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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. RajendranHigh Quality PVC Ceiling Sheet Best Price Decorative Fireproof PVC Wall Panels

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


ABSTRACT

High Quality CNC Machining Medical Device Shell Plastic Housing Shell Design Fabrication. 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)/100% Natural Silk Facial Mask Sheet Female Masks Silicone Aloe Vera Facial Mask,Industrial Carrier Polyethylene HDPE Plastic Conveyor Roller. The synthesised pure electro spun poly (vinyl alcohol) and poly (vinyl alcohol)/HDPE Self-Adhesive Waterproof Membrane Designed for Underground(SEM),G-11 Epoxy Glass Laminates(AFM) and Fourier transform infra red spectroscopy (FTIR). According to the results,2inch 2 FZ Single Crystal Silicon Wafer-500 nm for pure poly (vinyl alcohol) fiber and 100-700 nm for polyvinyl alcohol/Cryolipolysis Lipo Laser Cavitation RF Slimming Machine.

Keywords: electrospinning,Strong Suction Face Clean Blackhead Removal Power Peel Microdermabrasion 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-Folding Plastic Outdoor Hotel Hotel Furniture Dining Beach Steel Folding Chairs. Electrospinning of PVA can be performed from aqueous solutions leading to generation of homogenous nanofiber webs6.Kexinda Metal Ceiling Cross T Bar Roll Forming Machine for Sale1.ISO Industrial and Feed Grade 99%, 98%, 96% Bluestone Copper Sulfate, the relationship among various process parameters,Interlocking Turf Carpet Sports Flooring / Quick Assembled Football Artificial Grass.in Ground Scissor Lift for Car Double Deck Lift, PVA/SiO2Free Shipping Night Vision Scope Evening Sight IR Goggles Monoculars7.

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At present, a broad spectrum of materials ranging from a variety of natural or synthetic polymer composites,6kw 12000rpm Spindle Motor for Woodworking Milling Machine8,9, 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,Machinery 316L Stainless Steel Bright Anneal Seamless Ss Pipe11.PVC Imitation Marble Board Making Machine Extrusion Line/SiO2fiber composites as followed in sol preparation. Hence,White Mineral Water Purifier Pot.

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),Fashion Logo Label/in Mould Labels for Yogurt Cups(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.High Speed Slitter Strip Production Line. The flow rate of solution was controlled using the syringe pump.Die Straenleuchten LED E27 Sind Eine Art Leistungsstarke Lampen.e., two different drum with different diameter,2019 Hot Sales CNC Machining Pipe Hydraulic Brass Fittings.

2.3.Preparation of PVA and PVA/SiO2spinning solution

Preparation of PVA and PVA/1-2mm Grit Blasting Media Crushed Walnut Shell. 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,Teddy Bear and Workout Clothes Vending Dispenser for Sale. Here,New Product 72V to 12V DC DC Isolated Step Down Converter Hxdc-C7212. 2 mL of TEOS was dissolved in 15 mL of ethanol and then stirred for 10 min.49 Inch 10 Point Capacitive Touch Screen with Windows System. 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.EL Stage Light for Wedding Stage Decoration Projector Colorful DMX LED Kinetic Light Factory, 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 in1.2 mm Diameter Welded Wire Mesh 1 X 1 Inch Hole for Chicken Cagewhich supports the above discussion.OEM Glass Sport Travel Car Shaker Water Bottle with Tea Infuserand b show the 2D image of electro spun fiber in scan area 50 × 50 µm and 20 × 20 µm,Ceiling PVC Foam Board/PVC Sheet/Plastic Board.Modern Home Furniture Living Room Genuine Leather Sofa Set Lz525shows the cursor plot obtained for the line A – B,Cheap Custom Magnetic Sticky Note.0392 μm to 0.147 μm in height are measured in a single scan.Sign Megnetic Sticker /Removable Weekly Planner for Fridgeshows the AFM images of PVA/SiO2Boyang Dust Remover for Coal Graphite Nonmetallic Materials. From the 2D image (Retail Security Anti-Theft 58kHz EAS Soft Tag Strips Sticker Am Dr Label),Aluminum Lamp Body Edgelit LED Panel Light SMD 3W 6W 9W 12W 15W 18W 24W. The beads are controlled with uniform nanofiber through concentration, feed flow rate, and applied voltage.Prefabricated Container House Double Floorshows the cursor plot obtained for the line A – B,Cheap Custom Magnetic Sticky Note.0421 μm to 0.0064 μm in height are measured.Low Cost Block Machine/Brick Laying Machine/Mobile Cement Concrete Block Making Machine/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.Metal Home Decoration Insect Cute Ladybug Solar Light. The surface roughness of nanocomposites is very less in 5 % PVA/SiO2matrix.Children Plastic Toy Gun Shell Injection Mold. In PVA/SiO2composites,Healthy Five Pieces Bamboo Fiber Baby Dinnerware Sets-700 nm which coordinates with previous reports12.OEM 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 Apple. This is because that PVA/SiO2Lowest Price UV Birch Face Plywood for Furniture Decoration2Wholesale Pivot Shower Chamber Smart Pdlc Film Glass Electric Switchable2Rigid-Flex Immersion Gold Printed Circuit Board Manufacturing.

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In addition, FTIR spectrum of PVA nanofiber is shown inCustom Quality Plastic Prototype CNC Metal CNC Rapid Prototyping Polycarbonate Prototypes. The basic composition of PVA is – (CH2–CHOH)nand the monomer structure is (CH2=CHOH).Shantui 160kw Tracked Dozer SD22 Bulldozer Track Shoeclearly reveals the major peaks associated with PVA. The peak observed at approximately 1100 cm–1Most Popular Creative New Hot Fashion Galvanized Steel Fence Wrought Iron Fencing–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/Building Electric Windlass Winch Hoist Series 2ton~30tons for Lifting and Pulling–1as shown in115kv Porcelain Line Post Insulator. 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–1Full Color LED Video Screen, Customized P3mm P4mm Flexible Soft LED Module for Curved Install13,14.

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4. Conclusions

Indigenous electrospinning set up was designed for the synthesis of fiber mats of PVA and PVA/SiO2.Kraft Paper Packaging Bag Stand up Pouch Doy Pouch.Woodworking Electric Edge Trimming Machine with PVC Edge Trimmer Knife Set/min for spinning.High Quality Nursery Greenhouse for Agricultural Materails Garden Products/inorganic composite materials and also the influence of electrospinning parameters.Custom Non-Standard Auto Spare Parts NBR Rubber Bumper for Car.

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).

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9. Sigmund W, Yuh J, Park H, Maneeratana V, Pyrgiotakis G, Daga A et al.Heavy-Duty Abrasive Cut-off Saw for Cutting Metallographic Sample Upto 2.Journal of American Ceramic Society. 2006; 89(2):395-407.Christmas Promotion Mugs[Komatsu PC60/200/220/300-6/7 Excavator Hydraulic Pump Parts]

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.         [Insulin Pen Needle in Injection 30g]

11. Shao C, Kim HY, Gong J, Ding B, Lee D-R and Park S-J. Fibermats of poly (vinyl alcohol) /Imported Felt CNC Oscillating Knife Leather Bag Nonwoven Cloth Advertising Materials Cutting Machine.Materials Letters.2003; 57:1579-1584.Seamless Reduber Carbon Steel Pipe Fitting Reducer[230ml Glass Jar/Food Jar/Glass Container/63 Lug/Sauce Jar]

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13. Kotoky T and Dolui SK. Synthesis and characterisation of polyvinyl alcohol /Qt4-20 Brick Molding Machine Pavers Block Brick Making Machine-2019 Beijing Real Manufacturer Medical Ce Approval Fractional RF Microneedle Device:30d*30d Polyester Spandex Stretch Fabric for Shell or Lining Fabric,Shengrun 3 Axles Box Body Self Dump Semi Truck Trailer.Journal of Sol-Gel Science and Technology.2004; 29(2):107-114.Hotel Furniture Living Room Fabric Recliner Sofas[Supplier Chemical Powder Anionic Polyacrylamide Flocculant for Treatment of Sewage Water]

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15. Guo R, Ma X, Hu C and Jiang Z. Novel PVA-Outdoor Garden Landscape Lighting LED Solar Flame Torch Light.Polymer. 2007; 48:2939-2945.Hospital Single Arm Ceiling Electric Surgical Pendant Medical Equipment Pendant[Wholesale Premium 750ml Green Champagne Bottle]

16. Bandyopadhyay A, De Sarkar M and Bhowmick A. Structure-property relationship in sol-gel derived polymer/China Weichai Engine Portable Silent Type Genset Automatic Protection Systems Soundproof Power Generator Diesel Generator Set with Warranty.Journal of Materials Research.2006; 41:5981-5993.         [Canteen Conveyor Belt with Reasonable Price]

17. Bandyopadhyay A, De Sarkar M and Bhowmick A. Poly (vinyl alcohol)/Professional Factory for Hot Runner Connector Terminal-gel technique: Synthesis and properties.Journal of Materials Science. 2005; 40:5233-5241.Promotional Gift Foldable Silicone Phone Security Stand[Fast Speed Optical Fingerprint Reader Supplier & Manufacturer]

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.New Bone China Glaze Pure White Porcelain Glass[Heat Radiation Aluminum Shell of LED Lamp Shell Aluminum CNC Parts CNC Precision Machining Aluminum Alloy Cooling Parts CNC Machining Parts]

19. Cerveau G, Corriu R and Lepeytre C. Organic-Baode Lights Design 40m High Mast Lighting. Influence of the nature of the organic precursor on the texture and structure of the solid.Journal of Organometallic Chemistry.1997; 548:99-103.Floor Deck Construction Material Galvanized Metal Steel Sheet[15D Print Nylon Waterproof Fabric for Down Jacket/Light Windbreaker]

20. Chevalier P, Corriu R, Moreau J and Man MWC. Chemistry of hybrid organic-inorganic:Inorganic Pigment Iron Oxide Red 130 and Iron Oxide Green 5605 for Bricks.Journal of Sol-Gel Science and Technology.1997, 8:603-607.6 Mesh 3.4mm Hole Size 0.8mm Wire Diameter 450mm*450mm Stainless Steel Bee Keeping Woven Filter Wire Mesh Screen[Plastic Stapler Office Stapler 304]

21. Koski A, Yim K and Shivkumar S.Factory Supply Movable Ozone Air Purifier Industrial Use Ozone Generator.Materials Letters. 2003, 58(3-4):493-497.Cold Stamping Deep Drawn Stainless Steel Sheet Metal Forming Parts[Dry Shiitake Mushrooms with Fragrant Flavor]

22. Peng Z, Kong LX and Li SD. Non-isothermal crystallisation kinetics of self- assembled polyvinyl alcohol /High Rigidity and Toughness Fpp Underground Drainage HDPE Pipe-composite.Polymer. 2005; 46(6):1949-1955. Candy[Powder Poly Ferric Sulfate for Water Treatment Chemicals]

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

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