Innovative Technologies For Making Improved Paper Out Of The Poorest Fibers, 2016 Pulping, Engineering, Environmental, Recycling, Sustainability (PEERS) Conference Proceedings
The Papermorphosis®- technology, consisting in 2 novel UNITS for separately increasing CD and MD elongation over purely mechanical processes, has been successfully tested on recycling fiber, reaching high elongation values in each direction of over 15% in CD or 20% in MD. Increase of elongation has also had a positive influence on the relative TEA-values in CD and MD. It is well known that mechanical properties in paper basically depend on fiber choice, head box properties and refining. By the novel system, elongations in cross direction (CD) and machine direction (MD) can be individually customized even in paper grades with lower strength deriving from recycled fiber. Adding elongations also has the effect of improving or better balancing TEA values in both directions. The aim is to improve existing recycling papers and to broaden the use of recycling fiber respect to the past.
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