Abstract: A method is provided for making a cushioned article. A base is formed in a female base mold. The base has a substantially smooth exterior and a substantially rough interior surface. A flexible skin is formed by applying at least one carrier solvent free material onto a form. The base and flexible skin are assembled such that a cavity is formed therebetween and a foam material is injected into the cavity such that when the foam material cures, the foam material unites the base with the flexible skin to form the article. A method is also provided for making a cushioned article in which a first carrier solvent free resin mixture is applied to a form to form a first coating, a second carrier solvent free resin mixture is applied to the first coating to form a second coating, a foamable polymeric resin is applied onto the second coating to form a third coating, a binder coating is applied to the third coating and a fiberglass coating is applied onto the binder coating to form the cushioned article.

Abstract: An article including a panel-like structure mountable in an automobile vehicle to form a part of the interior thereof, and a process for making the same are disclosed. According to this process, an outer layer defining at least a portion of the exposed exterior surface of the structure is prepared by applying a water-dispersed composition containing a thermoplastic polyurethane and a heat-activated crosslinking agent onto a mold surface and thereafter drying the composition. Next, a composition comprising (i) a poly(vinyl chloride) resin and at least one plasticizer and/or (ii) a thermoplastic polyurethane resin material is gelled onto an inner surface of the outer layer while on the outer layer is retained on the mold surface. The gelled composition is then fused to form an inner layer interfacially chemically bonded to the outer layer. The inner layer with the outer layer chemically bonded thereto is united with the rigid substrate so that the rigid substrate serves to reinforce the outer layer.

Abstract: A method of an integrated molding by integrally pressurizing and compressing by use of means of an upper mold and a lower mold, by use of a silicone rubber. A silicone rubber has excellent resiliency, thermal resistance, separating ability from the molds and the like. By use of a silicone rubber, a working efficiency for carrying out the integrated molding can be improved and a compressing timing can be easily taken. A method according to the invention comprises steps of: uniformly coating a mixture of a foamed urethane body on a silicone rubber horizontally held; and integrally pressurizing and compressing for a certain period by an upper mold and a lower mold. The step of uniformly coating the mixture is carried out by using a spraying technique. The silicone rubber can be attached on an inner surface of the lower mold by use of means of vacuum suction.

Abstract: High performance silicone rubber windshield wiper blades are provided as a result of molding a tintable platinum group metal catalyzed silicone compositions having an intrinsic viscosity of less than 1.3. Improved lubricity with respect to windshield wiper glass is achieved by a molding procedure which effects a transfer such as a migration, or diffusion of release agent, for example polytetrafluoroethylene, into the surface of the silicone rubber windshield wiper blade.

Abstract: The present invention is a process for making a nanochannel glass (NCG) rica, having the steps of: coating a face of an etched NCG with a replica material (with or without an intervening buffer layer), where the etched NCG face has a plurality of channels arranged in a desired pattern, to form a replica coating on the NCG conforming to the pattern; and removing the replica coating from the etched NCG. The present invention is also the replica made by this process.

Abstract: A process is disclosed for manufacturing a controlled gloss fluoropolymer film by casting a fluoropolymer dispersion onto a support substrate which has been coated with a solution containing a substantially inert particulate material, curing, drying and stripping a fluoropolymer film, which has a controlled-gloss or matte finish from the support substrate. The gloss of the matte fluoropolymer film is dependent upon and controlled by the amount of particulate material in the coating solution.

Abstract: The surface free energy of a polymer blend where a base polymer contains an additive having a different surface free energy than that of the base polymer can be controlled over a wide range of additive surface concentrations by appropriate choice of the mold surface free energy during fabrication. A high surface concentration of additive relative to a low bulk concentration can be achieved, leading to improved biocompatibility without loss of optical clarity.

Abstract: A mandrel of a high frequency heating type, comprising a conductive layer comprising a metal member having an aspect ratio of at least 100, in a proportion of at least 60% by volume, and a surface layer formed thereon which is made from an organic polymer, and a method for producing a rubber hose using the mandrel. Inasmuch as the inventive mandrel enables heating the curable rubber extruded on the mandrel, from the inner surface side thereof, the curing time of the rubber can be drastically reduced. Moreover, since the surface layer of the mandrel is composed of an organic polymer, the mandrel can be easily pulled out from the cured rubber layer. The production method of the present invention is free of the difficulty in heating the inside of the rubber layer. The concurrent application of external heating has accomplished continuous production of rubber hose.

Abstract: Apparatus (10) is disclosed including first and second forming rollers (18, 21) which rotatably abut with an anvil roller (20). The forming rollers (18, 21) each include a periphery forming a continuous forming surface including a plurality of axially and circumferentially spaced grooves (24) each formed as a continuous depression arranged in a serpentine and non-intersecting manner. Food (14) is simultaneously fed between a continuous strip of support material (16) and a continuous ribbon of film material (66) as they pass between a first abutment nip of the first forming roller (18) and the anvil roller (20). After extending partially around the periphery of the first forming roller (18), the materials (16, 66) and the food therebetween pass around an adjustable idler roller (70) to between a second abutment nip of the second forming roller (21) and the anvil roller (20).

Abstract: A method for manufacturing of slabs of granulated stone material and/or sands bound with a resin which can be hardened, and preferably hot with the aid of a catalyst. The mixture of granulated material and/or sand and resin is deposited as a layer of uniform thickness and a predetermined outline onto a support protected by a first sheet of material, and the upper surface of the layer and its sides between the lower surface and its upper surface, is also protected with a similar second sheet of material. Then, the protected layer is subjected to vibratory compaction under vacuum and to a hot hardening process in the presence of the catalyst. The two protective sheets are made of resilient material, particularly of natural or synthetic rubber, such as neoprene, and after hardening of the sheets, the sheets are removed, by pulling them from the covered and protected surfaces of the resulting slab.

Abstract: A method for forming a test specimen from an asphalt concrete mixture includes providing a mold to receive a quantity of the mixture and adding a predetermined quantity of the mixture to the mold. The mixture in the mold is compressed at a pressure of at least about 7 psi while vibrating the mixture in the mold at a rate of at least about 2400 cycles per minute. The method also includes maintaining the vibration of and the application of compressing pressure to the mixture in the mold until the mixture obtains a predetermined mix design density within a range of about 90-97%.

Abstract: A method of making an article from a lightweight cementitious composition includes molding a castable cementitious mixture including an aqueous slurry of at least perlite and concrete into an article, such as a hollow, decorative article. The castable cementitious mixture can include a fibrous material, for reinforcing the cement and perlite, and an air entraining agent, for facilitating mixability and reducing a density of the cementitious mixture and facilitating casting. The mold can include an external mold form that contains the cementitious mixture and an internal mold form that displaces the cementitious mixture within the external mold form to cast the hollow article in various shapes and with various surface textures. The external and internal mold forms include liners made of a lightweight flexible material that can be removed, unfolded, and prepared and/or cleaned.

Abstract: A concrete column forming tube and method of making same for receiving poured concrete column therein to produce a concrete column is characterized by a smooth inside coated surface in the forming tube to eliminate spiral seam lines and other undesirable characteristics on the outside surface of the formed concrete column. The tube is formed from spirally-wound plies of paper adhered together and has a centrifugally-cast epoxy resin coating sprayed onto the inside surface of the spirally-wound tube while the tube is rotating to produce a smooth inside coated surface on the forming tube.

Abstract: A mold for molding a synthetic resin coated with a highly durable thick heat insulating layer, and a molding method using the same are provided. The present invention relates to a mold comprising a base mold comprising a metal, with its inner wall constituting the mold cavity being coated with a heat insulating layer, wherein the heat insulating layer comprises a polymer alloy comprising (A) a heat-resistant non-crystalline resin of a linear high-molecular weight polymer containing an aromatic ring in the main chain thereof and having a glass transition temperature of not lower than 150.degree. C. and an elongation at break of not less than 10% and (B) a cured thermosetting resin at a (A)/(B) mixing ratio of 40/60 to 5/95 by weight; and further relates to a molding method using the mold.

Abstract: A method for producing a plastic material containing a diffractive optic pattern therein including embossing a curable plastic material with a diffractive optic pattern by pressing the curable plastic material against a master having a diffractive optic pattern thereon which is coated with a thin layer of a fluorinated silane, having at least one fluorinated alkyl group bonded to an Si atom and at least one alkoxy or halide group bonded to an Si atom, as a release layer. Also, the master coated with the fluorinated silane and cured plastic, particularly epoxy resins, containing diffractive gratings prepared by the method, preferably on a substrate, such as a waveguide.

Abstract: A method and apparatus for fabricating columns, wherein the apparatus includes a column fabricating assembly and a column extractor. The column fabricating assembly includes a unitary column mold and a mold support assembly. The unitary column mold is reusable and is fabricated specially for the task of fabricating a column therein. Uncured column materials are placed into the unitary column mold and the unitary column mold is enclosed in the mold support assembly. The uncured column materials cure, and thus the column is formed, while the unitary column mold is encased in and spun by the mold support assembly. The unitary column mold is removed from the mold support assembly with the column therein. The column extractor is used to extract the column from the unitary column mold; the unitary column mold is secured by the column extractor and the column extractor pulls the column out of the unitary column mold.

Abstract: A molding method in which a mold releasing agent is diluted by a water solution containing a surfactant, when the mold releasing agent is diluted by water to be used for molding. The molding method can be provided to obtain good wettability to the metal mold, drying ability and mold releasability always with good reproducibility.

Abstract: Improved homogeneity and uniformity of surface energy characteristics in a mold surface for hydrophilic contact lens production is achieved with the temporal application of a surface active agent such as Tween 80, to facilitate wetting of the optical surface of the mold, especially the convex mold, with the reactive monomer mix.

Abstract: Fiber-reinforced composites are made from introducing a fabric into the lower part of an open two-part mold, closing the mold and injecting into the mold under pressure and curing a reactive resin mixture comprising(a) a strained cycloolefin and(b) a ruthenium-containing catalyst.

Abstract: A method of and apparatus for employing a surfactant which is provided in order to assist in the release from each other of mold components of a multi-part mold employed in the molding of polymeric articles; for instance, such as a hydrophilic contact lens, upon completion of the molding process for the polymeric articles. The surfactant is applied in the form of a film or coating on surface portions of one of the mold components in order to facilitate the disengagement between the mold components during demolding, and the removal of excess polymeric molding material adhesively deposited on surfaces thereon.

Abstract: A mold tool (40) includes a lower platen (10) and an upper platen (18) which have modified surfaces (16) and (20), respectively. The modified surfaces are formed by implanting an implant species (14) at least into areas of the platens which will be in contact with a molding compound resin. By modifying the surface of the molding tool by ion implantation, the need for cleaning the mold tool is reduced due to lower surface friction and wettability of the modified surfaces. These surface characteristics also facilitate easier release of the molded package from the tool. At the same time, wear resistance of the mold tool is improved due to increased surface hardness.

Abstract: This invention provides a method of molding which can feed the high-viscosity material quickly and accurately as well as with good operability. For achieving quick heating and cooling cycles in a mold, the mold is constructed from a mold material having superior heat-conductivity in such a way that the high-viscosity material can be heated and cooled from outside of the mold.Thereby, this invention comprises:a step for preparing a mold fabricated with high orientation graphite material,a step for feeding high-viscosity material into the recess portion for molding inside said mold in the non-molten state,a step for heating and melting the high-viscosity material in the recess portion via said mold from the outside, anda step for cooling the molten high-viscosity material via said mold and molding it into a desired shape.

Abstract: A method for fabricating a model includes the steps of stacking successive layers of aluminium honeycomb core to a desired height to form a block, machining the block to within a desired tolerance of the desired final contour, applying a layer of modeling material such as syntactic epoxy to the outer surface of the block, and machining the layer of modeling material to the desired contour. The result is a model from which a mold or composite parts can be fabricated, using high temperature and pressure processes if desired.

Abstract: A plate for press-moulding dies of refractory bricks and the like, including a bearing metal slab to one face of which a lining of high wear-resistant material, normally hard metal, is applied, which is formed by a number of adjacent tiles arranged in an orderly way along parallel lines. The adjoining sides between adjacent tiles are at least in part curved.

Abstract: A method for forming a foamed innerspring unit is provided including releasably securing a plurality of coils to a jig, delivering a foamable reaction mixture to a tray and positioning the jig so that the ends of the coils extending away from the jig are spaced from the bottom of the tray so that the rising foam embeds the end of the coil. The process is repeated by releasing the foamed layer embedding one end of the coils, releasably holding the first foam layer with the ends thereof spaced from a tray having said foamable reaction mixture therein so that the second end of the coils is embedded a second foam layer. A mattress formed of a plurality of innerspring unit sections formed in accordance with the foregoing may be combined within a cover to define a mattress. By selecting the firmness of the coils of adjacent sections, regions of differing firmness can be provided in the mattress.

Abstract: Described are molds, dies and forming tools comprising: a) a heat exchanging body support member; and b) within the support member, a molding cavity portion formed by thermal spraying metallic particles to a desired configuration in the support member. Also described are methods of making a mold, die or forming tool comprising the steps of: a) providing a body support member having a controlled and designed porosity which permits the enhancement of the heat transfer ability of said mold, die or forming tool; b) configuring a surface of the support member to a desired cavity; and c) spraying particles to the configured cavity in the support member, thereby producing a mold, die or forming tool. Preferably, the materials of construction are metallic and are applied by thermal plasma spraying. The particles may also be ceramics, metal matrix composites, ceramic matrix composites, thermoplastic resins, thermoset resins, and composites based thereupon.

Abstract: A method is disclosed for the production of a molded article, using a mold assembly including a mold having a cavity, for producing a molded article from a thermoplastic resin; an insert block formed of ceramic or glass having a thermal conductivity of 2.times.10.sup.-2 cal/cm.sec..degree.C. or less, the insert block being disposed inside the mold, constituting part of the cavity, and having a thickness of 0.5 mm to 10 mm; and a cover plate for covering a peripheral portion of the insert block. The cover plate is attached to the mold and constitutes part of the cavity, wherein a clearance between the insert block and the cover plate is 0.001 mm to 0.03 mm, an amount of overlapping of the insert block and the cover plate is at least 0.1 mm. The method includes filling a molten thermoplastic resin in the cavity, and then cooling the thermoplastic resin to solidness.

Abstract: A molded article of rigid polyurethane foam is manufactured by using a mold of separable upper and lower mold sections mated to define a cavity therebetween. A film of polypropylene which is previously vacuum formed in conformity to the mold cavity is closely set within the cavity and secured to the lower mold section outside the cavity. A rigid polyurethane foam-forming raw material is introduced into the cavity and on the film and caused to foam and expand in place to mold an article of rigid polyurethane foam. Thereafter, the molded article is lifted together with the film from the mold cavity by a pneumatic pressure or ejector pin. The molded article is stripped from the film to remove only the molded article from the mold without taking the entire film out of the mold. The once lifted film is returned to the original shape by vacuum suction for replacing the film in the cavity.

Abstract: A method for manufacturing a resin product with a mold having at least two molds opposed to each other. Each of the molds 5 has a cavity surface defining a space therebetween. The method includes the steps of performing an ionic nitriding treatment to at least a part of at least one cavity surface to form fine projections and recesses therein. A nitride layer is provided on the one cavity surface. The method further includes filling the space with a plastic resin material, solidifying the resin material, and removing the solidified resin material from the mold.

Abstract: The present invention is directed to a process for the production of moldings from plastic forming materials in metal molds comprising coating at least a portion of the internal walls of the mold with an external mold release agent, introducing the plastic forming material into the mold, closing the mold, and removing the product from the mold, the improvement wherein the external mold release agent comprises one or more organic compounds the molecules of contain on a statistical averageA) from 0.5 to 1.2 polar groups selected from the group consisting of --CN, --NC, --NCO, --CNO, --OCN, --SCN and --NCS andB) at least one non-polar hydrocarbon chain with at least 12 carbon atoms, which chain may be at least partially fluorinated, and which may be interrupted by heteroatoms and/or carbonyl groups.

Abstract: A process of continuously packaging a thermoplastic composition such as a pressure sensitive hot melt adhesive. The method includes the steps of (a) forming a thermoplastic film to a rigid mold wherein said film becomes molten at or below the usage temperature of a hot melt adhesive composition, and the mold is in contact with ambient air; (b) dispensing hot melt adhesive into the lined mold; (c) disposing a thermoplastic film on the surface of the mold to form a packaged hot melt adhesive; (d) allowing the hot melt adhesive to reach a state in the presence of ambient air such that the packaged hot melt adhesive is removable from the mold.

Abstract: A composition useful as a release agent for hydraulic binders is provided. The composition comprises water, an oil component comprising a water-immiscible monohydric alcohol component liquid at temperatures of 5.degree. to 15.degree. C. and selected from the group consisting of unsaturated fatty alcohols containing 12 to 22 carbon atoms and having iodine values of 40 to 170, Guerbet alcohols containing 16 to 28 carbon atoms, oxoalcohols containing 8 to 15 carbon atoms, and saturated alcohols containing 6 to 10 carbon atoms, and 0.5 to 5% by weight of an emulsifier, based on the oil component. The release agent is particularly useful for the treatment of formwork material in concrete construction.

Abstract: A method of application of finning preventive agent in an apparatus for casting anodes for electrolyzing copper by pouring molten copper into the molds, in which the inner planes of the molds can be coated with the finning preventive agent in a reliable and efficient manner, is provided. Before pouring molten copper into the molds, silicon oil is automatically applied to the inner planes 2a.sub.1 to 2a.sub.10 of the molds M dividedly in three applications by industrial robots 24, 25 of a vertical multi-articulate type having brushes 30. An amount of silicon oil consumed is 4 to 10 cc for one mold.

Abstract: A method of manufacturing a medical prosthetic article by injecting a thermoplastic resin into the cavity of a plaster mold, comprising the steps of: confining first and second plaster molds having porous structures respectively in first and second mold bodies made dividable from each other, the first and second plaster molds defining therein a cavity having first and second inner faces, a contour of a medical prosthetic article to be molded, a sprue runner communicating with the cavity, and an air vent communicating with the cavity; sealing up the cavity not only from the ambient air but also from the porous structures of the first and second plaster molds, when the first and second mold bodies are closed; evacuating the cavity through the air vent; and injecting a thermoplastic resin through the sprue runner into the cavity under a predetermined degree of vacuum.

Abstract: A method of producing magnetic soft ferrite of the general formula: M.sub.x Zn.sub.1-x O.Fe.sub.2 O.sub.3 (M stands for one or more of Cu, Mn, Ni, Fe, Co and Mg; and X is in the range of 0.4-0.7) by melting and casting is disclosed. Melting is carried out under controlling evaporation of Zn-component in the material of the ferrite by disposing Zn-source around the material, sealing up the melting chamber as tight as possible, or under a pressurized gas atmosphere so as to obtain the product having uniform and precise composition.

Abstract: A method and apparatus for fabricating columns, wherein the apparatus includes a column fabricating assembly and a column extractor. The column fabricating assembly includes a unitary column mold and a mold support assembly. The unitary column mold is reusable and is fabricated specially for the task of fabricating a column therein. Uncured column materials are placed into the unitary column mold and the unitary column mold is enclosed in the mold support assembly. The uncured column materials cure, and thus the column is formed, while the unitary column mold is encased in and spun by the mold support assembly. The unitary column mold is removed from the mold support assembly with the column therein. The column extractor is used to extract the column from the unitary column mold; the unitary column mold is secured by the column extractor and the column extractor pulls the column out of the unitary column mold.

Abstract: A process for the injection molding of objects having an outer layer of enamel and an inter layer of a plastic material is disclosed. According to the process, a liquid enamel is used. This enamel is injected by an enamel-injection apparatus through an enamel-injection die. A plastic melt passes through an injection unit into the cavity. According to the invention, the liquid enamel is injected into the flow path of the melt in the region before the cavity, before the melt is injected, so that the melt is encased by enamel before it is distributed in the cavity. Variations are also disclosed. For example, the form can be filled with enamel and the excess enamel drained. Then, the melted plastic material is introduced into the injection molding form. Also, the form can filled and then the capacity of the form increased to accommodate the melted plastic material. In any case, it is possible to use liquid enamels to enamel injection molded parts in the tool or form.

Abstract: An apparatus and process for making metal oxide sputtering targets from volatile and thermally unstable metal oxide powder by enveloping the metal oxide powder in at least one layer of a barrier material while the powder is hot-pressed using a graphite die assembly.

Abstract: A mold 11 having an inner surface coated with a heat insulating film 14 excellent in heat insulation and conformability to a molten resin 20 is clamped with the other mold 12 to form a molding cavity 13. When the molten resin 20 is cooled and solidified in the cavity 13, heat transmission through the mold 11 is suppressed by the film 14 so that a skin layer 23 preferentially grows at the side of the mold 12. Hence, the volumetric shrinkage of the resin 20 during cooling and solidification is selectively absorbed in the deformation of the skin layer 23 separated from the inner surface of the mold 12. As a result, an obtained product has a smooth front surface free from defects such as sink marks. The heat insulating film 14 exhibits the effect to eliminate weld lines, too.

Abstract: A method for producing a wall, roadway, sidewalk or floor of cementitious material having the appearance of natural stone and mortar including a base with an outer surface with a plurality of irregular shaped protrusions disposed in a random pattern to simulate natural stones and a plurality of simulated grout lines formed therebetween, the method including the steps of preparing a cementitious material, pouring the cementitious material into a form, vibrating the cementitious material, allowing the cementitious material to cure forming the base with the outer surface, releasing the base with the plurality of irregular shaped protrusions disposed in the random pattern to simulate natural stones and the plurality of simulated grout lines formed therebetween from the form, coloring the outer surface and accenting the plurality of simulated grout lines.

Abstract: An apparatus and method for manufacturing articles made of polyurethane that includes a mold assembly in communication with a mix chamber. The mix chamber is positioned below the mold assembly. The mix chamber includes a propeller for mixing the liquid polyurethane chemicals. The mix chamber further includes a pneumatically actuated bladder that causes the mixed chemicals to move from the mix chamber to the mold assembly. The chemicals expand to take on the shape of the mold. The method of the present invention comprises the steps of: (a) selecting polyurethane chemicals having certain specific weights; (b) placing said chemicals in a mix chamber wherein chemicals stratify according to their specific weights to prevent detrimental reaction among the chemicals until final mixing; and (c) allowing the chemicals to expand to form an article.

Abstract: An apparatus for forming surface texture on contoured surfaces includes a laminar, dimensionally stable, flexible mold having an impression of the surface texture to be formed on one side thereof. An adhesive material is provided on the side of the mold opposite that having the impression of the surface texture for adhering the mold to a recipient surface. A plurality of backing strips are provided on the adhesive backed side extending transversely to the longitudinal axis of the mold and are individually removable from the mold.

Abstract: The invention is in the field of three-dimensional hollow novelty items and their manufacture, particularly items such as artificial pumpkins that the consumer desires to carve or alter after purchase. Disclosed is a carvable novelty article, such as an artificial Halloween pumpkin, comprising a polyurethane shell substantially surrounding an interior volume and having a thin, elastomeric coating, such as an acrylic, on the exterior surface of the shell. The carvable article can be formed by an inventive process in which polyurethane foam material, such as material having a nominal density of about 2.5-3.0 pounds per cubic foot, is sprayed from a nozzle rotating with respect to the inside of a mold. After the polyurethane foam article and the mold are separated, the article is coated with an elastomeric coating, such as an acrylic material that is applied as a liquid.

Abstract: A multi-ply structure which includes a release coating sandwiched between two plies of the structure and present in an amount of about 5 to about 25 g/sq yd., one of the plies of the structure being flexible and in contact with the release coating and removable therefrom by the application of a force of between about 90 to about 600 g/in., as determined by the Keil test procedure, including a composition for forming the release coating and comprising an aqueous coating composition which includes a solids portion and which is effective in forming a coating having release properties, the solids portion of the composition comprising a major amount of resin binder and a minor amount of filler, the filler comprising a major amount of clay and a minor amount of magnesium or calcium hydroxide, and including also a continuous process for forming such multi-ply structure, including particularly a structure comprising a poly(vinyl chloride) ply strippable from a support ply.

Abstract: A helmet making process includes the steps of opening the upper die with flash gates; heating the upper and lower dies in a oven with the use of an endless conveying device; inserting shape-molded plastic upper and lower shells respectively into the lower and upper and lower dies; filling a polyurethane mixture into the upper shell; shaking the upper and lower dies; heating the upper and lower dies to allow the polyurethane mixture to be foamed completely; piercing the foamed polyurethane through the air holes in the upper die; removing the semi-finished helmet; cooling the semi-finished helmet in air; cutting off the flashes and projected portions and recessed portions of the upper and lower shells; trimming and surface-treating the semi-finished helmet to form a finished helmet.

Abstract: A decorative sheet for construction is disclosed. The decorative sheet for construction comprises a thermoplastic polyester resin foam forming a surface layer, a large number of inorganic aggregates scattered over the surface of the foam in the presence of an adhesive, said inorganic aggregates forming a decorative face layer by the medium of the adhesive, and a backing layer formed on the decorative face layer. The decorative sheet of the present invention enablesits decorative face layer with a backing layer to be reliably and readily transferred to the surface of concrete construction or products, and yet which enables a foam layer as a protective layer for the decorative face layer with a backing layer to be readily removed after application. A decorative concrete product for construction using the same, and processes forpreparing them are also disclosed.

Abstract: A process for the production of a wood composite, such as fiberboard, having improved surface characteristics includes the application of an alkali metal salt, e.g. an alkali metal carbonate. The process also reduces the amount and integrity of carbon film that generally forms in the die during consolidation, making the die significantly easier to clean.

Abstract: The present invention provides an aqueous mold-releasing agent which exhibits an excellent mold-releasing property with a small applied amount thereof without causing roughened surfaces of molded articles. Said agent comprises at least one of the fluorine-containing sulfonates in combination with a wax and/or a silicone oil, said sulfonates being represented by the following formula (I):(XSO.sub.3).sub.l M (I), wherein X is any one of the following fluorine-containing groups: ##STR1## and C.sub.m F.sub.2m+1 (CH.sub.2).sub.n -(n:0-2, m:1-12), M is an alkali metal, an alkaline earth metal, zinc, an alkylamine, an alkanolamine or ammonium, and l is 1 or 2.

Abstract: A method for producing SMC where a multilayered, multistructured, multipolymer release/barrier film is used as a polymeric film. The multilayered, multistructured, multipolymer release/barrier film is preferably produced by multilayered cast extrusion process. The tensile strength of the multilayered, multistructured, multipolymer release/barrier film should not be less than 8000 psi when tested to ASTM D882. Preferably, the film should inhibit styrene transmission at a rate no less than 2.0.times.10.sup.-11 g. cm/cm.sup.2 -hr. as tested per ASTM F739-81 and a surface tension level not to exceed 30 dynes/cm when tested in accordance with ASTM D2578.

Abstract: The present invention relates to an improved transfer molding method for encapsulating semiconductor, electrical and optical devices with epoxy or other thermoset resins wherein liner film is provided over the surfaces of the package cavities, runners, and pot prior to inserting the preform tablet in the pot and the devices in the package cavities.