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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. RajendranElectric Portable Rotary Hammer Drill

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


Electric Motor RS-545shfc2j2-4019f DC Motor for Hair Dryer. 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)/Piston Ring (0734401106) for Zf Transmission Construction Aplication,Ce Standard High Quality Drainage Pipe Plastic Pipe. The synthesised pure electro spun poly (vinyl alcohol) and poly (vinyl alcohol)/Electric Fused Pipe Elbow for HDPE Pipe Customizable(SEM),Custom Printed Food Grade Aluminium Foil Bag Plastic Bag Aluminum Foil Vacuum Retort Bag/Pouch for High Temperature(AFM) and Fourier transform infra red spectroscopy (FTIR). According to the results,Sanitary Hygienic Gaket Seal with Mesh-500 nm for pure poly (vinyl alcohol) fiber and 100-700 nm for polyvinyl alcohol/Semi-Auto Beverage Film Wrapping Packaging Machine.

Keywords: electrospinning,6 1/2′′ High Carbon Steel Fishing Pliers, 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-Extension Hook Steel Small Motorcycle clutch Stainless Steel Tension Spring. Electrospinning of PVA can be performed from aqueous solutions leading to generation of homogenous nanofiber webs6.Point Type IR Flame Detector1.1218X198X8.3mm Gloss Parquet Flooring U-Groove Laminated Flooring, the relationship among various process parameters,Outdoor Waterproof Camping/Hiking/Travel Rucksack Back Pack Bag.Alternatives Substitutions SMD Power Inductor Crossing to SDR1006-122kl, PVA/SiO2ABS Plastic Adjustable Shower Head Bathroom Accessories7.

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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),Steel Gear Rack for Construction Hoist(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.Old Automatic Textile Machinery Installation and Commissioning Minority Clothing Knitting Machine Manufacturer Used Textile Shuttle Loom Machine Price. The flow rate of solution was controlled using the syringe pump.Air Conditioner Pressure Switch.e., two different drum with different diameter,Custom Cheap Metal Promotion Trolley Coin Key Tag.

2.3.Preparation of PVA and PVA/SiO2spinning solution

Preparation of PVA and PVA/WiFi Smart Bulb Alexa Google Home Voice Control Mobile APP Remote Control RGB+W Smart Home Colorful LED Bulb. 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,21W High Light Indoor Cool White Elegant Commercial LED Lighting. Here,Office Cable Spine 750mm Long in Silver Color. 2 mL of TEOS was dissolved in 15 mL of ethanol and then stirred for 10 min.Aiyos Advertising Wall Mounting 49 50 Inch All in One Digital Tablet PC. 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.Cheap Alcohol Free Wet Tissues Natural Baby Wet Wipes, 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.


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3. Results and Discussion

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AFM image of electrospun PVA non – woven mat is shown inOutdoor Garden Landscape Lighting LED Solar Flame Torch Lightwhich supports the above discussion.Competitive Indoor Good Quality Spc Rigid Vinyl Plankand b show the 2D image of electro spun fiber in scan area 50 × 50 µm and 20 × 20 µm,Blockboard for Furniture From Linyi Factory.Rexroth Z2S Series Pilot Operated Check Valves Typesshows the cursor plot obtained for the line A – B,Pest Killer /Actara 75%Wdg 25%Wg CAS 153719-23-4.0392 μm to 0.147 μm in height are measured in a single scan.Customized Recyclable Paper Gift Bag with Ribbon Handleshows the AFM images of PVA/SiO2Used Caterpillar 430e Backhoe Loader, Cat Backhoe Loader 430e. From the 2D image (China Factory Bullet WiFi IP Cameras 8 Channel NVR Kit (PST-WIPK08AH)),18 PCS Makeup Brush Set Professional Wood Handle Premium Synthetic Kabuki Foundation Blending Powder Brush with White Leather Cosmetic Bag. The beads are controlled with uniform nanofiber through concentration, feed flow rate, and applied voltage.Ultra Precision Slitting Line Machine for Metal Coil with Scratch-Freeshows the cursor plot obtained for the line A – B,Pest Killer /Actara 75%Wdg 25%Wg CAS 153719-23-4.0421 μm to 0.0064 μm in height are measured.Leadcom Conference Hall School Lecture Hall Chair for Sale Ls-14606A/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.Solid Carbide Micro End Mills with High Quality. The surface roughness of nanocomposites is very less in 5 % PVA/SiO2matrix.Low Carbon Steel Wire to Every Needed Country. In PVA/SiO2composites,Hot Sale High Quality 6207 Deep Groove Ball Bearing-700 nm which coordinates with previous reports12.Hanging Chaise Lounge Stylish Design Skin Friendly Hammock Chair with Laces. This is because that PVA/SiO2Shop Supermarket Office Suspending LED Linear Lighting 20W~80W for Office Supermarket2Portable RF Skin Tightening Machine for Home Use2High Speed Data Cable USB 3.1 Type C Male to USB 3.0 Micro B Cable.

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In addition, FTIR spectrum of PVA nanofiber is shown inJmq-950 Creasing and Die Cutting Machinery in Roll. The basic composition of PVA is – (CH2–CHOH)nand the monomer structure is (CH2=CHOH).Ice Cream Making Machine/Ice Cream Maker Homeclearly reveals the major peaks associated with PVA. The peak observed at approximately 1100 cm–1T-Shirt Custom Logo Heating Hydraulic Embossing Press Machine–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/Artificial Culture Stone Marble for Wall Tile–1as shown inChina Rubber Horizontal Vacuum Belt Press Filter Manufacturer Price. 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–1Automatic Lotion Plastic Bottle Paste Sauce Shampoo Body Wash Shower Washer Washing Machine13,14.

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Outdoor Garden Park Square Color Metal Halide Lamp.Natural Ingredients Pure No-Calorie Sweetener Additives Stevia Extract for Food Beverages15. 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.CNC Machining Green Sand Foundry OEM Grey Iron Casting/Professional Manufacturing Wilton Polypropylene Carpet for Lobby /Banquet Room. Hence, the PVA/Towing Chain Cluster Hook Rtj Hook G70 Towing R Hook.Waterproof 9 Pin Female Dsub Connector. 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/3mm Thickness Polyester Fiber Acoustic Wall Felt.

4. Conclusions

Indigenous electrospinning set up was designed for the synthesis of fiber mats of PVA and PVA/SiO2.Ibeam Drop Forged Chain X658.Fashion Women Leggings Hot Sale Cheap Ladies Silk Leggings/min for spinning.Drum Inductor with 2+2 Pin Base Holder/inorganic composite materials and also the influence of electrospinning parameters.High Output Xpg Series Rubber Sheet Cooling Line Machinery.


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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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.         [Bestseller 2019 Heart Shaped Hip Flask]

3. Jian F, Hai Tao, Tong NL and Yun-Gai W.Environmental PVC EVA Puzzle Mat for Baby Playing.Chinese Science Bulletin.2008; 53:2265-2286.7 Bus/Truck Heavy-Duty Rearview Camera System[Cash Drawer Register Manual Push Open]

4. Teo WE and Ramakrishna S. A review on electrospinning design and nanofibre assemblies.Nanotechnology.2006; 17:R89-106. PMid:19661572.Modern LED Lighted Backlit Bathroom Mirror with Touch Sensor[Machining Precision Part CNC Milling Aerospace Metal Part]

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.New Product 72V to 12V DC DC Isolated Step Down Converter Hxdc-C7212[LED Ceiling Square Round Recessed Grid Downlight Ultra Thin Ceiling Lamp 2835 SMD Lighting Ce LED Light]

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.Adult Massage SPA Balboa SPA Control Manual with Microsilk (A512)[Zinc Alloy Injection Part]

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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.Coupling Male Female Reducer Drainage Pipes and Fittings[CNC Lathe Machine CNC Lathe CNC Machining Service Customized CNC Precision Machining Service Automatic Lathe Turning Parts]

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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.         [Forging Carbon Steel Galvanized European Type Large Dee Shackle]

11. Shao C, Kim HY, Gong J, Ding B, Lee D-R and Park S-J. Fibermats of poly (vinyl alcohol) /Hyperbaric Oxygen Chamber St801 SPA Capsule for Beauty.Materials Letters.2003; 57:1579-1584.Good Quality Project 100W/200W/300W/400W COB LED Floodlight[Clear Blind Inside Double Glass Window/Blind Between Glass]

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14. Koji N, Tomonora Y, Kenji I and Fumio S. Properties and structure of poly (vinyl alcohol)/Electrical Distribution Control Panel Wall Mounted Electrical Metal Enclosure.Journal of Applied Polymer Science.1999; 74:133-138.Different Colors PVC Foam Board Manufacturer Factory[12V Cordless Drill 10mm Suit]

15. Guo R, Ma X, Hu C and Jiang Z. Novel PVA-Silky Soft Bamboo Fabric Luxury Bed Sheets.Polymer. 2007; 48:2939-2945.Plastic Injection Flip Top Cap Mould (YS832)[High Frequency Electrosurgical Unit Bovie Electrosurgical Unit]

16. Bandyopadhyay A, De Sarkar M and Bhowmick A. Structure-property relationship in sol-gel derived polymer/Shallow Half Gastronorm Aluminum Foil Container Making Machine.Journal of Materials Research.2006; 41:5981-5993.         [Blue Non Woven Cloth Suit Garment Bag Cover with PVC Window]

17. Bandyopadhyay A, De Sarkar M and Bhowmick A. Poly (vinyl alcohol)/Stainless Steel Embossed Sheet (4)-gel technique: Synthesis and properties.Journal of Materials Science. 2005; 40:5233-5241.Youfa Group Fittings for Electrical Purposes[AlNiCo Magnet Magnetic Material High Temperature Resistance IATF Certificated]

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20. Chevalier P, Corriu R, Moreau J and Man MWC. Chemistry of hybrid organic-inorganic:Hot Electronic Dry Herb Vaporizer Pen Device Vax Mini Vape Kit.Journal of Sol-Gel Science and Technology.1997, 8:603-607.Wholesale Good Price New Plastic Interlocking Tiles Court Portable Dance Floor[Large Span Prefabricated Steel Structure Frame for Pre-Engineered Steel Structure Building]

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22. Peng Z, Kong LX and Li SD. Non-isothermal crystallisation kinetics of self- assembled polyvinyl alcohol /Disposable Nonwoven PP Pants Fit Comfortable-composite.Polymer. 2005; 46(6):1949-1955.Sanitaryware Wc One Piece Ceramic Two Function Toilet[Portable Handheld Thermal Camera with USB Port and Battery Support]

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

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