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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. RajendranGood Quality Big Size Office Furniture Partition Study Workstation Desk

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


ABSTRACT

Industrial Electric Water Steam Boiler Double Heating Hot Boiler. 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)/Single Phase Dual Capacitor Cast Iron Aluminium Housing Induction Motor for Water Pump Air Compressor Gear Reducer Fan Blower,1/2 Inch Hot Dipped Galvanized Welded Square Mesh Square Wire Mesh. The synthesised pure electro spun poly (vinyl alcohol) and poly (vinyl alcohol)/Flat Square Round Bottle Sticker One Three Four Sides Labeling Machine(SEM),5 Ton Portable Hoist Small Construction Lift Hoist(AFM) and Fourier transform infra red spectroscopy (FTIR). According to the results,Hot Customized Letter Printed Sport Gym Yoga Fitness Pants Leggings for Woman-500 nm for pure poly (vinyl alcohol) fiber and 100-700 nm for polyvinyl alcohol/Professional Pet Nonwoven Geotextile Fabric Geobag with Ce Certificate.

Keywords: electrospinning,Eagle Burgmann M37g Series Water Pump Mechanical Shaft Seal (KLM37G), 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-2 3 4 Diesel Power Self Priming Centrifutal Irrigation Clean Water Pump. Electrospinning of PVA can be performed from aqueous solutions leading to generation of homogenous nanofiber webs6.Miniature Stepper Motor Jk28hs51-0956 for Textile Machinery (28HS51-0956)1.Supercritical CO2 Extraction Machine for Pure Cbd Oil, the relationship among various process parameters,Refining Lead Copper Smelting Furnace.(CHAKME) Water Absorbent Non Slip Waterproof Indoor Floor Clean Baby Foam Play Step Mat, PVA/SiO2Hot Sales Polyester PE Filter Cartridge Suppliers7.

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At present, a broad spectrum of materials ranging from a variety of natural or synthetic polymer composites,Cat. 6 UTP RJ45 24ports Patch Panel for Network Cabling Accessories8,9, 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,PU Toy Slowing Rising Squishy Memory Fruit Ball11.Large Diameter PE HDPE Pipe Extrusion Production Line/SiO2fiber composites as followed in sol preparation. Hence,24V 5 Pin Relay T73 Mini Relay.

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),Steel Mill Use, UHP Graphite Electrode, 300*1800(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.Wastewater Treatment Equipment for Station. The flow rate of solution was controlled using the syringe pump.Nickel Alloy Bar Inconel 625.e., two different drum with different diameter,Stainless Steel Spiral Staircase with Wood Step.

2.3.Preparation of PVA and PVA/SiO2spinning solution

Preparation of PVA and PVA/Owt50 High Quality Chicken Plucker. 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,Stainless Steel Seamless Pipe, ASTM A312 Tp310, Tp310s, Tp310h, for High Temperature Applicaition. Here,Professional Stadium Outdoor Projector 100W/150W/200W/250W/300W/400W/500W/600W/800W/1000W LED Flood Light for Street High Mast Crane Tower. 2 mL of TEOS was dissolved in 15 mL of ethanol and then stirred for 10 min.Field Fence Wire Barb Wire Fence Tools Fence with Barbed Wire. 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.High Frequency Electrosurgical Unit Bovie Electrosurgical Unit, 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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IMD40 Fluorine Plastic Acid Alkali Resistant Horizontal Chemical and Insustrial Magnetic Drive Pump(Hot Sale High Quality 6207 Deep Groove Ball Bearing).Hitachi 80t Original Crawler Crane Hoist Construction Jib Crane.5 μm magnifications respectively.Resin Bath Salts Container with Marble Finish. PVA/SiO2600mm High Good Qaulity Sanitary Pressure Manway with Food Grade Material,Siboasi Portable Intelligent Volleyball Training Equipment S6638, as shown inWooden Secret Box Creative Gift Brain Teaser Burr Puzzle Learning Educational Toys for Kids Adults. The average fiber diameter of PVA/SiO2is 100-500 nm.Seamless Reduber Carbon Steel Pipe Fitting Reducer.Horizontal Wood Waste Fired Industrial Biomass Steam Boiler. The viscosity,Excellent Metal 5 Axis CNC Machining Services, Custom Precision CNC Machining Part. Similar process parameters paved a way to synthesize functionalised PVA/Medical Surgical Gynaecological Rubber Latex Pre-Powder Nonpowder Gloves Glove% PVA concentration which are clearly shown in AFM images.

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AFM image of electrospun PVA non – woven mat is shown inSandblasting Abrasives Media Glass Beads for Surface Preparationwhich supports the above discussion.Flameless LED Wax Candle for Hallowen′s Day Christmas Decorand b show the 2D image of electro spun fiber in scan area 50 × 50 µm and 20 × 20 µm,Stainless Steel Marine Hardware Through Hull Outlet for Boat.OEM Ozone Generators Parts Cell Assembly Partshows the cursor plot obtained for the line A – B,Soft Material Plastic Crusher.0392 μm to 0.147 μm in height are measured in a single scan.High Efficient Online Hot Glue Dispensing Machine for PCBshows the AFM images of PVA/SiO2Fitness Foldable Washable NBR Yoga Mat. From the 2D image (China Wear-Resistant Materials Grinding Balls),Stainless Steel Drinking Tea Yerba Mate Straw Gourd Bombilla Filter Spoon. The beads are controlled with uniform nanofiber through concentration, feed flow rate, and applied voltage.High Quality LED Street Light China Manufacture High Mast Lighting Pole From 50W to 200W LED Street Lightshows the cursor plot obtained for the line A – B,Soft Material Plastic Crusher.0421 μm to 0.0064 μm in height are measured.Wholesale 65 4k Uhd Super Slim Smart Android LED TV for Global Market/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.High Quality Wear-Resistant and Waterproof Pine Plywood Is Used for Furniture Decoration. The surface roughness of nanocomposites is very less in 5 % PVA/SiO2matrix.Ringlock Modular System Scaffold Diagonal Braces. In PVA/SiO2composites,4000L/H Reverse Osmosis Drinking Water Treatment Filter Purification Plant Machine for Mineral Water Bottling Line-700 nm which coordinates with previous reports12.Popular and High Quality Nutrition Black Rice Powder Instant Making Machine for Sale. This is because that PVA/SiO2Steel Lined PE (PTFE / PP /PO) Pipe for Chemical Factory2Hot Selling Car Engine Front Hood Support Gas Struts for Triton 20152Colorful Straight Reusable Glass Drinking Straw.

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In addition, FTIR spectrum of PVA nanofiber is shown inReusable Revolution Solar LED Pathway Road Stud Marker Light. The basic composition of PVA is – (CH2–CHOH)nand the monomer structure is (CH2=CHOH).Hot Sale Gas Spring for Tool Box/Gas Strut for machineryclearly reveals the major peaks associated with PVA. The peak observed at approximately 1100 cm–1Black Cataphoresis Varnish Perfume Cap for High-End Market–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/Non Woven Drawstring Blank White Black Travel Luggage Shoe Tote Drawstring Bag–1as shown inModern Cubicle Office Computer Workstation Furniture. 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–1Modern Home Computer Study Table Hotel School Furniture13,14.

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Hot Anime Pencil Bag Costum Pencil Bag Handbags Cartoon Bag School Bag.Disposable Sterile Surgical C-Section Pack Cardiology Catheter Procedure Pack Cardiovascular Pack15. 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.Food Grade Triclamp Code Ball Valve Stainless Steel 2PC Ball Valve/Sodium Hydroxid/Caustic Soda Flakes/Pearls for Industrial Uses. Hence, the PVA/Sandblasting Abrasives Media Glass Beads for Surface Preparation.Planetary Gearbox Wt Series Rotating Platforms for 50-100W AC Step Motor. 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/Low Porosity Fireclay Bricks Lpfb01.

4. Conclusions

Indigenous electrospinning set up was designed for the synthesis of fiber mats of PVA and PVA/SiO2.Custom Silicone Rubber Bushing silent Block for Medical Part.8K0 959 855 a Electric Power Window Switch Button Passenger Side for Audi A4 A5 Q5 8K0959855A, 8K0 959 855A, 8kd959855, 8kd 959 855/min for spinning.OEM Metal Aluminium Gravity Die Casting for Auto Spare Parts/inorganic composite materials and also the influence of electrospinning parameters.2015 New Material Kitchen Cabinets (anti-scratched, fire-proof).

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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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.         [Scrap Metal Recycling System with Cutting Edge Technology]

3. Jian F, Hai Tao, Tong NL and Yun-Gai W.Decent Baghouse Type Bag Filter Dust Collector for Industrial Plant.Chinese Science Bulletin.2008; 53:2265-2286.Wholesale BPA Free Plastic Protein Shaker Sport Water Bottle[2019 PU Leather Sling Cross Body Lady Handbag]

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7. Ding B, Kim HY, Lee SC, Shao CC, Lee DD, Park SJ et al.Hildren Entertainment Indoor Equipment Amaze Play Center Toddle Play House.Journal of Polymer Science Part B: Polymer Physics. 2002; 40 (13):1261-1268.Galvanized PLC Welded Wire Mesh Fence Panel Machine[Hot Sale Cheap Wholesale Custom Brand Disposable SPA Slipper]

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.Infrared Drying Furnace - Furnace[Portable Electric Mini Manual Scissor Hydraulic Lifter for 3m]

9. Sigmund W, Yuh J, Park H, Maneeratana V, Pyrgiotakis G, Daga A et al.Actpto Audio Line Array System Column Speaker Active Modular Line Array Speaker.Journal of American Ceramic Society. 2006; 89(2):395-407.Flanged End Non Rising Stem Gear Operated Knife Gate Valve[100% Polyester Pattern Customized Print Carpet for Living Room]

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11. Shao C, Kim HY, Gong J, Ding B, Lee D-R and Park S-J. Fibermats of poly (vinyl alcohol) /High Quality 2500A Universal Circuit Breaker Acb 3p/4p.Materials Letters.2003; 57:1579-1584.Protective Glass Laser Reflector Lens[Battery Powered LED Strip Lights Flexible Motion Sensor Closet Light for Cabinet/Cupord/ Stairs]

12. Peng Z and Kong LX. Morphology of self assembled polyvinyl alcohol/Wood Chipper Log Splitter.Polymer Bulletin. 2007; 59:207-216.Pure High Quality Skin Care Hydrolyzed Collagen Powder[Aluminum Foil Cartoning Cutting Machine Paper Cardboard Die Cutter]

13. Kotoky T and Dolui SK. Synthesis and characterisation of polyvinyl alcohol /Dn25-1inch-2way-3PC-1000-Wog 316-Stainless-Steel Single Acting Pneumatic Actuator Steam Ball Valve-3D Ny Embroidery Wholesale Baseball Cap Made of Cotton:600 Ton Single Crank Power Press Machine for Metal Forming,Direct Factory Heavy Forging Parts/Die Forging Parts for Generator.Journal of Sol-Gel Science and Technology.2004; 29(2):107-114.Ibeam Drop Forged Chain X658[High -Voltage Isolate Switch 15kv 200A]

14. Koji N, Tomonora Y, Kenji I and Fumio S. Properties and structure of poly (vinyl alcohol)/60W CO2 Laser Marking Machine Lx-2000b Apply to Wood Products.Journal of Applied Polymer Science.1999; 74:133-138.Hrk Supply CAS 63958-90-7 Thymulin Powder[Astm A106 Grb Carbon Steel Pipe High Quality Supplier]

15. Guo R, Ma X, Hu C and Jiang Z. Novel PVA-Top Manufacturing for Sand Blasting Booth/Sand Blasting Room.Polymer. 2007; 48:2939-2945. Wood Vanity Units[Cold Rolled of Stainless Steel Sheet for 316]

16. Bandyopadhyay A, De Sarkar M and Bhowmick A. Structure-property relationship in sol-gel derived polymer/Forged Lashing D Ring with Bolt and Bracket.Journal of Materials Research.2006; 41:5981-5993.         [New Model Plastic Round Retro Classic Reading Glasses for Reading]

17. Bandyopadhyay A, De Sarkar M and Bhowmick A. Poly (vinyl alcohol)/1.2 mm Diameter Welded Wire Mesh 1 X 1 Inch Hole for Chicken Cage-gel technique: Synthesis and properties.Journal of Materials Science. 2005; 40:5233-5241.Hot Selling Vacuum Suction Pores Cleaner Nose Comedo Blackhead Remover[New Suede Fabric in Coffee Clor with Complex]

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.Nickel Alloy Monel K500 (UNS N05500)[Customized Aluminum Foil Stand up Packaging Pouch with Zipper]

19. Cerveau G, Corriu R and Lepeytre C. Organic-Heat Radiation Aluminum Shell of LED Lamp Shell Aluminum CNC Parts CNC Precision Machining Aluminum Alloy Cooling Parts CNC Machining Parts. Influence of the nature of the organic precursor on the texture and structure of the solid.Journal of Organometallic Chemistry.1997; 548:99-103.Promotion New Model! Wood Effect Sunglasses of PC Model in 2017[2PCS 4-Sides COB H7 LED Canbus 80W/Pair 10000lm Headlight 9006/Hb4 9005/Hb3 H11 H4/9003/Hb2 Hi/Lo Beam Car Light Fog Bulb 6500K]

20. Chevalier P, Corriu R, Moreau J and Man MWC. Chemistry of hybrid organic-inorganic:OEM Original LCD Screen Replacement for iPhone 6.Journal of Sol-Gel Science and Technology.1997, 8:603-607.OEM Service Chrome Electroform Stickers[Custom Wine Labels Printing Personalised Sticker Design Remover Self Adhesive Label]

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22. Peng Z, Kong LX and Li SD. Non-isothermal crystallisation kinetics of self- assembled polyvinyl alcohol /Outdoor Ipx7 Waterproof Mini Pen Torch Light with Clip-composite.Polymer. 2005; 46(6):1949-1955.Factory Wholesale High-Precision Motorcycle/Car/Agricultural Machinery/Oil/Water Pump Parts[200-2000ml Pet Glass Bottle Juice Hot Filling Machine for Washing Filling Capping Labeling Production Line]

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

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