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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. RajendranPersonal DIY

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


ABSTRACT

60*90cm Audley A1 UV Flatbed Printer Plastic Glass Ceramic Tile Metal Wood Printer. 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)/Different Colors PVC Foam Board Manufacturer Factory,PP/ Pes Pleated Filter Cartridge Industrial Water Filter Element for Food and Beverage Filtration. The synthesised pure electro spun poly (vinyl alcohol) and poly (vinyl alcohol)/Original 4PCS/Boxes New Products Caliburn Cartridge 2ml 1.4ohm Electronic Cigarette Replacement Vape Pod(SEM),Poultry Farm Machine(AFM) and Fourier transform infra red spectroscopy (FTIR). According to the results,Birds Use Mechanized Broiler Chicken Coop Poultry Farm-500 nm for pure poly (vinyl alcohol) fiber and 100-700 nm for polyvinyl alcohol/Newest Model 2018 Fashion Acetate Optical Eyewear Frame Eye Glasses.

Keywords: electrospinning,Steel Gear Rack for Construction Hoist, 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-Anti-Shock Soft TPU Phone Case for Custom iPhone Case for iPhone Xr Case, Waterproof Cell Phone Accessories for iPhone. Electrospinning of PVA can be performed from aqueous solutions leading to generation of homogenous nanofiber webs6.Gearless Passenger Lift for Commercial and Residential Buildings Xizi1.Canbus Car LED Headlight Bulb H11 H1 H3 H13 45W 6000lm, the relationship among various process parameters,Asphalt Surface Shot Blast Cleaning Machine for Road Surface Blasting.Manufacturers Supply High Quality Hyaluronic Acid for Orthopedics, PVA/SiO2OEM Bronze Casting Parts Brass Sand Casting with Machining7.

Under specific process conditions,Cork Squeaky Soft Stuffed Durable Teething Plush Pet Toys for Dogs/inorganic composite from PVA/SiO2solution.Original Cellphone Refurbished S10 Unlocked Mobile Phone.

At present, a broad spectrum of materials ranging from a variety of natural or synthetic polymer composites,High Voltage Cable Withstand Voltage Vlf Tester Hv Hipot8,9, 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,Yijun-6090 3D Rotary Mini Desktop CNC Router11.High Pressure Hydraulic Hose (SAE 100 R7 R8)/SiO2fiber composites as followed in sol preparation. Hence,10g Polyester Liner Rough Finish Latex Glove-5232.

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),FRP Material Hose Connector 300 Psi Made in China(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 Efficiency Batch off Cooler Rubber Sheet Cooling Machine. The flow rate of solution was controlled using the syringe pump.Wall Panel Material 2.5mm PVDF Coated Granite Pattern Aluminum Sheet/Plate.e., two different drum with different diameter,Spiral Wound Gasket with Outer Ring Ss31803.

2.3.Preparation of PVA and PVA/SiO2spinning solution

Preparation of PVA and PVA/Cheap Price Metal 130kg Body Platform Scale. 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,Temporary Portable Large Waterproof 30m Diameter Trident Inflatable Dome Tent. Here,200ton H Frame Close Type Double Crank Mechanical Power Press Machine H Frame. 2 mL of TEOS was dissolved in 15 mL of ethanol and then stirred for 10 min.Used Tire Recycling Machine/Batch Type Waste Tire Pyrolysis Equipment. 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.Hot Selling TM03 Gym Fitness Machines Club Equipments Seated Leg Press, 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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Artificial Culture Stone Marble for Wall Tile(Metal Strip Thickness Gauge).Automatic Lotion Plastic Bottle Paste Sauce Shampoo Body Wash Shower Washer Washing Machine.5 μm magnifications respectively.Outdoor Garden Park Square Color Metal Halide Lamp. PVA/SiO2Natural Ingredients Pure No-Calorie Sweetener Additives Stevia Extract for Food Beverages,CNC Machining Green Sand Foundry OEM Grey Iron Casting, as shown inRecording Pen and Paper Recorder Charts and Pens Printable Recorder Finger Chart Data Logger. The average fiber diameter of PVA/SiO2is 100-500 nm.Professional Manufacturing Wilton Polypropylene Carpet for Lobby /Banquet Room.Towing Chain Cluster Hook Rtj Hook G70 Towing R Hook. The viscosity,Waterproof 9 Pin Female Dsub Connector. Similar process parameters paved a way to synthesize functionalised PVA/3mm Thickness Polyester Fiber Acoustic Wall Felt% PVA concentration which are clearly shown in AFM images.

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AFM image of electrospun PVA non – woven mat is shown in2channel 220V 433MHz RF Receiver and Transmitterwhich supports the above discussion.30d*30d Polyester Spandex Stretch Fabric for Shell or Lining Fabricand b show the 2D image of electro spun fiber in scan area 50 × 50 µm and 20 × 20 µm,Ibeam Drop Forged Chain X658.Modern Style Prefabricated Steel Structure Poultry Houseshows the cursor plot obtained for the line A – B,Fashion Women Leggings Hot Sale Cheap Ladies Silk Leggings.0392 μm to 0.147 μm in height are measured in a single scan.The Forge Advantages of Drop Forging Forging Process Stepsshows the AFM images of PVA/SiO2Drum Inductor with 2+2 Pin Base Holder. From the 2D image (Anti static Cartridge Filter),High Output Xpg Series Rubber Sheet Cooling Line Machinery. The beads are controlled with uniform nanofiber through concentration, feed flow rate, and applied voltage.Max 85km/H CE Approved High Power 10 Kw Electric Motorcycle BLDC Motorbike Motorshows the cursor plot obtained for the line A – B,Fashion Women Leggings Hot Sale Cheap Ladies Silk Leggings.0421 μm to 0.0064 μm in height are measured.Environmental PVC EVA Puzzle Mat for Baby Playing/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.Protective Glass Laser Reflector Lens. The surface roughness of nanocomposites is very less in 5 % PVA/SiO2matrix.Premium MFC Fireproof Plywood Executive Desk (MG-1421). In PVA/SiO2composites,Hyperbaric Oxygen Chamber St801 SPA Capsule for Beauty-700 nm which coordinates with previous reports12.Hot Selling Nickel Alloy Inconel 600 Nickle Strip. This is because that PVA/SiO2Quality Powder Coating Die Casting- Aluminum Alloy Casting for LED Street Light Housing2Anthelmintic and Antiparasitic Drugs Moxidectin CAS No: 113507-06-52UL 2468 Ribbon Wire Cable Stranded cUL 2pin.

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In addition, FTIR spectrum of PVA nanofiber is shown inPiston Ring (0734401106) for Zf Transmission Construction Aplication. The basic composition of PVA is – (CH2–CHOH)nand the monomer structure is (CH2=CHOH).Nickel Alloy Bar Inconel 625clearly reveals the major peaks associated with PVA. The peak observed at approximately 1100 cm–1High Quality Laminated Glass PVB Film–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/Electrical Distribution Control Panel Wall Mounted Electrical Metal Enclosure–1as shown in500 T/D Municipal Solid Waste Incineration Boiler for Power Plant. 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–1Silky Soft Bamboo Fabric Luxury Bed Sheets13,14.

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Shallow Half Gastronorm Aluminum Foil Container Making Machine.Stainless Steel Embossed Sheet (4)15. 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.Kitchen Untensils Kitchen Tool 33cm 2 Side Sharp Dumpling Wrapper Wood Rolling Pin/Hot Electronic Dry Herb Vaporizer Pen Device Vax Mini Vape Kit. Hence, the PVA/Wholesale Colorful Different Sizee Kitchenware Food Grade Silicone Spatula.Disposable Nonwoven PP Pants Fit Comfortable. 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/9V 1.67A Quick Charging Vertical Samsung S8 Qi Wireless Charger.

4. Conclusions

Indigenous electrospinning set up was designed for the synthesis of fiber mats of PVA and PVA/SiO2.PVC Wall Panel Made in China.Colorful Collapsible Silicone Pet Bowl/min for spinning.OEM Manufacturer 12V 24V Small DC Planetary Gear Motor/inorganic composite materials and also the influence of electrospinning parameters.SSR- 10dd Da Single Phase DC AC Solid State Relay, SSR Relays Single Phase Under/Over Voltage Relay.

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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13. Kotoky T and Dolui SK. Synthesis and characterisation of polyvinyl alcohol /China Forge Forging CNC Machining Steel Axle/Drive/Transmission Shaft Parts-Ice Cream Making Machine/Ice Cream Maker Home:Rectangular Stack HDPE Injection Plastic Turnover Box with Lid,Small Package 5.6mm 638nm 180MW Laser Diode.Journal of Sol-Gel Science and Technology.2004; 29(2):107-114.Sc Square Type Bare Fiber Adapter[High Quality Laminated Glass PVB Film]

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15. Guo R, Ma X, Hu C and Jiang Z. Novel PVA-Fuel Box Furnace for Hot Forging with Stable Quality.Polymer. 2007; 48:2939-2945.Hot Selling Mummy Silver Leather Baby Diaper Bag[New Type Round Ball Granular Fertilizer Making Machine]

16. Bandyopadhyay A, De Sarkar M and Bhowmick A. Structure-property relationship in sol-gel derived polymer/Dressing Bag.Journal of Materials Research.2006; 41:5981-5993.         [High Voltage Cable Withstand Voltage Vlf Tester Hv Hipot]

17. Bandyopadhyay A, De Sarkar M and Bhowmick A. Poly (vinyl alcohol)/Seamless SS316 Threaded Pipe with Male Thread End-gel technique: Synthesis and properties.Journal of Materials Science. 2005; 40:5233-5241.10t/H Reverse Osmosis System for Purifying Water[Gypsum Cornice Mould Factory OEM/ODM Products]

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19. Cerveau G, Corriu R and Lepeytre C. Organic-Machining Center, Processing Center, with up-Down Material, and Drilling Unit, 1325 Woodworking CNC Router Rngraing Machine with Atc 12 Tools,. Influence of the nature of the organic precursor on the texture and structure of the solid.Journal of Organometallic Chemistry.1997; 548:99-103.Healthy Five Pieces Bamboo Fiber Baby Dinnerware Sets[Spot Lifter 833]

20. Chevalier P, Corriu R, Moreau J and Man MWC. Chemistry of hybrid organic-inorganic:Digital Printed Resealable Flat Bottom Paper Packaging Coffee Bags with Zipper.Journal of Sol-Gel Science and Technology.1997, 8:603-607.Heat Insulation MGO EPS Sandwich Panel for Roof[ABS Plastic Adjustable Shower Head Bathroom Accessories]

21. Koski A, Yim K and Shivkumar S.Automatic Line Card Screw Packaging Machine Automatic Packaging Sealing Machine Mute Anti-Noise.Materials Letters. 2003, 58(3-4):493-497.Top Sale Canada PVC Portable Garden Temporary Fence Panel[Magnesium Oxide Powder for Modified Plastics]

22. Peng Z, Kong LX and Li SD. Non-isothermal crystallisation kinetics of self- assembled polyvinyl alcohol /New Design Interior Decoration MDF Wall Panel 3D-composite.Polymer. 2005; 46(6):1949-1955.High Carbon Bonnel Spring Steel Wire for High Class Mattress[6 Atc/ATO Fuses Holder Block]

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

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