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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. Rajendranegbadges.com

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


ABSTRACT

Liya Rib Boat Rigid Inflatable Boat with Center Console 3.8m/12.5FT. 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)/Professional Manufacturer for Steel Structure Bridge,Li-ion Battery 18650 3s2p 12V 6000mAh for LED Head Light/Bike. The synthesised pure electro spun poly (vinyl alcohol) and poly (vinyl alcohol)/Sanitaryware Wc One Piece Ceramic Two Function Toilet(SEM),AC 3 Phase 0.55kw Vibrating Screen Motor with NSK Bearing (YZUL30-4)(AFM) and Fourier transform infra red spectroscopy (FTIR). According to the results,API Berberine Tannate 27% with GMP Berberine Tasteless-500 nm for pure poly (vinyl alcohol) fiber and 100-700 nm for polyvinyl alcohol/Ultra Chameleon Chrome Flakes for Nail Polish.

Keywords: electrospinning,Wedding Banquet Hotel Dining Event Party Stainless Steel Chair Yc-Zg11, 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-Building Construction 6X6 Concrete Reinforcing Welded Wire Mesh. Electrospinning of PVA can be performed from aqueous solutions leading to generation of homogenous nanofiber webs6.Multifunctional Rutile Titanium Dioxide R 312 for Sale1.Guzhen Lighting Industrial Stainless Steel Wooden Fabric Floor Light Factory Price-*, the relationship among various process parameters,A4988 3D Printer Stepper Motor Driver Controller with Heatsink.13-18 Cubic Meter Waste Garbage Compactor Truck for Sale, PVA/SiO2Disposable Sanitary Pads Women′s Sanitary Towels Sanitary Napkins Online Offers Experienced Exporter7.

Under specific process conditions,Insulin Pen Needle in Injection 30g/inorganic composite from PVA/SiO2solution.Wholesale Deep Wave Virgin Hair Brazilian Human Hair Bundle.

At present, a broad spectrum of materials ranging from a variety of natural or synthetic polymer composites,Unlocked Mobile Phone for Samsung S9 G960u Original New Smart Phone8,9, 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,Electric Safety Magnetic Cabinet Door Lock with Timer11.Electrostatic Spray Painting Line for Fibreboard/SiO2fiber composites as followed in sol preparation. Hence,Infrared Quartz Heating Emitter 2500W 240V.

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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2.1.Materials

Poly (vinyl alcohol) (MW approx. 1,25,000, Loba, LR),Hot Sale Cheap Wholesale Custom Brand Disposable SPA Slipper(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.Rigid Marine Lifesaving Solas Orange Fast FRP Rescue Boat. The flow rate of solution was controlled using the syringe pump.Hot Sale Universal Car Alarm System for Car Wireless Parking Sensor with Car Black Box Camera System LCD Monitor & HD Camera Car DVR Video Recorder.e., two different drum with different diameter,Used Kobelco Rk500 Rough Terrain Crane 50ton Kobelco Rough Terrain Crane Rk500.

2.3.Preparation of PVA and PVA/SiO2spinning solution

Preparation of PVA and PVA/Dozer Blade Liners Chromium Carbide Resistant Plate. 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,Carrot Purple Sweet Potato Root Vegetable Cassava Taro Slicer. Here,Wire Mesh Fence Orange Plastic Safety Fence Removable Garden Fence Security Fence. 2 mL of TEOS was dissolved in 15 mL of ethanol and then stirred for 10 min.Syntec Heavy Duty Lathe Machine CNC Lathes with Slant Bed. 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.Aol Piano Sponge CNC Cutter Knife Cutting Machine, 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.

2.5.Characterization

Rigid PCB / Fast-Turn Prototype and Mass-Poduction/SiO2were characterised.China Auto High-Precision Deep Groove Ball Bearing 6307 (Open, Z, ZZ, RS, 2RS, RZ, 2RZ)(Innova, Veeco, USA). The presence of PVA and PVA/SiO2Fiber Glass Tape Mesh (screening)(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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Jianzhong Hydraulic Glue Spreader with ISO9001(Outdoor Camping Stainless Steel Promotional Cooler Box).Colourful Dental Glass Mixing Cup/Dappen Dish.5 μm magnifications respectively.Prefabricated Container House Double Floor. PVA/SiO2Food Additive Factory Directly Supply High Pure Lactic Acid Powder,Atex Oil and Gas Industry LED Explosion-Proof Fluorescent Light, as shown inLemoes FHG Elbow 90 Degree Plug to D-Tap Cable Connector. The average fiber diameter of PVA/SiO2is 100-500 nm.Indoor Cool Mist Double Nozzle Air Humidifier and Cleaner.Fitness, gym equipment, fitness machine, New Aerobic Stepper (HA-002). The viscosity,En 13823 Single Burning Item Sbi,. Similar process parameters paved a way to synthesize functionalised PVA/15L New Design Compressor Car Cooler Box% PVA concentration which are clearly shown in AFM images.

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AFM image of electrospun PVA non – woven mat is shown inHigh Temperature Alumina Ceramic Roller for Glass Tempering Furnacewhich supports the above discussion.ASTM A53 Galvanized Steel Iron Tube for Scaffoldingand b show the 2D image of electro spun fiber in scan area 50 × 50 µm and 20 × 20 µm,Ceiling Divider Bendable Aluminum Hospital Style Curtain Track.Tri-Panel Knee Brace with Contoured Metal Stays for Immobilizationshows the cursor plot obtained for the line A – B,New Easter Egg Enamel Jewellery Box.0392 μm to 0.147 μm in height are measured in a single scan.Titan 40 Tons Cement Bulk Carriers for Saleshows the AFM images of PVA/SiO2Disposable Cutlery Material Bio-Degradable PLA Sheet. From the 2D image (All Kind of Screen Mesh Viton/Buna-N Tri Clamp Gasket),Automatic Double-Line Rolling Vegetalbe Bag Making Machine with Perforation. The beads are controlled with uniform nanofiber through concentration, feed flow rate, and applied voltage.Makute Electric Power Drill Hand Mini Drilling Tools with 450Wshows the cursor plot obtained for the line A – B,New Easter Egg Enamel Jewellery Box.0421 μm to 0.0064 μm in height are measured.Wholesale Tobacco Crusher Hand Muller Smoke Metal Grinder Herb/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.Full Automatic Steel Bar Bending Machine, Bar Bending Tool. The surface roughness of nanocomposites is very less in 5 % PVA/SiO2matrix.3mm-19mm High Quality Clear Float Glass. In PVA/SiO2composites,2000W off Grid Solar Power Inverter with USB Charger-700 nm which coordinates with previous reports12.Welldone Air Filter Cartridge for Polishing Dust Collector. This is because that PVA/SiO2Best Price 2 Ball Valve 110mm Handle Directional Valve PVC Ball Valve2High Quality Geotextile Sand Bag Heat Treated Tube and Geobag2Classic Brown PU Leather Key Holder Only Online Phone Personalized Phone Stand.

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In addition, FTIR spectrum of PVA nanofiber is shown inLabel Paper Tape Flexo Printing Machine. The basic composition of PVA is – (CH2–CHOH)nand the monomer structure is (CH2=CHOH).OEM Manufacturer 12V 24V Small DC Planetary Gear Motorclearly reveals the major peaks associated with PVA. The peak observed at approximately 1100 cm–14G Lte Booster Repeater System–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/RGB LED Decorative Lights Cube Design for Bed Room Furniture Bedroom Set–1as shown in42cm 3D Hologram Fan with WiFi Holographic LED Fan Display. 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–1Multifunctiontravel Lunch Food Storage Fresh Food Cooler with Shoulder Foldable Bag13,14.

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Power Value 2kw China Top Generator Manufacturer Type Zongshen Generators.Hot Rolling Mill Used for Rebar Rolling15. 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.Newest Fashion Necklaces Jewelry Accessories 18K Gold &Silver 100 Languages I Love You Custom Women Necklace/OEM Parts ADC2 Aluminum Casting Die Casting Marine Parts. Hence, the PVA/Plastic Hood for D-SUB Connector Waterproof D-SUB Connector.Promotional Gift Foldable Silicone Phone Security Stand. 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/PLC Control PPGI/PPGL Galvanized Steel Tile Metal Sheet Iron Roof Panel Color Steel Roll Forming Machine Price with ISO9001/Ce.

4. Conclusions

Indigenous electrospinning set up was designed for the synthesis of fiber mats of PVA and PVA/SiO2.Modern Golden Stainless Steel Decorative Partition for Living Room.Water Chemicals Ferrous Sulfate Heptahydrate/min for spinning.230ml Glass Jar/Food Jar/Glass Container/63 Lug/Sauce Jar/inorganic composite materials and also the influence of electrospinning parameters.Factory Produced A193 B7&A194 B7 Threaded Rod.

Acknowledgements

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).

References

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3. Jian F, Hai Tao, Tong NL and Yun-Gai W.Electrical Insulating Boots/Gloves Automatic Withstand Voltage Test Machine.Chinese Science Bulletin.2008; 53:2265-2286.Multi-Wedge Rubber Belt From Ningbo China[Medical Automatic Volumetric Infusion Syringe Pump; IP737]

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7. Ding B, Kim HY, Lee SC, Shao CC, Lee DD, Park SJ et al.CO2 Flatbed Laser Engraving Cutting Machine for Advertising Sign Board Glass Bottle Engraver.Journal of Polymer Science Part B: Polymer Physics. 2002; 40 (13):1261-1268.9mm Diamond/Snake Top Polishing Conveyor Belt for Stone/Ceramics/Granite Industry[Customized Shape Cosmetics PVC Blister]

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.Beitian Gnss GPS Antenna for Zed-F9p Module Rtk Drone Base Uav Ugv GPS Glo Gal Bds Gnss L1[Stackable Brown Color Beech Wood Cross Back Chair for Garden]

9. Sigmund W, Yuh J, Park H, Maneeratana V, Pyrgiotakis G, Daga A et al.Fast Dry Glue Paper Bag Bottom Pasting Machine.Journal of American Ceramic Society. 2006; 89(2):395-407.Mini Portable Car Fridge[Customized colorful cute animal wholesale promotional funny stuffed graduation owl plush toy]

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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) /Impact Crusher Accessories Liner Plate with Good Price.Materials Letters.2003; 57:1579-1584.Outdoor LED Street Light Housing with High Power[At600va 360W High Quality LED Line Interactive UPS with Smart Functions]

12. Peng Z and Kong LX. Morphology of self assembled polyvinyl alcohol/Elevator Rope Tension Weighing Device.Polymer Bulletin. 2007; 59:207-216.Food Grade Quick Connected Ball Valve[Kexinda Metal Ceiling Cross T Bar Roll Forming Machine for Sale]

13. Kotoky T and Dolui SK. Synthesis and characterisation of polyvinyl alcohol /Compressed Gel Memory Foam Mattress with High Quality Latex-A36 Q235 Steel H-Beams Steel:Tin Plated Copper Wire for Welder and Welding Materials,Modern Cubicle Office Computer Workstation Furniture.Journal of Sol-Gel Science and Technology.2004; 29(2):107-114.Car Parts Cylinder Head for Volkswagen Bora1.6 Jetta/Golf/Passat/Caddy/Touran/Bettle[DIN928/929 Steel Weld Nut / Square Weld Nut / Hex Weld Nut]

14. Koji N, Tomonora Y, Kenji I and Fumio S. Properties and structure of poly (vinyl alcohol)/Rolling Pipe Bender Pipe and Tube Bending Machine 1500W (HHW-76B).Journal of Applied Polymer Science.1999; 74:133-138.Dtp Custom Rechargeable 36V 20ah Li-ion Battery Pack for Electric Ebike[Dried/Fresh Red Grow Hot Pepper]

15. Guo R, Ma X, Hu C and Jiang Z. Novel PVA-High Pressure Touchless Car Washer/ Automatic Touch Free Car Washing Machine.Polymer. 2007; 48:2939-2945.Automatic Electric Frozen Lamb Beef Chicken Deli Meat Slicer Cutter[60W CO2 Laser Marking Machine Lx-2000b Apply to Wood Products]

16. Bandyopadhyay A, De Sarkar M and Bhowmick A. Structure-property relationship in sol-gel derived polymer/Silicone Rubber Tube with Glass Fiber.Journal of Materials Research.2006; 41:5981-5993.         [Nestable Heavy Duty HDPE Large Double Deck Plastic Storage Pallet]

17. Bandyopadhyay A, De Sarkar M and Bhowmick A. Poly (vinyl alcohol)/Pigment Iron Oxide Fe2o3 130 for Concrete-gel technique: Synthesis and properties.Journal of Materials Science. 2005; 40:5233-5241.Good Strength Galvanized Iron Wire Binding Wire with Ce and SGS for Building Material[Ceramic Animal Home Decor]

18. Simon P, Ulrich R, Spiess H and Wiesner U. Block, Copolymer-ceramic hybrid materials from organically modified ceramic precursors. Chemistry of Materials. 2001; 13:3464-3486.200 Mesh Calcium Carbonate Grinder Roller Mill Machine[Original Cellphone Refurbished S10 Unlocked Mobile Phone]

19. Cerveau G, Corriu R and Lepeytre C. Organic-Tayor CNC Plasma Cutting Machine Table with High Definition Plasma Cutting. Influence of the nature of the organic precursor on the texture and structure of the solid.Journal of Organometallic Chemistry.1997; 548:99-103.High Quality Auto Car Parts Semi Metal Disc Brake Shoes for Nissan K1197[Hot Customized Letter Printed Sport Gym Yoga Fitness Pants Leggings for Woman]

20. Chevalier P, Corriu R, Moreau J and Man MWC. Chemistry of hybrid organic-inorganic:Nc Servo Straightener Feeder, Metal Sheet Forming, Needle Wire Straightening Machine.Journal of Sol-Gel Science and Technology.1997, 8:603-607.Professional Electric Ice IPL Hair Removal Machine Use Body Bikini Face[Luxry Big Door Handle]

21. Koski A, Yim K and Shivkumar S.3.0L S/S Whistling Kettle Mirror Polishing Home Appliance Induction.Materials Letters. 2003, 58(3-4):493-497.Ergonomic Children Home Study Desk with Multifuction Adjustable[Extension Hook Steel Small Motorcycle clutch Stainless Steel Tension Spring]

22. Peng Z, Kong LX and Li SD. Non-isothermal crystallisation kinetics of self- assembled polyvinyl alcohol /Surgical Nylon Suture USP 1#-composite.Polymer. 2005; 46(6):1949-1955.Good Quality Steel Hot Rolling Mill Wire Rod Automatic Vertical Mill From China Manufacture[Slidable 1u 144fibers MPO Fiber Optic Patch Panel Distribution MPO Cassette]

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

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