Abstract: Thermosetting adhesive compositions formed from an epoxy resin containing nano-sized core-shell particles, one or more thermoplastic toughening agent containing an amine-terminated polyethersulfone, and at least one multi-functional epoxy resin, together with at least one amine curing agent to allow full cure of the adhesive composition up to 400° F. are provided herein. Such compositions are useful for forming adhesive films that can bond composite/metal/honeycomb structures for aerospace including bonding of aircraft leading or trailing edges, acoustic nacelle structures, horizontal and vertical tail, and various other structures, as well as for other high performance industrial applications.

Abstract: A method for fabricating stringers is provided. The co-cured composite stringer includes a stringer and a mandrel positioned within a channel defined in the stringer. A plurality of strips are positioned within an opening of the mandrel, and a substrate layer, such as aircraft skin, is positioned adjacent to the stringer. During application of the substrate layer to the stringer, the mandrel and plurality of strips support the stringer.

Abstract: The invention relates to a fixing element for fixing to a base body, in particular to building surfaces comprising a support and an reactive adhesive.

Abstract: The present invention relates to a carrier film for mounting a polishing workpiece. The carrier film comprises a surface substrate and a buffer substrate. The surface substrate consists of first elastomer, the first elastomer comprising a plurality of first holes; wherein the first holes have a drop shape, and each of the first holes has an opening. The buffer substrate consists of second elastomer, the second elastomer comprising a plurality of second holes. The surface substrate and the buffer substrate are adhered with adhesive comprising the first or the second elastomer. A method for making the carrier film is also provided. When polishing, the carrier film provides a good buffer property to conduct and release down force applied on the polishing workpiece.

Abstract: To produce a complex structure made of a composite, with assembled individual parts, a method includes the steps of: producing individual parts; producing assembly components, to ensure structural bonds between the individual parts, from fibers impregnated with a resin capable of curing by polymerization, comprising fins attached to a core that determine grooves, in order to receive edges, of the individual parts, subjected to a partial thermal cure to partially polymerize the resin and give the components a dimensional stability and thermoplastic properties; positioning of the individual parts and assembly components; raising the temperature to a thermoplastic forming temperature and applying pressure P in order to apply the fins to faces of the individual parts; and carrying out a complete thermal cure for polymerization of the resin of the assembly components.

Abstract: A curable thermal interface material composition includes an epoxy polymeric adhesive matrix; a high conductivity filler; a low melting temperature solder material; and a matrix material modification agent.

Abstract: For the production of a double-sided pressure-sensitive adhesive tape, having a closed and open side, possessing a carrier film (e) provided on both sides with a pressure-sensitive adhesive layer (c,c?), the carrier film (e) being a filmlike carrier film not based on rubber, and there bring at least one release film located on the closed side, on the one pressure-sensitive adhesive layer (c), it is envisaged that, from the melt, two identical or different pressure-sensitive adhesives for the pressure-sensitive adhesive layers (c,c?), a film-forming polymer for the carrier film (e), and a film-forming polymer for the release film be formed, that these components be combined to form a composite, and the at the pressure-sensitive adhesives be crosslinded by means of physical and/or radiation-chemical treatment.

Abstract: Elastomer components (104), which are to have an elastomer volume with a sufficiently large prestress, as is required, for example, for use in wind energy plants. The elastomer components (104) are substantially based on the incorporation and integration of separating elements (105) into the elastomer body of the component, the elements are disposed either individually or in structures. The body may be compressed by pressure supplied into the region, between the separating elements and the surrounding elastomer material, or directly into the separating elements, such that elastomer components are prestressed in a dynamically adjustable manner.

Abstract: The present disclosure relates to a deformable mirror including a deformable membrane with a reflecting face and an opposite face, a stiff plate and a structure of at least one actuator at least a part of which is fixed to the stiff plate and able to locally deform the membrane, wherein the deformable mirror also includes a not necessarily uniform adhesive layer against the opposite surface of the membrane, and a structure of at least one flexible coupling including a mechanical connection and upper and lower linking means coupling respectively the upper and lower ends of the mechanical connection to the adhesive layer and to the stiff plate. The disclosure also relates to a tool and a method making it possible to produce such a mirror.

Abstract: Novel waterborne adhesives comprising a crosslinkable polymer, a crosslinking agent and acetaldehyde scavenger are useful in the manufacture of products exhibiting reduced acetaldehyde emission rates. Manufactured products having acetaldehyde emission rates of less than 9 ?g/m3 may be manufactured using the adhesive of the invention.

Abstract: A method for making a conductive plate comprises providing a conductive film exhibiting electric anisotropy, and bonding the conductive film to a substrate through an adhesive.

Abstract: A method for fabricating a reinforced matrix composite comprising the step of providing a composite preform having a fibrous structure and applying matrix material onto the preform in locations along the preform. A barrier material is applied to at least a portion of the coated preform to direct the flow of matrix material into the preform. The composite preform is heated to a temperature sufficient to render the matrix material viscous and insufficient to cure the matrix material. The pressure to the interior of the composite preform is reduced, while the pressure to the barrier material is increased. The temperature is maintained to flow the matrix material into the composite preform and to force gases from the fibrous structure. The composite preform is then cured and cooled to form a reinforced matrix composite having a low void content and a substantially uniform matrix distribution.

Abstract: Method for applying a reinforced composite material, such as a fibre reinforced polymer (FRP) laminate or a steel reinforced polymer (SRP) laminate or a steel reinforced grout (SRG) composite, to a structural member. The method comprises the steps of: applying a curable adhesive to a surface of the structural member and/or a surface of the reinforced composite material, and bringing said surfaces into contact. A pre-stressing force, Pmax, is directly or indirectly applied to the reinforced composite material. The pre-stressing force, Pmax, to which a treatment length, LT, of the reinforced composite material is subjected is then decreased so that the reinforced composite material along the treatment length, LT, will be less pre-stressed than the reinforced composite material adjacent to the treatment length, LT, when the adhesive has cured.

Abstract: The present invention relates to a joint between a laminar composite cover (12) and a second cover (15) (which may or may not be also formed from a composite material). The invention also relates to a method of manufacturing such a joint and a method of manufacturing a composite cover suitable for use in such a joint. The laminar composite cover (12) comprises a stack of layers, substantially all of the layers being shaped to form a joggle, each joggle comprising a first portion, a second portion where the layer extends substantially parallel with the first portion, and a ramp (33) between the first and second portions where the layer extends at an angle to the first and second portions, the number of layers being substantially the same on both sides of the ramp. The second cover (15) partially overlaps with the composite cover, and a clamp or fastener (31) holds the covers together where they overlap.

Abstract: A display includes a first substrate including elements arranged on a main surface of the first substrate, a second substrate arranged so as to face the main surface of the first substrate on which the elements are arranged, a first sealing layer arranged between the first substrate and the second substrate so as to cover the elements, and a second sealing layer arranged between the first substrate and the second substrate so as to surround the first sealing layer. The second substrate has a peripheral projection, the entirety of which projects toward the side on which the elements are arranged, and the peripheral projection surrounds the first sealing layer. The second sealing layer is arranged between the first substrate and the second substrate so as to extend from the periphery of the first sealing layer to the peripheral projection.

Abstract: A method for joining first and second parts includes applying a structural adhesive, configured to form a permanent bond when subjected to a permanent-curing process, to one of the parts. A dimension-set adhesive is applied to join the parts, and is configured to fix the dimensions of the parts. The parts are not subjected to a mechanical fastening process or a welding process, and the structural adhesive is not subjected to a partial-curing process prior to the permanent-curing process. A permanent bond is formed between the parts with the structural adhesive by subjecting the parts to the permanent-curing process. The dimension-set adhesive may be isolated from the structural adhesive, or may be surrounded by the structural adhesive. An extended tab portion may be formed on one of the parts, and the dimension-set adhesive located thereon.

Abstract: The present invention provides a method of manufacturing a membrane-electrode assembly for a fuel cell, in which a binder is spray-coated on a surface of a polymer film, a catalyst slurry is bar-coated on a surface of an electrolyte membrane, bonded on the binder, to form a catalyst electrode layer, a bonded assembly of the electrolyte membrane and the catalyst electrode layer is separated from the polymer film, after a drying process, to obtain a 2-layer MEA, and the thus obtained 2-layer MEAs are used to form a 3-layer MEA or a 5-layer MEA by a hot pressing process. Accordingly, the present methods solve the problems associated with prior art that the loss of catalyst is considerable, since the catalyst slurry is directly spray-coated on the membrane, and the catalyst electrode layer in a solid phase is hot-pressed on both surfaces of the membrane.

Abstract: A robot hand member mounted on an arm unit of an industrial robot and a method of producing the same, wherein there are successively executed a step of laminating prepreg sheets each containing a reinforcing fiber on the outer peripheral surface of a core member having a predetermined shape in cross section, a step of heating the laminated prepreg sheets to a predetermined temperature to thermally set, to form a fiber reinforced plastic, and a step of removing the core member from the fiber reinforced plastic to obtain a hollow structure.

Abstract: The invention relates to a decorative paper impregnate which can be pressed into a laminate for decorative coating materials, which is impregnated with an impregnating resin and provided with an ink receiving layer and which after drying has a residual moisture of at least 3.5% and a flow of more than 0.4%.

Abstract: An adhesive pattern is formed by applying a photocurable and thermosetting adhesive comprising as indispensable ingredients (A) a carboxyl group-containing photosensitive prepolymer having both a carboxyl group and an ethylenically unsaturated bond in its molecule and an acid value in the range of 30 to 160 mg KOH/g, (B) an epoxy resin, and (C) a photopolymerization initiator onto a surface of a substrate as a member to be bonded to form a coating film; selectively exposing the coating film to an active energy ray through a photomask according to a predetermined pattern, thereafter removing an unexposed portion by development with an aqueous alkaline solution. Then, a sheet member as a joining member is pressed onto the adhesive pattern mentioned above, and the adhesive pattern is thermally cured to obtain a laminated structure.

Abstract: In order to manufacture an ink-jet head, a head body and a reservoir unit are formed first. Then, UV-cured resin is applied on the lower surface of the reservoir unit. Then, the head body is placed on a plane of a jig so that the plane abuts against the ink discharge surface. Then, the reservoir unit is positioned with respect to the head body and the jig so that an ink reservoir of the reservoir unit and ink flow channels of a flow channel unit are brought into communication and the both ends in the longitudinal direction of a reservoir base plate and the upper surfaces of walls oppose to each other, and the reservoir unit is laminated on upper surface of the flow channel unit via the UV-cured resin. Subsequently, the UV-cured resin is cured in a state in which the lower surface of the reservoir base plate abuts against the upper surfaces of the walls.

Abstract: A polyurethane polymer which has sterically hindered urea groups which lead to the effect that the polyurethane has thermal lability at these sites. The invention further relates to a composition for preparing such a polyurethane polymer, said composition being suitable for the production of reversible adhesive bonds, seals and coatings. An inventive polyurethane polymer, or the corresponding composition for production thereof, finds use especially in automobile construction, where the possibility of detaching adhesive-bonded components and window panes is of significance for dismantling for repair purposes or else for utilization and recycling of used and accident-damaged automobiles.

Abstract: The invention relates to a process for manufacturing a sandwich panel comprising a step to bake a stacked structure (16) provided with: a honeycomb body (2); a film (12) pre-impregnated with a first resin with a polymerisation temperature T1; and a first stack (18) of fibre layers pre-impregnated with a second resin with a polymerisation temperature T2 greater than T1, the film being arranged between the first stack and the body. The baking step comprises a first phase designed to use the film (12), to create a rigid barrier providing a seal from the second resin by polymerisation of said first resin, followed by a second phase designed to produce the skin starting from the stack (18), by polymerisation of the second resin.

Abstract: A mandrel for use as a substrate in the manufacture of woven or braided articles may comprise an inner core of foam; at least a first intermediate layer of carbon fiber-reinforced resin; and an outer layer of glass fiber-reinforced resin. The foam core may comprise a high density, closed cell polyurethane foam that is formed of a desired size and shape. The fibers in the intermediate layer and outer layer may be, for example, chopped fibers, continuous longitudinally aligned fibers, circumferentially wound fibers, obliquely aligned fibers, or the fibers may have a woven or braided pattern. Multiple mandrel may be joined together to form complex mandrel shapes such as curves, ovals, and circles.

Abstract: A method of insert molding comprises placing in a first mold a curable rubber composition comprising a reactive species; placing on a surface of the rubber composition a first thermoplastic material in a film or layer comprising a group reactive with the reactive species of the rubber composition; curing the rubber composition in the mold to form a first molded article of cured rubber having a first thermoplastic material layer covalently bonded through reactive of the reactive species and the group; placing the first molded article as an insert into a second mold, the cured rubber contacting an inside surface of the second mold and the thermoplastic layer facing into the second mold cavity; closing the second mold and injecting into the second mold a second thermoplastic material that to form a second molded article comprising the first molded article thermally welded and/or covalently bonded to the second thermoplastic material.

Abstract: The invention can be defined in its most general form as a technology for production of corrugated structures from foliated composite materials and can be used for production of sandwich panels used in aircraft construction, shipbuilding, and in building units.

Abstract: The present invention provides a method of manufacturing an electronic display, power generating or other electronic apparatus. The exemplary method includes depositing a first conductive medium within a plurality of cavities of a substrate to form a plurality of first conductors. A plurality of electronic components in a suspending medium are then deposited within the plurality of cavities, and the plurality of electronic components are oriented using an applied field, followed by a bonding of the plurality of electronic components to the plurality of first conductors. A second, transmissive conductive medium is then deposited and bonded to the plurality of electronic components.

Abstract: A thermosetting solution composition composed of a biphenyltetracarboxylic acid compound containing a partial lower aliphatic alkyl ester of 2,3,3?,4?-biphenyltetracarboxylic acid and/or a partial lower aliphatic alkyl ester of 2,2?,3,3?-biphenyltetracarboxylic acid, an aromatic diamine compound in a molar amount larger than a molar amount of the biphenyltetracarboxylic acid compound, a partial lower aliphatic alkyl ester of 4-(2-phenylethynyl)phthalic acid compound in a molar amount as much as 1.8-2.2 times a molar amount corresponding to a difference between the molar amount of the aromatic diamine compound and the molar amount of the biphenyltetracarboxylic acid compound, and an organic solvent composed of a lower aliphatic alcohol is of value for manufacture of a prepreg.

Abstract: Food and beverage containers and methods of coating are provided. The food and beverage containers include a metal substrate that is at least partially coated with a coating prepared from a composition that includes a resin system, a crosslinker, and a catalyst. Preferably, the coating composition is substantially Bisphenol A-free.

Abstract: A bonded composite joint may include a base having a foot configured to couple to a member. The base may include a flange extending outward from the foot. The joint further may include a panel having a core positioned between opposing skins, where the skins have inner walls proximate the core and the skins extend outward beyond the core on at least one end of the panel to define a recess between the skins. The recess between the skins may receive the flange. A bonding agent may be used to couple the flange to the inner walls of the panel.

Abstract: An object of the present invention is to provide an electronic card equipped with a display by a batch processing, adopting a dam around the edge of the card and a curable resin, and the method for fabricating thereof. Another object of the present invention is to provide an electronic card including a static electricity blocking film and the method for fabricating thereof. An electronic card according to the present invention comprises a dam formed around the edge of a first printing film with a certain width and height; a flexible PCB and an IC chip formed on said first printing film; a display to show information inputted or outputted through said IC chip; and a curable resin to be infused onto said first printing film.

Abstract: A maleimide terminated polyimide incorporated into a two-part acrylic structural adhesive system. The maleimide terminated polyimide of the various embodiments of the present invention provide improving thermal stability, strength, and toughness.

Abstract: The invention concerns a compressible plate for flexographic printing, designed to be positioned on a support cylinder of a printing machine. The invention is characterized in that said plate (1) comprises a photopolymer layer (10) and a compressible layer (11) made of a material exhibiting voids forming between 10 and 60% by volume of said compressible layer, the material comprising at least 70% by weight of a polymer or a mixture of polymers chemically compatible with the photopolymer.

Abstract: Process for manufacturing monolithic composite structures comprising providing first and second subcomponents (1, 2) of composite material, attaching an expansion compensating tooling to the second subcomponent, placing the second subcomponent along with said tooling on the first subcomponent and bonding it to the latter by means of an uncured structural adhesive, covering the assembly comprising the first and second subcomponents and the tooling with a vacuum bag, performing an autoclave cycle for curing the curable material contained in said assembly under high temperature and pressure conditions, withdrawing said assembly from the curing autoclave and removing the expansion compensating tooling to obtain the desired monolithic composite structure. The tooling for carrying out the process comprises metal L- or I-shaped beams having a rough surface adapted to be applied to the second subcomponent. The invention is useful for manufacturing aircraft parts.

Abstract: A hydrosilylation curable composition containing a comprising (A) 100 parts by weight of an organic polymer haying on average at least 1.4 alkenyl groups per molecule; (B) an amount sufficient to cure the composition of a crosslinker having on average at least 1.4 Si—H groups per molecule; (C) a platinum group metal-containing catalyst in an amount sufficient to effect curing of the composition; (D) 0.

Abstract: A process for marking a composite panel prior to curing for subsequent identification. An illustrative embodiment of the process includes applying a label strip made of a resin-permeable material to a composite panel formed of a resin and curing the panel to an elevated temperature such that the resin at least partially permeates the label strip. A marked composite panel is also disclosed.

Abstract: An adhesive composition of the present invention contains, as a main composition, a polymer obtained by copolymerizing a monomer composition containing a monomer having a maleimide group, and further contains a thermal polymerization inhibitor. As a result, it is possible to provide an adhesive composition that allows forming an adhesive layer that is excellently dissolved after the adhesive layer has been subjected to a high-temperature process.

Abstract: A method of manufacturing a composite structure including a plurality of sheets and a radius filler. The radius filler is adapted to fill a gap at least partially formed by the sheets of the composite structure. The radius filler includes a plastic material with a first curing temperature. The sheets include a plastic material with a second curing temperature. The method includes arranging the sheets in a desired shape, applying the radius filler material into the gap, exposing the sheets and the radius filler material to the first temperature, whereby the material of the radius filler cures, and exposing the sheets and the radius filler to the second temperature, which exceeds the first temperature, whereby the material of the sheets cures. A radius filler for filling gaps between sheets of a composite structure. The material of the radius filler has a curing temperature which is below the curing temperature of the sheets of the composite structure.

Abstract: A decorative overlay comprised of thin plastic or metal may be securely fastened to a wheel using one or more preformed, solid, dimensionally stable, heat-activatable adhesive bodies. The use of such adhesive bodies offers significant processing and performance advantages over conventional methods for cladding wheels.

Abstract: An image data of an original is recorded on a pixel unit to a computer and the recorded image data of the computer is applied with image processing to form a subtractive color image data of predetermined number of color of beads based on the size of a bead picture to be prepared and the size of a bead sphere to be used. The substractive color image data is digitalized to the color number on an image pixel unit, and the color number of the digitalized subtractive color image data is indicated on a color number arrangement table of a predetermined size corresponded to the original. A plurality of beads corresponding to the respective color numbers are arranged and supported in a picture frame based on the arrangement of the indicated color numbers thereby completing a bead picture.

Abstract: Three simple tools are used to both preform and mold a composite layup into a J-beam. A first composite charge is preformed into a C-channel using a first tool, and a second composite charge is formed into a Z-channel using both the first tool and a second tool. The C-channel and Z-channel are laid up between the first and second tools, following which a perform composite cap and third tool are added to complete the layup and the tool assembly. The layup may be molded using vacuum bagging techniques and subsequently cured while held in the tool assembly.

Abstract: An uncured fiber reinforced assembly that includes a reinforcement layer containing a fibrous material and at least one highly reactive curing agent. A matrix film layer is applied to the reinforcement layer so that it does not substantially impregnate the reinforcement layer. The matrix film layer includes at least one uncured epoxy resin and at least one latent epoxy curing agent. The assembly is designed for use in making snowboards and skis.

Abstract: To manufacture a piece made of composite material with thermosetting matrix, at least one element of the piece is manufactured separately based on strips of fibers preimpregnated with thermosetting resin, which element is subject to a partial thermal curing, having the effect of partially polymerizing the resin of the first element, on the one hand, up to a stage in which the first element has acquired both a sufficient chemical stability to guarantee its storage at ambient temperature and a sufficient dimensional stability to ensure its handling and to guarantee its integrity during later manufacturing operations of the piece and, on the other hand, limited to a stage in which the material forming first element has thermoplastic properties making possible a plastic forming of the first element by raising its temperature at least locally.

Abstract: Systems and methods for installing an elastomeric element onto a packer mandrel or other existing oil field tubular equipment. In particular aspects, the packer device has a swellable elastomeric packer element.

Abstract: A compression bonding device has a dam member so that when a pressing head is pressed against an object to be pressed, the bonding part is surrounded by the dam member. Thus, even if the surface of the bonding part bulges by pressing, the bulging part is stopped by the dam member and the surface of the bonding part does not horizontally extend. As a result of the absence of horizontal extension of the bonding part, electric components of the object to be pressed are not subjected to a force that horizontally moves the electric components and the electric components are vertically pressed downward and connected to the terminals of the substrate. Thus, an electric device having high connection reliability is obtained.

Abstract: An Adhesive Composition Comprising a Polyol Base Part and an Isocyanate Hardener and the Use thereof An adhesive composition comprising a two-component polyurethane binder composition comprising a polyol base part comprising a catalyst and a low viscosity solvent-free MDI hardener may be used for assembling an object from a number of parts to be assembled by a glue joint and even by heating only the free end of the glue joint to a temperature activating the catalyst a quick hardening will occur allowing an early moving of an assembly being assembled using the adhesive composition and thus allowing the use of the same site for assembling another assembly within the same working day.

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: A method for sterile connection of tubing includes welding the tubing sections together using an efficient laser. The ends of the tubing sections are brought together prior to the initiation of welding, facilitating isolation of interior passage of the tubing sections. The method can be carried out by an apparatus which is relatively inexpensive and compact.

Abstract: The subject invention provides a gasket for sealing multiple fluids and a method of forming the gasket. The gasket includes a carrier, a first elastomeric material, and a second elastomeric material different than the first elastomeric material. The first and second elastomeric materials are disposed in contact with the carrier in a flowable state such that the first and the second materials flow together to form a third elastomeric material comprising a mixture of the first and second elastomeric materials. The first and second elastomeric materials include cure systems that are compatible to ensure sufficient bonding within the third elastomeric material. Adhesive materials that are compatible with each of the first, second, and third elastomeric materials and the carrier are used to bond the elastomeric materials to the carrier.

Abstract: The adhesive material contains a radical-polymerizable compound, a curing agent, and a thermoplastic resin; gives a negative result of the Ames test; and has a PII, or skin irritation, value of 2 or less. In particular, all the starting ingredients should preferably give a negative result of the Ames test and have a PII, or skin irritation, value of 2 or less.