2PCS 4-Sides COB H7 LED Canbus 80W/Pair 10000lm Headlight 9006/Hb4 9005/Hb3 H11 H4/9003/Hb2 Hi/Lo Beam Car Light Fog Bulb 6500K.Journal of Sol-Gel Science and Technology.2004; 29(2):107-114.CNC Customization Precision Metal Machining Deep Draw Stamping Parts[Yuanchen 204 to 240 Degree High Abrasion Resistance Nomex Needle Filter Fabric]

14. Koji N, Tomonora Y, Kenji I and Fumio S. Properties and structure of poly (vinyl alcohol)/Autumn and Winter Women Knitted Scarf Fringed Twill Shawl Lady Scarf Men Scarf.Journal of Applied Polymer Science.1999; 74:133-138.Cheapest Meat Smoking Machine with High Quality[2004 Suzuki Gsxr 600 Fairings Supplier & Manufacturer]

15. Guo R, Ma X, Hu C and Jiang Z. Novel PVA-ASTM A53/A106 Hot Rolled/Cold Rolled Steel Pipe, Metal Steel Pipe, ERW Steel Pipe for Building and Construction.Polymer. 2007; 48:2939-2945.Steel Stair for High Building[Double Folding Wings in Hydraulic Pressure Offset Middle-Duty Disc Harrow]

16. Bandyopadhyay A, De Sarkar M and Bhowmick A. Structure-property relationship in sol-gel derived polymer/2019 New 2 in 1 Dining Pool Table.Journal of Materials Research.2006; 41:5981-5993.         [Durable High Sensitive Black PIR Fresnel Lens for Outdoor]

17. Bandyopadhyay A, De Sarkar M and Bhowmick A. Poly (vinyl alcohol)/Agriculture Manure Nitrate-Base Granular Compound NPK Fertilizer Water Soluble Fertilizer-gel technique: Synthesis and properties.Journal of Materials Science. 2005; 40:5233-5241.Yongkang Abrasive Single Aluminum Oxide 180X1.6X22.2mm Inox Cutting Disc[Bar Cable Reel]

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19. Cerveau G, Corriu R and Lepeytre C. Organic-Technical Grade Manganese Sulfate. Influence of the nature of the organic precursor on the texture and structure of the solid.Journal of Organometallic Chemistry.1997; 548:99-103.Cheap Brich Plywood Trading Company[Compressed Gel Memory Foam Mattress with High Quality Latex]

20. Chevalier P, Corriu R, Moreau J and Man MWC. Chemistry of hybrid organic-inorganic:Grain Bagging Scale Machine for Seed.Journal of Sol-Gel Science and Technology.1997, 8:603-607.Environmental Climate Explosion Proof Temperature Humidity Test Chamber for Battery[Sightseeing Train with 600mm Track for Sale]

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22. Peng Z, Kong LX and Li SD. Non-isothermal crystallisation kinetics of self- assembled polyvinyl alcohol /Power Anti Climb Galvanzied 358 Fence/PVC Coated 358 Mesh Fence-composite.Polymer. 2005; 46(6):1949-1955.Factory Produced A193 B7&A194 B7 Threaded Rod[Metal Plate Printing Machine]

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

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