Abstract: The present invention provides process for producing a ballistic-resistant molded article, which molded article comprises: i) a plurality of layers of unidirectionally aligned polyolefin fibers, which layers are substantially absent a bonding matrix; and ii) a plurality of layers of adhesive, and which process comprises: a) providing a plurality of precursor sheets, each of said precursor sheets comprising i) at least one layer of unidirectionally aligned polyolefin fibers which layer is substantially absent a bonding matrix, and ii) at least one layer of adhesive; b) stacking said precursor sheets to form a stack, wherein the total amount of adhesive in the stack is from 5.0 to 12.0 wt. % based on the total weight of the stack; c) pressing the stack produced in step b) at a temperature of from 1 to 30° C. below the melting point of the polyolefin fibers and at a pressure of at least 8 MPa; and d) cooling the pressed stack produced in step c) to at least 50° C.

Abstract: A self-windable, transversely tearable textile industrial adhesive tape (1) having a tape-shaped substrate (2) which has a thickness (D2) in the range of 0.05 mm to 1.8 mm, consisting of a knitted fabric (3) having stitches (5) made of yarn (4), and which is provided on one side with a pressure-sensitive adhesive coating (6) which is applied directly to the substrate (2) with a specific weight per unit area in the range of 20 g/m2 to 300 g/m2. In order to obtain improved manufacturability as well as improved functional characteristics, in particular an improved dimensional stability during the process, while preserving the advantages of using a substrate (2), it is proposed that the substrate (2) includes weft threads (7) running mutually parallel in the transverse direction, which weft threads (7) are held in the stitches (5) of the knitted fabric (3).

Abstract: The invention relates to a composition for the protection of a shaped article against corrosion, said composition comprising (a) a polyisobutene having a glass transition temperature of less than ?20° C. and surface tension of less than 40 mM/m at a temperature above the glass transition temperature of said polyisobutene, (b) a filler material and (c) an anti-oxidant composition. The anti-oxidant composition comprises a primary and/or a secondary anti-oxidant, the primary anti-oxidant being selected from the group consisting of sterically hindered phenol compounds. The invention further relates to a wrapping tape comprising said composition for the protection of a shaped article, a process for the manufacture of said wrapping tape and a process for covering a shaped article with said wrapping tape.

Abstract: Embodiments of the present invention generally relate to a reinforced film for blast resistance protection and methods thereof. More specifically, embodiments of the present invention relate to a reinforced film comprising an elastomeric polymer laminate, and a scrim layer at least partially embedded in the elastomeric polymer laminate layer, wherein the reinforced film comprises a puncture resistance of at least five thousand pounds per square inch.

Abstract: An industrial packaging material comprises a woven scrim of stretchable thermoplastic tapes bonded to a stretchable non-woven water-impermeable layer. The scrim and the non-woven layer are made from a blend comprising a polyolefin and an elastomer. The thermoplastic tapes of the scrim have a degree of elongation before breaking in the range of 20% to 500%.

Abstract: A multi-layered sheet material for wrapping metal goods to protect them from corrosion during storage has a water impermeable and water vapor-impermeable outer layer comprising a coated woven scrim and a water-impermeable and water vapor permeable inner layer comprising a micro-perforated film. The inner layer incorporates corrosion inhibitors. The outer and inner layers are bonded along their longitudinal edges leaving a space between the layers into which water vapor can migrate away from the wrapped metal product.

Abstract: A composite configured to release refrigerant therefrom comprises a substrate material comprising polarized fibers of glass, polyamide, phenylene sulfide, carbon or graphite having bonded thereon a metal compound comprising a complex compound of a polar gaseous refrigerant and a metal salt and/or a hydrated metal hydroxide and/or a metal hydroxide of a metal selected from the group consisting of alkali metal, alkaline earth metal, transition metal, zinc, cadmium, tin, aluminum, or two or more thereof, at a concentration of at least about 0.3 grams/cc of open substrate material volume, and a coating composition thereon configured to prevent release of internal gaseous refrigerant therethrough at ambient temperatures and pressure and capable of penetration of gaseous refrigerant therethrough from the composite interior at temperatures causing internal gas pressures of 15% or more above exterior pressure for such refrigerant release.

Abstract: A lining system for lining a surface generates a fluid impervious lining and an interstitial space between said lining and said surface. The system includes a layer comprising a flexible material having an adhesive coating on each side thereof, a second layer of flexible material, and a spacing means to generate a gap between the first and second layers, the gap constituting the interstitial space, and a coating, the coating comprising a curable material which cures to form a hard fluid impervious coating.

Abstract: A window membrane is permeable to electromagnetic radiation, especially soft X-rays. It comprises a film (201) and a metallic reinforcement mesh (202) attached to the film (201). A preferable way of attaching the metallic reinforcement mesh (202) to the film is to use a positive-working photosensitive glue (204) and allow the reinforcement mesh (202) to act as the exposure mask.

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: An impact resistant roofing shingle which includes an asphalt coated substrate whose unexposed surface is laminated to an organic film. A process of forming that shingle includes the step of applying an organic film, by spraying a latex, by applying a rubber polymer modified asphalt, by compressing a plastic film having a higher melting or decomposition temperature than the melting point of the asphalt coating or by applying an adhesive to which a plastic film is applied to the unexposed surface of the asphalt coated substrate.

Abstract: A net-reinforced film structure includes a film layer and a netting attached to the film layer having a pattern of netting strands. The netting strands are sealed to an opposing film structure, which may be either a similar net-reinforced film or a standard sheet of film, along a linear seal area. The netting strands in the non-sealed areas of the net-reinforced film structure are free from attachment to the opposing film structure. The netting strands along the linear seal area have a wider cross-section than the netting strands at the non-sealed areas, and this wider cross-section facilitates the sealing process.

Abstract: A decorative, lightweight panel structure that is adaptable for use as interior ceiling panels, interior wall panels, and exterior sheathing or siding, which exhibits excellent rigidity, and which can be made to exhibit a combination of good sound attenuation property, excellent aesthetic appearance, uniformity of aesthetic quality, outstanding weatherability, and/or low manufacturing cost, includes a non-woven fibrous batt comprised of thermoplastic fibers, a scrim layer bonded to each of two opposite sides of the non-woven fibrous batt, and a decorative film layer having a surface indicia on an exterior side and an opposite interior side bonded to one of the scrim layers.

Abstract: A failure resistant, flame retardant vapor barrier facing for insulation is disclosed. The facing is comprised of a coating and a backing. The coating comprises a pair of coextruded composites each composite comprised of FR material, UV blocking material, pigment material and a polyolefin (e.g., LDPE). The backing is a woven substrate woven from flame retardant polyolefin (e.g., HDPE) tapes. The woven substrate is laminated to building insulation using an adhesive. The woven substrate lends strength, flexibility and form to the facing.

Abstract: The present invention is directed to a scrim comprised of a plurality of warp and weft tapes, and more specifically to a woven scrim comprised of warp tapes and weft tapes, wherein the warp tapes are positioned in first and second planes to increase the warp coverage by at least 150% such that the resulting scrim material is impervious to light and further deters bunching of the warp tapes.

Abstract: Breathable materials comprise a fabric layer and a polymer film layer thereon, the polymer film layer comprising a polymer composition and a filler, wherein the breathable material has undergone a physical manipulation to render the polymer film layer microporous such that the WVTR of the breathable material is greater than about 50 g/m2·24 hr, and wherein the breathable material has a first length dimension and a first width dimension before said physical manipulation and a second length dimension and a second width dimension after said physical manipulation, wherein the second length dimension is no more than about 2% greater than the first length dimension and the second width dimension is no more than about 2% greater than the first width dimension.

Abstract: A multi-layer woven scrim, having two or more layers made of thermoplastic tapes, has its layers attached together by means of layer-connecting tapes interwoven with mutually perpendicular tapes of adjacent layers. The points of attachment may be at spaced intervals and in the machine or cross-machine directions. The scrim is flexible, dimensionally stable and has high tensile and tear strength. It can be coated and used as an industrial fabric.

Abstract: A device for forming erasable images on a reusable medium, comprising: an erasing portion; and a writing portion; wherein the erasing portion comprises a separator for separating at least two layers of the reusable medium; and wherein the writing portion comprises automatic machine-driven pressure applicators for applying pressure but no ink to the reusable medium, thereby forming an image on the reusable medium.

Abstract: A reinforced membrane, particularly well suited for use as a membrane in a single ply roofing membrane system, includes first and second thermoplastic olefin (“TPO”) sheets and a polypropylene reinforcing mesh or scrim intermediate the first and second thermoplastic olefin sheets and bonded to the first and second thermoplastic olefin sheets.

Abstract: A roofing membrane includes a substrate sheet formed of a thermoplastic vulcanizate (TPV) and a film layer of thermoplastic polyolefin (TPO) adhered to at least one surface of the substrate sheet. The TPV preferably includes a copolymer of ethylene and a carbonyl containing monomer dynamically vulcanized in a polyolefin thermoplastic, preferably metallocene-catalyzed polyethylene. A scrim reinforcement layer is optionally embedded in the TPV layer. When installed on a roof substrate, the membrane can be sealed by heat welding the seams of the membrane sheets.

Abstract: An antimicrobial composite which comprises a first, liquid-permeable layer and a second layer arranged on the first layer. An antimicrobial metal in elemental form is present between the first and second layers and substantially no antimicrobial metal in elemental form is present on exterior surfaces of the composite. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.

Abstract: A polymer film comprises a composition having either a polyolefin or a polyamide as a major component. The film has an Elmendorf tear value parameter of about 200 g/mil or less, a thickness greater than about 0.5 mils. The film has a melt flow index between at least about 2 g/10 min. and less than about 17 g/10 min. and further includes a filler to achieve the 200 g/mil tear value parameter. Alternatively, the film has a melt flow index of at least about 17 g/10 min and need not include a filler. The film is substantially unstretched in the transverse direction. The film may be charged. A method of producing a film is also disclosed.

Abstract: The invention is a tear-resistant container or bag made with a multilayer film comprising a composite structure of relatively inexpensive polymers and paper. The multilayer composite structure generally consists of an oriented polymer film layer adhered to a reinforcing scrim layer via a thermal bonding layer, to form a backing structure, and at least one paper layer adhered to the backing structure.

Abstract: A reflective insulation system. The reflective insulation system includes a reflective layer such as aluminum, a layer of fiberglass, and a layer of vapor retarding material. A first side of the layer of fiberglass is bonded to the reflective layer by a deposit of hot melt glue. The second side of the layer of fiberglass is bonded to the layer of vapor retarding material by a second deposit of hot melt glue. The vapor retarding layer may be a plastic material, such as polypropylene or a reflective material, such as aluminum.

Abstract: A multi-layer woven scrim, having two or more layers made of thermoplastic tapes, has its layers attached together by means of layer-connecting tapes interwoven with mutually perpendicular tapes of adjacent layers. The points of attachment may be at spaced intervals and in the machine or cross-machine directions. The scrim is flexible, dimensionally stable and has high tensile and tear strength. It can be coated and used as an industrial fabric.

Abstract: A net-reinforced film structure includes a film layer and a netting attached to the film layer having a pattern of netting strands. The netting strands are sealed to an opposing film structure, which may be either a similar net-reinforced film or a standard sheet of film, along a linear seal area. The netting strands in the non-sealed areas of the net-reinforced film structure are free from attachment to the opposing film structure. The netting strands along the linear seal area have a wider cross-section than the netting strands at the non-sealed areas, and this wider cross-section facilitates the sealing process.

Abstract: A paperboard composite for use in packaging applications includes paperboard adhered to a backing structure, providing enhanced wet tear strength. The backing structure includes an oriented polymer film and a reinforcing scrim, bonded together by a thermal bonding layer. In one embodiment of the invention, the parts of the backing structure are of similar chemical composition, thereby facilitating recycling of scraps and other waste.

Abstract: A reinforced membrane, particularly well suited for use as a membrane in a single ply roofing membrane system, includes first and second thermoplastic olefin (“TPO”) sheets and a polypropylene reinforcing mesh or scrim intermediate the first and second thermoplastic olefin sheets and bonded to the first and second thermoplastic olefin sheets.

Abstract: A high strength polymeric composite laminate that has enhanced design features to perform as a roofing underlayment material for use in conjunction with modified bituminous materials such as APP or SBS membranes, as well as shingles, tiles, metal and other roof coverings.

Abstract: A mesh reinforced breathable plastic film combines the vapor permeability of breathable plastic films with the strength characteristics of mesh reinforced films. A plastic mesh layer having a netlike structure reinforces a breathable layer. The mesh reinforced breathable plastic film can be used to securely contain items that require vapor to escape during travel or storage.

Abstract: Disclosed herein is a stabproof and bulletproof panel. The stabproof and bulletproof panel includes a bulletproof panel 40 and a plurality of stabproof panels 60. The bulletproof panel 40 is comprised of a front plate 45, a plurality of high density polyethylene films 44 stacked with one on top of another for dispersing impact energy, and a rear plate 46 formed by sewing together a plurality of aromatic polyamide woven fabrics for minimizing frictional heat and deformation. The front plate 45 consists of a plurality of aromatic polyamide woven fabrics 41, a felt 50 formed by forcibly inserting thin aromatic polyamide fibers or high density polyethylene fibers 52 and a shock-absorbing member 51 into a scrim woven in the form of a net using aromatic polyamide fibers or high density polyethylene yarn, and a plurality of aromatic polyamide woven fabrics 43. The stabproof panels 60 are brought into tight contact with the front surface of the bulletproof panel 40.

Abstract: A roofing membrane includes a substrate sheet formed of a thermoplastic vulcanizate (TPV) and a film layer of thermoplastic polyolefin (TPO) adhered to at least one surface of the substrate sheet. The TPV preferably includes a copolymer of ethylene and a carbonyl containing monomer dynamically vulcanized in a polyolefin thermoplastic, preferably metallocene-catalyzed polyethylene. A scrim reinforcement layer is optionally embedded in the TPV layer. When installed on a roof substrate, the membrane can be sealed by heat welding the seams of the membrane sheets.

Abstract: A net for diffusing light comprising threads of flat yarn, characterized in that the flat yarn has a layer comprising a foamed synthetic resin film capable of diffusing light passing therethrough. Also disclosed is a method for protecting plants from overexposure to sunlight comprising covering the plants with such a net.

Abstract: A single ply reinforced roofing membrane having advantageous tensile and seam strength comprising a reinforcement scrim sandwiched between polyolefin cap and base layers, characterized in that at least one of said layers includes a functional polyolefin as additive therein.

Abstract: A mesh reinforced breathable plastic film combines the vapor permeability of breathable plastic films with the strength characteristics of mesh reinforced films. A plastic mesh layer having a netlike structure reinforces a breathable layer. The mesh reinforced breathable plastic film can be used to securely contain items that require vapor to escape during travel or storage.

Abstract: The present invention provides roofing membrane that increases wind resistance by having at least a two sheets of scrim material (10) that is between an upper layer (12) and a lower layer (14). The upper and lower layers (12 and 14) may be a thermoplastic or other material appropriate for use in a roofing membrane.

Abstract: A translucent sheet is made of a textile net middle layer that is between two cover layers made of translucent films. In the middle layer, areas of the mesh run at an angle to the main direction of stress. In addition, there are stabilizing threads that run in the main direction of stress and are bonded to the knots of the textile net middle layer and give the structure of the middle layer particular strength in the main direction of stress.

Abstract: Plastic deformable material web, more particularly bitumen web for use preferably in roofing applications. The material web comprises a modelling mesh as the backing material and at least one plastic deformable covering material layer such as a bitumen layer connected to the mesh. For joining the mesh (4′) to the covering material layer (2′) a thin foam web (3′) is bonded or thermally laminating to the mesh. The foam prevents detachment of the bitumen layer from the mesh due to cold flow and prevents sagging of the bitumen even at high temperatures (FIG. 2).

Abstract: A net for diffusing light comprising threads of flat yarn, characterized in that the flat yarn has a layer comprising a foamed synthetic resin film capable of diffusing light passing therethrough. Also disclosed is a method for protecting plants from overexposure to sunlight comprising covering the plants with such a net.

Abstract: A translucent sheet is made of a textile net middle layer that is between two cover layers made of translucent films. In the middle layer, areas of the mesh run at an angle to the main direction of stress. In addition, there are stabilizing threads that run in the main direction of stress and are bonded to the knots of the textile net middle layer and give the structure of the middle layer particular strength in the main direction of stress.

Abstract: A filter medium for solid/liquid separation has a sheet of a metallic material or plastic. The sheet has a plurality of openings. The openings are slots having a slot width and are produced by drawing a drawn grid structure and subsequently mechanically plastically reverse-deforming the drawn grid structure.

Abstract: An improved washing implement which exhibits superior softness, while also retaining good resiliency, is made from at least one piece of open cell polymer mesh. To achieve the improved softness and resiliency of the improved washing implement an improved open cell mesh is provided which is softer and sufficiently resilient as a result of its controlled cell structure parameters. In preferred embodiments, the controlled physical parameters of the open cell mesh include basis weight, cell count, node count, node length and node diameter.

Abstract: Disclosed is an improved open cell mesh which exhibits superior softness, while also retaining acceptable resiliency, as a result of controlling cell structure parameters. In preferred embodiments, physically measurable parameters of the open cell mesh, and more particularly the cell structure, are controlled within pre-defined ranges. The controlled physical parameters of the subject open cell mesh include basis weight, cell count, node count, node length, node thickness, and node width. Additionally, there is provided a method of testing the mesh's resistance to an applied load, which is a predictive indicator of softness and resiliency.

Abstract: A gelatinous composite article has a sealant layer, a permeable layer and a heat formable and heat reversible gelatinous elastomer material. The sealant layer melts within a first temperature range. The permeable layer is over the sealant layer and melts at a second temperature greater than the first temperature range. The heat formable and heat reversible gelatinous elastomer material is over the permeable layer and fuses to the sealant layer within the first temperature range. The sealant layer and the gelatinous elastomer material adhere to each other through the permeable layer once the first temperature is attained. Thereby, the permeable layer secures to the gelatinous layer.

Abstract: A method of electroconductive fastening of electroconductive materials in electrochemical devices, where a sheet of metal or a sheet of electrically conductive fibers is to have a second sheet joined thereto which can be of solid sheet metal, and where at least one tape with an adhesive layer thereon is placed on top of one of the sheets, with the adhesive layer facing the sheets, and the assembly is subjected to pressure, and the adhesive layer is activated, causing the sheets to fasten together in electroconductive contact, and wherein a second tape with an adhesive layer facing the sheets may be applied from the other side prior to pressure application.

Abstract: An improved washing implement which exhibits superior softness, while also retaining good resiliency. To achieve the improved softness and resiliency of the improved washing implement an improved open cell mesh is provided which is softer and sufficiently resilient as a result of its controlled cell structure parameters. In preferred embodiments, the controlled physical parameters of the open cell mesh include basis weight, cell count, node count, node length and node diameter. Additionally there is provided a method of testing the mesh's resistance to an applied load, which provides an additional parameter for characterizing the mesh of the present invention.

Abstract: A water resistant and vapour phase corrosion inhibitor composite material for wrapping around metallic items for protection and to reduce corrosion during storage and transportation. The composite material comprises a high strength, tear resistant, flexible scrim, a low density layer impregnated with a solid form vapour phase corrosion inhibitor, and a barrier layer to reduce the transmission of water, water vapour, oxygen and other environmental gases through the composite material. The barrier layer also reduces the atmospheric loss of gaseous vapour phase corrosion inhibitor from around the wrapped item. Each layer is formed from a polyolefin material to create a multi-layered polyolefin composite material that is easily recyclable.

Abstract: A non-halogenated, tri-laminate fabric for automotive security shades or covers, comprising a layer of reinforcing fabric scrim juxtapositioned between at least two layers of a thermoplastic olefin film comprised of a rubber modified polyolefin compound, said layers being thermally bonded together to form a fire retardant, nontoxic tri-laminate fabric. The rubber modified polyolefin is a rubber modified polypropylene or polyethylene homopolymer and copolymer. The rubber is natural or synthetic. The preferred thermoplastic olefin film has characteristic melt peaks at temperatures ranging between about 61.degree. C. and 100.degree. C. and between about 105.degree. C. and 168.degree. C., with melt peaks forming preferably at about 86.degree. C. and 142.degree. C. Acceptable thermal lamination of the layers occurs at temperatures ranging between about 120.degree. C. and 140.degree. C.

Abstract: A decorative and translucent weatherable fabric for covering outdoor backlit structures is provided which includes a reinforcing scrim layer, an inner protective layer formed of a translucent white PVC applied to one side of the scrim layer, and a thicker substrate layer applied to the opposite side of the scrim layer. The substrate is also preferably a substantially translucent white PVC polymer. In one embodiment of the fabric for use with a reader panel of the awning, an outer transparent layer is adhered to the substrate layer and has UV resistant properties. A weatherable pressure sensitive decorative film is applied to certain portions of the transparent layer in a predetermined graphical pattern to create a foreground image. A second pressure sensitive decorative film may be applied to certain other portions to create a background image of a different color.

Abstract: A heat sealable, adhesive-free material for plastic fabrics and clothing comprising the combination of a fabric scrim and a heat sealable coextruded film lamination which provides a barrier against solids, liquid and gases. The coextruded lamination comprises a film composition with an outer and inner layer of linear low density polyethylene and an intermediate layer of a polyamide polymer.