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The right dose for the right cure / Xavier Drujon in EUROPEAN COATINGS JOURNAL (ECJ), N° 5 (05/2020)

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inEUROPEAN COATINGS JOURNAL (ECJ) > N° 5 (05/2020) . - p. 18-23

Titre :	The right dose for the right cure : Effect of acrylate monomer and oligomer selection on the properties of cured coatings
Type de document :	texte imprimé
Auteurs :	Xavier Drujon, Auteur
Année de publication :	2020
Article en page(s) :	p. 18-23
Note générale :	Bibliogr.
Langues :	Anglais (eng)
Catégories :	Copolymère uréthane acrylate Monomères Oligomères Revêtements -- Propriétés chimiques Revêtements anti-adhésifs -- Séchage sous rayonnement électronique Revêtements anti-adhésion -- Séchage sous rayonnement ultraviolet Revêtements organiques
Index. décimale :	667.9 Revêtements et enduits
Résumé :	UV is by far the most common source of radiation-curing energy, and is widely used for coatings on heat-sensitive substrates. It has expanded significantly into a multiplicity of other applications, this expansion being driven by performance, economics and environmental considerations. However, EB technology can be more relevant in some high-speed and high-volume applications and can be expected to contribute substantially to the growth of radiation curing in the future.
Note de contenu :	- EB to boost growth of radiation curing - Experimental : Raw materials - Equipment and method - Reactivity - Solvent resistance - Higher voltage is better - Hardness - Double-bond conversion unexpectedly lower - EB and UV curing of ethoxylated TMPTAS - Hardness tails off under UV - Fig. 1a : EB curing of UA3 (f=6) under an applied voltage of 80 kV and varying dose - Fig. 1b : EB curing of UA2 (f=2) under and applied voltage of 80 kV and varying dose - Fig. 2 : Hardness (Persoz) of various UAs as a function of diluting monomer and type of cure - Fig. 3 : Hardness as a function of the wt% ethoxy in the monomer for 60/40 UA5/TMPX(EO)TA blends cured by EB and UV - Table 1 : Acrylate-functional monomers - Table 2 : Acrylate-functional urethane acrylate oligomers - Table 3 : Cure of UA3 (f=6) with a dose of 30 kGy under different voltages - Table 4 : DMA and FTIR analysis of UA4/HDDA films cured by UV and EB
En ligne :	https://drive.google.com/file/d/1qZ0Hhncpnue3mOGsHUOs1fKZDf4bgjaS/view?usp=drive [...]
Format de la ressource électronique :	Pdf
Permalink :	https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34172

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