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WO/1999/067462A1 |
A method for calendering paper or board in the manufacture of coated grades of paper or board. According to the method, at least one of the surfaces of an uncoated base material web is calendered, at least one layer of coating mix being ...
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WO/1999/067467A1 |
The invention concerns a method in a film press, in which the web(W) is coated or surface-sized from at least one side. In the film press (10) a film press nip (N) is formed between a first and a second film press roll (12, 16), and the ...
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WO/1999/067466A1 |
In the method for treating the surface of the web, liquid is added on the surface of a paper or paperboard web (W), possibly with other constituents. The absorbency of the surface of the paper or paperboard web is increased before liquid...
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WO/1999/067468A1 |
The invention concerns a method in film transfer coating in a film press, in which press the nip (N) of the film press is formed out of two faces placed against each other and moving in the same direction so that said moving faces are pr...
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WO/1999/066128A1 |
The invention relates to marking materials and security markings and to a method for integrating these into the pulp line of documents, bond paper, banknotes, packaging and goods. The invention also relates to a method for testing the el...
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WO/1999/066130A1 |
The invention relates to an improved method for manufacturing paper using a cross-linked polymer as a main retaining agent, whereby said polymer is prepared in an invert emulsion and sheared before it is introduced into the fibrous matte...
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WO/1999/066129A1 |
The invention concerns a method for optimizing the degree of flocculation in a headbox. The degree of flocculation is measured continuously from a stock flow (M¿1?) / stock flows by means of a detector (R¿1?) of flocculation, and the d...
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WO/1999/064677A1 |
The invention relates to a process for making paper wherein an anionic starch, which is based on a starch comprising at least 95 wt.%, based on dry substance of the starch, of amylopectin, or a derivative of said starch, is used in combi...
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WO/1999/063158A1 |
Disclosed is a soft, low density paper product made using papermaking fibers and a cationic temporary wet strength resin. Such paper products have a density less than about 0.6 grams per cubic centimeter, a basis weight is between about ...
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WO/1999/063159A1 |
The invention concerns an improved method for making paper which consists in using as main retention agent a branched polymer prepared in invert emulsion and bentonite as secondary retention agent (dual type system). The two additions ar...
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WO/1999/061703A1 |
The invention relates to a process for regulating the porosity and printing properties of paper, in particular uncoated wood-containing paper such as SC-paper, wherein a sufficient quantity of colloidal PCC having a BET surface area of 1...
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WO/1999/060209A1 |
The invention relates to a cationic polymer composition for improving the retention, drainage, and formation properties of paper and paperboard products. The cationic polymer composition comprises at least two coagulants where the first ...
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WO/1999/060210A1 |
The present invention relates to an applicator apparatus (10) for a film-transfer coater. The applicator apparatus (10) includes an applicator chamber (2) bordered by an area (B) on the surface of said rotating applicator roll (1) and by...
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WO/1999/059808A1 |
The invention relates to a method for producing paper-based composites consisting of at least two layers, according to which a water-soluble hot-melt adhesive is applied onto a first paper layer and at least a second paper layer is paste...
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WO/1999/055965A1 |
The invention relates to a process for the production of paper from a suspension containing cellulosic fibres, and optional fillers, which comprises adding to the suspension a drainage and retention aid comprising a cationic organic poly...
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WO/1999/055964A1 |
The invention relates to a process for the production of paper from a suspension containing cellulosic fibres, and optional fillers, which comprises adding to the suspension a drainage and retention aid comprising a cationic or amphoteri...
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WO/1999/055962A2 |
The present invention relates to a process for the production of paper from a suspension containing cellulosic fibres, and optional fillers, comprising adding to the suspension drainage and retention aids comprising a cationic organic po...
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WO/1999/055966A1 |
Method and arrangement for coating a paper or board web, wherein the web (1) to be coated is brought to a film transfer coater and taken to a nip (12) between the film transfer roll (3) of the coater and its backing roll (4), and coating...
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WO/1999/055961A1 |
A collimator (10), in combination with a source of curing radiation (30), for use in a process for curing a photosensitive resin disposed on a working surface and having a machine direction (MD) and a cross-machine direction (CD) perpend...
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WO/1999/054548A1 |
Aqueous paper size dispersions comprising: a) at least one paper sizing compound, and b) a water-soluble dispersant containing at least two hydrophilic groups and at least one hydrophobic group. Gemini surfactants having at least two hyd...
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WO/1999/054741A1 |
System and method for producing paper that employ an apparatus for measuring electrical characteristics of a fibrous composition. The apparatus comprises a plurality of conductivity (or resistance) detectors (26) each comprising a sensor...
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WO/1999/051431A1 |
This invention relates to the synthesis from PET (virgin, recycled, post consumer, or precursor raw materials) of novel water dispersible or water emulsifiable polyester resins having improved hydrophobicity or non-polar characteristics....
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WO/1999/051817A1 |
A method is disclosed for controlling the amount of polyelectrolyte present in a pulp or papermaking process stream, that is not a wastewater or color removal stream, by adding a fluorescent material having an opposite charge as compared...
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WO/1999/051811A2 |
A sensor imbedded rolle (40) for detecting changes in properties of a material and a measurement apparatus including a fixed impedance element coupled in series with a variable sensor imbedded roller (40) between an input signal and a re...
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WO/1999/051430A1 |
This invention relates to the synthesis from PET (Virgin, recycled, post consumer, or precursor raw materials) of novel water dispersible or water emulsifiable polyester resins having improved hydrophobicity or non-polar characteristics....
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WO/1999/050501A1 |
The invention relates to a device for applying a coating substance to a continuous paper web in a process for producing abrasion-resistant laminates for manufacturing decorative paper. Said coating substance consists of a viscous mixture...
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WO/1999/050500A1 |
A method for making alkaline fine paper which comprises adding (i) a glyoxylated acrylamide-diallyldimethyl ammonium chloride resin and (ii) an aminopolyamide-epichlorohydrin resin to an alkaline fine paper pulp slurry containing filler ...
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WO/1999/049905A2 |
In accordance with the invention there is provided a process to form a nonwoven, wet-laid, superabsorbent, polymer particle-impregnated fibrous structure on a commercial scale wet-forming machine having a head box, a forming section and ...
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WO/1999/047095A1 |
An absorbent composite (10) that includes a fibrous matrix having absorbent material dispersed in bands (12) along the composite's length is disclosed. The bands define liquid distribution zones (14). On liquid contact, absorbent materia...
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WO/1999/047094A1 |
Methods for forming an absorbent fibrous composite containing absorbent material dispersed in bands through the composite and along the composite's length are disclosed. The methods generally include depositing a fibrous slurry on a fora...
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WO/1999/046117A1 |
A sheet having a powder coating thereon, which comprises a substrate and, coated thereon, a resin layer containing particles of a powder coating composition having a particle diameter of 0.1 to 30 $g(m)m, which are distributed uniformly ...
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WO/1999/045202A1 |
The invention relates to papermaking processes wherein calcium carbonate is included in a pulp suspension. The dissolution of the calcium carbonate in the papermaking system is substantially retarded by the introduction of carbon dioxide...
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WO/1999/045203A1 |
The present invention relates to a method of coating a moving web of paper or board from both sides with at least one coat layer. According to the method, the coat is applied to the web by means of a film transfer coater (12) and next th...
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WO/1999/045201A1 |
The invention is a method for improving the efficiency of aqueous cationic wet strength additives by pretreating cellulose surfaces with reactive anionic compounds, thus providing the cellulose surface with additional anionic sites suita...
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WO/1999/043887A1 |
The present invention relates to a method of and apparatus for feeding a chemical into a liquid flow. The method and apparatus according to the invention are most preferably utilized for feeding a retention aid into fiber suspension flow...
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WO/1999/041454A1 |
The invention relates to a method and device for disacidifying paper products with printings or inscriptions (thereafter called 'books'). According to said method, book pages to be treated are wide opened by means of an opening jet and t...
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WO/1999/038904A1 |
The mulch comprises a sheet of cellulose fibres having a basis weight between about 40 g/m?2¿ and 60 g/m?2¿. The sheet has at least one face coated with a layer of polylactide, which is used in an amount such that it weighs between abo...
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WO/1999/036618A1 |
A moisture barrier paper is comprised of a fiber mat and a unique moisture barrier coating (50). The moisture barrier coating (50) coats substantially every fiber throughout the fiber mat. The moisture barrier paper is created in a wet-e...
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WO/1999/035333A1 |
The invention relates to papermaking processes wherein calcium carbonate is included in a pulp suspension. The dissolution of the calcium carbonate in the papermaking system is prevented or substantially retarded by the introduction of c...
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WO/1999/034057A1 |
Chemical additives can be adsorbed on cellulosic papermaking fibers at high levels with a minimal amount of unadsorbed chemical additives present in the papermaking process water. A method includes treating a fiber slurry with an excess ...
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WO/1999/034059A1 |
A method of improving the wet-tensile strength of a cellulosic web including providing a papermaking furnish containing a cellulosic material and water; adding a surfactant to the papermaking furnish; and adding a wet strength resin to t...
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WO/1999/032721A1 |
A system for applying a suspension of uncooked starch particles in water to a web on a forming wire (14) by an applicator die (25) positioned transversely of the web with an internal manifold opening into a downwardly opening die slot th...
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WO/1999/031320A1 |
A cast-coated paper has, on at least one coated surface of a base paper, a coat containing pigment(s) and binder and having low gloss. The coat has a topographical surface profile in which the average peak-to-valley height R¿a? is from ...
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WO/1999/031321A1 |
The use of slit nozzles to coat paper or board strips (B) is known. Said nozzles comprise a slit-like outlet channel (7) and a distribution chamber (3) which extend over the working width, said distribution chamber being attached to the ...
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WO/1999/029958A1 |
The invention relates to a jet applicator station used for coating a moving web (1) of paper or board and to a method of coating a web. The applicator station employed comprises a backing roll (2) supporting the moving web (1), a jet app...
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WO/1999/027183A1 |
The invention relates to a method and equipment for controlling properties of paper, in which method the effect of the flow of retention agent (F¿ra?) and the stock flow (F¿ts?) on the basis weight of the paper (BW) is modelled. The fu...
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WO/1999/027182A1 |
The invention relates to a method and equipment for controlling properties of paper, which method comprises modelling the effect of the flow of retention agent (F¿ra?) both on the amount of filler in the white water and on the paper ash...
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WO/1999/025923A1 |
The present invention comprises an apparatus for making a selectively-coated web. The apparatus comprises a coating means for applying a coating to a web in a plurality of coated regions, the coated regions being in spaced, parallel rela...
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WO/1999/023308A1 |
A coating apparatus for a paper web in which the web is advanced at a high speed on a backing roll. An enclosed coater applies coating material to a roll applicator which is rotating at a slow speed relative to the speed of the backing r...
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WO/1999/022067A1 |
The invention relates to a method and device for applying a liquid or pasty application medium on a running web of material, especially of paper or cardboard, in a twin wire area of a wet splitting device (33) of a paper machine. The inv...
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