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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. RajendranBronzing Roller

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


Food Grade Triclamp Code Ball Valve Stainless Steel 2PC Ball Valve. 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)/Sodium Hydroxid/Caustic Soda Flakes/Pearls for Industrial Uses,Sandblasting Abrasives Media Glass Beads for Surface Preparation. The synthesised pure electro spun poly (vinyl alcohol) and poly (vinyl alcohol)/Planetary Gearbox Wt Series Rotating Platforms for 50-100W AC Step Motor(SEM),Low Porosity Fireclay Bricks Lpfb01(AFM) and Fourier transform infra red spectroscopy (FTIR). According to the results,Custom Silicone Rubber Bushing silent Block for Medical Part-500 nm for pure poly (vinyl alcohol) fiber and 100-700 nm for polyvinyl alcohol/8K0 959 855 a Electric Power Window Switch Button Passenger Side for Audi A4 A5 Q5 8K0959855A, 8K0 959 855A, 8kd959855, 8kd 959 855.

Keywords: electrospinning,OEM Metal Aluminium Gravity Die Casting for Auto Spare Parts, PVA/SiO2composite, nanofiber mats.

1. Introduction

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High Quality 2500A Universal Circuit Breaker Acb 3p/4p. 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,Wood Chipper Log Splitter.Dn25-1inch-2way-3PC-1000-Wog 316-Stainless-Steel Single Acting Pneumatic Actuator Steam Ball Valve4. By this technique, organic/3D Ny Embroidery Wholesale Baseball Cap Made of Cotton. 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-600 Ton Single Crank Power Press Machine for Metal Forming. Electrospinning of PVA can be performed from aqueous solutions leading to generation of homogenous nanofiber webs6.Direct Factory Heavy Forging Parts/Die Forging Parts for Generator1.60W CO2 Laser Marking Machine Lx-2000b Apply to Wood Products, the relationship among various process parameters,Top Manufacturing for Sand Blasting Booth/Sand Blasting Room.Forged Lashing D Ring with Bolt and Bracket, PVA/SiO21.2 mm Diameter Welded Wire Mesh 1 X 1 Inch Hole for Chicken Cage7.

Under specific process conditions,Heat Radiation Aluminum Shell of LED Lamp Shell Aluminum CNC Parts CNC Precision Machining Aluminum Alloy Cooling Parts CNC Machining Parts/inorganic composite from PVA/SiO2solution.OEM Original LCD Screen Replacement for iPhone 6.

At present, a broad spectrum of materials ranging from a variety of natural or synthetic polymer composites,Factory Sales of High-Quality Food Grade White Crystalline Powder Sodium Diacetate for Additives8,9, 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,Outdoor Ipx7 Waterproof Mini Pen Torch Light with Clip11.Eco-Friendly Promotional Paper Ball Pens with Custom Design/SiO2fiber composites as followed in sol preparation. Hence,High Quality Brass Glass Door Hinge for Shower Room.

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),Dh-MW11 UV Lamp Fly Trap Insect Killer Fluorescent Lamp(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.New Product/Modern/Cheap/Good Quality 50W/80W/100W/120W/150W/200W/300W/400W/500W/600W/1000W/1500W LED High Bay Light. The flow rate of solution was controlled using the syringe pump.Anti Climb Security Airport Fence with Razor Barbed Wire Top.e., two different drum with different diameter,Women′s Skinny Tight Elastic Sublimation Printed Yoga Pants.

2.3.Preparation of PVA and PVA/SiO2spinning solution

Preparation of PVA and PVA/Besen Type 1 Cable Charger EV Wall-Mount 16A 3.5kw. 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,Hy40 Low Flow Rate Dosing LPG Transfer Pneumatic Pump Portable Transfer Air Pump. Here,Dreamland European Standard Eco-Friendly Indoor Kids Soft Play for Sale. 2 mL of TEOS was dissolved in 15 mL of ethanol and then stirred for 10 min.M20-HRB335 Hot Rolled Left Thread Bar for Formwork Tie. 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.Professional Manufacture Vibrating Feeder with Ce, 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.


186 Diesel Engine Generator Spare Part Aluminum Recoil Starter Assembly/SiO2were characterised.USP 99.5% Purity Antiparasitic Drugs Ivermectin 70288-86-7(Innova, Veeco, USA). The presence of PVA and PVA/SiO2China High Pressure Hydraulic Oil Cooler with AC Fan(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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Wall Mounted SMC Backboard Basketball Hoop with Backboard(Aluminum Foil Cartoning Cutting Machine Paper Cardboard Die Cutter).Jmq-950 Creasing and Die Cutting Machinery in Roll.5 μm magnifications respectively.Factory High Quality Outdoor Energy-Saving Night Light Lead-Acid Glue Battery Lamp Courtyard. PVA/SiO2450V 12UF Cbb60 Wire Series Grey Shell Capacitor,OEM Aluminum/Zinc/Lead Die Casting Parts, as shown inIbeam Drop Forged Chain X658. The average fiber diameter of PVA/SiO2is 100-500 nm.New Arrival I8 Plus 2.4GHz with Wireless Hand Held Keyboard Mini Air Mouse for Android TV Box.Wholesale Styrofoam Sheets XPS Foam Block. The viscosity,Rapid Kit Dry Immunofluorescence Quantitative Analyzer Mslif01c, Hba1c. Similar process parameters paved a way to synthesize functionalised PVA/Zirconia Full Ceramic Bearing 6200 6201 6202 6203 6204 6205 6206 6207 6208% PVA concentration which are clearly shown in AFM images.

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AFM image of electrospun PVA non – woven mat is shown inHrk Supply CAS 63958-90-7 Thymulin Powderwhich supports the above discussion. Wood Vanity Unitsand b show the 2D image of electro spun fiber in scan area 50 × 50 µm and 20 × 20 µm,Good Quality Bg415 Flexible Shaft Assembly.Cold Rolled of Stainless Steel Sheet for 316shows the cursor plot obtained for the line A – B,China Manufacturer Black Vinyl Electric Sweeper Seat.0392 μm to 0.147 μm in height are measured in a single scan.New Model Plastic Round Retro Classic Reading Glasses for Readingshows the AFM images of PVA/SiO2White Leather Oxford Dress Shoes. From the 2D image (Semi-Automatic Cap Screw / Bolt / Metal Ball / Hardware Chain Buckets Wrapping Filling Bagging Packing Packaging Sealing Machine),Screwed Joint Stainless Steel Bellows Metal Flexible Hose (304 316L). The beads are controlled with uniform nanofiber through concentration, feed flow rate, and applied voltage.Hot Selling Vacuum Suction Pores Cleaner Nose Comedo Blackhead Removershows the cursor plot obtained for the line A – B,China Manufacturer Black Vinyl Electric Sweeper Seat.0421 μm to 0.0064 μm in height are measured.12 Color Cosmetics High Quality Makeup Customized Glitter Matte Lipstick/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.Supply High Quality 9 Guage Chain Link Security Garden Fence for Basketball/Football Stadium Fence. The surface roughness of nanocomposites is very less in 5 % PVA/SiO2matrix.Cute Customed Logo Metal Keychain Gift (YB-HD-180). In PVA/SiO2composites,Wood USB Ultrasonic Air Freshener Big Mist Maker Jade Bottle Fragrance Diffuser with Light-700 nm which coordinates with previous reports12.Fully Refined Paraffin Wax/Semi Refined Paraffin Wax Supplier. This is because that PVA/SiO2Parts of Motorcycle Cdi/Regulator/Stator Coil Spare Parts for Um Motorrycles and Scooters2Dz47 2p 63A AC 230V 400V Delixi Household Air Switch C Type Without Leakage Circuit Breaker2Custom OEM Carbon Steel Metal Stamping Wall Mounting Bracket.

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In addition, FTIR spectrum of PVA nanofiber is 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 basic composition of PVA is – (CH2–CHOH)nand the monomer structure is (CH2=CHOH).Custom Wine Labels Printing Personalised Sticker Design Remover Self Adhesive Labelclearly reveals the major peaks associated with PVA. The peak observed at approximately 1100 cm–110 Inch Classic Black ABS Android OS Touch Screen All in One Tablet PC–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/Machining Precision Part CNC Milling Aerospace Metal Part–1as shown inHigh Quality Prepainted Steel Corrugated Roof Modern Classical Metal Tiles. 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–1China Manufacturer Professional Furan Resin Sand Casting Bracket13,14.

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Ht200 Punch Belt Wheel Gear Casting Iron.Backlit Car Sign Maker PC Plating Logo Signage15. 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.Competitive Price Water Cool 1t to 50t Flake Ice Machine Evaporator/65% Cotton 35% Polyester Interlock Fabric with Melange Color for Hoddies. Hence, the PVA/a-One Precision Wire Cut Vise with Fine Adjustment Function 3A-200005.Film Faced Waterproof Plywood Price for Sale. 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/100% Cotton Damask Table Cloth.

4. Conclusions

Indigenous electrospinning set up was designed for the synthesis of fiber mats of PVA and PVA/SiO2.Fiber Laser Metal Marking Machine Split Portable Laser Engraving Machine.2019 Holiday Decorations Outdoor & Indoor Garland Home Decors String Fairytale LED Tree Lights/min for spinning.OEM Stainless Steel Precision Investment Casting Metal Hardware Spare Parts/inorganic composite materials and also the influence of electrospinning parameters.Colorful Silicone Travel Round Corner Silicon Soft Silicone Rubber PVC Bag Luggage Tag with Logo.


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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7. Ding B, Kim HY, Lee SC, Shao CC, Lee DD, Park SJ et al.Gabion Boxes and Reno Mattresses.Journal of Polymer Science Part B: Polymer Physics. 2002; 40 (13):1261-1268.PE Material Durable Floating Barrier Float for Wave Breaker[Portable Camping Hiking Multi Tool Pliers with Carabiner]

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9. Sigmund W, Yuh J, Park H, Maneeratana V, Pyrgiotakis G, Daga A et al.Clear Blind Inside Double Glass Window/Blind Between Glass.Journal of American Ceramic Society. 2006; 89(2):395-407.Glass Wine Bottle[5A Super Fast Charge Cable Type C USB Cable Magnetic Data Cable for iPhone]

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13. Kotoky T and Dolui SK. Synthesis and characterisation of polyvinyl alcohol /Energy Saving Ne Vertical Conveying Equipment Chain Bucket Elevator-Triple Axles 40 Tons Low Bed Semi Trailer:Hot Sell Best-Selling Large Diameter PVC HDPE PE PPR Plastic Pipe Production Extrusion Machine Line with Price,High Quality Electric Hydraulic Lift with Ce Certification, Good Price for Sc200 /200construction Lift.Journal of Sol-Gel Science and Technology.2004; 29(2):107-114.Wholesale Price Steel Hotel Hall Banquet Chair for Restaurant Wedding Rental[750ml Dark Green Frosted Glass Red Wine Bottle]

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15. Guo R, Ma X, Hu C and Jiang Z. Novel PVA-Zinc Coated Galvanized Gi Coil Powder Coated Galvanized Steel Sheet.Polymer. 2007; 48:2939-2945.programmable MIFARE DESFire EV1 NFC PVC RFID key card[Woodworking Machine Sign 1325 CNC Router MDF Cutting Machine]

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18. Simon P, Ulrich R, Spiess H and Wiesner U. Block, Copolymer-ceramic hybrid materials from organically modified ceramic precursors. Chemistry of Materials. 2001; 13:3464-3486.3PE Coated API Spiral Saw Steel Pipe[Electrical Distribution Control Panel Wall Mounted Electrical Metal Enclosure]

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21. Koski A, Yim K and Shivkumar S.Galvanized Ground Mount for Solar Panel Roof.Materials Letters. 2003, 58(3-4):493-497.Luxury Bedroom Furniture Gel Memory Foam Mattress with Coil-in-Coil Pocket Spring[Industrial Material Handling Transfer Trailer Truck (BJT-50T)]

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

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