B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
B05D 1/06 (2006.01) D21H 21/16 (2006.01) D21H 23/50 (2006.01)
Patent
CA 2666745
The application relates to a method for controlling contact area of a paper or board substrate (13) by depositing a trace amount of particles (11) on the surface of said substrate, and to a paper or board substrate treated in this way. The use of electrostatic deposition of coating materials, e.g. calcium stearate, alkyl ketene dimer (AKD) gives improved control on contact and surface characteristics. The particles are deposited in an amount ranging form 10-5 - 10° g/m2.
L'invention concerne un procédé permettant de contrôler la surface de contact d'un substrat de papier ou de carton grâce au dépôt de particules en quantité à l'état de traces sur la surface dudit substrat. L'invention concerne également un substrat de papier ou de carton traité conformément audit procédé. L'utilisation du dépôt électrostatique de matériaux de revêtement améliore le contrôle sur les caractéristiques du contact et de la surface.
Backfolk Kaj
Heiskanen Isto
Ridout & Maybee Llp
Stora Enso Oyj
LandOfFree
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