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WO/2021/214385A1 |
The present invention relates to the fields of fibers and uses thereof such as for producing fiber webs, such as paper, board or tissue. Specifically, the invention relates to a method of monitoring and controlling cellulolytic activity ...
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WO/2021/203556A1 |
The present invention provides an organosilicon composite emulsion defoamer for papermaking industry, and a preparation method therefor. First, a polyvinyl ester polymer is introduced, so as to improve the foam breaking and defoaming per...
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WO/2021/196112A1 |
A broad-spectrum antiviral bactericidal nano material for currency, comprising the following components in parts by weight: 5-15 parts of chlorophyll, 5-15 parts of tea polyphenol, 8-16 parts of taurine, 0.5-2 parts of citric acid, 6-18 ...
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WO/2021/201671A1 |
According to the invention, in producing coloured cardboard, carbon dioxide is injected and dissolved in a mixture of pulp and at least a sulphur dye, while the mixture is pumped with a delivery pressure higher than 200 kPa out of a firs...
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WO/2021/191277A1 |
The invention relates to a wrapper paper for smoking articles, comprising cellulose fibres loaded with calcium carbonate particles, wherein the mass of the cellulose fibres loaded with calcium carbonate particles is at least 1% of the ma...
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WO/2021/189606A1 |
Disclosed are a halogen-free inorganic flame-retardant material, a preparation method therefor and the use thereof, belonging to the field of inorganic liquid phase flame-retardant technology. The halogen-free inorganic flame-retardant m...
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WO/2021/191097A1 |
The invention is in the field of papermaking. It provides methods for improving the compressive strength of paper and board by improving the moisture resistance of paper and board. The invention also provides paper and board with an impr...
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WO/2021/195408A1 |
A wet wipe is provided. The wet wipe includes a sheet formed from non-plastic materials. The sheet has a weight of between 40 - 90 gsm. The sheet comprises a blend of wood pulp fluff fiber and cellulosic staple fibers and/or cross-linked...
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WO/2021/186110A1 |
An aqueous prepolymer composition, which comprises a polyacrylamide base polymer comprising 10 – 40 mol-% of cationic monomers and having a weight average molecular weight Mw in the range of 120 000 – 350 000 g/mol, 0.1 - 1 weight-% ...
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WO/2021/188705A1 |
The present disclosure generally relates to glyoxalated polyacrylamide (GPAM) products, compositions comprising GPAM products, and methods of use thereof, particularly in the paper industry. Moreover, the present disclosure generally per...
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WO/2021/187668A1 |
The present invention relates to an environmentally friendly paper cup base paper and, more particularly, to an environmentally friendly paper cup base paper that has water resistance, oil resistance, heat adhesion, and adhesion resistan...
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WO/2021/188701A1 |
The present disclosure generally relates to glyoxalated polyacrylamide (GPAM) compositions, methods of preparation and methods of use thereof, particularly in the paper industry. Moreover, the present disclosure generally pertains to cat...
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WO/2021/186109A1 |
The invention relates to a method for on-site glyoxylation of polyacrylamide in a paper mill, board mill or the like, where a discontinuous batch glyoxylation reaction of an aqueous reaction mixture is performed in a reactor vessel provi...
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WO/2021/186132A1 |
The present invention relates to a polymer complex obtained by inverse emulsion polymerization of water-soluble monomers in the presence of a cationic water-soluble host polymer comprising amine functions.
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WO/2021/187669A1 |
The present invention relates to a method for manufacturing raw paper for an eco-friendly paper cup and, more specifically, to a method for manufacturing raw paper for an eco-friendly paper cup, wherein the raw paper shows excellent heat...
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WO/2021/183008A1 |
The invention relates to the field of pulp and paper production and more particularly to the production of sized fibrous articles. The present invention can be used in the manufacture of special paper as well as multi-layered composite m...
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WO/2021/179306A1 |
The present invention relates to a biodegradable oil-proof paper without a fluorocarbon compound, and a preparation method therefor. The method comprises: first pre-coating cellulose base paper with a modified starch reinforced pre-coati...
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WO/2021/176143A1 |
The invention relates to a composition and method for manufacture of paper, board, tissue or the like. The composition comprises an amphoteric polymer component, which has a weight average molecular weight of at least 600 000 g/mol, pref...
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WO/2021/176144A1 |
The invention relates to the use of a surface size composition comprising at least one cellulose derivative selected from cellulose ethers, excluding carboxyalkyl celluloses, for providing compression strength for a fibrous web, such as ...
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WO/2021/171016A1 |
The invention relates to a greaseproof and waterproof packaging item comprising a composite material, the material comprising a fibre substrate and a cross-linked naturally derived polysaccharide.
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WO/2021/165769A1 |
Board, wherein this board (11) comprises, preferably a plurality of layers (14-15-16) having a different composition, wherein at least one of said layers is based on MgO and MgChloride and/or wherein at least one of said layers is based ...
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WO/2021/165898A1 |
The present invention relates to a multilayered cellulose-based substrate, comprising a cellulose-based first layer, and a cellulose-based second layer in contact with said first layer, wherein said substrate has a basis weight above 85 ...
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WO/2021/166898A1 |
The present invention is a paper strengthening agent which contains the component (A) and the component (B) described below, wherein the mass ratio of monovalent or divalent metal ions (excluding metal ions that are counter ions of the c...
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WO/2021/163865A1 |
Provided are methods for producing water repellent textile substrates and products thereof. The methods can be conducted without the use of perfluorocarbons.
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WO/2021/160979A1 |
A method comprising providing a sol comprising a solvent; contacting the sol with a precipitation initiator to initiate precipitation of the sol, wherein the precipitation initiator is different to the solvent; and applying the precipita...
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WO/2021/156413A1 |
The present invention relates to an adhesive composition comprising, among others, (i) microfibrillated cellulose and (ii) a metal in oxidation state of II or greater. The present invention further relates to uses of such an adhesive com...
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WO/2021/154192A1 |
The invention relates to the technology for manufacturing a composite material from household food waste, food industry waste, agricultural and processed product waste, and food service sector waste. Coffee grounds and press cake obtaine...
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WO/2021/148719A1 |
The present invention concerns a packaging material having a coating made of a biopolymer composition. In addition, the invention concerns a method for providing barrier properties for a packaging material by using the above mention comp...
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WO/2021/148662A1 |
The present invention relates to a product comprising: - a microfibrillated cellulose composition, - a starch derivative, and - an anionic cellulose derivative having a number average molecular weight comprised between 300000 g/mol and 8...
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WO/2021/145028A1 |
The present invention addresses the problem of providing a technology for preventing inorganic particles from falling off a fiber, even when coming into contact with liquid. According to the present invention, carboxymethylcellulose and ...
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WO/2021/143385A1 |
A preparation method for a super water-absorbing material having a water locking function and a spatial three-dimensional structure, and a product and use thereof. The method comprises: using water-soluble nano montmorillonite and N,N-is...
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WO/2021/140179A1 |
The present invention relates to a metal salt of actinorhodin or one of its derivatives, wherein the metal is selected from the group consisting of beryllium, magnesium, calcium, strontium, barium, copper, iron, aluminium, chromium, mang...
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WO/2021/138393A1 |
A system comprising a pulper configured to (i) accept surfactant, a liquid and fiber stock and (ii) generate a foam that suspends the fiber stock, wherein the foam has a half-life; a headbox configured to receive the foam-suspended fiber...
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WO/2021/136884A1 |
The invention relates to an aqueous polymer dispersion and its preparation. The dispersion comprises a styrene acrylate polymer, which is obtainable by free- radical polymerisation of 1 – 90 weight-% of monomer (a), which comprises at ...
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WO/2021/137524A1 |
According to the specification, aramid pulp and a method for manufacturing same are disclosed. The aramid pulp exhibits improved productivity and physical properties and excellent interfacial adhesion to different materials because oille...
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WO/2021/130412A1 |
A dispersion of cellulose fibers, a method of preparing the same and uses thereof. The dispersion is produced by providing a cellulose feedstock comprising cellulose fibers; by providing a mixture of an ionic liquid and a protic antisolv...
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WO/2021/130411A1 |
The invention relates to a composition for use in a manufacture of paper, board or the like. The composition comprises a mixture of cationic starch having amylopectin content of at least 85 %, and an amphoteric polymeric structure compri...
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WO/2021/130667A1 |
A method is provided for coating a fibrous web, in particular a fibrous web comprising nanocellulose fibres. The method includes steps of applying a coating agent to a textured surface region of a textured substrate, applying a fibre fur...
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WO/2021/120987A1 |
Provided are an absorbent paper and a method for preparation thereof, which solve the defects of the prior art of an absorbent paper having poor flexibility, greater thickness, small water absorption, and poor water-locking ability, comp...
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WO/2021/111357A1 |
The present invention relates to a water-resistant cellulose-based substrate comprised of one or more plies, wherein said substrate has a basis weight in the range of 120-500 g/m2, and a density below 1000 kg/m3, wherein said substrate h...
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WO/2021/111698A1 |
Provided are: a method which is for producing a pulp sheet and by which moisture content can be sufficiently lowered before a dryer part; and a dehydration improver for a pulp slurry. This method for producing a pulp sheet involves causi...
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WO/2021/105547A1 |
The present invention relates to polymer dispersion obtainable by free radical polymerization reaction of hemicellulose with one or more ethylenically unsaturated monomers. The invention relates also to coated paper products wherein the ...
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WO/2021/102266A1 |
Di alkenyl succinic amide acids and processes for making and using same. The di alkenyl succinic amide acid can have a chemical formula of (I): where R1 and R2 can independently be a linear or branched C8 to C24 alkenyl group, Z1, Z2, Z3...
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WO/2021/099679A1 |
The present invention relates to a method for controlling discharges of nitrogen compounds in the production of cellulose carbamate (CCA). Dissolving pulp (DP) or kraft pulp is produced at a pulp mill, and the DP or kraft pulp is activat...
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WO/2021/094440A1 |
There is provided a method for producing a crosslinked film comprising microfibrillated cellulose (MFC), wherein the method comprises the steps of: a) applying an aqueous composition comprising a crosslinking agent to a film formed from ...
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WO/2021/095022A1 |
Disclosed is a biodegradable container comprising a biodegradable material and a reinforced barrier film coated onto the biodegradable material, wherein the reinforced barrier film comprises graphene nanoplatelets dispersed in a biodegra...
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WO/2021/094437A1 |
The presently claimed invention relates to an aqueous composition to improve barrier properties. Particularly, the presently claimed invention relates to a polymer -based grease resistant aqueous compositions for coating paper and paper ...
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WO/2021/094439A1 |
There is provided a method of producing a sheet having a density of 0.6-1.3 g/cm3 measured according to ISO 534:2011, the sheet comprising chemically modified cellulose fibres, wherein the method comprises: a. providing chemically modifi...
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WO/2021/093093A1 |
Provided are a tissue paper or kitchen paper production method and a paper preparation method thereof, comprising the steps of primary drying, wet creping and picking, secondary drying and winding, the paper consists of 20 parts of conif...
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WO/2021/089778A1 |
This invention relates to a compostable cellulose-based paper having an oxygen transmission rate of less than 10 cm3/(m2 day), when determined at 23°C and 50% relative humidity, the compostable cellulose-based paper comprising a continu...
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