Abstract: A multi-ply tissue product is described in which the two outer plies are layered such that the inwardly-facing layer of each outer ply contains a chemical debonder to impart softness while confining lint and slough from that layer to the inside of the tissue product.

Abstract: A wet-responsive fiber having a monofilament formed from a resin composition comprising a resin having an anionic group, a resin having a cationic group, and, optionally, a resin as a base. The fiber can be produced by melting and kneading a resin composition comprising a resin having an anionic group, a resin having a cationic group and, optionally, a base resin, and then conducting spinning. The nonwoven fabric is comprised of fibers of a resin composition comprising a cationic resin, an anionic resin and, optionally, a regenerated cellulose which can be used as a body fluid absorber or a wet tissue. The nonwoven fabric has water decomposability and is disposable.

Abstract: This invention, in one aspect, relates to a multi-ply paperboard having at least three inner plies and, in some aspects, a top liner and a back liner, wherein the multi-ply paperboard is derived from fiber sources comprising at least about 80% by weight recycled fiber. The multi-ply paperboard of the present invention exhibits strength characteristics comparable those of paperboard prepared from virgin board. In further aspects, the invention relates to methods of making the multi-ply paperboard of the present invention.

Abstract: A process for increasing the tactile properties of a base web without adversely affecting the strength of the web is disclosed. In general, the process includes the steps of placing a base web in between a first moving conveyor and a second moving conveyor. The conveyors are then wrapped around a shear inducing roll which creates shear forces that act upon the base web. The shear forces disrupt the web increasing the softness and decreasing the stiffness of the web. The shear inducing roll typically has a relatively small diameter. In some applications, more than one shear inducing roll may be incorporated into the system.

Abstract: Provided is a paper structure comprised of two outside layers and at least one inside layer. The two outside layers are comprised of substantially cellulosic pulp fiber, and the inside layer is comprised of a high temperature fiber and a polymeric binder, and preferably cellulosic pulp fiber. In a preferred embodiment, the structure comprises at least three inside layers, all comprised of cellulosic pulp fiber, high temperature fiber and a polymeric binder. The resulting paper structure finds particular use as a high temperature transformer paper in the manufacture of transformers.

Abstract: This invention, in one aspect, relates to a multi-ply paperboard having at least three inner plies and, in some aspects, a top liner and a back liner, wherein the multi-ply paperboard is derived from fiber sources comprising at least about 80% by weight recycled fiber. The multi-ply paperboard of the present invention exhibits strength characteristics comparable those of paperboard prepared from virgin board. In further aspects, the invention relates to methods of making the multi-ply paperboard of the present invention.

Abstract: An acoustical panel has a fiberboard which includes a fibrous filler and a base binder, and a nodulated overlay disposed on the fiberboard, wherein the overlay includes nodulated wool and an overlay binder and has a substantially smooth surface. In one embodiment of the present invention, the fibrous filler is mineral wool and the base binder is granular starch. In an another embodiment of the present invention, the nodulated wool is nodulated mineral wool and the overlay binder is cooked pearl cornstarch. A method of making the durable acoustical panel in accordance with the present invention is disclosed. Initially, an aqueous slurry comprising a fibrous filler, a base binder, and water is formed. The aqueous slurry is deposited onto a moving foraminous support wire to form an aqueous felt, thereby creating a continuous process. Thereafter, the aqueous felt is de-watered to form a wet felt.

Abstract: An improved method for imprinting a paper web during a wet pressing event is disclosed which results in asymmetrical protrusions corresponding to the deflection conduits of a deflection member. In one embodiment, differential velocity transfer during a pressing event serves to improve the molding and imprinting of a web with a deflection member. Improved deflection members are also disclosed. Improved tissue webs produced are also disclosed having useful sets of physical and geometrical properties, such as a pattern densified network- and a repeating pattern of protrusions having asymmetrical structures.

Abstract: Paper or paperboard laminate composed of at least one bulk-promoting layer, here termed bulk layer (1), 40-98% of which is composed of cellulose fibres with a freeness value of 550-950 ml CSF, and on at least one side of the bulk layer at least one secondary layer (3a, 3b′), which has a greater density than the bulk layer, the secondary layer and bulk layer being joined indirectly to one another over basically the whole of their opposing surfaces and the laminate having a bending stiffness index greater than 2.5 Nm7/kg3, but less than 14 Nm7/kg3, calculated as a geometric mean value for machine direction and cross direction the invention a thin intermediate layer (2a), which has a higher drainage resistance than the bulk layer and has been formed together with the bulk layer, is arranged between the said bulk layer (1) and secondary layer (3a, 3b′).

Abstract: Highly textured tissue sheets, particularly suitable for use as bath tissue, are produced by throughdrying and have a low number and/or low amount of pinholes. The low number or amount of pinholes is provided by using a throughdrying fabric having parallel wide ridges with a height suited to the particular tissue sheet being produced.

Abstract: An absorbent multilayered web includes a top surface layer, with the top surface layer including first and second fibers, wherein the first fibers are hydrophilic and the second fibers are hydrophobic, and further wherein the first and said second fibers are substantially uniformly distributed on the top surface layer, and at least one additional layer. A method of making an absorbent multi-layered web includes the steps of providing hydrophilic fibers; providing hydrophobic fibers; forming a first web layer of substantially uniformly distributed hydrophilic and hydrophobic fibers; creating at least a second web layer; and joining said first layer with said second layer.

Abstract: A paper product is provided that contains at least one paper web that is applied with a reactive composition. The reactive composition, for example, can contain one or more softening moieties that are capable of debonding hydrogen bonds within a paper web, thereby softening the web. In addition, the reactive composition contains a moiety that can form both a covalent bond and ionic bond with certain groups present on cellulosic fibers. For example, in one embodiment, the moiety contains a positively charged atom that can form an ionic bond with a carboxyl group present on a first cellulosic fiber. In addition, the moiety can contain a pendant hydroxyl group that can form a covalent bond with a carboxyl group present on a second cellulosic fiber.

Abstract: A tissue product having improved hand feel and good wettability is produced by printing onto one or both sides of the tissue an aqueous emulsion containing a hydrophilically-modified amino-functional polydimethylsiloxane. The hydrophilically-modified amino-functional polydimethylsiloxane structure has one or more pendant groups containing an ethylene oxide moiety and/or propylene oxide moiety.

Abstract: A tissue product having improved hand feel and good wettability is produced by printing onto one or both sides of the tissue an aqueous emulsion containing a hydrophilically-modified amino-functional polydimethylsiloxane. The hydrophilically-modified amino-functional polydimethylsiloxane structure has one or more pendant groups containing ethylene oxide moieties.

Abstract: Method for producing a nonwoven material comprising at least one layer of continuous filaments, such as spunbond- or meltblown fibers. A first web of continuous filaments (19) are laid on a wire (14) or other permeable support member having a resilient extensibility in the transverse direction and which substantially resumes its original dimension when the extension is discontinued, that the wire is stretched in the transverse direction to at least 120% of its original width when the continuous filaments are laid on the wire. The stretching is discontinued after the continuous filaments have been laid on the wire.

Abstract: A tissue product having superior properties of softness, handfeel, and strength is disclosed. The product may show a reduced degree of sloughing, that is, a reduction in the amount of paper particles or flakes that are generated from the product upon the abrasion of the tissue product. In one embodiment, a two furnish process is employed. In some applications, both hardwood fibers and softwood fiber sources may be employed. At least one fiber furnish is fractionated or separated into short and long fiber fractions. The resulting product exhibits reasonably good strength and softness, with reduced sloughing.

Abstract: A multiply tissue product comprising at least two plies of a tissue interconnected to each other. The multiply tissue further comprises a layer including super absorbent fiber-like particles in at least one interface region in between two adjacent plies of the tissue webs, wherein the basis weight of the layer is between about 0.5% and about 50% of the overall basis weight of the two adjacent plies of tissue.

Abstract: A product and process of making an absorbent paper article such as paper products, towels, napkins and the like is disclosed. A product having superior properties of softness, handfeel, and strength is disclosed. The product may show a reduced degree of sloughing, that is, a reduction in the amount of paper particles or flakes that are generated from the product upon the abrasion of the paper product. In one embodiment, a two furnish process is employed. In some applications, both hardwood fibers and softwood fiber sources may be employed. At least one fiber furnish is fractionated or separated into short and long fiber fractions. The resulting product exhibits reasonably good strength and softness, with reduced sloughing.

Abstract: In the practice of the invention, a multi-ply paper product or tissue having hardwood layers on the outside and on the inside provides reduced amounts of undesirable sloughing. The multi-ply product includes at least two plies, with three layers in each ply. Hardwood layers, such as for example eucalyptus-containing fiber layers, are provided on the outside surfaces of each ply and also on the interface of one or more plies. The resulting paper product may exhibit reduced sloughing, with little or no sacrifice in softness. A product having two, three, four, or more plies is shown.

Abstract: A process and product of making a tissue product is provided. For example, the method can comprise (a) providing a first papermaking furnish containing refined softwood fibers; (b) providing a second papermaking furnish containing hardwood fibers; (c) incorporating the first and second papermaking furnishes into a tissue web such that the tissue web has a hardwood layer and a softwood layer; (d) contacting the tissue web with a drying surface so that the hardwood layer is disposed adjacent thereto; and (e) removing the tissue web from the drying surface with a creping blade at a creping pocket angle of less than about 82 degrees.

Abstract: In the practice of the invention, a multi-ply paper product or tissue having hardwood layers on the outside and on the inside provides reduced amounts of undesirable sloughing. The multi-ply product includes at least two plies, with three layers in each ply. Hardwood layers, such as for example eucalyptus-containing fiber layers, are provided on the outside surfaces of each ply and also on the interface of one or more plies. The resulting paper product may exhibit reduced sloughing, with little or no sacrifice in softness. A product having two, three, four, or more plies is shown.

Abstract: This invention provides a paper bulking promoter with which a highly bulky sheet can be obtained without impairing paper strength. Namely, this invention provides a process for producing a bulky paper, having the step of making paper from pulp in the presence of a bulking promoter having at least one compound selected from the group consisting of a cationic compound, an amine compound, an acid salt of an amine compound, an amphoteric compound, an amide compound, a quaternary ammonium salt, and an imidazoline derivative.

Abstract: An absorbent multilayered web includes a top surface layer, with the top surface layer including first and second fibers, wherein the first fibers are hydrophilic and the second fibers are hydrophobic, and further wherein the first and said second fibers are substantially uniformly distributed on the top surface layer, and at least one additional layer. A method of making an absorbent multi-layered web includes the steps of providing hydrophilic fibers; providing hydrophobic fibers; forming a first web layer of substantially uniformly distributed hydrophilic and hydrophobic fibers; creating at least a second web layer; and joining said first layer with said second layer.

Abstract: A filter material is described that is coated with cyclodextrins charged with taste substances, whereby the filter material also has 1 to 99% uncharged cyclodextrins, as well as a process for its production.

Abstract: A web comprised of lyocell fibers. The web may be a homogeneous blend of fibers with lyocell fibers having a length of less than about 6 mm as a portion of the blend.. The web may be a multi layered single ply with lyocell fibers in one or more layers. The web may be composed of multiple plies, with component plies composed of multiple layers. The length and proportion of the lyocell fibers in the respective layers of the component plies may vary intentionally from layer to layer.

Abstract: Paper or paperboard laminate composed of at least one bulk-promoting layer, here termed the bulk layer, and on at least one side at the bulk layer at least one secondary layer, secondary layer and bulk layer being joined to one another directly or indirectly over basically the whole of their surfaces facing one another, 40-95% of the bulk layer consists of cellulose fibers with a freeness of 550-950 ml CSF, the secondary layer/layers has/have a greater density than the bulk layer, and the laminate has a bending stiffness index higher than 2.5 Nm7/kg3, but less than 14 Nm7/kg3, calculated as a geometric mean value for machine and transverse direction.

Abstract: Provided is a paper structure comprised of two outside layers and at least one inside layer. The two outside layers are comprised of substantially cellulosic pulp fiber, and the inside layer is comprised of a high temperature fiber and a polymeric binder, and preferably cellulosic pulp fiber. In a preferred embodiment, the structure comprises at least three inside layers, all comprised of cellulosic pulp fiber, high temperature fiber and a polymeric binder. The resulting paper structure finds particular use as a high temperature transformer paper in the manufacture of transformers.

Abstract: A process for increasing the tactile properties of a base web without adversely effecting the strength of the web is disclosed. In one embodiment, the process includes the steps of placing a base web between a first moving conveyor and a second moving conveyor. The conveyors are then wrapped around a shear-inducing roll which creates shear forces that act upon the base web. The shear forces disrupt the web, increasing the softness and decreasing the stiffness of the web. The shear-inducing roll typically has a relatively small diameter. In some applications, more than one shear-inducing roll may be incorporated into the system. Base webs made according to the present invention have been found to have improved void-volume and fuzz-on-edge properties.

Abstract: The invention relates to a multi-layered soft paper web, and a method for forming such. A multi-layered soft paper web consists of at least one layer, showing basis weight variations in a pattern. A base-layer of a fibre furnish is firstly formed on a wire (2), whereupon at least one top layer is deposited on top of the base-layer, which is supported by a wire or the like (3, 13, 113, 1113) under the applying of the top layer, whereby the top layer is deposited with a fibre suspension jet, and the hereby deposited top layer is formed with twin wire technology. A pattern is created in connection with the forming of the base layer, or at least one top layer by local redistributions within the layer of at least one substantial part of the solid material in the fibre furnish, whereby the pattern in said layer is created under simultaneous dewatering, and that the local redistributions are dependent of the pattern as well.

Abstract: A multi-layered paper web that has increased strength for minimizing slough and lint is provided. In one embodiment, the paper web contains an outer layer formed from unrefined hardwood fibers and an inner layer formed from refined hardwood, softwood, and machine broke fibers. During formation within a headbox, the outer and inner fibrous layers are allowed to partially blend. By partially blending the layers, the fibers within each layer can form bonds in the −z direction to provide sufficient strength to minimize lint and slough.

Abstract: The invention concerns multi-layer web formation by means of a simple basic-stock system and in particular a method for regulation of the properties of the different layers in a stock system that comprises several layers by means of additional stocks. The source (M) of basic stock is divided into 2 . . . n separate component flows (M1 . . . Mn), with which additional stocks (B1 . . . Bn) are mixed so as to form homogeneous mixtures with the basic stock, and the homogeneous stock flows are passed further by means of pumps (A1 . . . An) through machine screens (s1 . . . Sn) into the inlet header of a multi-layer headbox (P).

Abstract: Plies that are formed by respective formers are couched together in a sheet forming device, specifically a machine for the production of a multi-ply fiber web, particularly a paper or cardboard web, or a packaging paper web. At least one of the formers for forming a multi-ply web includes a multi-layer headbox, to which at least two different stocks, or stock partial streams of different composition for different plies are furnished.

Abstract: Disclosed is a multi-layer paper suitable as a material for preparing heat-sensitive stencil printing masters. The multi-layer paper is produced by combining a plurality of thin paper layers by paper making. The multi-layer paper has a peel strength of 10 N/m or less and may be delaminated into at least two tissue sheets.

Abstract: New and improved methods and products are disclosed relating to increasing the softness of paper sheets, without effecting their wetability. Increased softness, without loss of wetability is obtained by adding deactivated ketene dimer sizing agents to the sheet.

Abstract: A non-woven web of fibrous material containing a reactive particulate material is made using the wet laid, or preferably foam, process. First and second fibrous webs are made using the wet laid or foam process, and a liquid or foam slurry including reactive particulate material is provided between the webs so as to provide a composite web. Liquid, or foam and liquid, are withdrawn from the composite web and then the composite web is dried so as to produce a final non-woven web with reactive material having substantially optimum reactivity (that is the reactive material loses a minimum amount reactivity during the web production process). The webs and slurry may be made using substantially pure water, and the particulate part of the reactive material is mixed with the foam or liquid slurry no more than about ten seconds before the liquid and/or foam are withdrawn from the composite web.

Abstract: A press fabric is manufactured by spirally winding a strip in a plurality of non-overlapping abutting turns, and by joining each turn of the strip to that previously wound. The strip is itself a laminated structure having at least two layers attached to one another. The strip is manufactured in considerable lengths for subsequent use in manufacturing press fabrics in any length and width dimension.

Abstract: A latex as a binder for nonwoven applications to form a permeable sublayer of personal hygiene articles. The latex is prepared by a process including the steps of (1) polymerizing a monomer mixture comprising styrene, itaconic acid, surfactant and water soluble free radical initiator to form a seed; (2) sequentially adding equal increments of a monomer mixture of styrene, butadiene and acrylic acid to the seed under emulsion polymerization conditions to form a styrene-butadiene-acrylic acid copolymer; and then (3) neutralizing the styrene-butadiene-acrylic acid copolymer to a pH of about 4.5 to 7 to form the latex.

Abstract: The present invention is directed to a paper product which is very flexible, tough when wet, and has a high bulk. In particular, the paper towel has a dry, specific modulus less than 0.0040 kilograms, a bulk greater than 10 cubic centimeters per gram and a wet strength ratio greater than 0.40.

Abstract: A surface-sizing agent for providing a recording paper contains bacterial cellulose and/or plant-originated fine fibrous cellulose (having an average diameter of 10 &mgr;m or less), and a cationic polymer. The cationic polymer may be at least partially bonded to the bacterial cellulose and/or the plant-originated fine fibrous cellulose. The cationic polymer may be an acrylic polymer, a vinyl polymer or an allyl polymer each comprising a quaternary amino group.

Abstract: New and improved methods and products are disclosed relating to increasing the softness of paper sheets, without effecting their wetability. Increased softness, without loss of wetability is obtained by adding deactivated ketene dimer sizing agents to the sheet.

Abstract: An improved paperboard has been bulk enhanced by retaining a substantial portion of bulk-enhanced additives including expandable microspheres in a suitable distribution within the paperboard. The cellulosic paperboard web has an overall fiber weight (w) of at least 40 lbs./3000 square feet and at a fiber density of 3, 4.5, 6.5, 7, 8.3, and 9 pounds per 3000 square foot ream at a fiberboard thickness of 0.001 inch respectively, has a GM Taber stiffness of at least about 0.00716 w2.63 grams-centimeter/fiber mat density1.63 pounds per 3000 square foot ream at a fiberboard thickness of 0.001 inch, and a GM tensile stiffness of at least about 1890+24.2 w pounds per inch. The high retention of the bulk enhancing additives is believed to result from the incorporation of suitable retention aids. The resulting paperboard has better GM Taber stiffness values and GM tensile stiffness than prior art paperboards.

Abstract: This invention is to provide a paper bulking promoter with which a highly bulky sheet can be obtained without impairing paper strength. Namely, this invention provides a process for producing a bulky paper, comprising the step of making paper from pulp in the presence of a bulking promoter comprising at least one compound selected from the group consisting of a cationic compound, an amine compound, an acid salt of an amine compound, an amphoteric compound, an amide compound, a quaternary ammonium salt, and an imidazoline derivative.

Abstract: A polyolefin synthetic pulp comprising a polyolefin resin graft-modified with an unsaturated carboxylic acid or a derivative thereof, and/or a polyolefin resin composition which comprises an ethylene/&agr;,&bgr;-unsaturated carboxylic acid copolymer and a polyethylene resin. Further, there is provided a heat sealing paper comprising a base fiber layer whose at least one surface is laminated and integrated with a layer of the polyolefin synthetic pulp. This polyolefin synthetic pulp has a large breaking length and an excellent internal bond strength, and exhibits stable heat sealing and hot tack properties over a wide temperature range from low to high temperature. The polyolefin synthetic pulp is suitable to use in battery separators, molding fiberboards, heat sealing papers and the like.

Abstract: A paper product suitable for use in making envelopes and the like and having enhanced printability. The enhancement in printability is attained through the use of shoe nip calendering. The final product has the following material properties: (1) a basis weight in the range 16-32 lb./1,300 ft2; (2) a density equal to or less than 0.75 g/cc; (3) a smoothness as measured by the Hagerty/Sheffield test (TAPPI Test Method T 538 om-88) greater than 200 Sheffield units; and (4) a Parker Print Surf roughness as measured by the Parker test (TAPPI Test Method T 555 om-94) less than 5.0 microns (measured using a pressure of 10 kgf/cm2 with a soft backing).

Abstract: A toilet tissue product may include a first cellulosic ply and a second cellulosic ply. Desirably, the first cellulosic ply further includes a single layer and the second cellulosic ply further includes a single layer. At least one ply may have a region that prevents fluid from striking through the tissue product.

Abstract: The present invention provides a ceiling panel intended for good design which exhibits a light weight, sufficient flexural strength, incombustibility, sound-absorbing properties and heat insulation properties and desirable electric radiation-absorbing properties as an interior ceiling panel that acts as a best member for solving problems with communications by wireless LAN. The present invention also provides an interior ceiling panel having enhanced electric radiation barrier properties attained by applying a metal foil to the foregoing ceiling panel. A novel incombustible sound-absorbing electric radiation-absorbing ceiling panel having a thickness of from 1 mm to 30 mm is obtained by subjecting a water-dispersed slurry of a mixture of from 67 to 92 wt-% of a rock wool, from 0.5 to 8 wt-% of a beaten pulp, from 2 to 13 wt-% of a binder made of an organic resin, from 0.15 to 1 wt-% of a flocculating agent, from 0.5 to 10 wt-% of a natural mineral fiber and from 0.

Abstract: A multi-ply paper includes a fiber material base layer, which is unbleached or made of wastepaper, and a top layer. Instead of a conventional “white” fiber material top layer, the top layer is in the form of a white or colored top coating.

Abstract: The present invention is generally directed to base webs that are creped after a bonding material has been applied to at least one side of the web according to a predetermined pattern. The base web disclosed in the present application is made from at least three fibrous layers. The outer layers of the web contain synthetic staple fibers for increasing the tensile strength and abrasion resistant properties of the web. In one embodiment, the middle layer can further contain hardwood fibers, such as eucalyptus fibers, which improves the wipe dry properties of the web.

Abstract: Low-density uncreped through-air-dried webs containing bleached chemithermomechanical pulp fibers and a wet-strength resin are calendered to significantly increase density and reduce caliper. When wetted, these webs substantially return to their original caliper and density and substantially regain their original fluid-handling characteristics. Consequently these webs are very thin when dry and thick when wet. They can be used for a wide variety of applications, including paper towels, wipers and fluid-handling components for infant care and personal care products.

Abstract: An arrangement and method for forming a multilayered paper or paperboard web from stock suspensions containing papermaking fibers and fines, in which first and second webs are formed in first and second twin-wire forming units such that each web has a higher concentration of fines at one side than at the other side of the web. The webs are couched together such that the sides having the higher concentration of fines are in contact with each other.