An affordable alternative to conventionally painted parts / Jochen Mitzler in KUNSTSTOFFE INTERNATIONAL, Vol. 104, N° 10 (10/2014)  

[article]  inKUNSTSTOFFE INTERNATIONAL > Vol. 104, N° 10 (10/2014) . - p. 85-88 Titre : An affordable alternative to conventionally painted parts : Polyurea lacquers permit the production of flawless surfaces in a combined injection molding and reaction process Type de document : texte imprimé Auteurs : Jochen Mitzler , Auteur ; Matthias Dykhuis, Auteur ; Thomas Moch, Auteur ; Ralf Gerndorf, Auteur Année de publication : 2014 Article en page(s) : p. 85-88 Langues : Anglais (eng) Catégories : Laque et laquage Matières plastiques -- Moulage par injection Matières plastiques -- Revêtement:Matières plastiques -- Peinture Polyurée Résistance à l'abrasion Résistance aux conditions climatiques Revêtements bi-composant Revêtements dans le moule:Peinture dans le moule Index. décimale : 668.4 Plastiques, vinyles Résumé : The so-called ColorForm process combines injection molding and painting, which are separate operations in the conventional technique, into a one-step process. This results in a variety of quality and cost advantages. The completely solvent-free and release-agent-free paint systems used for this purpose are available in almost all conceivable color combinations and have successfully withstood all the relevant tests for use in large series. Note de contenu : - Combining injection molding and reaction technology in one step - Two-component lacquer with unique features - Robust processing - scratchproof, wind and weather-resistant - Properties and colors can be tailored for resource conservation - Lettering, graphic elements and textures En ligne : https://drive.google.com/file/d/106_fowAmqnaZaG3_IKv04eDG94QemBpq/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=22353 [article]

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An introduction to industrial metal finishing : Part II / Graham Armstrong in SURFACE COATINGS INTERNATIONAL, Vol. 105.3 (05-06/2022)  

[article]  inSURFACE COATINGS INTERNATIONAL > Vol. 105.3 (05-06/2022) . - p. 218-220 Titre : An introduction to industrial metal finishing : Part II Type de document : texte imprimé Auteurs : Graham Armstrong, Auteur ; Stuart Hanson, Auteur ; Steve Hobbs, Auteur Année de publication : 2022 Article en page(s) : p. 218-220 Langues : Anglais (eng) Catégories : Application par aspersion Dépôt électrolytique Echangeur de chaleur interne Laque et laquage Métaux -- Revêtements protecteurs Pulvérisation électrostatique Revêtement -- Séchage:Peinture -- Séchage Revêtements poudre:Peinture poudre Index. décimale : 667.9 Revêtements et enduits Résumé : In part 1 of this introduction to metal finishing, the focus was on the spray application of liquid lacquers and paints. This second part focuses on other application techniques and the 'drying process'. Note de contenu : - Dipping and flow coating - Electrocoat process - Roller and curtain coating - Powder coating - Drying and curing - The coating process - Fig. 1 : Heat exchangers (such as shown above) may be coated with a stoving epoxy varnish by a manual flow coating process.The exchanger is hung over the flow coating tank containing the varnish and the coating is'flowed'through the body of the exchanger using a hose. The excess paint drains off through a filtration process and back into the holding tank - Fig. 2 : A powder coating, a mixture of white pigment and resin, is applied using an electrostatic gun onto grounded parts - Fig. 3 : Applicator wearing personal protective equipment while applying a powder coating to metal details in a booth - Fig. 4 : Powder coated parts in an oven En ligne : https://drive.google.com/file/d/1mvmhL0XTQ36LbqqAxhCpD1F40bArL-IV/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=37659 [article]

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Application of UV coatings in different industries / Ruhee Anil Gharat in PAINTINDIA, Vol. LXXIII, N° 6 (06/2023)  

[article]  inPAINTINDIA > Vol. LXXIII, N° 6 (06/2023) . - p. 52-68 Titre : Application of UV coatings in different industries Type de document : texte imprimé Auteurs : Ruhee Anil Gharat, Auteur ; Shashikiran Shetty, Auteur Année de publication : 2023 Article en page(s) : p. 52-68 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Acrylates Les monomères acrylates sont un groupe d'esters faisant partie des vinyles, car renfermant une double liaison carbone-carbone et sont utilisés pour former des polyacryliques qui ont de multiples usages. Automobiles -- Carrosseries Automobiles -- Eclairage Bois -- Revêtements Diluants Electronique -- Matériaux Encres d'imprimerie -- Propriétés chimiques Joints d'étanchéité Laque et laquage Lentilles (optique) Matières plastiques -- Revêtement Métaux -- Revêtements Oligomères Polyaddition Revêtements -- Propriétés mécaniques Revêtements -- Séchage sous rayonnement ultraviolet Revêtements organiques Roues Index. décimale : 667.9 Revêtements et enduits Résumé : TUV-curable process is widely used for paints, inks, coatings and adhesives due to its rapid curing, low energy consumption, high efficiency and low volatile organic compounds (VOCs). This paper will introduce the basics of UV curing and discuss briefly about few of its application in different industries Note de contenu : - UV curing basics - Free radical polymerization - Cured speed - UV-curable raw materials : Acrylate oligomers - Acrylate monomers - UV-curable coatings : Coatings basics - Application of UV curable coatings in the wood industry - Radiation curable resins (oligomers) for wood coatings - Radiation curable diluent (monomers) for wood coatings - UP topcoat - Type of acrylic UV curing lacquers for wood finishing - UV topcoat Mechanical propertie of cured films, which can be affected by the wood substrate : Hardness - Adhesion - Applicationof UV curable coatings in the metal industry - Benefits of UV coating for metal - Application of UV curable coatings in the plastic industry - Application of UV curable coatings in the automotive industry - Advantages - Headlamp lenses - Lighting reflector housings - Acrylic tail lens - Exterior body components - Electronics - Gasketing - Under-hood components - Interior coatings and inks - Wheels En ligne : https://drive.google.com/file/d/17y-UEdUjVoG0Ann88SRFBkMS0C-6ClSu/view?usp=share [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=39934 [article]

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Characteristics of urushi film prepared through thermal polymerization / Chieko Narita in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 20, N° 4 (07/2023)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 20, N° 4 (07/2023) . - p. 1299-1310 Titre : Characteristics of urushi film prepared through thermal polymerization Type de document : texte imprimé Auteurs : Chieko Narita, Auteur ; Yoko Okahisa, Auteur ; Saori Kitaguchi, Auteur ; Kazushi Yamada, Auteur Année de publication : 2023 Article en page(s) : p. 1299-1310 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Analyse spectrale Analyse thermique Angle de contact Biopolymères Colorimétrie Laque et laquage Laque japonaise Mesure Microscopie électronique à balayage Polymérisation thermique Revêtements -- Propriétés mécaniques Rugosité Index. décimale : 667.9 Revêtements et enduits Résumé : Urushi (oriental lacquer) is a natural material that forms thin films with excellent durability and water resistance. There are two methods for curing urushi: oxidative and thermal polymerizations. Urushi is mainly applied to wood; therefore, the oxidative polymerization method has mainly been used to cure it. Oxidative polymerization requires temperature and humidity control and takes a long time to fully cure urushi. Urushi mixed with pigments has poor coloration. In contrast, the use of a thermal polymerization reaction can achieve curing in a short time. In this study, we focused on the thermal curing reaction of urushi, formed 13 different colored urushi coating films, and investigated their properties and coloration. We observed that urushi coatings produced through thermal polymerization took less time to cure than those produced through oxidative polymerization, and that urushi coatings with better coloration and high water repellency were obtained. Note de contenu : - EXPERIMENTAL : - Materials and preparation of samples - Measurement methods - RESULTS AND DISCUSSION : - FTIR spectroscopy - DSC - Color measurements - UV–visible spectroscopy - SEM observation - Surface roughness and contact angle - Mechanical properties - Table 1 Correspondence table between pigments and sample name - Table 2 L*, a*, b*, and C* values of all samples measured using SCI and SCE modes - Table 3 Surface roughness of the samples G, K, and M obtained via laser microscopy DOI : https://doi.org/10.1007/s11998-022-00745-4 En ligne : https://link.springer.com/content/pdf/10.1007/s11998-022-00745-4.pdf?pdf=button% [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=39717 [article]

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Characterization of a lacquer film formulated with phosphating reagents for corrosion protection of galvanized substrates / S. Feliu in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 1, N° 2 (04/2004)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 1, N° 2 (04/2004) . - p. 93-102 Titre : Characterization of a lacquer film formulated with phosphating reagents for corrosion protection of galvanized substrates Type de document : texte imprimé Auteurs : S. Feliu, Auteur ; V. Barranco, Auteur Année de publication : 2004 Article en page(s) : p. 93-102 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Caractérisation Chimie -- Essais et réactifs Fluorures Laque et laquage Nitrites Phosphatation Revêtements protecteurs Spectroscopie des rayons X Index. décimale : 667.9 Revêtements et enduits Résumé : This paper analyzes the chemical composition of the interface resulting from the application of an organic coating (lacquer) containing phosphating reagents on galvanized steel, galvanneal, and galfan substrates and its stability after short periods of exposure to condensing humidity and UV light (UVCON test). X-ray photoelectron spectroscopy (XPS) has shown that the lacquer drying process gives rise to a number of discontinuities on the lacquer surface (pores), exposing the phosphate layer formed on the original metallic coating surface. It is interesting to note the detection of fluoride and nitrite ions and phosphoric acid not combined with zinc (perhaps as HPO42- and H2PO4-) on the lacquered surfaces before testing, which suggests a tendency of these species to concentrate on the outer surface of the phosphate layer or at the lacquer-phosphate layer interface (in zones covered by the lacquer). After one day of exposure to the UVCON test, XPS reveals the disappearance of the fluoride and nitrite ions and of the free phosphoric acid. After 15 days of exposure to the UVCON test, the carbon content is seen to have decreased considerably, while the zinc, phosphorus, and titanium contents have risen. The low atomic percentages of carbon (only moderately higher than those obtained with the coatings in bare state) and Zn/P atomic ratios close to 1.5 suggest the removal of a very substantial percentage of the lacquer, leaving the zinc phosphate formed on the surface of the different metallic coatings exposed. This quick and significant drop in the lacquer content barely seems to have a repercussion on the degradation of the metallic substrate during the UVCON test, since its visual aspect remains unaltered. DOI : 10.1007/s11998-004-0003-5 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-004-0003-5.pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3954 [article]

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Chimie organique / Karl Winnacker / Paris : Editions Eyrolles (1969)

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Chrome or not chrome ? / Sabine Kob in KUNSTSTOFFE INTERNATIONAL, Vol. 107, N° 10 (10/2017)  

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A coating concept for shrink films / Stefan Schiessl in PLASTICS INSIGHTS, Vol. 113, N° 8 (2023)  

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Comparative performance of water soluble lac varnishes using different alkalis / P. M. Patil in PAINTINDIA, Vol. LVIII, N° 12 (12/2008)

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Effect of urea and thourea on the performance of water soluble lac varnishes in PAINTINDIA, Vol. LX, N° 1 (01/2010)

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Emulsion polymers in leather finishing / Mortimer Greif in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXII (Année 1977)  

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Extraction of polyphenolic substances from bark as natural colorants for wool dyeing / Christa Fitz-Binder in COLORATION TECHNOLOGY, Vol. 135, N° 1 (02/2019)  

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Finition de l'acier par laquage et thermolaquage / Union des métallier - FFB / Paris : SEBTP (2006)

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Functional fillers in UV curing wood coatings / Hubert Oggermüller in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 203, N° 4591 (12/2013)  

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Growing greener lacquers / Joel Neale in EUROPEAN COATINGS JOURNAL (ECJ), N° 9 (09/2013)  

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Impression pigmentaire / Alex Zogu in L'INDUSTRIE TEXTILE, N° 1319 (04/2000)

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Improvement of barrier properties of Cr-free pretreatments for coil-coated products / Ville Saarimaa in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 12, N° 4 (07/2015)  

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In-situ phosphatizing coatings I : an air-dried lacquer system / Chaochua Wang in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 71, N° 892 (05/1999)

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In the world of wood - 2 / Mukund Hulyalkar in PAINTINDIA, Vol. LXXI, N° 8 (08/2021)  

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Influence of finishing on the flammability of leather / Gong Ying in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 91, N° 5 (09-10/2007)  

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