Low voc, low viscosity uv cationic radiation-cured ink-jet ink system / H. Zhang in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 72, N° 905 (06/2000)

[article]  inJOURNAL OF COATINGS TECHNOLOGY (JCT) > Vol. 72, N° 905 (06/2000) . - p. 45-52 Titre : Low voc, low viscosity uv cationic radiation-cured ink-jet ink system Type de document : texte imprimé Auteurs : H. Zhang, Auteur ; J. T. K. Woo, Auteur ; John L. Massingill, Auteur Année de publication : 2000 Article en page(s) : p. 45-52 Note générale : Bibliogr. Langues : Américain (ame) Index. décimale : 667.9 Revêtements et enduits Résumé : Ink-jet inks need to be very low in viscosity to transport the ink through the jet nozzle as well as for drop formation and integrity. The objective of this project was to demonstrate UV-cured systems for ink-jet inks and coatings with zero volatile organic compounds and very low viscosity. Cycloaliphatic epoxy systems were selected as binders of choice for this project due to their low viscosity and ability to be cured using UV-cationic photoinitiators. UV-curable coatings and inks with zero VOC and less than 10 cPs viscosities were formulated using exempt solvent acetone and vinyl cyclohexene diepoxide. UV-curable inks with up to 10% black dye were formulated. Rapid cure was achieved through the use of aryl sulfonium salts of hexafluorophosphoric acid. The presence of dye inhibited the reaction, but adequate cure of dyed formulations was achieved by increasing the concentration of the photoinitiator. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=5800 [article]

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Natural and synthetic clay-filled coatings for insulation barrier applications / Roy T. Fox in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 13, N° 1 (01/2016)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 13, N° 1 (01/2016) . - p. 181-189 Titre : Natural and synthetic clay-filled coatings for insulation barrier applications Type de document : texte imprimé Auteurs : Roy T. Fox, Auteur ; H. Zhang, Auteur ; M. A. Barger, Auteur ; C. Han, Auteur ; M. Paquette, Auteur Année de publication : 2016 Article en page(s) : p. 181-189 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Argile Caractérisation Charges (matériaux) Latex Matériaux -- Propriétés barrières Polyuréthanes Revêtements protecteurs Smectite Index. décimale : 667.9 Revêtements et enduits Résumé : Hybrid organic/inorganic coatings provide effective barriers to gas transmission and therefore find utility in a variety of application areas, including surface treatment of foams for thermal insulation purposes. Blends of aqueous latexes with select smectite clays are particularly attractive, in that the efficient formation of layered interconnecting networks occurs upon drying. The plate-like structure of clays enables this behavior at relatively low volumetric content of inorganic material. A variety of both natural and synthetically derived high purity clays are evaluated for their ability to form low permeability films, with effects of loading, aspect ratio, and refinement technique described. Note de contenu : - EXPERIMENTAL : Materials - Coating characterization - DISCUSSION : Clay types - Clay loadings - Refinement technique - Polymeric coating carrier DOI : 10.1007/s11998-015-9726-8 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-015-9726-8.pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=25387 [article]

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Preparation and characterization of acrylic resin/protein composite crosslinked films / X. H. Qiang in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 11, N° 6 (11/2014)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 11, N° 6 (11/2014) . - p. 923-931 Titre : Preparation and characterization of acrylic resin/protein composite crosslinked films Type de document : texte imprimé Auteurs : X. H. Qiang, Auteur ; Q. Xue, Auteur ; H. Zhang, Auteur ; Z. Yan, Auteur ; M. Li, Auteur ; W. Xu, Auteur ; Y. J. Wang, Auteur Année de publication : 2014 Article en page(s) : p. 923-931 Note générale : Bibliogr. Langues : Américain (ame) 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. Couches minces Polyacryliques Protéines Revêtements -- Propriétés chimiques:Peinture -- Propriétés chimiques Revêtements -- Propriétés mécaniques:Peinture -- Propriétés mécaniques Traction (mécanique) Index. décimale : 667.9 Revêtements et enduits Résumé : A series of ambient self-crosslinkable acrylic resin/protein composite emulsions (PA–Ps) were prepared by copolymerizing the functional monomer acetyl acetylethyl methacrylate (AAEM) with methyl acrylate, butyl acrylate and acrylic acid, and then protein crosslinking agents such as gelatin and casein were also added. The PA–P films were characterized by Fourier transform IR spectroscopy, contact angles, differential scanning calorimeter, thermogravimetric analysis, antisolvent testing and physicomechanical testing. Influences of AAEM and protein dosages on properties of composite films were examined in detail. The results indicate that influences of AAEM and protein on PA–P films are diverse on solvent resistance, physicomechanical properties and thermal properties. With enhancement of AAEM and protein dosages, hardness, solvent resistance to tetrahydrofuran and glass transition temperature (Tg) of PA–P films are markedly enhanced, but the decomposing temperatures (Td) are decreased. Tensile strengths are evidently reinforced while elongations at break are lessened. Suitable AAEM and protein dosages could render PA–P films with good water resistance. Note de contenu : - EXPERIMENTAL : Materials - Synthesis of acrylic resin/protein composite crosslinked films - Characterization and performance tests of acrylic resin/protein composite films - RESULTS AND DISCUSSIONS : Mechanism ans characterization of crosslinking - Hardness, appearance and tackiness of the film - Water absorption rate - Solvent resistance - Mechanical properties - Thermal properties of the prepared films DOI : 10.1007/s11998-014-9599-2 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-014-9599-2.pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=22315 [article]

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