De-inking of thick film UV-cured coatings using high intensity ultrasound / A. N. Manning in SURFACE COATINGS INTERNATIONAL. PART B : COATINGS TRANSACTIONS, Vol. 87, B1 (02/2004)  

[article]  inSURFACE COATINGS INTERNATIONAL. PART B : COATINGS TRANSACTIONS > Vol. 87, B1 (02/2004) . - p. 21-26 Titre : De-inking of thick film UV-cured coatings using high intensity ultrasound Type de document : texte imprimé Auteurs : A. N. Manning, Auteur ; R. C. Thompson, Auteur Année de publication : 2004 Article en page(s) : p. 21-26 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Cavitation Couches épaisses Désencrage Papier -- Revêtements Sérigraphie Ultrasons Index. décimale : 667.9 Revêtements et enduits Résumé : The aim of this work was to investigate the use of high intensity ultrasound in the de-inking of papers printed with UV-cured inks. Thick ink films printed by screen process printing were subjected to 20kHz ultrasound. The effects of different exposure times were studied under conditions of neutral pH. The treatment resulted in the controlled breakdown and detachment of solid and halftone printings into particle sizes that could be removed by commercial flotation and washing methods. Note de contenu : - Solid printings - Halftone printing DOI : 10.1007/BF02699560 En ligne : https://link.springer.com/content/pdf/10.1007/BF02699560.pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=5478 [article]

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The impact of inks and coatings on fibre reclamation / R. C. Thompson in SURFACE COATINGS INTERNATIONAL, Vol. 81, N° 5 (05/1998)

[article]  inSURFACE COATINGS INTERNATIONAL > Vol. 81, N° 5 (05/1998) . - p. 230-233 Titre : The impact of inks and coatings on fibre reclamation Type de document : texte imprimé Auteurs : R. C. Thompson, Auteur Année de publication : 1998 Article en page(s) : p. 230-233 Note générale : Bibliogr. Langues : Anglais (eng) Tags : 'Pâte  papier'  Fabrication  'Vieux  Désencrage  Encre Index. décimale : 667.9 Revêtements et enduits Résumé : The pressures to recycle paper waste are great and are likely to increase. The search continues for better methods of de-inking, dispersing and collecting inks during fibre reclamation. Meanwhile new printing technologies are bringing new inks and presenting new challenges to the recycling technologist. The development and application of chemicals to overcome de-inking problems increase running costs. The development and addition of new plant increase capital costs ; these must be paid for. Additional chemical and mechanical operations degrade the fibre and reduce the number of times it may be recycled. No solution is perfect. However, perhaps costs could be reduced and the job of the recycling technologist mode easier if collaboration with ink manufacturers devising new ink formulations was made the norm. Note de contenu : - The de-inking process - Inks which are difficult to de-ink - Water-based flexo (and gravure) inks - UV cured inks and coatings - Non-impact inks Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=16633 [article]

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