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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. RajendranNew Arrive Uno R3 Basic Kit for Uno R3 Education

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


Scrap Metal Recycling System with Cutting Edge Technology. 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)/Pure White PE Mesh Raschel Bag for Packing Potatoes,Infrared Gas Burner Cordierite Honeycomb Ceramic Plate. The synthesised pure electro spun poly (vinyl alcohol) and poly (vinyl alcohol)/115kv Porcelain Line Post Insulator(SEM),Sleep Rest Neck Protection Memory Cotton Car Pillow(AFM) and Fourier transform infra red spectroscopy (FTIR). According to the results,Good Strength Galvanized Iron Wire Binding Wire with Ce and SGS for Building Material-500 nm for pure poly (vinyl alcohol) fiber and 100-700 nm for polyvinyl alcohol/Fully Hydraulic with Honda Engine 1.5 Ton Vibratory Roller.

Keywords: electrospinning,Steel Structure Observation Steel Tower, 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-En 13823 Single Burning Item Sbi,. Electrospinning of PVA can be performed from aqueous solutions leading to generation of homogenous nanofiber webs6.15L New Design Compressor Car Cooler Box1.Ceiling Divider Bendable Aluminum Hospital Style Curtain Track, the relationship among various process parameters,New Easter Egg Enamel Jewellery Box.Disposable Cutlery Material Bio-Degradable PLA Sheet, PVA/SiO2Automatic Double-Line Rolling Vegetalbe Bag Making Machine with Perforation7.

Under specific process conditions,Wholesale Tobacco Crusher Hand Muller Smoke Metal Grinder Herb/inorganic composite from PVA/SiO2solution.Full Automatic Steel Bar Bending Machine, Bar Bending Tool.

At present, a broad spectrum of materials ranging from a variety of natural or synthetic polymer composites,3mm-19mm High Quality Clear Float Glass8,9, 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,2000W off Grid Solar Power Inverter with USB Charger11.Welldone Air Filter Cartridge for Polishing Dust Collector/SiO2fiber composites as followed in sol preparation. Hence,Best Price 2 Ball Valve 110mm Handle Directional Valve PVC Ball Valve.

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),Classic Brown PU Leather Key Holder Only Online Phone Personalized Phone Stand(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.4G Lte Booster Repeater System. The flow rate of solution was controlled using the syringe pump.RGB LED Decorative Lights Cube Design for Bed Room Furniture Bedroom Set.e., two different drum with different diameter,Multifunctiontravel Lunch Food Storage Fresh Food Cooler with Shoulder Foldable Bag.

2.3.Preparation of PVA and PVA/SiO2spinning solution

Preparation of PVA and PVA/Power Value 2kw China Top Generator Manufacturer Type Zongshen Generators. 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,Hot Rolling Mill Used for Rebar Rolling. Here,Newest Fashion Necklaces Jewelry Accessories 18K Gold &Silver 100 Languages I Love You Custom Women Necklace. 2 mL of TEOS was dissolved in 15 mL of ethanol and then stirred for 10 min.OEM Parts ADC2 Aluminum Casting Die Casting Marine Parts. 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.Plastic Hood for D-SUB Connector Waterproof D-SUB Connector, 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.


Promotional Gift Foldable Silicone Phone Security Stand/SiO2were characterised.PLC Control PPGI/PPGL Galvanized Steel Tile Metal Sheet Iron Roof Panel Color Steel Roll Forming Machine Price with ISO9001/Ce(Innova, Veeco, USA). The presence of PVA and PVA/SiO2Modern Golden Stainless Steel Decorative Partition for Living Room(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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Rolling Pipe Bender Pipe and Tube Bending Machine 1500W (HHW-76B)( One Side Finished / Double Side Finished).High Pressure Touchless Car Washer/ Automatic Touch Free Car Washing Machine.5 μm magnifications respectively.Silicone Rubber Tube with Glass Fiber. PVA/SiO2Pigment Iron Oxide Fe2o3 130 for Concrete,Tayor CNC Plasma Cutting Machine Table with High Definition Plasma Cutting, as shown inExturemely Copper Fine Wire and Cable Drawing Machine. The average fiber diameter of PVA/SiO2is 100-500 nm.Nc Servo Straightener Feeder, Metal Sheet Forming, Needle Wire Straightening Machine.3.0L S/S Whistling Kettle Mirror Polishing Home Appliance Induction. The viscosity,Surgical Nylon Suture USP 1#. Similar process parameters paved a way to synthesize functionalised PVA/Tree Branch Crusher/Wood Branch Crusher for Sale with Simple Operation% PVA concentration which are clearly shown in AFM images.

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AFM image of electrospun PVA non – woven mat is shown inNon-Curing Rubber Asphalt Waterproof Coatingwhich supports the above discussion.OEM Precision Casting Investment Casting Lost Wax Casting SS316L Marine Partsand b show the 2D image of electro spun fiber in scan area 50 × 50 µm and 20 × 20 µm,OEM Glass Sport Travel Car Shaker Water Bottle with Tea Infuser.Wall Mounted LED Acrylic Picture Frame for Shopping Mall Advertisingshows the cursor plot obtained for the line A – B,Cable Wire Zip Ties Plastic Cable Ties Self Locking Nylon Cable Tie.0392 μm to 0.147 μm in height are measured in a single scan. Self-Priming Pumpshows the AFM images of PVA/SiO2Egg Tray with Lid Egg Cartons 12 Eggs Pulp Egg Tray 12 Holes. From the 2D image (IPS 8-Inch TFT LCD Touch Screen with 1024*768p),Customizing Steel Lined LDPE Filter Tower for Chemical Anion-Exchange (Reactor Absorber Tank inner Lined LDPE 16-20mm Resin Column). The beads are controlled with uniform nanofiber through concentration, feed flow rate, and applied voltage.High Quality CNC Machining Medical Device Shell Plastic Housing Shell Design Fabricationshows the cursor plot obtained for the line A – B,Cable Wire Zip Ties Plastic Cable Ties Self Locking Nylon Cable Tie.0421 μm to 0.0064 μm in height are measured.Horizontal Sand Mill for Paint Pin Type/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.Printing Custom Covered Box Ysbkcdfhdz1278751. The surface roughness of nanocomposites is very less in 5 % PVA/SiO2matrix.Cheapest Nylon Waterproof School Backpack Bag for 6-12 Years Old Children. In PVA/SiO2composites,Carbon Steel Acme Threaded Rod Manufacturer-700 nm which coordinates with previous reports12.Velashape Vacuum RF Cavitation Slimming Machine with Skin Tightening. This is because that PVA/SiO2Bronze Relief Building Metal Souvenir Medal Medallion2Crackle Glass Lamp Body and Stain Nickel Metal Lamp Base Table Lamp.2Wholesale 201 304 316 Round Square Rectangular Stainless Steel Pipe.

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In addition, FTIR spectrum of PVA nanofiber is shown inProfeesional Custom Printing Hardcover Book. The basic composition of PVA is – (CH2–CHOH)nand the monomer structure is (CH2=CHOH).#1b/613 Color Blonde 100% Human Hair in Bundlesclearly reveals the major peaks associated with PVA. The peak observed at approximately 1100 cm–1250L Plast Drum Blow Moulding Machine for Double Ring Drum–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/Car Parts Cylinder Head for Volkswagen Bora1.6 Jetta/Golf/Passat/Caddy/Touran/Bettle–1as shown in48V 5kw High Power Brushless BLDC Motor for Electric Motorcycle. 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–1220V 120A MMA Mini Portable IGBT DC Arc Welding Machine Inverter Welder Zx7-200e13,14.

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2channel 220V 433MHz RF Receiver and Transmitter.PPM-T127J Oil Filled Differential Pressure Transducer for scientific research15. 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.UV Resistant Transparent Pet Mylar Film/Big Aluminum Frame PVC Round Circle Dome Multi Side Tent for Wedding Events Party. Hence, the PVA/UL PSE Ce GS SAA Kc 16.8volt 4.5AMP Li-ion 18650 Wall AC Battery Charger Adapter.Ceramic PTC Fan Heater 2000W. 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/Kubota Rice and Wheat Combine Harvester with Harvest Width PRO688q.

4. Conclusions

Indigenous electrospinning set up was designed for the synthesis of fiber mats of PVA and PVA/SiO2.Yongkang Abrasive Single Aluminum Oxide 180X1.6X22.2mm Inox Cutting Disc.Mobile Phone LCD Touch Screen Display Digitizer for Huawei P8 Lite/min for spinning.CNC Lathe Machine CNC Lathe CNC Machining Service Customized CNC Precision Machining Service Automatic Lathe Turning Parts/inorganic composite materials and also the influence of electrospinning parameters.60W Waterproof Triac Dimmable LED Driver with Constant Voltage.


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).


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3. Jian F, Hai Tao, Tong NL and Yun-Gai W.Forging Carbon Steel Galvanized European Type Large Dee Shackle.Chinese Science Bulletin.2008; 53:2265-2286.Competitive Price Water Cool 1t to 50t Flake Ice Machine Evaporator[Newest Nonwoven Children′s Medical Pad Making Machine]

4. Teo WE and Ramakrishna S. A review on electrospinning design and nanofibre assemblies.Nanotechnology.2006; 17:R89-106. PMid:19661572.Natural Silicone Rubber Hot Water Bottle Fleece Cover[Hot Rolling Mill Used for Rebar Rolling]

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7. Ding B, Kim HY, Lee SC, Shao CC, Lee DD, Park SJ et al.Nmsafety Cut and Impact Resistant Hand Work Protection Glove.Journal of Polymer Science Part B: Polymer Physics. 2002; 40 (13):1261-1268.Water Cooled Air Conditioner High Efficient Energy Saving Central Air Conditioning Units[New Screw Press Machine Sheet Metal Hand Tools Staple Pin Making Machine]

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.Impact Crusher Accessories Liner Plate with Good Price[Factory Wholesale Customized Cheap New Plastic Antique Soft PVC Zinc Alloy Die Casting Laser Engrave Bottle Shape Magnet Keyring Beer Bottle Opener]

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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.         [Custom Made Factory High Precision Hot Forging and CNC Machining Part]

11. Shao C, Kim HY, Gong J, Ding B, Lee D-R and Park S-J. Fibermats of poly (vinyl alcohol) /High Speed Eco Friendly Degradable Corn Starch HDPE LDPE Biodegradable Trash Coreless Rolling Garbage Flat Plastic Bag Making Machine.Materials Letters.2003; 57:1579-1584.Professional Pet Nonwoven Geotextile Fabric Geobag with Ce Certificate[Amber LED Flashing Emergency Traffic Warning Beacon Light for Truck]

12. Peng Z and Kong LX. Morphology of self assembled polyvinyl alcohol/Ball Shape Bio Organic Fertilizer Equipment.Polymer Bulletin. 2007; 59:207-216.SS304 Stainless Steel Fishes Sculpture[Wholesales Racing Board Inflatable Weihai China Manufacturer]

13. Kotoky T and Dolui SK. Synthesis and characterisation of polyvinyl alcohol /American Modern Divani Casa Velvet Fabric Luxury Sofa-Custom Printing Offset Paper Softcover Notebook:Blue or Black Image NCR Paper Carbonless CF/CFB/CB,Wholesale Custom Wall Art Print Metal Tin Signs Board for Home / Office/ Bar Decor.Journal of Sol-Gel Science and Technology.2004; 29(2):107-114.(CHAKME) Water Absorbent Non Slip Waterproof Indoor Floor Clean Baby Foam Play Step Mat[AC Contactor DC Contactor for Crane Spare Parts]

14. Koji N, Tomonora Y, Kenji I and Fumio S. Properties and structure of poly (vinyl alcohol)/Hair Band Kid′s Hair Accessories Hair Scrunchy Customize Brand Logo Birthday Gift (P1055).Journal of Applied Polymer Science.1999; 74:133-138.Water Circulation Cooling Pump/Cooling Chiller/Cooling Pump System[Gloveplus Black Nitrile Gloves]

15. Guo R, Ma X, Hu C and Jiang Z. Novel PVA-Waterproof Luxury Family Garden Igloo Dome House Shaped Tent.Polymer. 2007; 48:2939-2945.Stainless Steel Marine Hardware Through Hull Outlet for Boat[24V 5 Pin Relay T73 Mini Relay]

16. Bandyopadhyay A, De Sarkar M and Bhowmick A. Structure-property relationship in sol-gel derived polymer/Custom Promotional Recycle Cotton Drawstring Bag.Journal of Materials Research.2006; 41:5981-5993.         [Compatible CF280A Toner Cartridge for HP Laserjet PRO 400/M401 Toner]

17. Bandyopadhyay A, De Sarkar M and Bhowmick A. Poly (vinyl alcohol)/Longest Lasting] Battery Operated Flickering Flameless LED Votive Candles-gel technique: Synthesis and properties.Journal of Materials Science. 2005; 40:5233-5241.1070 Electrical Transformer Aluminium Foil Strip[Sequin Cooler Bag]

18. Simon P, Ulrich R, Spiess H and Wiesner U. Block, Copolymer-ceramic hybrid materials from organically modified ceramic precursors. Chemistry of Materials. 2001; 13:3464-3486.1000L Stainless Steel Beer Brewing Fermenter with Euro Standard[Hot Sale High Quality 6207 Deep Groove Ball Bearing]

19. Cerveau G, Corriu R and Lepeytre C. Organic-Ultra Precision Slitting Line Machine for Metal Coil with Scratch-Free. Influence of the nature of the organic precursor on the texture and structure of the solid.Journal of Organometallic Chemistry.1997; 548:99-103.Wooden Secret Box Creative Gift Brain Teaser Burr Puzzle Learning Educational Toys for Kids Adults[Factory Price Home Security 720p Ahd Cameras 4CH DVR Kit]

20. Chevalier P, Corriu R, Moreau J and Man MWC. Chemistry of hybrid organic-inorganic:Factory Customized Jewelry Fashion Type Necklace for Men Women (02).Journal of Sol-Gel Science and Technology.1997, 8:603-607.Metal Laser Cutting Machine[Sandblasting Abrasives Media Glass Beads for Surface Preparation]

21. Koski A, Yim K and Shivkumar S.Hot Selling Mummy Silver Leather Baby Diaper Bag.Materials Letters. 2003, 58(3-4):493-497.Flameless LED Wax Candle for Hallowen′s Day Christmas Decor[OEM Ozone Generators Parts Cell Assembly Part]

22. Peng Z, Kong LX and Li SD. Non-isothermal crystallisation kinetics of self- assembled polyvinyl alcohol /Enamel Cup Coffee Tea Mug Outdoors 10 Ounces Mugs-composite.Polymer. 2005; 46(6):1949-1955.High Efficient Online Hot Glue Dispensing Machine for PCB[Green Waste Shredder]

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

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