51 résultat(s) recherche sur le tag 'Dispersion'

Theoretical study of the scattering efficiency of rutile titanium dioxide pigments as a function of their spatial dispersion / Jean-Claude Auger in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 6, N° 1 (03/2009)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 6, N° 1 (03/2009) . - p. 89-97 Titre : Theoretical study of the scattering efficiency of rutile titanium dioxide pigments as a function of their spatial dispersion Type de document : texte imprimé Auteurs : Jean-Claude Auger, Auteur ; Brian Stout, Auteur ; Vincent Arnaud Martinez, Auteur Année de publication : 2009 Article en page(s) : p. 89-97 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Dioxyde de titane Dispersions et suspensions Pigments -- Propriétés optiques Revêtements Tags : Optical  property  Opacity  Rutile  titanium  dioxide  pigment  Dependent  scattering  Multiple  Spatial  dispersion  T-matrix  formalism Index. décimale : 667.9 Revêtements et enduits Résumé : We propose an original theoretical framework to model the scattering efficiency of white paint films as a function of the volume fraction and spatial state of dispersion of rutile titanium dioxide pigments, taking into account electromagnetic couplings. Numerical calculations are performed using a multiple T matrix formalism on an “elemental” volume extracted from the bulk of the paint and which we model as pigments and fillers in a polymer matrix. Qualitative studies show that, due to the dependent scattering phenomenon, the size of fillers can modulate the magnitude of loss in scattering efficiency by modifying the spatial state of dispersion of the pigments in the polymer matrix. In particular, fillers whose size is comparable to the dimension of the pigments improve the scattering efficiency by impeding crowding. It is also shown that the optical properties of the bulk material at arbitrary concentration can be approximated by extrapolating the optical properties calculated on a limited number of scatterers. DOI : 10.1007/s11998-008-9116-6 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-008-9116-6.pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=4877 [article]

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Comparison of methods to assess pigment dispersion / Sang T. Van in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 73, N° 923 (12/2001)

[article]  inJOURNAL OF COATINGS TECHNOLOGY (JCT) > Vol. 73, N° 923 (12/2001) . - p. 61-70 Titre : Comparison of methods to assess pigment dispersion Type de document : texte imprimé Auteurs : Sang T. Van, Auteur ; Bhaskar V. Velamakanni, Auteur ; Ronald R. Adkins, Auteur Année de publication : 2001 Article en page(s) : p. 61-70 Note générale : Bibliogr. Langues : Américain (ame) Tags : Etude  expérimentale  Distribution  dimension  particule  Propriété  rhéologique  Opacité  Contraste  Brillant  optique  Broyeur  rouleau  comparative  Méthode  mesure  Dispersion  Pigment  Broyage  Fabrication  Encre Index. décimale : 667.9 Revêtements et enduits Résumé : Two inks made with different red pigments were evaluated by common methods to assess the degree of pigment dispersion. One pigment is more difficult to disperse than the other in the vehicle used. The five methods that could detect changes in dispersion with each pass over a three-roll mill were a light scattering particle size distribution analyzer, a NPIRI fineness of grind gauge, gloss, contrast ratio measurements, and rheology. The gloss and contrast ratio measurements could detect changes with each pass over a three-roll mill only with a significant reduction in pigment particle size. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=5772 [article]

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Dispersion of pigments : wetting and stabilization, important parameters / A. B. Karnik in PAINTINDIA, Vol. LI, N° 2 (suppl.) (02/2001)

[article]  inPAINTINDIA > Vol. LI, N° 2 (suppl.) (02/2001) . - p. 91-93 Titre : Dispersion of pigments : wetting and stabilization, important parameters Type de document : texte imprimé Auteurs : A. B. Karnik, Auteur Année de publication : 2001 Article en page(s) : p. 91-93 Note générale : Bibliogr. Langues : Anglais (eng) Tags : Peinture  Fabrication  Pigment  Dispersion  Mouillage  Stabilisation  Broyage  Solvant  Adjuvant  'Agent  surface' Index. décimale : 667.9 Revêtements et enduits Résumé : In paint making, pigment dispersion is an important part. Dispersion of pigment can be considered as three main precesses being carried out simultaneously. They are mainly : - Size Reduction - Pigment Wetting - Dispersion Stabilization Today modern dispersing equipments are very much advanced and efficient to get effective size reduction in the lowest possible time. These newer high-energy mills are now slowly replacing conventional ball mills and, to some extent, conventional and mills. THough these modern dispersing equipments are taking care of the size reduction, the wetting and dispersion stabilization is still being handled in a conventional way. Due to the development of newer resins and paint systems in the field of coating technology, wetting and stabilization is getting more and more challenging Note de contenu : - What is pigment wetting ? - Stabilization - Steric stabization - An important role of solvents - Role of the surfactant Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=12505 [article]

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Dispersion : The current scenario / C. J. Bhumkar in PAINTINDIA, PAINTINDIA '98 (01/1998)

[article]  inPAINTINDIA > PAINTINDIA '98 (01/1998) . - p. 103-110 Titre : Dispersion : The current scenario Type de document : texte imprimé Auteurs : C. J. Bhumkar, Auteur Année de publication : 1998 Article en page(s) : p. 103-110 Note générale : Bibliogr. Langues : Anglais (eng) Tags : Peinture  Fabrication  Broyage  Pigment  'Matière  charge'  Dispersion Index. décimale : 667.9 Revêtements et enduits Note de contenu : - Paints - Ideal dispersion - Raw materials : pigments and extenders - Surfactants - Engineering Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=13105 [article]

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Visiovis : monitoring nanofiller dispersion/distribution in molten polymers / Antonella Esposito in JEC COMPOSITES MAGAZINE, N° 41 (06/2008)

[article]  inJEC COMPOSITES MAGAZINE > N° 41 (06/2008) . - p. 67-71 Titre : Visiovis : monitoring nanofiller dispersion/distribution in molten polymers Type de document : texte imprimé Auteurs : Antonella Esposito, Auteur ; Jean Balcaen, Auteur ; Jannick Duchet-Rumeau, Auteur ; Jean-Yves Charmeau, Auteur Année de publication : 2008 Article en page(s) : p. 67-71 Note générale : Bibliogr. Langues : Anglais (eng) Tags : 'Matériau  composite'  'Etude  expérimentale'  'Appareil  mesure'  Fluorescence  'Degré  dispersion'  Argile  renforcé'  Dispersion  Nanocomposite  Polymère  'Etat  fondu'  Monitorage Index. décimale : 668.4 Plastiques, vinyles Résumé : The intimate mixture of nanofillers and polymers leads to an extraordinarily extended interface. However, the greatest advantage of nanocomposites becomes the main driving force for filler aggregation. This is unfortunate, as the ability to disperse nanofillers in polymers is a strict requisite for any profitable commercialization of nanocomposites. Note de contenu : - Polymer-clay nanocomposites - Visiovis - Some early results Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=14124 [article]

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Aluminum pigments : dispersion technique / P. C. Tan in PAINTINDIA, ANNUAL 1999 (04/1998)

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Aspects of pigment dispersion - A review / Pramod Raman Natuvetty in PAINTINDIA, Vol. XLIX, N° 6 (06/1999)

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Associative polymer/latex dispersion phase diagrams. II : HASE thickeners / Edward Kostansek in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 2, N° 6 (04/2005)  

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Deep black and bluish about the dispersion and stabilisation of fine particle sized carbon blacks / Peter Stroch in PAINTINDIA, ANNUAL 1999 (04/1998)

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Influence de la dispersion sur le comportement rhéologique de nanocomposites polypropylène/argile / W. Lertwimolnun in RHEOLOGIE, Vol. 5 (06/2004)  

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Modeling of agglomerate dispersion in single screw extruders / N. Domingues in INTERNATIONAL POLYMER PROCESSING, Vol. XXV, N° 3 (07/2010)  

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Multifunctional additive / Simon Poulton in EUROPEAN COATINGS JOURNAL (ECJ), N° 7-8/01 (07-08/2001)  

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Pigment dispersion : II / Zeno W. Wicks in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 73, N° 922 (11/2001)

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Pigment dispersion : III / Zeno W. Wicks in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 73, N° 923 (12/2001)

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The dispersion process and titanium dioxide pigments / John G. Balfour in SURFACE COATINGS INTERNATIONAL, Vol. 79, N° 8 (08/1996)

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Using dispersion/flocculation phase diagrams to visualize interactions of associative polymers, latexes, and surfactants / Edward Kostansek in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 75, N° 940 (05/2003)

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Elucidation of polyurethane dispersions in a batch rotor-stator mixer / Supathorn Phongikaroon in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 1, N° 4 (10/2004)  

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Numerical simulation of flows in beadless disperser by finite difference lattice Boltzmann method / X. F. Zhang in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 4, N° 1 (03/2007)  

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Aluminium pigments developments for printing inks / B. Seath in SURFACE COATINGS INTERNATIONAL, Vol. 82, N° 9 (09/1999)

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Colloid chemistry, Part IV : Pigment suspension / Vladimir V. Verkholantsev in EUROPEAN COATINGS JOURNAL (ECJ), N° 7-8/97 (07-08/1997)

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La coloration des matières... et les pigments de phthalocyanine de cuivre / Reiner Hess in PLASTIQUES & ELASTOMERES MAGAZINE, N° 56-5 (06-07/2004)

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Epaississants synthétiques / Alex Zogu in L'INDUSTRIE TEXTILE, N° 1326 (12/2000)

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Exploring new horizons in paint manufacturing / Aniruddha G. Soman in PAINTINDIA, Vol. XLV, N° 8 (08/1995)

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Factors influencing the suspending characteristics of wax coated silicas in paint and lacquer formulations / Derek Aldcroft in PAINTINDIA, Vol. XLV, N° 1 (05/1995)

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Gaining pearlescent effects in printing inks / Kurt Beale in PAINTINDIA, Vol. XLVIII, N° 7 (07/1998)

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Meeting the colour delivery challenge / J. A. Graystone in SURFACE COATINGS INTERNATIONAL, Vol. 81, N° 1 (01/1998)

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Meeting the colour delivery challenge / J. A. Graystone in SURFACE COATINGS INTERNATIONAL, Vol. 80, N° 11 (11/1997)

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Polymeric surfactants and their use in industrial applications / A. Bouvy in PAINTINDIA, Vol. XLVIII, N° 3 (03/1998)

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Principles of TiO2 product selection : Pigments and dispersions / Robert M. Hopkins in PAINTINDIA, Vol. XLIX, N° 6 (06/1999)

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Cutting the crosslinker in EUROPEAN COATINGS JOURNAL (ECJ), N° 06/2010 (06/2010)  

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Mass transport mechanism for the formation of latex-modified epoxy coatings by evaporation from aqueous dispersions / Sidney L. Phillips in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 1, N° 4 (10/2004)  

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Microstructure of weathered paint and its relation to gloss loss : computer simulation and modeling / Fern Y. Hunt in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 70, N° 880 (05/1998)

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UV curing of aqueous polyurethane acrylate dispersions. A comparative study by real-time FTIR spectroscopy and pilot scale curing / Armin Tauber in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 72, N° 911 (12/2000)

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Modern pigment preparations - "Out-of-the-box" formulations / Lutz Frischmann in PAINTINDIA, Vol. LXIV, N° 2 (02/2014)  

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Améliorer le PVC avec des charges minérales / Richard Thommeret in PLASTIQUES & ELASTOMERES MAGAZINE, N° 55-8 (11/2003)

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Analytical investigations on acrylic polyurethane hybrid - dispersions / H. Kagerer in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 74, N° 927 (04/2002)

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A contribution to VOC abatement and waste management : redispersible powder paints / Horst Baumgartl in SURFACE COATINGS INTERNATIONAL, Vol. 78, N° 4 (04/1995)

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Efficient manufacture of solvent-based and water-based industrial coatings by means of resin minimal pigment concentrates / Peter Quednau in PAINTINDIA, Vol. XLV, N° 1 (05/1995)

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Films formed from polystyrene latex/clay composites : A fluorescence study / Saziye Ugur in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 2, N° 7 (07/2005)  

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Improving pigment dispersing in powder coatings with block copolymer dispersants / Francis L. Duivencoorde in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 72, N° 909 (10/2000)

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Media milling with high power density / Norbert Stehr in EUROPEAN COATINGS JOURNAL (ECJ), N° 7-8/01 (07-08/2001)  

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New controlling processes in SMC applications / Jean-Claude Padoy in JEC COMPOSITES MAGAZINE, N° 12 (10-11/2004)

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Oil-dispersed waxes for printing inks / D. A. Samson in SURFACE COATINGS INTERNATIONAL, Vol. 82, N° 6 (06/1999)

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Organic oligomers in aqueous environments / J. David Nordstrom in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 1, N° 2 (04/2004)  

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Properties of powder coatings in load carrying construction / Daniel Stahlberg in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 2, N° 6 (04/2005)  

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Seed oil based polyester polyols for coatings / John Argyropoulos in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 6, N° 4 (12/2009)  

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Tailoring HASE rheology through polymer design : Effects of hydrophobe size, acid content, and molecular weight / Wenjun Wu in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 2, N° 6 (04/2005)  

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The reengineering of wetting and dispersing / Edward W. Orr in EUROPEAN COATINGS JOURNAL (ECJ), N° 11/96 (11/1996)

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Tinting of paints and coatings for façades / Francesco Veronese in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 199, N° 4540 (09/2009)  

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UV-PUDs for topcoats / Xavier Deruyttere in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 199, N° 4537 (06/2009)  

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Waterborne epoxy protective coatings for metal / F. L. Duivenvoorde in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 74, N° 931 (08/2002)

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