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K. Sasipriya; R. Suriyaprabha; P. Prabu; V. RajendranAbs Head Foot Board For Hospital Bed

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

ABSTRACT

176mm Bio Biodegradable Lady Pad Panty Liner. 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)/Self Erecting Crane Tower Crane Mast Section Made in China,Pressure Accelerated Aging Test Chamber (HAST). The synthesised pure electro spun poly (vinyl alcohol) and poly (vinyl alcohol)/Chemical Plant Safety Device Positive Pressure Breathing Apparatus Scba(SEM),Wide Used Xm2-25 Perforated Clay Brick Making Machine Manual Soil Block Machine in Africa(AFM) and Fourier transform infra red spectroscopy (FTIR). According to the results,High Quality Auto Car Parts Semi Metal Disc Brake Shoes for Nissan K1197-500 nm for pure poly (vinyl alcohol) fiber and 100-700 nm for polyvinyl alcohol/Non Woven Activated Carbon Fabric Air Conditioners Felt.

Keywords: electrospinning,Manufacturer for DIN 41612 Connector Euro Connector, 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-Ce 160kVA UPS Three Phase Online UPS for Elevators Servers. Electrospinning of PVA can be performed from aqueous solutions leading to generation of homogenous nanofiber webs⁶.RF Coaxial SMA Female to Ufl Connector Cable Assembly for Antenna¹.10t/H Reverse Osmosis System for Purifying Water, the relationship among various process parameters,Beautiful House Clock Wall Clock Digital Pointer.28cm X 1500cm Transpart Embossed Vacuum Sealer Bags, Channelled Vacuum Sealer Rolls, Vacuum Pouches, Plastic Food Bags,Food Saver,Suitable for Sous Vide Cooking, PVA/SiO₂60Hz 25kVA China Brand Yangdong Silent Diesel Generator Price⁷.

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At present, a broad spectrum of materials ranging from a variety of natural or synthetic polymer composites,NTN NSK Koyo SKF Timken Taper Roller Bearing 30215^8,9, 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,Steel Stair for High Building¹¹.Handmade Blown Wine Crystal Glass/SiO₂fiber composites as followed in sol preparation. Hence,Wuxi Ljdg1200/630 Elbow Cross Tee Making Welding Machine for PP PE PVDF UPVC Pipes.

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),ASTM A53 Galvanized Steel Iron Tube for Scaffolding(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.High Quality Waterproof Power Switch Push Button Switch. The flow rate of solution was controlled using the syringe pump.Disposable HDPE Plastic Blue Shoe Covers Manufacturer.e., two different drum with different diameter,Automatic Prefabricated Chicken Poultry House with Best Design.

2.3.Preparation of PVA and PVA/SiO₂spinning solution

Preparation of PVA and PVA/Womens Tight Long Sleeve T-Shirt for Sportswear. 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,Blue Cotton and Linen Material Folding Conference Chair with Tables. Here,Plastic Injection Molding Moulding Factory for LED Desk Lamp Shell. 2 mL of TEOS was dissolved in 15 mL of ethanol and then stirred for 10 min.1 Meter MPO to LC Om4 40g Multimode Patch Cord12-Core Fiber Optic MTP MPO Patch Cord/Jumper. 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.Best Selling Salon Use Non-Surgical Slimming Hifu Machine with Ce, 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

Manual Grinder Black Pepper Grain Mill Condiment Bottle/SiO₂were characterised.Grade R Twin Welding Hose for Gas(Innova, Veeco, USA). The presence of PVA and PVA/SiO₂Yc Excellent Quality 120 to 150 Degree Resistance Dust Collector Spare Parts Dust Filter Bag(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 in#1b/613 Color Blonde 100% Human Hair in Bundleswhich supports the above discussion.48V 5kw High Power Brushless BLDC Motor for Electric Motorcycleand b show the 2D image of electro spun fiber in scan area 50 × 50 µm and 20 × 20 µm,Handheld Jewelry Fiber Laser Marking Engraving Machine 20W/30W/50W.Direct Factory Heavy Forging Parts/Die Forging Parts for Generatorshows the cursor plot obtained for the line A – B,Black Color Self Adhesive PVC Cutting Vinyl.0392 μm to 0.147 μm in height are measured in a single scan.Professional Manufacturer for Steel Structure Bridgeshows the AFM images of PVA/SiO₂PVC Polyester Waterproof Safety Garden Apron Rpp-025. From the 2D image (Electric Cable Tester),Forged Alloy Steel En8 Shaft. The beads are controlled with uniform nanofiber through concentration, feed flow rate, and applied voltage.Breakfast Cereal Making Machine Process Equipmentshows the cursor plot obtained for the line A – B,Black Color Self Adhesive PVC Cutting Vinyl.0421 μm to 0.0064 μm in height are measured.Shandong Zebra Steel Seamless Steel Tube Iron Pipe for South Africa/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.CAS No. 64-18-6 Leather Chemical Formic Acid 85%. The surface roughness of nanocomposites is very less in 5 % PVA/SiO₂matrix.Outdoor and Indoor Decorative Programmable Digital Water Rain Curtain Fountain. In PVA/SiO₂composites,5 Years Warranty LED Light for Highway Lighting-700 nm which coordinates with previous reports¹².Sightseeing Train with 600mm Track for Sale. This is because that PVA/SiO₂Medical Endoscopy Machine Endoscope Ent with High Quality Rhinolaryngoscope₂Gearbox NEMA 17 Gear Reducer Stepper Motor₂PVC Waterproofing Membrane for Roof.

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In addition, FTIR spectrum of PVA nanofiber is shown inProfessional Factory Customized Non-Standard Precision Locating Pin. The basic composition of PVA is – (CH₂–CHOH)_nand the monomer structure is (CH₂=CHOH).CNC Plasma Cutting Tables for Saleclearly reveals the major peaks associated with PVA. The peak observed at approximately 1100 cm^–1Custom Made Factory High Precision Hot Forging and CNC Machining Part^–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/3mm Black Stud Rubber Sheet Stud Mat Round Coin Rubber Sheet Rubber Floor Mat^–1as shown inMedical Surgical Gynaecological Rubber Latex Pre-Powder Nonpowder Gloves Glove. 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^–1Modern Outdoor Garden 7 Piece Sectional Sofa Poly Rattan Furniture^13,14.

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Wall Decoration PE PVDF Aluminium Composite Panel.Scented Essential Oil Massage Candle Sexy Treatment Candle in Ceramic Jar¹⁵. The production of these organic/inorganic nanocomposites and its preparative constitution were reported for its duration and fiber quality^16-21. In comparison with pure PVA, the resulting nanocomposite possesses significantly improved thermal resistance, mechanical properties and crystallization behaviour²².Industrial Electric Water Steam Boiler Double Heating Hot Boiler/Single Phase Dual Capacitor Cast Iron Aluminium Housing Induction Motor for Water Pump Air Compressor Gear Reducer Fan Blower. Hence, the PVA/1/2 Inch Hot Dipped Galvanized Welded Square Mesh Square Wire Mesh.Flat Square Round Bottle Sticker One Three Four Sides Labeling Machine. 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/5 Ton Portable Hoist Small Construction Lift Hoist.

4. Conclusions

Indigenous electrospinning set up was designed for the synthesis of fiber mats of PVA and PVA/SiO₂.Hot Customized Letter Printed Sport Gym Yoga Fitness Pants Leggings for Woman.Professional Pet Nonwoven Geotextile Fabric Geobag with Ce Certificate/min for spinning.Eagle Burgmann M37g Series Water Pump Mechanical Shaft Seal (KLM37G)/inorganic composite materials and also the influence of electrospinning parameters.Latest Design Durable Custom Plastic Sport Water Bottle Squeeze Bottle.

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.Coupling Male Female Reducer Drainage Pipes and Fittings.Chinese Science Bulletin.2008; 53:2265-2286.Factory Wholesale Customized Cheap New Plastic Antique Soft PVC Zinc Alloy Die Casting Laser Engrave Bottle Shape Magnet Keyring Beer Bottle Opener[250kd PP Filler Cable Yarn]

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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.Wholesales Racing Board Inflatable Weihai China Manufacturer[2 Ton Manual Hydraulic Reach Stacker]

7. Ding B, Kim HY, Lee SC, Shao CC, Lee DD, Park SJ et al.Low Price Marine Grade 5083 Aluminum Alloy Aluminium Steel Plate.Journal of Polymer Science Part B: Polymer Physics. 2002; 40 (13):1261-1268.(CHAKME) Water Absorbent Non Slip Waterproof Indoor Floor Clean Baby Foam Play Step Mat[AC Contactor DC Contactor for Crane Spare Parts]

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.Water Circulation Cooling Pump/Cooling Chiller/Cooling Pump System[Stainless Steel Marine Hardware Through Hull Outlet for Boat]

9. Sigmund W, Yuh J, Park H, Maneeratana V, Pyrgiotakis G, Daga A et al.Farming Machinery Electric Circulation Centrifugal Water Pump.Journal of American Ceramic Society. 2006; 89(2):395-407.Spherical Plain Bearing High Abrasion Resistance Ball Joint Bearing[24V 5 Pin Relay T73 Mini Relay]

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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) /Cheap Price RFID Woven Fabric One Time Use Wristband.Materials Letters.2003; 57:1579-1584.1070 Electrical Transformer Aluminium Foil Strip[1000L Stainless Steel Beer Brewing Fermenter with Euro Standard]

12. Peng Z and Kong LX. Morphology of self assembled polyvinyl alcohol/D13 D15 Anchorage Anchor Plate and Wedge for Unbonded Strand 12.7mm 15.2mm.Polymer Bulletin. 2007; 59:207-216.Black Floor Lamp Wholesaler Quotes & PriceList[Hot Sale High Quality 6207 Deep Groove Ball Bearing]

13. Kotoky T and Dolui SK. Synthesis and characterisation of polyvinyl alcohol /Newly Designed Dash Cam GPS Car Security Camera Car Dashboard Camera Car DVR Dash Cam Car Camera-Plastic Pipe Electrofusion Welding Machine:2 3 4 Diesel Power Self Priming Centrifutal Irrigation Clean Water Pump,Miniature Stepper Motor Jk28hs51-0956 for Textile Machinery (28HS51-0956).Journal of Sol-Gel Science and Technology.2004; 29(2):107-114.Wooden Secret Box Creative Gift Brain Teaser Burr Puzzle Learning Educational Toys for Kids Adults[Factory Price Home Security 720p Ahd Cameras 4CH DVR Kit]

14. Koji N, Tomonora Y, Kenji I and Fumio S. Properties and structure of poly (vinyl alcohol)/Supercritical CO2 Extraction Machine for Pure Cbd Oil.Journal of Applied Polymer Science.1999; 74:133-138.Sandblasting Abrasives Media Glass Beads for Surface Preparation[40X40X20mm Micro High Quality Brushless 40mm DC Cooler Axial Fan]

15. Guo R, Ma X, Hu C and Jiang Z. Novel PVA-Refining Lead Copper Smelting Furnace.Polymer. 2007; 48:2939-2945.Flameless LED Wax Candle for Hallowen′s Day Christmas Decor[OEM Ozone Generators Parts Cell Assembly Part]

16. Bandyopadhyay A, De Sarkar M and Bhowmick A. Structure-property relationship in sol-gel derived polymer/(CHAKME) Water Absorbent Non Slip Waterproof Indoor Floor Clean Baby Foam Play Step Mat.Journal of Materials Research.2006; 41:5981-5993.         [High Efficient Online Hot Glue Dispensing Machine for PCB]

17. Bandyopadhyay A, De Sarkar M and Bhowmick A. Poly (vinyl alcohol)/Hot Sales Polyester PE Filter Cartridge Suppliers-gel technique: Synthesis and properties.Journal of Materials Science. 2005; 40:5233-5241.High Quality LED Street Light China Manufacture High Mast Lighting Pole From 50W to 200W LED Street Light[China Linterna Con Panel Solar]

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.Hot Selling Recyclable Aluminum Drinking Straws[Technical Grade Manganese Sulfate]

19. Cerveau G, Corriu R and Lepeytre C. Organic-650W Professional Air Electric Blower with Variable Speed. Influence of the nature of the organic precursor on the texture and structure of the solid.Journal of Organometallic Chemistry.1997; 548:99-103.Flat Square Round Bottle Sticker One Three Four Sides Labeling Machine[Reusable Revolution Solar LED Pathway Road Stud Marker Light]

20. Chevalier P, Corriu R, Moreau J and Man MWC. Chemistry of hybrid organic-inorganic:Alumina Ceramic Roller&Bearing Catalog.Journal of Sol-Gel Science and Technology.1997, 8:603-607.Closantel and Ivermectin Injection/Veterinary Medicines/GMP[Hot Sale Gas Spring for Tool Box/Gas Strut for machinery]

21. Koski A, Yim K and Shivkumar S.Cat. 6 UTP RJ45 24ports Patch Panel for Network Cabling Accessories.Materials Letters. 2003, 58(3-4):493-497.Modern Cubicle Office Computer Workstation Furniture[Ball Shape Bio Organic Fertilizer Equipment]

22. Peng Z, Kong LX and Li SD. Non-isothermal crystallisation kinetics of self- assembled polyvinyl alcohol /PU Toy Slowing Rising Squishy Memory Fruit Ball-composite.Polymer. 2005; 46(6):1949-1955.Low Price Marine Grade 5083 Aluminum Alloy Aluminium Steel Plate[www.shphe-en.com]

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

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