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Deinkability of flexographic prints
After reading this article you will..
- know the problems which can occur in the deinkability of water-based print products.
Recycled fibre
- Legislation
- Sources and quality of paper for recycling
- Recyclability of paper and board products – Deinkability
- Recycling versus recyclability
- Technical aspects of recycling
- Relevance of recyclability
- Repulpability and deinkability
- Deinkability test methods
- EPRC deinkability assessment
- Deinkability of different printed products
- Removability of adhesive applications
- EPRC assessment on removability of adhesive applications in graphic paper products
- Unit operations and equipment in recycled fibre processing
- Design of processes
- Design principles for stock preparation processes
- Process design for graphical grades, news print
- Process design for tissue
- Process design for board and packaging grades
- Reject and Sludge handling for graphical and tissue applications
- Reject and Sludge handling for board and packaging applications
- Water management
- Additives
- Deinking
- Bleaching of deinked pulp
- Process water treatment
- Sticky control – detackification
- Enzymatic solution for recycled fibres
- Papermaking potential of recycled fibre
- Differences between virgin and recycled fibre
- Repeated (manifold) recycling experiments
- Multiple papermaking with recycled fibres
- Modelling of fibre age distribution
- Special request of recycled fibre furnish in papermaking
- Effects of recycled fibre in papermaking
- Challenges of increased recycled fibre utilisation
Authors & references
Author:
Dr.-Ing. Hans-Joachim Putz
Technische Universität Darmstadt
Fachgebiet Papierfabrikation und Mechanische Verfahrenstechnik (PMV)
References:
- Hornfeck, K., Liphard, M. and Schreck, B.: Grenzflächenuntersuchungen und anwendungstechnische Prüfungen zur Druckfarben- und Füllstoff-Flotation. Wochenbl. Papierfabr. 118 (1990) No. 21, p. 935-941
- Faul, A. and Putz, H.-J.: European deinkability survey of printed products. Wochenblatt f. Papierfabrikation 136 (2008) No. 11/12, p. 595-607
- INGEDE database, Bietigheim-Bissingen, Germany, 2020 (individual results not public)
- Fabry, B.: Task Force for the Development of a Solution to the Deinking of Water-based Ink Printed Papers. Project FR 0513 (INGEDE Project 114 06), July 2007
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Exercises
This page has been updated 27.11.2021
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