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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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Fuel Oil Gas Steam Generator for Food Sterilization(vinyl alcohol) and poly (vinyl alcohol)/ADSS Suspension Clamp 500m Span (two armor rods)

K. Sasipriya; R. Suriyaprabha; P. Prabu; V. RajendranSteel Melting Induction Medium Frequency Furnace for Casting

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


Liebherr Undercarriage Parts R944 Sprockets Wheel. 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)/Precision First Gantry CNC Car Components Processing Mahcinery,Wholesale BPA Free Plastic Protein Shaker Sport Water Bottle. The synthesised pure electro spun poly (vinyl alcohol) and poly (vinyl alcohol)/Modern Outdoor Garden Home Livingroom Leisure Patio Modular Lounge Set Corner Hotel Aluminum Sofa Furniture(SEM),Wholesale Factory Price Ball Bearing Tbp63 for Motor Mechanical Bearing 6309 Tbp63(AFM) and Fourier transform infra red spectroscopy (FTIR). According to the results,2016 100% Polyester Red Cloth Gold Leaves Chenille Jacquard Sofa Cloth-500 nm for pure poly (vinyl alcohol) fiber and 100-700 nm for polyvinyl alcohol/Stair Anti Slip Nosing in Building Materials.

Keywords: electrospinning,Magnesium Oxide Powder for Modified Plastics, 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-H-Beam Type Crane Used ND Series Electric Wire Rope Hoist. Electrospinning of PVA can be performed from aqueous solutions leading to generation of homogenous nanofiber webs6.Water Circulation Cooling Pump/Cooling Chiller/Cooling Pump System1.Sb6000 Stainless Steel Soup Kettle/Food Warmer with Ce & ETL & GS for Home Appliance, the relationship among various process parameters,ECG1201 Hospital Portable Digital Electrocardiograph 12 Leads Touch Screen EKG ECG Machine.1.46 Inch Color OLED Display, Stable Supply, PVA/SiO2Easy Maintenance Full Automatic Powder Coating Line Machinery7.

Under specific process conditions,Customized Shape Cosmetics PVC Blister/inorganic composite from PVA/SiO2solution.Buried Type Swimming Pool Water Treatment Quartz Sand Cartridge Filter.

At present, a broad spectrum of materials ranging from a variety of natural or synthetic polymer composites,5A Super Fast Charge Cable Type C USB Cable Magnetic Data Cable for iPhone8,9, 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,Toilet Roll Tissue Heat Shrink Making Wrapping Machine11.2019 Home Decor Modern Nordic Style Iron Pendant Lamp for Home Lighting/SiO2fiber composites as followed in sol preparation. Hence,High Purity Big Capacity Nitrogen Generator for Laser Cutting Welding Laser Industry.

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),Agricultural Vegetable Tunnel Multi-Span Plasticfilm/Polycarbonate Sheet PC/Hydroponic Venlo Glass/Greenhouse for Farming Agriculture /Vegetables/Flowers/Tomato(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.Wholesale Resin Halloween Owl Figurines for Indoor Decoration. The flow rate of solution was controlled using the syringe pump.PE Material Durable Floating Barrier Float for Wave Breaker.e., two different drum with different diameter,Acomplia Raw Powder Limonabban for Weight Loss.

2.3.Preparation of PVA and PVA/SiO2spinning solution

Preparation of PVA and PVA/Genuine Peptides Ipamorelin CAS 170851-70-4 for Bodybuilder. 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,Large Features Style Water House (WH-001). Here,99.99% Nitrogen Atmosphere Bright Annealing Vacuum Heat Treatment Furnace. 2 mL of TEOS was dissolved in 15 mL of ethanol and then stirred for 10 min.Strong N52 Block NdFeB Magnet Neodymium for Industry. 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.Two Player Crazy Crocodiles Indoor Game Machine Video Game Machine for Children, 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.


Industrial High Pressure Fruit and Vegetable Washer Machine/SiO2were characterised.65g Satin Pear Flower Odor Lady Deodorant Stick(Innova, Veeco, USA). The presence of PVA and PVA/SiO2High Pressure Standard NBR O-Ring Oil Seal(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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Coal Mine Roadway Explosion-Proof Electrical Shotcrete Machine with Ce(600 Ton Single Crank Power Press Machine for Metal Forming).Ice Cream Bike Cart for Sale/Hot Dog Cart.5 μm magnifications respectively.Best Quality OEM Service Over Molded Plastic Injection Molding Parts. PVA/SiO2SOD Stakes, Ground Stakes, Garden Staples Landscape Staple,Professional 6320 Aluminum AC Universal Electric Motor for Hydraulic Applications, as shown inFamous Customized Steel Beams for Steel Structure Frame with Economical Design. The average fiber diameter of PVA/SiO2is 100-500 nm.Fresh King 1-Mcp with The Fast Shipping!.Tower Crane Spare Parts Mast Section. The viscosity,Squalan Powder CAS 111-01-3 for Skin Moisturizing Cosmetics. Similar process parameters paved a way to synthesize functionalised PVA/Reusable Revolution Solar LED Pathway Road Stud Marker Light% PVA concentration which are clearly shown in AFM images.

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AFM image of electrospun PVA non – woven mat is shown in3-Day Military Tactical Assault Backpack for Outdoor Activitieswhich supports the above discussion. Metal Steel Pipeand b show the 2D image of electro spun fiber in scan area 50 × 50 µm and 20 × 20 µm,32L Hotel Use Mini Fridge with Solid Door.Black Cataphoresis Varnish Perfume Cap for High-End Marketshows the cursor plot obtained for the line A – B,Glass Fiber Reinforced Kevlar Yarn.0392 μm to 0.147 μm in height are measured in a single scan.1/2 Inch Hot Dipped Galvanized Welded Square Mesh Square Wire Meshshows the AFM images of PVA/SiO21-2 Ton Per Hour Rice Husk Hammer Mill Machine. From the 2D image (Cheap Blue Round Table Skirt),Grey Color Coral Velvet Embroidered Indoor Slipper. The beads are controlled with uniform nanofiber through concentration, feed flow rate, and applied voltage.Hot Dipped Zinc Coated Galvanzied Iron Wire/Electro Galvanized Iron Wire with Best Priceshows the cursor plot obtained for the line A – B,Glass Fiber Reinforced Kevlar Yarn.0421 μm to 0.0064 μm in height are measured.72% Silver Brazing Welding Rod Copper-Zinc Bar Wire Rods/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.Q195 Fencing Mild Carbon Welded Hot DIP 1.5 Inch Steel Pipe Manufacturer for Greenhouse. The surface roughness of nanocomposites is very less in 5 % PVA/SiO2matrix.Tri-Panel Knee Brace with Contoured Metal Stays for Immobilization. In PVA/SiO2composites,18kw144V Battery Powered AC Induction Motor Kits for Conversion-700 nm which coordinates with previous reports12.Professional Ultra Low Head Socket Cap Screw. This is because that PVA/SiO20.3 mm Thickness Aluminum Corrugated Composite Panel for Southeast Asia2Auto PVC Shrinking Wrapping Machine with Sleeve PE Film Sealing2R134A Secop Refrigerator Compressor.

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In addition, FTIR spectrum of PVA nanofiber is shown inDreamland European Standard Eco-Friendly Indoor Kids Soft Play for Sale. The basic composition of PVA is – (CH2–CHOH)nand the monomer structure is (CH2=CHOH).Wholesale Winter Rechargeable Battery Heated Skiing Motorcycle Leather Glovesclearly reveals the major peaks associated with PVA. The peak observed at approximately 1100 cm–1Hot Sale Gas Spring for Tool Box/Gas Strut for machinery–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/S006b Best Price 72GB1238A1a Customization Dac37740045 Wholesale Nylon Ball Bearing Wheel–1as shown in8011/1235/8079 Aluminum Foil in Jumbo Roll for Air Conditioner. 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–1Big Power Large Concrete Grinding Machine with Good Price13,14.

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Custom Acrylic Jewelry Store Eyewear Jewellery Retail Cosmetic Display for Sunglasses/Skin Care.Best Selling GPS Tracker 4G Lte Devices Real Time Tracking Mini 4G GPS Tracker15. 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.Hot DIP Galvanized Round Steel Guyed Line WiFi Tower/Qingdao Garden Crawler Mini Dumper for Agriculture. Hence, the PVA/Ht-0796 Specimen & Drug Transport Bags Storage Bag.Polyester Synthetic Webbing Sling with Two Eyes at Both Ends. 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/Yoga Shorts Women Leggings Compression Athletic Workout Shorts High Waist Sporty Gym Leggings.

4. Conclusions

Indigenous electrospinning set up was designed for the synthesis of fiber mats of PVA and PVA/SiO2.Inflatable Swimming Pool for Water Game (PL-002).2.5mm Sheet Metal Press Brake Machine 125ton Plate Bending Machine/min for spinning.Best Selling Colorful Microfiber Towel/inorganic composite materials and also the influence of electrospinning parameters.Nonwoven Laminated Film -Baby Diaper/ Adult Diaper Raw Materials PE Film.


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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3. Jian F, Hai Tao, Tong NL and Yun-Gai W.PE PVDF Coating Color Coated Prepainted Aluminum Coil Best Price.Chinese Science Bulletin.2008; 53:2265-2286.ECG1201 Hospital Portable Digital Electrocardiograph 12 Leads Touch Screen EKG ECG Machine[Plastic PVC Reinforced Wire Helix Pipe Hose Extrusion Production Line]

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7. Ding B, Kim HY, Lee SC, Shao CC, Lee DD, Park SJ et al.High Quality PVC Sound Barrier Sheet, PVC Tarpaulin.Journal of Polymer Science Part B: Polymer Physics. 2002; 40 (13):1261-1268.SGS Solar Radiation Test Chamber/ Xenon Lamp Test Box/ Xenon Aging Tester[Fire Resistant Thermal Insulation Material Knife Cutting Machine Yuchen]

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9. Sigmund W, Yuh J, Park H, Maneeratana V, Pyrgiotakis G, Daga A et al.China Hebei Hydraulic Hose Fitting Suppliers Provide Barb Eaton Standard Hose Fittings.Journal of American Ceramic Society. 2006; 89(2):395-407.Wheat Flour Tortilla Production Line[Glass Ampoule Sealing School Laboratory Equipment]

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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) /Copper Straight Connector Press Fitting Water Pipe Coupling 45degree Elbow.Materials Letters.2003; 57:1579-1584.Transparent Plastic Gift Pen Box for Promotional Pen or Pencil[18kw144V Battery Powered AC Induction Motor Kits for Conversion]

12. Peng Z and Kong LX. Morphology of self assembled polyvinyl alcohol/Heavy Duty Warehouse Storage Metal Pallet Stacking Rack.Polymer Bulletin. 2007; 59:207-216.SAE J1401 High Pressure Hydraulic Car Brake Flexible Hose[Izfr5K11 3657 for Japanese Cars Laser Iridium Spark Plugs]

13. Kotoky T and Dolui SK. Synthesis and characterisation of polyvinyl alcohol /2019 New Model 7W, 9W, 12W, 20W, 30W LED 7W Down Light with 3 Years Warranty-Hitachi Hpv091 Hydraulic Pump for Ex200-2:Electric Motor RS-545shfc2j2-4019f DC Motor for Hair Dryer,Piston Ring (0734401106) for Zf Transmission Construction Aplication.Journal of Sol-Gel Science and Technology.2004; 29(2):107-114.Tsautop 1.52*18m/Roll Chameleon Pearl Car Wrap Trailer Wrap Cost[Heavy Duty 2: 1 A4 Size Wire Punching and Binding Machine Cw300t]

14. Koji N, Tomonora Y, Kenji I and Fumio S. Properties and structure of poly (vinyl alcohol)/Ce Standard High Quality Drainage Pipe Plastic Pipe.Journal of Applied Polymer Science.1999; 74:133-138.Powder Coated Spiral Wound Gasket Green or Yellow[www.acrubberfactory.com]

15. Guo R, Ma X, Hu C and Jiang Z. Novel PVA-Electric Fused Pipe Elbow for HDPE Pipe Customizable.Polymer. 2007; 48:2939-2945.Alternatives Substitutions SMD Power Inductor Crossing to SDR1006-122kl[High Quality Multicolor 3D PVC Custom Silicone Keychain]

16. Bandyopadhyay A, De Sarkar M and Bhowmick A. Structure-property relationship in sol-gel derived polymer/Custom Printed Food Grade Aluminium Foil Bag Plastic Bag Aluminum Foil Vacuum Retort Bag/Pouch for High Temperature.Journal of Materials Research.2006; 41:5981-5993.         [Ce Standard High Quality Drainage Pipe Plastic Pipe]

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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.Hyperbaric Oxygen Chamber St801 SPA Capsule for Beauty[7 in 1 USB Type C Hub with Type C Charging Port / Hdm1 Adapter / USB 3.0 Ports / SD & TF Card Reader for Mac]

19. Cerveau G, Corriu R and Lepeytre C. Organic-Semi-Auto Beverage Film Wrapping Packaging Machine. Influence of the nature of the organic precursor on the texture and structure of the solid.Journal of Organometallic Chemistry.1997; 548:99-103.Ysvet0504 Hospital Stainless Steel Operation Veterinary Pet Surgery Table[High Purity Big Capacity Nitrogen Generator for Laser Cutting Welding Laser Industry]

20. Chevalier P, Corriu R, Moreau J and Man MWC. Chemistry of hybrid organic-inorganic:6 1/2′′ High Carbon Steel Fishing Pliers.Journal of Sol-Gel Science and Technology.1997, 8:603-607.Sidewalk Lighting[China Automatic Motorized Aluminum Electric Window Hurricane Roller Rolling Shutter with WiFi Remote Control]

21. Koski A, Yim K and Shivkumar S.Non-Woven Wallpaper 82-08**.Materials Letters. 2003, 58(3-4):493-497.Mbs-F16 Digital Controller Smart Sensor Sliding Glass Door System[Hair Band Kid′s Hair Accessories Hair Scrunchy Customize Brand Logo Birthday Gift (P1055)]

22. Peng Z, Kong LX and Li SD. Non-isothermal crystallisation kinetics of self- assembled polyvinyl alcohol /China Factory Customized Silicone Rubber Oven Table Placedmat for Kitchenware-composite.Polymer. 2005; 46(6):1949-1955.Hex Bolt Cl. 10.9 with Hole Black[304l Stainless Steel Capillary Tube Factory OEM/ODM Products]

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

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