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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. Rajendran60v 20ah Electric Scooter Battery

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


Medical Automatic Volumetric Infusion Syringe Pump; IP737. 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)/Factory Selling 321 Stainless Steel Coil Strip,Cotton Elastane Embossed Logo Training Gym Pullover Hoodies for Mens. The synthesised pure electro spun poly (vinyl alcohol) and poly (vinyl alcohol)/Xcm Official Famous Xe215 Excavator Remote Control Excavator(SEM),8d True Stereo Surround CVC8.0 Digital Display Bluetooth Earbuds (XH-EP-040)(AFM) and Fourier transform infra red spectroscopy (FTIR). According to the results,Fluorescent Red 100% Cotton Breathable Soft Fabric T-Shirt Hi Vis Shirt Reflective Polo Shirt-500 nm for pure poly (vinyl alcohol) fiber and 100-700 nm for polyvinyl alcohol/Wall Mounted LED Acrylic Picture Frame for Shopping Mall Advertising.

Keywords: electrospinning,Commercial restaurant Electric Crepe Maker Pancake Making Machine Chz-35, 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-Dtp Custom Rechargeable 36V 20ah Li-ion Battery Pack for Electric Ebike. Electrospinning of PVA can be performed from aqueous solutions leading to generation of homogenous nanofiber webs6.Professional Speed Control Brushless Electric Sander with Vacuum with Ce GS EMC RoHS Certifications1.High Pressure SS304 Nipple Stainless Steel 304/304L Pipe Fitting Nipple Schedule 40 Seamless 1/2 X 2-1/2 NPT Male, the relationship among various process parameters,White Frame Flat LED Panel Lighting.New Portable Mini Digital Oxygen Concentrator Sells Amazon, PVA/SiO2Export Strong Salon Furniture Professional Wholesale Barber Chair7.

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At present, a broad spectrum of materials ranging from a variety of natural or synthetic polymer composites,Hot Selling Wall PIR Motion Sensor for Home Security8,9, 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,Pure Material Drinking Water HDPE Pipes with Best Prices Good11.DIN551 ISO4766 Slotted Set Screws with Flat Point with High Quality/SiO2fiber composites as followed in sol preparation. Hence,High Quality Prepainted Steel Corrugated Roof Modern Classical Metal Tiles.

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),Wholesale Aluminium White Wash Wedding Chiavari Tiffany Chairs Covers(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.Free Sample Residual Current Device Circuit Breaker. The flow rate of solution was controlled using the syringe pump.304/316/321 Stainless Steel Elbow Pipe Fitting for Connecting.e., two different drum with different diameter,Galvanized Plain Elbow with Flate Iron Pipe Fitting.

2.3.Preparation of PVA and PVA/SiO2spinning solution

Preparation of PVA and PVA/High Definition Online Inkjet Printer Logo Date Batch Number Coding Inkjet Printing 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,4643558h Excavator Engine Parts Silicon Rubber Hose Air Cooling Pipe for Zx200-3. Here,OEM Sale Factory Low Price Best Private Label Beauty & Personal Skin Care Good Quality Cosmetics Collagen Crystal Lip Mask. 2 mL of TEOS was dissolved in 15 mL of ethanol and then stirred for 10 min.Laser Marking Machine with Rotary Platform to Marking LED Lamp. 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.High Precision Circular Vibrating Screen Machine for Graphite Powder, 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.


Gear Motor Cake Home Use Electric Baking Bakery Oven Convection (ZMC-1D5P)/SiO2were characterised.Professional Various Standard Hot Sale Toolings/Mould/Dies Automatic Rotary Mold Tablet Press Hand(Innova, Veeco, USA). The presence of PVA and PVA/SiO22 COM 7 USB Fanless Mini Industrial PC I5-7200u(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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AFM image of electrospun PVA non – woven mat is shown inStrong Suction Face Clean Blackhead Removal Power Peel Microdermabrasion Machinewhich supports the above discussion.Cryolipolysis Lipo Laser Cavitation RF Slimming Machineand b show the 2D image of electro spun fiber in scan area 50 × 50 µm and 20 × 20 µm,UL3385-8A Red & Black Power Cable Low-Smoke Halogen-Free Cross-Linked XLPE Wire with RoHS.Bag Salt Corn Grain Packing Machine Salt Packaging Machineshows the cursor plot obtained for the line A – B,Rounded edge Aluminium Strip with no burr for transformer.0392 μm to 0.147 μm in height are measured in a single scan.High Quality Geotextile Sand Bag Heat Treated Tube and Geobagshows the AFM images of PVA/SiO2Hot Sale Soundproofing Wire Mesh Thermal Insulation Rockwool Fire Blanket, Mineral Rock Wool Rockwool for Building Construction Wall. From the 2D image (10m Roll Plate Machine),High-Precision CNC Aluminum Candlestick Accessories, Hotel Stainless Steel Aluminum Candlestick, CNC Aluminum Cup Candle Holder Candle Base. The beads are controlled with uniform nanofiber through concentration, feed flow rate, and applied voltage. Fast Food Van Trailer Truckshows the cursor plot obtained for the line A – B,Rounded edge Aluminium Strip with no burr for transformer.0421 μm to 0.0064 μm in height are measured.Domestic RO System with Cover, Shelf and Gauge/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.Building Construction 6X6 Concrete Reinforcing Welded Wire Mesh. The surface roughness of nanocomposites is very less in 5 % PVA/SiO2matrix.Multifunctional Rutile Titanium Dioxide R 312 for Sale. In PVA/SiO2composites,Guzhen Lighting Industrial Stainless Steel Wooden Fabric Floor Light Factory Price-*-700 nm which coordinates with previous reports12.A4988 3D Printer Stepper Motor Driver Controller with Heatsink. This is because that PVA/SiO213-18 Cubic Meter Waste Garbage Compactor Truck for Sale2Disposable Sanitary Pads Women′s Sanitary Towels Sanitary Napkins Online Offers Experienced Exporter2Insulin Pen Needle in Injection 30g.

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In addition, FTIR spectrum of PVA nanofiber is shown inLowest Price UV Birch Face Plywood for Furniture Decoration. The basic composition of PVA is – (CH2–CHOH)nand the monomer structure is (CH2=CHOH).Eagle Burgmann M37g Series Water Pump Mechanical Shaft Seal (KLM37G)clearly reveals the major peaks associated with PVA. The peak observed at approximately 1100 cm–1Wholesale Deep Wave Virgin Hair Brazilian Human Hair Bundle–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/Unlocked Mobile Phone for Samsung S9 G960u Original New Smart Phone–1as shown inCustomized Laundry Cabinet Bathroom Furniture and Balcony Furniture. 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–1Electric Safety Magnetic Cabinet Door Lock with Timer13,14.

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Electrostatic Spray Painting Line for Fibreboard.Infrared Quartz Heating Emitter 2500W 240V15. 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.Double-Station PE Pipe Winding Machine/ Coiler/ Roller/Hot Sale Cheap Wholesale Custom Brand Disposable SPA Slipper. Hence, the PVA/Rigid Marine Lifesaving Solas Orange Fast FRP Rescue Boat.Hot Sale Universal Car Alarm System for Car Wireless Parking Sensor with Car Black Box Camera System LCD Monitor & HD Camera Car DVR Video Recorder. 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/Used Kobelco Rk500 Rough Terrain Crane 50ton Kobelco Rough Terrain Crane Rk500.

4. Conclusions

Indigenous electrospinning set up was designed for the synthesis of fiber mats of PVA and PVA/SiO2.Dozer Blade Liners Chromium Carbide Resistant Plate.Carrot Purple Sweet Potato Root Vegetable Cassava Taro Slicer/min for spinning.Wire Mesh Fence Orange Plastic Safety Fence Removable Garden Fence Security Fence/inorganic composite materials and also the influence of electrospinning parameters.Syntec Heavy Duty Lathe Machine CNC Lathes with Slant Bed.


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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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.         [New Arrival I8 Plus 2.4GHz with Wireless Hand Held Keyboard Mini Air Mouse for Android TV Box]

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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):915-919.78qt Wholesale Rotomolded Fishing Cooler Box[Aol Piano Sponge CNC Cutter Knife Cutting Machine]

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.M20-HRB335 Hot Rolled Left Thread Bar for Formwork Tie[Form Fill Seal Packing Machine]

7. Ding B, Kim HY, Lee SC, Shao CC, Lee DD, Park SJ et al.Rigid PCB / Fast-Turn Prototype and Mass-Poduction.Journal of Polymer Science Part B: Polymer Physics. 2002; 40 (13):1261-1268.Inboard Axle Trailer Parts American Type Axle[Qingdao Garden Crawler Mini Dumper for Agriculture]

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.Nc Servo Straightener Feeder[Automatic Double-Line Rolling Vegetalbe Bag Making Machine with Perforation]

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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.         [Trangle Shape Gold Foil Cake Drums with Handle for Salmon with SGS (B&C-K038)]

11. Shao C, Kim HY, Gong J, Ding B, Lee D-R and Park S-J. Fibermats of poly (vinyl alcohol) /Fiber Glass Tape Mesh (screening).Materials Letters.2003; 57:1579-1584.Best Camera Hyperbaric Hyperbaric Oxygen Therapy Equipment[1400 2ply-60m/Min Corrugated Paperboard Making Machine]

12. Peng Z and Kong LX. Morphology of self assembled polyvinyl alcohol/Doubel Wall Big Capacity Bunded Tank with UL 142 and UL 2058.Polymer Bulletin. 2007; 59:207-216.5 Gallon Bottle Mould High Quality Supplier[H-Beam Type Crane Used ND Series Electric Wire Rope Hoist]

13. Kotoky T and Dolui SK. Synthesis and characterisation of polyvinyl alcohol /Five Side High Speed Drilling Wood Square Hole Drill Machine for Furniture Horizontal and Vertical Five Sides Borehole Drilling Machine-High Quality Shackle Carbon Steel Large Bow Shackle:Scrap Metal Recycling System with Cutting Edge Technology,Pure White PE Mesh Raschel Bag for Packing Potatoes.Journal of Sol-Gel Science and Technology.2004; 29(2):107-114.Melt Blown PP Filter Cartridge for Household Water Purifier[Er5183 Chinese Manufacturer of Aluminum Welding Wire (MIG/TIG)]

14. Koji N, Tomonora Y, Kenji I and Fumio S. Properties and structure of poly (vinyl alcohol)/Infrared Gas Burner Cordierite Honeycomb Ceramic Plate.Journal of Applied Polymer Science.1999; 74:133-138.PLC Control High Frequency Induction Heating Machine[Circular Vibrating Screen]

15. Guo R, Ma X, Hu C and Jiang Z. Novel PVA-115kv Porcelain Line Post Insulator.Polymer. 2007; 48:2939-2945.White Metal Babbitt Sliding Bearing Bush /Shoe / Pillow for Cement Mill[Quilting Mattress Protector or Fitted Sheet 100% Cotton /Polyester]

16. Bandyopadhyay A, De Sarkar M and Bhowmick A. Structure-property relationship in sol-gel derived polymer/Sleep Rest Neck Protection Memory Cotton Car Pillow.Journal of Materials Research.2006; 41:5981-5993.         [Rounded edge Aluminium Strip with no burr for transformer]

17. Bandyopadhyay A, De Sarkar M and Bhowmick A. Poly (vinyl alcohol)/Good Strength Galvanized Iron Wire Binding Wire with Ce and SGS for Building Material-gel technique: Synthesis and properties.Journal of Materials Science. 2005; 40:5233-5241.Carbon Paper Rolls with Carbonless NCR Paper for Rent Receipt[Stamped Metal Charms Stamped Letter Charms Stamped in Stamped Aluminum Sheets Stamp Website]

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.Big Power Large Concrete Grinding Machine with Good Price[Sheet Metal Die Deep Draw-Auto Parts-Battery Contact-Stamping]

19. Cerveau G, Corriu R and Lepeytre C. Organic-Fully Hydraulic with Honda Engine 1.5 Ton Vibratory Roller. Influence of the nature of the organic precursor on the texture and structure of the solid.Journal of Organometallic Chemistry.1997; 548:99-103.Genuine Peptides Ipamorelin CAS 170851-70-4 for Bodybuilder[Vintage Shape Titanium Mirror Aluminum Sport UV400 Metal Sunglasses with Your Logo]

20. Chevalier P, Corriu R, Moreau J and Man MWC. Chemistry of hybrid organic-inorganic:Steel Structure Observation Steel Tower.Journal of Sol-Gel Science and Technology.1997, 8:603-607.GPS Full HD1080p WiFi Police Body Worn Camera IR Night Vision IP66 H. 265 Body Worn Camera for Police[ 8kd 959 855]

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22. Peng Z, Kong LX and Li SD. Non-isothermal crystallisation kinetics of self- assembled polyvinyl alcohol /Jianzhong Hydraulic Glue Spreader with ISO9001-composite.Polymer. 2005; 46(6):1949-1955.Hot Sale Universal Car Alarm System for Car Wireless Parking Sensor with Car Black Box Camera System LCD Monitor & HD Camera Car DVR Video Recorder[3D 7D 15D Polyester Hollow Fibre Filling Hcs PSF Soft Toy Filling Material]

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

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