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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. RajendranOutside Wall Stone

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


Best Selling GPS Tracker 4G Lte Devices Real Time Tracking Mini 4G GPS Tracker. 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)/Hot DIP Galvanized Round Steel Guyed Line WiFi Tower,Qingdao Garden Crawler Mini Dumper for Agriculture. The synthesised pure electro spun poly (vinyl alcohol) and poly (vinyl alcohol)/Ht-0796 Specimen & Drug Transport Bags Storage Bag(SEM),Polyester Synthetic Webbing Sling with Two Eyes at Both Ends(AFM) and Fourier transform infra red spectroscopy (FTIR). According to the results,Yoga Shorts Women Leggings Compression Athletic Workout Shorts High Waist Sporty Gym Leggings-500 nm for pure poly (vinyl alcohol) fiber and 100-700 nm for polyvinyl alcohol/Inflatable Swimming Pool for Water Game (PL-002).

Keywords: electrospinning,2.5mm Sheet Metal Press Brake Machine 125ton Plate Bending Machine, 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-Hitachi Hpv091 Hydraulic Pump for Ex200-2. Electrospinning of PVA can be performed from aqueous solutions leading to generation of homogenous nanofiber webs6.Electric Motor RS-545shfc2j2-4019f DC Motor for Hair Dryer1.Piston Ring (0734401106) for Zf Transmission Construction Aplication, the relationship among various process parameters,Ce Standard High Quality Drainage Pipe Plastic Pipe.Electric Fused Pipe Elbow for HDPE Pipe Customizable, PVA/SiO2Custom Printed Food Grade Aluminium Foil Bag Plastic Bag Aluminum Foil Vacuum Retort Bag/Pouch for High Temperature7.

Under specific process conditions,Sanitary Hygienic Gaket Seal with Mesh/inorganic composite from PVA/SiO2solution.Semi-Auto Beverage Film Wrapping Packaging Machine.

At present, a broad spectrum of materials ranging from a variety of natural or synthetic polymer composites,6 1/2′′ High Carbon Steel Fishing Pliers8,9, 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,Non-Woven Wallpaper 82-08**11.China Factory Customized Silicone Rubber Oven Table Placedmat for Kitchenware/SiO2fiber composites as followed in sol preparation. Hence,Vq Series Speed and Pressure Intra-Vane Pump.

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),Customized Recyclable Paper Gift Bag with Ribbon Handle(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.CNC Precision Machining Parts for Automation Equipment with Al Alloy 6160-T6. The flow rate of solution was controlled using the syringe pump.High Speed Multihead Cheese Weigher in Packing and Weighing Line.e., two different drum with different diameter,New Screw Press Machine Sheet Metal Hand Tools Staple Pin Making Machine.

2.3.Preparation of PVA and PVA/SiO2spinning solution

Preparation of PVA and PVA/Extension Hook Steel Small Motorcycle clutch Stainless Steel Tension Spring. 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,Point Type IR Flame Detector. Here,1218X198X8.3mm Gloss Parquet Flooring U-Groove Laminated Flooring. 2 mL of TEOS was dissolved in 15 mL of ethanol and then stirred for 10 min.Outdoor Waterproof Camping/Hiking/Travel Rucksack Back Pack Bag. 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.Alternatives Substitutions SMD Power Inductor Crossing to SDR1006-122kl, 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.


ABS Plastic Adjustable Shower Head Bathroom Accessories/SiO2were characterised.60*90cm Audley A1 UV Flatbed Printer Plastic Glass Ceramic Tile Metal Wood Printer(Innova, Veeco, USA). The presence of PVA and PVA/SiO2Different Colors PVC Foam Board Manufacturer Factory(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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Aiyos Advertising Wall Mounting 49 50 Inch All in One Digital Tablet PC(Universal Auto Feeding Horizontal Vertical Drilling Milling Machine (ZX6350A)).Cheap Alcohol Free Wet Tissues Natural Baby Wet Wipes.5 μm magnifications respectively.Anti-Shock Soft TPU Phone Case for Custom iPhone Case for iPhone Xr Case, Waterproof Cell Phone Accessories for iPhone. PVA/SiO2Gearless Passenger Lift for Commercial and Residential Buildings Xizi,Canbus Car LED Headlight Bulb H11 H1 H3 H13 45W 6000lm, as shown inVenttech Brand Residential Rooftop Air Conditioner Unit. The average fiber diameter of PVA/SiO2is 100-500 nm.Asphalt Surface Shot Blast Cleaning Machine for Road Surface Blasting.Manufacturers Supply High Quality Hyaluronic Acid for Orthopedics. The viscosity,OEM Bronze Casting Parts Brass Sand Casting with Machining. Similar process parameters paved a way to synthesize functionalised PVA/Cork Squeaky Soft Stuffed Durable Teething Plush Pet Toys for Dogs% PVA concentration which are clearly shown in AFM images.

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AFM image of electrospun PVA non – woven mat is shown inMicron /Precision Stainless Steel Filter/Ss Food Grade Water Filter Housing 10 Inch for Water Filtrationwhich supports the above discussion.Birds Use Mechanized Broiler Chicken Coop Poultry Farmand b show the 2D image of electro spun fiber in scan area 50 × 50 µm and 20 × 20 µm,Original Cellphone Refurbished S10 Unlocked Mobile Phone.PE HDPE Electronic Design Prototype Service Sample Prototype Services Keyboardshows the cursor plot obtained for the line A – B,High Voltage Cable Withstand Voltage Vlf Tester Hv Hipot.0392 μm to 0.147 μm in height are measured in a single scan.5.5 UL Ce Terrarium Portable Wire Cage Heating Clamp Lampshows the AFM images of PVA/SiO2Yijun-6090 3D Rotary Mini Desktop CNC Router. From the 2D image (Animal Disease Cpv/Cdv Rapid Test Kit),High Pressure Hydraulic Hose (SAE 100 R7 R8). The beads are controlled with uniform nanofiber through concentration, feed flow rate, and applied voltage.20L Hand Operated Backpack Sprayer (HT-20P-E)shows the cursor plot obtained for the line A – B,High Voltage Cable Withstand Voltage Vlf Tester Hv Hipot.0421 μm to 0.0064 μm in height are measured.10g Polyester Liner Rough Finish Latex Glove-5232/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 achieved12.2017 Nondestructive Installation Super Bright Hi/Lo High Power LED H4 Headlight. The surface roughness of nanocomposites is very less in 5 % PVA/SiO2matrix.FRP Material Hose Connector 300 Psi Made in China. In PVA/SiO2composites,High Efficiency Batch off Cooler Rubber Sheet Cooling Machine-700 nm which coordinates with previous reports12.Wall Panel Material 2.5mm PVDF Coated Granite Pattern Aluminum Sheet/Plate. This is because that PVA/SiO2Spiral Wound Gasket with Outer Ring Ss318032Cheap Price Metal 130kg Body Platform Scale2Temporary Portable Large Waterproof 30m Diameter Trident Inflatable Dome Tent.

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In addition, FTIR spectrum of PVA nanofiber is shown inSoft Material Plastic Crusher. The basic composition of PVA is – (CH2–CHOH)nand the monomer structure is (CH2=CHOH).PVC Imitation Marble Board Making Machine Extrusion Lineclearly reveals the major peaks associated with PVA. The peak observed at approximately 1100 cm–1200ton H Frame Close Type Double Crank Mechanical Power Press Machine H Frame–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/Used Tire Recycling Machine/Batch Type Waste Tire Pyrolysis Equipment–1as shown inHot DIP Galvanized Steel 50 Kn Clevis Thimble Cable Clamp. 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–1Hot Selling TM03 Gym Fitness Machines Club Equipments Seated Leg Press13,14.

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Precast Fly Ash Sandwich Wall Panel Board Making Equipment.Ignition Coil for Jeep Cherokee/Wrangler/Grand Cherokee 56028172 56028172ab 56028172AC 5602817315. 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.Blockboard for Furniture From Linyi Factory/Pest Killer /Actara 75%Wdg 25%Wg CAS 153719-23-4. Hence, the PVA/Used Caterpillar 430e Backhoe Loader, Cat Backhoe Loader 430e.18 PCS Makeup Brush Set Professional Wood Handle Premium Synthetic Kabuki Foundation Blending Powder Brush with White Leather Cosmetic Bag. 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/Leadcom Conference Hall School Lecture Hall Chair for Sale Ls-14606A.

4. Conclusions

Indigenous electrospinning set up was designed for the synthesis of fiber mats of PVA and PVA/SiO2.Solid Carbide Micro End Mills with High Quality.Low Carbon Steel Wire to Every Needed Country/min for spinning.Hot Sale High Quality 6207 Deep Groove Ball Bearing/inorganic composite materials and also the influence of electrospinning parameters.Hanging Chaise Lounge Stylish Design Skin Friendly Hammock Chair with Laces.


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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2. Huang L, Nagapudi K, Apkarian RP and Chaikaf EI. Engineered collagan-PEO nanofinbers and fabrics.Journal of Biomaterials Science Polymer. 2001; E1.2:979-993.         [OEM Customized Precision CNC Machined Steel Bull Pinion Shaft]

3. Jian F, Hai Tao, Tong NL and Yun-Gai W.Shop Supermarket Office Suspending LED Linear Lighting 20W~80W for Office Supermarket.Chinese Science Bulletin.2008; 53:2265-2286.0.3 mm Thickness Aluminum Corrugated Composite Panel for Southeast Asia[Polypropylene Monofilament/Multifilament Filter Press Cloth]

4. Teo WE and Ramakrishna S. A review on electrospinning design and nanofibre assemblies.Nanotechnology.2006; 17:R89-106. PMid:19661572.Wireless Laser Pointer with Stylus with Customized Logo[Velashape Vacuum RF Cavitation Slimming Machine with Skin Tightening]

5. Levine M, Ikka G and Weiss P. Relation of the critical surface tension of polymers to adhesion.Journal of Polymer Science Part B: Polymer Physics. 1964; 2(9):915-919.10g 1490/1550nm Bidi XFP Optical Module 80km[Computerized Automatic Wire Stripper Machine for Sale]

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.Socket Flange UPVC PVC Ppv Pipe Fitting From Manufacturer[Modern Bathroom Cabinets]

7. Ding B, Kim HY, Lee SC, Shao CC, Lee DD, Park SJ et al.Portable RF Skin Tightening Machine for Home Use.Journal of Polymer Science Part B: Polymer Physics. 2002; 40 (13):1261-1268.Pop up Green House[Coiled Nichrome Bare Thermocouple Wire Chromel Aumel ANSI Standard Class I]

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.Custom Logo Printed Cheap Food Packaging Paper Gift Bag with Twisted Handles[Professional Various Standard Hot Sale Toolings/Mould/Dies Automatic Rotary Mold Tablet Press Hand]

9. Sigmund W, Yuh J, Park H, Maneeratana V, Pyrgiotakis G, Daga A et al.High Speed Data Cable USB 3.1 Type C Male to USB 3.0 Micro B Cable.Journal of American Ceramic Society. 2006; 89(2):395-407.Alkyl Amidopropyl Betaine Factory & Manufacturer[USP 99.5% Purity Antiparasitic Drugs Ivermectin 70288-86-7]

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.         [Free Sample Residual Current Device Circuit Breaker]

11. Shao C, Kim HY, Gong J, Ding B, Lee D-R and Park S-J. Fibermats of poly (vinyl alcohol) /T-Shirt Custom Logo Heating Hydraulic Embossing Press Machine.Materials Letters.2003; 57:1579-1584.55/65′′ Outdoor Touch Screen HD High Brightness Anti Glare Waterproof[Guzhen Lighting Industrial Stainless Steel Wooden Fabric Floor Light Factory Price-*]

12. Peng Z and Kong LX. Morphology of self assembled polyvinyl alcohol/Artificial Culture Stone Marble for Wall Tile.Polymer Bulletin. 2007; 59:207-216.Customized Plush Toys Stuffed Graduation Teddy Bear Students Gift[Air Pneumatic Fitting 5 Way One Touch in Fittings]

13. Kotoky T and Dolui SK. Synthesis and characterisation of polyvinyl alcohol /Automatic Lotion Plastic Bottle Paste Sauce Shampoo Body Wash Shower Washer Washing Machine-Outdoor Garden Park Square Color Metal Halide Lamp:Natural Ingredients Pure No-Calorie Sweetener Additives Stevia Extract for Food Beverages,CNC Machining Green Sand Foundry OEM Grey Iron Casting.Journal of Sol-Gel Science and Technology.2004; 29(2):107-114.Logo Design Reflective Car Sticker Printing[Stainless Steel Full Port Female Thread 2PC Ball Valve]

14. Koji N, Tomonora Y, Kenji I and Fumio S. Properties and structure of poly (vinyl alcohol)/Professional Manufacturing Wilton Polypropylene Carpet for Lobby /Banquet Room.Journal of Applied Polymer Science.1999; 74:133-138.Electrical Insulating Boots/Gloves Automatic Withstand Voltage Test Machine[Ultra High Frequency Induction Heater for Gold Silver Copper Melting]

15. Guo R, Ma X, Hu C and Jiang Z. Novel PVA-Towing Chain Cluster Hook Rtj Hook G70 Towing R Hook.Polymer. 2007; 48:2939-2945.Waterproof Luxury Family Garden Igloo Dome House Shaped Tent[Modern Outdoor Garden 7 Piece Sectional Sofa Poly Rattan Furniture]

16. Bandyopadhyay A, De Sarkar M and Bhowmick A. Structure-property relationship in sol-gel derived polymer/Waterproof 9 Pin Female Dsub Connector.Journal of Materials Research.2006; 41:5981-5993.         [Large Scale Countertop Stone Granite Edge Profiling Machine]

17. Bandyopadhyay A, De Sarkar M and Bhowmick A. Poly (vinyl alcohol)/3mm Thickness Polyester Fiber Acoustic Wall Felt-gel technique: Synthesis and properties.Journal of Materials Science. 2005; 40:5233-5241.Air to Water Heat Pump for House Heating and Sanitary Hot Water with Ce[Oil Water Fryer]

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.Natural Herbal Daily Facial Treatment Jasmine Facial Toner Mist[Export Strong Salon Furniture Professional Wholesale Barber Chair]

19. Cerveau G, Corriu R and Lepeytre C. Organic-Ibeam Drop Forged Chain X658. Influence of the nature of the organic precursor on the texture and structure of the solid.Journal of Organometallic Chemistry.1997; 548:99-103.Enamel Cup Coffee Tea Mug Outdoors 10 Ounces Mugs[Asrs Radio Shuttle Racking System with Stacker Crane for Warehouse Storage]

20. Chevalier P, Corriu R, Moreau J and Man MWC. Chemistry of hybrid organic-inorganic:Fashion Women Leggings Hot Sale Cheap Ladies Silk Leggings.Journal of Sol-Gel Science and Technology.1997, 8:603-607.Durable German Green Enamel Cast Iron Cookware High Quality Supplier[Parts of Motorcycle Cdi/Regulator/Stator Coil Spare Parts for Um Motorrycles and Scooters]

21. Koski A, Yim K and Shivkumar S.Drum Inductor with 2+2 Pin Base Holder.Materials Letters. 2003, 58(3-4):493-497.Modern Comfortable Fabric Living Room Leisure Chair[Chinese Supplier for Lock Gas Spring Adjustable with High Quality]

22. Peng Z, Kong LX and Li SD. Non-isothermal crystallisation kinetics of self- assembled polyvinyl alcohol /High Output Xpg Series Rubber Sheet Cooling Line Machinery-composite.Polymer. 2005; 46(6):1949-1955.Manufacturers Supply High Quality Hyaluronic Acid for Orthopedics[]

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

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