Abstract: A method for operating a rotary press, comprising a rotor rotatably driven about a vertical axis that has a die-plate and upper and lower rams which, while being guided vertically in guides of the rotor, interact with holes of dies in the die-plate wherein at least one compression station is provided and has an upper and a lower pressing roller past which the presser rams run along and by which they are moved towards the die-bore for the purpose of compacting the material in the die-hole, wherein the upper and lower rams are lifted subsequent to the compression procedure, causing the lower ram to eject a compact from the die and the compact to be stripped by a stripper in the direction of a discharge chute, characterized in that while an compact ejection procedure is under way the upper ram stands upright on top of the compact and is lifted therewith and the stripper seizes the compact laterally while the upper ram is still standing upright on top of the compact.

Abstract: Described herein are apparatuses and methods of creating fibers, such as microfibers and nanofibers. The methods discussed herein employ centrifugal forces to transform material into fibers. Apparatuses that may be used to create fibers are also described. Decsribed herein are fiber producing devices that are capable of producing coaxial fibers.

Abstract: Described herein are apparatuses and methods of creating fibers, such as microfibers and nanofibers. The methods discussed herein employ centrifugal forces to transform material into fibers. Apparatuses that may be used to create fibers are also described. The apparatuses and methods described herein may be used to simultaneously create microfibers and nanofibers.

Abstract: Disclosed herein are a highly uniform spandex and process for making such spandex. More particularly, the polyurethaneurea of which such spandex is prepared has both dialkylurea and cycloalkylurea ends, wherein a chain terminator composition includes a dialkylamine such as diethylamine and a cylcoalkylamine such as cyclohexylamine.

Abstract: Disclosed is aromatic diamine with high purity obtained by efficiently removing impurities and preventing oxidation, and a method for manufacturing the same; and aramid fiber with improved discoloration resistance realized by preventing deterioration in quality even for a long-period exposure to the external environments of sunlight, atmosphere, and moisture, and a method for manufacturing the same.

Abstract: An absorbent product intended particularly for use as a wound dressing comprises an admixture of carboxymethyl chitosan and chitosan wherein the chitosan incorporates at least one antimicrobial agent. Absorbency is provided by the carboxymethyl chitosan and antimicrobial properties by the antimicrobial agent incorporated in the chitosan.

Abstract: A novel spinner, for fiberizing hollow, irregularly-shaped insulating fibers is the subject matter of the present invention. The spinner is unique in a sense that its hole/slot pattern can be done by some standard drilling/milling techniques, which lower the cost of manufacturing. The invention uses two molten glasses (A and B) of different coefficients of thermal expansion, which are moved outwardly around the corresponding gas orifices by centrifugal force in a spinner pot. A stream of pressurized combustion gases is thrust through these central gas orifices to produce a hollow, non collapsible fiber of irregular shape. Molten glass A is introduced from the bottom of the spinner, and molten glass B is introduced above an uppermost flange and by means of centrifugal force, the two glasses A and B are forced upwardly and downwardly, respectively, into fiberizing centers.

Abstract: The present invention provides a process for producing low fibrillating cellulose fibers by a dry-jet-wet spinning process wherein cellulose is treated with a solvent containing imidazolium ionic salt in a spinneret maintained at a temperature of 100-120° C. and the spun fibers drawn to the coagulation bath containing ionic salt with the draw ratio less than 5, to produce fibers with fibrillating index less than or equal to 3.

Abstract: Disclosed is a method of: providing a mixture of a polymer or a resin and a transition metal compound, producing a fiber from the mixture, and heating the fiber under conditions effective to form a carbon nanotube-containing carbonaceous fiber. The polymer or resin is an aromatic polymer or a precursor thereof and the mixture is a neat mixture or is combined with a solvent. Also disclosed are a carbonaceous fiber or carbonaceous nanofiber sheet having at least 15 wt. % carbon nanotubes, a fiber or nanofiber sheet having the a polymer or a resin and the transition metal compound, and a fiber or nanofiber sheet having an aromatic polymer and metal nanoparticles.

Abstract: A novel polycrystalline stoichiometric fine SiC fiber substantially free of impurities is produced using a novel pre-ceramic polymer. The pre-ceramic polymer is prepared by reacting a mixture of chlorodisilane, boron trichloride, and a vinyl chlorodisilane with an excess of hexamethyldisilazane to form the pre-ceramic polymer resin, which may then be melt-spun, cured, pyrolyzed and heat-treated to obtain the finished SiC fiber. The manufacturing process for the production of the fine SiC ceramic fiber allows for flexibility with respect to cross-linking, in that low-cost thermal treatments may replace more complex methods, while obtaining fibers with improved materials properties as compared to currently available SiC fibers.

Abstract: An electrospinning apparatus is described. The electrospinning apparatus has a rotary nozzle mechanism that moves simultaneously along a non-linear track for forming polymeric fibrils, so that the polymeric fibrils can be piled to form a uniform web on a receiving carrier from any receiving angle. Therefore, the electrospinning apparatus resolves problems of the prior polymeric fibrils, such as various distribution and slow production rate. In addition, a method of manufacturing polymeric fibrils in the aforementioned electrospinning apparatus is further described.

Abstract: Systems for pelletizing hot asphaltenes are provided. Asphaltenic hydrocarbons can be dispersed to provide two or more asphaltenic particles. The asphaltenic hydrocarbons can be at a temperature of from about 175° C. to about 430° C. The asphaltenic particles can be contacted with a film of cooling medium. The film can have a thickness of from about 1 mm to about 500 mm. At least a portion of the asphaltenic particles can be solidified by transferring heat from the asphaltenic particles to the cooling medium to provide solid asphaltenic particles. The solid asphaltenic particles can be separated from at least a portion of the cooling medium.

Abstract: The object of the present invention is to provide a method for producing a resin microparticle aqueous dispersion, which can produce monodisperse resin microparticles, does not cause clogging by a product, does not require a high pressure, and has a high productivity. Thus, provided is a method for producing a resin microparticle aqueous dispersion, wherein a fluid having at least one kind of resin dissolved in a solvent with which a resin is soluble and compatible and a fluid of an aqueous solvent join together in a thin film fluid formed between processing surfaces arranged opposite so as to be able to approach to and separate from each other, at least one of which rotates relative to the other, whereby resin microparticles are obtained in the thin film fluid by way of separation/emulsification.

Abstract: In one aspect, the present invention provides a process for forming polymeric nanoparticles, which comprises using a static mixer to create a mixed flowing stream of an anti-solvent, e.g., by introducing a liquid anti-solvent into a static mixer, and introducing a polymer solution into the mixed flowing anti-solvent stream such that controlled precipitation of polymeric nanoparticles occurs. The nanoparticles can then be separated from the anti-solvent stream.

Abstract: A granulation process wherein a liquid is sprayed into a prilling tower (1) by means of a rotating prilling bucket (15) having a perforated side wall (15a), and the liquid jets exiting said perforated side wall are subjected to a vibrating action according to the axial direction (A-A) of the prilling tower (1), while the remaining liquid mass inside the bucket is kept substantially free from said vibrating action. A suitable apparatus is also disclosed, wherein the peripheral side wall (15a) of the prilling bucket (15) is connected to vibration imparting means and has a flexible connection with the frame (15b, 15c) of the bucket.

Abstract: A method and apparatus for the pelletization of plastics and/or polymers, in which a melt coming from a melt generator is supplied via a diverter valve having different operating positions to a plurality of pelletizing heads through which the melt is pelletized. The plurality of pelletizing heads have different throughput capacities and are used sequentially for the start-up of the pelletizing process, with the melt first being supplied to a first pelletizing head having a smaller throughput capacity and then the melt volume flow being increased and the diverter valve being switched over such that the melt is diverted by the diverter valve to a second pelletizing head having a larger throughput capacity.

Abstract: Disclosed are amorphous carbon nanofibers including copper nanoparticles or copper alloy nanoparticles, copper composite nanoparticles prepared by grinding the amorphous carbon nanofibers and implemented as surfaces of Cu-included particles are partially or wholly coated with amorphous carbons, a dispersed solution including the copper composite nanoparticles, and preparation methods thereof and the amorphous carbon nanofibers include nanoparticles including copper, copper nanoparticles or copper alloy nanoparticles, and, the copper composite nanoparticles are implemented as surfaces of Cu-included particles are partially or wholly coated with amorphous carbons.

Abstract: A valve in a mold as to provide a potential airflow pathway either way, the valving having at least a substantially closed condition from which it can be opened by a pressure differential in one direction that is below that which will cause it to open or fail to allow an airflow in the other direction.

Abstract: An apparatus for forming particles from a liquid, including a rotor assembly having at least one surface sized and shaped so as to define at least one capillary. Each capillary has an inner region adjacent an axis of rotation of the rotor assembly, an outer region distal from the axis of rotation, and an edge adjacent the outer region. The rotor assembly is configured to be rotated at an angular velocity selected such that when the liquid is received in the inner region of the at least one capillary, the liquid will move from the inner region to the outer region, adopt an unsaturated condition on the at least one surface such that the liquid flows as a film along the at least one surface and does not continuously span the capillary, and, upon reaching the edge, separates from the at least one surface to form at least one particle.

Abstract: The surface of fine pigment particles is efficiently treated using low energy without causing a cost increase. Provided is a method of treating the surface of fine pigment particles, characterized by maintaining a small gap of 1 mm or narrower between two treating surfaces which are able to get close to and apart from each other and relatively rotate and using the gap between the two treating surfaces which is kept so narrow, as a passage for a fluid to be treated, thereby forming a thin film of the fluid to be treated (forced thin film). Fine pigment particles are formed in this thin-film fluid (forced thin film). The method is further characterized by modifying the surface of the formed fine pigment particles within the thin-film fluid (forced thin film).

Abstract: The apparatus for manufacturing solid particles at a nano level includes a chamber for isolation from an external space, a monoaxial rotary disk disposed in the chamber, a receiving surface at one end of the rotary disk, a material supply mechanism for supplying the material to the receiving surface, a rotary mechanism for applying a centrifugal force to the rotary disk so that the raw material supplied to the receiving surface is produced into a thin film and atomized and scattered from the outer peripheral edge, and a control mechanism for the temperature in the chamber that controls the temperature at least at the outer peripheral edge of the receiving surface and on the side nearer to the center of rotation to a temperature lower than a volatilization temperature of a volatile solvent and the temperature at the outer side therefrom to the volatilization temperature of the volatile solvent or higher.

Abstract: The method for detection of cyanide in water is a method for the detection of a highly toxic pollutant, cyanide, in water using ZnO2 nanoparticles synthesized locally by an elegant Pulsed Laser Ablation technique. ZnO2 nanoparticles having a median size of 4 nm are synthesized from pure zinc metal target under UV laser irradiation in a 1-10% H2O2 environment in deionized water. The synthesized ZnO2 nanoparticles are suspended in dimethyl formamide in the presence of Nafion, and then ultrasonicated to create a homogenous suspension, which is used to prepare a thin film of ZnO2 nanoparticles on a metal electrode. The electrode is used for cyanide detection.

Abstract: A candle includes a vessel of some volume containing some smaller volume of at least one variety of wax beads, having a diameter of less than or equal to 2.35 millimeters and in most embodiments also including a particular fragrance and color pigment. The was beads topped with a solid wax topping. The solid wax topping may cover the entire exposed surface of the candle, holding the wax beads in place during shipping and use and holding the wick in a centralized location.

Abstract: Disclosed is: a single crystalline silicon carbide nanofiber having improved thermal and mechanical stability as well as a large specific surface area which is applicable to a system for purifying exhaust gas, silicon carbide fiber filter, diesel particulate filter having a high temperature stability and may be used in the form of nanostructures such as nanorods and nanoparticles.

Abstract: The present invention relates to a method for preparing a ferrite superparamagnetic nano particle engineered by magnesium doping, and a technique for applying it to hyperthermia cancer cell treatment and the heat shock protein (HSP) self-defense mechanism.

Abstract: In one aspect, the present invention provides a process for forming polymeric nanoparticles, which comprises using a static mixer to create a mixed flowing stream of an anti-solvent, e.g., by introducing a liquid anti-solvent into a static mixer, and introducing a polymer solution into the mixed flowing anti-solvent stream such that controlled precipitation of polymeric nanoparticles occurs. The nanoparticles can then be separated from the anti-solvent stream.

Abstract: A granulator comprising a rotary atomiser for receiving molten material and projecting droplets of the molten material there from; and an impact surface disposed within the trajectory of the droplets and upon which the droplets impact, the impact surface being at a distance from the rotary atomiser and at an angle such that (i) all or substantially all of the droplets impact the impact surface, and (ii) a substantial portion of the droplets are not fully solidified prior to contact with the impact surface.

Abstract: Systems and methods for pelletizing hot asphaltenes are provided. Asphaltenic hydrocarbons can be dispersed to provide two or more asphaltenic particles. The asphaltenic hydrocarbons can be at a temperature of from about 175° C. to about 430° C. The asphaltenic particles can be contacted with a film of cooling medium. The film can have a thickness of from about 1 mm to about 500 mm. At least a portion of the asphaltenic particles can be solidified by transferring heat from the asphaltenic particles to the cooling medium to provide solid asphaltenic particles. The solid asphaltenic particles can be separated from at least a portion of the cooling medium.

Abstract: A method of manufacturing an electrophoretic display sheet, comprising: forming a wall material on a first substrate, the wall material defining a disposing region; disposing a plurality of microcapsules to the disposing region, each of the plurality of microcapsules including an electrophoretic dispersion liquid in a shell; and arranging at least a part of the plurality of microcapsules on the disposing region by rubbing the wall material with a plate to sweep the plurality of microcapsules.

Abstract: An artificial bone composite structure is provided. This structure includes a fibrous matrix that itself includes a plurality of fibers. Also, the structure includes a plurality of hydroxyapatite (HA) particles. These particles are dispersed within the fibrous matrix. Also, the HA particles have controlled size and aspect ratios and are aligned along long axes of the fibers. In some instances, the fibers include poly-(L-lactic acid) (PLLA).

Abstract: A method for producing inorganic spheroidized particles according to the present invention includes a step of producing the inorganic spheroidized particles by means of a diffusion type burner (12), wherein the burner (12) comprises a first raw material supply path (1A), a fuel supply path (4A), a raw material diffusion chamber (9), a primary oxygen supply path (5A), a second raw material supply path (6A), a secondary oxygen supply path (7A), and a combustion chamber (8).

Abstract: Within a cotton candy machine a delay-on-break delay timer is used to delay the de-energization of the spinner-head motor for a predetermined period of time after the heater elements are turned off. Thus, while the heater elements are cooling down, the motor and spinner head continue to rotate. Once the heater elements are cooled to the point where they cannot melt or burn the sugar, then the motor can be de-energized and the spinner head allowed to stop.

Abstract: Arrangement for manufacturing a web-shaped packaging laminate, comprising an extruder arranged so as to extrude a film of polymer material down into a nip between a cooling roll and a counter-roll, and also means of introducing at least one other layer of the packaging laminate into the said nip for joining the film together with the layer. According to the invention, the arrangement comprises an arrangement for covering the cooling roll with a surface layer of a water-based composition comprising a dry matter content. The invention also relates to the method for manufacturing the web-shaped packaging laminate, in which the composition is transferred as a thin layer to the film of polymer material in the nip, while the film of polymer material is still hot.

Abstract: Cellulose granules small enough such that they can be retained in a cigarette filter and capable of carrying sufficient amounts of volatile functional substance and vaporizing it easily. The cellulose granules are obtained from an extrusion granulating step and a spheronizing step, with smaller variability in particle diameter than that of conventional cellulose granules.

Abstract: The present invention provides a method of producing porous structures, particles or matrixes, which may be comprised of one or a plurality of components, an apparatus for carrying out the method and particles formed in accordance with the method. The method is particularly suitable for producing porous composite or pure particles for pharmaceutical applications. In accordance with the method, a composite comprising a material such as a pharmaceutical, a biodegradable polymers and/or a biological agent is formed. The composite must further comprise a material that is soluble in supercritical fluid. Extraction of the supercritical fluid soluble material produces porous structures, which may be in the form of particles or matrixes.

Abstract: The present invention relates to a method for producing beads comprising a material capable of gelation, said meth comprising the steps of: (i) combining (a) a liquid composition comprising a material capable of gelation; and (b) a first hydrophobic phase; (ii) subjecting the liquid composition and the first hydrophobic phase, to means for emulsification in a first reactor by addition of external mechanical energy creating an emulsion comprising individual droplets comprising the material capable of gelation in the first hydrophobic phase (wherein the material capable of gelation provides a discontinuous phase and the first hydrophobic phase provides a continuous phase); (iii) stabilising the droplets by transferring the emulsion from the first reactor to a stabilisation reactor wherein the emulsion obtained in step (ii) is subjected to means for gelation in order to obtain gelation within 5 minutes or less, and the beads are formed.

Abstract: A process for the manufacture of a powder coating comprising the steps of: Preparing a powder coating premix comprising a resin and optionally a crosslinker therefor; Feeding the premix through a melt extruder; Cooling the extruded material; and Comminuting it to fine particles, wherein said process is characterized in that between 1 and 25 wt. % (based on the weight of said premix) of a process liquid is added to the melt extruder, wherein said process liquid is immiscible with at least said resin of the powder coating premix and wherein said process liquid evaporates when the premix leaves the extruder.

Abstract: The present invention relates to a method for production of separation media using a so called Spinning Disc technology wherein the porosities of the beads are optimized in such a way that a desired biomolecule may be separated from a complex sample. The method comprises the following steps: a) feeding a 4-8% polysaccharide solution, which has a viscosity within 350-450 mPas, at 65-75° C. to one or more spinning discs at 3001-3010 rpm to form polysaccharide beads; b) capturing said formed polysaccharide beads in a capturing bath; wherein the porosity of the polysaccharide beads is controlled by varying the temperature of the capturing between 15 and 27° C., preferably between 17.5 and 24.6° C. The method yields porosities that prevent molecules larger than 150 000 g/mol to diffuse into the beads. The invention also relates to separation media produced by the method and use thereof for purification of biomolecules, in particular monoclonal antibodies.

Abstract: A granulation process wherein a liquid is sprayed into a prilling tower (1) by means of a rotating prilling bucket (15) having a perforated side wall (15a), and the liquid jets exiting said perforated side wall are subjected to a vibrating action according to the axial direction (A-A) of the prilling tower (1), while the remaining liquid mass inside the bucket is kept substantially free from said vibrating action. A suitable apparatus is also disclosed, wherein the peripheral side wall (15a) of the prilling bucket (15) is connected to vibration imparting means and has a flexible connection with the frame (15b, 15c) of the bucket.

Abstract: Methods of making ceramic fibers and beads are disclosed.

Abstract: The present invention relates to a composition for cosmetic raw material containing cellulose dyed with a natural coloring matter having improved photostability, and a visual carrier system comprising the same. In the composition for cosmetic raw material and the visual carrier system comprising the same according to the present invention, by using no iron oxide chemical coloring matter and applying a typical and natural dyeing method of cloths to the microcrystalline cellulose that is the cosmetic raw material, photostability that is a problem of the natural coloring matter in the related art is largely improved.

Abstract: The object of the present invention is to provide a method for producing a resin microparticle aqueous dispersion, which can produce monodisperse resin microparticles, does not cause clogging by a product, does not require a high pressure, and has ahighproductivity. Thus, providedisamethodforproducing a resin microparticle aqueous dispersion, wherein a fluid having at least one kind of resin dissolved in a solvent with which a resin is soluble and compatible and a fluid of an aqueous solvent join together in a thin film fluid formed between processing surfaces arranged opposite so as to be able to approach to and separate from each other, at least one of which rotates relative to the other, whereby resin microparticles are obtained in the thin film fluid by way of separation/emulsification.

Abstract: It is an object of the present invention to provide a method for producing microparticles, which can produce monodispersed microparticles, causes no clogging with a product due to self-dischargeability, requires no great pressure, and is excellent in productivity, wherein a fluid in which at least one kind of microparticle materials is dissolved is introduced between two processing surfaces arranged to be opposite to each other to be able to approach to and separate from each other, at least one of which rotates relative to the other, to be formed into a thin film fluid, and the thin film fluid is cooled or heated (warmed) to allow saturation solubility to change, thereby separating microparticles.

Abstract: This invention is directed to an apparatus and method for producing microparticles comprising pharmacologically active agents and biodegradable polymers. The apparatus includes a spinning disk containing a reservoir in the center thereof and a flat inclined surface. The apparatus optionally includes serrations and/or a flat surface beneath the periphery of the disk that is parallel to the rotational axis of the disk. The invention is also directed to a method for producing microparticles containing pharmacologically active agents, using the spinning disk apparatus. Formulations containing ophthalmically active agents are provided. Formulations exhibiting zero order release rates are also described.

Abstract: An electrospinning apparatus is described. The electrospinning apparatus has a rotary nozzle mechanism that moves simultaneously along a non-linear track for forming polymeric fibrils, so that the polymeric fibrils can be piled to form a uniform web on a receiving carrier from any receiving angle. Therefore, the electrospinning apparatus resolves problems of the prior polymeric fibrils, such as various distribution and slow production rate. In addition, a method of manufacturing polymeric fibrils in the aforementioned electrospinning apparatus is further described.

Abstract: The apparatus for manufacturing solid particles at a nano level includes a chamber for isolation from an external space, a monoaxial rotary disk disposed in the chamber, a receiving surface at one end of the rotary disk, a material supply mechanism for supplying the material to the receiving surface, a rotary mechanism for applying a centrifugal force to the rotary disk so that the raw material supplied to the receiving surface is produced into a thin film and atomized and scattered from the outer peripheral edge, and a control mechanism for the temperature in the chamber that controls the temperature at least at the outer peripheral edge of the receiving surface and on the side nearer to the center of rotation to a temperature lower than a volatilization temperature of a volatile solvent and the temperature at the outer side therefrom to the volatilization temperature of the volatile solvent or higher.

Abstract: Provided herein are systems, methods, and compositions for magnetic nanoparticles and bulk nanocomposite magnets.

Abstract: The present invention provides an apparatus and method for manufacturing super high fluidity urethane-based spherical fine powder for powder slush molding by melting and mixing a super high fluidity urethane-based thermoplastic resin at high temperature, passing the thermoplastic resin through micro-sized fine holes to be extruded into a fine diameter, cutting the extruded thermoplastic resin into spherical fine powder having a uniform particle size, and drying the cut spherical fine powder.

Abstract: A device and method for continuous production of cotton candy and automated handling of the cotton candy in a way that collects and condenses the cotton candy into a continuous strand.

Abstract: Reduced levels of drug degradation in drug-containing multiparticulates are obtained by an extrusion/melt-congeal process.