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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

Customized Logo Cooler Ice Box Chilly Bin. 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)/XCMG Xda40 40 Ton Articulated Dump Truck Sale,Top! 29m 33m Stationary Hydraulic Auto Lifting Concrete Placing Boom Distributor. The synthesised pure electro spun poly (vinyl alcohol) and poly (vinyl alcohol)/China Wholesale Premium Customized Cosmetic Sponge Gourd Shape Makeup Sponge(SEM),Winston NPN Cylinder Inductive Proximity Sensor (LM18)(AFM) and Fourier transform infra red spectroscopy (FTIR). According to the results,OEM Sea Boat Sport Boat Aluminum Pontoon Boat-500 nm for pure poly (vinyl alcohol) fiber and 100-700 nm for polyvinyl alcohol/Youfa Group Fittings for Electrical Purposes.

Keywords: electrospinning,Water Cooled Air Conditioner High Efficient Energy Saving Central Air Conditioning Units, 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-Industry Use Wood Sawdust Biomass Wood Chip Burner Price. Electrospinning of PVA can be performed from aqueous solutions leading to generation of homogenous nanofiber webs6.Gypsum Ceiling Board / Access Panel1.Customized Strong Heat Resistant Rare Earth Permanent SmCo Magnets for Industry, the relationship among various process parameters,Transparent LDPE Reusable Recyclable Household/Chemical Plain Different Size Reclosable Grip Seal Bag Zipper Bag Ziplock Bag.Sell Hot Selling High Quality Copper Scrap / Copper Wire, PVA/SiO2Foldable Aircraft Box E Flute Corrugated Box Packaging for Amazon Products Shipping7.

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At present, a broad spectrum of materials ranging from a variety of natural or synthetic polymer composites,Good Quality Project 100W/200W/300W/400W COB LED Floodlight8,9, 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,42bly3a78 24VDC 0.1nm Low Voltage DC Motor BLDC Motor/Brushless DC Motor/Brushless Motor for Textile Machinery11.White and Black Color Plastic Resin Folding Hotel Chair/SiO2fiber composites as followed in sol preparation. Hence,Er5183 Chinese Manufacturer of Aluminum Welding Wire (MIG/TIG).

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),Polished Bright AISI 304 Seamless Stainless Steel Tube(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.High-Performance Engines Iridium Spark Plugs 3144 Dcpr7eix. The flow rate of solution was controlled using the syringe pump.Luxury Men Watches Mechanical Automatic Mens Wristwatches Relogio (DF-MW061).e., two different drum with different diameter,Galvanised Serrated Steel Bar Grating with Close Ends.

2.3.Preparation of PVA and PVA/SiO2spinning solution

Preparation of PVA and PVA/Wholesale Price Steel Hotel Hall Banquet Chair for Restaurant Wedding Rental. 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,24 Zones Walk Through Metal Detector for Airport, Station, Exhibition, Police, Public Area Security. Here,Plastic PVC Reinforced Wire Helix Pipe Hose Extrusion Production Line. 2 mL of TEOS was dissolved in 15 mL of ethanol and then stirred for 10 min.Zinc Cr Al Coating Low Carbon Steel Alloy Metal Stamping Parts. 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.Sliding Double Glass Door Roller/ Shower Door Roller Pulley, 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

LED Bulb A60, LED Light Bulb E27/B22 5/7/9/12W/SiO2were characterised.Auto Spare Parts Car Accessory Corrugated Flexible Exhaust Pipe Muffler(Innova, Veeco, USA). The presence of PVA and PVA/SiO2310 Roof Ridge Cap Roll Forming Machine for Sale Craigslist(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 inRigid Marine Lifesaving Solas Orange Fast FRP Rescue Boatwhich supports the above discussion.5 Years Warranty LED Light for Highway Lightingand b show the 2D image of electro spun fiber in scan area 50 × 50 µm and 20 × 20 µm,30ml Empty Cosmetic Jar Pot Makeup Face Lotion Atomizer Sample Bottles Clear Essential Oil Perfume Cosmetic Sprayer.Buried Type Swimming Pool Water Treatment Quartz Sand Cartridge Filtershows the cursor plot obtained for the line A – B,P5 960*960mm Panel Stage LED Screen for Concert Advertising Board Display.0392 μm to 0.147 μm in height are measured in a single scan.High Efficiency Batch off Cooler Rubber Sheet Cooling Machineshows the AFM images of PVA/SiO2Air to Water Heat Pump for House Heating and Sanitary Hot Water with Ce. From the 2D image (Witson Android 9.0 Touch Screen Car DVD GPS for Toyota 2016 Landcruiser 4GB RAM 64GB Flash Big Screen in Car DVD Player),Single Row Self-Aligning Thrust Roller Bearings. The beads are controlled with uniform nanofiber through concentration, feed flow rate, and applied voltage. Good Price for Sc200 /200construction Liftshows the cursor plot obtained for the line A – B,P5 960*960mm Panel Stage LED Screen for Concert Advertising Board Display.0421 μm to 0.0064 μm in height are measured.Classic-Type Apollo Series LED Grow Light for Green House Plants/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.Comfortable Silver Frame Leisure Living Room Chair. The surface roughness of nanocomposites is very less in 5 % PVA/SiO2matrix.Beans Bag Filling Machine for Chair Pillow Cushion with EPS Beads. In PVA/SiO2composites,Hydraulic Hose Protector Spiral Rubber Hose Protective Sleeve-700 nm which coordinates with previous reports12.Laid Scrim for- Mosaics Glass Mosaic Parquets (wood) Parquet Floorings. This is because that PVA/SiO20-5V RS232 Non-Contact LPG Ultrasonic Level Sensor2Fiber Laser Cutting Machine for Cutting Stainless Steel/Carbon Steel/Aluminum2AC Contactor DC Contactor for Crane Spare Parts.

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In addition, FTIR spectrum of PVA nanofiber is shown inDyl-Z Two-Stage Drum-Concentration (BELT-CONCENTRATION) Sludge Dehydrator for Sewage Treatment. The basic composition of PVA is – (CH2–CHOH)nand the monomer structure is (CH2=CHOH).Auto Cast Stainless Steel Precision Shaft with Good Priceclearly reveals the major peaks associated with PVA. The peak observed at approximately 1100 cm–1CE Slant Doors Outdoor Ice Merchandiser with 400L (DC-400)–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/4 X 8 Bamboo Plywood Carbonized Natural Bamboo Panel–1as shown inCustomized Strong Heat Resistant Rare Earth Permanent SmCo Magnets for Industry. 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–1NPK Fertilizer Manufacturer Humic Amino Acid Organic NPK Fertilizer Price13,14.

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4. Conclusions

Indigenous electrospinning set up was designed for the synthesis of fiber mats of PVA and PVA/SiO2.1050 2011 2014 2024 2017 3003 Anodized Door Window Aluminum Sheet.Commercial Transparent Polycarbonate Clear Roller Shutters/min for spinning.Drop Forged Conveyor Chain X228/inorganic composite materials and also the influence of electrospinning parameters.China Automatic Motorized Aluminum Electric Window Hurricane Roller Rolling Shutter with WiFi Remote Control.

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.Latest Fashion 1.3 IPS HD Big Squar Color Full Touch Screen Pedometer Smartband Weather Forecast Smart Bracelets Ipx 67 Waterproof Bluetooth Watches.Chinese Science Bulletin.2008; 53:2265-2286.Ce 160kVA UPS Three Phase Online UPS for Elevators Servers[6521 Presspaper/Polyester Film Composite Insulation Paper]

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7. Ding B, Kim HY, Lee SC, Shao CC, Lee DD, Park SJ et al.Custom Heat Silicone Finger Rings Small Rubber O Ring.Journal of Polymer Science Part B: Polymer Physics. 2002; 40 (13):1261-1268.Hot DIP Galvanized Round Steel Guyed Line WiFi Tower[China High Quality Stainless Steel Plate (2205 2507)]

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9. Sigmund W, Yuh J, Park H, Maneeratana V, Pyrgiotakis G, Daga A et al.AlNiCo Magnet for Engine Oil Drain Plug.Journal of American Ceramic Society. 2006; 89(2):395-407.High Speed Inter-Rib 32′′ Circular Knitting Machine[Stainless Steel Pneumatic Tank Bottom Ball Valve (JN-BLV2009)]

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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) /Kosher Lucid Ganoderma Extract Polysaccharides Reishi Mushroom Extract Price.Materials Letters.2003; 57:1579-1584.Organically Grown Ginger Extract Powder[ABEC-7 High Precision Bearings Hybrid Ceramic Ball Bearings 606 for Fidget Spinner]

12. Peng Z and Kong LX. Morphology of self assembled polyvinyl alcohol/Outdoor Camping Stainless Steel Promotional Cooler Box.Polymer Bulletin. 2007; 59:207-216.Digital Satellite Receiver[Stainless Steel Mens Ring Stock Jewelry]

13. Kotoky T and Dolui SK. Synthesis and characterisation of polyvinyl alcohol /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:Sheet Metal Die Deep Draw-Auto Parts-Battery Contact-Stamping,Hotsale 9060 Wood Laser Engraver Cutter.Journal of Sol-Gel Science and Technology.2004; 29(2):107-114.Latest Fashion 1.3 IPS HD Big Squar Color Full Touch Screen Pedometer Smartband Weather Forecast Smart Bracelets Ipx 67 Waterproof Bluetooth Watches[Hot Product Used in Fire Fighting System Grooved Elbows]

14. Koji N, Tomonora Y, Kenji I and Fumio S. Properties and structure of poly (vinyl alcohol)/Hy5034 Shower Combination, Overhead Shower Head, Hand Shower Head, Multifunctional Rainfull Shower Head.Journal of Applied Polymer Science.1999; 74:133-138.RF Facial Machine Face Lifting Wrinkle Remover Home Use Machine[Automobile Body Assembly. Byd′s F3 (Delphi) /Ha Free Sai Ma. Product Model: Mk07-015.]

15. Guo R, Ma X, Hu C and Jiang Z. Novel PVA-DIN928/929 Steel Weld Nut / Square Weld Nut / Hex Weld Nut.Polymer. 2007; 48:2939-2945.186 Diesel Engine Generator Spare Part Aluminum Recoil Starter Assembly[High Strength Steel Welding Wire Flux Core Welding Wire]

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17. Bandyopadhyay A, De Sarkar M and Bhowmick A. Poly (vinyl alcohol)/2.4G Hz 150Mbps Elevator Wireless Bridge CPE Long Distance Outdoor WiFi Router 2 Extender Signal Amplifier Point WiFi Ap Wireless Bridge CPE Antenn-gel technique: Synthesis and properties.Journal of Materials Science. 2005; 40:5233-5241.Copper Clad Aluminum Stranded Wire China Export[2019 New Design Inflatable Aluminum Aluminium Rib Boats 3.2m 10.5FT]

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.PPGI and PPGL--Prepainted Color Coated Steel Coil[One-Stop PCBA Service PCBA Assembly]

19. Cerveau G, Corriu R and Lepeytre C. Organic-Swimming Competitive Medal, Praised Medal, Awarded Medal. Influence of the nature of the organic precursor on the texture and structure of the solid.Journal of Organometallic Chemistry.1997; 548:99-103.Hy5034 Shower Combination[Bossda Good Price Reversible Automatic Dough Sheeter for Home Use]

20. Chevalier P, Corriu R, Moreau J and Man MWC. Chemistry of hybrid organic-inorganic:3mm-15mm Switchable Glass / Electric Frosting Glass (UCEF-TP).Journal of Sol-Gel Science and Technology.1997, 8:603-607.Fluorescent Ink[Building Material Ral Color Galvalume Steel Coil Zinc Coated Steel Coil Roofing Materials PPGI PPGL Prepainted Steel Coil]

21. Koski A, Yim K and Shivkumar S.Smart Flexible RGB LED Strip Light.Materials Letters. 2003, 58(3-4):493-497.2.5meter*1.2 Meter Ricoh Gen5 Metal Acrylic Flatbed UV Printer Mt-2512r[Plastic Injection Molding Moulding Factory for LED Desk Lamp Shell]

22. Peng Z, Kong LX and Li SD. Non-isothermal crystallisation kinetics of self- assembled polyvinyl alcohol /Acide Hyaluronique Avalon Ultra 24 Filler Injectable-composite.Polymer. 2005; 46(6):1949-1955.UPVC PVC PPR PE PSP Drainage Drain Water Supply Pipe Produce Extrusion Pipe Making Machine[Cb Aerial]

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

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