Roll-to-roll processed nanocellulose coatings for barriers applications

Vinay Kumar, Axel Elfving, Hanna Koivula, Douglas Bousfield, Martti Toivakka

Forskningsoutput: Kapitel i bok/konferenshandlingKonferensbidragVetenskapligPeer review

Sammanfattning

Processing • Complex Theological behavior of CNF suspensions is used to help process them into uniform coating layers • The coating apparatus fluidizes the material and thereby enables application of thick and uniform CNF coatings • Addition of CMC was found useful for improving the coatability of CNF suspensions by way of improving the water retention and modifying the low shear rheology. Mechanical properties • CNF coating improves the strength properties to some extent even at very low coat weights. Barrier properties • The improvement in barrier properties of CNF coated paperboards with increasing coating thickness was substantial • CNF-coated paperboards demonstrated excellent barrier against air, heptane vapor, grease and mineral oil • WVTR also improved significantly with the CNF coating • Coating at higher CNF concentrations, and the impact of substrate and CNF type on the coating process will be addressed in future work.

OriginalspråkEngelska
Titel på värdpublikationTAPPI International Conference on Nanotechnology for Renewable Materials 2016
FörlagTAPPI Press
Sidor615-623
Antal sidor9
ISBN (elektroniskt)9781510828001
StatusPublicerad - 2016
MoE-publikationstypA4 Artikel i en konferenspublikation
EvenemangTAPPI International Conference on Nanotechnology for Renewable Materials 2016 - Grenoble, Frankrike
Varaktighet: 14 juni 201616 juni 2016

Publikationsserier

NamnTAPPI International Conference on Nanotechnology for Renewable Materials 2016
Volym2

Konferens

KonferensTAPPI International Conference on Nanotechnology for Renewable Materials 2016
Land/TerritoriumFrankrike
OrtGrenoble
Period14/06/1616/06/16

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