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The computer modelling and the chemical kinetics of the rate of cure of epoxy resins / I. P. Aspin in SURFACE COATINGS INTERNATIONAL, Vol. 81, N° 2 (02/1998)

[article]  inSURFACE COATINGS INTERNATIONAL > Vol. 81, N° 2 (02/1998) . - p. 68-71 Titre : The computer modelling and the chemical kinetics of the rate of cure of epoxy resins Type de document : texte imprimé Auteurs : I. P. Aspin, Auteur ; I. Hamerton, Auteur ; B. J. Howlin ; J. R. Jones, Auteur ; M. J. Parker, Auteur Année de publication : 1998 Article en page(s) : p. 68-71 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Résumé : An important factor in the cure of epoxy resins is a knowledge of their rates of reaction. By a combination of chemical kinetics and computer modelling, actual rates of reaction can be determined for many epoxy systems. These rates con be used bath to guide cure cycles and shelf life and also to idesigni and tailor epoxies for specific uses. New research on the applications of this technique to several epoxy systems are described. Note de contenu : - GENERAL EXPERIMENTAL DETAILS : Labelling of amines - Radio-high performance liquid chromatography (HPLC) - Gel permeation chromatography (GPC) - Kinetic analysis - MODEL 1 : (Monoamines and monoepoxides) - MODEL 2 : (Diamines and monoepoxides) - MODEL 3 : (Diamines and diepoxydes) Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=16467 [article]

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An epoxy novolac emulsion system for ambient cure protective coatings / D. H. Klein in SURFACE COATINGS INTERNATIONAL, Vol. 81, N° 2 (02/1998)

[article]  inSURFACE COATINGS INTERNATIONAL > Vol. 81, N° 2 (02/1998) . - p. 72-76 Titre : An epoxy novolac emulsion system for ambient cure protective coatings Type de document : texte imprimé Auteurs : D. H. Klein, Auteur ; K. C. Jörg, Auteur Année de publication : 1998 Article en page(s) : p. 72-76 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Résumé : Water-borne two-pack coatings based on a novel low particle size epoxy novolac emulsion, crosslinked with polycycloaliphatic polyamine provide a good balance of several properties. Because the films cured possess a high crosslink density of cross linkage, expectations such as rapid through film drying time, high hardness development at an early stage during cure, very good film formation at 10°C and 80% R.H., and chemical resistance can be met. However, there are also adverse aspects to consider regarding the combination of a water-insoluble hydrophobic polyamine and a modified epoxy novolac emulsion. eg no visible end of pot life, relative short pot life and a brittleness of coatings associated with a tendency to peeling when exposed to salt spray and humid conditions. Note de contenu : - EPOXY NOVOLAC EMULSION CHEMISTRY - EPOXY RESIN EMULSIFICATION : Curing agent - Coating formulation - Pot life - Drying - WATER RESISTANCE OF CLEAR COATS - CHEMICAL RESISTANCE - PIGMENTATION Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=16468 [article]

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The new colour index international of pigments and solvent dyes / A. Abel in SURFACE COATINGS INTERNATIONAL, Vol. 81, N° 2 (02/1998)

[article]  inSURFACE COATINGS INTERNATIONAL > Vol. 81, N° 2 (02/1998) . - p. 77-85 Titre : The new colour index international of pigments and solvent dyes Type de document : texte imprimé Auteurs : A. Abel, Auteur Année de publication : 1998 Article en page(s) : p. 77-85 Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Résumé : The success of this new edition and the future of the Colour Index will very much depend on pigment users. The help of the surface coatings industry is required to maintain the integrity of the information by checking that products being offered under Colour Index designations really are registered. There is no charge for registration, so if companies refuse to register their product and make the required declaration, it must be legitimate to question the authenticity of the products being offered. The Colour Index has always had to respond to the needs of its users, whether they are colorant manufacturers, colour users, researchers or increasingly legislators. The Society and the editorial committee recognise their responsibility to ensure the system is fully understood, indeed this paper is part of that recognition. However, the Colour Index depends on its users to ensure that companies have correctly registered their products, and that it is not being misused. This will ensure the continuation of the Colour Index for years to come, with obvious advantages for the whole industry. Note de contenu : - History of the colour index - Compiling the colour index - Why use colour index numbers ? - New development 1 : CD Rom - New development 2 : New pigment and solvent dye edition Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=16472 [article]

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Coatings powders : Current health and safety concerns / M. Cooke in SURFACE COATINGS INTERNATIONAL, Vol. 81, N° 2 (02/1998)

[article]  inSURFACE COATINGS INTERNATIONAL > Vol. 81, N° 2 (02/1998) . - p. 86-88 Titre : Coatings powders : Current health and safety concerns Type de document : texte imprimé Auteurs : M. Cooke, Auteur Année de publication : 1998 Article en page(s) : p. 86-88 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Note de contenu : - Coating powder types - Electro-static powder coating - Health effects from coating powders - Trimellitic anhydride ( TMA ) - Triglycidyl isocyanurate ( TGIC ) - Occupational exposure limits for TGIC - Guidance for users of TGIC-containing coating powders - Common problems Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=16473 [article]

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Mansonry protection with silanes, siloxanes and silicone resins / H. Mayer in SURFACE COATINGS INTERNATIONAL, Vol. 81, N° 2 (02/1998)

[article]  inSURFACE COATINGS INTERNATIONAL > Vol. 81, N° 2 (02/1998) . - p. 89-93 Titre : Mansonry protection with silanes, siloxanes and silicone resins Type de document : texte imprimé Auteurs : H. Mayer, Auteur Année de publication : 1998 Article en page(s) : p. 89-93 Langues : Anglais (eng) Tags : Bâtiment  Pierre  Maçonnerie  Conservation  Protection  Silicone  Silane  Siloxane  Essai  'Traitement  hydrofuge' Index. décimale : 667.9 Revêtements et enduits Note de contenu : - CHEMISTRY OF SILICONE MANSONRY WATER REPELLENTS : Silicones - Silicone mansonry water repellents - Silanes and siloxanes - Silicone resins - APPLICATIONS : Silicone masonry water repellents for masonry paints - Binders - Additives - Primers - Water repellents for masonry paints - Silicone masonry water repellents for construction chemicals - Water repellents for fair-faced masonry - Stone strengtheners - Oil repellents - Damp-proofing agents - Silicone masonry water repellents as construction materials - Gypsum construction materials - Low fired ceramic produts - Hydrothermally hardened construction materials - Mineral fibre construction materials and loose mineral material - Finishing stuccos and construction material mixes containing cement and/or lime Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=16474 [article]

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