Teknologian Tutkimuskeskus Vtt Oy

Stora Enso Oyj

Aalto University Foundation Sr

Teknologian Tutkimuskeskus Vtt

Vesa Kunnari

Riku Pihko

Jaakko Pere

Isto Heiskanen

Jukka Kankkunen

Hannu Mikkonen

Monika Österberg

Jaakko Hiltunen

Tekla Tammelin

Pekka Ahtila

Jari Vartiainen

Katariina Kemppainen

Soili Peltonen

Tuomas Hänninen

Matti Kairi

Maria Soledad Peresin

Leena-Sisko Johansson

Tero Malm

Otto-Ville Kaukoniemi

Tuomas HÄNNINEN

Soledad Peresin

Anne Kallioinen

Anna Suurnäkki

Disclosed is a method for treating wood veneer, including the steps of providing at least one sheet of wood veneer; coating at least one side of the sheet of wood veneer with an aqueous coating composition including nanocellulose to obtain a coated sheet of wood veneer; and drying the coated sheet using compression pressure and heat. Also disclosed is a coated wood veneer including a sheet of wood veneer and a coating including nanocellulose arranged on at least one surface of the sheet.

Coated wood veneer and method for treating wood veneer

According to an example aspect of the present invention, there is provided a cost-effective method of producing cellulose based films by introducing an intense water removal system to the process, and cellulose based films thereof having improved properties.

Cellulose based film structure and method for producing the same

The present invention relates to a method for dewatering a web comprising microfibrillated cellulose, wherein the method comprises the steps of: providing a suspension comprising between 50 weight-% to 100 weight-% of microfibrillated cellulose based on total dry weight, forming a fibrous web of said suspension on a support wherein said web has a dry content of 1-25% by weight, applying a dewatering felt into direct contact with the fibrous web, conducting said fibrous web, arranged between said dewatering felt and said substrate, through a pressing equipment. The invention further relates to a film produced from said method.

Method for dewatering a web comprising microfibrillated cellulose and a film produced from the dewatered web

According to an example aspect of the present invention, there is provided a non-toxic bio-based fire-retardant composition and fire-protective coating comprising high consistency nanofibrillated cellulose together with mineral component(s).

Fire-retardant composition and coating

The present invention relates to a method for the production of a film comprising microfibrillated cellulose, wherein the method comprises the steps of; providing a suspension comprising between 70 weight-% to 100 weight-% of microfibrillated cellulose based on total dry weight, forming a fibrous web of said suspension, drying the web in a drying equipment wherein the web is at least partly dried at a drying rate above 75 kg(HO)/m/h by use of hot air whereby a film is formed. The invention also relates to a film produce according to the method and a paper or paperboard substrate comprising said film.

Method for the production of a film comprising microfibrillated cellulose, a film and a paper or paperboard product

According to an example aspect of the present invention, there is provided a method of producing films from nanocellulose based raw materials having high consistency and thereby providing low energy consuming and feasible manufacturing process of CNF films and film materials.

Method of producing films from high consistency enzyme fibrillated nanocellulose

The present invention relates to a continuous roll-to-roll process for improving the water tolerance of bio-based polymers, in particular cellulose nanofibrils (CNF) films. Furthermore, the invention provides a method, which combines surface modification/functionalization for improving water stability and wet strength, UV/Ozone treatment, corona treatment or plasma activation for purifying and activating the surface and thus increasing the reaction efficiency, and further hydrophobization of the surface of CNF film.

Method for improving the water tolerance of bio-based CNF-films

Document discloses new technologies for utilizing cellulose based materials in composites and electrically functionalized structures, such as energy storage devices. The object of the invention is achieved by means of high consistency fibrillated cellulose with at least one functional additive. This high consistency mixture is processed to form the composite structure having a shape and then dried or let to dry.

Cellulose based functional composites, energy storage devices and manufacturing methods thereof

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Espoo, Finland

Vesa Kunnari