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Formulation techniques using FEVE resins in waterborne and high solids coatings / Robert J. Parker in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 206, N° 4617 (02/2016)  

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 206, N° 4617 (02/2016) . - p. 18-22 Titre : Formulation techniques using FEVE resins in waterborne and high solids coatings Type de document : texte imprimé Auteurs : Robert J. Parker, Auteur ; Kristen L. Blankenship, Auteur Année de publication : 2016 Article en page(s) : p. 18-22 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Agents dispersants (chimie) Copolymère fluoroéthylène-vinyléther Essais accélérés (technologie) Haut extrait sec Polyacryliques Polyesters Polyols Résistance chimique Revêtements en phase aqueuse:Peinture en phase aqueuse Index. décimale : 667.9 Revêtements et enduits Résumé : Fluorinated resins are known for high performance, particularly in long term, exterior durability. Fluoroethylene vinyl ether or FEVE resins, a family of fluorinated resins, have a unique alternating copolymer structure allowing them to be dissolved in solvent, as well as emulsified in water for formulating liquid coatings. As environmental initiatives are becoming less compulsory and industry is taking proactive measures to protect the environment, waterborne and high solids paint is ever increasing in demand. Studies encompass both 1K and 2K formulations and focus on dispersant type, coalescing agents and methods of altering gloss. Results of the many tests that measure critical properties of high performance coatings will be presented. Testing includes water resistance, chemical resistance, vapeur permeability, solar reflectance properties and mould resistance along with corrosion resistance and accelerated weathering. Formulations based on blends of FEVE resins with other polyols, like acrylic polyols and polyester polyols will also be explored. Note de contenu : - FEVE resin technology - FEVE resin in environmentally friendly coatings - Formulating water-based coatings with FEVE coatings - Formulating high solids coatings with FEVE resins - FEVE resins for chemical resistance - FIGURES : 1. Alternating structure of FEVE resins - 2. Typical properties of FEVE resins - 3. QUV exposure of an FEVE-based coating - 4. EMMAQUA exposure of an FEVE-based coating - 5. South Florida exposure of an FEVE-based coating - 6. Xenon arc exposure of water-based FEVE coatings - 7. Water-based white formulation based on FEVE dispersion resin - 8. Results of dispersant study - 9. MFFT on high Tg FEVE resin with various coalescing aids - 10. MFFT of high Tg FEVE resin with various coalescing aids - 11. Water absorption testing - 12. QUV-A weathering of FEVE/acrylic blend water-based cool roof coating - 13. QUV-A weathering of high solids FEVE coating with KFLEX - 14. QUV-A weathering of high solids FEVE coating with KFLEX - 15. Chemical resistance of FEVE resins En ligne : https://drive.google.com/file/d/1lWf_sAJw5YCQrTpdIdXt0gWoivJ06Ha4/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=25569 [article]

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Synthesis and characterisation of acrylate-dibutyl fumarat polymer emulsion / Tingting Xu in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 206, N° 4617 (02/2016)  

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 206, N° 4617 (02/2016) . - p. 24-27 Titre : Synthesis and characterisation of acrylate-dibutyl fumarat polymer emulsion Type de document : texte imprimé Auteurs : Tingting Xu, Auteur ; Zhongbin Bao, Auteur ; Cuifeng Zhang, Auteur ; Lijun Chen, Auteur Année de publication : 2016 Article en page(s) : p. 24-27 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Acrylates Les monomères acrylates sont un groupe d'esters faisant partie des vinyles, car renfermant une double liaison carbone-carbone et sont utilisés pour former des polyacryliques qui ont de multiples usages. Angle de contact Caractérisation Copolymères -- Synthèse Emulsifiants Fluoropolymères Fumarate de dibutyle Humidité -- Absorption:Eau -- Absorption Polymères en émulsion Silicones Les silicones, ou polysiloxanes, sont des composés inorganiques formés d'une chaine silicium-oxygène (...-Si-O-Si-O-Si-O-...) sur laquelle des groupes se fixent, sur les atomes de silicium. Certains groupes organiques peuvent être utilisés pour relier entre elles plusieurs de ces chaines (...-Si-O-...). Le type le plus courant est le poly(diméthylsiloxane) linéaire ou PDMS. Le second groupe en importance de matériaux en silicone est celui des résines de silicone, formées par des oligosiloxanes ramifiés ou en forme de cage (wiki). Index. décimale : 667.9 Revêtements et enduits Résumé : The fluorine-silicone modified acrylate-dibutyl fumarate emulsions were successfully prepared via semi-continuous seed emulsion polymerisation technology when MMA, DBF, VTES and HFMA were used to be the co-polymerised monomers and the mixture of SDBS and APG and KPS were used as the emulsifier and the initiator, respectively. The optimum recipe of preparing the emulsion is as follows : the amount of emulsifiers is 5% and the mass ratio of SDBS and APG is 1:4 ; the amount of initiator is 0.6% and the content of the fluorine monomer and silicon monomer is 6% and 8%, respectively. In comparison with the acrylate-dibutyl fumarate emulsion without fluorine monomer and silicon monomer, the thermal stability and the water resistance of the modified emulsion film are clearly improved. Note de contenu : - EXPERIMENTAL : Materials - Preparation of emulsion and its film - Characterisations - RESULTS AND DISCUSSION : FTIR and DSC analyses of the film - Influence of amount of emulsifier on properties of emulsion - Influence of amount of initiator on conversion percentage and coagulation percentage - Contact angle and water absorption of film - SCHEME : Synthesis pathway of modified acrylic latex - TABLES : 1. Basic recipe and conditions for preparing emulsion - 2. Influence of amount of emulsifier on properties of emulsion - 3. Influence of different mass ratio of emulsifier on properties of emulsion - 4. Effect of different mass ratios of monomers on properties of emulsion - FIGURES : 1. FTIR of fim - 2. DSC analysis of film - 3. Influence of initiator on conversion percentage and coagulation percentage - 4. Influence of amount of fluorine and silicon monomer on water absorption - 5. Contact angle of films - 6. TGA of film En ligne : https://drive.google.com/file/d/1_sqT9QrsIzmCtJRZ2fe73kBiuYJhhoaH/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=25570 [article]

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Systems for indoor and outdoor applications offer improved scratch resistance / Dietmar Fink in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 206, N° 4617 (02/2016)  

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 206, N° 4617 (02/2016) . - p. 28-30 Titre : Systems for indoor and outdoor applications offer improved scratch resistance Type de document : texte imprimé Auteurs : Dietmar Fink, Auteur ; Cal EzeAgu, Auteur Année de publication : 2016 Article en page(s) : p. 28-30 Langues : Anglais (eng) Catégories : Brillance (optique) Epoxydes Essais dynamiques Polyesters Résistance à l'abrasion Revêtements poudre:Peinture poudre Index. décimale : 667.9 Revêtements et enduits Résumé : Powder coating systems have been developed to provide scratch modified and super durable coatings that maintain gloss levels following stringent testing. The definition of scratch resistance according to DIN describes the resistance of paint films under defined conditions towards point-like, linear or two-dimensional loads. Checking the quality of the adhesion of paints is a special metrological challenge, that's why a large number of specific procedures exist in the audit practice. To determine the scratch resistance, the standards DIN EN ISO 1518 parts 1 & 2 and DIN EN ISO 12137 are particularly suitable. Note de contenu : - MATERIAL-RELATED PHYSICAL ASPECTS OF SCRATCH RESISTANCE : Sratch resistance - SELECTION OF METHODS TO TEST SCRATCH RESISTANCE : Crockmaster mar test (Crockmeter) - Sheen macro scratch test - Revetest micro scratch test - UNMET NEED IN THE POWDER COATING MARKET : To improve the scratch resistance of polyesters for furniture and for architectural applications - MORE DETAILS ON APPLIED SCRATCH RESISTANCE TEST METHODS : test results for indoor COOH-polyester - epoxy hybrid powder system - Test results for outdoor COOH-polyester - HAA or TGIC powder systems - Test results for outdoor COOH-polyester - HAA or TGIC super durable powder systems En ligne : https://drive.google.com/file/d/1zMSvjPkqOY_B8nnB2L73E4Ou17XLXjUu/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=25571 [article]

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Fluorescent pigments and their diverse applications / Darren Bianchi in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 206, N° 4617 (02/2016)  

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 206, N° 4617 (02/2016) . - p. 36-37 Titre : Fluorescent pigments and their diverse applications Type de document : texte imprimé Auteurs : Darren Bianchi, Auteur Année de publication : 2016 Article en page(s) : p. 36-37 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Fluorescence Pigments -- Aspect de l'environnement Pigments à effets spéciaux Procédés de fabrication Qualité -- Contrôle Index. décimale : 667.2 Colorants et pigments Résumé : The use of fluorescent pigments and colourants in a broad range of applications has experienced sustained growth over the past few decades. Research and development efforts continue in the pursuit of more thermally stable, more light fast and plate-out resistant fluorescent colourants, with greater tinting strength and opacity. As these qualities are achieved and improved upon, we should see the use and growth of fluorescent pigments and colourants into more diverse applications well into the future. Note de contenu : - Nature of fluorescent pigments - Manufacturing processes - Environmental considerations - Quality control - Incorporation into paints inks and plastics - Processing challenges En ligne : https://drive.google.com/file/d/16vJ296evLFUSIQRae1y6ugtXjvIKCO81/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=25572 [article]

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Polymer Paint Colour Journal - PPCJ Vol. 206, N° 4617 URL