Abstract: Methods and apparatus adjustably control the repositioning of non-homogeneous fluid conditions across the stream of a laminar flowing fluid to a desirable circumferential position. The invention is particularly applicable to controlling non-homogeneous melt conditions at about the intersection of two flow channels in systems having hot or cold flow channels. Various mechanisms are provided that enable simple adjustments of a flow diverter within a fluid rotation device, making either static or dynamic adjustments, so that the degree of fluid flow repositioning in a runner system can be changed without the need for mold disassembly or retooling. Various forms of actuators effect adjustment and may be manually manipulated or manipulated through various powered devices.

Abstract: An apparatus and method for manufacturing an object with a varying concentration of particles, with a defined concentration profile are disclosed. In an embodiment, the object with varying concentration of particles is manufactured by mixing liquids comprising different particle concentrations, the proportion in which such liquids are mixed being varied over time. The resultant liquid is cast or extruded into the required shape to form the object with a varying concentration of particles.

Abstract: Processing aides for extrusion and/or injection molding are described. In particular, nanoparticle processing aides, including surface-modified nanoparticle processing aides are described. Methods of using such nanoparticle processing aides in extrusion and injection molding processes are also described.

Abstract: A method for making a polyamide composition, in particular for molding, prepared by mixing a polyamide material, a powder made from airbag scraps, and optionally reinforcing fillers is desribed. Also described, is a method for recycling used airbags.

Abstract: The application relates to polymeric antistatic agents for use in polymer moulding compositions, as well as moulding compositions containing these antistatic agents, the antistatic agents having good compounding properties and being inexpensive to produce, wherein the antistatic agent is an antistatic agent of the general formula (I) having a polymeric cationic polyelectrolyte constituent produced from diallyldialkylammonium compounds and an anionic counterion A?, in which R1 is uniformly or mutually independently C1-C18 alkyl, A? is an acid anion, and n is a whole number from 10 to 1000.

Abstract: A plasticizing screw for injection molding according to the present invention is installed in an injection molding machine that performs injection molding by plasticizing thermoplastic resin feedstock containing reinforcement fibers, and includes a shaft, a main flight, and a sub-flight. The protrusion height of the main flight from the circumferential surface of the shaft is formed to be constant in at least an area in which the sub-flight is provided.

Abstract: The invention relates to a method for coloring thermoplastic molding compounds, preferably a polymethyl(meth)acrylate molding compound, using novel aqueous colorant preparations. The invention further relates to a novel water-based colorant preparation.

Abstract: The present invention provides a polybutylene terephthalate resin composition having both low warpage and high durability in a cold cycle environment. Specifically, relative to 100 parts by weight of a polybutylene terephthalate resin (A) having 30 meq/kg or less of the amount of terminal carboxyl groups, there are added a carbodiimide compound (B) in an amount of 0.3 to 2 equivalents of the carbodiimide functional group when the amount of carboxyl terminal group in the polybutylene terephthalate resin (A) is set as 1, 20 to 100 parts by weight of a fibrous filler (C), and 15 to 65 parts by weight of a thermoplastic resin (D) of one or more selected from polycarbonate resin and polyethylene terephthalate resin.

Abstract: A fire retardant molding contains a thermoplastic compound and an inorganic flameproof agent that is mixed with the thermoplastic compound and which acts by separating from water, having a proportion in the range of 10 wt % to 90 wt %. The fire retardant molding is produced by mixing the thermoplastic material with an inorganic flame-proofing agent, the flame-proofing agent having a proportion in the range of 20 wt % to 80 wt %, and by outputting the compound obtained by mixing, in particular as a flat product. The fire retardant molding is advantageously used, for example, in or on land-based vehicles, water-based vehicles, aircraft and buildings.

Abstract: A molded resin product for a vehicle structural member or an aircraft structural member according to the present invention is formed by injection-molding of thermoplastic resin feedstock containing reinforcement fibers by using a screw provided at a leading end portion thereof with a mixer protruding in a radial direction. In the injection-molded product, the reinforcement fiber content ratio is greater than or equal to 20% by weight and the weight-average fiber length of the reinforcement fibers in an evaluation target area having a certain size is greater than or equal to 1 mm and less than or equal to 3 mm.

Abstract: A biodegradable cigar tip comprises an open upstream end configured to surround a downstream end of a cigar, the cigar tip having a mouth end optionally comprising a substantially flat cross-section, the cigar tip comprising a molded biodegradable material. The biodegradable material may consist of pressed cellulosic fibers with an outer surface of the cigar tip coated with a plastic film, wax coating or other waterproof coating such as a sugarcane pulp film. Alternatively, the biodegradable material may consist of an injection molded biodegradable resin such as a starch-filled resin wherein the starch-filled resin includes polypropylene or polyethylene and non-soluble starch selected from corn, tapioca, wheat, potato, plant sourced oligomer, or plant sourced polysaccharide or mixture thereof.

Abstract: The subject disclosure presents systems and methods for manufacturing a non-porous thermoformable polyurethane solid by combining an uncured polyurethane resin with Aluminum Trihydrate (ATH), a plurality of particulates, molecular sieves, and color particulates. This combination is mixed in a vacuum for a time period sufficient to initiate an exothermic reaction within the mixture. After the time period, the exothermically reacting mixture is allowed to cure to form the polyurethane solid. The curing may occur in a mold, i.e. by pouring or injecting the mixture into the mold. Alternatively, the mixture may be sprayed on to a surface and allowed to cure.

Abstract: A composition includes a blend of (a) a multi-block copolymer including at least one block of an elastomeric polymer and at least one block of a first polymer including a chiral polymer having a stereo isomeric configuration; and (b) a second polymer including an anti-chiral polymer corresponding to the chiral polymer in (a), wherein the second polymer includes an opposite handed stereo isomeric configuration to the chiral polymer in (a); wherein the blend of the chiral polymer and the anti-chiral polymer form stereo complex sites. A flexible tubing material further includes the blend. In an embodiment, a method of making the blend material is also provided.

Abstract: Electric motor components are formed of a conductive loaded resin-based material. The conductive loaded resin-based material comprises micron conductive powder(s), conductive fiber(s), or a combination of conductive powder and conductive fibers in a base resin host. The percentage by weight of the conductive powder(s), conductive fiber(s), or a combination thereof is between about 20% and 50% of the weight of the conductive loaded resin-based material. The micron conductive powders are metals or conductive non-metals or metal plated non-metals. The micron conductive fibers may be metal fiber or metal plated fiber. Further, the metal plated fiber may be formed by plating metal onto a metal fiber or by plating metal onto a non-metal fiber. Any platable fiber may be used as the core for a non-metal fiber. Superconductor metals may also be used as micron conductive fibers and/or as metal plating onto fibers in the present invention.

Abstract: A method manufactures solid ink sticks by forming a solid ink paste and injecting the paste into a mold having internal cavities. The solid ink paste can be formed by mixing liquid ink and solid ink in a barrel of an injection molding machine. The liquid ink is formed by melting solid ink particulates in the barrel with a heated conveyor and the solid ink particulates are maintained in a solid phase by cooling a portion of the barrel. Movement produced by the heated conveyor mixes the liquid ink and the solid ink in an area between the cooled portion of the barrel and the heated conveyor.

Abstract: The present invention relates to a method for the accelerated production of thermoplastic molded bodies containing additives in reproducible quality, particularly for the accelerated production of dyed thermoplastic molded bodies with high color consistency.

Abstract: An additive for an ultraphobic polymeric composite is provided. The additive can have an aspect ratio of greater than about 15:1, and a surface free energy of less than about 20 J/m2. In addition, no single dimension of the additive is greater than about 50 micrometers. Upon mixing with a polymeric material having a viscosity of less than about 3000 cP and a surface tension of greater than about 35 mN/m to form a polymeric composite, the additive can bloom to the air interface surface of the polymeric composite to form surface roughness and an ultraphobic surface on the polymeric material.

Abstract: A polymer-based color changing article manufactured by injection, extrusion or similar methods that comprises transparent polymer matrix, polymeric color changing enhancer additive distributed within the polymer matrix that does not change its optical properties and a chemical compound capable of reversible changing its original color due to a photochemical reaction. The polymer-based color changing article can be used for applications such as lenses, color changing protective shields or sheets for controlling the intensity of light irradiation within a room, car, greenhouse, games, toys, memorabilia, packages for light sensitive food, beverages, and drugs.

Abstract: The invention relates in general to biomass derived compositions and methods of applying such biomass derived compositions to protect polymeric materials from degradation due to ultraviolet (“UV”) radiation or light and weathering. More particularly, the invention relates to the use of cotton gin waste to protect polymeric composites from degradation due to UV radiation and weathering. One embodiment of the present invention includes dusting the surface of liquid polymeric materials with a cotton gin waste powder to protect the polymeric material from UV radiation induced damage.

Abstract: A process for producing a resin molded article, comprising steps of (1) plasticizing a resin composition containing an organic fiber and a thermoplastic resin with an injection-molding machine, (2) injecting the plasticized resin composition into a mold cavity of the injection-molding machine, and (3) pressure-holding against the resin composition in the mold cavity for a pressure-holding time of 0.5 to 60 seconds under holding-pressure of 70 to 300 MPa.

Abstract: A class of lightweight ballistic protection material and methods of forming such materials are disclosed. The material comprises a composite of polymeric material comprising high modulus resins and ceramic materials. The composite materials offer the advantage of being relatively easy to fabricate and lower in cost than competing materials. Body armor, blast protection panels and other articles comprising the new ballistic protection materials are also disclosed.

Abstract: A polyurethane composite material is described herein. The composite material may comprise a product of a reaction mixture between two or more polyols and an isocyanate, and may contain high levels of inorganic particulate material. Methods of preparing the composite material by forcing the material through a hole are also described. These composite materials may be useful in products such as synthetic building materials.

Abstract: A process for producing a molded article includes the mixing step of mixing a plant material, water and a thermoplastic resin to obtain a molding material, and the injecting and molding step of injecting the molding material in a molding die and molding the molding material with the molding die to obtain the molded article. In the mixing step, a material containing lignin in an amount of 10% by mass or more when the total amount of the plant material is taken as 100% by mass is used as the plant material, the thermoplastic resin is mixed in an amount of 5 to 50% by mass and the plant material is mixed in an amount of 50 to 95% by mass when the total amount of the thermoplastic resin and the plant material is taken as 100% by mass, water is mixed in an amount of 5 to 200% by mass based on 100% by mass of the plant material, and the plant material, water and the thermoplastic resin are nixed while thernofusing the thermoplastic resin.

Abstract: A speaker diaphragm (1) contains a material obtained by adding a cycloolefin polymer resin to a carbon fiber-reinforced liquid crystal polymer. The speaker diaphragm (1) having high sound velocity, a speaker (5), and a production method of the speaker diaphragm (1) can thereby be obtained.

Abstract: Disclosed is a process for a melt processing a polyethylene terephthalate resin characterized by one or more of the following. The polyester particles may have at least two melting peaks wherein one of the at least two melting peaks is a low peak melting point with a range from 140° C. to 220° C., or from 140° C. to 230° C., and having a melting endothermic area of at least the absolute value of 1 J/g. The polyester particles may have one or more melting peaks at least one of which when measured on a DSC first heating scan has a heating curve departing from a baseline in the endothermic direction at a temperature of less than or equal to 200° C. The polyester particles may have an It.V. at their surface which is less than 0.25 dL/g higher than the It.V. at their center. The polyester particles may have not been solid stated. The melt processing device comprises a screw with a total length, L, a feed zone length in the range from 0.16L and 0.45L, a taper angle, ?, in the range from 0.5 degrees and 5.

Abstract: The present invention relates to methods of modulating the gloss of plastics materials and products made from them, such as articles in the automotive industry e.g. for the interior of automobiles, as well as the use of certain additives for that purpose and related invention embodiments. The modulating comprises adding a modified polymer as matting agent to a polymer composition used as polymer substrate for the articles.

Abstract: Devices and methods for treating or repairing a tissue or organ defect or injury are provided. The devices can include tissue scaffolds produced from acellular tissue matrices and polymers, which have a stable three-dimensional shape and elicit a limited immunologic or inflammatory response.

Abstract: Fine particles (6) are retained by an electroformed portion (4) in a dispersed state, and the fine particles (6) exposed from an outer peripheral surface (4a2) of the electroformed portion (4) are molten so as to form micro projections (60) integrated with a resin portion (5). The micro projections (60) enters into fine-particle traces (4c) formed in the electroformed portion (4) to exert an anchor effect, to thereby increase a fixation force between the resin portion (5) and the electroformed portion (4).

Abstract: The present invention provides a method for making a cap adapted for a PET bottle. The method includes a melting and blending step, comprising preparing a slurry substantially consisting of polyethylene terephthalate raw material, plasticizer and nano clay; and an injection molding step to mold the cap. Thereby, the cap has enhanced mechanical properties to facilitate follow-up mechanical process. Due to the composition of the cap being highly similar to that of the bottle, the difficulty of recycling PET bottle can be significantly reduced and the cost thereof can also be lowered.

Abstract: The present invention provides a polybutylene terephthalate resin composition having both low warpage and high durability in a cold cycle environment. Specifically, relative to 100 parts by weight of a polybutylene terephthalate resin (A) having 30 meq/kg or less of the amount of terminal carboxyl groups, there are added a carbodiimide compound (B) in an amount of 0.3 to 2 equivalents of the carbodiimide functional group when the amount of carboxyl terminal group in the polybutylene terephthalate resin (A) is set as 1, 20 to 100 parts by weight of a fibrous filler (C), and 15 to 65 parts by weight of a thermoplastic resin (D) of one or more selected from polycarbonate resin and polyethylene terephthalate resin.

Abstract: A material can be molded into part made of a biocompatible binder containing one or several compounds for adding calcium and phosphorus It has been subjected to a surface pickling operation intended to ensure surface application and hence surface access of the elements added to the binder, in particular calcium and phosphorus. This material may advantageously be used for the realization of endo-bone implants or bone prostheses.

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 is directed to improved processes for making plastic articles, and articles made therefrom. In a broad aspect, the invention is directed to improved processes and articles made therefrom, that include the steps of providing as separate materials a first material that includes a thermoplastic polyolefin, a second material including an admixture of a particulated filler and a second thermoplastic polyolefin, and a third material that includes an elastomer; applying a shear force to the first, second and third materials, while the materials are at an elevated temperature for blending the materials to form a molten blend; shaping the molten blend and solidifying the molten blend.

Abstract: The present invention relates to a method for equalizing the orientation of fillers and/or distribution of fillers in a molding compound comprising filled plastic material of an injection molded part. A method of this type is required in particular during injection molding. The method according to the invention is characterized in that the injection mold and the molding compound are supplied with sound during injection molding in the injection mold. The sound has a frequency in the range of the spectrum of the first ten natural frequencies of the filler-matrix system. By supplying with this sound, the fillers, for example fibers, are distributed within the injection molding compound in a more isotropic manner with respect to their orientation and distribution so that significantly better mechanical and optical properties of the injection molded part are produced.

Abstract: The invention relates to a nucleating agent for polyethylene terephthalate and injection molding method thereof. The nucleating agent comprises a SiO2 core grafted with bis(2-hydroxyethyl) terephthalate, which accelerates the crystallization of polyethylene terephthalate for injection molding.

Abstract: A method of moulding and a moulding installation is disclosed. The installation comprises a compounder (16), a flow path (26) from the compounder to a vessel (34) in which the mouldable material emerging from the compounder is accumulated, and further flow paths (28) from the vessel (34) to a number of moulders (30) each of which is associated with a mould (32). The moulders take charges of mouldable material on a cyclical basis.

Abstract: Use of a biocidal mixture containing IPBC and TBZ for protecting wood-plastic composites (WPC), containing thermoplastic polymer and wood particles, from attack and/or destruction by microorganisms.

Abstract: The present invention relates to an optical part holding member made of ceramic and a production method thereof, and provides an effective permeability to prevent dew condensation. The optical part holding member is made of a silicon nitride ceramic base composite material to hold an optical part, which is produced through a process of nitriding in which silicon is caused to react with nitrogen. By using the silicon nitride ceramic base composite material containing silicon carbide and an iron compound, an airflow volume of 50 ml or more per minute is achieved in an effective airflow area of 1.5 cm2 when an air pressure is added with a pressure difference of 0.4 MPa between both surfaces of a sample of the silicon nitride ceramic base composite material having 1 mm thickness, and the optical part holding member having effective permeability to prevent dew condensation is obtained.

Abstract: A mouthpiece has a bite-off-prevention feature. The mouthpiece has been manufactured from an elastomeric parent material with at least one first component, where a reinforcing component embedded within the parent material forms the bite-off-prevention feature and derives from the same group of substances or group of materials as the first component. The reinforcing component is preferably composed of fibers.

Abstract: A method and apparatus are provided for moulding an article by feeding molten plastics material into a metering cavity (16), feeding a predetermined quantity of the material from the metering cavity into a mould cavity via a transition passage (26) adjacent the mould cavity and urging the molten plastics material from the transition passage into the mould cavity with a working stroke of a packing piston (24), until the packing piston closes a port (28) defined between the transition passage and the mould cavity and a leading face (32) of the packing piston forms part of the peripheral wall of the mould. Less than ninety percent of the mould cavity is filled with the molten plastics material when the packing piston starts its working stroke and the packing piston starts its working stroke while molten plastics material is still being fed from the metering cavity.

Abstract: To produce filled thermoplastic polymers starting from a waste thermoplastic base material, the base thermoplastic material is fed into a container (1) provided with a device for mixing and stirring (2,3) in which the base thermoplastic material is softened, the required filler is fed into said device and stirring is continued to thoroughly blend filler and softened material, subsequently collecting the softened and filled material from said container and subjecting it to an extrusion or other densification step.

Abstract: In a method of producing an injection-molded part, a material is processed and/or plasticized by means of a multi-screw extruder having a plurality of processing zones. An additive having barrier characteristics is admixed by a feed unit in at least one of the processing zones. The material is processed and dried in the extruder, and can then be transferred to a transfer reservoir for further processing.

Abstract: Disclosed are composite compositions well suited for forming shaped articles which comprise thermoplastic polymer, cellulose, a coupling agent comprising anhydride moities, and a lubricant comprising an alkyl ester of carboxylic acid. Preferably the lubricant is substantially free of zinc stearate.

Abstract: A fire retardant, transparent panel and method of making the panel, that is especially well suited for use on mobile platforms, and particularly on aircrafts. The panel is a composite of a transparent matrix and a plurality of fire-retardant nanoparticles. The nanoparticles have a diameter less than the visible spectrum of light, and in one form between about 0.1 nm to about 400 nm in diameter. The nanoparticles may be arranged randomly or in predetermined patterns within the matrix during manufacturing of the panel. The panel is lightweight, transparent and yet highly fire retardant.

Abstract: A process for producing a transparent or opaque silica glass product including mixing a silica fine powder and a cellulose derivative and injection molding the mixture, followed by degreasing treatment and baking treatment, which is characterized in that the cellulose derivative is a cellulose derivative which causes reversible thermal gelation in an aqueous solution of at least one member selected from methyl cellulose, hydroxypropylmethyl cellulose and hydroxyethylmethyl cellulose; in producing a transparent silica glass product, the cellulose derivative is added in water heated at a gelation temperature thereof or higher, and after cooling, the formed aqueous solution is kneaded with the silica fine powder; and in producing an opaque silica glass product, the cellulose derivative is added in a silica slurry containing a silica powder and heated at a gelation temperature of the cellulose derivative or higher.

Abstract: A method of manufacturing shoe outsoles from waste plant fibers includes steps of: bleaching plant fiber powders; activating the plant fiber powders through a graft reaction process; mixing the plant fiber powders and recycle rubber powders to enhance physical properties of the plant fiber powders; adding a homogenizing agent to fully blend the hydrophilic plant fiber powders and the lipophilic recycle rubber powders to form a recycled material; mixing the recycled material and thermoplastic rubber into a mixture; aging the mixture for an aging time; granulating the mixture; and producing a shoe outsole through an injection molding process. Thus a novel approach is provided to produce shoe products. Waste plants or rubber can be recycled to improve environmental conservation and protection.

Abstract: Methods and apparatus adjustably control the repositioning of non-homogeneous fluid conditions across the stream of a laminar flowing fluid to a desirable circumferential position. The invention is particularly applicable to controlling non-homogeneous melt conditions in hot or cold runner systems. Various mechanisms are provided that enable simple adjustments of a flow diverter within a fluid rotation device, making either static or dynamic adjustments, so that the degree of fluid flow repositioning in a runner system can be changed without the need for mold disassembly or retooling. Various forms of actuators effect adjustment and may be manually manipulated or manipulated through various powered devices.

Abstract: Disclosed is an injection moulding machine, comprising an extruder for continuously producing a melt of a desiccant-filled polymer; at least one injection device fluidly connected with the extruder by a first conduit to receive melt and including an injection ram movable to a forward position for injection of melt into an injection mould and a rear position for introduction of melt into the injection device; characterized in that the injection moulding machine further comprises a sensor which allows determination of the viscosity or melt flow index of the desiccant-filled polymer. Further disclosed is a method of operating such a compounder-type injection moulding machine.

Abstract: A method of producing a conductive belt composed of a base resin containing polybutylene naphthalate resin at not less than 50 mass % nor more than 100 mass % and 1 to 3 mass % of carbon nano-fibers having a DBP oil absorption amount at not less than 150 ml/100 g. The method includes the steps of forming a conductive master batch by mixing the carbon nano-fibers with resin for use in a master batch containing the polybutylene naphthalate resin; mixing the obtained conductive master batch and resin for blending use containing the polybutylene naphthalate resin and not containing the carbon nano-fibers with each other in an unmelted state by setting a mixing mass ratio of the conductive master batch smaller than that of the resin for blending use; and meltingly molding an obtained mixture by an extrusion molder.

Abstract: A method for injection foaming molding of a thermoplastic resin includes the steps of (1) injecting the foaming-agent-containing plasticized resin from an injection apparatus 30 to fill a mold cavity 10a, (2) releasing a clamping force of a mold 10 immediately after the foaming-agent-containing plasticized resin is injected and filled into the mold cavity 10a, so as to release the pressure of the foaming-agent-containing plasticized resin in the mold cavity 10a, (3) maintaining the pressure-released state of the foaming-agent-containing plasticized resin in the mold cavity 10a for a predetermined period of time, (4) expanding the mold cavity 10a to foam the foaming-agent-containing plasticized resin, and (5) cooling and maintaining the foaming-agent-containing plasticized resin while the mold cavity 10a is in the expanded state.