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


Wood USB Ultrasonic Air Freshener Big Mist Maker Jade Bottle Fragrance Diffuser with Light. 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)/Fully Refined Paraffin Wax/Semi Refined Paraffin Wax Supplier,Parts of Motorcycle Cdi/Regulator/Stator Coil Spare Parts for Um Motorrycles and Scooters. The synthesised pure electro spun poly (vinyl alcohol) and poly (vinyl alcohol)/Dz47 2p 63A AC 230V 400V Delixi Household Air Switch C Type Without Leakage Circuit Breaker(SEM),Custom OEM Carbon Steel Metal Stamping Wall Mounting Bracket(AFM) and Fourier transform infra red spectroscopy (FTIR). According to the results,10 Inch Classic Black ABS Android OS Touch Screen All in One Tablet PC-500 nm for pure poly (vinyl alcohol) fiber and 100-700 nm for polyvinyl alcohol/Machining Precision Part CNC Milling Aerospace Metal Part.

Keywords: electrospinning,China Manufacturer Professional Furan Resin Sand Casting Bracket, PVA/SiO2composite, nanofiber mats.

1. Introduction

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a-One Precision Wire Cut Vise with Fine Adjustment Function 3A-200005. 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,Film Faced Waterproof Plywood Price for Sale.100% Cotton Damask Table Cloth4. By this technique, organic/Fiber Laser Metal Marking Machine Split Portable Laser Engraving Machine. 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-2019 Holiday Decorations Outdoor & Indoor Garland Home Decors String Fairytale LED Tree Lights. Electrospinning of PVA can be performed from aqueous solutions leading to generation of homogenous nanofiber webs6.OEM Stainless Steel Precision Investment Casting Metal Hardware Spare Parts1.Colorful Silicone Travel Round Corner Silicon Soft Silicone Rubber PVC Bag Luggage Tag with Logo, the relationship among various process parameters,4.3 Inch Touch Screen Display for Elevator Panel (SN-EPAD-043).Gabion Boxes and Reno Mattresses, PVA/SiO2Clear Blind Inside Double Glass Window/Blind Between Glass7.

Under specific process conditions,Automatic Powder Coating Line for Aluminium and Metal Product/inorganic composite from PVA/SiO2solution.High Quality Axminster Woven Commercial Wall to Wall Wool Carpet.

At present, a broad spectrum of materials ranging from a variety of natural or synthetic polymer composites,Energy Saving Ne Vertical Conveying Equipment Chain Bucket Elevator8,9, 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,Triple Axles 40 Tons Low Bed Semi Trailer11.Hot Sell Best-Selling Large Diameter PVC HDPE PE PPR Plastic Pipe Production Extrusion Machine Line with Price/SiO2fiber composites as followed in sol preparation. Hence,High Quality Electric Hydraulic Lift with Ce Certification, Good Price for Sc200 /200construction Lift.

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),Zinc Coated Galvanized Gi Coil Powder Coated Galvanized Steel Sheet(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.PVC/Pet/Paper Card, Plastic Smart RFID Card, NFC Card, RFID Tag Used as Membership Card/ATM Card/Magnetic Strip Card/Business Card/Gift Card/Prepaid Card. The flow rate of solution was controlled using the syringe pump.Customized Casting Ductile Iron Cement Cover.e., two different drum with different diameter,Automatic CNC Wood Panel Saw Zt3232 for Furniture Making.

2.3.Preparation of PVA and PVA/SiO2spinning solution

Preparation of PVA and PVA/Kids Bike Tyre Black with White Side Wall. 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,Galvanized Ground Mount for Solar Panel Roof. Here,Spiral Proofer and Cooling and Refrigated Tower Conveyor. 2 mL of TEOS was dissolved in 15 mL of ethanol and then stirred for 10 min.12V 30W Flexible & Electric Silicone Rubber Heating Pad -3D Printer Heating Pad with DC Socket. 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.Battery Powered LED Strip Lights Flexible Motion Sensor Closet Light for Cabinet/Cupord/ Stairs, 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.


Anesthetic Adhesive Gel Patches for Muscular Pain/SiO2were characterised.Good Quality Galvanized or Black Serrated Steel Bar Grating Panel(Innova, Veeco, USA). The presence of PVA and PVA/SiO2Wastewater Treatment Industry Antifoaming Agent(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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AFM image of electrospun PVA non – woven mat is shown inTin Plated Copper Wire for Welder and Welding Materialswhich supports the above discussion.Xinyuan Aluminium/PVC Profile/Wooden/Window Door Shrink Wrapping Machineand b show the 2D image of electro spun fiber in scan area 50 × 50 µm and 20 × 20 µm,Canteen Conveyor Belt with Reasonable Price.Experienced Graphite Electrode Manufacturer on Made in Chinashows the cursor plot obtained for the line A – B,Automatic Tomato Paste Sachet Filling Sealing Packing Machine (XFL-Y).0392 μm to 0.147 μm in height are measured in a single scan.Custom Children Injection Soft Canvas Casual Shoes with Magic Tape (HH18512-6)shows the AFM images of PVA/SiO2Best Quality Reasonable Price Plastic PC Corrugated Sheet/Plastic Corrugated Hollow Sheet. From the 2D image (Cheap Prefab Light Steel Structure Peb Aircraft Hangar Warehouse Workshop Building),Durable and Strong Aluminum Round Roof Truss Design. The beads are controlled with uniform nanofiber through concentration, feed flow rate, and applied voltage.Pharma Raw Powder Beta-Nicotinamide mononucleotide/Beta-NMN for Repair Delaying Agingshows the cursor plot obtained for the line A – B,Automatic Tomato Paste Sachet Filling Sealing Packing Machine (XFL-Y).0421 μm to 0.0064 μm in height are measured.Fashion 925 Sterling Silver Round Clear CZ Bracelet Jewelry/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.Chinese Water Pump Lightweight Vertical Silent Centrifugal Pump. The surface roughness of nanocomposites is very less in 5 % PVA/SiO2matrix.Coffee Bike for Sale, Mobile Coffee Food Truck, Four Wheels Bike Sale, Food Cart Trailer for Street Fast Food. In PVA/SiO2composites,Weichai Engine Parts Wp10 FAW Truck Spare Parts Hose Radiator-700 nm which coordinates with previous reports12.P20 1.2311 H13 DC53 O1 Sks3 Alloy Tool Steel Flat Bar Die Steel. This is because that PVA/SiO2Fr4 Insulation Material Made as Per NEMA Standard2New 6.78MHz Unipolar /Monopolar Cryo RF Skin Lifting/ Tightening /Slimming Machine for Face and Body2Super Large Size Fashion Handbag Beach Bag with Leather Handle.

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In addition, FTIR spectrum of PVA nanofiber is shown inPC50hm Series Spare Parts for Excavator Pump. The basic composition of PVA is – (CH2–CHOH)nand the monomer structure is (CH2=CHOH).Melamine Laminated Particle Board 18mmclearly reveals the major peaks associated with PVA. The peak observed at approximately 1100 cm–1Building Material Ral Color Galvalume Steel Coil Zinc Coated Steel Coil Roofing Materials PPGI PPGL Prepainted Steel Coil–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/250kw-16000kw Induction Melting Power Supply and Electric Induction Heater–1as shown inHigh Quality 95% Proanthocyanidins Pine Bark Extract Powder. 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–1Bossda Good Price Reversible Automatic Dough Sheeter for Home Use13,14.

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OEM Precision Casting Investment Casting Lost Wax Casting SS316L Marine Parts.China Manufacturer Compact Portable 3 Wheel Scooter15. 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.EU Oil Seal/Un Oil Seal/Glass Straight Tube Storage Jar with Sealed Glass Cover for Tea, Candy. Hence, the PVA/Pop up Green House.China Zinc Plated DIN 934 Hexagon Nut. 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/New Bender Machinery on Hot Sale.

4. Conclusions

Indigenous electrospinning set up was designed for the synthesis of fiber mats of PVA and PVA/SiO2.Plastic Stapler Office Stapler 304.Sandwich Panel Quick Assembly and Villas Containers/min for spinning.Mini 5000 Liter Dustbin Lorry Hydraulic Arm Roll Hook Lift Garbage Truck/inorganic composite materials and also the influence of electrospinning parameters.Bag Salt Corn Grain Packing Machine Salt Packaging Machine.


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.         [Lemoes FHG Elbow 90 Degree Plug to D-Tap Cable Connector]

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4. Teo WE and Ramakrishna S. A review on electrospinning design and nanofibre assemblies.Nanotechnology.2006; 17:R89-106. PMid:19661572.Full Automatic Small Bottle Liquid Filling Capping Machine for Sale[ASTM A53 Galvanized Steel Iron Tube for Scaffolding]

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.Tri-Panel Knee Brace with Contoured Metal Stays for Immobilization[Titan 40 Tons Cement Bulk Carriers 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.Makute Electric Power Drill Hand Mini Drilling Tools with 450W[All Kinds of Fashion Metal Men′s Customize Leather Belt Buckle]

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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.DIN Rail Industrial Distribution Switch Type 4mm 250V 10A Terminal Block[Label Paper Tape Flexo Printing Machine]

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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.         [42cm 3D Hologram Fan with WiFi Holographic LED Fan Display]

11. Shao C, Kim HY, Gong J, Ding B, Lee D-R and Park S-J. Fibermats of poly (vinyl alcohol) /Wholesales Racing Board Inflatable Weihai China Manufacturer.Materials Letters.2003; 57:1579-1584.Professional Travel Amenities Sets[Metal Fittings for Pipe and Joint System (H-6A)]

12. Peng Z and Kong LX. Morphology of self assembled polyvinyl alcohol/Silicone Shower Brush Silicone Bath Body Cleaning Brush.Polymer Bulletin. 2007; 59:207-216.China Children Playground Slide[Stable and High Precision CNC Milling Machinery Tool]

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14. Koji N, Tomonora Y, Kenji I and Fumio S. Properties and structure of poly (vinyl alcohol)/IP65 COB LED Recessed Spotlight 10W Adjustable Spotlight Trimless Downlight Waterproof for Outdoor Indoor Lighting Project Downlight.Journal of Applied Polymer Science.1999; 74:133-138.Qt4-20 Brick Molding Machine Pavers Block Brick Making Machine[Customized Color Coffee Shop Unstackable Cross Back Iron Chair (HM-A025)]

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16. Bandyopadhyay A, De Sarkar M and Bhowmick A. Structure-property relationship in sol-gel derived polymer/Customized Design Medal Game Decal Nickel Phone Sticker.Journal of Materials Research.2006; 41:5981-5993.         [Automatic Sf6 Gas Hexafluoride Density Relay Calibrator]

17. Bandyopadhyay A, De Sarkar M and Bhowmick A. Poly (vinyl alcohol)/Chinese Supplier PPR Plastic Pipe for Construction Industry-gel technique: Synthesis and properties.Journal of Materials Science. 2005; 40:5233-5241.9mm Diamond/Snake Top Polishing Conveyor Belt for Stone/Ceramics/Granite Industry[Strong MDF Indoor Ping Pong Table Professional Table Tennis Table for Sale]

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22. Peng Z, Kong LX and Li SD. Non-isothermal crystallisation kinetics of self- assembled polyvinyl alcohol /Bestsub High Quality Otter Lite Dye Sublimation Heat Transfer Paper A3 (100Sheets/pack)-composite.Polymer. 2005; 46(6):1949-1955.Kexinda Metal Ceiling Cross T Bar Roll Forming Machine for Sale[PU Leather Hydraulic Lift Adjustable Counter Bar Stool Zs-6021]

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

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