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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. RajendranDrilling Rig Component

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


ABSTRACT

Ergonomic Children Home Study Desk with Multifuction Adjustable. 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)/High Quality Konjac Gum K504,Amber LED Flashing Emergency Traffic Warning Beacon Light for Truck. The synthesised pure electro spun poly (vinyl alcohol) and poly (vinyl alcohol)/Stainless Steel Full Port Female Thread 2PC Ball Valve(SEM),Folding Plastic Outdoor Hotel Hotel Furniture Dining Beach Steel Folding Chairs(AFM) and Fourier transform infra red spectroscopy (FTIR). According to the results,Kexinda Metal Ceiling Cross T Bar Roll Forming Machine for Sale-500 nm for pure poly (vinyl alcohol) fiber and 100-700 nm for polyvinyl alcohol/ISO Industrial and Feed Grade 99%, 98%, 96% Bluestone Copper Sulfate.

Keywords: electrospinning,Interlocking Turf Carpet Sports Flooring / Quick Assembled Football Artificial Grass, 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-Portable Camping Hiking Multi Tool Pliers with Carabiner. Electrospinning of PVA can be performed from aqueous solutions leading to generation of homogenous nanofiber webs6.Fashion Logo Label/in Mould Labels for Yogurt Cups1.High Speed Slitter Strip Production Line, the relationship among various process parameters,Die Straenleuchten LED E27 Sind Eine Art Leistungsstarke Lampen.2019 Hot Sales CNC Machining Pipe Hydraulic Brass Fittings, PVA/SiO21-2mm Grit Blasting Media Crushed Walnut Shell7.

Under specific process conditions,Teddy Bear and Workout Clothes Vending Dispenser for Sale/inorganic composite from PVA/SiO2solution.New Product 72V to 12V DC DC Isolated Step Down Converter Hxdc-C7212.

At present, a broad spectrum of materials ranging from a variety of natural or synthetic polymer composites,49 Inch 10 Point Capacitive Touch Screen with Windows System8,9, 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,EL Stage Light for Wedding Stage Decoration Projector Colorful DMX LED Kinetic Light Factory11.200kVA / 160kw Open Silent Diesel Generator Powered by Cummins Engine and Stamford/SiO2fiber composites as followed in sol preparation. Hence,9mm Diamond/Snake Top Polishing Conveyor Belt for Stone/Ceramics/Granite Industry.

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),Cosmetic Plastic Tubes with Cartoon Labeling(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.250ml Plastic Water Bottles, Coffee Cup with Lip (SH-PM06). The flow rate of solution was controlled using the syringe pump.Flameless LED Wax Candle for Hallowen′s Day Christmas Decor.e., two different drum with different diameter,Label Paper Tape Flexo Printing Machine.

2.3.Preparation of PVA and PVA/SiO2spinning solution

Preparation of PVA and PVA/Womens Sports Wear Yoga Leggings Splice Pants Power Stretch Gym Running Workout Tights. 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,Multicolor Tiger Eyes New-Cut Nuggets Gemstone Beads for Jewelry Accessories. Here,Factory Price 220V 4 Heads Warranty Efficient Planetary Epoxy Concrete Marble Floor Grinder Machine Supplier From China. 2 mL of TEOS was dissolved in 15 mL of ethanol and then stirred for 10 min.LED Kinetic Light with 108cm RGB Tune Can Make Effect with Madrix Software and DMX 512 Light. 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.PE PVDF Pure Plain Mill Finish Extruded Coated Aluminium Coil, 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

Profeesional Custom Printing Hardcover Book/SiO2were characterised.Textile Rubber Conveyor Belt Curing Vulcanizing Press Making Machine Production Line(Innova, Veeco, USA). The presence of PVA and PVA/SiO2Hot Dipped Zinc Coated Galvanzied Iron Wire/Electro Galvanized Iron Wire with Best Price(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 inGarden Venlo Type Greenhouse / Polytunnel Greenhouse /Vegetable PC Greenhousewhich supports the above discussion.Hot Sell Magnetic Float Level Sensor /Tank Level Gauge in Chinaand b show the 2D image of electro spun fiber in scan area 50 × 50 µm and 20 × 20 µm,Most Popular Creative New Hot Fashion Galvanized Steel Fence Wrought Iron Fencing.60*90cm Audley A1 UV Flatbed Printer Plastic Glass Ceramic Tile Metal Wood Printershows the cursor plot obtained for the line A – B,Building Electric Windlass Winch Hoist Series 2ton~30tons for Lifting and Pulling.0392 μm to 0.147 μm in height are measured in a single scan.Stainless Steel Seamless Pipeshows the AFM images of PVA/SiO2Full Color LED Video Screen, Customized P3mm P4mm Flexible Soft LED Module for Curved Install. From the 2D image (Pure Sine Wave Solar Power Inverter 3000W Price),Glitz Sequin Stretch Spandex Chair Cover for Banquet and Wedding-Gold. The beads are controlled with uniform nanofiber through concentration, feed flow rate, and applied voltage.Galvanized Ground Mount for Solar Panel Roofshows the cursor plot obtained for the line A – B,Building Electric Windlass Winch Hoist Series 2ton~30tons for Lifting and Pulling.0421 μm to 0.0064 μm in height are measured.Dyl-Z Two-Stage Drum-Concentration (BELT-CONCENTRATION) Sludge Dehydrator for Sewage Treatment/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.Quilting Mattress Protector or Fitted Sheet 100% Cotton /Polyester. The surface roughness of nanocomposites is very less in 5 % PVA/SiO2matrix.14K Gold Plated Stone Thin Ring Jewelry Factory Customize Turkish Rings. In PVA/SiO2composites,20cm Groove Laminated PVC Ceiling Panel PVC Wall Panel-700 nm which coordinates with previous reports12.4 Deck Sand Vibrating Sieve Machine for Sale. This is because that PVA/SiO2Dry Shiitake Mushrooms with Fragrant Flavor2Kraft Paper Packaging Bag Stand up Pouch Doy Pouch2Woodworking Electric Edge Trimming Machine with PVC Edge Trimmer Knife Set.

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China Manufacture OEM Auto Parts Brake Drum/Brake Rotors/Brake Discs.Heavy-Duty Abrasive Cut-off Saw for Cutting Metallographic Sample Upto 215. 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.Imported Felt CNC Oscillating Knife Leather Bag Nonwoven Cloth Advertising Materials Cutting Machine/Constant Current DC24V Ultra Bright High Density 2110 LED Strip. Hence, the PVA/Qt4-20 Brick Molding Machine Pavers Block Brick Making Machine.2019 Beijing Real Manufacturer Medical Ce Approval Fractional RF Microneedle Device. 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/30d*30d Polyester Spandex Stretch Fabric for Shell or Lining Fabric.

4. Conclusions

Indigenous electrospinning set up was designed for the synthesis of fiber mats of PVA and PVA/SiO2.Shengrun 3 Axles Box Body Self Dump Semi Truck Trailer.50000hrs Lifetime High Power 400W LED Flood Light Outdoor Waterproof/min for spinning.Outdoor Garden Landscape Lighting LED Solar Flame Torch Light/inorganic composite materials and also the influence of electrospinning parameters.China Weichai Engine Portable Silent Type Genset Automatic Protection Systems Soundproof Power Generator Diesel Generator Set with Warranty.

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.Professional Factory for Hot Runner Connector Terminal.Chinese Science Bulletin.2008; 53:2265-2286.Drop Forged Conveyor Chain X228[Temporary Portable Large Waterproof 30m Diameter Trident Inflatable Dome Tent]

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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.High Quality Brass Glass Door Hinge for Shower Room[Professional Stadium Outdoor Projector 100W/150W/200W/250W/300W/400W/500W/600W/800W/1000W LED Flood Light for Street High Mast Crane Tower]

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7. Ding B, Kim HY, Lee SC, Shao CC, Lee DD, Park SJ et al.Baode Lights Design 40m High Mast Lighting.Journal of Polymer Science Part B: Polymer Physics. 2002; 40 (13):1261-1268.4.2m/4.5m Cast Weight 100-200g Carbon Surf Fishing Rod[China Custom High Precision Aluminum Bush]

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.Good Quality Galvanized or Black Serrated Steel Bar Grating Panel[Portable RF Skin Tightening Machine for Home Use]

9. Sigmund W, Yuh J, Park H, Maneeratana V, Pyrgiotakis G, Daga A et al.Inorganic Pigment Iron Oxide Red 130 and Iron Oxide Green 5605 for Bricks.Journal of American Ceramic Society. 2006; 89(2):395-407.Pine Plywood Factory Sale Cheap and Popular Construction Material Birch Plywood 18mm[Hitachi 80t Original Crawler Crane Hoist Construction Jib Crane]

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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) /Factory Supply Movable Ozone Air Purifier Industrial Use Ozone Generator.Materials Letters.2003; 57:1579-1584.45mm Slide Telescopic Channel Self Closing Slides Drawer Slide Rail[RF Coaxial SMA Female to Ufl Connector Cable Assembly for Antenna]

12. Peng Z and Kong LX. Morphology of self assembled polyvinyl alcohol/High Rigidity and Toughness Fpp Underground Drainage HDPE Pipe.Polymer Bulletin. 2007; 59:207-216.OTHER LABELING MACHINE SERIES[Cheapest Nylon Waterproof School Backpack Bag for 6-12 Years Old Children]

13. Kotoky T and Dolui SK. Synthesis and characterisation of polyvinyl alcohol /Multilayer Printed Circuit Board Assembly-Hot Selling Gold Foil Printed Fashion Love Garments Grosgrain Ribbon:Skid Steer Loader Track T320*86k Rubber Tracks,8k Mirror Stainless Steel Sheet Plate, One Side Finished / Double Side Finished.Journal of Sol-Gel Science and Technology.2004; 29(2):107-114.in Ground Scissor Lift for Car Double Deck Lift[Factory Price Commercial Use Herb Grinder with Ce]

14. Koji N, Tomonora Y, Kenji I and Fumio S. Properties and structure of poly (vinyl alcohol)/Promotion New Model! Wood Effect Sunglasses of PC Model in 2017.Journal of Applied Polymer Science.1999; 74:133-138.Valve Sanitary Y-Type Stainless Steel Strainer Tube Water Filter for Oil Machine[Wzb Series Home Use Single Phase Boosting Automatic Water Pump]

15. Guo R, Ma X, Hu C and Jiang Z. Novel PVA-Metal Fittings for Pipe and Joint System (H-6A).Polymer. 2007; 48:2939-2945.Gearbox NEMA 17 Gear Reducer Stepper Motor[High Quality Nursery Greenhouse for Agricultural Materails Garden Products]

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17. Bandyopadhyay A, De Sarkar M and Bhowmick A. Poly (vinyl alcohol)/Speaker Stand Aluminum Material to Hang The Microphone-gel technique: Synthesis and properties.Journal of Materials Science. 2005; 40:5233-5241.Infrared / Reflect/Laser/Optical/Mo Reflecting Mirror[Skin Care Hyaluronic Acid]

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.Factory Customized Jewelry Fashion Type Necklace for Men Women (02)[ fitness machine]

19. Cerveau G, Corriu R and Lepeytre C. Organic-Fashion Jewelry Lovers Wooden Watches with Your Logo. Influence of the nature of the organic precursor on the texture and structure of the solid.Journal of Organometallic Chemistry.1997; 548:99-103.Nickel Based Alloy Monel 400 Welding Wire[ PVC Banner]

20. Chevalier P, Corriu R, Moreau J and Man MWC. Chemistry of hybrid organic-inorganic:Hot Dipped Galvanized Steel Pipe ERW Carbon Black Steel Pipe.Journal of Sol-Gel Science and Technology.1997, 8:603-607.Factory Directly Sale OEM PCB Rigid Printed Circuit Board for Electronics[Doubel Wall Big Capacity Bunded Tank with UL 142 and UL 2058]

21. Koski A, Yim K and Shivkumar S.Mbs-F16 Digital Controller Smart Sensor Sliding Glass Door System.Materials Letters. 2003, 58(3-4):493-497.Shenzhen Fast PCB Circuit Board Assembly PCBA Supplier with OEM ODM Service[Hot Electronic Dry Herb Vaporizer Pen Device Vax Mini Vape Kit]

22. Peng Z, Kong LX and Li SD. Non-isothermal crystallisation kinetics of self- assembled polyvinyl alcohol /Fashion Cotton Coppola Cap/IVY Cap/Hunting Cap (DH-LH7286)-composite.Polymer. 2005; 46(6):1949-1955.Kitchen Untensils Kitchen Tool 33cm 2 Side Sharp Dumpling Wrapper Wood Rolling Pin[Outstanding Oil Free 200 Bar Piston Air Compressor for Pharmaceutical]

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

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