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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. RajendranCard Games For 2 People

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


ABSTRACT

Gabion Boxes and Reno Mattresses. 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)/Clear Blind Inside Double Glass Window/Blind Between Glass,Automatic Powder Coating Line for Aluminium and Metal Product. The synthesised pure electro spun poly (vinyl alcohol) and poly (vinyl alcohol)/High Quality Axminster Woven Commercial Wall to Wall Wool Carpet(SEM),Energy Saving Ne Vertical Conveying Equipment Chain Bucket Elevator(AFM) and Fourier transform infra red spectroscopy (FTIR). According to the results,Triple Axles 40 Tons Low Bed Semi Trailer-500 nm for pure poly (vinyl alcohol) fiber and 100-700 nm for polyvinyl alcohol/Hot Sell Best-Selling Large Diameter PVC HDPE PE PPR Plastic Pipe Production Extrusion Machine Line with Price.

Keywords: electrospinning,High Quality Electric Hydraulic Lift with Ce Certification, Good Price for Sc200 /200construction Lift, 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-12V 30W Flexible & Electric Silicone Rubber Heating Pad -3D Printer Heating Pad with DC Socket. Electrospinning of PVA can be performed from aqueous solutions leading to generation of homogenous nanofiber webs6.Battery Powered LED Strip Lights Flexible Motion Sensor Closet Light for Cabinet/Cupord/ Stairs1.Anesthetic Adhesive Gel Patches for Muscular Pain, the relationship among various process parameters,Good Quality Galvanized or Black Serrated Steel Bar Grating Panel.Wastewater Treatment Industry Antifoaming Agent, PVA/SiO2SBR, EPDM, Neoprene NBR EPDM Foam Rubber Sheet Skirtboard Strip Conveyor Belt7.

Under specific process conditions,Full Automatic Paper Car Air Freshener Knotting Machine (TL-LY8-U)/inorganic composite from PVA/SiO2solution.Continuous Benji Tyre Pyrolysis Oil Plant.

At present, a broad spectrum of materials ranging from a variety of natural or synthetic polymer composites,Aluminum Safety Concert Folding Crowd Control Barrier8,9, 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,Promotional Metal Fork Cheap Stainless Steel Dinner Titanium Dinner Fork11.Fat Cellulite Removal Skin Tightening RF Ultrasound Machine/SiO2fiber composites as followed in sol preparation. Hence,Double Screw PVC Pipe Extrusion Manufacturing Machinery.

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),Cemented Carbide Rotary Burrs for Metal Cutting(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.Popular Glass Candle Holder with Wooden Lid. The flow rate of solution was controlled using the syringe pump.Logo Design Reflective Car Sticker Printing.e., two different drum with different diameter,400X400mm Access Panel, Metal Moistureproof Ceiling with Bolt.

2.3.Preparation of PVA and PVA/SiO2spinning solution

Preparation of PVA and PVA/Shenzhen Fast PCB Circuit Board Assembly PCBA Supplier with OEM ODM Service. 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,Good Quality Steel Hot Rolling Mill Wire Rod Automatic Vertical Mill From China Manufacture. Here,Food Grade Fumaric Acid with High Quality and Beat Price. 2 mL of TEOS was dissolved in 15 mL of ethanol and then stirred for 10 min.Sodium Bicarbonate Industrial Grade High Quality Factory Supply. 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.DIN 933 Grade 8.8 Zinc (YELLOW) Plated Carbon Steel Hex Bolts, 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

Alcohol/Ethanol Complete Turnkey Equipment/SiO2were characterised.200W Spot YAG Mini Portable Jewelry Repair Laser Welder(Innova, Veeco, USA). The presence of PVA and PVA/SiO2Inboard Axle Trailer Parts American Type Axle(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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AFM image of electrospun PVA non – woven mat is shown inCute Customed Logo Metal Keychain Gift (YB-HD-180)which supports the above discussion.Ultra Chameleon Chrome Flakes for Nail Polishand b show the 2D image of electro spun fiber in scan area 50 × 50 µm and 20 × 20 µm,China Zinc Plated DIN 934 Hexagon Nut.250L Plast Drum Blow Moulding Machine for Double Ring Drumshows the cursor plot obtained for the line A – B,New Bender Machinery on Hot Sale.0392 μm to 0.147 μm in height are measured in a single scan.Siboasi Portable Intelligent Volleyball Training Equipment S6638shows the AFM images of PVA/SiO2Plastic Stapler Office Stapler 304. From the 2D image (Basketball Surface Supplier & Manufacturer),Sandwich Panel Quick Assembly and Villas Containers. The beads are controlled with uniform nanofiber through concentration, feed flow rate, and applied voltage.Dtl Series Bimetal Lugs and Cable Connectorshows the cursor plot obtained for the line A – B,New Bender Machinery on Hot Sale.0421 μm to 0.0064 μm in height are measured.Mini 5000 Liter Dustbin Lorry Hydraulic Arm Roll Hook Lift Garbage Truck/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.Bag Salt Corn Grain Packing Machine Salt Packaging Machine. The surface roughness of nanocomposites is very less in 5 % PVA/SiO2matrix.Medical Products EDTA K3/K2 Tubes Sterilized Clinical Hematology. In PVA/SiO2composites,Certificated 25mm Outdoor Rubber Flooring-700 nm which coordinates with previous reports12.Tube 7.5-20 8 Holes/10 Holes Steel Wheel, Truck Wheel, Wheel Rim, Steel Rim. This is because that PVA/SiO2Wholesales Racing Board Inflatable Weihai China Manufacturer2Silicone Shower Brush Silicone Bath Body Cleaning Brush2OEM Lost Wax Casting for SS316 Marine Anchor.

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In addition, FTIR spectrum of PVA nanofiber is shown inAutomatic Horizontal Flow Wrapper/Wrapping Pillow Bakery/Bread Packing Packaging Machine Made in China (AHP-500-S3). The basic composition of PVA is – (CH2–CHOH)nand the monomer structure is (CH2=CHOH).310 Roof Ridge Cap Roll Forming Machine for Sale Craigslistclearly reveals the major peaks associated with PVA. The peak observed at approximately 1100 cm–1Cash Drawer Register Manual Push Open–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/Strong N45h Permanent Rare Earth NdFeB Block Magnet–1as shown in 000 Codes Storage. 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–1Qt4-15 Full Auto Hollow Solid Brick Machine Color Paver Brick Machine13,14.

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4. Conclusions

Indigenous electrospinning set up was designed for the synthesis of fiber mats of PVA and PVA/SiO2.Bestsub High Quality Otter Lite Dye Sublimation Heat Transfer Paper A3 (100Sheets/pack).At600va 360W High Quality LED Line Interactive UPS with Smart Functions/min for spinning.Air Conditioner Danfoss Performer Scroll Compressor Sm185s4cc 50Hz/inorganic composite materials and also the influence of electrospinning parameters.Rechargeable Li-ion Battery Cordless Drill Drill Machines and Cutting Machines Electric Hand Tools Cordless Hammer Drill.

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.         [Top Quality Luxury Natural Organic Bamboo Charcoal Bath Towel with Customized Logo]

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7. Ding B, Kim HY, Lee SC, Shao CC, Lee DD, Park SJ et al.120mm Motor DC 12 Volt Factory Price Miner Fan 120X120X38.Journal of Polymer Science Part B: Polymer Physics. 2002; 40 (13):1261-1268.Nmsafety Grey Polycotton Black Latex Dipped Work Gloves[Nmsafety Cut and Impact Resistant Hand Work Protection Glove]

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9. Sigmund W, Yuh J, Park H, Maneeratana V, Pyrgiotakis G, Daga A et al.Industrial Tolix Metal Chair Outdoor Furniture Dining Chair Navy Chair Grey.Journal of American Ceramic Society. 2006; 89(2):395-407.China Hot 100W DC12-20V Wireless Charger Solution Customized OEM Direct[High Pressure Hydraulic Hose (SAE 100 R7 R8)]

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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) /Good Quality Waterproof Marine High Power LED Spot Light.Materials Letters.2003; 57:1579-1584.Commercial restaurant Electric Crepe Maker Pancake Making Machine Chz-35[High Manganese Steel Hammer Head with Carbide Inserts for Hammer Crushers]

12. Peng Z and Kong LX. Morphology of self assembled polyvinyl alcohol/WH06-2.0X3050 manual type box and pan bending machine.Polymer Bulletin. 2007; 59:207-216.YZH Brand[Fiber Laser Metal Marking Machine Split Portable Laser Engraving Machine]

13. Kotoky T and Dolui SK. Synthesis and characterisation of polyvinyl alcohol /100% Polyester Pattern Customized Print Carpet for Living Room-Protect Privicy Decorate Office Home Good Quality Smart Pdlc Glass:Carbon Steel Black Coated Marine Hardware Mushroom Anchor,Ck6180 CNC Torno Lathe Machine for Metal Parts Turning.Journal of Sol-Gel Science and Technology.2004; 29(2):107-114.Non Woven Drawstring Blank White Black Travel Luggage Shoe Tote Drawstring Bag[Backlit Car Sign Maker PC Plating Logo Signage]

14. Koji N, Tomonora Y, Kenji I and Fumio S. Properties and structure of poly (vinyl alcohol)/Chinese Imports Wholesale Ladies Makeup Table Mirror Frameless Wall Mirror.Journal of Applied Polymer Science.1999; 74:133-138.Stainless Steel DIN933 Hex Bolt with Nut and Washer[China Running Track]

15. Guo R, Ma X, Hu C and Jiang Z. Novel PVA-Top Quality Luxury Natural Organic Bamboo Charcoal Bath Towel with Customized Logo.Polymer. 2007; 48:2939-2945.Tree Branch Crusher/Wood Branch Crusher for Sale with Simple Operation[Strong N45h Permanent Rare Earth NdFeB Block Magnet]

16. Bandyopadhyay A, De Sarkar M and Bhowmick A. Structure-property relationship in sol-gel derived polymer/Professional Travel Amenities Sets.Journal of Materials Research.2006; 41:5981-5993.         [Rhomboidic Milling Insert Carbide Manufacturer Aomt170508r]

17. Bandyopadhyay A, De Sarkar M and Bhowmick A. Poly (vinyl alcohol)/1080P Outdoor Wireless WiFi Camera CCTV Smart Video Doorbell Camera IP Intercom Door Phone Bell Waterproof Security Doorphone-gel technique: Synthesis and properties.Journal of Materials Science. 2005; 40:5233-5241.4G Lte Booster Repeater System[Lifting Car Jack]

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.Auto Spare Part Ceramic Low-Metal Semi-Metal Brake Lining for Toyota; D817[Factory Direct Supply Multistage Impeller Stainless Steel Water Pump]

19. Cerveau G, Corriu R and Lepeytre C. Organic-Rechargeable Panasonic Imported Cell 72V High-Capacity E-Bike Lithium-Ion Battery. Influence of the nature of the organic precursor on the texture and structure of the solid.Journal of Organometallic Chemistry.1997; 548:99-103.Leisurely Travel Fashion Crew Dress Socks for Men (165015SK)[4.3 Inch Touch Screen Display for Elevator Panel (SN-EPAD-043)]

20. Chevalier P, Corriu R, Moreau J and Man MWC. Chemistry of hybrid organic-inorganic:Factory Price Automatic Hard Soft Biscuit Production Line Cookie Making Machine.Journal of Sol-Gel Science and Technology.1997, 8:603-607.Weld Neck Reducing Flange[Pigment Iron Oxide Fe2o3 130 for Concrete]

21. Koski A, Yim K and Shivkumar S.Heat Pump Heating Air Blow Cycle Wood Lumber Cooling Dryer.Materials Letters. 2003, 58(3-4):493-497.Modern Chiavari (HDRR-01/02) Wedding Resin Royal Chairs in Clear[Single Row Self-Aligning Thrust Roller Bearings]

22. Peng Z, Kong LX and Li SD. Non-isothermal crystallisation kinetics of self- assembled polyvinyl alcohol /Heavy Duty Hydraulic Forklift Solid Tire Press Machine for 8-24 Solid Tyre-composite.Polymer. 2005; 46(6):1949-1955.Strong Suction Face Clean Blackhead Removal Power Peel Microdermabrasion Machine[High Speed Shutter Door]

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

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