| Document |
Document Title |
|
WO/1998/028378A1 |
The invention relates to a paper compound material with repulp-resistant adhesive coating, consisting of a paper carrier and an adhesive layer, characterized in that an intermediate coat of a dispersion polymer film containing a protecti...
|
|
WO/1998/028490A1 |
In order to produce paper from fibrous material, a prepared substance is conveyed to a paper machine (15) with a head box. The substance can contain, for example, a mixture of different recycling paper types with cellulose. In accordance...
|
|
WO/1998/028486A1 |
The invention aims at optimizing the functioning of the installations used in the production of mechanical wood pulp and/or refiner mechanical pulp. In accordance with the invention, continuous spectra of electromagnetic radiation and/or...
|
|
WO/1998/026877A1 |
Coating blade for applying coating material onto a travelling web (41), particularly coating liquid onto a travelling paper web, comprising a steel band (3), which, along the edge section (7) intended to engage the web (41), is provided ...
|
|
WO/1998/026282A1 |
An apparatus for sensing three properties of materials: the conductivity or resistance, the dielectric constant, and the proximity of the material to the sensor portion of the apparatus. The apparatus includes a fixed impedance element c...
|
|
WO/1998/024974A1 |
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...
|
|
WO/1998/024973A1 |
The invention relates to a process for the production of paper on a paper machine containing a dilution headbox in which a main aqueous flow containing cellulosic fibres and filler is mixed in said headbox with a diluting aqueous flow to...
|
|
WO/1998/023815A1 |
Paper or paper board is made by adding cationic polymeric retention aid to a cellulosic suspension, shearing the suspension to degrade the resultant flocs, aggregating the suspension by adding an aqueous composition of bentonite or other...
|
|
WO/1998/022653A1 |
Starch is added to the thinstock in a papermaking process in the form of a coagulated slurry containing undissolved starch particles, cationic polymeric flocculant and anionic microparticulate network agglomeration aid, such as bentonite...
|
|
WO/1998/022655A1 |
A method for manufacturing a metallized paper material, comprising the steps of: providing a paper material having a wax or lubricant; coating one side of the piece of paper material with a metal; contacting one side of said piece of pap...
|
|
WO/1998/021408A1 |
A flow system apparatus has a dual chamber for directing countercurrent flows of coating within the chambers from inlet to exit ends in each chamber. Each chamber has a plurality of longitudinally extending flow openings for permitting t...
|
|
WO/1998/020202A1 |
Method for coating a moving paperboard web (6) with at least two coating layers. In the method, a first coating layer is applied onto the surface of the web (6) and a second coating layer is applied onto the surface of this first undried...
|
|
WO/1998/019010A1 |
The invention relates to tissue products having improved softness properties and methods of making them. Specifically, improved softness is achieved by incorporating a cationic amidoamine into the fiber furnish at the wet end of the tiss...
|
|
WO/1998/017863A1 |
A known method of producing abrasionproof laminate involves depositing a mixture of liquid resin and fine grain corundum on paper web by means of a wire-wound doctor in a reverse coating system or an intaglio printing cylinder. It has be...
|
|
WO/1998/016570A1 |
A method of making paper in which dry chemical additives are incorporated into the pulp mixture by addition of an entire bag containing the additive directly to the mixture, the improvement being that the bag is sealed with an adhesive c...
|
|
WO/1998/014326A1 |
The invention relates to a polymer composition which is attached on top of a suitable substrate through extrusion coating, lamination or in other ways and forms at least one layer in the coating. The polymer composition contains at least...
|
|
WO/1998/012384A1 |
The invention is a method of enhancing the strength of paper products, particularly the dry strength, without adversely affecting repulpability. It is also directed to the resulting products. It is particularly applicable but not limited...
|
|
WO/1998/011999A1 |
A method for transferring in an encapsulated space (1), with the aid of high voltage, additional material (5) onto the surface of a material web (2) moving through the space. The additional material which is added onto the surface of the...
|
|
WO/1998/006899A1 |
A method of treatment and use of an aqueous coating composition which includes the steps of (a) concentrating the composition to increase the solids content thereof and (b) employing the concentrated composition to coat a sheet material,...
|
|
WO/1998/006504A1 |
Coating devices for application of coating material to the surface of a web or a flexible substrate (18) wherein the coater may be modified to provide an air layer between the coating liquid and any lower boundary. The coater devices of ...
|
|
WO/1998/003731A1 |
The present invention pertains to an improved method of internally sizing a cellulosic article and an improved internally sized cellulosic article where a water-dispersible, water- and alkali-insoluble internal sizing agent from an inter...
|
|
WO/1998/001623A1 |
The invention relates to a process for producing paper and cardboard by dehydration of pulps, forming sheets and drying said sheets. Polyethylene imines of a molar mass M�w? of greater than 500 000 or polymers containing vinyl amine un...
|
|
WO/1998/001622A1 |
The invention relates to a process for improving the capacity of gravure printing and offset printing for printing paper. To increase the filler proportion in the paper web before or during formation, the outer layers of the material sus...
|
|
WO/1997/047809A1 |
A chemically enhanced paper structure (20) having a discrete pattern of a chemical composition is disclosed. The paper structure (20) comprises a cellulose substrate (22) such as tissue paper. The substrate has regions of relatively high...
|
|
WO/1997/047810A1 |
A method for making a surface coated or impregnated paper or paperboard by applying an aqueous additive dispersion to the wet web between the press and drying sections of a conventional paper or paperboard making machine. The aqueous add...
|
|
WO/1997/046381A1 |
The invention relates to a polylactide-coated paper or board product which is made by coextrusion wherein the polylactide is extruded together with a conventional polymer, such as a polyolefin, onto the surface of the paper, and after th...
|
|
WO/1997/045591A1 |
A method of applying a powder coating to a length of lignocellulosic material such as for example a sheet of paper includes the steps of: (a) impregnating the length of lignocellulosic material with an impregnating composition comprising...
|
|
WO/1997/041303A1 |
Fire retardant cellulosic material comprises from 0.4 to 2.0 % by weight of tin and from 0.4 to 8.0 % by weight of boron based on the weight of the cellulosic material. The fire retardant material is prepared in a two-stage or a one-stag...
|
|
WO/1997/041300A1 |
The invention concerns a process for thermo-mechanical surface treatment of webs, particularly paper and cardboard webs, and means to carry out the process. According to the claimed process, the adhesion between the web and the surface o...
|
|
WO/1997/041302A1 |
A paper composition and method of making affording enhanced rosin sizing of paper containing metal salts are disclosed. The paper composition comprises a rosin type paper composition and filler or coating material and rosin in increased ...
|
|
WO/1997/038797A1 |
Device for the application of a coating composition on a travelling web (17) comprising a transfer roll (5), a support roll (3) cooperating with the transfer roll (5), the travelling web being fed in a nip between said rolls, further com...
|
|
WO/1997/039189A1 |
A method for imparting dry strength to paper by adding to a pulp slurry during a paper-making process a mixed resin solution containing (i) an aminopolyamide-epichlorohydrin resin and (ii) a glyoxylated acrylamide-dimethyl diallyl ammoni...
|
|
WO/1997/037081A1 |
A process for incorporating a fine non-cellulosic particulate filler into a creped tissue paper comprises the steps of: a) contacting an aqueous dispersion of a non-cellulosic particulate filler (34) with an aqueous dispersion of an anio...
|
|
WO/1997/037080A1 |
A process for incorporating a fine particulate filler such as kaolin clay into tissue paper is disclosed. The process results in strong, soft, and low dusting tissue paper webs useful in the manufacture of soft, absorbent sanitary produc...
|
|
WO/1997/036047A1 |
A method for production of absorbent material having improved sorptive capacity, which material comprises cellulosic fibres, in which the fibres are treated, in the presence of water, with a hydrophobic substance having a specific surfac...
|
|
WO/1997/036049A1 |
The invention relates to a process for coating a board- or paper-like substrate with a powder paint composition. The powder paint particles are first charged by friction or induction in the presence of magnetic or non-magnetic particles,...
|
|
WO/1997/036053A2 |
The present invention relates to paper products having temporary wet strength. The paper products contain cellulosic fibers that are treated with a polyaldehyde polymer having free aldehyde groups and a water soluble polyhydroxy polymer....
|
|
WO/1997/034049A1 |
The present invention relates to a method for treating boards, characterised in that the boards are held substantially vertical and that spraying with a treating liquid is performed mainly against the upper edge of the boards as well as ...
|
|
WO/1997/033041A1 |
Paper making processes, including microparticulate processes, which utilise bentonite are provided with bentonite in the form of a concentrate, or a dilute dispersion made by diluting the concentrate, wherein the concentrate is a dispers...
|
|
WO/1997/033040A1 |
Alkaline earth bentonite can be activated by the use of sodium citrate or other organic sequestering agent as activator. Dry blends of the activator and the bentonite can be provided.
|
|
WO/1997/033042A1 |
An applicator head is positioned beneath a backing roll over which a substrate can be drawn. The applicator head has a housing which contains a pond of coating material between an up machine overflow lip and a down machine extraction pla...
|
|
WO/1997/032074A2 |
A method of preparing a sheet of a lignocellulosic material such as paper for the manufacture of a finished product, includes the steps of impregnating the sheet with an impregnating composition comprising a composition for the chemical ...
|
|
WO/1997/031152A1 |
Sizing dispersions of liquid reactive size are made by dispersing the reactive size as a neat liquid into a dispersion of bentonite or other anionic microparticulate material in water. These dispersions can be used for internal sizing, f...
|
|
WO/1997/030222A1 |
Filled paper is made by adding a cationising amount of cationic polymer to precipitated calcium carbonate or other filler either as a slurry or in a thick stock component, producing a thin stock containing the cationised filler and then ...
|
|
WO/1997/030219A1 |
Filled paper is made by adding a cationising amount of cationic polymer to a slurry of precipitated calcium carbonate, mixing this slurry into a cellulosic suspension and forming a thin stock, mixing a polymeric retention aid into the th...
|
|
WO/1997/030220A1 |
Filled paper is made by adding a cationising amount of cationic polymer to a slurry of precipitated calcium carbonate, mixing this slurry into a celulosic suspension and forming a thin stock, adding anionic particulate material to the su...
|
|
WO/1997/029239A1 |
The invention concerns a method in film transfer coating, in which the coating agent is applied as a film (F1, F2) onto the face of at least one of the rolls (12, 16) that form a film press nip (N), from which roll face the coating agent...
|
|
WO/1997/029238A1 |
A suspension of uncooked starch and water is applied to web forming on the wire (12) of a paper machine. The suspension at a consistency of 2-10 % is applied to the surface of the web as a free falling curtain (30) from the downwardly op...
|
|
WO/1997/026408A1 |
The invention relates to a procedure for the marking of paper and detection of marked paper for sorting when the paper is recycled, in which procedure a chemical tracer corresponding to the number of times the pulp has been used in the p...
|
|
WO/1997/022754A1 |
Fibrous product is externally sized by applying to the material a basic aqueous dispersion of an interpolymer of an ethylenically unsaturated monomer and an ethylenically unsaturated carboxylic acid comonomer. The preferred dispersions w...
|
