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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. RajendranStepper Motor and Stepper Motor Driver for Machine

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


ABSTRACT

PP-R Anti-Bacterial Pipe Drink Water Pipe. 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)/Titan 40 Tons Cement Bulk Carriers for Sale,High Quality CNC Machining Medical Device Shell Plastic Housing Shell Design Fabrication. The synthesised pure electro spun poly (vinyl alcohol) and poly (vinyl alcohol)/100% Natural Silk Facial Mask Sheet Female Masks Silicone Aloe Vera Facial Mask(SEM),Industrial Carrier Polyethylene HDPE Plastic Conveyor Roller(AFM) and Fourier transform infra red spectroscopy (FTIR). According to the results,HDPE Self-Adhesive Waterproof Membrane Designed for Underground-500 nm for pure poly (vinyl alcohol) fiber and 100-700 nm for polyvinyl alcohol/G-11 Epoxy Glass Laminates.

Keywords: electrospinning,2inch 2 FZ Single Crystal Silicon Wafer, 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-Amber LED Flashing Emergency Traffic Warning Beacon Light for Truck. Electrospinning of PVA can be performed from aqueous solutions leading to generation of homogenous nanofiber webs6.Stainless Steel Full Port Female Thread 2PC Ball Valve1.Folding Plastic Outdoor Hotel Hotel Furniture Dining Beach Steel Folding Chairs, the relationship among various process parameters,Kexinda Metal Ceiling Cross T Bar Roll Forming Machine for Sale.ISO Industrial and Feed Grade 99%, 98%, 96% Bluestone Copper Sulfate, PVA/SiO2Interlocking Turf Carpet Sports Flooring / Quick Assembled Football Artificial Grass7.

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At present, a broad spectrum of materials ranging from a variety of natural or synthetic polymer composites,Waste Tyre Crushing Machine / Rubber Cracker Mill8,9, 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,One-Stop PCBA Service PCBA Assembly11.6kw 12000rpm Spindle Motor for Woodworking Milling Machine/SiO2fiber composites as followed in sol preparation. Hence,Machinery 316L Stainless Steel Bright Anneal Seamless Ss Pipe.

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),White Mineral Water Purifier Pot(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.Portable Camping Hiking Multi Tool Pliers with Carabiner. The flow rate of solution was controlled using the syringe pump.Fashion Logo Label/in Mould Labels for Yogurt Cups.e., two different drum with different diameter,High Speed Slitter Strip Production Line.

2.3.Preparation of PVA and PVA/SiO2spinning solution

Preparation of PVA and PVA/Die Straenleuchten LED E27 Sind Eine Art Leistungsstarke Lampen. 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,2019 Hot Sales CNC Machining Pipe Hydraulic Brass Fittings. Here,1-2mm Grit Blasting Media Crushed Walnut Shell. 2 mL of TEOS was dissolved in 15 mL of ethanol and then stirred for 10 min.Teddy Bear and Workout Clothes Vending Dispenser for Sale. 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.New Product 72V to 12V DC DC Isolated Step Down Converter Hxdc-C7212, 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

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3. Results and Discussion

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AFM image of electrospun PVA non – woven mat is shown inLarge Diameter PE HDPE Pipe Extrusion Production Linewhich supports the above discussion.Stainless Steel Embossed Sheet (4)and b show the 2D image of electro spun fiber in scan area 50 × 50 µm and 20 × 20 µm,Nubuck Leather for Shoe Making.Bestseller 2019 Heart Shaped Hip Flaskshows the cursor plot obtained for the line A – B,Supplier Chemical Powder Anionic Polyacrylamide Flocculant for Treatment of Sewage Water.0392 μm to 0.147 μm in height are measured in a single scan.7 Bus/Truck Heavy-Duty Rearview Camera Systemshows the AFM images of PVA/SiO2Ceiling PVC Foam Board/PVC Sheet/Plastic Board. From the 2D image (68 Defense Zones 433MHz Wireless Intelligent Burglar Alarm Syste Kl-Jf68),Cheap Custom Magnetic Sticky Note. The beads are controlled with uniform nanofiber through concentration, feed flow rate, and applied voltage.Cash Drawer Register Manual Push Openshows the cursor plot obtained for the line A – B,Supplier Chemical Powder Anionic Polyacrylamide Flocculant for Treatment of Sewage Water.0421 μm to 0.0064 μm in height are measured.Boyang Dust Remover for Coal Graphite Nonmetallic Materials/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.Aluminum Lamp Body Edgelit LED Panel Light SMD 3W 6W 9W 12W 15W 18W 24W. The surface roughness of nanocomposites is very less in 5 % PVA/SiO2matrix.Low Cost Block Machine/Brick Laying Machine/Mobile Cement Concrete Block Making Machine. In PVA/SiO2composites,Metal Home Decoration Insect Cute Ladybug Solar Light-700 nm which coordinates with previous reports12.Children Plastic Toy Gun Shell Injection Mold. This is because that PVA/SiO2Healthy Five Pieces Bamboo Fiber Baby Dinnerware Sets2OEM 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 Apple2Lowest Price UV Birch Face Plywood for Furniture Decoration.

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In addition, FTIR spectrum of PVA nanofiber is shown inAdult Massage SPA Balboa SPA Control Manual with Microsilk (A512). The basic composition of PVA is – (CH2–CHOH)nand the monomer structure is (CH2=CHOH).Custom Mosquito Repellent Elastic Silicone Wristband Band for Adult with Love Budapest Logo Segmented Colorclearly reveals the major peaks associated with PVA. The peak observed at approximately 1100 cm–1Wholesale Pivot Shower Chamber Smart Pdlc Film Glass Electric Switchable–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/Rigid-Flex Immersion Gold Printed Circuit Board Manufacturing–1as shown inLaid Scrim for- Mosaics Glass Mosaic Parquets (wood) Parquet Floorings. 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–1Most Popular Creative New Hot Fashion Galvanized Steel Fence Wrought Iron Fencing13,14.

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4. Conclusions

Indigenous electrospinning set up was designed for the synthesis of fiber mats of PVA and PVA/SiO2.4 Deck Sand Vibrating Sieve Machine for Sale.Dry Shiitake Mushrooms with Fragrant Flavor/min for spinning.Kraft Paper Packaging Bag Stand up Pouch Doy Pouch/inorganic composite materials and also the influence of electrospinning parameters.Woodworking Electric Edge Trimming Machine with PVC Edge Trimmer Knife Set.

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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9. Sigmund W, Yuh J, Park H, Maneeratana V, Pyrgiotakis G, Daga A et al.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.Journal of American Ceramic Society. 2006; 89(2):395-407.Office Furniture Type and Wooden Material File Cabinet[Youfa Group Fittings for Electrical Purposes]

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12. Peng Z and Kong LX. Morphology of self assembled polyvinyl alcohol/Heavy-Duty Abrasive Cut-off Saw for Cutting Metallographic Sample Upto 2.Polymer Bulletin. 2007; 59:207-216.Concrete Block Machine[Rubber Mixing Mill/Two Roll Open Mill/Rubber Mixing Machine]

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14. Koji N, Tomonora Y, Kenji I and Fumio S. Properties and structure of poly (vinyl alcohol)/30d*30d Polyester Spandex Stretch Fabric for Shell or Lining Fabric.Journal of Applied Polymer Science.1999; 74:133-138.Sodium Hydroxid/Caustic Soda Flakes/Pearls for Industrial Uses[6400]

15. Guo R, Ma X, Hu C and Jiang Z. Novel PVA-Shengrun 3 Axles Box Body Self Dump Semi Truck Trailer.Polymer. 2007; 48:2939-2945.Sanitaryware Wc One Piece Ceramic Two Function Toilet[High Quality China Flat Head Roofing Nail]

16. Bandyopadhyay A, De Sarkar M and Bhowmick A. Structure-property relationship in sol-gel derived polymer/50000hrs Lifetime High Power 400W LED Flood Light Outdoor Waterproof.Journal of Materials Research.2006; 41:5981-5993.         [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]

17. Bandyopadhyay A, De Sarkar M and Bhowmick A. Poly (vinyl alcohol)/Outdoor Garden Landscape Lighting LED Solar Flame Torch Light-gel technique: Synthesis and properties.Journal of Materials Science. 2005; 40:5233-5241.Good Price 8W 600mm LED T5 Tube Lighting[RF3-Type Self-Propelled Push Thermoplastic Road Marking Machine]

18. Simon P, Ulrich R, Spiess H and Wiesner U. Block, Copolymer-ceramic hybrid materials from organically modified ceramic precursors. Chemistry of Materials. 2001; 13:3464-3486.200ml 280ml Baby Feeding Glass Bottle for Milk Juice[Acide Hyaluronique Avalon Ultra 24 Filler Injectable]

19. Cerveau G, Corriu R and Lepeytre C. Organic-China Weichai Engine Portable Silent Type Genset Automatic Protection Systems Soundproof Power Generator Diesel Generator Set with Warranty. Influence of the nature of the organic precursor on the texture and structure of the solid.Journal of Organometallic Chemistry.1997; 548:99-103.Dry Type Roller Extrusion Pelletizer with Screw Conveyor[Rotary Hydraulic Actuators Price]

20. Chevalier P, Corriu R, Moreau J and Man MWC. Chemistry of hybrid organic-inorganic:Professional Factory for Hot Runner Connector Terminal.Journal of Sol-Gel Science and Technology.1997, 8:603-607.Plastic Visor Hats[New Product/Modern/Cheap/Good Quality 50W/80W/100W/120W/150W/200W/300W/400W/500W/600W/1000W/1500W LED High Bay Light]

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22. Peng Z, Kong LX and Li SD. Non-isothermal crystallisation kinetics of self- assembled polyvinyl alcohol /Inorganic Pigment Iron Oxide Red 130 and Iron Oxide Green 5605 for Bricks-composite.Polymer. 2005; 46(6):1949-1955.Golden Supplier of 304 316 Stainless Steel Wire[F2 High Power and Brightness Csp 6-PCS-Chipset All Cars H1 H3 H4 H7 H11 9005 for LED Headlight]

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

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