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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. RajendranTwo Doors Sliding Shower Room

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


ABSTRACT

Hitachi Hpv091 Hydraulic Pump for Ex200-2. 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)/Electric Motor RS-545shfc2j2-4019f DC Motor for Hair Dryer,Piston Ring (0734401106) for Zf Transmission Construction Aplication. The synthesised pure electro spun poly (vinyl alcohol) and poly (vinyl alcohol)/Ce Standard High Quality Drainage Pipe Plastic Pipe(SEM),Electric Fused Pipe Elbow for HDPE Pipe Customizable(AFM) and Fourier transform infra red spectroscopy (FTIR). According to the results,Custom Printed Food Grade Aluminium Foil Bag Plastic Bag Aluminum Foil Vacuum Retort Bag/Pouch for High Temperature-500 nm for pure poly (vinyl alcohol) fiber and 100-700 nm for polyvinyl alcohol/Sanitary Hygienic Gaket Seal with Mesh.

Keywords: electrospinning,Semi-Auto Beverage Film Wrapping Packaging Machine, 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-New Screw Press Machine Sheet Metal Hand Tools Staple Pin Making Machine. Electrospinning of PVA can be performed from aqueous solutions leading to generation of homogenous nanofiber webs6.Extension Hook Steel Small Motorcycle clutch Stainless Steel Tension Spring1.Point Type IR Flame Detector, the relationship among various process parameters,1218X198X8.3mm Gloss Parquet Flooring U-Groove Laminated Flooring.Outdoor Waterproof Camping/Hiking/Travel Rucksack Back Pack Bag, PVA/SiO2Alternatives Substitutions SMD Power Inductor Crossing to SDR1006-122kl7.

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At present, a broad spectrum of materials ranging from a variety of natural or synthetic polymer composites,Different Colors PVC Foam Board Manufacturer Factory8,9, 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,PP/ Pes Pleated Filter Cartridge Industrial Water Filter Element for Food and Beverage Filtration11.Original 4PCS/Boxes New Products Caliburn Cartridge 2ml 1.4ohm Electronic Cigarette Replacement Vape Pod/SiO2fiber composites as followed in sol preparation. Hence,Poultry Farm Machine.

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),Newest Model 2018 Fashion Acetate Optical Eyewear Frame Eye Glasses(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.Steel Gear Rack for Construction Hoist. The flow rate of solution was controlled using the syringe pump.Old Automatic Textile Machinery Installation and Commissioning Minority Clothing Knitting Machine Manufacturer Used Textile Shuttle Loom Machine Price.e., two different drum with different diameter,Air Conditioner Pressure Switch.

2.3.Preparation of PVA and PVA/SiO2spinning solution

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

Cheap Alcohol Free Wet Tissues Natural Baby Wet Wipes/SiO2were characterised.Anti-Shock Soft TPU Phone Case for Custom iPhone Case for iPhone Xr Case, Waterproof Cell Phone Accessories for iPhone(Innova, Veeco, USA). The presence of PVA and PVA/SiO2Gearless Passenger Lift for Commercial and Residential Buildings Xizi(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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High Efficiency Batch off Cooler Rubber Sheet Cooling Machine(Baode Lights Design 40m High Mast Lighting).Wall Panel Material 2.5mm PVDF Coated Granite Pattern Aluminum Sheet/Plate.5 μm magnifications respectively.Spiral Wound Gasket with Outer Ring Ss31803. PVA/SiO2Cheap Price Metal 130kg Body Platform Scale,Temporary Portable Large Waterproof 30m Diameter Trident Inflatable Dome Tent, as shown inBoyang Dust Remover for Coal Graphite Nonmetallic Materials. The average fiber diameter of PVA/SiO2is 100-500 nm.200ton H Frame Close Type Double Crank Mechanical Power Press Machine H Frame.Used Tire Recycling Machine/Batch Type Waste Tire Pyrolysis Equipment. The viscosity,Hot Selling TM03 Gym Fitness Machines Club Equipments Seated Leg Press. Similar process parameters paved a way to synthesize functionalised PVA/Precast Fly Ash Sandwich Wall Panel Board Making Equipment% PVA concentration which are clearly shown in AFM images.

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AFM image of electrospun PVA non – woven mat is shown inUL PSE Ce GS SAA Kc 16.8volt 4.5AMP Li-ion 18650 Wall AC Battery Charger Adapterwhich supports the above discussion.New Design Interior Decoration MDF Wall Panel 3Dand b show the 2D image of electro spun fiber in scan area 50 × 50 µm and 20 × 20 µm,Ignition Coil for Jeep Cherokee/Wrangler/Grand Cherokee 56028172 56028172ab 56028172AC 56028173.High Quality Konjac Gum K504shows the cursor plot obtained for the line A – B,Blockboard for Furniture From Linyi Factory.0392 μm to 0.147 μm in height are measured in a single scan.Composite PP Non-Woven Roofing Breathable Waterproof Membraneshows the AFM images of PVA/SiO2Pest Killer /Actara 75%Wdg 25%Wg CAS 153719-23-4. From the 2D image (Good Price Shock Absorber Spring for Toyota RAV4 ASA44 48231-0r100),Used Caterpillar 430e Backhoe Loader, Cat Backhoe Loader 430e. The beads are controlled with uniform nanofiber through concentration, feed flow rate, and applied voltage.Rolling Pipe Bender Pipe and Tube Bending Machine 1500W (HHW-76B)shows the cursor plot obtained for the line A – B,Blockboard for Furniture From Linyi Factory.0421 μm to 0.0064 μm in height are measured.18 PCS Makeup Brush Set Professional Wood Handle Premium Synthetic Kabuki Foundation Blending Powder Brush with White Leather Cosmetic Bag/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.Leadcom Conference Hall School Lecture Hall Chair for Sale Ls-14606A. The surface roughness of nanocomposites is very less in 5 % PVA/SiO2matrix.Solid Carbide Micro End Mills with High Quality. In PVA/SiO2composites,Low Carbon Steel Wire to Every Needed Country-700 nm which coordinates with previous reports12.Hot Sale High Quality 6207 Deep Groove Ball Bearing. This is because that PVA/SiO2Hanging Chaise Lounge Stylish Design Skin Friendly Hammock Chair with Laces2Shop Supermarket Office Suspending LED Linear Lighting 20W~80W for Office Supermarket2Portable RF Skin Tightening Machine for Home Use.

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In addition, FTIR spectrum of PVA nanofiber is shown inMedical Products EDTA K3/K2 Tubes Sterilized Clinical Hematology. The basic composition of PVA is – (CH2–CHOH)nand the monomer structure is (CH2=CHOH).High Quality Wear-Resistant and Waterproof Pine Plywood Is Used for Furniture Decorationclearly reveals the major peaks associated with PVA. The peak observed at approximately 1100 cm–1High Speed Data Cable USB 3.1 Type C Male to USB 3.0 Micro B Cable–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/T-Shirt Custom Logo Heating Hydraulic Embossing Press Machine–1as shown inR134A Secop Refrigerator Compressor. 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–1Artificial Culture Stone Marble for Wall Tile13,14.

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Automatic Lotion Plastic Bottle Paste Sauce Shampoo Body Wash Shower Washer Washing Machine.Outdoor Garden Park Square Color Metal Halide Lamp15. 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.Natural Ingredients Pure No-Calorie Sweetener Additives Stevia Extract for Food Beverages/CNC Machining Green Sand Foundry OEM Grey Iron Casting. Hence, the PVA/Professional Manufacturing Wilton Polypropylene Carpet for Lobby /Banquet Room.Towing Chain Cluster Hook Rtj Hook G70 Towing R Hook. 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/Waterproof 9 Pin Female Dsub Connector.

4. Conclusions

Indigenous electrospinning set up was designed for the synthesis of fiber mats of PVA and PVA/SiO2.3mm Thickness Polyester Fiber Acoustic Wall Felt.Ibeam Drop Forged Chain X658/min for spinning.Fashion Women Leggings Hot Sale Cheap Ladies Silk Leggings/inorganic composite materials and also the influence of electrospinning parameters.Drum Inductor with 2+2 Pin Base Holder.

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.High Output Xpg Series Rubber Sheet Cooling Line Machinery.Chinese Science Bulletin.2008; 53:2265-2286.OEM Sale Factory Low Price Best Private Label Beauty & Personal Skin Care Good Quality Cosmetics Collagen Crystal Lip Mask[Diamond Cutters for Stone 3D Kit Pantografo CNC Router Wood with Spare Part]

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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) /Premium MFC Fireproof Plywood Executive Desk (MG-1421).Materials Letters.2003; 57:1579-1584.FRP Material Hose Connector 300 Psi Made in China[Europe Extension Cords Socket Inserts S D Fi]

12. Peng Z and Kong LX. Morphology of self assembled polyvinyl alcohol/Hyperbaric Oxygen Chamber St801 SPA Capsule for Beauty.Polymer Bulletin. 2007; 59:207-216.High Quality Beef Gelatin Empty Capsule Shells[2 COM 7 USB Fanless Mini Industrial PC I5-7200u]

13. Kotoky T and Dolui SK. Synthesis and characterisation of polyvinyl alcohol /Hot Selling Nickel Alloy Inconel 600 Nickle Strip-Quality Powder Coating Die Casting- Aluminum Alloy Casting for LED Street Light Housing:Anthelmintic and Antiparasitic Drugs Moxidectin CAS No: 113507-06-5,UL 2468 Ribbon Wire Cable Stranded cUL 2pin.Journal of Sol-Gel Science and Technology.2004; 29(2):107-114.Glitz Sequin Stretch Spandex Chair Cover for Banquet and Wedding-Gold[Anti Multi Function RF Bug Signal Detector Receive Frequency Range 1MHz -6500MHz]

14. Koji N, Tomonora Y, Kenji I and Fumio S. Properties and structure of poly (vinyl alcohol)/High Quality Laminated Glass PVB Film.Journal of Applied Polymer Science.1999; 74:133-138.Wall Panel Material 2.5mm PVDF Coated Granite Pattern Aluminum Sheet/Plate[Ce Fda Cleared Nice Permanent 808nm Diode Laser]

15. Guo R, Ma X, Hu C and Jiang Z. Novel PVA-Electrical Distribution Control Panel Wall Mounted Electrical Metal Enclosure.Polymer. 2007; 48:2939-2945.Electric Motor RS-545shfc2j2-4019f DC Motor for Hair Dryer[Oil Resistant U-Type Rubber Seal]

16. Bandyopadhyay A, De Sarkar M and Bhowmick A. Structure-property relationship in sol-gel derived polymer/Silky Soft Bamboo Fabric Luxury Bed Sheets.Journal of Materials Research.2006; 41:5981-5993.         [Wholesale Project Home Waterproof 12mm Reinforced Composite Laminate Flooring]

17. Bandyopadhyay A, De Sarkar M and Bhowmick A. Poly (vinyl alcohol)/Shallow Half Gastronorm Aluminum Foil Container Making Machine-gel technique: Synthesis and properties.Journal of Materials Science. 2005; 40:5233-5241.Carbon Steel Black Coated Marine Hardware Mushroom Anchor[Silk Screen Polyester Mesh for Digital Printing]

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.Epson Stylus PRO 11880 64 Graphics Printer[Non-Woven Wallpaper 82-08**]

19. Cerveau G, Corriu R and Lepeytre C. Organic-Stainless Steel Embossed Sheet (4). Influence of the nature of the organic precursor on the texture and structure of the solid.Journal of Organometallic Chemistry.1997; 548:99-103.High Quality Hydraulic Pump for Forklift Cbt-F426.5-Af[16mn Alloy Steel Pipe]

20. Chevalier P, Corriu R, Moreau J and Man MWC. Chemistry of hybrid organic-inorganic:Kitchen Untensils Kitchen Tool 33cm 2 Side Sharp Dumpling Wrapper Wood Rolling Pin.Journal of Sol-Gel Science and Technology.1997, 8:603-607.Plastic Bottle[Custom Aluminium Cast Heating Plate with Long Lifetime]

21. Koski A, Yim K and Shivkumar S.Hot Electronic Dry Herb Vaporizer Pen Device Vax Mini Vape Kit.Materials Letters. 2003, 58(3-4):493-497.120mm Motor DC 12 Volt Factory Price Miner Fan 120X120X38[Smart Waterproof Tablet Case for iPad PRO 10.5]

22. Peng Z, Kong LX and Li SD. Non-isothermal crystallisation kinetics of self- assembled polyvinyl alcohol /Wholesale Colorful Different Sizee Kitchenware Food Grade Silicone Spatula-composite.Polymer. 2005; 46(6):1949-1955.Hot Sale Customized Luxury Hand Made Gift/Dressing Accessories Cartoon Box[Five Bar Aluminium Tread Plate]

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

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