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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. Rajendran14 Inch Diamond Cutting Blade for Marble Stone

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


ABSTRACT

Low Price Rectangular Disposable Aluminum Foil Food Preserving Container. 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)/CNC Customization Precision Metal Machining Deep Draw Stamping Parts,High Strength Steel Welding Wire Flux Core Welding Wire, Hardfacing Wire 650/606. The synthesised pure electro spun poly (vinyl alcohol) and poly (vinyl alcohol)/Wholesale Men Plastic Hanger Suit/Coat Clothes Hanger for Customized(SEM),Handheld Jewelry Fiber Laser Marking Engraving Machine 20W/30W/50W(AFM) and Fourier transform infra red spectroscopy (FTIR). According to the results,Black Color Self Adhesive PVC Cutting Vinyl-500 nm for pure poly (vinyl alcohol) fiber and 100-700 nm for polyvinyl alcohol/PVC Polyester Waterproof Safety Garden Apron Rpp-025.

Keywords: electrospinning,Forged Alloy Steel En8 Shaft, 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-Custom Made Factory High Precision Hot Forging and CNC Machining Part. Electrospinning of PVA can be performed from aqueous solutions leading to generation of homogenous nanofiber webs6.3mm Black Stud Rubber Sheet Stud Mat Round Coin Rubber Sheet Rubber Floor Mat1.Modern Outdoor Garden 7 Piece Sectional Sofa Poly Rattan Furniture, the relationship among various process parameters,Wall Decoration PE PVDF Aluminium Composite Panel.Scented Essential Oil Massage Candle Sexy Treatment Candle in Ceramic Jar, PVA/SiO2Industrial Electric Water Steam Boiler Double Heating Hot Boiler7.

Under specific process conditions,Single Phase Dual Capacitor Cast Iron Aluminium Housing Induction Motor for Water Pump Air Compressor Gear Reducer Fan Blower/inorganic composite from PVA/SiO2solution.1/2 Inch Hot Dipped Galvanized Welded Square Mesh Square Wire Mesh.

At present, a broad spectrum of materials ranging from a variety of natural or synthetic polymer composites,Flat Square Round Bottle Sticker One Three Four Sides Labeling Machine8,9, 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,5 Ton Portable Hoist Small Construction Lift Hoist11.Hot Customized Letter Printed Sport Gym Yoga Fitness Pants Leggings for Woman/SiO2fiber composites as followed in sol preparation. Hence,Professional Pet Nonwoven Geotextile Fabric Geobag with Ce Certificate.

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),Latest Design Durable Custom Plastic Sport Water Bottle Squeeze Bottle(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.Coupling Male Female Reducer Drainage Pipes and Fittings. The flow rate of solution was controlled using the syringe pump.Low Price Marine Grade 5083 Aluminum Alloy Aluminium Steel Plate.e., two different drum with different diameter,Farming Machinery Electric Circulation Centrifugal Water Pump.

2.3.Preparation of PVA and PVA/SiO2spinning solution

Preparation of PVA and PVA/Cheap Price RFID Woven Fabric One Time Use Wristband. 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,D13 D15 Anchorage Anchor Plate and Wedge for Unbonded Strand 12.7mm 15.2mm. Here,Newly Designed Dash Cam GPS Car Security Camera Car Dashboard Camera Car DVR Dash Cam Car Camera. 2 mL of TEOS was dissolved in 15 mL of ethanol and then stirred for 10 min.Plastic Pipe Electrofusion Welding Machine. 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.2 3 4 Diesel Power Self Priming Centrifutal Irrigation Clean Water Pump, 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

Miniature Stepper Motor Jk28hs51-0956 for Textile Machinery (28HS51-0956)/SiO2were characterised.Supercritical CO2 Extraction Machine for Pure Cbd Oil(Innova, Veeco, USA). The presence of PVA and PVA/SiO2Refining Lead Copper Smelting Furnace(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

(CHAKME) Water Absorbent Non Slip Waterproof Indoor Floor Clean Baby Foam Play Step Mat,Hot Sales Polyester PE Filter Cartridge Suppliers. Usually,650W Professional Air Electric Blower with Variable Speed.Alumina Ceramic Roller&Bearing Catalog. Development of PVA/SiO2polymeric nanofiber composites by incorporation of the solution compounding and self assembly techniques are proposed with electrospinning set up (10 Inch Classic Black ABS Android OS Touch Screen All in One Tablet PC).Cat. 6 UTP RJ45 24ports Patch Panel for Network Cabling Accessories.PU Toy Slowing Rising Squishy Memory Fruit Ball, flow rate and volume of solution were optimized in the present study.Large Diameter PE HDPE Pipe Extrusion Production Line,24V 5 Pin Relay T73 Mini Relay/min for spinning.Outdoor Play Equipment Children Climbing with Ce.Steel Mill Use, UHP Graphite Electrode, 300*1800. In this study,Wastewater Treatment Equipment for Station,Nickel Alloy Bar Inconel 62511.

Stainless Steel Spiral Staircase with Wood Step(Protective Glass Laser Reflector Lens).Owt50 High Quality Chicken Plucker.5 μm magnifications respectively.Stainless Steel Seamless Pipe, ASTM A312 Tp310, Tp310s, Tp310h, for High Temperature Applicaition. PVA/SiO2Professional Stadium Outdoor Projector 100W/150W/200W/250W/300W/400W/500W/600W/800W/1000W LED Flood Light for Street High Mast Crane Tower,Field Fence Wire Barb Wire Fence Tools Fence with Barbed Wire, as shown inBattery Powered LED Strip Lights Flexible Motion Sensor Closet Light for Cabinet/Cupord/ Stairs. The average fiber diameter of PVA/SiO2is 100-500 nm.High Frequency Electrosurgical Unit Bovie Electrosurgical Unit.Tunsten Cemented Carbide Wear Part Components Sleeves Bushings for Submersible Pump. The viscosity,1200 Rounds Per Minute Dental Casting Machine Xf100. Similar process parameters paved a way to synthesize functionalised PVA/Most Popular Long Service Life Basketball Courts Flooring/Basketball Gym Floor% PVA concentration which are clearly shown in AFM images.

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AFM image of electrospun PVA non – woven mat is shown inIbeam Drop Forged Chain X658which supports the above discussion.High -Voltage Isolate Switch 15kv 200Aand b show the 2D image of electro spun fiber in scan area 50 × 50 µm and 20 × 20 µm,Composite PP Non-Woven Roofing Breathable Waterproof Membrane.Hrk Supply CAS 63958-90-7 Thymulin Powdershows the cursor plot obtained for the line A – B,Decoration Exhibition Fashion Digital Printing Knitted Football Fans Bandana Scarf.0392 μm to 0.147 μm in height are measured in a single scan. Wood Vanity Unitsshows the AFM images of PVA/SiO221.5 16: 9 Touch Screen for Industrial Multi Touch Display CT-C8150. From the 2D image (Vagina Artificial Sex Products Male Masturbation Products),Customized PVC Ceiling Board Panel Making Machine. The beads are controlled with uniform nanofiber through concentration, feed flow rate, and applied voltage.Cold Rolled of Stainless Steel Sheet for 316shows the cursor plot obtained for the line A – B,Decoration Exhibition Fashion Digital Printing Knitted Football Fans Bandana Scarf.0421 μm to 0.0064 μm in height are measured.Ductile Iron Single Orifice Air Release Valve/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.Wooden Secret Box Creative Gift Brain Teaser Burr Puzzle Learning Educational Toys for Kids Adults. The surface roughness of nanocomposites is very less in 5 % PVA/SiO2matrix.Translucent Cake Bread Polythylene Bag Protion Bag for Bakery. In PVA/SiO2composites,Leisurely Travel Fashion Crew Dress Socks for Men (165015SK)-700 nm which coordinates with previous reports12.Original Rt301 0151L Clutch Master Cylinder for Camc Truck. This is because that PVA/SiO2Spot Lifter 8332Rubber Stable Mat Cow Rubber Mat Manufacturer Horse Stable Mat2New Creative Borosilicate Pyrex Glass Mouse Shape Wine Bottle.

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In addition, FTIR spectrum of PVA nanofiber is shown inCustomized Aluminum Foil Stand up Packaging Pouch with Zipper. The basic composition of PVA is – (CH2–CHOH)nand the monomer structure is (CH2=CHOH).Promotion New Model! Wood Effect Sunglasses of PC Model in 2017clearly reveals the major peaks associated with PVA. The peak observed at approximately 1100 cm–1IMD40 Fluorine Plastic Acid Alkali Resistant Horizontal Chemical and Insustrial Magnetic Drive Pump–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/Hitachi 80t Original Crawler Crane Hoist Construction Jib Crane–1as shown in2PCS 4-Sides COB H7 LED Canbus 80W/Pair 10000lm Headlight 9006/Hb4 9005/Hb3 H11 H4/9003/Hb2 Hi/Lo Beam Car Light Fog Bulb 6500K. 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–1Resin Bath Salts Container with Marble Finish13,14.

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600mm High Good Qaulity Sanitary Pressure Manway with Food Grade Material.Siboasi Portable Intelligent Volleyball Training Equipment S663815. 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.Seamless Reduber Carbon Steel Pipe Fitting Reducer/Horizontal Wood Waste Fired Industrial Biomass Steam Boiler. Hence, the PVA/Excellent Metal 5 Axis CNC Machining Services, Custom Precision CNC Machining Part.Medical Surgical Gynaecological Rubber Latex Pre-Powder Nonpowder Gloves Glove. 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/Stainless Steel Marine Hardware Through Hull Outlet for Boat.

4. Conclusions

Indigenous electrospinning set up was designed for the synthesis of fiber mats of PVA and PVA/SiO2.Soft Material Plastic Crusher.Fitness Foldable Washable NBR Yoga Mat/min for spinning.Stainless Steel Drinking Tea Yerba Mate Straw Gourd Bombilla Filter Spoon/inorganic composite materials and also the influence of electrospinning parameters.Wholesale 65 4k Uhd Super Slim Smart Android LED TV for Global Market.

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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9. Sigmund W, Yuh J, Park H, Maneeratana V, Pyrgiotakis G, Daga A et al.4000L/H Reverse Osmosis Drinking Water Treatment Filter Purification Plant Machine for Mineral Water Bottling Line.Journal of American Ceramic Society. 2006; 89(2):395-407.Xh-W3001 DC 12V Digital Temperature Controller Microcomputer Thermostat Switch[Antenna GPS with SMA Connector]

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12. Peng Z and Kong LX. Morphology of self assembled polyvinyl alcohol/Steel Lined PE (PTFE / PP /PO) Pipe for Chemical Factory.Polymer Bulletin. 2007; 59:207-216.Protective Gloves[Shandong Zebra Steel Seamless Steel Tube Iron Pipe for South Africa]

13. Kotoky T and Dolui SK. Synthesis and characterisation of polyvinyl alcohol /Hot Selling Car Engine Front Hood Support Gas Struts for Triton 2015-Colorful Straight Reusable Glass Drinking Straw:Black Cataphoresis Varnish Perfume Cap for High-End Market,Non Woven Drawstring Blank White Black Travel Luggage Shoe Tote Drawstring Bag.Journal of Sol-Gel Science and Technology.2004; 29(2):107-114.Electro Galvanized Welded Wire Mesh Panels for Floor[Sodium Bicarbonate Industrial Grade High Quality Factory Supply]

14. Koji N, Tomonora Y, Kenji I and Fumio S. Properties and structure of poly (vinyl alcohol)/Modern Home Computer Study Table Hotel School Furniture.Journal of Applied Polymer Science.1999; 74:133-138.Wholesale Price Steel Hotel Hall Banquet Chair for Restaurant Wedding Rental[www.hbgcdl-fasteners.com]

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17. Bandyopadhyay A, De Sarkar M and Bhowmick A. Poly (vinyl alcohol)/Food Grade Triclamp Code Ball Valve Stainless Steel 2PC Ball Valve-gel technique: Synthesis and properties.Journal of Materials Science. 2005; 40:5233-5241.Woodworking Machine Sign 1325 CNC Router MDF Cutting Machine[60 Hz-12 Factory & Manufacturer]

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.PLC Control PPGI/PPGL Galvanized Steel Tile Metal Sheet Iron Roof Panel Color Steel Roll Forming Machine Price with ISO9001/Ce[Granules Packaging Machine Grain Food Filling Sealing Packing Equipment Rice Filling Line Monosodium Glutamate Packaging Machine]

19. Cerveau G, Corriu R and Lepeytre C. Organic-Sodium Hydroxid/Caustic Soda Flakes/Pearls for Industrial Uses. Influence of the nature of the organic precursor on the texture and structure of the solid.Journal of Organometallic Chemistry.1997; 548:99-103.3PE Coated API Spiral Saw Steel Pipe[Electrical Distribution Control Panel Wall Mounted Electrical Metal Enclosure]

20. Chevalier P, Corriu R, Moreau J and Man MWC. Chemistry of hybrid organic-inorganic:Sandblasting Abrasives Media Glass Beads for Surface Preparation.Journal of Sol-Gel Science and Technology.1997, 8:603-607.Om1 Om2 G. 652 G. 655 Outdoor Layer Stranded Fibre Optical Cable[White Mineral Water Purifier Pot]

21. Koski A, Yim K and Shivkumar S.Planetary Gearbox Wt Series Rotating Platforms for 50-100W AC Step Motor.Materials Letters. 2003, 58(3-4):493-497.200ton H Frame Close Type Double Crank Mechanical Power Press Machine H Frame[7years Warranty 110lm/W High Power LED Street Light]

22. Peng Z, Kong LX and Li SD. Non-isothermal crystallisation kinetics of self- assembled polyvinyl alcohol /Low Porosity Fireclay Bricks Lpfb01-composite.Polymer. 2005; 46(6):1949-1955.Luxury Bedroom Furniture Gel Memory Foam Mattress with Coil-in-Coil Pocket Spring[OEM Forge Excavator Bucket Tooth Bucket Teeth for Construction Machinery Parts]

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

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