Abstract: A method for producing expandable pellets can include introducing a vinyl aromatic polymer and an expandable agent to a pelletizer (L). The pelletizer (L) can have a die plate having a holes of large diameter. During the start-up of the production of the expandable pellets, pellets can be produced in the pelletizer (L). When the polymer flow rate is in the operating range of the pelletizer (S), the introduction of the vinyl aromatic polymer and the expandable agent can be switched from the pelletizer (L) to the pelletizer (S). The pelletizer (S) can be operated at conditions effective to produce the expandable pellets. The pelletizer (S) can have a die plate having holes of small diameter. The expandable pellets can be recovered from the pelletizer (S), and the pellets can be recovered from the pelletizer (L).

Abstract: The invention relates to a process and an apparatus for pelletizing polymer melts comprising blowing agent in a pelletizing chamber through which a liquid flows, its pressure being above the ambient pressure. In a first step, the polymer melt is injected into the pelletizing chamber, in a second step the polymer melt is cut via a cutting apparatus into individual pellets and, in a third step, the pellets produced in the pelletizing process are discharged with the liquid from the pelletizing chamber and are then isolated from the liquid.

Abstract: Disclosed herein are formulation components for the manufacturing of a flow frame structure that can be integrated in flowing electrolyte batteries. These formulation components for manufacturing flow frames may include, but are not limited to, polypropylene, glass fiber, a coupling agent and an elastomer. A mixing and extrusion process may be employed to formulate the material and produce pre-formulated pellets for the manufacturing of flow frames. As flow frames may be integrated with electrodes (or membranes), the disclosed flow frame formulation may achieve a desired Melt Flow Index (MFI) range and may allow an improved bonding between electrodes (or membranes) and flow frame, therefore, simplifying manufacturing process and achieving higher performance and longer lifetime of flowing electrolyte batteries.

Abstract: The invention relates to a method for producing a semicrystalline polymer, said method comprising the following steps: producing a polymer melt from a crystallizable polymer; shaping particles and solidifying the polymer melt, the step of shaping the particles being carried out before or after solidification; cooling the particles; treating the particles to reduce their tendency to agglomerate; crystallizing the particles. The invention is characterized in that the treatment is carried out by shaking at a temperature T1 which is below the glass transition temperature of the polymer plus 10° C., i.e. T1<Tg+10° C.

Abstract: An ethylene terephthalate type polyester resin for forming containers, having an intrinsic viscosity in a range of 0.80 to 0.90 dL/g, containing copolymerizable components other than the ethylene glycol and terephthalic acid in an amount of less than 1.5 mol %, containing monohydroxyethyl terephthalate and bishydroxyethyl terephthalate in a total amount of less than 0.005% by weight, and having a heat of fusion of not more than 50 J/g and a crystallinity of less than 60%. The ethylene terephthalate type polyester resin has a high intrinsic viscosity, excellent stretch formability and excellent melting property.

Abstract: The object of the present invention is to provide a production method for an aromatic polycarbonate, in which eye boogers at the time of extrusion molding are reduced, and a continuous operation for a long period of time is possible. The present invention relates to a method when an extrusion molding is produced using an extruder in which a tapered part 1 has a half apex angle of from 4 to 20° formed at the outlet part of a die hole 9, and outlet parts of plural die holes 9 are arranged in a staggered state at the resin discharge surface side of a die plate 10, the shear rate ? at the extruder outlet is from 100 to 500 sec?1, and the shear stress ? is from 50 to 200 kPa.

Abstract: Provided is a process for making thermoplastic polymer pellets. The process has the following steps: (a) melting a thermoplastic polymer to form a polymer melt; (b) extruding the melt through a die to form a substantially continuous molten polymer extrudate wherein the die has a contact surface bearing a polymer coating having a surface energy of less than 25 mN/m at 20° C.; (c) cooling the extrudate to form a cooled extrudate; and (d) pelletizing the cooled extrudate to form a plurality of polymer pellets. Provided is also a polymer pellet shipping system and a stable thermoplastic polymer pellet.

Abstract: The invention relates to a form of administration which is secured against misuse and which is thermoformed without extrusion, comprising at least one synthetic or natural polymer having a resistance to breaking of at least 500 N in addition to one or several active ingredients with a misuse potential and, optionally physiologically compatible auxiliary substances. The invention also relates to a method for the production thereof.

Abstract: It is intended to avoid dose dumping of a drug and improve the dissolution properties of the drug in the lower gastrointestinal tract, and thereby provide a sustained-release pellet preparation for oral administration that reliably exhibits its main pharmacological effect when orally administered once or twice a day. The present invention provides a sustained-release preparation obtained by mixing of (A) a pharmacologically active drug, (B) hydroxypropyl methylcellulose acetate succinate, (C) a plasticizer, and (D) polyethylene glycol followed by extrusion granulation.

Abstract: This application provides planting mix compositions that include pelletized coir. Seed, cornmeal or corn flour, fungicide, and optionally activated charcoal, compost, and/or a super-absorbent polymer (SAP) can be included in the planting mix compositions. Methods of making such compositions are also disclosed herein. In particular examples, such compositions include pelletized coir at least partially coated with a binder, seeds, charcoal, and optionally a SAP. In other examples, such compositions include a pelletized mixture that includes coir, cornmeal or corn flour, charcoal, a SAP, compost, a fungicide, and seeds, wherein the seeds are encased within the pellets.

Abstract: In an embodiment, a method of processing a polymer comprises: mixing polymer and solid carbon dioxide; introducing the polymer and solid carbon dioxide mixture to a hopper of a vented extruder; plasticizing the mixture to form a polymer melt with dissolved carbon dioxide; venting carbon dioxide as a gas before the die exit; and extruding the polymer melt through a die. In an embodiment, a method of making an article comprises: introducing a polymer powder to an extruder; introducing solid carbon dioxide powder to the extruder at the hopper; plasticizing and extruding the polymer and solid carbon dioxide mixture; venting the solid carbon dioxide before the die exit; extruding the polymer melt through a die to form pellets; and injection molding the polymer pellets without solid carbon dioxide to form molded articles.

Abstract: Compression molding methods of manufacturing a shaped article are provided. The methods include compression molding thermoplastic resin-based material to provide a molded article, where thermoplastic resin-based material comprises a plurality of controlled geometry pellets. The pellets include at least one generally flat face having a cross-sectional shape with a rectangular envelope having an aspect ratio of at least 1.5. The controlled geometry pellets may include a plurality of reinforcing particulates dispersed throughout the thermoplastic resin. The reinforcing particulates typically have a largest dimension which is no more than about 90% of the largest pellet dimension.

Abstract: The invention relates to vitreous aroma particles and the preparation thereof, as well as to the use thereof in foods, consumer articles and pharmaceuticals.

Abstract: A process for efficiently producing a water-dispersible particulate agricultural-chemical composition having improved disintegrability/dispersibility in water, the composition having a particular size in the range of 50-1,000 ?m. The process is characterized by comprising the following steps (a) to (e): (a) a step of kneading an agricultural-chemical active ingredient, a surfactant, and water; (b) a step of extruding the resultant mixture through a screen having pores 600-2,000 ?m in diameter to form granules; (c) a step of drying the granules; (d) a step of rotating two toothed rolls with irregularities on the surface arranged in parallel to each other, and leading the dried granules to pass between the toothed rolls thereby pulverizing the granules; and (e) a step of sieving the pulverized granules.

Abstract: The hot melt pressure-sensitive adhesive (PSA) in the form of a granulate, the granulate comprises a core made of a hot melt pressure-sensitive adhesive and an outer layer, surrounding said core, made of a composition that is not pressure-sensitively adhesive, where the outer layer contains: 5 to 35 wt % of a hydrogenated styrene block copolymer; 20 to 65 wt % of at least one oil; and 0 to 15 wt % additives.

Abstract: There is provided a method for producing a molded product of which surface is modified by a functional material using a molding machine such as a general-purpose injection molding machine or extrusion molding machine. The method for producing the molded product includes: mixing a block copolymer having a hydrophilic segment with the functional material; mixing the block copolymer, which has been mixed with the functional material, with a thermoplastic resin; and molding the thermoplastic resin in which the functional material and the block copolymer are mixed.

Abstract: The invention relates to a technically advantageous method of producing low-dust granules of polymer additives or polymer additive mixtures. The granule-forming polymer additives are mixed together, the mixture is converted into a workable mass and pressed through an orifice. The pre-shaped strand-like extruded mass is cooled and, while still in a workable state, formed into granules by rolling, impressing, cooling and comminuting.

Abstract: The present invention provides a method for producing agrochemical granules, which contain an agrochemical active ingredient, one or more kinds of hydrophobic substances, and a substance capable of absorbing oil, with stable quality. The method for producing agrochemical granules of the present invention includes (i) a step of obtaining a mixture by mixing an agrochemical active ingredient, one or more kinds of hydrophobic substances, and a substance capable of absorbing oil together, (ii) a step of obtaining a kneaded material by loading the obtained mixture into a kneading device, kneading the mixture at a heating temperature equal to or higher than the highest melting point of the hydrophobic substances, and then causing the kneaded material to be discharged from the kneading device at a temperature equal to or lower than the highest melting point of the hydrophobic substances, and (iii) a step of granulating the obtained kneaded material by an extrusion molding method.

Abstract: A laminated foam article contains at least two foam boards having mating peak and groove surface profiles where surface skin remains on at least a portion of the profiles and wherein the foam boards are laminated to one another in a mating orientation with the peaks of one foam surface within the grooves of the adjoining foam surface with an adhesive between the mating surfaces of the foams and wherein the laminated foam article has a thickness that exceeds 200 millimeters.

Abstract: Disclosed is a method for producing long-fiber-reinforced thermoplastic resin pellets, comprising pultruding a plurality of reinforced fiber bundles in a molten thermoplastic resin while twisting the plurality reinforced fiber bundles to form a strand in which the reinforced fibers are coated with the thermoplastic resin, and cutting the strand to a predetermined length to form pellets, wherein the strand is pultruded under the conditions that the melt viscosity of the thermoplastic resin is adjusted such that the melt flow rate is 500 to 1500 g/10 min, and the twisting angle ? of the reinforced fiber bundles with respect to the pultruding direction of the strand is set as follows: 0°<??50°.

Abstract: The present invention relates to a process for producing free-flowing, agglomeration resistant amorphous poly-alpha-olefin based adhesive pellets. The process includes (a) extruding the adhesive through an orifice of a die plate immersed in a cooling fluid; (b) cutting the adhesive into a plurality of pellets in the cooling fluid; (c) solidifying the pellets at a temperature range of about 25° C. to about 40° C. for at least 30 minutes; and (d) separating the pellets from the recrystallization fluid and drying the pellets. The pellets harden at least three folds faster than conventionally formed pellets.

Abstract: In a processing plant for producing plastics material granulate, the start-up takes place in such a way that a screw machine is firstly driven by means of a drive device and then plastics material to be processed is fed by means of a metering device into the screw machine. At least one conveying position of the plastics material in the screw machine is determined by means of a control device by evaluating at least one measuring signal. Depending on the conveying position determined, a granulating device is activated and put into operation. The method according to the invention allows a direct start-up of the processing plant without the use of a start-up valve. This ensures an easy and safe start-up of the processing plant.

Abstract: The disclosure relates to transition metal compositions, methods of making the compositions, articles prepared from the compositions, and methods of making the articles. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.

Abstract: Thermoplastic particle foams which have cells having a mean cell size in the range from 20 to 500 ?m and in which the cell membranes have a nanocellular or fibrous structure having pore or fiber diameters below 1500 nm, and also processes for producing them.

Abstract: The invention relates to a method for the continuous production of semicrystalline polycondensate pellets. Said method comprises the following steps: producing a polycondensate material; shaping polycondensate pellets and solidifying the polycondensate melt in a liquid cooling medium, wherein the shaping of the pellets can be carried out prior to or after solidification; separating the pellets from the liquid cooling medium once the polycondensate pellets have cooled down to an average temperature that lies within the crystallization temperature range of the polycondensate; and crystallizing the pellets in a treatment chamber, the treatment gas being led in said treatment chamber in a countercurrent to the polycondensate pellets, the flow rate of the treatment gas being above the incipient fluidization point of the polycondensate pellets and the polycondensate pellets having a narrow dwell time spectrum in the treatment chamber.

Abstract: Polymer pellets are formed using air to influence the separation of polymer from a polymer melt. In accordance with one or more embodiments, a polymer material is extruded through a nozzle to form a polymer melt extending from the nozzle. A non-uniform thickness is generated in the polymer melt using a gas or gasses to apply a drag force to the polymer melt. This drag force reduces a thickness of a portion of the polymer melt adjacent the nozzle, and the polymer melt is fractured into discrete droplets at the reduced thickness. The discrete droplets are then solidified to form pellets.

Abstract: Pearls based on expanded polymers are produced by extruding an expandable composition containing a thermoplastic polymer and an expanding agent, and thereafter cooling and chopping the expanded material thus obtained.

Abstract: In the process of forming a wood pulp fiber and thermoplastic polymer composition the step of decreasing the exit area of the mixing device to 40 to 60% of the cross-sectional area of the mixing device.

Abstract: Disclosed are compressed tablets containing atazanavir sulfate and an acidifying agent, optionally with another active agent, e.g., anti-HIV agents, and optionally with precipitation retardant agents. Also disclosed are processes for making the tablets, and methods of treating HIV.

Abstract: Disclosed herein is a method for preparing a near infrared shielding fiber. The method includes the steps of preparing and compounding a composition, then pelletizing the compounded composition to obtain the near-infrared shielding masterbatch, and melt spinning the near-infrared shielding masterbatch into the near-infrared shielding fiber. The composition includes at least one metallic ionic compound powder in an amount of about 1-25 wt %, a cross-linking agent in an amount of about 0.1-2 wt %, a thermoplastic polymer in an amount of about 67-98.7 wt %, a cross-linking initiator in an amount of about 0.1-1 wt %, and a dispersing agent in an amount of about 0.1-2 wt %.

Abstract: The invention relates to a process for preparing a pharmaceutical tablet composition which comprises an active pharmaceutical ingredient of formula I wherein the definitions are described in claim 1, or pharmaceutically acceptable acid addition salts thereof and a water soluble poloxamer in which the compound of formula I and the water soluble poloxamer are processed by hot melt extrusion, and then the hot melt extrudate is mixed with other ingredients to form a tablet, that is optionally coated with a composition comprising an immediate release film coating system and purified water. The invention also relates to such pharmaceutical compositions and hot melt extrudates.

Abstract: Microfabricated particles are dispersed throughout a matrix to create a composite. The microfabricated particles are engineered to a specific structure and composition to enhance the physical attributes of a composite material. The microfabricated particles are generated by forming a profile extrudate. A profile extrudate is an article of indefinite length that has a cross sectional profile of a desired structure with micro-scale dimensions. Upon or after formation, the profile extrudate may be divided along its length into a plurality of microfabricated particles.

Abstract: The invention concerns a method for preparing a complex of an acid chosen from among methionine, 2-hydroxy-4-methylthiobutanoic acid (HMTBA) and lactic acid, and of at least one metal, starting from said acid and a mineral metal source, wherein the acid is caused to react with the mineral metal source in an extruder.

Abstract: The invention relates to a dosage form that is thermoformed without discoloration and is safeguarded from abuse, comprising at least one synthetic or natural polymer having a breaking strength of at least 500 N in addition to one or more active substances that could be subject to abuse. The invention also relates to a corresponding method for producing said dosage form.

Abstract: A process of manufacturing a rubber compound is disclosed. The process comprises providing a multiple shaft extruder device; feeding the multiple shaft extruder device with at least one polymer raw material or with a mixture of at least two different polymer raw materials; feeding the multiple shaft extruder device with at least one further raw material; mixing the at least one polymer raw material or the mixture of the different polymer raw materials and the at least one further raw material in the multiple shaft extruder device to prepare a rubber compound; and extruding the rubber compound from the multiple shaft extruder device. A plurality of multiple shaft extruder devices may be used in parallel or in sequence.

Abstract: In the case of the method for the production of polyester granulate or molded articles from a melt which is discharged from a polycondensation (1), the melt in the discharge region (2) of the polycondensation is kept at a temperature between 270-285° C. in communication with a gas chamber at a reduced pressure in order according to the invention to achieve a low acetaldehyde content. With respect to the granulate, within the scope of the method according to the invention, a standard crystallization (5) and drying (6) with air as drying gas suffices. The molded articles can be produced directly from the melt, e.g. with an injection molding machine (9). The device according to the invention comprises a polycondensation, at least the last stage of which is configured as a disc reactor in which, with extensive avoidance of a sump, the melt is transported directly from disc to disc by a combination of rotating disc and static strippers fitted on the circumference of the reactor.

Abstract: A method and system for melt processing a thermoplastic composition that contains a starch and plasticizer is provided. The composition is melt blended and extruded through a die to form an extrudate, which is thereafter cooled using a multi-stage system of the present invention that includes at least one water-cooling stage and at least one air-cooling stage. More particularly, the extrudate is initially contacted with water for a certain period time so that it becomes partially cooled and solidified on its surface. After the water-cooling stage(s), the extrudate is also subjected to at least one air-cooling stage in which a stream of air is placed into contact with the extrudate.

Abstract: Disclosed is an extrusion process for improving heat extortion temperature of a PVC in which the process is a one-step process comprising introducing an imidized acrylic resin and an ethylene copolymer into a back feeding device of an extruder; feeding a PVC resin into the extruder; producing a mixture comprising the imidized acrylic resin, the ethylene copolymer, and the PVC resin; extruding the mixture through a die to an extrudate; and optionally pelletizing the extrudate into pellets wherein the location for feeding the PVC is at about ¼ to ¾ of the length of the extruder, measured from the die.

Abstract: An absorbent material which may be used for animal bedding or litter, is made up of pellets of cellulosic fiber having a bulk density of 95 to 350 kg/m3. The cellulosic fiber may be reclaimed from the waste stream of a paper product manufacturing. The pellets may have a diameter of 3 to 12 mm and a length of 3 to 36 mm. For use as a cat litter, the pellets may have a density of 240 to 305 kg/m3 For use as a small animal litter, the pellets may have a density of 160 to 225 kg/m3. The pellets have a very low amount of inorganic material, typically less than 10% or less than 5% by weight.

Abstract: A pelletizing machine for forming pellets from extruded material includes an extruder having at least one exit port and a body defining a cutting chamber through which high-temperature liquid flows, flooding the cutting chamber. The exit port of the extruder opens into the cutting chamber, which includes a cutting section defining a flow path for liquid through the cutting section. A cutter in the cutting section of the cutting chamber is mounted for rotation about an axis generally perpendicular to the first direction and disposed for cutting the extruded material exiting the exit port into the pellets. The axis of rotation of the cutter is parallel to or coincident with the flow path of the cutting section. A method for forming pellets of thermoplastic material with a foaming agent is also disclosed.

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: An object of the invention is to provide a granulation method and a granulation apparatus that can reduce the manufacturing costs of pellets. There is provided a granulation method which uses an underwater cutting (UWC) device 107 that cuts a medium to be processed extruded from holes of a die 106 by using cutter blades provided in a circulation box 109 and conveys the cut pellets from the circulation box 109 while cooling the cut pellets by pellet cooling/transport water (PCW). The granulation method includes circulating the PCW and stopping the circulation of the PCW after pushing the cutter blades against the die 106 while rotating the cutter blades, before the start of the granulation; storing a predetermined amount of PCW in the circulation box 109 by discharging the PCW; and heating the PCW, which is stored in the circulation box 109, up to 69° C. or more.

Abstract: In a process for producing a biopolymer nanoparticles, biopolymer feedstock and a plasticizer are fed to a feed zone of an extruder and the biopolymer feedstock is processed using shear forces. A crosslinking agent is added to the extruder downstream of the feed zone. The process has a production rate of at least 1.0 metric tons per hour. The feedstock and the plasticizer are preferably added separately to the feed zone. The extruder may have single flight elements in the feed zone. The temperatures in the intermediate section of the extruder are preferably kept above 100 C. The screw configuration may include two or more steam seal sections. Shear forces in a first section of the extruder may be greater than shear forces in an adjacent downstream section of the first section. In a post reaction section, water may be added to improve die performance.

Abstract: A manufacturing system for producing polyolefin includes a polymerization reactor, a flash chamber, and a purge column. In certain embodiments, the purge column may receive a solids stream directly from the flash chamber. Further, the purge column may function as a feed tank for an extruder within an extrusion/loadout system. According to certain embodiments, the manufacturing system may be configured to consume less than 445 kilowatt-hours of energy per metric ton of polyolefin produced based on consumption of electricity, steam, and fuel gas.

Abstract: Provided is a composition for preparing plant fiber composite has, by weight based on the whole composition: a plant fiber raw material in an amount ranging from 60% to 80%; a starch auxiliary in an amount ranging from 10% to 30%; and a biological polymer additive in amount ranging from 10% to 20%, wherein the biological polymer additive includes a plant hormone, an enzyme, a vinegar and an ester of lactic acid. Plant fiber composite prepared from the composition is also provided. The plant fiber composite is derived from recycled material for extrusion and modeling, as a non-toxic and harmless raw material with high utilizing rate of recycled material and substitutes for plastic materials. The plant fiber composite is applied to food container, packing materials for electronic device and agricultural products, seedling trays, or substitutes for timber in the field of building, decoration and furniture.

Abstract: A method for supplying molten polymer and expanding agent flows to a mixing area, by dispersing the expanding agent in a polymer melt by a rapid dividing mixing in a first static mixer, holding and intensively dividingly mixing the thus obtained mixture in a second static mixer, cooling the mixture, during mixing, in a third static mixer to an intermediate temperature, cooling the mixture to a granulation temperature, extruding polymer threads and subsequently quenching and granulating them. During processing, a weight ratio between the polymer melt flow Gp and the expanding agent flow GBA ranges from 13.0 to 19.0, a temperature in the first static mixer for rapid dividing mixing is calculated according to formula (I), in the second and third static mixed according to formulas (II) and (III), respectively, wherein GBA max. is the quantity of a maximum possible expanding agent flow, GBBct.

Abstract: The present invention relates to a process for producing a pelletized stabilizer mixture for halogen-containing plastics, comprising the following steps: (a) heating, at from 40 to 100° C. in an extruder or kneader, a mixture comprising (A) at least one lubricant, (B) at least one substance having stabilizer activity, and (C) auxiliaries and additives, ?where at least 1% by weight of all of the substances, based on the total amount of the mixture, has a melting point below 100° C., (b) forcing the material through a pelletizing die, (c) carrying out die-face pelletization under water, (d) transporting the pelletized stabilizer mixture away in a stream of water, (e) extracting the pelletized stabilizer mixture from the water, and (f) drying the pelletized stabilizer mixture. The present invention further relates to pelletized stabilizer mixtures producible therefrom, and also to use of these.

Abstract: This application provides planting mix compositions that include pelletized coir. Seed, cornmeal or corn flour, fungicide, and optionally activated charcoal and/or a super-absorbent polymer (SAP) can be included in the planting mix compositions. Methods of making such compositions are also disclosed herein. In particular examples, such compositions include pelletized coir at least partially coated with a binder, seeds, charcoal, and optionally a SAP. In other examples, such compositions include a pelletized mixture that includes coir, cornmeal or corn flour, charcoal, a SAP, a fungicide, and seeds, wherein the seeds are encased within the pellets.

Abstract: The present invention pertains to processes for preparing granules comprising cellulose-containing fibers and biocomposites comprising disintegrated fibers, granules and biocomposites produced by the processes of the invention, as well as uses of said granules in methods for producing biocomposites comprising disintegrated fibers.

Abstract: The present disclosure describes a polypropylene resin composition useful for the preparation of buried structures such as corrugated, non-pressure pipe.