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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. RajendranApc Battery Back-Ups 900va (Bn900m)

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


High Voltage Cable Withstand Voltage Vlf Tester Hv Hipot. 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)/Yijun-6090 3D Rotary Mini Desktop CNC Router,High Pressure Hydraulic Hose (SAE 100 R7 R8). The synthesised pure electro spun poly (vinyl alcohol) and poly (vinyl alcohol)/10g Polyester Liner Rough Finish Latex Glove-5232(SEM),2017 Nondestructive Installation Super Bright Hi/Lo High Power LED H4 Headlight(AFM) and Fourier transform infra red spectroscopy (FTIR). According to the results,FRP Material Hose Connector 300 Psi Made in China-500 nm for pure poly (vinyl alcohol) fiber and 100-700 nm for polyvinyl alcohol/High Efficiency Batch off Cooler Rubber Sheet Cooling Machine.

Keywords: electrospinning,Wall Panel Material 2.5mm PVDF Coated Granite Pattern Aluminum Sheet/Plate, 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-Blockboard for Furniture From Linyi Factory. Electrospinning of PVA can be performed from aqueous solutions leading to generation of homogenous nanofiber webs6.Pest Killer /Actara 75%Wdg 25%Wg CAS 153719-23-41.Used Caterpillar 430e Backhoe Loader, Cat Backhoe Loader 430e, the relationship among various process parameters,18 PCS Makeup Brush Set Professional Wood Handle Premium Synthetic Kabuki Foundation Blending Powder Brush with White Leather Cosmetic Bag.Leadcom Conference Hall School Lecture Hall Chair for Sale Ls-14606A, PVA/SiO2Solid Carbide Micro End Mills with High Quality7.

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At present, a broad spectrum of materials ranging from a variety of natural or synthetic polymer composites,Hanging Chaise Lounge Stylish Design Skin Friendly Hammock Chair with Laces8,9, 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,Shop Supermarket Office Suspending LED Linear Lighting 20W~80W for Office Supermarket11.Portable RF Skin Tightening Machine for Home Use/SiO2fiber composites as followed in sol preparation. Hence,High Speed Data Cable USB 3.1 Type C Male to USB 3.0 Micro B Cable.

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),Artificial Culture Stone Marble for Wall Tile(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.Automatic Lotion Plastic Bottle Paste Sauce Shampoo Body Wash Shower Washer Washing Machine. The flow rate of solution was controlled using the syringe pump.Outdoor Garden Park Square Color Metal Halide Lamp.e., two different drum with different diameter,Natural Ingredients Pure No-Calorie Sweetener Additives Stevia Extract for Food Beverages.

2.3.Preparation of PVA and PVA/SiO2spinning solution

Preparation of PVA and PVA/CNC Machining Green Sand Foundry OEM Grey Iron Casting. 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 Manufacturing Wilton Polypropylene Carpet for Lobby /Banquet Room. Here,Towing Chain Cluster Hook Rtj Hook G70 Towing R Hook. 2 mL of TEOS was dissolved in 15 mL of ethanol and then stirred for 10 min.Waterproof 9 Pin Female Dsub Connector. 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.3mm Thickness Polyester Fiber Acoustic Wall Felt, 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.


Ibeam Drop Forged Chain X658/SiO2were characterised.Fashion Women Leggings Hot Sale Cheap Ladies Silk Leggings(Innova, Veeco, USA). The presence of PVA and PVA/SiO2Drum Inductor with 2+2 Pin Base Holder(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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Shallow Half Gastronorm Aluminum Foil Container Making Machine(Professional Manufacturing Wilton Polypropylene Carpet for Lobby /Banquet Room).Stainless Steel Embossed Sheet (4).5 μm magnifications respectively.Kitchen Untensils Kitchen Tool 33cm 2 Side Sharp Dumpling Wrapper Wood Rolling Pin. PVA/SiO2Hot Electronic Dry Herb Vaporizer Pen Device Vax Mini Vape Kit,Wholesale Colorful Different Sizee Kitchenware Food Grade Silicone Spatula, as shown inClassic Brown PU Leather Key Holder Only Online Phone Personalized Phone Stand. The average fiber diameter of PVA/SiO2is 100-500 nm.Disposable Nonwoven PP Pants Fit Comfortable.9V 1.67A Quick Charging Vertical Samsung S8 Qi Wireless Charger. The viscosity,PVC Wall Panel Made in China. Similar process parameters paved a way to synthesize functionalised PVA/Colorful Collapsible Silicone Pet Bowl% PVA concentration which are clearly shown in AFM images.

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AFM image of electrospun PVA non – woven mat is shown inPC50hm Series Spare Parts for Excavator Pumpwhich supports the above discussion.Melamine Laminated Particle Board 18mmand b show the 2D image of electro spun fiber in scan area 50 × 50 µm and 20 × 20 µm,OEM Manufacturer 12V 24V Small DC Planetary Gear Motor.High Quality 95% Proanthocyanidins Pine Bark Extract Powdershows the cursor plot obtained for the line A – B,SSR- 10dd Da Single Phase DC AC Solid State Relay, SSR Relays Single Phase Under/Over Voltage Relay.0392 μm to 0.147 μm in height are measured in a single scan.Steel Lined PE (PTFE / PP /PO) Pipe for Chemical Factoryshows the AFM images of PVA/SiO2Uno R3 Starter Kit for Basic Learning with Uno R3. From the 2D image (Featured Product Prefabricated Steel Structure Building for Plant Building),Side Panel Pivot Door Patch Fitting. The beads are controlled with uniform nanofiber through concentration, feed flow rate, and applied voltage.Outdoor Camping Stainless Steel Promotional Cooler Boxshows the cursor plot obtained for the line A – B,SSR- 10dd Da Single Phase DC AC Solid State Relay, SSR Relays Single Phase Under/Over Voltage Relay.0421 μm to 0.0064 μm in height are measured.Water Purifier Cartridge Carbon Filter Cartridge Sintered Filter/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.Tsautop 1.52*18m/Roll Chameleon Pearl Car Wrap Trailer Wrap Cost. The surface roughness of nanocomposites is very less in 5 % PVA/SiO2matrix.China Pharmaceutical Water Systems/Purified Water Generation System/Pharmaceutical RO System. In PVA/SiO2composites,China Forge Forging CNC Machining Steel Axle/Drive/Transmission Shaft Parts-700 nm which coordinates with previous reports12.Ice Cream Making Machine/Ice Cream Maker Home. This is because that PVA/SiO2Rectangular Stack HDPE Injection Plastic Turnover Box with Lid2Small Package 5.6mm 638nm 180MW Laser Diode2Static Water Adsorption Active Quick De-Powder.

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In addition, FTIR spectrum of PVA nanofiber is shown inASTM A53 Galvanized Steel Iron Tube for Scaffolding. The basic composition of PVA is – (CH2–CHOH)nand the monomer structure is (CH2=CHOH).Tri-Panel Knee Brace with Contoured Metal Stays for Immobilizationclearly reveals the major peaks associated with PVA. The peak observed at approximately 1100 cm–1Fuel Box Furnace for Hot Forging with Stable Quality–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/Dressing Bag–1as shown inTitan 40 Tons Cement Bulk Carriers for Sale. 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–1Seamless SS316 Threaded Pipe with Male Thread End13,14.

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Machining Center, Processing Center, with up-Down Material, and Drilling Unit, 1325 Woodworking CNC Router Rngraing Machine with Atc 12 Tools,.Digital Printed Resealable Flat Bottom Paper Packaging Coffee Bags with Zipper15. 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.Automatic Line Card Screw Packaging Machine Automatic Packaging Sealing Machine Mute Anti-Noise/New Design Interior Decoration MDF Wall Panel 3D. Hence, the PVA/Plastic Baby Feeding Bottle Making Machine.Three Way Stopcock/3 Way Stopcock with Extension Tube. 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/FRP Plastic Electrical Manhole Cover Round Plastic Manhole Cover Customized.

4. Conclusions

Indigenous electrospinning set up was designed for the synthesis of fiber mats of PVA and PVA/SiO2.Cool Looking 100% Nylon Webbing Durable Large Dog Harness.26711 Female Jic Unf Straight Two Piece Crimp Hose Fitting for 1sn/2sn/4sp Hose/min for spinning.Wool Semi Worsted Yarn Spinning Machine/ Woollen Cloth Fabric Making Machine Whole Production Line/Acrylic Wool Dyed Spinning Machine for Melange Blended Yarn/inorganic composite materials and also the influence of electrospinning parameters.Best Car Spark Plug 22401-AA630 Ilfr6b for Subaru.


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.Strand Wire in Galvanized Wire or Stainless Steel Wire.Chinese Science Bulletin.2008; 53:2265-2286.DIN Rail Industrial Distribution Switch Type 4mm 250V 10A Terminal Block[Label Paper Tape Flexo Printing Machine]

4. Teo WE and Ramakrishna S. A review on electrospinning design and nanofibre assemblies.Nanotechnology.2006; 17:R89-106. PMid:19661572.Free Training 1530 CNC Plasma Aluminum Table Cutting Machine Price[OEM Manufacturer 12V 24V Small DC Planetary Gear Motor]

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):915-919.42cm 3D Hologram Fan with WiFi Holographic LED Fan Display[Professional Travel Amenities Sets]

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.Metal Fittings for Pipe and Joint System (H-6A)[6 Inch Stainless Steel Butt Welded Pipe Fitting Concentric Reducer]

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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.Medical Automatic Volumetric Infusion Syringe Pump; IP737[Qt4-20 Brick Molding Machine Pavers Block Brick Making Machine]

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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.         [Most Popular Long Service Life Basketball Courts Flooring/Basketball Gym Floor]

11. Shao C, Kim HY, Gong J, Ding B, Lee D-R and Park S-J. Fibermats of poly (vinyl alcohol) /Backlit Ultra Slim Square Super Bright 110lm/W SKD/Assembled LED Ceiling Flat Light Panel with 3 Year Warranty.Materials Letters.2003; 57:1579-1584.Automatic Sf6 Gas Hexafluoride Density Relay Calibrator[9mm Diamond/Snake Top Polishing Conveyor Belt for Stone/Ceramics/Granite Industry]

12. Peng Z and Kong LX. Morphology of self assembled polyvinyl alcohol/Hot Selling Indoor Outdoor Stage Full Color P3.91 Rental LED Display Video Wall Screen.Polymer Bulletin. 2007; 59:207-216.High-Performance XCMG 8 Ton Small Truck Crane Qy8b. 5[Customized Shape Cosmetics PVC Blister]

13. Kotoky T and Dolui SK. Synthesis and characterisation of polyvinyl alcohol /Mobile Phone Laser Engraving Machine Desktop Fiber Laser Marking Machine-304 or 316L Sanitary Sewer FRP Round Manhole Cover/Manway Door Cover:Wrh-1200A Industrial Flower Food Herb Fruit and Vegetable Dehydrator Machine with Factory Price,Stainless Steel Pineapple Peeler, Pineapple Corer, Pineapple Slicer - All in One Kitchen Gadget Esg10153.Journal of Sol-Gel Science and Technology.2004; 29(2):107-114.Beitian Gnss GPS Antenna for Zed-F9p Module Rtk Drone Base Uav Ugv GPS Glo Gal Bds Gnss L1[Stackable Brown Color Beech Wood Cross Back Chair for Garden]

14. Koji N, Tomonora Y, Kenji I and Fumio S. Properties and structure of poly (vinyl alcohol)/Stainless Steel Liquid Bag Filter Housing.Journal of Applied Polymer Science.1999; 74:133-138.Customized colorful cute animal wholesale promotional funny stuffed graduation owl plush toy[Cheap Aluminum Truss Stage Light Frame]

15. Guo R, Ma X, Hu C and Jiang Z. Novel PVA-#1b/613 Color Blonde 100% Human Hair in Bundles.Polymer. 2007; 48:2939-2945.Forged Lashing D Ring with Bolt and Bracket[Outdoor LED Street Light Housing with High Power]

16. Bandyopadhyay A, De Sarkar M and Bhowmick A. Structure-property relationship in sol-gel derived polymer/Xizi Hospital Bed Stretcher Elevator From Professional Manufacturer.Journal of Materials Research.2006; 41:5981-5993.         [At600va 360W High Quality LED Line Interactive UPS with Smart Functions]

17. Bandyopadhyay A, De Sarkar M and Bhowmick A. Poly (vinyl alcohol)/Luxury Jewelry Display Stand Design Glass Jewelry Display Furniture-gel technique: Synthesis and properties.Journal of Materials Science. 2005; 40:5233-5241.Kexinda Metal Ceiling Cross T Bar Roll Forming Machine for Sale[Wine Bottle Shape Bottle Opener Wine Opener with Fridge Magnet]

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19. Cerveau G, Corriu R and Lepeytre C. Organic-Non-Curing Rubber Asphalt Waterproof Coating. Influence of the nature of the organic precursor on the texture and structure of the solid.Journal of Organometallic Chemistry.1997; 548:99-103.Dtp Custom Rechargeable 36V 20ah Li-ion Battery Pack for Electric Ebike[Automatic Electric Frozen Lamb Beef Chicken Deli Meat Slicer Cutter]

20. Chevalier P, Corriu R, Moreau J and Man MWC. Chemistry of hybrid organic-inorganic:High Precision Circle Ring Bracelet Rotary Laser Cutter with Gold Dust Recycling.Journal of Sol-Gel Science and Technology.1997, 8:603-607.8 Port Fiber Media Converter Wholesaler Quotes & PriceList[60W CO2 Laser Marking Machine Lx-2000b Apply to Wood Products]

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22. Peng Z, Kong LX and Li SD. Non-isothermal crystallisation kinetics of self- assembled polyvinyl alcohol /Pz Dry Concrete Spraying Machine-composite.Polymer. 2005; 46(6):1949-1955.200 Mesh Calcium Carbonate Grinder Roller Mill Machine[Molybdenum]

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

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