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EUROPEAN COATINGS JOURNAL (ECJ) . N° 5Radiation curingMention de date : 05/2017 Paru le : 10/05/2017 |
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Ajouter le résultat dans votre panierGiving films a smoother profile / Juliane Fichtner in EUROPEAN COATINGS JOURNAL (ECJ), N° 5 (05/2017)
[article]
Titre : Giving films a smoother profile : How electron beam cured varnishes improve surfaces of polymer webs Type de document : texte imprimé Auteurs : Juliane Fichtner, Auteur ; Steffen Günther, Auteur ; Benjamin Butschkau, Auteur Année de publication : 2017 Article en page(s) : p. 38-41 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Monomères
Vernis -- Additifs
Vernis -- Séchage sous rayonnement électroniqueIndex. décimale : 667.7 Cires, laques, vernis Résumé : The film quality of electron beam (EB) curable varnish coatings on polymer web substrates was investigated. Properties were found to be affected by monomer level, EB dose and EB current. Some crosslinkable surface additives improved properties. Note de contenu : - test procedures summarised
- How monomer level affects film properties
- High EB doses impair film properties
- Surface additives can enhance properties
- Main factors affecting defect level summarised
- FIGURES : 1. Influence of the fraction of monomer in the formulation on the average surface roughness (a) and the fractional defect area b) (determined by WLI data) - 2. AFM images : a) 12% monomer, b) 100% monomer - 3. Influence of the EB dose on the fractional defect area at different EB currents (2mA, 6mA and 10mA) - 4. Summary of the result of the influence of different surface additives on the average surface roughness (Sa) (a) and the fractional defect area (b)
- TABLE : Roughness values Ra and R1 for different monomer contentsEn ligne : https://drive.google.com/file/d/1BxHKBOFkqzMHtsEOyYkFCpNnz2ufG7qd/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28554
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Code-barres Cote Support Localisation Section Disponibilité 18895 - Périodique Bibliothèque principale Documentaires Disponible
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Titre : Not just for wood : Radiation-curable coating systems are considered to be a niche application, but have become firmly established in several application areas, such as the furniture industry. As our overview of current binders shows, radiation-curable systems are characterised by great diversity and can be used in many industries Type de document : texte imprimé Année de publication : 2017 Article en page(s) : p. 42-43 Langues : Anglais (eng) Catégories : Produits commerciaux
Revêtement -- Séchage:Peinture -- Séchage
Revêtements (produits chimiques):Peinture (produits chimiques)Index. décimale : 667.9 Revêtements et enduits En ligne : https://drive.google.com/file/d/1SFcrJJjmh62o7Q_MB60DRaYjboOQEK_q/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28555
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Code-barres Cote Support Localisation Section Disponibilité 18895 - Périodique Bibliothèque principale Documentaires Disponible Proposed restriction of diisocyanates / Kerstin Heitmann in EUROPEAN COATINGS JOURNAL (ECJ), N° 5 (05/2017)
[article]
Titre : Proposed restriction of diisocyanates : In order to minimise the risks to workers, the use of mixtures containing diisocyanate will only be allowed under certain conditions in the future Type de document : texte imprimé Auteurs : Kerstin Heitmann, Auteur Année de publication : 2017 Langues : Anglais (eng) Catégories : Diisocyanates
Produits chimiques -- Toxicologie
Substances dangereuses -- Législation -- Pays de l'Union EuropéenneIndex. décimale : 667.9 Revêtements et enduits Résumé : Diisocyanates widely serve as monomers in polyurethane products for seals, adhesives and coatings in the coatings industry. Workers may be exposed to them when formulating and handling uncured reaction mixtures. Note de contenu : - Discussion of appropriate measures on risk minimisation
- Contents of the restriction proposal
- Next steps at EU levelEn ligne : https://drive.google.com/file/d/1DxSx3Z6dsdmp18XVKnrRomFU7MODRfAF/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28556
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Code-barres Cote Support Localisation Section Disponibilité 18895 - Périodique Bibliothèque principale Documentaires Disponible Resin design for a sustainable future / Bas Tuijtelaars in EUROPEAN COATINGS JOURNAL (ECJ), N° 5 (05/2017)
[article]
Titre : Resin design for a sustainable future : Using fatty acid modified polyurethane dispersions in paints to combine excellent performance with a safer end product Type de document : texte imprimé Auteurs : Bas Tuijtelaars, Auteur ; Cor Koning, Auteur ; Bauke de Vries, Auteur ; Bert Hofkamp, Auteur ; Roel Swaans, Auteur ; Diane de Bruijne, Auteur ; Derrick Twene, Auteur Année de publication : 2017 Article en page(s) : p. 48-55 Note générale : Erratum Fig. 2 et 3 p. 55 - Bibliogr. Langues : Anglais (eng) Catégories : Composés organiques volatils
Diisocyanates
Liants
Polymères en émulsion
Polyuréthanes
Produits chimiques -- Toxicologie
Revêtements en phase aqueuse -- Additifs:Peinture en phase aqueuse -- Additifs
TriéthylamineIndex. décimale : 667.9 Revêtements et enduits Résumé : Neutralising amines such as triethylamine are widely used in water-borne polyurethane dispersions where they stabilise the polymer particles. After application these toxic amines evaporate from the coating posing a risk to human health and the environment. Note de contenu : - Reducing environmental impact
- Optimising polyurethane dispersions
- Volatile amines beneficial to performance
- Toxic when drying
- Emission tests prove tea release
- Volatile organic amines are the main contributor to emissions
- New systems protect end user health
- Developing a resin with no health risks
- Tailored PU design improves resistance
- Environmentally friendly and high performance
- New non-toxic binders offer a sustainable future
- FIGURES : 1. Example of green standards and ecolabels - 2. Schematic formation of a polyurethane dispersion, using a tertiary amine as neutralising agent. The generated salt groups act as internal dispersants, stabilising the emulsions - 3. TEA labeling - 4. The results for the online monitoring of triethylamine (TEA) emissions in ambient air, originated from a 100 µm paint film based on a commercially available urethanised alkyd dispersion for DSM. The blue curve represents the TEA concentration in the air chamber over time = t. The red curve represents the cumulative amount of TEA emitted (in mg) - 5. Results of monitoring triethylamine (TEA) emissions in ambient air, originated from a 50 µm polyurethane film based on three commercially availagle urethanised alkyd dispersions and four corresponding commercial paints. The curves represent the collected TEA in the air chamber over time = t - 6. Calculated VOC content of a physically drying parquet lacquer based on a commercial polyurethane dispersion. Initial concentration of the co-solvents is much higher compared with the volatile amine. R values of measurements at 3, 7 and 28 days, according to AgBB emission testing on this lacquer. Triethylamine contributes to 80-90 % on the calculated R-value because of its low LCI value - 7. Water resistance and chemical rsistances of the four auto-oxidisable polyurethane dispersions listed in Table 2 according to DIN-68861-1 1B. The bars for chemical resistances represent an average of 5 different staining resistances (coffee, tea, ethanol, red wine and hand cream). Score : 0 = very poor, 5 = excellent
- TABLES : 1. Total VOC (g/l) according to ISO 11890-2 - 2. Comparison of dispersion characteristics and dry film properties of four auto-oxidisable polyurethane disprsions with different stabilising and neutralising compounds. Sores for smell : - means bad smell ; ++ means odourless - 3. Overview of the environmental advantages of the amine-free #4 based on an alternative acid and a permanent based, compared with the TEA-containing reference system #1 (see Table 2)En ligne : https://drive.google.com/file/d/1JWDWjgCJiQJCEZ1UuBPFFiZDP-rddP2W/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28557
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Code-barres Cote Support Localisation Section Disponibilité 18895 - Périodique Bibliothèque principale Documentaires Disponible
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Titre : Undercover influences : Primer colour modifies appearance of effect finishes in unexpected ways Type de document : texte imprimé Auteurs : Werner Rudolf Cramer, Auteur Année de publication : 2017 Article en page(s) : p. 56-60 Langues : Anglais (eng) Catégories : Couleur -- Analyse
Décoloration
Primaire (revêtement)
Revêtements -- Finition:Peinture -- Finition
Revêtements:Peinture
Rouge (couleur)
Vert
vision des couleursIndex. décimale : 667.9 Revêtements et enduits Résumé : The colour of an undercoat layer substantially affects the overall colour impression when the paint layer over it is translucent, as in automotive applications, where effect basecoats are used. The appearance of a red interference colour finish is found to be affected less by applying it over a complementary coloured (green) filler than over red, red-violet or grey. Note de contenu : - Some effects of colour mixing considered
- The nature of interference pigments
- How undercoats affect overall appearance of basecoats
- Measurement procedures and their limitations
- Effects of basecoat colour considered
- Evaluation of a commercial red shade effect coating
- Measurement procedures used
- How undercoat colours act on the effect coating
- Red undercoats give colour deviations with red effect coatings
- why an unconventional filler colour may be bestEn ligne : https://drive.google.com/file/d/1xVydwrZTIa_Yl3z6gmHWSUBD2etKNB3I/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28558
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Code-barres Cote Support Localisation Section Disponibilité 18895 - Périodique Bibliothèque principale Documentaires Disponible
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Titre : Food contact compliant defoaming : A new organo-modified silicone defoamer comound is effective in many application areas Type de document : texte imprimé Auteurs : Peter Bene, Auteur ; Andrea Schamp, Auteur Année de publication : 2017 Article en page(s) : p. 62-66 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Antimousse
Encre d'imprimerie
Formulation (Génie chimique)
Liants
Matériaux pour les industries agro-alimentaires
Organosilicones
Revêtements en bâtiment:Peinture en bâtimentIndex. décimale : 667.9 Revêtements et enduits Résumé : A new defoamer based on organo-modified silicones provides high defoaming efficiency even after storage at elevated temperatures. Test results show excellent performance across a wide range of binder and formulation types, in both grind stage (pigment concentrate) and final applications. This product is registered globally and has broad food contact compliance. Note de contenu : - Why foam forms and how it is stabilised
- Basic principles of defoaming
- Achieving defoaming without surface defects
- Defoamers compared in application and density tests
- Versatile performance in printing inks
- Good results in woodstain formulations
- Stable performance in architectural paintsEn ligne : https://drive.google.com/file/d/1EfajTRI457liTIhDElT5gPPWtKNUu8ye/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28559
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