| Entries |
| Document | Title | Date |
|---|
| 20080216978 | Cationic polymer latex - There is provided an aqueous liquid domestic composition comprising
| 09-11-2008 |
| 20080230193 | Composition Containing Amphoteric Water-Soluble Polymer - An object of the present invention is to provide a composition excellent in various flocculation performances for various sludge and papermaking systems, especially excellent as a polymer flocculant, and provide a sludge-dewatering agent excellent in dewatering performances for various sludge, especially excellent in flocculationability, as well as a retention aid which can realize a high retention and ensure excellent formation of paper and which is easy to use. | 09-25-2008 |
| 20080289786 | Recording sheet with improved image waterfastness, surface, strength, and runnability - The present invention relates to a sizing or coating composition that, when applied to paper substrate, creates a substrate having improved waterfastness, surface strength, and surface strength as measured by resistance to abrasion. In addition, the present invention relates to paper substrates containing the composition, as well as methods of using and making the paper substrate and composition. | 11-27-2008 |
| 20080302496 | Latex-treated filler slurries for use in papermaking - A continuous filler treatment process has been developed to enhance the fixation of anionic latex on filler in a short time. In this process anionic polymer dispersions (latex) are added to common papermaking filler slurries at ambient temperature and then mixed with water of temperature higher than the glass transition temperature (T | 12-11-2008 |
| 20090020249 | COATING COMPOSITIONS COMPRISING ALKYL KETENE DIMERS AND ALKYL SUCCINIC ANHYDRIDES FOR USE IN PAPER MAKING - Additives for paper making are disclosed herein. Specifically, the additives are wax-free alternatives to conventional coatings, including ASA, AKD and optionally an acrylic containing composition. Other additives may be included in the coating, such as cationic particles or compositions. The coatings may be used at a variety of points during the paper making process, including on the calender stack and in the wet end. | 01-22-2009 |
| 20090139674 | LIGNOCELLULOSE FIBER-RESIN COMPOSITE MATERIAL - A method of making a formed, dried lignocellulose fiber material comprising (a) providing an aqueous lignocellulose fiber pulp slurry having an effective consistency; (b) de-watering the slurry to provide a de-watered material at an effective de-watering rate under an effective pressure to prevent or reduce the formation of fissures and voids within the material; (c) drying an effective amount of the de-watered material at an effective temperature and period of time to provide the formed, dried lignocellulose fiber material having a thickness of at least 5 mm. The formed, dried lignocellulose material may be used to make a lignocellulose fiber-resin composite material of use as a cost effective structural member, as a substitute for steel, in, for example, bridges, processing equipment, and the like. | 06-04-2009 |
| 20090173464 | ACOUSTIC CEILING TILES MADE WITH PAPER PROCESSING WASTE - A composition and process suitable for making acoustic tiles are disclosed. Certain embodiments of the composition comprise: perlite; inorganic material selected from the group consisting of calcium sulfate, calcium carbonate, clay and mixtures thereof; a binder selected from the group consisting of starch, a combination of starch and cellulosic fibers, latex, kraft paper gel and mixtures thereof; optionally mineral wool; optionally gypsum; and cellulosic fiber, wherein at least a portion of the cellulosic fiber and at least a portion of the inorganic material are pulp and paper processing waste comprising cellulosic fiber, clay and calcium carbonate. Certain embodiments of the process comprise: forming an aqueous slurry; continuously flowing slurry onto a moving foraminous wire to form a cake; dewatering the cake to form a base mat; and drying the base mat. | 07-09-2009 |
| 20090236065 | SILICEOUS COMPOSITION AND ITS USE IN PAPERMAKING - An aqueous polysilicate composition comprising a polysilicate microgel based component in association with particles derived from colloidal polysilicate. The invention also concerns a process for preparing an aqueous polysilicate composition comprising mixing an aqueous colloidal polysilicate with an aqueous phase of a polysilicate microgel. The aqueous polysilicate composition is more effective than colloidal silica and is more stable than a conventional polysilicate microgel. | 09-24-2009 |
| 20090283230 | ADDITIVE, USE OF SAID ADDITIVE IN PAPER OR BOARD PRODUCTION, A METHOD OF IMPROVING PAPER OR BOARD MANUFACTURING AND A METHOD OF IMPROVING PAPER OR BOARD PRODUCT - An additive for paper or board production e.g. for decreasing pitch problems. The additive includes at least a component including fatty acid glycerides, preferably triglycerides, comprising a high percentage of unsaturated, preferably polyunsaturated, fatty acids. Raw or partly polymerized plant oil, such as sunflower oil, may be used. | 11-19-2009 |
| 20100032116 | BUILDING MATERIAL FOR FORMING AN ARCHITECTURAL SURFACE COVERING AND METHOD FOR PRODUCING THE SAME - A building material for use in forming exterior surface coverings. According to a preferred embodiment, the building material consists of the combination of a paper material, bonding agent, and water. The building material can either be formed directly upon a substrate, such as a wall or ceiling, or otherwise formed as a sheet of material or molding that can thereafter be affixed to a given surface or substrate. The building materials can be customized to have a specific type of color, shape and texture, and can further be utilized in a wide variety of building applications. | 02-11-2010 |
| 20100132901 | PROCESS FOR IMPROVING OPTICAL PROPERTIES OF PAPER - The present invention is directed to a method of efficiently maintaining or increasing brightness and whiteness of refined paper. In one aspect, the invention is directed to a method for substantially maintaining (or even increasing) brightness and/or whiteness of paper with increased pulp refining, the method including refining the pulp down to reduce the freeness at least about 100 CSF and adding a combination of an OBA and a carrier polymer to the paper surface in the size press in amounts sufficient to increase brightness and/or whiteness of the final paper. In another aspect, the invention is directed to a method of making paper from refined pulp that includes refining a cellulosic fiber suspension to reduce the freeness at least about 100 CSF and contacting the cellulosic fibers with at least one optical brightening agent (OBA) during or after the refining step prior to adding any additional wet end chemicals. | 06-03-2010 |
| 20100132902 | PAPER AND METHOD FOR MAKING PAPER - The invention relates to a paper that is formed of a fibre-based source material and is applicable as printing paper. According to the invention, the surface of the paper is surface-treated by arranging on the surface sufficient density in such manner that the density of at least one surface layer of the paper is sufficiently high to yield a Gurley-Hill value of over 7000 s/100 ml as measured from the entire paper. Furthermore, the invention relates to a method for making paper. | 06-03-2010 |
| 20100139878 | Method for Manufacturing Reduced-Weight Paper, Thin Cardboard and Cardboard, and Compounds Obtained Therewith - The invention concerns a compound for manufacturing paper or cardboard, comprising a mixture of cellulose fibres and heat-expandable substances suited to generate closed microbubbles, in water dispersion, and wherein the mixture also contains additive substances like bonding agents, mineral fillers, coatin starches. | 06-10-2010 |
| 20100193147 | ANIONIC FUNCTIONAL PROMOTER AND CHARGE CONTROL AGENT WITH IMPROVED WET TO DRY TENSILE STRENGTH RATIO - The invention relates to a composition comprising (a) a functional promoter comprising a water-soluble anionic polymer having a molecular weight of at least about 50,000 daltons and a molecular weight charge index value of at least about 10,000; (b) a cationic surfactant component; such that when the composition treats a fibrous substrate, in conjunction with a cationic strength agent, the treated fibrous substrate exhibits (i) a ratio of wet tensile strength to dry tensile strength ranging from about 1:5 o to about 1:2 and (ii) an increase in a ratio of wet tensile strength to dry tensile strength of at least about 10%, as compared to when the fibrous substrate is treated with the functional promoter and without a surfactant. The invention also relates to a paper product made with such a system, and method for imparting wet strength to a paper product with the functional promoter. | 08-05-2010 |
| 20100212852 | PAPER FOR LAMINATE FLOORING AND A PROCESS FOR THE MANUFACTURE THEREOF - A process for the manufacture of a paper suitable for use in a laminated product is described. The process comprising: (a) impregnating the paper preferably on the paper machine with melamine resins dissolved in a solvent, the melamine resins being more than 80% water soluble; the solution having a solids content of less than 50% such that ink may be added to the paper following impregnation. Thus in contrast to established techniques, an ink-pattern is preferably added to the paper after the paper has been treated, preferably impregnated, with resin. In preferred embodiments the paper is calendered after addition of the resins in step (a). The paper can then be further impregnated after printing then combined with a substrate to form a laminated flooring product. Step (a) reduces the wet-expansion caused by the later addition of further resins and is especially useful when step (a) is performed before adding the ink-pattern which then also reduces wet expansion caused by the addition of ink. Embodiments of the present invention are particularly useful for use with embossed or indented laminate flooring designs, where the indentations in the substrate must be matched with the pattern on the paper. The low wet expansion results in a process where less waste can occur and wherein the indentations may be much smaller than conventional laminate flooring allowing more intricate designs to be made. | 08-26-2010 |
| 20100300632 | METHOD AND ARRANGEMENT FOR FEEDING CHEMICALS INTO A PULP PROCESS STREAM - 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. | 12-02-2010 |
| 20110056640 | Reactive Cationic Resins for Use as Dry and Wet Strength Agents in Sulfite Ion-Containing Papermaking Systems - This invention relates to resins useful for imparting strength to paper, the process of incorporating these resins into paper and paper produced containing the resins. In particular the invention relates to resins useful for imparting dry-strength and wet strength to paper under conditions of high sulfite ion concentrations. | 03-10-2011 |
| 20110088860 | CELLULOSIC PRODUCT - The present invention relates to a process of producing a cellulosic product comprising (i) providing an aqueous suspension of cellulosic fibers, (ii) adding microfibrillar polysaccharide, (iii) adding thermoplastic microspheres, (iv) dewatering the suspension and forming a cellulosic product. The invention also relates to a process of producing a single layer cellulosic product comprising (i) providing an aqueous suspension of cellulosic fibers, (ii) adding microfibrillar polysaccharide derived from softwood and/or hardwood and optionally adding thermoplastic microspheres to the suspension, (iii) dewatering the suspension and forming a cellulosic product. The invention further relates to a cellulosic product obtainable from said processes. The invention also relates to a composition comprising microfibrillar polysaccharide and thermoplastic microspheres and the use thereof. | 04-21-2011 |
| 20110146925 | ALDEHYDE-FUNCTIONALIZED POLYMERS WITH ENHANCED STABILITY - The current invention includes a composition having stability additives of selected inorganic salts and/or organic incorporated into an aldehyde-functionalized polymer product. The stability additive can be post added to the finished polymer product, added to the reaction vessel prior to inducing functionalization of the non-functionalized polymer, or added at any stage during the functionalization reaction. Methods for forming the composition and using the composition to produce a cellulosic fiber-based medium are also disclosed. | 06-23-2011 |
| 20110162812 | PAPER MANUFACTURING USING AGGLOMERATED HOLLOW PARTICLE LATEX - Agglomerated hollow particle latex is employed as a filler in the wet end of the paper-making process to provide paper with improved properties. | 07-07-2011 |
| 20110240240 | AQUEOUS POLYSILICATE COMPOSITION, ITS PREPARATION AND ITS USE IN PAPERMAKING - The invention relates to an aqueous polysilicate composition comprising i) particles of polysilicate seeds, ii) polymerised silicate in intimate association with the polysilicate seeds, iii) cross linkages within the polymerised polysilicate formed from aluminium atoms, aluminium compounds or aluminium ions, iv) cross linkages within the polymerised polysilicate formed from atoms, compounds or ions of a multi-valent metal other than aluminium. Preferably the aqueous polysilicate composition further comprises component v) a water-soluble branched anionic polymer that has been formed from ethylenically unsaturated monomers. The invention also incorporates a method for preparing an aqueous polysilicate composition and also to the use of the aqueous polysilicate composition as a retention/drainage aid in a process of making paper or paperboard. | 10-06-2011 |
| 20110253332 | FIBROUS STRUCTURES COMPRISING A LOW SURFACE ENERGY ADDITIVE - Fibrous structures comprising an additive, more particularly finished fibrous structures comprising a low surface energy solid additive, and/or sanitary tissue products comprising such finished fibrous structures, are provided. | 10-20-2011 |
| 20110308751 | CELLULOSE ARTICLES CONTAINING AN ADDITIVE COMPOSITION - In one embodiment, the present invention provides a method of forming a cellulose article having a specific volume of less than 3 cc/gm. The method includes the step of incorporating cellulose fibers with a compound, wherein the compound includes an aqueous dispersion. The aqueous dispersion may have at least one polymer selected from the group consisting of an ethylene-based thermoplastic polymer, a propylene-based thermoplastic polymer, and mixtures thereof; at least one polymeric stabilizing agent; and water. In certain embodiments, a combined amount of the at least one polymer and the at least one stabilizing agent comprises about 25 to about 74 volume percent of the aqueous dispersion. | 12-22-2011 |
| 20120012263 | Method for manufacturing prepreg - A method of manufacturing a prepreg. The method includes step (I) of dispersing a reinforcing fiber bundle to obtain a reinforcing fiber base material, step (II) of providing a binder to the reinforcing fiber base material produced in the step (I), and step (III) of hybridizing a matrix resin composed of a thermoplastic resin with the reinforcing fiber base material provided with the binder produced in the step (II), wherein the steps (I) to (II) are carried out online and the prepreg is one such that the content of the reinforcing fiber bundle relative to the whole portion of the prepreg is from 10 to 80% by mass, the content of the binder relative to the whole portion of the prepreg is from 0.1 to 10% by mass, and the content of the matrix resin relative to the whole portion of the prepreg is from 10 to 80% by mass. | 01-19-2012 |
| 20120090800 | COMPOSITE INTERMEDIATE, METHOD FOR FORMING SAME, AND USE OF THE COMPOSITE INTERMEDIATE - A web-type composite intermediate is formed from fibers and plastic. The composite intermediate is formed by wet web formation from a substantially homogeneous liquid mixture which contains natural fibers, plastic particles having a diameter of less than approximately 1000 μm, and an agent that improves compatibility between natural fibers and plastic particles. In addition, a method for forming a composite intermediate and the use of the composite intermediate are also described. | 04-19-2012 |
| 20120103547 | METHOD OF USING ALDEHYDE-FUNCTIONALIZED POLYMERS TO INCREASE PAPERMACHINE PERFORMANCE AND ENHANCE SIZING - Novel sizing mixtures to achieve improved sizing along with other benefits is disclosed and claimed. The invention is a composition comprising a sizing mixture having a stabilizing amount of one or more aldehyde-functionalized polymers and a sizing amount of a sizing composition. The invention is also a method of improving paper and paperboard production and enhancing sizing through adding an effective amount of the disclosed sizing mixture to the paper machine and a method of producing a medium having cellulosic fibers, wherein the method includes adding the disclosed sizing mixture to the medium at any point in a papermaking process. | 05-03-2012 |
| 20120152476 | HIGH STRENGTH PAPER - Disclosed herein are systems and methods for attaching particulate additives to a population of cellulose fibers dispersed in an aqueous solution. The cellulose fibers are treated with an activator that forms complexes with them. The particulate additive is attached to a tether that is capable of interacting with the activator, thereby forming a tether-bearing particulate additive. The tether-bearing particulate additive can be added to the activated suspension of cellulose fibers. The resulting interaction between the tether and the activator forms durable complexes that attach the particulate additive to the cellulose fibers. Using these systems and methods, useful additives like starches can be attached to cellulose fibers, imparting advantageous properties such as increased strength to paper products formed thereby. These systems and methods are particularly useful for papermaking involving virgin pulp fibers, recycled fibers, or any combination thereof. | 06-21-2012 |
| 20120255696 | PROCESS FOR MAKING A STIFFENED PAPER - A process for making a stiffened and rigid paper includes preparing a pulp slurry consisting essentially of water, a cellulosic pulp, a crosslinker, and a starch, and optionally a binder; draining the liquid from the pulp slurry to form a web; and drying the web. Alternatively, a process for making a stiffened and rigid paper includes the step of adding at least one crosslinker at one or more locations, such as at the wet-end, dry-end, or at both ends of the papermaking process. Suitable crosslinkers include a glyoxal-containing crosslinker, a gluteraldehyde, a polyfunctional aziridine, a zirconium-containing crosslinker, a titanium-containing crosslinker, and an epichlorohydrin, and mixtures thereof. When a binder is employed, it can be added either in the dry or wet form. Provided is a neutral or alkaline process to produce a paper product having the improved mechanical properties of a laminated product in the Z-direction, without a lamination step. | 10-11-2012 |
| 20130020041 | METHOD AND ARRANGEMENT FOR FEEDING CHEMICALS INTO A PULP PROCESS STREAM - 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. | 01-24-2013 |
| 20130333852 | FLUTABLE FIBER WEBS WITH HIGH DUST HOLDING CAPACITY - The fiber webs described herein may be incorporated into filter media and filter elements. The fiber webs may exhibit a high dust holding capacity. The fiber webs may also exhibit a low thickness. The fiber webs may be sufficiently flexible and/or deformable so that they may be processed to include a series of waves (also known as flutes) that extend along the cross-machine direction. | 12-19-2013 |
| 20140027079 | GLYCEROL-BASED POLYMERS FOR REDUCING DEPOSITION OF ORGANIC CONTAMINANTS IN PAPERMAKING PROCESSES - Described herein are methods of reducing the deposition of organic contaminants, such as pitch and stickies, in papermaking processes. | 01-30-2014 |
| 20140360689 | Superamphiphobic Paper - In a method of making a superamphiphobic paper, a fibrous pulp is refined in water to generate fibrils of an average diameter. The water is drained from the fibrils through a mesh. A less polar than water liquid is added to the fibrils, thereby suspending the fibrils therein so as to inhibit agglomeration between the fibrils. The less polar than water liquid and any remaining water are drained from the fibrils. The fibrils are pressed and dried so as to form the paper in which the fibrils have an average spacing. Amorphous phase cellulose is removed from the paper. A predetermined compound is deposited onto a selected surface of the paper. The average diameter and average spacing are chosen so that the paper is phobic to the first liquid. | 12-11-2014 |
| 20140374042 | AQUEOUS SOLUTIONS OF OPTICAL BRIGHTENERS - The instant invention relates to storage stable aqueous solutions of stilbene optical brighteners with polyvinyl alcohols which can be directly used by the papermaker in that they may be diluted with water and/or be metered directly into a coating composition, to provide coated papers of a particularly high whiteness. | 12-25-2014 |
| 20150292160 | LAMINATES PREPARED FROM DECOR PAPER COMPRISING SELF-DISPERSING PIGMENTS - The disclosure provides paper laminate comprising a décor paper, wherein the décor paper comprises a self-dispersing pigment having an isoelectric point of at least about 8, comprising an inorganic particle treated sequentially by (a) hydrolyzing an aluminum compound or basic aluminate to deposit a hydrous alumina surface; and (b) adding a dual-functional compound comprising an anchoring group that attaches the dual-functional compound to the pigment surface, and a basic amine group comprising a primary, secondary or tertiary amine. The paper laminate further comprises Kraft paper. | 10-15-2015 |
| 20150308048 | ROLL AND METHOD FOR PRODUCING A ROLL - A roll for use in a machine for producing or finishing a web of fibrous material, such as a paper, paperboard or tissue web, has a roll core. At least one bonding layer is formed thereon and at least one ceramic layer is formed on the at least one bonding layer. The at least one ceramic layer at least partially is formed of an oxidic compound in the form of a mixed-oxide ceramic. | 10-29-2015 |
| 20150315366 | HIGH SOLIDS AQUEOUS MINERAL AND/OR FILLER AND/OR PIGMENT SUSPENSION IN ACIDIC PH ENVIRONMENT - The present invention relates to high solids aqueous mineral and/or filler and/or pigment suspensions in acidic pH environment, to a method for producing such high solids aqueous mineral and/or filler and/or pigment suspension to the use of the high solids aqueous mineral and/or filler and/or pigment suspension in paper making, paper coating, plastic, agricultural and/or paint applications and as filler in paper and to a coating color formulation comprising the high solids aqueous mineral and/or filler and/or pigment suspension. | 11-05-2015 |
| 20150354140 | METHOD OF PREPARING A TREATED ARTICLE AND TREATED ARTICLE FORMED THEREFROM - A method of preparing a treated article comprises the step of providing a slurry comprising fibers. The method further comprises the step of combining the slurry and a first fluorinated composition to form a mixture. In addition, the method comprises the step of forming at least one sheet from the mixture. Finally, the method comprises the step of applying a second fluorinated composition on at least one surface of the at least one sheet to prepare the treated article. | 12-10-2015 |
| 20160083906 | METHOD FOR MAKING A PAPERMAKING BELT - A method of making a papermaking belt is disclosed. The papermaking belt has a reinforcing structure and a framework. The method comprises the steps of: (a) providing a reinforcing structure having a paper-facing side, a machine-facing side opposite the paper-facing side, interstices and a reinforcing component comprised of a plurality of structural components; (b) providing a first portion of the reinforcing component with a measuring device, the measuring device being disposed upon the first portion of the reinforcing component; and, (c) coating the at least one side of the reinforcing structure with a material so that the material forms a first surface and a second surface, the material being distributed so that the paper-facing side of the reinforcing structure and the measuring device is positioned between the first and second surfaces of the material. | 03-24-2016 |
| 20160201266 | COMPOSITE POLYMER | 07-14-2016 |
