Rheokinetic modelling / M. Aguirre in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 199, N° 4541 (10/2009)  

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 199, N° 4541 (10/2009) . - p. 26-27 Titre : Rheokinetic modelling : The rheokinetic modelling of fusion bonded epoxy powder coatings at standard and low application temperature Type de document : texte imprimé Auteurs : M. Aguirre, Auteur Année de publication : 2009 Article en page(s) : p. 26-27 Langues : Anglais (eng) Catégories : Cinétique chimique Epoxydes Revêtements poudre:Peinture poudre Rhéologie Index. décimale : 667.6 Peintures Résumé : Currently, there is a strong interest in designing FBE formulations for high tensile strength steel pipelines as they require FBE coatings to be applied at 40-60°C lower than the typical 240°C application temperature used to coat conventional steel pipelines for more than 40 years. At commercial production rates the curing time is 2-3min, and at these lower temperatures (as low as 180°C), standard FBE coatings do not develop the properties required to provide effective protection. In order to minimise the time to develop an optimum FBE formulation for low application temperature we explored the use of mathematical models as scale up tools. In this approach, date is collected from commonly available lab scale setups and then used to predict the FBE's behaviour under actual industrial application conditions. En ligne : https://drive.google.com/file/d/1JxLeDUqHv-7FUd1RrLY_IKw0PL1KSem1/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=6300 [article]

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Rotational moulding and powder processing of natural fibre reinforced thermoplastics / F. G. Torres in INTERNATIONAL POLYMER PROCESSING, Vol. XVIII, N° 2 (06/2003)  

[article]  inINTERNATIONAL POLYMER PROCESSING > Vol. XVIII, N° 2 (06/2003) . - p. 204-210 Titre : Rotational moulding and powder processing of natural fibre reinforced thermoplastics Type de document : texte imprimé Auteurs : F. G. Torres, Auteur ; M. Aguirre, Auteur Année de publication : 2003 Article en page(s) : p. 204-210 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 668.9 Polymères Résumé : The present paper describes the development of a new processing technology: rotational moulding of natural fibre reinforced thermoplastics. Different polymer-natural fibre and polymer-flour systems have been characterised. A rotomoulding grade of high density polyethylene has been used as the polymer matrix for the experiments. Fibres, including jute, sisal and cabuya, as well as wood, pecan and rice shell flour of different types have been used as reinforcements. The rotomoulding process for those composite systems has been studied using an in-house built two-axis rotomoulding rig with variable speed. The final products have been characterised with special emphasis on estimating the level of dispersion of the fibres and their degree of orientation, as well as the consolidation, sintering and bubble formation processes during the different stages. Comparisons have been made with other powder processing routes, involving the sintering of fibre (or flour) reinforced polymer particles including compression moulding. Morphological characterisation techniques have been adapted to determine the structure-property relationships in these materials at different processing stages. Important improvements in the compression strength of the natural fibre reinforced rotomoulded products compared to the unreinforced materials, accompanied of a good dispersion level of the reinforcing fibres have been reported. DOI : 10.3139/217.1736 En ligne : https://drive.google.com/file/d/1V5m0hXTowdGcpegAAm-yCRsUq5gjbs96/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3313 [article]

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Synthesising hybrid binders with nano-ceria for wood protection / M. Aguirre in SURFACE COATINGS INTERNATIONAL, Vol. 96, 1 (02/2013)  

[article]  inSURFACE COATINGS INTERNATIONAL > Vol. 96, 1 (02/2013) . - p. 38-43 Titre : Synthesising hybrid binders with nano-ceria for wood protection Type de document : texte imprimé Auteurs : M. Aguirre, Auteur ; Jose R. Leiza, Auteur ; M. Paulis, Auteur Année de publication : 2013 Article en page(s) : p. 38-43 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Bois -- Revêtements protecteurs Encapsulation Liants Miniémulsions Nanoparticules Oxyde de cérium Polymérisation en émulsion Index. décimale : 667.9 Revêtements et enduits Résumé : Wood has the potential to be a competitive and sustainable material. However, for outdoor use it is necessary to enhance its performance and long-term durability. The main problem is its high sensitivity to UV degradation. It is common knowledge that light affects wood, causing colour change and/or degradation of the surface. Note de contenu : - NANOPARTICLE ENCAPSULATION MINIMISE AGGREGATION - EXPERIMENTAL MATERIALS - CHARACTERISATION TECHNIQUES - PREPARATION OF THE MINIEMULSION - SYNTHESIS OF THE HYBRID EMULSION : First step : seed preparation by miniemulsion polymerisation - Second step : seeded demi-batch polymerisation - NANONPARTICLES SHOW GOOD COMPATIBILITY WITH MONOMER - HOW THE FINAL EMULSION SYNTHESIS DEVELOPED - MORPHOLOGY OF THE HYBRID EMULSION PARTICLES - MORPHOLOGY OF THE FILMS En ligne : https://drive.google.com/file/d/1NjywEb-RFg3bjFAtWE-2ohwoHZ-qsp6k/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=17573 [article]

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