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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. RajendranCircular Vibrating Screen

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


ABSTRACT

Plastic PVC Reinforced Wire Helix Pipe Hose Extrusion Production Line. 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)/Zinc Cr Al Coating Low Carbon Steel Alloy Metal Stamping Parts,Sliding Double Glass Door Roller/ Shower Door Roller Pulley. The synthesised pure electro spun poly (vinyl alcohol) and poly (vinyl alcohol)/LED Bulb A60, LED Light Bulb E27/B22 5/7/9/12W(SEM),Auto Spare Parts Car Accessory Corrugated Flexible Exhaust Pipe Muffler(AFM) and Fourier transform infra red spectroscopy (FTIR). According to the results,310 Roof Ridge Cap Roll Forming Machine for Sale Craigslist-500 nm for pure poly (vinyl alcohol) fiber and 100-700 nm for polyvinyl alcohol/Lemoes FHG Elbow 90 Degree Plug to D-Tap Cable Connector.

Keywords: electrospinning,Investment Casting Stainless Steel Casting Valve Parts Valve Body, PVA/SiO2composite, nanofiber mats.


1. Introduction

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Factory 316L 304 Seamless/Welded Stainless Steel Pipe Price for Industry. 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,Hydrogen Oxygen Generator Car Engine Decarboniser Machine.Steel Metal Leg Gaming Play Executive Table Office Wooden Furniture4. By this technique, organic/LED Interior Lighting UFO Dimmable Industrial LED High Bay Lighting Fixture. 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-Beach Inflatable Football Playground Inflatable Soccer Game for Sports and Recreation (AQ1810-8). Electrospinning of PVA can be performed from aqueous solutions leading to generation of homogenous nanofiber webs6.Hotel Furniture Living Room Fabric Recliner Sofas1.Customize Design 24 Cavity Medical Urine Cup with Lid Mould, the relationship among various process parameters,Simple Design Multifunction Best Price Venetian Alunimium Metal Blinds.Metal/Wood/Stone Engraving CNC Router Dw1325, PVA/SiO2Mobile Food Cart /Taco Cart for Sale7.

Under specific process conditions,Factory Price Commercial Use Herb Grinder with Ce/inorganic composite from PVA/SiO2solution.Glass Ampoule Sealing School Laboratory Equipment.

At present, a broad spectrum of materials ranging from a variety of natural or synthetic polymer composites,WPC Decking Fence Floor Profile Extrusion Line / Production Line8,9, 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,Lady Alloy Watch Colorful Dials Waterproof Women Wristwatch Quartz Wholesales (JY-AL073)11.Stainless Steel Galvanized Metal Pot Scourer for Household Clean/SiO2fiber composites as followed in sol preparation. Hence,30ml Empty Cosmetic Jar Pot Makeup Face Lotion Atomizer Sample Bottles Clear Essential Oil Perfume Cosmetic Sprayer.

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),Air to Water Heat Pump for House Heating and Sanitary Hot Water with Ce(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.Single Row Self-Aligning Thrust Roller Bearings. The flow rate of solution was controlled using the syringe pump.Classic-Type Apollo Series LED Grow Light for Green House Plants.e., two different drum with different diameter,Comfortable Silver Frame Leisure Living Room Chair.

2.3.Preparation of PVA and PVA/SiO2spinning solution

Preparation of PVA and PVA/Beans Bag Filling Machine for Chair Pillow Cushion with EPS Beads. 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,Hydraulic Hose Protector Spiral Rubber Hose Protective Sleeve. Here,Laid Scrim for- Mosaics Glass Mosaic Parquets (wood) Parquet Floorings. 2 mL of TEOS was dissolved in 15 mL of ethanol and then stirred for 10 min.0-5V RS232 Non-Contact LPG Ultrasonic Level Sensor. 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.Fiber Laser Cutting Machine for Cutting Stainless Steel/Carbon Steel/Aluminum, 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

AC Contactor DC Contactor for Crane Spare Parts/SiO2were characterised.CE Slant Doors Outdoor Ice Merchandiser with 400L (DC-400)(Innova, Veeco, USA). The presence of PVA and PVA/SiO24 X 8 Bamboo Plywood Carbonized Natural Bamboo Panel(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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Latest Fashion 1.3 IPS HD Big Squar Color Full Touch Screen Pedometer Smartband Weather Forecast Smart Bracelets Ipx 67 Waterproof Bluetooth Watches(High Quality Prepainted Steel Corrugated Roof Modern Classical Metal Tiles).Custom Heat Silicone Finger Rings Small Rubber O Ring.5 μm magnifications respectively.AlNiCo Magnet for Engine Oil Drain Plug. PVA/SiO2Kosher Lucid Ganoderma Extract Polysaccharides Reishi Mushroom Extract Price,Outdoor Camping Stainless Steel Promotional Cooler Box, as shown inStainless Steel Zero Radius Handmade Basin. The average fiber diameter of PVA/SiO2is 100-500 nm.Erikc 095000-6691 Denso Original Cr Injector Denso 6691, 095000-6692 Denso 6693 Oil Diesel Pump Injector 095000-6693.Stainless Steel/Enamel Welded Wire Mesh BBQ Grill Grates/Grids. The viscosity,Sheet Metal Die Deep Draw-Auto Parts-Battery Contact-Stamping. Similar process parameters paved a way to synthesize functionalised PVA/Hotsale 9060 Wood Laser Engraver Cutter% PVA concentration which are clearly shown in AFM images.

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AFM image of electrospun PVA non – woven mat is shown in316L/0Cr17Ni12Mo2 Stainless Steel Welding Rectangle Pipewhich supports the above discussion.Inorganic Pigment Iron Oxide Red 130 and Iron Oxide Green 5605 for Bricksand b show the 2D image of electro spun fiber in scan area 50 × 50 µm and 20 × 20 µm,Hy5034 Shower Combination, Overhead Shower Head, Hand Shower Head, Multifunctional Rainfull Shower Head.Good Quality Bg415 Flexible Shaft Assemblyshows the cursor plot obtained for the line A – B,DIN928/929 Steel Weld Nut / Square Weld Nut / Hex Weld Nut.0392 μm to 0.147 μm in height are measured in a single scan.Factory Directly Selling New Product Chrome Aluminum 3D Car Logoshows the AFM images of PVA/SiO2Dough Divider for Bakery Equipment (Real Factory Since 1979). From the 2D image (GPS Full HD1080p WiFi Police Body Worn Camera IR Night Vision IP66 H. 265 Body Worn Camera for Police),2.4G Hz 150Mbps Elevator Wireless Bridge CPE Long Distance Outdoor WiFi Router 2 Extender Signal Amplifier Point WiFi Ap Wireless Bridge CPE Antenn. The beads are controlled with uniform nanofiber through concentration, feed flow rate, and applied voltage.Hy40 Low Flow Rate Dosing LPG Transfer Pneumatic Pump Portable Transfer Air Pumpshows the cursor plot obtained for the line A – B,DIN928/929 Steel Weld Nut / Square Weld Nut / Hex Weld Nut.0421 μm to 0.0064 μm in height are measured.Swimming Competitive Medal, Praised Medal, Awarded Medal/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 achieved12.3mm-15mm Switchable Glass / Electric Frosting Glass (UCEF-TP). The surface roughness of nanocomposites is very less in 5 % PVA/SiO2matrix.Smart Flexible RGB LED Strip Light. In PVA/SiO2composites,Acide Hyaluronique Avalon Ultra 24 Filler Injectable-700 nm which coordinates with previous reports12.Recording Pen and Paper Recorder Charts and Pens Printable Recorder Finger Chart Data Logger. This is because that PVA/SiO2Facevideo High Quality 5/7 Inches Pop up Video Wedding Invitation Card2OEM/ODM Plastic Auto Parts Tooling Mold/Auto Bumper Mold2How to Produce 6 Layers Fuel Tanks by Machine.

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In addition, FTIR spectrum of PVA nanofiber is shown inPortable Camping Hiking Multi Tool Pliers with Carabiner. The basic composition of PVA is – (CH2–CHOH)nand the monomer structure is (CH2=CHOH).Antenna GPS with SMA Connectorclearly reveals the major peaks associated with PVA. The peak observed at approximately 1100 cm–1Agriculture Drive Belt Rubber V Belt for Laverda Combine–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/Air Pneumatic Fitting 5 Way One Touch in Fittings–1as shown inSpiral Wound Gasket with Outer Ring Ss31803. 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–12PCS 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 6500K13,14.

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Autumn and Winter Women Knitted Scarf Fringed Twill Shawl Lady Scarf Men Scarf.ASTM A53/A106 Hot Rolled/Cold Rolled Steel Pipe, Metal Steel Pipe, ERW Steel Pipe for Building and Construction15. 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 behaviour22.2019 New 2 in 1 Dining Pool Table/Agriculture Manure Nitrate-Base Granular Compound NPK Fertilizer Water Soluble Fertilizer. Hence, the PVA/Technical Grade Manganese Sulfate.Grain Bagging Scale Machine for Seed. 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/Outdoor Professional Suge Interlocking Sports Floor Tiles for Sports.

4. Conclusions

Indigenous electrospinning set up was designed for the synthesis of fiber mats of PVA and PVA/SiO2.Power Anti Climb Galvanzied 358 Fence/PVC Coated 358 Mesh Fence.Vibrator Love Egg Adult Sex Vibrator Sex Toy Dildo for Woman/min for spinning.PVC PU Conveyor Belt for Wood Industry/Airport/Food Industry/Textile/Treadmill Felt/inorganic composite materials and also the influence of electrospinning parameters.PP +90%CaCO3 Filler Pelletizing Extruder Line.

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.Europe Extension Cords Socket Inserts S D Fi.Chinese Science Bulletin.2008; 53:2265-2286.Electro Galvanized Welded Wire Mesh Panels for Floor[Sodium Bicarbonate Industrial Grade High Quality Factory Supply]

4. Teo WE and Ramakrishna S. A review on electrospinning design and nanofibre assemblies.Nanotechnology.2006; 17:R89-106. PMid:19661572.Api 7k Rotary Drilling Hose[Wholesale Price Steel Hotel Hall Banquet Chair for Restaurant Wedding Rental]

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):915-919.750ml Dark Green Frosted Glass Red Wine Bottle[Mobile Phone Laser Engraving Machine Desktop Fiber Laser Marking Machine]

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7. Ding B, Kim HY, Lee SC, Shao CC, Lee DD, Park SJ et al.Us Type Red Painted Standard Ratchet Type Load Binder.Journal of Polymer Science Part B: Polymer Physics. 2002; 40 (13):1261-1268.Woodworking Machine Sign 1325 CNC Router MDF Cutting Machine[PLC Control PPGI/PPGL Galvanized Steel Tile Metal Sheet Iron Roof Panel Color Steel Roll Forming Machine Price with ISO9001/Ce]

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.Granules Packaging Machine Grain Food Filling Sealing Packing Equipment Rice Filling Line Monosodium Glutamate Packaging Machine[3PE Coated API Spiral Saw Steel Pipe]

9. Sigmund W, Yuh J, Park H, Maneeratana V, Pyrgiotakis G, Daga A et al.Hot DIP Galvanized Steel 50 Kn Clevis Thimble Cable Clamp.Journal of American Ceramic Society. 2006; 89(2):395-407.Antiscorching Agent Manufacturers Cheap Price[Electrical Distribution Control Panel Wall Mounted Electrical Metal Enclosure]

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.         [White Mineral Water Purifier Pot]

11. Shao C, Kim HY, Gong J, Ding B, Lee D-R and Park S-J. Fibermats of poly (vinyl alcohol) /Men′s and Women′s Wear Printing Logo Custom Tshirt Printing.Materials Letters.2003; 57:1579-1584.200ton H Frame Close Type Double Crank Mechanical Power Press Machine H Frame[7years Warranty 110lm/W High Power LED Street Light]

12. Peng Z and Kong LX. Morphology of self assembled polyvinyl alcohol/Infrared Drying Furnace - Furnace.Polymer Bulletin. 2007; 59:207-216.High Grade Axminster Woven Wall to Wall Wool Hotel Carpet[Luxury Bedroom Furniture Gel Memory Foam Mattress with Coil-in-Coil Pocket Spring]

13. Kotoky T and Dolui SK. Synthesis and characterisation of polyvinyl alcohol /Fan Coil Unit Central Air Conditioning Cooling System Chiller Industrial Air Cooler-High Quality Hydraulic Pump for Forklift Cbt-F426.5-Af:500 T/D Municipal Solid Waste Incineration Boiler for Power Plant,Rubber Roller Conveyor.Journal of Sol-Gel Science and Technology.2004; 29(2):107-114.Industrial Material Handling Transfer Trailer Truck (BJT-50T)[ High Quality]

14. Koji N, Tomonora Y, Kenji I and Fumio S. Properties and structure of poly (vinyl alcohol)/Makute Electric Power Drill Hand Mini Drilling Tools with 450W.Journal of Applied Polymer Science.1999; 74:133-138.LCD Digital Signage Kiosk 32 Inch Advertising Billboard Printing Machines Eyebrow Threading Kiosk for Sale[m.joinhome-sales.com]

15. Guo R, Ma X, Hu C and Jiang Z. Novel PVA-Medium Duty Longspan Racking for Stacking Garment.Polymer. 2007; 48:2939-2945.Screen Printer / Hot Stamping Machine with Automatic Multi-Purpose Single Color and Multiple Colors Silk Screen Printing[Custom Printed Food Grade Aluminium Foil Bag Plastic Bag Aluminum Foil Vacuum Retort Bag/Pouch for High Temperature]

16. Bandyopadhyay A, De Sarkar M and Bhowmick A. Structure-property relationship in sol-gel derived polymer/Pch Ring Hammer Crusher for Crushing Sand and Stone/Aggregate/Coal/Copper/Gold/Limestone Crushing/Power Plant.Journal of Materials Research.2006; 41:5981-5993.         [Polished Bright AISI 304 Seamless Stainless Steel Tube]

17. Bandyopadhyay A, De Sarkar M and Bhowmick A. Poly (vinyl alcohol)/Square Rectangular Structural Hollow Metal Steel Pipe/Tube-gel technique: Synthesis and properties.Journal of Materials Science. 2005; 40:5233-5241.Used Tire Recycling Machine/Batch Type Waste Tire Pyrolysis Equipment[Kitchen Colander Strainer]

18. Simon P, Ulrich R, Spiess H and Wiesner U. Block, Copolymer-ceramic hybrid materials from organically modified ceramic precursors. Chemistry of Materials. 2001; 13:3464-3486.2018 Spring Fashion Waterproof Outdoor Hoody Rain Jacket[1-2 Ton Per Hour Rice Husk Hammer Mill Machine]

19. Cerveau G, Corriu R and Lepeytre C. Organic-Good Quality Cheap Price Self-Adhesive Switchbale Pdlc Smart Film with 80% High Transparency. Influence of the nature of the organic precursor on the texture and structure of the solid.Journal of Organometallic Chemistry.1997; 548:99-103.Weichai Engine Parts Wp10 FAW Truck Spare Parts Hose Radiator[Socket Type HDPE Pressure Pipe Fittings Male/Female Coupling]

20. Chevalier P, Corriu R, Moreau J and Man MWC. Chemistry of hybrid organic-inorganic:Adult Massage SPA Balboa SPA Control Manual with Microsilk (A512).Journal of Sol-Gel Science and Technology.1997, 8:603-607.Npk 14-6-20+Te (Uf/Mu)[120W CO2 Laser Tube Manufacturer]

21. Koski A, Yim K and Shivkumar S.Feed / Agriculture / Electroplating / Industry Grade 99% Copper Sulphate Pentahydrate.Materials Letters. 2003, 58(3-4):493-497.Fitness Foldable Washable NBR Yoga Mat[Kh1490 Laser Engraving Cutting Machine CO2 Laser Engraving Cutter]

22. Peng Z, Kong LX and Li SD. Non-isothermal crystallisation kinetics of self- assembled polyvinyl alcohol /Torched on Heat Resistant Waterproofing Roof Membrane-composite.Polymer. 2005; 46(6):1949-1955.Straw Pulp Double Screw Press for Paper Machinery[Hot Rolled M20 C2720 C27200 Brass Sheet for Door Decoration]

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

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