Abstract: A method of forming a sound attenuating material includes heating a densified, rebulkable nonwoven web at a sufficient temperature and for a sufficient time to rebulk the nonwoven web to an open, lofty form; compressing the rebulked nonwoven web to a predetermined thickness; and cooling the compressed nonwoven web at a sufficient temperature and for a sufficient time to cause the compressed nonwoven web to maintain the predetermined thickness. The cooled, compressed nonwoven web may further be formed into a desired shape. One or more additional layers of material may be laminated to the densified, rebulkable nonwoven web substantially simultaneously with the heating step. The nonwoven web may be heated to a temperature above the melt point of at least one component fiber of the nonwoven web and heating may be accomplished by heating one or both sides of the nonwoven web.

Abstract: Implementations of the present invention relate aesthetically pleasing decorative architectural resin panels having a thin or brittle veneer layer, such as thinly sliced natural wood or stone. In particular, at least one implementation includes a flat or curved decorative resin panel made with a natural wood veneer layer whose structural integrity has been maintained despite being subject to various heats and pressures. The resulting resin panel is at least partially translucent, and allows for a unique display both of the resin sheets used to form the panel and of the thin wood materials encapsulated therein. Additional implementations relate to the use of other brittle veneer layers, such as translucent stone, translucent metals, or the like, which also provide unique, decorative architectural, aesthetic features.

Abstract: The invention includes an interlayer film and composition comprising a polymer composition obtainable from (a) at least one low crystallinity propylene polymer, and at least one (b) internal adhesion enhancer, (c) at least one clarity enhancer or (d), more preferably, both (b) and (c). The invention also includes a process of preparing a film comprising (a) supplying at least one first component, a low crystallinity propylene polymer, (b) supplying at least one second component, selected from at least one an internal adhesion enhancer, at least one clarity enhancer or a combination thereof; and, (d) admixing the first and second components and optional additives.

Abstract: A damped composite structure is formed from a matrix material and a plurality of shape memory alloy wire fibers held in the material matrix for damping the structure. The wire fibers may be embedded in a viscoelastic interlayer to increase damping of the structure. The wire fibers may be interspersed with reinforcement such as carbon fibers, in tows or in a mesh of fibers. The wire fibers have an inherent material loss factor greater than approximately 0.10, and may be formed from superelastic metal alloys, such as Ni—Ti, Cu—Zn—Al, Cu—Al—Ni, OR Cu—Al—Be.

Abstract: The method relates to a floor panel (100), more particularly a laminate floor, with resin-impregnated, more particularly paper layers (10, 11, 13), which are pressed together with a carrier board (12). In order to design a floor (100) in such a way that a conductive and transparent layer can be positioned at any point in the sequences of layers of the floor panel (100) in order to achieve an antistatic effect the invention proposes providing at least one layer (10, 11, 13) is provided with conductive and transparent pigments (16).

Abstract: An apparatus for obtaining “shrink sleeve” labels, comprises a carousel that is provided peripherally with a plurality of spindles configured for being wound from portions of plastic film, a sealing device cooperating with said spindles means for sealing opposite edges of said portions for obtaining said “shrink sleeve” labels, said sealing device comprising a laser device; a method for labelling containers, comprises in sequence: advancing a plastic film in an advancing direction; cutting said plastic film transversely to said advancing direction to obtain a portion of plastic film; winding said portion in such a way as to make opposite edges of said portion overlap one another; joining together said edges to obtain a “shrink sleeve” label, said joining comprising sealing by means of a laser beam.

Abstract: A disposable diaper including an ink-printed substrate web exhibiting ink rub-off resistance. The substrate web is printed with an ink composition to form an ink film on the substrate web. The ink film is coated with a coating composition to form a coating film on the ink film. At least one of the ink composition and the coating composition forms a cross-linked structure within the film thereof and forms a cross-linked structure with the other composition between the ink film and the coating film. A method for making the diaper includes the steps of printing and coating the ink film.

Abstract: Disclosed is a multilayer fabric and a method of forming a multilayer fabric comprising one or more facing layers and one or more elastic layers adjacent to or sandwiched there between, the one or more facing layers comprising a polypropylene; and a propylene-?-olefin elastomer having and an MFR of less than 80 dg/min; wherein the facing layer is extensible and non-elastic and has a Handle-O-Meter value of less than 60 g and a 1% Secant Flexural Modulus of less than 1000 MPa. In certain embodiments, polyethylenes are absent from the facing layer(s).

Abstract: The disclosure is directed to a barrier structure including a fluoropolymer layer and a polymeric layer. The barrier structure has a chemical permeation breakthrough detection time greater than about one hour for hazardous chemicals as measured by ASTM F739. The disclosure is further directed to a method of forming the aforementioned barrier structure. The barrier material is designed to be suitable for construction of shelters, clothing, containers and other articles requiring barrier properties.

Abstract: A process for producing a web-like laminate material for packaging container composed of a base layer and a thermally sealable inner layer, comprising: introducing an oxygen-containing gas in a silver vapor atmosphere; carrying a web-like base film in the silver vapor atmosphere to form a thin film of metallic silver on a surface of the web-like base film; oxidizing the thin film into a thin film of silver oxide; drawing out the base film provided with the thin film of silver oxide from the silver vapor atmosphere to obtain a web-like base layer; laminating an inner face of the web-like base layer with a thermally sealable inner layer, printing a container design on an outer face of the web-like base layer; and forming a thermoplastic layer or a support layer on the outer face and inner face of the web-like base layer. A seal zone, vicinity thereof and entirety of the container can be formed in an antibacterial atmosphere or with an antibacterial material.

Abstract: A pipe- or tube-shaped article having an innermost layer is disclosed which comprises a polyolefin composition comprising a polyolefin comprising ethylene and an ?-olefin. The article provides long lifetime, highly abrasion-resistant pipes for mining and other transportation uses. Also disclosed are methods for preparing the article and transporting abrasive materials.

Abstract: A method for producing an elastic laminate material web that has elastic and non-elastic regions and has non-woven fabric on both surfaces of the web. In between the two surfaces, there are film strips of an elastic film. One surface of the web consists of a planar non-woven fabric layer and is connected with non-woven fabric that is disposed on the opposite surface of the web in areas between the film strips. Each film strip is connected with a non-woven fabric layer to form a laminate strip. The laminate strips are glued to the planar non-woven fabric layer on their film side, and the non-woven fabric that is connected with the planar non-woven fabric layer between the laminate strips is in the form of non-woven fabric strips that run parallel to the laminate strips. The non-woven fabric strips overlap the non-woven fabric layer of the laminate strips in edge regions of the laminate strips.

Abstract: A maintenance-free plain bearing includes a metal support, an intermediate layer applied directly thereto and a sliding layer applied to the intermediate layer. The intermediate layer includes at least one functionalized thermoplastic polymer having functional groups of the formula —COOH and/or —COOR, where the radicals R are cyclic or linear organic radicals having from 1 to 20 carbon atoms.

Abstract: An apparatus for fabricating a unique nonwoven fabric which has the appearance of a woven fabric includes a supply station for parallel warp yarns, a support structure for orienting the parallel warp yarns into a cylindrical orientation, a weft yarn applicator for wrapping weft yarns around the cylindrically oriented warp yarns after an adhesive scrim has been overlaid onto the warp yarns, a heating station for activating the adhesive and a cooling station for setting the adhesive, and a cutter for severing the cylindrically formed fabric laminate so that it can be flattened and wrapped onto a take-up roller. The weft yarn applicator including a rotating drum wherein a plurality of spools of weft yarn material are mounted in circumferentially spaced relationship and a tensioner is provided for applying the weft yarn material around the warp yarns in a predetermined tension which may be the same as, greater than, or less than the tension in the warp yarns.

Abstract: A method for bonding a porous flexible membrane to a rigid material is disclosed. In some embodiments, the method includes applying, at a bonding site of the porous membrane, a pre-treatment solvent solution, drying the bonding site of the porous membrane, applying, at a bonding site of the rigid structure, a first solvent that is capable of dissolving a surface of the rigid material, applying, at the bonding site of the porous membrane, a second solvent that is capable of dissolving the polymeric residue material dissolved in the pre-treatment solvent solution, and pressing the porous membrane to the rigid material at their respective bonding sites. In some embodiments, the pre-treatment solvent solution may include a solvent carrying dissolved polymeric residue material configured to fill the pores of the porous membrane at the bonding site of the porous membrane.

Abstract: Provided herein are, among other things, epoxy resin varnishes and methods of making and using the same. In some embodiments, the epoxy resin varnishes comprise at least a filler such as silica. In certain embodiments, the epoxy resin varnishes provided herein are used for making laminates such as copper clad laminates. In farther embodiments, the copper clad laminates provided herein are used for making printed circuit boards (PCBs).

Abstract: The invention concerns an installation for manufacturing a drip irrigation pipe (8) formed of a pipe (8) provided with drippers (4), including a dripper feed station (37), followed by an extrusion station (10), including an extrusion head (14) producing a tubular blank (22) and means for welding the drippers (4) to the inner wall of said blank (22), characterized in that the dripper welding means (4) include a support surface (50) and a counter-support surface (56) between which the drippers (4) are pressed against said tubular blank (22) so as to be welded thereto, said support (50) and counter-support (56) surfaces being arranged upstream of the calibrating means (24).

Abstract: A label with top, bottom and edge surfaces is attached to a thermoplastic substrate by a method comprising the steps of: A. Placing the bottom surface of the label in contact with a surface of the substrate; B. Melting a portion of the substrate beneath the label or adjacent to an edge of the label; C. Drawing a portion of the melted substrate over an edge of and onto the top surface of the label such that the portion of the melted substrate on the top surface of the label is continuous with the substrate; and D. Solidifying the melted substrate. The attachment does not require adhesive or mechanical fasteners, and the label and thermoplastic substrate can be made of any material that will withstand the conditions of the environment to which they will be exposed.

Abstract: A thermal polymer-bonding method includes initially placing into contact certain polymer-based first and second solid media at a first junction. A first superficial portion of the first solid medium is liquefying through the application of thermal energy to the first junction. The liquefied first superficial portion is superficially or topically applied to the second solid medium whereafter the topical application may be solidified via the action of cooling or withdrawal of thermal energy from the first junction. The solidification of the liquid elements, having maximized surface area contact between opposing media, bonds the first solid medium to the second solid medium. A third polymer-based solid medium may then be placed into contact with the first solid medium at a second junction, whereafter certain select second superficial portions of the first and third solid media may be liquefied, and re-solidified to bond the third solid medium to the first solid medium.

Abstract: The presently described technology provides a low cost multilayer elastomeric film containing at least one layer of styrene block copolymer and at least one elastomer layer substantially free of styrene block copolymer such that the resultant film has a low permanent set substantially equal to or less than a film comprised of styrene block copolymer only. The elastomeric film may be used in elasticized features of various articles, such as disposable absorbent articles. Methods for producing the low cost elastomeric film having a low permanent set are also described.

Abstract: A transparent/translucent double-layer of plastic sheet material which transmits light is provided, comprising a pair of transparent/translucent sheet materials, wherein one side may be of matte finish, the other side color coated, wherein the sheet materials include decorative metal articles located therebetween and are joined together with the matte finish facing outward. The material may display a high level of luminosity and the appearance of being lit-from-within. A light transmitting fire-rated panel including a spring-loaded frame is also provided.

Abstract: An article includes a plastic material and an expanded polytetrafluoroethylene (ePTFE) laminate coupled to the plastic material.

Abstract: Thermosettable compositions are described having improved adhesion to metal substrates when cured comprising (a) at least one curable epoxy resin; (b) at least one hardener, each hardener having less than 1 primary amine group per molecule and not more than 1 secondary amine group per molecule, the hardener(s) comprising at least one polyhydroxy hydrocarbon, hydrocarbon capable of generating multiple hydroxy groups per molecule during curing of the thermosettable material, or poly(acid anhydride)hydrocarbon other than a blend of (1) a copolymer of an ethylenically unsaturated anhydride and a vinyl compound and (2) a copolymer of an ethylenically unsaturated anhydride and an elastomer, and (c) at least one triblock copolymer comprising at least one elastomeric block and at least one acrylic block.

Abstract: A method for picking up small objects using a pliable, tacky composition whereby after the composition is touched to a small object so that the object temporarily adheres to it, the object can be manually removed or transferred from the composition. The tacky composition may be used with an apparatus.

Abstract: A system and method for bonding and unbonding of small objects using small adhesive particles. The system and method includes the use of a plurality of optical tweezers to manipulate objects to be bonded and adhesive particles suspended in a fluid. The objects to be bonded (or unbonded) and the adhesive particles are positioned by lower power optical tweezers and then an intense bonding optical tweezer is activated to cause the adhesive to join the objects together (or used to unbond objects).

Abstract: The invention relates to a plastic body comprising two polyamide parts welded together, wherein the two polyamide parts consist of a polyamide composition at least one which comprises an iron containing additive. The invention also relates to a welding process for making the plastic body by welding two polyamide parts at least one of which consists of a polyamide composition comprising an iron containing additive.

Abstract: A synthetic-grass covering, usable, for example, for making artificial pitches for sports activities, consisting of a substrate made of sheet material and filiform formations, implanted in the sheet material so as to present a looped part that extends up against one of the surfaces of the sheet material and lateral branches that extend in order to simulate the grassy sward of natural turf from the opposite surface of the sheet material. The substrate made of sheet material comprises a pad with coupled thereto a layer made of heat-meltable material, and the filiform formations are also made of heat-meltable material, with the aforesaid looped parts that extend in an area corresponding to the layer made of heat-meltable material, heat-welded to the aforesaid layer.

Abstract: Photovoltaic modules are prepared by laminating an active device to a glass cover plate by means of a thermoplastic siloxane copolymer. The siloxane copolymer provides good adhesion, freedom from water absorption, and yet can be reworked either in the field or during recycling of the solar cell components.

Abstract: Provided are a method of bonding resin materials for bonding a resin material (X) containing an oxymethylene-based polymer (A) and a resin material (Y), and a structure obtained by the bonding method. The method includes the steps of: preparing as the resin material (Y) an oxymethylene-based polymer composition (B) satisfying the following conditions (1) and (2); or preparing as the resin material (Y) the resin material (X) or another resin material and providing the oxymethylene-based polymer composition (B) between the resin material (Y) and the resin material (X); and heating the resin materials: (1) the oxymethylene-based polymer composition (B) has a melting point lower than that of the oxymethylene-based polymer (A), and a difference in melting point between the composition and the polymer is smaller than 5° C.

Abstract: The present application thus provides a composite composition comprising PTFE and zeolite. According to another aspect, the present application provides a method for making a composite article comprising bonding zeolite to PTFE. According to still yet another aspect of the present application, a method for separating components of the mixture comprising contacting the mixture with a composite composition comprising PTFE and zeolite is disclosed.

Abstract: A light concentration device includes: a plate including two principal faces and an edge between the two principal faces, a refractive index gradient existing between the two principal faces, and a diffraction grating functioning in reflection or semi-reflection that cooperates with one of the principal faces of the plate having the highest refractive index, the principal face having the lowest refractive index forming a front entry face for the light, at least one exit zone for the light being disposed on the edge.

Abstract: A continuous manufacturing method to form a continuous multi-module device including a plurality of solar cell modules is provided. The continuous multi-module device can be cut into sections including a desired number of solar cell modules that can be used in solar energy applications. The number of solar cells in the desired section can be advantageously electrically connected by connecting power output wires that outwardly extend from each solar cell module. If any solar cell module malfunctions during its use, that portion may be easily removed and the remaining modules are reconnected.

Abstract: A catheter shaft bond arrangement includes a first catheter shaft defining a first lumen, a second catheter shaft defining a second lumen, and a first bonding member. The first bonding member is configured to bond with the first and second catheter shafts to create a molded bond upon application of heat to the first bonding member. The molded bond provides a fixed axial and radial orientation of the first and second catheter shafts relative to each other. The molded bond can be generated in some arrangements without the use of the first bonding member. In other arrangements, two or more bonding members can be used to create the molded bond.

Abstract: The invention relates to a method for the application of a reusable fastener, comprising a sealing band and a sealing strip, to a diaper. According to the invention, strips, comprising a support and a backed material with sealing elements in the form of loops or hooks, are fixed to the diaper without adhesive. In a first method step the strips are attached by means of thermobonding or ultrasound welding. In a second methods step, the above are then fixed to the counter-surface by cold pressing or ultrasound welding.

Abstract: Provided are a method of bonding resin materials for bonding a resin material (X) containing an oxymethylene-based polymer (A) and a resin material (Y), and a structure obtained by the bonding method. The method includes preparing as the resin material (Y) a low-melting-point oxymethylene-based polymer (B) having a melting point lower than that of the oxymethylene-based polymer (A) by 5 to 50° C., or preparing as the resin material (Y) the resin material (X) or another resin material, and providing the low-melting-point oxymethylene-based polymer (B) between the resin material (Y) and the resin material (X) and heating resin materials.

Abstract: A method of manufacturing a fuel cell membrane electrode assembly comprising forming and compressing a stack having a plurality of layers in a desired orientation. The layers comprise a membrane, a cathode, an anode, and at least one edge protection layer. The method includes providing at least one mechanical reinforcing layer adjacent the anode or cathode layer, and allowing the electrodes to relax under high heat to remove stress prior to lamination.

Abstract: The invention relates to a composite article comprising a metal sheet of at least 0.25 mm thickness and at least two unidirectional sheets, with the metal in the metal sheet having a melting point of at least 350° C., whereby the unidirectional sheets comprise at least 2 mono-layers of unidirectional oriented high performance fibers, with the direction of the said fibers in a mono-layer is at an angle ? to the direction of the fibers in an adjacent mono-layer. The invention furthermore relates to a process for the manufacture of a composite article and the use of the composite article in buildings and constructions, vehicles, and ballistic applications, especially under conditions of heat and fire.

Abstract: A molding material of the present invention includes a polymer having a repeating structural unit whose part or whole contains an alicyclic structure, a phenolic stabilizer, a hindered amine light stabilizer and a phosphorus stabilizer, in which at least a part of the phenolic stabilizer and/or hindered amine light stabilizer is presently adhering to the surface of particles of the above polymer.

Abstract: The invention relates to the use of a two-phase polymer combination which is dissoluble in aqueous alkali and comprises a. an alkali-soluble copolymer or terpolymer of an ?,?-unsaturated monocarboxylic acid which possesses carboxyl groups distributed essentially uniformly over the chain of the molecule, as a continuous phase, and b. a copolymer or terpolymer which is insoluble in aqueous alkali and contains epoxy groups along its polymer chain, as a discontinuous finely disperse phase, c. free epoxy groups on the surface of the polymer particles of the discontinuous phase being linked to one another by esterification with some of the carboxyl groups of the polymer of the continuous phase, and the remaining carboxyl groups being present in unchanged form, as an adhesive. The polymer combination, which is not tacky in the dry state, can be made tacky by supplying aqueous moisture to it.

Abstract: Disclosed are composite laminates that can exhibit high strength and/or low dielectric loss and can also be lightweight. The laminates include layers formed of high modulus polyolefin fiber. The fibers can be woven or knit to form a fabric or can be included in a nonwoven fabric that can be one or more layers of the composite structures. The layers including the high modulus polyolefin fibers can include other fibers, such as fiberglass. The composites can also include layers of other materials, for instance layers formed of polyaramids, fiberglass, or carbon fiber wovens or nonwovens. The composites can advantageously be utilized in low loss dielectric applications, such as in forming circuit board substrates, or in applications beneficially combining strength with low weight, such as automobile and boat materials.

Abstract: Provided is a method of producing a transparent, heat-resistant, oil-resistant laminate name tag, which includes the steps of laminating a newly developed heat-resistant, oil-resistant polyethylene terephthalate (PET) resin and a adhesive polyolefin resin on each other to form a pouch film including a two-resin three-layered film (F), sandwiching a printed article (L4) having a moisture evaporation rate of 3% or less between the pouch films, and welding the resulting product by heating, in which the two-resin three-layered film (F) is formed of, from the outside: a first layer including a transparent, heat-resistant, stretched polyester film (L1); a second layer including a heat-resistant, oil-resistant, adhesive polyester film (L2); and a third layer including an adhesive polyolefin film (L3).

Abstract: A process for fixing several textile thicknesses along a line, and particularly an edge of a textile article, of the type by which two stitched sewing threads are used, namely the lower and the upper is provided. One of the threads changes state at a first predetermined temperature. A glue for thermogluing the thicknesses is provided. The glue acts at a second predetermined temperature. The state changing thread melts at a first temperature that is lower than the second temperature. The other thread is eliminated after the state changing thread has melted. This results in a perfectly placed seamless assembly.

Abstract: A method of forming a tubular body for a catheter, sheath or lead comprises extruding a polymer core having an integrally formed core wall, first lumen, and second lumen, placing a first layer over an outer circumferential surface of the extruded polymer core, and bonding the first layer to the circumferential surface of the extruded polymer cover via a reflow process. The first and second lumens are mandrel free during the reflow process, and a temperature of the reflow process is below a softening point of the polymer core to maintain a collapse free first and second lumen.

Abstract: The invention relates to a multilayered material sheet comprising a consolidated stack of unidirectional monolayers of drawn polymer, whereby the draw direction of two subsequent monolayers in the stack differs. At least one monolayer comprises a plurality of unidirectional tapes of the drawn polymer, aligned in the same direction, whereby adjacent tapes do not overlap. The invention also relates to a process for the preparation of the multilayered material sheet, and to a ballistic resistant article comprising the multilayered material sheet.

Abstract: A door panel 1 has a peripheral frame 10 of extruded aluminium and a honeycomb core of plastics material tubes 11. An outer skin 2 of fibre-reinforced polyetherimide material is recessed with a pattern 3 formed in a preliminary operation of vacuum/pressure forming at elevated temperature. An inner skin 4 is plane. Edge channel members 5 of similarly formed, but thicker material are arranged around the edges of the door, enclosing the aluminium frame. A non-woven, polyester based scrim 6 extends across either side of the core and over the flanges 7 of the edge channels. For bonding of the core, skin and edge channels together, the assembly is placed in a jig and compressed at elevated temperature in a heated press. The core is crushed at the recessed pattern 3 and the scrim melts and acts as a hot melt adhesive. On cooling of the press platens, the assembled door is removed from the jig.

Abstract: [Problems to be Solved] To provide a graphite clay composite material, a process for producing the same, a gasket or packing comprising the composite material, and a clay dispersion used for the composite material, which can be applied to the various usages in a wide fields including; sealing material such as joint sheet, gasket, packing and the like, heat-release sheet, electromagnetic wave shielding material, sound-proof sheet and the like. [Means to Solving the Problems] A composite material comprising mainly a graphite and a clay, wherein the clay is laminated on and/or enters into a graphite layer.

Abstract: An element structure has a polyimide resin applied on a surface of a first substrate to a uniform thickness, and is subsequently heated to form a semi-cured polyimide layer. The polyimide layer is then cured to form a cured first polyimide layer. A polyimide resin is applied on a surface of a second substrate to a uniform thickness, and is subsequently heated to form a semi-cured polyimide layer. The polyimide layer is then cured to form a cured second polyimide layer. The cured first and second polyimide layers are pressed on each other and heated to a bonding temperature, thereby joining the polyimide layers together. Thus, the first substrate and the second substrate are combined with the polyimide layer being the bonded structure of the polyimide layers therebetween.

Abstract: A method of assembling precision optical or optomechanical components of otherwise incompatible chemistry that provides first and second components having respective first and second polished contacting surfaces to be bonded; deposits a thin film dielectric coating at the surface of the first and or second polished surface, and contacts the coated portion of the first or second components with the respective contacting surfaces to be bonded, while maintaining alignment of the two components, to form a single structure.

Abstract: The present invention relates to a belt-type wrinkled band used for healing a hernia of intervertebral disk or protection the intervertebral disk. In particular, the expansion and contraction by air-injection can be achieved, without using a rubber tube for the contraction and expansion.

Abstract: A flexible material includes a plurality of separate resilient elements joined to a flexible, resiliently stretchable substrate. Such a material is suitable for providing protective war for human and animal bodies. Preferably, the elements includes a foam material such as a closed cell polyethylene foam and the substrate includes a knitted fabric. In an advantageous embodiment, a second flexible substrate is bonded over the elements to sandwich them between the two layers of substrate.