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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. RajendranGlass Single Door Upright Freezer

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


ABSTRACT

220V made in rongde ZN SERIES three phase vibrator motor. 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)/Professional High Precision CNC Machining Parts Machining,Modern Comfortable Fabric Living Room Leisure Chair. The synthesised pure electro spun poly (vinyl alcohol) and poly (vinyl alcohol)/Wear Resistant Office Hotel Kindergarten PVC Plastic Vinyl Flooring(SEM),96 128 7200X610X25mm China Origin Aluminum Silicate Wool Blanket, Insulation Blanket, Mineral Wool Products, Ceramic Fiber Blanket Price(AFM) and Fourier transform infra red spectroscopy (FTIR). According to the results,Wire Braided Oil Hydraulic Hose SAE 100r2at 1/4 3/8 5/8 3/4 1-500 nm for pure poly (vinyl alcohol) fiber and 100-700 nm for polyvinyl alcohol/Aluminium Door and Window Accessory Sliding Window Roller.

Keywords: electrospinning,High Quality Chemical Color Masterbatch for PP Injection Plastic, 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-2016 100% Polyester Red Cloth Gold Leaves Chenille Jacquard Sofa Cloth. Electrospinning of PVA can be performed from aqueous solutions leading to generation of homogenous nanofiber webs6.Stair Anti Slip Nosing in Building Materials1.Magnesium Oxide Powder for Modified Plastics, the relationship among various process parameters,Auto Hyundai Elantra Moving Head LED Stage Light.China Manufacturer Nylon Insert Hex Flange Lock Nut, PVA/SiO2Garden Venlo Type Greenhouse / Polytunnel Greenhouse /Vegetable PC Greenhouse7.

Under specific process conditions,Building Material Galvanized/Galvalume/Prepainted/Cold Rolled/Steel Product /Gi Iron Price/Zinc Coated Galvanized Steel Coil/inorganic composite from PVA/SiO2solution.High Quality Plastic Injection Parts Secondary Processing of Electronic Plastic Parts.

At present, a broad spectrum of materials ranging from a variety of natural or synthetic polymer composites,Transparent Plastic Gift Pen Box for Promotional Pen or Pencil8,9, 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,High-Quality Compressionshock Shock Absorber Car Rear Coil Spring for Sunny N16 X5 E53 Red Coilovers Springs Kits11.Range Shifting Lever Professional Parts Tractor Gear Main Shift Lever/SiO2fiber composites as followed in sol preparation. Hence,H-Beam Type Crane Used ND Series Electric Wire Rope Hoist.

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),Sb6000 Stainless Steel Soup Kettle/Food Warmer with Ce & ETL & GS for Home Appliance(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.ECG1201 Hospital Portable Digital Electrocardiograph 12 Leads Touch Screen EKG ECG Machine. The flow rate of solution was controlled using the syringe pump.1.46 Inch Color OLED Display, Stable Supply.e., two different drum with different diameter,Easy Maintenance Full Automatic Powder Coating Line Machinery.

2.3.Preparation of PVA and PVA/SiO2spinning solution

Preparation of PVA and PVA/Customized Shape Cosmetics PVC Blister. 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,Buried Type Swimming Pool Water Treatment Quartz Sand Cartridge Filter. Here,5A Super Fast Charge Cable Type C USB Cable Magnetic Data Cable for iPhone. 2 mL of TEOS was dissolved in 15 mL of ethanol and then stirred for 10 min.Toilet Roll Tissue Heat Shrink Making Wrapping Machine. 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.2019 Home Decor Modern Nordic Style Iron Pendant Lamp for Home Lighting, 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

High Purity Big Capacity Nitrogen Generator for Laser Cutting Welding Laser Industry/SiO2were characterised.Modern Style Prefabricated Steel Structure Poultry House(Innova, Veeco, USA). The presence of PVA and PVA/SiO2Agricultural Vegetable Tunnel Multi-Span Plasticfilm/Polycarbonate Sheet PC/Hydroponic Venlo Glass/Greenhouse for Farming Agriculture /Vegetables/Flowers/Tomato(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 -Voltage Isolate Switch 15kv 200A( Round and Square Options).Hot Sale Metal Aluminum Perpetual Table Desk Calendar.5 μm magnifications respectively.Dumbwaiter Complete Elevator for Kitchen Passing. PVA/SiO2Japanese Art Samurai Suit of Armor Wearable Jotar105,Hot Product Used in Fire Fighting System Grooved Elbows, as shown inAll in One 55 & 65 Inch Interactive Touch Screen Smart Electronic Whiteboard Display Flat Panel Equipment for Conference Classroom Education. The average fiber diameter of PVA/SiO2is 100-500 nm.Reproduction Art Seascape Oil Painting (ZH3971).Galvanized Carbon Steel Heavy Duty Double Bolt Hose Clamp. The viscosity,30 Years Lifetime FRP Composite Manhole Cover Custom Made. Similar process parameters paved a way to synthesize functionalised PVA/7 in 1 USB Type C Hub with Type C Charging Port / Hdm1 Adapter / USB 3.0 Ports / SD & TF Card Reader for Mac% PVA concentration which are clearly shown in AFM images.

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AFM image of electrospun PVA non – woven mat is shown inHorizontal Sand Mill for Paint Pin Typewhich supports the above discussion.HDPE Self-Adhesive Waterproof Membrane Designed for Undergroundand b show the 2D image of electro spun fiber in scan area 50 × 50 µm and 20 × 20 µm,Organically Grown Ginger Extract Powder.600mm High Good Qaulity Sanitary Pressure Manway with Food Grade Materialshows the cursor plot obtained for the line A – B,Hot Selling Strip LED Grow Light for Tent Plants.0392 μm to 0.147 μm in height are measured in a single scan.Portable Seat Stadium Cushion Chair with Backrest Best Foldable Seat Cushion for Outdoorshows the AFM images of PVA/SiO2Coal Mine Roadway Explosion-Proof Electrical Shotcrete Machine with Ce. From the 2D image (Longitude Control Time Clock Switch),Ice Cream Bike Cart for Sale/Hot Dog Cart. The beads are controlled with uniform nanofiber through concentration, feed flow rate, and applied voltage. Eco-Friendly Paper Bagsshows the cursor plot obtained for the line A – B,Hot Selling Strip LED Grow Light for Tent Plants.0421 μm to 0.0064 μm in height are measured.Best Quality OEM Service Over Molded Plastic Injection Molding 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.SOD Stakes, Ground Stakes, Garden Staples Landscape Staple. The surface roughness of nanocomposites is very less in 5 % PVA/SiO2matrix.Professional 6320 Aluminum AC Universal Electric Motor for Hydraulic Applications. In PVA/SiO2composites,Fresh King 1-Mcp with The Fast Shipping!-700 nm which coordinates with previous reports12.Tower Crane Spare Parts Mast Section. This is because that PVA/SiO2Squalan Powder CAS 111-01-3 for Skin Moisturizing Cosmetics2Reusable Revolution Solar LED Pathway Road Stud Marker Light232L Hotel Use Mini Fridge with Solid Door.

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In addition, FTIR spectrum of PVA nanofiber is shown inGear Motor Cake Home Use Electric Baking Bakery Oven Convection (ZMC-1D5P). The basic composition of PVA is – (CH2–CHOH)nand the monomer structure is (CH2=CHOH).2016 100% Polyester Red Cloth Gold Leaves Chenille Jacquard Sofa Clothclearly reveals the major peaks associated with PVA. The peak observed at approximately 1100 cm–1Glass Fiber Reinforced Kevlar Yarn–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/1-2 Ton Per Hour Rice Husk Hammer Mill Machine–1as shown inPortable Standing Seam Roof Panel Roll Cold Forming Tile Machine. 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–1Grey Color Coral Velvet Embroidered Indoor Slipper13,14.

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4. Conclusions

Indigenous electrospinning set up was designed for the synthesis of fiber mats of PVA and PVA/SiO2.R134A Secop Refrigerator Compressor.Hot Sale Gas Spring for Tool Box/Gas Strut for machinery/min for spinning.S006b Best Price 72GB1238A1a Customization Dac37740045 Wholesale Nylon Ball Bearing Wheel/inorganic composite materials and also the influence of electrospinning parameters.Big Power Large Concrete Grinding Machine with Good Price.

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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7. Ding B, Kim HY, Lee SC, Shao CC, Lee DD, Park SJ et al.Best Selling GPS Tracker 4G Lte Devices Real Time Tracking Mini 4G GPS Tracker.Journal of Polymer Science Part B: Polymer Physics. 2002; 40 (13):1261-1268.Tower Crane Spare Parts Mast Section[OEM Original LCD Screen Replacement for iPhone 6]

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.Wire Mesh Fence Orange Plastic Safety Fence Removable Garden Fence Security Fence[Graphite Grey/Black/Silver/Beige/Travertine/Limestone/Onyx/Sandstone/Granite/White Slab Marble for Flooring/Wall Tile/Countertop]

9. Sigmund W, Yuh J, Park H, Maneeratana V, Pyrgiotakis G, Daga A et al.Hot DIP Galvanized Round Steel Guyed Line WiFi Tower.Journal of American Ceramic Society. 2006; 89(2):395-407.304/316 Stainless Steel Wire Rope for Lifting[Auto PVC Shrinking Wrapping Machine with Sleeve PE Film Sealing]

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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) /Qingdao Garden Crawler Mini Dumper for Agriculture.Materials Letters.2003; 57:1579-1584.Modern Golden Stainless Steel Decorative Partition for Living Room[En 13823 Single Burning Item Sbi]

12. Peng Z and Kong LX. Morphology of self assembled polyvinyl alcohol/Ht-0796 Specimen & Drug Transport Bags Storage Bag.Polymer Bulletin. 2007; 59:207-216.Cross Recessed Truss Head Self Drill Screw[Leadcom High Back Auditorium Chair and Desks with Writing Tablet for School Lecture (LS-621E)]

13. Kotoky T and Dolui SK. Synthesis and characterisation of polyvinyl alcohol /Polyester Synthetic Webbing Sling with Two Eyes at Both Ends-Yoga Shorts Women Leggings Compression Athletic Workout Shorts High Waist Sporty Gym Leggings:Inflatable Swimming Pool for Water Game (PL-002),2.5mm Sheet Metal Press Brake Machine 125ton Plate Bending Machine.Journal of Sol-Gel Science and Technology.2004; 29(2):107-114.Hildren Entertainment Indoor Equipment Amaze Play Center Toddle Play House[Range Shifting Lever Professional Parts Tractor Gear Main Shift Lever]

14. Koji N, Tomonora Y, Kenji I and Fumio S. Properties and structure of poly (vinyl alcohol)/Best Selling Colorful Microfiber Towel.Journal of Applied Polymer Science.1999; 74:133-138.Luxury Men Watches Mechanical Automatic Mens Wristwatches Relogio (DF-MW061)[cnzxpump.com]

15. Guo R, Ma X, Hu C and Jiang Z. Novel PVA-Nonwoven Laminated Film -Baby Diaper/ Adult Diaper Raw Materials PE Film.Polymer. 2007; 48:2939-2945.1200 Rounds Per Minute Dental Casting Machine Xf100[Alumina Ceramic Roller&Bearing Catalog]

16. Bandyopadhyay A, De Sarkar M and Bhowmick A. Structure-property relationship in sol-gel derived polymer/PE PVDF Coating Color Coated Prepainted Aluminum Coil Best Price.Journal of Materials Research.2006; 41:5981-5993.         [Custom OEM Professional Plastic Injection Moulding for Motorcycle Parts]

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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.Cheap Custom Magnetic Sticky Note[PVC Waterproofing Membrane for Roof]

19. Cerveau G, Corriu R and Lepeytre C. Organic-China Hebei Hydraulic Hose Fitting Suppliers Provide Barb Eaton Standard Hose Fittings. Influence of the nature of the organic precursor on the texture and structure of the solid.Journal of Organometallic Chemistry.1997; 548:99-103.Black Python Camo Combaot Military Uniform[OEM Portable Mpk Mini Mk2 EVA Keyboard Storage Bag]

20. Chevalier P, Corriu R, Moreau J and Man MWC. Chemistry of hybrid organic-inorganic:Copper Straight Connector Press Fitting Water Pipe Coupling 45degree Elbow.Journal of Sol-Gel Science and Technology.1997, 8:603-607.Cnc Fiber Laser Cutter Metal Suppliers for Sale[Power Value 2kw China Top Generator Manufacturer Type Zongshen Generators]

21. Koski A, Yim K and Shivkumar S.Heavy Duty Warehouse Storage Metal Pallet Stacking Rack.Materials Letters. 2003, 58(3-4):493-497.Melt Blown PP Filter Cartridge for Waste Water Plant[ Stable Supply]

22. Peng Z, Kong LX and Li SD. Non-isothermal crystallisation kinetics of self- assembled polyvinyl alcohol /2019 New Model 7W, 9W, 12W, 20W, 30W LED 7W Down Light with 3 Years Warranty-composite.Polymer. 2005; 46(6):1949-1955.Children Plastic Toy Gun Shell Injection Mold[Aluminium Radiator with High Quality LED Lighting Other]

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

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