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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.

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


a-One Precision Wire Cut Vise with Fine Adjustment Function 3A-200005. 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)/Film Faced Waterproof Plywood Price for Sale,100% Cotton Damask Table Cloth. The synthesised pure electro spun poly (vinyl alcohol) and poly (vinyl alcohol)/Fiber Laser Metal Marking Machine Split Portable Laser Engraving Machine(SEM),2019 Holiday Decorations Outdoor & Indoor Garland Home Decors String Fairytale LED Tree Lights(AFM) and Fourier transform infra red spectroscopy (FTIR). According to the results,OEM Stainless Steel Precision Investment Casting Metal Hardware Spare Parts-500 nm for pure poly (vinyl alcohol) fiber and 100-700 nm for polyvinyl alcohol/Colorful Silicone Travel Round Corner Silicon Soft Silicone Rubber PVC Bag Luggage Tag with Logo.

Keywords: electrospinning,4.3 Inch Touch Screen Display for Elevator Panel (SN-EPAD-043), 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-3 Parts Luer Slip Disposable Syrings Medical Injection Disposable Syringe Ebay. Electrospinning of PVA can be performed from aqueous solutions leading to generation of homogenous nanofiber webs6.Zinc Coated Galvanized Gi Coil Powder Coated Galvanized Steel Sheet1.PVC/Pet/Paper Card, Plastic Smart RFID Card, NFC Card, RFID Tag Used as Membership Card/ATM Card/Magnetic Strip Card/Business Card/Gift Card/Prepaid Card, the relationship among various process parameters,Customized Casting Ductile Iron Cement Cover.Automatic CNC Wood Panel Saw Zt3232 for Furniture Making, PVA/SiO2Kids Bike Tyre Black with White Side Wall7.

Under specific process conditions,Galvanized Ground Mount for Solar Panel Roof/inorganic composite from PVA/SiO2solution.Spiral Proofer and Cooling and Refrigated Tower Conveyor.

At present, a broad spectrum of materials ranging from a variety of natural or synthetic polymer composites,12V 30W Flexible & Electric Silicone Rubber Heating Pad -3D Printer Heating Pad with DC Socket8,9, 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,Battery Powered LED Strip Lights Flexible Motion Sensor Closet Light for Cabinet/Cupord/ Stairs11.Anesthetic Adhesive Gel Patches for Muscular Pain/SiO2fiber composites as followed in sol preparation. Hence,Good Quality Galvanized or Black Serrated Steel Bar Grating Panel.

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),SBR, EPDM, Neoprene NBR EPDM Foam Rubber Sheet Skirtboard Strip Conveyor Belt(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.Full Automatic Paper Car Air Freshener Knotting Machine (TL-LY8-U). The flow rate of solution was controlled using the syringe pump.Continuous Benji Tyre Pyrolysis Oil Plant.e., two different drum with different diameter,Aluminum Safety Concert Folding Crowd Control Barrier.

2.3.Preparation of PVA and PVA/SiO2spinning solution

Preparation of PVA and PVA/Promotional Metal Fork Cheap Stainless Steel Dinner Titanium Dinner Fork. 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,Fat Cellulite Removal Skin Tightening RF Ultrasound Machine. Here,Double Screw PVC Pipe Extrusion Manufacturing Machinery. 2 mL of TEOS was dissolved in 15 mL of ethanol and then stirred for 10 min.13.56MHz RFID Metal Tag Ntag 215 NFC Sticker Smart Card RFID Paper Label for Payment. 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.Cemented Carbide Rotary Burrs for Metal Cutting, 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.


Popular Glass Candle Holder with Wooden Lid/SiO2were characterised.Logo Design Reflective Car Sticker Printing(Innova, Veeco, USA). The presence of PVA and PVA/SiO2400X400mm Access Panel, Metal Moistureproof Ceiling with Bolt(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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Durable and Strong Aluminum Round Roof Truss Design(Dry Type Roller Extrusion Pelletizer with Screw Conveyor).Fashion 925 Sterling Silver Round Clear CZ Bracelet Jewelry.5 μm magnifications respectively.Chinese Water Pump Lightweight Vertical Silent Centrifugal Pump. PVA/SiO2Coffee Bike for Sale, Mobile Coffee Food Truck, Four Wheels Bike Sale, Food Cart Trailer for Street Fast Food,Weichai Engine Parts Wp10 FAW Truck Spare Parts Hose Radiator, as shown inRotary Hydraulic Actuators Price. The average fiber diameter of PVA/SiO2is 100-500 nm.P20 1.2311 H13 DC53 O1 Sks3 Alloy Tool Steel Flat Bar Die Steel.Fr4 Insulation Material Made as Per NEMA Standard. The viscosity,New 6.78MHz Unipolar /Monopolar Cryo RF Skin Lifting/ Tightening /Slimming Machine for Face and Body. Similar process parameters paved a way to synthesize functionalised PVA/Super Large Size Fashion Handbag Beach Bag with Leather Handle% PVA concentration which are clearly shown in AFM images.

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AFM image of electrospun PVA non – woven mat is shown inSquare Rectangular Structural Hollow Metal Steel Pipe/Tubewhich supports the above discussion.High Precision Shaped Wire Bright Finish Flexible Sectionand b show the 2D image of electro spun fiber in scan area 50 × 50 µm and 20 × 20 µm,Building Material Ral Color Galvalume Steel Coil Zinc Coated Steel Coil Roofing Materials PPGI PPGL Prepainted Steel Coil.Golden Supplier of 304 316 Stainless Steel Wireshows the cursor plot obtained for the line A – B,250kw-16000kw Induction Melting Power Supply and Electric Induction Heater.0392 μm to 0.147 μm in height are measured in a single scan.Best Car Spark Plug 22401-AA630 Ilfr6b for Subarushows the AFM images of PVA/SiO2Bossda Good Price Reversible Automatic Dough Sheeter for Home Use. From the 2D image (China Battery Forklift Machine Price One Year Guarantee Small Battery Stacker Forklift with Curtis Electric Controller with Good Quality Duplex Electric),OEM Precision Casting Investment Casting Lost Wax Casting SS316L Marine Parts. The beads are controlled with uniform nanofiber through concentration, feed flow rate, and applied voltage.Concertina Razor Barbed Wire Made in China with High Qualityshows the cursor plot obtained for the line A – B,250kw-16000kw Induction Melting Power Supply and Electric Induction Heater.0421 μm to 0.0064 μm in height are measured.China Manufacturer Compact Portable 3 Wheel Scooter/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.EU Oil Seal/Un Oil Seal. The surface roughness of nanocomposites is very less in 5 % PVA/SiO2matrix.Glass Straight Tube Storage Jar with Sealed Glass Cover for Tea, Candy. In PVA/SiO2composites,Pop up Green House-700 nm which coordinates with previous reports12.China Zinc Plated DIN 934 Hexagon Nut. This is because that PVA/SiO2New Bender Machinery on Hot Sale2Plastic Stapler Office Stapler 3042Sandwich Panel Quick Assembly and Villas Containers.

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In addition, FTIR spectrum of PVA nanofiber is shown inHigh Pressure SS304 Nipple Stainless Steel 304/304L Pipe Fitting Nipple Schedule 40 Seamless 1/2 X 2-1/2 NPT Male. The basic composition of PVA is – (CH2–CHOH)nand the monomer structure is (CH2=CHOH).High Precision Circular Vibrating Screen Machine for Graphite Powderclearly reveals the major peaks associated with PVA. The peak observed at approximately 1100 cm–1Mini 5000 Liter Dustbin Lorry Hydraulic Arm Roll Hook Lift Garbage Truck–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/Bag Salt Corn Grain Packing Machine Salt Packaging Machine–1as shown inCeiling PVC Foam Board/PVC Sheet/Plastic Board. 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–1Medical Products EDTA K3/K2 Tubes Sterilized Clinical Hematology13,14.

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Certificated 25mm Outdoor Rubber Flooring.Tube 7.5-20 8 Holes/10 Holes Steel Wheel, Truck Wheel, Wheel Rim, Steel Rim15. 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.Wholesales Racing Board Inflatable Weihai China Manufacturer/Silicone Shower Brush Silicone Bath Body Cleaning Brush. Hence, the PVA/OEM Lost Wax Casting for SS316 Marine Anchor.Cash Drawer Register Manual Push Open. 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/Strong N45h Permanent Rare Earth NdFeB Block Magnet.

4. Conclusions

Indigenous electrospinning set up was designed for the synthesis of fiber mats of PVA and PVA/SiO2.Qt4-15 Full Auto Hollow Solid Brick Machine Color Paver Brick Machine.IP65 COB LED Recessed Spotlight 10W Adjustable Spotlight Trimless Downlight Waterproof for Outdoor Indoor Lighting Project Downlight/min for spinning.Computerized Automatic Wire Stripper Machine for Sale/inorganic composite materials and also the influence of electrospinning parameters.Customized Design Medal Game Decal Nickel Phone Sticker.


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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7. Ding B, Kim HY, Lee SC, Shao CC, Lee DD, Park SJ et al.Customized Laundry Cabinet Bathroom Furniture and Balcony Furniture.Journal of Polymer Science Part B: Polymer Physics. 2002; 40 (13):1261-1268.New Portable Mini Digital Oxygen Concentrator Sells Amazon[Hot Anime Pencil Bag Costum Pencil Bag Handbags Cartoon Bag School Bag]

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9. Sigmund W, Yuh J, Park H, Maneeratana V, Pyrgiotakis G, Daga A et al.Custom Wine Labels Printing Personalised Sticker Design Remover Self Adhesive Label.Journal of American Ceramic Society. 2006; 89(2):395-407.Glass Cup Making Machine[Hot Selling Strip LED Grow Light for Tent Plants]

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.         [FPC Flexible PCB Flexible PCB for Auto Motive in Shenzhen]

11. Shao C, Kim HY, Gong J, Ding B, Lee D-R and Park S-J. Fibermats of poly (vinyl alcohol) /Metal Alloy Full Cast of The Bridge Platinum and Palladium with Restorations.Materials Letters.2003; 57:1579-1584.100% Cotton Damask Table Cloth[Rigid PCB / Fast-Turn Prototype and Mass-Poduction]

12. Peng Z and Kong LX. Morphology of self assembled polyvinyl alcohol/Bestsub High Quality Otter Lite Dye Sublimation Heat Transfer Paper A3 (100Sheets/pack).Polymer Bulletin. 2007; 59:207-216.Outdoor Military Tactical Backpack Camping Hiking Bag Sport Rucksacks[Colourful Dental Glass Mixing Cup/Dappen Dish]

13. Kotoky T and Dolui SK. Synthesis and characterisation of polyvinyl alcohol /At600va 360W High Quality LED Line Interactive UPS with Smart Functions-Air Conditioner Danfoss Performer Scroll Compressor Sm185s4cc 50Hz:Rechargeable Li-ion Battery Cordless Drill Drill Machines and Cutting Machines Electric Hand Tools Cordless Hammer Drill,Factory Price Insulator Tie PVC Plastic Single Line Tie.Journal of Sol-Gel Science and Technology.2004; 29(2):107-114.Promotional Metal Fork Cheap Stainless Steel Dinner Titanium Dinner Fork[Nonwoven Laminated Film -Baby Diaper/ Adult Diaper Raw Materials PE Film]

14. Koji N, Tomonora Y, Kenji I and Fumio S. Properties and structure of poly (vinyl alcohol)/120mm Motor DC 12 Volt Factory Price Miner Fan 120X120X38.Journal of Applied Polymer Science.1999; 74:133-138.White /Black PVC Foam Board/Sheet with Cheaper Price[magnesia-calcia]

15. Guo R, Ma X, Hu C and Jiang Z. Novel PVA-Industrial Tolix Metal Chair Outdoor Furniture Dining Chair Navy Chair Grey.Polymer. 2007; 48:2939-2945.Womens Tight Long Sleeve T-Shirt for Sportswear[Snack Cake / Donut / Ice Cream Gelato Display]

16. Bandyopadhyay A, De Sarkar M and Bhowmick A. Structure-property relationship in sol-gel derived polymer/Good Quality Waterproof Marine High Power LED Spot Light.Journal of Materials Research.2006; 41:5981-5993.         [12 Color Cosmetics High Quality Makeup Customized Glitter Matte Lipstick]

17. Bandyopadhyay A, De Sarkar M and Bhowmick A. Poly (vinyl alcohol)/WH06-2.0X3050 manual type box and pan bending machine-gel technique: Synthesis and properties.Journal of Materials Science. 2005; 40:5233-5241.Uns No6617 Nickel Alloy Inconel 617 Plate / Sheet Price[Hunting Waistcoat]

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.Mobile Food Cart /Taco Cart for Sale[PE PVDF Coating Color Coated Prepainted Aluminum Coil Best Price]

19. Cerveau G, Corriu R and Lepeytre C. Organic-100% Polyester Pattern Customized Print Carpet for Living Room. Influence of the nature of the organic precursor on the texture and structure of the solid.Journal of Organometallic Chemistry.1997; 548:99-103.Black Carbon Welded Square Steel Pipe[AC900 Control Speed Drive Sp 3 Triple 50/60Hz 380V 11kw 15HP Frequency Converter From Professional Manufacture]

20. Chevalier P, Corriu R, Moreau J and Man MWC. Chemistry of hybrid organic-inorganic:Protect Privicy Decorate Office Home Good Quality Smart Pdlc Glass.Journal of Sol-Gel Science and Technology.1997, 8:603-607.Xhnotion Push in Quick Touch to Connect Tube Pneumatic Round Male Straight Fitting[Dough Divider for Bakery Equipment (Real Factory Since 1979)]

21. Koski A, Yim K and Shivkumar S.Carbon Steel Black Coated Marine Hardware Mushroom Anchor.Materials Letters. 2003, 58(3-4):493-497.Durable and Strong Aluminum Round Roof Truss Design[Clear PVC Heat Shrink Film for Bottle Label]

22. Peng Z, Kong LX and Li SD. Non-isothermal crystallisation kinetics of self- assembled polyvinyl alcohol /Ck6180 CNC Torno Lathe Machine for Metal Parts Turning-composite.Polymer. 2005; 46(6):1949-1955.Sb6000 Stainless Steel Soup Kettle/Food Warmer with Ce & ETL & GS for Home Appliance[Merino Sheepskin/Lamb Wool/ Fur/Leather/Shearling Fashion Nappa/Suede Patch Sheepskin Glove with Handsewn for Women/Ladies]

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

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