Antistatic and antibacterial two-component waterborne polyurethane coating / Xianwen Li in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 20, N° 3 (05/2023)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 20, N° 3 (05/2023) . - p. 869-881 Titre : Antistatic and antibacterial two-component waterborne polyurethane coating Type de document : texte imprimé Auteurs : Xianwen Li, Auteur ; Xinmeng Xu, Auteur ; Faai Zhang, Auteur Année de publication : 2023 Article en page(s) : p. 869-881 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Antibactériens Antistatiques Caractérisation Cuivre Nanoparticules Polyaniline Polyuréthanes Revêtements bi-composant Revêtements en phase aqueuse Revêtements organiques Zircone Le dioxyde de zirconium ou oxyde de zirconium(IV) couramment appelée zircone est un composé inorganique du zirconium de formule ZrO2. Ce matériau est une céramique technique d'aspect opaque. Appelé CZ (Cubic Zirconia) lorsque transparent, il est utilisé pour imiter le diamant. Il ne faut pas le confondre avec le zircon (ZrSiO4). Sous sa forme tétragonale, l'oxyde de zirconium est un matériau a vocation mécanique, cette évolution cristallographique lui confère une dureté très élevée (1200Hv) ainsi qu'une bonne résistance aux sollicitations mécaniques (700Mpa en traction et 2000Mpa en compression). Une fois polie, la zircone tétragonale peut atteindre un Ra de 0,02, ce qui permet de l'utiliser pour des pièces de frottement. Index. décimale : 667.9 Revêtements et enduits Résumé : Hydroxyl acrylate emulsion was prepared firstly by the semicontinuous seeded emulsion polymerization, and then adding polyaniline (PANI)/Cu/ZrO2 ternary nanocomposites, two-component waterborne polyurethane (2 K WPU) composite coatings with antistatic and antibacterial properties were obtained by mixing the emulsion with hydrophilic modified polyisocyanate. The structure and morphology of the PANI/Cu/ZrO2 were observed by Fourier transform infrared spectroscopy, scanning electron microscopy, and X-ray diffractometer. The thermal, antistatic, antibacterial, anticorrosion, and mechanical properties of the 2 K WPU composite coatings were determined. The results showed that the addition of the ternary nanocomposites increased the antistatic, antibacterial, anticorrosion, and mechanical properties of the 2 K WPU coating. The initial decomposition temperature increased from 200 to 225°C, and the tensile strength increased by 44.4%. The coatings still maintained good impact strength of 50/50 kg cm, adhesion of grade 2, flexibility of 1 mm, pendulum hardness of 293 s, and the gloss (60°) of 119.4. Note de contenu : - EXPERIMENTAL : Materials - Synthesis of PANI/Cu and PANI/Cu/ZrO 2 nanocomposites - Preparation of hydroxyl acrylate emulsion - Preparation of 2 K WPU film - Preparation of antibacterial and antistatic - 2 K WPU coatings - Preparation of culture medium - Characterization - Determination of surface electric resistance - Qualitative antibacterial test - Quantitatively antibacterial test - Coating anticorrosion resistance testing - Tinplate surface analysis - Adhesion, pendulum hardness, impact resistance, and gloss of films testing - Mechanical properties test - RESULTS AND DISCUSSION : FTIR - SEM images - XRD - Thermogravimetric analysis (TGA) - Antistatic property - Antibacterial property - Anticorrosion performance of the composite coatings - Coating performance of 2 K WPU composite - Table 1 : Effect of PANI/Cu/ZrO2 content on film performance of 2 K WPU DOI : https://doi.org/10.1007/s11998-022-00708-9 En ligne : https://link.springer.com/content/pdf/10.1007/s11998-022-00708-9.pdf?pdf=button% [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=39434 [article]

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Antistatic coatings / Frank Ott in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 196, N° 4505 (10/2006)

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 196, N° 4505 (10/2006) . - p. 28-30 Titre : Antistatic coatings Type de document : texte imprimé Auteurs : Frank Ott, Auteur ; Jürgen Patzlaff, Auteur ; Reinhold Rüger, Auteur Année de publication : 2006 Article en page(s) : p. 28-30 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Antistatiques Pigments Revêtements de sols:Peinture de sols Index. décimale : 667.2 Colorants et pigments Résumé : The authors discuss the development of transparent or light coloured conductive materials. Almost everybody has his personal experience with electrostatic charging, for example, walking on parquet, laminate or plastic floor and feeling an electric shock touching the door handle or the handrail. What is merely unpleasant and sometimes painful can create severe damage for electronic devices. Uncontrolled electric discharging is a high rick in manufacturing, packaging and transportation of sensitive electronic parts. Electric flashover is also known to be a severe hazard in areas where flammable, chemicals, solvents, gases or dusts are handled. Therefore, control of electrostatic charging is a must for fire and explosion protection in laboratories, manufacturing areas and transportation vehicles. Common polymer binders used in coatings are insulators and electrostatic charging of coated surfaces is out of control, in particular under dry conditions. For the above-mentioned reasons, there is an increasing demand to provide coatings and plastics with conductive and antistatic properties. For a long time, formulators have used various additives to implement some conductivity into coatings. So far, materials in use for such purposes have significant limitations. Well known and long established in conductive coatings is carbon black but its significant limitation is its deep black colour not allowing the formulation of light coloured coatings. In general, black or dark coloured floorings, for example, are not widely accepted for aesthetic or practical reasons. This is especially an issue in clean rooms and hospitals. Metal powders, such as silver powder, silver flakes or, alternatively, silver coated glass beads or mica are used in the electronic industry but have found only niche applications in coatings for cost reasons. Salt-like additives on the other hand are colourless but require a certain degree of humidity to a coating antistatic. Furthermore, their function is not permanent and conductivity is unstable with air humidity and diminishes over time. In order to provide designers and formulators with the opportunity to combine conductivity and light colours suitable conductive pigments are required. Note de contenu : - Conducting metal oxides - Minatec conductive pigments - Pigment composition - Mode of action - Advantages - Applications Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27503 [article]

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Antistatic packaging / Anja Oltmanns in KUNSTSTOFFE INTERNATIONAL, Vol. 109, N° 4 (04/2019)  

[article]  inKUNSTSTOFFE INTERNATIONAL > Vol. 109, N° 4 (04/2019) . - p. 39-40 Titre : Antistatic packaging : Masterbatch prevents electrostatic charges and has approval for food contact related applications Type de document : texte imprimé Auteurs : Anja Oltmanns, Auteur Année de publication : 2019 Article en page(s) : p. 39-40 Langues : Anglais (eng) Catégories : Aliments -- Emballages Antistatiques Electrostatique Emballages en matières plastiques Matériaux pour les industries agro-alimentaires Matières plastiques -- Additifs Mélanges-maîtres (chimie) Index. décimale : 668.4 Plastiques, vinyles Résumé : Contact and friction with other materials can create a static charge on plastic surfaces. A sudden discharge can damage sensitive components. Now, a special masterbatch is able to prevent this with many plastics used in industrial applications. Not only is it suitable for automotive and industrial applications, it is also approved for use in food contact related applications. Note de contenu : - Reducing surface resistance - Antistatic properties for industrial packaging - Figure : Suction and conveyor hoses can be made antistatic with elastostat. The prevents the transported goods becoming electrostatically charged - Fig. 1 : Comparison of surface resistance with/withoug antistatic masterbatch. Below 10 exp. 4Ω, a material is classified as conductive , above 10 exp. 12Ω it is insulating En ligne : https://drive.google.com/file/d/1opVulFwUCzCcSsF6gwyK9ymmzS84LEkJ/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=32454 [article]

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Antistatic performance additive within house and L&L surface cleaning products / Simon Flavin in SOFW JOURNAL, Vol. 142, N° 6 (06/2016)  

[article]  inSOFW JOURNAL > Vol. 142, N° 6 (06/2016) . - p. 28-32 Titre : Antistatic performance additive within house and L&L surface cleaning products Type de document : texte imprimé Auteurs : Simon Flavin, Auteur ; Julia Gierman, Auteur Année de publication : 2016 Article en page(s) : p. 28-32 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Additifs Antistatiques Brillance (optique) Chimie des surfaces Détergents Formulation (Génie chimique) Matières plastiques Mousse (chimie) Index. décimale : 668.1 Agents tensioactifs : savons, détergents Résumé : A global trend toward high gloss surfaces exists both in homes and within I&I area. The surface gloss will, however, be affected by the settling of dust particles from the air. By addition of a high performance antistatic additive, cleaners can provide an antistatic effect on various plastic surfaces. With an addition level of 0.2 to 0.4 wt.-% of the recently developed antistatic additive Crodastat 400 within the cleaning formulation, the static charge build up on the surface will be prevented and the surface is modified to remain sustainably dust-free. Note de contenu : - Trend toward gloss and shine surfaces - Antistatic effect by surface modification - Antistatic performance test - Performance in cleaners - Performance on various surfaces - Long lasting efficacy - Cleaning performance - Foaming performance - Surface gloss and shine - Substrate compatibility - Formulation stability - Field of application - Formulation example En ligne : https://drive.google.com/file/d/180gJr_nrCifARbt7HWFJ0leXNMC791zf/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=26701 [article]

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Antistatic properties of clearcoats by the use of special additives / Carina Deschamps in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 17, N° 3 (05-06/2020)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 17, N° 3 (05-06/2020) . - p. 693-710 Titre : Antistatic properties of clearcoats by the use of special additives Type de document : texte imprimé Auteurs : Carina Deschamps, Auteur ; Neil Simpson, Auteur ; Michael Dornbusch, Auteur Année de publication : 2020 Article en page(s) : p. 693-710 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Antistatiques Polydiméthylsiloxane Le polydiméthylsiloxane —[O-Si(CH3)2]n—, ou poly(diméthylsiloxane) selon la nomenclature systématique, communément appelé PDMS ou diméthicone, est un polymère organominéral de la famille des siloxanes souvent présent dans les shampoings. On l'y ajoute pour augmenter le volume des cheveux mais il peut également aller boucher les pores du cuir chevelu et rendre les cheveux gras. C'est une des raisons pour lesquelles se laver les cheveux tous les jours est très déconseillé avec un shampooing contenant des silicones. Il existe également de l'amodiméthicone, qui est un dérivé du diméthicone. Le polydiméthylsiloxane est un additif alimentaire (E900), utilisé comme antimoussant dans les boissons (Coca-Cola BlāK). La chaîne de poly(diméthylsiloxane) forme également la structure de base des huiles et des caoutchoucs silicones. Réticulation (polymérisation) Revêtements -- Séchage sous rayonnement ultraviolet Sels d'ammonium Spectrométrie infrarouge Vernis -- Additifs Index. décimale : 667.9 Revêtements et enduits Résumé : Electrostatic discharge and dust attraction are everyday life phenomenon, which are undesirable in most cases. In coatings, antistatic additives can solve this issue by reducing the surface resistance of surfaces. By way of formulation, antistatic coatings might prevent electrostatic discharge and dust attraction. In this work, we evaluated different substances to investigate and understand their ability to create an antistatic effect, specifically in a UV clearcoat. We have developed a method to evaluate the suitability of antistatic additives by investigating their location within the coating matrix by FTIR, versus the location of the coating resistance and resultant coating performance. We compared an array of different chemistries used to impart antistatic effects, from classic quaternary salts to polymeric materials and pigments, to better understand how they perform in a coating and to understand any benefits or issues. All additives helped to reduce surface resistance and therefore improve the potential for antistatic performance. We found the most powerful effects on reduced resistance from the ionic liquid and conducting pigment, but they were unable to target the surface where the effect was needed for an antistatic behavior. Additives at the surface gave the strongest effect, but they mostly relied upon increasing hydrophilicity and as a result reduced coating hardness and tended to leach from the coating. Modifying the quats (quaternary ammonium cationic materials) with PDMS (polydimethylsiloxane) gave the strongest surface affinity, but we believe this diluted the effect of antistatic behavior versus lower molecular analogues due to the lower molar concentration of active groups. We believe our work could be used by formulators to better design additives that find the correct location within a coating to avoid waste and side effects, and to address the issue of permanence through crosslinkable modification. Note de contenu : - INTRODUCTION : Absorption mechanism - Network mechanism - Methods and materials - Analytical measurement details - Coating and application details - Antistatic additive details - RESULTS AND DISCUSSION : Optimizing the cure conditions - UV monomer conversion with additives - Location of the additives in the cured coating - Surface and vertical resistance of the coatingwith additives - UV monomer conversion with additives - Location of the additives in the cured coating - Surface and vertical resistance of the coating with additives - Durability of the resistance - Coating properties with additives DOI : https://doi.org/10.1007/s11998-019-00283-6 En ligne : https://link.springer.com/content/pdf/10.1007/s11998-019-00283-6.pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34100 [article]

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Des compounds conçus pour les milieux explosifs in PLASTIQUES & CAOUTCHOUCS MAGAZINE, N° 957-958 (06-07/2019)  

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Conducting a brighter future / Dmitriy Chebochacov in EUROPEAN COATINGS JOURNAL (ECJ), N° 7-8 (07-08/2018)  

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Conductive polymers / Paresh Narendra Darshani in PAINTINDIA, Vol. LXIII, N° 2 (02/2013)

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Controlled discharges in INTERNATIONAL SURFACE TECHNOLOGY (IST), Vol. 6, N° 3 (2013)

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Les élastomères thermoplastiques / Jean-Jacques Flat in L'ACTUALITE CHIMIQUE, N° 456-457-458 (11-12/2020 - 01/2021)

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Electrical and mechanical properties of antistatic poly(vinyl chloride) composites filled with silver plated hollow glass microspheres / J. Wang ; X. L. Chen ; S. H. Qi in INTERNATIONAL POLYMER PROCESSING, Vol. XXXI, N° 2 (05/2016)  

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EPI et vêtements de travail : mieux comprendre leurs caractéristiques antistatiques pour prévenir les risques d'explosion / Florian Marc in HYGIENE & SECURITE DU TRAVAIL, N° 241 (10-11-12/2015)  

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Evaluation des propriétés électrostatiques in TEXTILES A USAGES TECHNIQUES (TUT), N° 64 (06-07-08/2007)  

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Function and color made to measure / Jan Stadermann in KUNSTSTOFFE INTERNATIONAL, Vol. 103, N° 9 (09/2013)

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How to avoid static electricity when handling FIBCs / James Grimshaw in SURFACE COATINGS INTERNATIONAL, Vol. 103.2 (03-04/2020)  

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How to improve conductivity of epoxy floor coating (an antistatic coating) in the range of 10-6 - 10-9 / Harish Agrawal in PAINTINDIA, Vol. LXXIII, N° 7 (07/2023)  

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Influence of aminopropylvinylsilsesquioxane post-treatment on the colour performance of pigment-based inks on ink-jet-printed polyester fabrics / Osama Abdel Hakeim in COLORATION TECHNOLOGY, Vol. 137, N° 6 (12/2021)  

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No chance for dust / Juan Carlos Caro in KUNSTSTOFFE INTERNATIONAL, Vol. 111, N° 8 (2021)  

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Polyester electrostatic conductive monofilament for process belts / Pascal Heckenbenner in CHEMICAL FIBERS INTERNATIONAL, (09/2015)  

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Polypyrrole-coated latex particles as core/shell composites for antistatic coatings and energy storage applications / S. M. M. Morsi in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 16, N° 3 (05/2019)  

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