Способ изготовления полимерного изделия

Группа изобретений относится к способам изготовления полимерного изделия (варианты), обеспечивающая либо выбор, модификацию существующих и/или создание новых разработанных полимерных материалов. Способы могут обеспечивать улучшенную реакцию на приложение локального сдвига и/или деформации растяжения внутри расплава полимера в различных технологиях изготовления, таких как литье под давлением (IM), литье под давлением с раздувом и ориентированием (ISBM), безлитниковое литье под давлением (DI), экструзионно-раздувное формование (ЕВМ), изготовление листов экструзией, термоформование. Предусмотрен способ изготовления полимерного изделия, включающий литье или экструдирование расплавленного полимера на основе полипропилена, полиэтилена или сложного полиэфира с преобразованием его в (полу)конечную форму при приложении сдвига и/или деформации растяжения по отношению к расплаву полимера, где прилагаемые по отношению к расплаву полимера сдвиг и/или деформация растяжения предусматривают выборочную ...

PROCEDURE AND DEVICE FOR GRANULATING PLASTICS AND/OR POLYMERS

Apparatus and method for modular material analysis for plastics

Die Erfindung betrifft ein Verfahren und eine Vorrichtung zur modularen Materialanalyse für Kunststoffe umfassend mindestens zwei unterschiedliche Messgeräte der Gruppe Messgeräte zur optischen Vermessung der Schmelze, Messgeräte zum Druckfiltertest, Messgeräte zur Rheologie, Messgeräte zur optischen Folieninspektion, Messgeräte mechanischer Kennwerte von Kunststofffolien, Messgeräte zur Farbmessung, Messgeräte zur olfaktorischen Vermessung der Schmelze oder der Folie und Messgeräte zur NIR, FTIR, TGA Terahertzstrahlung, Gaschromatographie und Massenspektroskopie, wobei die betreffenden Messgeräte mechanisch und/oder funktional miteinander verbunden sind und die Vorrichtung zur modulieren Materialanalyse für Kunststoffe eine Haltestruktur umfasst, auf oder mittels der alle Messgeräte miteinander festverbunden sind.

Method and device for granulating plastics and/or polymers

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.

EXTRUDING HEAD FOR A PLANT TO THE EXTRUSION BLOW MOULDING OF EXCAVATING BODIES, IN PARTICULAR PLASTIC FUEL TANKS

Vorrichtung und Verfahren zur modularen Materialanalyse für Kunststoffe

The invention relates to a method and a device for modular material analysis for plastics, said device comprising at least two different measuring devices from the group: measuring devices for the optical measurement of a molten mass; measuring devices for filter pressure value testing; measuring devices for rheology; measuring devices for the optical inspection of films; measuring devices for mechanical characteristics of plastic films; measuring devices for colorimetry; measuring devices for the olfactory measurement of a molten mass or a film; and measuring devices for NIR, FTIR, TGA, terahertz radiation, gas chromatography and mass spectrometry, wherein the measuring devices in question are mechanically and/or functionally connected to one another.

STARTING VALVE FOR GRANULATION DEVICE

METHOD AND DEVICE FOR DETECTING BROKEN PLASTIC STRANDS OF PLASTIC EXTRUDER BY HEAT

The present invention discloses a method and device for detecting broken plastic strands of plastic extruder by heat. In this method, a detection strip is placed below the die exit of plastic extruder. The detection strip is made of a material that is the same as the product being produced by the plastic extruder or a material with similar melting performance as the product being produced. In the event of a broken strand during production, the broken strand will hang down and fall on said detection strip, where the residual heat in the strand can heat the detection strip to over its glass transition temperature and change it from glassy state to elastomeric state until it is pulled or molten to break. Once the break of the detection strip is detected, the alarm will be turned on. The detection device comprises a detection strip, a strip support, a contact detector(s) and a sound-light alarming device. One end of the strip support applies a pre-load upward or downward on the detection strip ...

СПОСОБ МОНИТОРИНГА И РЕГУЛИРОВАНИЯ ДВУХШНЕКОВОГО ЭКСТУДЕРА И ДВУХШНЕКОВЫЙ ЭКСТУДЕР

Группа изобретений относится к способу мониторинга и регулирования экструдера и двухшнековому экструдеру. Способ регулирования двухшнекового экструдера (1), содержащего два взаимно сцепленных шнека (20) для транспортирования подлежащего выдавливанию материала, включает в себя этапы, на которых при обработке экструдером подлежащего выдавливанию материала: непрерывно измеряют вязкость материала в потоке внутри экструдера и регулируют экструдер на основании соответствующих измеренных показаний вязкости. Для регулирования экструдера эффективным способом с высоким КПД на основании измеренных показаний вязкости изменяют расход материала, заполняющего экструдер вдоль взаимно сцепленных шнеков, посредством регулирования проходного сечения для материала в месте ниже по потоку относительно этих шнеков. Двухшнековый экструдер содержит корпус с размещенными в нем двумя взаимно сцепленными шнеками с возможностью вращения для продвижения в нем подлежащего выдавливанию материала, измерительное устройство ...

Anfahrventil für Granuliervorrichtung

Method for manufacturing a polymer article

A method enabling the selection, modification and/or creation of polymer materials which can provide improved response to the application of local shear and/or extensional deformation inside the polymer melt in manufacturing technologies including injection molding, injection stretch blow molding, direct injection, extrusion blow molding, sheet extrusion, thermoforming, etc., is provided. A method for manufacturing a polymer article includes injecting or extruding molten polypropylene, polyethylene or polyester based polymer for converting it into semi-final shape while applying shear and/or extensional deformation on the polymer melt. Applying shear and/or extensional deformation on the polymer melt includes selectively modifying the flow path of the molten semi-crystallizable polymer as a function of local pressure profile over at least part of the flow path. Local pressure profile is a function of optimized response of the polymer melt to the applied local shear and/or extensional deformation ...

СПОСОБ МОНИТОРИНГА И РЕГУЛИРОВАНИЯ ДВУХШНЕКОВОГО ЭКСТУДЕРА И ДВУХШНЕКОВЫЙ ЭКСТУДЕР

DISTILLER GRAIN PRODUCTION DEVICE

A device for producing a high density compact livestock feed from a loose granular material according to various embodiment can include a source for supplying a loose granular material to be treated and moving the treated material through a series of successive treatment zones. Rotatable screws are provided within an extruder to compress and transport the treated material a die. The treated material is pressed through the die while a two-dimensional cross-section compression is applied to the treated material.

A METHOD FOR MANUFACTURING A POLYMER ARTICLE.

The present invention relates to a method enabling either the selection, the modification of existing and/or the creation of newly developed polymer materials which may provide an improved response to the application of a local shear and/or extensional deformation inside the polymer melt in different manufacturing technologies such as and without being exclusive injection molding (IM), injection stretch blow molding (ISBM), direct injection (DI), extrusion blow molding (EBM), sheet extrusion, thermoforming, etc. In addition, a method for manufacturing a polymer article is provided comprising injecting or extruding a molten polypropylene, polyethylene or polyester based polymer for converting it into a (semi) final shape while applying a shear and/or extensional deformation on the polymer melt, wherein applying shear and/or extensional deformation on the polymer melt comprises selectively modifying the flow path of the molten semi-crystallizable polymer as a function of local pressure profile ...

A method for manufacturing a polymer article

The present invention relates to a method enabling either the selection, the modification of existing and/or the creation of newly developed polymer materials which may provide an improved response to the application of a local shear and/or extensional deformation inside the polymer melt in different manufacturing technologies such as and without being exclusive injection molding (IM), injection stretch blow molding (ISBM), direct injection (DI), extrusion blow molding (EBM), sheet extrusion, thermoforming, etc. In addition, a method for manufacturing a polymer article is provided comprising injecting or extruding a molten polypropylene, polyethylene or polyester based polymer for converting it into a (semi) final shape while applying a shear and/or extensional deformation on the polymer melt, wherein applying shear and/or extensional deformation on the polymer melt comprises selectively modifying the flow path of the molten semi-crystallizable polymer as a function of local pressure profile ...

METHOD FOR MONITORING AND CONTROLLING A TWIN-SCREW EXTRUDER, AND TWIN-SCREW EXTRUDER

Pour commander une machine d'extrusion (1) comprenant deux vis interpénétrantes (20) d'entraînement d'une matière à extruder, il est prévu que, pendant qu'une matière à extruder est traitée par la machine d'extrusion, - on mesure en permanence, dans le flux de la matière dans la machine d'extrusion, la viscosité de cette matière, et - on régule la machine d'extrusion à partir de cette mesure de viscosité. Selon l'invention, pour réguler la machine d'extrusion de manière efficace et performante, on modifie son taux de remplissage par la matière le long des vis interpénétrantes en ajustant, en aval de ces vis, une section de passage pour cette matière en fonction de la mesure de viscosité.

Vorrichtung und Verfahren zur Analyse eines Materialstroms

Die Erfindung betrifft eine Vorrichtung und Verfahren zur Analyse eines Materialstroms S mit einem Einlassbereich E, einem Messbereich M und einen Auslassbereich A sowie mit einer ersten Weiche W1 und einer zweiten Weiche W2 und einem Umlenkbereich U, wobei die beiden Weichen W1, W2 in einem ersten Schaltzustand Z1 einen durchgängigen ersten Materialdurchströmungsraum vom Einlassbereich E über die erste Weiche W1 durch den Messbereich M über die zweite Weiche W2 bis zum Auslassbereich A ausbilden und in einem zweiten Schaltzustand einen durchgängigen zweiten Materialdurchströmungsraum vom Einlassbereich E über die erste Weiche W1 durch den Umkenkbereich U über die zweite Weiche W2 bis zum Auslassbereich A ausbilden.

Method and device for granulating plastics and/or polymers

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.

Extrusionskopf für eine Anlage zum Extrusionsblasformen von Hohlkörpern, insbesondere Kunststoff-Kraftstoffbehältern

Fusionsband-Detektionsverfahren und Detektionsvorrichtung für einen Kunststoff-Extruder

Die vorliegende Erfindung offenbart eine Art von Fusionsband-Detektionsverfahren und Detektionsvorrichtung für einen Kunststoff-Extruder, wobei das besagte Verfahren darin besteht, den Detektionsmaterialstreifen direkt unter die Materialausgabeöffnung des Kunststoffextruders zu positionieren, wobei es sich bei dem Material des Detektionsmaterialstreifens um das Material des gerade vom Kunststoffextruder hergestellten Produkts oder um ein Material, dessen Aufschmelzverhalten dem des gerade hergestellten Produkts nahekommt, handelt; und sobald es beim Produktionsvorgang zu einem Brecherstreifen kommt, fällt der Brecherstreifen auf den vorgenannten Detektionsmaterialstreifen, und die Resthitze des Brecherstreifens sorgt dafür, dass der Detektionsmaterialstreifen bis zur Glasübergangstemperatur erhitzt wird. So wandelt sich der Detektionsmaterialstreifen vom Glaszustand bei Normaltemperatur hin zu einem hochelastischen Zustand, und zwar bis zum Reißen oder Aufschmelzen; wobei nach der Detektion ...

Werkwijze en matrijs voor het produceren van een reeks tuinlamellen en profielen

Method for Manufacturing a Polymer Article

A method enabling the selection, modification and/or creation of polymer materials which can provide improved response to the application of local shear and/or extensional deformation inside the polymer melt in manufacturing technologies including injection molding, injection stretch blow molding, direct injection, extrusion blow molding, sheet extrusion, thermoforming, etc., is provided. A method for manufacturing a polymer article includes injecting or extruding molten polypropylene, polyethylene or polyester based polymer for converting it into semi-final shape while applying shear and/or extensional deformation on the polymer melt. Applying shear and/or extensional deformation on the polymer melt includes selectively modifying the flow path of the molten semi-crystallizable polymer as a function of local pressure profile over at least part of the flow path. Local pressure profile is a function of optimized response of the polymer melt to the applied local shear and/or extensional deformation ...

método e aparelho para pelotização de plásticos e/ou polìmeros

Distiller grain production device

A device for producing a high density compact livestock feed from a loose granular material according to various embodiment can include a source for supplying a loose granular material to be treated and moving the treated material through a series of successive treatment zones. Rotatable screws are provided within an extruder to compress and transport the treated material a die. The treated material is pressed through the die while a two-dimensional cross-section compression is applied to the treated material.

Extrusionskopf für eine Anlage zum Extrusionsblasformen von Höhlkörpern, insbesondere Kunststoff-Kraftstoffbehälter

VERFAHREN UND VORRICHTUNG ZUM GRANULIEREN VON KUNSTSTOFFEN UND/ODER POLYMEREN

A method for manufacturing a polymer article

The present invention relates to a method enabling either the selection, the modification of existing and/or the creation of newly developed polymer materials which may provide an improved response to the application of a local shear and/or extensional deformation inside the polymer melt in different manufacturing technologies such as and without being exclusive injection molding (IM), injection stretch blow molding (ISBM), direct injection (DI), extrusion blow molding (EBM), sheet extrusion, thermoforming, etc. In addition, a method for manufacturing a polymer article is provided comprising injecting or extruding a molten polypropylene, polyethylene or polyester based polymer for converting it into a (semi) final shape while applying a shear and/or extensional deformation on the polymer melt, wherein applying shear and/or extensional deformation on the polymer melt comprises selectively modifying the flow path of the molten semi-crystallizable polymer as a function of local pressure profile ...

Anfahrventil

Die Erfindung betrifft ein Anfahrventil für eine Granuliervorrichtung mit einem Schmelzeerzeugeranschluss, einem Granulatoranschluss und zumindest einem Schmelzekanal zur Verbindung des Schmelzeerzeugeranschlusses mit dem Granulatoranschluss, dadurch gekennzeichnet, dass ein zweiter Granulatoranschluss sowie ein zweiter Schmelzeerzeugeranschluss vorgesehen sind, die durch einen zweiten Schmelzekanal miteinander verbindbar sind. Es kann auch vorgesehen sein, wahlweise einen der beiden Granulatoranschlüsse von demselben Schmelzeerzeugeranschluss her zu bedienen, und zwar mittels einer Schaltweiche, die zwei Produktionsstellungen besitzt, in denen sie jeweils einen der Granulatoranschlüsse mit dem Schmelzefluss von dem Schmelzeerzeugeranschluss her bedient. Vorzugsweise bildet diese Schaltweiche gleichzeitig eine Anfahrweiche, die in einer Anfahr- bzw. Bypassstellung den Schmelzefluss zu einer Bypassöffnung umleitet.

Method for monitoring and controlling a twin-screw extruder, and twin-screw extruder

According to the invention, in order to control an extruder (1) including two intermeshing screws (20) for driving a material to be extruded, the following steps are performed while a material to be extruded is being processed by the extruder: constantly measuring the viscosity of the material in the flow of said material in the extruder, and adjusting the extruder in accordance with said viscosity measurement. According to the invention, in order to adjust the extruder in an effective and efficient manner, the rate at which the extruder is filled with material along the intermeshing screws is modified by adjusting, downstream from said screws, a flow cross-section for said material in accordance with the viscosity measurement.

Extruder

Extruder, umfassend ein Arbeitsteil mit einem Zylinder und wenigstens einer darin entnehmbar angeordneten Extruderschnecke, einen Motor sowie ein vom Motor über eine Kupplung getrenntes Getriebe, das die Extruderschnecke antreibt, wobei die Extruderschnecke mit dem Getriebe lösbar verbunden ist, sowie eine den Betrieb des Motors oder wenigstens einer weiteren, insbesondere am Arbeitsteil vorgesehenen oder dem Arbeitsteil zugeordneten, Einrichtung steuernde Steuerungseinrichtung, dadurch gekennzeichnet, dass an der Extruderschnecke (4) wenigstens ein die Extruderschnecke (4) kennzeichnendes Informationselement (13) vorgesehen ist, das während oder nach Einsetzen der Extruderschnecke (4) in den Zylinder (3) oder Verbinden mit dem Getriebe (8) mittels eines Sensorelements (14) automatisch erfassbar ist, wobei die Steuerungseinrichtung (11) den Betrieb des Motors (9) oder der weiteren Einrichtung (6, 26) in Abhängigkeit der erfassten Information steuert, wobei das Informationselement (13) eine ...

Procedimiento para monitoreo y control de un extrusor de tornillo gemelo, y extrusor de tornillo gemelo

...

METODO PARA MONITOREAR Y CONTROLAR UNA EXTRUSORA QUE INCLUYE DOS TORNILLOS ENTRELAZADOS (20) PARA IMPULSAR UN MATERIAL A SER EXTRUIDO, LAS SIGUIENTES ETAPAS SE LLEVAN A CABO MIENTRAS UN MATERIAL A SER EXTRUIDO ESTA SIENDO PROCESADO POR LA EXTRUSORA MIDIENDO CONSTANTEMENTE LA VISCOSIDAD DEL MATERIAL EN EL FLUJO DE DICHO MATERIAL EN LA EXTRUSORA Y AJUSTANDO LA EXTRUSORA DE ACUERDO CON DICHA MEDICION DE VISCOSIDAD.

CONTINUOUS FLOW DRYER FOR TREATING BULK MATERIAL

A continuous flow dryer system according to various embodiments can include a source for supplying a material to be treated having a high moisture content, such as a distiller wet grain, a profile screw compression dryer, a profile screw, and a drive coupled to the profile screw for axially rotating the profile screw. The profile screw compression dryer includes an inlet for receiving the material for drying, which is fed therein in a controlled manner. The profile screw is provided within the housing of the dryer. The profile screw has a diameter that increases in dimension in a direction away from the inlet for increasing the compressive force applied to the material to assist with drying as the profile screw rotates and moves the material longitudinally along the profile screw to produce a final product, for example, a distiller dried grain for use as an animal feed.

A METHOD FOR MANUFACTURING A POLYMER ARTICLE

The present invention relates to a method enabling either the selection, the modification of existing and/or the creation of newly developed polymer materials which may provide an improved response to the application of a local shear and/or extensional deformation inside the polymer melt in different manufacturing technologies such as and without being exclusive injection molding (IM), injection stretch blow molding (ISBM), direct injection (Dl), extrusion blow molding (EBM), sheet extrusion, thermoforming, etc. ln addition, a method for manufacturing a polymer article is provided comprising injecting or extruding a molten polypropylene, polyethylene or polyester based polymer for converting it into a (semi)final shape while applying a shear and/or extensional deformation on the polymer melt, wherein applying shear and/or extensional deformation on the polymer melt comprises selectively modifying the flow path of the molten semi-crystallizable polymer as a function of local pressure profile ...

Continuous flow dryer for treating bulk material

A continuous flow dryer system according to various embodiments can include a source for supplying a material to be treated having a high moisture content, such as a distiller wet grain, a profile screw compression dryer, a profile screw, and a drive coupled to the profile screw for axially rotating the profile screw. The profile screw compression dryer includes an inlet for receiving the material for drying, which is fed therein in a controlled manner. The profile screw is provided within the housing of the dryer. The profile screw has a diameter that increases in dimension in a direction away from the inlet for increasing the compressive force applied to the material to assist with drying as the profile screw rotates and moves the material longitudinally along the profile screw to produce a final product, for example, a distiller dried grain for use as an animal feed.

Anfahrventil

Anfahrventil für eine Granuliervorrichtung mit einem ersten Schmelzeerzeugeranschluss (3), einem zweiten Schmelzeerzeugeranschluss (4), einem ersten Granulatoranschluss (5), einem zweiten Granulatoranschluss (6), sowie einem ersten Schmelzekanal (7) und einem zweiten Schmelzekanal (8) zur Verbindung der Schmelzeerzeugeranschlüsse (3, 4) mit den Granulatoranschlüssen (5, 6), wobei der erste Schmelzeerzeugeranschluss (3) mit dem ersten Granulatoranschluss (5) durch den ersten Schmelzekanal (7) verbindbar ist, und der zweite Schmelzeerzeugeranschluss (4) mit dem zweiten Granulatoranschluss (6) durch den zweiten Schmelzekanal (8) verbindbar ist, und ein gemeinsamer Ventilkorpus (15) vorgesehen ist, der in einer Produktionsstellung den ersten Schmelzeerzeugeranschluss (3) mit dem ersten Granulatoranschluss (5) verbindet und/oder den zweiten Schmelzeerzeugeranschluss (4) mit dem zweiten Granulatoranschluss (6) verbindet, und in einer Anfahrstellung den ersten Granulatoranschluss (5) von dem ersten ...

METHOD AND DEVICE FOR GRANULATING PLASTICS AND/OR POLYMERS

High-Fat and High-Protein Animal Feed Supplement and Process of Manufacture

A system according to various embodiments can include a source for supplying a material to be treated, an extruder, at least two screws, and a drive coupled to the screws for axially rotating the screws. The extruder includes an inlet for receiving the material, which is fed therein in a controlled manner. The screws are provided within the housing of the extruder. The screws have a plurality of compression and release stages that create mechanical heat which is directly applied to the material to change the mechanical properties of the material thereby facilitating a conversion of a physical state of the material from a non-compactable state to a compactable state as the screws rotate and move the material longitudinally along the screws to produce a final product, for example, a feed tub for use as an animal feed.

Extruder

Extruder, umfassend ein Arbeitsteil mit einem Zylinder und wenigstens einer darin entnehmbar angeordneten Extruderschnecke, einen Motor sowie ein vom Motor über eine Kupplung getrenntes Getriebe, das die Extruderschnecke antreibt, wobei die Extruderschnecke mit dem Getriebe lösbar verbunden ist, sowie eine den Betrieb des Motors oder wenigstens einer weiteren, insbesondere am Arbeitsteil vorgesehenen oder dem Arbeitsteil zugeordneten, Einrichtung steuernde Steuerungseinrichtung, wobei an der Extruderschnecke (4) wenigstens ein die Extruderschnecke (4) kennzeichnendes Informationselement (13) vorgesehen ist, das während oder nach Einsetzen der Extruderschnecke (4) in den Zylinder (3) oder Verbinden mit dem Getriebe (8) mittels eines Sensorelements (14) automatisch erfassbar ist, wobei die Steuerungseinrichtung (11) den Betrieb des Motors (9) oder der weiteren Einrichtung (6, 26) in Abhängigkeit der erfassten Information steuert.

High-Fat and High-Protein Animal Feed Supplement and Process of Manufacture

A system according to various embodiments can include a source for supplying a material to be treated, an extruder, at least two screws, and a drive coupled to the screws for axially rotating the screws. The extruder includes an inlet for receiving the material, which is fed therein in a controlled manner. The screws are provided within the housing of the extruder. The screws have a plurality of compression and release stages that create mechanical heat which is directly applied to the material to change the mechanical properties of the material thereby facilitating a conversion of a physical state of the material from a non-compactable state to a compactable state as the screws rotate and move the material longitudinally along the screws to produce a final product, for example, a feed tub for use as an animal feed.

?método para monitorar e controlar uma extrusora e extrusora?

Rubber-plastic alloy for warm mix asphalt mixture and method for manufacturing the same

A rubber-plastic alloy for a warm mix asphalt mixture and a method for manufacturing the same are disclosed. The rubber-plastic alloy consists of plastic, crumb rubber, cracked wax and rubber oil. The manufacturing method includes extruding the plastic, the crumb rubber, the cracked wax, and the rubber oil at suitable ratio via a single screw extruder, and pelleting via a water-cooled die-face cutter. The rubber-plastic alloy is mixed with a hot mineral material in an asphalt mixture mixer, and then liquid asphalt matrix is pumped into the mixer via an asphalt pump to provide a warm mix rubber-plastic modified asphalt mixture. The rubber-plastic alloy is applied for modifying an asphalt mixture to an effect equivalent to that achieved by a wet method.

A METHOD FOR MANUFACTURING A POLYMER ARTICLE

COMPRESSION SYSTEM FOR PRODUCING A HIGH DENSITY COMPACT PRODUCT

A compression system includes a compression device and a controller. A treated material is pressed longitudinally through a compression chamber by simultaneously applying a lateral pressure and a two-dimensional cross-section compression which includes a pressure applied in a direction traverse to a direction of transport and a pressure applied in a direction parallel to the direction of transport. The controller controls the two-dimensional cross-section compression applied to the treated material such that, during compression, liquids in the treated material migrate to the outer surface of the treated material upon reaching the outlet orifice.

Distiller grain pellet production devices

A device for producing a high density compact livestock feed from a loose granular material according to various embodiment can include a source for supplying a loose granular material to be treated. A series of successive treatment zones comprises a heating zone, a compression zone, and a cooling zone. The heating zone comprises at least one heater and at least one screw compression dryer configured to receive the loose granular material to be treated for drying. Rotation of the screw transfers the treated material to the compression zone. The compression zone comprises a compression chamber for compacting the treated material to form a high density compact body. The treated material is pressed through the compression chamber while a two-dimensional cross-section compression is applied to the treated material. The cooling zone comprises a cooling unit for cooling the high density compact body received from the compression zone.

Method for manufacturing a polymer article

A method enabling the selection, modification and/or creation of polymer materials which can provide improved response to the application of local shear and/or extensional deformation inside the polymer melt in manufacturing technologies including injection molding, injection stretch blow molding, direct injection, extrusion blow molding, sheet extrusion, thermoforming, etc., is provided. A method for manufacturing a polymer article includes injecting or extruding molten polypropylene, polyethylene or polyester based polymer for converting it into semi-final shape while applying shear and/or extensional deformation on the polymer melt. Applying shear and/or extensional deformation on the polymer melt includes selectively modifying the flow path of the molten semi-crystallizable polymer as a function of local pressure profile over at least part of the flow path. Local pressure profile is a function of optimized response of the polymer melt to the applied local shear and/or extensional deformation ...

Un método para fabricar un artículo polimérico

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LA PRESENTE INVENCIÓN SE REFIERE A UN MÉTODO QUE PERMITE LA SELECCIÓN, LA MODIFICACIÓN DE MATERIALES POLIMÉRICOS EXISTENTES Y/O LA CREACIÓN DE MATERIALES POLIMÉRICOS RECIENTEMENTE DESARROLLADOS, QUE PUEDEN PROPORCIONAR UNA RESPUESTA MEJORADA A LA APLICACIÓN DE UN CIZALLAMIENTO LOCAL Y/O DEFORMACIÓN EXTENSIONAL DENTRO DE LA MASA FUNDIDA POLIMÉRICA EN DIFERENTES TECNOLOGÍAS DE FABRICACIÓN TALES COMO Y SIN SER EXCLUSIVAS MOLDEO POR INYECCIÓN (IM), MOLDEO POR INYECCIÓN, ESTIRADO Y SOPLADO (ISBM), INYECCIÓN DIRECTA (DI), MOLDEO POR EXTRUSIÓN Y SOPLADO (EBM), EXTRUSIÓN DE LÁMINA, TERMOCONFORMACIÓN, ETC. ADEMÁS, SE PROPORCIONA UN MÉTODO PARA FABRICAR UN ARTÍCULO POLIMÉRICO, QUE COMPRENDE INYECTAR O EXTRUDIR UN POLÍMERO BASADO EN POLIPROPILENO, POLIETILENO O POLIÉSTER FUNDIDO PARA CONVERTIRLO EN UNA FORMA (SEMI)FINAL AL TIEMPO QUE SE APLICA UN CIZALLAMIENTO Y/O UNA DEFORMACIÓN EXTENSIONAL A LA MASA FUNDIDA POLIMÉRICA, EN EL QUE LA APLICACIÓN DE UN CIZALLAMIENTO Y/O UNA DEFORMACIÓN EXTENSIONAL ...

Distiller grain pellet production methods

A method for producing a high density compact livestock feed from a loose granular material may include feeding distiller grain into a loading zone and passing the distiller grain into a heating zoned comprising one or more heaters and a rotating screw. The method further includes rotating the screw to transfer the treated material through the heating zone while increasing the compressive force applied to the treated material. The method may further include pressing the treated material through a compression enclosure that simultaneously applies a transverse force and a parallel force onto the treated material to form a high density compact body. The method may then include a cooling process and an extraction process.

DISTILLER GRAIN PELLET PRODUCTION DEVICES

A device for producing a high density compact livestock feed from a loose granular material according to various embodiment can include a source for supplying a loose granular material to be treated. A series of successive treatment zones comprises a heating zone, a compression zone, and a cooling zone. The heating zone comprises at least one heater and at least one screw compression dryer configured to receive the loose granular material to be treated for drying. Rotation of the screw transfers the treated material to the compression zone. The compression zone comprises a compression chamber for compacting the treated material to form a high density compact body. The treated material is pressed through the compression chamber while a two-dimensional cross-section compression is applied to the treated material. The cooling zone comprises a cooling unit for cooling the high density compact body received from the compression zone.

Apparatus and method for analyzing a flow of material

An apparatus and method for analyzing a flow of material having an inlet region, a measurement range and an outlet region, and having a first diverter and a second diverter, and a deflection area, wherein in a first state of operation, the two diverters form a continuous first material flow space from the inlet region via the first diverter through the measurement range, via the second diverter to the outlet region, and in a second state of operation, form a continuous second material flow space from the inlet region via the first diverter through the deflection area, via the second diverter to the outlet region.

A METHOD FOR MANUFACTURING A POLYMER ARTICLE

EXTRUDER

An extruder having an operative unit having a cylinder and at least one extruder screw which is removably accommodated therein, a motor and a gear unit which is separated from the motor via a clutch and which drives the extruder screw, wherein the extruder screw is releasably connected to the gear unit, and a controller installation which controls the operation of the motor or at least of a further installation which is provided. The operative unit or is assigned to the operative unit, wherein at least one information element which identifies the extruder screw and which, during or after insertion of the extruder screw into the cylinder or connection to the gear unit, is automatically acquirable by a sensor element, is provided on the extruder screw, wherein the controller installation, depending on the acquired information, controls the operation of the motor or of the further installation.

DISTILLER GRAIN PRODUCTION DEVICE

A device for producing a high density compact livestock feed from a loose granular material according to various embodiment can include a source for supplying a loose granular material to be treated and moving the treated material through a series of successive treatment zones. Rotatable screws are provided within an extruder to compress and transport the treated material a die. The treated material is pressed through the die while a two-dimensional cross-section compression is applied to the treated material.

A Method for Manufacturing a Polymer Article

The present invention relates to a method enabling either the selection, the modification of existing and/or the creation of newly developed polymer materials which may provide an improved response to the application of a local shear and/or extensional deformation inside the polymer melt in different manufacturing technologies such as and without being exclusive injection molding (IM), injection stretch blow molding (ISBM), direct injection (DI), extrusion blow molding (EBM), sheet extrusion, thermoforming, etc. In addition, a method for manufacturing a polymer article is provided comprising injecting or extruding a molten polypropylene, polyethylene or polyester based polymer for converting it into a (semi) final shape while applying a shear and/or extensional deformation on the polymer melt, wherein applying shear and/or extensional deformation on the polymer melt comprises selectively modifying the flow path of the molten semi-crystallizable polymer as a function of local pressure profile ...

METHOD AND DEVICE FOR GRANULATING PLASTICS AND/OR POLYMERS

Method and device for granulating plastics and/or polymers

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.

METHOD AND DEVICE FOR GRANULATING PLASTICS AND/OR POLYMERS

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.

Working method and matrix for producing a range tuinlamellentuinlamellen and profiles

High-fat and high-protein animal feed supplement and process of manufacture

A system according to various embodiments can include a source for supplying a material to be treated, an extruder, at least two screws, and a drive coupled to the screws for axially rotating the screws. The extruder includes an inlet for receiving the material, which is fed therein in a controlled manner. The screws are provided within the housing of the extruder. The screws have a plurality of compression and release stages that create mechanical heat which is directly applied to the material to change the mechanical properties of the material thereby facilitating a conversion of a physical state of the material from a non-compactable state to a compactable state as the screws rotate and move the material longitudinally along the screws to produce a final product, for example, a feed tub for use as an animal feed.

Working method and matrix for producing a range tuinlamellentuinlamellen and profiles

Compression system for producing a high density compact product

A compression system includes a compression device and a controller. A treated material is pressed longitudinally through a compression chamber by simultaneously applying a lateral pressure and a two-dimensional cross-section compression which includes a pressure applied in a direction traverse to a direction of transport and a pressure applied in a direction parallel to the direction of transport. The controller controls the two-dimensional cross-section compression applied to the treated material such that, during compression, liquids in the treated material migrate to the outer surface of the treated material upon reaching the outlet orifice.

Rubber-Plastic Alloy For Warm Mix Asphalt Mixture and Method for Manufacturing The Same

The present invention disclosed a rubber-plastic alloy for a warm mix asphalt mixture and a method for manufacturing the same. The warm mix rubber-plastic alloy is consisted of 5%-30% plastic, 70%-95% crumb rubber, and cracked wax and rubber oil, the summed amount of which comprises 10%-50% of the summed amount of the plastic and the crumb rubber. The manufacturing method comprises extruding the plastic, the crumb rubber, the cracked wax, and the rubber oil at suitable ratio via a single screw extruder, and pelleting via a water-cooled die-face cutter. The use comprises mixing the rubber-plastic alloy with a hot mineral material in an asphalt mixture mixer, and then liquid asphalt matrix is pumped into the mixer via an asphalt pump to provide a warm mix rubber-plastic modified asphalt mixture having excellent performance. The warm mix rubber-plastic alloy is applied for modifying an asphalt mixture to an effect equivalent to that can be achieved by a wet method, and has the advantages of ...

Distiller grain production device

A device for producing a high density compact livestock feed from a loose granular material according to various embodiment can include a source for supplying a loose granular material to be treated and moving the treated material through a series of successive treatment zones. Rotatable screws are provided within an extruder to compress and transport the treated material a die. The treated material is pressed through the die while a two-dimensional cross-section compression is applied to the treated material.

DISTILLER GRAIN PELLET PRODUCTION METHODS

A method for producing a high density compact livestock feed from a loose granular material may include feeding distiller grain into a loading zone and passing the distiller grain into a heating zoned comprising one or more heaters and a rotating screw. The method further includes rotating the screw to transfer the treated material through the heating zone while increasing the compressive force applied to the treated material. The method may further include pressing the treated material through a compression enclosure that simultaneously applies a transverse force and a parallel force onto the treated material to form a high density compact body. The method may then include a cooling process and an extraction process.

Viscoelastic Extrusion Processing Method and Compositions for Biopolymers

A viscoelastic extrusion process (VEEP) for biopolymers such as polylactic acid is provided. The VEEP process removes many processing and performance limitations of PLA as well as creates performance sufficient to produce durable “nonbiodegradable” products as a direct replacement for PVC and other petrochemical profile and sheet extrusion applications. The VEEP process also retains a high degree of crystallinity within the PLA for increasing toughness and to lower its biodegradability. The invention also includes an integral process wherein rheology is highly modified to allow profile extrusion and higher melt strength wherein processing is lower than the melting point of the primary biopolymer and below the browning points of the natural fibers in the biopolymers viscoelastic state.

Rubber extruder and method of sampling extruded rubber

In a rubber extruder, a rubber sample is sampled while the rubber extruder is operating. In a rubber extruder formed of a cylinder and a screw arranged in the cylinder, a rubber sample taking-out path is provided in the vicinity of an outlet-side end portion of the screw and in front of a rubber taking-in port of a pair of gears of a gear pump. A path opening/closing means including a ball valve which opens/closes the rubber sample taking-out path is also provided so that a part of rubber extruded by the screw is taken out as a sample by opening/closing the ball valve at predetermined timing.

Method for building three-dimensional models with extrusion-based additive manufacturing systems

A method for building a three-dimensional model with an extrusion-based additive manufacturing system having an extrusion head, the method comprising depositing a consumable material from a liquefier assembly at an extrusion rate to substantially normalize a meniscus height within the liquefier assembly.

Method for manufacturing film for film capacitor

A film for film capacitors having a thickness of 10 microns or less, is manufactured by the successive steps of: mixing and preparing a forming material composed of a thermoplastic resin composition; melting and extruding the forming material to a film through a T-die; pinching and cooling the film between a pressure roll and a cooling roll having a rough surface for forming a rough surface to the film, wherein the rough surface of the cooling roll has (σ/Ra) of 0.2 or less, and the rough surface of the film has (σ/Ra) of 0.2 or less, where (Ra) is an arithmetic average roughness defined by a method specified in JIS B 0601 2001, and (σ) is a standard deviation; and rolling up the cooled film onto a winding tube in a winding unit.

Method and apparatus for producing fully cooked extrudates with significantly reduced specific mechanical energy inputs

Improved extruders and methods for the extrusion cooking of comestible products such as human foods or animal feeds are provided wherein the products may be produced with very low specific mechanical energy (SME) inputs as compared with conventional processing. The methods preferably involve introduction of very high levels of steam into the extruder barrel during processing, which concomitantly reduces necessary SME inputs required to achieve desired cook and expansion levels in the products. In accordance with the invention, fully-cooked pet foods can be fabricated with SME inputs of up to about 18 kWhr/T, whereas aquatic feeds can be fabricated with SME inputs of up to about 16 kWhr/T.

Polyethylene resins for sheet and thermoforming applications

This invention relates to coupling of polyethylene resins, more specifically coupling of polyethylene resins for use in extruded profiles, especially extruded profiles for sheet extrusion and cut sheet thermoforming applications and geomembranes. The process involves conveying a HDPE resin through an extruder, wherein the extruder comprises a feed zone, a first melt zone downstream of the feed zone, a second melt zone downstream of the first melt zone, and a third melt zone downstream of the second melt zone. The resin is melted in the first zone, contacted with oxygen in the second melt zone, and contacted antioxidant in the third melt zone.

Apparatus and method for the production o fplastic granulate

The invention relates to a method and a device for producing plastic granulate, having a granulator which breaks up essentially continuously conveyed plastic mass flow into granulate particles, the granulator ( 17, 40 ) comprising a cutting unit ( 21, 22; 32, 33, 34 ), whose cutting elements engage on the plastic mass flow when breaking up the plastic, and the device ( 1, 31 ) comprising at least one oscillation sensor ( 24, 25; 60, 61 ), using which oscillations occurring on the device ( 1, 31 ), in particular on the granulator ( 17, 40 ), may be detected.

Extruder and roller-die combination

An apparatus forms an elastomeric strip. The apparatus includes a roller and an adjustable surface. The roller has a cylindrical surface. The roller rotates at a predetermined angular velocity. The adjustable surface confronts the cylindrical surface and has a first stationary position relative to the cylindrical surface such that the apparatus forms an elastomeric strip having a first thickness. The adjustable surface is adjustably pivotable relative to the cylindrical surface such that the adjustable surface moves to a second stationary position for forming an elastomeric strip having a second thickness.

Advanced control system and method for making polyethylene terephthalate sheets and objects

A system for making PET objects including a means for reacting a first PET precursor and a second PET precursor to produce a PET melt; a means for flowing the PET melt to a valve having at least two outlets; a means for flowing the PET melt from at least one of the at least two outlets to at least one die forming line and one pelletizing (cutter) line. A means for controlling individually the mass flow of the PET melt in each of the at least two system lines independently of the other and a means for forming the PET objects from the PET melt. The control scheme is a combination of a feed forward system as well as a feedback loop. The entire control scheme is part of the overall system PLC. The fine tuning of the pressure at the outlet of the die forming loop is controllers to less than +/−1 bar to obtain maximum control of formed part.

Device and method for producing film tubing

The invention describes a device ( 1 ) for the production of film tubes ( 3 ) comprising: a die head ( 5 ) comprising an annular nozzle ( 4 ), from which plastic melt for producing the film tube ( 3 ) can be extruded in a transport direction (y), at least one fluid-application device, which is annular in shape at least in certain regions and which follows the die head ( 5 ) in the transport direction (y) and which surrounds the film tube ( 3 ) annularly and by means of which a fluid can be guided toward the film tube, at least one ring ( 20 ), the diameter of which is larger than the annular region of the fluid-application device. An adjusting device ( 21 ) is provided, by means of which the ring ( 20 ) can be adjusted in height relative to the fluid-application device.

Core-shell consumable materials for use in extrusion-based additive manufacturing systems

A consumable filament for use in an extrusion-based additive manufacturing system, where the consumable filament comprises a core portion of a first thermoplastic material, and a shell portion of a second thermoplastic material that is compositionally different from the first thermoplastic material, where the consumable filament is configured to be melted and extruded to form roads of a plurality of solidified layers of a three-dimensional object, and where the roads at least partially retain cross-sectional profiles corresponding to the core portion and the shell portion of the consumable filament.

Ultrasonic transmitting and receiving device for thickness and/or grammage measurement

An ultrasonic transmitting and receiving device is provided for measuring the transmission and/or reflection of ultrasonic waves on a thin material sheet, in particular on a foil sheet. The device may include a plurality of ultrasonic transmitters, a plurality of ultrasonic receivers, wherein the number of the ultrasonic transmitters corresponds to the number of the ultrasonic receivers, and one receiver electronics respectively for each of the ultrasonic receivers or each a group receiver electronics respectively for a predetermined number of ultrasonic receivers. A method is provided for ultrasonic absorption and/or transmission measurement, in which signals are emitted by multiple ultrasonic transmitters at the same time or nearly at the same time which are received by ultrasonic receivers and in which the received signals are evaluated in parallel.

Laminated and molded body and manufacturing method therefor

A laminated and molded body obtained by coextruding and molding at least two kinds of resin materials is preferable as a blow-molding aimed preform, a direct-blow molded bottle, a tube, or a blow molded tube, and has at least one layer constituted of a colored layer having a thickness continuously or intermittently varied in a direction parallel to the extruding direction of the at least one layer and/or in another direction intersecting the extruding direction, thereby enhancing the gradation effect.

Apparatus and method for manufacturing raw rubber strip

An apparatus for intermittently manufacturing a raw rubber strip comprises a screw extruder, an extruder head having a preforming nozzle, a gear pump therebetween, a pair of calender rolls, a roll-gap changer for switching between a close state and an open state of calender rolls, and a controller for controlling the gear pump, the calender rolls and the roll-gap changer to let the calender rolls in the open state prior to the stopping of the rotation of the calender rolls.

Extrusion process and device for producing elastomeric compounds

An extrusion device for producing elastomeric compounds, includes a holding body internally confining a chamber and at least one extrusion screw disposed in the chamber. The device further includes a plurality of interchangeable extrusion heads alternatively installed on the holding body at a discharge opening of the chamber. The choice of using a type of head rather than another or leaving the discharge opening free is carried out based on the physico-chemical features of the elastomeric compound to be treated, so as to maintain the temperature and/or pressure of the outgoing compound under critical threshold values for such a compound.

Mixing/extruding apparatus and start-up method for mixing/extruding apparatus

A mixing/extruding apparatus having a mixer/extruder provided with a diverter, an electric motor for driving this mixer/extruder, and a power supply device for supplying a drive power to this electric motor, and the power supply device includes a start-up power supply portion for supplying a drive power with which the electric motor is rotated at low speed with a smaller output than an output generated upon the normal operation to the electric motor, an operation power supply portion for supplying a drive power with which the electric motor is rotated at high speed with the output generated upon the normal operation to the electric motor, and a power supply switching device for switching the drive power from the start-up power supply portion to be supplied to the electric motor to the drive power from the operation power supply portion.

Pneumatic object provided with a gastight layer containing a thermoplastic elastomer and a thermoplastic

A pneumatic object or inflatable article is provided with a gastight elastomer layer. The gastight elastomer layer includes a thermoplastic polyisobutylene block elastomer and hot-melt polymer microdomains based on at least one thermoplastic material.

Biodegradable disposable tableware and methods for making same

Biodegradable disposable flatware and utensils manufactured from wood-based or plant-based raw materials, including materials that may be traditionally discarded such as sawdust, plant stalks, seed or grain hulls or the like. The process includes the use of a resin made from the discarded materials to form disposable utensils and flatware.

Apparatus for the Continuous Production of a Twin Wall Pipe with an Integral Socket

An apparatus for the continuous production of a twin wall pipe has mold block halves supplied in pairs to form a mould, and a pipe head, which has an external nozzle for the extrusion of an external hose and an internal nozzle for the extrusion of an internal hose. A support air and venting channel which is annular-cylindrical and concentric with respect to the centre longitudinal axis of the pipe head opens out between the external nozzle and internal nozzle.

Method of detecting a component of an article and method of preparing a component for detection

A method of detecting the presence or position of a first component in an article is disclosed. The first component, which has a predefined response to incident light, includes a microporous film of a semi-crystalline polyolefin and a beta-nucleating agent. The method includes irradiating the article with incident light, detecting light received from the irradiated article; and identifying the predefined response of the first component in the light received from the irradiated article to detect the presence or the position of the first component. A method for preparing a mechanical fastening component for use in an article is also disclosed. The method includes stretching a film backing containing beta-spherulites and having upstanding fastening elements to provide a microporous film backing with sufficient porosity to allow it to be detected when subjected to an inspection system comprising a light detector.

Blown film scanning method

A method is provided for measuring and controlling a cumulative physical property, such as the thickness, of a tubular blown film, wherein the tubular blown film is being extruded from a ring-shaped extruder having a plurality of film physical property controllers disposed around the ring-shaped extruder. Where the physical property is thickness, the method includes the steps of (1) collapsing the tubular film to create a two-ply web and slowly rotating the film while taking a plurality of thickness measurements across the two-play web at various sections of the film, (2) calculating initial estimates of the thickness of each section using a first algorithm, (3) refining the initial estimates of the thicknesses of each section by successive iterations using a second algorithm, and (4) optionally adjusting at least one film physical property controller to control the final estimate of the thicknesses of each longitudinal section.

Elastomer composite with silica-containing filler and methods to produce same

An elastomer composite with silica-containing filler is described, along with methods to make the same. The advantages achieved with the elastomer composite and methods are further described.

Gel reduction device and gel reduction method

A gel reduction device 1 of the present invention includes a gel reduction mechanism 8 provided in a polymer flow duct 5 in which a polymer kneaded compound flows and adapted to reduce gel present in the polymer kneaded compound. The gel reduction mechanism 8 includes at least one or more squeezing flow paths 10 having a flow path cross-sectional area smaller than the polymer flow duct 5 , and a squeeze ratio S 1 /S 2 of the squeezing flow paths 10 is set to be 25 to 180 so as to be able to generate an extensional flow in the kneaded compound flowing in the squeezing flow paths 10.

Apparatus and method for manufacturing products

A method of manufacturing products comprising an outer casing of a first material ( 12 ) and containing at least one chamber ( 18 ) filled with a second material ( 14 ) comprises extruding the first material through a die ( 10 ) to form an extrudate body ( 16 ) and delivering the second material through at least one fluid outlet ( 22 ) in the die to form the least one filled chamber. The extrusion process is varied periodically and momentarily to produce sections ( 30 ) of extrudate body having no filled chamber. In one embodiment, the flow of the second material ( 14 ) is periodically reduced to form the unfilled sections. The flow of the second material ( 14 ) may be reduced by increasing the volume of a supply path for the second material upstream from the die ( 10 ). Apparatus for carrying out the method is also disclosed. The method and apparatus are particularly adapted for producing food, and especially confectionery, products.

Metered pump system for hydrocapsule encapsulation

A metered pump system for hydrocapsule encapsulation is disclosed. In at least one embodiment, a system for hydrocapsule encapsulation includes a nozzle assembly and metered pump for encapsulating discrete droplets of liquid by generating a continuous coating of a polymerizable liquid which is substantially immiscible with the core liquid. The metered pump system is configured to control a stroke length and a pulsation speed to attain constant shear with each pump of water, and a volume of water in each stroke and a speed of the stroke is controlled. In at least one embodiment, the nozzle includes a material feed port, a polymer feed port, a water feed port, and an encapsulated material exit port. In at least one embodiment, the metered pump is configured for use in a hydrocapsule encapsulation system having a pressure control system, a water control system, sparging column, and ultraviolet exposure chamber system.

Method And System For Performing An Infrared Treatment

A method for performing an infrared treatment includes the steps of receiving an extruded product and feeding the extruded product to an oven including at least one lamp unit. The lamp unit includes a lamp, a reflective surface enclosing a first side of the lamp and positioned to direct radiation from the lamp, and a glass disposed between a second side of the lamp and an extruded product, wherein the glass separates the lamp and the extruded product. The method further includes the step of creating cross-linking between layers of the extruded product by directing the radiation at the extruded product. Still further, the method includes the steps of directing a first gas flow at a surface of the product and directing a second gas flow at the glass at an intensity, direction, and temperature that prevents the glass from becoming an infrared source.

Polymer pelletization via melt fracture

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.

Process for annealing photovoltaic encapsulation polymer film

A process for annealing photovoltaic polymer encapsulation film ( 3 ), the film comprising polymer molecules substantially oriented along a machine direction, characterized in that the film is heated, supported on a support surface of support means ( 12 ), with heating means to a relaxation temperature to increase the isotropy of the polymer molecules such that the film is at least partly annealed, the support means ( 12 ) comprising a fluid ( 13 ) between the film ( 3 ) and the support surface.

Method for starting up a processing plant for producing plastics material granulate and processing plant for producing plastics material granulate

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.

Method of forming filter elements

A method of forming a filter element is disclosed comprising introducing a mixture into a feeder, the mixture comprising a plurality of susceptor particles and a plurality of polymeric binder particles. The mixture is advanced through the feeder and into a die comprising an excitation portion where eddy currents are induced in the susceptor particles by subjecting the mixture to a high-frequency electromagnetic field, the eddy currents being sufficient to elevate the temperature of the susceptor particles to cause adjacent polymeric binder particles to be heated to at least a softening point. The susceptor particles bind with the heated polymeric binder particles in the die to form a coherent mass. The coherent mass is advanced out of the die and cooled to form the filter element.

Honeycomb Extrusion Apparatus and Methods

A honeycomb extrusion apparatus includes a die body and a mask defining a peripheral gap. The peripheral gap includes a first extrusion cross section at a first radial location relative to the extrusion axis and a second extrusion cross section at a second radial location relative to the extrusion axis. An overall flow area of the first extrusion cross section is less than an overall flow area of the second extrusion cross section. In further examples, methods include co-extruding a honeycomb body with an integral skin with the overall flow area of the first extrusion cross section being less than the overall flow area of the second extrusion cross section. In further examples, methods include compensating for different skin flow characteristics associated with a particular honeycomb network configuration of discharge slots in a die body.

Silicone Tubing and Method for Making and Using Same

Silicone tube structures are formed having a particular dimensional accuracy. In one embodiment, a silicone tube structure can include an extruded hollow body having an inner bore. The extruded hollow body can have an inner diameter, an outer diameter, and a length of at least approximately 20 m. The extruded hollow body can also have a dimensional accuracy that is measured by the standard deviation of the inner diameter being no greater than approximately 0.8% of an average inner diameter of the extruded hollow body over the length. In an embodiment, the silicone tube structure can be cut to form a number of silicone tubes.

Container with high moisture barrier properties and a reclosable pour spout

A paperboard substrate that can be used to provide a food packaging particle is provided having a water vapor barrier layer comprising HDPE in combination with a nucleating agent which is extruded on to a paperboard substrate. The resulting substrate has sufficiently good water vapor barrier when properties that dry foods such as cereals do not require a bag or inner liner as a separate moisture barrier.

Method and device for controlling the temperature of polymer melt

A method for controlling the temperature of a polymer melt in an extrusion tool includes flowing the polymer melt via at least one flow channel from an input to an output and around at least one temperature-control element in the at least one flow channel. The temperature control element includes a plurality of temperature control units. The temperature of the polymer melt flowing around the temperature-control element is controlled by individually controlling each of the temperature-control units so as to vary a degree of temperature control of the temperature-control element such that a degree of temperature control is controllable to be the same or different at locations throughout the temperature control-element.

Process for preparing flowable amorphous poly-alpha olefin adhesive pellets

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.

Resin composition for extrusion coating, and layered film and method for producing the same

The present invention provides a resin composition for extrusion coating, the composition including (1) at least one of a copolymer of ethylene and α,β-unsaturated carboxylic acid or an ionomer thereof and (2) a homopolypropylene, wherein a content of the component (2) is 3 to 12% by mass based on the total mass of the component (1) and the component (2) and has a melt flow rate (at a load of 2160 g and 190° C., JIS K7210) of 4.0 g/10 min, or more.

Process for Obtaining A Film that Comprises the Incorporation of Natural Antimicrobial Agents in a Polymeric Structure

A process for obtaining a film that comprises the incorporation of natural antimicrobial agents in a polymeric structure for the development of packages designed to increase the shelf life of chilled or refrigerated meat, preferably fresh chilled salmon; said process comprises the following steps: a) mixing a first extrusion of the antimicrobial active agent with low density polyethylene powder to obtain a pellet; b) a second extrusion to obtain a film incorporating the pellet obtained in step (a) in a proportion of 10% polyethylene pellets; c) conduct a three-layer coextrusion to develop the film into which the antimicrobial agent is incorporated, wherein the antimicrobial active agent is incorporated into the film layer which is in direct contact with salmon, where the binder, the middle and the outer structure of the film, provide the requirements for the film structure, without the incorporation of the active agent.

Multilayer film for flexible wrapping

A subject of the present invention relates to a multilayer (or laminate) film, that can be used in the field of flexible wrapping, comprising at least 2 thin layers of material bonded together by a layer of an adhesive composition based on a styrene block copolymer. It also relates to a lamination process suitable for the manufacture of said film.

Polymeric material for an insulated container

A formulation includes a polymeric material, a nucleating agent, a blowing agent, and a surface active agent. The formulation can be used to form a container.

Weighing and Mixing System

The invention is a weigh ng and mixing system for the preparation of mixtures of components required by processing machines for the manufacture of plastic products. In particular the invention is suitable for the preparation of weighed mixtures comprised of at least two different masterbatches in order to obtain the color shade desired for a specific plastic product.

Extruder and method for extruding cord reinforced tire components

Disclosed is an extruder and a method for extruding cord reinforced tire components, wherein the extruder includes an extruder head with a die and a cord guide, wherein the die is provided with a cross sectional profile that defines a first cross section of the extrusion material in the die, wherein the cross sectional profile has a profile height, wherein the cord guide is arranged for guiding the cords into the die at a cord entry height, wherein the extruder head is provided with first heating elements, wherein the extruder comprises a control unit that is operationally connected to the first heating elements for generating an adjustable height temperature gradient in the extrusion material across the profile height to control swelling of the extrusion material relative to the cord entry height from the first cross section to a second cross section after the extrusion material leaves the die. 1. An extruder with an extruder head for extruding cord reinforced tire components , wherein the extruder head comprises a die for receiving an extrusion material and a cord guide for guiding cords into the die so that in use the cords are embedded in the extrusion material , wherein the die is provided with an elongate cross sectional profile that defines a first cross section of the extrusion material in the die , wherein the cross sectional profile has a profile width and a profile height that is relatively small with respect to the profile width , wherein the cord guide is arranged for guiding the cords into the die at a cord entry height with respect to the profile height , wherein the extruder head is provided with one or more first heating elements which are arranged to transfer heat into the extrusion material from a first side of the profile height , wherein the extruder further comprises a control unit that is operationally connected to the one or more first heating elements for generating an adjustable height temperature gradient in the extrusion material across ...

METHOD AND APPARATUS FOR ULTRASONIC EXTRUSION CONTROL

An ultrasonic transducer fixture has an entrance and an exit for tubular extrudate passing therethrough; ultrasonic transducers within a closed chamber in position for passage of the tubular extrudate therebetween; and a vacuum source communicating with the chamber interior for maintaining sub-atmospheric pressure within the chamber. The water level in the chamber is controlled so that the ultrasonic transducers remain immersed in the water. 1. A method for ultrasonically measuring an outer diameter of a tubular extrudate exiting an extrusion die , the improvement comprising:providing a closed chamber having inlet and exit openings for passage therethrough of the tubular extrudate;positioning a plurality of ultrasonic transducers within the chamber and spaced from the tubular extrudate;controlling a water level in the chamber sufficiently to cover the transducers; andautomatic controlling and maintaining an internal pressure of the chamber at a level sufficiently below atmospheric pressure to preclude escape of water from the chamber through the inlet and exit openings as the tubular extrudate moves through the chamber.2. The method of claim 1 , further comprisingmonitoring the water level in the chamber relative to the transducers;introducing water into the chamber whenever the water level falls sufficiently that a top of one or more of the ultrasonic transducers is exposed; andcontinuing introducing water into the chamber until the water level is above the tops of the one or more ultrasonic transducers by a preselected amount.3. The method of claim 1 , further comprising:continuously monitoring the internal pressure of the chamber; andlowering or raising the internal pressure of the chamber while flooding or draining water from the chamber to maintain the internal pressure of the chamber at a level sufficiently below atmospheric pressure to preclude escape of water from the chamber through the inlet and exit openings as the tubular extrudate moves through the ...

Nozzle shut off for injection molding system

An injection molding apparatus and method of fabricating a molded part are provided. The apparatus may include a barrel, a nozzle enclosing an end of the barrel and defining an opening in fluid communication with an inside of the barrel, and an extrusion screw positioned at least partially inside the barrel and rotatable relative to the barrel. The extrusion screw may include a screw tip. Relative axial movement between the barrel and the extrusion screw may open or close the opening of the nozzle to permit or prevent, respectively, material flow through the opening of the nozzle. The method may include clamping a mold, opening a nozzle, rotating the extrusion screw to pump a molten material into the mold until the mold is filled, closing the nozzle, and unclamping the mold to release a molded part.

Device and method of exposure control in a device for producing a three-dimensional object

An exposure control device ( 31 ) serves for equipping and/or retrofitting a generative layer-wise building device ( 1 ). The latter comprises an exposure device ( 20 ) which emits electromagnetic radiation ( 22 ) or particle radiation and is configured to irradiate positions to be solidified in a layer in such a way that after cooling they exist as an object cross-section or part of the same. The exposure control device ( 31 ) has a first data output interface ( 36 ), at which control commands can be output to the exposure device ( 20 ). The control commands which are output specify one of a plurality of exposure types wherein an exposure type is defined by a predetermined combination of a radiation energy density to be emitted by the exposure device ( 20 ) and a scanning pattern with which the radiation ( 22 ) is being directed to a region of a layer of the building material ( 15 ). Furthermore, the exposure control device ( 31 ) has a second data output interface ( 37 ) at which an exposure type can be output in real time in relation to a timing of the output of a control command specifying this exposure type.

Process for in-line inspection of functional film layer containing detectable component

The continuity of a functional layer of a web (32, 60, 78) is assessed by forwarding the web, detecting (42, 63) the presence of the functional layer and a discontinuity and/or a thin region in the functional layer, and generating a signal in response to the discontinuity and/or thin region. The functional layer comprises a detectable component (360) in a thermoplastic composition. The detecting is carried out by a machine vision system capable of detecting the detectable component (360) in the functional layer. The detectable component (360) can be active or passive. Also included are systems for carrying out the process.

Polymer composition, electronic device and method of manufacturing the same

The present disclosure relates to a polymer composition including eco-friendly materials, an electronic device and a method of manufacturing the same. The polymer composition according to an aspect of the present disclosure includes a thermoplastic resin at 30 to 70 parts by weight; an eco-friendly resin, including a bio-resin, at 1 to 50 parts by weight; and a silicone resin at 1 to 60 parts by weight based on the total weight of the polymer composition.

Continuous flow dryer for treating bulk material

A continuous flow dryer system according to various embodiments can include a source for supplying a material to be treated having a high moisture content, such as a distiller wet grain, a profile screw compression dryer, a profile screw, and a drive coupled to the profile screw for axially rotating the profile screw. The profile screw compression dryer includes an inlet for receiving the material for drying, which is fed therein in a controlled manner. The profile screw is provided within the housing of the dryer. The profile screw has a diameter that increases in dimension in a direction away from the inlet for increasing the compressive force applied to the material to assist with drying as the profile screw rotates and moves the material longitudinally along the profile screw to produce a final product, for example, a distiller dried grain for use as an animal feed.

Method for the automatic monitoring of a production process, and a production plant and computer program therefor

A method for automatic monitoring of a production process includes automatically determining a value of an indirect process quantity from at least one value of a process quantity. From the determined value, a preliminary reference value is determined, and a preliminary reference value is respectively allocated to a reference quantity. It is checked whether the preliminary reference value lies within a range of reference values permitted for the associated reference quantity. If not, the preliminary reference value is transformed into the permitted range of reference values and the transformed value corresponds to a limited reference value. Otherwise, the limited reference value corresponds to the preliminary reference value. It is checked whether at least one value of a monitored process quantity of the current production process represents an anomaly with regard to the limited reference value of the reference quantity, and/or a composite reference value of one composite reference quantity.

Method and device for the indirect determination of a specific formulation during extrusion

The invention relates to a method for the indirect determination of a specific formulation with an extrusion process in an extrusion device ( 10 ) comprising the following steps: determination of measurement data of at least one processing parameter of the extrusion process of the extrusion device ( 10 ), comparing the determined measurement data with saved data saved in relation to the specific formulation of the same processing parameter, determination of the deviation of the measurement data from the saved data of the same processing parameters and comparing of the deviation with a predefined deviation threshold.

Rubber-coated cord manufacturing device and rubber-coated cord manufacturing method

Provided is a rubber-coated cord manufacturing technique with which the occurring of rubber spew can be prevented and waste in the form of scrap can be reduced during a rubber-coated cord manufacturing step, and with which the burden on an operator can be reduced and a high-quality rubber-coated cord can be stably produced. This rubber-coated cord manufacturing device comprises: an extrusion head that coats rubber on the surface of a cord, the extrusion head including a screw rotation type extruder which extrudes rubber, an insertion port into which the cord is inserted, and a flow path of rubber which has been extruded from the extruder; a cord supply device that supplies the cord to the extrusion head; a rubber-coated cord winding device that winds a rubber-coated cord which has been coated with rubber by the extrusion head; and a head pressure controller that controls the head pressure of the extrusion head. The head pressure controller performs control to maintain the head pressure at a prescribed level by feeding back to the extruder the monitoring results of the head pressure while the cord is coated with the rubber, and adjusting the rotation speed of the screw.

Liquid Crystalline Polymer Composition

A compact camera module that contains a generally planar base on which is mounted a lens barrel is provided. The base, barrel, or both are molded from a polymer composition that includes a thermotropic liquid crystalline polymer and a plurality of mineral fibers (also known as “whisker”). The mineral fibers have a median width of from about 1 to about 35 micrometers and constitute from about 5 wt. % to about 60 wt. % of the polymer composition. 124-. (canceled)25. A polymer composition that comprises a thermotropic liquid crystalline polymer matrix , a non-aromatic functional compound that includes a hydrate , and a plurality of mineral fibers having a median width of from about 1 to about 35 micrometers , wherein the mineral fibers constitute from about 5 wt. % to about 60 wt. % of the polymer composition.26. The polymer composition of claim 25 , wherein the liquid crystalline polymer matrix constitutes from about 25 wt. % to about 95 wt. % of the composition.27. The polymer composition of claim 25 , wherein the liquid crystalline polymer matrix includes a polymer that contains aromatic ester repeating units.28. The polymer composition of claim 27 , wherein the aromatic ester repeating units are aromatic dicarboxylic acid repeating units claim 27 , aromatic hydroxycarboxylic acid repeating units claim 27 , aromatic diol repeating units claim 27 , or a combination thereof.29. The polymer composition of claim 27 , wherein the polymer has a total amount of repeating units derived from naphthenic hydroxcarboxylic and/or naphthenic dicarboxylic acids of more than about 10 mol. %.30. The polymer composition of claim 27 , wherein the polymer contains repeating units derived from 4-hydroxybenzoic acid claim 27 , terephthalic acid claim 27 , hydroquinone claim 27 , 4 claim 27 ,4′-biphenol claim 27 , 6-hydroxy-2-naphthoic acid claim 27 , 2 claim 27 ,6-naphthelene dicarboxylic acid claim 27 , or a combination thereof.31. The polymer composition of claim 25 , wherein at least ...

SURFACE MODIFIED PARTICULATE AND SINTERED OR INJECTION MOLDED PRODUCTS

Disclosed are interfacially modified particulate and polymer composite material for use in injection molding processes, such as metal injection molding and additive process such as 3D printing. The composite material is uniquely adapted for powder metallurgy processes. Improved products are provided under process conditions through surface modified powders that are produced by extrusion, injection molding, additive processes such as 3D printing, Press and Sinter, or rapid prototyping. 124-. (canceled)25. A filament adapted for use in an additive manufacturing system , the system comprising a digitally controlled applicator that can deposit the filament in a controlled x-y plane and in a z-direction filament application to obtain a pre-form object; the filament comprising:(a) about 15 to 1 wt. % of a thermoplastic polymer; and(b) about 99 to 85 wt. % of a ferrous metal particulate, dispersed in the polymer, the particulate having a particle size of less than 500 microns, and an exterior coating of interfacial modifier on the particulate in an amount of about 0.005 to 2 wt. %, all percentages based on the weight of the filament.26. The filament of wherein the metal particulate comprises a blend of a first particle and a second particle with a size ratio of between about 2:1 to 7:1.27. The filament of wherein the first particle as a particle size of 4 to 100μ and the second particle as a particle of 5 to 50μ.28. The filament wherein the filament comprises a stainless steel particulate.29. The filament of wherein the filament comprises the stainless steel particulate dispersed in a polyolefin.30. The filament of wherein the filament comprises a generally circular cross-section with a diameter of about 0.1 to 5 millimeters.31. The filament wherein the interfacial modifier comprises an organometallic compound selected from the group of organo-titanium compound claim 25 , organo-zirconium compound or mixtures thereof.32. A thermoplastic pellet adapted for use in an ...

BIAXIALLY ORIENTED THERMOPLASTIC POLYMER LAMINATE FILMS FOR LUGGAGE ARTICLES AND METHODS OF MAKING THE SAME

A laminate () of polypropylene films (), a luggage shell () constructed of the laminate (), a method () of making the laminate (), and a method () of making the luggage shell () are provided. The films () include a core () and at least one outer layer (). The laminate () includes a plurality of films (). The laminate () may be formed by laminating a plurality of films under predetermined pressure, temperature, and time conditions. The shell () may be formed by deep drawing a sheet of laminate () while applying heat and tension to the laminate (). 1. A luggage shell comprising: a core of a biaxially oriented thermoplastic polymer, and', 'at least one outer layer of a thermoplastic polymer, the outer layer having a thickness of 0.5% to 25% of the thickness of a film., 'a shell formed of a laminate of a plurality of coextruded films the films comprising'}2. The luggage shell of claim 1 , wherein the film has a thickness of 10 μm±5%-100 μm±5% claim 1 , and/or the core has a thickness of 10 μm±5%-100±5% claim 1 , and/or the outer layer has a thickness of 0.6 μm±5% to 2.5 μm±5% or is 2% to 7% of the thickness of the film.3. (canceled)4. (canceled)5. The luggage shell of claim 1 , wherein from at least two adjacent films to all films of the plurality of films are oriented in the same direction.6. The luggage shell of claim 1 , wherein the biaxially oriented thermoplastic polymer is biaxially oriented polypropylene.7. The luggage shell of claim 1 , wherein the outer layer comprises a copolymer of polypropylene and polyethylene or comprises a terpolymer of polypropylene claim 1 , polyethylene claim 1 , and polybutene.8. The luggage shell of claim 1 , wherein a melting point of the core is higher than a melting point of the outer layer and/or a melting point of the core is at least 10° C. higher than melting point of the outer layer.9. (canceled)10. The luggage shell of claim 1 , wherein the film is stretched and is stretched to a greater extent in one of a transverse ...

Roller device for treating flat material, in particular for smoothing foils or plates, smoothing device, and method for producing flat material, in particular foils or plates

The present invention relates to a roller device for treating sheet-form material, in particular for smoothing films (F*) or sheets, comprising a first roller unit 1 and a second roller unit 2, wherein each roller unit ( 1, 2 ) comprises: at least one drive motor with a motor moment of inertia J M , a roller ( 10, 20 ) with a roller moment of inertia J W , and at least one gear for the kinematic coupling of the roller ( 10, 20 ) to the at least one drive motor with a transmission ratio i MW between the at least one drive motor and the roller ( 10, 20 ), wherein the roller ( 20 ) of the second roller unit ( 2 ) is rotatable in the opposite direction to the roller ( 10 ) of the first roller unit ( 1 ), and wherein there is formed between the roller ( 1 0 ) of the first roller unit ( 1 ) and the roller ( 20 ) of the second roller unit ( 2 ) a first roller gap ( 40 ) through which the sheet-form material (F) is guided. According to the invention, the roller device is characterised in that in at least one of the first and second roller units ( 1, 2 ), the moment of inertia/speed ratio between the at least one drive motor and the roller ( 10, 20 ) M MW is ≦6 and the transmission ratio 1<i MW ≦40 is chosen, wherein M MW = J M J W · i MW 2 where i MW = ( n M n W ) where n M : speed of the drive motor and n W : speed of the roller ( 10, 20 ). The invention relates further to a smoothing device for smoothing films or sheets, and to a process for the production of sheet-form material, in particular of films or sheets.

System and control method for embossed-in-register of sheet

A system and control method for embossed-in-register of a sheet is provided. The system comprises a printed film winding/releasing mechanism, a film laminating roller and a pattern roller spaced from the film laminating roller, wherein the printed film is provided with first identifiers at intervals, and the pattern roller is provided with second identifiers at intervals; the system further comprises: a color code sensing mechanism configured to detect the first identifiers, an encoder configured to detect a rotation position of the pattern roller, and a control system; the control system comprises a storage unit, a data acquisition unit and a control unit; wherein, the control unit is configured to calculate a deviation of a pattern position, corresponding to a current first identifier, of the printed film and a pattern position, corresponding to a current second identifier, of the pattern roller in a same pattern, and generating a control signal of the pattern roller based on the deviation. According to the present application, a high-precision adjustment signal of the pattern roller may be generated, an EIR effect is guaranteed, the outturn percentage is increased, and the production cost is reduced.

THERMOPLASTIC POLYMER COMPOSITION AND METHOD FOR MOLDING THE SAME

A thermoplastic polymer composition comprises a polyethylene polymer composition and a salt of bicyclo[2.2.1]heptane-2,3-dicarboxylic acid. The polyethylene polymer composition can have a Melt Relaxation Ratio of 1.5 or greater. A method for molding a thermoplastic polymer composition comprises the steps of (a) providing an apparatus comprising a die and a mold cavity; (b) providing the thermoplastic polymer composition described above; (c) heating the thermoplastic polymer composition to melt the thermoplastic polymer composition; (d) extruding the molten thermoplastic polymer composition through the die to form a parison; (e) capturing the parison in the mold cavity; (f) blowing a pressurized fluid into the parison to inflate the parison and conform it to the interior surface of the mold cavity; (g) allowing the molded article to cool so that the molded article retains its shape; and (h) removing the molded article from the mold cavity. 1. A thermoplastic polymer composition comprising:(a) a polyethylene polymer composition having a Melt Relaxation Ratio of 1.5 or greater; and(b) a salt of bicyclo[2.2.1]heptane-2,3-dicarboxylic acid.2. The thermoplastic polymer composition of claim 1 , wherein the polyethylene polymer composition has a Melt Relaxation Ratio of 1.55 or greater.3. The thermoplastic polymer composition of claim 1 , wherein the polyethylene polymer composition has a Melt Flow Index at 190° C. of 1 dg/min or less.4. The thermoplastic polymer composition of claim 1 , wherein the thermoplastic polymer composition comprises a salt of cis-endo-bicyclo[2.2.1]heptane-2 claim 1 ,3-dicarboxylic acid.5. The thermoplastic polymer composition of claim 1 , wherein the salt of bicyclo[2.2.1]heptane-2 claim 1 ,3-dicarboxylic acid is calcium bicyclo[2.2.1]heptane-2 claim 1 ,3-dicarboxylate.6. The thermoplastic polymer composition of claim 1 , wherein the thermoplastic polymer composition contains about 100 ppm to about 3 claim 1 ,000 ppm of the salt of bicyclo[2.2.1] ...

Extruder for Processing Hydrocarbon-Containing Materials

An extruder for processing hydrocarbon-containing material. The extruder includes a screw that is rotatably positioned in a auger barrel and a heating system positioned about at least a portion of the auger barrel that is designed to heat the hydrocarbon-containing material as the hydrocarbon-containing material moves through the auger barrel.

Processing Technology for Making Seepage Irrigation Pipe with Alternate Effluent Section and Non-Effluent Section

The present invention relates to a processing technology for manufacturing seepage irrigation pipe with alternating effluent sections and non-effluent sections, and in particular, to the field of underground seepage irrigation in agriculture and forestry. The processing technology combines the production unit for water-effluent pipes with the production unit for non-effluent pipes, and produces the seepage irrigation pipeline by adjusting the raw material ratios, controlling the spindle speed, spindle acceleration time, and spindle deceleration time of the two pipeline production units, to generate a seepage irrigation pipe with alternating effluent sections and non-effluent sections. The lengths of the effluent sections and non-effluent sections can be adjusted, the pipe wall thickness can also be adjusted by adjusting the inner and outer diameter of the internal mold of the pipe forming unit, a seepage irrigation pipe with alternating effluent sections and non-effluent sections is environment-friendly, efficient, water-saving, and useful for underground irrigation.

ADJUSTABLE VENTURI RING

An apparatus includes an upper lip positioned with respect to an air flow passage. The upper lip is to direct air flow from the air flow passage around a bubble of blown film. The apparatus further includes a Venturi ring movably mounted with respect to the upper lip and adjustable in position with respect to the upper lip. The Venturi ring is to adjustably lock the bubble of blown film. 1. An apparatus comprising:a fixed upper lip positioned to define an air flow passage of fixed dimensions, the fixed upper lip to direct air flow from the air flow passage around a bubble of blown film; anda Venturi ring movably mounted with respect to the fixed upper lip and adjustable in position with respect to the fixed upper lip, the Venturi ring to adjustably lock the bubble of blown film.2. The apparatus of claim 1 , further comprising a secondary collar extending from the Venturi ring to cooperate with the Venturi ring to adjustably lock the bubble of blown film.3. The apparatus of claim 1 , wherein a volumetric flow rate of air through the air flow passage is dependent only on blower speed.4. The apparatus of claim 3 , wherein the Venturi ring is distant from the air flow passage and movement of the Venturi ring with respect to the fixed upper lip does not substantially change the air flow passage.5. The apparatus of claim 1 , further comprising a proximity sensor to determine a gap between the blown film and the fixed upper lip.6. The apparatus of claim 5 , wherein the proximity sensor is disposed on the Venturi ring.7. The apparatus of claim 5 , wherein the proximity sensor is movable to determine the gap between the blown film and the fixed upper lip at different positions around the bubble.8. The apparatus of claim 5 , further comprising a controller connected to the proximity sensor claim 5 , the controller and the proximity sensor forming a feedback control loop to control a position of the Venturi ring to provide a target gap between the blown film and the fixed ...

METHOD FOR PRODUCING POLYESTER FILM HAVING FURANDICARBOXYLATE UNIT

It is provided that a method for producing a biaxially oriented polyester film that can be used for industrial and packaging applications. A method for producing a biaxially oriented polyester film, comprising: a step of feeding a polyester resin into an extruder, a step of extruding the molten polyester resin from an extruder to obtain a molten resin sheet at 250 to 310° C., a step of attaching the molten resin sheet closely to a cooling roll by an electrostatic application method to obtain an unstretched sheet, and a step of biaxially stretching the unstretched sheet, wherein the polyester resin fulfills the following (A) to (C): (A) the polyester resin comprises a polyethylene furandicarboxylate resin composed of a furandicarboxylic acid and ethylene glycol; (B) an intrinsic viscosity of the polyester resin is 0.50 dL/g or more; (C) a melt specific resistance value at 250° C. of the polyester resin is 3.0×10ω·cm or less. 1. A method for producing a biaxially oriented polyester film , comprising:a step of feeding a polyester resin into an extruder,a step of extruding the molten polyester resin from an extruder to obtain a molten resin sheet at 250 to 310° C.,a step of attaching the molten resin sheet closely to a cooling roll by an electrostatic application method to obtain an unstretched sheet, anda step of biaxially stretching the unstretched sheet,wherein the polyester resin fulfills the following (A) to (C):(A) the polyester resin comprises a polyethylene furandicarboxylate resin composed of a furandicarboxylic acid and ethylene glycol;(B) an intrinsic viscosity of the polyester resin is 0.50 dL/g or more;{'sup': '7', '(C) a melt specific resistance value at 250° C. of the polyester resin is 3.0×10Ω·cm or less.'}2. The method for producing a biaxially oriented polyester film according to claim 1 , wherein a melt specific resistance value of the molten resin sheet is 2.5×10Ω·cm or less at a temperature at which the molten resin sheet is extruded from the ...

IMPROVED PROCESS FOR MANUFACTURING COMPOSITE PRODUCT

The present invention relates to an improved process for manufacturing an extruded composite product comprising natural fibers and a thermoplastic polymer. According to the present invention, mixing as well as crosslinking takes place inside an extruder. The natural fibers may be provided for example in the form of pulp or wood particles. 1. A process for manufacturing an extruded composite product comprising the steps ofa) introducing natural fibers and particles of a thermoplastic polymer and optionally 0.5-5 wt-% of coupling agent and optionally 0.5-4 wt-% of lubricant into an extruder, wherein a moisture content of the natural fibers and thermoplastic polymer particles introduced into the extruder is less than 1 wt-%, and wherein the natural fibers have either been mixed with 1-20 wt-% of crosslinking agent prior to being introduced into the extruder or the crosslinking agent is introduced into the extruder via another inlet different than the inlet through which the natural fibers and thermoplastic polymer particles are introduced and wherein a temperature in the extruder at the point where the crosslinking agent is introduced is less than 150° C.; andb) if the coupling agent and lubricant was not introduced in step a), introducing 0.5-5 wt-% of coupling agent and optionally 0.5-4 wt-% of lubricant into the extruder via an inlet which is different from where the natural fibers, thermoplastic particles and optionally crosslinking agent are introduced into the extruder and mixing, a temperature in the extruder during mixing being at least 170° C. and wherein a pressure exerted on the introduced materials inside the extruder during mixing is at least 50 bar; andc) extruding a composite product through a die.2. The process according to claim 1 , wherein the natural fibers are provided in the form of wood flour.3. A process according to claim 2 , wherein the wood flour has been thermally or chemically modified prior to step a).4. The process according to claim 1 , ...

Inner deckle for die and die

An inner deckle for a die includes a shaft-shaped deckle main body and a sheet- or film-shaped deckle auxiliary portion extending from the deckle main body. The inner deckle is arranged at each end of a die. The die includes a die piece and is formed with a manifold and a slit. The deckle main body includes a seal reinforcing portion. A liquid material is supplied into the manifold. The seal reinforcing portion includes at least one sealing member having two or more films. The films slide and are simultaneously elastically deformed against an inner wall of the manifold when a position of the inner deckle is moved with respect to the die. The films cooperate with each other and are closely attached to the inner wall by an elastic restoring force when the position of the inner deckle is fixed with respect to the die.

EXTREMELY LOW ODOR STYRENIC POLYMER COMPOSITION

Disclosed are vinylidene substituted aromatic polymers which include a zinc salt. Disclosed is a method of reducing the total volatile organic components in a vinylidene substituted aromatic polymer. Disclosed is a method of making vinylidene substituted aromatic polymers which include a zinc salt. Disclosed is a masterbatch which includes a styrenic polymer, a zinc salt and optionally a pigment and methods of making the masterbatch. The masterbatch may be used in a method making a styrenic polymer molded part. 1. A styrenic polymer including from about 0.05 wt % to about 2.0 wt % of a zinc salt and a pigment , wherein the zinc salt is a zinc salt of a fatty acid , wherein the amount of volatile organic compounds is less than 30 μg/g and the amount of residual styrene is between 50 ppm and 300 ppm of the composition.2. The polymer of claim 1 , wherein the polymer is general purpose styrene (GPPS) claim 1 , high impact polystyrene (HIPS) claim 1 , styrene-acrylonitrile (SAN) claim 1 , acrylonitrile-butadiene-styrene (ABS) or combinations thereof.3. The polymer of claim 1 , wherein the pigment is present in an amount of 0.1% to 15% by weight of the styrenic polymer composition.4. The polymer of claim 1 , wherein the zinc salt is zinc ricinoleate claim 1 , zinc stearate claim 1 , zinc palmitate claim 1 , zinc laurate claim 1 , or combinations thereof.5. The polymer of claim 1 , wherein the amount of volatile organic compounds is less than about 20 μg/g.6. The polymer of claim 1 , wherein the pigment is an inorganic pigment.7. The polymer of claim 1 , further comprising one or more of a zeolite claim 1 , activated carbon claim 1 , or bamboo charcoal.8. The polymer of claim 6 , wherein the inorganic pigment is comprised of carbon black.9. The polymer of claim 1 , wherein the amount of residual styrene is between about 50 ppm and about 200 ppm.10. A method of reducing the amount of volatile organic compounds in a styrenic polymer comprising adding from about 0.05 wt % to ...

FILM, FILM MANUFACTURING METHOD, LAMINATED BODY, AND PACKAGING MATERIAL

To provide a film made of polychlorotrifluoroethylene (PCTFE), of which a laminate with other layer is less likely to curl when subjected to drawing. 1. A film comprising polychlorotrifluoroethylene ,having thermal shrinkage rates within ±1.2% in MD and in TD when heated at 140° C. for 30 minutes and then cooled to 25° C., based on the dimension at 25° C.2. The film according to claim 1 , which has a haze per thickness 100 μm of from 3 to 20%.3. The film according to claim 1 , which has a water vapor transmission rate of at most 0.07 g/(m·day) per thickness 100 μm at 37.8° C. under a relative humidity of 100%.4. The film according to claim 1 , which has tensile elongations in MD and in TD at 23° C. of respectively at least 30%.5. A process for producing a film claim 1 , which comprise melting a resin material containing polychlorotrifluoroethylene and extruding it into a film from an extrusion die claim 1 , and bringing the extruded product into contact with at least one casting roll to form a film claim 1 ,wherein before the extruded product is brought into contact with the at least one casting roll, the surface temperature of the extruded product is adjusted to be less than 170° C.6. The process for producing a film according to claim 5 , wherein before the extruded product is brought into contact with the at least one casting roll claim 5 , air in a laminar follow is made to blow on the extruded product by an air knife.7. The process for producing a film according to claim 5 , wherein the distance from the outlet of the extrusion die to the contact point where the extruded product is brought into contact with the at least one casting roll for the first time claim 5 , is from 80 to 1 claim 5 ,000 mm.8. The process for producing a film according to claim 6 , wherein the distance from the outlet of the extrusion die to the contact point where the extruded product is brought into contact with the at least one casting roll for the first time claim 6 , is from 80 to ...

METHOD FOR MANUFACTURING FILM, FILM, LAMINATED BODY, AND PACKAGING MATERIAL

To provide a process for producing a film excellent in water vapor barrier property, tensile elongations and transparency. 1. A process for producing a film , which comprises:melting a resin material containing polychlorotrifluoroethylene and extruding it into a film from an extrusion die, bringing the extruded product into contact with a cooling roll having a surface temperature of at most 120° C. in a state such that the surface temperature of the extruded product is higher than the crystallization temperature of the polychlorotrifluoroethylene to form a film web, andsubjecting the film web to heat treatment at from 80 to 200° C.2. The process for producing a film according to claim 1 , wherein the film web has a haze per thickness 100 μm of at most 3%.3. The process for producing a film according to claim 1 , wherein the film web has tensile elongations in MD and in TD at 23° C. of respectively at least 30%.4. The process for producing a film according to claim 1 , wherein the heat treatment is carried out so that the density of the film after the heat treatment is from 100.2 to 102.5% of the density of the film web.5. The process for producing a film according to claim 1 , wherein the density of the film web is at most 2.120 g/cm.6. The process for producing a film according to claim 5 , wherein the heat treatment is carried out so that the density of the film is at least 2.125 g/cm.7. The process for producing a film according to claim 1 , wherein the heat treatment is applied to the film web wound into a roll.8. The process for producing a film according to claim 1 , wherein the heat treatment is applied while the film web wound into a roll is unwound and conveyed claim 1 , or while the film web is conveyed without being wound.9. A film claim 1 , which comprises polychlorotrifluoroethylene claim 1 ,{'sup': '2', 'has a water vapor transmission rate of at most 0.07 g/(m·day) per thickness 100 μm at 37.8° C. under a relative humidity of 100%,'}has a haze per ...

WATER SOLUBLE SHOPPING BAG AND PREPARATION METHOD THEREOF

A water-soluble shopping bag and a preparation method thereof. The water-soluble shopping bag consists of the following components according to the following parts by weight: 100 parts of polyvinyl alcohol, 8-20 parts of a composite plasticizer; 10-30 parts of a polysaccharide and the derivative thereof; 1-5 parts of a processing aid, 0.1-0.5 parts of a film slipping agent and 0.5-3.0 parts of a film anti-blocking agent. The preparation method comprises the following steps: mixing the components according to the parts by weight, extruding the mixture to form pellets after mixing, then performing blow molding to form a film, and then preparing various types and sizes of water-soluble shopping bags. The water-soluble shopping bag has higher bearing capacity and cold water solubility, is suitable for use in water-free environment, and dissolves upon contacting water without producing pollution after being used. 2. The water-soluble shopping bag according to claim 1 , wherein the polyvinyl alcohol is selected from partially alcoholized polyvinyl alcohol with a polymerization degree of 300 to 2400 and an alcoholysis degree of 88% claim 1 , which specifically comprises more than one powder materials with brand names of PVA-0388 claim 1 , PVA-0588 claim 1 , PVA-1788 claim 1 , PVA-2088 claim 1 , PVA-2288 and PVA-2488.3. The water-soluble shopping bag according to claim 1 , wherein the composite plasticizer comprises polyol claim 1 , polyol ether and fatty acid amine or fatty alcohol amine claim 1 , and the composite plasticizer is composed of polyol claim 1 , polyol ether and fatty acid amine or fatty alcohol amine in a mass ratio of 6:3:1.4. The water-soluble shopping bag according to claim 3 , wherein the polyol is water-soluble polyol claim 3 , which comprises one of glycerol claim 3 , ethylene glycol claim 3 , diethylene glycol claim 3 , sorbitol claim 3 , trimethylolpropane claim 3 , pentaerythritol and mannitol.5. The water-soluble shopping bag according to claim 1 , ...

Systems and methods for making composite structures

A system for depositing a composite filler material into a channel of a composite structure includes an end-effector configured to extrude a bead of the filler material into the channel. The filler material can comprise a first group of relatively long fibers, a second group of relatively short fibers and a resin. A drive system is configured to move the end-effector relative to the channel, and a position sensor is configured to detect the position of the bead relative to the channel. A controller is configured to operate the drive system in response to the detected position and to operate the end-effector to heat and compress the filler material so as to orient the longer fibers in a substantially longitudinal direction relative to the channel and the shorter fibers in substantially random directions relative to the channel when the bead is extruded into the channel.

A nozzle and a tundish arrangement for the granulation of molten material

A nozzle, a tundish arrangement used for the production of granulated material, and a method and apparatus for the production of a granulated material with an improved size distribution are provided. The grain size and grain size distribution is controlled by a nozzle having a specific design. The nozzle comprises an upper inlet opening, sidewalls forming a channel, a bottom and at least one outlet opening or at least one row of outlet openings at the lower end of the channel. The outlet opening(s) in the channel have a size of at least 5 mm in the smallest dimension. A cross sectional area of the channel at the inlet A C is at least 3 times bigger than the total area of the outlet openings A T .

SCREW EXTRUDER

A screw extruder for extruding a kneaded material includes a screw and a casing housing the screw and having a material supply port on an upstream side in an extrusion direction of the kneaded material and a tip-side opening on a downstream side in the extrusion direction. A pressure sensor for measuring a pressure inside the casing is provided between a downstream end of the supply port and the tip-side opening of the casing. A rotational speed of the screw is controlled depending on the pressure measured by the pressure sensor. 1. A screw extruder for extruding a kneaded material , comprising:a screw; anda casing housing the screw and having a material supply port on an upstream side in an extrusion direction of the kneaded material and a tip-side opening on a downstream side in the extrusion direction,wherein a pressure sensor for measuring a pressure inside the casing is provided between a downstream end of the supply port and the tip-side opening of the casing, andwherein a rotational speed of the screw is controlled depending on the pressure measured by the pressure sensor.2. The screw extruder according to claim 1 ,wherein an inner wall surface of the casing has an outer edge shape in which two circles partially overlap each other on the same plane in a section perpendicular to the extrusion direction of the kneaded material,wherein a pair of left and right screws, as the screw, are housed in the casing, andwherein a pressure inside the casing in a part defined in the section by a virtual line horizontally extending from a top portion at a bottom-side center of the casing and virtual lines respectively extending downward from rotation centers of the pair of left and right screws is measured by the pressure sensor.3. The screw extruder according to claim 2 ,wherein a plurality of pressure sensors, as the pressure sensor, are provided so as to measure respective pressures in a left chamber of the casing and a right chamber of the casing.4. The screw extruder ...

Extrusion device for the processing of plastics, which can be coupled to systems for supplying thermosetting and thermoplastic polymers

A group of hollow modules through which the material to be extruded flows, is provided that includes at least: a rectangular heating-shaping module (6), in which the material undergoes a temperature increase and takes on the desired shape; and a tubular cooling-solidification module (8), in which the material, which has taken on the desired shape, changes from liquid to solid with said shape. A heating-reaction module (2) is provided upstream of module (6). The heating-reaction module (2) includes an interchangeable hollow tube (3) with an external heating system (4). The heating-shaping module (6) includes detachable parts (7) and includes another external heating system (4) based on the auto-acceleration of the curing reaction and of the heat supply from said system (4). The tubular portion between module (2) and module (6) includes a shaping coupling (5) equipped with a through-hole. The extrusion module includes a circuit through which the polymer flows into at least two push compartments (20).

Extrudate transport apparatus having a free floating roller assembly

An extrudate transport apparatus comprises a free floating roller assembly, wherein the roller assembly controls a rotational pitch of a cylindrical green ceramic extrudate as the green ceramic extrudate moves longitudinally from a first location to a second location within the extrudate transport apparatus. The free floating roller assembly has a predetermined effective weight and comprises a contact roller having a deformable outer surface for frictionally contacting an outer surface of the green ceramic extrudate in motion adjacent thereto, while maintaining a constant contact force upon said green ceramic extrudate.

Extrusion Device

An extrusion device comprises at least one supply station suitable for containing a material to be extruded; a plurality of propellers operatively connected to at least one supply station for receiving the material to be extruded and at least one extrusion head connected to at least one propeller. Each propeller can also be selectively activated to modulate an extrusion speed and/or a quantity of material to be extruded as an output from the extrusion head. 1. Extrusion device comprising:at least one supply station suitable for containing a material to be extruded;a plurality of propellers, each propellerbeing operatively connected to at least one supply station for receiving the material to be extruded from said at least one supply station;at least one extrusion head, arranged downstream of said plurality of propellers, connected to at least one propeller for receiving the material to be extruded from said propeller;wherein each propeller can be selectively activated to modulate an extrusion speed and/or a quantity of material to be extruded as an output from the extrusion head,characterized in that it further comprises:a first supply station suitable for containing a first material to be extruded;a second supply station suitable for containing a second material to be extruded;a plurality of propellers comprising:a first propeller operatively connected to the first supply station for receiving the first material to be extruded from said first supply station;a second propeller operatively connected to the second supply station for receiving the second material to be extruded from said second supply station;a third propeller selectively connected to the first or to second supply station for receiving the first or second material to be extruded from said first or second supply station; anda plurality of extrusion heads, arranged downstream of said plurality of propellers, each propeller head being connected to at least one propeller for receiving from said propeller ...

Apparatus And Method For Providing Marks On Extruded Films

The invention relates to an apparatus for providing marks on extruded films, in particular on stretched films, which are exiting an extrusion lip of a film extruder and a respective method. The apparatus comprises at least one nozzle means for directing a gas stream, preferably an air stream to a surface of the film exiting the extrusion lip of the film extruder, wherein the nozzle means are configured and arranged in such a manner that the gas stream locally causes a cooling of the extruded film to create a local mark (FIG. 1 ).

Three-dimensional printer with force detection

An extruder or other tool head of a three-dimensional printer is instrumented to detect contact force against the extruder, such as by a build platform or an object being fabricated. The tool head may also be instrumented to detect deflection forces and the like acting on the tool that might indicate an operating error. The resulting feedback data can be used in a variety of ways to control operation of the three-dimensional printer during fabrication or diagnostics.

Three-dimensional fabrication with cavity filling

A three-dimensional printer is configured to fill interior cavities of a fabricated object with functional or aesthetic materials during fabrication. In general, a number of layers can be fabricated with an infill pattern that leaves void space within an exterior surface of the object. These void spaces can receive a second material such as an epoxy or adhesive that spans multiple layers of the object to increase structural integrity. Similarly, aesthetic materials may be used to add color, opacity, or other desired properties to a fabricated object. The void spaces can also or instead form molds that are filled with a build material to provide a fabricated object.

Polypropylene resin composition and expanded molding

A polypropylene-based resin composition is provided that can provide a foam molding that exhibits an excellent closed cell characteristic and excellent extrusion characteristics, that is light weight and has a rigid feel, and that has an excellent recyclability. This polypropylene-based resin composition contains 100 weight % or is less than 100 weight % but at least 70 weight % of component (A) below and contains 0 weight % or is greater than 0 weight % but not more than 30 weight % of component (B) below, component (A): a propylene-based resin composition that comprises at least the following two components: a propylene-α-olefin copolymer (A1) satisfying conditions (A-1) to (A-3) and a propylene homopolymer (A2), (A1) and (A2) being obtained by polymerization by a multistage polymerization method, and this propylene-based resin composition having a content of (A1) of 1 to 20 weight % and a content of (A2) of 99 to 80 weight %, having a melt flow rate in the range from 5 to 20 g/10 minutes and exhibiting strain hardening in a measurement of extensional viscosity at a temperature of 180° C. and a strain rate of 10 s −1 , (A-1) an α-olefin content of 15 to 85 weight %, (A-2) an intrinsic viscosity q of 5 to 20 dL/g, (A-3) a Mw/Mn of 5 to 15; component (B): a propylene-based resin composition comprising at least the following two components: a propylene homopolymer or a propylene-α-olefin copolymer having a content of non-propylene α-olefin of less than 1 weight % (B1), which has an MFR of 10 to 1000 g/10 minutes, and a propylene-α-olefin copolymer (B2) that has a weight-average molecular weight of 500,000 to 10,000,000 and a content of non-propylene α-olefin of 1 to 15 weight %, (B1) and (B2) being obtained by polymerization by a multistage polymerization method, and this propylene-based resin composition having a content of (B1) of 50 to 90 weight % and a content of (B2) of 50 to 10 weight %, and satisfying prescribed conditions (B-1) to (B-3).

METHOD FOR MANUFACTURING STRUCTURE, INTEGRALLY-MOLDED BODY, AND METHOD FOR MANUFACTURING INTEGRALLY-MOLDED BODY

According to a method for manufacturing a structure that is provided, it is possible to prevent creases on a skin sheet when the skin sheet and a molten resin sheet are integrally molded using a mold. The method provided by the present invention is a method for manufacturing a structure including the step of integrally molding a skin sheet and a molten resin sheet using a mold. The molding is performed with the skin sheet under tension. 1. A method for manufacturing a structure comprising the step of integrally molding a skin sheet and a molten resin sheet using a mold , wherein the molding is performed with the skin sheet under tension.2. The method according to claim 1 , wherein the resin sheet is formed by extruding molten resin through a slit and drooping the molten resin.3. The method according to claim 1 , wherein the tension is applied to the skin sheet widthwise.4. The method according to claim 3 , whereinthe tension is applied by an expander,the expander includes a pair of holding units,each of the skin sheet and the resin sheet is held at both ends widthwise by the pair of holding units, anda distance between the pair of holding units is increased to apply the tension to the skin sheet.5. The method according to claim 1 , whereinthe mold includes a first and a second mold, andthe skin sheet and the resin sheet are sandwiched between the first and second molds to perform the molding.6. The method according to claim 5 , whereinthe first mold includes a protrusion,the resin sheet is placed between the skin sheet and the first mold,the resin sheet and the skin sheet are pressed against the protrusion, and then sandwiched between the first and second molds to perform the molding, andthe skin sheet is pressed against the protrusion to apply the tension to the skin sheet.7. The method according to claim 1 , wherein the resin sheet is a foamed resin sheet.8. The method according to claim 1 , wherein the skin sheet is a nonwoven fabric sheet.9. An integrally-molded ...

Method of producing electrically conductive foam rubber roller, electrically conductive foam rubber roller, and image forming apparatus

The present invention provides a production method for producing an electrically conductive foam rubber roller which has a tubular body free from internal abnormal foaming and hence free from internal cracking after the foaming. The production method includes the steps of: continuously extruding a rubber composition into a tubular body ( 7 ); and passing the extruded tubular body ( 7 ) through a microwave crosslinking device ( 8 ) and then through a hot air crosslinking device ( 9 ) in an elongated state without cutting the tubular body. The rubber composition is extruded, foamed and crosslinked so that the tubular body has a thickness unevenness of not greater than 1.3 immediately after being passed through the hot air crosslinking device ( 9 ), the thickness unevenness being defined as a ratio T max /T min between a maximum radial thickness T max and a minimum radial thickness T min of the tubular body which are each measured in a cross section of the tubular body.

Process and Apparatus for Continuous Granulation of Powder Material

The present disclosure relates to a process for preparing granules from an input material or a powder material. The process comprises feeding the input material for granulation in the processor using one or more powder feeders, introducing steam as a granulation activating agent in the processor, granulating the input material in presence of the steam to form granules, and optionally collecting the granules from a discharge zone of the processor, wherein feed rate of the steam into the processor is determined based on feed rate of the input material into the processor. A co-rotating twin-screw processor for preparing granules is also disclosed.

INSTALLATION FOR PRODUCING A POLYMER MELT AND USE OF SUCH AN INSTALLATION FOR PRODUCING A POLYMER MELT FOR A POROUS FILM

An installation for producing a polymer melt for a porous film, in particular for a membrane film, comprises a planetary roller extruder. Said extruder is used to produce a flowable polymer melt from thermoplastics. The planetary roller extruder has a filling opening and a discharge side for delivering the polymer melt. A melt pump is further provided. The discharge side of the planetary roller extruder is connected to a downstream inlet side of the melt pump for further conveying the polymer melt. The connection is in the form of a pressure channel shielded from the ambient atmosphere or a pressure line shielded from the ambient atmosphere. The planetary roller extruder and the melt pump are designed and/or can be driven in such a manner that the polymer melt is applied or can be transferred under pressure at the melt pump on the inlet side. 2. Installation according to claim 1 , wherein:the pressure under which the polymer melt is applied or can be transferred at the inlet side of the melt pump is greater than 4 bar, 5 bar, 6 bar, 7 bar, 8 bar, 9 bar, 10 bar, 11 bar 13 bar, 15 bar 17 bar or greater than 19 bar.3. Installation according to claim 1 , wherein:in order to increase the pressure under which the polymer melt is applied or can be transferred at the inlet side of the melt pump, the melt pump is designed to reduce the pump speed thereof in such a manner that the polymer melt backs up from the inlet side of the melt pump towards the discharge side of the planetary roller extruder, the continuous material flow of the further polymer melt counteracting this backflow in such a manner that the pressure is increased.4. Installation according to claim 1 , wherein:the filling opening is provided as a common filling opening for a polymer, in particular for a powdered polymer, and for fillers, in particular in the form of liquid components.5. Installation according to claim 1 , wherein:a drive apparatus is provided for driving the planetary roller extruder;the ...

Method for manufacturing resin film for thin film-capacitor and the film therefor

The present invention provides a resin film for a film capacitor making it possible to obtain the excellent heat resistance, materialize a reduction in a size of the film capacitor and an increase in a capacity thereof and satisfy a reduction in a thickness of the film and a high voltage resistance thereof. In a manufacturing method in which an extruding equipment 10 is charged with a molding material 1 to extrude a film 2 for a film capacitor from a T die 20, in which the above extruded film 2 for a film capacitor is interposed between plural rolls in a receiving device 30 and cooled and in which the above cooled film 2 for a film capacitor is wound on a winding tube 42 of a winding device 40 , 100 parts by mass of a polyetherimide resin is blended with 1 to 10 parts by mass of a fluorocarbon resin to prepare the molding material 1; the above molding material 1 is extruded through a filter 50 having apertures 51 which are 0.5 to 6 times or less as large as an average thickness of the film. 2 for a film capacitor, which is provided between the extruding equipment 10 and the T die 20; and a thickness of the film 2 for a film capacitor is controlled to 10 pm or less.

Board using crosslinked polylactic acid and method for preparing same

The present invention relates to a board using crosslinked polylactic acid and a method for preparing same, and more specifically, to a board using the crosslinked polylactic acid which has superior processing properties during the preparation process and superior water-resistant properties after processing, by using a composition comprising the crosslinked polylactic acid and wood fiber, and to a method for preparing the same.

METHOD AND FACILITY FOR PRODUCING POLYLACTIDE (PLA) FROM A LACTIDE MIXTURE BY MEANS OF POLYMERIZATION

A method and a facility produce polylactide (PLA) by polymerization, in which a lactide mixture is mixed with at least one catalyst, is introduced into a modular planetary roller extruder and the finished PLA is then removed. The lactide mixture continuously passes through segments of the extruder. The course of the reaction is measured and controlled in the segments in a targeted manner such that the temperature can be set by heating and/or cooling. The pressure can be variably set depending on pressure values to be checked by a controllable gas extraction and/or a controllable extruder speed and/or static variability of the planetary rollers and/or a variable metering speed of the lactide mixture and/or a variable mixing ratio of the lactide mixture. Flammable gas is removed in an explosion-protected zone in a partial region of the extruder. Additives are introduced into the extruder during the rolling process.

A method of extruding a thermoplastic polymer of a desired color and an apparatus for performing the method

The present invention comprises a method. The method comprises selectively feeding color masterbatch thermoplastic polymer pellets or granules to an extruder from a first gravimetric feeder operatively connected to a computing device and adapted to receive signals from the computing device to control the amount of the color masterbatch thermoplastic polymer pellets or granules dispensed therefrom and feeding non-colored thermoplastic polymer pellets or granules to the extruder from a second gravimetric feeder operatively connected to the computing device and adapted to receive signals from the computing device to control the amount of non-colored polymer pellets or granules dispensed therefrom. The method further comprises wherein the computing device is adapted to send signals to the first and second gravimetric feeders to separately adjust the rates at which the first and second gravimetric feeders each feed the color masterbatch thermoplastic polymer pellets or granules and the non-colored thermoplastic polymer pellets or granules to the extruder; wherein the second gravimetric feeders is sent signals to continuously feed the non-colored thermoplastic polymer pellets or granules to the extruder at a desired rate; and wherein the first gravimetric feeder is randomly sent signals to feed the color masterbatch thermoplastic polymer pellets or granules to the extruder at a first rate and randomly sent signals to feed the color masterbatch thermoplastic polymer pellets or granules to the extruder at a second rate that is different from the first rate.

MULTI-LAYER FILM WITH IMPROVED MODULUS PROPERTIES

The invention relates to a multi-layer, preferably co-extruded, plastic film with improved modulus properties, which is suitable, in particular, for producing three-dimensionally shaped articles. 118-. (canceled)19. Multi-layer plastic film , wherein{'sub': 'g', 'it has a layer A containing at least one polycarbonate or copolycarbonate and/or a polyester or copolyester having a glass transition temperature Tfrom 80° C. to 200° C.,'}and at least one layer B containing at least one thermoplastic polyurethane and/or polyester or copolyester exhibiting a hardness from 45 Shore D to 85 Shore D.20. Multi-layer plastic film according to claim 19 , wherein the film has a layer A containing at least one polyester or copolyester having an inherent viscosity from 0.50 dL/g to 1.20 dL/g and a glass transition temperature Tfrom 80° C. to 200° C.21. Multi-layer plastic film according to wherein the at least one layer B containing at least one thermoplastic polyurethane exhibiting a hardness from 45 Shore D to 85 Shore D.23. Multi-layer plastic film according to claim 19 , wherein the thermoplastic polyurethane exhibits a hardness from 50 Shore D to 80 Shore D.24. Multi-layer plastic film according to claim 22 , wherein the polyether diols a) used for producing the thermoplastic polyurethane are selected from one or more polyether diols of the group based on 1 claim 22 ,4-butanediol units and/or 1 claim 22 ,3-propylene glycol units.25. Multi-layer plastic film according to claim 22 , wherein the organic diisocyanate b) used for producing the thermoplastic polyurethane is selected from one or more isocyanates of the group containing 4 claim 22 ,4′-diphenylmethane diisocyanate claim 22 , isophorone diisocyanate claim 22 , dicyclohexylmethane-4 claim 22 ,4′-diisocyanate or 1 claim 22 ,6-hexamethylene diisocyanate.26. Multi-layer plastic film according to claim 22 , wherein the diol chain-extender c) used for producing of the thermoplastic polyurethane is selected from one or more ...

METHOD FOR PERFORMING A MATERIAL CHANGE IN A FEEDING DEVICE OF AN EXTRUDER

The invention relates to a method for changing the material from a feed mixture to a subsequent mixture in a feed device of an extruder, comprising the following steps: detecting a change request for changing the material, emptying a mixing area of a mixing device of the feed device, identifying the completion of the emptying of the mixing area, and filling the mixing area of the mixing device with the subsequent mixture after the completion of the emptying has been identified. 1. A method for performing out a material change from a feed mixture to a subsequent mixture in a feed device of an extruder , comprising the following steps:detecting change request to execute the material change,emptying a mixing area of a mixing device of the receiving device,detecting the end of emptying the mixing area,filling the mixing area of the mixing device with the subsequent mixture after the detected completion of emptying,wherein at least one of the following steps is performed prior to emptying the mixing area:emptying at least one storage container which is mounted upstream of the mixing device,filling the storage container with a subsequent material for the subsequent mixture,emptying a dosing container which is arranged upstream of the mixing device and downstream of the storage container,filling the dosing container from the at least one storage container with the subsequent material of the subsequent mixture,wherein cascaded filling takes place so that, during operation with the feed mixture, first the storage container and then the dosing container are acted upon with the subsequent material or the subsequent mixture, while the extruder still processes the end of the current formulation conditions with the feed mixture.2. The method according to claim 1 , wherein claim 1 ,at least one of the following partial steps is performed for the step of emptying the mixing area:draining the feed mixture from the mixing area via a drainage opening,emptying the feed mixture into the ...

METHOD FOR MONITORING A PRODUCTION PROCESS, METHOD FOR INDIRECTLY DEDUCING A SYSTEMATIC DEPENDENCY, METHOD FOR ADAPTING QUALITY, METHOD FOR STARTING A PRODUCTION PROCESS, METHOD FOR PRODUCING AN EXTRUSION PRODUCT AND SYSTEM FOR PRODUCING AN EXTRUSION PRODUCT

The invention relates to various aspects in the production of extrusion products. The properties of extruded articles are dependent significantly, in addition to their formulation, also on the setting variables and in particular on the thus resulting process variables. The setting variables and in particular the process variables thus represent a state of the extrusion process characterized as “fingerprint”. The thus claimed invention takes into account these facts and supports the operator of a production plant to detect earlier changes in quality and to systematically counteract a deterioration in the quality. 1. Method for monitoring a production process for an extrusion product by means of a production facility ,where a measured value is determined by means of a sensor; in particular, a process variable of the production process; and a measured value acquired in this manner is compared to a predefined desired value of the measured value; in particular, a process value acquired in this manner to a predefined process desired value,characterized in thata setting parameter is determined and a thus acquired setting parameter actual value of the production facility from a production of the extrusion product is compared to a predefined setting parameter desired valueand any of a deviation of the setting parameter actual value from the setting parameter desired value and/or of the measured value from the desired value of the measured value is indicated.2. Method according to claim 1 , characterized in that the setting parameter desired value and/or the desired value of the measured value are defined in dependence on a production process development parameter.3. Method for monitoring a production process for an extrusion product with a production facility claim 1 ,where a measured value, in particular a process value of the production process, is determined by means of a sensor, and a measured value acquired in this manner is compared to a predefined desired value of the ...

Method for Producing Rubber-Like Polymer

A method for producing a rubber-like polymer comprises extrusion drying rubber-like polymer using an expansion-type extrusion dryer provided with a die having an opening at an outlet; and hot-air drying the rubber-like polymer by using a hot air dryer, water content of the rubber-like polymer at an inlet of the dryer is 6 to 25% by mass; die flow rate F/S obtained by dividing treatment amount (F) of the rubber-like polymer in the dryer by opening area (S) of the die is 1 to 15 kg/hr/mm 2 ; die shape factor obtained by dividing total edge length of the die at the outlet of the dryer by opening area of the die is 1.0 to 4.0 mm −1 ; water content of the rubber-like polymer at the outlet of the dryer is 20 to 70% based on the water content of the rubber-like polymer at the inlet of the dryer.

Transparentization agent composition containing sorbitol compound and method for producing polypropylene resin composition using this sorbitol compound

A transparentization agent composition is a mixture containing 100 parts by mass of a dibenzylidene sorbitol compound represented by a general formula (I) having a particle diameter such that d 97 is from 30 μm to 200 μm and 5 to 200 parts by mass of tetrakis[3(3,5-di-tert-butyl-4-hydroxyphenyl)propionyloxymethyl]methane, wherein the total for the two components is 50% by mass or more of the mixture. Also disclosed is a method for producing a polypropylene resin composition, including obtaining a polypropylene resin composition in which a dibenzylidene sorbitol compound represented by a general formula (I) having a particle diameter such that d 97 is from 30 μm to 200 μm is incorporated in a polypropylene resin, by kneading a mixture containing 100 parts by mass of the polypropylene resin and 0.05 to 2 parts by mass of the dibenzylidene sorbitol compound by using a biaxial extruder at an extrusion temperature of from 220 to 250° C.

Silicate Fiber Polymer Composite

The claimed material relates to a silicate fiber and polymer composite having enhanced modulus, viscoelastic and rheological properties. 121-. (canceled)23. The composite of wherein the CaSiOfiber comprises at least 90 wt. % of wollastonite fiber.24. The composite of wherein the CaSiOfiber has a length about 50-250 microns claim 22 , a diameter about 5-20 microns and an aspect ratio greater than about 15 claim 22 , the fiber having about 0.02 to 3 wt. % of the exterior coating comprising an organotitanate interfacial modifier.25. The composite of comprising about 15 to 50 vol. % of the discontinuous fiber phase and about 50 to 85 vol. % of the continuous polymer phase.26. The composite of wherein the polymer comprises a polyvinylchloride homopolymer.27. The composite of wherein the polymer has a K value of about 50-75 (ISO 1628-2).28. The composite of wherein the CaSiOfiber has about 0.1 to 3 wt. % of an exterior coating comprising an organometallic interfacial modifier.29. The composite of wherein the organometallic interfacial modifier comprises a titanate compound.30. The composite of wherein the exterior coating comprises a continuous layer having a thickness of about 100 to 1500 Å.31. The composite of wherein the organometallic interfacial modifier is free of any reactive coupling agent.32. The composite of wherein the composite comprises about 50 to 70 vol. % of the vinyl chloride polymer and 30 to 50 vol. %. of the CaSiOfiber.33. The composite of wherein the composite comprises about 60 to 70 vol. % of the vinyl chloride polymer and 30 to 40 vol. %. of the CaSiOfiber.34. A thermoplastic composite comprising a discontinuous fiber phase dispersed in about 50 to 75 vol. % of a continuous polymer phase:{'sub': 3', '3, '(a) the discontinuous phase consisting of 10 to 50 vol. %. of a CaSiOfiber, the CaSiOfiber having a length about 55-125 microns, a diameter about 6-15 microns and an aspect ratio greater than about 20, the fibers having about 0.1 to 5 wt. % of an ...

Methods And Installations For Producing A Biaxially Oriented Tube From Thermoplastic Material

A method for producing a biaxially oriented tube from thermoplastic material, wherein a tube in preform condition is extruded from thermoplastic material and is subjected to a temperature conditioning. Use is made of an expansion device and of a drawing device which is arranged downstream of the expansion device. The expansion device includes a non-deformable expansion part and a run-on part located upstream of the expansion part and having an upstream sealing member. The expansion device further includes a first gas discharge duct having one or more first inlet ports in the exterior surface of the expansion device, a first inlet port being open or closed or partly closed dependent on whether or not the first inlet port is covered and closed, or partly closed, by the tube. 1. A method for producing a biaxially oriented tube from thermoplastic material comprising:drawing a tempered tube in preform condition over an expansion device using a drawing device to transform the tube from a tube in a preform condition into a biaxially oriented tube with thermoplastic material that is oriented in an axial direction and in a circumferential direction of the tube; andcooling the biaxially oriented tube;wherein the tube in preform condition is extruded from thermoplastic material using an extruder which is provided with an extruder die head having an inner die member, the inner die member forming a lumen in the tube in preform condition, wherein the tube in preform condition is subjected to a temperature conditioning, so that a tempered tube in preform condition is obtained having an orientation temperature which is suitable for the thermoplastic material;wherein the drawing device is arranged downstream of the expansion device; a non-deformable expansion part having a gradually increasing diameter to a maximum diameter at a downstream end thereof; and', 'a run-on part which is located upstream of the expansion part, the run-on part having an upstream sealing member arranged ...

Resin-film manufacturing apparatus and its control method

In a resin-film manufacturing apparatus of an embodiment, when a lip gap control is started, a difference between a state of a target heat bolt (THB) at a start of current control and a state of each of all the heat bolts at a start of last control is obtained, when the difference between the states of THB at the starts of the current and last control is a smallest one, a learning result of THB is set as an initial value of a control condition for THB, and when the difference between the states of THB is not the smallest one, either one of a learning result of the heat bolt of which the difference between the states is smaller than the difference between the states of THB and the learning result of THB is set as the initial value of the control condition for THB.

Laminate structures and flexible packaging materials incorporating same

Embodiments of the present disclosure are directed to laminates comprising a uniaxially oriented first multilayer film comprising ethylene-based polymer, wherein the uniaxially oriented first multilayer film has a ratio of percent elongation at break in the cross direction to percent elongation at break in the machine direction of at least 2 to 1; and a biaxially oriented second multilayer film adhered to the uniaxially oriented first multilayer film and comprising an ethylene-based polymer, wherein the biaxially oriented second multilayer film has a ratio of percent elongation at break in the machine direction to percent elongation at break in the cross direction of at least 2 to 1.

Moldable capsule and method of manufacture

A method to form moldable capsules of a conductively doped resin-based material are created. A resin-based material is extruded/pultruded onto a bundle of conductive material. The resin-based material and the bundle are sectioned into moldable capsules.

METHOD AND DEVICE FOR PRODUCING PROFILED PLASTIC SECTIONS

The invention relates to a method for producing profiled plastic sections in an extrusion line consisting of multiple tools, wherein a starting material is plasticized and molded in an extruder and then cooled and calibrated in at least one drying calibration unit and at least one calibration tank. The material is then divided into individual profiled sections. The quality of the profiled sections is improved in that a central control unit is provided which is connected to the tools and obtains data from the tools for uniquely identifying the tool and data on the state of the tool and transmits back adjustment data for said tool and other tools. 1. A method for producing plastic profiles in an extrusion line consisting of a plurality of tools , the method comprising;plasticizing and forming a starting material in an extruder;cooling and calibrating the starting material in at least one dry calibration unit and at least one calibration tank;subdividing the starting material into individual plastic profiles;communicatively coupling a central control unit to the plurality of tools;receiving at the central control unit is data from the plurality of tools to uniquely identify the tool and data on the state of the plurality of tools; andadjusting the plurality of tools based on transmitted adjustment data from the central control unit.2. The method according to claim 1 , characterized in that the control device has a database in which a plurality of adjustment data are stored claim 1 , and that this database is used in determining the adjustment data transmitted to the plurality of tools.3. The method according to claim 2 , characterized in that an extrusion model is produced from the data stored in the database claim 2 , and the extrusion model is used for determining the adjustment data transmitted to the plurality of tools.4. The method according to claim 1 , characterized in that the adjustment data is output to the plurality of tools in the form of correction values. ...

Nozzle for extruding a preform tube

An extrusion nozzle for making tubular preforms has a mandrel extending along a vertical axis, an annular and stationary nozzle body spacedly radially surrounding the mandrel, and a holding ring having an upper end axially slidable in the nozzle body, braced axially downwardly against the nozzle body, and having a lower end spaced radially inward from shiftable limitedly radially relative to the nozzle body. A nozzle ring has an upper end axially slidable in the holding ring, is braced axially downwardly against the nozzle body, and has a radially deflectable lower end forming an annular extrusion gap with the mandrel. A first positioner engages the lower end of nozzle ring and is operable to radially deflect this lower end. A second positioner engages radially with the lower end of the holding ring or with the nozzle ring for radially deflecting same.

Enhancing die flatness

Methods and apparatus for enhancing the flatness of a die by applying adhesive to a shim having a selected flatness, rotating the shim to spread the adhesive to a layer having a uniform thickness, evacuating a chamber to create a vacuum; manipulating a die onto the adhesive layer in the chamber; and reducing a level of the vacuum to pressure the die onto the adhesive layer such that the bow in the die is reduced as the die conforms to the shim.

HIGH PERFORMANCE COOLING ELEMENT

The present invention relates to an external cooling system for a molten film tube produced by a blown film tubular extrusion process. Embodiments of the present disclosure provide a unidirectional cooling element having a unidirectional cooling interface containing a cooling gas deflector spaced adjacent to the molten film tube. The unidirectional cooling element operably expels cooling gas in a path with the flow of the molten film tube toward an exit gap formed between the unidirectional cooling interface and the molten film tube. The minimum gap between the unidirectional cooling interface and the molten film tube occurs at the exit gap, and advantageously, the unidirectional cooling interface is provided with one or more compound angles to maximize stability and cooling efficiency. 1. An apparatus for cooling , the apparatus comprising:a unidirectional cooling element for receiving a flow of a molten film tube, the unidirectional cooling element comprising a unidirectional cooling interface operable for expelling a cooling gas in a path with the flow of the molten film tube toward an exit gap, wherein the exit gap defines a minimum gap with expelled cooling gas flowing between the unidirectional cooling interface and the flow of the molten film tube.2. The apparatus according to claim 1 , wherein the unidirectional cooling interface comprises a cooling gas deflector for directing expelled cooling gas along the path with the flow of the molten film tube.3. The apparatus according to claim 2 , the apparatus further comprising a second cooling element operably stacked adjacent the unidirectional cooling element.4. The apparatus according to claim 3 , wherein the unidirectional cooling element is in contact with the second cooling element substantially preventing gas exchange with the surrounding atmosphere between the unidirectional cooling element and the second cooling element.5. The apparatus according to claim 3 , wherein a space is defined between the second ...

Print head for additive manufacturing system

A system is disclosed for additively manufacturing a composite structure. The system may include a support, and a print head operatively connected to and moveable by the support. The print head may include a supply of continuous reinforcement, an outlet configured to discharge the continuous reinforcement, and a tensioning module disposed between the supply and outlet. The tensioning module may be configured to generate a signal indicative of a tension in the continuous reinforcement. The system may also include a processor programmed to selectively cause the supply to dispense the continuous reinforcement based on the signal.