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Pourquoi les encres test ne peuvent pas révéler toute la vérité sur l'énergie de surface d'un solide / Thomas Willers in DOUBLE LIAISON, N° 616 (05/2017)
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Titre : Pourquoi les encres test ne peuvent pas révéler toute la vérité sur l'énergie de surface d'un solide Type de document : texte imprimé Auteurs : Thomas Willers, Auteur ; Ming Jin, Auteur ; Nick Heam, Auteur Année de publication : 2017 Article en page(s) : p. 12-17 Note générale : Bibliogr. Langues : Français (fre) Catégories : Angle de contact
Encre -- Analyse
Energie de surface
MesureIndex. décimale : 667.4 Encres Résumé : Cette étude expérimentale compare les encres tests aux mesures d'angle de contact dans la détermination de surface d'un solide. Note de contenu : - FIGURES : 1. L'analyse d'une image lors de la mesure d'angle de contact - 2. Variables qui affectent la formation de l'angle de contact selon l'équation de Young - 3. Dispositif pour le traitement standardisé de deux échantillons - 4. Différents mouillages malgré une énergie de surface égale à la tension superficielle. Plus l'angle de contact est faible, plus la tension interfaciale l'est également - 5. Illustration schématique des interactions entre deux phases (haut : mouillabilité complète ; bas : mouillabilité incomplète). Le travail d'adhésion et la tension interfaciale ont été mesurés via le modèle d'OWRK
- TABLES : 1. Les échantillons étudiés - 2. Résultats des mesures comparatives pour différents matériaux non traités - 3 a-c : Résultats des mesures comparatives entre les angles de contact et les encres test pour trois polymères traités plasma et non traitésPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28654
in DOUBLE LIAISON > N° 616 (05/2017) . - p. 12-17[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 18968 - Périodique Bibliothèque principale Documentaires Disponible Preparation and characterization of waterborne polyurethane/polyacrylate emulsions containing sulfonate groups / Xiaorong Wang in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 15, N° 6 (11/2018)
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Titre : Preparation and characterization of waterborne polyurethane/polyacrylate emulsions containing sulfonate groups Type de document : texte imprimé Auteurs : Xiaorong Wang, Auteur ; Guoyan Ma, Auteur ; Minyan Zheng, Auteur Année de publication : 2018 Article en page(s) : p. 1217-1227 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Caractérisation
Emulsifiants
Energie de surface
Groupement carboxyle
Groupement sulfonate
Haut extrait sec
Polyacrylates
Polymères en émulsion
Polyuréthanes
RhéologieIndex. décimale : 667.9 Revêtements et enduits Résumé : Polyurethane/polyacrylate emulsions (SDPUA) with high solid content were obtained by using carboxyl groups and sulfonate groups as hydrophilic chain-extenders and internal emulsifiers through surfactant-free emulsion polymerization. Polyurethane/polyacrylate emulsions with ethylene diamine (EDA) as chain-extender (EDPUA) were also prepared. The influence of the different 2,4-diamino-benzenesulfonic acid sodium salt (DABS) content on the properties of the SDPUA products was investigated. The main properties of EDPUA were also discussed compared with the SDPUA samples. Dynamic light scattering results showed that when DABS/DMPA molar ratios increased from 1/4.7 to 1/2.28, the particle size increased from 72.2 to 99.7 nm. The particle size of EDPUA emulsion was larger. The steady rheological measurements illustrated that the viscosity decreased with the shear rate increase and the emulsions were displayed as pseudoplastic behavior. Attenuated total reflection Fourier transform infrared results demonstrated the SDPUA products were successfully prepared. As the function of DABS groups, the thermal stability was enhanced. With the increment in DABS/DMPA molar ratio, the contact angles on SDPUA membranes decreased, and the surface free energies increased. The T-peel strength increased to 88.2 N/mm and DABS/DMPA molar ratio increased to 1/2.28, and it was larger than the EDPUA samples. The compatibility of the dual phases was enhanced. Note de contenu : - EXPERIMENTAL : Materials - Preparation of SDPUA composite emulsions - Characterization
- RESULTS AND DISCUSSION : Effect of DABS/DMPA molar ratios on the properties of SDPUA samples - Effect of EDA content on the properties of EDPUA samplesDOI : 10.1007/s11998-018-0062-7 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-018-0062-7.pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=31332
in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 15, N° 6 (11/2018) . - p. 1217-1227[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 20388 - Périodique Bibliothèque principale Documentaires Disponible Preparation and evaluation of degradable polyurethane with low surface energy for marine antifouling coating / Yue Xu in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 16, N° 4 (07/2019)
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Titre : Preparation and evaluation of degradable polyurethane with low surface energy for marine antifouling coating Type de document : texte imprimé Auteurs : Yue Xu, Auteur ; Guoqing Wang, Auteur ; Zhuolin Xie, Auteur ; Aiming Wang, Auteur Année de publication : 2019 Article en page(s) : p. 1055-1064 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Angle de contact
Anti-adhérence (matériaux)
Energie de surface
Hydrolyse
Marines (peinture)
Polymères -- Détérioration
Polymères -- Synthèse
Polyuréthanes
Revêtements antisalissures:Peinture antisalissuresIndex. décimale : 667.9 Revêtements et enduits Résumé : Two polyurethanes were prepared through the reaction of 1,6-diisocyanatohexane (HDI) with two kinds of alcoholates. The first alcoholate was synthesized from alcoholized lactide (PLA) and dodecafluoroheptyl methacrylate (DFHMA) with the solid super acid (SO42−/ZrO) acting as the catalyst, and the other alcoholate was a mixture of PLA and DFHMA. The composition and structure of these two polyurethanes were investigated by infrared spectroscopy (FTIR) and differential scanning calorimetry (DSC). The mass loss, attachment of bacteria and algae, and the water contact angle were used to evaluate the degradable and antifouling performance of the two polyurethane coatings. The results showed that the maximum contact angle of PLIPFI reached 129°, its mass loss was higher than 10% in 65 days, and after 65 days, the mass loss appeared to be stable, and the antiadhesion performance of the polyurethanes coatings was also enhanced. All of these results indicated that the PU modified with a graft segment may be promising for obtaining antifouling materials that not only can resist the adhesion of microorganisms but also show self-renewal. Note de contenu : - Materials
- Synthesis of the polymers
- Preparation of the coating
- Composition characterization
- Structural characterization
- Hydrolytic degradation
- Contact angle measurement (CA) and surface energy (E)
- Antiadhesion tests
- Antifouling tests in the real sea environmentDOI : 10.1007/s11998-018-00180-4 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-018-00180-4.pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=32861
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Code-barres Cote Support Localisation Section Disponibilité 21127 - Périodique Bibliothèque principale Documentaires Disponible Preparation and fluorine enrichment behavior of fluorinated polyester / Jinsu Xiong in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 10, N° 5 (09/2013)
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Titre : Preparation and fluorine enrichment behavior of fluorinated polyester Type de document : texte imprimé Auteurs : Jinsu Xiong, Auteur ; Yunquan Jin, Auteur ; Baoqing Shentu, Auteur ; Zhixue Weng, Auteur Année de publication : 2013 Article en page(s) : p. 621-629 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Angle de contact
Energie de surface
Fluorine
Fluoropolymères
Polyesters
Revêtements poudre:Peinture poudre
Surfaces (technologie)Index. décimale : 667.9 Revêtements et enduits Résumé : Poly[1,2-propylene glycol-3-(2,2,3,3,4,4,5,5,6,6,7,7-dodecafluoroheptoxy)]phthalate (PDFP) was prepared by the reaction of phthalic anhydride, epichlorohydrin, and 2,2,3,3,4,4,5,5,6,6,7,7-dodecafluoroheptyl glycidyl ether (DFGE). The structure of PDFP was characterized with 1H-NMR, 19F-NMR, FTIR and the wettability of water and oil on cured PDFP coatings was investigated by contact angle meter. The results showed that the contact angle of water and diiodomethane on cured coatings increased with the increase of the fluorine content and could maximally attain 108° and 69°, respectively. At a fluorine content of 0.75%, the surface energy was 21.1 mJ/m2. X-ray photoelectron spectroscopic (XPS) analysis showed that the surface F/C atomic ratio was much higher than the overall F/C molar ratio, indicating that the fluoroalkyl groups in PDFP had enriched on the coating surface. It was also found that the fluorinated polyester with longer fluoroalkyl groups had the higher tendency to enrich on the coating surface. Note de contenu : - EXPERIMENTAL : Materials - Preparation of fluorinated polyester - Preparation of fluorinated polyester powder coating (PDFPPC) - Spraying and curing of fluorinated polyester powder coating - Characterizations
- RESULTS AND DISCUSSION : Preparation and structure of PDFP - Fluorine content in PDFP - Surface properties of the coatings based on PDFPPCs - Enrichment of fluoroalkyl gruops on the coating surfaceDOI : 10.1007/s11998-013-9480-8 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-013-9480-8.pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=19781
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Code-barres Cote Support Localisation Section Disponibilité 15618 - Périodique Bibliothèque principale Documentaires Disponible 15679 - Périodique Bibliothèque principale Documentaires Disponible
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Titre : Primed for improvement : Hydrophilic agent enhances levelling and intercoat adhesion Type de document : texte imprimé Auteurs : Michael Bessel, Auteur ; Guillaume Jaunky, Auteur ; Mark Heekeren, Auteur Année de publication : 2014 Article en page(s) : p. 27-31 Langues : Anglais (eng) Catégories : Automobiles -- Revêtements:Automobiles -- Peinture
Energie de surface
Hydrophilie
Mouillage (chimie des surfaces)
Polyacrylates
Polymères ramifiés
Primaire (revêtement)
Revêtements en phase aqueuse -- Additifs:Peinture en phase aqueuse -- AdditifsIndex. décimale : 667.9 Revêtements et enduits Résumé : Acrylate levelling agents have little effect on the surface energy of coatings, while silicone or fluorobased additives reduce it. However, a high surface energy is desirable in primers to increase intercoat adhesion. A new branched polyacrylate levelling additive designed to increase surface energy has shown positive results in waterborne automotive primer surfaces. Note de contenu : - The importance of surface energy in coatings
- Structure of the hydrophilic surface additive
- Testing the effects of additives on surface energy
- Several factors affect optimum additive concentration
- Good wetting confirmed in a waterborne coating system
- New additive has a broad range of applicationsEn ligne : https://drive.google.com/file/d/1ZAcQ1JxRYxuDYGlXBcXtSTSptiZw--i_/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=22067
in EUROPEAN COATINGS JOURNAL (ECJ) > N° 10 (10/2014) . - p. 27-31[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 16560 - Périodique Bibliothèque principale Documentaires Disponible Relation structure/procédé/propriétés finales de matériaux élaborés par rotomoulage / Estelle Perot in MATERIAUX & TECHNIQUES, Vol. 94, N° 5 (2006)
PermalinkRelationship between surface chemistry and surface energy of different shape pigment blend coatings / Hamad Al-Turaif in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 5, N° 1 (03/2008)
PermalinkA review of significant directions in fluorosiloxane coatings / M. J. Owen in SURFACE COATINGS INTERNATIONAL. PART B : COATINGS TRANSACTIONS, Vol. 87, B2 (06/2004)
PermalinkSanitary ware with easy cleaning and/or antibacterial properties / T. Agné in TENSIDE, SURFACTANTS, DETERGENTS, Vol. 44, N° 4/2007 (08-09/2007)
PermalinkSolving complex adhesion problems with plasma / Jeff Elliott in ADHESIVES & SEALANTS INDUSTRY (ASI), Vol. 25, N° 1 (01/2018)
PermalinkPermalinkStructural organisations in polystyrene-based semifluorinated block copolymers for low surface energy coatings / G. Galli in SURFACE COATINGS INTERNATIONAL. PART B : COATINGS TRANSACTIONS, Vol. 87, B2 (06/2004)
PermalinkStructure of vinyl polysiloxane on properties of polyacrylates filmm and its pigment printing application / Qipeng Zhang in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 17, N° 4 (07/2020)
PermalinkSurface properties and printability of polypropylene film treated by an air dielectric barrier discharge plasma / F. A. Morsy in SURFACE COATINGS INTERNATIONAL. PART B : COATINGS TRANSACTIONS, Vol. 89, B1 (03/2006)
PermalinkPermalinkSurface treatment with atmospheric plasma / Nicolas Vandencasteele in ADHESIVES & SEALANTS INDUSTRY (ASI), Vol. 27, N° 1 (01/2020)
PermalinkThe characterisation of surface area and surface heterogeneity profiles of hair by inverse gas chromatography / Frank Thielmann in IFSCC MAGAZINE, Vol. 5, N° 3 (07-08-09/2002)
PermalinkTowards gradient structures in fluorinated acrylate and polyacrylate blend emulsions / Zhaoxia Yin in SURFACE COATINGS INTERNATIONAL, Vol. 101.4 (08-09/2018)
PermalinkUnder high dynamic load / Eduard Kraus in ADHESION - ADHESIVES + SEALANTS, Vol. 13, N° 2/2016 (2016)
PermalinkUV-curable waterborne epoxy acrylate coating modified by monomethacryloyloxy-terminated fluorinated oligomer / Hongyi Shi in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 16, N° 5 (09/2019)
PermalinkUV-pre-treatment for polycarbonate for bonding LSR in a multi-component injection molding process / Christof Ulrich Schlitt in INTERNATIONAL POLYMER PROCESSING, Vol. XXXIV, N° 1 (03/2019)
PermalinkWaterborne epoxy resins modified by reactive polyacrylate modifier with fluorinated side chains / Hongyi Shi in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 17, N° 2 (03/2020)
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