Abstract: A first aspect of the present invention is a constant force compression construct, comprising: (a) a plurality of compressible layers, each compressible layer comprising a plurality of interconnected flexible struts configured as a regular hexagonal lattice of repeating unit cells, with the layers spaced apart from one another, and with the unit cells of each layer aligned with one another; and (b) a plurality of beams interconnecting each of the compressible layers with each respective adjacent compressible layer to form a three-dimensional lattice having an upper portion, a lower portion, and a compressible region therebetween, with the repeating unit cells contained in the compressible region.

Abstract: Flexible, sheet-like substrates having an abrasive surface, which are obtainable by applying an aqueous solution or dispersion of at least one precondensate of a heat-curable resin to the top and/or bottom of a flexible, sheet-like substrate in an amount of at least 5 to 90% by weight, based on the uncoated, dry substrate, crosslinking the precondensate and drying the treated substrate.

Abstract: A nonwoven fabric facilitating permeation of loose passage. A nonwoven fabric is formed of short fibers of thermoplastic synthetic resin fused together. The nonwoven fabric is formed on a top side thereof with ridges and troughs undulating in a width direction and extending in parallel to one another in a length direction. When the nonwoven fabric is placed on a horizontal plane with the back side put in contact with the horizontal plate, highly void regions are formed between the back side and the horizontal plane. In the vicinity of apices of the respective ridges, the short fibers slope down so as to extend in a thickness direction of the nonwoven fabric.

Abstract: Permeable composite fibrous catalytic sheets comprised of at least three distinct solid phases. A first solid phase is a 3-dimensional porous network of a non-conductive porous ceramic material. A second solid phase is an electrically conductive phase comprised of randomly oriented electrically conductive fibers. A third phase is comprised of catalytic particles dispersed on said 3-dimensional porous network, said conductive fibers, or both. A fourth phase can be present, which fourth phase is comprised one or more conductive species or one or more non conductive species embedded in said first solid phase.

Abstract: A system for providing improved flexible-composite materials, equipment, and manufacturing processes including improved flexible composite materials that include scrim reinforcements.

Abstract: Systems and methods for a protective casing are provided. In at least one embodiment, a protective casing includes a flexible insulation layer configured to inhibit thermal energy from conducting from an external side of the flexible insulation layer to an internal side of the flexible insulation layer. The protective casing also includes a microlattice layer abutting the internal side of the flexible insulation layer, the microlattice layer configured to distribute thermal energy that passes through the flexible insulation layer substantially throughout the microlattice layer. Further, the protective casing includes a heat absorbing material that impregnates the microlattice layer, the heat absorbing material configured to absorb the thermal energy in the microlattice layer.

Abstract: A method for forming an industrial textile product by spiral winding an array of machine direction (MD) yarns to form a system having a defined width, and then connecting the MD yarns in the cross machine (CD) direction with resin. This method is a replacement for conventional weaving or knitting of substrates which can be used as forming, press or dryer fabrics in papermaking, and other industrial applications. Devices for forming the product are also described.

Abstract: Absorbable polyester fibers, braids, and surgical meshes with prolonged strength retention have been developed. These devices are preferably derived from biocompatible copolymers or homopolymers of 4-hydroxybutyrate. These devices provide a wider range of in vivo strength retention properties than are currently available, and could offer additional benefits such as anti-adhesion properties, reduced risks of infection or other post-operative problems resulting from absorption and eventual elimination of the device, and competitive cost. The devices may also be particularly suitable for use in pediatric populations where their absorption should not hinder growth, and provide in all patient populations wound healing with long-term mechanical stability. The devices may additionally be combined with autologous, allogenic and/or xenogenic tissues to provide implants with improved mechanical, biological and handling properties.

Abstract: Method and extrusion die (1030) for producing a three-dimensional polymeric strand netting, wherein a plurality of the polymeric strands (1070a, 1070b, 1070c) are periodically joined together in a regular pattern at bond regions throughout the array, wherein a majority of the polymeric strands (1070a, 1070b, 1070c) are periodically bonded to at least two (three, four, five, six, or more) adjacent polymeric strands, and wherein no polymeric strands are continuously bonded to a polymeric strand. Three-dimensional polymeric strand netting described herein have a variety of uses, including wound care, tapes, filtration, absorbent articles, pest control articles, geotextile applications, water/vapor management in clothing, reinforcement for nonwoven articles, self bulking articles, floor coverings, grip supports, athletic articles, and pattern coated adhesives.

Abstract: An open mesh material includes filaments (1, 2, 3, 4, 11, 12, 15, 16) that intersect one another. At least some of the filaments are composite filaments having a carrier portion of a relatively high melting point and a bonding portion of a relatively low melting point, the bonding portion of each composite filament being thermally bonded to other filaments at points of intersection. The material may be a non-woven fabric that contains at least two layers of weft filaments (1, 2, 11, 12) that may be bordered on one or both sides by a layer of warp filaments (3,4, 15, 16). When compared to other open mesh materials, the open mesh material disclosed herein has a superior combination of some or all of high strength, light weight, high dimensional stability, and openness. Also disclosed herein are articles can be made at least in part from the material including L-seam bags (20), form fill and seal (FFS) bags (1020), and multi-substrate bags (2,020). Methods of making those bags also are disclosed.

Abstract: A pipe or tube article comprising an innermost layer made from a grafted polyolefin composition is disclosed which can provide long lifetime, highly abrasion-resistant pipes for mining and other transportation uses. Methods for preparing the article and transporting abrasive materials through the article are also described.

Abstract: A pipe- or tube-shaped article comprising an innermost layer made from a grafted polyolefin composition is disclosed which can provide long lifetime, highly abrasion-resistant pipes for mining and other transportation uses. Methods for preparing the article and transporting abrasive materials through the article are also described.

Abstract: A material for use as a wound dressing, the material being in the form of a roll and comprising gel forming fibers and the material having lines of longitudinal stitching.

Abstract: Microporous materials including a melt-processable, semi-crystalline, thermoplastic (co)polymer, wherein the thermoplastic (co)polymer is miscible in a compatible liquid when heated above a melting temperature of the semi-crystalline thermoplastic (co)polymer, further wherein the microporous material is comprised of a plurality of filaments substantially aligned in a first longitudinal direction, and a mesh extending laterally between the filaments, the mesh comprising a network of interconnected pores having a median diameter less than one micrometer. Methods of making and using such microporous materials (e.g. as films, membranes, battery separators, capacitor separators, fluid filtration articles, separation articles, and the like) are also described.

Abstract: Novel fibrous structures that contain filaments, and optionally, solid additives, such as fibers, for example wood pulp fibers, sanitary tissue products comprising such fibrous structures, and methods for making such fibrous structures and/or sanitary tissue products are provided.

Abstract: A duct insulation laminate an insulation layer and a facing. The insulation layer includes an insulation layer having a first edge surface, a second edge surface that is spaced apart from the first edge surface, a first face surface that extends from the first edge surface to the second edge surface, and a second face surface that is opposed to and spaced apart from the first face surface. The second face surface extends from the first edge surface to the second edge surface. The facing is attached to the first face surface, and includes a polyester blended non-woven veil defining an outermost exterior surface of the duct insulation laminate.

Abstract: A polymeric mesh is disclosed. The polymeric mesh comprises an absorbable polymeric fiber and a non-absorbable polymeric fiber knitted together to form an interdependent, co-knit mesh structure. Also disclosed are methods for making the polymeric mesh and methods for using the polymeric mesh.

Abstract: A reflective netting material suitable for providing over and/or adjacent the plant as bird netting, insect netting, shadecloth netting, windbreak netting, or hail protection netting, is knitted, woven, or non-woven, from a synthetic monofilament, yarn, or tape or combination thereof formed from a resin comprising at least one white pigment such that the monofilament, yarn, or tape reflects at least 30% solar radiation on average across the UV (wavelength about 280-400 nm), visible (wavelength about 400-700 nm) and very near infrared (wavelength about 700-800 nm) ranges, and which transmits at least 10% or 5% on average of solar radiation across the wavelength range about 800-2500 nm.

Abstract: A patterned framework for a papermaking belt is disclosed. The patterned framework has a continuous network region having a pattern formed comprising a plurality of tessellating unit cells and a plurality of discrete regions isolated from one another by the continuous network region. Each cell has a center and at least two continuous land areas extending in at least two directions from the center. At least one of the continuous land areas at least bifurcates to form a continuous land area portion having a first width before the bifurcation and at least two continuous land area portions having a second width after the bifurcation in continuous communication with the continuous land area portion. Removing and drying the embryonic web of paper fibers disposed upon the patterned framework provides a paper product having a residual water value, RW, of less than 0.12 g.

Abstract: An insert for masonry walls comprising a first layer of a high loft material and a second layer of an entangled net material, where the first layer includes dimensions of a first length, a first width, and a first thickness, where the second layer includes dimensions of a second length, a second width, and a second thickness, where the first thickness is less than the first length and first width, where the second thickness is less than the second length and the second width, and where the first thickness is not greater than the second thickness.

Abstract: An apparatus for manufacturing a wound dressing is provided. The apparatus includes a base, a slot, a tension compensator and a take-up device. The slot has two ends and is disposed on the base. The tension compensator is slidably connected to the slot and operable to connect to at least one fiber. The take-up device includes a shaft and a board. The shaft rotates upon being driven, in which the shaft is aligned with a level between the two ends of the slot. The board is secured on the shaft for winding the fiber connected to the tension compensator.

Abstract: The present invention relates to a process for preparing a composition comprising (A) at least one lactam, (B) at least one catalyst, (C) an activator from the group consisting of isocyanates, acid anhydrides, acyl halides, reaction products thereof with (A) and mixtures thereof, (D) at least one polyethyleneimine. The invention likewise relates to a composition comprising (i) 0.01 to 10 wt %, based on the sum total of components (A) and (D), of at least one polyethyleneimine, and (ii) 90 to 99.99 wt %, based on the sum total of components (A) and (D), of at least one lactam (A) and/or polyamide obtainable from (A).

Abstract: The present disclosure is directed toward a papermaking belt having a patterned framework having a continuous network region and a plurality of discrete deflection conduits isolated from one another by the continuous network region. The continuous network region has a pattern formed therein by a plurality of tessellating unit cells. Each cell has a center and at least two continuous land areas extending in at least two directions from the center. At least one of the continuous land areas at least bifurcates to form a continuous land area portion having a first width before bifurcation and at least two continuous land area portions having a second width after bifurcation where the at least two continuous land area portions are disposed at an angle ranging from about 1 degree to about 180 degrees relative to each other.

Abstract: Permeable composite fibrous catalytic sheets comprised of at least three distinct solid phases. A first solid phase is an electrically conductive phase comprised of randomly oriented electrically conductive carbon fibers. A second solid phase is a 3-dimensional porous network of a non-conductive porous ceramic material. A third phase is comprised of catalytic particles dispersed on said 3-dimensional porous network.

Abstract: The present disclosure is directed toward a papermaking belt having an embryonic-web-contacting surface for carrying an embryonic web of paper fibers and a non-embryonic-web-contacting surface opposite the embryonic-web-contacting surface. The papermaking belt has a patterned framework having a continuous network region and a plurality of discrete deflection conduits isolated from one another by the continuous network region. The continuous network region has a pattern formed therein by a plurality of tessellating unit cells. Each cell has a center and at least two continuous land areas extending in at least two directions from the center. At least one of the continuous land areas at least bifurcates to form a continuous land area portion having a first width before the bifurcation and at least two continuous land area portions having a second width after the bifurcation.

Abstract: A garment includes a breathable composite fabric between outer and inner fabric layers. The breathable composite fabric comprises two nanofiber web layers and a porous fluid drainage layer disposed therebetween.

Abstract: A reflective netting material suitable for providing over and/or adjacent the plant as bird netting, insect netting, shadecloth netting, windbreak netting, or hail protection netting, is knitted, woven, or non-woven, from a synthetic monofilament, yarn, or tape or combination thereof formed from a resin comprising at least one white pigment such that the monofilament, yarn, or tape reflects at least 30% solar radiation on average across the UV (wavelength about 280-400 nm), visible (wavelength about 400-700 nm) and very near infrared (wavelength about 700-800 nm) ranges, and which transmits at least 10% or 5% on average of solar radiation across the wavelength range about 800-2500 nm.

Abstract: A method of forming a mesh by a moulding a link element around other link elements to form a mesh in which the interlinking link elements are formed as continuous unjoined loops by a moulding process. An apparatus for forming a mesh including a plurality of first cavities for accommodating first link elements and a plurality of second cavities for forming interlinking link elements. The method and apparatus allow the continuous production of mesh formed of a range of materials including plastics materials.

Abstract: Absorbable polyester fibers, braids, and surgical meshes with prolonged strength retention have been developed. These devices are preferably derived from biocompatible copolymers or homopolymers of 4-hydroxybutyrate. These devices provide a wider range of in vivo strength retention properties than are currently available, and could offer additional benefits such as anti-adhesion properties, reduced risks of infection or other post-operative problems resulting from absorption and eventual elimination of the device, and competitive cost. The devices may also be particularly suitable for use in pediatric populations where their absorption should not hinder growth, and provide in all patient populations wound healing with long-term mechanical stability. The devices may additionally be combined with autologous, allogenic and/or xenogenic tissues to provide implants with improved mechanical, biological and handling properties.

Abstract: A wound dressing and a method for enhancing the clotting comprising a plurality of hydrophilic microfibers bonded to each other to form a mat with the plurality of microfibers having a pore size sufficiently small to inhibit wicking platelets from a wound into the microfibers so that when applied to a wound the blood coagulates and the microfibers remain external to the wound.

Abstract: A composite material includes a layer of fibres conjoined to a matrix, wherein one of the matrix and fibres has a first component which exhibits auxetic behaviour for loading along a first direction, and the other of the matrix and fibres has a second component which exhibits non-auxetic behaviour for loading along the first direction.

Abstract: The web of the invention can comprise a super absorbent layer that can act as an moisture sensitive fuel shut-off valve, absorbent, adsorbent or reactant. The web of the invention can comprise a super absorbent fabric or layer made of a superabsorbent particle or fiber. The web can comprise a nanofiber layer having dispersed within the nanofiber layer a super absorbent particulate and optionally a second particulate material that can act as an absorbent, adsorbent or reactant. Fluid, gas or liquid, that flows through or by the assemblies of the invention can have any gas, liquid or solid material dispersed or dissolved in the fluid interact with the super absorbent particulate. If needed these materials can also react with, be absorbed by, or adsorbed onto, the active particulate within the nanofiber layer.

Abstract: A multilayer composite sheet for use in a lead-acid battery includes a) a base layer including paper or a glass fiber mat; b) a layer of polymeric nanofibers bonded with discrete adhesive particles to a first surface of the base layer; and c) a scrim layer bonded with discrete adhesive particles to a surface of the layer of nanofibers opposite the base layer. A plate assembly for a lead-acid battery includes one or more multilayer composite sheets located adjacent or partially enclosing a lead plate.

Abstract: A laminated construction having a first layer having a plurality of criss-crossing foamed filaments adhered to each other and defining a net, an impermeable layer laminated to the first layer along two opposite longitudinal edges to form a sleeve, and a perforated pipe extending within the sleeve. In another embodiment, a porous membrane surrounds the layer having a plurality of criss-crossing foamed filaments adhered to each other. In another embodiment, the laminated construction forms a pipe having a first layer having a plurality of criss-crossing foamed filaments adhered to each other and defining a net, an impermeable layer laminated to the first layer along two opposite longitudinal edges to form a sleeve, and a plurality of loose fill elements are within the sleeve for passage of fluid therethrough.

Abstract: In one aspect the present invention provides medical devices 10 that each include a plurality of fibers 22, substantially all of the plurality of fibers 22 each including a portion having a maximum diameter of at least five micrometers, wherein substantially all of fibers 22 form a layer on at least one external surface of medical device 10. In another aspect, the present invention provides methods of manufacturing medical devices 10, the methods including the steps of: (a) applying a layer comprising a plurality of fibers 22 to at least one surface of medical device 10; and (b) matching the value of the Young's modulus of the layer to +/?35% (in some embodiments to +/?20%) of the value of the Young's modulus of an animal tissue.

Abstract: A composite material comprises a layer of fibres conjoined to a matrix, where one of the matrix and fibres comprises a first component which exhibits auxetic behaviour for loading along a first direction, and the other of the matrix and fibres comprises a second component which exhibits non-auxetic behaviour for loading along the first direction.

Abstract: A reinforced mat (10) for a pollution control device has a first major surface (12), a second major surface (14) and a thickness, and the mat comprises ceramic fibers and a reinforcing mesh (22) disposed between the first major surface and the second major surface such that the mat is generally separated into two layers (16,18) by the mesh. The mesh comprises non-metallic fibers that are spaced-apart so as to define a space therebetween that is large enough that the layers of the mat are integrally joined together through the mesh. The mat has a total organic component weight that is up to about 5% of the total weight of the mat, and the mat is dimensioned for use, either as a mounting mat for mounting a pollution control element or as an insulator for insulating a region within a pollution control device in an exhaust system of an internal combustion engine.

Abstract: A composite laminate includes a plurality of sheets of prepreg stacked one over another, and a scrim layer provided on an exterior surface of the sheets of prepreg. Each prepreg sheet is formed of fibers preimpregnated with resin. The scrim layer and the sheets of prepreg form a composite laminate whereby the scrim layer constitutes an outer, exposed surface of the composite laminate. The scrim layer may be a nonwoven carbon or glass fiber scrim that has absorbed resin from the sheets of prepreg. A method of making a composite laminate includes placing into a mold a scrim and a plurality of sheets of prepreg, with the scrim extending between an exterior surface of the sheets of prepreg and an inner surface of the mold; forming a composite laminate whereby the scrim is adhered to the sheets of prepreg; and removing the composite laminate from the mold. An outer layer of the composite laminate includes the scrim.

Abstract: A roofing underlayment comprises a reinforcing layer, which is extrusion coated on at least one side with an anti-slip coating layer. Preferably, the reinforcing layer comprises a woven polyethylene or polypropylene scrim. The anti-slip coating layer comprises a compound based on a styrene and ethylene/butylene-styrene, S-E/B-S, block copolymer, such as the compound sold under the trademark KRATON® MD6649. The anti-slip coating layer is low in cost and helps prevent water from penetrating the primary roofing material. In addition, the anti-slip coating layer provides an improved anti-skid surface upon which an individual may safely walk.

Abstract: Breathable materials comprise a low-elongation fabric layer and a microporous coating thereon. The microporous coating comprises a crystalline polymer composition and a filler. The materials are suitable for use in various applications including housewrap and other construction embodiments. Methods of making a breathable material comprise extrusion coating a low-elongation fabric layer with a composition comprising a crystalline polymer composition and a filler to form a coating on the low-elongation fabric layer, and incrementally stretching the coated nonwoven layer to render the coating microporous.

Abstract: A fire-blocking paper (22, 52) is adapted for incorporation into a fire-barrier film laminate (16, 46) for use in thermal and acoustical insulation systems (10, 40), such as, but not limited to, those used in commercial aircraft. The fire-blocking inorganic fiber paper (22, 52) can be laminated to a flame resistant film (24a, 24b, 54a, 54b). The fire-blocking paper (22, 52) may include inorganic bio-soluble fiber, chopped glass non-respirable fibers, organic reinforcing fibers, organic binder, and inorganic binder or filler; and, optionally or refractory ceramic fibers.

Abstract: A fabric comprises first and second webs of gel-forming fiber needled to the first and second sides respectively of a textile fiber scrim. Such fabrics find application as wound dressings, in particular for packing cavity wounds.

Abstract: A roofing underlayment comprises a reinforcing layer, which is extrusion coated on at least one side with an anti-slip coating layer. The reinforcing layer comprises a woven polyethylene or polypropylene scrim. The anti-slip coating layer comprises a compound based on a styrene and ethylene/butylene-styrene, S-E/B-S, block copolymer, such as the compound sold under the trademark KRATON® MD6649. The anti-slip coating layer may also be embossed. The anti-slip coating layer is low in cost and helps prevent water from penetrating the primary roofing material. In addition, the anti-slip coating layer provides an improved anti-skid surface upon which an individual may safely walk. Embossment improves the wet slip resistance of the roofing underlayment.

Abstract: A fabric for chemical protective garments having at least two multilayered film laminates separated by a scrim forming a barrier chamber. The laminates are sandwiched between films of linear low density polyethylene and contain a different film from each other selected from ethyl vinyl alcohol, polyethylene terephthalate and polyamide. There is also the garment prepared with the fabric.

Abstract: A corrosion-resistant lath is provided for use in exterior finishing systems, such as stucco systems and exterior insulation and finish systems (“EIFS”). The lath includes in a first embodiment an open, woven fabric comprising weft and warp yarns containing non-metallic fibers, such as glass fibers. A portion of the weft yarns are undulated, resulting in an increased thickness for the fabric. The fabric is coated with a polymeric resin for substantially binding the weft yarns in the undulated condition. This invention also includes methods for making an exterior finish system and building wall including an exterior finish system using such a lath.

Abstract: By the extrusion method, (position 1) polyethylene yarns are produced (position 2). These yarns are cooled in a cold water container (position 3). Following that and after having been pre-stretched (position 4), the yarns come into a heating oven (position 5), where they are drawn by shafts (position 6). The monofilament that has been created by the method is then coiled in bobbins (position 8) through an appropriate coiling system (position 9). Following that, the monofilament bobbins are placed on the Raschel knitting machine and are knitted together with polyethylene yarns in latticed fabric. The final product shall be a net utilized for the palletization of various materials. This net has high elasticity, extensibility and breaking resistance.

Abstract: An adhesive grip liner is provided which comprises a composite sheet material, an adhesive, and a release liner. The composite sheet material comprises a scrim embedded in a foamed resin. The adhesive contacts a bottom surface of the composite sheet and the release liner contacts the adhesive. The top surface has non-skid and non-adhesive properties. The adhesive grip liner is useful for lining horizontal surfaces, such as a shelf, and vertical surfaces, such as a rail cushion.

Abstract: The invention relates to a soft and flexible surgical soft tissue mesh comprising polyethylene yarns, wherein the polyethylene yarns have a tensile strength of more than 1.0 Gpa and consist of a polyethylene with a relative viscosity of more than 5 dl/g. A further aspect of the invention is a method of producing a soft and flexible surgical soft tissue mesh comprising polyethylene yarns, wherein yarns are applied that comprise filaments made by: a) spinning at least one filament from a solution of polyethylene with a relative viscosity of more than 5 dl/g in a solvent; b) cooling the filament obtained to form a gel filament; c) removing at least partly the solvent from the gel filament; and d) drawing the filament in at least one drawing step before, during or after removing solvent.

Abstract: A garment includes a breathable composite fabric between outer and inner fabric layers. The breathable composite fabric comprises two nanofiber web layers and a porous fluid drainage layer disposed therebetween.

Abstract: A sheet product is provided which comprises a scrim embedded in a continuous layer of a foamed resin. The sheet material is useful as a drawer liner or a shelf liner and is fabricated without need for lamination of separate layers to a scrim material.