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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. Rajendranwww.freewaypaper.net

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


High Quality Geotextile Sand Bag Heat Treated Tube and Geobag. 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)/Classic Brown PU Leather Key Holder Only Online Phone Personalized Phone Stand,4G Lte Booster Repeater System. The synthesised pure electro spun poly (vinyl alcohol) and poly (vinyl alcohol)/RGB LED Decorative Lights Cube Design for Bed Room Furniture Bedroom Set(SEM),Multifunctiontravel Lunch Food Storage Fresh Food Cooler with Shoulder Foldable Bag(AFM) and Fourier transform infra red spectroscopy (FTIR). According to the results,Power Value 2kw China Top Generator Manufacturer Type Zongshen Generators-500 nm for pure poly (vinyl alcohol) fiber and 100-700 nm for polyvinyl alcohol/Hot Rolling Mill Used for Rebar Rolling.

Keywords: electrospinning,Newest Fashion Necklaces Jewelry Accessories 18K Gold &Silver 100 Languages I Love You Custom Women Necklace, 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-Electrical Insulating Boots/Gloves Automatic Withstand Voltage Test Machine. Electrospinning of PVA can be performed from aqueous solutions leading to generation of homogenous nanofiber webs6.CO2 Flatbed Laser Engraving Cutting Machine for Advertising Sign Board Glass Bottle Engraver1.Fast Dry Glue Paper Bag Bottom Pasting Machine, the relationship among various process parameters,Impact Crusher Accessories Liner Plate with Good Price.Elevator Rope Tension Weighing Device, PVA/SiO2Compressed Gel Memory Foam Mattress with High Quality Latex7.

Under specific process conditions,A36 Q235 Steel H-Beams Steel/inorganic composite from PVA/SiO2solution.Tin Plated Copper Wire for Welder and Welding Materials.

At present, a broad spectrum of materials ranging from a variety of natural or synthetic polymer composites,Modern Cubicle Office Computer Workstation Furniture8,9, 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,Rolling Pipe Bender Pipe and Tube Bending Machine 1500W (HHW-76B)11.High Pressure Touchless Car Washer/ Automatic Touch Free Car Washing Machine/SiO2fiber composites as followed in sol preparation. Hence,Silicone Rubber Tube with Glass Fiber.

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),Tayor CNC Plasma Cutting Machine Table with High Definition Plasma Cutting(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.Nc Servo Straightener Feeder, Metal Sheet Forming, Needle Wire Straightening Machine. The flow rate of solution was controlled using the syringe pump.3.0L S/S Whistling Kettle Mirror Polishing Home Appliance Induction.e., two different drum with different diameter,Surgical Nylon Suture USP 1#.

2.3.Preparation of PVA and PVA/SiO2spinning solution

Preparation of PVA and PVA/Tree Branch Crusher/Wood Branch Crusher for Sale with Simple Operation. 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,OEM Glass Sport Travel Car Shaker Water Bottle with Tea Infuser. Here,Cable Wire Zip Ties Plastic Cable Ties Self Locking Nylon Cable Tie. 2 mL of TEOS was dissolved in 15 mL of ethanol and then stirred for 10 min.Egg Tray with Lid Egg Cartons 12 Eggs Pulp Egg Tray 12 Holes. 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.Customizing Steel Lined LDPE Filter Tower for Chemical Anion-Exchange (Reactor Absorber Tank inner Lined LDPE 16-20mm Resin Column), 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.


Horizontal Sand Mill for Paint Pin Type/SiO2were characterised.Printing Custom Covered Box Ysbkcdfhdz1278751(Innova, Veeco, USA). The presence of PVA and PVA/SiO2Cheapest Nylon Waterproof School Backpack Bag for 6-12 Years Old Children(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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UL PSE Ce GS SAA Kc 16.8volt 4.5AMP Li-ion 18650 Wall AC Battery Charger Adapter(Waste Tire Rubber Block Cutter Machine/Rubber Bolck Cutting Machine).Ceramic PTC Fan Heater 2000W.5 μm magnifications respectively.Kubota Rice and Wheat Combine Harvester with Harvest Width PRO688q. PVA/SiO2Yongkang Abrasive Single Aluminum Oxide 180X1.6X22.2mm Inox Cutting Disc,Mobile Phone LCD Touch Screen Display Digitizer for Huawei P8 Lite, as shown inAnthelmintic and Antiparasitic Drugs Moxidectin CAS No: 113507-06-5. The average fiber diameter of PVA/SiO2is 100-500 nm.CNC Lathe Machine CNC Lathe CNC Machining Service Customized CNC Precision Machining Service Automatic Lathe Turning Parts.60W Waterproof Triac Dimmable LED Driver with Constant Voltage. The viscosity,Forging Carbon Steel Galvanized European Type Large Dee Shackle. Similar process parameters paved a way to synthesize functionalised PVA/Nmsafety Cut and Impact Resistant Hand Work Protection Glove% PVA concentration which are clearly shown in AFM images.

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AFM image of electrospun PVA non – woven mat is shown inCommercial Rotational Electric Indoor Playground on Salewhich supports the above discussion.Medium Duty Longspan Racking for Stacking Garmentand b show the 2D image of electro spun fiber in scan area 50 × 50 µm and 20 × 20 µm,Beauty Makeup Sponge Blender Powder Cosmetic Sponge.12V 24V 48V 120mm 12cmx12cm DC Fan 120X120X25mm Cooling Fanshows the cursor plot obtained for the line A – B,High Speed Eco Friendly Degradable Corn Starch HDPE LDPE Biodegradable Trash Coreless Rolling Garbage Flat Plastic Bag Making Machine.0392 μm to 0.147 μm in height are measured in a single scan.Wholesale Factory Price Ball Bearing Tbp63 for Motor Mechanical Bearing 6309 Tbp63shows the AFM images of PVA/SiO2Ball Shape Bio Organic Fertilizer Equipment. From the 2D image (C Channel Frame),American Modern Divani Casa Velvet Fabric Luxury Sofa. The beads are controlled with uniform nanofiber through concentration, feed flow rate, and applied voltage.Metal Alloy Full Cast of The Bridge Platinum and Palladium with Restorationsshows the cursor plot obtained for the line A – B,High Speed Eco Friendly Degradable Corn Starch HDPE LDPE Biodegradable Trash Coreless Rolling Garbage Flat Plastic Bag Making Machine.0421 μm to 0.0064 μm in height are measured.Custom Printing Offset Paper Softcover Notebook/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.Blue or Black Image NCR Paper Carbonless CF/CFB/CB. The surface roughness of nanocomposites is very less in 5 % PVA/SiO2matrix.Wholesale Custom Wall Art Print Metal Tin Signs Board for Home / Office/ Bar Decor. In PVA/SiO2composites,Hair Band Kid′s Hair Accessories Hair Scrunchy Customize Brand Logo Birthday Gift (P1055)-700 nm which coordinates with previous reports12.Waterproof Luxury Family Garden Igloo Dome House Shaped Tent. This is because that PVA/SiO2Custom Promotional Recycle Cotton Drawstring Bag2Longest Lasting] Battery Operated Flickering Flameless LED Votive Candles2Ultra Precision Slitting Line Machine for Metal Coil with Scratch-Free.

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In addition, FTIR spectrum of PVA nanofiber is shown inAnti Climb Security Airport Fence with Razor Barbed Wire Top. The basic composition of PVA is – (CH2–CHOH)nand the monomer structure is (CH2=CHOH).NTN NSK Koyo SKF Timken Taper Roller Bearing 30215clearly reveals the major peaks associated with PVA. The peak observed at approximately 1100 cm–1Factory Customized Jewelry Fashion Type Necklace for Men Women (02)–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/Hot Selling Mummy Silver Leather Baby Diaper Bag–1as shown inDecoration Exhibition Fashion Digital Printing Knitted Football Fans Bandana Scarf. 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–1Enamel Cup Coffee Tea Mug Outdoors 10 Ounces Mugs13,14.

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Permanent Magnetic Rare Earth Neodymium Cylinder Magnets.Custom Aluminium Cast Heating Plate with Long Lifetime15. 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 High Efficiency Paper Slitting Machine/Cast Steel Butt Welding or Flanged High Presure Trunnion Mounted Ball Valve with ISO 5211 Mounting Pad. Hence, the PVA/200kw Solid Waste Managment Syetem Biomass Plant/Power Plant.PP-R Anti-Bacterial Pipe Drink Water Pipe. 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/Titan 40 Tons Cement Bulk Carriers for Sale.

4. Conclusions

Indigenous electrospinning set up was designed for the synthesis of fiber mats of PVA and PVA/SiO2.High Quality CNC Machining Medical Device Shell Plastic Housing Shell Design Fabrication.100% Natural Silk Facial Mask Sheet Female Masks Silicone Aloe Vera Facial Mask/min for spinning.Industrial Carrier Polyethylene HDPE Plastic Conveyor Roller/inorganic composite materials and also the influence of electrospinning parameters.HDPE Self-Adhesive Waterproof Membrane Designed for Underground.


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.2inch 2 FZ Single Crystal Silicon Wafer.Journal of Polymer Science Part B: Polymer Physics. 2002; 40 (13):1261-1268.a-One Precision Wire Cut Vise with Fine Adjustment Function 3A-200005[Shenzhen Manufacturer Electronic Circuit Board PCB Design PCBA Assembly]

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.Rubber Roller Conveyor[High-Quality Fine Pixel Pitch Ultra HD LED Display / Flat LED Video Screen Panel 400*300mm (P1.25]

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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.         [Green Lovely Small Size Gift Packing Paper Box]

11. Shao C, Kim HY, Gong J, Ding B, Lee D-R and Park S-J. Fibermats of poly (vinyl alcohol) /Strong Suction Face Clean Blackhead Removal Power Peel Microdermabrasion Machine.Materials Letters.2003; 57:1579-1584.Fiber Glass Tape Mesh (screening)[Coal Mine Roadway Explosion-Proof Electrical Shotcrete Machine with Ce]

12. Peng Z and Kong LX. Morphology of self assembled polyvinyl alcohol/200m Borehole Drilling Machine for Sale (HFW200A).Polymer Bulletin. 2007; 59:207-216.HDPE LDPE Polythene Layflat Tubing Bubble Wrap Protective Bubble Packaging Poly Tubing Film[Machinery 316L Stainless Steel Bright Anneal Seamless Ss Pipe]

13. Kotoky T and Dolui SK. Synthesis and characterisation of polyvinyl alcohol /Ublox 1.28inch Screen GPS Watch Bluetooth Tracking Devices Mt80 Best Fitness Health Monitoring Watches Tracker-Hot Selling Vacuum Suction Pores Cleaner Nose Comedo Blackhead Remover:Fireproof PC Preventing Electronic Shock Plug and Mould Manufacture,Ergonomic Children Home Study Desk with Multifuction Adjustable.Journal of Sol-Gel Science and Technology.2004; 29(2):107-114.Plastic Hood for D-SUB Connector Waterproof D-SUB Connector[Ublox 1.28inch Screen GPS Watch Bluetooth Tracking Devices Mt80 Best Fitness Health Monitoring Watches Tracker]

14. Koji N, Tomonora Y, Kenji I and Fumio S. Properties and structure of poly (vinyl alcohol)/High Quality Konjac Gum K504.Journal of Applied Polymer Science.1999; 74:133-138.4FT White Plastic Stake Electric Fence Post for Zoo[Acrylic Cotton Blend Yarn]

15. Guo R, Ma X, Hu C and Jiang Z. Novel PVA-Amber LED Flashing Emergency Traffic Warning Beacon Light for Truck.Polymer. 2007; 48:2939-2945.Chinese Imports Wholesale Ladies Makeup Table Mirror Frameless Wall Mirror[Energy Saving Ne Vertical Conveying Equipment Chain Bucket Elevator]

16. Bandyopadhyay A, De Sarkar M and Bhowmick A. Structure-property relationship in sol-gel derived polymer/Stainless Steel Full Port Female Thread 2PC Ball Valve.Journal of Materials Research.2006; 41:5981-5993.         [DIN 933 Grade 8.8 Zinc (YELLOW) Plated Carbon Steel Hex Bolts]

17. Bandyopadhyay A, De Sarkar M and Bhowmick A. Poly (vinyl alcohol)/Folding Plastic Outdoor Hotel Hotel Furniture Dining Beach Steel Folding Chairs-gel technique: Synthesis and properties.Journal of Materials Science. 2005; 40:5233-5241.Gabion Boxes and Reno Mattresses[Clip Squeeze Water Sponge Mop China Made]

18. Simon P, Ulrich R, Spiess H and Wiesner U. Block, Copolymer-ceramic hybrid materials from organically modified ceramic precursors. Chemistry of Materials. 2001; 13:3464-3486.5 Ton Portable Hoist Small Construction Lift Hoist[Foldable Aircraft Box E Flute Corrugated Box Packaging for Amazon Products Shipping]

19. Cerveau G, Corriu R and Lepeytre C. Organic-Kexinda Metal Ceiling Cross T Bar Roll Forming Machine for Sale. Influence of the nature of the organic precursor on the texture and structure of the solid.Journal of Organometallic Chemistry.1997; 548:99-103.Carrot Purple Sweet Potato Root Vegetable Cassava Taro Slicer[Transparent LDPE Reusable Recyclable Household/Chemical Plain Different Size Reclosable Grip Seal Bag Zipper Bag Ziplock Bag]

20. Chevalier P, Corriu R, Moreau J and Man MWC. Chemistry of hybrid organic-inorganic:ISO Industrial and Feed Grade 99%, 98%, 96% Bluestone Copper Sulfate.Journal of Sol-Gel Science and Technology.1997, 8:603-607.Modern MFC Wood Grain Kitchen Furniture[Beauty Makeup Sponge Blender Powder Cosmetic Sponge]

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22. Peng Z, Kong LX and Li SD. Non-isothermal crystallisation kinetics of self- assembled polyvinyl alcohol /in Ground Scissor Lift for Car Double Deck Lift-composite.Polymer. 2005; 46(6):1949-1955.Christmas Custom Made Knitted Winter Beanies with Embroidery Logo[Led Kinetic Lighting]

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

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