Abstract: A polyolefin composition comprising (parts by weight) (A) 100 parts of a crystalline isotactic propylene polymer resin having a molecular weight distribution ( Mw/ Mn) less than 3, the proportion of inversely inserted propylene units based on 2,1 insertions of a propylene monomer in all propylene insertions, i.e. 2,1 insertions, is as low as 0.5% or less, and a value of the melt flow rate (MFR) from 20 to 60 g/10 min; and (B) 0.1-1 part of a high molecular weight propylene polymer (B) having a value of melt strength from 5 to 40 cN. Fibres prepared from the said composition exhibit a good balance between elasticity and tenacity.

Abstract: A spunbond non-woven containing bamboo charcoal is provided, which has functions of thermal insulation, deodorization and acoustical absorption and including a plurality of non-woven fibers. The non-woven fibers include a bamboo charcoal mixture including bamboo charcoal and a polymer, wherein the bamboo charcoal accounts for 0.05˜35 wt % based on the total amount of the bamboo charcoal mixture. The present invention additionally provides a method for fabricating the single-component or multi-component spunbond non-woven containing bamboo charcoal. A bamboo charcoal grain containing bamboo charcoal is prepared, wherein the bamboo charcoal has an amount of 0.05˜35 wt % based on the total weight of the bamboo charcoal grain. Next, the bamboo charcoal grain or the bamboo charcoal grain mixed with a polymer is spunbond with another polymer by using a spin apparatus to form a non-woven.

Abstract: A breathable viral barrier film, viral barrier laminate and surgical articles including the film or laminate are provided. The film has viral barrier properties in the presence of low surface tension liquids, as well as in the presence of aqueous liquids. The film includes a core layer surrounded by two skin layers. The core layer includes a polymer matrix, filler particles, and at least 0.5% by weight of a selected fluorochemical. The film is bonded to one or more nonwoven webs to provide laminates useful in surgical articles.

Abstract: A breathable viral barrier film, viral barrier laminate and surgical articles including the film or laminate are provided. The film has viral barrier properties in the presence of low surface tension liquids, as well as in the presence of aqueous liquids. The film includes a core layer surrounded by two skin layers. The core layer includes a polymer matrix, filler particles, and at least 0.5% by weight of a selected fluorochemical. The film is bonded to one or more nonwoven webs to provide laminates useful in surgical articles.

Abstract: Described are a filter material which contains heatsealable, biodegradable and compostable polymeric fibers and is characterized in that it additionally contains a lubricant in an amount from 0.5 to 5.0% by weight, based on the paper weight of the ready-produced filter material, and also processes for producing same.

Abstract: A nonwoven web of a wettable fiber matrix, wherein the wettable fiber matrix are thermoplastic polymeric fibers blended with at least one hydrophilic melt additive. In alternate embodiments, the nonwoven web further includes binder fibers which may be wettable or non-wettable or combinations of both.

Abstract: Stretchable film laminates including a layer of elastomeric openwork, such as a plurality of elastic strands or an elastomeric mesh structure. The stretchable film laminates may include a film layer bonded to the layer of elastomeric openwork, with the film layer having cross-directional stretch and the laminate having a multi-phase stretchability profile. The stretchable film laminates may be made by extruding a film from a die, stretching the film, forming and stretching a layer of elastomeric openwork, conveying the stretched elastomeric openwork onto the film while the film is stretched, and passing the film and the elastomeric openwork through a nip. The invention also includes a machine capable of producing machine-direction, cross-direction, and biaxial stretch materials. The machine includes at least one extruder, at least one filament die and at least one film die both attached to the extruder(s), and at least one nip downstream of the extruder(s).

Abstract: This invention relates to a spunbonded nonwoven made of thermoplastic material, which exhibits a filament diameter of less than 1.0 ?m. The filaments are made from bursted fibers, whereby the filaments exhibit a length of at least five centimeters and are connected to one another at discrete points.

Abstract: anchoring layer, including patterned and non-patterned structures. Also provided are personal care products comprising the present structures and methods of making the structures.

Abstract: Provided are layered non-woven structures comprising a fibrous, water-permeable anchoring layer and a fibrous layer having fibers entangled about the anchoring layer, including patterned and non-patterned structures.

Abstract: A filter material has one or more plies of fiber layers, in particular for the production of filter bags and filter cones for infused beverages, the at least one fiber layer containing fibers or microcapsules having phase change material. Paraffinic hydrocarbons can be used as the phase change material.

Abstract: A multilayer, breathable film that contains a base layer and at least one skin layer is provided. The skin layer is incorporated with a filler that is capable of reducing odor. The base layer may be substantially free of the odor-reducing filler to maintain the integrity of the resulting film. As a result, it has been discovered that the multilayer film of the present invention can be used to reduce odor in a variety of applications, while still maintaining the desired breathability.

Abstract: A stretch laminate includes a first layer including an elastomer film, the first layer having a surface, and a second layer including a nonwoven material, the second layer having a basis weight of less than about 25 gsm and a surface that is attached to the surface of the first layer. The elastomer film has a strength of an engineering tensile strength, at an engineering strain rate of about 600/s, of at least one of about greater than about 14 MPa for a plain specimen or about greater than about 7 MPa for a notched specimen. A method of making the stretch laminate and an absorbent article having at least one region defined by the stretch laminate are also provided.

Abstract: A material is provided that is particularly suited for use in absorbent articles. The material has a base layer of a generally non-elastic material and at least two strips or regions of elastomeric material attached to the base layer material with a space therebetween such that a center region of the base layer material is bordered on at least two sides by composite regions of the elastomeric materials and the base layer material. The center region of base layer material remains generally non-extensible and the composite regions are stretchable in at least a first direction as a result of tensioning and necking-in the base layer material prior to attaching the elastomeric materials. The invention includes methods for making the material, as well as absorbent articles incorporating the materials.

Abstract: This invention relates to nonwoven fabrics in which the fibers of the fabric are laid down such that a majority of the fibers have a fiber direction making an angle substantially parallel to or within an angle in a range of +/?45° of the machine direction. The invention also relates to a nonwoven fabric bonded web having bonding points in a pattern arranged along an axis perpendicular to the machine direction spaced and more widely apart than the bonding points arranged along an axis parallel to the machine direction. The resulting nonwoven having a very low elongation in the machine direction can be elongated with relatively little force in the cross machine direction.

Abstract: The invention relates to a pressure-sensitive adhesive tape or sheet, which comprises a support and a pressure-sensitive adhesive layer disposed on one side of the support, in which the support comprises a first substrate and a second substrate disposed on at least one side of the first substrate and is treated with a filling agent, the first substrate includes a melt blow nonwoven fabric, the second substrate includes a span bond nonwoven fabric having a bulk density of from 0.05 to 0.

Abstract: The present invention provides a colored reinforced article of manufacture having a substantially uniform distribution of color. The colored reinforced article of manufacture comprises a fiber-reinforced thermosetting resin matrix and a non-appertured colored veil in the thermosetting resin matrix.

Abstract: Elastic attachment adhesive compositions of conventional rubber-based construction adhesive and a crystalline polymer have improved bond strength over conventional elastic attachment adhesives. The addition of a crystalline polymer to conventional rubber-based elastic attachment adhesive also results in elastic attachment adhesive compositions having improved bond strength. These elastic attachment adhesive compositions are particularly suitable for use in absorbent articles.

Abstract: A composite textile fabric for rapidly moving moisture away from the skin, and for retaining body heat, is provided. The composite fabric includes an inner fabric layer made of a yarn comprising a plurality of fibers primarily of polyester or other synthetic yarns which have been rendered hydrophilic, and an outer fabric layer made of a yarn comprising a plurality of fibers primarily of polyester or other synthetic yarns which have also been rendered hydrophilic. The inner fabric layer and the outer fabric layer are formed concurrently by knitting a plaited construction so that the layers are distinct and separate, yet integrated one with the other. The yarn fibers of the inner fabric layer are embedded with particles of a refractory carbide, or may be treated by metal vapor deposition to enhance the retention of body heat.

Abstract: The present invention relates to a nonwoven fabric having a relatively low level of ionic contaminates which is achieved by exposing the fabric to a deionized water wash, preferably, in-line with the nonwoven production process, thereby eliminating, or at least reducing, the need for an expensive and time consuming cleanroom laundering. The fabric is primarily comprised of continuous filament fibers and may be manufactured into such end-use products as cleaning wipes and protective clothing for cleanrooms and surface coating operations, such as automotive paintrooms. Also encompassed within this invention is a method for producing a nonwoven fabric having a relatively low level of ionic contaminates.

Abstract: An agend fiber composed of an active agent/positive dispensing carrier combination and a fiber forming component. As a fiber or nonwoven or textile fabric containing the fiber, the agend delivers the active agent at a desired rate under conditions of use. Product applications include personal care products such as diapers, training pants, swimwear, refastenable pants, absorbent underwear, feminine hygiene products, incontinent wear, wound dressings and cleansing wipes. The fibers may be formed as monocomponent fibers or multicomponent fibers of varying configurations. Active agents that can be dispensed include skin wellness agents, therapeutic agents, and cleaning agents, for example. In accordance with the invention, agend fibers provide desirable uniformity of dispensing and control of dispensing rates.

Abstract: The subject invention provides non-woven fabrics having yarns of varying characteristics. In a preferred embodiment the subject invention provides nonwoven fabrics that comprise yarns of different deniers or cross sections. The use of these yarns gives the nonwoven fabric a unique appearance and advantageous properties. The subject invention further pertains to the processes used to produce these fabrics.

Abstract: Nonwoven fabric fabrics suitable for undergoing pleating to form filtration media are provided. The fabrics generally include at least three layers. The fibers forming the inner layer has a cross section providing greater stiffness, while the fibers forming the outer layers have a cross section providing greater durability. The resulting fabrics provide improved particulate holding and pressure drop characteristics at no sacrifice to durability.

Abstract: The present invention relates to a composite sheet material that is water vapor permeable and substantially liquid water impermeable. The composite sheet material includes an outer layer, a film, and a reinforcing layer and, preferably, has an ASTM D3833 water vapor transmission rate of greater than 250 g/m2/day, and a tensile strength of at least about 100 N/5 cm when tested in accordance with ASTM D5035. The sheet material is useful as a membrane for roofing, housewrap, insulation facing and in the fabrication of protective apparel.

Abstract: A disposable dish care and hard surface cleaning wipe is disclosed. In one embodiment, the wipe is comprised of a water insoluble substrate that includes a partially hydrophobic nonwoven first layer, and a low density nonwoven second layer that is adjacent to the said first layer and has melded onto the side facing away from the said first layer an abrasive coating of thermoplastic material nubs or hooks, and a cleaning paste containing a surfactant.

Abstract: A nonwoven fabric comprises continuous polymer filaments of 0.5-3 denier that have been hydroentangled in a complex matrix of interconnecting filament loops, and that is otherwise substantially free of knotting, or of otherwise wrapping about one another. A process for making a non-woven fabric comprises continuously extruding polymer filaments of 0.5-3 denier onto a moving support, pre-entangling the filaments with water jets, and entangling filaments with a second set of water jets. An apparatus for making a nonwoven fabric comprises means for continuously extruding substantially endless polymer filaments of 0.5-3 denier onto a moving support to form an unbonded web, a pre entangling station for entangling the web with a plurality of water jets, and a plurality of water jets for final entanglement of the filament web.

Abstract: The present invention is directed to a nonwoven composite fabric for use on batteries or fuel cells comprising one or more layers of fine denier spunbond filaments and at least one layer of barrier material, wherein said nonwoven composite fabric has an improved barrier performance as measured by an increase in the hydrostatic head to barrier layer basis weight ratio. In the present invention, a first fine denier layer is formed, comprising continuous spunbond thermoplastic filaments, with the size of the continuous filaments between about 0.7 and 1.2 denier, preferably less than or equal to 1 denier. A barrier layer is deposited onto the first fine denier layer. The barrier layer preferentially comprises microfibers of finite length, wherein the average fiber diameter is in the range of about 1 micron to about 10 microns, and preferably between about 1 micron and 5 microns, said layers being consolidated into a composite fabric.

Abstract: A non-woven mat of inorganic fiber is disclosed having a substance which is lower at the edges of the mat than in the remainder of the mat. Apparatus for making such a mat includes: a source of a slurry of inorganic fiber in a liquid; a forming wire disposed to move past the source, the liquid passing through the forming wire to deposit the inorganic fiber on the forming wire; a mask across a part of the width of the forming wire to hinder passage of the liquid through the forming wire over the part, the effectiveness of the mask varying in the direction of movement of the forming wire past the slurry source.

Abstract: An elastic composite is formed by securing an elastic member to a substrate along a securement path extending longitudinally of the substrate. The position of the elastic member on the substrate varies laterally along the longitudinally extending securement path in a generally periodic wave pattern having at least one period within the securement path. The periodic wave pattern is such that the elastic composite is more stretchable in the direction of the securement path than transverse to the securement path. In another embodiment, the securement path varies laterally as it extends longitudinally along the securement path. The position of the elastic member varies transversely within the securement path to at least partially define a width of the securement path.

Abstract: A nonwoven fabric comprises a first layer formed of staple fibers having a smooth outer surface, a second layer formed of staple fibers having an outer surface with a roughened texture and a third, spunbond layer sandwiched between the first and second layers. A binder material is applied to the second layer which substantially covers its textured surface and is effective to resist deformation under the application of pressure even in the presence of liquid.

Abstract: Nonwoven barrier laminates are provided having a desirable balance of properties, including barrier properties, strength, static dissipation, fluid repellency, aesthetics and tactile properties. The nonwoven barrier laminates of the invention generally include outer spunbonded layers, at least one hydrophobic microporous layer between the outer spunbonded layers, and at least one discrete layer of electrically conductive strands. A multiplicity of discrete bond sites bond the various layers of the nonwoven barrier laminate into a coherent fabric.

Abstract: A treatment composition and a method for treating substrates that includes contacting at least a portion of the substrate with (a) an alkyl polyglycoside or a derivative of an alkyl polyglycoside; and (b) a polysaccharide, a modified polysaccharide, a derivative of a polysaccharide or a derivative of a modified polysaccharide is provided. A treated substrate is provided that when used in a personal care product like a diaper and in such a way that the substrate is not in direct contact with skin promotes skin dryness.

Abstract: A non-halogen series floor material includes an intermediate resin layer containing filler, resin having no chlorine atom in chemical structure as a primary resin ingredient and amorphous poly ?-olefin resin whose number average molecular weight is 20,000 or less. The content of the amorphous poly ?-olefin resin is 5 to 40% by weight with respect to entire resin ingredients. On the upper surface of the intermediate resin layer, a surface resin layer having a thickness of 30 to 1,000 ?m is integrally formed. The surface resin layer includes no chlorine atom in chemical constitution. On the lower surface of the intermediate layer, a heat shrinkage-characteristic cloth is integrally formed by heating it to form a backing layer. This provides a non-halogen floor material that hardly generates toxic gases at the time of burning, can be manufactured at a low cost and is excellent in wear resistance, stain resistance, dimensional stability and workability.

Abstract: Elastomeric adhesive compositions including a high softening point tackifier resin in combination with a base polymer can be used to create laminates having effective adhesion and elastic properties. The compositions may also include a low softening point additive, and/or an antioxidant. Facing layers, such as nonwoven webs and/or films, can be laminated to both surfaces of the elastomeric compositions to form laminates. A method of making such compositions and laminates involves forming the compositions into elastomeric adhesive films.

Abstract: A multiple component spunbond web is provided in which the spunbond fibers are polymeric sheath-core fibers with a sheath made of a blend of polyethylene and an acid copolymer and a polyester or polyamide core. The spunbond webs can be thermally bonded have an improved combination of strength, softness, and heat sealability and can be used to prepare multi-layer composite sheets including spunbond-meltblown-spunbond fabrics suitable for use in medical garments and other end uses.

Abstract: This invention relates to an improved method for preparing stretchable multiple-component bonded composite sheets which involves bonding a fibrous layer of spirally-crimpable multiple-component continuous filaments or staple fibers to one or more non-spirally-crimpable layers using an array of intermittent mechanical, chemical, or thermal bonds, and heating the bonded composite to activate the spiral crimp of the fibers in the spirally-crimpable layer. Multi-layer nonwoven fabrics prepared according to the method of the current invention have an improved combination of strength, aesthetics, stretch-recovery properties, and textile hand and drape compared to multiple-component nonwoven fabrics known in the art.

Abstract: The present invention is aimed at providing FRP formed by integrating a fiber reinforcing material and a non-woven fabric, and having excellent shaping ability, impact resistance after molding, and excellent reliability and low cost. The aim of the present invention is achieved by a complex fiber reinforcing material including a sheet-shaped fiber reinforcing material composed of reinforcing fibers, and a non-woven fabric laminated on at least one side of the fiber reinforcing material, wherein the fibers constituting the non-woven fabric pass through the fiber reinforcing material to integrate the non-woven fabric with the fiber reinforcing material.

Abstract: An elastic strand laminate, and a method of making an elastic strand laminate. The elastic strand laminate includes a plurality of self-adhering elastic strands made up of an elastomeric adhesive composition. The self-adhering elastic strands can be laminated to one or more facing sheets using conventional hot melt equipment.

Abstract: The present invention is directed to a method of making a substantially continuous filament web which includes providing a plurality of polymer extruders for supplying polymer streams of at least two different polymer compositions, and providing a spinneret assembly for receiving the polymer streams. The spinneret assembly includes a plurality of orifices from which the polymer streams are extruded for formation of substantially continuous filaments formed from the polymer compositions. The distribution of at least one of the polymer compositions within the spinneret assembly is selected to optimize selected physical characteristics of the resultant continuous filament web.

Abstract: A nonwoven fabric laminate having a meltblown layer positioned between two spunbond nonwoven layers. The meltblown layer having a gradient fiber size structure across a thickness thereof with at least one layer of coarse meltblown fibers. In one embodiment, the gradient fiber size structure has at least two layers of meltblown fibers, for example at least one layer of fine meltblown fibers and at least one layer of coarse meltblown fibers, having a mean fiber diameter difference of at least 4.0 microns.

Abstract: A breathable laminate having biaxial elastic stretch, cloth-like aesthetics, and a fluid barrier is formed by bonding a breathable elastic film to a nonwoven facing material. The facing material can be inherently machine direction and cross direction stretchable, or can be necked to impart cross direction stretchability, and can be creped or crimped to impart machine direction stretchability. Alternatively, machine direction stretchability of the laminate can be achieved by bonding the elastic film in a pre-stretched condition to the facing material. The breathable laminate is particularly useful as an outer cover for diapers and other personal care products.

Abstract: A nonwoven fabric comprises continuous polymer filaments of 0.5 to 3 denier that have been hydroentangled in a complex matrix for interconnecting filament loops, and that is otherwise substantially free of knotting, or of otherwise wrapping about one another. A process for making a nonwoven fabric comprises continuously extruding polymer filaments of 0.5 to 3 denier onto a moving support, pre-entangling the filaments with water jets, and entangling the filaments with a second set of water jets on a three-dimensional image transfer device. An apparatus for making a nonwoven fabric comprises means for continuously extruding substantially endless polymer filaments of 0.5 to 3 denier onto a moving support to form an unbonded web, a pre-entangling station for entangling the web with a plurality of water jets, and a plurality of water jets for final entanglement of the filament web on a three-dimensional image transfer device.

Abstract: A laminated sheet which contains a cross-linking foam material, and radiates far infrared so that it has heat-insulating and heat-retentive properties. The laminated sheet (1) has a three-layered structure including polyethylene foam (2) having a sheet shape that is one example of a cross-linking foam material in which a substance that radiates far infrared rays is mixed, non-woven fabric (3) having a sheet shape formed on a lower face thereof and a polyester film (4) formed on an upper face thereof. Since the laminated sheet of the present invention is allowed to radiate far infrared rays, it can greatly shorten the snow-melting time, etc., because of its heat reflection effects in comparison with a sheet made of a single material of non-woven fabric, and it also makes it possible to greatly improve heat-insulating and heat-retentive effects, and also to provide medical effects.

Abstract: A neckable nonwoven web is provided with a central region and two edge regions, the central region being selectively easier to neck than the two edge regions. The nonwoven fibers in the central region have a polymer composition and/or physical properties which differ from the nonwoven fibers in the two edge regions. The selectively easier necking in the central region causes the central region to neck to about the same extent as the two edge regions, which otherwise would experience greater necking than the central region if the starting nonwoven web were completely uniform. Necked nonwoven webs and neck-bonded laminates made using the improved neckable nonwoven web, are also provided.

Abstract: A porous polymeric sheet is provided having an electrostatic charge and comprising a zero-three composite of a polymeric matrix and a ferroelectric material dispersed therein. The polymeric component comprises a non-polar thermoplastic polymer, such as a polyolefin, and a second thermoplastic polymer having polar functional units, such as a telomer. The composite material is formed into a porous sheet and is electrically or corona poled to create an electret material which is well suited four use in various filtration, air-masking and dust wipe applications.

Abstract: A thermally stable, non-woven, fibrous paper comprising at least one polymer represented by structural formula I: wherein R1-6 are the same or different and comprise H, a hydroxyl group, a straight or branched alkyl, cycloalkyl, polycycloalkyl, heterocycloalkyl, alkaryl, alkoxy, aryl, aralkyl, alkenyl, or alkynyl group containing approximately 1 to approximately 50 carbon atom(s), carbonyls, esters, carbonates, amides, ketenes, epoxides, a silyl or siloxyl group containing approximately 1 to approximately 50 silicon atom(s), and combinations thereof; wherein X1-4 are the same or different and comprise N, O, S, or Se; and wherein n is an integer ranging in value from 1 to approximately 10,000.

Abstract: A method is provided for producing fine denier multicomponent thermoplastic polymer filaments incorporating high melt-flow rate polymers. Multicomponent filaments are extruded such that the high melt-flow rate polymer component is substantially surrounded by one or more low melt-flow rate polymer components. The extruded multicomponent filament is then melt-attenuated with a significant drawing force to reduce the filament diameter and form continuous, fine denier filaments.

Abstract: A multi-layer sheet material for use as a portion of a tear away fastening system. The sheet material includes a substrate layer and loop forming yarns extending through the substrate layer such that the loop forming yarns define an arrangement of loop elements projecting away from one side of the substrate layer. The loop elements are interconnected by portions of the yarns disposed across the other side of the substrate layer. A backing layer is disposed in overlying relation to the substrate layer to hold the loop forming yarns in place.

Abstract: A protective layer embodying the principles of the present invention is configured for protection of automotive surfaces, including specifically, the protection of a truck-bed against wear induced by a truck-bed liner. The protective layer has a substantially planar configuration sized to permit the layer to be positioned generally between an associated truck-bed liner and a truck-bed, whereby the abrasion is significantly reduced. The layer comprises a fibrous nonwoven fabric formed from fibrous and/or filamentary elements, with the fibrous nonwoven fabric exhibiting a sufficiently reduced coefficient of friction and sufficient durability to absorb or distribute abrasive actions, while allowing passage of moisture, thus protecting the automotive surfaces against potentially detrimental environmental conditions.

Abstract: A patterned pile fabric of stitch-bonded construction. The fabric includes a substrate layer with an arrangement of ground yarns extending in stitched relation through the substrate layer so as to define a ground covering across the substrate layer. An arrangement of pile forming yarns extend in stitched relation through the substrate layer such that the pile forming yarns define a patterned arrangement of looped elements projecting away from the ground covering in predefined three dimensional patterned arrays disposed across the fabric.