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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. RajendranCamping Fridge Freezer

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


ABSTRACT

Wholesale Factory Price Ball Bearing Tbp63 for Motor Mechanical Bearing 6309 Tbp63. 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)/2016 100% Polyester Red Cloth Gold Leaves Chenille Jacquard Sofa Cloth,Stair Anti Slip Nosing in Building Materials. The synthesised pure electro spun poly (vinyl alcohol) and poly (vinyl alcohol)/Magnesium Oxide Powder for Modified Plastics(SEM),Auto Hyundai Elantra Moving Head LED Stage Light(AFM) and Fourier transform infra red spectroscopy (FTIR). According to the results,China Manufacturer Nylon Insert Hex Flange Lock Nut-500 nm for pure poly (vinyl alcohol) fiber and 100-700 nm for polyvinyl alcohol/Garden Venlo Type Greenhouse / Polytunnel Greenhouse /Vegetable PC Greenhouse.

Keywords: electrospinning,Building Material Galvanized/Galvalume/Prepainted/Cold Rolled/Steel Product /Gi Iron Price/Zinc Coated Galvanized Steel Coil, PVA/SiO2composite, nanofiber mats.


1. Introduction

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H-Beam Type Crane Used ND Series Electric Wire Rope Hoist. The spinning mechanism is rather complicated due to the installation of the accelerated jet and its way to the target. It contains three basic components such as syringe pump,Water Circulation Cooling Pump/Cooling Chiller/Cooling Pump System.Sb6000 Stainless Steel Soup Kettle/Food Warmer with Ce & ETL & GS for Home Appliance4. By this technique, organic/ECG1201 Hospital Portable Digital Electrocardiograph 12 Leads Touch Screen EKG ECG Machine. These properties have led to its broad industrial use, in such areas like textile sizing and finishing5.

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-1.46 Inch Color OLED Display, Stable Supply. Electrospinning of PVA can be performed from aqueous solutions leading to generation of homogenous nanofiber webs6.Easy Maintenance Full Automatic Powder Coating Line Machinery1.Customized Shape Cosmetics PVC Blister, the relationship among various process parameters,Buried Type Swimming Pool Water Treatment Quartz Sand Cartridge Filter.5A Super Fast Charge Cable Type C USB Cable Magnetic Data Cable for iPhone, PVA/SiO2Toilet Roll Tissue Heat Shrink Making Wrapping Machine7.

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At present, a broad spectrum of materials ranging from a variety of natural or synthetic polymer composites,Modern Style Prefabricated Steel Structure Poultry House8,9, 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,Agricultural Vegetable Tunnel Multi-Span Plasticfilm/Polycarbonate Sheet PC/Hydroponic Venlo Glass/Greenhouse for Farming Agriculture /Vegetables/Flowers/Tomato11.Wholesale Resin Halloween Owl Figurines for Indoor Decoration/SiO2fiber composites as followed in sol preparation. Hence,PE Material Durable Floating Barrier Float for Wave Breaker.

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),Genuine Peptides Ipamorelin CAS 170851-70-4 for Bodybuilder(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.Large Features Style Water House (WH-001). The flow rate of solution was controlled using the syringe pump.99.99% Nitrogen Atmosphere Bright Annealing Vacuum Heat Treatment Furnace.e., two different drum with different diameter,Strong N52 Block NdFeB Magnet Neodymium for Industry.

2.3.Preparation of PVA and PVA/SiO2spinning solution

Preparation of PVA and PVA/Two Player Crazy Crocodiles Indoor Game Machine Video Game Machine for Children. 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,Industrial High Pressure Fruit and Vegetable Washer Machine. Here,65g Satin Pear Flower Odor Lady Deodorant Stick. 2 mL of TEOS was dissolved in 15 mL of ethanol and then stirred for 10 min.High Pressure Standard NBR O-Ring Oil Seal. 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.55/65′′ Outdoor Touch Screen HD High Brightness Anti Glare Waterproof, 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

High -Voltage Isolate Switch 15kv 200A/SiO2were characterised.Hot Sale Metal Aluminum Perpetual Table Desk Calendar(Innova, Veeco, USA). The presence of PVA and PVA/SiO2Dumbwaiter Complete Elevator for Kitchen Passing(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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Professional 6320 Aluminum AC Universal Electric Motor for Hydraulic Applications(Automatic Steel Construction Poultry Layer Egg Farm).Fresh King 1-Mcp with The Fast Shipping!.5 μm magnifications respectively.Tower Crane Spare Parts Mast Section. PVA/SiO2Squalan Powder CAS 111-01-3 for Skin Moisturizing Cosmetics,Reusable Revolution Solar LED Pathway Road Stud Marker Light, as shown in3 Ton Lifting Magnet Permanent Magnetic Plate Lifter. The average fiber diameter of PVA/SiO2is 100-500 nm.32L Hotel Use Mini Fridge with Solid Door.Glass Fiber Reinforced Kevlar Yarn. The viscosity,1-2 Ton Per Hour Rice Husk Hammer Mill Machine. Similar process parameters paved a way to synthesize functionalised PVA/Grey Color Coral Velvet Embroidered Indoor Slipper% PVA concentration which are clearly shown in AFM images.

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AFM image of electrospun PVA non – woven mat is shown inMetal/Wood/Stone Engraving CNC Router Dw1325which supports the above discussion.Plastics EPE Foam/Foaming/Foamed Sheet Extruder/Making Machine/Machineryand b show the 2D image of electro spun fiber in scan area 50 × 50 µm and 20 × 20 µm,72% Silver Brazing Welding Rod Copper-Zinc Bar Wire Rods.Construction Hoist 1 Ton Lifting Hoist 2 Ton Chain Hoistshows the cursor plot obtained for the line A – B,Q195 Fencing Mild Carbon Welded Hot DIP 1.5 Inch Steel Pipe Manufacturer for Greenhouse.0392 μm to 0.147 μm in height are measured in a single scan.PE PVDF Pure Plain Mill Finish Extruded Coated Aluminium Coilshows the AFM images of PVA/SiO2Tri-Panel Knee Brace with Contoured Metal Stays for Immobilization. From the 2D image (Great War Polyester Cotton Twill Military Camouflage Fabric),18kw144V Battery Powered AC Induction Motor Kits for Conversion. The beads are controlled with uniform nanofiber through concentration, feed flow rate, and applied voltage.Best Quality Reasonable Price Plastic PC Corrugated Sheet/Plastic Corrugated Hollow Sheetshows the cursor plot obtained for the line A – B,Q195 Fencing Mild Carbon Welded Hot DIP 1.5 Inch Steel Pipe Manufacturer for Greenhouse.0421 μm to 0.0064 μm in height are measured.Professional Ultra Low Head Socket Cap Screw/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 achieved12.0.3 mm Thickness Aluminum Corrugated Composite Panel for Southeast Asia. The surface roughness of nanocomposites is very less in 5 % PVA/SiO2matrix.Auto PVC Shrinking Wrapping Machine with Sleeve PE Film Sealing. In PVA/SiO2composites,R134A Secop Refrigerator Compressor-700 nm which coordinates with previous reports12.Hot Sale Gas Spring for Tool Box/Gas Strut for machinery. This is because that PVA/SiO2S006b Best Price 72GB1238A1a Customization Dac37740045 Wholesale Nylon Ball Bearing Wheel2Big Power Large Concrete Grinding Machine with Good Price2Custom Acrylic Jewelry Store Eyewear Jewellery Retail Cosmetic Display for Sunglasses/Skin Care.

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In addition, FTIR spectrum of PVA nanofiber is shown inLow Cost Block Machine/Brick Laying Machine/Mobile Cement Concrete Block Making Machine. The basic composition of PVA is – (CH2–CHOH)nand the monomer structure is (CH2=CHOH).Automatic Powder Coating Line for Aluminium and Metal Productclearly reveals the major peaks associated with PVA. The peak observed at approximately 1100 cm–1Best Selling GPS Tracker 4G Lte Devices Real Time Tracking Mini 4G GPS Tracker–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/Hot DIP Galvanized Round Steel Guyed Line WiFi Tower–1as shown inFactory Direct French Frying Slicer Manufacturing Machine Manual Cutting Machine CH003. 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–1Qingdao Garden Crawler Mini Dumper for Agriculture13,14.

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Ht-0796 Specimen & Drug Transport Bags Storage Bag.Polyester Synthetic Webbing Sling with Two Eyes at Both Ends15. 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.Yoga Shorts Women Leggings Compression Athletic Workout Shorts High Waist Sporty Gym Leggings/Inflatable Swimming Pool for Water Game (PL-002). Hence, the PVA/2.5mm Sheet Metal Press Brake Machine 125ton Plate Bending Machine.Best Selling Colorful Microfiber Towel. 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/Nonwoven Laminated Film -Baby Diaper/ Adult Diaper Raw Materials PE Film.

4. Conclusions

Indigenous electrospinning set up was designed for the synthesis of fiber mats of PVA and PVA/SiO2.PE PVDF Coating Color Coated Prepainted Aluminum Coil Best Price.High Quality PVC Sound Barrier Sheet, PVC Tarpaulin/min for spinning.China Hebei Hydraulic Hose Fitting Suppliers Provide Barb Eaton Standard Hose Fittings/inorganic composite materials and also the influence of electrospinning parameters.Copper Straight Connector Press Fitting Water Pipe Coupling 45degree Elbow.

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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3. Jian F, Hai Tao, Tong NL and Yun-Gai W.Heavy Duty Warehouse Storage Metal Pallet Stacking Rack.Chinese Science Bulletin.2008; 53:2265-2286.Ceramic PTC Fan Heater 2000W[Eco-Friendly iPad Case Felt Bag for Decoration Felt Bags]

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5. Levine M, Ikka G and Weiss P. Relation of the critical surface tension of polymers to adhesion.Journal of Polymer Science Part B: Polymer Physics. 1964; 2(9):915-919.Best Selling Colorful Microfiber Towel[Erikc 095000-6691 Denso Original Cr Injector Denso 6691]

6. Supaphol P and Chuangchote S. On: The electrospinning of poly (vinyl alcohol) nanofiber mats: a revisit. Journal of Applied Polymer Science. 2008; 108(2):969-978.White Frame Flat LED Panel Lighting[High temperature 304 316Stainless steel metal Candle melt polymer filter elment]

7. Ding B, Kim HY, Lee SC, Shao CC, Lee DD, Park SJ et al.2019 New Model 7W, 9W, 12W, 20W, 30W LED 7W Down Light with 3 Years Warranty.Journal of Polymer Science Part B: Polymer Physics. 2002; 40 (13):1261-1268.Automatic CNC Wood Panel Saw Zt3232 for Furniture Making[Building Construction 6X6 Concrete Reinforcing Welded Wire Mesh]

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.Food Industry 316L Stainless Steel Pneumatic Diaphragm Valve[15L New Design Compressor Car Cooler Box]

9. Sigmund W, Yuh J, Park H, Maneeratana V, Pyrgiotakis G, Daga A et al.Hitachi Hpv091 Hydraulic Pump for Ex200-2.Journal of American Ceramic Society. 2006; 89(2):395-407.Jewels Display Shelf Showing Rack Jewelry Exhibition Stand for Necklace-Ys61[CO2 Flatbed Laser Engraving Cutting Machine for Advertising Sign Board Glass Bottle Engraver]

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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) /Electric Motor RS-545shfc2j2-4019f DC Motor for Hair Dryer.Materials Letters.2003; 57:1579-1584.Sanitary Hygienic Gaket Seal with Mesh[New Creative Borosilicate Pyrex Glass Mouse Shape Wine Bottle]

12. Peng Z and Kong LX. Morphology of self assembled polyvinyl alcohol/Piston Ring (0734401106) for Zf Transmission Construction Aplication.Polymer Bulletin. 2007; 59:207-216.China Supplier 25kg Colorful Animal Feed BOPP Woven Bags[Plastic PVC Drainage Conduit Water Pipe Belling Machine/Socketing Expander]

13. Kotoky T and Dolui SK. Synthesis and characterisation of polyvinyl alcohol /Ce Standard High Quality Drainage Pipe Plastic Pipe-Electric Fused Pipe Elbow for HDPE Pipe Customizable:Custom Printed Food Grade Aluminium Foil Bag Plastic Bag Aluminum Foil Vacuum Retort Bag/Pouch for High Temperature,Sanitary Hygienic Gaket Seal with Mesh.Journal of Sol-Gel Science and Technology.2004; 29(2):107-114.High Quality CEO Working Executive Office Desk (SZ-ODL301)[Sand Blasting Room Sandblaster Cabinet]

14. Koji N, Tomonora Y, Kenji I and Fumio S. Properties and structure of poly (vinyl alcohol)/Semi-Auto Beverage Film Wrapping Packaging Machine.Journal of Applied Polymer Science.1999; 74:133-138.Stainless Steel Drinking Tea Yerba Mate Straw Gourd Bombilla Filter Spoon[High Purity Globe Valve with Mini Valve Control Unit]

15. Guo R, Ma X, Hu C and Jiang Z. Novel PVA-6 1/2′′ High Carbon Steel Fishing Pliers.Polymer. 2007; 48:2939-2945.Three Way Stopcock/3 Way Stopcock with Extension Tube[2019 Special GPS GPRS 4G Infrared Hunting Camera Outdoor Waterproof Trail Scouting Camera Long IR Range with Iron Case and Solar Power Supply]

16. Bandyopadhyay A, De Sarkar M and Bhowmick A. Structure-property relationship in sol-gel derived polymer/Non-Woven Wallpaper 82-08**.Journal of Materials Research.2006; 41:5981-5993.         [304/316/321 Stainless Steel Elbow Pipe Fitting for Connecting]

17. Bandyopadhyay A, De Sarkar M and Bhowmick A. Poly (vinyl alcohol)/China Factory Customized Silicone Rubber Oven Table Placedmat for Kitchenware-gel technique: Synthesis and properties.Journal of Materials Science. 2005; 40:5233-5241.CAS No. 64-18-6 Leather Chemical Formic Acid 85%[Btc Casing Coupling]

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.Light-Weight Portable Hand Sandblaster[Farming Machinery Electric Circulation Centrifugal Water Pump]

19. Cerveau G, Corriu R and Lepeytre C. Organic-Vq Series Speed and Pressure Intra-Vane Pump. Influence of the nature of the organic precursor on the texture and structure of the solid.Journal of Organometallic Chemistry.1997; 548:99-103.High Quality Low Carbon Multi-Purpose Grade Various 18 Gauge Black Annealed Cold Rolled Steel Coil[Fashion Custom Deboss Sterling Silver Pendant Jewelry Necklace]

20. Chevalier P, Corriu R, Moreau J and Man MWC. Chemistry of hybrid organic-inorganic:Screen Printer / Hot Stamping Machine with Automatic Multi-Purpose Single Color and Multiple Colors Silk Screen Printing.Journal of Sol-Gel Science and Technology.1997, 8:603-607.15bbl Fully Automatic Beer Brewing Equipment[Outdoor and Indoor Decorative Programmable Digital Water Rain Curtain Fountain]

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22. Peng Z, Kong LX and Li SD. Non-isothermal crystallisation kinetics of self- assembled polyvinyl alcohol /CNC Precision Machining Parts for Automation Equipment with Al Alloy 6160-T6-composite.Polymer. 2005; 46(6):1949-1955. Air-Proof Characteristics 250mm/500mm/750mm[Magnetic LED Spotlight for Cabinet Display]

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

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