Abstract: The objective of the present invention is to provide a packaging paper for food which on the one hand offers a sufficiently high resistance against the penetration of grease, oil, and water and on the other hand can easily be recycled or biologically degraded.

Abstract: A mineral composition and related methods may include a mineral treated with a styrene-based polymer. The mineral treated with a styrene-based polymer may be used for a coating on a paper product having a first Cobb value that is less than a second Cobb value of the paper product with the coating devoid of the mineral composition.

Abstract: An apparatus for wetting a material web with a liquid in which the material web is guided in a travel direction through the apparatus, which includes guide means for guiding the material web and application means for applying the liquid to the material web. On the side of the material web oriented away from the application means, a spray guard is provided, which rests directly against the material web.

Abstract: Disclosed are blended latex dispersions which can be used as binders in paper coating compositions. Such latex dispersions comprise a first copolymer of a vinyl ester of an alkanoic acid having from 1 to 13 carbon atoms and ethylene; and a second copolymer of (i) styrene and butadiene, (ii) styrene, butadiene and acrylonitrile, or (iii) styrene and an acrylic monomer, wherein the first and second copolymers are colloidally dispersed in an aqueous medium comprising a surfactant. The paper coating compositions containing latex dispersion binders of this type preferably exhibit especially desirable coating strength as quantified by the Dry Pick Values which such compositions provide.

Abstract: Disclosed is coated paper having a coating structure in which styrene-butadiene latex distribution of a paper coating layer is controlled in order to reduce fold cracking of the coated paper and a method for manufacturing the same. The coated paper in which different types of latexes are separately applied to two coating layers exhibits considerably improved stiffness and reduced fold crack, as compared to the existing coated paper.

Abstract: Disclosed is coated paper having a coating structure in which styrene-butadiene latex distribution of a paper coating layer is controlled in order to reduce fold cracking of the coated paper and a method for manufacturing the same. The coated paper in which different types of latexes are separately applied to two coating layers exhibits considerably improved stiffness and reduced fold crack, as compared to the existing coated paper.

Abstract: A printable recording material containing an opaque supporting substrate; a resin barrier layer; an ink vehicle-receiving layer having a first structure with inorganic particles and, at least, a binder and a second structure with nano-porous particles and, at least, a binder; and an ink colorant-receiving layer. Also disclosed are the method for making such material and the method for producing printed images using said printable recording material.

Abstract: Disclosed are blended latex dispersions which can be used as binders in paper coating compositions. Such latex dispersions comprise a first copolymer of a vinyl ester of an alkanoic acid having from 1 to 13 carbon atoms and ethylene; and a second copolymer of (i) styrene and butadiene, (ii) styrene, butadiene and acrylonitrile, or (iii) styrene and an acrylic monomer, wherein the first and second copolymers are colloidally dispersed in an aqueous medium comprising a surfactant. The paper coating compositions containing latex dispersion binders of this type preferably exhibit especially desirable coating strength as quantified by the Dry Pick Values which such compositions provide.

Abstract: A cellulose fiber-based support of which at least one surface is coated with a layer containing at least one water-soluble polymer having hydroxyl functions, at least some of which have been reacted beforehand with at least one organic molecule that contains at least one vinylic function, characterized in that said organic molecule also has an aldehyde function. Method for production thereof.

Abstract: The present invention relates to a sheet material (2) comprising at least one first layer defining an outer surface of the sheet material and having at least one first color, at least one second layer comprising at least one watermark (6) and having at least one second color, the first and second colors having at least different saturations and/or hue angles.

Abstract: The application relates to an agent containing bound octenyl succinic anhydride groups made via the reaction of octenyl succinic anhydride onto a dispersed waxy starch, which provides significant improvements in paper porosity reduction, when added at a low level to a commodity type surface starch dispersion and used to surface size paper.

Abstract: A non-absorbing barrier layer for photographic printing paper includes a non-polyolefin resin. A photographic printing paper includes a base substrate; a image receiving layer and a barrier layer comprising a non-polyolefin resin coated on the base substrate. A method of making a photographic printing paper includes coating a barrier layer comprising a non-polyolefin resin on a base substrate. Another method of making a photographic printing paper includes forming a barrier layer on a base substrate using reactive monomers.

Abstract: Provided is a thermal recording material comprising an intermediate layer and a heat-sensitive recording layer for color formation by heat stacked in this order onto a support, the thermal recording material being characterized in that the intermediate layer contains a bellows-shaped hollow resin and that the roughness of the surface on the color forming side is 1.0 ?m or less as measured by Parker Print Surf. The method for producing such a thermal recording material comprises the steps of: applying a coating liquid containing heat-expandable resin particles to a support, drying the coated support at a temperature lower than the expansion starting temperature of the heat-expandable resin particle, and subjecting the coated support to thermoforming for formation of an intermediate layer; and applying, to the intermediate layer, heat-sensitive recording-related components which contribute to color formation by heat, for formation of a heat-sensitive recording layer.

Abstract: A method of manufacturing coated paper which consistently performs a papermaking process, a coating process, and a flattening process and includes a coating facility formed of a combination of a roll coater coating facility and first and second coating facilities in which coating methods are different from that of the roll coater coating facility, and the roll coater coating facility is provided between the first and second coating facilities.

Abstract: The present invention relates to a process for producing high-gloss surfaces on at least one portion of a substrate area, where the steps comprise (a) applying a layer made of a melt to at least one portion of the substrate area; (b) polishing of the applied layer of melt; (c) applying at least one lacquer layer to the polished layer of melt by means of a curtain-coating process; and (d) hardening the layer structure applied. The invention further relates to articles obtainable by this type of process.

Abstract: Disclosed is coated paper having a coating structure in which styrene-butadiene latex distribution of a paper coating layer is controlled in order to reduce fold cracking of the coated paper and a method for manufacturing the same. The coated paper in which different types of latexes are separately applied to two coating layers exhibits considerably improved stiffness and reduced fold crack, as compared to the existing coated paper.

Abstract: The invention relates to a gloss coated multifunctional printing paper that can be used with a variety of office printing equipment including inkjet and electrophotographic and to processes of making and using the paper, a paper substrate; and a pigmented composition coated on at least one surface of the substrate, said pigmented coating composition comprising (1) a first pigment having a BET surface area in the range of from about 50 to about 750 m2/g; (2) a second pigment having a BET surface area in the range of from about 5 to about 49 m2/g; and (3) a polymeric binder, Said coated paper having a coating gloss equal to or greater than about 30% at 75° and a Bristow Absorption length of less than about 180 mm. The coating compositions may contain other additives such as lubricants, optical brighteners and coating rheology modifiers.

Abstract: Disclosed are blended latex dispersions which can be used as binders in paper coating compositions. Such latex dispersions comprise a first copolymer of a vinyl ester of an alkanoic acid having from 1 to 13 carbon atoms and ethylene; and a second copolymer of (i) styrene and butadiene, (ii) styrene, butadiene and acrylonitrile, or (iii) styrene and an acrylic monomer, wherein the first and second copolymers are colloidally dispersed in an aqueous medium comprising a surfactant. The paper coating compositions containing latex dispersion binders of this type preferably exhibit especially desirable coating strength as quantified by the Dry Pick Values which such compositions provide.

Abstract: Treatment liquid is sprayed onto a fibrous web surface by one or more spray boxes (21, 11, 23) having a spray chamber (4) and spray nozzles (1) in the travel direction of the fibrous web before a nip (N1 . . . N7; N8; N9) formed between them by two nip means (11 . . . 18) provided with a movable surface, and air and/or treatment medium mist is removed from the spray chamber and after having added treatment liquid the fibrous web is pressed in this nip. The spray chamber (4) is formed between a first spray box (21, 11, 23; 24; 25) and any successive first nip means (13; 52, 53; 62, 63) and second nip means (13; 52, 53; 62, 63), the fibrous web is guided supported by the surface of the first nip means to the spray chamber and the fibrous web is supported thereon during the spraying of treatment liquid.

Abstract: Embodiments of the present invention provide a paper surface sizing composition, a paper web coated on one or more sides or surfaces with a paper surface sizing composition, and a method for treating one or more sides of the paper web with a paper surface sizing composition to impart benefits relating to one or more of the following properties: (1) brightness; (2) opacity; (3) paper smoothness; (4) print quality; (5) optionally ink dry time (e.g., for ink jet printing where the sizing composition has option); and (6) optionally minimizing or eliminating edge welding (e.g., for paper webs used in, for example, form printing).

Abstract: A cellulose fibre-based support of which at least one surface is coated with a layer containing at least one water-soluble polymer having hydroxyl functions, at least some of which have been reacted beforehand with at least one organic molecule that contains at least one vinylic function, characterized in that said organic molecule also has an aldehyde function. Method for production thereof.

Abstract: In a method for surface-treating paper, in particular paper printable by ink-jet printing, in which an aqueous solution containing at least one water-soluble salt of a bivalent metal and optionally one or several substances selected from a binder, a pigment, a surface sizing agent and/or a cationic polymer is applied to a base paper containing cellulose fibers and optionally fillers, an optical brightener, retention aids or dyes or pigments, an unsized base paper is formed from a pulp comprising cellulose as a main component, between 0 and 50% by weight, in particular 10 and 30% by weight, of CaCO3 as a filler, and optionally an optical brightener or a retention aid, and the base paper is coated with a liquid surface treatment medium comprising between 1 and 20 kg/t paper of MgSO4 and the paper is optionally subjected to a post-treatment step.

Abstract: Embodiments of the present disclosure include paper coating compositions, coated paper and/or paperboard, and methods of forming coated paper and/or paperboard with the paper coating compositions. The embodiments of the paper coating compositions contain high levels of hollow polymeric pigment relative to other pigments used in the paper coating composition (e.g., inorganic pigments). The paper coating compositions can provide the coated paper and/or paperboard with a wide variety of desirable features (e.g., high gloss, good smoothness, improved stiffness), while minimizing compaction (i.e., permanent deformation) of the underlying base paper.

Abstract: A non-absorbing barrier layer for photographic printing paper includes a non-polyolefin resin. A photographic printing paper includes a base substrate; a image receiving layer and a barrier layer comprising a non-polyolefin resin coated on the base substrate. A method of making a photographic printing paper includes coating a barrier layer comprising a non-polyolefin resin on a base substrate. Another method of making a photographic printing paper includes forming a barrier layer on a base substrate using reactive monomers.

Abstract: Pigmented coated paper is prepared by adding a water-soluble hydroxyalkylcellulose (HAC) with an alkyl moiety of 1 to 4 carbons, or water soluble alkylhydroxyalkylcellulose (AHAC) with an alkyl hydrophobe of 1 to 24 carbons to a pigmented wet coating formulation in an amount equal to or greater than 0.15 parts HAC or AHAC based on pigment content of the coating and applying the pigmented wet coating formulation to a moving paper web via roller metering size press, wherein the use of HAC or AHAC in the pigmented coating significantly reduce misting of the coating during application as compared to the control condition with no HAC or AHAC added.

Abstract: A print medium suitable for inkjet web press printing is disclosed herein. The print medium includes a paper substrate and an ink-receiving layer coated onto at least one surface of the paper substrate. The ink-receiving layer includes: two different inorganic pigments with different particle sizes; a binder; a water-soluble metallic salt; and a colorant durability enhancer selected from the group consisting of boric acid, borax, sodium tetraborate, phenyl boronic acid, butyl boronic acid and combinations thereof.

Abstract: The invention relates to a gloss coated multifunctional printing paper that can be used with a variety of office printing equipment including inkjet and electrophotographic and to processes of making and using the paper. a paper substrate; and a pigmented composition coated on at least one surface of the substrate, said pigmented coating composition comprising (1) a first pigment having a BET surface area in the range of from about 50 to about 750 m2/g; (2) a second pigment having a BET surface area in the range of from about 5 to about 49 m2/g; and (3) a polymeric binder, Said coated paper having a coating gloss equal to or greater than about 30% at 75° and a Bristow Absorption length of less than about 180 mm. The coating compositions may contain other additives such as lubricants, optical brighteners and coating rheology modifiers.

Abstract: A coating composition for paper is provided for use with inkjet printing comprising at least one of ground calcium carbonate and kaolin clay, a binder, and a salt suitable to fix the ink on the paper. A method of printing on a paper coated with the composition, as well as the coated paper, and a method of forming the coated paper are also provided.

Abstract: An inkjet recording material which comprises a supporting substrate, a first bottom base coat applied to at least one surface of said substrate, and a second topcoat layer applied over said base coat. In said inkjet recording material, the base coat includes a combination of at least three pigments and the topcoat layer comprises pigments selected from the group consisting of fumed silica, silica gel, precipitated silica, colloidal silica, fumed alumina, boehmite, pseudo-boehmite or a mixture thereof.

Abstract: An object of the present invention is to provide a process for preparing a high-quality coated paper with high runnability while preventing damage to the elastic roll surface of the soft calender encountered during high-speed operation. The present invention provides a process for preparing a coated paper, comprising the steps of: making a base paper; applying a coating solution containing a pigment and an adhesive on the base paper to form one or more pigment coating layers; and surface-treating the pigment coating layers by a soft calender, said papermaking and coating steps being performed at an operating speed of 1300 m/min; wherein said surface-treating step comprises treating the outermost one of the pigment coating layers using a soft calender comprising a metallic roll and an elastic roll with at least two or more nips and wherein the elastic roll has a Shore D hardness of 90-96 and the metallic roll surface temperature at the first nip is less than 130° C.

Abstract: The present invention provides a method for manufacturing an inkjet recording medium having at least applying, on a support, a coating liquid A, a coating liquid B and a coating liquid C in this order from the support to form an ink receiving layer. The coating liquid A contains at least a crosslinking agent. The coating liquid B contains at least a vapor-phase-process silica and a water-soluble binder, in which the content of a pseudo boehmite alumina hydrate with respect to the content of the vapor-phase-process silica in the coating liquid B is less than 3% by mass, and the content of a crosslinking agent with respect to the content of the vapor-phase-process silica in the coating liquid B is less than 3% by mass. The coating liquid C contains at least a pseudo boehmite alumina hydrate and a water-soluble binder.

Abstract: An exemplary method for forming a high gloss base includes providing a paper base stock, coating the base stock with a vacuolated particulate plastic pigment, and calendering the coated base stock with a calendering apparatus applying over 1000 pounds per lineal inch (pli) and substantially no thermal energy.

Abstract: A coated medium for inkjet printing is disclosed. The coated medium includes a coating layer formed on at least one side of a supporting substrate. The coating layer includes precipitated calcium carbonate with an average particle size of less than about 1 micron, silica with a surface area of greater than 100 m2/g, a third inorganic pigment with an average particle size greater than that of precipitated calcium carbonate and selected from the group consisting of ground calcium carbonate (GCC) and clays, and at least one binder, wherein silica is present in an amount of at least 15 parts based on 100 parts of inorganic pigments in total.

Abstract: A method for feeding one or more chemicals into a papermaking process is disclosed. More specifically, a method for feeding chemistry into a thick stock of a papermaking process is disclosed.

Abstract: The present invention provides a method for producing a coated paper, including steps of coating a base paper coated with an aqueous solution of a water-soluble polymer with a coating liquid containing at least a pigment and an adhesive to produce a coated paper, and calendering the coated paper having a moisture content of not more than 5.5% by weight. The present invention also provides a method for producing a coated paper, including steps of coating a base paper having a moisture content of not more than 4% by weight with a coating liquid containing at least a pigment and an adhesive to produce a coated paper, and calendering the coated paper having a moisture content of not more than 5.5% by weight.

Abstract: Provided herein are coating compositions for paper comprising aluminum phosphate, aluminum metaphosphate, aluminum orthophosphate and/or aluminum polyphosphate pigments. Methods of making and using the compositions are described.

Abstract: Embodiments of the present disclosure include paper coating compositions, coated paper and/or paperboard, and methods of forming coated paper and/or paperboard with the paper coating compositions. The embodiments of the paper coating compositions contain high levels of hollow polymeric pigment relative to other pigments used in the paper coating composition (e.g., inorganic pigments). The paper coating compositions can provide the coated paper and/or paperboard with a wide variety of desirable features (e.g., high gloss, good smoothness, improved stiffness), while minimizing compaction (i.e., permanent deformation) of the underlying base paper.

Abstract: A method and a device for treating a web, wherein the web is coated by a coating device. The coated web is calendered, and a steam application device applies steam to the coated web before the coated web is calendered. The instant abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.

Abstract: The present invention relates to an inkjet recording material comprising: a) a substrate b) at least one ink-accepting layer applied to at least one side of the substrate, containing at least one pigment selected from the group consisting of calcium carbonate, calcined clay, satin white or mixtures thereof, the mean particle size of the pigment being from 0.1 ?m to 1.5 ?m, c) at least one surface layer applied to the at least one ink-accepting layer, the surface layer containing cationic inorganic particles, the inkjet recording material having a gloss in the range from 10 to 60, measured according to DIN 54502 R? (45°) (measuring angle 45°), on the side to which the at least one surface layer was applied, and the density of the inkjet recording material being greater than or equal to 0.95 g/cm3, and to a process for its production.

Abstract: A method of producing the low glare, high print gloss paper of the invention comprises the steps of providing a paper substrate, coating the substrate with an aqueous coating composition having, as a dry parts by weight per 100 parts of pigment, 50-90 parts coarse delaminated clay pigment having a particle size of 8-12 microns and 10-20 parts calcium carbonate having a particle size of between 0.7 and 1.1 microns, drying the coating; and supercalendering the coated substrate with at least two passes per side with rolls having a surface roughness of 90-130 Ra. The step of supercalendering imparts a Parker Print-Surf roughness of 1.7-2.2 microns and a sheet gloss of about 25-30. Four color printing produces a print gloss of 65-70 and a delta gloss of at least 38.

Abstract: An object of the present invention is to provide an inkjet recording medium which has an excellent ink absorbability, suppresses an ink blur, and has an improved surface glossiness, and a process for manufacturing the medium. The invention provides a process for manufacturing an inkjet recording medium having an ink image-receiving layer having a porous structure on at least one surface of a support, in which the process comprises forming an ink image-receiving layer having a porous structure on at least one surface of the support, and calendar-treating the support having the ink image-receiving layer with a long nip calendar comprising a metal roll and a shoe roll, and a synthetic resin belt therebetween and having a nip width of 10 mm or more. The invention also provides an inkjet recording medium manufactured by the process.

Abstract: Coating is manufactured by mixing two or more components together in two or more mixing zones arranged in series and/or in parallel, of which at least some are pressurized.

Abstract: The invention relates to instant drying glossy ink jet media made by using a sub-micron silica coating and a calendering process, preferably a supercalendering process.

Abstract: An apparatus for feeding one or more chemicals into a process stream of a papermaking process is disclosed, as well as a method of utilizing the apparatus for feeding one or more chemicals into a process stream is disclosed.

Abstract: A primary lithium battery can include a current collector that includes aluminum, a cap that includes aluminum, or both. The current collector can be coated with a cathode material The aluminum battery components can have high mechanical strength and low electrical resistance.

Abstract: An acoustic paper diaphragm excellent in moisture resistance and acoustic characteristics and not impairing the biodegradability is provided. An acoustic paper diaphragm is formed of paper in which polylactide resin emulsion that is a biodegradable polymeric material is internally added as a sizing agent.

Abstract: A method of producing a coated paper having reduced gloss mottle and excellent smoothness includes the steps of calendering a base stock at a relatively high pressure in a first calendering step, coating at least one side of the calendered base stock and calendering the coated base stock at a relatively low pressure in a second calendering step.

Abstract: Embodiments of the present disclosure include paper coating compositions, coated paper and/or paperboard, and methods of forming coated paper and/or paperboard with the paper coating compositions. The embodiments of the paper coating compositions contain high levels of hollow polymeric pigment relative to other pigments used in the paper coating composition (e.g., inorganic pigments). The paper coating compositions can provide the coated paper and/or paperboard with a wide variety of desirable features (e.g., high gloss, good smoothness, improved stiffness), while minimizing compaction (i.e., permanent deformation) of the underlying base paper.

Abstract: The barrier properties of a water soluble gas barrier material are improved if the material is blended with a nanoparticle calcium carbonate having a size of from 10 to 250 nanometers. The barrier material is on a substrate to provide a substrate with gas barrier properties. A layer of heat sealable material may be applied to the exposed surface of the barrier material. A method for making the barrier coated substrate is disclosed.

Abstract: An improved paper and the process of making an improved paper web are disclosed. The improved paper is characterized as having two regions; one is a network (or open grid) region and the other is a plurality of domes. At least a portion of either region of the paper web contains a bonding material that penetrates at least partially through the paper's thickness.