Comparison of bio-based epoxide-diamine coatings prepared with acyclic and cyclic aliphatic diamines / Ilknur Babahan-Bircan in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 20, N° 4 (07/2023)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 20, N° 4 (07/2023) . - p. 1435-1444 Titre : Comparison of bio-based epoxide-diamine coatings prepared with acyclic and cyclic aliphatic diamines Type de document : texte imprimé Auteurs : Ilknur Babahan-Bircan, Auteur ; Jomin Thomas, Auteur ; Mark D. Soucek, Auteur Année de publication : 2023 Article en page(s) : p. 1435-1444 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Bisphénol A Diamine Une diamine est un type de polyamine contenant exactement deux groupes amine. Les diamines sont principalement utilisées comme monomères pour synthétiser des polyamides, des polyimides et des polyurées. La principale diamine produite est le 1,6-diaminohexane, précurseur du Nylon 6-6, suivie de l'éthylènediamine1. L'hydrazine (H2NNH2) n'est en général pas considérée comme une diamine puisque ce n'est ni une amine (pas de carbone), ni une dibase. Epoxy amine Huile de tung L'huile de tung ou "huile de bois de Chin" ou encore "huile d'abrasin" est une huile de couleur jaune d'or, tirée des graines mûres d'un arbre de la famille des Aleurites (Aleurites moluccana - le noyer de bancoule - ou de Vernicia fordii selon les sources). Elle est employée notamment comme huile siccative en peinture ou comme traitement de surface du bois. (Wikipedia) Réactions chimiques Réticulants Revêtements -- Propriétés mécaniques Revêtements organiques Thermogravimétrie Index. décimale : 667.9 Revêtements et enduits Résumé : As replacements for bisphenol-A, new bio-based and reactive epoxy-amine coatings have been investigated in this study. Bio-based precursor, epoxy-functionalized tung oil (ETO) was synthesized using glycidyl methacrylate (GMA) and tung oil via a Diels–Alder reaction according to our previous work. The new ETO-diamine-cured systems were prepared with the equivalent molar ratio at room temperature. ETO was cured with acyclic aliphatic (Jeffamine D400) and cyclic aliphatic (Epicure 3300) amines, at four temperatures ranging from 25 to 150°C. The coatings were then compared in terms of their thermal and mechanical properties. The cured coatings were analyzed by IR, thermogravimetric analysis (TGA), and gel content tests. TGA analysis showed that the epoxide-diamine polymers demonstrated thermal stability up to 170°C. The mechanical properties of the films were investigated by pendulum hardness, pencil hardness, cross-hatch adhesion, pull-off adhesion, impact resistance, reverse resistance, and chemical resistance testing. While all the cured systems exhibited good pencil hardness, cross-hatch adhesion, impact resistance, and reverse resistance properties, the epoxide-acyclic diamine system demonstrated greater pendulum hardness and notable pull-off adhesion at 150°C. The research demonstrates the potential for greener and more reactive tung oil-based epoxide coatings with enhanced properties. Note de contenu : - EXPERIMENTAL : - Materials - Instruments - Synthesis of epoxy-functionalized tung oil (ETO) - Preparation of epoxide-diamine coatings - General coating properties - RESULTS AND DISCUSSION : - IR of epoxide-amine networks - Thermogravimetric analysis (TGA) of epoxide-amine networks - Gel content of the epoxide-amine networks - General coating properties of epoxide-amine networks - Table 1 : IR spectra of the epoxide-amine systems - Table 2 : TGA results for epoxide-Jeffamine systems - Table 3 : Gel content of coatings (%) - Table 4 : General coating properties of the epoxide-amine systems DOI : https://doi.org/10.1007/s11998-022-00756-1 En ligne : https://link.springer.com/content/pdf/10.1007/s11998-022-00756-1.pdf?pdf=button% [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=39727 [article]

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Control of functional site location for thermosetting latexes / Mark D. Soucek 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. 27-36 Titre : Control of functional site location for thermosetting latexes Type de document : texte imprimé Auteurs : Mark D. Soucek, Auteur ; E. Pedraza, Auteur Année de publication : 2009 Article en page(s) : p. 27-36 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Aminoplastes Copolymère acrylique mélamine Latex Rhéologie Thermodurcissables Viscoélasticité Index. décimale : 667.9 Revêtements et enduits Résumé : The location of hydroxyl functionality was investigated for thermosetting acrylic latexes. Large and small latex particles with and without hydroxyl functionality were also synthesized and characterized. Large and small latex particles with and without hydroxyl functionality were blended together, and the latexes were crosslinked. The location of hydroxyl groups in the small or large latex particles had an effect upon the thermomechanical properties and hence on the ultimate performance of the crosslinked latexes. The packing of the large and small latexes was dependent on small-to-large particle ratio, and in addition had an effect upon the speed of film formation. The higher concentration of hydroxyl groups in the small latex particles contributed more to the tensile properties of the latexes than the functionality of the large particles. DOI : 10.1007/s11998-008-9099-3 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-008-9099-3.pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=4842 [article]

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Cycloaliphatic epoxide crosslinkable core-Shell latexes / Mark D. Soucek in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 73, N° 921 (10/2001)

[article]  inJOURNAL OF COATINGS TECHNOLOGY (JCT) > Vol. 73, N° 921 (10/2001) . - p. 117-125 Titre : Cycloaliphatic epoxide crosslinkable core-Shell latexes : A new strategy for waterborne epoxide coatings Type de document : texte imprimé Auteurs : Mark D. Soucek, Auteur ; Ganghua Teng, Auteur ; Shoabing Wu, Auteur Année de publication : 2001 Article en page(s) : p. 117-125 Note générale : Bibliogr. Langues : Américain (ame) Tags : 'Matériau  revêtement'  'Peinture  phase  aqueuse'  émulsion'  Formulation  Liant  'Résine  époxyde'  'Polymère  réticulé'  Latex  'Polyméthacrylate  méthyle'  'Polyacrylate  butyle'  hydroxyéthyle'  'Acide  méthacrylique'  Préparation  'Etude  expérimentale'  'Particule  core  shell' Index. décimale : 667.9 Revêtements et enduits Résumé : New core-shell acrylic latexes designed for crosslinking with cycloaliphatic diepoxides were prepared. The core consisted of methyl methacrylate (MMA), butyl acrylate (BA), 2-hydroxyethyl methacrylate (HEMA), and the shell MMA, BA, and methacrylic acid (MAA). A strong acid acrylate was incorporated into the shell to catalyze the crosslinking reactions. The diepoxide crosslinker was introduced into the latex formulation via three methods: (1) added with the monomers during the polymerization of the latex, (2) added after the preparation of the latex in an organic solvent, and (3) added as a separate emulsion. The stability of epoxide was shown to be dependent on latex morphology, initiator system, and reaction conditions. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=5766 [article]

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Cycloaliphatic polyester based high solids polyurethane coatings / Hai Ni in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 74, N° 928 (05/2002)

[article]  inJOURNAL OF COATINGS TECHNOLOGY (JCT) > Vol. 74, N° 928 (05/2002) . - p. 49-56 Titre : Cycloaliphatic polyester based high solids polyurethane coatings : I. The effect of difunctional alcohols Type de document : texte imprimé Auteurs : Hai Ni, Auteur ; Jeremy L. Daum, Auteur ; Mark D. Soucek, Auteur ; William J. Simonsick, Auteur Année de publication : 2002 Article en page(s) : p. 49-56 Note générale : Bibliogr. Langues : Américain (ame) Tags : Etude  expérimentale  Viscoélasticité  Propriété  rhéologique  Résistance  traction  Ténacité  mécanique  Feuil  Préparation  Ester  polymère  Formulation  Uréthanne  Liant  Peinture  haute  teneur  solide  Matériau  revêtement Index. décimale : 667.9 Revêtements et enduits Résumé : High-solids polyesters were synthesized with two cycloaliphatic diacids, 1,4-cyclohexanedicarboxylic acid (1,4- HDA) and 1,3-cyclohexanedicarboxylic acid (1,3-CHDA), and with five diols, 1,4-cyclohexanedimethanol (CHDM), neopentyl glycol (NPG), hydroxypivalyl hydroxypivalate (HPHP), 2-butyl-2-ethyl-1,3-propanediol (BEPD), and 1,6-hexanediol (HD). The viscosity of the polyesters was dependent on the structures of diols. The viscosity of polyesters is lower with the diol HD, intermediate with BEPD and HPHP, and higher with the diols CHDM and NPG. The polyesters were crosslinked with hexamethylene diisocyanate isocyanurate (HDI isocyanurate) affording polyurethane coatings. The mechanical properties, tensile properties, fracture toughness, and viscoelastic properties were investigated for the polyurethane films with five different diols. The cyclohexyl structure of the CHDM provides the polyurethane with rigidity which is manifested in high tensile modulus, hardness, and fracture toughness. In contrast, the linear diol, 1,6-hexanediol provides polyurethane with very high flexibility, but these coatings suffer with respect to low hardness and tensile modulus. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=5649 [article]

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Effect of humidity on curing of alkoxysilane-functionalized alkyd coatings / Brittany Pellegrene in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 18, N° 6 (11/2021)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 18, N° 6 (11/2021) . - p. 1543-1555 Titre : Effect of humidity on curing of alkoxysilane-functionalized alkyd coatings Type de document : texte imprimé Auteurs : Brittany Pellegrene, Auteur ; Mark D. Soucek, Auteur Année de publication : 2021 Article en page(s) : p. 1543-1555 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Caractérisation Formation de film Formulation (Génie chimique) Humidité Polyalkoxysiloxane Polyalkydes Polymères -- Synthèse Revêtements -- Effets de l'humidité Revêtements -- Propriétés mécaniques Revêtements -- Propriétés thermiques Rhéologie Traction (mécanique) Transition vitreuse Viscosité Index. décimale : 667.9 Revêtements et enduits Résumé : The effect of relative humidity on the curing of alkoxysilane functional alkyds and reactive diluents was evaluated. Alkoxysilane functional alkyds and tung oil-based reactive diluents were synthesized and used as additives in varying amounts in alkyd coatings. Looking at modified alkyd versus modified reactive diluent allows for the comparison of the humidity effect on high and low molecular weight alkoxysilane functional additives. The coatings were cured at 25 and 75% relative humidity and evaluated for drying time, coating and tensile properties, and gel content. It was found that at higher humidity, the alkoxysilane-containing samples improved properties significantly when compared to the control alkyd. Note de contenu : EXPERIMENTAL : Materials - Instrumentation - Alkyd resin synthesis (LLOA) - Alkoxysilane-modified alkyd resin synthesis (ASLOA) - Alkoxysilane-modified tung oil (ASTO) synthesis - Viscosity measurements - Formulations and film preparation - Coating properties - Tensile testing - RESULTS : Synthesis and characterization - Film formation - Coatings properties - Tensile properties - Thermal properties - Gel content - Table 1 : Formulations with ASLOA - Table 2 : Formulations with ASTO - Table 3 : Drying times of samples cured in different relative humidity conditions - Table 4 : Coating properties of samples cured at 25 %RH - Table 5 : Coating properties of samples cured at 75 %RH - Table 6 : Glass transition temperature of the samples cured at varying relative humidity DOI : https://doi.org/10.1007/s11998-021-00494-w En ligne : https://link.springer.com/content/pdf/10.1007/s11998-021-00494-w.pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=36807 [article]

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Effect of siloxane functionalized caprolactone polyols on photocurable epoxy coatings / Shoabing Wu in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 70, N° 887 (12/1998)

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Environment-friendly UV-curable alkyd-based non-isocyanate urethanes / Ilknur Babahan-Bircan in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 19, N° 5 (09/2022)  

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Fracture toughness of inorganic-organic hybrid coatings / R. L. Ballard in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 73, N° 913 (02/2001)

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Hydrolytic stability of ternary and quaternary urethane end-capped oligoesters / Mark D. Soucek in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 16, N° 4 (07/2019)  

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Inorganic/organic nanocomposite coatings : The next step in coating performance / Mark D. Soucek in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 3, N° 2 (04/2006)  

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Interface-driven phase-separated coatings / E. Alyamac in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 11, N° 5 (09/2014)  

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Investigation of the properties of UV-curing acrylate-terminated unsaturated polyester coatings by utilizing an experimental design methodology / Ahmet Nebioglu in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 4, N° 4 (12/2007)  

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Investigation of UV-curable alkyd coating properties / Qianhe Wang in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 20, N° 2 (03/2023)  

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Mixed metal oxide inorganic/organic coatings / Chad R. Wold in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 70, N° 882 (07/1998)

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Model compound study for acrylic latex crosslinking reactions with cycloaliphatic epoxides / Shaobing Wu in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 69, N° 869 (06/1997)

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Model for the effects of water on the cationic UV-Curing of cyclohexyl epoxides / Mark D. Soucek in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 75, N° 937 (02/2003)

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Modified soybean oil as a reactive diluent: coating performance / Priyanka P. Nalawade in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 12, N° 6 (11/2015)  

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Mould release potential of polydimethylsiloxane coatings using photoinitiated polymerisation / David P. Dworak in SURFACE COATINGS INTERNATIONAL. PART B : COATINGS TRANSACTIONS, Vol. 89, B2 (06/2006)  

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Nanostructured polyurethane ceramer coatings for aircraft / Mark D. Soucek in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 74, N° 933 (10/2002)

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A new approach to graft siloxanes to alkyds / Ruby Chakraborty in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 6, N° 4 (12/2009)  

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