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WO/2011/039325A2 |
A method of improving surface strength, fibre tear or linting of a sheet-formed fibrous material formed from an aqueous slurry of cellulose fibre comprising spraying a face of the material with a chemical formulation comprising or consis...
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WO/2011/039384A1 |
The method of the invention aims to increase starch retention in sheets of paper in order to reduce operating costs and enhance the physical properties of the paper. For this purpose, the method comprises the addition of metered trivalen...
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WO/2011/035968A1 |
The invention relates to a doctor blade (10) for the surface treatment of fibrous nonwoven webs, comprising a main body (11) and a coating (12) arranged on the surface of the main body, wherein the coating (12) covers at least the part o...
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WO/2011/031698A1 |
A paperboard core suitable for use in winding yarns may include strips of paperboard wrapped about an axis and secured together to form an elongate structure defining a winding surface. A coating of a polymer such as polyvinylidene chlor...
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WO/2011/024636A1 |
Provided is an edge guide (1) which is improved in retainability and stability. The edge guides are provided in a pair to prevent neck-in. The edge guide (1) has a supply opening (25) for supplying a liquid lubricant (h) near the upper e...
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WO/2011/020174A1 |
Scale formation on the electrode(s) of a liquor sensor can be prevented by continuously delivering a water-soluble scale inhibitor or dispersant into the vicinity of the electrodes of a liquor sensor device. Scale inhibitors include, for...
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WO/2011/018261A1 |
The invention relates to a method and a device for producing paper, wherein the paper web is fed through at least two online soft nip calendar rollers or one metal band calendar roller after a wire section and a press section.
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WO/2011/019786A2 |
A method for improving RDF aids efficacy, paper machine performance and sheet properties formed during a papermaking process is disclosed. The methodology includes the following steps: (a) applying one or more RDF aids to the papermaking...
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WO/2011/017522A2 |
A process is provided for making a fluff pulp sheet, comprising forming a web comprising fluff pulp fibers; and applying at least one debonder surfactant to the web, to make the fluff pulp sheet. A fluff pulp sheet is also provided, comp...
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WO/2011/013049A2 |
A coated printing substrate, preferably for offset or inkjet printing, comprises a coating composed of a water eraulsifiable binder, calcium carbonate or sulphate, a granular material of the grain size of a flour or a fine sand, and wate...
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WO/2011/012772A1 |
The invention relates to a doctoring device for a fiber web machine. The doctoring device (10) includes a tip part (11) followed by a flow surface (12) for generating a foil effect. The profile of the flow surface (12) essentially corres...
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WO/2011/005805A2 |
The invention provides a more effective optical brightener composition for coating paper substrates. The invention includes an optical brightening agent (OBA) and a glycerol based polymer. This combination results in a composition that p...
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WO/2011/003190A1 |
Fiber optic sensors employ a high brightness light source such as a fiber optic supercontinuum source, multiplexed superluminescent light emitting diodes, or a broadband tunable laser diode. Light is delivered to the measurement location...
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WO/2010/151499A1 |
Facing material useful in the manufacture of gypsum wallboard is surfaced treated in order to adhere an amount of seed crystals to improve the adhering affinity of the facing material for wet plaster thereby permitting the manufacture of...
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WO/2010/145678A1 |
The present invention relates to a method for transferring a coating and/or processing agent (2) to a paper or board web (w), the coating and/or processing agent (2) having a dry solids content of at least 80%. In the method, the coating...
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WO/2010/145679A1 |
The present invention relates to a method for fixing a coating and/or processing agent (2) on a paper or board web (w), the coating and/or processing agent (2) having a dry solids content of at least 80%, in which the coating and/or proc...
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WO/2010/138354A2 |
An apparatus for feeding one or more chemicals into a process stream of a pulp process is disclosed, as well as a method of utilizing the apparatus for feeding one or more chemicals into a pulp process is disclosed.
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WO/2010/133762A1 |
The present invention concerns a paper or board product with an improved tensile strength comprising cellulose fibres, one or more zirconium carbonate compound(s) and water-insoluble polyvinyl alcohol fibres, and a process for manufactur...
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WO/2010/130352A1 |
The invention relates to paper, cardboard, corrugated cartons, films, injection molded or pressure die cast plastic parts, metal, ceramic surfaces, paint coatings, or corrosion protection coatings coated with a mixture comprising at leas...
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WO/2010/128354A1 |
An adaptive model based method and a system for on-line optimization of a batch digester process of pulp mill are provided. The model based approach for the batch digester unit is used to generate optimal trajectories of the digester con...
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WO/2010/113922A1 |
Provided is a technology of producing high-ash paper with high yield without worsening the formation of paper or the operability. Paper containing 8 % or more by weight of ash can be manufactured with high yield by injecting one or more ...
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WO/2010/104380A1 |
The present invention relates to a method for manufacturing a resin-impregnated decorative paper, which method comprises the following steps: i) providing a paper, ii) impregnating the paper obtained in step i) with a first, actinic radi...
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WO/2010/069803A1 |
The invention relates to a method for the multiple coating of a fibrous web (F), in which method a first application medium, in a following method step (B) at least one further application medium with a replenishing application device (1...
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WO/2010/069627A1 |
In a method for producing a fibrous material web for single coated papers in particular, the fibrous material mixture used to form the web has, based on the total fresh fiber input, a hardwood semichemical pulp content of > 50 wt %, wher...
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WO/2010/069776A1 |
The invention relates to a curtain applicator (1) for coating a running paper, board or other material web (2) with at least a fluid to a paste-like application medium (M), having a curtain application head (3) arranged above the materia...
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WO/2010/070525A2 |
Fibrous articles are disclosed containing an additive composition. The additive composition, for instance, may include a water-soluble film forming component and water-soluble modifying components that is deposited at least at the surfac...
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WO/2010/071797A1 |
The invention provides an ink jet recording sheet which is highly resistant to printings smearing, running, feathering, color bleeding, or fading when wet, humid, or exposed to intense or continual light. The recording sheet has a solid ...
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WO/2010/056447A1 |
A composite structure includes a resin and a plurality of titanium dioxide fibers provided in the resin.
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WO/2010/052571A2 |
A method is provided for producing a wide range of high quality coated recyclable paper or paperboard for use in a variety of applications. In accordance with the process, paper or paperboard is coated with a polymer emulsion in one or m...
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WO/2010/048466A1 |
A device (10) for sealing one or both ends of a metering nip. The device (10) comprises a high pressure chamber (12) and a low pressure chamber (14), with each chamber (12,14) comprising a sealing element (18,22) operatively adapted so a...
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WO/2010/042162A1 |
Embodiments include a coated paper or paperboard with a multilayer coating and methods of forming a coated paper or paperboard with the multilayer coating. The multilayer coating includes a first water vapor barrier layer, a biopolymer b...
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WO/2010/041226A1 |
The invention relates to a method for making a security document comprising a fibrous material shaped in a paper machine, in which a security element (1) is incorporated into the security document, said method comprising a step consistin...
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WO/2010/040781A2 |
The invention relates to a device (10) for impregnating a web-type material (12) with thermally curable impregnating resin (16), comprising a resin tank (26), in which the web-type material (12) is brought into contact with the impregnat...
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WO/2010/040682A1 |
The invention relates to a roller (1), in particular for a machine for producing or finishing a paper, board or other fibrous material web. Said roller comprises a roller core (2) and a cover (3), which is situated on the roller core (2)...
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WO/2010/035189A2 |
Tissue webs, such as are useful for making bath tissue, can be surface- treated in a pattern with selected papermaking chemicals, such as debonders and strength agents, to selectively improve the directional properties of the resulting t...
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WO/2010/023224A1 |
The invention describes a process for preparing a buffer solution in a papermaking process wherein the buffer solution is used for controlling the alkalinity, pH and/or hardness of a process stream, e.g. an aqueous pulp suspension, in th...
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WO/2010/018302A1 |
The invention relates to a method for making paper, in which method a layer of surface treating agent is formed onto the surface of the base paper. A roll is used for applying the surface treating agent, which roll has in its cylindrical...
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WO/2010/014704A1 |
Sizing solution delivery systems for a sizing press and methods for reducing sizing solution volumes generally include a service tank containing an untreated sizing solution (e.g., starch), a standpipe having a volume capacity of less th...
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WO/2010/001153A1 |
There is disclosed a process for coating a continuous web of paper in which a paper coating composition is applied to the surface of the web of paper to form a coating thereon and excess coating composition collected for re-use, wherein ...
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WO/2009/144017A1 |
The invention relates to a device for applying application means as needed, particularly in the paper-processing industry before and/or after printing. The application device comprises at least two application stations having a chain of ...
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WO/2008/107617A9 |
The invention concerns a coated white paper having a fluorescence intensity higher than 55 as measured, in accordance with international standard ISO 11475: 2004, by the difference between the value of the CIE whiteness under the D65 ill...
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WO/2009/127775A1 |
The invention relates to a method (1) for controlling the curling of a paper/board web (W) for a heat sensitive product (2), said method comprising the use of an applicator device (5) for applying at least one coating agent or the like s...
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WO/2009/120965A2 |
A method of mixing paper stock, having improved outlet consistency, includes: (a) feeding liquid and feeding paper pulp into a vessel to form a mixture; (b) providing at least one counterflow impeller that is submerged in the mixture, th...
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WO/2009/114750A1 |
A method of monitoring and optionally controlling the addition of one or more surface additives to a papermaking process via fluorometric means is disclosed.
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WO/2009/106968A2 |
The invention refers to a method for forming particles or droplets of at least one substance comprising the steps of providing a foamed medium, which foamed medium comprises said substance, and forming particles or droplets of said subst...
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WO/2009/105343A2 |
Smoking articles (10) having reduced ignition proclivity characteristics are disclosed. The smoking articles include a paper wrapper (14) containing cellulosic fibers and filler particles. The paper wrappers are formed so that the filler...
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WO/2009/092761A2 |
A counter roll (26) is positioned to engage a paper or board web (24) in a paper or board making machine along a contact line. A pressure-sensitive EMFi film (28) is disposed on the counter roll to measure the pressure profile of the web...
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WO/2009/091406A1 |
A coated paper or paperboard with improved compressibility such that its surface smoothness property may be enhanced with a reduced surface pressure level is disclosed. The coated paper or paperboard includes a paper stock and a compress...
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WO/2009/087479A2 |
A method and apparatus of manufacturing a web which is striped with add-on material, comprising: a first slurry supply 8 which forms a sheet of base web and moves the sheet along a first path; a second slurry supply 12; and a moving orif...
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WO/2009/080136A1 |
A smoking article comprises a tobacco rod and a wrapper, wherein the wrapper includes at least one zone treated with an inorganic salt providing reduced ignition propensity. Preferably, the porosity of the wrapper in the treated zones is...
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