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  • 451.
    Moons, Ellen
    et al.
    Karlstad University, Faculty of Technology and Science, Department of Physics and Electrical Engineering. Karlstad University, Faculty of Technology and Science, Materials Science.
    Goossens, A.
    Savenije, TJ.
    Surface Photovoltage of Porphyrin Layers Using the Kelvin Probe Technique1997In: J. Phys. Chem. B 101, 42 (1997) p. 8492-8498Article in journal (Refereed)
  • 452. Morgado, J.
    et al.
    Moons, Ellen
    Karlstad University, Faculty of Technology and Science, Department of Physics and Electrical Engineering. Karlstad University, Faculty of Technology and Science, Materials Science.
    Friend, R.H.
    Cacialli, F.
    De-mixing of Polyfluorene Based Blends by Contact with Acetone: Electro-and Photoluminescence Probes2001In: Adv. Mater. 13, 11 (2001) p. 810-814Article in journal (Refereed)
  • 453. Morgado, J.
    et al.
    Moons, Ellen
    Karlstad University, Faculty of Technology and Science, Department of Physics and Electrical Engineering. Karlstad University, Faculty of Technology and Science, Materials Science.
    Friend, R.H.
    Cacialli, F.
    Optical and Morphological Investigations of Non-homogeneity in Polyfluorene Blends2001In: Synth. Metals 124, 1 (2001) p. 63-66Article in journal (Refereed)
  • 454. Morteani, A.C.
    et al.
    Dhoot, A.S.
    Kim, J.-S.
    Silva, C.
    Greenham, N.C.
    Friend, R.H.
    Murphy, C.
    Moons, Ellen
    Karlstad University, Faculty of Technology and Science, Department of Physics and Electrical Engineering. Karlstad University, Faculty of Technology and Science, Materials Science.
    Ciná, S.
    Burroughes,, J.
    Barrier-Free Electron-Hole Capture in Polymer Blend Heterojunction Light-Emitting Diodes2003In: Adv. Mater. 15, 20 (2003) p. 1708-1712Article in journal (Refereed)
  • 455. Mårtensson, P.
    et al.
    Hansson, G.V.
    Lähdeniemi, M.
    Magnusson, Kjell
    Karlstad University, Faculty of Technology and Science, Department of Physics and Electrical Engineering. Karlstad University, Faculty of Technology and Science, Materials Science.
    Wiklund, S.
    Nicholls, J.M.
    Surface electronic structure of GaAs(110)1x1-Sb studied with angle-resolved photoelectron spectroscopy1986In: Phys. Rev. B 33,7399 (1986)Article in journal (Refereed)
  • 456.
    Müller, Christian
    et al.
    Department of Physics, Chemistry and Biology, Linköpings universitet, Sweden.
    Bergqvist, Jonas
    Department of Physics, Chemistry and Biology, Linköpings universitet, Sweden.
    Vandewal, Koen
    Department of Physics, Chemistry and Biology, Linköpings universitet, Sweden.
    Tvingstedt, Kristoffer
    Department of Physics, Chemistry and Biology, Linköpings universitet, Sweden.
    Anselmo, Ana Sofia
    Karlstad University, Faculty of Technology and Science, Department of Physics and Electrical Engineering. Karlstad University, Faculty of Technology and Science, Materials Science.
    Magnusson, Roger
    Department of Physics, Chemistry and Biology, Linköpings universitet, Sweden.
    Alonso, M. Isabel
    Institut de Ciencia de Materials de Barcelona (ICMAB-CSIC), Esfera UAB, ES-08193 Bellaterra, Spain.
    Moons, Ellen
    Karlstad University, Faculty of Technology and Science, Department of Physics and Electrical Engineering. Karlstad University, Faculty of Technology and Science, Materials Science.
    Arwin, Hans
    Department of Physics, Chemistry and Biology, Linköpings universitet, Sweden.
    Campoy-Quiles, Mariano
    Institut de Ciencia de Materials de Barcelona (ICMAB-CSIC), Esfera UAB, ES-08193 Bellaterra, Spain.
    Inganäs, Olle
    Department of Physics, Chemistry and Biology, Linköpings universitet, Sweden.
    Phase behaviour of liquid-crystalline polymer/fullerene organic photovoltaic blends: thermal stability and miscibility2011In: Journal of Materials Chemistry, ISSN 0959-9428, E-ISSN 1364-5501, Vol. 21, p. 10676-10684Article in journal (Refereed)
    Abstract [en]

    The thermal behaviour of an organic photovoltaic (OPV) binary system comprised of a liquidcrystalline fluorene-based polymer and a fullerene derivative is investigated. We employ variabletemperature ellipsometry complemented by photo- and electroluminescence spectroscopy as well as optical microscopy and scanning force nanoscopy to explore phase transitions of blend thin films. The high glass transition temperature correlates with the good thermal stability of solar cells based on these materials. Furthermore, we observe partial miscibility of the donor and acceptor together with the tendency of excess fullerene derivative to segregate into exceedingly large domains. Thus, for charge generation less adequate bulk-heterojunction nanostructures are poised to develop if this mixture is exposed to more elevated temperatures. Gratifyingly, the solubility of the fullerene derivative in the polymer phase is found to decrease if a higher molecular-weight polymer fraction is employed, which offers routes towards improving the photovoltaic performance of non-crystalline OPV blends.

  • 457. Nafari, A.
    et al.
    Karlen, D.
    Rusu, C.
    Svensson, Krister
    Karlstad University, Faculty of Technology and Science, Department of Physics and Electrical Engineering. Karlstad University, Faculty of Technology and Science, Materials Science.
    Olin, H.
    Enoksson, P.
    MEMS force sensor for in-situ TEM atomic force microscopy2007Conference paper (Refereed)
  • 458. Nafari, A.
    et al.
    Larsson, M.
    Danilov, A.
    Svensson, Krister
    Karlstad University, Faculty of Technology and Science, Department of Physics and Electrical Engineering. Karlstad University, Faculty of Technology and Science, Materials Science.
    Enoksson, P.
    In Situ TEM nanoindentation using a MEMS force sensor2006Conference paper (Refereed)
  • 459. Nafari, A.
    et al.
    Svensson, Krister
    Karlstad University, Faculty of Technology and Science, Department of Physics and Electrical Engineering. Karlstad University, Faculty of Technology and Science, Materials Science.
    Olin, H.
    Enoksson, P.
    Rusu, C.
    Karlen, D.
    MEMS sensor for in-situ TEM atomic force microscopy2008Patent (Other (popular science, discussion, etc.))
  • 460.
    Nafari, Alexandra
    et al.
    Micro- and Nanosystems Group, Department of Microtechnology and Nanoscience, Chalmers University of Technology.
    Ghavanni, Farzan Alavian
    Micro- and Nanosystems Group, Department of Microtechnology and Nanoscience, Chalmers University of Technology.
    Bring, Martin
    Micro- and Nanosystems Group, Department of Microtechnology and Nanoscience, Chalmers University of Technology.
    Svensson, Krister
    Karlstad University, Faculty of Technology and Science, Department of Physics and Electrical Engineering. Karlstad University, Faculty of Technology and Science, Materials Science.
    Enoksson, Peter
    Micro- and Nanosystems Group, Department of Microtechnology and Nanoscience, Chalmers University of Technology.
    Calibration methods of force sensors in the micro-Newton range2007In: Journal of Micromechanics and Microengineering, ISSN 0960-1317, E-ISSN 1361-6439, Vol. 17, no 10, p. 2102-2107Article in journal (Refereed)
    Abstract [en]

    A micromachined capacitive force sensor operating in the micro-Newton range has been calibrated using both dynamic and static methods. Both calibrations are non-destructive, accurate and traceable to Système International (SI) fundamental units. The dynamic calibration is a differential mass loading resonant method where the resonance frequency with and without an added mass is measured. This gives enough information to compute the spring constant. In this paper, we evaluate the resonant mass loading method for more complex MEMS devices. Analytical calculations and finite element analysis have been performed to investigate the dynamic properties of the sensor, e.g. modal interference. The frequency response was measured with the third harmonic method where the third harmonic of the current through the sensor was measured. To detect and analyse the resonance mode of the structure during excitation, a scanning laser Doppler vibrometer was used. Two designs of a capacitive nanoindenter force sensor with flexure-type springs have been evaluated using these methods. The quality of the resonant calibration method has been tested using static mass loading in combination with transmission electron microscopy imaging of the sensor displacement. This shows that the resonant method can be extended to calibrate more complex structures than plain cantilevers. Both calibration methods used are traceable to SI fundamental units as they are based on masses weighed on a calibrated scale. The masses used do not need to be fixed or glued in any way, making the calibration non-destructive.

  • 461. Nestorson, A.
    et al.
    Jansson, A.
    Järnström, Lars
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Paper Surface Centre. Karlstad University, Faculty of Technology and Science, Department of Chemical Engineering. Karlstad University, Faculty of Technology and Science, Materials Science.
    Jönsson, L.
    Leufvén, A.
    Neoh, K. G.
    Kang, E.T.
    Latex Dispersions as carriers for Glucose Oxidase Savenging Systems2008In: TAPPI Adv. Coating Fund. Symp., June 11-13, 2008 (proc.), pp. 456-467, TAPPI Press, Atlanta, ISBN 1-59510-174-8, 2008, 2008Chapter in book (Refereed)
  • 462. Nestorson, A.
    et al.
    Jansson, A.
    Järnström, Lars
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Paper Surface Centre. Karlstad University, Faculty of Technology and Science, Department of Chemical Engineering. Karlstad University, Faculty of Technology and Science, Materials Science.
    Jönsson, L.
    Leufvén, A.
    Neoh, K. G.
    Kang, E.T.
    Latex Dispersions as carriers for Glucose Oxidase Savenging Systems2008Conference paper (Refereed)
  • 463. Nestorson, Anna
    et al.
    Forsgren, G.
    Leufvén, A.
    Järnström, Lars
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Paper Surface Centre. Karlstad University, Faculty of Technology and Science, Department of Chemical Engineering. Karlstad University, Faculty of Technology and Science, Materials Science.
    Multivariate Analysis of Retention and Distribution of Aroma Compounds in Barrier Dispersion Coatings2007In: Packaging Technology and Science, 20(5), 345-358 (2007)Article in journal (Refereed)
  • 464. Nestorson, Anna
    et al.
    Leufvén, A.
    Järnström, Lars
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Paper Surface Centre. Karlstad University, Faculty of Technology and Science, Department of Chemical Engineering. Karlstad University, Faculty of Technology and Science, Materials Science.
    Control of aroma permeability in latex coatings by altering the vinyl acid content and the temperature around Tg2007In: Polymer Testing, 26(7), 916-926 (2007)Article in journal (Refereed)
  • 465. Nestorson, Anna
    et al.
    Leufvén, A.
    Järnström, Lars
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Paper Surface Centre. Karlstad University, Faculty of Technology and Science, Department of Chemical Engineering. Karlstad University, Faculty of Technology and Science, Materials Science.
    Interactions between aroma compounds and latex films;: partition coefficients and influence on latex film formation2006In: Packaging Technology and Science (2006:19; p.71-82)Article in journal (Refereed)
  • 466. Neuhold, G.
    et al.
    Horn, K.O.
    Magnusson, Kjell
    Karlstad University, Faculty of Technology and Science, Department of Physics and Electrical Engineering. Karlstad University, Faculty of Technology and Science, Materials Science.
    Evans, D.A.
    Zincblende-CdSe on GaSb(110) : characterization of epitaxial growth and electronic structure1995In: J.Vac.Sci.Technol., A 13, 666 (1995)Article in journal (Refereed)
  • 467. Nicholls, J.M.
    et al.
    Magnusson, Kjell
    Karlstad University, Faculty of Technology and Science, Department of Physics and Electrical Engineering. Karlstad University, Faculty of Technology and Science, Materials Science.
    Reihl, B.
    Electronic structure of the InP(110) surface : an inverse photoemission study1991In: Surf. Sci. Lett. 243, L31 (1991)Article in journal (Refereed)
  • 468.
    Nilsson, Daniel
    et al.
    Department of Chemical and Biological Engineering, Chalmers University of Technology.
    Watcharinyanon, Somsakul
    Karlstad University, Faculty of Technology and Science, Department of Physics and Electrical Engineering.
    Eng, Mattias
    Department of Chemical and Biological Engineering, Chalmers University of Technology.
    Li, Liqian
    Department of Chemical and Biological Engineering, Chalmers University of Technology.
    Moons, Ellen
    Karlstad University, Faculty of Technology and Science, Department of Physics and Electrical Engineering. Karlstad University, Faculty of Technology and Science, Materials Science.
    Johansson, Lars
    Karlstad University, Faculty of Technology and Science, Department of Physics and Electrical Engineering. Karlstad University, Faculty of Technology and Science, Materials Science.
    Zharnikov, Michael
    Angewandte Physikalische Chemie, Universität Heidelberg.
    Shaporenko, Andrey
    Angewandte Physikalische Chemie, Universität Heidelberg.
    Albinsson, Bo
    Department of Chemical and Biological Engineering, Chalmers University of Technology.
    Mårtensson, Jerker
    Department of Chemical and Biological Engineering, Chalmers University of Technology.
    Characterization of Self-Assembled Monolayers of Oligo(phenyleneethynylene) Derivatives of Varying Shapes on Gold: Effect of Laterally Extended ∏-Systems2007In: Langmuir, ISSN 0743-7463, E-ISSN 1520-5827, Vol. 23, no 11, p. 6170-6181Article in journal (Refereed)
    Abstract [en]

    Fully conjugated organic molecules, such as the oligo(phenyleneethynylene) (OPE) systems, are of growing interest within the field of molecular electronics, as is the self-assembly of well-defined molecular thin films with predefined functions. The structure and function of such films are intimately related and governed by the structures of their molecular constituents, through the intermolecular interactions and the interactions between the molecules and the substrate, onto which the film is assembled. Here we report on the synthesis of a series of three OPE derivatives, with the general structure phenylethynylene−aryl−ethynylenephenylene−headgroup, and the structural investigation of the self-assembled monolayers (SAMs) formed from them on Au(111) surfaces. The SAMs were characterized by infrared reflection−absorption spectroscopy, spectroscopic ellipsometry, high-resolution X-ray photoemission spectroscopy, and near-edge X-ray absorption fine structure spectroscopy. The effective thickness of the SAMs was observed to decrease as the π-system of the aryl moiety of the OPE adsorbate was extended perpendicular to its molecular long axis. Changing the aryl moiety from benzene to naphthalene to anthracene resulted in lower molecular surface densities and larger molecular inclination. The average tilt angles for the benzene, naphthalene, and anthracene SAMs were found to be about 30°, 40°, and 42° from the surface normal, respectively. For the largest adsorbate, the anthracene derivative, there is spectroscopic evidence suggesting the existence of nonequivalent binding sites. The differences observed between the SAMs are rationalized in terms of the shape of the adsorbates and the strength of the π−π interactions between them

  • 469.
    Nilsson, Svante
    et al.
    Karlstad University, Faculty of Technology and Science, Department of Physics and Electrical Engineering.
    Bernasik, Andrzej
    Faculty of Physics and Applied Computer Science, AGH-University of Science and Technology, Al. Mickiewicza 30, Krakow 30–059, Poland.
    Budkowski, Andrzej
    M. Smoluchowski Insitute of Physics, Jagiellonian University, Reymonta 4, Krakow 30–059, Poland.
    Moons, Ellen
    Karlstad University, Faculty of Technology and Science, Department of Physics and Electrical Engineering. Karlstad University, Faculty of Technology and Science, Materials Science.
    Morphology and phase segregation of spin-casted films of polyfluorene/PCBM blends2007In: Macromolecules, ISSN 0024-9297, E-ISSN 1520-5835, Vol. 40, no 23, p. 8291-8301Article in journal (Refereed)
    Abstract [en]

    In this study the morphology of spin-casted films of polymers blended with [6,6]-phenyl C61-butyric acid methyl ester (PCBM) has been studied. It was found that the lateral structure formation in the films is favored by rapid solvent evaporation and strong polymer−PCBM repulsion. The formation of homogeneous films is favored by slow evaporation and weak polymer−PCBM repulsion. The effect of solvent evaporation rate is the opposite of what is found for spin-casting polymer−polymer blends. The results can be explained by the kinetics of phase separation and the phase behavior involving limited solubility and crystallization of PCBM.

  • 470. Nordström, Johan
    et al.
    Bergström, Jens
    Karlstad University, Faculty of Technology and Science, Materials Science. Karlstad University, Faculty of Technology and Science, Department of Mechanical and Materials Engineering.
    Cemented carbides and high speed steels in green wood cutting2005Other (Other (popular science, discussion, etc.))
  • 471. Nordström, Johan
    et al.
    Bergström, Jens
    Karlstad University, Faculty of Technology and Science, Materials Science. Karlstad University, Faculty of Technology and Science, Department of Mechanical and Materials Engineering.
    Modelling of tooth edge wear in green wood cutting2005Other (Other (popular science, discussion, etc.))
  • 472. Nordström, Johan
    et al.
    Bergström, Jens
    Karlstad University, Faculty of Technology and Science, Materials Science. Karlstad University, Faculty of Technology and Science, Department of Mechanical and Materials Engineering.
    The influence of tooth bite and cutting speed on wear of swaged saw teeth in timber cutting2002Conference paper (Refereed)
  • 473. Nordström, Johan
    et al.
    Bergström, Jens
    Karlstad University, Faculty of Technology and Science, Materials Science. Karlstad University, Faculty of Technology and Science, Department of Mechanical and Materials Engineering.
    Wear testing of saw teeth in timber cutting2001Other (Other (popular science, discussion, etc.))
  • 474. Nyberg, C.
    et al.
    Svensson, Krister
    Karlstad University, Faculty of Technology and Science, Department of Physics and Electrical Engineering. Karlstad University, Faculty of Technology and Science, Materials Science.
    Mårtensson, A.S.
    Andersson, S.
    Adsorption of Hydrogen on stepped nickel and palladium surfaces - observation of chemisorbed hydrogen molecules1993In: Journal of Electron Spectroscopy and Related PhenomenaArticle in journal (Refereed)
  • 475.
    Nyflött, Åsa
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences (from 2013).
    Axrup, Lars
    Stora Enso.
    Carlsson, Gunilla
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences (from 2013).
    Järnström, Lars
    Karlstad University, Faculty of Technology and Science, Department of Chemical Engineering. Karlstad University, Faculty of Technology and Science, Paper Surface Centre.
    Lestelius, Magnus
    Karlstad University, Faculty of Technology and Science, Department of Chemical Engineering. Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences (from 2013), Paper Surface Centre. Karlstad University, Faculty of Technology and Science, Materials Science.
    Moons, Ellen
    Karlstad University, Faculty of Technology and Science, Department of Physics and Electrical Engineering.
    Wahlström, Torbjörn
    Stora Enso.
    Influence of kaolin addition on the dynamics of oxygen mass transport in polyvinyl alcohol dispersion coatings2015In: Nordic Pulp & Paper Research Journal, ISSN 0283-2631, E-ISSN 2000-0669, Vol. 30, no 3, p. 385-392Article in journal (Refereed)
    Abstract [en]

    The permeability of dispersion barriers produced from polyvinyl alcohol (PVOH) and kaolin clay blends coated onto polymeric supports has been studied by employing two different measurement methods: the oxygen transmission rate (OTR) and the ambient oxygen ingress rate (AOIR). Coatings with different thicknesses and kaolin contents were studied. Structural information of the dispersion-barrier coatings was obtained by Fourier transform infrared spectroscopy (FTIR) spectroscopy and scanning electron microscopy (SEM). These results showed that the kaolin content influences both the orientation of the kaolin and the degree of crystallinity of the PVOH coating. Increased kaolin content increased the alignment of the kaolin platelets to the basal plane of the coating. Higher kaolin content was accompanied by higher degree of crystallinity of the PVOH. The barrier thickness proved to be less important in the early stages of the mass transport process, whereas it had a significant influence on the steady-state permeability. The results from this study demonstrate the need for better understanding of how permeability is influenced by (chemical and physical) structure.

  • 476.
    Nyflött, Åsa
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences (from 2013).
    Petkova-Olsson, Yana
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences (from 2013).
    Moons, Ellen
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Physics (from 2013).
    Bonnerup, Chris
    Stora Enso.
    Järnström, Lars
    Karlstad University, Faculty of Technology and Science, Paper Surface Centre. Karlstad University, Faculty of Technology and Science, Materials Science. Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences (from 2013).
    Carlsson, Gunilla
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences (from 2013).
    Lestelius, Magnus
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences (from 2013), Paper Surface Centre. Karlstad University, Faculty of Technology and Science, Materials Science.
    Minelli, Matteo
    Bologna University.
    Modelling of oxygen permeation through filled polymeric layers for barrier coatings2017In: Journal of Applied Polymer Science, ISSN 0021-8995, E-ISSN 1097-4628, Vol. 134, no 20, article id 44834Article in journal (Refereed)
  • 477. Nygårds, M
    et al.
    Just, M.
    Hallbäck, Nils
    Karlstad University, Faculty of Technology and Science, Materials Science. Karlstad University, Faculty of Technology and Science, Department of Mechanical and Materials Engineering.
    Tryding, J.
    A finite Element Model for simulations of Creasing and Folding of PaperBoard2005Conference paper (Refereed)
  • 478. Olin, H.
    et al.
    Althoff, F.
    Svensson, Krister
    Karlstad University, Faculty of Technology and Science, Department of Physics and Electrical Engineering. Karlstad University, Faculty of Technology and Science, Materials Science.
    Micropositioning device2001Patent (Other (popular science, discussion, etc.))
  • 479. Olin, H.
    et al.
    Svensson, Krister
    Karlstad University, Faculty of Technology and Science, Department of Physics and Electrical Engineering. Karlstad University, Faculty of Technology and Science, Materials Science.
    Althoff, F.
    Danilov, A.
    Measurement device for electron microscope2002Patent (Other (popular science, discussion, etc.))
  • 480. Olin, H.
    et al.
    Svensson, Krister
    Karlstad University, Faculty of Technology and Science, Department of Physics and Electrical Engineering. Karlstad University, Faculty of Technology and Science, Materials Science.
    Althoff, F.
    Danilov, A.
    Bengtsson, P.
    Hospers, M.
    Sample chamber device for an electron microscope2002Patent (Other (popular science, discussion, etc.))
  • 481. Olin, H.
    et al.
    Svensson, Krister
    Karlstad University, Faculty of Technology and Science, Department of Physics and Electrical Engineering. Karlstad University, Faculty of Technology and Science, Materials Science.
    Althoff, F.
    Danilov, P.
    Bengtsson, P.
    Hospers, M.
    Device for reducing the impact of doistortion in a microscope2002Patent (Other (popular science, discussion, etc.))
  • 482.
    Olsson, Robert
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Paper Surface Centre.
    van Stam, Jan
    Karlstad University, Faculty of Technology and Science, Department of Chemistry and Biomedical Sciences. Karlstad University, Faculty of Technology and Science, Materials Science.
    Lestelius, Magnus
    Karlstad University, Faculty of Technology and Science, Department of Chemical Engineering. Karlstad University, Faculty of Health, Science and Technology (starting 2013), Paper Surface Centre. Karlstad University, Faculty of Technology and Science, Materials Science.
    Important fluid properties for Imbibition into Coating Layers2005Conference paper (Refereed)
  • 483.
    Olsson, Robert
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Paper Surface Centre.
    Yang, Li
    Lestelius, Magnus
    Karlstad University, Faculty of Technology and Science, Department of Chemical Engineering. Karlstad University, Faculty of Health, Science and Technology (starting 2013), Paper Surface Centre. Karlstad University, Faculty of Technology and Science, Materials Science.
    Flexographic print quality of pilot coated paperboards2008Conference paper (Other (popular science, discussion, etc.))
  • 484.
    Olsson, Robert
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Paper Surface Centre.
    Yang, Li
    Lestelius, Magnus
    Karlstad University, Faculty of Technology and Science, Department of Chemical Engineering. Karlstad University, Faculty of Health, Science and Technology (starting 2013), Paper Surface Centre. Karlstad University, Faculty of Technology and Science, Materials Science.
    Water retention of flexographic inks and its influence on final print gloss2007In: Nordic Pulp and Paper Journal, Vol. vol 22, p. 287-292Article in journal (Refereed)
  • 485.
    Olsson, Robert
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences, Paper Surface Centre.
    Yang, Li
    van Stam, Jan
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences.
    Lestelius, Magnus
    Karlstad University, Faculty of Technology and Science, Department of Chemical Engineering. Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences, Paper Surface Centre. Karlstad University, Faculty of Technology and Science, Materials Science.
    Effects on ink setting in flexographic printing: coating polarity and dot gain2006In: Nordic Pulp & Paper Research Journal, ISSN 0283-2631, E-ISSN 2000-0669, Vol. 21, no 5, p. 569-574Article in journal (Refereed)
    Abstract [en]

    Research has been carried out to study the factors that affect ink setting, with particular focus on the effects of coating polarity and the printing pressure in flexographic printing. Different coating layers were prepared on non-porous polyester films. The coating colours were based on calcium carbonates of different particle sizes, lattices of different polarities and a carboxymethyl cellulose (CMC) thickener. Two latex films were prepared to characterise the surface tension properties through contact angle measurements, which were repeated several times for each latex film and testing fluid. The coating layers were printed in a laboratory printing press under different printing pressures using a water-based flexographic ink. Results showed different print densities for a given amount of ink transferred on the different substrates, with the latex character rather than the pore size of the substrates affecting the print density. Compared with the less polar substrate, the more polar substrate resulted in a higher print density. A non-linear relationship between physical dot enlargement and printing pressure was visualised, resulting from increasing printing form deformation. A mathematical model for printing plate deformation has been proposed that takes into account elastic deformations. It was found that the diameter of the printed halftone dot was larger in the print direction than in the cross print direction. (7 fig, 6 tab, 17 ref)

  • 486.
    Olsson, Robert
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Paper Surface Centre.
    Yang, Li
    van Stam, Jan
    Karlstad University, Faculty of Technology and Science, Department of Chemistry and Biomedical Sciences. Karlstad University, Faculty of Technology and Science, Materials Science.
    Lestelius, Magnus
    Karlstad University, Faculty of Technology and Science, Department of Chemical Engineering. Karlstad University, Faculty of Health, Science and Technology (starting 2013), Paper Surface Centre. Karlstad University, Faculty of Technology and Science, Materials Science.
    Flexographic ink transfer and setting due to coating polarity and printing conditions2006Conference paper (Refereed)
  • 487. Osman,, H.
    et al.
    Schmidt, J.
    Svensson, Krister
    Karlstad University, Faculty of Technology and Science, Department of Physics and Electrical Engineering. Karlstad University, Faculty of Technology and Science, Materials Science.
    Shigeta, Y.
    Wilcoxon, J.P.
    Palmer, R.E.
    STM studies of passivated Au nanocrystals immobilised on a passivated Au(111) surface: ordered arrays and single electron tunneling2000In: Chemical Physics LettersArticle in journal (Refereed)
  • 488. Palmer, R.E.
    et al.
    Eves, B.J.
    Festy, F.
    Svensson, Krister
    Karlstad University, Faculty of Technology and Science, Department of Physics and Electrical Engineering. Karlstad University, Faculty of Technology and Science, Materials Science.
    Scanning probe energy loss spectroscopy2002In: Surface ScienceArticle in journal (Refereed)
  • 489. Palmer, R.E.
    et al.
    Svensson, Krister
    Karlstad University, Faculty of Technology and Science, Department of Physics and Electrical Engineering. Karlstad University, Faculty of Technology and Science, Materials Science.
    Laitenberger, P.G.
    Festy, F.
    Eves, B.J.
    Instrument and method for combined surface topography and spectroscopic analysis2001Patent (Other (popular science, discussion, etc.))
  • 490. Persson, A.
    et al.
    Bergström, Jens
    Karlstad University, Faculty of Technology and Science, Materials Science. Karlstad University, Faculty of Technology and Science, Department of Mechanical and Materials Engineering.
    Burman, Christer
    Karlstad University, Faculty of Technology and Science, Materials Science. Karlstad University, Faculty of Technology and Science, Department of Mechanical and Materials Engineering.
    Evaluation of heat checking damage in die casting1999Conference paper (Refereed)
  • 491. Persson, A
    et al.
    Bergström, Jens
    Karlstad University, Faculty of Technology and Science, Materials Science. Karlstad University, Faculty of Technology and Science, Department of Mechanical and Materials Engineering.
    Burman, Christer
    Karlstad University, Faculty of Technology and Science, Materials Science. Karlstad University, Faculty of Technology and Science, Department of Mechanical and Materials Engineering.
    Hogmark, S
    Experimental Investigation n thermal fatigue of a surface engineered hot work tool steel2001Conference paper (Refereed)
  • 492. Persson, A
    et al.
    Bergström, Jens
    Karlstad University, Faculty of Technology and Science, Materials Science. Karlstad University, Faculty of Technology and Science, Department of Mechanical and Materials Engineering.
    Burman, Christer
    Karlstad University, Faculty of Technology and Science, Materials Science. Karlstad University, Faculty of Technology and Science, Department of Mechanical and Materials Engineering.
    Hogmark, S
    Influence of deposotion temperature and time during PVD coating of CrN on corrosive wear in liquid aluminium2001In: Surface and coatings Technology, 146-147, 2001, 42Article in journal (Refereed)
  • 493. Persson, A
    et al.
    Bergström, Jens
    Karlstad University, Faculty of Technology and Science, Materials Science. Karlstad University, Faculty of Technology and Science, Department of Mechanical and Materials Engineering.
    Hogmark, S
    Influence of surface engineering on the performance of tool steels for die casting2002In: / [ed] J Bergström, G Fredriksson, M Johansson, O Kotik, F Thuvander, 2002Conference paper (Refereed)
  • 494. Persson, A
    et al.
    Hogmark, S
    Bergström, Jens
    Karlstad University, Faculty of Technology and Science, Materials Science. Karlstad University, Faculty of Technology and Science, Department of Mechanical and Materials Engineering.
    Failure modes in field-tested brass die casting dies2003Other (Other (popular science, discussion, etc.))
  • 495. Persson, A
    et al.
    Hogmark, S
    Bergström, Jens
    Karlstad University, Faculty of Technology and Science, Materials Science. Karlstad University, Faculty of Technology and Science, Department of Mechanical and Materials Engineering.
    Simulation and evaluation of thermal fatigue cracking of hot work tool steels2004In: International Journal of Fatigue, Volume 26, Number 10, 2004Article in journal (Refereed)
  • 496. Persson, A
    et al.
    Hogmark, S
    Bergström, Jens
    Karlstad University, Faculty of Technology and Science, Materials Science. Karlstad University, Faculty of Technology and Science, Department of Mechanical and Materials Engineering.
    Temperature profiles and conditions for thermal fatigue cracking in brass die casting dies2004In: Journal of Materials Processing Technology, v 152, n2, 2004Article in journal (Refereed)
  • 497. Persson, A
    et al.
    Hogmark, S
    Bergström, Jens
    Karlstad University, Faculty of Technology and Science, Materials Science. Karlstad University, Faculty of Technology and Science, Department of Mechanical and Materials Engineering.
    Thermal fatigue cracking of surface engineered hot work tool steels2005In: Surface and Coatings Technology, volume 191, Issues 2-3, 21 February 2005Article in journal (Refereed)
  • 498. Persson, T.
    et al.
    Järnström, Lars
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Paper Surface Centre. Karlstad University, Faculty of Technology and Science, Department of Chemical Engineering. Karlstad University, Faculty of Technology and Science, Materials Science.
    Rigdahl, M.
    Effect of Method of Preparation of Coating Colours on the Rheological Behaviour and Properties of Coating Layers and Coated Papers1995In: Proc. 1995 Coating Fundamentals Symp., Dallas, 1995, p. 101, 1995Chapter in book (Refereed)
  • 499. Persson, T.
    et al.
    Järnström, Lars
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Paper Surface Centre. Karlstad University, Faculty of Technology and Science, Department of Chemical Engineering. Karlstad University, Faculty of Technology and Science, Materials Science.
    Rigdahl, M.
    Effect of Method of Preparation of Coating Colours on the Rheological Behaviour and Properties of Coating Layers and Coated Papers1997In: Tappi J.,80,107(1997)Article in journal (Refereed)
  • 500. Persson, T.
    et al.
    Järnström, Lars
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Paper Surface Centre. Karlstad University, Faculty of Technology and Science, Department of Chemical Engineering. Karlstad University, Faculty of Technology and Science, Materials Science.
    Rigdahl, M.
    Effect of Method of Preparation of Coating Colours on the Rheological Behaviour and Properties of Coating Layers and Coated Papers1995Conference paper (Refereed)
78910111213 451 - 500 of 634
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