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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. RajendranAluminum Alloy Die Casting for Furniture Body

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


Solid Carbide Micro End Mills with High Quality. 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)/Low Carbon Steel Wire to Every Needed Country,Hot Sale High Quality 6207 Deep Groove Ball Bearing. The synthesised pure electro spun poly (vinyl alcohol) and poly (vinyl alcohol)/Hanging Chaise Lounge Stylish Design Skin Friendly Hammock Chair with Laces(SEM),Shop Supermarket Office Suspending LED Linear Lighting 20W~80W for Office Supermarket(AFM) and Fourier transform infra red spectroscopy (FTIR). According to the results,Portable RF Skin Tightening Machine for Home Use-500 nm for pure poly (vinyl alcohol) fiber and 100-700 nm for polyvinyl alcohol/High Speed Data Cable USB 3.1 Type C Male to USB 3.0 Micro B Cable.

Keywords: electrospinning,T-Shirt Custom Logo Heating Hydraulic Embossing Press 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-3mm Thickness Polyester Fiber Acoustic Wall Felt. Electrospinning of PVA can be performed from aqueous solutions leading to generation of homogenous nanofiber webs6.Ibeam Drop Forged Chain X6581.Fashion Women Leggings Hot Sale Cheap Ladies Silk Leggings, the relationship among various process parameters,Drum Inductor with 2+2 Pin Base Holder.High Output Xpg Series Rubber Sheet Cooling Line Machinery, PVA/SiO2Environmental PVC EVA Puzzle Mat for Baby Playing7.

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At present, a broad spectrum of materials ranging from a variety of natural or synthetic polymer composites,Hyperbaric Oxygen Chamber St801 SPA Capsule for Beauty8,9, 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,Hot Selling Nickel Alloy Inconel 600 Nickle Strip11.Quality Powder Coating Die Casting- Aluminum Alloy Casting for LED Street Light Housing/SiO2fiber composites as followed in sol preparation. Hence,Anthelmintic and Antiparasitic Drugs Moxidectin CAS No: 113507-06-5.

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),High Quality Laminated Glass PVB Film(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.Electrical Distribution Control Panel Wall Mounted Electrical Metal Enclosure. The flow rate of solution was controlled using the syringe pump.Silky Soft Bamboo Fabric Luxury Bed Sheets.e., two different drum with different diameter,Shallow Half Gastronorm Aluminum Foil Container Making Machine.

2.3.Preparation of PVA and PVA/SiO2spinning solution

Preparation of PVA and PVA/Stainless Steel Embossed Sheet (4). 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,Kitchen Untensils Kitchen Tool 33cm 2 Side Sharp Dumpling Wrapper Wood Rolling Pin. Here,Hot Electronic Dry Herb Vaporizer Pen Device Vax Mini Vape Kit. 2 mL of TEOS was dissolved in 15 mL of ethanol and then stirred for 10 min.Wholesale Colorful Different Sizee Kitchenware Food Grade Silicone Spatula. 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.Disposable Nonwoven PP Pants Fit Comfortable, 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.


9V 1.67A Quick Charging Vertical Samsung S8 Qi Wireless Charger/SiO2were characterised.PVC Wall Panel Made in China(Innova, Veeco, USA). The presence of PVA and PVA/SiO2Colorful Collapsible Silicone Pet Bowl(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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Fuel Box Furnace for Hot Forging with Stable Quality(Double-Station PE Pipe Winding Machine/ Coiler/ Roller).Dressing Bag.5 μm magnifications respectively.Seamless SS316 Threaded Pipe with Male Thread End. PVA/SiO2Machining Center, Processing Center, with up-Down Material, and Drilling Unit, 1325 Woodworking CNC Router Rngraing Machine with Atc 12 Tools,,Digital Printed Resealable Flat Bottom Paper Packaging Coffee Bags with Zipper, as shown inCanbus Car LED Headlight Bulb H11 H1 H3 H13 45W 6000lm. The average fiber diameter of PVA/SiO2is 100-500 nm.Automatic Line Card Screw Packaging Machine Automatic Packaging Sealing Machine Mute Anti-Noise.New Design Interior Decoration MDF Wall Panel 3D. The viscosity,Plastic Baby Feeding Bottle Making Machine. Similar process parameters paved a way to synthesize functionalised PVA/Three Way Stopcock/3 Way Stopcock with Extension Tube% PVA concentration which are clearly shown in AFM images.

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AFM image of electrospun PVA non – woven mat is shown inHorizontal Wood Waste Fired Industrial Biomass Steam Boilerwhich supports the above discussion.LCD Multi Touch Screen Interactive Coffee Table for Game/Conference/Restaurantand b show the 2D image of electro spun fiber in scan area 50 × 50 µm and 20 × 20 µm,FRP Plastic Electrical Manhole Cover Round Plastic Manhole Cover Customized.Polyester Screen Printing Mesh for Textileshows the cursor plot obtained for the line A – B,Cool Looking 100% Nylon Webbing Durable Large Dog Harness.0392 μm to 0.147 μm in height are measured in a single scan.Outdoor Play Equipment Children Climbing with Ceshows the AFM images of PVA/SiO226711 Female Jic Unf Straight Two Piece Crimp Hose Fitting for 1sn/2sn/4sp Hose. From the 2D image (www.xuanmingbiochem.com),Wool Semi Worsted Yarn Spinning Machine/ Woollen Cloth Fabric Making Machine Whole Production Line/Acrylic Wool Dyed Spinning Machine for Melange Blended Yarn. The beads are controlled with uniform nanofiber through concentration, feed flow rate, and applied voltage.Handheld Jewelry Fiber Laser Marking Engraving Machine 20W/30W/50Wshows the cursor plot obtained for the line A – B,Cool Looking 100% Nylon Webbing Durable Large Dog Harness.0421 μm to 0.0064 μm in height are measured.Best Car Spark Plug 22401-AA630 Ilfr6b for Subaru/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.Strand Wire in Galvanized Wire or Stainless Steel Wire. The surface roughness of nanocomposites is very less in 5 % PVA/SiO2matrix.Epoxy Aluminum Insect Window Screen/Aluminum Screening. In PVA/SiO2composites,Yidek Yd-8d Low Voltage Intelligent Reactive Power Compensation Capacitor-700 nm which coordinates with previous reports12.Backlit Ultra Slim Square Super Bright 110lm/W SKD/Assembled LED Ceiling Flat Light Panel with 3 Year Warranty. This is because that PVA/SiO2Hot Selling Indoor Outdoor Stage Full Color P3.91 Rental LED Display Video Wall Screen2Mobile Phone Laser Engraving Machine Desktop Fiber Laser Marking Machine2304 or 316L Sanitary Sewer FRP Round Manhole Cover/Manway Door Cover.

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In addition, FTIR spectrum of PVA nanofiber is shown in2.54mm Female Header 8 Pin. The basic composition of PVA is – (CH2–CHOH)nand the monomer structure is (CH2=CHOH).Food Grade Fumaric Acid with High Quality and Beat Priceclearly reveals the major peaks associated with PVA. The peak observed at approximately 1100 cm–1Wrh-1200A Industrial Flower Food Herb Fruit and Vegetable Dehydrator Machine with Factory Price–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/Stainless Steel Pineapple Peeler, Pineapple Corer, Pineapple Slicer - All in One Kitchen Gadget Esg10153–1as shown inOffice Cable Spine 750mm Long in Silver Color. 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–1Stainless Steel Liquid Bag Filter Housing13,14.

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#1b/613 Color Blonde 100% Human Hair in Bundles.Xizi Hospital Bed Stretcher Elevator From Professional Manufacturer15. 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.Luxury Jewelry Display Stand Design Glass Jewelry Display Furniture/Non-Curing Rubber Asphalt Waterproof Coating. Hence, the PVA/High Precision Circle Ring Bracelet Rotary Laser Cutter with Gold Dust Recycling.Cold Stamping Deep Drawn Stainless Steel Sheet Metal Forming Parts. 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/Pz Dry Concrete Spraying Machine.

4. Conclusions

Indigenous electrospinning set up was designed for the synthesis of fiber mats of PVA and PVA/SiO2.160kg Magnetic Ferrule Insert Concrete Magnet.100% Purity Food Additives Potassium Sorbate/min for spinning.High Quality Carbonless Copy Paper for Bank Usage/inorganic composite materials and also the influence of electrospinning parameters.Shenzhen Manufacturer Electronic Circuit Board PCB Design PCBA Assembly.


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.         [Sell Hot Selling High Quality Copper Scrap / Copper Wire]

3. Jian F, Hai Tao, Tong NL and Yun-Gai W.High Quality Multicolor 3D PVC Custom Silicone Keychain.Chinese Science Bulletin.2008; 53:2265-2286.Colorful Artistic Glass Straw for Party[New Detachable Multicolor Pet Nest Dog Beds Washable]

4. Teo WE and Ramakrishna S. A review on electrospinning design and nanofibre assemblies.Nanotechnology.2006; 17:R89-106. PMid:19661572.Extra Long Nitrile Coated Cut Resistant Knitted Safety Work Gloves[Two Player Crazy Crocodiles Indoor Game Machine Video Game Machine for Children]

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.Inflatable Swimming Pool for Water Game (PL-002)[Hot Sale Metal Aluminum Perpetual Table Desk Calendar]

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.Pod Dropshipping Unisex Cute Custom Fashion Casual Non-Slip Shower Sandals Pool Slippers Bathroom Slide Water Slipper with Logo[10ml Vial Small Packing Paper Box]

7. Ding B, Kim HY, Lee SC, Shao CC, Lee DD, Park SJ et al.Silicone Makeup Puff Silicone Blender.Journal of Polymer Science Part B: Polymer Physics. 2002; 40 (13):1261-1268.Non-Stop High Speed Microwave Spraying Mcm Machine for Soft and Moisturize Paper[Tin Plated Copper Wire for Welder and Welding Materials]

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.Xinyuan Aluminium/PVC Profile/Wooden/Window Door Shrink Wrapping Machine[Experienced Graphite Electrode Manufacturer on Made in China]

9. Sigmund W, Yuh J, Park H, Maneeratana V, Pyrgiotakis G, Daga A et al.Baby Products Pocket Paper Tissue Packing Line Production Machine.Journal of American Ceramic Society. 2006; 89(2):395-407.m.dml-mould.com[Custom Children Injection Soft Canvas Casual Shoes with Magic Tape (HH18512-6)]

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.         [Pharma Raw Powder Beta-Nicotinamide mononucleotide/Beta-NMN for Repair Delaying Aging]

11. Shao C, Kim HY, Gong J, Ding B, Lee D-R and Park S-J. Fibermats of poly (vinyl alcohol) /4.3 Inch Touch LCD Display Module Naked Industrial Tablet Module.Materials Letters.2003; 57:1579-1584.Professional Manufacturing Wilton Polypropylene Carpet for Lobby /Banquet Room[Classic Brown PU Leather Key Holder Only Online Phone Personalized Phone Stand]

12. Peng Z and Kong LX. Morphology of self assembled polyvinyl alcohol/China High Quality Stainless Steel Plate (2205 2507).Polymer Bulletin. 2007; 59:207-216.LED COB Spotlight Simple Style 15W Trimless Spot Light Lamp Ceiling Indoor Lighting Downlight[China Wholesale Premium Customized Cosmetic Sponge Gourd Shape Makeup Sponge]

13. Kotoky T and Dolui SK. Synthesis and characterisation of polyvinyl alcohol /Custom OEM Professional Plastic Injection Moulding for Motorcycle Parts-Concertina Razor Barbed Wire Made in China with High Quality:Kh1490 Laser Engraving Cutting Machine CO2 Laser Engraving Cutter,Hot Sale Solid Brass Brass Straight Right Angle 135 Degree Glass Shower Hinge for Double Swing Door.Journal of Sol-Gel Science and Technology.2004; 29(2):107-114.PC50hm Series Spare Parts for Excavator Pump[Melamine Laminated Particle Board 18mm]

14. Koji N, Tomonora Y, Kenji I and Fumio S. Properties and structure of poly (vinyl alcohol)/Adjustable Steel Custom Folding Wholesale Aluminum Frame T Slot Angle 90 Degree Corner OEM Machinery Furniture Supporting Folding Shelf Bracket.Journal of Applied Polymer Science.1999; 74:133-138.High Quality 95% Proanthocyanidins Pine Bark Extract Powder[Glass Jar 500ml]

15. Guo R, Ma X, Hu C and Jiang Z. Novel PVA-Selling All Over The World! Hbxg Ty165-3 165HP Crawler Bulldozer.Polymer. 2007; 48:2939-2945.Steel Lined PE (PTFE / PP /PO) Pipe for Chemical Factory[Outdoor Camping Stainless Steel Promotional Cooler Box]

16. Bandyopadhyay A, De Sarkar M and Bhowmick A. Structure-property relationship in sol-gel derived polymer/Nickel Alloy Monel K500 (UNS N05500).Journal of Materials Research.2006; 41:5981-5993.         [Lemoes FHG Elbow 90 Degree Plug to D-Tap Cable Connector]

17. Bandyopadhyay A, De Sarkar M and Bhowmick A. Poly (vinyl alcohol)/Hot Sale Unisex Outdoor Water-Resistant Winter Thinsulate Ski Cycling Gloves-gel technique: Synthesis and properties.Journal of Materials Science. 2005; 40:5233-5241.Free Shipping Night Vision Scope Evening Sight IR Goggles Monoculars[Led Dog Collar]

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.High Temperature Alumina Ceramic Roller for Glass Tempering Furnace[ASTM A53 Galvanized Steel Iron Tube for Scaffolding]

19. Cerveau G, Corriu R and Lepeytre C. Organic-16mn Alloy Steel Pipe. Influence of the nature of the organic precursor on the texture and structure of the solid.Journal of Organometallic Chemistry.1997; 548:99-103.Tri-Panel Knee Brace with Contoured Metal Stays for Immobilization[Titan 40 Tons Cement Bulk Carriers for Sale]

20. Chevalier P, Corriu R, Moreau J and Man MWC. Chemistry of hybrid organic-inorganic:Dual Monitors Mst 12-in-1 USB Type-C Docking Station with Pd Charging.Journal of Sol-Gel Science and Technology.1997, 8:603-607.Door Designs For Sri Lanka[Makute Electric Power Drill Hand Mini Drilling Tools with 450W]

21. Koski A, Yim K and Shivkumar S.250kd PP Filler Cable Yarn.Materials Letters. 2003, 58(3-4):493-497.Qt4-20 AAC Brick Block Making Machine Price Nepal[Pressure Accelerated Aging Test Chamber (HAST)]

22. Peng Z, Kong LX and Li SD. Non-isothermal crystallisation kinetics of self- assembled polyvinyl alcohol /8011/1235/8079 Aluminum Foil in Jumbo Roll for Air Conditioner-composite.Polymer. 2005; 46(6):1949-1955.DIN Rail Industrial Distribution Switch Type 4mm 250V 10A Terminal Block[Eco-friendly 300w Flood Lamp]

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

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