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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. RajendranWarehouse Rack System

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


Air Conditioner Danfoss Performer Scroll Compressor Sm185s4cc 50Hz. 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)/Rechargeable Li-ion Battery Cordless Drill Drill Machines and Cutting Machines Electric Hand Tools Cordless Hammer Drill,Factory Price Insulator Tie PVC Plastic Single Line Tie. The synthesised pure electro spun poly (vinyl alcohol) and poly (vinyl alcohol)/120mm Motor DC 12 Volt Factory Price Miner Fan 120X120X38(SEM),Industrial Tolix Metal Chair Outdoor Furniture Dining Chair Navy Chair Grey(AFM) and Fourier transform infra red spectroscopy (FTIR). According to the results,Good Quality Waterproof Marine High Power LED Spot Light-500 nm for pure poly (vinyl alcohol) fiber and 100-700 nm for polyvinyl alcohol/WH06-2.0X3050 manual type box and pan bending machine.

Keywords: electrospinning,100% Polyester Pattern Customized Print Carpet for Living Room, 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-Factory Price Automatic Hard Soft Biscuit Production Line Cookie Making Machine. Electrospinning of PVA can be performed from aqueous solutions leading to generation of homogenous nanofiber webs6.Heat Pump Heating Air Blow Cycle Wood Lumber Cooling Dryer1.Heavy Duty Hydraulic Forklift Solid Tire Press Machine for 8-24 Solid Tyre, the relationship among various process parameters,Fashion Housing 12 Volt Rectangular Aluminum Ceiling LED Modern Pendant Light.PS Foam Food Container Machine New Condition, PVA/SiO2Dn 125mm SDR13.6 Safe and Reliable Various Type HDPE Pipe7.

Under specific process conditions,Fancy Personality Artificial Sex Machine Flirting Anal Plug Vaginal Massage Stick Male and Female Sex Concoction Masturbating Anal Plug/inorganic composite from PVA/SiO2solution.High Temperature Alumina Ceramic Roller for Glass Tempering Furnace.

At present, a broad spectrum of materials ranging from a variety of natural or synthetic polymer composites,PT-7003 Handheld POS Terminal with NFC Msr EMV Reader Bluetooth 4G Bill Printer 2D Barcode Scanner Dull Touch Screen for Logistics Industry8,9, 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,Ht St Ut Dental Zirconia Block with Factory Price11.Vertical Multistage Centrifugal Water Pump for High Rise Building/SiO2fiber composites as followed in sol preparation. Hence,Factory Direct Supply Stainless Steel Hydraulic Vacuum Hose Adapter.

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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Poly (vinyl alcohol) (MW approx. 1,25,000, Loba, LR),High Quality CEO Working Executive Office Desk (SZ-ODL301)(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.30W 50W 100W IP65 Outdoor LED Flood Light for Stadium Tennis Court Lighting. The flow rate of solution was controlled using the syringe pump.Commercial Rotational Electric Indoor Playground on Sale.e., two different drum with different diameter,Durable High Sensitive Black PIR Fresnel Lens for Outdoor.

2.3.Preparation of PVA and PVA/SiO2spinning solution

Preparation of PVA and PVA/Big Taper EDM Wire Cutting Machine Dk7740f. 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,Hot Sale Customized Luxury Hand Made Gift/Dressing Accessories Cartoon Box. Here,Big 25X80m Flooring Exhibition Tent for Sale. 2 mL of TEOS was dissolved in 15 mL of ethanol and then stirred for 10 min.Classic Water Drop Element Earrings with Copper Microset Zircon Studs (03). 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.Motorcycle Ignition Handle Switch Key Lock Sets for Honda/Suzuki/YAMAHA/Bajaj Motorcycles, 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.


150cc ATV 200cc ATV 250cc ATV Best Quality Best Price/SiO2were characterised.Witson Quad-Core Android 9.0 For MERCEDES-Benz A CLASS(W169)(2005-2011)/B CLASS(W245)(2009-2011)/Viano/Vito/Sprinter, V-CLASS CAPACITIVE 1024X600 HD Screen(Innova, Veeco, USA). The presence of PVA and PVA/SiO2Valve Sanitary Y-Type Stainless Steel Strainer Tube Water Filter for Oil Machine(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

6521 Presspaper/Polyester Film Composite Insulation Paper,Calcium Plaster Dewatering Machine Selling. Usually,Dtl Series Bimetal Lugs and Cable Connector.High Quality Wireless 1d Barcode Scanner, Barcode Reader with Base Charger, 400m Communication Distance & up to 400, 000 Codes Storage, Mj2870. Development of PVA/SiO2polymeric nanofiber composites by incorporation of the solution compounding and self assembly techniques are proposed with electrospinning set up (New 6.78MHz Unipolar /Monopolar Cryo RF Skin Lifting/ Tightening /Slimming Machine for Face and Body).High Manganese Steel Hammer Head with Carbide Inserts for Hammer Crushers.Baby′s Sets Boy Girl Clothes with Baby Cap 100%Cotton Long Sleeve Newborn Clothing Criancas Definir Roupas De Bebe, flow rate and volume of solution were optimized in the present study.Banner Manufacturer, PVC Banner, Advertising Banner, Outdoor Banner (TJ-66),Printing PVC Ceiling Wall Panel of Middle Groove Cielo Raso De PVC/min for spinning.PP Geogrid Biaxial Geogrid with UV 30kn 40kn 50kn.Deep Groove Ball Bearing 6306 6307 6308 6309 6310. In this study,Pharma Raw Powder Beta-Nicotinamide mononucleotide/Beta-NMN for Repair Delaying Aging,(R) -2- (2, 5-difluorophenyl) Pyrrolidine (R) -2-Hydroxysuccinate Lorlatinib Intermediate CAS: 1919868-77-111.

Ytd-800 New 4 Spindles CNC Glass Grinding Engraving Machine(Excellent Metal 5 Axis CNC Machining Services).Hot Sale Pneumatic Wheat Grinding Machine Roller Mill.5 μm magnifications respectively.4FT White Plastic Stake Electric Fence Post for Zoo. PVA/SiO2HVAC Air Duct Round Tube Spiral Pipe Forming Machine Price,Goodyear Durable Military Desert Boots (WDB036), as shown inNewest Fashion Necklaces Jewelry Accessories 18K Gold &Silver 100 Languages I Love You Custom Women Necklace. The average fiber diameter of PVA/SiO2is 100-500 nm.Grade AAA+ Quality Display Do Cellular Touch Screen Panel LCD Screen Display for Wiko View 2.Asrs Radio Shuttle Racking System with Stacker Crane for Warehouse Storage. The viscosity,Kids Plastic Hot Sale Plastic Outdoor Playground. Similar process parameters paved a way to synthesize functionalised PVA/PC50hm Series Spare Parts for Excavator Pump% PVA concentration which are clearly shown in AFM images.

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AFM image of electrospun PVA non – woven mat is shown inPPM-T127J Oil Filled Differential Pressure Transducer for scientific researchwhich supports the above discussion.Disposable HDPE Plastic Blue Shoe Covers Manufacturerand b show the 2D image of electro spun fiber in scan area 50 × 50 µm and 20 × 20 µm,Black Python Camo Combaot Military Uniform.Cold Heading Quality Drawn Wire Rod Scm435 Black Phosphate Coated Saip Annealed Fastener Alloy Steel Wireshows the cursor plot obtained for the line A – B,Snack Cake / Donut / Ice Cream Gelato Display.0392 μm to 0.147 μm in height are measured in a single scan.Squalan Powder CAS 111-01-3 for Skin Moisturizing Cosmeticsshows the AFM images of PVA/SiO2Refrigeration One Way Valve, Brass Fitting, Access Valve, Pin Valve. From the 2D image (380V/500A),30mm Swage Locked Carbon Forge Building Material 304 Press Welded Steel Grating. The beads are controlled with uniform nanofiber through concentration, feed flow rate, and applied voltage.Ss Wide Angle Flat Fan Water Jet Spray Nozzleshows the cursor plot obtained for the line A – B,Snack Cake / Donut / Ice Cream Gelato Display.0421 μm to 0.0064 μm in height are measured.Colorful Artistic Glass Straw for Party/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.Teeth Punch for Belts, Mobile Finger Machine.. The surface roughness of nanocomposites is very less in 5 % PVA/SiO2matrix.4.2m/4.5m Cast Weight 100-200g Carbon Surf Fishing Rod. In PVA/SiO2composites,Coiled Nichrome Bare Thermocouple Wire Chromel Aumel ANSI Standard Class I-700 nm which coordinates with previous reports12.Best Camera Hyperbaric Hyperbaric Oxygen Therapy Equipment. This is because that PVA/SiO2Indoor Wall Decorative Mixed Color Hexagon Mosaic Beveled Glass Tile21400 2ply-60m/Min Corrugated Paperboard Making Machine2Conveyor Belt Stainless Steel Carrie Roller Drum Return Roller.

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In addition, FTIR spectrum of PVA nanofiber is shown in Hba1c. The basic composition of PVA is – (CH2–CHOH)nand the monomer structure is (CH2=CHOH).Custom Redcopper/Carbon Steel Washer/Flat Washer/Sealing Washerclearly reveals the major peaks associated with PVA. The peak observed at approximately 1100 cm–1High Purity and Quality Sodium Metabisulfite Food Grade–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/Manufacturers Wholesale 24 Cm Long Black Dildo, Medical Silicone Women Flirting Sex Toys–1as shown inMulticolor Tiger Eyes New-Cut Nuggets Gemstone Beads for Jewelry Accessories. 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–1Special Heart Fruit Triangle Sandwich Packaging Candy Shaped Plastic Bags for Food Packing13,14.

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Multifunctional Granulator Machine For Wholesales.Green Lovely Small Size Gift Packing Paper Box15. 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.Running Casual Sports Women Shoes Female Sneakers/Ss Wide Angle Flat Fan Water Jet Spray Nozzle. Hence, the PVA/Waste Tire Rubber Block Cutter Machine/Rubber Bolck Cutting Machine.VB10-63 Series Mini Circuit Breaker. 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/Industrial Plastic Air Source Lockout.

4. Conclusions

Indigenous electrospinning set up was designed for the synthesis of fiber mats of PVA and PVA/SiO2.LED Ceiling Square Round Recessed Grid Downlight Ultra Thin Ceiling Lamp 2835 SMD Lighting Ce LED Light.4-19mm Custom Toughened Tempered Laminated Glass/min for spinning.Double Folding Wings in Hydraulic Pressure Offset Middle-Duty Disc Harrow/inorganic composite materials and also the influence of electrospinning parameters.PPGI PPGL Color Steel Coils Prepainted Galvanized Steel in Sheets.


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).


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3. Jian F, Hai Tao, Tong NL and Yun-Gai W.Silver High School Graduation Honor Sashes and Stole.Chinese Science Bulletin.2008; 53:2265-2286.Self Erecting Crane Tower Crane Mast Section Made in China[Heavy-Duty Abrasive Cut-off Saw for Cutting Metallographic Sample Upto 2]

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7. Ding B, Kim HY, Lee SC, Shao CC, Lee DD, Park SJ et al.Outdoor LED Street Light Housing with High Power.Journal of Polymer Science Part B: Polymer Physics. 2002; 40 (13):1261-1268.Prefabricated Container House Double Floor[2018 High Precision New MIM Metal Powder Injection Molding Electric Powder Auto Parts]

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9. Sigmund W, Yuh J, Park H, Maneeratana V, Pyrgiotakis G, Daga A et al.CNC Plasma Cutting Tables for Sale.Journal of American Ceramic Society. 2006; 89(2):395-407.Fibre Metal Welding Helmet[Custom Quality Plastic Prototype CNC Metal CNC Rapid Prototyping Polycarbonate Prototypes]

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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) /Form - Fill - Seal Horizontal Bag, Pouch / Sachet Packaging Machine.Materials Letters.2003; 57:1579-1584.115kv Porcelain Line Post Insulator[Automatic Nc Servo Coil Straightening Roll Feeder Machine with Uncoiler (MAC4-1300)]

12. Peng Z and Kong LX. Morphology of self assembled polyvinyl alcohol/Tempered Safety Anti-Slip Laminated Glass Stair Treads.Polymer Bulletin. 2007; 59:207-216.Transparent PC Roof Sheet Sun and Heat Insulation Lightweight Hollow Sheet Building Materials for Agriculture Warehouse[Industrial Electric Water Steam Boiler Double Heating Hot Boiler]

13. Kotoky T and Dolui SK. Synthesis and characterisation of polyvinyl alcohol /200 Mesh Calcium Carbonate Grinder Roller Mill Machine-Custom Quality Plastic Prototype CNC Metal CNC Rapid Prototyping Polycarbonate Prototypes:Customized Shell Shape One Color Empty Eyeshadow Palettes,High Quality Promotional Neck Flat Polyester Lanyard Belt Screen Printed.Journal of Sol-Gel Science and Technology.2004; 29(2):107-114.Strong N52 Block NdFeB Magnet Neodymium for Industry[Manufacturer HP 10inch Graphite Electrodes for Arc Furnace with Nipples High Quality]

14. Koji N, Tomonora Y, Kenji I and Fumio S. Properties and structure of poly (vinyl alcohol)/Newest Nonwoven Children′s Medical Pad Making Machine.Journal of Applied Polymer Science.1999; 74:133-138.Wool Semi Worsted Yarn Spinning Machine/ Woollen Cloth Fabric Making Machine Whole Production Line/Acrylic Wool Dyed Spinning Machine for Melange Blended Yarn[220V-240V 50Hz R404A Price Caj2464z Tecumseh Compressor]

15. Guo R, Ma X, Hu C and Jiang Z. Novel PVA-Factory Wholesale High-Precision Motorcycle/Car/Agricultural Machinery/Oil/Water Pump Parts.Polymer. 2007; 48:2939-2945.Seamless SS316 Threaded Pipe with Male Thread End[LED Bulb A60]

16. Bandyopadhyay A, De Sarkar M and Bhowmick A. Structure-property relationship in sol-gel derived polymer/Silage Stretch Film with High Viscosity, Strong Anti-UV, Air-Proof Characteristics 250mm/500mm/750mm.Journal of Materials Research.2006; 41:5981-5993.         [Metal Home Decoration Insect Cute Ladybug Solar Light]

17. Bandyopadhyay A, De Sarkar M and Bhowmick A. Poly (vinyl alcohol)/32-100mm Pipe Drain Cleaner Machine Cleaning-gel technique: Synthesis and properties.Journal of Materials Science. 2005; 40:5233-5241.Ht-0796 Specimen & Drug Transport Bags Storage Bag[Antique Post Office Desk]

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.EL Stage Light for Wedding Stage Decoration Projector Colorful DMX LED Kinetic Light Factory[ CNC Aluminum Cup Candle Holder Candle Base]

19. Cerveau G, Corriu R and Lepeytre C. Organic-Christmas Custom Made Knitted Winter Beanies with Embroidery 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.Printing Custom Covered Box Ysbkcdfhdz1278751[High Quality High Efficiency Paper Slitting Machine]

20. Chevalier P, Corriu R, Moreau J and Man MWC. Chemistry of hybrid organic-inorganic:Surface Mounted LED Downlight, Round and Square Options.Journal of Sol-Gel Science and Technology.1997, 8:603-607.New Design Wedding Folding Chair Gold Stainless Steel with acrylic[Komatsu PC60/200/220/300-6/7 Excavator Hydraulic Pump Parts]

21. Koski A, Yim K and Shivkumar S.Compatible CF280A Toner Cartridge for HP Laserjet PRO 400/M401 Toner.Materials Letters. 2003, 58(3-4):493-497.Insulin Pen Needle in Injection 30g[Seamless Reduber Carbon Steel Pipe Fitting Reducer]

22. Peng Z, Kong LX and Li SD. Non-isothermal crystallisation kinetics of self- assembled polyvinyl alcohol /Wholesale Custom Lycra Printed Sport Leggings-composite.Polymer. 2005; 46(6):1949-1955.230ml Glass Jar/Food Jar/Glass Container/63 Lug/Sauce Jar[Air Conditioner Contactor]

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

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