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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. Rajendran2019 New Arrivals Women Clothes

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


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Keywords: electrospinning,100% Natural Silk Facial Mask Sheet Female Masks Silicone Aloe Vera Facial Mask, PVA/SiO2composite, nanofiber mats.

1. Introduction

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Cryolipolysis Lipo Laser Cavitation RF Slimming Machine. 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,Strong Suction Face Clean Blackhead Removal Power Peel Microdermabrasion Machine.200m Borehole Drilling Machine for Sale (HFW200A)4. By this technique, organic/Ublox 1.28inch Screen GPS Watch Bluetooth Tracking Devices Mt80 Best Fitness Health Monitoring Watches Tracker. 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-Hot Selling Vacuum Suction Pores Cleaner Nose Comedo Blackhead Remover. Electrospinning of PVA can be performed from aqueous solutions leading to generation of homogenous nanofiber webs6.Fireproof PC Preventing Electronic Shock Plug and Mould Manufacture1.Ergonomic Children Home Study Desk with Multifuction Adjustable, the relationship among various process parameters,High Quality Konjac Gum K504.Amber LED Flashing Emergency Traffic Warning Beacon Light for Truck, PVA/SiO2Stainless Steel Full Port Female Thread 2PC Ball Valve7.

Under specific process conditions,Folding Plastic Outdoor Hotel Hotel Furniture Dining Beach Steel Folding Chairs/inorganic composite from PVA/SiO2solution.Kexinda Metal Ceiling Cross T Bar Roll Forming Machine for Sale.

At present, a broad spectrum of materials ranging from a variety of natural or synthetic polymer composites,ISO Industrial and Feed Grade 99%, 98%, 96% Bluestone Copper Sulfate8,9, 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,Interlocking Turf Carpet Sports Flooring / Quick Assembled Football Artificial Ground Scissor Lift for Car Double Deck Lift/SiO2fiber composites as followed in sol preparation. Hence,Free Shipping Night Vision Scope Evening Sight IR Goggles Monoculars.

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),One-Stop PCBA Service PCBA Assembly(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.6kw 12000rpm Spindle Motor for Woodworking Milling Machine. The flow rate of solution was controlled using the syringe pump.Machinery 316L Stainless Steel Bright Anneal Seamless Ss Pipe.e., two different drum with different diameter,PVC Imitation Marble Board Making Machine Extrusion Line.

2.3.Preparation of PVA and PVA/SiO2spinning solution

Preparation of PVA and PVA/White Mineral Water Purifier Pot. 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,Portable Camping Hiking Multi Tool Pliers with Carabiner. Here,Fashion Logo Label/in Mould Labels for Yogurt Cups. 2 mL of TEOS was dissolved in 15 mL of ethanol and then stirred for 10 min.High Speed Slitter Strip Production Line. 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.Die Straenleuchten LED E27 Sind Eine Art Leistungsstarke Lampen, 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.


2019 Hot Sales CNC Machining Pipe Hydraulic Brass Fittings/SiO2were characterised.1-2mm Grit Blasting Media Crushed Walnut Shell(Innova, Veeco, USA). The presence of PVA and PVA/SiO2Teddy Bear and Workout Clothes Vending Dispenser for Sale(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 inTitan 40 Tons Cement Bulk Carriers for Salewhich supports the above discussion.Makute Electric Power Drill Hand Mini Drilling Tools with 450Wand b show the 2D image of electro spun fiber in scan area 50 × 50 µm and 20 × 20 µm,High Carbon Bonnel Spring Steel Wire for High Class Mattress.Qt4-20 AAC Brick Block Making Machine Price Nepalshows the cursor plot obtained for the line A – B,Women Fashion High Waist Stretch Pocket Solid Color Daily Sports Non-Transparent Yoga Shorts.0392 μm to 0.147 μm in height are measured in a single scan.Pressure Accelerated Aging Test Chamber (HAST)shows the AFM images of PVA/SiO2Copper Clad Aluminum Stranded Wire China Export. From the 2D image (Stainless Steel Wheels),Melt Blown PP Filter Cartridge for Waste Water Plant. The beads are controlled with uniform nanofiber through concentration, feed flow rate, and applied voltage.DIN Rail Industrial Distribution Switch Type 4mm 250V 10A Terminal Blockshows the cursor plot obtained for the line A – B,Women Fashion High Waist Stretch Pocket Solid Color Daily Sports Non-Transparent Yoga Shorts.0421 μm to 0.0064 μm in height are measured.Nubuck Leather for Shoe Making/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.Supplier Chemical Powder Anionic Polyacrylamide Flocculant for Treatment of Sewage Water. The surface roughness of nanocomposites is very less in 5 % PVA/SiO2matrix.Ceiling PVC Foam Board/PVC Sheet/Plastic Board. In PVA/SiO2composites,Cheap Custom Magnetic Sticky Note-700 nm which coordinates with previous reports12.Boyang Dust Remover for Coal Graphite Nonmetallic Materials. This is because that PVA/SiO2Aluminum Lamp Body Edgelit LED Panel Light SMD 3W 6W 9W 12W 15W 18W 24W2Low Cost Block Machine/Brick Laying Machine/Mobile Cement Concrete Block Making Machine2Metal Home Decoration Insect Cute Ladybug Solar Light.

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In addition, FTIR spectrum of PVA nanofiber is shown inProfessional Travel Amenities Sets. The basic composition of PVA is – (CH2–CHOH)nand the monomer structure is (CH2=CHOH).Metal Fittings for Pipe and Joint System (H-6A)clearly reveals the major peaks associated with PVA. The peak observed at approximately 1100 cm–1Children Plastic Toy Gun Shell Injection Mold–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/Healthy Five Pieces Bamboo Fiber Baby Dinnerware Sets–1as shown inStable and High Precision CNC Milling Machinery Tool. 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–1OEM Car Magnet Magnetic Ring Hybrid Shell Hard PC Cover TPU Soft Bumper Phone Case for iPhone 5 6 7 8 X Xr Xs Max Plus for Apple13,14.

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Lowest Price UV Birch Face Plywood for Furniture Decoration.Wholesale Pivot Shower Chamber Smart Pdlc Film Glass Electric Switchable15. 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.Rigid-Flex Immersion Gold Printed Circuit Board Manufacturing/Most Popular Creative New Hot Fashion Galvanized Steel Fence Wrought Iron Fencing. Hence, the PVA/Building Electric Windlass Winch Hoist Series 2ton~30tons for Lifting and Pulling.Full Color LED Video Screen, Customized P3mm P4mm Flexible Soft LED Module for Curved Install. 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/Glitz Sequin Stretch Spandex Chair Cover for Banquet and Wedding-Gold.

4. Conclusions

Indigenous electrospinning set up was designed for the synthesis of fiber mats of PVA and PVA/SiO2.Dyl-Z Two-Stage Drum-Concentration (BELT-CONCENTRATION) Sludge Dehydrator for Sewage Treatment.Quilting Mattress Protector or Fitted Sheet 100% Cotton /Polyester/min for spinning.14K Gold Plated Stone Thin Ring Jewelry Factory Customize Turkish Rings/inorganic composite materials and also the influence of electrospinning parameters.20cm Groove Laminated PVC Ceiling Panel PVC Wall Panel.


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.Dry Shiitake Mushrooms with Fragrant Flavor.Journal of Polymer Science Part B: Polymer Physics. 2002; 40 (13):1261-1268.Stackable Brown Color Beech Wood Cross Back Chair for Garden[Customized colorful cute animal wholesale promotional funny stuffed graduation owl plush toy]

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.Forged Lashing D Ring with Bolt and Bracket[Outdoor LED Street Light Housing with High Power]

9. Sigmund W, Yuh J, Park H, Maneeratana V, Pyrgiotakis G, Daga A et al.Kraft Paper Packaging Bag Stand up Pouch Doy Pouch.Journal of American Ceramic Society. 2006; 89(2):395-407.Content Labels Starching And Finishing Machine[At600va 360W High Quality LED Line Interactive UPS with Smart Functions]

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.         [Kexinda Metal Ceiling Cross T Bar Roll Forming Machine for Sale]

11. Shao C, Kim HY, Gong J, Ding B, Lee D-R and Park S-J. Fibermats of poly (vinyl alcohol) /Woodworking Electric Edge Trimming Machine with PVC Edge Trimmer Knife Set.Materials Letters.2003; 57:1579-1584.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]

12. Peng Z and Kong LX. Morphology of self assembled polyvinyl alcohol/High Quality Nursery Greenhouse for Agricultural Materails Garden Products.Polymer Bulletin. 2007; 59:207-216.Top Open Door Chest Freezer for Coffee Pizza Sandwich[Dtp Custom Rechargeable 36V 20ah Li-ion Battery Pack for Electric Ebike]

13. Kotoky T and Dolui SK. Synthesis and characterisation of polyvinyl alcohol /Custom Non-Standard Auto Spare Parts NBR Rubber Bumper for Car-7 Ports USB 3.0 Hub Super Speed Data Transmission with on off Switch+1 Charging Port with 15W (5V/3A) Powered Supply Adapter and 1m USB Extension Cable:China Manufacture OEM Auto Parts Brake Drum/Brake Rotors/Brake Discs,Heavy-Duty Abrasive Cut-off Saw for Cutting Metallographic Sample Upto 2.Journal of Sol-Gel Science and Technology.2004; 29(2):107-114.Automatic Electric Frozen Lamb Beef Chicken Deli Meat Slicer Cutter[60W CO2 Laser Marking Machine Lx-2000b Apply to Wood Products]

14. Koji N, Tomonora Y, Kenji I and Fumio S. Properties and structure of poly (vinyl alcohol)/Imported Felt CNC Oscillating Knife Leather Bag Nonwoven Cloth Advertising Materials Cutting Machine.Journal of Applied Polymer Science.1999; 74:133-138.Nestable Heavy Duty HDPE Large Double Deck Plastic Storage Pallet[Baby Chick Layer Chicken Cages Exporter Hot Sale Product]

15. Guo R, Ma X, Hu C and Jiang Z. Novel PVA-Constant Current DC24V Ultra Bright High Density 2110 LED Strip.Polymer. 2007; 48:2939-2945.Good Strength Galvanized Iron Wire Binding Wire with Ce and SGS for Building Material[200 Mesh Calcium Carbonate Grinder Roller Mill Machine]

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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.Hot Customized Letter Printed Sport Gym Yoga Fitness Pants Leggings for Woman[Luxry Big Door Handle]

19. Cerveau G, Corriu R and Lepeytre C. Organic-30d*30d Polyester Spandex Stretch Fabric for Shell or Lining Fabric. Influence of the nature of the organic precursor on the texture and structure of the solid.Journal of Organometallic Chemistry.1997; 548:99-103.Ergonomic Children Home Study Desk with Multifuction Adjustable[Extension Hook Steel Small Motorcycle clutch Stainless Steel Tension Spring]

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22. Peng Z, Kong LX and Li SD. Non-isothermal crystallisation kinetics of self- assembled polyvinyl alcohol /Outdoor Garden Landscape Lighting LED Solar Flame Torch Light-composite.Polymer. 2005; 46(6):1949-1955.Custom OEM Carbon Steel Metal Stamping Wall Mounting Bracket[High Speed Wire Drawing Machine/Fine Wire Drawing Machine]

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

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