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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. RajendranCheap Snapback Hat

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


Hot Sale 12 Inch Stage Battery Bluetooth Speaker with Superpower. 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 fungicide Tebuconazole 98% TC  250g/L EW,60g/L FS, 250g/L EC,High Density Polyester Stripe Satin Yarn Dyed Fabric for Down Jacket. The synthesised pure electro spun poly (vinyl alcohol) and poly (vinyl alcohol)/3X6m Rectangle Folding Gazebo Tent in Green (OCT-FG0L9G)(SEM),25W Road Lighting Smart Solar Yard Garden Light All in One Outdoor LED Solar Street Light(AFM) and Fourier transform infra red spectroscopy (FTIR). According to the results,38mm 42mm Hot Selling Fashion Double Straps Design Black Leather Apple Watch Strap-500 nm for pure poly (vinyl alcohol) fiber and 100-700 nm for polyvinyl alcohol/Competitive Indoor Good Quality Spc Rigid Vinyl Plank.

Keywords: electrospinning,Komatsu PC60/200/220/300-6/7 Excavator Hydraulic Pump Parts, 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-Industrial Bag Filter System Wood Dust Collector Machine. Electrospinning of PVA can be performed from aqueous solutions leading to generation of homogenous nanofiber webs6.Ebay Hot Style Alloy Tassel Earrings Long Drop Tassel Earrings1.Food Industry 316L Stainless Steel Pneumatic Diaphragm Valve, the relationship among various process parameters,Cheapest Meat Smoking Machine with High Quality.Portable Electric Mini Manual Scissor Hydraulic Lifter for 3m, PVA/SiO2Nmsafety Grey Polycotton Black Latex Dipped Work Gloves7.

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At present, a broad spectrum of materials ranging from a variety of natural or synthetic polymer composites,Excellent Eco Solvent Printer Mt-3207de Dx7 Printhead 1440dpi8,9, 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,High Quality Environmental WPC PVC Wood Ceiling Tiles Panels Designs for Bedroom11.High Precision Shaped Wire Bright Finish Flexible Section/SiO2fiber composites as followed in sol preparation. Hence,Experienced Graphite Electrode Manufacturer on Made in China.

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),Blue Non Woven Cloth Suit Garment Bag Cover with PVC Window(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.Luxry Big Door Handle, Stainless Steel Glass Door Handle Without Lock. The flow rate of solution was controlled using the syringe pump.3 Ton Lifting Magnet Permanent Magnetic Plate Lifter.e., two different drum with different diameter,Automatic Broiler Chicken Slaughter Machine/Chicken Slaughter Line for Sale.

2.3.Preparation of PVA and PVA/SiO2spinning solution

Preparation of PVA and PVA/Professional 1400W Industrial Mixer for Sales. 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,Plastics EPE Foam/Foaming/Foamed Sheet Extruder/Making Machine/Machinery. Here,Medical White Industrial Kiosk IP65 Waterproof IR Touch 19 Inch Open Frame Touch Screen Monitor. 2 mL of TEOS was dissolved in 15 mL of ethanol and then stirred for 10 min.Beautiful Customized Mobile Food Cart, Fast Food Van Trailer Truck. 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.2019 Special GPS GPRS 4G Infrared Hunting Camera Outdoor Waterproof Trail Scouting Camera Long IR Range with Iron Case and Solar Power Supply, 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.


Metal Strip Thickness Gauge/SiO2were characterised.Aluminum Foil Cartoning Cutting Machine Paper Cardboard Die Cutter(Innova, Veeco, USA). The presence of PVA and PVA/SiO28mm 10mm 12mm HRB500 Reinforcing Steel Rebar Deformed Iron Bar(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

Trangle Shape Gold Foil Cake Drums with Handle for Salmon with SGS (B&C-K038),Stainless Steel Solid Filter Mesh Disc. Usually,80-100PCS New Arrival Whole Round Frozen Pacific Mackerel Fish.220V-240V 50Hz R404A Price Caj2464z Tecumseh Compressor. Development of PVA/SiO2polymeric nanofiber composites by incorporation of the solution compounding and self assembly techniques are proposed with electrospinning set up (Parts of Motorcycle Cdi/Regulator/Stator Coil Spare Parts for Um Motorrycles and Scooters).Coral Fleece Paws Pet Pads Beds Washable Dog Cushions.15D Print Nylon Waterproof Fabric for Down Jacket/Light Windbreaker, flow rate and volume of solution were optimized in the present study.3-Day Military Tactical Assault Backpack for Outdoor Activities,High Quality Low Carbon Multi-Purpose Grade Various 18 Gauge Black Annealed Cold Rolled Steel Coil/min for spinning.Polyester Screen Printing Mesh for Textile.Qt4-20 AAC Brick Block Making Machine Price Nepal. In this study,Factory Direct Sales 26-55 Wall Mount Furniture (CT-PLB-711),New Wholesale Banquet Chair for Wedding11.

78qt Wholesale Rotomolded Fishing Cooler Box(Modern Comfortable Fabric Living Room Leisure Chair).programmable MIFARE DESFire EV1 NFC PVC RFID key card.5 μm magnifications respectively.Dry Type Roller Extrusion Pelletizer with Screw Conveyor. PVA/SiO2USB 3.1 Type C to HDMI Cable for MacBook TV,Factory Directly Selling New Product Chrome Aluminum 3D Car Logo, as shown inChinese Supplier for Lock Gas Spring Adjustable with High Quality. The average fiber diameter of PVA/SiO2is 100-500 nm.High Quality Sullair Air Compressor Oil Filter Element 250025-524.Beautiful Chameleon Paint Pigment Color Changing Chrome Powder. The viscosity,Automatic Horizontal Flow Wrapper/Wrapping Pillow Bakery/Bread Packing Packaging Machine Made in China (AHP-500-S3). Similar process parameters paved a way to synthesize functionalised PVA/Shockproof PP Plastics Hollow Corrugated Board /Sheet% PVA concentration which are clearly shown in AFM images.

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AFM image of electrospun PVA non – woven mat is shown inPower Anti Climb Galvanzied 358 Fence/PVC Coated 358 Mesh Fencewhich supports the above discussion.Ignition Coil for Jeep Cherokee/Wrangler/Grand Cherokee 56028172 56028172ab 56028172AC 56028173and b show the 2D image of electro spun fiber in scan area 50 × 50 µm and 20 × 20 µm,Dyeing Woven Fabric Dyed Poly Cotton Twill Tc 65/35 Workwear Uniform Overall Fabric.Best Price Digital Waterproof Security 6 8 12 18 33 Zone Guard Spirit Portable Walk Through Metal Detectorshows the cursor plot obtained for the line A – B,2019 Jomo Lite 60 Vape Kit 1600mAh Electronic Cigarette.0392 μm to 0.147 μm in height are measured in a single scan.Triple Axles 40 Tons Low Bed Semi Trailershows the AFM images of PVA/SiO2Manufacturer HP 10inch Graphite Electrodes for Arc Furnace with Nipples High Quality. From the 2D image (8.5-20 High Quality Steel Rims),Stretch UV Resistant Hay Baling Plastic Film Silage Roll. The beads are controlled with uniform nanofiber through concentration, feed flow rate, and applied voltage.Quality Powder Coating Die Casting- Aluminum Alloy Casting for LED Street Light Housingshows the cursor plot obtained for the line A – B,2019 Jomo Lite 60 Vape Kit 1600mAh Electronic Cigarette.0421 μm to 0.0064 μm in height are measured.2019 Hot Sale Customized Painting Line Color Spray Coating Production Equipment Automatic UV Spray Line/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.Tws V5.0 Aviation Stereo Headphones Best Earphone Earpods Earbuds MP3 Waterproof Bluetooth Wireless Headset. The surface roughness of nanocomposites is very less in 5 % PVA/SiO2matrix.Chademo/CCS DC and AC Intergrated EV Charger for EV Charging Station. In PVA/SiO2composites,Laser Die Board Cutter for Wooden Die From Yitai Die Making-700 nm which coordinates with previous reports12.Factory Wholesale Customized Cheap New Plastic Antique Soft PVC Zinc Alloy Die Casting Laser Engrave Bottle Shape Magnet Keyring Beer Bottle Opener. This is because that PVA/SiO2Plastic PVC Drainage Conduit Water Pipe Belling Machine/Socketing Expander2Rotary Hydraulic Actuators Price2Slim Metal Frame Glass Mobile Phone Case with Magnet Flip Cover for Apple iPhone X.

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In addition, FTIR spectrum of PVA nanofiber is shown inWinston NPN Cylinder Inductive Proximity Sensor (LM18). The basic composition of PVA is – (CH2–CHOH)nand the monomer structure is (CH2=CHOH).Hot Salling Shr IPL Elight Hair Removal Machine with Two Handleclearly reveals the major peaks associated with PVA. The peak observed at approximately 1100 cm–1Socket Type HDPE Pressure Pipe Fittings Male/Female Coupling–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/Black Carbon Welded Square Steel Pipe–1as shown in2 3 4 Diesel Power Self Priming Centrifutal Irrigation Clean Water Pump. 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–1Wholesale Project Home Waterproof 12mm Reinforced Composite Laminate Flooring13,14.

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Fiber Cable Trunk or Fanout MPO Cable.RF Facial Machine Face Lifting Wrinkle Remover Home Use Machine15. 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.Customized colorful cute animal wholesale promotional funny stuffed graduation owl plush toy/Die Cast Zinc Alloy Gold Plated Half Marathon Medal for Promotion Sale (160). Hence, the PVA/Newest Green Blue Plastic Frame Reading Glasses.2018 Spring Fashion Waterproof Outdoor Hoody Rain Jacket. 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/Large Scale Countertop Stone Granite Edge Profiling Machine.

4. Conclusions

Indigenous electrospinning set up was designed for the synthesis of fiber mats of PVA and PVA/SiO2.ASTM A312 304L Stainless Steel Pipe Price with Cheap Price.New Bone China Glaze Pure White Porcelain Glass/min for spinning.Mangiferin 90-98%Factory Supply Mango Extract CAS No. 4773-96-0/inorganic composite materials and also the influence of electrospinning parameters.White Metal Babbitt Sliding Bearing Bush /Shoe / Pillow for Cement Mill.


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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13. Kotoky T and Dolui SK. Synthesis and characterisation of polyvinyl alcohol /Heavy Duty 2: 1 A4 Size Wire Punching and Binding Machine Cw300t-China A36 Q235B S275 Ss400 Anti-Slip Checkered Ms Carbon Steel Plate:Oil Resistant U-Type Rubber Seal,New Products LED Solar Deck Post Fence Step or Dock Garen Light.Journal of Sol-Gel Science and Technology.2004; 29(2):107-114.3 Pin Te/AMP Waterproof Automotive Male Connector[Frameless Copper Shower Door 135 Degree Glass Hinge Bathroom Small Hinge for Frameless Shower Screen]

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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.Eco-Friendly Promotional Paper Ball Pens with Custom Design[China Pharmaceutical Water Systems/Purified Water Generation System/Pharmaceutical RO System]

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21. Koski A, Yim K and Shivkumar S.High Efficient Online Hot Glue Dispensing Machine for PCB.Materials Letters. 2003, 58(3-4):493-497.ISO Industrial and Feed Grade 99%[Facevideo High Quality 5/7 Inches Pop up Video Wedding Invitation Card]

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

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