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Matches 1 - 50 out of 5,580

Document Document Title
WO/2019/008500A1
A method of dosing a nanocellulose suspension in gel phase into a second suspension, wherein the method comprises the steps of: providing said nanocellulose suspension in gel phase; providing said second suspension; bringing said nanocel...  
WO/2019/002682A1
Compositions and methods for cleaning wet strength resin contamination from papermaking equipment and/or for preventing wet strength resins from contaminating papermaking equipment using the compositions are disclosed. The compositions c...  
WO/2019/002685A1
The present invention relates to a process for in situ the preparation of mixtures of chelating agents by catalyzed reactions of diethanolamine derivatives with maleic acid and then with 2-halocarboxylic acid, to mixtures of chelating ag...  
WO/2019/002684A1
The present invention relates to a process for the in situ preparation of mixtures of chelating agents by catalyzed reactions of diethanolamine with maleic acid and then with 2-halocarboxylic acid, mixtures obtainable using said process ...  
WO/2019/002699A1
A method is disclosed for monitoring hydrophobic particles contained in a pulp suspension, the method comprising obtaining (601) a sample from a pulp suspension or a filtrate of the pulp suspension. A dye is added (602) to the sample to ...  
WO/2018/234635A1
The invention relates to a method for manufacturing a fibrous web, such as web of paper, board, tissue or the like. The method comprises forming an aqueous fibre suspension comprising cellulosic fibres from one or more raw material flows...  
WO/2018/234097A1
A method of increasing the throughput and/or decreasing the energy usage of a pulping process includes the steps of providing a plurality of lignocellulosic chips, providing a refining composition, applying the refining composition to th...  
WO/2018/229336A1
A method for increasing the initial tensile strength of pulp, wherein the pulp is chemical pulp and provided as a suspension, is disclosed. The method comprises wet calendering the pulp suspension, thereby at least partially straightenin...  
WO/2018/229337A1
A method for increasing the initial tensile strength of pulp, wherein the pulp is chemical pulp and provided as a suspension, is disclosed. The method comprises at least one of:a) adding a carboxyl derivative of cellulose to the pulp sus...  
WO/2018/219638A1
A process for the production of a non-derivatized nanocellulose material from a cellulosic fibrous material, comprising the steps of providing a suspension of cellulosic fibrous material in a continuous phase of a non-aqueous process liq...  
WO/2018/197222A1
The present invention provides a method for obtaining densified material comprising the steps of: a. providing lignocellulosic material, b. delignification of the lignocellulosic material providing a delignified material, wherein the del...  
WO/2018/197465A1
Use of a particulate mineral having a coating of one or more rosin acid(s) and/or one or more derivative(s) thereof as a pitch and/or stickies control agent in a composition comprising cellulosic pulp, a method of reducing dissolved and/...  
WO/2018/185227A1
The invention relates to a method for producing microscale and/or nanoscale fiber material. The method has at least the step of dispersing (5) dried pre-comminuted pulp in a liquid. The method additionally has a step of finely comminutin...  
WO/2018/183335A1
The invention relates to fibrous structures having desirable physical properties, such as good tensile strength, low stiffness and high bulk, manufactured using a fiber furnish comprising cellulosic fibers having a pH of 5.0 or less and ...  
WO/2018/175135A1
The present technology is directed to fluff pulps with improved odor control as well as methods of making such fluff pulps. A fluff pulp is provided that includes a bleached kraft fiber and a copper ion content from about 0.2 ppm to abou...  
WO/2018/173076A2  
WO/2018/172920A1
The present disclosure relates to cellulose nanomaterials made or derived from tobacco and methods for the production thereof. The tobacco-derived cellulose nanomaterials can be employed in various industrial applications such as film fo...  
WO/2018/165401A1
Methods and compositions useful for improving drainage in a fluff pulp drying process are provided. The methods and compositions comprise alkyl ether sulfate and ethylene oxide/propylene oxide copolymer. In particular, the methods and co...  
WO/2018/159980A1
Disclosed is a method for manufacturing pulp by using a red algae or red algae residue pulped with an aqueous alkaline solution. The present invention comprises the steps of: (1) washing a red algae or a red algae residue left after extr...  
WO/2018/146379A1
Determining a degree of breaking down of the fiber particles into fines in pulp is performed by transmitting (1000) optical radiation to the pulp (104); and determining (1002) the degree of breaking down of the fiber particles into fines...  
WO/2018/141740A1
The present invention relates to a copolymer comprising at least one hydrophilic monomer; at least one hydrophobic monomer and at least 10% by weight of methyl styrene, particularly suitable to be used as detackifying agent for reducing ...  
WO/2018/142025A1
According to an example aspect of the present invention, there is provided a process for the conversion of cellulosic waste material into a recycled cellulose product comprising the steps of cooking the waste material in a cooking liquor...  
WO/2018/144309A1
The present application relates to a cross-linked fiber and more specifically to fibers that have been subjected to cold caustic extraction (at less than 60°C) to reduce the hemicellulose content of the fibers by at least 50% and then c...  
WO/2018/134525A1
The present invention relates to a method for bleaching an unbleached or pre-bleached paper pulp comprising at least the following consecutive steps: a) preparing an unbleached or pre-bleached paper pulp having a pH of at least 8, b) bri...  
WO/2018/130528A1
The invention relates to the use of comb polymers as deposit inhibitors in pulp production according to the sulphate process (Kraft process), which comb polymers can be obtained by radical polymerisation of monoethylenically unsaturated ...  
WO/2018/125869A1
Methods of and systems for controlling dosing of drainage aid and optionally defoamer to brown stock of a brown stock washing process are provided. Certain embodiments of the invention provide independent control of drainage aid and/or d...  
WO/2018/114905A1
The invention relates to a two-stage digestion method for chemical fractionation of lignocellulose. In a first stage, the lignocellulose is pre-treated with water vapor or water at temperatures above 100 °C and increased pressures. In a...  
WO/2018/104330A1
There is provided a cellulose based fiber made of a i) cellulose dissolving pulp, and ii) a recycled cellulose textile, which is treated to swell the cellulose with a reducing additive and a) bleached with oxygen at alkaline conditions w...  
WO/2018/106285A1
In some embodiments, a method may include treating pulp. The method may include contacting a wood pulp with a singlet oxygen source. The method may include contacting the wood pulp with an alkaline peroxide source. The singlet oxygen sou...  
WO/2018/100759A1
[Problem] To provide an antifouling agent which is capable of sufficiently preventing pitch contamination in a wet part and does not easily foam. [Solution] The present invention provides an antifouling composition for preventing pitch c...  
WO/2018/099977A1
The present invention relates to a binder composition containing water, plant fibers and mineral fillers, - the weight ratio between the plant fibers and the mineral fillers being comprised between 99/1 and 2/98, - the plant fibers and t...  
WO/2018/100861A1
[Problem] To provide: an antifouling spray composition which is capable of sufficiently preventing a running member travelling in a wet part of a paper machine from being pitch-contaminated and does not easily foam; and a method for spra...  
WO/2018/096211A1
The invention relates to a use of a water-soluble polymer product comprising amphoteric polyacrylamide, which has neutral or cationic net charge at pH 7, a weight-average molecular weight of 2 500 000 – 18 000 000 g/mol and a total ion...  
WO/2018/093753A1
A method for making a specialty fiber by activating pulp in an alkaline aqueous medium, then reacting it a water-soluble, multi-functional reagent able to bridge neighboring cellulose chain within a single fiber. The resultant specialty ...  
WO/2018/087658A1
The invention relates to the chemical industry, and more particularly to technology for producing purified cellulose from flax fibre. The essence of the invention is that during the purification of flax fibres using a chemical method, li...  
WO/2018/088948A1
A pressure device (10) for a sealing arrangement (50) configured to be used in an apparatus for processing pulp, said pressure device (10) including a movable sealing element (70) for mounting in a holder (55) comprising an extended groo...  
WO/2018/083590A1
The present invention relates to a corrugated board comprising an adhesive arranged to attach a fluted corrugated medium to a liner wherein the adhesive comprises starch and microfibrillated cellulose. The invention also relates to a met...  
WO/2018/085100A1
Processes for pulping raw pulp material, such as wood chips, to provide pulp fibers having increased bulk, as well as bleaching the resulting pulp fibers to provide bleached pulp fibers having increased bulk. These pulp fibers and bleach...  
WO/2018/081450A1
A manufactured hemp product comprising a plurality of adhesively bonded and pressed hemp strands where the majority of the hemp strands are of generally the same length and comprise a naturally-occurring, generally elongate internal stru...  
WO/2018/078094A1
The present invention relates to a modified cellulosic fibre that comprises anionic moieties in an amount of more than 0.25mol/kg of dry fibre and has applied theron a polymeric modifying agent in an amount of from 0.5 wt.% to 5.0 wt.%, ...  
WO/2018/072264A1
A composition controlling deposition of an organic contaminant during pulp and paper making. Active ingredients thereof comprise: 1) a bio-enzyme having a perhydrolysis function; and ii) hydrogen peroxide and/or a precursor enabling gene...  
WO/2018/062502A1
The purpose of the present invention is to optimize a bleaching process in a manufacturing process for phosphorylated cellulose fiber. The present invention relates to pulp comprising cellulose fiber having a phosphate group or a phospha...  
WO/2018/051275A2
Provided are methods for preparing an enzyme-modified fiber pulp, wherein the modified pulp has improved properties for papermaking processes. The modified pulp and methods of its use are also provided.  
WO/2018/052361A1
A method for processing pulp in an apparatus for washing and dewatering pulp, and a system for controlling this apparatus, the apparatus comprising two rotatable press rolls (102, 104) having a permeable outer surface (106, 108), and a v...  
WO/2018/051275A3
Provided are methods for preparing an enzyme-modified fiber pulp, wherein the modified pulp has improved properties for papermaking processes. The modified pulp and methods of its use are also provided.  
WO/2018/049517A1
A novel method is disclosed to make cellulose filaments (CF) from wood or other plant fibers with lower energy consumption. The method consists of multi-stage, high consistency refining, followed by low consistency refining or by low con...  
WO/2018/049522A1
The present invention is directed to a method of transforming a pulp fibrous into a pre-dispersed semi-dry or dry fibrous material and to the material produced. The method opens, de-entangles and fibrillates the fibrous material of the i...  
WO/2018/022427A1
The present disclosure provides methods and compositions for improving the oxygen delignification process. The methods may include adding low doses of a borohydride stabilized in an alkaline solution to brownstock pulp. The methods may r...  
WO/2018/019707A1
The present invention is in the field of delignifying and/or bleaching of pulp, more in particular wood pulp. Such a process is useful in paper production. More in particular, the method relates to the use of an enzyme for delignificatio...  
WO/2018/017672A1
Methods and systems are disclosed for analyzing and treating a fluid containing a peroxyacid and/or peroxide. Method of analyzing the fluid includes introducing into the fluid a decomposition agent that catalyzes decomposition of the per...  

Matches 1 - 50 out of 5,580