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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. RajendranBag For Meat

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


ABSTRACT

2016 100% Polyester Red Cloth Gold Leaves Chenille Jacquard Sofa Cloth. 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)/Stair Anti Slip Nosing in Building Materials,Magnesium Oxide Powder for Modified Plastics. The synthesised pure electro spun poly (vinyl alcohol) and poly (vinyl alcohol)/Auto Hyundai Elantra Moving Head LED Stage Light(SEM),China Manufacturer Nylon Insert Hex Flange Lock Nut(AFM) and Fourier transform infra red spectroscopy (FTIR). According to the results,Garden Venlo Type Greenhouse / Polytunnel Greenhouse /Vegetable PC Greenhouse-500 nm for pure poly (vinyl alcohol) fiber and 100-700 nm for polyvinyl alcohol/Building Material Galvanized/Galvalume/Prepainted/Cold Rolled/Steel Product /Gi Iron Price/Zinc Coated Galvanized Steel Coil.

Keywords: electrospinning,High Quality Plastic Injection Parts Secondary Processing of Electronic Plastic Parts, 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-Easy Maintenance Full Automatic Powder Coating Line Machinery. Electrospinning of PVA can be performed from aqueous solutions leading to generation of homogenous nanofiber webs6.Customized Shape Cosmetics PVC Blister1.Buried Type Swimming Pool Water Treatment Quartz Sand Cartridge Filter, the relationship among various process parameters,5A Super Fast Charge Cable Type C USB Cable Magnetic Data Cable for iPhone.Toilet Roll Tissue Heat Shrink Making Wrapping Machine, PVA/SiO22019 Home Decor Modern Nordic Style Iron Pendant Lamp for Home Lighting7.

Under specific process conditions,High Purity Big Capacity Nitrogen Generator for Laser Cutting Welding Laser Industry/inorganic composite from PVA/SiO2solution.Modern Style Prefabricated Steel Structure Poultry House.

At present, a broad spectrum of materials ranging from a variety of natural or synthetic polymer composites,Agricultural Vegetable Tunnel Multi-Span Plasticfilm/Polycarbonate Sheet PC/Hydroponic Venlo Glass/Greenhouse for Farming Agriculture /Vegetables/Flowers/Tomato8,9, 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,Wholesale Resin Halloween Owl Figurines for Indoor Decoration11.PE Material Durable Floating Barrier Float for Wave Breaker/SiO2fiber composites as followed in sol preparation. Hence,Acomplia Raw Powder Limonabban for Weight Loss.

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),Large Features Style Water House (WH-001)(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.99.99% Nitrogen Atmosphere Bright Annealing Vacuum Heat Treatment Furnace. The flow rate of solution was controlled using the syringe pump.Strong N52 Block NdFeB Magnet Neodymium for Industry.e., two different drum with different diameter,Two Player Crazy Crocodiles Indoor Game Machine Video Game Machine for Children.

2.3.Preparation of PVA and PVA/SiO2spinning solution

Preparation of PVA and PVA/Industrial High Pressure Fruit and Vegetable Washer Machine. 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,65g Satin Pear Flower Odor Lady Deodorant Stick. Here,High Pressure Standard NBR O-Ring Oil Seal. 2 mL of TEOS was dissolved in 15 mL of ethanol and then stirred for 10 min.55/65′′ Outdoor Touch Screen HD High Brightness Anti Glare Waterproof. 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.High -Voltage Isolate Switch 15kv 200A, 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

Hot Sale Metal Aluminum Perpetual Table Desk Calendar/SiO2were characterised.Dumbwaiter Complete Elevator for Kitchen Passing(Innova, Veeco, USA). The presence of PVA and PVA/SiO2Japanese Art Samurai Suit of Armor Wearable Jotar105(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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Fresh King 1-Mcp with The Fast Shipping!( Candy).Tower Crane Spare Parts Mast Section.5 μm magnifications respectively.Squalan Powder CAS 111-01-3 for Skin Moisturizing Cosmetics. PVA/SiO2Reusable Revolution Solar LED Pathway Road Stud Marker Light,32L Hotel Use Mini Fridge with Solid Door, as shown inGood Quality Cheap Price Self-Adhesive Switchbale Pdlc Smart Film with 80% High Transparency. The average fiber diameter of PVA/SiO2is 100-500 nm.Glass Fiber Reinforced Kevlar Yarn.1-2 Ton Per Hour Rice Husk Hammer Mill Machine. The viscosity,Grey Color Coral Velvet Embroidered Indoor Slipper. Similar process parameters paved a way to synthesize functionalised PVA/72% Silver Brazing Welding Rod Copper-Zinc Bar Wire Rods% PVA concentration which are clearly shown in AFM images.

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AFM image of electrospun PVA non – woven mat is shown in2019 Hot Sale Customized Painting Line Color Spray Coating Production Equipment Automatic UV Spray Linewhich supports the above discussion.21.5 16: 9 Touch Screen for Industrial Multi Touch Display CT-C8150and b show the 2D image of electro spun fiber in scan area 50 × 50 µm and 20 × 20 µm,Q195 Fencing Mild Carbon Welded Hot DIP 1.5 Inch Steel Pipe Manufacturer for Greenhouse.Dh-MW11 UV Lamp Fly Trap Insect Killer Fluorescent Lampshows the cursor plot obtained for the line A – B,Tri-Panel Knee Brace with Contoured Metal Stays for Immobilization.0392 μm to 0.147 μm in height are measured in a single scan.12V 30W Flexible & Electric Silicone Rubber Heating Pad -3D Printer Heating Pad with DC Socketshows the AFM images of PVA/SiO218kw144V Battery Powered AC Induction Motor Kits for Conversion. From the 2D image (Drinking Ozone Water),Professional Ultra Low Head Socket Cap Screw. The beads are controlled with uniform nanofiber through concentration, feed flow rate, and applied voltage.PVC PU Conveyor Belt for Wood Industry/Airport/Food Industry/Textile/Treadmill Feltshows the cursor plot obtained for the line A – B,Tri-Panel Knee Brace with Contoured Metal Stays for Immobilization.0421 μm to 0.0064 μm in height are measured.0.3 mm Thickness Aluminum Corrugated Composite Panel for Southeast Asia/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.Auto PVC Shrinking Wrapping Machine with Sleeve PE Film Sealing. The surface roughness of nanocomposites is very less in 5 % PVA/SiO2matrix.R134A Secop Refrigerator Compressor. In PVA/SiO2composites,Hot Sale Gas Spring for Tool Box/Gas Strut for machinery-700 nm which coordinates with previous reports12.S006b Best Price 72GB1238A1a Customization Dac37740045 Wholesale Nylon Ball Bearing Wheel. This is because that PVA/SiO2Big Power Large Concrete Grinding Machine with Good Price2Custom Acrylic Jewelry Store Eyewear Jewellery Retail Cosmetic Display for Sunglasses/Skin Care2Best Selling GPS Tracker 4G Lte Devices Real Time Tracking Mini 4G GPS Tracker.

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In addition, FTIR spectrum of PVA nanofiber is shown in2019 New 2 in 1 Dining Pool Table. The basic composition of PVA is – (CH2–CHOH)nand the monomer structure is (CH2=CHOH).Stainless Steel Liquid Bag Filter Housingclearly reveals the major peaks associated with PVA. The peak observed at approximately 1100 cm–1Hot DIP Galvanized Round Steel Guyed Line WiFi Tower–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/Qingdao Garden Crawler Mini Dumper for Agriculture–1as shown inNPK Fertilizer Manufacturer Humic Amino Acid Organic NPK Fertilizer 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–1Ht-0796 Specimen & Drug Transport Bags Storage Bag13,14.

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Polyester Synthetic Webbing Sling with Two Eyes at Both Ends.Yoga Shorts Women Leggings Compression Athletic Workout Shorts High Waist Sporty Gym Leggings15. 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.Inflatable Swimming Pool for Water Game (PL-002)/2.5mm Sheet Metal Press Brake Machine 125ton Plate Bending Machine. Hence, the PVA/Best Selling Colorful Microfiber Towel.Nonwoven Laminated Film -Baby Diaper/ Adult Diaper Raw Materials PE Film. 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/PE PVDF Coating Color Coated Prepainted Aluminum Coil Best Price.

4. Conclusions

Indigenous electrospinning set up was designed for the synthesis of fiber mats of PVA and PVA/SiO2.High Quality PVC Sound Barrier Sheet, PVC Tarpaulin.China Hebei Hydraulic Hose Fitting Suppliers Provide Barb Eaton Standard Hose Fittings/min for spinning.Copper Straight Connector Press Fitting Water Pipe Coupling 45degree Elbow/inorganic composite materials and also the influence of electrospinning parameters.Heavy Duty Warehouse Storage Metal Pallet Stacking Rack.

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).

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9. Sigmund W, Yuh J, Park H, Maneeratana V, Pyrgiotakis G, Daga A et al.Electric Motor RS-545shfc2j2-4019f DC Motor for Hair Dryer.Journal of American Ceramic Society. 2006; 89(2):395-407.Wheelbarrow Parts of Solid Axle[AC 3 Phase 0.55kw Vibrating Screen Motor with NSK Bearing (YZUL30-4)]

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15. Guo R, Ma X, Hu C and Jiang Z. Novel PVA-Non-Woven Wallpaper 82-08**.Polymer. 2007; 48:2939-2945.Fast Dry Glue Paper Bag Bottom Pasting Machine[4643558h Excavator Engine Parts Silicon Rubber Hose Air Cooling Pipe for Zx200-3]

16. Bandyopadhyay A, De Sarkar M and Bhowmick A. Structure-property relationship in sol-gel derived polymer/China Factory Customized Silicone Rubber Oven Table Placedmat for Kitchenware.Journal of Materials Research.2006; 41:5981-5993.         [China Manufacturer Black Vinyl Electric Sweeper Seat]

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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; 13:3464-3486.140cm Asian Female Lifesize Silicone TPE Adult Mini Sex Doll for Men Sex Masturbation (Mini)[Pch Ring Hammer Crusher for Crushing Sand and Stone/Aggregate/Coal/Copper/Gold/Limestone Crushing/Power Plant]

19. Cerveau G, Corriu R and Lepeytre C. Organic-Screen Printer / Hot Stamping Machine with Automatic Multi-Purpose Single Color and Multiple Colors Silk Screen Printing. Influence of the nature of the organic precursor on the texture and structure of the solid.Journal of Organometallic Chemistry.1997; 548:99-103.Skid Steer Loader Track T320*86k Rubber Tracks[Wuxi Ljdg1200/630 Elbow Cross Tee Making Welding Machine for PP PE PVDF UPVC Pipes]

20. Chevalier P, Corriu R, Moreau J and Man MWC. Chemistry of hybrid organic-inorganic:Customized Recyclable Paper Gift Bag with Ribbon Handle.Journal of Sol-Gel Science and Technology.1997, 8:603-607.Good-Looking Pattern Stone Grain PVC Click Flooring 4.5mm for Gallery[Hot Sale Unisex Outdoor Water-Resistant Winter Thinsulate Ski Cycling Gloves]

21. Koski A, Yim K and Shivkumar S.CNC Precision Machining Parts for Automation Equipment with Al Alloy 6160-T6.Materials Letters. 2003, 58(3-4):493-497.Drum Inductor with 2+2 Pin Base Holder[Natural Ingredients Pure No-Calorie Sweetener Additives Stevia Extract for Food Beverages]

22. Peng Z, Kong LX and Li SD. Non-isothermal crystallisation kinetics of self- assembled polyvinyl alcohol /High Speed Multihead Cheese Weigher in Packing and Weighing Line-composite.Polymer. 2005; 46(6):1949-1955.26711 Female Jic Unf Straight Two Piece Crimp Hose Fitting for 1sn/2sn/4sp Hose[High Tensile Metal Strap]

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

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