Abstract: Provided in one embodiment is a cured absorbent composite comprising: liquid resistant layer of elastomer; and a layer affixed to the liquid resistant layer comprising an open foam of elastomer, wherein the moisture absorption capacity of the foam layer, normalized by the thickness of the absorptive layer, is 1.5 times that of Ansell's foam lined Household glove.

Abstract: A method for producing a multi-layer plastic film comprising at least one compact cover layer and at least one layer which is arranged under the cover layer and made of extruded foamed plastic (foam layer), wherein the compact cover layer is connected to the foam layer thermally or by adhesion after extrusion and cooling of the foam layer to below the melting temperature. The layer made of foamed plastic is generated by blowing a propellent which is under positive pressure into a plastic melt during the extrusion process and by subsequently relaxing the propellent which is under positive pressure, wherein the foamed plastic is at first not cross-linked and is cross-linked together with the compact cover layer, in particular by high-energy radiation, only after the foam layer and the compact cover layer have been connected.

Abstract: The invention relates to parts having a foamed polymeric material attached to a fabric, and systems and methods for forming same. An example method of attaching foamed polymeric material to a fabric layer includes providing a mold having at least one cavity and at least one material injection channel in fluid communication with the cavity, disposing a fabric over the at least one cavity, closing the mold, injecting unfoamed polymeric material into the at least one cavity through the material injection channel, wherein the unfoamed polymeric material penetrates at least a portion of the fabric proximate the at least one cavity to attach the polymeric material to the fabric layer, and foaming the unfoamed polymeric material.

Abstract: A production device (20) of a molded foam body includes an upper mold (21) and a lower mold (22) having a cavity (23) formed between mold surfaces (21a, 22a) facing each other, wherein a raw foam material is supplied on the mold surface (22a) of the lower mold (22) and a hard material (3) is detachably arranged on the mold surface (21a) of the upper mold (21), and the raw foam material is foamed in the cavity (23) with the hard material (3) arranged on the mold surface (21a) of the upper mold (21) to form a foam body and a portion other than a projection portion (11) of the hard material (3) is fixed to the foam body to form the molded foam body in which the projection portion (11) projects from the foam body, and wherein on the mold surface (21a) of the upper mold (21), a concave arrangement portion (28) that is opened toward the lower mold (22) side and on which the projection portion (11) is arranged is formed, and a pivotable mold (27) that opens and closes the concave arrangement portion (28) from the lo

Abstract: The present invention relates to a method for manufacturing a fabric-integrated cross-linked foamed product, comprising the steps: preparing a mold having a cavity; filling the cavity of the mold with a molding material in an amount greater than the volume of the cavity of the mold; pressurizing and heating the mold; releasing pressure before the molding material of the mold begins to be cross-linked after having reached the softening point by the applied heat, and opening the mold; completely removing the molding material other than the molding material charged in the cavity of the mold, of the molten molding material in the opened mold; placing fabric on the upper surface of the mold the cavity of which is filled with the molding material; pressurizing and heating the mold to cross-link the molding material in contact with the fabric; and releasing pressure and rapidly opening the mold to foam the cross-linked molding material in contact with the fabric.

Abstract: The invention relates to a method for producing a head restraint, in particular a motor vehicle head restraint, wherein the head restraint has a cover and a foam material, wherein the foam material fills out the cover at least in some areas, wherein the method comprises the following steps: producing a prototype mold, wherein the prototype mold comprises at least two parts, wherein when the parts of the prototype mold are assembled, the prototype mold has an inner surface that faces the interior of the prototype mold and an outer surface, producing the cover, assembling the parts of the prototype mold in such a way that the cover is arranged in the interior of the prototype mold, and introducing the foam material into the interior of the cover, wherein the foam material is at least partially liquid when said foam material is introduced into the interior of the cover.

Abstract: The invention relates to a method for producing sandwich construction elements for substantially load-bearing and self-supporting building parts.

Abstract: The present invention relates to a vehicle interior trim part comprising a moulded skin, an intermediate layer, a substrate, and at least one reinforcing element arranged in the intermediate layer. The invention further relates to a method for producing a vehicle interior trim part. Because means for fixing the reinforcing element are arranged on the moulded skin, or the moulded skin comprises means for fixing the reinforcing element, the reinforcing element is reliably fixed, so that a position of the reinforcing element cannot inadvertently change as the vehicle interior trim part is being produced.

Abstract: A method for manufacturing a polishing pad, which may be laminated, with a small number of manufacturing steps, high productivity and no peeling between a polishing layer and a cushion layer includes preparing a cell-dispersed urethane composition by a mechanical foaming method; continuously discharging the cell-dispersed urethane composition onto a face material, while feeding the face material; laminating another face material on the cell-dispersed urethane composition; curing the cell-dispersed urethane composition, while controlling its thickness to be uniform, so that a polishing layer including a polyurethane foam is formed; cutting the polishing layer parallel to the face into two pieces so that two long polishing layers each including the polishing layer and the face material are simultaneously formed; and cutting the long polishing layers to produce the polishing pad.

Abstract: Described herein are open celled foams including a matrix of interconnected spheres. Also described herein are methods of making open celled foams as well as making composite members with open celled foam coatings covering at least a portion of the composite member. The open celled foams described herein are silicone based materials and can be used to coat implants such as breast implants and function to encourage tissue ingrowth and reduce capsular formation.

Abstract: A foam molding shell for a centrifuge bowl, a bowl for a centrifuge, a method for producing a thermal insulation encasing the bowl for the centrifuge and to a centrifuge. The foam molding shell is configured as a disposable tool for foam encasing the bowl for the centrifuge with the thermal insulating material. Thus, the production complexity and the production cost of the centrifuge bowl with the thermally insulated bowl for the centrifuge can be significantly reduced.

Abstract: This invention provides composite semiconductor substrates and methods for fabricating such substrates. The composite structures include a semiconductor substrate, a semiconductor superstrate and an intermediate layer interposed between the substrate and the superstrate that comprises a material that undergoes a structural transformation when subject to a suitable heat treatment. The methods provide such a heat treatment so that the intermediate layer becomes spongy or porous, being filled with numerous micro-bubbles or micro-cavities containing a gaseous phase. The composite semiconductor substrates with structurally-transformed intermediate layers have numerous applications.

Abstract: The present disclosure relates to a method for producing composite materials containing as a first layer a foamed thermoplastic support and as a second layer polyurethane (PU), the resulting composite materials being characterized by improved foam adhesion, wherein (i) a foamed polycarbonate molding composition is produced by injection molding using chemical or physical foaming techniques, and (ii) the polyurethane reaction system is applied on top and allowed to cure. The disclosure also provides the composite systems produced by this method and their use as a component, in particular in the automotive sector.

Abstract: A method for producing a foamed article including a supporting element, a foam layer, and an upholstery cover applied on said foam layer, comprising the steps of forming said upholstery cover by stitching together a plurality of lengths of upholstery cover, positioning the sewn upholstery cover on a convex positioning surface of a positioning member withholding the sewn upholstery cover on said positioning member by means of a first suction system, setting said positioning member with the sewn upholstery cover withheld thereon by suction in a bottom die of a foaming die, deactivating said first suction system and withholding the upholstery cover on a concave positioning surface of said bottom die by means of a second suction system, extracting said positioning member from said bottom die leaving said upholstery cover positioned and withheld by suction on said concave positioning surface, positioning a rigid supporting element on a plunger of said foaming die and closing the plunger on said bottom die so as to

Abstract: For a skin, a non-foamed polyurethane resin layer at the surface side and a foamed polyurethane resin layer between the non-foamed polyurethane resin layer and a base member are configured to form an integral and uniform layer over an extent from an injection point to a distant point on a surface of the base member, so that an integral skin foam in which such skin layer and foamed layer are laminated can be molded, under an atmospheric pressure, in a single process, allowing for manufacture of a laminate article with a high degree of uniformity over an appreciable wide range of the article, as well as for provision of a laminate mold goods having the skin and foamed layers formed with a high uniformity along the base member, over the length in a flow direction of skin forming material.

Abstract: A method includes dispensing a first polymer or predominantly polymer material foam precursor and allowing the precursor to rise and at least partially set to form a foam core layer for an insulation board, the foam core layer having a first density. The method further comprises dispensing a second polymer or predominantly polymer material foam precursor and allowing the second precursor to rise and set to form a core layer for a cover board, the core layer for the cover board having a second density greater than the first density. The second foam precursor may include polyisocyanurate. The method may also include feeding facer materials over the precursors to form facers on the core layers. Such insulation boards and cover boards may be cut to length and installed on a roof.

Abstract: The invention relates to a bushing for sealing a strand-shaped element (10), in particular one or more lines, in an opening (14) of a wall (15), comprising a foamed sealing body (40), which completely surrounds the strand-shaped element (10) and defines a volume, and a fastening body (20) for fastening the bushing to the wall (15), characterised in that the fastening body (20) is made of a different material than the sealing body (40), the volume defined by the scaling body (40) is delimited on one side at least along a portion of said side and is connected at least by bonding to the sealing body (40) along said portion.

Abstract: The invention is directed toward a chemical mechanical polishing/planarizing (CMP) brush with an embedded mandrel. PVA foam injected into the substantially hollow mandrel expands through apertures in the mandrel to fill a mold in the desired shape of the brush with the foam in the mandrel being integral with the outer foam covering the brush.

Abstract: The present invention is a method of manufacturing a foam molded product in which a foam molded product (1A, 1B) is formed by integrally adhering together a foam body (2) that is formed by the foaming of a foaming raw material, and an air-permeable component (3) using an apparatus for manufacturing a foam molded product (1A, 1B) that is provided with a cavity (23) between a plurality of mold components (21, 22, 31) that is defined by respective cavity surfaces (21a, 22a, 31a) of the mold components (21, 22, 31).

Abstract: Disclosed is a porous polyimide membrane of a three-layer structure having two surface layers (a) and (b) and a macrovoid layer interposed between the surface layers (a) and (b), wherein the macrovoid layer has a partition wall joined to the surface layers (a) and (b) and plural macrovoids surrounded by the partition wall and the surface layers (a) and (b), with an average void diameter in a membrane plane direction of from 10 to 500 ?m; each of the partition wall of the macrovoid layer and the surface layers (a) and (b) has a thickness of from 0.1 to 50 ?m and has plural pores having an average pore diameter of from 0.01 to 5 ?m, the pores being communicated with each other and also communicated with the macrovoids; and the membrane has a total membrane thickness of from 5 to 500 ?m and a porosity of from 70 to 95%.

Abstract: Low-loss printed circuit boards, low-loss wide-band antennas, and manufacturing methods thereof are provided by using a resin as a board material. A resin material (101) having a predetermined shape is prepared in a molding step, and the resin material (101) is foamed in a foaming step. As a result, a skin layer (111) and a foamed part (112) are formed. Since the skin layer (111) does not allow close contact of plating, the skin layer (111) is removed in the shape of a conductor pattern in a skin-layer removing step to expose the foamed part (112) in the interior. Electroless plating is carried out in a conductor-layer forming step; and, as a result, plating is brought into close contact with the foamed part (112) having an anchor effect, and a conductor layer (120) is formed.

Abstract: The invention relates to a microporous membrane. The membrane can have an average thickness of 23 ?m or more, an air permeability in a range of about 20 sec/100 cm3 to 100 sec/100 cm3, a pin puncture strength of 2,450 mN or more, and a heat shrinkage ratio of 12% or less at 105° C. The membrane can be produced from a polyolefin solution made by combining a membrane-forming solvent and at least one polyolefin resin containing polyethylene having a viscoelastic angular frequency ??0#191 of at least about 0.01 rad/sec.

Abstract: A process for producing silicone foam, involves a reaction mixture in which hydrogen is released in a first reaction of compounds with at least one Si—H group in the presence of a basic catalyst. The reaction mixture is crosslinked in a second reaction in the presence of a metal catalyst.

Abstract: A writing instrument comprising a writing utensil and associated handles interconnected to each other to allow a user to selectively position the writing utensil in either an extended position of use or a closed position of storage, as well as a variety of positions there between. In an open position, the handles may be positioned adjacent one another with the writing utensil extended longitudinally away from the adjacent handles in a position of use. In a closed position, the handles may be positioned adjacent to the longitudinal length of the writing utensil, with the writing utensil at least partially enclosed between the handles in a position of storage. The rotation of the handles about the writing utensil allows a user to manipulate the handles in a variety of ways, similar to that of a “butterfly knife” or similar device comprising balisong style openings.

Abstract: For a skin, a non-formed polyurethane resin layer at the surface side and a foamed polyurethane resin layer between the non-foamed polyurethane resin layer and a base member are configured to form an integral and uniform layer over and extent from an injection point to a distant point on a surface of the base member, so that an integral skin foam in which such skin layer and foamed layer are laminated can be molded, under an atmospheric pressure, in a single process, allowing for manufacture of a laminate article with a high degree of uniformity over an appreciable wide range of the article, as well as for provision of a laminate mold goods having the skin and foamed layers formed with a high uniformity along the base member, over the length in a flow direction of skin forming material.

Abstract: An interior trim component is provided that includes substantially parallel ribs, and a cushion coupled to the substantially parallel ribs such that the interior trim component is capable of bending in a direction substantially perpendicular to an orientation of the substantially parallel ribs. The cushion includes an integral outer skin.

Abstract: A baffle or reinforcer includes a carrier configured to be disposed in a cavity and a fixation mechanism disposed on the carrier and configured to at least partially support the carrier in the cavity. The fixation mechanism defines an opening for receiving an expandable material. The fixation mechanism has an anti-return device configured to prevent at least a portion of the expandable material from escaping through the opening during expansion. A method includes inserting the carrier into the cavity, injecting the expandable material into the cavity via the opening in the fixation mechanism, expanding the expandable material within the cavity, and preventing at least a portion of the expandable material from escaping through the opening during expansion.

Abstract: A polyurethane composite material and a method for forming the same are disclosed. The method for forming the polyurethane composite material includes forming a leather layer having a polyester resin; and forming a foam encapsulating at least an implant in the mold. The polyurethane composite material has the leather layer, which is formed on a surface of the foam, and the foam is formed by polyurethane, and the hardness of the leather layer is 3 H to 5 H and more than the hardness of the foam. The polyurethane composite material of the present invention has a leather layer, so as to avoid pores or cracks on a surface of final products, reduce additional processing, improve production rate, and enhance strength of final products.

Abstract: A foam roofing underlayment is provided with a reinforcement membrane having an array of fastener elements for engaging fastener elements on a flexible roof membrane. The underlayment is formed by molding foam between the reinforcement membrane and a carrier membrane. The underlayment in secured to the roof using washers having fastener elements for engaging the fastener elements of the flexible roof membrane. An anti-peel flap with fastener elements is provided around the periphery of the washers. A slip sheet is used between the underlayment and the flexible roof membrane to permit accurate positioning of the flexible roof membrane prior to engagement of the fastener elements. The interstices between the fastener elements provide lateral moisture paths to vents in the flexible roof membrane.

Abstract: A method of forming an essentially tubular blowable plastics parison comprises injection moulding an essentially tubular parison around a mould surface. Means for injecting flowable plastics material to said injection mould at an injection station to form a parison within said mould surface are used. These comprise a plurality of individual injectors, with at least a secondary injector being capable of injecting a different composition from the remaining primary injectors.

Abstract: A method for producing a foamed article including a supporting element, a foam layer, and an upholstery cover applied on said foam layer, comprising the steps of forming said upholstery cover by stitching together a plurality of lengths of upholstery cover, positioning the sewn upholstery cover on a convex positioning surface of a positioning member withholding the sewn upholstery cover on said positioning member by means of a first suction system, setting said positioning member with the sewn upholstery cover withheld thereon by suction in a bottom die of a foaming die, deactivating said first suction system and withholding the upholstery cover on a concave positioning surface of said bottom die by means of a second suction system, extracting said positioning member from said bottom die leaving said upholstery cover positioned and withheld by suction on said concave positioning surface, positioning a rigid supporting element on a plunger of said foaming die and closing the plunger on said bottom die so as to

Abstract: A method for forming a device (10) that fits into a person's ear canal, that carries sound from a pipe (B) of a speaker assembly (A) into the person's ear canal, and that blocks environmental noise. A first elastomeric material (14) is molded around an elongated core (16) to form a device body (12) with an outer surface that can seal to a person's ear canal. In one method, the first elastomeric material of the body is a soft foamable material and the core is a previously-formed tube (16) of a stiffer second elastomeric material, with the body bonded to the tube by being molded around it, either in a mold cavity or by extrusion through an extrusion head. In another method, the elastomeric material of the body is a non-foam, and the core (96) is a rigid pin that is removed from the earplug body after the earplug body has at least partially solidified.

Abstract: The invention relates to a trim element. It relates to a trim element having a visible side (12) formed of a skin (10), the element comprising a skin (10) laid on a plastic foam (24) bonded to the skin by a continuous bonding layer (26) formed spontaneously at the skin-foam interface during the foaming operation, the skin (10) having a preferential rupture initiator comprising at least one scored feature. Throughout the region in which the scored feature lays, the bonding layer (26) is in contact only with the skin (10) and the foam (24), and, at the scored feature and in the direction of the thickness of the skin, the bonding layer (26) is laid over the opening with a thickness very much smaller than the depth of the scored feature. Application to the interior trim of motor vehicles.

Abstract: The foamed article is produced starting from a core layer (1) which comprises a flexible, open-cell foam having voids forming at least 90% of the volume of the open-cell foam. The core layer (1) is applied in a mold (6, 8), optionally together with an upper (3) and/or a lower cover layer (2), between a lower (5) and an upper mold surface (9) thereof. The mold (6, 8) is closed and a curable, foamable composition (7) is allowed to foam in the mold to produce a further foam filling the voids of the open-cell foam. In order to enable to use less foamable composition (7) to fill the voids of the open-cell foam, the core layer (1) is laid onto the lower mold surface (5) and the foamable composition (7) is sprayed onto the core layer (1) lying onto the lower mold surface so that the foamable composition (7) can penetrate at least partially by gravity into the open-cell foam core layer (1).

Abstract: A method of forming a baffle or reinforcement comprises molding an expandable material in a first cavity of a mold and molding a carrier material onto the expandable material in a second cavity of the mold.

Abstract: The invention pertains to a method for manufacturing an interior trim component that features a special injection molding process and a selective back-foaming process.

Abstract: Disclosed is a mold for foam molding capable of making the operation to attach a reinforcing member to an inner surface of a mold easier, capable of sufficiently preventing entry of foam synthetic resin between the reinforcing member and the inner surface of the mold at the time of foam-molding, and capable of preventing the reinforcing member from becoming wrinkled; and also provided is a method for producing a foam-molded member which has a reinforcing member using this mold for foam molding. A mold 20 for foam molding is used to foam-mold a seat pad 1 which is provided with a seat pad main body 2 and a reinforcing member 10 disposed on the back side of the seat pad main body 2. At the time of foam-molding, the reinforcing member 10 is disposed inside the mold 20 and an end edge of the reinforcing member 10 is secured to the inner surface of the mold 20 by a securing means.

Abstract: The present invention relates to a continuous process for producing a profile comprising at least one core made of a polyurethane foam or a mixture comprising a polyurethane foam, at least one jacket made of at least one thermoplastic material, and optionally at least one foil between core and jacket, to a profile produced via said process, to the use of this profile for producing windowframes, doorframes, or in the fitting-out of interiors, or in apparatuses in which, during operation, temperature differences arise between interior space and exterior space, and also to an apparatus for carrying out the process of the invention.

Abstract: A disclosed method of manufacturing an image display element structure includes a coating step of coating a substrate surface including a plurality of recessed portions arranged at predetermined intervals, with a coating material that is plastic-deformable, in such a manner as to maintain spaces in the recessed portions; and an expanding step of forming gaps in the coating material coating the substrate surface by expanding gas in the spaces, wherein the gaps correspond to the recessed portions; and a peeling step of peeling off the coating material in which the gaps have been formed, from the substrate surface.

Abstract: Disclosed is a process for production of a colored polyimide molded article including the steps of molding a polyamic acid solution composition containing a polyamic acid solution obtained from at least a tetracarboxylic acid component and a diamine component and a coloring precursor, or a polyimide solution composition containing a polyimide solution and a coloring precursor; and then thermally treating a molded product at 250° C. or higher.

Abstract: An engine includes a breather conduit, an intake conduit, and an air filter assembly. The air filter assembly includes a case and a filter element. The case includes a first opening for receiving the breather conduit, and a second opening for receiving the intake conduit. The filter element includes a first aperture, a second aperture, and filter media at least partially defining an interior chamber of the filter element. The first and second apertures of the filter element are at least partially aligned with the first and second openings of the case, respectively. The filter element is positioned in the case such that the breather conduit and the intake conduit are directed to or from the interior chamber of the filter element, such that air filtered by the filter media mixes with unfiltered gases from the breather conduit in the interior chamber of the filter element prior to entering the intake conduit.

Abstract: A method for preparing an asymmetric porous material by depositing a porous material film on a flexible substrate, and applying an anisotropic stress to the porous media on the flexible substrate, where the anisotropic stress results from a stress such as an applied mechanical force, a thermal gradient, and an applied voltage, to form an asymmetric porous material.

Abstract: An injection mold is provided for the production of an injection molding having a stiff plastics layer and a foamed-plastic surface layer, with at least one undercut region and comprising two mold halves and comprising one or more sliding elements, which delimit a mold cavity with a convex and a concave side. Whereby, there is a first sliding element provided on the convex side of the mold cavity, and this sliding element has been designed so as to interlock with the first mold half more distant from the undercut region, and is movable with this same mold half, in the same direction, after the injection of the stiff plastics backing layer and of the polymer melt forming the foamed-plastic surface layer, in the step of decompression of the polymer melt forming the foamed-plastic surface layer.

Abstract: An automobile wallpaper, and an exterior surface finishing agent for the door trim, seats, and so on, of automobiles, as well as its manufacturing method. To manufacture such automobile wallpaper, a printing process is performed on the surface of a surface material which is currently being used, in order to render a three-dimensional effect to the surface, so as to achieve various luxurious appearances. The three-dimensional effect of the printing is maintained even during the molding process, and it also possesses excellent properties relative to sound absorbency, due to the three-dimensional effect of the surface.

Abstract: A soundproofing cover that has a sufficiently high soundproofing performance and that allows another member to be reliably attached to the soundproofing cover with a screw-fastening structure is provided. The soundproofing cover includes a cover body, a sound absorbing layer made of a urethane foam and formed integrally with the back surface of the cover body, and a nut member having a threaded hole that opens at both sides of the nut member in an axial direction. The nut member is embedded in the cover body in a manner such that an opening of the threaded hole in the nut member at a first end in the axial direction opens at a front surface of the cover body and an opening of the threaded hole at a second end in the axial direction is blocked by a blocking portion that is formed integrally with the cover body.

Abstract: Provided are, among other things, systems, methods and techniques for manufacturing sheet material. In one representative embodiment, a sheet of fabric material is positioned across a patterning template that has a number of openings; and the sheet of fabric material and the patterning template are fed through an extrusion device in which extrusion material coats the fabric material and forces the fabric material into the openings in the patterning template, thereby producing a composite sheet material.

Abstract: A process and a facility for manufacturing foam molded resin articles are provided which facilitate for a secondary material at least partially formed of a synthetic resin to be arranged so as to extend along a curved surface of a mold inner surface, and further to be released from the mold after molding. Circuit-shaped rails (10) are laid on the floor of a factory, and a wagon (11) is installed so as to be movable along the rails (10). The wagon (11) carries a foam molding mold (12), and a secondary material heating device (14) which contains a secondary material (13) made of a synthetic resin and can heat the secondary material (13) to a temperature not less than a temperature at which the flexural strength and the flexural modulus of the synthetic resin do not exceed predetermined values.

Abstract: An electrical box includes a top side wall, a right side wall, a bottom side wall, a left side wall, and a rear side wall, At least one check valve is disposed through at least one of the top side wall, the right side wall, the bottom side wall, the left side wall, or the rear side wall. The check valve defines a central opening through which insulation may be introduced to fill an air gap at least one of behind or around the electrical box. The check valve includes a plurality of flexible fingers extending inwardly from the wall to a predetermined location to define the central opening. The flexible fingers are separated from one another by gaps. The flexible fingers are integrally formed with the wall.

Abstract: The present invention provides a vacuum thermoforming process-combined one-step molding method for expandable polypropylene, comprising the steps of silk screen printing on a plastic sheet, subjecting the plastic sheet to vacuum thermoforming to provide a vacuum thermoforming part, and foaming an expandable polypropylene and integratedly molding the expandable polypropylene with the vacuum thermoforming part. The expandable polypropylene vacuum thermoforming product produced by the method according to the present invention exhibits an improved impact resistance, and the production process is more superior.

Abstract: This invention relates to the composition and a solvent-free process for preparing novel imide oligomers and polymers specifically formulated with effective amounts of a dianhydride such as 2,3,3?,4-biphenyltetra carboxylic dianydride (a-BPDA), at least one aromatic diamine and an endcapped of 4-phenylethynylphthalic anhydride (PEPA) or nadic anhydride to produce imide oligomers that possess a low-melt viscosity of 1-60 poise at 260-280° C. When the imide oligomer melt is cured at about 371° C. in a press or autoclave under 100-500 psi, the melt resulted in a thermoset polyimide having a glass transition temperature (Tg) equal to and above 310° C. A novel feature of this process is that the monomers; namely the dianhydrides, diamines and the endcaps, are melt processable to form imide oligomers at temperatures ranging between 232-280° C. (450-535° F.) without any solvent.