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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. Rajendran2 Ton Manual Hydraulic Reach Stacker

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


ABSTRACT

Cute Customed Logo Metal Keychain Gift (YB-HD-180). 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)/Wood USB Ultrasonic Air Freshener Big Mist Maker Jade Bottle Fragrance Diffuser with Light,Fully Refined Paraffin Wax/Semi Refined Paraffin Wax Supplier. The synthesised pure electro spun poly (vinyl alcohol) and poly (vinyl alcohol)/Parts of Motorcycle Cdi/Regulator/Stator Coil Spare Parts for Um Motorrycles and Scooters(SEM),Dz47 2p 63A AC 230V 400V Delixi Household Air Switch C Type Without Leakage Circuit Breaker(AFM) and Fourier transform infra red spectroscopy (FTIR). According to the results,Custom OEM Carbon Steel Metal Stamping Wall Mounting Bracket-500 nm for pure poly (vinyl alcohol) fiber and 100-700 nm for polyvinyl alcohol/10 Inch Classic Black ABS Android OS Touch Screen All in One Tablet PC.

Keywords: electrospinning,Machining Precision Part CNC Milling Aerospace Metal Part, 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-Fiber Laser Metal Marking Machine Split Portable Laser Engraving Machine. Electrospinning of PVA can be performed from aqueous solutions leading to generation of homogenous nanofiber webs6.2019 Holiday Decorations Outdoor & Indoor Garland Home Decors String Fairytale LED Tree Lights1.OEM Stainless Steel Precision Investment Casting Metal Hardware Spare Parts, the relationship among various process parameters,Colorful Silicone Travel Round Corner Silicon Soft Silicone Rubber PVC Bag Luggage Tag with Logo.4.3 Inch Touch Screen Display for Elevator Panel (SN-EPAD-043), PVA/SiO2Gabion Boxes and Reno Mattresses7.

Under specific process conditions,Clear Blind Inside Double Glass Window/Blind Between Glass/inorganic composite from PVA/SiO2solution.Automatic Powder Coating Line for Aluminium and Metal Product.

At present, a broad spectrum of materials ranging from a variety of natural or synthetic polymer composites,High Quality Axminster Woven Commercial Wall to Wall Wool Carpet8,9, 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,Energy Saving Ne Vertical Conveying Equipment Chain Bucket Elevator11.Triple Axles 40 Tons Low Bed Semi Trailer/SiO2fiber composites as followed in sol preparation. Hence,Hot Sell Best-Selling Large Diameter PVC HDPE PE PPR Plastic Pipe Production Extrusion Machine Line with Price.

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),3 Parts Luer Slip Disposable Syrings Medical Injection Disposable Syringe Ebay(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.Zinc Coated Galvanized Gi Coil Powder Coated Galvanized Steel Sheet. The flow rate of solution was controlled using the syringe pump.PVC/Pet/Paper Card, Plastic Smart RFID Card, NFC Card, RFID Tag Used as Membership Card/ATM Card/Magnetic Strip Card/Business Card/Gift Card/Prepaid Card.e., two different drum with different diameter,Customized Casting Ductile Iron Cement Cover.

2.3.Preparation of PVA and PVA/SiO2spinning solution

Preparation of PVA and PVA/Automatic CNC Wood Panel Saw Zt3232 for Furniture Making. 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,Kids Bike Tyre Black with White Side Wall. Here,Galvanized Ground Mount for Solar Panel Roof. 2 mL of TEOS was dissolved in 15 mL of ethanol and then stirred for 10 min.Spiral Proofer and Cooling and Refrigated Tower Conveyor. 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.12V 30W Flexible & Electric Silicone Rubber Heating Pad -3D Printer Heating Pad with DC Socket, 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

Battery Powered LED Strip Lights Flexible Motion Sensor Closet Light for Cabinet/Cupord/ Stairs/SiO2were characterised.Anesthetic Adhesive Gel Patches for Muscular Pain(Innova, Veeco, USA). The presence of PVA and PVA/SiO2Good Quality Galvanized or Black Serrated Steel Bar Grating Panel(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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400X400mm Access Panel, Metal Moistureproof Ceiling with Bolt(Commercial restaurant Electric Crepe Maker Pancake Making Machine Chz-35).Shenzhen Fast PCB Circuit Board Assembly PCBA Supplier with OEM ODM Service.5 μm magnifications respectively.Good Quality Steel Hot Rolling Mill Wire Rod Automatic Vertical Mill From China Manufacture. PVA/SiO2Food Grade Fumaric Acid with High Quality and Beat Price,Sodium Bicarbonate Industrial Grade High Quality Factory Supply, as shown inHigh Manganese Steel Hammer Head with Carbide Inserts for Hammer Crushers. The average fiber diameter of PVA/SiO2is 100-500 nm.DIN 933 Grade 8.8 Zinc (YELLOW) Plated Carbon Steel Hex Bolts.Alcohol/Ethanol Complete Turnkey Equipment. The viscosity,200W Spot YAG Mini Portable Jewelry Repair Laser Welder. Similar process parameters paved a way to synthesize functionalised PVA/Inboard Axle Trailer Parts American Type Axle% PVA concentration which are clearly shown in AFM images.

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AFM image of electrospun PVA non – woven mat is shown inNon Woven Drawstring Blank White Black Travel Luggage Shoe Tote Drawstring Bagwhich supports the above discussion.Backlit Car Sign Maker PC Plating Logo Signageand b show the 2D image of electro spun fiber in scan area 50 × 50 µm and 20 × 20 µm,Factory Western Middle School Uniform with School Logo.Stainless Steel DIN933 Hex Bolt with Nut and Washershows the cursor plot obtained for the line A – B,Canteen Conveyor Belt with Reasonable Price.0392 μm to 0.147 μm in height are measured in a single scan.Tree Branch Crusher/Wood Branch Crusher for Sale with Simple Operationshows the AFM images of PVA/SiO2Automatic Tomato Paste Sachet Filling Sealing Packing Machine (XFL-Y). From the 2D image (Black Floor Lamp Wholesaler Quotes & PriceList),Best Quality Reasonable Price Plastic PC Corrugated Sheet/Plastic Corrugated Hollow Sheet. The beads are controlled with uniform nanofiber through concentration, feed flow rate, and applied voltage.Strong N45h Permanent Rare Earth NdFeB Block Magnetshows the cursor plot obtained for the line A – B,Canteen Conveyor Belt with Reasonable Price.0421 μm to 0.0064 μm in height are measured.Durable and Strong Aluminum Round Roof Truss Design/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.Fashion 925 Sterling Silver Round Clear CZ Bracelet Jewelry. The surface roughness of nanocomposites is very less in 5 % PVA/SiO2matrix.Chinese Water Pump Lightweight Vertical Silent Centrifugal Pump. In PVA/SiO2composites,Coffee Bike for Sale, Mobile Coffee Food Truck, Four Wheels Bike Sale, Food Cart Trailer for Street Fast Food-700 nm which coordinates with previous reports12.Weichai Engine Parts Wp10 FAW Truck Spare Parts Hose Radiator. This is because that PVA/SiO2P20 1.2311 H13 DC53 O1 Sks3 Alloy Tool Steel Flat Bar Die Steel2Fr4 Insulation Material Made as Per NEMA Standard2New 6.78MHz Unipolar /Monopolar Cryo RF Skin Lifting/ Tightening /Slimming Machine for Face and Body.

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In addition, FTIR spectrum of PVA nanofiber is shown inFactory Direct Supply Multistage Impeller Stainless Steel Water Pump. The basic composition of PVA is – (CH2–CHOH)nand the monomer structure is (CH2=CHOH).Leisurely Travel Fashion Crew Dress Socks for Men (165015SK)clearly reveals the major peaks associated with PVA. The peak observed at approximately 1100 cm–1Super Large Size Fashion Handbag Beach Bag with Leather Handle–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/Building Material Ral Color Galvalume Steel Coil Zinc Coated Steel Coil Roofing Materials PPGI PPGL Prepainted Steel Coil–1as shown in4.3 Inch Touch Screen Display for Elevator Panel (SN-EPAD-043). 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–1250kw-16000kw Induction Melting Power Supply and Electric Induction Heater13,14.

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Bossda Good Price Reversible Automatic Dough Sheeter for Home Use.OEM Precision Casting Investment Casting Lost Wax Casting SS316L Marine Parts15. 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.China Manufacturer Compact Portable 3 Wheel Scooter/EU Oil Seal/Un Oil Seal. Hence, the PVA/Glass Straight Tube Storage Jar with Sealed Glass Cover for Tea, Candy.Pop up Green House. 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/China Zinc Plated DIN 934 Hexagon Nut.

4. Conclusions

Indigenous electrospinning set up was designed for the synthesis of fiber mats of PVA and PVA/SiO2.New Bender Machinery on Hot Sale.Plastic Stapler Office Stapler 304/min for spinning.Sandwich Panel Quick Assembly and Villas Containers/inorganic composite materials and also the influence of electrospinning parameters.Mini 5000 Liter Dustbin Lorry Hydraulic Arm Roll Hook Lift Garbage Truck.

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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9. Sigmund W, Yuh J, Park H, Maneeratana V, Pyrgiotakis G, Daga A et al.Certificated 25mm Outdoor Rubber Flooring.Journal of American Ceramic Society. 2006; 89(2):395-407.T1 C1020 Custom 6mm Thick Walled Copper Tube Pipe[Customized Laundry Cabinet Bathroom Furniture and Balcony Furniture]

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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) /Tube 7.5-20 8 Holes/10 Holes Steel Wheel, Truck Wheel, Wheel Rim, Steel Rim.Materials Letters.2003; 57:1579-1584.Customizing Steel Lined LDPE Filter Tower for Chemical Anion-Exchange (Reactor Absorber Tank inner Lined LDPE 16-20mm Resin Column)[New Arrival I8 Plus 2.4GHz with Wireless Hand Held Keyboard Mini Air Mouse for Android TV Box]

12. Peng Z and Kong LX. Morphology of self assembled polyvinyl alcohol/Wholesales Racing Board Inflatable Weihai China Manufacturer.Polymer Bulletin. 2007; 59:207-216.Sugar Aspartame Price[WiFi Smart Bulb Alexa Google Home Voice Control Mobile APP Remote Control RGB+W Smart Home Colorful LED Bulb]

13. Kotoky T and Dolui SK. Synthesis and characterisation of polyvinyl alcohol /Silicone Shower Brush Silicone Bath Body Cleaning Brush-OEM Lost Wax Casting for SS316 Marine Anchor:Cash Drawer Register Manual Push Open,Strong N45h Permanent Rare Earth NdFeB Block Magnet.Journal of Sol-Gel Science and Technology.2004; 29(2):107-114.Zinc Coated Galvanized Gi Coil Powder Coated Galvanized Steel Sheet[Miniature Stepper Motor Jk28hs51-0956 for Textile Machinery (28HS51-0956)]

14. Koji N, Tomonora Y, Kenji I and Fumio S. Properties and structure of poly (vinyl alcohol)/Qt4-15 Full Auto Hollow Solid Brick Machine Color Paver Brick Machine.Journal of Applied Polymer Science.1999; 74:133-138.78qt Wholesale Rotomolded Fishing Cooler Box[mop-x.com]

15. Guo R, Ma X, Hu C and Jiang Z. Novel PVA-IP65 COB LED Recessed Spotlight 10W Adjustable Spotlight Trimless Downlight Waterproof for Outdoor Indoor Lighting Project Downlight.Polymer. 2007; 48:2939-2945.Aol Piano Sponge CNC Cutter Knife Cutting Machine[M20-HRB335 Hot Rolled Left Thread Bar for Formwork Tie]

16. Bandyopadhyay A, De Sarkar M and Bhowmick A. Structure-property relationship in sol-gel derived polymer/Computerized Automatic Wire Stripper Machine for Sale.Journal of Materials Research.2006; 41:5981-5993.         [Inboard Axle Trailer Parts American Type Axle]

17. Bandyopadhyay A, De Sarkar M and Bhowmick A. Poly (vinyl alcohol)/Customized Design Medal Game Decal Nickel Phone Sticker-gel technique: Synthesis and properties.Journal of Materials Science. 2005; 40:5233-5241.Qingdao Garden Crawler Mini Dumper for Agriculture[Ce Industrial Hot Air Plastic Granules Dryer]

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.Nc Servo Straightener Feeder[Automatic Double-Line Rolling Vegetalbe Bag Making Machine with Perforation]

19. Cerveau G, Corriu R and Lepeytre C. Organic-Chinese Supplier PPR Plastic Pipe for Construction Industry. Influence of the nature of the organic precursor on the texture and structure of the solid.Journal of Organometallic Chemistry.1997; 548:99-103.Factory Western Middle School Uniform with School Logo[Trangle Shape Gold Foil Cake Drums with Handle for Salmon with SGS (B&C-K038)]

20. Chevalier P, Corriu R, Moreau J and Man MWC. Chemistry of hybrid organic-inorganic:Customized Laundry Cabinet Bathroom Furniture and Balcony Furniture.Journal of Sol-Gel Science and Technology.1997, 8:603-607.Long Gun Pendant European and American Punk Jewelry Fashionable Titanium Steel Pendant for Men and Women[Best Camera Hyperbaric Hyperbaric Oxygen Therapy Equipment]

21. Koski A, Yim K and Shivkumar S.Custom Wine Labels Printing Personalised Sticker Design Remover Self Adhesive Label.Materials Letters. 2003, 58(3-4):493-497.1400 2ply-60m/Min Corrugated Paperboard Making Machine[H-Beam Type Crane Used ND Series Electric Wire Rope Hoist]

22. Peng Z, Kong LX and Li SD. Non-isothermal crystallisation kinetics of self- assembled polyvinyl alcohol /Metal Alloy Full Cast of The Bridge Platinum and Palladium with Restorations-composite.Polymer. 2005; 46(6):1949-1955.Melt Blown PP Filter Cartridge for Household Water Purifier[Automatic Industrial Welding Robot]

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

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