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A sustainably perfect coating : wood primers not bound by mandatory labelling / Klaus Freund in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 208, N° 4642 (06/2018)
[article]
Titre : A sustainably perfect coating : wood primers not bound by mandatory labelling Type de document : texte imprimé Auteurs : Klaus Freund, Auteur Année de publication : 2018 Article en page(s) : p. 26-28 Langues : Anglais (eng) Catégories : Bois -- Revêtements protecteurs
Charges (matériaux)
Décoloration
Formulation (Génie chimique)
Liants
Primaire (revêtement)
Revêtements en phase aqueuse -- AdditifsIndex. décimale : 667.9 Revêtements et enduits Résumé : The author reports on the protection against the discolouring components in water-based wood primers by means of a new functional material
Certain components of wood (eg resins, waxes, fats, tannin acid) may cause yellow or brown discolourations in light-coloured or water-based coatings. To understand this phenomenon and to explain the correlations, the composition of wood needs to be thoroughly addressed.Note de contenu : - ACCESSORY COMPONENTS : Not a secondary matter : Zinc derivatives - Additives - Cationic binders - Filler materials - Theoretical approach
- PRACTICAL IMPLEMENTATION
- Fig. 1 : Discolouration of coatings caused by wood components
- Fig. 2 : Pine, larch, merbau
- Fig. 3 : Barrier function and dispersion characteristics of platy fillers with the formation of an effective and permanent adsorption layer
- Fig. 4 : Comparison of the in-can viscosity after production, 24hr and four weeks of storage period at 40°C
- Fig. 5 : Standard formulation primed wood sample merbau (primer and commercially available topcoat with a constant layer thickness of 200µm
- Table : Comparison of formulationsEn ligne : https://drive.google.com/file/d/1vMuBFZxDk_C3BJzp-bLVqkH6LHc-N4SE/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=30732
in POLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 208, N° 4642 (06/2018) . - p. 26-28[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 20021 - Périodique Bibliothèque principale Documentaires Disponible
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Titre : Switchable for stability : New additives react to changes during the drying process and actively reduce the exposure of their hydrophilic structural elements Type de document : texte imprimé Auteurs : Sabrina Stopka, Auteur ; Jörg Hinnerwisch, Auteur ; Andreas Okkel, Auteur ; Carsten Erkens, Auteur ; Sabine Stelz, Auteur Année de publication : 2021 Article en page(s) : p. 34-38 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Agents dispersants (chimie)
Agents mouillants
Anticorrosion
Bois -- Revêtements
Humidité -- Absorption:Eau -- Absorption
Résistance aux taches
Revêtements en phase aqueuse -- Additifs:Peinture en phase aqueuse -- AdditifsIndex. décimale : 667.9 Revêtements et enduits Résumé : Hydrophilic structural elements of wetting and dispersing additives can increase the water sensitivity of cured paint films based on aqueous coating systems. Switchable wetting and dispersing additives significantly reduce water absorption and improve the stain resistance and the anti-corrosive properties of the coating film. Note de contenu : - Wetting and dispersing additives reduce water resistance
- Water absorption and anti-corrosive properties
- Stain resistance of aqueous wood coatingsEn ligne : https://drive.google.com/file/d/1GNORJjQ2YeH211kcOAX7P54wehsfuZbE/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=36671
in EUROPEAN COATINGS JOURNAL (ECJ) > N° 12 (12/2021) . - p. 34-38[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 23101 - Périodique Bibliothèque principale Documentaires Disponible Synthesis and application of silver nanoparticles as biocidal agent in polyurethane coating / M. Bechtold in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 17, N° 3 (05-06/2020)
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Titre : Synthesis and application of silver nanoparticles as biocidal agent in polyurethane coating Type de document : texte imprimé Auteurs : M. Bechtold, Auteur ; A. Valério, Auteur ; Antônio Augusto Ulson de Souza, Auteur ; D. de Oliveira, Auteur ; C. V. Franco, Auteur ; R. Serafim, Auteur ; S. M. A. Guelli U. Souza, Auteur Année de publication : 2020 Article en page(s) : p. 613–620 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Antimicrobiens
Argent
Caractérisation
Essais de résilience
Nanoparticules
Polyuréthanes
Rayonnement ultraviolet B
Revêtements en phase aqueuse -- Additifs:Peinture en phase aqueuse -- AdditifsIndex. décimale : 667.9 Revêtements et enduits Résumé : Nanostructured materials have become increasingly widespread, and in recent decades, the processing industries have shown a great interest in coating materials with antibacterial properties. In this research, the biocidal effect of silver nanoparticles in the water-soluble polyurethane paint composition was evaluated. Silver nanoparticles in the aqueous phase were prepared by chemical reduction at 500 ppm using polyvinyl alcohol. The material was characterized by UV–Vis, inductively coupled plasma mass spectrometry, dynamic light scattering, zeta potential, and transmission electron microscopy. The effect of silver nanoparticles in terms of yellowing and gloss variation was evaluated by a UV-B radiation test. Silver nanoparticles had no effect on the gloss and yellowing paint film. In addition, positive results were obtained for the protection and resistance against bacteria but not satisfactory resistance against fungi. Note de contenu : - MATERIALS AND METHODS : Synthesis and characterization of silver nanoparticles (AgNPs) - Polyurethane paint preparation - UV-B radiation test - Microbial content - In-can preservation - Fungal resistance - Bacterial resistance
- RESULTS AND DISCUSSION : Synthesis and characterization of AgNPs - UV-B radiation test - Microbial contentDOI : https://doi.org/10.1007/s11998-019-00297-0 En ligne : https://link.springer.com/content/pdf/10.1007/s11998-019-00297-0.pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34093
in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 17, N° 3 (05-06/2020) . - p. 613–620[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 21734 - Périodique Bibliothèque principale Documentaires Disponible Synthesis of conducting PANi/SiO2 nanocomposites and their effect on electrical and mechanical properties of antistatic waterborne epoxy coating / Anh Son Nguyen in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 17, N° 2 (03/2020)
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Titre : Synthesis of conducting PANi/SiO2 nanocomposites and their effect on electrical and mechanical properties of antistatic waterborne epoxy coating Type de document : texte imprimé Auteurs : Anh Son Nguyen, Auteur ; Thuy Duong Nguyen, Auteur ; Thu Thuy Thai, Auteur ; Anh Truc Trinh, Auteur ; Gia Vu Pham, Auteur ; Hoang Thai, Auteur ; Dai Lam Tran, Auteur ; Thi Xuan Hang To, Auteur ; Duy Trinh Nguyen, Auteur Année de publication : 2020 Article en page(s) : p. 361-370 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Antistatiques
Dioxyde de silicium
Epoxydes
Matériaux hybrides
Polyaniline
Polymères -- Propriétés électriques
Polymères en émulsion
Revêtements -- Propriétés mécaniques
Revêtements en phase aqueuse -- Additifs
Revêtements organiquesIndex. décimale : 667.9 Revêtements et enduits Résumé : Polyaniline (PANi) has been intensively incorporated in epoxy coatings as a conducting material. However, epoxy coatings containing PANi have poor mechanical properties. In this study, polyaniline/silica (PANi/SiO2) nanocomposites with different contents of silica were prepared via in situ chemical oxidative polymerization method. Fourier transform infrared spectroscopy (FTIR), field emission scanning electron microscopy (FESEM), and zeta potential measurements were used to examine the structure and the morphology of synthesized PANi/SiO2 nanocomposites. The thermal and electrical properties of the nanocomposite were studied by thermogravimetric analysis (TGA) and standard four-probe electrode method. It was shown that silica (SiO2) nanoparticles were covered by PANi in PANi/SiO2 nanocomposites and the electrical conductivity of nanocomposites decreased with the increase in SiO2 content. The PANi/SiO2 nanocomposite with 4.1 wt% SiO2 had a conductivity of 7.6 x 10-2 S/cm and that of PANi was 8.7 x 10-2 S/cm. Consequently, epoxy coatings containing 30 wt% PANi/SiO2 nanocomposites displayed a higher surface and volume resistance than the one containing pure PANi. In contrast, the increase in SiO2 content in PANi/SiO2 nanocomposite enhanced the mechanical properties of the epoxy coating, compared to epoxy coating containing pure PANi. The coating containing PANi/SiO2 nanocomposite with 17.2 wt% silica presented good mechanical properties (20 L/mil abrasion resistance, 100 kg cm impact strength) and admissible surface and volume resistivity (1.3 x 1011 Ω/cm2 and 6.6 x 10 10 Ω cm, respectively) for antistatic coatings. Note de contenu : - EXPERIMENTAL : Materials - Preparation of PANi/Sio2 nanocomposites - Preparation of Coatings - Analytical characterization - Conductivity measurement - Mechanical resistance measurement
- RESULTS AND DISCUSSION : Characterization of PANi/SiO2 nanocompositeEn ligne : https://link.springer.com/content/pdf/10.1007/s11998-019-00279-2.pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=33987
in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 17, N° 2 (03/2020) . - p. 361-370[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 21658 - Périodique Bibliothèque principale Documentaires Disponible Tailored and resistant / Philippe Favresse in PAINTINDIA, Vol. LXIII, N° 11 (11/2013)
[article]
Titre : Tailored and resistant : More corrosion resistance in aqueous coatings through new wetting and dispersing additives Type de document : texte imprimé Auteurs : Philippe Favresse, Auteur ; Frank Kleinsteinberg, Auteur ; Katrin Roland, Auteur ; Patrick Glöckner, Auteur Année de publication : 2013 Article en page(s) : p. 60-63 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Agents dispersants (chimie)
Agents mouillants
Anticorrosifs
Anticorrosion
Copolymères greffés
Essais (technologie)
Formulation (Génie chimique)
Polyaddition
Polymérisation radicalaire controlée
Revêtements en phase aqueuse -- Additifs:Peinture en phase aqueuse -- AdditifsIndex. décimale : 667.9 Revêtements et enduits Résumé : Wetting and dispersing additives are indispensable for the production of high quality pigment concentrates with a high color strength and adequate storage stability. However, especially with aqueous coatings, the resistance of corresponding films can deteriorate because of their hydrophilic structure.
The aim of this study was to develop polymeric wetting and dispersing additives for aqueous pigment concentrates which display no significant negative impact on the corrosion protection of aqueous coatings. The polymers were produced using various polymerization processes and comparatively evaluated.Note de contenu : - Wetting and dispersing additives enable a productive dispersion process
- Investigated wetting and dispersing additives
- Production of the pigment concentrates
- Test coatings
- Test methods
- Discussion of the results : Rheological properties of the pigment concentrates
- Coloristic properties at the highest level
- A new benchmark for corrosion resistance
- Reduced water absorption improves resistancePermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=20336
in PAINTINDIA > Vol. LXIII, N° 11 (11/2013) . - p. 60-63[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 15933 - Périodique Bibliothèque principale Documentaires Disponible PermalinkTaking care in dispersion developments / Pavel Vasko in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 192, N° 4455 (08/2002)
PermalinkTechnical review on hydrophobically modified alkali swellable (HASE) emulsion / Prashant Waykole in PAINTINDIA, Vol. LXXIII, N° 1 (01/2023)
PermalinkTesting of emulsions : Some easy and essential methods / Mukund Hulyalkar in PAINTINDIA, Vol. LXXII, N° 2 (02/2022)
PermalinkThe best for red and yellow / Frank Kleinsteinberg in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 206, N° 4618 (03/2016)
PermalinkThe development of corrosion resistant 2- and 1-K waterbased zinc-rich paints / Kenichi Nakamura in JOURNAL OF PROTECTIVE COATINGS & LININGS (JPCL), Vol. 34, N° 8 (08/2017)
PermalinkThe effect of novel light stabilisers enhance UV filtering in waterborne UV-curable coatings / Yung-Chi Yang in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 209, N° 4649 (03/2019)
PermalinkThe effect of precipitated calcium carbonate nanoparticles in coatings / W. S. Wu in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 13, N° 2 (03/2016)
PermalinkThe impact of microfibrillated cellulose on the rheology of water-based acrylic satin paint upon tinting / Otto Soidinsalo in COATINGS TECH, Vol. 21, N° 4 (07-08/2024)
PermalinkThe impact of stainless steel flakes as a novel multifunctional pigment for wood coatings / Massimo Calovi in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 21, N° 3 (05/2024)
PermalinkThe use of levulinates as coalescing agents in water-based coatings / Steve Block in SURFACE COATINGS INTERNATIONAL, Vol. 105.1 (01-02/2022)
PermalinkThe use of levulinates as coalescing agents in water-based coatings / Steve Block in COATINGS TECH, Vol. 19, N° 5 (05-06/2022)
PermalinkThe use of naphthenic acid ester as a dispersing agent in aqueous conductive primers / James L. Carmine in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 66, N° 836 (09/1994)
PermalinkUne thématique éternelle in GALVANO ORGANO, N° 861 (12/2017)
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