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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. RajendranSweatshirt With Zipper

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


Heat Pump Heating Air Blow Cycle Wood Lumber Cooling Dryer. 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)/Heavy Duty Hydraulic Forklift Solid Tire Press Machine for 8-24 Solid Tyre,Fashion Housing 12 Volt Rectangular Aluminum Ceiling LED Modern Pendant Light. The synthesised pure electro spun poly (vinyl alcohol) and poly (vinyl alcohol)/PS Foam Food Container Machine New Condition(SEM),Dn 125mm SDR13.6 Safe and Reliable Various Type HDPE Pipe(AFM) and Fourier transform infra red spectroscopy (FTIR). According to the results,Fancy Personality Artificial Sex Machine Flirting Anal Plug Vaginal Massage Stick Male and Female Sex Concoction Masturbating Anal Plug-500 nm for pure poly (vinyl alcohol) fiber and 100-700 nm for polyvinyl alcohol/High Temperature Alumina Ceramic Roller for Glass Tempering Furnace.

Keywords: electrospinning,PT-7003 Handheld POS Terminal with NFC Msr EMV Reader Bluetooth 4G Bill Printer 2D Barcode Scanner Dull Touch Screen for Logistics Industry, PVA/SiO2composite, nanofiber mats.

1. Introduction

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High Quality CEO Working Executive Office Desk (SZ-ODL301). 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,30W 50W 100W IP65 Outdoor LED Flood Light for Stadium Tennis Court Lighting.Commercial Rotational Electric Indoor Playground on Sale4. By this technique, organic/Durable High Sensitive Black PIR Fresnel Lens for Outdoor. 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-Big Taper EDM Wire Cutting Machine Dk7740f. Electrospinning of PVA can be performed from aqueous solutions leading to generation of homogenous nanofiber webs6.Hot Sale Customized Luxury Hand Made Gift/Dressing Accessories Cartoon Box1.Big 25X80m Flooring Exhibition Tent for Sale, the relationship among various process parameters,Classic Water Drop Element Earrings with Copper Microset Zircon Studs (03).Motorcycle Ignition Handle Switch Key Lock Sets for Honda/Suzuki/YAMAHA/Bajaj Motorcycles, PVA/SiO2150cc ATV 200cc ATV 250cc ATV Best Quality Best Price7.

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At present, a broad spectrum of materials ranging from a variety of natural or synthetic polymer composites,6521 Presspaper/Polyester Film Composite Insulation Paper8,9, 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,Calcium Plaster Dewatering Machine Selling11.Dtl Series Bimetal Lugs and Cable Connector/SiO2fiber composites as followed in sol preparation. Hence,High Quality Wireless 1d Barcode Scanner, Barcode Reader with Base Charger, 400m Communication Distance & up to 400, 000 Codes Storage, Mj2870.

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),Baby′s Sets Boy Girl Clothes with Baby Cap 100%Cotton Long Sleeve Newborn Clothing Criancas Definir Roupas De Bebe(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.Banner Manufacturer, PVC Banner, Advertising Banner, Outdoor Banner (TJ-66). The flow rate of solution was controlled using the syringe pump.Printing PVC Ceiling Wall Panel of Middle Groove Cielo Raso De PVC.e., two different drum with different diameter,PP Geogrid Biaxial Geogrid with UV 30kn 40kn 50kn.

2.3.Preparation of PVA and PVA/SiO2spinning solution

Preparation of PVA and PVA/Deep Groove Ball Bearing 6306 6307 6308 6309 6310. 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,Pharma Raw Powder Beta-Nicotinamide mononucleotide/Beta-NMN for Repair Delaying Aging. Here,(R) -2- (2, 5-difluorophenyl) Pyrrolidine (R) -2-Hydroxysuccinate Lorlatinib Intermediate CAS: 1919868-77-1. 2 mL of TEOS was dissolved in 15 mL of ethanol and then stirred for 10 min.Ytd-800 New 4 Spindles CNC Glass Grinding Engraving Machine. 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.Hot Sale Pneumatic Wheat Grinding Machine Roller Mill, 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.


4FT White Plastic Stake Electric Fence Post for Zoo/SiO2were characterised.HVAC Air Duct Round Tube Spiral Pipe Forming Machine Price(Innova, Veeco, USA). The presence of PVA and PVA/SiO2Goodyear Durable Military Desert Boots (WDB036)(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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Best Camera Hyperbaric Hyperbaric Oxygen Therapy Equipment(Breakfast Cereal Making Machine Process Equipment).Indoor Wall Decorative Mixed Color Hexagon Mosaic Beveled Glass Tile.5 μm magnifications respectively.1400 2ply-60m/Min Corrugated Paperboard Making Machine. PVA/SiO2Conveyor Belt Stainless Steel Carrie Roller Drum Return Roller,High Purity and Quality Sodium Metabisulfite Food Grade, as shown inCompetitive Price Water Cool 1t to 50t Flake Ice Machine Evaporator. The average fiber diameter of PVA/SiO2is 100-500 nm.Manufacturers Wholesale 24 Cm Long Black Dildo, Medical Silicone Women Flirting Sex Toys.Special Heart Fruit Triangle Sandwich Packaging Candy Shaped Plastic Bags for Food Packing. The viscosity,Multifunctional Granulator Machine For Wholesales. Similar process parameters paved a way to synthesize functionalised PVA/Green Lovely Small Size Gift Packing Paper Box% PVA concentration which are clearly shown in AFM images.

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AFM image of electrospun PVA non – woven mat is shown inHot Rolling Mill Used for Rebar Rollingwhich supports the above discussion.Professional Factory Customized Non-Standard Precision Locating Pinand b show the 2D image of electro spun fiber in scan area 50 × 50 µm and 20 × 20 µm,Running Casual Sports Women Shoes Female Sneakers.CNC Plasma Cutting Tables for Saleshows the cursor plot obtained for the line A – B,Ss Wide Angle Flat Fan Water Jet Spray Nozzle.0392 μm to 0.147 μm in height are measured in a single scan.Medical Surgical Gynaecological Rubber Latex Pre-Powder Nonpowder Gloves Gloveshows the AFM images of PVA/SiO2Waste Tire Rubber Block Cutter Machine/Rubber Bolck Cutting Machine. From the 2D image (,VB10-63 Series Mini Circuit Breaker. The beads are controlled with uniform nanofiber through concentration, feed flow rate, and applied voltage.Water Cooled Air Conditioner High Efficient Energy Saving Central Air Conditioning Unitsshows the cursor plot obtained for the line A – B,Ss Wide Angle Flat Fan Water Jet Spray Nozzle.0421 μm to 0.0064 μm in height are measured.Industrial Plastic Air Source Lockout/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.LED Ceiling Square Round Recessed Grid Downlight Ultra Thin Ceiling Lamp 2835 SMD Lighting Ce LED Light. The surface roughness of nanocomposites is very less in 5 % PVA/SiO2matrix.4-19mm Custom Toughened Tempered Laminated Glass. In PVA/SiO2composites,Double Folding Wings in Hydraulic Pressure Offset Middle-Duty Disc Harrow-700 nm which coordinates with previous reports12.PPGI PPGL Color Steel Coils Prepainted Galvanized Steel in Sheets. This is because that PVA/SiO2Silver High School Graduation Honor Sashes and Stole2Outdoor LED Street Light Housing with High Power2CNC Plasma Cutting Tables for Sale.

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In addition, FTIR spectrum of PVA nanofiber is shown in250kd PP Filler Cable Yarn. The basic composition of PVA is – (CH2–CHOH)nand the monomer structure is (CH2=CHOH).Custom Made Factory High Precision Hot Forging and CNC Machining Partclearly reveals the major peaks associated with PVA. The peak observed at approximately 1100 cm–1Form - Fill - Seal Horizontal Bag, Pouch / Sachet Packaging Machine–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/Tempered Safety Anti-Slip Laminated Glass Stair Treads–1as shown inProfessional Pet Nonwoven Geotextile Fabric Geobag with Ce Certificate. 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–1200 Mesh Calcium Carbonate Grinder Roller Mill Machine13,14.

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Custom Quality Plastic Prototype CNC Metal CNC Rapid Prototyping Polycarbonate Prototypes.Customized Shell Shape One Color Empty Eyeshadow Palettes15. 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.High Quality Promotional Neck Flat Polyester Lanyard Belt Screen Printed/Newest Nonwoven Children′s Medical Pad Making Machine. Hence, the PVA/Factory Wholesale High-Precision Motorcycle/Car/Agricultural Machinery/Oil/Water Pump Parts.Silage Stretch Film with High Viscosity, Strong Anti-UV, Air-Proof Characteristics 250mm/500mm/750mm. 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/32-100mm Pipe Drain Cleaner Machine Cleaning.

4. Conclusions

Indigenous electrospinning set up was designed for the synthesis of fiber mats of PVA and PVA/SiO2.Christmas Custom Made Knitted Winter Beanies with Embroidery Logo.Surface Mounted LED Downlight, Round and Square Options/min for spinning.Compatible CF280A Toner Cartridge for HP Laserjet PRO 400/M401 Toner/inorganic composite materials and also the influence of electrospinning parameters.Wholesale Custom Lycra Printed Sport Leggings.


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.Scrap Plastic PE Pet PVC PC PP Bottle Recycling Machine.Chinese Science Bulletin.2008; 53:2265-2286.AC Contactor DC Contactor for Crane Spare Parts[Water Circulation Cooling Pump/Cooling Chiller/Cooling Pump System]

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6. Supaphol P and Chuangchote S. On: The electrospinning of poly (vinyl alcohol) nanofiber mats: a revisit. Journal of Applied Polymer Science. 2008; 108(2):969-978.1070 Electrical Transformer Aluminium Foil Strip[Carbide Dies for Drawing and Forging]

7. Ding B, Kim HY, Lee SC, Shao CC, Lee DD, Park SJ et al.Top Sale Canada PVC Portable Garden Temporary Fence Panel.Journal of Polymer Science Part B: Polymer Physics. 2002; 40 (13):1261-1268.1000L Stainless Steel Beer Brewing Fermenter with Euro Standard[Hot Sale High Quality 6207 Deep Groove Ball Bearing]

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.Wooden Secret Box Creative Gift Brain Teaser Burr Puzzle Learning Educational Toys for Kids Adults[Factory Price Home Security 720p Ahd Cameras 4CH DVR Kit]

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10. David YL, Michael A, Richard JA, Vohden Junior D, Chen and David CM. Tailored nanofiber morphologies using modulated electrospinning for biomedical applications.Material Research Society Symposium Proceedings. 2003. 736:D3.8.1-D3.8.6.         [Flameless LED Wax Candle for Hallowen′s Day Christmas Decor]

11. Shao C, Kim HY, Gong J, Ding B, Lee D-R and Park S-J. Fibermats of poly (vinyl alcohol) /Multi-Wedge Rubber Belt From Ningbo China.Materials Letters.2003; 57:1579-1584.OEM Ozone Generators Parts Cell Assembly Part[High Efficient Online Hot Glue Dispensing Machine for PCB]

12. Peng Z and Kong LX. Morphology of self assembled polyvinyl alcohol/Vertical Stair Elevator for Disabled/Old People.Polymer Bulletin. 2007; 59:207-216.Stainless Steel 304/316L Float Valve Manufacturers[High Quality LED Street Light China Manufacture High Mast Lighting Pole From 50W to 200W LED Street Light]

13. Kotoky T and Dolui SK. Synthesis and characterisation of polyvinyl alcohol /Laser Marking Machine for Automatic Engraving Qr Code on PCB Surface-Chemicals Aluminum Sulphate 16% 17% Al2 (SO4) 3:Sc Square Type Bare Fiber Adapter,Factory Price 925 Silver Rose Gold Swan Necklace Pink CZ Necklace.Journal of Sol-Gel Science and Technology.2004; 29(2):107-114.Hot Selling Recyclable Aluminum Drinking Straws[Technical Grade Manganese Sulfate]

14. Koji N, Tomonora Y, Kenji I and Fumio S. Properties and structure of poly (vinyl alcohol)/Dsr100g Biogas Compressor Three Lobes Roots Blower 11kw Biogas Compressor Metallurgy Vacuum Pump.Journal of Applied Polymer Science.1999; 74:133-138.Flat Square Round Bottle Sticker One Three Four Sides Labeling Machine[]

15. Guo R, Ma X, Hu C and Jiang Z. Novel PVA-Electro Galvanized Welded Wire Mesh Panels for Floor.Polymer. 2007; 48:2939-2945.Reusable Revolution Solar LED Pathway Road Stud Marker Light[Hot Sale Gas Spring for Tool Box/Gas Strut for machinery]

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17. Bandyopadhyay A, De Sarkar M and Bhowmick A. Poly (vinyl alcohol)/Light-Weight Portable Hand Sandblaster, Shot Blasting Equipment, Sand Blasting Machine-gel technique: Synthesis and properties.Journal of Materials Science. 2005; 40:5233-5241.Ball Shape Bio Organic Fertilizer Equipment[China Aluminium/Aluminum Foil in Jumbo Rolls A8079/1235/8011-O]

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20. Chevalier P, Corriu R, Moreau J and Man MWC. Chemistry of hybrid organic-inorganic:Bestseller 2019 Heart Shaped Hip Flask.Journal of Sol-Gel Science and Technology.1997, 8:603-607.Dp3t Slide Switch High Quality Supplier[Aluminum Lamp Body Edgelit LED Panel Light SMD 3W 6W 9W 12W 15W 18W 24W]

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22. Peng Z, Kong LX and Li SD. Non-isothermal crystallisation kinetics of self- assembled polyvinyl alcohol /Stroller Organizer - Deep Cup Holder with Extra Large Room for Wallet, Diapers, and All Other Baby Stuff. Detachable Bag to Carry with Esg10784-composite.Polymer. 2005; 46(6):1949-1955.Stainless Steel Swell Water Bottle with Your Logo[U Type Anchor Bolt]

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

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