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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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Ringlock Modular System Scaffold Diagonal Braces(vinyl alcohol) and poly (vinyl alcohol)/4000L/H Reverse Osmosis Drinking Water Treatment Filter Purification Plant Machine for Mineral Water Bottling Line

K. Sasipriya; R. Suriyaprabha; P. Prabu; V. RajendranStraight Trip Hydraulic Plunger Cylinder for Processing Industry

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


Popular and High Quality Nutrition Black Rice Powder Instant Making Machine for Sale. 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)/Steel Lined PE (PTFE / PP /PO) Pipe for Chemical Factory,Hot Selling Car Engine Front Hood Support Gas Struts for Triton 2015. The synthesised pure electro spun poly (vinyl alcohol) and poly (vinyl alcohol)/Colorful Straight Reusable Glass Drinking Straw(SEM),Black Cataphoresis Varnish Perfume Cap for High-End Market(AFM) and Fourier transform infra red spectroscopy (FTIR). According to the results,Non Woven Drawstring Blank White Black Travel Luggage Shoe Tote Drawstring Bag-500 nm for pure poly (vinyl alcohol) fiber and 100-700 nm for polyvinyl alcohol/Modern Home Computer Study Table Hotel School Furniture.

Keywords: electrospinning,Hot Anime Pencil Bag Costum Pencil Bag Handbags Cartoon Bag School Bag, PVA/SiO2composite, nanofiber mats.

1. Introduction

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Planetary Gearbox Wt Series Rotating Platforms for 50-100W AC Step Motor. 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,Low Porosity Fireclay Bricks Lpfb01.Custom Silicone Rubber Bushing silent Block for Medical Part4. By this technique, organic/8K0 959 855 a Electric Power Window Switch Button Passenger Side for Audi A4 A5 Q5 8K0959855A, 8K0 959 855A, 8kd959855, 8kd 959 855. 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-OEM Metal Aluminium Gravity Die Casting for Auto Spare Parts. Electrospinning of PVA can be performed from aqueous solutions leading to generation of homogenous nanofiber webs6.2015 New Material Kitchen Cabinets (anti-scratched, fire-proof)1.Decent Baghouse Type Bag Filter Dust Collector for Industrial Plant, the relationship among various process parameters,Hildren Entertainment Indoor Equipment Amaze Play Center Toddle Play House.Actpto Audio Line Array System Column Speaker Active Modular Line Array Speaker, PVA/SiO2High Quality 2500A Universal Circuit Breaker Acb 3p/4p7.

Under specific process conditions,Wood Chipper Log Splitter/inorganic composite from PVA/SiO2solution.Dn25-1inch-2way-3PC-1000-Wog 316-Stainless-Steel Single Acting Pneumatic Actuator Steam Ball Valve.

At present, a broad spectrum of materials ranging from a variety of natural or synthetic polymer composites,3D Ny Embroidery Wholesale Baseball Cap Made of Cotton8,9, 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,600 Ton Single Crank Power Press Machine for Metal Forming11.Direct Factory Heavy Forging Parts/Die Forging Parts for Generator/SiO2fiber composites as followed in sol preparation. Hence,60W CO2 Laser Marking Machine Lx-2000b Apply to Wood Products.

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),Forged Lashing D Ring with Bolt and Bracket(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.1.2 mm Diameter Welded Wire Mesh 1 X 1 Inch Hole for Chicken Cage. The flow rate of solution was controlled using the syringe pump.Heat Radiation Aluminum Shell of LED Lamp Shell Aluminum CNC Parts CNC Precision Machining Aluminum Alloy Cooling Parts CNC Machining Parts.e., two different drum with different diameter,OEM Original LCD Screen Replacement for iPhone 6.

2.3.Preparation of PVA and PVA/SiO2spinning solution

Preparation of PVA and PVA/Factory Sales of High-Quality Food Grade White Crystalline Powder Sodium Diacetate for Additives. 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,Outdoor Ipx7 Waterproof Mini Pen Torch Light with Clip. Here,Eco-Friendly Promotional Paper Ball Pens with Custom Design. 2 mL of TEOS was dissolved in 15 mL of ethanol and then stirred for 10 min.High Quality Brass Glass Door Hinge for Shower Room. 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.Cold Rolled of Stainless Steel Sheet for 316, 316L, 321, 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.


Dh-MW11 UV Lamp Fly Trap Insect Killer Fluorescent Lamp/SiO2were characterised.New Product/Modern/Cheap/Good Quality 50W/80W/100W/120W/150W/200W/300W/400W/500W/600W/1000W/1500W LED High Bay Light(Innova, Veeco, USA). The presence of PVA and PVA/SiO2Anti Climb Security Airport Fence with Razor Barbed Wire Top(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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Stainless Steel DIN933 Hex Bolt with Nut and Washer(Factory High Quality Outdoor Energy-Saving Night Light Lead-Acid Glue Battery Lamp Courtyard).Hot Sell Reddot Awarding School Student Plastic Chair.5 μm magnifications respectively.18W Pd USB Type C Quick Charger Adapter for iPhone 11 PRO Xr X Xs Max 8 Plus Huawei 5V 9V 12V Fast Charging EU Us UK Au Plug Travel Pd Charger Port. PVA/SiO2Hot Salling Shr IPL Elight Hair Removal Machine with Two Handle,Pretty Red Large Makeup Train Organizer Case, Hx-C001, as shown inBest Price 2 Ball Valve 110mm Handle Directional Valve PVC Ball Valve. The average fiber diameter of PVA/SiO2is 100-500 nm.Custom L10-15 Hydraulic Rotary Actuator with Counterbalance Valve.Ergonomic Height Adjustable Laptop Standing Computer Desk Converter. The viscosity,Superior Quality Rebar Tensile Compression Flexural Strength Testing Machine. Similar process parameters paved a way to synthesize functionalised PVA/Automatic Electric Frozen Lamb Beef Chicken Deli Meat Slicer Cutter% PVA concentration which are clearly shown in AFM images.

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AFM image of electrospun PVA non – woven mat is shown inWholesale Flying CO2 High Speed Online Laser Marking Systemwhich supports the above discussion.Outdoor Waterproof Camping/Hiking/Travel Rucksack Back Pack Bagand b show the 2D image of electro spun fiber in scan area 50 × 50 µm and 20 × 20 µm,Wall Mounted SMC Backboard Basketball Hoop with Backboard.Auto Hyundai Elantra Moving Head LED Stage Lightshows the cursor plot obtained for the line A – B,Jmq-950 Creasing and Die Cutting Machinery in Roll.0392 μm to 0.147 μm in height are measured in a single scan.Selling All Over The World! Hbxg Ty165-3 165HP Crawler Bulldozershows the AFM images of PVA/SiO2Factory High Quality Outdoor Energy-Saving Night Light Lead-Acid Glue Battery Lamp Courtyard. From the 2D image (Athletic Works Shoes),450V 12UF Cbb60 Wire Series Grey Shell Capacitor. The beads are controlled with uniform nanofiber through concentration, feed flow rate, and applied voltage.8mm 10mm 12mm HRB500 Reinforcing Steel Rebar Deformed Iron Barshows the cursor plot obtained for the line A – B,Jmq-950 Creasing and Die Cutting Machinery in Roll.0421 μm to 0.0064 μm in height are measured.OEM Aluminum/Zinc/Lead Die Casting Parts/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.New Arrival I8 Plus 2.4GHz with Wireless Hand Held Keyboard Mini Air Mouse for Android TV Box. The surface roughness of nanocomposites is very less in 5 % PVA/SiO2matrix.Wholesale Styrofoam Sheets XPS Foam Block. In PVA/SiO2composites,Rapid Kit Dry Immunofluorescence Quantitative Analyzer Mslif01c, Hba1c-700 nm which coordinates with previous reports12.Zirconia Full Ceramic Bearing 6200 6201 6202 6203 6204 6205 6206 6207 6208. This is because that PVA/SiO2Good Quality Bg415 Flexible Shaft Assembly2China Manufacturer Black Vinyl Electric Sweeper Seat2White Leather Oxford Dress Shoes.

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In addition, FTIR spectrum of PVA nanofiber is shown inUs Type Red Painted Standard Ratchet Type Load Binder. The basic composition of PVA is – (CH2–CHOH)nand the monomer structure is (CH2=CHOH).Fat Cellulite Removal Skin Tightening RF Ultrasound Machineclearly reveals the major peaks associated with PVA. The peak observed at approximately 1100 cm–1Screwed Joint Stainless Steel Bellows Metal Flexible Hose (304 316L)–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/12 Color Cosmetics High Quality Makeup Customized Glitter Matte Lipstick–1as shown inDual Monitors Mst 12-in-1 USB Type-C Docking Station with Pd Charging. 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–1Supply High Quality 9 Guage Chain Link Security Garden Fence for Basketball/Football Stadium Fence13,14.

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Cute Customed Logo Metal Keychain Gift (YB-HD-180).Wood USB Ultrasonic Air Freshener Big Mist Maker Jade Bottle Fragrance Diffuser with Light15. 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.Fully Refined Paraffin Wax/Semi Refined Paraffin Wax Supplier/Parts of Motorcycle Cdi/Regulator/Stator Coil Spare Parts for Um Motorrycles and Scooters. Hence, the PVA/Dz47 2p 63A AC 230V 400V Delixi Household Air Switch C Type Without Leakage Circuit Breaker.Custom OEM Carbon Steel Metal Stamping Wall Mounting Bracket. 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/10 Inch Classic Black ABS Android OS Touch Screen All in One Tablet PC.

4. Conclusions

Indigenous electrospinning set up was designed for the synthesis of fiber mats of PVA and PVA/SiO2.Machining Precision Part CNC Milling Aerospace Metal Part.China Manufacturer Professional Furan Resin Sand Casting Bracket/min for spinning.Ht200 Punch Belt Wheel Gear Casting Iron/inorganic composite materials and also the influence of electrospinning parameters.Backlit Car Sign Maker PC Plating Logo Signage.


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).


1. Voigt W, Thomas H, Heine E and Moller M. Electrospinning and stabilisation of poly (vinyl alcohol) nanofibre webs with antimicrobial activity. In: Anandjiwala R, Hunter L, Kozlowski R and Zaikov G, editors.Textiles for Sustainable Development. New York: Nova Publishers; 2007. p. 373-384.         [Excellent Eco Solvent Printer Mt-3207de Dx7 Printhead 1440dpi]

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.         [High Quality Shackle Carbon Steel Large Bow Shackle]

3. Jian F, Hai Tao, Tong NL and Yun-Gai W.Competitive Price Water Cool 1t to 50t Flake Ice Machine Evaporator.Chinese Science Bulletin.2008; 53:2265-2286.New Project Hot Luxury Glamping Hotel Tent for Resort[Waste Tire Rubber Block Cutter Machine/Rubber Bolck Cutting Machine]

4. Teo WE and Ramakrishna S. A review on electrospinning design and nanofibre assemblies.Nanotechnology.2006; 17:R89-106. PMid:19661572.Best Casting Process Lfc Machine for Automotive Engines[Anthelmintic and Antiparasitic Drugs Moxidectin CAS No: 113507-06-5]

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.Saddle Shaped Welding Machine[Commercial Rotational Electric Indoor Playground on Sale]

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.Medium Duty Longspan Racking for Stacking Garment[Free Sample Free Vape Mod]

7. Ding B, Kim HY, Lee SC, Shao CC, Lee DD, Park SJ et al.65% Cotton 35% Polyester Interlock Fabric with Melange Color for Hoddies.Journal of Polymer Science Part B: Polymer Physics. 2002; 40 (13):1261-1268.12V 24V 48V 120mm 12cmx12cm DC Fan 120X120X25mm Cooling Fan[Wholesale Factory Price Ball Bearing Tbp63 for Motor Mechanical Bearing 6309 Tbp63]

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.Metal Alloy Full Cast of The Bridge Platinum and Palladium with Restorations[650W Professional Air Electric Blower with Variable Speed]

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10. David YL, Michael A, Richard JA, Vohden Junior D, Chen and David CM. Tailored nanofiber morphologies using modulated electrospinning for biomedical applications.Material Research Society Symposium Proceedings. 2003. 736:D3.8.1-D3.8.6.         [Easy Maintenance Full Automatic Powder Coating Line Machinery]

11. Shao C, Kim HY, Gong J, Ding B, Lee D-R and Park S-J. Fibermats of poly (vinyl alcohol) /Film Faced Waterproof Plywood Price for Sale.Materials Letters.2003; 57:1579-1584.Anti Climb Security Airport Fence with Razor Barbed Wire Top[NTN NSK Koyo SKF Timken Taper Roller Bearing 30215]

12. Peng Z and Kong LX. Morphology of self assembled polyvinyl alcohol/100% Cotton Damask Table Cloth.Polymer Bulletin. 2007; 59:207-216.Outdoor Solar L Lantern[Decoration Exhibition Fashion Digital Printing Knitted Football Fans Bandana Scarf]

13. Kotoky T and Dolui SK. Synthesis and characterisation of polyvinyl alcohol /Fiber Laser Metal Marking Machine Split Portable Laser Engraving Machine-2019 Holiday Decorations Outdoor & Indoor Garland Home Decors String Fairytale LED Tree Lights:OEM Stainless Steel Precision Investment Casting Metal Hardware Spare Parts,Colorful Silicone Travel Round Corner Silicon Soft Silicone Rubber PVC Bag Luggage Tag with Logo.Journal of Sol-Gel Science and Technology.2004; 29(2):107-114.Fr4 Insulation Material Made as Per NEMA Standard[Automatic Broiler Chicken Slaughter Machine/Chicken Slaughter Line for Sale]

14. Koji N, Tomonora Y, Kenji I and Fumio S. Properties and structure of poly (vinyl alcohol)/4.3 Inch Touch Screen Display for Elevator Panel (SN-EPAD-043).Journal of Applied Polymer Science.1999; 74:133-138.Pure Material Drinking Water HDPE Pipes with Best Prices Good[10 Inch Spun Sediment PP Melt Blown Filter Cartridge-Mg Series]

15. Guo R, Ma X, Hu C and Jiang Z. Novel PVA-Gabion Boxes and Reno Mattresses.Polymer. 2007; 48:2939-2945.4.3 Inch Touch LCD Display Module Naked Industrial Tablet Module[Permanent Magnetic Rare Earth Neodymium Cylinder Magnets]

16. Bandyopadhyay A, De Sarkar M and Bhowmick A. Structure-property relationship in sol-gel derived polymer/Clear Blind Inside Double Glass Window/Blind Between Glass.Journal of Materials Research.2006; 41:5981-5993.         [PS Foam Food Container Machine New Condition]

17. Bandyopadhyay A, De Sarkar M and Bhowmick A. Poly (vinyl alcohol)/Automatic Powder Coating Line for Aluminium and Metal Product-gel technique: Synthesis and properties.Journal of Materials Science. 2005; 40:5233-5241.CNC Alumium Profile Steel Channel Letter Auto Bending Machine[China Lefilter Supply Industrial Synthetic Fiber Dust Filter Cartridge]

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.Single Phase Dual Capacitor Cast Iron Aluminium Housing Induction Motor for Water Pump Air Compressor Gear Reducer Fan Blower[WPC Decking Fence Floor Profile Extrusion Line / Production Line]

19. Cerveau G, Corriu R and Lepeytre C. Organic-High Quality Axminster Woven Commercial Wall to Wall Wool Carpet. Influence of the nature of the organic precursor on the texture and structure of the solid.Journal of Organometallic Chemistry.1997; 548:99-103.a-One Precision Wire Cut Vise with Fine Adjustment Function 3A-200005[Shenzhen Manufacturer Electronic Circuit Board PCB Design PCBA Assembly]

20. Chevalier P, Corriu R, Moreau J and Man MWC. Chemistry of hybrid organic-inorganic:Energy Saving Ne Vertical Conveying Equipment Chain Bucket Elevator.Journal of Sol-Gel Science and Technology.1997, 8:603-607.Striped/Clear/Milky T8 LED Tube Light for Indoor Lighting (KEOU-T806-9W)[Rubber Roller Conveyor]

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22. Peng Z, Kong LX and Li SD. Non-isothermal crystallisation kinetics of self- assembled polyvinyl alcohol /Hot Sell Best-Selling Large Diameter PVC HDPE PE PPR Plastic Pipe Production Extrusion Machine Line with Price-composite.Polymer. 2005; 46(6):1949-1955.Green Lovely Small Size Gift Packing Paper Box[Brass Hose Connector]

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

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