Abstract: A non-woven fabric comprising a principal component of para-aramid fiber chops bonded with each other by a binder, the para-aramid fiber chops having a mixture of (a) poly-p-phenylene-3,4′-diphenylether-terephthalamide fibers and (b) poly-p-phenylene-terephthalamide fibers and having a blend ratio by weight of (a)/(b)=10/90˜90/10 and preferably (a)/(b)=30/70˜70/30.

Abstract: This invention relates to fibrous absorbent articles containing particles useful in the manufacture of disposable diapers, adult incontinence pads, sanitary napkins and the like, scrubbing pads, scouring pads and cleaning pads that contain a detergent or soap and the like, and pads that contain coffee, tea, and the like More particularly, the invention is directed to an absorbent articles having sealed lateral edges to contain loose fibers and particles within the structure. Additionally, this invention is related to airlaid methods to manufacture unitary absorbent products.

Abstract: A nonwoven having varying densities of the fibers that make up the nonwoven. The nonwoven has a length direction x, a width direction y, and a thickness direction z. The density of the fibers 11 in the nonwoven 10 varies long the width direction y of the nonwoven 10.

Abstract: A papermaker's fabric, designed for use as a base fabric for a TAD belt, but also usable on the forming, press and dryer sections of a paper machine, has a plurality of warp yarns interwoven with a plurality of weft yarns. The warp yarns are of two types. Those of the first type weave with the weft yarns in a plain weave, while those of the second type weave with the weft yarns in a 2×2 twill weave. The warp yarns of the first type alternate with those of the second type, which undulate between adjacent yarns of the first type to give the fabric a desired openness.

Abstract: A thermally protective, flame retardant fabric includes a substrate treated with a combination of a flame retardant agent and an intumescent agent. The substrate includes non-thermoplastic fibers or a blend of non-thermoplastic fibers and thermoplastic fibers having a basis weight ranging from 2.0 to 15.0 ounces per square yard. The fabric has a contact thermal protective performance value of at least 4.5 and a contact thermal protective performance efficiency greater than 1.1. Applications of the fabric include protective garments, articles of furniture, vehicle components, building components, electrical components, decorative components, appliances, and containers.

Abstract: An adherent article, such as a bandage or adhesive tape, having a nonwoven substrate that contains water soluble fibers is provided. The water soluble fibers of the nonwoven substrate can include polyvinyl alcohol fibers that only dissolve at temperatures greater than 37° C. and/or polyvinyl alcohol fibers that can dissolve at temperatures less than about 37° C. The adherent article also includes a pressure-sensitive adhesive applied to the nonwoven substrate that facilitates adherence of the substrate to human skin. The pressure-sensitive adhesive can be water soluble or generally insoluble, but dispersible in water.

Abstract: Disclosed is both a method and composition for forming a thermo-formable acoustical panel. The panel may be formed from multi-component polymer fibers or mono-filament polymer fibers dispersed in a mineral fiber batt. The polymer fibers are bound to the mineral fibers by the application of heat to form the acoustical panel.

Abstract: A novel porous fibrous structure containing from 10 to 100% by weight of wet heat bonding fibers, having cellular cavities in the fibrous structure of the fibers, in which a plurality of indefinite cellular cavities are present independently or in a state of partially connected in the inside of the fibrous structure, at least a portion of the fibers constituting the fibrous structure is heat bonding by the wet heat bonding fibers, and a process for producing such porous fibrous structure.

Abstract: A floor cleaning sheet (1) impregnated with an aqueous detergent is used as attached to a cleaning part (11) of a cleaning tool (10) having a handle (12) of stick form connected to the cleaning part (11). The surface layer of the floor cleaning sheet (1) which is to be brought into contact with a floor comprises nonwoven fabric formed by fiber entanglement of a fiber web and has a static friction resistance of 900 to 2500 cN against #1200-grit sandpaper.

Abstract: A thermal insulating material is formed by stacking two or more card webs, and each card web includes a matrix fiber, a heat-melting fiber, and a thin film formed by the heat-melting fiber being fused on a surface of the card web. Each card web has the heat-melting fiber within the card web fused together, and the card webs are integrated by fusing of the heat-melting fibers between the card webs. The thermal insulating material is used such that the direction in which the card webs are stacked runs parallel to the direction in which thermal insulation is effected.

Abstract: A nonwoven fabric containing fibers made of polyoxyalkylene and a method for its production and its use. The fabric may be obtained by known methods of producing nonwovens and may particularly be used as a separator in batteries.

Abstract: A spunbond nonwoven fabric useful as a topsheet is produced from polypropylene filaments including a high level of reclaimed polypropylene, while maintaining a product quality, including superior formation, comparable to that obtained when using 100 percent virgin polymer. The spunbond nonwoven fabric is made with multicomponent filaments having at least two different polymer components occupying different areas within the filament cross section, and wherein one of the polymer components comprises reclaimed polypropylene recovered from previously spun polypropylene fiber or webs comprised of previously spun polypropylene fiber. In a specific embodiment, the filaments are sheath-core bicomponent filaments and the reclaimed polypropylene is present in the core component. The core of the bicomponent filament can be comprised of up to 100% reclaimed polypropylene.

Abstract: The invention relates to a ballistic resistant material having a V50 value of at least about 1000 feet per second. The ballistic resistant material includes at least two types of fibrous materials, which are blended and consolidated together, preferably by needlepunching, to create a single layer of nonwoven, composite material. The needle punching is preferably in the range of 200 to 1000 needlepunches per square inch. The fibrous materials are characterized by being deformed when subjected to the impact of a ballistic object. One of the fibers phase changes, e.g. melting, upon impact and at least one other fiber fibrillates upon impact. One of the fibers must phase change at a temperature at least 80° C. lower than the highest melting or destruction point fiber in the high modulus fiber blend.

Abstract: Nonwoven webs for use as the surge layer of personal care articles are provided. The webs include a first, binder fiber, which is a biodegradable thermoplastic fiber that does not undergo severe heat shrinkage. The webs further include a second fiber which is a biodegradable, thermoplastic fiber. The first and second fibers are combined to form a web that has a moderate permeability, in the range of 500 to 1500 &mgr;m2, and a high void volume, greater than 25 cm3/g.

Abstract: A nonwoven fibrous mat containing non-cellulosic fibers such as glass fibers, mixtures of glass fibers and synthetic polymer fibers, ceramic fibers, mixtures of glass fibers and natural fibers and mixtures thereof bound together with a water soluble, formaldehyde free binder, the binder content of the mat being in the range of about less than about 4 weight percent of the dry mat is particularly useful in making wood or wood product laminates. The mat can also contain limited amounts of cellulosic fibers. The low binder content produces mat manufacturing efficiencies and advantages in the wood laminate.

Abstract: A hood, dash, firewall or engine cover liner is provided for a vehicle. The liner includes a nonlaminate acoustical and thermal insulating layer of polymer fiber that shows no signs of any thickness increase, delamination, deterioration or any undesirable effect which may affect performance for at least 330 hours when maintained at a temperature of at least approximately 150° C. The liner may include a relatively high density, nonlaminate skin of polymer fiber and/or one or more facing layers constructed from polymer material.

Abstract: An under carpet heat shield/floor pan insulator is provided for a vehicle. The shield/insulator includes an acoustical and thermal insulating layer of polymer fiber that shows no signs of any thickness increase, delamination, deterioration or any undesirable effect which may affect performance for at least 330 hours when maintained at a temperature of at least approximately 150° C. The shield/insulator may include a relatively high density, nonlaminate skin of polymer fiber and/or one or more facing layers constructed from polymer material.

Abstract: Fibers and fibrous materials are disclosed that comprise a functional fiber and a binder fiber. The functional fiber can be a continuous or a staple fiber, while the binder fiber is a staple bicomponent fiber. Uses of the fibers and fibrous materials are also disclosed.

Abstract: Multilayer meltblown fibrous webs, as well as apparatus and methods of forming the webs. The webs are produced on a rotating collector that also moves parallel to its longitudinal axis. The webs are thus formed in a helical process, and the resulting tubular web is separated in a direction parallel to a helix angle. By separating the tubular web in a direction parallel to the helix angle, a flat multilayer meltblown fibrous web is provided that allows for incorporation of feathered edges formed during the article's manufacture.

Abstract: A fire blocking material is disclosed comprising a nonwoven fabric including para-aramid fibers and pre-oxidized polyacrylonitrile, and optionally, a garnett of recycled polybenzimidazole, para-aramid or meta-aramid, or combinations thereof to form a fire blocking textile meeting Federal Aviation Administration regulation FAR 25.853 and Appendix F to Part 25.

Abstract: A blend of melamine resin fibers, aramid fibers and/or modacrylic fibers produces compositions and products having superior fire blocking characteristics, as well as superior strength, manufacturing and end-user comfort characteristics.

Abstract: This invention relates to antimicrobial fabrics which are treated with a specific durable and regenerable halamine/chlorine system and methods of removing residual active chlorine from the target textile surface without reducing the antimicrobial activity of the textile. Such methods comprise contacting an amine-treated fabric first with a halogen-based bleach (or other halogenated liquid) to produce halamines at the fabric surface, and subsequently washing the resultant halogenated fabric with a reducing agent which removes the residual, unbonded halogen (such as chlorine) from the fabric surface but does not, surprisingly, remove the halamine halogen. The remaining halamine halogen thus provides the desired antimicrobial activity.

Abstract: The present invention discloses environmentally degradable multicomponent fibers. The configuration of the multicomponent fibers may be side-by-side, sheath-core, segmented pie, islands-in-the-sea, or any combination of configurations. Each component of the fiber will comprise destructurized starch and/or a biodegradable thermoplastic polymer. The present invention is also directed to nonwoven webs and disposable articles comprising the environmentally degradable multicomponent fibers. The nonwoven webs may also contain other synthetic or natural fibers blended with the multicomponent fibers of the present invention.

Abstract: An absorbent fleece for use in hospital supplies, comprises a fiber blend of about 80-95% viscose and 10% polyester formed into a dry laid, nonwoven web, wherein the web consists of multiple, carded and cross-lapped layers that are consolidated using a needle-punch process, whereby the fleece has a water absorbtion of at least about 1,000 wt % and an absorbing speed of at least about 20 mm after 10 seconds.

Abstract: The invention relates to a composite material which has at least one formation comprising fibers and aerogel particles and is characterised in that the fibrous formation contains at least one thermoplastic fibrous material to which the aerogel particles are bound and by which the fibers in the formation are bound together. It also relates to a process for the production of said composite material, and the use thereof.

Abstract: An orthopedic casting material comprising a substrate impregnated with a water-curable resin comprising an aromatic polyisocyanate and a polyol, wherein the free NCO level of said prepolymer is from about 6% to about 10%. Preferably the free NCO level is from about 7% to about 8%. Preferably the polyol has a molecular weight of at least 2,000, and a hydroxyl number of from about 28 to about 56, preferably from about 35 to about 40. The casting material may be packaged as a kit with a casting aid comprising a substrate impregnated with a lubricating material.

Abstract: An acoustical insulation product for a vehicle includes a blanket of fibers and a facing material adhered to a major surface of the blanket. The product has a perimeter flange made by pressing the facing material and an edge portion of the blanket together. The flange provides stiffness to the product, and the flange is capable of being held in place on the vehicle by an attachment system.

Abstract: The invention concerns a method for producing a nonwoven web formed at least partly with hydrophilic elementary fibers which consist in: producing by carding a textile layer (10) which is then compressed and moistened; subjecting it to a bonding treatment using water jets acting at least against one of its surfaces; and transferring said bonded layer to a unit (32, 33) to be dewatered and dried. Said method is characterised in that, after the bonding treatment (20) with water jets and before drying and delivery, the pre-bonded and moistened layer is transferred to a supplementary unit (28) to be treated by the action of one or several series of water jets, said unit comprising a mobile suction surface in the form of a drum covered with an open-work structure (30) consisting of a wire-mesh fabric, comprising successive raised and recessed zones.

Abstract: The present invention provides ion-sensitive, water-dispersible polymers. The present invention also provides a method of making ion-sensitive, water-dispersible polymers and their applicability as binder compositions. The present invention further provides fiber-containing fabrics and webs comprising ion-sensitive, water-dispersible binder compositions and their applicability in water-dispersible personal care products.

Abstract: The invention is directed to a hydroentangled nonwoven fabric, the outer surface of which exhibits highly entangled fibers whereas the inner layer exhibits lightly entangled fibers. In particular, the present invention contemplates that a fabric is formed from a fibrous batt that is subjected to fluidic energy, preferably hydraulic energy, applied to one or both faces of a fibrous batt. The hydraulic energy is moderated against the basis weight of the fibrous batt to achieve the degree of surface entanglement desired. Fabrics formed in accordance with the present invention exhibit a sufficient degree of softness and non-linting performance, while providing the necessary resistance to tearing and abrasion, to facilitate use in a wide variety of applications such as cast padding or orthopedic wraps.

Abstract: The instant invention is directed to dyed fabric blends of aramid fibers and flame resistant (FR) cellulosic fibers, which retains a substantial amount of its strength and durability after dyeing. The dyeing process comprises the steps of: providing a fabric comprising a blend of aramid fibers and cellulosic fibers, dyeing the cellulosic fibers of the fabric, and dyeing the aramid fibers of the fabric. Dyeing of the aramid fibers being preformed with low agitation, an aryl ester carrier, and, preferably, at a temperature between 100-110° C.

Abstract: The present invention provides a synthetic fiber paper, the synthetic fiber paper comprises poly (phenylene terephthal amide) fiber, polyethylene glycol terephthalate fiber and powdered mica. The synthetic fiber paper has high-temperature resistance, high strength, low-deformability, resistivity against fire, burning resistance, resistance to chemical corrosion and excellent property of electric insulation, it can be widely applied in the field of mechano-electronics product, aviation, aerospace, military project for national defence, high-tech areas for civil use, high-voltage equipment, high-temperature circumstance as insulting material, it often can be used in composite materials with special use as structural material. The present invention also provides a process for preparing this synthetic fiber paper.

Abstract: A wound dressing comprises a blend of at least two types of discrete fibers wherein one discrete fiber is of a modified cellulose gel-forming material and a second discrete fiber is of another type of gel-forming material such as an alginate.

Abstract: A fibrous layer that includes a refined blend of crosslinked cellulosic fibers and noncrosslinked cellulosic fibers. In one embodiment, the layer includes about 85 percent by weight crosslinked fibers and about 15 percent by weight noncrosslinked fibers. An absorbent construct that includes the fibrous layer and a liquid storage layer. Personal care absorbent products that include the distribution layer.

Abstract: A paper machine felt having at least one nonwoven layer made of plastic fibers, wherein there is present in the nonwoven layer or in at least one of the nonwoven layers a fiber combination in which a portion of the plastic fibers is made of a material A that has a water uptake of more than 10 wt % (saturation value, 23° C.) and in which the majority of the plastic fibers is made of a material B that has a water uptake of no more than 10 wt % (saturation value, 23° C.).

Abstract: The present invention is directed to enhancing the aesthetic appearance of surfaces by the contact application of a nonwoven fabric having a three-dimensional image imparted therein. The three-dimensional image of the nonwoven fabric induces a topical modification in either the actual or perceived texture of a surface when the imaged nonwoven fabric is applied to, then removed from, the surface. The imaged nonwoven fabric disclosed herein exhibits low Tinting qualities thereby reducing the potential of fiber contamination of the treated surface and is sufficiently durable that the sample can be used and rinsed clean a plurality of times, markedly increasing the working life-span.

Abstract: Wet-laid nonwoven webs having mechanical reinforcement properties are provided by employing unpulped vegetable fiber bundles as the predominant fiber component. The unpulped fiber bundles have a modulus of elasticity of about 2-5×10 6 psi and a chopped fiber length of about 25 mm. The fibers are cordage fibers including sisal, abaca, henequen, kenaf and jute. Composites of the unpulped fiber webs with cellulosic and spunbonded sheets find application as thermoformed vehicle interior trim products.

Abstract: Adhesive tape having a tapelike backing of nonwoven material, which is coated on at least one side with an adhesive, the nonwoven web being a staple fiber web which is mechanically consolidated or wet-laid, between 2% and 50% of the fibers of the web being fusible fibers.

Abstract: A filter material for separating solid, particulate and gaseous components from fluids, which is enclosed on both the upstream and downstream sides with a particle filtering medium.

Abstract: A cleaning sheet which comprises 10 to 90% by weight of thermoplastic fibers having a fiber length of 2 to 15 mm and a fineness of 10 to 150 dtex and 10 to 90% by weight of cellulosic fibers, and has a large number of tips of the thermoplastic fibers exposed on the surface the cleaning sheet to have capability of scouring or scraping dirt off present on a soiled surface.

Abstract: A non-woven fabric comprising a principal component of para-aramid fiber chops bonded with each other by a binder, the para-aramid fiber chops having a mixture of (a) poly-p-phenylene-3,4′-diphenylether-terephthalamide fibers and (b) poly-p-phenylene-terephthalamide fibers and having a blend ratio by weight of (a)/(b)=10/90˜90/10 and preferably (a)/(b)=30/70˜70/30.

Abstract: A wholly aromatic polyamide (aramid) fiber synthetic paper sheet includes 70-96 wt % of an aramid staple fiber component which includes 30 wt % or more of a para-type aramid staple fibers each having two or more annular projections spaced from each other and having an average ratio R/&ggr; of the largest diameter R of the annular projections to the smallest diameter &ggr; of the annular projection-free portions of the staple fiber, of 1.1 or more, and 4-30 wt % of a binder component, namely a resinous binder and/or heat resistant fibrids.

Abstract: A preform material for manufacturing a protective garment having a top material, in particular a firefighter's protective garment. The material is made of an insulating lining made up of an at least two-ply water-jet-consolidated nonwoven fabric having a weight per unit area of 80 g/m2 or lighter for each individual ply, a lining material having a weight per unit area of 120 g/m2 or lighter, that is quilted to the at least two-ply nonwoven fabric; and a semipermeable membrane, constituting a moisture barrier. After the at least two-ply water-jet-consolidated nonwoven fabric has been quilted to the lining material, the semipermeable membrane is laminated onto the outer side, facing away from the lining material, of the nonwoven fabric ply and has a weight per unit area of 20 to 30 g/m2.

Abstract: A durable, low-density, high performance insulating material is suitable for use as a high temperature thermal and acoustic insulation. The insulation includes fiber batting made with non-thermoplastic fibers or blends of fibers such as aramid fibers and ceramic fibers, which are bound within at least some interstices by high temperature non-flammable thermoplastic binder such as polyphenylene sulfide. In addition, a fireblocking layer can be provided on at least one surface of the insulation to further improve fire ablation or flame retardance.

Abstract: A soundproofing material made of nonwoven materials containing thermoplastic fibers for the acoustic frequency range of 100 to 5000 Hz is characterized in that the nonwoven material is permanently compacted to a specific flow resistance of RS=800-1400 Ns/m3 in two stages by a mechanical compaction process and a subsequent pressure/heat treatment.

Abstract: A composite having a plurality of filaments arranged in a fibrous web that is held together in a unitary structure by a domain matrix. The domain matrix comprises a plurality of matrix islands that individually connect, or bond, at least two filaments, to thereby hold the filaments in a unitary structure. Portions of the filament lengths within the unitary structure are free of matrix islands, causing the domain matrix to be discontinuous. The composite possesses a greater flexibility than coated structures. The composite may be formed into cross-plied structures. A method of making the composite also is disclosed.

Abstract: The present invention is directed to a multiple component meltblown web comprised of at least 95% by weight of meltblown fibers having an average effective diameter of less than 10 microns, said multiple component meltblown web comprised of a first polymer component and a second polymer component distinct from said first polymer component, said first polymer component being comprised of from 1% to 99% by weight of a first polymer and from 99% to 1% by weight of a second polymer.

Abstract: A voluminous non-woven fabric that has a textured yarn shot through it, at least in one preferential direction, where an endless filament and/or staple fiber non-woven fabric with a mass per unit area of 5 to 100 g/m2 has a textured multifilament yarn with a titer in the range of 10 to 400 dtex shot through it, and where the distance of the multifilament yarns from one another is 1 to 10/cm, and the mesh number is 0.5 to 8/cm, and the multifilament yarn threads are shrunk by 3 to 80%, using moist-thermal or wet-thermal treatment.

Abstract: A crosslinkable cellulosic fibrous product that includes cellulosic fibers and a crosslinking agent is disclosed. The crosslinkable cellulosic fibrous product can be formed as a web or sheet that has structural integrity and sheet strength sufficient to permit the fibrous web to be rolled, transported, and used in rolled form in subsequent processes. The crosslinkable fibrous product can be converted into a crosslinked fibrous product by subjecting the product to conditions sufficient to effect intrafiber crosslinking. Alternatively, the web can be fiberized and the resulting individual crosslinkable fibers combined with other fibers and/or other materials to provide a fibrous web containing crosslinkable cellulosic fibers. Subjecting such a web to crosslinking conditions provides a fibrous web that includes, in addition to other fibers or materials, crosslinked cellulosic fibers.

Abstract: A stencil is made by thermally forming perforations arranged in both a main scanning direction and a sub-scanning direction in a thermoplastic resin film of heat-sensitive stencil material by the use of a heat source which is heated through supply of energy. Supply of energy to the heat source is cut when a time interval not shorter than 50% and not longer than 100% of an estimated perforating time lapses from the time at which supply of energy to the heat source is started. The estimated perforating time is a time interval expected to be necessary for a perforation to be produced by the heat of the heat source and to be enlarged to a desired size as a final size as measured from the time at which supply of energy to the heat source is started.