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Formulating strategies for low migration and low odour products / Susan E. Bailey in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 204, N° 4602 (11/2014)  

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 204, N° 4602 (11/2014) . - p. 14-15 Titre : Formulating strategies for low migration and low odour products Type de document : texte imprimé Auteurs : Susan E. Bailey, Auteur Année de publication : 2014 Article en page(s) : p. 14-15 Langues : Anglais (eng) Catégories : Emballages Monomères Oligomères Photoamorceurs (chimie) Revêtements -- Séchage sous rayonnement électronique Revêtements -- Séchage sous rayonnement ultraviolet Index. décimale : 667.9 Revêtements et enduits Résumé : How radiation curing, both ultraviolet (UV) and electron beam (EB), can provide printed packaging with desired final properties without the bulk removal of solvent or water from a liquid formulation that forms a final coating product. In the radiation curing process, UV light waves or high energy electrons impinge on the components of the formulated coating or ink to initiate the chemical reactions that form a crosslinked network of bonds between the components. Any components that do not react to incorporate into the polymer network are trapped within it ; however, they have the potential to migrate from the coating with exposure to heat, contact with similar materials or over time. Even though these components are minute constituents of the final film, they can migrate causing odour and impacting the coating performance. In certain applications,chemicals that can be released are regulated and need to be strictly controlled. Figure 1 depicts a schematic of the liquid formulation containing monomers, oligomers and photoinitiator. After the cure reaction, many of the components are chemically bound. Residual monomer and photoinitiator molecules can remain unbound in the coating. Reactive end groups may still be present but bound to the polymer network through a different end of the molecule. The strategies employed to create the desired look or performance of the coating or ink can often be in conflict with strategies to control the migration of materials in the final product. Considered selection of formulation components and the radiation curing system allow for both parts of the final product specification to be maintained. Note de contenu : - Photoinitiator considerations - Monomer/oligomer selection - Contributing factors - Flexibility solution - Balancing formulation En ligne : https://drive.google.com/file/d/17YLrkbG6BsFu5WV3AVorWzixrxTlBjE0/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=22372 [article]

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Developments for UV LED curing / Stacy Hoge in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 204, N° 4602 (11/2014)  

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 204, N° 4602 (11/2014) . - p. 16-18 Titre : Developments for UV LED curing Type de document : texte imprimé Auteurs : Stacy Hoge, Auteur Année de publication : 2014 Article en page(s) : p. 16-18 Langues : Anglais (eng) Catégories : Adhésifs -- Séchage sous rayonnement ultraviolet Diodes électroluminescentes Flexographie Impression numérique Revêtements -- Séchage sous rayonnement ultraviolet Sérigraphie Index. décimale : 667.9 Revêtements et enduits Résumé : Users of UV LED curing can expand their application range, achieve better quality and use less energy by working with chemistry companies and equipment developers, as Phoseon highlights. Manufacturers are choosing UV LED light sources for curing because they deliver advanced capabilities, improvements in operating economics and environmental advantages. This success is supported by a growing number of chemistry companies that work hand-in-hand with equipment developers to formulate adhesives, coatings and inks that are optimised for both UV LED curing and the specific application. Users of UV LED curing can expand the range of applications they can offer, run equipment at higher speeds, achieve high quality, use substantially less energy, reduce scrap, reduce VOC emissions in the workplace and print on lower cost or more environmentally friendly materials. Yet the advances described here represent only the tip of the iceberg. As the benefits continue to be proven in real world businesses, expect to see many more UV LED curing innovations in a variety of applications. Note de contenu : - Adhesives - Coatings - Screen printing - Digital printing - Flexographic printing - Advances in UV curing En ligne : https://drive.google.com/file/d/1hnt6U1eesMpfCKw1ZWnpuyt9aP7IEtjy/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=22373 [article]

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In-plant tinting means competitive advantage / Daniela Damoiseaux in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 204, N° 4602 (11/2014)  

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 204, N° 4602 (11/2014) . - p. 20-21 Titre : In-plant tinting means competitive advantage Type de document : texte imprimé Auteurs : Daniela Damoiseaux, Auteur Année de publication : 2014 Article en page(s) : p. 20-21 Langues : Anglais (eng) Catégories : Matériaux -- Coloration Teinture -- Appareils et matériels Index. décimale : 667.9 Revêtements et enduits Résumé : An increasing number of European paint producers benefit from using in-plant tinting solutions. These systems deliver accurate and high-quality tinting results. They are an economic solution especially for short-notice, smaller batch requirements. Growing pressure from competitors and rising customer demands led the German paint producer Remmers Baustofftechnik GmbH and Théolaur Peintures in France to switch from captive production to in-plant tinting solutions. Combined with the colourants from Chromaflo Technologies, they have been the key enabler for competitive advantage. Note de contenu : - Quicker reaction times to market demands - Value for money - Minimised production costs and higher market share En ligne : https://drive.google.com/file/d/1Ctd6z0reaqBcWB8PjHDmS0C5McTzmKYV/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=22374 [article]

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Powder polyester resins for excellent corrosion protection / Menno Claase in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 204, N° 4602 (11/2014)  

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 204, N° 4602 (11/2014) . - p. 24-25 Titre : Powder polyester resins for excellent corrosion protection : An effective, efficient and eco-friendly solution to counter corrosion Type de document : texte imprimé Auteurs : Menno Claase, Auteur Année de publication : 2014 Article en page(s) : p. 24-25 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Anticorrosion Essais de brouillard salin Polyesters Poudres Réticulation (polymérisation) Index. décimale : 667.9 Revêtements et enduits Résumé : Corrosion protection is a key requirement for steel in numerous applications like automotive, ACE, construction, appliances and metal furniture. Traditionally the area of corrosion protective paints is dominated bu epoxy-systems (liquid and powder), however to further reduce the usage of bisphenol-A and improve worker safety, there is a trend to lower the amount of epoxy paints used, for instance, by switching to other systems like polyester-based powder coatings. For several years DSM scientists have worked on the development of polyester resins that perform equally well better than current epoxy systems. Note de contenu : - Effects of cure - Effects of formulation - Further alternatives for epoxy resins - Polyester resins in primer systems - Key properties of polyester resins for HAA, TGIC and hybrid including results from NSS tests (single measurement) on various metal substrates based on a single layer white formulation En ligne : https://drive.google.com/file/d/1-_U8r21JrR__kKpAU_Zw4hKfusFxVhwf/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=22376 [article]

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Advance in basic resins for cathodic electrodeposition coating / Lijun Chen in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 204, N° 4602 (11/2014)  

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 204, N° 4602 (11/2014) . - p. 26-28 Titre : Advance in basic resins for cathodic electrodeposition coating Type de document : texte imprimé Auteurs : Lijun Chen, Auteur ; Wen Li, Auteur ; Wei Jiang, Auteur Année de publication : 2014 Article en page(s) : p. 26-28 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Anticorrosion Copolymère époxy acrylate Dépôt électrolytique Epoxydes Fluoropolymères Liants Organosilicones Polyacryliques Polymères cationiques Polyuréthanes Pulvérisation cathodique Index. décimale : 667.9 Revêtements et enduits Résumé : Cathodic electrodeposition (CED) coating was developed as a new type of industrial application for an anticorrosion coating since the mid 1970s. It has many merits, such as little environmental pollution, no fire hazard, excellent corrosion resistance, high throwing power and a degree of automation for coatings. Thus, it is widely used in automotives, light industry, agricultural machinery, household appliances, instruments, crafts, building materials and so on. CED coating if often composed of water-soluble cationic resin, pigments and extenders, solvent and neutraliser, which is made by grinding. The cationic resin is the binder of the CED coating and is also the colour developing agent, which is vital to the properties of coating and its film. Thus, the cationic resin is one of the most important components for CED coating. Presently, the main research focuses on increasing kinds of cationic resin and improving the properties of cationic resin. In this paper, the advances of the cationic resin is reviewed. Note de contenu : - ADVANCE OF BASIC RESIN IN CED COATING : Epoxy resin - Acrylic resin - Polyurethane resins - Composite resins of epoxy and acrylate - Fluorocarbon resins - Organic silicon modified resins En ligne : https://drive.google.com/file/d/153bvIC4u7knkAUqiPwr3Ygriz0pSJ-0p/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=22419 [article]

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Sustainable polyesters for powder coatings / Alessandro Minesso in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 204, N° 4602 (11/2014)  

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 204, N° 4602 (11/2014) . - p. 32-33 Titre : Sustainable polyesters for powder coatings Type de document : texte imprimé Auteurs : Alessandro Minesso, Auteur Année de publication : 2014 Article en page(s) : p. 32-33 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Biomatériaux Développement durable Formulation (Génie chimique) Monomères Polyesters Polymères -- Recyclage Produits et matériaux recyclés Revêtements poudre:Peinture poudre Index. décimale : 667.9 Revêtements et enduits Résumé : A new method for the synthesis of sustainable and cost-efficient polyester resins for powder coating has been developed by combining the chemical recycling of polymers recovered from post-consumer waste streams with the use of bio-based monomers as building blocks for the polymerisation. Some of these monomers are very specific and brought to the development of materials with unique properties, which cannot be obtained from traditional petrochemicals. Therefore, the casting produced using this new approach presents applicative properties similar to and, in some cases, superior properties, compared with commercial coatings obtained from non-renewable resources. This aspect combined with the sustainable character of the new technology gives important advantages in comparison with conventional resins and opens new possibilities In market segments where the current powder coating has limited applications due to some intrinsic limitations. En ligne : https://drive.google.com/file/d/1YS0pLBwGjx8Eyq8BegOFmiGaVBKHplu3/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=22420 [article]

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