СПОСОБ ОБРАБОТКИ МОНОМЕРА, ФОРПОЛИМЕРА, ПОЛИМЕРА ИЛИ СООТВЕТСТВУЮЩЕЙ СМЕСИ

Изобретение относится к способу обработки мономера, форполимера, полимера или соответствующей смеси, в частности, с целью получения прядильного раствора для производства полимерных волокон, в частности пара-арамидных волокон. В данном способе мономер, форполимер, полимер, добавки или соответствующую смесь смешивают с растворителем, перемешивают, расплавляют, гомогенизируют и/или подвергают дегазации, а затем выгружают, причем указанные операции, по меньшей мере частично, проводят в одном реакторе. Согласно изобретению мономер, форполимер, полимер или соответствующую смесь при помощи устройства для принудительной загрузки принудительно загружают в реактор, при этом устройством для принудительной загрузки является расположенное перед реактором транспортирующее устройство, содержащее по меньшей мере один транспортирующий шнек с различными шагами, в которое подают мономер, форполимер или соответствующую смесь и в котором создают силу или давление по направлению к реактору. Продукт прессуют ...

ДИНАМИЧЕСКИ ВУЛКАНИЗИРОВАННАЯ ТЕРМОПЛАСТИЧНАЯ ЭЛАСТОМЕРНАЯ ПЛЕНКА

... 1. Способ получения термопластичного эластомерного материала, подходящего для применения в качестве воздухонепроницаемого слоя, причем термопластичный эластомер включает эластомер и термопластичную смолу, эластомер и термопластичная смола присутствуют при массовом отношении в диапазоне от 55:45 до 80:20, причем эластомер является производным C-Cизоолефиновых мономеров, а термопластичную смолу выбирают из группы, включающей полиамидные смолы, полиэфирные смолы, полинитрильные смолы, полиметакрилатные смолы, поливиниловые смолы, целлюлозные смолы, фторсодержащие смолы, полиимидные смолы, полисульфоны, полиацетали, полиацетоны, стиролмалеиновые ангидриды, ароматические поликетоны и смеси перечисленного, указанный способ включает следующие стадии:а) введение сверхкритической текучей среды в термопластичный эластомерный материал во время смешивания данного материала в экструдере; иб) смешивание материала при таких условиях, что термопластичный эластомерный материал подвергается динамической ...

ИСКУССТВЕННАЯ ДРЕВЕСНАЯ МУКА, СПОСОБ И УСТРОЙСТВО ДЛЯ ЕЕ ПОЛУЧЕНИЯ: ПЛИТА, ПОЛУЧЕННАЯ НА ОСНОВЕ ИСКУССТВЕННОЙ ДРЕВЕСНОЙ МУКИ, И СПОСОБ И УСТРОЙСТВО ЭКСТРУЗИОННОГО ФОРМОВАНИЯ ТАКОЙ ПЛИТЫ

Искусственная древесная мука, в которой термопластичный полимерный материал в количестве 25 - 80 мас.% смешан с измельченным целлюлозным материалом в количестве 20 - 70 мас.% с влагосодержанием в пределах до 15 мас.% и средним диаметром частиц 20 меш (0,84 мм) или меньше, причем смешанный материал подвергают пластикации с переводом в гелеобразное состояние, после чего материал охлаждают и измельчают с последующим регулированием размеров частиц 10 мм или меньше. Далее такую искусственную древесную муку в качестве измельченного целлюлозного материала смешивают в количестве 20 - 75 мас.% с полимерным материалом, смешанный материал пластицируют с нагреванием и выдавливают шнеком или шнеками через экструзионную головку 78 экструдера. Когда экструдируемый материал 79 проходит по поверхности внутренней стенки экструзионной головки 78, которая плакирована фторполимерным листовым материалом 24, измельченный целлюлозный материал, входящий в состав экструдируемого материала, экструдируется равномерно ...

КОМПАУНДИРОВАНИЕ ПОЛИМЕРА С ПРЕДВАРИТЕЛЬНО НАГРЕТОЙ МАТОЧНОЙ СМЕСЬЮ ПЕЛЛЕТ

СПОСОБ ПОЛУЧЕНИЯ ПОЛИОЛЕФИНОВОЙ КОМПОЗИЦИИ

EXTRUSION MACHINE

... 1405507 Mixing apparatus G B GROOM 6 Dec 1973 [7 Dec 1972] 56540/72 Heading B1C [Also in Division B5] An extruder comprises opposed stator surfaces between which plastics material is impelled between an inlet and a die, by a rotor comprising plurality of blades with adjacent blades being separated by a space extending continuously between the opposed stator surfaces, with which the confronting blade surfaces provide a clearance e.g. of .002 to .004", in which the material is sheared. In the Fig 1 and 2 embodiment, the stator surfaces comprise planar surfaces of a casing 16 within which material is conveyed outwardly from an inlet 26, to circumferentially disposed die outlets 28, by the blades 12 mounted for rotation to a central shaft 18 and having outer ends lets 28, by the blades 12 mounted for rotation to effect the outward impelling. At their outer ends, the 'blades are supportingly interconnected by bridges 12A, and the blades may be channeled as at 30 to permit increased mixing flow ...

Production of particles

Moulding composition

Recycled thermoplastic processing plant comprises two evacuated mixing vessels with temperature sensors, an inlet side vacuum sluice and an outlet to an extruder

Two vacuum-connected processing vessels are connected and have rotating tools for mixing and warming material. A material inlet (19) of the first vessel (1) is connected to a sluice (6). Tools rotate in both vessels and (19) is above the uppermost tools in (1). An outlet (49) from the second vessel (2) leads to an extruder (62). Temperature sensors (32) are located on each tool plane. A recycled thermoplastic processing plant comprises two vacuum-connected processing vessels connected to each other and having tools rotating around vertical axes for mixing and warming material. A material inlet (19) of the first vessel (1) is connected to a sluice (6). Tools rotate in several planes one above the other in both vessels and the inlet is above the uppermost tools in the first container. An outlet (49) from the second vessel (2) leads to an extruder (62) and is at the level of the lowest tools in the latter. A temperature sensor(32) is located on each tool plane in both vessels.

DEVICE FOR THE PROCESSING OF THERMOPLASTIC PLASTIC MATERIAL

VERFAHREN ZUR HERSTELLUNG EINES KÜNSTLICHEN HOLZMEHLS, VORRICHTUNG ZUR DURCHFÜHRUNG DIESES VERFAHRENS, VERFAHREN ZUM EXTRUSIONSFORMEN EINES KUNSTHOLZBRETTES, VORRICHTUNG ZUM EXTRUSIONSFORMENEINES SOLCHEN KUNSTHOLZBRETTES, KÜNSTLICHES HOLZMEHL SOWIE KUNSTHOLZBRETT

HEAT ADMINISTRATION OF AN EXTRUSION OF A SPRAYING CASTING SYSTEM

PROCEDURE AND DEVICE FOR THE PRODUCTION OF PLASTIC PARTS WITH THE HELP OF BEING CALLED A MIXTURE FROM PVC POWDER AND ADDITIVES AND HOT MIXERS FOR THIS PROCEDURE.

EINRICHTUNG ZUM EINSPRITZEN EINES AUS MINDESTENS ZWEI KOMPONENTEN BESTEHENDEN KUNSTSTOFFES IN EINE FORM

The volumetric metering unit (5) following the mixer, is integrated with the injection molding machine. Injection molding machine has volumetric metering unit following mixer which is integrated into the injection molding machine, following the mixing equipment where additives and color are introduced.

BONDING MATERIAL FROM ORIENTED THERMOPLASTIC AND TEILCHENFORMIGEN MATERIALS

Systems and methods for making thermoplastic products and compositions

Thermoplastic compositions useful for roadway markings may be produced using a continuous systems and process methods that can reduce costs and improve product quality. Systems may comprise a feed system (100) comprising a plurality of feeders and a mixing system (400) comprising a mixer (440) and a smoothing system (401). Each feeder may be configured to discharge a material (101) at a feed rate according to a selected product formulation. The mixing system (400) may be configured to receive, heat, and combine the materials (101) to produce a thermoplastic material, and discharge the thermoplastic material at a determined discharge rate.

Oriented thermoplastic and particulate matter composite material

PROCESS AND APPARATUS FOR CONTINUOUSLY PRODUCING AN ELASTOMERIC COMPOSITION

Oriented thermoplastic and particulate matter composite material

METHOD FOR PRODUCING AN EXTRUDED SHEET

The invention relates to a method for producing an extruded sheet, said method comprising the following steps: a) providing calcium carbonate (CaCO3) powder; b) providing polyvinyl chloride (PVC) powder; c) providing additives as stabilisers, consisting of at least Ca/Nz-stabilisers, impact-resistant components, and internal and external waxes, wherein c1) the proportion of calcium carbonate (CaCO3) powder is between 60 and 80 wt.%, the proportion of polyvinyl chloride (PVC) powder is between 20 and 40 wt.%, and the proportion of additives is up to 5 wt.%; d) mixing the calcium carbonate (CaCO3) powder with the polyvinyl chloride (PVC) powder and the additives; e) heating the mixture to a temperature of between 100 and 140°C until the polyvinyl chloride (PVC) softens to form a kneadable mass and the calcium carbonate (CaCO3) at least partially bonds to the polyvinyl (PVC); f) cooling the mass to a temperature of between 40 and 50°C; g) conveying the mass to an extruder; h) melting and extruding ...

PROCESS FOR FORMING A POWDER

The present disclosure provides a process. The process includes (i) melt blending, in an extruder, (a) a polyolefin phase and (b) an aqueous phase in the presence of (c) at least one dispersant selected from an acrylic dispersant, a poloxamer dispersant, and combinations thereof; (ii) producing an interfacial tension from 0.1 dynes/cm to 25 dynes/cm; (iii) forming a polyolefin aqueous dispersion having from 25 wt% to 90 wt% solids content of dispersion; and (iv) removing the water from the polyolefin aqueous dispersion to form a powder. The powder has a mean volume average particle size from 10 µm to 300 µm, a sphericity from 0.92 to 1.0, a particle size distribution from 1 to less than 2, and a particle density from 98% to 100%.

POLYMER PROCESSING ADDITIVE, COMPOSITIONS, AND METHODS

A poly(oxyalkylene) polymer and a metal salt of a carboxylic acid, sulfonic acid, or alkylsulfate, in combination are useful as a polymer processing additive synergist. Polymer processing additive compositions, homogeneously catalyzed olefin compositions, and other extrudable polymer compositions including a poly(oxyalkylene) polymer and a metal salt of a carboxylic acid, sulfonic acid, or alkylsulfate are disclosed. Methods of reducing melt defects during the extrusion of a thermoplastic polymer, which may be a homogeneously catalyzed polyolefin, are also disclosed.

PROCESS FOR THE PRODUCTION OF WATER AND SOLVENT-FREE POLYMERS

The present invention relates to water and solvent-free polymers, in particular water and solvent- free synthetic rubber products like non-halogenated and halogenated butyl rubber products as well as a process for the production thereof. The invention further relates to a device suitable to accomplish said process.

PROCESS FOR REDUCING PEROXIDE MIGRATION IN CROSSLINKABLE ETHYLENE-BASED POLYMER COMPOSITIONS

A composition comprising: A. 91.5 to 97.9 % of a crosslinkable ethylene-based polymer, e.g., LDPE; B. 1 to 3 % of an organic peroxide, e.g., dicumyl peroxide; C. 1 to 5 % of a dielectric fluid, e.g., an alkylated naphthalene; and D. 0.1 to 0.5 % of a coagent such as AMSD. The compositions exhibit high cure rates without any significant reduction in scorch resistance, heat ageing and electrical performance, and are particularly useful as insulation sheaths for medium and high voltage power cables.

Dispositivo per la pressatura di masse plastiche.

Verfahren zur Herstellung von schaumförmigen Polyamiden

Verfahren zur Herstellung von Härtungsmittel enthaltenden, praktisch blasenfreien, insbesondere rasch härtenden Kunstharzmassen und nach dem Verfahren erhaltene Kunstharzmasse.

Method and apparatus for producing an extrudate.

Bei einem Verfahren und einer entsprechenden Vorrichtung zur Herstellung eines Extrudats werden Ausgangsprodukte in einen Extrudierbehälter (1) eingebracht, erwärmt und durch duale asymmetrische Zentrifugierung des Extrudierbehälters (1) homogen miteinander vermischt. Dabei wird der Extrudierbehälter (1) um eine ausserhalb des Extrudierbehälters verlaufende erste Rotationsachse (A 1 ) und gleichzeitig um eine durch den Extrudierbehälter verlaufende und zur ersten Rotationsachse (A 1 ) in einem spitzen Winkel () stehende zweite Rotationsachse (A 2 ) rotiert. Die miteinander vermischten Ausgangsprodukte werden schliesslich gemeinsam aus dem Extrudierbehälter (1) extrudiert. Das Verfahren und die entsprechende Vorrichtung sind insbesondere für die Verarbeitung von kleineren und kleinsten Substanzmengen geeignet.

PROCÉDÉ DE FABRICATION D'UN TISSU NON-TISSÉ ENTIÈREMENT DÉGRADABLE PAR FILAGE-LIAGE.

L'invention concerne un procédé de fabrication d'un tissu non-tissé entièrement dégradable par filage-liage, comprenant : (S1) la préparation d'un poly(caprolactone-coacide lactique) (P(CL-co-LA)) ; (S2) la préparation d'un acide polylactique (PLA) modifié copolymérisé ; et (S3) la fabrication d'un tissu non-tissé entièrement dégradable à l'aide d'un procédé de filage-liage. Selon l'invention, le PLA est modifié en gradient plusieurs fois pour fabriquer le tissu non-tissé entièrement dégradable en combinaison avec un procédé de filage-liage optimisé.

Proceeded for the preparation of artificial resinous masses containing a hardening agent, which harden quickly, and artificial resinous masses obtained according to this process

PROCESS FOR THE PRODUCTION OF WATER AND SOLVENT-FREE POLYMERS

본 발명은 무수 무용매 중합체, 특히 비-할로겐화 및 할로겐화 부틸 고무 생성물과 같은 무수 무용매 합성 고무 생성물, 뿐만 아니라 그의 제조 방법에 관한 것이다. 또한, 본 발명은 상기 방법을 수행하기에 적합한 장치에 관한 것이다. The present invention relates to anhydrous non-solvent polymeric products, especially anhydrous non-solvent rubber products such as non-halogenated and halogenated butyl rubber products, as well as processes for their preparation. The invention also relates to an apparatus suitable for carrying out the method.

PROCEOS PARA FORMAR UN POLVO

La presente divulgación proporciona un proceso. El proceso incluye (i) mezclar por fusión, en una extrusora, (a) una fase de poliolefina y (b) una fase acuosa en presencia de (c) al menos un dispersante seleccionado de un dispersante acrílico, un dispersante de poloxámero y combinaciones de estos; (ii) producir una tensión interfacial que va de 0,1 dinas/cm. a 25 dinas/cm.; (iii) formar una dispersión acuosa de poliolefina que tiene de 25% en peso a 90% en peso de contenido de sólidos de dispersión; y (iv) eliminar el agua de la dispersión acuosa de poliolefina para formar un polvo. El polvo tiene un tamaño de partícula promedio en volumen medio que va de 10 mm a 300 mm, una esfericidad que va de 0,92 a 1,0, una distribución de tamaño de partícula que va de 1 a menos de 2 y una densidad de partícula que va de 98% a 100%.

CONDUCTIVE THERMOPLASTIC POLYCARBONATE/ACRYLONITRILE BUTADIENE STYRENE (PC/ABS) POLYMER WITH NANOMATERIALS AND ARTICLES AND METHODS THEREOF

An electrically conductive thermoplastic composition comprised of at least one thermoplastic polycarbonate/acrylonitrile-butadiene-styrene (PC/ABS) polymer, at least one electrically conductive material containing carbon nanostructures or nanomaterials, and optionally at least one ethylene/alkyl-(meth)acrylate copolymer. The conductive thermoplastic composition can be injection molded and/or printable using additive manufacturing techniques.

PROCESS FOR FORMING A POWDER

METHOD FOR PRODUCING SPACERS FOR A WINDING UNIT

МЕСИЛЬНЫЙ ЭКСТРУДЕР

Изобретение относится к месильному экструдеру. Месильный экструдер содержит цилиндр, имеющий экструзионное отверстие, через которое экструдируют перемешанный материал. Винтовой вал размещен в цилиндре и перемешивает первый и второй исходный материал. Винтовое приводное устройство непрерывно вращает винтовой вал с постоянной скоростью. Головка сообщается с экструзионным отверстием цилиндра. Головка имеет экструзионное отверстие, через которое экструдируют перемешанный материал в состоянии повышенного давления. Отводящее устройство отводит часть перемешанного материала между экструзионным отверстием цилиндра и экструзионным отверстием головки. Отводящее устройство включает в себя средство регулирования количества отвода, предназначенное для регулирования количества отвода перемешанного материала таким образом, что давление перемешанного материала около экструзионного отверстия цилиндра поддерживают постоянным. Изобретение обеспечивает повышение физико-механических свойств получаемых изделий ...

СПОСОБ ПОЛУЧЕНИЯ ПОЛИОЛЕФИНОВОЙ КОМПОЗИЦИИ

FIELD: plastic processing. SUBSTANCE: invention relates to a method for continuous production of a granulated molten polyolefin composition containing bimodal or multimodal polyolefin and one or more additives. Method is carried out in an extruder equipped with at least one hopper, by feeding into bunker of bimodal or multimodal polyolefin in form of polyolefin powder, introduction of one or more additives into same hopper, melting and homogenisation of the polyolefin powder and additives in the extruder to form a molten polyolefin composition with subsequent granulation. During the process of producing granules, the flow rate of one or more additives fed into the hopper is corrected in response to consumption of the polyolefin powder or correction of the polyolefin powder consumption in response to consumption of the polyolefin granules obtained in the extruder. EFFECT: method of the invention has high accuracy of dosing, and also enables to achieve uniform distribution of additives in polyolefin compositions containing bimodal or multimodal polyethylene, especially in polyolefin compositions containing bimodal or multimodal high-density polyethylene. 13 cl, 2 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 696 257 C2 (51) МПК B29B 7/60 (2006.01) B29B 7/72 (2006.01) B29B 9/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК B29B 7/005 (2019.05); B29B 7/007 (2019.05); B29B 7/42 (2019.05); B29B 7/603 (2019.05); B29B 7/728 (2019.05); B29B 7/88 (2019.05); B29B 7/90 (2019.05); B29C 48/022 (2019.05); B29C 48/04 (2019.05); B29C 48/286 (2019.05); B29C 48/288 (2019.05); B29C 48/298 (2019.05); B29C 48/92 (2019.05); C08J 3/203 (2019.05); C08J 3/22 (2019.05); G05D 11/132 (2019.05) 2017121187, 03.12.2015 (24) Дата начала отсчета срока действия патента: 03.12.2015 01.08.2019 (73) Патентообладатель(и): БАЗЕЛЛ ПОЛИОЛЕФИН ГМБХ (DE) Приоритет(ы): (30) Конвенционный приоритет: 04.12.2014 EP 14196371.0 (43) Дата публикации заявки ...

ОКРАШЕННОЕ ПОЛИМЕРНОЕ ФОРМОВАННОЕ ИЗДЕЛИЕ, СПОСОБ И УСТРОЙСТВО ДЛЯ ПОЛУЧЕНИЯ ФОРМОВАННОГО ИЗДЕЛИЯ

FIELD: manufacturing technology. SUBSTANCE: invention relates to method of producing film (12), containing following stages: (a) polymer material (10) plasticizing and mixing with one or more dyes with production of moulding compound (11, 11') by means of gelatinization device (2) made with dyes metering device (6); (b) optionally temporary storage of moulding compound (11') produced at stage (a); (c) molding compound (11') loading into molding device (4) and (d) producing film (12); wherein amount of dye to amount of polymer material (10) ratio is automatically controlled by means of colorimeter (7) and electronic control unit (14), and at stage (a) moulding compound (11) located in gelatinization device (2) colour parameters are measured, and transmitted in form of signal to electronic control unit (14), at stage (d) in film (12) by means of additional colorimeter (8) additional colour parameters are measured and transmitted as signal to electronic control unit (14). Invention also relates to device (1) containing gelatinization device (2) made with metering device (6) for one or more dyes and intended for polymer material (10) plastification and mixing with dye to produce moulding compound (11, 11'); colorimeter (7); connected to metering device (6) and to electronic control unit (14) colorimeter (7), intended for automatic control of dye and polymer material (10) amounts ratio; and moulding device (4) for production of film (12), wherein colorimeter (7) is capable of detecting electromagnetic radiation emitted by moulding compound (11) located in gelatinization device (2), wherein device (1) contains additional colorimeter (8), which is connected with electronic control unit (14) and which is capable of detecting electromagnetic radiation emitted by film (12). EFFECT: disclosed is film producing method. 16 cl, 3 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 609 174 C2 (51) МПК B01F 13/10 (2006.01) B01F 15/00 (2006.01) B01F 15/04 (2006.01) B29B 7/ ...

СПОСОБ ПОЛУЧЕНИЯ ПОЛИОЛЕФИНОВОЙ КОМПОЗИЦИИ

ДЕКОРАТИВНЫЙ СВАРОЧНЫЙ ШНУР ДЛЯ ПОКРЫТИЙ ПОВЕРХНОСТЕЙ

... 1. Многоцветный декоративный сварочный шнур для соединения элементов декоративного покрытия поверхности, отличающийся тем, что указанный сварочный шнур включает компонент А на основе ПВХ (поливинилхлорида), имеющий значение k, составляющее от 65 до 80, и компонент В на основе ПВХ, имеющий значение k, составляющее от 57 до 65, в соотношении компонент А/компонент В, составляющем от 10/90 до 50/50, причем указанные компонент А и компонент В связаны таким образом, что в состав указанного компонента А входит ПВХ, обладающий более высокой вязкостью расплава и/или более высокой точкой плавления, чем ПВХ указанного компонента В, причем указанные компонент А и компонент В обладают различным цветом.2. Декоративный сварочный шнур по п.1, отличающийся тем, что компонент А содержит ПВХ, обладающий значением k, составляющим 70.3. Декоративный сварочный шнур по п.1 или 2, отличающийся тем, что компонент В содержит полимер ПВХ, обладающий значением k, составляющим 62.4. Декоративный сварочный шнур по п ...

СПОСОБ ПОЛУЧЕНИЯ КОМПОЗИЦИОННЫХ ИЗДЕЛИЙ ИЗ ПЛАСТИКА, АРМИРОВАННОГО ДРЕВЕСНЫМ ВОЛОКНОМ

... 1. Способ получения изделия, содержащего волокна лигноцеллюлозного материала или природные волокна, для применения в качестве исходного сырья или при получении исходного сырья для производства пластмассы, который включает нанесение на несвязанные волокна или разделенные волокна или пучки волокон, полученные путем механического, термомеханического или химико-термомеханического или химико-механического дробления лигноцеллюлозного материала или природных волокон, жидкого или порошкообразного связующего состава, содержащего термореактивную смолу и термопластичный полимер, мономер или олигомер, и уплотнение волокон с получением твердого изделия, которое можно впоследствии раздробить с высвобождением основной части волокон.2. Способ по п.1, отличающийся тем, что связующий состав составляет менее чем 20, 15, 12, 10, 8, 6, 5, 4, 3 или 2 части на 100 частей волокон в пересчете на сухой вес.3. Способ по п.1, отличающийся тем, что термопластичный полимер, мономер или олигомер присутствует в весовом ...

СПОСОБ ПРОИЗВОДСТВА ПОЛИМЕРОВ, НЕ СОДЕРЖАЩИХ ВОДУ И РАСТВОРИТЕЛЬ

... 1. Способ удаления летучих соединений из концентрированной жидкости (L), содержащей по меньшей мере один нелетучий полимер и по меньшей мере одно летучее соединение, который содержит по меньшей мере следующие стадии:a) подачи концентрированной жидкости по меньшей мере в одну сушильную установку, причем эта сушильная установка содержит в направлении движения потока по меньшей мереI) первую сушильную секцию (8) иII) секцию основного экструдера (9), содержащую по меньшей мере- секцию дегазации экструдера, состоящую из по меньшей мере транспортирующей секции и вентиляционного отверстия с одним или более испарительными трубопроводами,- накопительную секцию и выпускную секцию,при этом летучие соединения удаляют через вентиляционные отверстия и испарительные трубопроводы;при этом- первая сушильная секция представляет собой или смеситель-пластикатор, или первый экструдер, и секция основного экструдера представляет собой основной экструдер, или- сушильная секция и секция основного экструдера вместе ...

МЕСИЛЬНЫЙ ЭКСТРУДЕР

... 1. Месильный экструдер, содержащий:цилиндр, включающий в себя отверстия подачи исходных материалов, через которые подают первый исходный материал и второй жидкий исходный материал, и экструзионное отверстие, через которое перемешанный материал, включающий в себя первый исходный материал и второй исходный материал, перемешанные и приведенные в расплавленное состояние, экструдируют из цилиндра;винтовой вал, размещенный в цилиндре, причем винтовой вал перемешивает первый исходный материал и второй исходный материал, чтобы получить перемешанный материал в расплавленном состоянии,винтовое приводное устройство, непрерывно вращающее винтовой вал с постоянной скоростью,головку, сообщающуюся с упомянутым экструзионным отверстием цилиндра, причем головка имеет экструзионное отверстие, через которое перемешанный материал в состоянии повышенного давления, экструдированный через упомянутое экструзионное отверстие цилиндра, экструдируют наружу месильного экструдера,отводящее устройство, отводящее часть ...

Harz-Masse und Verfahren zu ihrer Herstellung

Synthetic wood meal, method and apparatus for manufacturing the same

Synthetic wood meal,method and apparatus for manufacturing the same;synthetic wood board including the synthetic wood meal,method and apparatus of extrusion

METHOD & APPARATUS FOR PRODUCING RUBBER MIXTURES

EXTRUDING DEVICE AND PROCEDURE

KOSPRITZGEGOSSENER, STRETCH-BLOWN CONTAINER AND PREFORM FOR IT

PROCEDURE AND DEVICE FOR THE CONTINUOUS PRODUCTION ELASTOMERS OF A COMPOSITION

PROCEDURE FOR MANUFACTURING A CABLE WITH A RE-USABLE COATING

QUANTITATIVE POWDER DELIVERY DEVICE AND PROCEDURE FOR THE QUANTITATIVE POWDER DELIVERY

PROCEDURE FOR THE PRODUCTION OF A BONDING MATERIAL, CONTAINING THERMOPLASTIC POLYMERS AND ARREARS OF THE PRODUCTION OF PLASTIC LAMINATES, AND THE THEN RECEIVED BONDING MATERIALS.

RESIN MASS AND PROCEDURE FOR YOUR PRODUCTION

RESIN MASS AND PROCEDURE FOR YOUR PRODUCTION

METHOD AND INSTALLATION FOR THE PRODUCTION OF PLASTIC PRODUCTS WITH THE AID OF A HOT MIXTURE OF PVC POWDER AND ADDITIVES, AND A HOT MIXER SUITABLE FOR USE WITH THIS METHOD

POWDERY,ONO-STICKING, FREE FLOWING BASIC

Synthetic wood meal, method and apparatus for manufacturing the same; synthetic wood board including the synthetic wood meal, method and apparatus of extrusion molding therefor

Extrusion apparatus and method

PULVERULENT, NON-TACKY, FREE-FLOWING FILLED RUBBER BASE MIXTURES

A process for the manufacture of a pulverulent, non-tacky, freeflowing filled rubber base mixture which comprises mixing a rubber latex or an aqueous stable emulsion of a rubber solution with less than the envisaged total amount of solid filler in the form of an aqueous dispersion or suspension thereof to give a stable, homogeneous mixture; feeding the stable, homogeneous mixture to a multi-stage precipitation process by(1) mixing the stable, homogeneous mixture into water containing a precipitant and a sodium silicate whereupon the rubber and filler conjointly precipitate as a rubber premix, and distilling off rubber solvent which may be present,(ii) adjusting the aqueous suspension of the rubber premix, thus obtained to a pH value of 4.0 to 9.0 for the precipitation of dissolved silica in the presence of a silica precipitant and(iii) mixing the suspension, thus obtained, of rubber premix and precipitated silica with the remainder of the envisaged total amount of solid filler in the form ...

SURFACE-TREATED COMPACTED MATERIAL

Process for producing a compacted material comprising the steps of providing a powder material and a polymer bind-er, simultaneously or subsequently feeding the powder material and the polymer binder into a high speed mixer unit, mixing the powder material and the polymer binder in the high speed mixer unit until formation of a compacted material, and reducing the temperature of the obtained compacted material below the melting point or glass transition temperature of the polymer binder.

MELTABLE LIGNIN COMPOSITIONS, METHOD FOR PRODUCING THEM AND THEIR USES

CA 03090711 2020-08-07 (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property 1 11111 1111111 11 111111 111 11111 11111111 1 1 111 1111 1111 1111 11111 11111 111 11111111111 111 1111 Organization International Bureau (10) International Publication Number (43) International Publication Date WO 2019/153085 Al 15 August 2019 (15.08.2019) WIPO I PCT (51) International Patent Classification: (81) Designated States (unless otherwise indicated, for every C08J 3/12 (2006.01) CO8L 97/00 (2006.01) kind of national protection available): AE, AG, AL, AM, B29B 7/00 (2006.01) D21C 11/00 (2006.01) AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, (21) International Application Number: DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, PCT/CA2019/050161 HR, HU, ED, EL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, (22) International Filing Date: KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME ...

PLASTIC-CELLULOSIC COMPOSITE ARTICLES

Articles containing a cellulosic fiber filled thermoplastic that includes about 10% to about 99.9% by weight of a copolymer; optionally 0.1% to 30% by weight of one or more elastomeric polymers; and 0.1% to 70% by weight of one or more cellulosic fibers. The copolymer contains residues formed by polymerizing a mixture that contains (i) 51% to 99.9% by weight of one or more primary monomers, (ii) 0.1% to 49% by weight of one or more maleate-type monomers, and (iii) optionally 1% to 25% by weight of one or more other polymerizable monomers. The article has a thickness of from 0.1 cm to 12 cm. The tensile modulus, determined according to ISO 527-2, of the cellulosic fiber filled thermoplastic is at least 2,000 MPa and the DTUL at 1.82 MPa determined according to ISO-75-2, of the cellulosic fiber filled thermoplastic can be at least 85°C.

PROCESS FOR PREPARING DYNAMICALLY VULCANIZED ALLOYS

This invention relates to process for the preparation of a dynamically vulcanized alloy comprising at least one isobutylene-containing elastomer and at least one thermoplastic resin. More specifically, the processes produce dynamically vul-canized alloys with unique morphological features which have good impermeability and low temperature flexibility.

METHOD OF MAKING CELLULOSIC - THERMOPLASTIC COMPOSITES OF AN ANHYDRIDE CONTAINING COPOLYMER

A method of making foamed articles that includes providing a copolymer composition, combining the copolymer composition and cellulosic fibers, applying heat, mixing energy and pressure to the copolymer composition and cellulosic fibers mixture to form a foamable mixture, and forming the foamed article by placing the foamable mixture in a molding or extruding operation. The copolymer composition includes a copolymer of 51% to 99.9% of primary monomers, 0.1% to 49% of anhydride containing monomers, and 0% to 25% of other monomers and 0% to 30% of elastomeric polymers. This is combined at 30% to 99.99% copolymer composition with 0.01% to 70% by cellulosic fibers such that the copolymer anhydride groups react with the cellulosic fiber hydroxyl groups to produce a blowing agent byproduct to form a foamable mixture. The foamed article has a density of not more than 1.3 g/cm3.

TEMPERATURE-CONTROLLED THERMOKINETIC MIXER

A shaft assembly for use in a temperature-controlled K-mixer is provided, along with the mixer including the shaft assembly. The shaft assembly includes an inner hollow shaft defining an inner passage, and an outer hollow shaft coaxially surrounding the inner hollow shaft. An outer passage extends between the inner and outer hollow shafts. The shaft also includes a plurality of blades extending from the outer hollow shaft, for mixing the material. Each of the blades is provided with channels. The inner passage, the channels and the outer passage form a continuous flow path allowing a pressurized fluid to circulate within inner and outer hollow shafts and the blades, for controlling temperature of the shafts and the blades. The channels allow a flow of the fluid in the blades in an opposite direction of a rotational direction of the shaft assembly.

устройство и способ дозированной подачи порошка и устройство подачи материала, которое содержит устройство подачи порошка

Предложено устройство и способ дозированной подачи порошка и устройство подачи материала, которое содержит устройство дозированной подачи порошка. Устройство дозированной подачи порошка содержит приводную часть, которая производит приводное усилие с использованием внешнего источника питания; часть подачи порошка, которая соединена с приводной частью и работает вслед за приводной частью и перемещает порошок по пути, который задан предварительно; камеру, которая расположена в части подачи порошка и в которую поступает порошок, перемещенный частью подачи порошка; сжимающую часть, которая сжимает перемещенный порошок в камере; и часть дозированной подачи, которая отделяет требуемое количество порошка от сжатого порошка и выгружает отделенный порошок из камеры. Устройство подачи материала содержит верхнюю трубу, сквозь которую проходит начальный пластиковый материал, который поступает извне, и которая содержит устройство дозированной подачи порошка, который выгружает порошок для смешивания с ...

Method for producing resin formed product, manufacturing method of the resin composition, the resin molding, resin composition, the resin powder and resin macrorobot low sends the dust method

EXTRUSION MACHINE

Improvements in or relating to the mixing and compressing of plastic masses

PREPARATION OF POLYMER NANOCOMPOSITES BY SOL-GEL PRECURSORS NON-HYDROLYTIC MICROWAVE-ASSISTED

직물 절단 스크랩의 용도

... 본 발명은, 직물 절단 스크랩을 이용하는 방법으로서, (a) 절단 스크랩을 플레이크로 절단하는 단계, (b) 플레이크를 폴리머 용융물에 혼합하는 단계, (c) 플레이크를 갖는 폴리머 용융물을 혼련시켜, 플레이크가 개개의 섬유로 분해되도록 하는 단계, (d) 혼합된 섬유를 갖는 폴리머 용융물을 중간 물품으로 성형하는 단계 를 포함하는 방법을 제공한다.

METHOD FOR FORMING A STRATIFIED RUBBER PRODUCT WITH A VARIABLE HARDENING SPEED CAPABLE OF CONTROLLING THE HARDENING SPEED OF A COMPOUND

PURPOSE: A method for forming a stratified rubber product with a variable hardening speed is provided to simultaneously control the amount of first and second accelerating agents by controlling the speed of a pump. CONSTITUTION: A method for forming a stratified rubber product with a variable hardening speed is as follows. A first rubber compound(A) is extruded through a main extruder(20) and a first gear pump(25). A second rubber compound(B) is extruded through a second extruder(40) and a second gear pump(42). Accelerating agents are pumped inside the main extruder. The mixing ratio of the first compound to the second compound is changed by adjusting the speed of the first and second gear pumps. First rubber strips with a first mixing ratio and a first hardening speed are formed by directly applying rubber strips to the top of a tire forming machine. A second rubber layer with a second mixing ratio and a second hardening speed is formed by applying the rubber strips to the tire forming ...

AGRICULTURAL SHEET USING VEGETABLE FIBER AND MANUFACTURING METHOD THEROF

SCROLL, BARREL, AND INJECTION MOLDING MACHINE

An injection molding machine where the amount of plasticization of a material by a barrel and a scroll is increased and where an injection molding capacity is enhanced. The barrel (23) and the scroll (20) used to knead the material in the injection molding machine (2) are disposed opposite to each other, with at least either of them rotated about the rotation axis (K) of the scroll. The scroll (20) has formed in its surface a groove (21) facing the barrel and spirally turned around the rotation axis. The volume (V1) of one turn of the groove is less than or equal to the volume (V2) of another turn of the groove adjacent on the inside of the one turn. The barrel (23) has a discharge port (25) for the material and also has at least one spiral groove (26) formed in the surface that faces the scroll and extending from the discharge port.

Low Microgel Surface Protection Film

A method of refining a polymer resin material is provided. The method comprises melting and subjecting the resin material to shear stresses in a range of 250 kPa to 400 kPa to form a refined resin material. The refined resin material may be extruded, solidified and cut into reduced microgel resin pellets, which may be subsequently melted and extruded to form a reduced microgel film.

Resin extrusion apparatus

A resin extrusion apparatus having a weighing device (11) connected to a controller (18). A powder container (12) for supplying a powder (Y) to a resin extruder (20), a screw (13), and a motor (14) are installed over the weighing device 11. The motor (14) rotates a powder feeder (10) in proportion to a frequency of an inverter (17) connected to the controller (18). The powder feeder (10) is installed on the resin extruder (20). The powder feeder (10) supplies the powder (Y) to the resin extruder (20) quantitatively by a feedback control that is executed at regular intervals. The resin extruder (20) heats and kneads the powder (Y) and a resin (X) supplied thereto from a hopper (21) to form a resin pellet P containing the powder (Y) and the resin (X) mixed uniformly with each other.

Process for preparing a polyolefin composition

A process for continuously preparing a polyolefin composition made from or containing a bimodal or multimodal polyolefin and one or more additives in an extruder device equipped with at least one hopper. The process includes the steps of supplying a bimodal or multimodal polyolefin in form of a polyolefin powder to the hopper; (a) measuring the flow rate of the polyolefin powder or (b) measuring the flow rate of the prepared polyolefin pellets; supplying one or more additives to the hopper; adjusting the flow rates of the additives supplied to the hopper in response to the measured flow rate of the polyolefin powder or adjusting the flow rate of the polyolefin powder in response to the measured flow rate of the polyolefin pellets; melting and homogenizing the polyolefin powder and additives within the extruder device; and pelletizing the molten polyolefin composition into the polyolefin pellets.

KNEADING METHOD FOR RUBBER

PROBLEM TO BE SOLVED: To provide a kneading method for a rubber, with which both a mixing kneading for kneading the rubber and a rubber compounding agent excluding a vulcanizer together (or a non-productive mixing) and a mixing kneading for kneading the rubber and a rubber compounding agent including the vulcanizer together (or a productive mixing) can be carried out in a single rubber kneading device. SOLUTION: A rubber kneading device 10 is equipped with a first kneading part 11 and a second kneading part 12. In addition, in the device 10, device 10, a chemical charging port part 13 is arranged so as to knead a stock rubber and a rubber compounding agent excluding a vulcanizer together in the first kneading part 11 and then discharge the rubber kneaded at the first kneading part 11 into the second kneading part 12 in order to add and knead a rubber compounding agent containing the vulcanizer through the chemical-charging port part 13 under the state being cooled in the second kneading ...

УПЛОТНЕННЫЙ МАТЕРИАЛ С ОБРАБОТАННОЙ ПОВЕРХНОСТЬЮ

СПОСОБ ОБРАБОТКИ МОНОМЕРА, ФОРПОЛИМЕРА, ПОЛИМЕРА ИЛИ СООТВЕТСТВУЮЩЕЙ СМЕСИ

... 1. Способ обработки мономера, форполимера, полимера или соответствующей смеси, в частности, с целью получения прядильного раствора для производства полимерных волокон, в частности параарамидных волокон, в котором мономер, форполимер, полимер, добавки или соответствующую смесь смешивают с растворителем, перемешивают, расплавляют гомогенизируют и/или подвергают дегазации, а затем выгружают, причем указанные операции, по меньшей мере частично, проводят в одном реакторе (7), отличающийся тем, что к мономеру, форполимеру, полимеру или соответствующей смеси при помощи устройства (4) для принудительной загрузки прикладывают силу или давление по направлению к реактору (7), продукт прессуют или уплотняют, а затем загружают в реактор (7), почти не оставляя пустого пространства.2. Способ по п.1, отличающийся тем, что мономер, форполимер, полимер или соответствующую смесь загружают в реактор (7) вблизи его торца (9).3. Способ по п.1, отличающийся тем, что мономер, форполимер, полимер или соответствующую ...

МЕСИЛЬНОЕ УСТРОЙСТВО

СПОСОБ ПРИГОТОВЛЕНИЯ ДИНАМИЧЕСКИ ВУЛКАНИЗОВАННЫХ СПЛАВОВ

... 1. Способ получения динамически вулканизованного сплава, включающего, по меньшей мере, один изобутиленсодержащий эластомер и, по меньшей мере, одну термопластичную смолу, заключающийся в осуществлении следующих стадий: ! а) смешивают указанную термопластичную смолу и, по меньшей мере, один пластификатор в первом устройстве для обработки расплава с образованием смоляной маточной смеси; ! б) подают указанный эластомер, по меньшей мере, одно вулканизующее вещество, и указанную смоляную маточную смесь в приемное отверстие второго устройства для обработки расплава; ! в) смешивают указанное содержимое второго устройства для обработки расплава при условиях динамической вулканизации с образованием динамически вулканизованного сплава, в котором эластомер присутствует в качестве дисперсной фазы мелких вулканизованных или частично вулканизованных частиц в дисперсионной фазе термопластичной смолы. ! 2. Способ по п.1, в котором эластомер является галогенированным. ! 3. Способ по п.1 или 2, в котором ...

СПОСОБ ПОЛУЧЕНИЯ КОМПОЗИЦИОННОГО МАТЕРИАЛА

Использование: получение композиционных полимерных материалов. Сущность изобретения: способ получения композиционного материала заключается в смешении термопластичной смолы и наполнителя в экструдере при нагревании с последующим формованием полученной смеси с помощью экструзии и охлаждения, при этом в качестве наполнителя используют предварительно измельченные в мелкий порошок с диаметром частиц не более 4 мм, отходы или остатки от производства декоративных слоистых пластиков, содержащих по крайней мере 50 мас. % целлюлозы и по крайней мере 20 мас. % термореактивных, частично поликонденсированных смол, выбранных из группы, включающей продукт промежуточной стадии поликонденсации фенола или меламина, или их производных с формальдегидом, причем стадию смешения осуществляют при нагревании до 1300 - 260oС в течение времени, достаточного для завершения реакции поликонденсации термореактивных смол, а термопластичную смолу используют в количестве 20 - 60 %, остальное - наполнитель. 1 з. п. ф-лы ...

ОКРАШЕННОЕ ПОЛИМЕРНОЕ ФОРМОВАННОЕ ИЗДЕЛИЕ, СПОСОБ И УСТРОЙСТВО ДЛЯ ПОЛУЧЕНИЯ ФОРМОВАННОГО ИЗДЕЛИЯ

... 1. Способ получения одного или нескольких формованных изделий (12), содержащий следующие этапы:(a) пластификация полимерного материала (10) и смешение с одним или несколькими красителями с получением формовочной массы (11, 11′) посредством устройства желатинирования (2), выполненного с дозатором (6) для красителей;(b) необязательно, временное хранение формовочной массы (11′), полученной на этапе (а);(c) загрузка формовочной массы (11′) в формовочное устройство (4) и(d) получение формованного изделия (12);причем отношение количества красителя к количеству полимерного материала (10) автоматически регулируется с помощью колориметра (7) и электронного блока управления (14), отличающийся тем, что на этапе (а) измеряют цветовые параметры формовочной массы (11), находящейся в устройстве желатинирования (2), и передают в виде сигнала на электронный блок управления (14).2. Способ по п. 1, отличающийся тем, что на этапе (d) у формованного изделия (12) с помощью дополнительного колориметра (8) измеряют ...

СПОСОБ НЕПРЕРЫВНОГО ИЗГОТОВЛЕНИЯ ЭЛАСТОМЕРНОЙ КОМПОЗИЦИИ И УСТАНОВКА ДЛЯ ЕГО ОСУЩЕСТВЛЕНИЯ

... 1. Способ непрерывного изготовления эластомерной композиции, включающий следующие этапы: дозирование по меньшей мере одного эластомера, по меньшей мере одного наполнителя и по меньшей мере одного неосновного ингредиента; подачу по меньшей мере одного эластомера, по меньшей мере одного наполнителя и по меньшей мере одного неосновного ингредиента в по меньшей мере один экструдер; смешивание и диспергирование по меньшей мере одного наполнителя и по меньшей мере одного неосновного ингредиента в по меньшей мере одном эластомере с помощью по меньшей мере одного экструдера; изготовление разделенного на части продукта из полученной эластомерной композиции, выгруженной из по меньшей мере одного экструдера; накопление определенного количества разделенного на части продукта; перемешивание накопленного количества разделенного на части продукта. 2. Способ по п.1, в котором первые этапы смешивания и диспергирования и вторые этапы смешивания и диспергирования выполняют с помощью первого и второго экструдеров ...

Vorrichtung zum Mischen mindestens zweier fluider Komponenten, drehangetriebener Mischereinsatz dafür und System aus beidem

Erfindungsgemäß ist ein Mischereinsatz mit einem Trägerstabelement und mindestens einem Verwirbelungselement und einer Drehantrieb-Verbindungsstruktur, wobei der Mischereinsatz zum Einsatz in ein rohrförmiges Durchleitungselement und zusammen mit diesem an eine Vorrichtung zum Mischen mindestens zweier fluider Komponenten angepasst ist, mittels der Drehantrieb-Verbindungsstruktur mit einer Antriebswelle der Vorrichtung in Antriebsverbindung setzbar zu sein, wenn der Mischereinsatz in das Durchleitungselement eingesetzt ist und das Durchleitungselement in fluiddichte Leitungsverbindung mit mindestens zwei Komponenten-Zuleitungen der Vorrichtung gesetzt ist, dadurch gekennzeichnet, dass die Drehantrieb-Verbindungsstruktur eine Bohrung aufweist mit einer Bohrungswandung, die an ein Gewinde auf der Antriebswelle so angepasst sind, dass die Bohrung zum Herstellen der Antriebsverbindung auf das Gewinde schraubbar ist, wobei die Bohrungswandung von dem Gewinde verformt wird. Erfindungsgemäß ist ...

MIXING APPARATUS EMPLOYING A CAVITY TRANSFER MIXER

Wrap-around insulated heater for injection moulding machine

An electrical heating device for use, for example, on a plastics injection moulding machine or a plastics extrusion machine including dies, comprises a heating element 10, a flexible heat barrier 12, a sheet or strap of flexible material 14, and inner covering 16 of flexible, heat-resistant material, a layer 18 of thermally insulating material, and an outer covering 20 of flexible material. The heating device may be in wrap-around form and have a clamping arrangement 22 which bridges the longitudinal split in the device and enables the device to be securely clamped around a feed barrel or pipe, for example. The heating element 10 is applied directly to the object to be heated, thus saving energy, and the outer covering 20 remains cool enough for a thermosensitive strap (not shown) to be sewn thereto.

Synthetic wood meal and the formation of boards therefrom by extrusion

A synthetic wood meal in which a thermoplastic resin material of 25 to 80 wt% is mixed with a cellulose crushed material of 20 to 75 wt% that lies in the moisture content of within 15 wt% and the mean particle diameter of 20 mesh or less, the mixed material is kneaded so as to be set to gel, and the kneaded material is cooled and pulverized and regulated to a size that lies in a particle diameter of 10 mm or less. Then, the synthetic wood meal as the cellulose crushed material is mixed in at the rate of 20 to 75 wt% to the resin material, the mixed material is kneaded by heating and squeezed by a screw or screws of an extruding die 78 in an extruder. When the extruding material 79 passes through the inner wall surface of the extruding die 78, which lines with a fluororesin sheet 24 thereon, the cellulose crushed material included in the extruding material is smoothly extruded without being subjected to large resisting force, so that a molded article 29 is molded for a product having an ...

Moulding compositions containing fibres and plastics material

Manufacture of expanded polyamides

Expanded polyamides are produced by polymerizing a lactam with at least 7 ring members, at temperatures above its melting point and below the melting point of the resultant polyamide, with the aid of an alkaline catalyst in the absence of substances containing or forming hydroxyl groups and in the presence of expanding agents which, under the polymerization conditions, volatilize or decompose with the evolution of gas. A polymerization activator may also be present in the reaction mixture. Specified are lactams caprolactam, oenanthic lactam, caprylic lactam, lauric lactam and 4-isopropylcaprolactam and mixtures polymerization catalysts alkali and alkaline earth metals and alkaline-reacting compounds of these metals, e.g. alkali-lactam compounds, potassium hydroxide, potassium carbonate, sodium methylate, sodium amide and calcium oxide and polymerization activators carboxylic acid halides such as benzoyl chloride, esters and anhydrides, isocyanuric and isothiocyanuric acid esters, cyanamides ...

ELECTRICAL HEATING UNIT WITH TWO COAXIAL RAEUMEN FOR LUFTZIRKULATION FOR THE CONTROLLABLE HEATING OF CYLINDERS IN PLASTIC, STRANGUND INJECTION MOULDING PRESSES, DRAWING PRESSES FOR RUBBER AND SUCH.

PROCEDURE AND DEVICE FOR THE PRODUCTION OF INDIA RUBBER MIXTURES.

PROCEDURE FOR THE PRODUCTION OF PELLETIERTEM POLYOLEFIN

VALVE ARRANGEMENT FOR THE CONTROLLING OF METERING OF FLUIDS ADDITIVES INTO A PLASTIC MELT

A process for preparing a melt of a primary material and a secondary material polycondensate

Die Erfindung betrifft ein Verfahren zur Herstellung einer Polykondensatschmelze aus einem Primärmaterial und einem Sekundärmaterial aus jeweils im Wesentlichen artgleichen Werkstoffen. Es werden ein erster Schmelzeteilstrom (I) aus dem Primärmaterial und ein zweiter Schmelzeteilstrom (II) aus dem Sekundärmaterial bereitgestellt und von beiden Schmelzeteilströmen (I, II) jeweils ein Messwert der intrinsischen Viskosität ermittelt und aus diesen ein Differenzwert gebildet. Auf Basis dieses Differenzwertes wird die intrinsische Viskosität des zweiten Schmelzeteilstroms (II) mittels einer ersten Schmelze-Behandlungsvorrichtung (8) erhöht, reduziert oder unverändert beibehalten. Nachfolgend werden die beiden Schmelzeteilströme (I, II) zu einem gemeinsamen Schmelzestrom zusammengeführt.

Vorrichtung und Verfahren für die Herstellung und zum Testen von Werkstücken

The invention relates to a method and an apparatus for manufacturing and testing workpieces, said apparatus being mountable on a system for mixing or melting materials or comprising said system; the apparatus includes application units and a replacement system that is designed to automatically replace application units in respect of the position or function thereof.

Device for processing thermoplastic material

Wholly aromatic liquid crystalline polyester resin compound with enhanced fluidity and method of preparing the same

Provided are a wholly aromatic liquid crystalline polyester resin compound and a method of preparing the same. The wholly aromatic liquid crystalline polyester resin compound comprises a first wholly aromatic liquid crystalline polyester resin with a low melting point, a second wholly aromatic liquid crystalline polyester resin with a high melting point, and an additive, wherein the amount of the first wholly aromatic liquid crystalline polyester resin is 5 to 10 parts by weight with respect to 100 parts by weight of the second wholly aromatic liquid crystalline polyester resin.

Method for treating a monomer, pre-polymer, polymer or a corresponding mixture

The invention relates to a method for treating a monomer, pre-polymer, polymer or a corresponding mixture, in particular for producing a dope for producing a polymer fibre, in particular a p-aramide fibre, in which the monomer, pre-polymer, polymer, additives or a corresponding mixture is admixed with a solvent, blended, fused, homogenised and/or degassed and then discharged, which takes place at least partially in a reactor ( 7 ), is to force-feed the monomer, pre-polymer, polymer or a corresponding mixture into the reactor ( 7 ) using a force-feed device ( 4 ).

Decorative welding rod for surface coverings

The present invention relates to a multicolour decorative welding rod ( 3 ) and a method to produce a multicolour decorative welding rod, said welding rod comprising a PVC-based component A and a PVC-based component B, in a ratio of component A/component B comprised between 10/90 to 50/50, said components A and B being associated in such a way that the composition of said component A comprises a PVC having a higher melt viscosity and/or a higher melting point, than the PVC of said component B, said components A and B being of a different colour.

EXTRUDER FOR PROCESSING POLYMER MELTS

An extruder containing a housing having a flow channel for a melt and a perforated plate delimiting the flow channel on the outlet side, where the perforated plate has at least two through-flow areas spaced apart from one another, each through-flow area contains at least one through-flow opening, and the perforated plate is furthermore mounted in a changing device, where the changing device has guide elements, in which the perforated plate can be moved substantially perpendicularly to the flow channel, and the extruder, directly ahead of the perforated plate when viewed in the direction of flow of the melt, has an inlet flow cone, which is structurally separate from the perforated plate, thus allowing the through-flow areas of the perforated plate to be moved relative to the inlet flow cone. 1. An extruder comprising a housing having a flow channel for a melt and a perforated plate delimiting the flow channel on the outlet side , wherein the perforated plate has at least two through-flow areas spaced apart from one another , wherein each through-flow area contains at least one through-flow opening , and the perforated plate is furthermore mounted in a changing device , wherein the changing device has guide elements , in which the perforated plate can be moved substantially perpendicularly to the flow channel ,and the extruder, directly ahead of the perforated plate, when viewed in the direction of the flow of the melt, has an inlet flow cone, which is structurally separate from the perforated plate, thus allowing the through-flow areas of the perforated plate to be moved relative to the inlet flow cone.2. The extruder as claimed in claim 1 , wherein the spacing between the through-flow areas of the perforated plate is dimensioned in such a way that claim 1 , when one through-flow area is positioned at the outlet of the flow channel claim 1 , at least one other through-flow area is situated outside the housing of the extruder.3. (canceled).4. The extruder as claimed ...

Method of manufacturing resin molded article, method of manufacturing resin composition, resin molded article, resin composition, resin powder having low dust generation property, and method of reducing dust generation of resin

A method of manufacturing a resin molded article includes a step of preparing a resin powder having low dust generation property by adding a liquid paraffin to a thermosetting resin, and a step of obtaining a resin molded article by heating and kneading the resin powder having low dust generation property, in which the step of preparing the resin powder having low dust generation property includes a step in which the thermosetting resin is melted and the liquid paraffin is added to the melted thermosetting resin to be stirred and mixed.

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.

Rubber composition for tire and tire

This disclosure provides a rubber composition for tire obtainable by a method for producing a rubber composition comprising: (a) preparing a preliminary composition by preparing a first mixture containing all of or a part of a diene based rubber (A), a silica (B), a silane coupling agent (C) and an activator (D), and containing a glycerin fatty acid ester (E), and kneading the first mixture; and (b) preparing the rubber composition by adding a vulcanizing agent (t,F) into the preliminary composition to prepare a second mixture, and kneading the second mixture, wherein: the glycerin fatty acid ester (E) is an ester of a glycerin and two or more fatty acids, a fatty acid component which is the most among the two or more fatty acids constituting the glycerin fatty acid ester being 10 to 90 mass % of all the fatty acids.

Kneading apparatus

A kneading apparatus having a kneading unit made up of a plurality of segment parts detachably mounted on a shaft disposed in the barrel includes a first segment part having a first length L1 related to an outer diameter D, a second segment part having a second length L2 shorter than the first length L1, and a third segment part having a third length L3 longer than the first length L1; the first length L1 is [the outer diameter D×a coefficient a]; the second length L2 is [the first length L1/a coefficient b]; the third length L3 is [the first length L1×the coefficient b]; the third length L3 is [L1+L2]; and the kneading unit has a segment pattern made up of a plurality of segment parts and mounted on the shaft interchangeably with another segment pattern.

Composite molding material, surface-treated glass wood, and method for manufacturing composite molding material

A composite molding material formed by kneading at least glass wool into a thermoplastic resin has such a feature that the glass wool in the composite molding material has a fiber diameter of 1 to 7 μm, an average fiber length of 30 to 300 μm, and an aspect ratio of not less than 10.

Systems and methods for drying pellets and other materials

Systems and methods for manufacturing pellets are disclosed herein. The systems and methods can include improved drying systems and techniques. In some embodiments, for example, the systems and methods can make use of one or more vacuum dryers and various other improvements related thereto.

Method of extruding linear low-density polyethylene without surface melt fracture

A method of extruding a melt of a linear low-density polyethylene (LLDPE) without surface melt fracture, the method comprises heating a melt of the LLDPE to a temperature from 190.0 to 260.0 degrees Celsius; and extruding through a die the heated melt at a shear rate of from 1,100 to 7,000 per second and at a shear stress of greater than 0.40 megapascal, thereby forming a polyethylene extrudate without surface melt fracture.

Liquid Polymer or Chemical Activation System Using a Submersible Actuator

A liquid polymer or chemical activation system, having a chamber; a top cover plate, a middle cover plate and a bottom cover plate; wherein such configuration creates a hollow space inside the chamber that is flanked by the top cover plate and the bottom cover plate; a hybrid pump blending reactor having a progressive cavity pump and one or more inlets for receiving first and second substances; an upper multistage mixing cup configured to receive the first and second substances from the hybrid pump blending reactor; at least one high shear mixer for mixing the first and second substances; at least one submersible actuator for actuating the high shear mixer; an intermediate blending section for receiving the mix of first and second substances from the upper multistage mixing cup; a lower multistage aging cup for further mixing of the first and second substances; and at least one outlet on the bottom cover plate for releasing the mix of first and second substances. 1. A liquid polymer or chemical activation system , comprising:a chamber having a top chamber flange on a first distal end and a bottom chamber flange on a second distal end, wherein each distal end is opposite to each other;a top cover plate secured to the top chamber flange on the first distal end of the chamber via one or more bolts;a middle cover plate and a bottom cover plate secured to the bottom chamber flange on the second distal end of the chamber via one or more bolts, wherein the middle cover plate lies between the lower chamber flange and the bottom cover plate;wherein such configuration creates a hollow space inside the chamber that is flanked by the top cover plate and the bottom cover plate;a hybrid pump and blending reactor (“HP blending reactor”) that comprises a first inlet for receiving at least a first substance, a second inlet for receiving at least a second substance, a progressive cavity pump, a progressive cavity pump supporting top (“PCP supporting top”), a progressive cavity pump ...

BUILT-IN ANTIMICROBIAL PLASTIC RESINS AND METHODS FOR MAKING THE SAME

A built-in and process-adaptive formulation of antimicrobial commodity thermoplastic resins with mixed compositions comprising of a polymer, a backbone linker, and a non-labile antifouling and biocompatible coupling agent which is melt-processable and enabled to be manufactured into finished products in the form of solid, monolith, tube, composite, fiber, film, sheet and varnish without the prerequisite of biocides or antimicrobial additives is disclosed. The said formulation is adapted to thermoforming and thermal curing processes including but not limited to melt compounding, spinning, extrusion, molding, compression foaming and drawing. The antimicrobial property is attributed to the persistent formation of a non-stick bacteria-repellent tethered layer in which the antifouling component of the said formulation is heterogeneously phase separated and/or surface migrated to the surface after product forming in order to minimize adsorption and/or colonization of bacteria. 1. An antimicrobial thermoplastic resin , comprising a masterbatch and a basic plastic;wherein the masterbatch is prepared by grafting an antifouling reagent onto an intermediate;wherein the intermediate is prepared by grafting a reactive linker on a base polymer backbone;wherein the antimicrobial thermoplastic resin is prepared by melt extrusion the masterbatch and the basic plastic.2. The antimicrobial thermoplastic resin of claim 1 , wherein the base polymer backbone is a synthetic vinyl polymer with R groups.3. The antimicrobial thermoplastic resin of claim 2 , wherein the R groups are linear and/or multi-armed chemical structures with homo- or hetero-substituted alkyl claim 2 , alkenyl claim 2 , alkynl claim 2 , aryl claim 2 , acyl claim 2 , alkoxyl claim 2 , thionyl claim 2 , cyano claim 2 , azo claim 2 , silyl groups claim 2 , halogens and/or cyclics.4. The antimicrobial thermoplastic resin of claim 1 , wherein the antifouling reagent is selected from a hydrophilic gel forming group ...

Providing powder in three-dimensional (3d) additive manufacturing

In an example implementation, a method of providing build powder for additive manufacturing of a three-dimensional (3D) object includes blending input powders into a blended powder for producing a 3D object. During the blending, a material strength value of each input powder can be determined. Based on the material strength value of each input powder, a ratio of the input powders can be calculated to achieve a specified material strength in the blended powder. The feed rate of the input powders can then be adjusted according to the ratio.

BIOPOLYMER COMPOSITION, PREPARATION METHOD FOR SAME AND BIOPLASTIC USING SAME

Provided is a biopolymer composition, a preparation method for the same, and a bioplastic using the same, the biopolymer composition comprising at least 83.5 weight% of a copolymer resin of lactic acid (LA) and 3- hydroxypropionate (3HP), an antioxidant, and a lubricant, and the composition having an elongation percentage of at least 90% but not greater than 500%. 1. A biopolymer composition comprising:a copolymer resin of lactic acid (LA) and 3-hydroxypropionate (3HP) in an amount of 83.5% by weight or greater;an antioxidant; anda lubricant,wherein elongation of the biopolymer composition is greater than or equal to 90% and less than or equal to 500%.2. The biopolymer composition of comprising the copolymer resin of lactic acid (LA) and 3-hydroxypropionate (3HP) in an amount of 99% by weight or greater.3. The biopolymer composition of claim 1 , wherein the copolymer resin is obtained by polymerizing the lactic acid (LA) and the 3-hydroxypropionate (3HP) in a weight ratio of 1:99 to 99:1.4. The biopolymer composition of claim 1 , wherein the copolymer resin is obtained by polymerizing polylactic acid (PLA) and poly 3-hydroxypropionate (P(3HP)).5. The biopolymer composition of claim 1 , wherein the copolymer resin is a block copolymer of the lactic acid (LA) and the 3-hydroxypropionate (3HP).6. The biopolymer composition of comprising each of the antioxidant and the lubricant in an amount of 0.01 parts by weight to 0.5 parts by weight with respect to a total 100 parts by weight of the biopolymer composition.7. The biopolymer composition of claim 1 , which has tensile strength of greater than or equal to 40 MPa and less than or equal to 70 MPa claim 1 , and tensile modulus of greater than or equal to 2.5 GPa and less than or equal to 5 GPa.8. The biopolymer composition of comprising:the copolymer resin in an amount greater than or equal to 83.5% by weight and less than or equal to 94.5% by weight, and, further comprising:a strength reinforcing agent; anda dispersant, ...

Liquid crystal polyester resin molded article

The present invention relates to a liquid crystal polyester resin molded article containing a thermoplastic resin comprising a liquid crystal polyester and a fibrous filler, in which the liquid crystal polyester resin molded article contain the fibrous filler in an amount of equal to or greater than 1 part by mass and equal to or smaller than 120 parts by mass with respect to 100 parts by mass of the thermoplastic resin, the proportion of the liquid crystal polyester with respect to 100 mass % of the thermoplastic resin is equal to or greater than 75 mass % and equal to or smaller than 100 mass %, and a length-weighted average fiber length of the fibrous filler is equal to or greater than 0.7 mm.

METHOD AND SYSTEM FOR RECYCLING UNCURED COMPOSITE OFFCUTS

A method of recycling scraps or offcuts of uncured composite material, such as pre-impregnated or “prepreg” scraps or offcuts having reinforcing fibres and uncured polymer matrix material, includes introducing the scraps or offcuts into a mixing device directly; mixing the scraps or offcuts in the mixing device to blend uncured polymer matrix material and reinforcing fibres of the scraps or offcuts into a generally homogenous or consistent mixture; and feeding or conveying the mixture from the mixing device into a shaping mechanism to form a component or semi-finished product and preferably on a continuous basis. 1. A method of recycling scraps or offcuts of uncured composite material , such as pre-impregnated or prepreg scraps or offcuts having reinforcing fibres and uncured polymer matrix material , comprising:introducing the scraps or offcuts into a mixing device directly;mixing the scraps or offcuts in the mixing device to blend uncured polymer matrix material and reinforcing fibres of the scraps or offcuts into a generally homogenous or consistent mixture; andfeeding or conveying the mixture from the mixing device into a shaping mechanism to form a component or semi-finished product.2. The method according to claim 1 , wherein the shaping mechanism comprises: an extrusion die and the feeding step includes extruding or pultruding the mixture through the extrusion die claim 1 , and/or one or more forming rollers which engage or press sides of the mixture to form a cross-section or profile of the component or semi-finished product.3. The method according to claim 1 , wherein the shaping mechanism includes a molding tool and wherein the feeding step includes feeding or drawing the mixture into the molding tool claim 1 , wherein the molding tool is configured to clamp or to press and hold the mixture therein and to draw the mixture from the mixing device.4. The method according to claim 1 , wherein mixing the scraps or offcuts in the mixing device includes at least ...

Extrusion device and extrusion method that produces a plastic film

An extrusion device that produces plastic film includes at least two feed units that feed feedstock to an extruder, wherein each feed unit has at least one discharge opening including a discharge closure to open and close the discharge opening, and a container interface that reversibly fastens a discharge container that accommodates feedstock discharged from the respective feed unit.

Method for producing superficially crystalline spherical granules by means of air-cooled hot die face pelletizing and apparatus for carrying out the method

A method and a device for producing superficially crystalline spherical granules by means of air-cooled hot die face pelletizing in a cutting chamber. A crystallizable plastic material can be melted and then extruded through a perforated plate. During the air-cooled hot die face pelletizing, at least one cutting blade can be moved relative to the perforated plate. The perforated plate can be temperature-controlled while maintaining a viscosity of the plastic material within nozzle openings. A superficial cooling to a crystal nucleation temperature of the dry-cut granules is performed by means of a centripetally inflowing process gas. The crystal nucleation temperature is below an optimum crystal growth temperature and above a glass transition temperature. By controlling the quantity of process gas at an adiabatic temperature, an average granule temperature is maintained in a range of an optimum crystal growth temperature.

Crosslinkable polymeric compositions with amine-functionalized interpolymers, methods for making the same, and articles made therefrom

Crosslinkable polymeric compositions comprising an ethylene-based polymer, an organic peroxide, and an amine-functionalized interpolymer. Such crosslinkable polymeric compositions and their crosslinked forms can be employed as polymeric layers in wire and cable applications, such as insulation in power cables.

TEMPERATURE-CONTROLLED THERMOKINETIC MIXER

A shaft assembly for use in a temperature-controlled K-mixer is provided, along with the mixer including the shaft assembly. The shaft assembly includes an inner hollow shaft defining an inner passage, and an outer hollow shaft coaxially surrounding the inner hollow shaft. An outer passage extends between the inner and outer hollow shafts. The shaft also includes a plurality of blades extending from the outer hollow shaft, for mixing the material. Each of the blades is provided with channels. The inner passage, the channels and the outer passage form a continuous flow path allowing a pressurized fluid to circulate within inner and outer hollow shafts and the blades, for controlling temperature of the shafts and the blades. The channels allow a flow of the fluid in the blades in an opposite direction of a rotational direction of the shaft assembly. 2. The temperature-controlled K-mixer according to claim 1 , wherein each of the blades has a body with a mounting end operatively mounted to the outer hollow shaft claim 1 , and an outer end opposed to the mounting end claim 1 , at least some of the channels of each blade extending from the mounting end to the outer end.3. The temperature-controlled K-mixer according to claim 1 , wherein for each of the blades claim 1 , the channels are shaped and configured as U-shaped channels.4. The temperature-controlled K-mixer according to claim 3 , wherein each of the blades comprises:opposed first and second lateral faces which are substantially parallel to a transverse cross-section the hollow shafts;a cavity formed between said lateral faces; anda plurality of sidewalls extending within the cavity from the first to the second lateral face, said sidewalls delimiting the channels.5. The temperature-controlled K-mixer according to claim 4 , wherein at least one of the sidewalls has an I-shape or an L-shape.6. The temperature-controlled K-mixer according to claim 4 , wherein each of the blades comprises a mounting mechanism ...

SHEET MANUFACTURING APPARATUS AND SHEET MANUFACTURING METHOD

A sheet manufacturing apparatus includes a mixing unit that mixes fibers and a composite in the atmosphere, a forming unit that deposits and heats a mixture mixed by the mixing unit to form a sheet; in which the composite is resin particles with at least a portion of a surface coated by inorganic fine particles, and an absolute value of an average charging amount of the composite is 40 μC/g or higher. 1. A sheet manufacturing apparatus comprising:a mixing unit configured to mix fibers and a composite in the atmosphere; anda forming unit configured to deposit and heat a mixture mixed by the mixing unit to form a sheet,wherein the composite is resin particles with at least a portion of a surface coated with inorganic fine particles, andan absolute value of an average charging amount of the composite is 40 μC/g or higher.2. The sheet manufacturing apparatus according to claim 1 ,wherein the volumetric average particle diameter of the resin particles is 25 μm or less.3. The sheet manufacturing apparatus according to claim 1 ,wherein the volumetric average particle diameter of the inorganic fine particles is 40 nm or less.4. The sheet manufacturing apparatus according to claim 1 ,wherein the composite is not divided into the resin and the inorganic fine particles during mixing in the mixing unit.5. The sheet manufacturing apparatus according to claim 1 , a discharging unit configured to discharge the mixture,', 'a mesh belt configured to accumulate the mixture, and', 'a suction unit configured to suction gas that includes the mixture via the mesh belt., 'wherein the forming unit includes'}6. The sheet manufacturing apparatus according to claim 1 ,wherein the content of the inorganic fine particles in the composite is 0.1% by weight or more to less than 4% by weight.7. The sheet manufacturing apparatus according to claim 1 ,wherein the mixing unit includes a plurality of rotary units having blades that rotate, and mixes the fibers and the composite by being passed through ...

KNEADING DEVICE

A kneading device includes: a preliminary kneading device that produces a preslurry by agitating a powder and a liquid introduced and transferring them while wetting the powder with the liquid; and a main kneading device that causes the powder to be uniformly dispersed in the preslurry supplied from the preliminary kneading device to produce a slurry. The main kneading device includes a gap defined by two conical surfaces that face each other with a predetermined distance therebetween and rotate relative to each other about their central axes. The slurry is produced by passing the preslurry through the gap. With the preliminary kneading device, the powder is dispersed in the liquid after conforming to the liquid, which suppress damage to the powder. The conditions of main kneading can be changed only by adjusting the gap, which facilitates the operation of changing the conditions of the main kneading. 1. A kneading device comprising:a preliminary kneading device that produces a preslurry by agitating a powder and a liquid introduced and wetting the powder with the liquid during transferring the powder and the liquid; anda main kneading device that includes a gap defined by two conical surfaces facing each other with a predetermined distance provided therebetween and that produces a slurry by passing the preslurry supplied from the preliminary kneading device through the gap so that the powder is uniformly dispersed in the preslurry, the two conical surfaces rotating relative to each other around their respective central axes, the predetermined distance of the gap being adjustable.2. The kneading device according to claim 1 , whereinthe preliminary kneading device includes a pair of screws that is arranged side by side so as to be parallel to each other, engaged with each other, and rotatable about their respective axes, andthe preliminary kneading device is connected to a supply pipe line for introducing the powder and the liquid to the preliminary kneading device ...

USE OF FABRIC CUTTING SCRAP

The invention provides a method of using fabric cutting scrap, which method comprises the steps of: 1. A method of using fabric cutting scrap , which method comprises the steps of:(a) cutting the cutting scrap into flakes,(b) admixing the flakes to a polymer melt,(c) kneading the polymer melt with the flakes, so the flakes disintegrate into individual fibers, and(d) molding the polymer melt with the admixed fibers into an intermediate article,wherein the fabric is fabricated from carbon fiber.2. The method according to claim 1 , wherein the fabric is a fabric woven claim 1 , laid or knitted from continuous strand fiber.3. (canceled)4. The method according to claim 1 , wherein the flakes are treated with a sizing composition before they are admixed to the polymer melt.5. The method according to claim 1 , wherein the cutting scrap is cut into flakes using a blade claim 1 , a diecutting lattice or a laser.6. The method according to claim 1 , wherein a screw plunger machine is used to admix the flakes and knead the polymer melt with the flakes.7. The method according to claim 6 , wherein the screw plunger machine is an extruder.8. The method according to claim 7 , wherein the extruder comprises a feed port with a feed screw to admix the flakes to the polymer melt.9. The method according to any wherein the polymer melt comprises a thermoplastic polymer.10. The method according to claim 9 , wherein the thermoplastic polymer is selected from polybutylene terephthalate claim 9 , polyethylene terephthalate claim 9 , polyoxymethylene claim 9 , polyamide claim 9 , polypropylene claim 9 , polyethylene claim 9 , polyether sulfone or mixtures of two or more thereof.11. The method according to claim 1 , wherein the intermediate article is a pellet material comprising fiber.12. The method according to claim 2 , wherein the flakes are treated with a sizing composition before they are admixed to the polymer melt. The present invention relates to a method of using fabric cutting scrap ...

HYDRATION SYSTEMS AND METHODS

A substantially continuous stream of aqueous fluid and a substantially continuous stream of gel having a first concentration are combined to form a substantially continuous stream of gel having a second concentration. The second concentration is substantially lower than the first concentration. The gel having the second concentration may thereafter be utilized in conjunction with a well fracturing operation. 1. A method , comprising:communicating a substantially continuous stream of gel having a first concentration;communicating a substantially continuous stream of aqueous fluid;combining the substantially continuous streams of gel having the first concentration and aqueous fluid to form a substantially continuous stream of gel having a second concentration, wherein the second concentration is substantially lower than the first concentration; andutilizing the gel having the second concentration in a well fracturing operation.2. The method of further comprising:mixing a substantially continuous stream of hydratable material with a substantially continuous stream of aqueous fluid with a mixer to form the gel having the first concentration; anddischarging the gel having the first concentration from the mixer as the substantially continuous streams of hydratable material and aqueous fluid are being mixed to form the substantially continuous stream of gel having the first concentration.3. The method of wherein:the hydratable material substantially comprises guar; andthe aqueous fluid substantially comprises water.4. The method of further comprising claim 1 , before combining the substantially continuous streams of gel having the first concentration and aqueous fluid to form the substantially continuous stream of gel having the second concentration claim 1 , communicating the substantially continuous stream of gel having the first concentration through a hydration tank to permit the substantially continuous stream of gel having the first concentration to reach a ...

INJECTION MOLDING MACHINE

An injection molding machine includes a cylinder; a screw; a rotary driving unit; a reciprocation driving unit; a pressure detector that detects a pressure of a molding material in front of the screw; a control unit that performs a first type of plasticizing process where the screw is moved backward to a predetermined position and rotated at the predetermined position to transfer the molding material forward to reserve the molding material in front of the screw, performs a first type of filling process where the screw is moved forward to inject the molding material reserved in front of the screw in the first type of plasticizing process from the cylinder to be filled in a mold unit, monitors the pressure in the first type of filling process by the pressure detector, and corrects the setting of the first type of filling process based on a monitored result. 1. An injection molding machine comprising:a cylinder that heats a molding material;a screw that is rotatably and reciprocatably provided in the cylinder;a rotary driving unit that rotates the screw;a reciprocation driving unit that reciprocates the screw;a pressure detector that detects a pressure of the molding material reserved in front of the screw;a control unit that controls the rotary driving unit and the reciprocation driving unit, performing a first type of plasticizing process in which the screw is moved backward to a predetermined position and the screw is rotated at the predetermined position to transfer the molding material forward to reserve the molding material in front of the screw,', 'performing a first type of filling process in which the screw is moved forward to inject the molding material reserved in front of the screw in the first type of plasticizing process from the cylinder to be filled in a mold unit,', 'monitoring the pressure in the first type of filling process by the pressure detector, and', 'correcting a setting of the first type of filling process based on a monitored result., 'the ...

Method and Device for Producing an Extrudate

In a method and a corresponding device for producing an extrudate, starting products are introduced into an extrusion container, heated, and homogeneously intermixed by dual asymmetric centrifugation of the extrusion container. The extrusion container is rotated about a primary rotation axis that extends outside the extrusion container, and is simultaneously rotated about a secondary rotation axis that extends through the extrusion container and is situated at an acute angle with respect to the primary rotation axis. Lastly, the intermixed starting products are jointly extruded from the extrusion container. The method and the corresponding device are particularly suitable for processing small and very small substance quantities. 1. A method for producing an extrudate , in which at least two starting products , at least one of which is a hot melting starting product , are introduced into an extrusion container , the starting products are heated and homogeneously intermixed , and the intermixed starting products are jointly extruded from the extrusion container , wherein for mixing the starting products , the extrusion container containing the starting products is dual asymmetrically centrifuged , the extrusion container being rotated about a primary rotation axis that extends outside the extrusion container , and being simultaneously rotated about a secondary rotation axis that extends through the extrusion container and is situated at an acute angle with respect to the primary rotation axis.2. The method according to claim 1 , wherein a container equipped with a lockable extrusion opening is used as the extrusion container claim 1 , the extrusion opening being kept closed during the dual asymmetric centrifugation claim 1 , and being opened prior to the extrusion.3. The method according to claim 1 , wherein the extrusion of the intermixed starting products present in the extrusion container takes place by a piston that is movably situated in the extrusion container.4 ...

Process for preparing a polyolefin composition

A process for continuously preparing a polyolefin composition made from or containing a bimodal or multimodal polyolefin and one or more additives in an extruder device equipped with at least one hopper. The process includes the steps of supplying a bimodal or multimodal polyolefin in form of a polyolefin powder to the hopper; (a) measuring the flow rate of the polyolefin powder or (b) measuring the flow rate of the prepared polyolefin pellets; supplying one or more additives to the hopper; adjusting the flow rates of the additives supplied to the hopper in response to the measured flow rate of the polyolefin powder or adjusting the flow rate of the polyolefin powder in response to the measured flow rate of the polyolefin pellets; melting and homogenizing the polyolefin powder and additives within the extruder device; and pelletizing the molten polyolefin composition into the polyolefin pellets.

Method for removing moisture from polymer pellets for plastic injection and extrusion

The invention relates to a solution for reducing and removing moisture from plastic pellets by means of absorption and condensation, in which energy consumption is reduced and the process is simplified, making use of infrared wavelength efficiency, and comprising the following steps: 1. a supply phase using a dosing tank; 2. a distribution phase using a pellet levelling and dispensing device, a conveyor belt and a vibrating motor on the conveyor belt; 3. a moisture-removal phase using one or more infrared wave emitters disposed in parallel, a ventilated or cooled motor for a set of emitters, an air-recirculation passage for a set of emitters, an input temperature probe, an output temperature probe, and a moisture control probe; and 4. a discharge phase in which the material from which the moisture has been removed is discharged using a thermally-insulated collector tank.

Chemical-free production of graphene-polymer pellets and graphene-polymer nanocomposite products

Provided is a method of producing pellets of a graphene-polymer composite, the method comprising: (a) mixing multiple particles of a graphitic material and multiple particles of a solid polymer carrier material to form a mixture in an impacting chamber of an energy impacting apparatus; (b) operating the energy impacting apparatus with a frequency and an intensity for a length of time sufficient for peeling off graphene sheets from the graphitic material particles and transferring the graphene sheets to surfaces of the solid polymer carrier material particles to produce graphene-coated polymer particles inside the impacting chamber; and (c) feeding multiple graphene-coated polymer particles into an extruder to produce filaments of an extruded graphene-polymer composite and operating a cutter or pelletizer to cut the filaments into pellets of graphene-polymer composite. The process is fast (hours as opposed to days of conventional processes), environmentally benign, cost effective, and highly scalable.

Process for Making Shaped Articles

Methods of making an environmentally acceptable shaped article. In an embodiment method comprises machining a sheet comprising crumb rubber within a polyolefin matrix into a plurality of particles to form a reground mixture; and processing the reground mixture at an elevated temperature into a mold to form said shaped article, wherein the shaped article has a substantially more evenly dispersed mixture of said crumb rubber within the matrix of said shaped article than within the matrix of said sheet or the particles of the reground mixture. 1. A method of making a shaped article , the method comprising:machining a sheet/ribbon/mat comprising crumb rubber substantially evenly dispersed within a polyolefin matrix into a plurality of particles to form a reground mixture; andprocessing the reground mixture at an elevated temperature into a mold to form said shaped article,wherein the shaped article has a substantially homogeneously dispersed mixture of said crumb rubber within the matrix of said shaped article than within the matrix of said sheet or the particles of the reground mixture.2. The method of claim 1 , wherein the crumb rubber is up to about 10 claim 1 , 11 claim 1 , 12 claim 1 , 13 claim 1 , 14 claim 1 , 15 claim 1 , 16 claim 1 , 17 claim 1 , 18 claim 1 , 19 claim 1 , 20 claim 1 , 30 claim 1 , 40 claim 1 , 50 claim 1 , 60 claim 1 , 70 or 80 mesh and combinations thereof3. The method of claim 2 , wherein the crumb rubber is up to about 20 mesh.4. The method of any one of to claim 2 , wherein said crumb rubber is recycled rubber.{'b': '4', 'claim-ref': [{'@idref': 'CLM-00001', 'claims 1'}, {'@idref': 'CLM-00004', '4'}], 'a. The method of any one of to , wherein the rubber is selected from the group consisting of styrene-butadiene rubber (SBR), ethylene propylene diene rubber (EPDM), ethylene propylene rubber (EPR), butadiene rubber (BR) and mixtures thereof'}{'b': 4', '4, 'b. The method of claim a, wherein the rubber SBR from ground scrap/used tires.'}{'b': 4 ...

RECYCLED PLASTIC COMPOSITE COMPOSITION

A composition for a recycled plastic composite composition, and a method of making the composite composition, is provided. The composite composition includes recycled EVA from 30% to 80% and a stone powder from 20% to 70%; percentages by weight. 121.-. (canceled)22. A method of preparing a recycled plastic composite , the method comprising: 30 to 80 wt. % of recycled plastic; and', '20 to 70 wt. % heavy calcium carbonate;', 'melting the dry composition to form a viscous liquid composite;, 'mixing together components to form a dry composition, the components comprising, based on the total compositionconveying the viscous liquid composite to a mold;heat pressing the viscous liquid composite in the mold to form a molded composite;recirculating cooling water to de-mold the molded composite to form a de-molded composite;immersing the de-molded composite in water; andcompleting the heat pressing to obtain the recycled plastic composite.23. The method of claim 22 , wherein the dry composition is heated to about 160° C. to 240° C.24. The method of claim 22 , further comprising feeding the dry composition to a screw melting machine with electric heating for melting of the dry composition.25. The method of claim 22 , wherein recirculating further comprises circulating cooling water about the mold.26. The method of claim 22 , wherein the recycled plastic comprises ethylene-vinyl acetate copolymer claim 22 , chlorinated polypropylene claim 22 , polyvinyl chloride claim 22 , polyethylene claim 22 , or a combination thereof.27. The method of claim 22 , wherein the recycled plastic comprises ethylene-vinyl acetate copolymer.28. The method of claim 22 , wherein the recycled plastic consists of ethylene-vinyl acetate copolymer.29. The method of claim 22 , further comprising adding 1 to 15 wt. % talc to the composition.30. The method of claim 29 , wherein a size of heavy calcium carbonate is from 600 mesh to 1200 mesh.31. A method of preparing a recycled plastic composite claim 29 , ...

MIXING MACHINE AND RELATED METHODS

A mixing machine () for the mixing of a homogeneous mixture with one or more components to obtain a viscous mixture, comprising a mixing chamber () which is divided in a push (A), a mixing (B) and a discharge zone (C), and wherein the mixing chamber () comprises the following parts: multiple walls, consisting of one or more top plates () with multiple inflow channels (), one or more bottom plates () and multiple side walls (); an outlet mouth (); an outlet valve (); several rotors (); in and out sliding push and/or mixing blades (); and a self-cleaning system (); characterised in that the rotors () are integrated in the side walls () of the mixing chamber (); the rotors are equipped with transit channels () for the in and out sliding push or mixing blades (); and the self-cleaning system comprises a cleaning plate () and a driving mechanism () wherein the cleaning plate () can move longitudinally through the mixing chamber ().

Mineral-filled thermoplastic composition having good mechanical properties

The invention relates to a composition for producing a thermoplastic moulding material, wherein the composition contains the following constituents: A) at least one polymer selected from the group consisting of aromatic polycarbonate, aromatic polyestercarbonate and polyester, B) at least one anhydride-functionalized ethylene-α-olefin copolymer or ethylene-α-olefin terpolymer having a weight-average molecular weight Mw of 50000 to 500000 g/mol determined by high-temperature gel permeation chromatography using ortho-dichlorobenzene as solvent against polystyrene standards, C) a talc-based mineral filler, and also to a process for producing the moulding material, to the moulding material itself, to the use of the composition or of the moulding material for producing moulded articles and to the moulded articles themselves.

Surface-treated compacted material

The present invention relates to a process for producing a compacted material comprising the steps of providing a powder material and a polymer binder, simultaneously or subsequently feeding the powder material and the polymer binder into a high speed mixer unit, mixing the powder material and the polymer binder in the high speed mixer unit until formation of a compacted material, and reducing the temperature of the obtained compacted material below the melting point or glass transition temperature of the polymer binder.

Process for preparing a polyolefin composition

A process for continuously preparing a polyolefin composition made from or containing a polyolefin and carbon black in an extruder device. The process includes the steps of supplying polyolefin in form of a polyolefin powder and carbon black to a mixing device; alternatively, (a) measuring the flow rate of the polyolefin powder supplied to the mixing device or (b) measuring the flow rate of the polyolefin pellets prepared in the extruder device; adjusting the flow rate of the carbon black to the mixing device in response to the measured flow rate of the polyolefin powder or adjusting the flow rate of the polyolefin powder to the mixing device in response to the measured flow rate of the polyolefin pellets; melting and homogenizing the mixture within the extruder device; and pelletizing the polyolefin composition into the polyolefin pellets.

Synthetic wood meal, method and apparatus for manufacturing the same; synthetic wood boards including the synthetic wood meal, method and apparatus of extrusion molding therefor

Kontinuierliches Herstellungsverfahren von Wasser absorbierenden Polymeren

Thermoplastic vulcanizate prepared with oil-extended, bimodal metallocene-synthesized epdm

A process for producing a thermoplastic vulcanizate, the process comprising: (i) charging a reactor with an oil-extended olefinic copolymer rubber, where the rubber is synthesized by a single-site catalyst, characterized by a multi-modal molecular weight distribution, and includes greater than 10 parts by weight extender oil per 100 parts by weight rubber; (ii) charging the reactor, contemporaneously or sequentially with respect to the rubber, with a thermoplastic resin, an oil, and a cure system to provide a pre-vulcanized mixture; and (iii) mixing the rubber, thermoplastic resin, oil, and cure system at a temperature above the melt temperature of the thermoplastic resin to thereby cause dynamic vulcanization of the rubber and produce the thermoplastic vulcanizate.

Synthetic resin molded article using plastic waste

The present invention provides a synthetic resin molded product reusing plastic waste including a plurality of kinds of plastics mixed therein (such as ocean plastic trash, and hardly classifiable plastic trash in industrial waste or general waste) as raw materials, and having a high sense of design, and provides a manufacturing method thereof. The molded product is characterized by being molded with a powder of plastic waste including a plurality of kinds of plastics mixed therein, and a powder of a second material (such as a woodchip) not molten under a temperature condition of 200° C. as raw materials, and is characterized in that a large number of spots 33 different in color and/or glossiness from a base color of the molded product (deck material 31) are scattered at random on a surface of the molded product, and in that a stipple pattern is formed on the surface of the molded product.

Dynamically vulcanized thermoplastic elastomer film

A dynamically vulcanized alloy containing an elastomer and a thermoplastic resin is prepared by a process wherein supercritical fluid is injected into the thermoplastic elastomeric material as the material is mixed in an extruder. The material is mixed under conditions such that the thermoplastic elastomeric material is dynamically vulcanized wherein the elastomer forms a discontinuous dispersed of small particles in a continuous phase of the thermoplastic resin. The DVA material may then be directly formed into film or sheets by the use of at least one set of rolls located adjacent to the extruder outlet.

Process for reducing peroxide migration in crosslinkable ethylene-based polymer compositions

A composition comprising: A. 91.5 to 97.9 % of a crosslinkable ethylene-based polymer, e.g., LDPE; B. 1 to 3 % of an organic peroxide, e.g., dicumyl peroxide; C. 1 to 5 % of a dielectric fluid, e.g., an alkylated naphthalene; and D. 0.1 to 0.5 % of a coagent such as AMSD. The compositions exhibit high cure rates without any significant reduction in scorch resistance, heat ageing and electrical performance, and are particularly useful as insulation sheaths for medium and high voltage power cables.

Process for reducing peroxide migration in crosslinkable ethylene-based polymer compositions

The compositions exhibit high cure rates without any significant reduction in scorch resistance, heat ageing and electrical performance, and are particularly useful as insulation sheaths for medium and high voltage power cables.

Process for reducing peroxide migration in crosslinkable ethylene-based polymer compositions

A composition comprising: A. 91.5 to 97.9% of a crosslinkable ethylene-based polymer, e.g., LDPE; B. 1 to 3% of an organic peroxide, e.g., dicumyl peroxide; C. 1 to 5% of a dielectric fluid, e.g., an alkylated naphthalene; and D. 0.1 to 0.5% of a coagent such as AMSD. The compositions exhibit high cure rates without any significant reduction in scorch resistance, heat ageing and electrical performance, and are particularly useful as insulation sheaths for medium and high voltage power cables.

Mineral-filled thermoplastic composition having good mechanical properties

The invention relates to a composition for producing a thermoplastic moulding material, wherein the composition contains the following constituents:A) at least one polymer selected from the group consisting of aromatic polycarbonate, aromatic polyestercarbonate and polyester,B) at least one anhydride-functionalized ethylene-α-olefin copolymer or ethylene-α-olefin terpolymer having a weight-average molecular weight Mw of 50000 to 500000 g/mol determined by high-temperature gel permeation chromatography using ortho-dichlorobenzene as solvent against polystyrene standards,C) a talc-based mineral filler,and also to a process for producing the moulding material, to the moulding material itself, to the use of the composition or of the moulding material for producing moulded articles and to the moulded articles themselves.

additive, composition and polymer processing methods.

Systems and methods for making thermoplastic products and compositions

Systems and methods to produce thermoplastic products in a process are described herein. In some cases, the systems and methods may eliminate contact between the product and a heat transfer fluid. The thermoplastic compositions can be useful for roadway markings. In some examples, a formed thermoplastic product is discharged by a product formation apparatus onto a temperature controlled transporter, cooled, and cut to a desired product dimension.

Process for producing a cable with a recyclable coating

A process for producing a cable, such as, for medium-tension or high-tension power transmission or distribution, having at least one coating layer made of a thermoplastic polymer material. The process includes at least the following steps: (a) extruding a thermoplastic material of at least one thermoplastic polymer and at least one dielectric liquid; (b) passing the thermoplastic material through at least one static mixer; and (c) depositing and shaping the thermoplastic material around a conductor belonging to the cable so as to obtain a layer of thermoplastic coating on the conductor.

Process for producing a cable with a recyclable coating

The present invention relates to a process for producing a cable, in particular for medium-tension or high-tension power transmission or distribution. More particularly, the present invention relates to a process for producing a cable, preferably for medium-tension or high-tension power transmission or distribution, which has at least one coating layer made of a thermoplastic polymer material. Said process comprises at least the following steps: (a) extruding a thermoplastic material comprising at least one thermoplastic polymer and at least one dielectric liquid; (b) passing said thermoplastic material through at least one static mixer; (c) depositing and shaping the thermoplastic material around a conductor belonging to the cable so as to obtain a layer of thermoplastic coating on said conductor.

PROCEDURE FOR THE PRODUCTION OF A CABLE WITH A RECYCLABLE COVER.

Procedimiento para la producción de un cable provisto de por lo menos un recubrimiento termoplástico, que comprende: - extrudir un material termoplástico que comprende por lo menos un polímero termoplástico y por lo menos un líquido dieléctrico; - pasar dicho material termoplástico a través de por lo menos un mezclador estático (40); - depositar y conformar dicho material termoplástico alrededor de un conductor (2) para obtener una capa de recubrimiento termoplástico sobre dicho conductor. Process for the production of a cable provided with at least one thermoplastic coating, comprising: - extruding a thermoplastic material comprising at least one thermoplastic polymer and at least one dielectric liquid; - passing said thermoplastic material through at least one static mixer (40); - depositing and forming said thermoplastic material around a conductor (2) to obtain a thermoplastic coating layer on said conductor.

Process for producing a cable with a recyclable coating

A process for producing a cable, such as, for medium-tension or high-tension power transmission or distribution, having at least one coating layer made of a thermoplastic polymer material. The process includes at least the following steps: (a) extruding a thermoplastic material of at least one thermoplastic polymer and at least one dielectric liquid; (b) passing the thermoplastic material through at least one static mixer; and (c) depositing and shaping the thermoplastic material around a conductor belonging to the cable so as to obtain a layer of thermoplastic coating on the conductor.

Method and apparatus for monitoring polyolefin production

The present technique provides for the use of spectroscopic probes, such as Raman probes, within the conduits of a polyolefin production system. The Raman probe or other spectroscopic probes may be used to obtain spectroscopic measurements of the contents of the conduits. The spectroscopic measurements may be processed and analyzed to determine the composition of the conduit contents. In addition, the spectroscopic measurements may be used in conjunction with correlations or other statistical models to determine one or more properties of interest of a constituent of the conduit contents. One or more processes upstream and/or downstream of the conduit may be adjusted in response to the determined composition or composition properties.

Cable layer of modified soft polypropylene with improved stress whitening resistance

Cable layer comprising a propylene polymer composition comprising (a) a polypropylene (A) (b) an elastomeric copolymer (E) comprising units derived from propylene and ethylene and/or C4 to C20 α-olefin and (c) a polar ethylene polymer (C) wherein the cable layer and/or the propylene polymer composition has a gel content of equal or more than 0.20 wt.-%.

Method of extruding linear low-density polyethylene (lldpe) without surface fractures in the melt

A method of extruding a melt of a linear low-density polyethylene (LLDPE) without surface melt fracture, the method comprises heating a melt of the LLDPE to a temperature from 190.0 to 260.0 degrees Celsius; and extruding through a die the heated melt at a shear rate of from 1,100 to 7,000 per second and at a shear stress of greater than 0.40 megapascal, thereby forming a polyethylene extrudate without surface melt fracture.

Proceso para la reduccion de la migracion de peroxido en composiciones de polimero a base de etileno reticulable.

Una composición que comprende: A. 91.5 a 97.9% de un polímero a base de etileno reticulable, por ejemplo, LDPE; B. 1 a 3% de un peróxido orgánico, por ejemplo, peroxido de dicumilo; C. 1 a 5% de un fluido dieléctrico por ejemplo, naftaleno alquilado; y D. 0.1 a 0.5% de un coagente, tal como AMSD. La composición exhibe altas tasas de curado sin ninguna reducción significativa en la resistencia de vulcanización prematura, envejecimiento por calor y rendimiento eléctrico, y son particularmente útiles como cubiertas de aislamiento para cables de alimentación de tensión media y alta.

Mineral-filled thermoplastic composition with good mechanical properties

Modified soft polypropylene cable with improved tensile whitening resistance

Cable que comprende al menos un conductor y una o más capa(s) de revestimiento, en el que al menos una capa de revestimiento es una capa de cable que comprende una composición de polímero de propileno que comprende (a) al menos 36,0% en peso de un polipropileno (A) (b) no más de 50,0% en peso de un copolímero elastomérico (E) que comprenden unidades derivadas de - Propileno y - Etileno y/o α-olefina C4 a C20 y (c) al menos 10,0% en peso de un polímero de etileno polar (C), en donde los porcentajes se basan en la cantidad total de la composición de polímero de propileno y en donde (i) el polipropileno (A) constituye una matriz en la que el copolímero elastomérico (E) y/opcionalmente el polímero de etileno polar (C) se dispersa dentro de la matriz, (ii) la capa de cable y/o la composición de polímero de propileno tiene un contenido de gel medido de acuerdo con el método dado en la descripción de igual o mayor que 0,20% en peso, y (iii) dicha composición comprende adicionalmente unidades (D) derivadas de al menos un monómero(s) insaturado bifuncionalmente (D') y/o al menos un polímero(s) de bajo peso molecular insaturado multifuncionalmente que tiene Mn <= 10000 g/mol (seg) (D''). Cable comprising at least one conductor and one or more coating layer (s), wherein at least one coating layer is a cable layer comprising a propylene polymer composition comprising (a) at least 36.0 % by weight of a polypropylene (A) (b) not more than 50.0% by weight of an elastomeric copolymer (E) comprising units derived from - Propylene and - Ethylene and / or α-olefin C4 to C20 and (c ) at least 10.0% by weight of a polar ethylene polymer (C), wherein the percentages are based on the total amount of the propylene polymer composition and where (i) the polypropylene (A) constitutes a matrix wherein the elastomeric copolymer (E) and / optionally the polar ethylene polymer (C) is dispersed within the matrix, (ii) the cable layer and / or the propylene polymer composition has a ...

Crosslinkable polymeric compositions with amine-functionalized interpolymers, methods for making the same, and articles made therefrom

Crosslinkable polymeric compositions comprising an ethylene-based polymer, an organic peroxide, and an amine-functionalized interpolymer. Such crosslinkable polymeric compositions and their crosslinked forms can be employed as polymeric layers in wire and cable applications, such as insulation in power cables.

Patent RU2017121182A3

РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2017 121 182 A (51) МПК B29B 7/60 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2017121182, 03.12.2015 (71) Заявитель(и): БАЗЕЛЛ ПОЛИОЛЕФИН ГМБХ (DE) Приоритет(ы): (30) Конвенционный приоритет: 04.12.2014 EP 14196371,0 01 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 04.07.2017 EP 2015/078470 (03.12.2015) (87) Публикация заявки PCT: A WO 2016/087564 (09.06.2016) Адрес для переписки: 123242, Москва, пл. Кудринская, д. 1, а/я 35, "Михайлюк, Сороколат и партнеры патентные поверенные" R U (57) Формула изобретения 1. Способ непрерывного получения в экструдере полиолефиновой композиции, содержащей полиолефин и технический углерод; способ, включающий стадии: (i) подачи полиолефина в виде порошка полиолефина в перемешивающее устройство; (i) измерения расхода порошка полиолефина, поданного в перемешивающее устройство, или измерение расхода гранул полиолефина, полученных в экструдере; (ii) подачи технического углерода в перемешивающее устройство; (iii) подачи одной или нескольких дополнительных присадок в перемешивающее устройство; в ходе измерения расхода порошка полиолефина, поданного в перемешивающее устройство, корректировки расхода технического углерода и, необязательно, одной или нескольких дополнительных присадок, поданных в перемешивающее устройство в ответ на измеренный расход порошка полиолефина, или в ходе измерения расхода гранул полиолефина, полученных в экструдере, корректировки расхода порошка полиолефина, поданного в перемешивающее устройство, в ответ на измеренный расход гранул полиолефина, или сохранения постоянным расхода технического углерода и, необязательно, одной или нескольких дополнительных присадок, поданных в перемешивающее устройство, или также корректировки расхода технического углерода и, необязательно, одной или нескольких дополнительных присадок, поданных в Стр.: 1 A 2 0 1 7 1 2 1 1 8 2 (54) СПОСОБ ПОЛУЧЕНИЯ ПОЛИОЛЕФИНОВОЙ ...

Method

Artificial wood particle flour, method and device for its production, board, produced from artificial wood particle flour, method and device for extrusion production of such board

FIELD: wood processing industry. SUBSTANCE: artificial wood flour which contains 25-80 weight percents of thermoplastic polymer material is produced by mixing it with 20-70 weight percents of ground cellulose material with moisture content of 15 weight percents and average size of particles less than 0.84 mm. Then mix is subjected to plasticization with conversion to gel condition. Then plasticized material is cooled and ground with subsequent control of size of particles down to diameter which is not greater than 10 mm. Then 20-75 wt.-% of artificial wood flour is mixed with polymer material. Mix is subjected to plasticization with heating and is pressed through extrusion head by means of auger or augers. When material which is subjected to extrusion passes surface of inner wall of extrusion head which is plated with fluoropolymer sheet material, extrusion of ground cellulose material, which is contained in material to be processed, is uniform without significant traction force. EFFECT: production of uniform wood particle board with high density. 29 cl, 18 dwg, 8 tbl сзубстс ПЧ ГЭ РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (19) ВИ” 2129 485 ' (51) МПК 13) СЛ В 27Е 11/06, В 27 М 3/02, 3/28 12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21), (22) Заявка: 95101834/13, 09.02.1995 (30) Приоритет: 10.02.1994 /Р 6-16794 (46) Дата публикации: 27.04.1999 (56) Ссылки: УР 3-59804, 11.09.91. 4Р 4-7283, 10.02.92. 54 1518123 АЛ, 30.10.89. $4 636104 А, 10.12.18. (98) Адрес для переписки: 103735, Москва, ул.Ильинка, 5/2, Союзпатент, Пат.поверенному Томской Е.В. (71) Заявитель: Эйн Инджиниринг Ко., Лтд. (ЦР) (72) Изобретатель: Садао Нисибори (Р) (73) Патентообладатель: Эйн Инджиниринг Ко., Лтд. (Р) (54) ИСКУССТВЕННАЯ ДРЕВЕСНАЯ МУКА, СПОСОБ И УСТРОЙСТВО ДЛЯ ЕЕ ПОЛУЧЕНИЯ, ПЛИТА, ПОЛУЧЕННАЯ НА ОСНОВЕ ИСКУССТВЕННОИ ДРЕВЕСНОЙ МУКИ, СПОСОБ И УСТРОИСТВО ЭКСТРУЗИОННОГО ФОРМОВАНИЯ ТАКОЙ ПЛИТЫ (ВАРИАНТЫ) (57) Реферат: Изобретение ОТНОСИТСЯ К деревообрабатывающей ...

Process for reducing peroxide migration in crosslinkable ethylene-based polymer compositions

A. 91.5 내지 97.9%의 가교성 에틸렌-기재 중합체, 예를 들어 LDPE; B. 1 내지 3%의 유기 퍼옥시드, 예를 들어 디쿠밀 퍼옥시드; C. 1 내지 5%의 유전성 유체, 예를 들어 알킬화 나프탈렌; 및 D. 0.1 내지 0.5%의 보조작용제, 예컨대 AMSD를 포함하는 조성물이 개시된다. 조성물은 스코치 내성, 열 노화 및 전기적 성능의 임의의 유의한 감소 없이 높은 경화 속도를 나타내며, 중전압 및 고전압 전력 케이블을 위한 절연 외피로서 특히 유용하다. A. 91.5 to 97.9% crosslinkable ethylene-based polymer, for example LDPE; B. 1 to 3% organic peroxide, for example dicumyl peroxide; C. 1 to 5% dielectric fluid, for example alkylated naphthalene; And D. 0.1 to 0.5% of an agonist, such as AMSD. The composition exhibits high cure rates without any significant reduction in scorch resistance, heat aging and electrical performance, and is particularly useful as an insulating sheath for medium and high voltage power cables.

Continuous in-line melt flow rate control system

The continuous in-line melt flow rate control system (40; 100) is coupled to a mixer/extruder system (10; 97) including a polymer, stabilizer and degradent feeding system (12, 16, 18; 102) supplying mixed materials to the inlet end of an extruder (24; 108) having a die head (26) at the outlet end thereof. The control system (40; 100) is coupled between a rheometer (42; 112) which monitors a slip stream (46; 110) of melt from the extruder (24; 108) and a ratio controller (48; 93) in the feeding system (12, 16, 18; 102). The control system (40; 100) includes a rheometer (42; 112) which monitors the viscosity of the slip stream of melt from the extruder (24; 108) upstream from the die head (26) and converts the monitored viscosity value to a process signal (F) and a controller (44; 84; 101) that compares the process signal (F) with a set point value (A) related to a target melt flow rate and generates a correction signal (B, C, D) when there is a difference between the process signal (F) and the set point value (A). The correction signal (D) is supplied to the degradent ratio controller (48; 93) for adjusting the amount of degradent added to the polymer fed to the extruder (24; 108) in response to the deviation of the process signal (F) from the set point value (A).

Device for and method of metering powder feed and material feed device incorporating powder feed device

FIELD: mechanics. ^ SUBSTANCE: proposed metered powder feed device incorporates the drive operated from the external power source. Powder feed device is coupled with the drive and runs, following the said drive, to displace powder in preset direction. The device comprises the chamber located nearby the powder feed part to receive powder displaced by previously mentioned part. The compressing part compacts displaced powder in the said chamber. The metered feed part separates required amount of powder from compacted one and discharges separated powder from the chamber. ^ EFFECT: uniform metering and efficient mixing of powder fed from powder metering device and plastic material. ^ 17 cl, 11 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 361 732 (13) C1 (51) МПК B29C 31/06 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21), (22) Заявка: 2007147950/12, 17.05.2006 (24) Дата начала отсчета срока действия патента: 17.05.2006 (73) Патентообладатель(и): ФАЙН ТЕКНИКС КО., ЛТД (KR) R U (30) Конвенционный приоритет: 23.05.2005 KR 10-2005-0043208 12.05.2006 KR 10-2006-0042832 (72) Автор(ы): БАК Сынг Хоон (KR) (45) Опубликовано: 20.07.2009 Бюл. № 20 (85) Дата перевода заявки PCT на национальную фазу: 24.12.2007 2 3 6 1 7 3 2 R U (87) Публикация PCT: WO 2006/126795 (30.11.2006) Адрес для переписки: 103735, Москва, ул. Ильинка, 5/2, ООО "Союзпатент", пат.пов. Л.С.Кишкиной C 1 C 1 (86) Заявка PCT: KR 2006/001833 (17.05.2006) (54) УСТРОЙСТВО И СПОСОБ ДОЗИРОВАННОЙ ПОДАЧИ ПОРОШКА И УСТРОЙСТВО ПОДАЧИ МАТЕРИАЛА, СОДЕРЖАЩЕЕ УСТРОЙСТВО ПОДАЧИ ПОРОШКА расположена у части подачи порошка и в (57) Реферат: которую поступает порошок, перемещенный Изобретение относится к устройству и частью подачи порошка. Сжимающая часть способу дозированной подачи порошка и сжимает перемещенный порошок в камере. устройству подачи материала. Устройство Часть дозированной подачи отделяет нужное дозированной подачи порошка содержит ...

Resin composition and method for producing the same

알칼리 금속염(A) 및 붕소 화합물(B)로 이루어진 그룹으로부터 선택된 하나 이상의 첨가제를 함유하며, 또한 탄산 가스를 함유하는 수용액에 에틸렌-비닐 알콜 공중합체 수지를 접촉시킨 다음, 에틸렌-비닐 알콜 공중합체 이외의 열가소성 수지(G)와 용융 혼련하는 것에 의해 카복실산기의 함유량이 적은 수지 조성물을 수득한다. 이에 따라, 냄새의 발생이 적은 식품 포장 용도 등에 적합한 EVOH와 EVOH 이외의 열가소성 수지로 이루어진 수지 조성물을 제공하며, 주변 환경에 아세트산 등의 카복실산을 배출하는 경우가 없는, 환경이 배려된 당해 수지 조성물의 제조방법을 제공할 수 있다. An ethylene-vinyl alcohol copolymer resin is contacted with an aqueous solution containing at least one additive selected from the group consisting of alkali metal salts (A) and boron compounds (B), and also containing carbonic acid gas, and then other than ethylene-vinyl alcohol copolymers. By melt-kneading with thermoplastic resin (G), a resin composition having a small content of carboxylic acid groups is obtained. Thereby, the resin composition which consists of EVOH and thermoplastic resins other than EVOH suitable for the food packaging use etc. which generate | occur | produces a low odor is provided, and the environment of the said resin composition in consideration of the environment which does not discharge | release carboxylic acid, such as acetic acid, to surrounding environment is provided. It can provide a manufacturing method. 수지 조성물, 에틸렌-비닐 알콜 공중합체, 열가소성 수지, 알칼리 금속염 및 카복실산기. Resin compositions, ethylene-vinyl alcohol copolymers, thermoplastic resins, alkali metal salts and carboxylic acid groups.

用于制造热塑性产品和组合物的系统和方法

可用于道路标记的热塑性组合物可使用可降低成本并提高产品质量的连续系统和过程方法生产。系统可以包含有包含多个进料器的进料系统(100)和包含混合器(440)和平整系统(401)的混合系统(400)。每个进料器可以配置为以根据选择的产品配方的进料速率排出材料(101)。混合系统(400)可以配置为接收、加热和合并材料(101)以产生热塑性材料，并且以确定的排出速率排出热塑性材料。

Patent RU2017121187A3

ВУ” 2017121187” АЗ Дата публикации: 04.02.2019 Форма № 18 ИЗИМ-2011 Федеральная служба по интеллектуальной собственности Федеральное государственное бюджетное учреждение 5 «Федеральный институт промышленной собственности» (ФИПС) ОТЧЕТ О ПОИСКЕ 1. . ИДЕНТИФИКАЦИЯ ЗАЯВКИ Регистрационный номер Дата подачи 2017121187/04(036577) 03.12.2015 РСТ/ЕР2015/078473 03.12.2015 Приоритет установлен по дате: [ ] подачи заявки [ ] поступления дополнительных материалов от к ранее поданной заявке № [ ] приоритета по первоначальной заявке № из которой данная заявка выделена [ ] подачи первоначальной заявки № из которой данная заявка выделена [ ] подачи ранее поданной заявки № [Х] подачи первой(ых) заявки(ок) в государстве-участнике Парижской конвенции (31) Номер первой(ых) заявки(ок) (32) Дата подачи первой(ых) заявки(ок) (33) Код страны 1. 14196371.0 04.12.2014 ЕР Название изобретения (полезной модели): [Х] - как заявлено; [ ] - уточненное (см. Примечания) СПОСОБ ПОЛУЧЕНИЯ ПОЛИОЛЕФИНОВОЙ КОМПОЗИЦИИ Заявитель: БАЗЕЛЛ ПОЛИОЛЕФИН ГМБХ, РЕ 2. ЕДИНСТВО ИЗОБРЕТЕНИЯ [Х] соблюдено [ ] не соблюдено. Пояснения: см. Примечания 3. ФОРМУЛА ИЗОБРЕТЕНИЯ: [Х] приняты во внимание все пункты (см. п см. Примечания [ ] приняты во внимание следующие пункты: р [ ] принята во внимание измененная формула изобретения (см. Примечания) 4. КЛАССИФИКАЦИЯ ОБЪЕКТА ИЗОБРЕТЕНИЯ (ПОЛЕЗНОЙ МОДЕЛИ) (Указываются индексы МПК и индикатор текущей версии) В29В 7/60 (2006.01) В29В 7/72 (2006.01) В29В 9/00 (2006.01) 5. ОБЛАСТЬ ПОИСКА 5.1 Проверенный минимум документации РСТ (указывается индексами МПК) В29В 7/60, В29В 7/72, В29В 9/00 5.2 Другая проверенная документация в той мере, в какой она включена в поисковые подборки: 5.3 Электронные базы данных, использованные при поиске (название базы, и если, возможно, поисковые термины): РЕРАТЗпеё, Ебрасепеё, Соофе, Рабеагсв, КОРТО, ОРТО, Уапдех 6. ДОКУМЕНТЫ, ОТНОСЯЩИЕСЯ К ПРЕДМЕТУ ПОИСКА Кате- Наименование документа с указанием (где необходимо) частей, Относится к гория* относящихся ...

Dynamically vulcanised thermoplastic elastomer film

FIELD: chemistry. SUBSTANCE: invention relates to thermoplastic elastomer compositions. Method of obtaining thermoplastic elastomer composition for water-impermeable layer includes introduction of supercritical flowing medium into thermoplastic elastomer material with mixing elastomer and thermoplastic resin in extruder. Mixing is carried out under conditions of dynamic vulcanisation, with solution forming non-continuous phase of particles in continuous resin phase. Supercritical flowing medium is obtained by gas compression. Pressure in extruder is supported above supercritical gas pressure. Material can be directly formed with obtaining film or plates by means of rolls, located near extruder output hole. EFFECT: method makes it possible to preserve balance between impermeable properties and fatigue resource at low temperatures. 17 cl, 6 dwg, 4 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК C08J 5/18 C08L 23/20 C08L 23/28 B60C 1/00 B60C 5/14 (13) 2 571 737 C2 (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2013140792/05, 06.12.2011 (24) Дата начала отсчета срока действия патента: 06.12.2011 Приоритет(ы): (30) Конвенционный приоритет: (43) Дата публикации заявки: 10.03.2015 Бюл. № 7 (45) Опубликовано: 20.12.2015 Бюл. № 35 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 04.09.2013 2 5 7 1 7 3 7 (56) Список документов, цитированных в отчете о поиске:US 5910544 A,08.06.1999. JP 2010-125703 A,21.10.2010. WO 2008/060302 A1,22.05.2008. EP 0857761 A1,12.08.1998. RU2301816 C2,27.06.2007. RU 2146728 C1,20.03.2000. RU 94004992 A1,27.09.1995. (73) Патентообладатель(и): ЭКСОНМОБИЛ КЕМИКЭЛ ПЕЙТЕНТС ИНК. (US) R U 11.03.2011 US 13/046,177 (72) Автор(ы): ЧЭН Цзянья Цз. (US), БХАДАНЕ Прашант А. (CA), ФАВИС Базил Д. (CA), КУМОР Деннис (US), ЭЛЛУЛ Мария Д. (US), МАНДЕРС Питер У. (US), ШАННОН Портер С. (US), РАУКХАУТ Дирк Ф. (BE) US 2011/063546 (06.12.2011) C 2 C 2 ...

Method of Producing Pelletized Polyolefin

본 발명은 폴리올레핀과 임의로 1종 이상의 첨가제의 혼합물을 제조하고; 용융물 형태의 상기 혼합물을 다이 내의 오르피스들을 통해 압출시키고; 상기 오르피스들을 통해 압출된 혼합물을 펠릿화하여 입도 분포 D(v, 0.5)가 0.1 내지 1 ㎜이고 D(v, 0.5)에 대한 D(v, 0.9)-D(v, 0.1)의 비가 1 이하인 마이크로펠릿을 형성하고; 상기 마이크로펠릿을 잔류 수분 함량이 1 중량% 이하가 되도록 건조시키고; 원한다면 상기 마이크로펠릿을 포장하는(packaging) 것을 포함하는, 회전 성형 마이크로펠릿 조성물의 제조 방법에 관한 것이다. The present invention prepares a mixture of polyolefin and optionally one or more additives; Extruding the mixture in melt form through orifices in a die; The mixture extruded through the orifices was pelleted so that the particle size distribution D (v, 0.5) was 0.1 to 1 mm and the ratio of D (v, 0.9) -D (v, 0.1) to D (v, 0.5) was 1 Forming micropellets that are less than or equal to; Drying the micropellets to a residual moisture content of 1% by weight or less; If desired, the method relates to the preparation of a rotomolded micropellet composition comprising packaging the micropellets. 펠릿화 폴리올레핀, 핀홀 밀도, 회전 성형, 마이크로펠릿 Pelletized Polyolefin, Pinhole Density, Rotational Molding, Micropellets

Method for production of water and solvent free polymers

FIELD: chemistry. SUBSTANCE: invention relates to removal of volatile compounds from concentrated fluid. Method for removing volatile compounds from concentrated fluid containing 10 to 80 wt.% of at least one halogenated butyl rubber and 20 to 90 wt.% of at least one volatile compound, wherein sum said components amounts 90 to 100 % of total weight of concentrated fluid, which contains at least one step of feeding concentrated fluid into drying installation. At that, said drying installation has first drying section in direction of flow, and main extruder section, which comprises section for degassing of extruder, consisting of conveying section and vent hole with one or more evaporation pipelines, storage section, and outlet section. Volatile compounds therein are removed through vent holes and evaporation pipelines. At that, first drying section represents either mixer-kneading machine, or first extruder, and section of main extruder represents main extruder. Or drying section and main extruder section together are part of main extruder. Drying section therein is located upstream to section of main extruder, and has smaller cross-section than section of main extruder, and product obtained in outlet section of main extruder is generally free of volatile compounds. EFFECT: reduced power consumption and higher environmental friendliness in removal of volatile compounds from concentrated fluid. 9 cl, 10 dwg, 13 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 596 235 C2 (51) МПК B29C 47/50 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2012144961/05, 23.03.2011 (24) Дата начала отсчета срока действия патента: 23.03.2011 Приоритет(ы): (30) Конвенционный приоритет: (43) Дата публикации заявки: 27.04.2014 Бюл. № 12 (56) Список документов, цитированных в отчете о поиске: EP 1550536 А1, 06.07.2005. RU 2021136 C1, 15.10.1994. RU 2075487 C1, 20.03.1997. US 3963558 A, 15.06.1976. EP 0262594 A2, 06.04.1988. US ...

用于在挤出设备中执行物料转换的方法

本发明涉及一种在挤出设备(10)中执行物料转换的方法，该挤出设备具有至少两个用于给挤出机(30)供给装料(E)的供料装置(20)，具有以下步骤：识别用于在挤出设备(10)中的物料转换的转换要求；针对在至少一个供料装置(20)的物料转换后的时刻预先确定生产稳定性；将预先确定的生产稳定性与稳定性限值相比较；根据比较结果针对至少一个供料装置(20)执行该物料转换。

목질 합성분 및 그의 제조방법과 제조장치, 전기목질 합성분을 사용한 목질 합성판및 그의 압출 성형방법과 성형장치

본 발명의 목질합성분은 수분 함유량을 15중량%이내로 해서 평균 입경20메쉬이하의 셀룰로우스계 파쇄물 20내지 75중량%에 대해 열가소성 수지성형재 25내지 80중량%를 혼합, 겔화혼련하고, 냉각분쇄 해서 입경 10mm이내로 정립해서 이루어지는 것으로 구성된다. 본 발명의 목질합성분의 제조방법은 수분 함유량을 15중량%이내로 하고, 평균 입경20메쉬이하의 셀룰로우스계 파쇄물 20내지 75중량%에 대해 열가소성 수지성형재 25내지 80중량%를 동시에 각반충격 브레이드에 의해 혼합해서, 마찰열에 의해 겔화혼련하고, 냉각하고, 분쇄해서 입경 10mm이내로 정립하는 공정을 적어도 포함하는 것으로 구성된다. 또한 본 발명의 목질 합성분의 제조장치는 수분 함유량을 15중량%이내로 해서 평균 입경 20메쉬이하의 셀룰로우스계 파쇄물 20내지 75 중량%에 대해 열가소성 수지성형재 25내지 80중량%를 동시에 혼합해서, 마찰열에 의해 겔화혼련하는 각반충격 브레이드를 구비한 유동혼합혼련수단과, 상기 겔화한 혼련재료를 냉각조립하는 내부에 브레이드를 가지고, 재킷에 냉각수의 입구 및 출구를 구비한 냉각조립수단과, 상기 냉각조립한 조립목분을 입경 10mm이내로 정립하는 정립수단으로 구성된다.

用於冬季輪胎之含微凝膠的胎面混合物

本發明涉及可硫化的橡膠混合物，該橡膠混合物包含至少以下組分：I.)100重量份的一不含油的橡膠基質，該基質由以下各項組成a)15重量份至79重量份、較佳的是20重量份至70重量份的至少一種溶液SBR(S-SBR)(不含油)，具有的玻璃轉化溫度(Tg (S-SBR) )係在-70℃與-10℃之間，b)20重量份至75重量份、較佳的是25重量份至70重量份的至少一種1,4-順-聚丁二烯(BR)(不含油)，具有的玻璃轉化溫度(Tg (BR) )係在-95℃與-115℃之間，c)1重量份至37.5重量份、較佳的是5重量份至35重量份的天然橡膠(NR)(不含油)和/或至少一種合成聚異戊二烯(IR)，具有的玻璃轉化溫度(Tg (NR) )係在-50℃與-75℃之間，基於該不含油的天然橡膠(NR)或該不含油的合成聚異戊二烯(IR)，II.)至少一種基於聚丁二烯的含羥基的微凝膠，III.)至少一種含羥基的氧化填充劑，IV.)至少一種含多硫化物的烷氧基矽烷，V.)至少一種硫化劑，VI.)任選地至少一種橡膠添加劑。

Содержащая микрогель протекторная смесь для зимних шин

Изобретение относится к вулканизующимся резиновым смесям и их вулканизатам, применяемым для производства протекторов нешипованных зимних шин. Вулканизующася резиновая смесь включает по меньшей мере следующие компоненты: 100 масс. ч. не содержащей масла каучуковой матрицы, которая содержит а) от 15 до 79 масс. ч. растворного бутадиенстирольного каучука L-SBR, не содержащего масла с температурой стеклования Tg (L-SBR) в интервале от -70 до -10°С, b) от 20 до 75 масс. ч. 1,4-цис-полибутадиена BR, не содержащего масла с температурой стеклования Tg (BR) в интервале от -95 до -115°С, с) от 1 до 37,5 масс. ч. натурального каучука NR, не содержащего масла и/или синтетического полиизопрена IR с температурой стеклования Tg (NR) в интервале от -50 до -75°С; содержащий гидроксильные группы микрогель на основе полибутадиена; содержащий гидроксильные группы оксидный наполнитель; содержащий полисульфид алкоксисилан; вулканизующий агент. Изобретение позволяет повысить стойкость к реверсии при вулканизации резиновой смеси, получать резиновую смесь с оптимальным сцеплением с покрытой льдом и снегом дорогой, а также с низким сопротвлением качению и высоким сопротивлением истиранию. 8 н. и 19 з.п. ф-лы, 1 ил., 55 табл. РОССИЙСКАЯ ФЕДЕРАЦИЯ ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) (19) RU (11) (13) 2 637 906 C2 (51) МПК C08L 9/06 (2006.01) C08L 9/00 (2006.01) C08L 7/00 (2006.01) C08K 3/36 (2006.01) C08K 5/548 (2006.01) B60C 1/00 (2006.01) C08J 3/20 (2006.01) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2014136533, 11.02.2013 (24) Дата начала отсчета срока действия патента: 11.02.2013 (72) Автор(ы): ОБРЕХТ Вернер (DE), ШТЕГЕР Лотар (DE) (73) Патентообладатель(и): АРЛАНКСЕО ДОЙЧЛАНД ГМБХ (DE) Дата регистрации: (56) Список документов, цитированных в отчете о поиске: US 2010/0197829 A1, 05.08.2010. EP Приоритет(ы): (30) Конвенционный приоритет: 10.02.2012 EP 12154896.0 (45) Опубликовано: 07.12.2017 Бюл. № 34 (85) Дата начала рассмотрения заявки PCT на национальной фазе: ...

Process for high shear gas-liquid reactions

A process for performing a chemical reaction between a plurality of chemical reactants in the presence of a catalyst, with at least a first reactant in a liquid phase and at least a second reactant in a gas phase, the first and second reactants mixing at least by interdiffusion. The process comprises supplying the reactants to a passage defined by a first surface and a second surface and optionally moving at least one of the first surface and second surface relative to each other. The reactants their mixture or reaction products form respective boundary layers against the first and second surfaces and the radial spacing between the first surface and second surface is equal to or less than the back-to-back radial thicknesses of the boundary layers.

製造無水和溶劑之聚合物的方法

Полимерная композиция для выдувного формования

1. Полиэтиленовая композиция, содержащая от 45 до 55 мас. % полимера этилена (А), обладающего плотностью, равной не менее 968 кг/м, и от 55 до 45 мас. % полимера этилена (В), обладающего плотностью, равной от 920 до 955 кг/м, где композиция обладает плотностью, равной от 952 до 961 кг/м, индексом расплава при повышенном напряжении сдвига HLMI, равным 18-28 г/10 мин, отношением HLMI/MI, равным 80-150, и модулем упругости расплава G′(G′′=3000), равным 1200-1600 Па, где HLMI и MIизмеряют в соответствии со стандартом IS0 1133 при температуре, равной 190°С, при нагрузках, равных 21,6 кг и 2,16 кг соответственно.2. Полиэтиленовая композиция по п. 1, которая обладает значением HLMI, равным от 18 до 26.3. Полиэтиленовая композиция по п. 2, которая обладает значением HLMI, равным от 19 до 25.4. Полиэтиленовая композиция по любому предыдущему пункту, в которой отношение HLMI/MIравно 85-140.5. Полиэтиленовая композиция по п. 4, в которой отношение HLMI/MIравно 85-130.6. Полиэтиленовая композиция по пп. 1-3 или 5, в которой индекс текучести расплава MI2 равен от 0,1 г/10 мин до 0,5 г/10 мин, предпочтительно от 0,15 г/10 мин до 0,45 г/10 мин.7. Полиэтиленовая композиция по п. 6, в которой индекс текучести расплава MIравен от 0,2 г/10 мин до 0,3 г/10 мин.8. Полиэтиленовая композиция по пп. 1-3, 5 или 7, которая обладает модулем упругости расплава G′(G′′=3000), равным от 1250 до 1550 Па.9. Полиэтиленовая композиция по п. 6, в которой модуль упругости расплава G′(G′′=3000) равен от 1300 до 1500 Па.10. Полиэтиленовая композиция по пп. 1-3, 5, 7 или 9, которая обладает плотностью, равной от 954 до 960 кг/ми наиболее предпочтительно от 955 до 959 кг/м.11. Полиэтиленовая композиция по пп. 1-3, 5, 7 или 9, которая характеризуется зависимостью отношения разбухания экструдируемого потока (DSR) от скорости сдвига (SR), удовлетворяющей соотношению DSR≥C.(SR), где С=0,94 и n=0,094, при измерении с помощью капиллярного реометра с использованием мундштука с отношением длина/диаметр (Дл/Др)=30/ ...

Fluororubber composition and method for producing the same

吹塑用聚合物组合物

公开了一种聚乙烯组合物，其包含45‑55重量％的密度为至少968kg/m 3 的乙烯聚合物(A)，和55‑45重量％的密度为920‑955kg/m 3 的乙烯聚合物(B)，其中所述组合物密度为952‑961kg/m 3 、高负荷熔体指数HLMI为18‑28g/10min，HLMI/MI 2 比为80‑150，和熔体弹性模量G’(G”＝3000)为1200‑1600Pa，其中HLMI和MI 2 根据ISO1133分别在21.6kg和2.16kg负荷下于190℃温度测量。

吹塑用聚合物组合物

公开了一种聚乙烯组合物，其包含45-55重量％的密度为至少968kg/m 3 的乙烯聚合物(A)，和55-45重量％的密度为920-955kg/m 3 的乙烯聚合物(B)，其中所述组合物密度为952-961kg/m 3 、高负荷熔体指数HLMI为18-28g/10min，HLMI/MI 2 比为80-150，和熔体弹性模量G’(G”＝3000)为1200-1600Pa，其中HLMI和MI 2 根据ISO1133分别在21.6kg和2.16kg负荷下于190℃温度测量。

低微凝胶的表面保护膜

提供精制聚合物树脂材料的方法。该方法包括熔融树脂材料，并将其置于范围为250kPa至400kPa的剪切应力下，形成精制过的树脂材料。可挤出，固化精制过的树脂材料，并切割成微凝胶减少的树脂粒料，随后可熔融并挤出，形成减少微凝胶的膜。

Mixing Machine For Components

An extrusion conveying apparatus, including an extruder that operates as a mixing device and is laterally supplied with components that are to be mixed, in particular components of a rubber mixture or thermoplastic elastomer. A volumetrically operating conveyor, in particular a gear pump, is connected to the output side of the extruder. A rotational speed or feed rate of the extruder is adjustable independently of the feed rate and volume flow of the conveyor. n−1 volumetric subsidiary conveyors are provided for passage of components therethrough where there are n components of a mixture. In particular component n is supplied in an undosed manner. A rotational speed or feed rate of the subsidiary conveyors is adjustable independently of the feed rate of the volumetrically operating conveyor.

Systeme de regulation de la fluidite a l'etat fondu en ligne en continu.

一种聚邻苯二甲酰胺增强材料及其制备方法

本发明公开了一种聚邻苯二甲酰胺增强材料及其制备方法，该聚邻苯二甲酰胺增强材料包括如下质量百分比的配方组分：聚邻苯二甲酰胺48～58％、改性红磷6～15％、填充增强剂35～45％、添加剂1～2％。本发明聚邻苯二甲酰胺增强材料以聚邻苯二甲酰胺为基础组分，并与改性红磷、填充增强剂、添加剂等组分在挤出过程中互相作用，使得聚邻苯二甲酰胺增强材料具有优良的阻燃性能和拉伸强度、抗冲击性能的机械性能，同时，生产成本低。该聚邻苯二甲酰胺增强材料制备方法只需按配方将各组分进行混合并分段式进料挤出即可得到产品，其制备方法工艺简单，成本低，适于工业化生产。

Method of obtaining polyolefin composition

FIELD: chemical industry.SUBSTANCE: invention relates to a method for the continuous production of a polyolefin composition. Method of continuously producing a polyolefin composition in the extruder comprising: polyolefin and a carbon black, comprises the following steps. Submission to the mixing device of polyolefin in the form of polyolefin powder and carbon black. Measuring the flow rate of polyolefin powder fed to a mixing device, or measuring the flow rate of polyolefin granules obtained in an extruder. Correction of the flow of carbon black into the mixing device in response to the measured flow rate of polyolefin powder or the adjustment of the flow of polyolefin powder into the mixing device in response to the measured flow rate of polyolefin granules. Melting and homogenizing the mixture in an extruder. Granulation of the molten polyolefin composition.EFFECT: invention allows to achieve a uniform distribution of additives in polyolefin compositions, provides high accuracy of dosing and results in polyolefin compositions, where there are no or only minor deterioration of the properties of the polymer due to the addition of carbon black.15 cl, 1 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 678 264 C2 (51) МПК B29B 7/60 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК B29B 7/60 (2018.08); B29B 9/065 (2018.08); B29C 2947/92104 (2018.08); B29C 2947/92028 (2018.08) (21)(22) Заявка: 2017121182, 03.12.2015 (24) Дата начала отсчета срока действия патента: Дата регистрации: 24.01.2019 (73) Патентообладатель(и): БАЗЕЛЛ ПОЛИОЛЕФИН ГМБХ (DE) (56) Список документов, цитированных в отчете о поиске: US 4448736 A1, 15.05.1984. EP 04.12.2014 EP 14196371,0 (43) Дата публикации заявки: 10.01.2019 Бюл. № 1 (45) Опубликовано: 24.01.2019 Бюл. № 3 (86) Заявка PCT: C 2 C 2 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 04.07.2017 2030757 A1, 04.03.2009. SU 1785908 A1, 07.01.1993. RU 2235742 C2, 10.09.2004. ...

Cellulose reinforced oriented thermoplastic composites

Matte film and method of manufacture therefore

A film structure having a matte film surface and method of manufacture thereof. The preferred embodiment of the present invention contemplates a blend of polyethylene homopolymer or copolymer resins, coupled with one or more platelet shaped (non-spherical) inorganic or organic fillers. The matte polyethylene film surface as prepared from these polymer/filler blends exhibits a low gloss matte surface for wide utility in laminated and non-laminated, food and non-food, packaging and non-packaging applications. A unique and heretofore uncontemplated technique of manufacture exploiting the phenomenon of “die swell” as enumerated herein is utilized during production to facilitate the reorientation of the fillers during the extrusion process to produce the matte surface effect.

Process for preparing polyolefin pellets of a polyolefin composition

Method of producing a polyolefin composition

Process for preparing a polyolefin composition

A process for continuously preparing a polyolefin composition comprising polyolefin and carbon black in an extruder device, the process comprising supplying polyolefin in form of a polyolefin powder and carbon black to a mixing device; measuring the flow rate of the polyolefin powder supplied to the mixing device or measuring the flow rate of the polyolefin pellets prepared in the extruder device; adjusting the flow rate of the carbon black to the mixing device in response to the measured flow rate of the polyolefin powder or adjusting the flow rate of the polyolefin powder to the mixing device in response to the measured flow rate of the polyolefin pellets; melting and homogenizing the mixture within the extruder device; and pelletizing the polyolefin composition.

Process for preparing a polyolefin composition

본 발명은 적어도 하나의 호퍼를 구비한 압출 장치에서 이중모드 또는 다중모드 폴리올레핀 및 하나 이상의 첨가제를 포함하는 폴리올레핀 조성물을 연속적으로 제조하는 방법으로서, 상기 방법이 상기 호퍼로 폴리올레핀 분말 형태의 이중모드 또는 다중모드 폴리올레핀을 공급하는 단계; 상기 폴리올레핀 분말의 유속을 측정하거나 또는 상기 제조되는 폴리올레핀 펠렛의 유속을 측정하는 단계; 동일한 호퍼로 하나 이상의 첨가제를 공급하는 단계; 상기 호퍼로 공급되는 하나 이상의 첨가제의 유속을 상기 폴리올레핀 분말의 측정된 유속에 따라서 조정하거나, 또는 상기 폴리올레핀 분말의 유속을 상기 폴리올레핀 펠렛의 측정된 유속에 따라서 조정하는 단계; 상기 압출 장치 내 폴리올레핀 분말 및 첨가제를 용융 및 균질화하는 단계; 및 상기 용융된 폴리올레핀 조성물을 펠렛화하는 단계를 포함하는 방법에 관한 것이다. A method for continuously producing a polyolefin composition comprising a dual mode or multimode polyolefin and at least one additive in an extrusion apparatus having at least one hopper, the method comprising the steps of: Mode polyolefin; Measuring the flow rate of the polyolefin powder or measuring the flow rate of the polyolefin pellet produced; Feeding at least one additive to the same hopper; Adjusting the flow rate of the at least one additive supplied to the hopper according to the measured flow rate of the polyolefin powder or adjusting the flow rate of the polyolefin powder according to the measured flow rate of the polyolefin pellet; Melting and homogenizing the polyolefin powder and additives in the extrusion apparatus; And pelletizing the molten polyolefin composition.

用于制备聚烯烃组合物的方法

一种在挤出机装置中连续地制备包含聚烯烃和炭黑的聚烯烃组合物的方法，该方法包括将聚烯烃粉末形式的聚烯烃和炭黑供应到混合装置中；测量供应到混合装置中的聚烯烃粉末的流速或测量在挤出机装置中制备的聚烯烃颗粒的流速；响应于所测量的聚烯烃粉末的流速，调节炭黑到混合装置中的流速，或者响应于所测量的聚烯烃颗粒的流速，调节聚烯烃粉末到混合装置中的流速；使挤出机装置内混合物熔化并均匀化；并将聚烯烃组合物造粒。

Process for Preparing a Polyolefin Composition

A process for continuously preparing a polyolefin composition comprising a bimodal or multimodal polyolefin and one or more additives in an extruder device equipped with at least one hopper, the process comprising supplying a bimodal or multimodal polyolefin in form of a polyolefin powder to the hopper; measuring the flow rate of the polyolefin powder or measuring the flow rate of the prepared polyolefin pellets; supplying one or more additives to the same hopper; adjusting the flow rates of the one or more additives supplied to the hopper in response to the measured flow rate of the polyolefin powder or adjusting the flow rate of the polyolefin powder in response to the measured flow rate of the polyolefin pellets; melting and homogenizing the polyolefin powder and additives within the extruder device; and pelletizing the molten polyolefin composition. Figure 1

Method of producing pelletized polyolefin

The invention provides a method of producing a rotational moulding micropellet composition, said method comprising: producing a mixture of a polyolefin and optionally at least one additive; extruding said mixture in melt form through orifices in a die; pelletizing the mixture extruded through said orifices to form micropellets having a particle size distribution D(v, 0.5) of 0.1 to 1 mm, and a value of the ratio of D(v, 0.9)-D(v, 0.1) to D(v, 0.5) of no more than 1; drying said micropellets to a residual water content of no more than 1 % wt; and if desired packaging said micropellets.

Process for purging an extrusion apparatus.

The present invention relates to an improved process of purging an extrusion apparatus. The purging process is improved by adjusting the type of polymer material used to purge the extrusion apparatus and by adjusting the purging flow rate.