Abstract: The present invention is directed to fluff pulp having a Kappa number in the range of from 5 to 18 and having, when in the form of a dry sheet, ISO brightness in the range of from 30 to 60% and having a specific volume in the dry defibrated state of at least 19 dm3/kg and having absorption time in the range of from 2 to 4 seconds.

Abstract: The invention discloses a container for the packaging of compositions comprising water water-in-oil (W/O) emulsions and/or oil-in-water (O/W) emulsions, which container comprises a tube-formed body made from a paperboard comprising a fiber based substrate comprising a first ply forming a back ply, a second ply forming a top ply and a third ply forming at least one middle ply, wherein the fiber based substrate comprises CTMP. The compositions comprising W/O or O/W emulsions may be semi-solid compositions. The invention solves the problem of delamination of the multi-ply board connected to prior art solutions. In addition, the container provides the specific barriers needed to pack compositions comprising W/O- or O/W-emulsions. It further provides the required flexibility yet rigidity to be used in such tube-formed containers.

Abstract: The present invention relates to a method for producing a paperboard comprising the steps of; providing a furnish comprising cellulosic fibers, applying the furnish on at least one wire to form a web, dewatering the web on said at least one wire by subjecting the web to a pressure above 150 kPa without the use of a press roll nip and thereafter pressing the dewatered web to form a paperboard. The invention also relates to a paperboard and a corrugated board.

Abstract: A biodegradable packaging material, a method of manufacturing the same, as well as products made of the material wherein the manufacture comprises extrusion onto a fibrous substrate one or more polymer coating layers including at least one layer of a polymer blend consisting of (i) 20-95 wt-% of polylactide having a high melt index of more than 35 g/10 min (210° C.; 2.16 kg), (ii) 5-80 wt-% of polybutylene succinate (PBS) or a biodegradable derivate thereof, and (iii) 0-5 wt-% of one or more polymeric additives. The components of the blend are melted and blended in connection with the extrusion step. The goal is to improve extrudability, increase machine speed in extrusion and maintaining good adhesiveness to the substrate and good heat-sealability of the coating. The products include disposable drinking cups and board trays, as well as sealed carton packages for solids and liquids.

Abstract: The present invention relates to a genetic construct comprising a nucleic acid sequence encoding cytokinin biosynthetic isopentenyl-transferase enzyme (IPT) operable linked to a promoter allowing expression of said nucleic acid sequence in cambial cells. The invention relates also a method for producing a transgenic plant capable of increased biomass production and/or increased stem volume growth compared to wild type plant and a method for improving the production of biomass and/or increased stem volume growth in trees, as well as to a tree that over expresses an endogenous or exogenous nucleic acid sequence encoding IPT in cambial cells and a wood product obtainable from the transgenic tree.

Abstract: The present invention relates to the use of a bonding resin prepared by providing an aqueous solution comprising at least one biobased product selected from tannin, starch, soy protein, glycerol, chitin, pectin, dextrose or other carbohydrates, or a mixture thereof and mixing the aqueous solution with one or more of certain crosslinkers such as ethers, and optionally one or more additives. The bonding resin is used in the manufacture of laminates, mineral wool insulation or wood products, such as engineered wood products, such as plywood, oriented strandboard (OSB), laminated veneer lumber (LVL), medium density fiberboards (MDF), high density fiberboards (HDF) or particle boards. Preferably, the bonding resin does not comprise lignin.

Abstract: The present invention relates to a paper or paperboard substrate having barrier properties, which substrate comprises a single or multiply structure with e.g. a top ply, a middle ply and a bottom ply, wherein at least one of said top ply and said bottom ply is provided with a high-density bio-barrier layer, and wherein said top or bottom ply provided with the high-density bio-barrier layer and said top or bottom ply not provided with the high-density bio-barrier layer have both been subjected to grafting with a fatty acid halide.

Abstract: The invention relates to a method for applying starch to a paper or paperboard web, the method comprising the steps of: providing an aqueous suspension comprising starch particles and at least 1 wt %, based on the dry solid content of the suspension, of an amphiphilic polymer, creating a foam of the aqueous suspension, and applying the foam to the paper or paperboard web. The invention further relates to a paper or paper board product obtained by the method.

Abstract: The present invention relates to a process for preparing a bonding resin, lignin in solid form or in the form of a dispersion in water is mixed with a crosslinker; and optionally one or more additives followed by addition of a basic solution. The bonding resin is useful for example in the manufacture of laminates, mineral wool insulation and wood products such as plywood, oriented strandboard (OSB), laminated veneer lumber (LVL), medium density fiberboards (MDF), high density fiberboards (HDF), parquet flooring, curved plywood, veneered particleboards, veneered MDF or particle boards, laminates or mineral wool insulation.

Abstract: The invention discloses a corrugated packaging material with a low weight and high strength properties, which material can be recycled with the office paper recycling stream. The corrugated packaging material of the invention exhibits good strength and stiffness properties, a low wash board tendency and provides a good printing surface.

Abstract: A method for the production of a fibrous product from a fibrous web, wherein the method comprises the steps of: providing a fibrous suspension comprising native microfibrillated cellulose, wherein the content of the microfibrillated cellulose of said suspension is in the range of 40 to 99.9 weight-% based on total dry solid content, said fibrous suspension further comprising organic acid, a metal salt or a mixture thereof, wherein the amount of organic acid, metal salt or mixture thereof is at least 2 weight-% based on total dry solid content of the suspension, —said fibrous suspension also comprising an uncharged, amphoteric or weakly cationic polymer having a molecular weight of at least 50000 g/mol, —said fibrous suspension also comprising an anionic polymer having a molecular weight of at least 10000 g/mol to said suspension, —providing said suspension to a substrate to form a fibrous web, wherein the amount of uncharged, amphoteric or weakly cationic polymer in said suspension is in the range of 0.

Abstract: A method of manufacturing a paper or paperboard with improved printing properties, which method comprises the steps of, providing a paper or paperboard substrate, comprising cellulosic fibres, providing a coating composition comprising a mixture of an esterified or etherified starch and a inorganic mineral; and coating at least one surface of said substrate with at least one layer of said coating composition.

Abstract: The present invention relates to a method for production of product comprising a first ply, the method comprising the steps of: providing a fibrous suspension comprising fibers; providing said fibrous suspension to a porous medium to form a substrate comprising fibers; providing a first additive suspension comprising a first strengthening agent, wherein the first strengthening agent is microfibrillated cellulose; providing a second additive suspension comprising at least one retention agent and/or at least one drainage agent; dewatering said substrate on said porous medium; performing additive addition to said substrate during said dewatering of said substrate on said porous medium, wherein the additive addition is performed when the substrate has a dry content of less than 20 weight-%, preferably less than 10 weight-%, most preferably less than 7 weight-%, and wherein the additive addition comprises adding at least a layer of said first additive suspension and a layer of said second additive suspension to sa

Abstract: A deep-drawn paper tray made of paper material, a method and an apparatus for manufacturing the tray, and a closed product package comprising the tray. The tray having a bottom and upwardly expanding side walls around the bottom, the side walls of the tray being shaped to expand through a plurality of circumferential steps dimensioned low enough for obtaining wrinkle-free side walls for the tray. The outermost step is a flat, wrinkle-free rim flange, which enables liquid and gas proof heat-sealing of a lid to form the package. The apparatus may comprise upper and lower moulding tools with concentric movable frames for forming the tray bottom and side wall steps from paper blanks, and moulding tools may be mounted onto a rotating turret carrying a paper blank through working stations arranged along the turret circumference, to shape the tray bottom and the side wall steps at the consecutive stations.

Abstract: A laminated wood product comprising providing a plank presenting a pair of parallel major surfaces, a pair of minor surfaces, a pair of end surfaces and a longitudinal direction parallel with said major and minor surfaces and perpendicular to the end surfaces, said plank having a water content of more than 25% by weight, preferably more than 30% by weight. At least one of the major surfaces is laminated to a surface of a second member.

Abstract: The present invention relates to a process for preparing laminated veneer lumber treated with microfibrillated cellulose. The invention also relates to a modified laminated veneer lumber product produced using said process.

Abstract: The present invention relates to a method of making a foamed cellulosic fiber-thermoplastic composite article. The method includes the steps of providing a copolymer composition, combining the copolymer composition and cellulosic fibers, applying heat, mixing energy and pressure to form a foamable mixture, and forming the foamable article in a molding or extruding operation. The method is characterized in that at least 10% of the cellulosic fibers have been thermally modified prior to being combined with the copolymer composition.

Abstract: The invention discloses a method for producing a three dimensional molded product from cellulose fibers, comprising the steps of: providing a cellulose fiber composition comprising 1-30 wt % lignin, said cellulose fiber composition further having a solid content between 0.1-95%; providing a forming tool having a three dimensional shape including a forming surface, and bringing said forming surface into contact with the cellulose fiber composition; and press drying the cellulose fiber composition contacted by the forming tool at temperatures>200° C. to a dry content of at least 70%. The invention also relates to a three dimensional fiber based product obtainable by means of said method.

Abstract: A device for processing logs, comprises a deicing apparatus (11), a debarking apparatus (22), arranged downstream of the deicing apparatus, a thermal camera (30), arranged to acquire a thermal image of at least one log downstream of the debarking apparatus, and a processing device (40). The processing device (40) is configured to receive the thermal image from the thermal camera, to process the thermal image to determine a log surface temperature, and to provide a deicing control signal to the deicing apparatus (11) based on the log surface temperature. A method of processing logs is also disclosed.

Abstract: The present invention relates to a laminate having oxygen barrier properties, which laminate comprises; a porous fiber based layer comprising nanocellulose and cellulosic fibers wherein said fiber based layer has an air resistance of less than 4000 s/100 ml measured according to ISO5636/6 and a polymer layer attached to at least one side of said fiber based layer to form said laminate. The present invention further relates to a method to produce said laminate and a paper or paperboard product comprising the laminate and the use of the laminate.