Abstract: A process for shaping, by compaction, a fibrous structure obtained by three-dimensional or multilayer weaving between a plurality of layers of warp yarns and a plurality of layers of weft yarns. The yarns of each plurality of layers of warp yarns and layers of weft yarns are coated with a sizing composition. The shaping includes a pre-compaction stage followed by a stage of final compaction of the fibrous structure. During pre-compaction and final compaction, the fibrous structure is at a temperature greater than or equal to the softening temperature of the sizing composition. The process further includes the cooling of the fibrous preform obtained after final compaction of the fibrous structure.

Abstract: An optical sensor assembly is provided. The optical sensor assembly includes a circuit board, an optical sensor positioned on the circuit board, and a front cover attached to the circuit board and covering the optical sensor. The front cover includes an optical element configured to guide or condense an incident light of a predetermined wavelength onto the optical sensor. The front cover is made of polypropylene or polyethylene. The predetermined wavelength is in a range from 8 micrometers to 12 micrometers.

Abstract: The present invention relates to a heterostructure, in particular, a piezoelectric structure, comprising a cover layer, in particular, a layer of piezoelectric material, the material of the cover layer having a first coefficient of thermal expansion, assembled to a support substrate, the support substrate having a second coefficient of thermal expansion substantially different from the first coefficient of thermal expansion, at an interface wherein the cover layer comprises at least a recess extending from the interface into the cover layer, and its method of fabrication.

Abstract: Compositions, methods, and resins using alkyl aldehydes and phenols are provided herein. In one embodiment, a composition comprising an alkylphenol resin can be prepared by condensing at least one phenolic monomer selected from the group consisting of phenol, cresol, resorcinol, xylenol, ethyl phenol, alkylresorcinols, and combinations thereof; and at least one alkyl aldehyde having from 5 to 12 carbon atom alkyl groups. The alkylphenol resins of the application are free of octylphenol or nonylphenol monomers. In one embodiment, the alkylphenol resins may be prepared using formaldehyde, and alternatively, in another embodiment, the alkylphenol resins may be prepared without the use of formaldehyde. The process to make these new alternative alkylphenol resins is a cost effective process and easy to scale-up.

Abstract: A method for producing a salt core includes a step A of adding a saturated sodium chloride aqueous solution to a sodium chloride crystal that is granular, to prepare a slurry mixed material of sodium chloride and water, a step B of subjecting the slurry mixed material to pressure molding to obtain a molded article, and a step C of drying the molded article to remove moisture.

Abstract: An object of the present invention is to provide a method for obtaining a golf ball having excellent impact durability. The present invention provides a method for producing a golf ball, comprising a first step of kneading (a) a base rubber, (b) an ?,?-unsaturated carboxylic acid having 3 to 8 carbon atoms and/or a metal salt thereof as a co-crosslinking agent, (c) a crosslinkable compound having two or more polymerizable unsaturated bonds in a molecule thereof, and (d) a crosslinking initiator to prepare a core rubber composition; a second step of producing the spherical core from the core rubber composition at a molding temperature in a range from 100° C. to 150° C.; and a third step of molding the at least one cover layer covering the spherical core on the spherical core.

Abstract: A composition comprising, a rubber component selected from the group consisting of a rubber polymer, a synthetic rubber polymer, and combinations thereof; and an alkylphenol resin which is a reaction product of: at least one phenolic monomer selected from the group consisting of phenol, cresol, resorcinol, xylenol, ethyl phenol, alkylresorcinols, and combinations thereof; and at least one alkyl aldehyde having from 5 to 12 carbon atom alkyl groups, is disclosed. The composition can be used to prepare articles of manufacture such as tires, tire treads, tire shoulders, tire sidewalls, rubber belts, and rubber hoses.

Abstract: The invention relates to the technical field of artificial stone surfaces, in particular to an artificial glass surface, which is made from the following raw materials in parts by mass: 0-30 parts of a quartz material, 40-70 parts of a glass material, 5-15 parts of a modified silicone resin, 8-15 parts of an unsaturated polyester resin, and 5-14 parts of additional raw materials. The artificial glass surface employs recycled glass material as its main stone source, which contributes the conservation of mineral resources, and reduces production costs; the product is of higher quality.

Abstract: The present invention provides a method for preparing an artificial glass surface, which includes the following steps: step A: mixing a glass material and a silane coupling agent to obtain an initial glass material mixture. Step B: heating a silicone resin, mixing with the initial glass material mixture thoroughly to obtain a secondary glass material wrapper. Step C: adding an unsaturated polyester resin, a curing agent, a filler pigment, and a quartz material to obtain a glass surface premade material. Step D: pressing the glass surface premade material, curing to obtain the artificial glass surface. In this invention, the quality of the product is maintained at a high level, mineral resources are conserved, and production cost is lowered.

Abstract: A composition comprising, a rubber component selected from the group consisting of a rubber polymer, a synthetic rubber polymer, and combinations thereof; and an alkylphenol resin which is a reaction product of: at least one phenolic monomer selected from the group consisting of phenol, cresol, resorcinol, xylenol, ethyl phenol, alkylresorcinols, and combinations thereof; and at least one alkyl aldehyde having from 5 to 12 carbon atom alkyl groups, is disclosed. The composition can be used to prepare articles of manufacture such as tires, tire treads, tire shoulders, tire sidewalls, rubber belts, and rubber hoses.

Abstract: A zirconia sintered body is provided having a color tone equivalent to the color tone guides of various natural teeth and having the same aesthetics as a natural front tooth. The present invention provides a colored translucent zirconia sintered body comprising zirconia containing greater than 4.0 mol % and not greater than 6.5 mol % of yttria, less than 0.25 mol % of erbia, less than 2,000 ppm of iron oxide in terms of Fe2O3, less than 0.01 wt. % of cobalt oxide in terms of CoO, and less than 0.1 wt. % of alumina; the zirconia sintered body having a relative density of not less than 99.90%, a total light transmittance of not less than 25% and less than 40% for light having a wavelength of 600 nm at a sample thickness of 1.0 mm, and a strength of not less than 500 MPa.

Abstract: A nitrile group-containing copolymer rubber contains ?,?-ethylenically unsaturated nitrile monomer units in a ratio of 10 to 60 wt % and has a Z-average radius of gyration of 100 nm or more. Preferably, the nitrile group-containing copolymer rubber has an iodine value of 120 or less. Further, preferably, the nitrile group-containing copolymer rubber has a plasticity number of 14 to 90. It is possible to provide a nitrile group-containing copolymer rubber able to give a cross-linked rubber excellent in tensile stress, compression set resistance, and low heat buildup property.

Abstract: A dual cure, all epoxy adhesive that is both photochemically and thermally curable is disclosed. The adhesive may comprise at least about 93% by weight of one or more polymerizable epoxides, a catalytic amount of a photo-acid generator (PAG) configured to induce acid-catalyzed polymerization of the polymerizable epoxide when exposed to UV or visible light, about 0.01% to about 1% by weight of a redox agent, and a catalytic amount of a thermal acid generator (TAG) configured to induce acid-catalyzed polymerization of the polymerizable epoxide in the presence of the redox agent when exposed to a temperature at or above about 70° C.

Abstract: A low-temperature fast-fired lightweight ceramic heat insulation plate and a preparation method thereof. The preparation method comprises: performing ball milling and powder spraying on a raw material containing foamable ceramic waste slag to prepare foamable powder, the foamable ceramic waste slag accounting for 80-100 wt % of the weight of the raw material; uniformly mixing 100 weight portions of the foamable powder with 3-15 weight portions of granular powder of a low-melting-point organic matter to obtain mixed powder materials; pressing the mixed powder materials under 10-20 MPa to prepare a ceramic green body; and firing the ceramic green body at a temperature of 1100-1170° C. to prepare the lightweight energy-saving ceramic heat insulation plate.

Abstract: An improved polymerization process using a specific molecular weight regulator makes it possible to produce new nitrile rubbers featuring particularly low emission values and giving vulcanizates which have an advantageous profile of properties and which are of outstanding quality, in particular in odor-sensitive applications.

Abstract: The invention relates to coloured ceramic bodies and a method for obtaining these coloured ceramic bodies. The method of the invention comprising the following steps: providing a composition comprising a technical ceramic material, a first pigment component and optionally binder materials, preparing a green body from this composition, optionally debinding the green body, thereafter subjecting the green body to a treatment with a metal-containing preparation as a further pigment component, and sintering the treated green body. The coloured technical ceramic body of the present invention consists of a technical ceramic material, the technical ceramic body comprising a first coloured area and a second coloured area of a different colour, whereby the first coloured area contains a first pigment component, and the second coloured area contains a second pigment component which is formed from the first pigment component and the further pigment component.

Abstract: An improved polymerization process using a specific molecular weight regulator makes it possible to produce new nitrile rubbers featuring particularly low emission values and giving vulcanizates which have an advantageous profile of properties and which are of outstanding quality, in particular in odor-sensitive applications.

Abstract: The invention relates to a method for making cemented carbide or cermet parts, comprises mixing a binder system with cemented carbide powder or cermet powder to form a feedstock, and injection molding or extruding the feedstock to form the cemented carbide or cermet parts, wherein the binder system comprises 30-60 wt % olefinic polymers, 40-70 wt % waxes, and 2.5-10 wt % petroleum jelly CAS 8009-03-8, the feedstock has a solids loading of ?=0.54-0.56.

Abstract: A gate valve is configured to have a first fluid flow path. In a state where a gate valve pin is at a first pin position, a front end section on an injection hole side of the gate valve pin closes an injection hole. In a state where the gate valve pin is at a second pin position that is more distant from the injection hole than the first pin position, a front end section opens the injection hole to make communication between the first fluid flow path and the injection hole and thereby form a resin supply line. In a state where a sleeve is at a first sleeve position and the gate valve pin is at the first pin position, a second fluid flow path is formed in the gate valve to connect an injection hole-side end of the first fluid flow path to outside of the gate valve and is made to communicate with the first fluid flow path and thereby form a cleaning line.

Abstract: A first die is filled with a mixed powder that is a mixture of a basic metal powder and a low-melting-point lubricant powder, the internal dimension of the first die being smaller than the internal dimension (=100%) of a second die by 1 to 5%. A first pressure is applied to the mixed powder in the first die to form a mixed powder intermediate compressed body. The mixed powder intermediate compressed body is heated to the melting point of the lubricant powder. A second pressure is applied to the heated mixed powder intermediate compressed body in the second die that has been pre-heated to the melting point of the lubricant powder to form a high-density mixed powder final compressed body.

Abstract: The present disclosure provides a method of forming a flame retarded composite article using a halogen-free thermosetting composition comprising a benzoxazine compound, a monobenzoxazine monomer, and a naphthalene epoxy. The flame retarded composite article formed is especially suited for use in aerospace, automobile, rail and marine applications.

Abstract: A thermally conductive polymer composition comprising (1) a polymer material, and (2) a thermally conductive filler. The thermally conductive filler can be boron nitride. The thermally conductive polymer composition can be used in a molding operation to form a molded article and can reduce the molding cycle time of a molding process. In one embodiment, increasing the thermal conductivity of a polymer material (as compared to the thermal conductivity of the material in the absence of a thermally conductive filler) increases the thermal diffusivity and reduces the cooling time of the article. The present invention also provides methods of forming molded articles from such compositions.

Abstract: A method includes providing a mold defining a mold cavity for receiving material to be molded into a molded part, positioning an insert at least partially in the mold such that a portion of the insert defines a portion of the mold cavity, and injecting the material into the mold cavity to substantially fill the mold cavity to form the molded part. The molded par can then be removed from the mold and the insert can be removed from the molded part. The mold can include silicone and the insert can include polyoxymethylene.

Abstract: The invention relates to a modified planar cell with a solid-oxide solid electrolyte, a gas-diffuse anode, a cathode, a metal or oxide current path and a current-gas supply. The supporting solid electrolyte of the cell is in the form of a corrugated plate consisting of corrugations. In cross-section, the corrugations of the plate constitute an isosceles, identical-height trapezium, without a larger lower base with holes. The holes are formed on one side in the upper part of each corrugation, for supplying one of the reagents, e.g. fuel in case of a fuel cell. The corrugations are connected to one another at their base in order to form gas space channels of the cell. The gas space channels are in the form of inverted isosceles trapezia without a larger upper base and the angle ? at their smaller base is 0.1 to 89.9°. The corrugated plate is connected to two opposing walls, a front wall and a rear wall.

Abstract: A precision cassette plate, which is an integral component of a mold assembly in an injection molding system, is designed to secure a predetermined number of components fabricated in an injection molding process. The precision cassette plate is designed with two pre-alignment holes and two precision position anti-rotational features that guarantee accurate placement of the precision cassette plate each time at each stage of the manufacturing/assembly process.

Abstract: An epoxy resin composition [composition (C)] comprising: (i) from 30 to 90% by weight of at least one epoxy compound [compound E], based on the total weight of the composition (C); (ii) from 0 to 60% by weight of at least one curing agent [agent C], based on the total weight of the composition (C); (iii) from 0 to 15% by weight of at least one accelerator, based on the total weight of the composition (C); (iv) from 1 to 60% by weight of at least one poly(aryl ether sulfone) (I) [PAES (I-1)], based on the total weight of the composition (C) and wherein said PAES (I-1) polymer comprises amine functional groups in an amount equal to or more than 200 ?eq/g; (v) from 1 to 60% by weight of at least one poly(aryl ether sulfone) (I) [PAES (I-2)], based on the total weight of the composition (C), and wherein said PAES (I-2) polymer is different from the PAES (I-1) polymer.

Abstract: To prevent defective molding, a base member is set between split molds of a metal mold, a molding rubber material is injected into an endless shape cavity defined between the base member and the split mold, an injection amount thereof is made such that the molding rubber material fills the cavity and thereafter flows from an air vent hole open to a confluence position in the cavity into a surplus material reservoir provided downstream but does not fill the surplus material reservoir, pressure drop due to flow resistance is caused to the molding rubber material flowing into the surplus material reservoir, and thereby pressure in the cavity is maintained to be not lower than pressure required to mold a gasket and lower than pressure causing leakage from the cavity.

Abstract: A process for producing a fiber reinforced resin which comprises placing at least a reinforcing fiber substrate in a cavity of a mold, injecting a resin into the cavity, and curing the resin, characterized in that a substrate for forming a skin layer, and a resin distribution medium, which is located between the substrate for forming the skin layer and the reinforcing fiber substrate and in which the ratio of the coefficient of impregnation thereof to that of the substrate for forming the skin layer is 1.5-10, are disposed on at least one surface of the reinforcing fiber substrate via an interlayer having a cover factor of 90%-100% and comprising at least one woven fabric. The process diminishes pinhole generation in the skin layer in RTM, and can reduce the necessity of a repair step in, e.g., a painting step as a later step, thereby improving productivity.

Abstract: A micro silicone mold mounted plunger injection system comprises a silicone cartridge assembly, a micro plunger injection assembly and a cold deck nozzle assembly. In this system, these three components are interconnected directly such that it has a greatly reduced material flow path length and diameter. The system is capable of displacing an amount of material in a single shot substantially equal to the desired shot weight required to make a component.

Abstract: An injectable hydrogel composition comprising: water; and poly(vinyl alcohol) chemically cross-linked with a second polymer to form a cross-linked resin, wherein the second polymer is selected from the group consisting of: a polyhydric alcohol compound, a polyvalent epoxy compound, a polyvalent amine compound, a dialdehyde compound, a diisocyanate compound, and mixtures thereof, wherein the cross-linked resin has a degree of cross-linking of from about 0.0001 mol/mL to about 0.002 mol/mL, and wherein the hydrogel is flowable when heated above its melting point.

Abstract: Composite polymeric articles significantly larger than the size of a compression molding press are produced by providing a plurality of expandable pillows interposed between an upper plate and the upper exterior surface of an outside the press upper mold. The upper plate has a plurality of downwardly extending paired vertical arms attached to opposite sides of the upper plate. Each vertical arm has a lower portion having a eyelet (or aperture), and each pair of vertical arms together forms an aligned pair of eyelets. When the upper and lower mold portions are pressed together, the eyelets reside below the exterior lower surface of the outside the press lower mold portion. Each eyelet is dimensioned to reversibly receive a horizontal or lateral arm that is deployed below the exterior lower surface of the outside the press lower mold portion.

Abstract: A method comprises providing a mold comprising a surface with at least one identification region, the at least one identification region comprising at least one identification feature that has a lateral dimension of 100 microns or less; and molding an item from a moldable material using the mold, such that the at least one identification region is transferred to a surface of the item.

Abstract: An article containing N-acylchitosan is manufactured by a process comprising the steps of providing a mixture containing chitosan and/or N-acylchitosan, and extruding the mixture to form an N-acylchitosan hydrogel. Alternatively, the process comprising the steps of providing a chitosan and/or N-acylchitosan hydrogel, and extruding the hydrogel. An article with a memorized shape is formed by fixing the N-acylchitosan hydrogel in a desired shape, and at least partially drying the fixed hydrogel. A patient is treated by injecting the N-acylchitosan hydrogel.

Abstract: A testing method is disclosed. The testing method includes: providing a mixture solution of a gelling agent and a microbe to a gelling device; solidifying the mixture solution to form a solid thin film in which the microbe is immobilized; supplying a bioactive agent to the solid thin film and allowing the bioactive agent to diffuse into the solid thin film; and imaging the individual responses of the single microbial cells to the bioactive agent, and determining the minimum inhibitory concentration (MIC) of the bioactive agent based on the analysis of the images to obtain AST results.

Abstract: A top-gate molding system for encapsulating semiconductor devices includes a plurality of mold cavities formed between a middle plate and a bottom plate, and a runner system formed between an upper plate and the middle plate. The runner system includes a runner with a plurality of reservoirs along its length, with a gate extending from each of the reservoirs to one of the cavities. A particle trap is positioned on the bottom of the runner between a sprue and a first one of the reservoirs, to capture contaminating particles in a flow of molding compound before the particles enter any of the reservoirs. The particle trap can be, for example, a notch or a channel extending transversely across the bottom of the runner, or a dummy reservoir upstream of the first of the plurality of reservoirs.

Abstract: The present disclosure provides a halogen-free thermosetting composition including a benzoxazine compound, a monobenzoxazine monomer, and a naphthalene epoxy. The halogen-free thermosetting composition is especially suited for use in aerospace, automobile, rail and marine applications.

Abstract: A micro silicone mold mounted plunger injection system comprises a silicone cartridge assembly, a micro plunger injection assembly and a cold deck nozzle assembly. In this system, these three components are interconnected directly such that it has a greatly reduced material flow path length and diameter. The system is capable of displacing an amount of material in a single shot substantially equal to the desired shot weight required to make a component.

Abstract: Disclosed herein is a method of feeding carbon nano tubes (“CNTs”) to a fluid wherein the CNTs are provided in the form of a powder of tangled agglomerates of CNTs, the powder of tangled agglomerates is fed to a dosing chamber, a pressure pulse is applied to the dosing chamber to expel the CNTs from an outlet of the dosing chamber in such a way that the agglomerates are at least partially disintegrated by the pressure and accompanying shearing forces, and the CNTs are fed into said fluid to distribute the CNTs in the fluid and form a composite material.

Abstract: The invention discloses a method of manufacturing a microneedle including the steps of forming an island etching mask having thickness distribution on a substrate, and processing the substrate into a needle by taking advantage of a difference in etching rates between the etching mask and the substrate. The invention enables to readily control a point angle and height of the manufactured needle.

Abstract: To provide a polyarylene sulfide resin composition which contains decreased amount of chlorine, which has a high fluidity and generates small flashes at the time of molding, which has an excellent heat resistance, which can resist heat-processing under the condition of a high temperature, which has moldability at a low mold temperature, a molded article of which has an extremely small change in surface hue before and after reflow.

Abstract: An injectable hydrogel composition comprising: water; and poly(vinyl alcohol) chemically cross-linked with a second polymer to form a cross-linked resin, wherein the second polymer is selected from the group consisting of: a polyhydric alcohol compound, a polyvalent epoxy compound, a polyvalent amine compound, a dialdehyde compound, a diisocyanate compound, and mixtures thereof, wherein the cross-linked resin has a degree of cross-linking of from about 0.0001 mol/mL to about 0.002 mol/mL, and wherein the hydrogel is flowable when heated above its melting point.

Abstract: A sulfur-containing material in a melt state is stored in material hopper heated to a temperature within a preset temperature range of which a lower limit is equal to or above a melting point of sulfur. The stored sulfur-containing material is sucked by pressure generators and pulled out into cylinders heated to a temperature within the preset temperature range. The pulled out sulfur-containing material is pushed out from the cylinders under pressure applied by the pressure generator, and thereafter, the resultant material is injected into mold heated to a temperature within the preset temperature range. An injection port of the mold after the sulfur-containing material is fully injected is closed. By stopping heating of the mold, the sulfur-containing material is slowly cooled. After that, a modified sulfur concrete substance formed by cooling and solidifying the sulfur-containing material is taken out from the mold.

Abstract: A molded gasket includes a base having an upper surface and a lower surface. The base includes a first portion and a second portion. A bulb portion is integrally formed with the base and extends from the upper surface of the base. The gasket further includes a dart assembly integrally formed with the base and extending from the lower surface of the base. The dart assembly includes a first barb portion extending from the first portion of the base and a second barb portion extending from the second portion of the base.

Abstract: Method and apparatus for casting a concrete product with a substantially horizontal slipform casting process, wherein the concrete mix is fed at least in one step through a limited cross-section moving progressively along with the cast, whereby the height of the product forming part (1) is changed during the cast. The invention also comprises a product forming part (1) having an adjustable height.

Abstract: Disclosed is a casting mold comprising at least two adjoining molds that enclose a hollow space, the cavity, which is accessible from the outside via at least one inlet duct and into which liquid casting material can be injected or pressed, and at least one vent opening that extends from the cavity to the outer surface of a mold, points approximately in the direction in which the hardened cast part is removed from the mold, and is closed by a pin-type breather. The face of the breather facing the cavity is perforated by small air holes which are permeable to air while retaining the liquid casting material and which are connected to the outer surface of the breather.

Abstract: A method for producing leather pellets, and a method for producing compound granules from leather pellets and a polymer material, for use in molded parts or films. The leather pellets are produced through the following steps: Shavings, crust leather remnants and finished leather waste are obtained as waste products in leather production and finished leather processing; the shavings, crust leather remnants and finished leather waste are milled into ground leather stock comprising leather fibers; the ground stock is pressed into leather pellets; and the leather pellets are dried to a residual moisture content of no more than 30% by weight. The leather pellets can be mixed with a polymer material at a ratio of 10-95% by weight and bonded to one another and shaped forming compound granules. The compound granules can be used to produce molded parts by injection molding or films by calendering.

Abstract: Materials, apparatus and methods of forming structural components for consumer electronics devices are described. In one embodiment, ceramic fibers, such as alumina, are mixed with a thermoplastic, such as nylon, to form a composite material usable in an injection molding process. The volume percent of ceramic fibers used with the thermoplastic can be selected to improve the strength properties of the composite material. Pigments can be added to the composite material to affect its aesthetic appeal. In one embodiment, the composite material including the ceramic fibers can be used to form frame components usable in a consumer electronic device. The frame components can be load bearing structures that are externally visible or used within the interior of the device.

Abstract: A mould for producing bone cement pellets, the mould comprising a plurality of complementarily shaped mould segments which fit together to make a composite mould having a plurality of individual mould cavities and one or more injection ports for feeding, in use, hardenable bone cement to said mould segments and said plurality of individual mould cavities.

Abstract: A method for evaluating rubber is provided which can evaluate the degree of crosslinking of a crosslinked rubber product within a short period of time without performing any specific treatment. In the above method, the amount of energy shift of the peak (such as the peak of C12p3/2 of chlorinated butyl rubber) of a constituent element of the rubber is measured by photoelectron spectroscopy, and the degree of crosslinking of the rubber is evaluated from the amount of energy shift. In addition, a method for manufacturing a rubber product is also provided which includes the steps of measuring the amount of energy shift of the peak of a constituent element of the rubber product by a photoelectron spectrometer which is installed in a manufacturing line and then feeding back measurement result to adjust heat molding conditions so as to obtain a desired degree of crosslinking.

Abstract: A method for injection moulding or extrusion of cemented carbide or cermet parts with a solids loading of ?=0.54-0.56, using a binder system, includes 30-60 wt-% olefinic polymers, 40-70 wt-% waxes. The binder system further contains 2.5-10 wt-% petroleum jelly. A binder system for injection moulding or extrusion of cemented carbide or cermet parts, including 30-60 wt-% olefinic polymers, 40-70 wt-% waxes and further containing 2.5-10 wt-% petroleum jelly is also disclosed.