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The light fantastic / Jürgen Patzlaff in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 196, N° 4502 (07/2006)

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 196, N° 4502 (07/2006) . - p. 19-20 Titre : The light fantastic Type de document : texte imprimé Auteurs : Jürgen Patzlaff, Auteur ; Reinhold Rüger, Auteur ; Elke Schulz, Auteur Année de publication : 2006 Article en page(s) : p. 19-20 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Pigments à effets spéciaux Réflectance Index. décimale : 667.2 Colorants et pigments Résumé : The author discuss the development of borosilicate based effect pigments. Iridescent colours caused by light interference are well known in nature, such as in the colours of butterfly wings. For producing such interference effects on an industrial level naturel fish silver derive from fish silver derived fro fish scales was used in the beginning then succeeded by platelet shaped inorganic crystals (ie basic lead carbonate and bismuth oxychloride). Nowadays, pearlescent pigments based on natural mica represent by far the most important class of interference effect pigments. Those pigments consist of platelets coated with thin latyer of highly refractive metal oxide (eg TiO2) causing multiple reflection and interference oflight. Different colours can be created by variation of the thickness and material of the metal oxide layer. Note de contenu : - Borosilicate substrate - Pigment manufacturing process - Borosilicate based pigments Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27529 [article]

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Organic or inorganic / Roland Valin in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 196, N° 4502 (07/2006)

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 196, N° 4502 (07/2006) . - p. 21-22 Titre : Organic or inorganic Type de document : texte imprimé Auteurs : Roland Valin, Auteur Année de publication : 2006 Article en page(s) : p. 21-22 Langues : Anglais (eng) Catégories : Pigments inorganiques Pigments organiques Index. décimale : 667.2 Colorants et pigments Résumé : It's a dilemma every paint and coatings formulator has faced : the trade-off between organic and inorganic pigments. For strong, bright colour, organic pigments are the best bet but in an application calls for great heat stability, extreme weathering properties and chemical resistance, then inorganic pigments are the only way to go. Unfortunately, the non-colouristic properties of organic pigments are not as good as those of inorganic pigments and inorganic pigments colours tend to be weaker and duller than organic pigments. Formulators traditionally have been forced to make either/or decisions - either accepting a lower level of performance than optimal or paying more to achieve the desired attributes. This second choice often means paying for properties that are not needed in a particular application. Several years ago Engelhard Corporation scientists took on the cahllenge of creating pigments that combine the best properties of organic and inorganic pigment chemistries and provide better cost efficiency. By applying the company's vast experience and expertise in surface chemistry it created a 'synergistic' approach leading to the creation of Engelhard Synergy pigments. Introduced in 2003 in the US and just last year in Europe, Synergy pigments already are gaining acceptance in a variety of industrial paint and coating applications. Customers who use the new pigments are achieving the exact colouristic and physical properties they want at costs 20-30% lower than traditional formulations. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27530 [article]

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Weather-fast colours / Larry G. Lane in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 196, N° 4502 (07/2006)

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 196, N° 4502 (07/2006) . - p. 23-24 Titre : Weather-fast colours Type de document : texte imprimé Auteurs : Larry G. Lane, Auteur Année de publication : 2006 Article en page(s) : p. 23-24 Langues : Anglais (eng) Catégories : Colorimétrie Jaune Orange (couleur) Pigments Résistance aux conditions climatiques Résistance chimique Index. décimale : 667.2 Colorants et pigments Résumé : Every day, colour formulators are challenged to select affordable pigments for coatings required for durable applications. Their choices are restricted due to environmental and performance concerns. Rockwood Pigments offers a novel chemistry that provides solutions in the yellow and orange colour space. Note de contenu : - New pigment chemistry - Colour space - Product performance - Acid resistance - Exterior weathering - Performance - Applications - New options Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27540 [article]

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Health protection / Neil Wheat in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 196, N° 4502 (07/2006)

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 196, N° 4502 (07/2006) . - p. 26-28 Titre : Health protection Type de document : texte imprimé Auteurs : Neil Wheat, Auteur Année de publication : 2006 Article en page(s) : p. 26-28 Langues : Anglais (eng) Catégories : Métaux lourds Peinture -- Industrie -- Législation -- Pays de l'Union européenne Réduction des composés organiques volatils Revêtements protecteurs Silicones Les silicones, ou polysiloxanes, sont des composés inorganiques formés d'une chaine silicium-oxygène (...-Si-O-Si-O-Si-O-...) sur laquelle des groupes se fixent, sur les atomes de silicium. Certains groupes organiques peuvent être utilisés pour relier entre elles plusieurs de ces chaines (...-Si-O-...). Le type le plus courant est le poly(diméthylsiloxane) linéaire ou PDMS. Le second groupe en importance de matériaux en silicone est celui des résines de silicone, formées par des oligosiloxanes ramifiés ou en forme de cage (wiki). Index. décimale : 667.9 Revêtements et enduits Résumé : This article is about legislation impact on health, safety and the environment and what it means to the coatings industry. Protective coatings technology has evolved to minimise the impact on health, safety and environment, through the elimination of hazardous substances, the introduction of coating systems with longer service lives, coating systems compatible with alternative methods of surface preparation and reduction of VOCs to ensure compliance with increasingly stringent air regulations. Further legislation will continue to challenge the protective coatings industry. Manufacturers will have to invest in the reformulation and development of coating systems to meet these challenges. Users will have to invest in alternative methods of surface preparation and application. As whole the protective coating sector must show initiative and be proactive in involving itself in the legislative processes in order to defend its market. Note de contenu : - Current and future legislation - VOC reduction - Polysiloxane coatings - Heavy metals - Surface tolerant coatings Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27541 [article]

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Metal appeal / Didier Sourisseau in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 196, N° 4502 (07/2006)

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 196, N° 4502 (07/2006) . - p. 29-30 Titre : Metal appeal Type de document : texte imprimé Auteurs : Didier Sourisseau, Auteur Année de publication : 2006 Article en page(s) : p. 29-30 Langues : Anglais (eng) Catégories : Conception technique Emballages -- Systèmes de fermeture Emballages métalliques Ergonomie Esthétique Sécurité des produits de consommation Index. décimale : 667.9 Revêtements et enduits Résumé : Metal packaging is popular with industrial products brands as well as with consumers. Packaging is an essential element in the sucess of industrial products, such as paints, coatings, varnishes, lacquers, inks and adhesives. Not only must it be durable enough to withstand aggressive chemical formulations and protect products from outside influences but industry changes increasingly require packaging to serve as a marketing vehicle for building brand recognition and loyalty. Metal packaging has always been a popular choice for industrial products brands due to its durability and versability. New technology advancements have enable metal packaging to maintain these core benefits while also incorporating value-added features that enhance consumer convenience and boost visual appeal. These technolgies are vital for industrial products to utilise packaging as a brand-building tool capable of delivering a decisive competitive edge. To help brand owners fully optimise and leverage the power of metal packaging, four key elements should be considered. Note de contenu : - Maintaining product integrity - Improving consumer convenience - Enhancing the container's look and feel - Obtaining logistical efficiency Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27556 [article]

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Colour perfect / Matthew Russell in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 196, N° 4502 (07/2006)

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 196, N° 4502 (07/2006) . - p. 34-36 Titre : Colour perfect Type de document : texte imprimé Auteurs : Matthew Russell, Auteur Année de publication : 2006 Article en page(s) : p. 34-36 Langues : Anglais (eng) Catégories : Couleur -- Analyse Laboratoires -- Appareils et matériel Spectrophotomètres Index. décimale : 667.9 Revêtements et enduits Résumé : Effective quality control will keep costs down in the long run. There are strong arguments for investment in colour management systems but it is critical to be guided correctly to make the appropiate system for your company. Once the investment is made, support (local, e-mail, telephone, web based) and training are essential to ensure you achieve the maximum benefits from your wise investment. Note de contenu : - WHY BUY A SPECTROPHOTOMETER ? : Environment - Human eye - Communication - WHAT TYPE OF SPECTROPHOTOMETER SHOULD YOU BUY ? - SPHERE SPECTROPHOTOMETERS - KEY POINTS SPHERE INSTRUMENTS - PORTABLE 0°/45° & 45°/0° SPECTROPHOTOMETERS - MULTI-ANGLE SPECTROPHOTOMETERS - STAND ALONE INSTRUMENT OR SOFTWARE ? Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27557 [article]

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Colour change / Alex Mejiritski in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 196, N° 4502 (07/2006)

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 196, N° 4502 (07/2006) . - p. 37-38 Titre : Colour change Type de document : texte imprimé Auteurs : Alex Mejiritski, Auteur Année de publication : 2006 Article en page(s) : p. 37-38 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Colorimétrie Dosimétrie La dosimétrie est la détermination quantitative de la dose absorbée par un organisme ou un objet, c'est-à-dire l'énergie reçue par unité de masse, à la suite de l'exposition à des rayonnements ionisants. Revêtements -- Séchage sous rayonnement ultraviolet:Peinture -- Séchage sous rayonnement ultraviolet Index. décimale : 667.9 Revêtements et enduits Résumé : Thin film integrated dosimeter responding to UV wavelengths and exposure doses are described by this article. Energy cure has been making great strides in recent years. According to a BASF study reported at RadTech Europe 2005 the high growth enjoyed by the radiation-curable market over the last 10 years is predicted to remain more or less unchecked until 2015, averaging 8-9% annually in Europe and NAFTA and 12-13% in Asia. UV (ultraviolet) and EB (electron beam) curable technologies have been expanding due to recognition of their so-called e/5 potential : efficient, enabling, economical, energy saving, enviro-friendly. Note de contenu : - Complex surface UV curing - Measuring total time-integrated energy - Colour change effects - FIGURES : 1. UV induced colour change for three different ink types - 2. UV FastCheck thin film radiachromic dosimeter before UV exposure - 3. Comparison calibration chart for UV FastCheck strips - 4. Blue colour development in UV FastCheck strips as measured by a reflection colour densitometer Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27558 [article]

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Light curing adhesives / Michael Stumbeck in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 196, N° 4502 (07/2006)

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 196, N° 4502 (07/2006) . - p. 39-42 Titre : Light curing adhesives Type de document : texte imprimé Auteurs : Michael Stumbeck, Auteur Année de publication : 2006 Article en page(s) : p. 39-42 Langues : Anglais (eng) Catégories : Adhésifs -- Applications industrielles Adhésifs -- Séchage sous rayonnement ultraviolet Diodes électroluminescentes Photoréticulation Polyaddition Index. décimale : 668.3 Adhésifs et produits semblables Résumé : This paper talks about why light-curing adhesives have become indispensable for industrial processes. The rapid development lying between the beginnings in the fifties when light-curing adhesives were mainly used in the furniture industry, the first upswing in the field of print colours in the seventies, the sophisticated developments in dentistry in the eighties and today's high-tech applications in micro-electronics is not over yet. For epoxy resins and acrylates curing through irradiation with UVA light or light in the visible wavelength range have become indispensable for many applications. The advantages of the light-curing adhesives are obvious : - Easy processing - for highly automated processes - Curing in matter of seconds without temperature application - for fast inline production - 'Curing in demand', ie adhesive only cures upon irradiation with light of necessary wavelength - easy integration in production lines - Solvent-free - environmentally compliant and harmless to health - hard and also flexible adhesive types - customised for your application Already today, light-curing adhesives are used in numerous application areas ; and more will follow in the future. The chemical basis and three central development directions will be illustrated in the following. They will demonstrate how properties, which were regarded as impossible only few years ago, can be put into effect today. Note de contenu : - Two mechannisms with great affects - Bounding of glass : light curing offers clear advantages - UV-curing adhesives for OLED technology Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27561 [article]

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In a new light / Tom Molamphy in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 196, N° 4502 (07/2006)

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 196, N° 4502 (07/2006) . - p. 43-44 Titre : In a new light Type de document : texte imprimé Auteurs : Tom Molamphy, Auteur Année de publication : 2006 Article en page(s) : p. 43-44 Langues : Anglais (eng) Catégories : Lampes à rayonnement ultraviolet Revêtements -- Séchage sous rayonnement ultraviolet:Peinture -- Séchage sous rayonnement ultraviolet Tags : 'Matrice  lumineuse  semi-conductrice' Index. décimale : 667.9 Revêtements et enduits Résumé : This is an insight into how high intensity UV light sources will revolutionise curing technology. It is interesting to note that though coatings have evolved and improved significantly over the last few decades, yielding faster cure, better properties, new pigment systems and gloss levels and safer materials, curing lamps has stayed basically the same. However, now that landscape is changing. With the advent of new-intensity semiconductor UV light sources that can cure wide areas uniformly, radiation curing system customers now have access to clean, energy efficient, long life alternatives to traditional mercury lamp technology. As the new UV sources enter mass production, solid-state UV technology will revolutionise commercial processes like boat building, car repair, floor refinishing and other areas where a safe, portable easy-to-use UV source is critical. The sources will also enable new applications for the first time. For example, low-temperature curing for temperature sensitive substrates, such as polyolefins is now enable, as is curing in areas where reduced green-house emissions and freedom from toxic waste generation are required. Note de contenu : - The problem with lamps - SLM : a high intensity alternative to lamps Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27562 [article]

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