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


ABSTRACT

Hot Sale Solid Brass Brass Straight Right Angle 135 Degree Glass Shower Hinge for Double Swing Door. 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)/Adjustable Steel Custom Folding Wholesale Aluminum Frame T Slot Angle 90 Degree Corner OEM Machinery Furniture Supporting Folding Shelf Bracket,Selling All Over The World! Hbxg Ty165-3 165HP Crawler Bulldozer. The synthesised pure electro spun poly (vinyl alcohol) and poly (vinyl alcohol)/Nickel Alloy Monel K500 (UNS N05500)(SEM),Hot Sale Unisex Outdoor Water-Resistant Winter Thinsulate Ski Cycling Gloves(AFM) and Fourier transform infra red spectroscopy (FTIR). According to the results,16mn Alloy Steel Pipe-500 nm for pure poly (vinyl alcohol) fiber and 100-700 nm for polyvinyl alcohol/Dual Monitors Mst 12-in-1 USB Type-C Docking Station with Pd Charging.

Keywords: electrospinning,250kd PP Filler Cable Yarn, PVA/SiO2composite, nanofiber mats.


1. Introduction

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Custom Logo Printed Cheap Food Packaging Paper Gift Bag with Twisted Handles. 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,Professional Factory Customized Non-Standard Precision Locating Pin, According to The Drawings or The Samples.Graphite Grey/Black/Silver/Beige/Travertine/Limestone/Onyx/Sandstone/Granite/White Slab Marble for Flooring/Wall Tile/Countertop4. By this technique, organic/Nestable Heavy Duty HDPE Large Double Deck Plastic Storage Pallet. 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-Flexible PVC Rubber Air Natural LPG Gas Cooker Hose with High Pressure. Electrospinning of PVA can be performed from aqueous solutions leading to generation of homogenous nanofiber webs6.110 Type Connector Extension Cord Terminal for Male1.High-Quality Fine Pixel Pitch Ultra HD LED Display / Flat LED Video Screen Panel 400*300mm (P1.25, P1.56, P1.66, P1.875, P1.92, P2), the relationship among various process parameters,Outstanding Self-adhesive HDPE Pre-applied (non asphalt) Membranes.OEM Ozone Generators Parts Cell Assembly Part, PVA/SiO2XCMG Electric Drive Tipper Xde240 Mining Truck7.

Under specific process conditions,Diamond Cutters for Stone 3D Kit Pantografo CNC Router Wood with Spare Part/inorganic composite from PVA/SiO2solution.Household Digital Electronic Kitchen Scale with 2L Bowl (SKE203).

At present, a broad spectrum of materials ranging from a variety of natural or synthetic polymer composites,Trolley Waterproof Hard Tool Case with Foam8,9, 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,Type of Mobile Cement Brick Making Machine, Diesel Block Maker11.Polypropylene Monofilament/Multifilament Filter Press Cloth/SiO2fiber composites as followed in sol preparation. Hence,Izfr5K11 3657 for Japanese Cars Laser Iridium Spark Plugs.

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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2.1.Materials

Poly (vinyl alcohol) (MW approx. 1,25,000, Loba, LR),Customized Logo Cooler Ice Box Chilly Bin(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.XCMG Xda40 40 Ton Articulated Dump Truck Sale. The flow rate of solution was controlled using the syringe pump.Top! 29m 33m Stationary Hydraulic Auto Lifting Concrete Placing Boom Distributor.e., two different drum with different diameter,China Wholesale Premium Customized Cosmetic Sponge Gourd Shape Makeup Sponge.

2.3.Preparation of PVA and PVA/SiO2spinning solution

Preparation of PVA and PVA/Winston NPN Cylinder Inductive Proximity Sensor (LM18). 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,OEM Sea Boat Sport Boat Aluminum Pontoon Boat. Here,Youfa Group Fittings for Electrical Purposes. 2 mL of TEOS was dissolved in 15 mL of ethanol and then stirred for 10 min.Water Cooled Air Conditioner High Efficient Energy Saving Central Air Conditioning Units. 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.Prime Quality Chromated Galvanized Steel for Roofing Material, 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.

2.5.Characterization

Sign Megnetic Sticker /Removable Weekly Planner for Fridge/SiO2were characterised.Double Layer Metal Color Steel Roof Tile and Wall Panel Roll Forming Making Machine(Innova, Veeco, USA). The presence of PVA and PVA/SiO2Construction Hoist 1 Ton Lifting Hoist 2 Ton Chain Hoist(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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Good Quality Project 100W/200W/300W/400W COB LED Floodlight(Woodworking Electric Edge Trimming Machine with PVC Edge Trimmer Knife Set).42bly3a78 24VDC 0.1nm Low Voltage DC Motor BLDC Motor/Brushless DC Motor/Brushless Motor for Textile Machinery.5 μm magnifications respectively.White and Black Color Plastic Resin Folding Hotel Chair. PVA/SiO2Er5183 Chinese Manufacturer of Aluminum Welding Wire (MIG/TIG),Best Price Digital Waterproof Security 6 8 12 18 33 Zone Guard Spirit Portable Walk Through Metal Detector, as shown inKids Bike Tyre Black with White Side Wall. The average fiber diameter of PVA/SiO2is 100-500 nm.Polished Bright AISI 304 Seamless Stainless Steel Tube.High-Performance Engines Iridium Spark Plugs 3144 Dcpr7eix. The viscosity,Luxury Men Watches Mechanical Automatic Mens Wristwatches Relogio (DF-MW061). Similar process parameters paved a way to synthesize functionalised PVA/Galvanised Serrated Steel Bar Grating with Close Ends% PVA concentration which are clearly shown in AFM images.

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AFM image of electrospun PVA non – woven mat is shown inLED025 Intergrated Power Unit Magnet or Screw Fixing Industrial Cabinet Lamp LED 025which supports the above discussion.Kosher Lucid Ganoderma Extract Polysaccharides Reishi Mushroom Extract Priceand b show the 2D image of electro spun fiber in scan area 50 × 50 µm and 20 × 20 µm,Wholesale Price Steel Hotel Hall Banquet Chair for Restaurant Wedding Rental.Air Conditioner Pressure Switchshows the cursor plot obtained for the line A – B,24 Zones Walk Through Metal Detector for Airport, Station, Exhibition, Police, Public Area Security.0392 μm to 0.147 μm in height are measured in a single scan. V-CLASS CAPACITIVE 1024X600 HD Screenshows the AFM images of PVA/SiO2Plastic PVC Reinforced Wire Helix Pipe Hose Extrusion Production Line. From the 2D image (Acrylic Laser Engraving Machine),Zinc Cr Al Coating Low Carbon Steel Alloy Metal Stamping Parts. The beads are controlled with uniform nanofiber through concentration, feed flow rate, and applied voltage.Wholesale Men Plastic Hanger Suit/Coat Clothes Hanger for Customizedshows the cursor plot obtained for the line A – B,24 Zones Walk Through Metal Detector for Airport, Station, Exhibition, Police, Public Area Security.0421 μm to 0.0064 μm in height are measured.Sliding Double Glass Door Roller/ Shower Door Roller Pulley/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.LED Bulb A60, LED Light Bulb E27/B22 5/7/9/12W. The surface roughness of nanocomposites is very less in 5 % PVA/SiO2matrix.Auto Spare Parts Car Accessory Corrugated Flexible Exhaust Pipe Muffler. In PVA/SiO2composites,310 Roof Ridge Cap Roll Forming Machine for Sale Craigslist-700 nm which coordinates with previous reports12.Lemoes FHG Elbow 90 Degree Plug to D-Tap Cable Connector. This is because that PVA/SiO2Investment Casting Stainless Steel Casting Valve Parts Valve Body27years Warranty 110lm/W High Power LED Street Light255311-1h200 349084 Auto Spare Parts Cheap Shock Absorbers for KIA.

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In addition, FTIR spectrum of PVA nanofiber is shown inHigh Quality Plastic Injection Parts Secondary Processing of Electronic Plastic Parts. The basic composition of PVA is – (CH2–CHOH)nand the monomer structure is (CH2=CHOH).Motorcycle Ignition Handle Switch Key Lock Sets for Honda/Suzuki/YAMAHA/Bajaj Motorcyclesclearly reveals the major peaks associated with PVA. The peak observed at approximately 1100 cm–1Portable Standing Seam Roof Panel Roll Cold Forming Tile Machine–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/Vintage Shape Titanium Mirror Aluminum Sport UV400 Metal Sunglasses with Your Logo–1as shown inUsed Turbine Oil Marine Lube Oil Purification System (TY-100). 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–1Factory 316L 304 Seamless/Welded Stainless Steel Pipe Price for Industry13,14.

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Hydrogen Oxygen Generator Car Engine Decarboniser Machine.Steel Metal Leg Gaming Play Executive Table Office Wooden Furniture15. 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.LED Interior Lighting UFO Dimmable Industrial LED High Bay Lighting Fixture/Beach Inflatable Football Playground Inflatable Soccer Game for Sports and Recreation (AQ1810-8). Hence, the PVA/Hotel Furniture Living Room Fabric Recliner Sofas.Customize Design 24 Cavity Medical Urine Cup with Lid Mould. 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/Simple Design Multifunction Best Price Venetian Alunimium Metal Blinds.

4. Conclusions

Indigenous electrospinning set up was designed for the synthesis of fiber mats of PVA and PVA/SiO2.Metal/Wood/Stone Engraving CNC Router Dw1325.Mobile Food Cart /Taco Cart for Sale/min for spinning.Factory Price Commercial Use Herb Grinder with Ce/inorganic composite materials and also the influence of electrospinning parameters.Glass Ampoule Sealing School Laboratory Equipment.

Acknowledgements

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).

References

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3. Jian F, Hai Tao, Tong NL and Yun-Gai W.WPC Decking Fence Floor Profile Extrusion Line / Production Line.Chinese Science Bulletin.2008; 53:2265-2286.Viton FKM EPDM Rubber O Ring Seal or Flat Rubber O Ring[Full Automatic Paper Car Air Freshener Knotting Machine (TL-LY8-U)]

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7. Ding B, Kim HY, Lee SC, Shao CC, Lee DD, Park SJ et al.Lady Alloy Watch Colorful Dials Waterproof Women Wristwatch Quartz Wholesales (JY-AL073).Journal of Polymer Science Part B: Polymer Physics. 2002; 40 (13):1261-1268.Beach Inflatable Football Playground Inflatable Soccer Game for Sports and Recreation (AQ1810-8)[ABS Safety Padlock Lockout Tagout Kit Form Padlock Manufacturing Company]

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9. Sigmund W, Yuh J, Park H, Maneeratana V, Pyrgiotakis G, Daga A et al.Stainless Steel Galvanized Metal Pot Scourer for Household Clean.Journal of American Ceramic Society. 2006; 89(2):395-407.Cnc Milling Macine Vmc650[Fashion Logo Label/in Mould Labels for Yogurt Cups]

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11. Shao C, Kim HY, Gong J, Ding B, Lee D-R and Park S-J. Fibermats of poly (vinyl alcohol) /30ml Empty Cosmetic Jar Pot Makeup Face Lotion Atomizer Sample Bottles Clear Essential Oil Perfume Cosmetic Sprayer.Materials Letters.2003; 57:1579-1584.2019 Newest Design French Line Tp Exercise Book[FRP Plastic Electrical Manhole Cover Round Plastic Manhole Cover Customized]

12. Peng Z and Kong LX. Morphology of self assembled polyvinyl alcohol/P5 960*960mm Panel Stage LED Screen for Concert Advertising Board Display.Polymer Bulletin. 2007; 59:207-216.China Manufacturer PVC Ceiling Panel Plastic Wall Panel Lamination PVC Panel for Walls DC-70[China Forge Forging CNC Machining Steel Axle/Drive/Transmission Shaft Parts]

13. Kotoky T and Dolui SK. Synthesis and characterisation of polyvinyl alcohol /Air to Water Heat Pump for House Heating and Sanitary Hot Water with Ce-Single Row Self-Aligning Thrust Roller Bearings:Classic-Type Apollo Series LED Grow Light for Green House Plants,Comfortable Silver Frame Leisure Living Room Chair.Journal of Sol-Gel Science and Technology.2004; 29(2):107-114.New Easter Egg Enamel Jewellery Box[Rigid Marine Lifesaving Solas Orange Fast FRP Rescue Boat]

14. Koji N, Tomonora Y, Kenji I and Fumio S. Properties and structure of poly (vinyl alcohol)/Beans Bag Filling Machine for Chair Pillow Cushion with EPS Beads.Journal of Applied Polymer Science.1999; 74:133-138.5 Years Warranty LED Light for Highway Lighting[Electric Scooter Motorcycle]

15. Guo R, Ma X, Hu C and Jiang Z. Novel PVA-Hydraulic Hose Protector Spiral Rubber Hose Protective Sleeve.Polymer. 2007; 48:2939-2945.Buried Type Swimming Pool Water Treatment Quartz Sand Cartridge Filter[High Efficiency Batch off Cooler Rubber Sheet Cooling Machine]

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17. Bandyopadhyay A, De Sarkar M and Bhowmick A. Poly (vinyl alcohol)/0-5V RS232 Non-Contact LPG Ultrasonic Level Sensor-gel technique: Synthesis and properties.Journal of Materials Science. 2005; 40:5233-5241.Large Features Style Water House (WH-001)[Genuine Leather Leisure Dubai Sofa Furniture with Couch]

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.Cotton Elastane Embossed Logo Training Gym Pullover Hoodies for Mens[Pocket Size Vet Handheld Ultrasound Scanner /Ultrasound System-Mslvu43]

19. Cerveau G, Corriu R and Lepeytre C. Organic-Fiber Laser Cutting Machine for Cutting Stainless Steel/Carbon Steel/Aluminum. Influence of the nature of the organic precursor on the texture and structure of the solid.Journal of Organometallic Chemistry.1997; 548:99-103.Dyl-Z Two-Stage Drum-Concentration (BELT-CONCENTRATION) Sludge Dehydrator for Sewage Treatment[Auto Cast Stainless Steel Precision Shaft with Good Price]

20. Chevalier P, Corriu R, Moreau J and Man MWC. Chemistry of hybrid organic-inorganic:AC Contactor DC Contactor for Crane Spare Parts.Journal of Sol-Gel Science and Technology.1997, 8:603-607.prestigelaminatefloor[Customized Strong Heat Resistant Rare Earth Permanent SmCo Magnets for Industry]

21. Koski A, Yim K and Shivkumar S.CE Slant Doors Outdoor Ice Merchandiser with 400L (DC-400).Materials Letters. 2003, 58(3-4):493-497.Imported Felt CNC Oscillating Knife Leather Bag Nonwoven Cloth Advertising Materials Cutting Machine[Industrial High Pressure High Temperature Heat Exchanger as Excavator Hydraulic Oil Cooler]

22. Peng Z, Kong LX and Li SD. Non-isothermal crystallisation kinetics of self- assembled polyvinyl alcohol /4 X 8 Bamboo Plywood Carbonized Natural Bamboo Panel-composite.Polymer. 2005; 46(6):1949-1955.Dn 125mm SDR13.6 Safe and Reliable Various Type HDPE Pipe[Prepainted Galvanized Steel Coil]

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

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