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New generation inks / Andre Fuchs in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 195, N° 4485 (02/2005)
[article]
Titre : New generation inks Type de document : texte imprimé Auteurs : Andre Fuchs, Auteur ; Thomas Bolle, Auteur ; Stephan Ilg, Auteur ; Rinaldo Husler, Auteur Année de publication : 2005 Article en page(s) : p. 29-34 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Encre
Encre -- Séchage sous rayonnement ultraviolet
Encre flexographique
Encre jet d'encre
Offset (imprimerie)
Photoamorceurs (chimie)
Réticulation (polymérisation)
VernisIndex. décimale : 667.4 Encres Résumé : How the availability of new photoinitiators is resulting in the more efficient curings of inks ?
Today, UV-curable systems are well established in numerous graphic art applications such as inks and overprint varnishes. In addition, promising new application areas, for instance UV inkjet, were developed in the recent years. The availability of efficient photoinitiators is essential for the progress of UV technology, since reactivity directly influences speed and stability if the production process.
High photoinitiator reactivity is vital for a high conversion degree of the binder molecules at a very high cure rates ; this in turn directly influences the resistance properties and the migration behaviour of the cured inks and varnishes. Low volatility, low odour and migration are required to meet increasingly stringent legal restrictions, in particular for food packaging.Note de contenu : - EXPERIMENTAL : UV absorption spectra - Thermogravimetric measurements - Solubility
- INKS AND OVERPRINT VARNISHES OPV : OPV - Offset ink - Flexo ink - Screen ink - Inkjet ink
- PHOTOINITIATORS
- RESULTS AND DISCUSSION : Overprint varnish (OVP) - Offset ink - Flexo ink - Screen ink - Inkjet ink - The futurePermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27655
in POLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 195, N° 4485 (02/2005) . - p. 29-34[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 000287 - Périodique Bibliothèque principale Documentaires Disponible New medical-grade PSAs expected to stick / Maurice Bowtell in ADHESIVES AGE, Vol. 42, N° 5 (05/1999)
[article]
Titre : New medical-grade PSAs expected to stick : Research indicates plasters perform as well as conventional skin dressings, but are more user friendly Type de document : texte imprimé Auteurs : Maurice Bowtell, Auteur Année de publication : 1999 Article en page(s) : p. 12-14 Langues : Américain (ame) Catégories : Adhésifs à usages médicaux
Adhésifs sensibles à la pression
Copolymère méthacrylate d'hydroxyéthyle méthacrylate de méthyle
Droit européen -- Législation
Oxydation thermique
Pansements
Pelage
Photoamorceurs (chimie)
Polyacryliques
Radicaux libres (chimie)
Réticulation (polymérisation)
solvantsIndex. décimale : 668.3 Adhésifs et produits semblables Note de contenu : - Peel strengths
- Irgacure 784
- New thermal oxidizer destroys VOC emissions at babcock wanson plant
- Two-tower construction
- "Solutions for the futur"
- European solvent emissions directive
- Responsible careEn ligne : https://drive.google.com/file/d/1w_bfMAgOTG1kvk5_Q1SYL1nwdCwZ_65x/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=20108
in ADHESIVES AGE > Vol. 42, N° 5 (05/1999) . - p. 12-14[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 001443 - Périodique Bibliothèque principale Documentaires Disponible New methacrylates match two-part urethane and epoxy performance / Paul Morganelli in ADHESIVES AGE, Vol. 41, N° 6 (06/1998)
[article]
Titre : New methacrylates match two-part urethane and epoxy performance Type de document : texte imprimé Auteurs : Paul Morganelli, Auteur ; Haitao Cheng, Auteur Année de publication : 1998 Article en page(s) : p. 22-25 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Adhésifs -- Propriétés mécaniques
Colles:Adhésifs
Essais de pelage
Matériaux -- Fatigue
Matières plastiques -- Collage
Polyméthacrylates
Résistance au chocs
Réticulation (polymérisation)Index. décimale : 668.3 Adhésifs et produits semblables Résumé : The development of a new methacrylate adhesive offers an excellent alternative to two-component epoxy and urethane adhesives. Physical properties, adhesion to plastics and metal, and environmental durability are comparable or, in many cases, superior. Performance surpasses that of typical second generation adhesives, offering increased peel adhesion and improved impact resistance at low temperatures. Good fatigue resistance was observed up to one million cycles, with fatigue limits in excess of 1,200 psi. As such, the new mathacrylate is expected to become a proven performer in structural marine and transportation applications. Note de contenu : - Application and cure
- Physical properties of cured adhesives
- Adhesion to plastics
- Environmental resistance and impact resistance
- Fatigue resistanceEn ligne : https://drive.google.com/file/d/1NmtWW0dcZr1ZlDAAFOOzYB0JQMpFnBIi/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=20296
in ADHESIVES AGE > Vol. 41, N° 6 (06/1998) . - p. 22-25[article]Exemplaires (1)
Code-barres Cote Support Localisation Section Disponibilité 001434 - Périodique Bibliothèque principale Documentaires Exclu du prêt New photoinitiating systems designed for polymer/inorganic hybrid nanocoatings / Yusuf Yagci in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 9, N° 2 (03/2012)
[article]
Titre : New photoinitiating systems designed for polymer/inorganic hybrid nanocoatings Type de document : texte imprimé Auteurs : Yusuf Yagci, Auteur Année de publication : 2012 Article en page(s) : p. 125-134 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Argile
Matériaux hybrides
Métaux
Photoréticulation
Réticulation (polymérisation)
RevêtementsIndex. décimale : 667.9 Revêtements et enduits Résumé : Conventional UV-curable formulations consist of photoinitiators, multifunctional monomers and oligomers, reactive diluents, pigments, and additives. While photoinitiators are the key components of the formulations and responsible for the absorption of light and relevant performances (e.g., cure speed, high-percent conversion, etc.), the final properties of the cured coating are governed by the other high-volume components. With recent advances in the use of nanomaterials like metals, metal oxides, and silicates in coatings, it is now possible to prepare nanocoatings with enhanced physical, chemical, and biological properties. This is due, in part, to the difference in surface area per unit of volume at the nanoscale. Nanocoatings are usually prepared by UV irradiation of formulations containing dispersed nanoparticles. However, the homogeneous dispersion of these nanoparticles is a key challenge due to their easy agglomeration arising from their high surface-free energy. It is often difficult to obtain well-dispersed formulations providing good transmission of light for a complete cure. In this article, we report several synthetic methodologies for the preparation of epoxy and (meth)acrylate-based nanocoatings containing clay or metal nanoparticles. In the former case, photolysis of intercalated photoinitiator within the layers of montmorillonite clay in the presence of monomers resulted in the in situ formation of exfoliated structures. For the preparation of metal nanocoatings, the formation of silver or gold nanoparticles and crosslinking are accomplished simultaneously by photoinduced electron transfer and polymerization processes. The nanoparticles are homogenously distributed in the network without macroscopic agglomeration. Applicability to both free radical and cationic systems is demonstrated. Moreover, a novel photochemical route for grafting from the self-assembled monolayers on gold is presented. Note de contenu : - Clay/polymer nanocomposites by photochemical processes
- Direct photoinitiation
- Intercalation of photopolymerizable monomer by "click chemistry"
- Photoinduced-activated monomer polymerization
- Metal/polymer nanocomposites by photochemical processes
- Metal oxide/polymer hybrid nanocomposites by photochemical processes
- Photoinduced nano grafting from SAMs on goldDOI : 10.1007/s11998-009-9219-8 En ligne : https://link.springer.com/content/pdf/10.1007/s11998-009-9219-8.pdf?pdf=button Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=14362
in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 9, N° 2 (03/2012) . - p. 125-134[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 14096 - Périodique Bibliothèque principale Documentaires Disponible New UV polymerisation / Jeffrey K. Okamitsu in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 195, N° 4490 (07/2005)
[article]
Titre : New UV polymerisation Type de document : texte imprimé Auteurs : Jeffrey K. Okamitsu, Auteur ; Rong Bao, Auteur ; Sonny Jonsson, Auteur Année de publication : 2005 Article en page(s) : p. 28-32 Langues : Anglais (eng) Catégories : Polyaddition
Rayonnement ultraviolet
Réticulation (polymérisation)Index. décimale : 667.9 Revêtements et enduits Résumé : The authors explain how a process for free radical UV polymerisation results in reduced premature termination and enhanced properties of UV cured films.
With a free-radical UV chemistry, a UV curing process utilising lamps that supply constant UV, obtained via the use of DC poxwer supplies, yields higher double bond conversion than lamps that supply pulsed UV, obtained by using AC power supplies. This increase in double bond conversion, even if relatively small, can yield significant enhancement of physical properties in the final cured coating, ink, or adhesive. This effect presents a significant improvement in the state-of-the art in UV curing and as a result Fusion UV has been granted US patent 6,908,586 B2 on the process of using constant UV (DC power supply) when curing free-radical chemistries.Note de contenu : - The UV polymerisation process
- The premature termination and the affect of AC Power Supplies
- Experimental resultsPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27634
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Code-barres Cote Support Localisation Section Disponibilité 002357 - Périodique Bibliothèque principale Documentaires Disponible PermalinkNon-isocyanate, low-VOC urethane resins / Jim Huntley in EUROPEAN COATINGS JOURNAL (ECJ), N° 12/95 (12/1995)
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PermalinkA novel chromium-free tanning process based on in-situ melamine-formaldehyde oligomer condensate / Xue Bai in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CVIII, N° 11 (11/2013)
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PermalinkParallel measurements and engineering simulations of conversion, shear modulus, and internal stress during ambient curing of a two-component epoxy coating / Qiong Li in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 19, N° 5 (09/2022)
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