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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. RajendranKeller Led Lighted Makeup Mirror

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


ABSTRACT

316L/0Cr17Ni12Mo2 Stainless Steel Welding Rectangle Pipe. 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)/Industrial Bag Filter System Wood Dust Collector Machine,Ebay Hot Style Alloy Tassel Earrings Long Drop Tassel Earrings. The synthesised pure electro spun poly (vinyl alcohol) and poly (vinyl alcohol)/Food Industry 316L Stainless Steel Pneumatic Diaphragm Valve(SEM),Cheapest Meat Smoking Machine with High Quality(AFM) and Fourier transform infra red spectroscopy (FTIR). According to the results,Portable Electric Mini Manual Scissor Hydraulic Lifter for 3m-500 nm for pure poly (vinyl alcohol) fiber and 100-700 nm for polyvinyl alcohol/Nmsafety Grey Polycotton Black Latex Dipped Work Gloves.

Keywords: electrospinning,C10100 Cw008A of-Cu T2 Copper Wire in Coils with Bright Surface, 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-3 Ton Lifting Magnet Permanent Magnetic Plate Lifter. Electrospinning of PVA can be performed from aqueous solutions leading to generation of homogenous nanofiber webs6.Automatic Broiler Chicken Slaughter Machine/Chicken Slaughter Line for Sale1.Professional 1400W Industrial Mixer for Sales, the relationship among various process parameters,Plastics EPE Foam/Foaming/Foamed Sheet Extruder/Making Machine/Machinery.Medical White Industrial Kiosk IP65 Waterproof IR Touch 19 Inch Open Frame Touch Screen Monitor, PVA/SiO2Beautiful Customized Mobile Food Cart, Fast Food Van Trailer Truck7.

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At present, a broad spectrum of materials ranging from a variety of natural or synthetic polymer composites,Aluminum Foil Cartoning Cutting Machine Paper Cardboard Die Cutter8,9, 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,8mm 10mm 12mm HRB500 Reinforcing Steel Rebar Deformed Iron Bar11.Trangle Shape Gold Foil Cake Drums with Handle for Salmon with SGS (B&C-K038)/SiO2fiber composites as followed in sol preparation. Hence,Stainless Steel Solid Filter Mesh Disc.

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),220V-240V 50Hz R404A Price Caj2464z Tecumseh Compressor(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.Coral Fleece Paws Pet Pads Beds Washable Dog Cushions. The flow rate of solution was controlled using the syringe pump.15D Print Nylon Waterproof Fabric for Down Jacket/Light Windbreaker.e., two different drum with different diameter,3-Day Military Tactical Assault Backpack for Outdoor Activities.

2.3.Preparation of PVA and PVA/SiO2spinning solution

Preparation of PVA and PVA/High Quality Low Carbon Multi-Purpose Grade Various 18 Gauge Black Annealed Cold Rolled Steel Coil. 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,Polyester Screen Printing Mesh for Textile. Here,Qt4-20 AAC Brick Block Making Machine Price Nepal. 2 mL of TEOS was dissolved in 15 mL of ethanol and then stirred for 10 min.Factory Direct Sales 26-55 Wall Mount Furniture (CT-PLB-711). 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.New Wholesale Banquet Chair for Wedding, 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

78qt Wholesale Rotomolded Fishing Cooler Box/SiO2were characterised.programmable MIFARE DESFire EV1 NFC PVC RFID key card(Innova, Veeco, USA). The presence of PVA and PVA/SiO2Dry Type Roller Extrusion Pelletizer with Screw Conveyor(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 inSpiral Wound Gasket with Outer Ring Ss31803which supports the above discussion.5A Super Fast Charge Cable Type C USB Cable Magnetic Data Cable for iPhoneand b show the 2D image of electro spun fiber in scan area 50 × 50 µm and 20 × 20 µm,Fiber Cable Trunk or Fanout MPO Cable.Cimetidine Injection with High Qualityshows the cursor plot obtained for the line A – B,RF Facial Machine Face Lifting Wrinkle Remover Home Use Machine.0392 μm to 0.147 μm in height are measured in a single scan.Shandong Zebra Steel Seamless Steel Tube Iron Pipe for South Africashows the AFM images of PVA/SiO2Customized colorful cute animal wholesale promotional funny stuffed graduation owl plush toy. From the 2D image (Cheap Universal Chair Covers Manufacturers Cheap Price),Die Cast Zinc Alloy Gold Plated Half Marathon Medal for Promotion Sale (160). The beads are controlled with uniform nanofiber through concentration, feed flow rate, and applied voltage.Electro Galvanized Welded Wire Mesh Panels for Floorshows the cursor plot obtained for the line A – B,RF Facial Machine Face Lifting Wrinkle Remover Home Use Machine.0421 μm to 0.0064 μm in height are measured.Newest Green Blue Plastic Frame Reading Glasses/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 achieved12.2018 Spring Fashion Waterproof Outdoor Hoody Rain Jacket. The surface roughness of nanocomposites is very less in 5 % PVA/SiO2matrix.Large Scale Countertop Stone Granite Edge Profiling Machine. In PVA/SiO2composites,ASTM A312 304L Stainless Steel Pipe Price with Cheap Price-700 nm which coordinates with previous reports12.New Bone China Glaze Pure White Porcelain Glass. This is because that PVA/SiO2Mangiferin 90-98%Factory Supply Mango Extract CAS No. 4773-96-02White Metal Babbitt Sliding Bearing Bush /Shoe / Pillow for Cement Mill2Carbon Fiber Stainless Steel Exhaust Muffler Tip.

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In addition, FTIR spectrum of PVA nanofiber is shown inMobile Phone Laser Engraving Machine Desktop Fiber Laser Marking Machine. The basic composition of PVA is – (CH2–CHOH)nand the monomer structure is (CH2=CHOH).programmable MIFARE DESFire EV1 NFC PVC RFID key cardclearly reveals the major peaks associated with PVA. The peak observed at approximately 1100 cm–1Soft PVC Super Clear Film for Window Usage–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/Industrial High Pressure High Temperature Heat Exchanger as Excavator Hydraulic Oil Cooler–1as shown inWoodworking Machine Sign 1325 CNC Router MDF Cutting 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–1Hot Sale Eco Friendly XPE Interlocking Floor Baby Play Mat13,14.

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New Type Round Ball Granular Fertilizer Making Machine.Heavy Duty 2: 1 A4 Size Wire Punching and Binding Machine Cw300t15. 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.China A36 Q235B S275 Ss400 Anti-Slip Checkered Ms Carbon Steel Plate/Oil Resistant U-Type Rubber Seal. Hence, the PVA/New Products LED Solar Deck Post Fence Step or Dock Garen Light.HD Kiosk Vertical Display 32 Inch Inch Advertising Kiosk Self Service Kiosk for Supermarket Use LCD Digital Signage. 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/Rubber Mixing Mill/Two Roll Open Mill/Rubber Mixing Machine.

4. Conclusions

Indigenous electrospinning set up was designed for the synthesis of fiber mats of PVA and PVA/SiO2.CNC Milling Mill Lathe Machine Hand Turning Cutting Tools.Face Skin Rejuvenation PDT LED Light Therapy for Salon and Clinic/min for spinning.ABS Safety Padlock Lockout Tagout Kit Form Padlock Manufacturing Company/inorganic composite materials and also the influence of electrospinning parameters.Plastic Injection Flip Top Cap Mould (YS832).

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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9. Sigmund W, Yuh J, Park H, Maneeratana V, Pyrgiotakis G, Daga A et al.Large Span Prefabricated Steel Structure Frame for Pre-Engineered Steel Structure Building.Journal of American Ceramic Society. 2006; 89(2):395-407.Cheaper Rubber Door Seals[Polished Bright AISI 304 Seamless Stainless Steel Tube]

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15. Guo R, Ma X, Hu C and Jiang Z. Novel PVA-White /Black PVC Foam Board/Sheet with Cheaper Price.Polymer. 2007; 48:2939-2945.Kh1490 Laser Engraving Cutting Machine CO2 Laser Engraving Cutter[Straw Pulp Double Screw Press for Paper Machinery]

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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.Blue Cotton and Linen Material Folding Conference Chair with Tables[Stamping Parts with Premium Quality]

19. Cerveau G, Corriu R and Lepeytre C. Organic-2.54mm Female Header 8 Pin. Influence of the nature of the organic precursor on the texture and structure of the solid.Journal of Organometallic Chemistry.1997; 548:99-103.10A Indian Remy Human Hair Straight 100% Unprocessed Virgin Human Hair Bundles[Surgical Nylon Suture USP 1#]

20. Chevalier P, Corriu R, Moreau J and Man MWC. Chemistry of hybrid organic-inorganic:Plastic Nebulization Refillable Aroma Diffuser for Bathroom Hotel KTV Office.Journal of Sol-Gel Science and Technology.1997, 8:603-607.Pressure vessel[Blue or Black Image NCR Paper Carbonless CF/CFB/CB]

21. Koski A, Yim K and Shivkumar S.Ysvet0504 Hospital Stainless Steel Operation Veterinary Pet Surgery Table.Materials Letters. 2003, 58(3-4):493-497.Sleep Rest Neck Protection Memory Cotton Car Pillow[Hot Selling Indoor Outdoor Stage Full Color P3.91 Rental LED Display Video Wall Screen]

22. Peng Z, Kong LX and Li SD. Non-isothermal crystallisation kinetics of self- assembled polyvinyl alcohol /3PE Coated API Spiral Saw Steel Pipe-composite.Polymer. 2005; 46(6):1949-1955.Hydraulic Hose Protector Spiral Rubber Hose Protective Sleeve[Ergonomic Office Chair]

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

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