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Matches 1 - 50 out of 4,474

Document Document Title
WO/2021/037612A1
The invention relates to a method for forming a shape on the surface of paper, wherein a paper web (12), in order to coat the surface with a surface application (36, 38), is coated, dried, and finally rolled on a roll for further use. In...  
WO/2021/006798A1
A method for the manufacturing of cellulose dissolving pulp from virgin wood cellulose and crude recycled textile cellulosic material by charging recycled textile material to a brownstock washing step, an oxidative alkaline pulp bleachin...  
WO/2020/233849A1
The invention relates to an applicator unit for coating a moving fibrous material web with a liquid or pasty application medium, comprising a dosing device for applying the application medium to an application surface in a dosing point a...  
WO/2020/236312A1
Paper treating compositions and methods of using the same are disclosed herein. The paper treating compositions of the present disclosure may include a strength agent and a surfactant or a sizing agent and a surfactant. The compositions ...  
WO/2020/207727A1
The present invention relates to a method for depositing, on a substrate, a composition of cellulosic fibers, comprising the following steps: / preparing an aqueous suspension SA comprising at least cellulosic fibers, 2/ spraying, at a p...  
WO/2020/205907A1
Methods for making paper with improved strength and methods for improving paper strength, using a metal chelate and an organic polymer, and improved strength paper made through these processes.  
WO/2020/203721A1
The present invention addresses the problem of providing a method for manufacturing a paper-making barrier substrate in which the stability and continuous operability of a coating solution are satisfactory. Provided as a solution is a me...  
WO/2020/203616A1
The present invention addresses the problem of providing a method for manufacturing a paper-making barrier substrate in which an occurrence of coating unevenness in wet-on-wet coating with a curtain coating method is suppressed. As a sol...  
WO/2020/198516A1
Methods of making a paper product can comprise forming a substrate from a first furnish that comprises a plurality of pulp fibers, at least partially dewatering the substrate, treating a second furnish that comprises a plurality of surfa...  
WO/2020/160603A1
The invention relates to a method of making a paper product 10, 10.01 to 10.14, wherein the method includes the step of adding natural reinforcing material (31, 31.1, 51, 51.1, 61, 61.1, 71, 71.1) to one of: a) a layer of pulp as it exit...  
WO/2020/157609A1
The invention discloses a paperboard comprising a base ply, a top ply, and an intermediate layer disposed in-between the at least one base ply and the top ply. The intermediate layer comprises pigment and microfibrillated cellulose (MFC)...  
WO/2020/128144A1
The present invention provides a process for producing paper or board, comprising slushing a stock of dried fibres in a slushing system comprising a pulper, and/or feeding a stock of never-dried fibres in a fiber line of an integrated pa...  
WO/2020/112910A1
A fibrous structure having at least two layers is disclosed. Each of the at least two layers has a mixture of structural fibers selected from the group consisting of softwood fibers, non-wood fibers, natural non-cellulosic fibers, man-ma...  
WO/2020/109179A1
There is provided a method of coating a paper substrate using a multi-slot curtain coater, wherein a water-based composition comprising a polymer is fed through a first slot and a water-based composition comprising silicone is fed throug...  
WO/2020/100097A1
The present invention relates to a method for hydrophobizing a cellulose substrate (1), which comprising a first side and a second side, which faces away from the first side, the method comprising the steps of: -drying the cellulose subs...  
WO/2020/100101A1
The present invention relates to a method for hydrophobizing a cellulose substrate, which comprises a first side and a second side, which faces away from the first side, wherein the method comprising the steps of: -drying the cellulose s...  
WO/2020/095154A1
The present invention provides a book paper suitable for both inkjet and offset printing. The inventive printing paper comprises a base substrate with a grammage of below 100 gsm comprising at least 50 wt% mechanical cellulosic pulp fibe...  
WO/2020/089195A1
The present invention relates to a method for producing a modified lignocellulosic pulp having improved wet-strength properties and a modified lignocellulosic pulp obtainable by the method.  
WO/2020/071659A1
The present invention relates to a hot-press gas grafting hydrophobization apparatus, and heat- and water-resistant paper and oil-absorbing paper manufactured using same. The apparatus of the present invention provides a non-permeable dr...  
WO/2020/037549A1
Aramid fiber far-infrared emitting paper and a preparation method therefor. Para-aramid chopped fibers and para-aramid pulp fibers are used as paper-based functional materials, which have the excellent characteristics of high specific st...  
WO/2020/020626A1
Method and device for the application of starch on a moving fiber web, especially on a packaging paper web like a testliner or a corrugated medium web, where first starch is applied to a first roll and/or a second roll and the fiber web ...  
WO/2020/016310A1
The present invention relates to a method for producing label paper or paper for corrugated board or folding carton for packaging of beverage containers, comprising the steps of: - feeding wood fiber pulps into a papermaking process; - f...  
WO/2020/013458A1
The present invention relates to a method for producing a high barrier substrate used for packaging, in which permeation of a barrier material through paper is suppressed through a sizing or coating process on the surface of the paper, a...  
WO/2019/213718A1
The present invention is directed to compositions, methods and systems for the removal of starch. The methods include: providing cleaning solution and rinsing fluid along supply line(s); connecting the supply line(s) to one or more clean...  
WO/2019/209854A1
Systems and methods are described where a volume 102 receiving a liquid matrix 108 and fibers 112 at an inlet where opposing sides 104, 106 of the volume 102 converge to form a gap 110 and a moving surface 106 in contact with the liquid ...  
WO/2019/198040A1
The present invention relates to a method for the production of a coated paper, paperboard or film, wherein the method comprises the steps of; providing a first suspension comprising cellulose fibers and/or nanocellulose, applying the fi...  
WO/2019/191832A1
A method applying additives to a forming web of paper fiber by pumping an additive through a channel in an applicator to a horizontal slot with a vertical gap of less than.100 inch at a rate of less than 5 US gallons per minute per inch ...  
WO/2019/187717A1
This invention addresses the problem of providing a method for manufacturing a paper-making barrier substrate having an exceptionally uniform outward appearance and/or an exceptionally homogeneous coating layer. Provided as a solution is...  
WO/2019/180303A1
A method for manufacturing a multi-layered paperboard, which comprises at least two fibrous layers, in which method at least one layer of the multi- layered paperboard is treated by applying an aqueous solution of a first strength compon...  
WO/2019/180302A1
The invention relates to a dry strength composition for manufacture of paper, board or the like. The dry strength composition comprises, as a mixture, at least one anionically derivatized polysaccharide, and cationic starch having an amy...  
WO/2019/170287A1
The invention relates to a surface sizing agent for a paper product containing: - at least one polyvinyl alcohol, - a dispersion comprising at least one polymer based on acrylic acid and/or at least one copolymer based on acrylic acid, -...  
WO/2019/166929A1
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 for...  
WO/2019/166699A1
The invention relates to a roll for use in a manufacture of a fibrous web, which comprise cellulosic fibres. The roll comprises a roll body with a cylindrical surface, and a roll cover, which is arranged to cover the cylindrical surface ...  
WO/2019/150291A1
The present invention relates to a process for manufacturing a film comprising high amounts of microfibrillated cellulose (MFC), having haptic properties. According to the present invention, a wet web comprising MFC is formed, followed b...  
WO/2019/143765A1
A system and process for continuously extracting and diluting a pulp sample from a pulp production line for the purpose of conducting near real time analysis of pulp fibers while mitigating the loss of production due to outdated sample d...  
WO/2019/137663A1
The invention relates to a method for applying a liquid or pasty application medium onto a running material web. The application medium is applied onto a first moving auxiliary strip by means of a pre-metering device, and the first auxil...  
WO/2019/131083A1
Provided is a production method for deodorizing paper, in which particles having deodorant effects are contained, at a desired rate, into a thin paper sheet without a bias so that sufficient paper strength can be ensured, and stable qual...  
WO/2019/115440A1
The invention relates to a method for treating a web (1) of paper, cardboard or other fibrous material after the drying thereof. Here, more comprehensive moistening of the fibrous web (1) is to be achieved by virtue of the fact that the ...  
WO/2019/110876A1
The present invention relates to a method for predicting the microbial status of a paper or board making process and/or quality of the dry board or paper obtained from said process and to a method for controlling microbial status of a pa...  
WO/2019/102295A1
Methods and apparatuses for applying coatings on a baggy web are provided. A Mayer rod and a back-up roll engage with each other to form a nip. The back-up roll has a deformable inner layer with a surface thereof covered by a deformable ...  
WO/2019/099380A1
A system and method for a fire-retardant insulation product are provided, along with a fire-retardant chemical formulation. An insulation product provided includes cellulose fibers and a fire-retardant chemical formulation. The fire-reta...  
WO/2019/086761A1
The invention relates a method for a manufacturing paper or board and to an internal sizing system for providing improved retention of hydrophobic internal sizing agents. An internal sizing system comprises a hydrophobic internal sizing ...  
WO/2019/076702A1
The invention relates to a method for producing dried multi-layer paper, comprising the following steps: (A) dewatering a first aqueous fibrous material suspension, whereby a first fibrous material web is produced having a dry content of...  
WO/2019/076627A1
The invention relates to a curtain application unit for applying a liquid or pasty application medium to at least one surface of a moving material web, in particular a fibrous web, wherein the curtain application unit comprises an applic...  
WO/2019/076703A1
The invention relates to a method for producing dried single-layer or multi-layer paper, comprising the following steps for a single-layer paper: (A) dewatering a first aqueous fibrous material suspension, whereby a first fibrous materia...  
WO/2018/045248A8
The present invention describes tunable methods of treating cellulosic materials with a composition that provides increased hydrophobicity and/or lipophobicity to such materials without sacrificing the biodegradability thereof. The metho...  
WO/2019/068779A1
Vegetable oil based formulations, comprising an O/W suspension, which are useful for increasing the hydrophobicity of wood-derived boards and fibreglass or rock wool insulations, i.e., for preparing hidrofugant formulations; the formulat...  
WO/2019/039364A1
Provided is printing paper with which it is possible to achieve excellent ink drying properties and ink coloring properties by coldset offset printing. This coldset offset printing paper is obtained by providing a pigment coating layer u...  
WO/2019/025084A1
The invention relates to a method for coating a material web (2), in particular a fibrous web, by means of a coating device, the coating device (1) having an application unit (3) for applying a coating medium to the material web and havi...  
WO/2019/027994A1
A method of incorporating a low molecular weight polymer (e.g., polymer strength aid) into an industrial process (e.g., papermaking process) is provided. The method comprises treating an industrial process (e.g., paper sheet precursor) w...  

Matches 1 - 50 out of 4,474