PROCEDURE FOR THE PRODUCTION OF CONNECTING PROFILES

CIGARETTE FILTER AND PROCEDURE FOR THEIR PRODUCTION

HEAT EXCHANGER PIPE

PROCEDURE AND BLOWING NOZZLE FOR REMOVING THE SPLINTERS FROM ALVEOLARPLATTEN

PROCEDURE FOR THE PRODUCTION A ZELLULAREN OF A STRUCTURE ON PLASTIC BASIS AND PROCEDURE FOR THE CONVERSION OF THIS PROCEDURE

PROCEDURE FOR THE PRODUCTION OF A EINODER MULTILEVEL ONE EXPAND-CASH FOIL

EXTRUSION PRESS FOR THE PRODUCTION OF HOLLOW SECTIONS

RELINING OF PIPELINES AND CHANNELS.

POROUS PIPE FOR TRANSPORT AND THE DISTRIBUTION OF LIQUIDS, IN PARTICULAR FOR THE DRIPPING IRRIGATION.

COMPOSITIONS, PERMEABLE IRRIGATION PIPE AND PROCEDURE.

RADIALLY EXPAND-CASH POLYTETRAFLUORETHYLENE AND OUT OF IT FIGURATION EXPAND-CASH ENDOVASKULÄRE STENTS

INJECTION MOULDING OF MICRO-CELLULAR MATERIAL

EXTRUDED ARTICLE WITH DECORATIVE IMPROVEMENT AND PROCEDURE.

THERMALDUCTILE POLYPROPYLENE FOAM PLATE

Low compression-force TPE weatherseals

A weatherseal has a stiffener and a foam profile. A first portion of the foam profile is connected to the stiffener. A second portion of the foam profile is joined to the first portion at a hinge. The first and second foam profile portions have inner surfaces facing substantially towards each other and outer surfaces facing substantially away from each other. The foam profile defines at least one continuous elongate lumen. A portion of the foam profile has a resin coating.

CONTAINER BOTTOM CUTTING APPARATUS AND METHOD

AIR-PERMEABLE WATERPROOF PRODUCTS HAVING FABRIC-LIKE AESTHETIC PROPERTIES AND METHODS FOR MAKING THE SAME

METHOD AND APPARATUS FOR MANUFACTURING FOAM PLASTIC CONTAINERS BY USE OF A TUBULAR FORMING MANDREL

METHOD OF INJECTION MOLDING OF MICROCELLULAR MATERIAL AND SYSTEM THEREFOR

METHOD AND APPARATUS FOR PRODUCING FINISHED FOAM PLASTIC CONTAINERS

APPARATUS AND METHOD FOR EXTRUSION OF THIN-WALLED TUBES

The present invention provides an apparatus and method for manufacturing polymeric thin-walled tubular members, which are well-suited for use as vascular grafts. The apparatus of the present invention enables extrusion of a tubular member having an extremely thin wall thickness so as to facilitate passage through tortuous vascular passageways. The apparatus achieves uniform wall thickness in a tubular member by establishing and maintaining axial alignment of a ram (30) having a concentrically disposed guide rod (26) therein with a die (42) supported in concentric relation to the guide rod.

LONG ORNAMENT MEMBER AND METHOD FOR MANUFACTURING THE SAME

A long ornament member W1 has an attaching portion 1 and an ornamental portion 3 constituted by vulcanized rubber integrally formed on a surface of the attaching portion 1. The ornamental portion 3 has a surface roughened by plural microcapsules thermally expanded therein, plural concave portions 6a outwardly opened in the microcapsules 6 that burst on or in the vicinity of the ornamental portion 3, and plural projection portions 6b constituted by outwardly swelling the microcapsules 6 expanded in the vicinity of the surface. At least one of plural convex ridges and plural concave grooves are formed on the surface of the ornamental portion 3, the convex ridges extending along at least one of a longitudinal direction and a lateral direction that crosses the longitudinal direction, the concave grooves extending along at least one of the longitudinal direction and the lateral direction.

HYDRAULICALLY SETTABLE CONTAINERS

Containers incorporating a hydraulically settable structural matrix including a hydraulically settable binder such as cement for use in the storing, dispensing, and/or packaging of food and beverage products are disclosed. The disposable and nondisposable food and beverage articles of manufacture have high tensile, compressive, and flexural strengths, and are lightweight, insulative (if desired), inexpensive, and more environmentally compatible than those currently used. These disposable containers and cups are particularly useful for dispensing hot and cold food and beverages in the fast food restaurant environment. The structural matrix of the food and beverage containers includes a hydraulic cement paste (formed from the reaction of water with, e.g., a portland-type cement) preferably in combination with a rheology-modifying plasticizer, such as methylhydroxyethylcellulose, various aggregate materials, and fibrous materials, which provide desired properties at a cost which is economical ...

FIBER SPINNING PROCESS AND PRODUCT THEREOF

METHOD OF FORMING ORNAMENTED PLASTICS ARTICLES

The present invention relates to a method of forming ornamented plastics articles and to articles formed by the method and relates especially but not exclusively to manufacture of items of furniture, building components and picture frame members. The method comprises firstly extruding a plastics article then re-moulding it in a hot stamp press. This enables highly complex forms of article to be manufactured with large dimensions and at much lower cost than is currently possible.

FUELLUNG FOR ZIGARETTENFILTERSTAEBCHEN AND PROCEEDING TO THEIR PRODUCTION.

СПОСОБ ИЗГОТОВЛЕНИЯ ТЕПЛОИЗОЛИРОВАННЫХ БУМАЖНЫХ КОНТЕЙНЕРОВ И ИЗДЕЛИЙ

Настоящее изобретение обеспечивает способ изготовления теплоизолированных бумажных контейнеров и изделий, изготавливаемых согласно данному способу. Данный способ включает следующие этапы: а) смешивание полиэтилентерефталата или полипропилена с клеем для образования полимерного материала; b) нагревание и экструдирование полимерного материала с помощью экструзионной машины с образованием пленки, и покрытие пленкой поверхности бумаги; с) охлаждение и ламинирование бумаги с помощью валика; d) непрерывное покрытие пеноматериалом другой поверхности бумаги и сворачивание бумаги после ее сушки, разрезание этой бумаги на заготовки и формование с образованием бумажного контейнера; е) нагревание пеноматериала с помощью нагревательного прибора. Данный способ согласно настоящему изобретению улучшает однородность пеноматериала, повышает производительность и снижает процент брака.

ЛИНИЯ ДЛЯ ИЗГОТОВЛЕНИЯ ТЕПЛОИЗОЛИРОВАННОЙ ГИБКОЙ ТРУБЫ

Для получения гибкой и эластичной теплоизолированной трубы стабильного качества путем предотвращения преждевременной реакции вспенивания теплоизоляционного материала, обеспечения стабильности процесса вспенивания и его управляемости линия содержит последовательно расположенные разматывающее устройство подачи рабочей трубы, правильное устройство, направляющее устройство, высокоточную заливочную установку, экструзионную головку, экструдер и ванну охлаждения, причем линия снабжена двух- или многоканальной системой кондиционирования, расположенной в полости экструзионной головки и включающей позиционирующую направляющую для направления движения и исключения провисания рабочей трубы и два и более канальных узла с каналом подачи вспенивающегося теплоизолирующего материала, установленным в змеевик с циркулирующим в нем хладагентом, линия также снабжена вращающимся калибрующим устройством, расположенным в ванне охлаждения и обеспечивающим формование винтовой формы внешней защитной трубы-оболочки ...

СПОСОБ ИЗГОТОВЛЕНИЯ ТЕПЛОИЗОЛЯЦИОННЫХ БУМАЖНЫХ КОНТЕЙНЕРОВ

Изобретение раскрывает способ изготовления теплоизоляционных бумажных контейнеров и других аналогичных продуктов. Способ включает этапы: (а) смешивание полиэтилен терефталата или полипропилена с клеевым веществом и перемешивание их для образования полимерного материала; (б) нагревание и экструзия полимерного материала в экструдере для образования пленки и покрытие этой пленкой поверхности бумаги; (в) охлаждение бумаги и ламинирование его ламинирующим валом; (г) непрерывное покрытие остальной поверхности бумаги вспенивающим материалом; и последующее сворачивание бумаги после высыхания; и разрезание бумаги на заготовку - полуфабрикат и дальнейшее формирование из него бумажного контейнера; (д) нагревание вспенивающего материала нагревательным устройством. Способ по настоящему изобретению может повысить равномерность формирования пенопласта и скорость изготовления, а также снизить процент брака.

МНОГОСЛОЙНЫЙ СЕРАРАТОР АККУМУЛЯТОРНЫХ БАТАРЕЙ ИЗГОТОВЛЕННЫЙ МЕТОДОМ СОВМЕСТНОЙ ЭКСТРУЗИИ

Сепаратор аккумуляторных батарей содержит микропористую мембрану, изготовленную общей экструзией, которая имеет по меньшей мере два слоя, изготовленных из полимеров, которые способны к экструзии, и имеет равномерную толщину со среднеквадратичным отклонением <0,80 микрон (мкм) или адгезией между слоями, которая определяется сопротивлением отслаиванию, >60 граммов.

A method of manufacturing a porous pipe, porous pipe obtained by said process and the use of a in irrigation.

PROCEDES ET DISPOSITIFS POUR VERIFIER EN CONTINU L'ETANCHEITE DES TUBES EXTRUDES EN MATIERE PLASTIQUE

L'INVENTION A POUR OBJET DES PROCEDES ET DES DISPOSITIFS POUR VERIFIER EN CONTINU L'ETANCHEITE DES TUBES EXTRUDES EN MATIERE PLASTIQUE. UN DISPOSITIF SELON L'INVENTION EST ADAPTE SUR UNE MACHINE D'EXTRUSION DE TUBES 10 COMPORTANT UNE FILIERE 1 ET UNE CHAMBRE DE CONFORMATION 4 QUI EST MAINTENUE EN DEPRESSION PAR UNE POMPE A VIDE 8 ET UN CONDUIT 11 QUI DEBOUCHE AU CENTRE DE LA FILIERE ET QUI MAINTIENT LA PRESSION ATMOSPHERIQUE DANS LE TUBE 10. ON INJECTE DANS LE CONDUIT 11 UN GAZ DE TEST, PAR EXEMPLE DE L'HELIUM CONTENU DANS UNE BOUTEILLE 12 MUNIE D'UN DETENDEUR 13. UN CAPTEUR DE GAZ DE TEST 14 ANALYSE LES GAZ REJETES PAR LA POMPE A VIDE. UNE APPLICATION EST LA VERIFICATION EN CONTINU DES TUBES EXTRUDES DESTINES AU TRANSPORT DU GAZ DE VILLE.

COSMETIC APPLICATOR

LAMINATED PACKAGING MATERIAL AND METHOD OF MAKING SAME

FILLER PARTICLE IN THERMOPLASTIC, METHOD AND DEVICE FOR MANUFACTURING THE SAME

SLEEP OUT OF BASIC PLASTIC INCLUDING/UNDERSTANDING NODULES OF MATIEREPLASTIQUE BARRIER

PROCEDE POUR LA FABRICATION DE PRODUITS DE CAOUTCHOUC REGENERE, PRODUITS FABRIQUES DE CAOUTCHOUC REGENERE ET DISPOSITIF POUR LA MISE EN OEUVRE DUDIT PROCEDE

Selon l'invention, on mélange du caoutchouc sous forme de particules obtenues par moulage de pneumatiques usés avec une plus faible quantité d'un polymère thermoplastique ou élastomère tel que polyéthylène ou polypropylène, un agent fondant et/ou lubrifiant, de l'huile de vidange par exemple, et un agent vulcanisant et on introduit ce mélange dans une extrudeuse 30 qui alimente des moules refroidis 11 pour la production de poteaux par exemple ou qui débite le mélange plastifié à travers une filière sous forme d'un tuyau par exemple. L'invention est applicable notamment à la fabrication, principalement à partir de pneumatiques usés de voitures, de poteaux, tuyaux poreux, récipients tels que pot à fleurs et palettes de manutention.

CIGARETTE FILTER AND METHOD OF MANUFACTURING THE SAME

TUBES MICROPOROUS AND MANUFACTORING PROCESS OF SUCH TUBES

PROCESS AND APPARATUS OF PRODUCTION Of a THERMOPLASTIC RESIN MOULDING

Filter element, manufacturing method thereof, its application to a mouthpiece of vial, and a method of manufacturing a tip vial.

Filières pour la production de parois alvéolaires.

La filière selon l'invention comporte une ouverture de sortie du produit extrudé en forme de fente 1 définissant une frise de losange ou plus généralement de figures géométriques à contour fermé. Selon que l'on balaye cette frise avec une fenêtre 3 large ou 4 étroite, on obtient une paroi alvéolaire à cellules fermées ou à cellules qui communiquent entre elles dans le sens de l'extrusion.

GAINE TUBULAIRE RADIALEMENT THERMORETRACTABLE ET SON PROCEDE DE FABRICATION

Procédé de fabrication d'une gaine tubulaire radialement thermorétractable extrudée à partir d'un polymère synthétique à paroi de structure soit ductile soit cellulaire caractérisé en ce que la dilatation radiale en est provoquée sous le seul poids d'un colonne de liquide librement maintenue dans un bras de la gaine dont la paroi est ramollie par un réchauffement extérieur et qui est guidée lors de son avancement vers un organe d'appui situe dans un point surélevé, pour être refroidie des sa dilatation.

Plastic foam hollows as boxed item - packing material

Internal crosslinking of tubular extrusion blown polyethylene film - to make shrink wrap packaging film with a non-adhesive internal face

Method for producing free-flow interlocking foamed packing material

창문과 도어 시스템을 위한 일체형 단열 압출물과 압출 기술

... 일체형 단열재를 갖는 압출 플라스틱 프로파일, 이러한 제품을 압출하기 위한 방법 및 이러한 플라스틱 압출부로 제조된 창문과 도어에 관한 것이다. 플라스틱 압출부는 추가로 아크릴 캡을 갖는 저온 형성 캡스톡계와 실질적으로 IR 투과성인 안료계를 포함한다. 일체형 단열재를 갖는 압출 플라스틱 프로파일은 종래의 플라스틱 압출 처리를 이용하여 재사용 가능하며, 종래의 창문과 도어 제조에 완전히 결합될 수 있다.

COMPOSITIONS FOR HEAT-RECOVERABLE FOAM TUBING

Provided is a melt composition for a heat shrinkable foam structure that includes at least one base polymer and a blowing agent made from at least one heat-activated chemical compound encapsulated by a plurality of polymeric shells. The melt composition may also include a crosslinking promoter or other additives. Also provided is a method for making a heat- shrinkable polymer foam tubing. A melt composition containing at least one base polymer material having a melt temperature and a blowing agent having an activation temperature is provided. The melt composition is mixed at an elevated temperature. The melt composition is then extruded through a die at a high temperature. The extruded foam tube is then processed, often heat-processed. Additionally provided is a heat shrinkable foamed polymer tube containing an inner layer and an outer layer of an extruded foamed polymer tube, where each layer is made from at least one base polymer and a blowing agent and the blowing agent includes a heat-activated ...

POLYPROPYLENE RESIN HOLLOW MOLDED FOAM COMPACT AND PRODUCTION METHOD THEREOF

PURPOSE: A hollow foam compact and a production method thereof are provided to have the high forming rate and the fine appearance by using plural polypropylene resins having the certain melting tension and a melting flux. CONSTITUTION: A foam layer(21) is obtained by using at least two polypropylene resins and extruding the foaming melting resin composition containing a foaming agent from a die(3) of an extruder. A polypropylene resin has the melting tension over 98mN and the melting flux from 0.5g/10min. to 15g/10min. Another polypropylene resin has the melting tension under 30mN and the melting flux from 2g/10min. to 30g/10min. The other polypropylene resin has the melting tension from 30mN to 98mN and the melting flux from 2g/10min. to 15g/10min. A hollow foam compact is produced by locating and forming a cylindrical foam(2) having the foam layer. The melting tension of the polypropylene resin to form the foaming layer is from 10mN to 49mN at 230 deg.C, The external density of the foaming ...

CIGARETTE FILTERS AND METHOD OF MAKING SAME.

SYNTHETIC CLOSURE COMPONENT AND MANUFACTURING METHOD THEREOF

Se describen por tanto, un cierre sintético multicomponente y/o un producto intermedio en forma de barra que incorporan unos distintivos impresos que comprenden tinta que es invisible bajo unas condiciones de iluminación y/o temperatura normales y un proceso de fabricación en línea continuo. En la realización preferida de la presente exposición, el elemento central del cierre sintético y/o del producto intermedio en forma de barra se pueden formar mediante un proceso de extrusión continua que permite que el núcleo se fabrique como una extensión alargada y continua de material. Mientras avanza la extensión alargada y continua del material extrudido que forma el núcleo central desde el extrusor hacia una estación para formar la superficie exterior, el núcleo central pasa a través de una estación de impresión para formar cualesquiera distintivos deseados entre los cuales puede estar una marca de registro que puede ser invisible bajo unas condiciones de iluminación y/o temperatura normales ...

HIGH COMPRESSIVE STRENGTH EXTRUDED POLYMERIC FOAM

Prepare an extruded polymeric foam using a foamable polymer composition that contains a polymer composition with styrene-acrylonitrile copolymer, a blowing agent composition with only 1,1,1,2-tetrafluoroethane (74-78 weight-percent), carbon dioxide (13-16 weight-percent) and water (7-9 weight-percent) where the concentrations are relative to total blowing agent weight, and less than 0.5 weight-percent filler based on foamable polymer composition weight by using an extrusion foaming process with a foaming temperature of 120-125 degrees Celsius to produce a polymeric foam having a density of 29-37 kilograms per cubic meter and a vertical compressive strength in kilopascals having a magnitude exceeding 520 less than the product of the magnitude of the foam density in kilograms per cubic meter and 25.9.

Coating of rigid wood products with thermoplastic polymer

The present concerns a method for coating inflexible board type and predominantly wooden products (1) with a thermoplastic polymer. The method comprises extruding a molten thermoplastic polymer (T) from a die gap (2) for a molten coating film (4), which is conducted onto a product top surface of the coatable product across a line pressure point (13). The die gap lies at a distance (Q) from the line pressure point (13). The method further comprises allowing said molten coating film (4) to be in surface contact with a product top surface (5y), said surface contact being sustained by means of a surface compression generated by a static and/or dynamic pressure load (P) from a flowing medium (G) and directed towards the top surface (5y), and allowing said flowing medium to cool the coating film (4) of thermoplastic polymer from molten form to solid form while sustaining the surface compression generated by said static and/or dynamic pressure load (P).

Method and apparatus for producing rigid foam panels, especially polyurethane ones

The process and the appropriate apparatus for producing rigid foam elements, in particular of polyurethane, operate with a double-belt unit, in which the rigid foam elements produced are provided with upper and lower cover sheets. A parting agent is applied on the lower cover sheet in a particular region in order to permit subsequent removal of the upper cover sheet and the ridge foam in this region, so that the lower cover sheet projects, and foams an overlapping section during subsequent use as a roofing element or the like. The invention permits a very precise cut to be made by means of the sawing apparatus at the end of the double-belt unit, taking into account the application of parting agent at the beginning and, if necessary, the movement of the sawing apparatus itself. This is carried out in principle by a method in which the position at which the parting agent is applied, and the path covered after this application, are input into a computer, which initiates the specified transverse ...

PROCESS FOR PRODUCING FOAMED PLASTIC

Емкость

PROCEDURE AND DEVICE FOR THE EXTRUSION FROM PLASTIC MELTS TO HOLLOW-CHAMBER SECTIONS

PROCEDURE FOR THE PRODUCTION OF A FORMED HOLLOW BODY FROM POLYPROPYLENE FOAM

PROCEDURE FOR THE PRODUCTION OF CAPILLARY PRODUCTS

OBLONG ORNAMENT MEMBER AND MANUFACTURING PROCESS FOR IT

DEVICE FOR THE EXPENDITURE OF A MELTED RESIN

EXTRUSION PRESS FOR THE PRODUCTION OF HOLLOW SECTIONS

ZUSAMMENSETZUGEN FOR HEATRESET-CASH FOAM MATERIAL HOSES

PROCEDURE FOR THE PRODUCTION OF PLASTIC FOAM BOARDS FROM POLYSTYRENE EXTRUDING FOAM MATERIAL AND TAKEN OFF BLOCKPLATTE

PROCEDURE AND DEVICE FOR THE PRODUCTION OF SHAPED PARTS OR ARTICLES FOR MOTOR VEHICLES.

HIGH PRESSURE VERBUNDROHR AND PROCEDURE FOR THE PRODUCTION OF THE PIPE

PROCEDURE AND DEVICE FOR THE PRODUCTION OF A BIOLOGICALLY DEGRADABLE PACKING MATERIAL

PROCEDURE FOR THE PRODUCTION OF MEAT PACKING BOWLS

FORMED BASE MATERIAL FOR CAR CEILING MEMBER

BLOWN FILM EXTRUSION SYSTEM

The invention relates to a blown film extrusion system (1) that comprises a blowing head (5), which extrudes a film tube (9), a pinch-off device (8), which pinches off the film tube (9), and comprises film guiding elements (7, 13, 27, 28) that guide the film tube (9) between its extrusion by the blow head and its pinching off. According to the invention, the guiding elements (7, 13, 27, 28) contain a porous, preferably microporous material.

PROCESS AND APPARATUS FOR PRODUCING LAMINATED STRUCTURE HAVING HOLLOW CLOSED CELLS

UNIT AND PROCESS FOR THE PRODUCTION OF TUBULAR RESIN FILM

A unit for producing stably a resin film product having a small and uniform film thickness and an even surface, which product could not be obtained by current tube extrusion or blown film extrusion, from a thermoplastic resin; and a process for producing the film product. A unit provided with a heat- extrusion machine (1) for extruding a molten thermoplastic resin into a tube and a core (2) which exudes a gas toward the inner wall of the tube to form the tube into a tubular resin film (20), wherein a means (4) of stabilizing the shape of the tube is set between the nozzle (3) of the heat-extrusion machine (1) and the core (2).

PROCESS FOR MAKING FILM FROM LOW DENSITY ETHYLENE HYDROCARBON COPOLYMER

EXTRUSION APPARATUS AND METHOD AND EXTRUDED FOAM ARTICLE

An apparatus and method for forming an extruded foam article is disclosed. In an embodiment, a first foam material may be urged through an extrusion channel, and a first coating material may be fed to an applicator in communication with the extrusion channel to apply a visible coating on a region of the outer surface of the foam material. The region is a fraction of a perimeter of the outer surface of the first foam material. In an embodiment, the applicator may be rotated relative to the first foam material to impart a visible helical band on the extruded foam article.

Process for Manufacturing Foam-Filled Extruded Products

METHOD FOR FORMING IRRIGATION PIPE HAVING A POROUS SIDE WALL

The method of forming a porous pipe comprising extruding in a plasticized state two particulate incompatible resins, one of which is a thermosetting resin and the other a thermoplastic resin, and passing a gas through the wall of the extruding pipe and into the atmosphere to form a maze of gas passages between the particles of the incompatible resins.

CO-EXTRUDED MULTILAYER PLASTIC PIPE, METHOD FOR PRODUCING THE SAME, AND DEVICE THEREFOR

The invention relates to a co-extruded multilayer plastic pipe comprising an inner pipe (1) and an outer pipe (2) and between them a middle layer (3) of a softer material than the inner pipe. The invention also relates to a method for producing a co-extruded multilayer pipe in a multilayer extruder, and an apparatus for producing a co-extruded multilayer pipe.

IMPROVED EXPANDABLE VINYL AROMATIC POLYMERS

ТЕПЛОИЗОЛИРОВАННАЯ ТРУБА

Изобретение относится к трубной системе, состоящей по меньшей мере из одной трубы (1) для среды, по меньшей мере одного теплоизоляционного слоя (2), содержащего полиолефины, и по меньшей мере одной наружной оболочки (3), отличающейся тем, что теплоизоляционный слой (2) имеет наружное профилирование, следующее за профилем наружной оболочки (3).

Crosslinked polyolefin resin foam

Method for preparing polyolefin microporous membrane with symmetrical upper and lower surface structures

The invention provides a method for preparing a polyolefin microporous membrane with symmetrical upper and lower surface structures. The method comprises the following steps of: 1) mixing polyolefin resin with a diluting agent in a weight ratio of 1-6:4-9; 2) extruding the mixture by a neck ring mold in an extrusion flow-casting mode and performing cold rolling and strip casting to obtain a thick sheet; 3) preheating the thick sheet and stretching the preheated thick sheet longitudinally and transversely; 4) shaping the stretched thick sheet; 5) extracting the diluting agent and drying the thick sheet; 6) stretching the thick sheet transversely and shaping the stretched thick sheet; and 7) winding the shaped thick sheet. For the polyolefin microporous membrane prepared by the process steps, the upper and lower two surfaces of the thick sheet are particularly provided with a set of rollers with the same diameter respectively, or one side of an air knife is provided with a set of the rollers ...

TUBES ET PROFILES BIORIENTES EN MATIERE THERMOPLASTIQUE ET LEUR PROCEDE DE FABRICATION

EXTRUSION DE TUBES ET PROFILES EN MATIERE THERMOPLASTIQUE. LES PROFILES RIGIDES OU SEMI-RIGIDES SONT ORIENTES BIAXIALEMENT. UTILISATION POUR LE TRANSPORT DE FLUIDES PRESSURISES ET LA REALISATION DE CORPS DE BOITES DESTINES A L'EMBALLAGE.

MANUFACTURE OF FOAM PLASTIC SHEETS

MANUFACTORING PROCESS Of a POROUS PIPE HAS EDGES, DEVICE FOR SA IMPLEMENTED, PIPE OBTAINED BY THE AFOREMENTIONED PROCESS AND USE Of SUCH a PIPE IN IRRIGATION

METHOD AND APPARATUS FOR MAKING THERMOPLASTIC SYNTHETIC RESIN STRUCTURES

Procede de fabrication d'un coussin a garnissage integre par coulee in situ, melange moussant et dispositif pour la mise en oeuvre de ce procede et coussin ainsi obtenu

La presente invention a pour objet un procede de fabrication d'un coussin a garnissage integre par coulee in situ, un melange moussant et un dispositif pour la mise en oeuvre de ce procede et coussin ainsi obtenu. Procede caracterise en ce qu'il consiste a refendre par tranchage une feuille en mousse de polyurethane, dont les faces superieure et inferieure presentent une peau de moulage 5, en deux nouvelles feuilles 6 et 7, presentant ainsi chacune, sur une face la peau de moulage 5 et sur l'autre face, des cellules 10 apparentes, a appliquer ensuite la feuille de mousse 6 ou 7 ainsi obtenue sur le tissu, puis a confectionner une coiffe de coussin 1 a partir de ce compose tissu/mousse, a disposer ladite coiffe 1 dans le moule 11 et a couler le melange moussant de polyurethane 12, la mousse etant ensuite, de maniere connue, gelifiee puis polymerisee avant demoulage du coussin obtenu.

Manufactoring process of expanded polyvinyl chloride sheets

PROCESS OF DE-DUSTING OF ALVEOLAR PLATES, SOUFFLETTE OF DE-DUSTING

La présente invention porte sur un procédé pour dépoussiérer la zone de coupe transversale d'une plaque alvéolaire (30) comportant deux feuilles de couverture et une pluralité de parois intermédiaires entre les deux feuilles définissant un nombre n d'alvéoles (31, 32, 33, 34) longitudinales, séparées par des cloisons parallèles ou inclinées par rapport aux deux feuilles, caractérisé par le fait que l'on injecte simultanément un gaz dans les alvéoles par des jets séparés ou bien par au moins un jet en forme de lame mince. Par ce moyen on évacue efficacement toutes les particules formées lors de la découpe d'une plaque après sa fabrication par extrusion.

MOLDING APPARATUS OF NON-TOXIC EPDM RUBBER POWDER FILLER FOR ARTIFICIAL TURF AND NON-TOXIC EDPM RUBBER POWDER FILLER MANUFACTURED BY MOLDING APPARATUS

The present invention relates to a molding apparatus of a non-toxic EPDM rubber powder filler for an artificial turf, and the non-toxic EPDM rubber powder filler manufactured by the molding apparatus. The purpose of the present invention is to mold the non-toxic EPDM rubber powder filler through fully automated processes including injection and mixing of raw materials, extrusion, cutting, talc feeding, continuous vulcanization and foaming, pulverization, selection, and packaging. To achieve this, the molding apparatus of the present invention is formed to remarkably improve productivity and workability, and particularly not only greatly improves foamability but also enables quality of the EPDM rubber powder filler to be exceptionally improved by comprising a two heating chambers having a two-stage continuous heating section which naturally and coercively foams the EPDM rubber powder during the vulcanization process of an EPDM rubber powder, and stay blades (rotary blades) which have passages ...

METHOD FOR MANUFACTURING FOAM BOARD

The present invention relates to a foam board and a method for manufacturing the same, wherein the inside of a foam board is smoothly cooled when producing a thick foam board, and thus an external change such as contraction or expansion does not occur, and the production speed is not lowered due to smooth cooling. More specifically, the method for manufacturing a foam board comprises a raw material preparing step, a heating step, a mixing step, a cooling step, a foaming step, a molding step, and a transferring step, wherein the foaming step includes: a raw material distributing step of distributing raw materials transferred through the cooling step according to the path; a temperature adjusting step of varying the temperature depending on the position of the raw materials distributed in the raw material distributing step; an individual foaming step of performing individual foaming after the temperature is differently provided for each position through the temperature adjusting step; and ...

스티렌계 공중합체 및 그 제조 방법, 압출 발포 시트 및 그 성형품

... 성형 가공성이 우수하고, 또한 겔상 물질이 적은 스티렌계 공중합체를 제공하는 것. 수평균 분자량 (Mn) 이 850 ∼ 100000 인 공액 디비닐 화합물과, 적어도 스티렌계 화합물을 함유하는 1 종류 이상의 모노비닐 화합물의 스티렌계 공중합체로서, 상기 공액 디비닐 화합물의 함유량이, 상기 모노비닐 화합물 1 몰당 2.0 × 10-6 ∼ 4.0 × 10-4 몰이고, 상기 스티렌계 공중합체는, 중량 평균 분자량 (Mw) 이 20 만 ∼ 50 만이고, 분자량 200 만 이상의 비율이 0.3 ％ ∼ 6.0 ％ 인, 스티렌계 공중합체.

조성물, 및 발포 성형체 및 전선의 제조 방법

... 본 발명은 평균 기포 직경이 작고, 또한 발포율이 큰 발포 성형체 및 발포 전선을 제조할 수 있는 조성물을 제공하는 것을 목적으로 한다. 본 발명은 불소 수지와, 평균 입자 직경이 10.5㎛ 이상인 질화붕소 또는 (D84-D16)/D50으로 표현되는 입도 분포가 1.2 이하인 질화붕소를 포함하는 것을 특징으로 하는 조성물이다.

스티렌계 수지 압출 발포체의 제조 방법

... 두께 방향 개방도가 a(㎜)인 다이 슬릿부를 구비하는 압출기로 스티렌계 수지 조성물을 가열 용융시키고, 발포제를 배합한 발포성 용융물을 다이 슬릿부로부터 저압 영역에 압출 발포하여 판상으로 성형하여, 밀도 20㎏/㎥ 이상 45㎏/㎥ 이하, 독립 기포율 90% 이상, 두께 A(㎜) 10㎜ 이상 150㎜ 이하의 스티렌계 수지 압출 발포체를 얻을 때, 하이드로플루오로올레핀과 다른 유기 발포제를 포함하는 발포제를 사용하여, 다이 슬릿부의 두께 방향 개방도 a와 스티렌계 수지 압출 발포체의 두께 A의 두께 확대비 A/a를 18 이하로 하고, 또한 다이 슬릿부로부터 압출되기 직전의 발포성 용융물을 4.5㎫ 이상 10.0㎫ 이하로 가압하는, 스티렌계 수지 압출 발포체의 제조 방법.

IMPROVED METHOD FOR EXTRACTING SHAPED FOAM ARTICLES FROM A FORMING MOLD CAVITY

The invention relates to an improved method of extracting a shaped foam article from a mold cavity after being formed, specifically by imparting a vacuum sufficient enough to hold the shaped foam article to one side of the mold, preferably the core half of the mold, when the mold opens.

HIGH COMPRESSIVE STRENGTH EXTRUDED SAN FOAM

Prepare an extruded polymeric foam using a foamable polymer composition that contains a polymer composition with styrene-acrylonitrile copolymer, a blowing agent composition with only 1,1,1,2-tetrafluoroethane (74-78 weight-percent), carbon dioxide (13-16 weight-percent) and water (7-9 weight-percent) where the concentrations are relative to total blowing agent weight, and less than 0.5 weight-percent filler based on foamable polymer composition weight by using an extrusion foaming process with a foaming temperature of 120-125 degrees Celsius to produce a polymeric foam having a density of 29-37 kilograms per cubic meter and a vertical compressive strength in kilopascals having a magnitude exceeding 520 less than the product of the magnitude of the foam density in kilograms per cubic meter and 25.9.

DEVICE FOR EXTRUDING A THERMOPLASTIC POLYMER INTO A TUBE, AND AN EXTRUDER HEAD THEREFOR

The invention relates to a device (1) for extruding a thermoplastic polymer into a tube, comprising means for annular feed of tube material for extrusion to an extruder head which comprises an extruder head gap with an inner wall and an outer wall, wherein the inner wall (6) and/or the outer wall (5) of the diverging conical gap (4) and/or of the converging part of the compression gap is provided with guide structures (8, 9) running in axial direction for tube material. The invention also relates to an extruder head in accordance with the above stated device.

MICROPOROUS BREATHABLE ELASTIC FILM LAMINATES

A breathable, elastic film/support layer laminate includes a thermoplastic elastomer film sheet of a thermoplastic elastomer and a filled semi crystalline predominantly linear polymer. The film includes between about 25 and 70 weight percent filler, between about 5 and 30 by weight percent semi-crystalline linear polymer, and between about 15 and 60 by weight percent elastomeric polymer. The filler is closely associated with the semi-crystalline linear polymer. The film demonstrates a load loss value at a 50 percent elongation of less than 50 percent, and a breathability of greater than 100 g/m¿2?/24 hours and is laminated to a nonwoven layer.

METHOD FOR PRODUCING COMPOSITE PELLET FOR EXTRUSION MOLDING, AND COMPOSITE PELLET FOR EXTRUSION MOLDING PRODUCED BY THE METHOD

Disclosed are composite pellets for extrusion molding wherein fusion does not occur between the pellets, and there is no variation in size and density. A molten material obtained by an extruder for a raw material containing a thermoplastic resin and wood powder is extruded into a strand shape through a die nozzle of the extruder, and cut into a predetermined length to form a pellet. At this time, the extrusion amount, the diameter of each nozzle hole, and the number of nozzle holes are adjusted so that the linear velocity (νd) of the molten material in each nozzle hole of the die nozzle is in the range of 12 to 50 cm/sec. Further, regardless of the variations in particle diameter, etc., a stable amount of the composite pellets are supplied to the extruder, and smoothly introduced to a screw of the extruder. The composite pellets and 12-hydroxystearic acid containing a metal of Ca, Mg, or Zn are agitated together, and 0.03 to 0.4 mass % of the 12-hydroxystearic acid is attached to the periphery of 100 mass % of the composite pellet, and the pellets are used for extrusion molding. 1. A method of manufacturing composite pellets for extrusion in which the composite pellets are used as a molding material extruded into a synthetic wood product containing a thermoplastic resin and wood meal as main ingredients , comprising:when the composite pellets are formed by extruding a molten material obtained by melt-kneading a raw material containing thermoplastic resin and wood meal with an extruder into a strand shape through many nozzle holes provided in a die nozzle mounted at a front end of the extruder, then cutting strands of the molten material at intervals of a predetermined length,setting the rate of extrusion (Q) of the extruder, the diameter (D) of each of the nozzle holes, and the number (n) of the nozzle holes such that a linear velocity (νd) falls within a range of 12 to 50, wherein{'sup': '2', 'νd=(Q×1000/3600)/[(D/20)π·ρm·n], where νd=linear velocity (cm/sec),'}Q= ...

METHOD FOR PREPARING MICROPOROUS POLYOLEFIN FILM WITH IMPROVED PRODUCTIVITY AND EASY CONTROL OF PHYSICAL PROPERTIES

Provided is a method of manufacturing a microporous polyolefin film useable as a battery separator, which is easy to control strength, permeability and shrinking properties of the microporous film and embodies excellent quality uniformity and production stability in fabricating the microporous film. 111-. (canceled)12. The manufacturing method of a microporous polyolefin film by using a roll type stretching machine , at least includes:{'sup': 5', '6, '(a) melting/mixing/extruding a sheet composition containing a polyolefin composition having a weight-average molecular weight of not less than 1×10to less than 1×10(component I) and a diluent (component II) in a ratio by weight of 15˜50:85˜50 and shaping these compositions into a sheet form through a T-die;'}(b) using the stretching machine of roll type consisting of at least three rolls to stretch the sheet to the machine direction, and then, stretch the film stretched uni-axially to the machine direction into the transverse direction by a stretching machine of tenter type, in order to form a film by sequential biaxial stretching; and(c) extracting the diluent from the film stretched to the machine and transverse direction and drying the film,{'sup': −3', '−3, 'wherein the stretching machine to the machine direction includes at least one preheating roll, at least one stretching roll and at least one cooling roll or air-cooled device, a total roll contact time at the preheating rolls ranges from 1 to 500 seconds, the stretching is executed in at least one section between rolls, a stretching ratio in one section between two rolls ranges from 1.05 to 6 times, a roll contact coefficient of the sheet on the stretching roll ranges from 1.5 to 54 degree (of angle)×m, and a coefficient of non-contact section between rolls ranges from 0.1×10to 200×10min.'}13. The method of claim 12 , wherein the polyolefin composition in step (a) includes at least one polyolefin resin component claim 12 , or 80 to 99.9 wt % of at least one ...

Method and Apparatus for Forming an Expandable Foam Pellet Having a Hard Outer Shell by Underwater Pelletizing, and Expandable Foam Pellets Formed Thereby

A pre-expanded hard shell thermoplastic foam pellet is made by controlling the temperature of the melt exiting a die plate in an underfluid pelletizer, and by controlling the temperature and pressures of the cooling fluid as the pellet flows from the cutting chamber through the slurry line toward a centrifugal dryer. The process and apparatus used for controlling the above parameters is described in conjunction with making the pellets. The pellets thus formed may have a generally spherical shape, or they may have odd, irregular shapes with foam hemorrhages protruding therefrom, depending on the conditions during pre-expansion.

COMPOSITION, AND METHOD FOR PRODUCING FOAM MOLDED MATERIAL AND ELECTRIC WIRE

The present invention aims to provide a composition which can provide molded foams and foamed electric wires having a small average cell size and a high expansion ratio. The composition of the present invention includes a fluororesin; and boron nitride having an average particle size of 10.5 μm or greater, or boron nitride having a particle size distribution represented by (D84−D16)/D50 of 1.2 or lower. 1. A composition comprising:a fluororesin; andboron nitride having an average particle size of 10.5 μm or greater.2. The composition according to claim 1 ,wherein the boron nitride has a particle size distribution represented by (D84−D16)/D50 of 1.2 or lower.3. A composition comprising:a fluororesin; andboron nitride having a particle size distribution represented by (D84−D16)/D50 of 1.2 or lower.4. The composition according to claim 3 ,wherein the boron nitride has an average particle size of 5.0 μm or greater.5. The composition according to claim 1 ,wherein the boron nitride is in a pulverized form.6. The composition according to claim 1 ,wherein the fluororesin is a tetrafluoroethylene/hexafluoropropylene copolymer, a tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer, or a tetrafluoroethylene/ethylene copolymer.7. The composition according to claim 1 ,wherein the fluororesin is a fluorinated fluororesin.8. The composition according to claim 1 ,wherein the amount of the boron nitride is 0.5% by mass or more based on the sum of the amounts of the fluororesin and the boron nitride.9. The composition according to claim 1 , further comprising a sulfonic acid or a salt thereof.11. A molded foam claim 1 , which is formed from the composition according to .12. An electric wire comprisinga core, and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'a covering material which covers the core and which is formed from the composition according to .'}13. A method for producing a molded foam claim 1 , comprising{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'foam- ...

FIBER-REIMFORCED MOLDED BODIES MADE OF EXPANDED PARTICLE FOAM MATERIAL

The present invention relates to a molding made of expanded bead foam, wherein at least one fiber (F) is partly within the molding, i.e. is surrounded by the expanded bead foam. The two ends of the respective fibers (F) that are not surrounded by the expanded bead foam thus each project from one side of the corresponding molding. The present invention further provides a panel comprising at least one such molding and at least one further layer (S1). The present invention further provides processes for producing the moldings of the invention from expanded bead foam or the panels of the invention and for the use thereof, for example as rotor blade in wind turbines. 116.-. (canceled)17213. A molding made of expanded bead foam , wherein at least one fiber (F) is present with a fiber region (FB) within the molding and is surrounded by the expanded bead foam , while a fiber region (FB) of the fiber (F) projects from a first side of the molding and a fiber region (FB) of the fiber projects from a second side of the molding , where the fiber (F) has been introduced into the expanded bead foam at an angle α of 10° to 70° relative to the thickness direction (d) of the molding.18. The molding according to claim 17 , wherein the expanded bead foam is based on at least one polymer selected from polystyrene claim 17 , polyphenylene oxide claim 17 , a copolymer prepared from phenylene oxide claim 17 , a copolymer prepared from styrene claim 17 , polysulfone claim 17 , polyether sulfone claim 17 , polypropylene claim 17 , polyethylene claim 17 , polyamide claim 17 , polycarbonate claim 17 , polyacrylate claim 17 , polylactic acid claim 17 , polyimide claim 17 , polyvinylidene difluoride or a mixture thereof.19. The molding according to claim 17 , whereini) the fiber (F) is a single fiber or a fiber bundle, orii) the fiber (F) is an organic, inorganic, metallic or ceramic fiber, oriii) the fiber (F) is used in the form of a fiber bundle having a number of single fibers per bundle of ...

Head and system for continuously manufacturing composite hollow structure

A head is disclosed for use with a continuous manufacturing system. The head may have a housing configured to receive a matrix and a continuous fiber, and a diverter located at an end of the housing. The diverter may be configured to divert radially outward a matrix-coated fiber. The head may also include a cutoff having an edge configured to press the matrix-coated fiber against the diverter.

Fabrication method of v-ribbed belt

In a V-ribbed belt fabrication method, an uncrosslinked rubber sheet in which V-shaped ribs are to be formed is fabricated by extruding an uncrosslinked rubber composition blended with no short fibers from an extruder. At least a surface layer of the uncrosslinked rubber sheet, in which surface layer the V-shaped ribs are to be formed, is made of an uncrosslinked rubber composition blended with at least one of hollow particles or a foaming agent for forming pores in the surface of the V-shaped ribs.

PROCESS FOR THE PRODUCTION OF A THERMOPLASTIC FOAM SHEET VIA SYMMETRICAL BONDING OF THE INPUT SHEETS

A process for the production of an at least two-layer thermoplastic foam sheet via symmetrical bonding, e.g., by thermal welding, of at least two thinner thermoplastic foam sheets to give the at least two-layer thermoplastic foam sheet. The invention further relates to thermoplastic foam sheets having at least two layers. The number of the layers of the thermoplastic foam sheet derives from the number of thin thermoplastic foam sheets that are thermally welded to one another. 116.-. (canceled)17. A process for the production of an at least two-layer thermoplastic foam sheet , the process comprising symmetrically bonding at least two thin thermoplastic foam sheets to provide the at least two-layer thermoplastic foam sheet.18. The process according to claim 17 , wherein the at least two-layer thermoplastic foam sheet is a two-layer or three-layer claim 17 , thermoplastic foam sheet.19. The process according to claim 18 , wherein the thermoplastic foam sheet is a two-layer thermoplastic foam sheet.20. The process according to claim 17 , wherein the at least two-layer thermoplastic foam sheet is an extruded foam sheet claim 17 , the thermally induced warpage of which is ≦1.5 mm claim 17 , based on the thickness of the at least two-layer extruded thermoplastic foam sheet.21. The process according to claim 17 , wherein the symmetrical bonding is conducted by symmetrical adhesive bonding or symmetrical thermal welding.22. The process according to claim 17 , wherein the symmetrical bonding where at least one pair of sheets is to be bonded comprises bonding either two upper sides or two lower sides of the respective thinner thermoplastic foam sheets to one another.23. The process according to claim 17 , wherein claim 17 , in the symmetrical bonding where at least one pair of sheets is to be bonded claim 17 , the density of the respective surfaces to be bonded of the two thinner thermoplastic foam sheets is identical or differs by at most 20%.24. The process according to ...

METHOD FOR MANUFACTURING PLASTIC DIELECTRIC HAVING HOLES AND PLASTIC DIELECTRIC MANUFACTURED THEREBY

A method for manufacturing a plastic dielectric having a plurality of holes and a plastic dielectric manufactured thereby. The method for manufacturing a plastic dielectric includes the steps of: (a) injecting a plastic material into an airtight container; (b) injecting inert gas into the airtight container at pressure of 5 to 9 MPa; (c) maintaining the temperature inside the airtight container at 20 to 50° C.; (d) leaving the airtight container for a predetermined period till an amount of inert gas dissolved in the plastic material becomes 6% wt or more and drawing the plastic material out of the airtight container; and (e) heating the plastic material at temperature of 40 to 110° C. 1. A method for manufacturing a plastic dielectric which has a sponge structure comprised of a plurality of pores , the method comprising the steps of:(a) injecting a plastic material into an airtight container;(b) injecting inert gas into the airtight container at pressure of 5 to 9 MPa;(c) maintaining the temperature inside the airtight container at 20 to 50° C.;(d) leaving the airtight container for a predetermined period till an amount of inert gas dissolved in the plastic material becomes 6% wt or more and drawing the plastic material out of the airtight container; and(e) heating the plastic material at temperature of 40 to 110° C.2. The plastic dielectric manufacturing method according to claim 1 , wherein the step (e) of heating the drawn-out plastic material claim 1 , the drawn-out plastic material is soaked in glycerin or water heated at 40 to 110° C.3. The plastic dielectric manufacturing method according to claim 1 , wherein the step (e) of heating the drawn-out plastic material is either the step of using conduction by a plate heater or the step of using radiation by an IR heater.4. The plastic dielectric manufacturing method according to claim 1 , wherein the inert gas is CO claim 1 , N claim 1 , He or Ar.5. The plastic dielectric manufacturing method according to claim 1 ...

ELECTRICALLY CONDUCTIVE RUBBER COMPOSITION, TRANSFER ROLLER, PRODUCTION METHOD FOR THE TRANSFER ROLLER, AND IMAGE FORMING APPARATUS

An electrically conductive rubber composition is provided, which is usable for production of a transfer roller of a highly flexible foam satisfying requirements for cost reduction and weight reduction and having smaller foam cell diameters and, hence, ensuring higher-quality image formation with smaller environment-dependent variations in roller resistance. A transfer roller produced from the electrically conductive rubber composition, a production method for the transfer roller, and an image forming apparatus including the transfer roller are also provided. The electrically conductive rubber composition contains a rubber component including SBR and/or BR, EPDM and epichlorohydrin rubber, a crosslinking component, and 4 to 6 parts by mass of a foaming agent and 1.5 to 2.7 parts by mass of a foaming assisting agent based on 100 parts by mass of the rubber component. The transfer roller () is produced by extruding the electrically conductive rubber composition into a tubular body and performing an in-can vulcanization process on the tubular body. The image forming apparatus incorporates the transfer roller. 1. An electrically conductive rubber composition for in-can vulcanization , the rubber composition comprising:a rubber component including ethylene propylene diene rubber, epichlorohydrin rubber and at least one rubber selected from the group consisting of styrene butadiene rubber and butadiene rubber;a crosslinking component for crosslinking the rubber component;a foaming agent thermally decomposable to generate gas, the foaming agent being present in a proportion of not less than 4 parts by mass and not greater than 6 parts by mass based on 100 parts by mass of the overall rubber component; anda foaming assisting agent which accelerates decomposition of the foaming agent, the foaming assisting agent being present in a proportion of not less than 1.5 parts by mass and not greater than 2.7 parts by mass based on 100 parts by mass of the overall rubber component.2. ...

INTEGRATED INSULATION EXTRUSION AND EXTRUSION TECHNOLOGY FOR WINDOW AND DOOR SYSTEMS

Extruded plastic profiles with integrated insulation, the method for extruding such products, and the windows and doors made with such plastic extrusions. The plastic extrusions may additionally include a low heat build-up capstock system comprising an acrylic cap and pigment system that is substantially IR transparent. The extruded plastic profiles with integrated insulation are recyclable using conventional plastic extrusion process and are fully weldable in conventional window and door manufacturing. 1. A window for use in a residential or commercial structure , comprising:a glass pack operatively installed in a window frame, where the window frame further comprises: a structural extrusion formed of a first thermoplastic resin suitable for use in the fenestration industry and which contains at least one hollow interior portion and which is of a constant profile and extends to an indefinite length, an integrated insulation formed of a second thermoplastic resin substantially filling at least one hollow portion of the structural extrusion, where the first thermoplastic resin and the second thermoplastic resin are compatible and recyclable together and where the structural extrusion and the integrated insulation are coextruded through an extrusion die.2. The window for use in a residential or commercial structure of claim 1 , wherein claim 1 , the second thermoplastic resin of the integrated insulation is foamed and further contains a plurality of air pockets running in the length of the extrudate.3. The window for use in a residential or commercial structure of claim 2 , wherein the thermoplastic resin and the second thermoplastic resin are comprised of polyvinyl chloride (PVC) resin.4. The window for use in a residential or commercial structure of claim 3 , further comprising a dark-colored capstock portion that is formed of a third thermoplastic resin that is significantly transmissive of solar infrared radiation and that covers at least a portion of the ...

Rigid multilayer tile and production method thereof

Disclosed herein are a rigid tile including a foam cushion layer and a reinforcing layer, and a production method thereof.

EXTRUDED REINFORCEMENTS

A polymeric insert formed by extruding a material including polyamide and a plurality of long fibers to form a column structure having a first profile. A method for making such an insert comprising passing a polymeric material in a substantially flowable state through a die, and substantially simultaneously passing a fiber through the die, wherein during the passing step the polymeric material has a relative viscosity of less than about 60 according to ASTM D789. 1. A method for making an insert , comprising the steps of:a. extruding a thermoplastic material to form a first column structure having a first profile;b. extruding a thermoplastic material to form a second column having a second profile that is different from the first profile;c. connecting the first column structure to the second column structure with a connector device so that the connector device is shaped to receive the first profile of the first column structure and the second profile of the second column structure.2. The method of claim 1 , wherein the one or more of the column structures include one or more openings formed in a wall of the one or more column structures.3. The method of claim 1 , wherein an activatable material is located onto at least a portion of one or more of the column structures.4. The method of claim 3 , wherein the activatable material is located on at least one internal wall of the one or more column structures.5. (canceled)6. The method of claim 3 , wherein the activatable material is activated by heat entering within the one or more column structures through the one or more openings formed in one or more walls of the one or more column structures.7. The method of claim 1 , wherein the thermoplastic material is selected from the group consisting of a homopolymer claim 1 , a copolymer claim 1 , a terpolymer or a blend of two or more polymers.8. (canceled)9. The method of claim 1 , wherein the insert has a specific gravity per ASTM D792 of from about 1 to about 1.3 claim 1 , ...

BIODEGRADABLE FOAMED MATERIAL

A biodegradable foamed material is formed from corn meal, corn flour and distillers grains, especially dried distillers grains with solubles (DDGS). The foamed material has a low density and is cheaper to produce, has a more pleasing color and may be formed faster and into larger pellets than packaging material formed from corn meal without corn flour and distillers grains. The foamed material is useful in packaging, as insulation and the like. 1. A biodegradable foamed material formed from corn meal , corn flour and distillers grains.2. The material according to claim 1 , wherein the distillers grains comprises dried distillers grains with solubles (DDGS).3. The material according to claim 2 , formed with 25-75 wt % corn meal claim 2 , 0.5-15 wt % corn flour and 10-45 wt % DDGS claim 2 , all weights based on total weight of corn meal claim 2 , corn flour and DDGS.4. The material according to claim 2 , formed with 40-60 wt % corn meal claim 2 , 7-15 wt % corn flour and 30-45 wt % DDGS claim 2 , all weights based on total weight of corn meal claim 2 , corn flour and DDGS.5. The material according to claim 2 , formed with 50 wt % corn meal claim 2 , 10 wt % corn flour and 40 wt % DDGS claim 2 , all weights based on total weight of corn meal claim 2 , corn flour and DDGS.6. The material according to having a density 1.05 times or more less than density of a material formed from corn meal without corn flour and distillers grains.7. The material according to which is a biodegradable foamed pellet.8. The material according to having a moisture content in a range of 1-5 wt % based on weight of the material.9. A process for producing biodegradable foamed material claim 2 , comprising extruding a mixture of corn meal claim 2 , corn flour and distillers grains in an extruder at a temperature in a range of 125° C. to 165° C. to produce an extruded foamed material.10. The material according to claim 9 , wherein the distillers grains comprises dried distillers grains with ...

SELF-ADHERED SINGLE-SIDED SLIP-RESISTANT MATERIAL

A single-sided, slip resistant, self-adhesive material is produced using a blown film process which produces a film having an interior layer capable of being treated or coated to accept a pressure sensitive adhesive, a middle layer of flexible polyolefin and an exterior polyolefin elastomer layer in combination with a blowing agent to produce a single-sided slip resistant material. A number of in-line rollers are optionally provided after a pair of nip rollers, which form part of a machine direction orienter (MDO) that is used in line in the manufacturing process to heat, and then cool and condition (anneal and relieve any stresses and/or thickness inconsistencies) the film prior to the film being coated on one side with a pressure sensitive adhesive. 112-. (canceled)13. A method of making single-sided , anti-slip film layers , each anti-slip film payer having a rough , slip-resistant , open-celled outer surface on one film side thereof , said method comprising the following acts:using a film blowing machine to vertically coextrude a multilayer film from a circular die to form a tube having first and second sides, wherein the tube comprises at least three coextruded layers of film including an inner layer, an outer layer and a middle layer, said outer layer comprising a plurality of gas bubbles resulting from addition of a blowing agent to its film making material provided to said circular die, and said blowing agent causing said gas bubbles to form in said outer layer as said outer layer is coextruded from said circular die;drawing the resulting coextruded multilayer film tube vertically and upwardly away from the circular die at a predetermined speed;at a predetermined distance from the circular die, collapsing the coextruded multilayer film tube during said drawing by passing the film tube between at least two rollers positioned in close proximity to one another so that a first roller of said at least two rollers contacts said first side of said coextruded ...

Method for producing polyethylene-based resin extruded foam sheet, polyethylene-based resin extruded foam sheet, and plate interleaf sheet using the same for glass sheets

Provided is a method for producing a polyethylene-based resin extruded foam sheet by extruding and foaming a foamable molten resin composition formed by kneading a mixture containing a low-density polyethylene, a physical blowing agent, and an antistatic agent, wherein the foam sheet has a thickness in a range of from 0.05 to 0.5 mm, and the antistatic agent is a polymeric antistatic agent having a melting point whose different from the melting point of the low-density polyethylene is in a range of from −10 to +10° C., and having a melt flow rate of 10 g/10 min or more. This method enables a novel polyethylene-based resin extruded foam sheet to be obtained that is of high quality such that formation of a small hole or a through-hole has been reduced or eliminated, and has both excellent strength and a shock-absorbing property despite a very small thickness even in medium- or long-term continuous production, and besides, exhibits a sufficient antistatic property, thus suitable as a glass plate interleaf sheet.

PROCESS FOR PRODUCING FOAMS BASED ON THERMOPLASTIC POLYURETHANES

A process for producing foamed thermoplastic polyurethane particles comprises the steps of a) melting a thermoplastic polyurethane in a first extruder (E), b) injecting a gaseous blowing agent in a second extruder (E), c) impregnating the gaseous blowing agent homogeneously into the thermoplastic polyurethane melt in a third extruder (E), d) extruding the impregnated thermoplastic polyurethane melt through a die plate and granulating the melt in an underwater granulation device under temperature and pressure conditions to form foamed thermoplastic polyurethane particles. 1. A process for producing foamed thermoplastic polyurethane particles , the process comprising:{'b': '1', 'a) melting a thermoplastic polyurethane in a first extruder E,'}{'b': '2', 'b) injecting a gaseous blowing agent in a second extruder E,'}{'b': '3', 'c) impregnating the gaseous blowing agent homogeneously into the thermoplastic pol-yurethane melt in a third extruder E, and'}d) extruding the impregnated thermoplastic polyurethane melt through a die plate and granulating the melt in an underwater granulation device under temperature and pressure conditions to form foamed thermoplastic polyurethane particles.2. The process according to claim 1 , wherein a bulk density of the foamed thermoplastic polyurethane particles formed in step d) ranges from 30 to 250 kg/m3.3. The process according to claim 1 , wherein the gaseous blowing agent comprises CO2 claim 1 , N2 claim 1 , or a combination of CO2 and N2.4132. The process according to claim 1 , wherein a single screw extruder is used as the first extruder E and the third extruder E claim 1 , and a twin extruder is used as the second Extruder E.5. The process according to claim 1 , wherein the water in the underwater granulation device has a pressure in the range from 1 to 20 bar and a temperature in the range from 10 to 50° C. This invention relates to a process for production of expanded pellets from a polymer melt comprising a blowing agent. ...

INTEGRATION OF A DEVICE IN A MOTOR VEHICLE SEAT ELEMENT

A method of integrating a device in upholstery of a foam seat element, including the steps of: placing the device in a plastic bag or surrounding it with a plastic film; placing the assembly in an injection mold; and injecting foam to form the seat element in one piece. 1. A method of integrating a device in upholstery of a foam seat element comprising the steps of:placing the device in a plastic bag or surrounding it with a plastic film;placing the assembly in an injection mold; andinjecting foam to form the seat element in one piece.2. The method of claim 1 , wherein the foam coats the plastic bag or film.3. The method of claim 1 , wherein the bag or film is made of a material selected from among polyurethane claim 1 , linear low-density polyethylene claim 1 , and low-density polyethylene.4. The method of claim 1 , wherein the bag or film is made of a mixture of polyethylene and of starch.5. The method of claim 1 , wherein the device is connected to the outside of the seat element.6. The method of claim 1 , wherein a cover is placed at the bottom of the mold before the injection.7. The method of claim 1 , wherein the device is at least partially coated with a foam layer before being placed in the bag or film.8. Upholstery of a seat element claim 1 , integrating a device made of foam formed in one piece.9. A motor vehicle seat element comprising the upholstery of .10. A motor vehicle seat comprising at least one seat element of .11. Upholstery of a seat element claim 1 , integrating a device made of foam formed in one piece claim 1 , wherein the upholstery is obtained by implementing the method of . This application claims the priority benefit of French patent application number 16/58441, the content of which is hereby incorporated by reference in its entirety to the maximum extent allowable by law.The present disclosure generally relates to motor vehicle seats and, more particularly, to the integration of a device in upholstery of a seat element made of foam.It is ...

Biopolymer foams as filters for smoking articles

A process for preparing a filter plug for a smoking article, such as a cigarette, includes: (a) freeze-drying a solution of a biopolymer to form a structure; and (b) cutting the structure to a predetermined dimension, to thereby prepare a filter plug for a smoking article. Another process for preparing a filter plug for a smoking article, such as a cigarette, includes: (a) extruding a mixture of a foaming agent and a biopolymer comprising a protein to form a structure; and (b) cutting the structure to a predetermined dimension, to thereby form a filter plug for a smoking article.

METHOD AND APPARATUS FOR ADDITIVE FABRICATION OF THREE-DIMENSIONAL OBJECTS UTILIZING VESICULATED EXTRUSIONS, AND OBJECTS THEREOF

An additive fabrication method for fabricating three-dimensional objects utilizing vesiculated extrusions, and three-dimensional objects thereof, by feeding a feedstock into an extrusion device, melting the feedstock and extruding a bead that is hollowed, aerated, or made to contain a volume of gas or liquid before solidification, and depositing and aggregating successive sections of the bead. An extrusion nozzle includes a mandrel or a tube for introducing a gas or a liquid into the melted feedstock and for forming the feedstock into an extrusion bead. 1. A method of forming an object by additive fabrication comprising the steps of:conveying feedstock into an extrusion mechanism;melting the feedstock; andextruding a vesiculated extrusion bead out of a nozzle of the extrusion mechanism defining a section of the object.2. The method of claim 1 , further comprising the step of depositing at least one successive section of the vesiculated extrusion bead aggregated to a previous section to form the object.3. The method of claim 1 , wherein the vesiculated extrusion bead is hollow claim 1 , cavity-containing claim 1 , aerated claim 1 , or made to contain a volume of gas or liquid.4. The method of claim 1 , wherein the vesiculated extrusion bead is foamed.5. The method of claim 1 , wherein the step of extruding a vesiculated extrusion bead comprises extruding a hollow bead around at least one mandrel positioned within the nozzle of the extrusion mechanism.6. The method of claim 1 , wherein the step of extruding a vesiculated extrusion bead comprises introducing a vesiculating fluid through a port in the nozzle.7. The method of claim 6 , wherein the vesiculating fluid is a gas or liquid.8. The method of claim 6 , wherein the vesiculating fluid is produced by a physical or chemical blowing agent.9. The method of claim 6 , wherein introducing a vesiculating fluid further comprises controlling a temperature of the vesiculating fluid claim 6 , thereby controlling a temperature ...

METHOD FOR PRODUCING A FOAMED BODY BY EXTRUSION AND EXTRUSION DEVICE FOR PRODUCING A FOAMED BODY

A method and an extrusion device for producing a foamed body. A plastics melt is produced inside the casing of a first extruder. The plastics melt is conveyed to an outlet die of a second extruder. The conveyed plastics melt has a foaming agent and expands after being fed through the outlet die. Before the plastics melt is fed through the outlet die, variations in temperature between different radial positions over the cross-section of the plastics melt are reduced by an extruder screw device which has a number of screw spindles distributed around the periphery. The plastics melt which is thus thermally homogeneous is fed through the outlet die. 1. A method for producing a foamed body by extrusion , comprising:generating a plastics melt within a casing of a first extruder; andconveying the plastics melt to an outlet nozzle of a second extruder, wherein the conveyed plastics melt has foaming agent and expands after having been conducted through the outlet nozzle, wherein, in the first and/or second extruder, the plastics melt is conveyed by an extruder screw apparatus which has multiple screw spindles which are distributed circumferentially around the extruder screw apparatus and which rotate at least partially in recessed fashion within the extruder screw apparatus, and thus, before the plastics melt is guided through the outlet nozzle, temperature differences between different radial positions in the cross section of the plastics melt are reduced, and the plastics melt thermally homogenized in this way is conducted through the outlet nozzle.2. The method as claimed in claim 1 , wherein the plastics melt is conveyed from the first extruder to the second extruder by way of a connecting extruder claim 1 , wherein an extruder screw apparatus of the connecting extruder has multiple screw spindles which are distributed circumferentially around the extruder screw apparatus and by which those fractions of the plastics melt which are present at different radial positions of ...

EXTRUSION PARISON HEAD FOR DISCONTINUOUS FOAMING

Extrusion head for manufacturing hose-like parisons from an extruded plastic material, which are made up from at least one first layer and a second layer, wherein the extrusion head comprises the following: 1. Extrusion head for producing hose-like parisons from extrudable plastic , which are made up from at least a first layer and a second layer , wherein the extrusion head comprises the following:a first manifold with a connection for a first extruder,a second manifold with a connection for a second extruder,a first flow channel with an annular first outlet opening for producing the first layer, wherein the first flow channel is fed by the first manifold,a second flow channel with an annular second outlet opening for producing the second layer, wherein the second flow channel is fed by the second manifold, anda mixer within the second flow channel with a connection for introducing a foaming agent.2. Extrusion head according to claim 1 , wherein the mixer is formed as a dynamic mixer.3. Extrusion head according to claim 2 , wherein the mixer has a shaft-like mixing element claim 2 , rotatingly drivable around a longitudinal axis of the extrusion head and which is arranged within a bore of a mixer housing claim 2 , wherein an annular channel portion is formed between the bore of the mixer housing and the mixing element which annular channel portion is part of the second flow channel.4. Extrusion head according to claim 3 , wherein mixing blades are arranged on an outer circumferential face of the mixing element.5. Extrusion head according to claim 4 , wherein mixing blades claim 4 , which interact with the mixing blades of the mixing element claim 4 , are provided on an inner circumferential face of the mixer housing.6. Extrusion head according to claim 3 , wherein the connection for introducing a foaming agents is provided on the mixer housing claim 3 , wherein a foaming agent feed line leads to the annular channel portion.7. Extrusion head according to claim 1 , ...

PROCESSES FOR PROVIDING CONTROLLED DENSITY ARTICLES

An extrusion process or providing controlled density articles that have integral skins formed thereon. 1. A process for providing controlled density articles , said process comprising:i. providing an extruder having a predetermined die head attached thereto;ii. providing a predetermined polymer in the extruder;iii. extruding said polymer through said extruder;iv. simultaneously with extruding said polymer, providing a gas source wherein said gas source is connected directly to said extruder or die head;v. passing said extruded polymer through a forming device to periodically crimp said extruded polymer and form an extrudate consisting of individual particles.21. A process as claimed in wherein said forming device also cuts and separates said individual particles.3. A process for providing controlled density articles , said process comprising:i. providing a first extruder having a predetermined die head attached thereto;ii. providing at least a second extruder;iii. providing a predetermined first polymer in the first extruder;iv. providing a predetermined second polymer in the said at least second extruder;vi. extruding said first polymer through said first extruder;vii. providing a gas source wherein said gas source is connected directly to said at least second extruder or die head;viii. simultaneously with extrusion through the first extruder, extruding said second polymer through said at least second extruder and delivering said gas to said die head through said at least said second extruder;ix. passing said extruded polymer through a forming device to periodically crimp said extruded polymer and form an extrudate consisting of individual particles.4. A process for providing controlled density articles , said process comprising:i. providing a first extruder having a predetermined die head attached thereto;ii. providing at least a second extruder;iii. providing a predetermined first polymer in the first extruder;iv. providing a predetermined second polymer in the ...

MULTILAYERED COEXTRUDED THERMOPLASTIC FOOD CASING

Provided is a multilayered coextruded thermoplastic food casing comprising a porous inner layer capable of absorbing, retaining, desorbing and transferring at least one functional additive to food encased in said casing; a layer having a barrier effect for water vapor; and an adhesive layer, wherein the porosity of said porous inner layer is generated by (co)extruding a composition comprising a polymer and a supercritical pore-forming agent, and a method for producing said multilayered coextruded thermoplastic food casing. 1. A multilayered coextruded thermoplastic food casing comprising:at least one porous inner layer;at least one layer having a barrier effect for water vapor and/or oxygen;at least one adhesive layer, said adhesive layer optionally being the same as or different from said at least one porous inner layer and/or said one layer having a barrier effect for water vapor and/or oxygen;wherein the porosity of said at least one porous inner layer has been generated by (co)extruding a first polymer composition comprising a polymer and a supercritical pore-forming agent, wherein the porosity of the sum of said at least one porous inner layer is in a range of from 5 to 90% by volume, said at least one porous inner layer has a porosity comprising pores having a pore diameter of from 0.01 to 2000 μm, such that at least one of said at least one porous inner layer(s) is able to absorb, retain, desorb and to transfer at least one transferable functional additive from said at least one porous inner layer to food encased in said casing.2. A food casing according to claim 1 , wherein the supercritical pore-forming agent is selected from the group consisting of supercritical nitrogen and supercritical carbon dioxide.3. A food casing according to comprising at least one transferable functional additive claim 1 , which at least one transferable functional additive is contained in an innermost porous inner layer of said at least one porous inner layer which has direct ...

Device for making foam pipes and method for making foam pipes

A device for making foam pipes and a method for making the foam pipes includes the use of critical micro foaming injection molding. The foaming agent and the foaming material are mixed and controlled under specific temperature to obtain micro bubbles in the wall of the foam pipes which need less material when compared with PVC pipes of same specification such that manufacturing cost is reduced.

HIGH PERFORMANCE MOLDABLE COMPOSITE

A method of making a Bi-Layer or Tri-layer moldable composite with nonwoven fabrics and a blown film layer is described. Also described is a composition that provides both superior acoustic performance and excellent flex modulus for among other things automotive products and applications for use in interior and exterior structures. A blowing agent is used to create micro porous cells in a polymer non-woven structure. The cells or voids make the material lighter and allow the material to have superior acoustic properties that are useful in automotive applications. 1. A thermo-formable composite consisting of:a first layer of a moldable nonwoven fabric; anda second layer of an extruded polymer film bonded to said first layer; said second layer having at least one region defining holes in said film for providing acoustic impedance.2. The thermo-formable composite of further including a third layer of a moldable nonwoven fabric.3. The thermo-formable composite of wherein the second layer of the extruded polymer film is juxtaposed between the first layer and third layer.4. The thermo-formable composite of wherein the first layer and third layer are made of similar material.5. The thermo-formable composite of wherein the first layer and third layer are made of different material.6. The thermo-formable composite of claim 1 , wherein the second layer of the extruded polymer film is selected from the group consisting of low density polyethylene (LDPE) claim 1 , liner low density polyethylene (LLDPE) claim 1 , high density polyethylene (HDPE) claim 1 , polypropylene (PP) claim 1 , polyvinylchloride (PVC) claim 1 , polyethylene terephthalate (PET) claim 1 , polyethylene terephalate glycol-modified (PETG) claim 1 , polyamide (Nylon) claim 1 , Ethylene Vinyl Acetate claim 1 , and any combination thereof.7. The thermo-formable composite of wherein the holes are microscopic holes.8. The thermo-formable composite of wherein the region defining holes creates a microporous open cell ...

HIGH PERFORMANCE MOLDABLE COMPOSITE

A moldable composite with high heat resistance and noise absorption properties utilizes nonwoven fabrics and a heat resistance additive. The composition that provides both superior acoustic performance and excellent flex modulus that may be utilized in automotive products and applications in interior and exterior structures. A blowing agent may be utilized to create micro porous cells in a polymer non-woven structure. The cells or voids make the material lighter and allow the material to have superior acoustic properties that are useful in automotive applications. 1. A formable automotive structural non-woven composite consisting of:a blend of fibers, the fibers having a plurality of high melt fibers and a plurality of low melt fibers to form a first nonwoven composite layer;the blend of fibers further including a carrier fiber made of polyethylene glycol (PETG), the PETG fiber is a non-flame retardant fiber containing an internal flame retardant selected from the group consisting of polyphosphonates, organophosphates, phosphonates, antimony trioxide and any combination thereof;the blend of fibers further having a physical properties including a flexural modulus sufficient for automotive structural use, and heat resistance to withstand automotive engine compartment conditions;the first nonwoven composite layer having improved acoustic impedance due to decreased nonwoven web pore sizes created by the low melt fibers when amorphous portions of the PETG are melted during bonding; andandwherein the formable composite is used as an automotive structural component for use in areas around the engine compartment or under the vehicle.2. The formable composite of further including a blown film layer attached to the first nonwoven composition layer to form a multi-layer nonwoven composite claim 1 , the blown film layer having controlled micro-porosity of the film for restricting air flow and furthering acoustic impedance properties.3. The formable composite of further ...

CROSSLINKED POLYOLEFIN RESIN FOAM

The cross-linked polyolefin resin foam of the present invention is obtained by cross-linking and foaming a polyolefin resin composition, the composition including a polyolefin resin-containing resin (A), azodicarbonamide (B), and at least one basic magnesium (C) selected from the group consisting of magnesium oxide and magnesium hydroxide, wherein the amount of basic magnesium (C) included in the polyolefin resin composition is 0.05 to 0.5 parts by mass relative to 100 parts by mass of the resin (A), and the basic magnesium (C) has an average particle diameter of 0.1 to 15 μm. 1. A cross-linked polyolefin resin foam obtained by cross-linking and foaming a polyolefin resin composition , the composition comprising a polyolefin resin-containing resin (A) , azodicarbonamide (B) , and at least one basic magnesium (C) selected from the group consisting of magnesium oxide and magnesium hydroxide ,wherein the amount of the basic magnesium (C) included in the polyolefin resin composition is 0.05 to 0.5 parts by mass relative to 100 parts by mass of the resin (A), andthe basic magnesium (C) has an average particle diameter of 0.1 to 15 μm.2. The cross-linked polyolefin resin foam according to claim 1 , wherein the amount of the azodicarbonamide (B) included in the polyolefin resin composition is 3 to 12 parts by mass relative to 100 parts by mass of the resin (A).3. The cross-linked polyolefin resin foam according to claim 1 , wherein the resin (A) comprises 50 mass % or more of a polypropylene resin as the polyolefin resin.4. The cross-linked polyolefin resin foam according to claim 3 , wherein the resin (A) further comprises 1 to 50 mass % of a polyethylene resin as the polyolefin resin.5. The cross-linked polyolefin resin foam according to claim 1 , wherein the foam has a density of 0.02 to 0.20 g/cm.6. A vehicle interior member obtained by further forming the cross-linked polyolefin resin foam according to .7. A method of manufacturing a cross-linked polyolefin resin foam ...

Snap-In Edge Trim Design for End Panels

An edge trim for display cases, and methods for making edge trim, are described. Instead of using tape or an adhesive to attach trim to the outer rims of end panels, a shape pattern is created in an extruded trim piece. Then polyurethane liquid can be added to the interior of the panel so that it also fills in the shape pattern. When the polyurethane solidifies into foam it will create a tight bond between the panels and the trim pieces. 1. An end panel for a refrigerated display case comprising:two end sheets being parallel and spaced apart from each other, each end sheet having an outer-facing surface, an inner-facing surface and an end surface, the end surface extending between the outer and inner surfaces;one or more bumpers attached to a periphery of the outer-facing surface of each end sheet proximate the end surface; a trim body comprising two slots, each of the two end sheets and attached bumper positioned in a respective slot via an interference fit, wherein the bumper is configured to create the interference fit of the two end sheets, the trim body further comprising a shape pattern formed in the trim body between the two slots; and', 'a trim skin surrounding substantially the entire circumference of the trim body the trim skin permanently affixed to the trim body; and, 'a snap-in trim connected to the two end sheets, with attached bumper, via an interference fit, wherein the two end sheets and the snap-in trim form a cavity therebetween, the snap-in trim comprisingan insulating, polyurethane foam positioned in the cavity and in the shape pattern of the trim body.2. The end panel of wherein the trim skin comprises virgin PVC.3. The end panel of wherein the trim body comprises recycled PVC.4. The end panel of further comprising a plurality of wood pieces disposed between the two end sheets.5. The end panel of wherein the two end sheets comprise metal.6. The end panel of wherein the shape pattern comprises a plurality of shapes claim 1 , and wherein at least ...

Porous Polyolefin Fibers

A polyolefin fiber that is formed by a thermoplastic composition containing a continuous phase that includes a polyolefin matrix polymer and nanoinclusion additive is provided. The nanoinclusion additive is dispersed within the continuous phase as discrete nano-scale phase domains. When drawn, the nano-scale phase domains are able to interact with the matrix in a unique manner to create a network of nanopores.

METHOD TO DIRECT COMPOUND EXTRUDED STRUCTURE FOR THE PRODUCTION OF IRRADIATION CROSSLINKED POLYPROPYLENE FOAM

Described herein are methods and processes of manufacturing irradiation crosslinked polypropylene foam. In some embodiments, this includes extrusion of all material components, including a liquid crosslinking agent, to manufacture extruded structures for production of irradiation crosslinked polypropylene foam. 1. A method of manufacturing an extruded structure , comprising:introducing resin into a feeder of an extruder;injecting a liquid crosslinking agent into the extruder using an injector at a location downstream of the feeder within 4 to 8 screw diameters of an axial length of the extruder;introducing a chemical blowing agent into the extruder at a location downstream of the location where the liquid crosslinking agent is injected into the extruder; andextruding a structure from the extruder.2. The method of claim 1 , further comprising irradiating the extruded structure to produce a crosslinked extruded structure.3. The method of claim 2 , further comprising foaming the crosslinked extruded structure to produce a foam structure.4. The method of claim 3 , wherein the foaming includes pre-heating the crosslinked extruded structure.5. The method of claim 4 , wherein the foaming includes using a salt bath as a heat source to activate the chemical blowing agent in the crosslinked extruded structure.6. The method of claim 3 , wherein the foaming includes using at least one of a radiant heater claim 3 , a hot air oven claim 3 , or microwave energy as a heat source to activate the chemical blowing agent in the crosslinked extruded structure.7. The method of claim 1 , wherein the chemical blowing agent is introduced into the extruder through a side stuffer downstream of a location where the liquid crosslinking agent is injected into the extruder.8. The method of claim 1 , wherein the resin introduced into the feeder has a non-powder form.9. The method of claim 8 , wherein the resin is formed as pellets claim 8 , granules claim 8 , chips claim 8 , flakes claim 8 , beads ...

MULTILAYER BATTERY SEPARATORS

A microporous battery separator is provided having a first co-extruded multilayered portion and a second co-extruded multilayered portion. The two portions are bonded together. In a preferred embodiment, the battery separator has two substantially identical multilayered portions bonded together face-to-face. Each of the two multilayered portions has at least one strength layer and at least one shutdown layer. Methods for making the battery separators are also provided. Preferably, a tubular multilayered film is extruded, and collapsed onto itself to form a multilayered battery separator precursor. The precursor is then bonded and annealed before it is stretched to form a microporous multilayer battery separator. 1. A method for making a multilayer battery separator comprising the steps of:co-extruding a tubular film with multiple layers;collapsing and face-to-face bonding the tubular film onto itself to form a battery separator precursor with two plies of the tubular film bonded face-to-face;annealing the precursor; andstretching the bonded and annealed precursor to form a microporous multilayer battery separator.2. The method of wherein said tubular film has two layers including a shutdown layer and a strength layer.3. The method of wherein said strength layer consists essentially of polypropylene claim 2 , and said shutdown layer consists essentially of polyethylene.4. The method of wherein said tubular film has three layers including two strength layers sandwiching a shutdown layer.5. The method of wherein said strength layer consists essentially of polypropylene claim 4 , and said shutdown layer consists essentially of polyethylene.6. The method of wherein said tubular film has four layers claim 1 , the first and fourth layers consisting essentially of polypropylene claim 1 , the second and third layers being bonded together and consisting essentially of polyethylene.7. The method of wherein said tubular film has six layers claim 1 , the second and fifth layers ...

Method for manufacturing a closure for a product-retaining container

A method for manufacturing a closure constructed for being inserted and securely retained in a portal-forming neck of a product-retaining container is provided. Such method may include intimately combining a plurality of particles comprising cork and having a specified particle size distribution with a plastic material including one or more thermoplastic polymers, optionally in combination with other constituent(s) to form a composition, heating the composition to form a melt, extruding or molding a closure precursor from the melt to provide a specified water content range, and optionally cutting and/or finishing the closure precursor. A composition for use in manufacturing a closure for a product-retaining container includes a plurality of particles comprising cork and having a specified particle size distribution with a plastic material including one or more thermoplastic polymer, optionally in combination with other constituent(s). Methods for producing particulate material, cork composite material, and additional methods for producing closures are also provided.

POLYMER FOAM AND USE THEREOF IN HOLLOW BODIES

A polymeric foam is described which can be obtained by extrusion of a composition comprising a) a polymer blend of polystyrene, polyphenylene oxide and/or polyphenyl ether, b) at least one blowing agent, and c) at least one nucleating agent, as well as the use thereof for the filling of hollow bodies, in particular in the form of a window or door profile, with foam. The invention also relates to foam-filled hollow bodies, extrudates, and a method for producing the polymeric foam. 1. A polymeric foam obtainable by extrusion of a composition comprisinga) a polymer blend of polystyrene, polyphenylene oxide and/or polyphenyl ether,b) at least one blowing agent, andc) at least one nucleating agent.2. The polymeric foam according to claim 1 , wherein the polymer blend has a glass transition temperature T(measured as specified in the description) of from about 110° C. to about 210° C. claim 1 , preferably from about 140° C. to about 170° C.3. The polymeric foam according to claim 1 , wherein the proportion of the polymer blend is from about 50 to 95 wt.-% claim 1 , preferably about 70 to about 95 wt.-% claim 1 , based on the total composition.4. The polymeric foam according to claim 1 , wherein the proportion of the polyphenylene oxide and/or the proportion of the polyphenyl ether is about 40 to 80 wt.-% claim 1 , preferably up to about 60 wt.-% claim 1 , based on the polymer blend.5. The polymeric foam according to claim 1 , wherein the blowing agent is at least one physical and/or at least one chemical blowing agent claim 1 , preferably at least one physical blowing agent.6. The polymeric foam according to claim 5 , wherein the proportion of the physical blowing agent is about 2 to 15 wt.-% claim 5 , preferably about 3 to 10 wt.-% claim 5 , and particularly preferably about 5 to 9 wt.-%.7. The polymeric foam according to claim 1 , wherein the at least one nucleating agent is selected from the group comprising CaCO(chalk) claim 1 , preferably in an amount of up to about ...

FOAMING MESH EXTRUSION AND METHOD FOR MAKING SAME

An extruded mesh that is activatable at predetermined temperatures for expansion when desired and a method for manufacturing same. The process includes providing an extrusion tool assembly where the flow of the polymer is interrupted intermittently to allow for the gaps in the mesh in the extrudate to assist with expansion. 1. An extruded mesh , comprising:at least one mesh member expanded in at least a horizontal and vertical direction, said mesh member formed of a predetermined expandable material operable for predetermined desired expansion in at least the horizontal and vertical directions at a predetermined temperature; anda plurality of gaps formed in the expanded mesh member in a predetermined repeating pattern.2. The extruded mesh of claim 1 , wherein said predetermined expandable material is an activatable material including at least one epoxy claim 1 , at least one elastomer claim 1 , at least one blowing agent claim 1 , at least one curing agent claim 1 , and claim 1 , optionally claim 1 , at least one filler.3. The extruded mesh of claim 1 , wherein the plurality of gaps are operable spaced to assist with the expansion of the at least one mesh member in the horizontal and vertical directions.4. The extruded mesh of claim 1 , wherein the plurality of gaps are arranged in a plurality of parallel rows.5. The extruded mesh of claim 1 , wherein the plurality of gaps are aligned in a plurality of parallel columns.6. The extruded mesh of claim 1 , wherein the plurality of gaps are slots through the at least one mesh member.7. The extruded mesh of claim 1 , wherein the plurality of gaps are each about 0.25 to 1 inches long.8. The extruded mesh of claim 1 , wherein the plurality of gaps are each at least about 0.2 mm wide.9. The extruded mesh of claim 1 , further comprising at least one fastener affixed in the extruded mesh.10. The extruded mesh of claim 1 , further comprising at least one non-expanded mesh member integrally formed with or operably affixed to at ...

POLYESTER-BASED RESIN FOAM AND METHOD FOR PRODUCING RESIN COMPOSITE

A resin composite having excellent strength is easily produced by using a resin foam having a specific surface roughness (Ra) as the core material of the resin composite. 1. A polyester-based resin foam for use in forming a resin composite in which a core material including a resin foam and a fiber-reinforced resin sheet are integrally laminated , and for use as said core material , whereinsaid fiber-reinforced resin sheet comprises a substrate sheet including a fiber woven fabric and a resin impregnated in said substrate sheet, anda surface on which said fiber-reinforced resin sheet is laminated has a surface roughness (Ra) of 2.5 μm or less.2. A method for producing a resin composite , comprising performing a laminating step of using a fiber-reinforced resin sheet and a core material including a resin foam , and integrally laminating said core material and said fiber-reinforced resin sheet to form the resin composite , whereinsaid fiber-reinforced resin sheet comprises a substrate sheet including a fiber woven fabric and a resin impregnated in said substrate sheet,said core material is a polyester-based resin foam having a surface roughness (Ra) of 2.5 μm or less, andin the laminating step, said fiber-reinforced resin sheet is laminated on a surface of said polyester based resin foam, the surface having said surface roughness (Ra)3. The method for producing a resin composite according to claim 2 , whereina sheet preparing step of extrusion foaming a polyester-based resin composition to prepare a polyester-based resin expanded sheet to be used as said core material, anda sheet smoothing step of smoothing a surface of said polyester-based resin expanded sheet obtained in the sheet preparing step, are performed,in the sheet preparing step, said polyester-based resin expanded sheet having a surface roughness (Ra) exceeding 2.5 μm is prepared,in the sheet smoothing step, a surface of said polyester-based resin expanded sheet is smoothed so that said surface roughness ( ...

Tear resistant mono-axially oriented propylene-based film

Described is a mono-axially oriented polyolefin film including a core or base layer containing a plurality of voids formed by a cavitating agent, wherein the film is oriented at least 4 times in the machine direction, and exhibits excellent tear resistance in the transverse direction.

FIBER REINFORCED MATERIAL

The present invention relates to exterior siding, trim and rigid architectural assemblies for buildings. 1. A composition comprising polymeric material reinforced with at least one continuous fiber oriented in a first direction within the polymeric material , wherein the at least one continuous fiber is bonded to the polymeric material , and wherein the at least one continuous fiber provides resistance to temperature-induced expansion and contraction along the direction of the at least one fiber.2. The composition of claim 1 , wherein the at least one continuous fiber is coated with an agent that bonds the fibers to the polymeric material.3. The composition of claim 1 , wherein the at least one continuous fiber is selected from the group consisting of co-mingled silicate based fiber and thermoplastic fiber claim 1 , non-comingled silicate based fibers claim 1 , non-comingled carbon based fibers and non-comingled polyamide based fibers.4. The composition of claim 3 , wherein the at least one continuous fiber is a silicate based fiber.5. The composition of claim 4 , wherein the silicate based fiber is a glass fiber.6. The composition of claim 3 , wherein the at least one continuous fiber is a co-mingled silicate based fiber and thermoplastic fiber.7. The composition of claim 6 , wherein the silicate based fiber is a glass fiber.8. The composition of claim 2 , wherein the agent that bonds the at least one continuous fiber to the polymeric material is polybutylene terephthalate.9. The composition of claim 1 , wherein the first direction is aligned with the direction at which the polymeric material is extruded.10. The composition of claim 1 , wherein the polymeric material is a cellular polymeric material selected from the group consisting of a cellular polyolefin claim 1 , a cellular polycarbonate claim 1 , a cellular polyvinyl chloride claim 1 , and mixtures and copolymers thereof.11. The composition of claim 1 , wherein the polymeric material is a polymeric material ...

PARTICLE FOAM DISTRIBUTED MANUFACTURING APPARATUS AND METHOD AND PARTICLE FOAM ARTICLES

A mobile platform including an extruder for melting and extruding materials for producing lightweight, compostable or biobased foams for various expandable materials. A mobile platform is described including a screw extruder for processing poly meric material, a housing with a longitudinal bore in which an extruder screw is coaxially fitted for rotation around an axis of the screw to advance the polymeric material through the bore by threads on the screw. A feed hopper, PLA hoist/feeder, standard EPS machine equipped with electric heating and related equipment are also provided on the mobile platform. Distributed manufacturing of low density protective packaging, insulation panels and thermal insulators is also described. 1. A portable extrusion system for the production of expanded particle foam , comprising a mobile support surface having an extruder securely attached thereto , the extruder having a front end and a back end connected by a tubular mid-section , at least one extruder screw contained within the extruder , a motor connected to the extruder screw , a power source connected to the motor , the extruder containing a fluid injection port , a container specifically adapted for containing gas and/or gas-forming fluid in fluid flow communication with the extruder through the injection port , heaters attached to the extruder including at least a portion the mid-section , a foam raw material feed port connected to the mid-section at the front end , and an extrusion die and pelletizer connected to the mid-section at the back end.2. The portable extrusion system of claim 1 , wherein the mobile support surface is a truck claim 1 , flatbed claim 1 , or trailer.3. The portable extrusion system of claim 1 , wherein the power source is an external power source or internal power supply connected to the motor.4. The portable extrusion system of claim 1 , wherein the extruder screw comprises a short compounding twin screw and a longer single extrusion screw in tandem.5. ...

METHOD AND DEVICE FOR DETERMINING A LAYER PROPERTY OF A LAYER IN AN EXTRUSION PROCESS

The invention relates to a method for determining at least one layer property of a layer to be determined, in particular a foam layer (), in an extrusion process, where a supply material () is at least partially foamed and an extrusion product () with the foam layer () is put out, comprising at least the following steps: 11616167216. Method for determining at least one layer property (n , wd) of a layer () to be determined regarding at least one property thereof in an extrusion process , whereby a supply material () is mixed or superimposed at least in part and an extrusion product () with the layer () to be determined is put out ,comprising at least the following steps:{'b': '2', 'a) irradiation of said extrusion product () using electro-magnetic radiation (S),'}{'b': '16', 'b) electro-magnetic measuring of at least one radiation (R) having travelled through said layer () to be determined,'}{'b': '7', 'c) measuring at least one feed-in rate (z) or feed-in volume of said supply material (), and'}{'b': 16', '16', '16, 'd) determining at least one layer property (n, wd) of said layer () to be determined from the measured feed-in volume (z) and the electro-magnetic measurement.'}2216. Method according to claim 1 , characterized in that in the extrusion process said extrusion product () is made of a plastics material and said at least one layer () to be determined is made of mixed plastics comprising at least two substances.31616. Method according to claim 2 , characterized in that claim 2 , as said layer () to be determined claim 2 , a foam layer () is investigated which is made from a plastics material with a gas during the extrusion.4. Method according to one of the preceding claims claim 2 , characterized in that claim 2 , as electro-magnetic radiation claim 2 , Terahertz radiation (S) claim 2 , in particular in a frequency range between 0.1 and 50 THz is irradiated.5151517172151716ababba. Method according to claim 4 , characterized in that a reflection measurement ...

FOAM SHEET USING CROSS-LINKED POLYLACTIC ACID, AND PREPARATION METHOD THEREOF

The present invention relates to a foam sheet using cross-linked polylactic acid and method of manufacturing the same, and more particularly a foam sheet using cross-linked polylactic acid and method of manufacturing the same with not only excellent waterproofing and workability but also relatively high foaming ratio and a uniform closed foam cell structure, by producing cross-linked polylactic acid resin in a fixed condition using composites comprising polylactic acid, cross linking agents, and/or co-crosslinking agents, and then forming a sheet shape in a fixed condition using composites comprising the cross-linked polylactic acid and foaming agents, and then foaming at relatively high temperature conditions. 1. A foam sheet comprising one or more resin layers comprising polylactic acid , polylactic acid comprised in the resin layer is cross-linked , and foaming cell is a closed structure.2. A foam sheet according to claim 1 , wherein the resin layer is formed from biodegradable resin composite comprising 0.001˜10 parts by weight of cross linking agent claim 1 , 0.1˜10 parts by weight of foaming agent per 100 parts by weight of polylactic acid.3. A foam sheet according to claim 1 , wherein the polylactic acid comprises one or more selected from L-polylactide claim 1 , D-polylactide claim 1 , and L claim 1 ,D-polylactide.4. A foam sheet according to claim 2 , wherein the cross linking agent is one or more of organic peroxide selected from dicumyl peroxide or perbutyl peroxide claim 2 , dimethyl di-t-butylperoxy hexane claim 2 , t-butylethylhexylmonoperoxy carbonate claim 2 , 1 claim 2 ,1 claim 2 ,-di(t-butylperoxy)-3 claim 2 ,3 claim 2 ,5-trimethylcyclohexane.5. A foam sheet according to claim 2 , wherein the foaming agent is one or more elements selected from azodicarbonamide claim 2 , p claim 2 ,p′-oxybisbenzenesulfonylhydrazide claim 2 , p-toluenesulfonylhydrazide claim 2 , and benzenesulfonylhydarazide.6. A foam sheet according to claim 2 , wherein the ...

COEXTRUDED, CROSSLINKED MULTILAYER POLYOLEFIN FOAM STRUCTURES FROM RECYCLED POLYOLEFIN FOAM MATERIAL AND METHODS OF MAKING THE SAME

A physically crosslinked, closed cell continuous multilayer foam structure comprising at least one polypropylene/polyethylene coextruded foam layer is obtained. The multilayer foam structure is obtained by coextruding a multilayer structure comprising at least one foam composition layer, irradiating the coextruded structure with ionizing radiation, and continuously foaming the irradiated structure. 1. A multilayer foam structure comprising:a coextruded first foam layer comprising polypropylene or polyethylene; and 5-50 wt. % recycled, crosslinked polyolefin foam material; and', '50-95 wt. % polypropylene, polyethylene, or a combination of polypropylene and polyethylene., 'a coextruded second foam layer on a side of the first foam layer, the second foam layer comprising2. The multilayer foam structure of claim 1 , further comprising a coextruded third foam layer on a side of the second foam layer opposite the first foam layer claim 1 , the third foam layer comprising polypropylene or polyethylene.3. The multilayer foam structure of claim 2 , wherein the first foam layer and the third foam layer are substantially free of recycled polyolefin material.4. The multilayer foam structure of claim 1 , wherein the recycled claim 1 , crosslinked polyolefin foam material comprises cryogenically pulverized polyolefin foam material.5. The multilayer foam structure of claim 1 , wherein the first layer comprises polypropylene with a melt flow index of 0.1-25 grams per 10 minutes at 230° C.6. The multilayer foam structure of claim 1 , wherein first layer comprises polyethylene with a melt flow index of 0.1-25 grams per 10 minutes at 190° C.7. The multilayer foam structure of claim 1 , wherein the density of the multilayer foam structure is 20-250 kg/m.8. The multilayer foam structure of claim 1 , wherein the multilayer foam structure has a crosslinking degree of 20-75%.9. The multilayer foam structure of claim 1 , wherein the multilayer foam structure has an average closed cell size ...

CABLE CORE AND TRANSMISSION CABLE

A cable core includes: an internal conductor; a foamed dielectric that includes a fluororesin and is formed on the internal conductor by extrusion molding; and a skin layer that covers the foamed dielectric, and is configured such that a foaming rate of the foamed dielectric is 80% or more, an average foamed cell diameter of the foamed dielectric is 10 μm or less, and a standard deviation of a foamed cell diameter of the foamed dielectric is 2.5 or less. 1. A cable core comprising:an internal conductor;a foamed dielectric that comprises a fluororesin and is formed on the internal conductor by extrusion molding; anda skin layer that covers the foamed dielectric,whereina foaming rate of the foamed dielectric is 80% or more,an average foamed cell diameter of the foamed dielectric is 10 μm or less, anda standard deviation of a foamed cell diameter of the foamed dielectric is 2.5 or less.2. The cable core according to claim 1 ,wherein a standard deviation of a cable core outer diameter mm of the cable core is 0.012 or less.3. The cable core according to claim 1 ,wherein the internal conductor is an ultra-fine wire of AWG 40 or greater.4. A transmission cable for transmitting a signal comprising a cable core according to .5. The cable core according to claim 2 ,wherein the internal conductor is an ultra-fine wire of AWG 40 or greater. The present invention relates to a transmission cable, such as a foamed coaxial cable, which is used, for example, for a medical instrument and the like, and a cable core constituting the transmission cable.In a coaxial cable which is used for an electric wire for communication, a foamed coaxial cable formed by constituting a dielectric, provided around a center conductor, by a foamed body has a small dielectric constant of the dielectric and enables high-speed transmission of a signal, and is thus used as a signal transmission cable. For example, in an example of the related art disclosed in Patent Document 1, a foamed insulating cable is ...

EMBOSSED POLYMER SHEET

A polymeric sheet comprising: a first surface and a second surface; and a first embossed pattern on at least one of the first surface or the second surface and method of preparing same is provided. In one aspect, the sheet comprises at least two protrusions, the at least two protrusions direct, impede, and/or control gas movement between the at least two protrusions when arranged in contact with a surface and externally compressed. In another aspect, the sheet is at least partially cross-linked and/or foamed. 1. A polymeric sheet comprising: a first surface and a second surface; and a first embossed pattern on at least one of the first surface or the second surface , wherein the embossed pattern is at least two protrusions , the at least two protrusions direct , impede , and/or control gas movement between the at least two protrusions when arranged in contact with a surface and externally compressed.2. The polymeric sheet of claim 1 , wherein the sheet is at least partially cross-linked.3. The polymeric sheet of claim 1 , wherein the sheet comprises a thermoplastic claim 1 , a curable elastomer claim 1 , or thermoplastic elastomer.4. The polymeric sheet of claim 1 , wherein the sheet comprises a closed-cell foam.5. The polymeric sheet of claim 1 , wherein the at least two protrusions comprise at one of:(a) an average height of about 1 millimeter to about 4 millimeter;(b) an average spacing there between of between 0 and about 50 millimeters; or(c) a height to width ratio (aspect ratio) of about 0.05 to about 0.4.6. The polymeric sheet of claim 5 , wherein the at least two protrusions comprise at least one of (a) or (b) in combination with (c).7. The polymeric sheet of claim 5 , wherein the sheet comprises a second embossed pattern on the second surface different from the first embossed pattern.8. The polymeric sheet of claim 7 , wherein the second embossed pattern is a plurality of pyramidal structures configured for contacting a flooring material.9. The polymeric ...

SHIM-STACK FOAMING DIE

A shim stack foaming die for making foam slabs comprises a plurality of shims that are layered together under pressure to form a shim stack, wherein the shims combine to collectively define a plurality of die orifices in a working face, to define a main body of the shim stack foaming die, and also to define a plurality of die cavity that is fluidly connected to the plurality of die orifices. And articles foamed from the shim stack foaming die have found wide use in various applications, thermal or acoustic insulation, reinforcing layers and/or space-filling layers, and so on. 1. A foaming die for extruding a molten foamable composition , comprising:a plurality of shims that are layered together under pressure to form a shim stack, the shims combining to collectively define a plurality of die orifices in a working face of the foaming die and to collectively define at least one die cavity that is configured to receive a molten foamable composition from an extrusion apparatus and that is fluidly connected to the die orifices.2. The foaming die of wherein the shim stack is comprised of at least about twenty shims3. The foaming die of wherein the shim stack is comprised of at least about two hundred shims.4. The foaming die of wherein the die orifices of the plurality of die orifices are spaced in a single row along a lateral axis of the foaming die.5. The foaming die of wherein the die orifices each exhibit an elongated shape with a long axis that is oriented at least substantially orthogonal to a lateral axis of the foaming die and that is at least substantially aligned with a height axis of the foaming die claim 1 , and wherein the die orifices each exhibit an orifice height to orifice width aspect ratio of at least about 4:1.6. The foaming die of wherein each shim of the plurality of shims exhibits a major plane that is at least substantially parallel to a thickness axis of the foaming die.7. The foaming die of wherein the plurality of shims includes a first shim set ...

Improving the chemical stability of filtration membranes

Polyethers (A), whose main chain essentially consists of repeating units of the formulae (1) and (2) in alternating order, are useful as an additive to a porous polymer membrane, or as the main polymer constituent of a porous polymer membrane, for stabilizing said membrane against detrimental effects of oxidizing agents and/or for improving the stability of a filtration module comprising said membrane against detrimental effects of oxidizing agents.

TEAR RESISTANT MONO-AXIALLY ORIENTED PROPYLENE-BASED FILM

Described is a mono-axially oriented polyolefin film including a core or base layer containing a plurality of voids formed by a cavitating agent, wherein the film is oriented at least 4 times in the machine direction, and exhibits excellent tear resistance in the transverse direction. 1. A mono-axially oriented polyolefin film comprising:a layer comprising a propylene-based polymer and a plurality of voids formed by a voiding agent, wherein the film is oriented at least 4 times in the machine direction.2. The mono-axially oriented film of claim 1 , wherein the voiding agent comprises a chemical foaming agent.3. The mono-axially oriented film of claim 2 , wherein the chemical foaming agent comprises 0.2-3 wt. % of the layer.4. The mono-axially oriented film of claim 2 , wherein the density of the film is 0.60-0.89 g/cm.5. The mono-axially oriented film of claim 2 , wherein the average void size of the plurality of voids is 5000-12 claim 2 ,000 μm in width along the MD axis.6. The mono-axially oriented film of claim 5 , wherein the standard deviation of the average void width is 2000 μm or less.7. The mono-axially oriented film of claim 2 , wherein the film has a thickness of 1.5-10 mil before foaming.8. The mono-axially oriented film of claim 2 , wherein the film has a thickness of 2.5-18.5 mil after foaming.9. The mono-axially oriented film of claim 1 , further comprising at least one skin layer.10. The mono-axially oriented film of claim 9 , wherein the at least one skin layer is unvoided.11. The monoaxially oriented film of claim 1 , wherein the voiding agent comprises 1-10 wt. % of the layer.12. The mono-axially oriented film of claim 11 , wherein the voiding agent comprises CaCO claim 11 , TiO claim 11 , silica particles claim 11 , or glass micro-beads inorganic void particles.13. The mono-axially oriented film of claim 11 , wherein the voiding agent comprises polybutylene terephthalate claim 11 , nylon claim 11 , polycarbonate claim 11 , polystyrene claim 11 , ...

Snap Ability Modifier For Biogradable Polyesters

The invention relates to an article comprising a monolayer or multilayer thermoplastic material, said material comprises (i) 38.00 to 99.95%, preferably 67.00 to 99.9%, more preferably 57.00 to 99.85%, by weight of polylactic acid, (ii) 0.05 to 4.90%, preferably 0.10 to 2.90%, more preferably 0.15 to 2.00%, even more preferably 0.2 to 1.00%, most preferably 0.25 to 0.75%, by weight of an epoxidized vegetable oil; (iii) 0 to 60.00%, preferably 0 to 40.00%, more preferably 0 to 30.00%, by weight of further additives selected from the group consisting of impact modifiers, plasticisers, crosslinking agents, foaming agents, fillers, colorants, stabilizers, lubricants, and mixtures thereof, the weight percentages being relative to total weight of the monolayer or multilayer thermoplastic material and adding up to 100%. 1. An article comprising a monolayer or multilayer thermoplastic material , wherein the material comprises(i) 38.00 to 99.95% by weight of polylactic acid,(ii) 0.05 to 4.90% by weight of an epoxidized vegetable oil;(iii) 0 to 60.00% by weight of further additives selected from the group consisting of impact modifiers, plasticisers, crosslinking agents, foaming agents, fillers, colorants, stabilizers, lubricants, and mixtures thereof,the weight percentages being relative to total weight of the monolayer or multilayer thermoplastic material and adding up to 100%.2. An article as claimed in claim 1 , wherein the material comprises:(i) 88.00 to 99.85% by weight of the polylactic acid,(ii) 0.15 to 2.00% by weight of the epoxidized vegetable oil;(iii) 0 to 10.00% by weight of the further additives selected from the group consisting of impact modifiers, plasticisers, crosslinking agents, foaming agents, fillers, colorants, stabilizers, lubricants, and mixtures thereof,the weight percentages being relative to total weight of the monolayer or multilayer thermoplastic material and adding up to 100%.3. The article as claimed in claim 1 , wherein the vegetable oil is a ...

CO-EXTRUDED, MULTI-LAYERED BATTERY SEPARATOR

A battery separator comprises a co-extruded, microporous membrane having at least two layers made of extrudable polymers and having: a uniform thickness defined by a standard deviation of <0.80 microns (μm); or an interply adhesion as defined by a peel strength >60 grams. 1. A battery separator comprising:a co-extruded, microporous membrane having at least two layers made of extrudable polymers and having a uniform thickness defined by a standard deviation of <0.80 μm.2. The battery separator of wherein a thickness of the at least two layers is in the range of 4-125 μm.3. The battery separator of wherein the thickness of the at least two layers is in the range of 4-50 μm.4. The battery separator of wherein an extrudable polymer of one of said at least two layers is the same or different than an extrudable polymer of another of said at least two layers.5. The battery separator according to wherein at least one of said extrudable polymers is a thermoplastic polymer.6. The battery separator according to wherein at least one of said extrudable polymers is selected from the group consisting of: polyolefins claim 1 , polyacetals claim 1 , polyamides claim 1 , polyesters claim 1 , polysulfides claim 1 , polyvinyl alcohols claim 1 , polyvinyl esters claim 1 , polyvinylidenes claim 1 , copolymers of the foregoing claim 1 , and blends thereof.7. The battery separator according to wherein at least one of said extrudable polymers further comprises a material added thereto.8. The battery separator according to wherein said material is selected from the group of materials adapted to do at least one of the following: lower the melting temperature of the extrudable polymers; improve the melt integrity of the membrane; improve the strength of toughness of the membrane; improve the antistatic properties of the membrane; improve the surface wettability of the separator; improve the surface tribology performance of the separator; improve the processing of the extrudable polymers; ...

FASTENABLE MEMBER FOR SEALING, BAFFLING OR REINFORCING AND METHOD OF FORMING SAME

There is disclosed a member for sealing, baffling and/or reinforcing components of an automotive vehicle. The assembly generally includes a carrier, an expandable material and at least one fastener. 1. A method of forming members for providing sealing , baffling or reinforcement to one or more structures , the method comprising:providing a carrier material comprising a rigid polymeric material, the carrier including a longitudinal axis and a plurality of extensions extending outward in direction from the longitudinal axis;disposing an expandable material upon the carrier material in a continuous manner such that the expandable material has a substantially consistent profile and thickness along the entirety of the carrier which receives it.2. A method as in wherein the step of forming the members includes cutting the carrier material and the expandable material to form the individual members.3. A method as in wherein the carrier material is provided as a strip or film of material and the expandable material is disposed upon the carrier material by extrusion.4. A method as in wherein the expandable material is disposed upon the carrier material by cross-head extrusion.5. (canceled)6. A method as in wherein a fastener is integrally formed of single material with the carrier.7. A method as in wherein the carrier material is provided by extrusion and the carrier material is extruded simultaneously with the expandable material claim 1 , the carrier material is extruded prior to the coextrusion of the expandable material upon the carrier or the carrier material is coextruded with the expandable material and the resulting coextrusion is further extruded to form the profile configuration.8. A method as in wherein the expandable material is adapted for forming a sealing material claim 1 , an acoustical material claim 1 , an adhesive claim 1 , a structural foam claim 1 , or a combination of at least two of the foregoing.9. A method as in wherein the carrier further includes a ...

EXTRUDED STYRENE RESIN FOAM AND METHOD FOR PRODUCING SAME

A styrene resin extruded foam includes a styrene resin, a flame retarder, a hydrofluoroolefin, an alcohol, and at least one selected from the group consisting of a saturated hydrocarbon having 3 to 5 carbon atoms, dimethyl ether, and alkyl chloride. An amount of the flame retarder is 0.5 to 8.0 parts by weight relative to 100 parts by weight of the styrene resin. The styrene resin extruded foam has an apparent density of 20 to 45 kg/mand a closed cell ratio of not less than 90%. An amount of the hydrofluoroolefin added is 65 to 90 mol % relative to 100 mol % in total of the hydrofluoroolefin and the alcohol which are added. An amount of the alcohol added is 10 to 35 mol % relative to 100 mol % in total of the hydrofluoroolefin and the alcohol which are added. 1. A styrene resin extruded foam , comprising:a styrene resin;a flame retarder;a hydrofluoroolefin;an alcohol; andat least one selected from the group consisting of a saturated hydrocarbon having 3 to 5 carbon atoms, dimethyl ether, and alkyl chloride,wherein an amount of the flame retarder is 0.5 to 8.0 parts by weight relative to 100 parts by weight of the styrene resin,{'sup': '3', 'wherein the styrene resin extruded foam has an apparent density of 20 to 45 kg/mand a closed cell ratio of not less than 90%,'}wherein an amount of the hydrofluoroolefin added is 65 to 90 mol % relative to 100 mol % in total of the hydrofluoroolefin and the alcohol which are added, andwherein an amount of the alcohol added is 10 to 35 mol % relative to 100 mol % in total of the hydrofluoroolefin and the alcohol which are added.2. The styrene resin extruded foam according to claim 1 , wherein an amount of the hydrofluoroolefin added to 100 parts by weight of the styrene resin is 3.0 to 14.0 parts by weight.3. The styrene resin extruded foam according to claim 1 , further comprising 1.0 to 5.0 parts by weight of graphite relative to 100 parts by weight of the styrene resin.4. The styrene resin extruded foam according to claim 1 , ...

Methods of producing polyolefin foam sheets and articles made thereof

A method of manufacturing a polyolefin foam sheet composition includes extruding a polyolefin sheet, irradiating the extruded sheet to obtain a physically crosslinked sheet, foaming the physically crosslinked sheet with heat to obtain a foamed layer, and skiving the foamed layer to obtain a foam sheet with at least one skived surface. The surface roughness of the skived surface of the foam sheet is different from the surface roughness of an unskived surface.

METHOD OF MAKING COEXTRUDED, CROSS-LINKED POLYOLEFIN FOAM WITH TPU CAP LAYERS

The present disclosure is directed to a physically crosslinked, closed cell continuous multilayer foam structure comprising at least one foam polypropylene/polyethylene layer with a TPU cap layer. The multilayer foam structure can be obtained by coextruding a multilayer structure comprising at least one foam composition layer with at least one cap composition layer, irradiating the coextruded structure with ionizing radiation, and continuously foaming the irradiated structure. 1. A method of forming a multilayer structure comprising: [ polypropylene, polyethylene, or a combination of polypropylene and polyethylene;', 'a chemical foaming agent; and, 'a first layer comprising, at least 40 wt % thermoplastic polyurethane (TPU); and', 'polypropylene, polyethylene, or a combination of polypropylene and polyethylene;, 'a second layer on a side of the first layer, the second layer comprising], 'coextrudingirradiating the coextruded layers with ionizing radiation; andfoaming the irradiated, coextruded layers.2. The method of claim 1 , wherein the first layer comprises 5-20 wt % TPU.3. The method of claim 1 , wherein the first layer comprises at least 70 wt % polypropylene claim 1 , polyethylene claim 1 , or a combination of polypropylene and polyethylene.4. The method of claim 1 , wherein the first layer comprises additives in an amount of 1-15 wt %.5. The method of claim 1 , wherein the second layer comprises additives in an amount of 1-8 wt %.6. The method of claim 1 , wherein the polypropylene has a melt flow index of 0.1-25 grams per 10 minutes at 230° C.7. The method of claim 1 , wherein the polyethylene has a melt flow index of 0.1-25 grams per 10 minutes at 190° C.8. The method of claim 1 , wherein the amount of chemical foaming agent in the first layer is 5-10 wt %.9. The method of claim 1 , wherein the chemical foaming agent comprises azodicarbonamide.10. The method of claim 1 , wherein the first layer comprises a crosslinking agent.11. The method of claim 10 , ...

COEXTRUDED, CROSSLINKED POLYOLEFIN FOAM WITH TPU CAP LAYERS

The present disclosure is directed to a physically crosslinked, closed cell continuous multilayer foam structure comprising at least one foam polypropylene/polyethylene layer with a TPU cap layer. The multilayer foam structure can be obtained by coextruding a multilayer structure comprising at least one foam composition layer with at least one cap composition layer, irradiating the coextruded structure with ionizing radiation, and continuously foaming the irradiated structure. 1. A multilayer foam structure comprising:a coextruded foam layer comprising polypropylene, polyethylene, or a combination of polypropylene and polyethylene; and at least 40 wt % thermoplastic polyurethane (TPU); and', 'polypropylene, polyethylene, or a combination of polypropylene and polyethylene., 'a coextruded cap layer on a side of the foam layer, the cap layer comprising2. The multilayer foam structure of claim 1 , wherein the coextruded foam layer comprises 5-20 wt % TPU.3. The multilayer foam structure of claim 1 , wherein the coextruded foam layer comprises at least 70 wt % polypropylene claim 1 , polyethylene claim 1 , or a combination of polypropylene and polyethylene.4. The multilayer foam structure of claim 1 , wherein the foam layer comprises additives in an amount of 1-15 wt %.5. The multilayer foam structure of claim 1 , wherein the cap layer comprises additives in an amount of 1-8 wt %.6. The multilayer foam structure of claim 1 , wherein the polypropylene has a melt flow index of 0.1-25 grams per 10 minutes at 230° C.7. The multilayer foam structure of claim 1 , wherein the polyethylene has a melt flow index of 0.1-25 grams per 10 minutes at 190° C.8. The multilayer foam structure of claim 1 , wherein the density of the multilayer foam structure is 20-250 kg/m.9. The multilayer foam structure of claim 1 , wherein the multilayer foam structure has a crosslinking degree of 20-75%.10. The multilayer foam structure of claim 1 , wherein the multilayer foam structure has an average ...

PROTECTIVE FOAM LAYER FOR ACTIVITY SURFACES

Foam pads and method for making foam pads for use under an activity surface which meet or exceed G-max and HIC criteria under ASTM F1292-17 for playground equipment at heights of at least 9 to 12 feet and/or wherein the thickness loss of such pads at approximately one hour after removal of a 75 lb./in.load applied to the pad at 25% deflection for one hour pursuant to ASTM D3575-08 Suffix B is less than 7%. 1. A foam pad comprising a pad having a density ranging from about 0.5 pound per cubic foot (lb./ft) and about 4 lb./ft , a thickness ranging from about 0.5 inches to about 3 inches , and an HIC rating of less than 1000 and a G-max rating of less than 200 based on ASTM F1292-17 at a maximum fall height of from about 9 feet to about 12 feet.2. The foam pad of wherein the pad has a composition of at least 95% by weight polyethylene.3. The foam pad of wherein the pad has a composition of at least 70% by weight polyethylene and from about 20% by weight to about 30% by weight of a member selected from the group consisting of a plant-based polyol claim 1 , crosslinked polypropylene claim 1 , and combinations thereof.4. The foam pad of wherein the maximum fall height used with ASTM F1292-17 testing is at least 10 feet.5. The foam pad of wherein more than 50% by weight of the polyethylene is recycled polyethylene.6. The foam pad of wherein the pad has a density ranging from about 1.25 lb./ftto about 1.75 lb./ft.7. The foam pad of further comprising a plurality of drainage holes extending through the thickness of the foam pad wherein the drainage rate of the pad is at least 35 gallons per square yard per hour.8. A method of making a foam pad for use under an activity surface claim 1 , the method comprising the steps of:a. extruding a composition comprising at least 70% by weight of a polyolefin or combination of polyolefins through a die to form foam;{'sup': '3', 'b. adding a blowing agent to the foam so that the foam expands to a thickness of from about 0.5 inches to ...

System and method for producing plastic products from recycled mixed plastic waste and plastic product

System and method for producing plastic products from a recycled plastic mix of unidentified, unclean and unsorted mixed plastic waste comprises the thermal and mechanical processing of the recycled plastic waste using continuous extrusion foaming, two-phase cooling, continuous metering of the pulling strength and automatic adjustment of the pulling speed and extrusion speed. 1. A system for producing plastic products from recycled mixed plastic waste comprising a system for mixing raw materials , a first conveyor , a hopper , a second conveyor , a fine mixer with a weighing system , a control panel , an extruder , a system of calibration matrices on a calibration table , a water-cooling bath , a pultrusion machine with a converter and an electric motor with a reducer , and an automatic cutter , wherein:the extruder comprises a motor; a gearbox; a frame; cooling ventilators; a screw that has a feeding zone, a compression zone, and a mixing zone; a barrel that includes multiple heating zones; an extrusion head; a die; and a head extension that is also used as the first cooling zone;the system of calibration matrices comprising a first calibration matrix that is connected to the extrusion head extension; a second calibration matrix, third calibration matrix, a forth calibration matrix, each of them comprising a bottom, a lid and two sides and that are rigidly fixed to one another, thus forming an inner chamber of the matrices; and cooling channels;the pultrusion machine constantly measuring pulling strength and pulling speed and adjusting extrusion speed automatically.2. The system according to claim 1 , wherein the feeding zone and the compression zone of the extruder together do not exceed a half of the screw's length and the volume of the mixing zone does not exceed one-third of the volume of the feeding zone.3. The system according to claim 1 , wherein the extruder has three temperature zones:in the first zone, being the barrel, the temperature is kept at ...

FRACTURING LIQUID DELIVERY HOSE FOR RECOVERY OF SHALE OIL AND GAS, AND MANUFACTURING METHOD AND CO-EXTRUSION MOLD THEREOF

A fracturing liquid delivery hose for recovery of shale oil and gas, and manufacturing method and co-extrusion mold thereof are provided. The method includes extrusion of a cover layer with a first adhesive layer and an inner lining layer with a second adhesive layer, formation of an enhancement layer, heating and pressurizing for bonding between the cover layer and the enhancement layer and between the inner lining layer and the enhancement layer, so that the formed fracturing liquid delivery hose has resistance at least to high pressure and chemical corrosion. The cover layer and the inner lining layer can use different types of materials. 110.-. (canceled)11. A method for manufacturing a liquid delivery hose , the method comprising:forming a first tube including a cover layer and a first adhesive layer, the first adhesive layer being attached outside the cover layer;forming a second tube including a lining layer and a second adhesive layer, the second adhesive layer being attached outside the lining layer;obtaining a third tube having an inner surface and an outer surface;forming a fourth tube by bonding the first adhesive layer of the first tube with the inner surface of the third tube;turning the fourth tube inside out such that the cover layer becomes an outer layer of the turned fourth tube and the outer surface of the third tube becomes an inner layer of the turned fourth tube; andforming the liquid deliver hose by bonding the second adhesive layer of the second tube with the inner layer of the turned fourth tube.12. The method of claim 11 , wherein forming a first tube including a cover layer and a first adhesive layer comprising:extruding, by a first part of a co-extrusion mold, a plurality of first particles to form the cover layer;extruding, by a second part of the co-extrusion mold, a plurality of second particles to form the first adhesive layer; andforming the first tube by bonding the cover layer with the first adhesive layer.13. The method of claim ...

SEALING DEVICE FOR CONTROLLING THE PRESSURE OR FLOW RATE IN A TUBE, AND METHOD FOR MANUFACTURING A TUBE

The sealing device () comprises a tubular sleeve () that can be radially deformed between a rest configuration and an inflated configuration; a fluid inlet fluidly fluidically connected to an inner chamber delimited by the tubular sleeve (); an inner reinforcement casing () arranged around the tubular sleeve () and comprising a first inner reinforcement layer () consisting of reinforcement wires () wound helically around the tubular sleeve () in a first winding direction, and a second inner reinforcement layer () consisting of reinforcement wires () wound helically around the first inner reinforcement layer () in a second winding direction; and an outer reinforcement casing () arranged around the inner reinforcement casing (), the outer reinforcement casing () comprising at least one outer reinforcement layer () consisting of reinforcement wires () extending parallel to the axis of extension (A) of the tubular sleeve (). 1. A sealing device for sealing or adjusting the pressure or the flow rate in a tube , comprising:{'b': 1', '2', '1, 'an inflatable tubular sleeve having an axis of extension (A) and delimiting at least partially an internal chamber, the inflatable tubular sleeve being flexible and deformable radially between a rest configuration wherein the inflatable tubular sleeve has a first maximum external diameter (D) and an inflated configuration wherein the inflated tubular sleeve has a second maximum external diameter (D) greater than the first maximum external diameter (D),'}a fluid inlet fluidly connected to the internal chamber and intended to be connected to an inflation fluid source, the fluid inlet being configured to supply, in use, the internal chamber with inflation fluid so as to deform radially the inflatable tubular sleeve in its inflated configuration,an internal reinforcement casing disposed around the inflatable tubular sleeve, the internal reinforcement casing comprising at least:{'b': '10', 'a first internal reinforcing layer which is ...

THERMAL MOLDING SHEET AND MOLDED ARTICLE

The present invention provides a thermal molding sheet having a thickness of 1 mm or more and formed by a polypropylene resin composition comprising: 5 to 97 wt % of a polypropylene resin (A) whose MFR and melt tension satisfy specific conditions and which has a long-chain branch structure; 1 to 93 wt % of a polypropylene resin (B) whose MFR satisfies specific conditions; 1 to 40 wt % of a thermoplastic elastomer (C); and 1 to 40 wt % of a filler (D). 1. A thermal molding sheet having a thickness of 1 mm or more and comprising a polypropylene resin composition , wherein:the polypropylene resin composition comprises 5 to 97 wt % of a polypropylene resin (A) having a long-chain branch structure, 1 to 93 wt % of a polypropylene resin (B), 1 to 40 wt % of a thermoplastic elastomer (C), and 1 to 40 wt % of a filler (D); andthe polypropylene resin (A) has the following properties (A-i) and (A-ii), and the polypropylene resin (B) has the following properties (B-i) and (B-ii),Property (A-i): a melt flow rate (MFR) measured at 230° C. under a load of 2.16 kg is 0.1 to 30 g/10 min, [{'br': None, 'log(MT)≥−0.9×log(MFR)+0.7, or'}, {'br': None, 'log(MT)≥1.15,'}], 'Property (A-ii): a melt tension (MT) (unit: g) satisfies'}Property (B-i): a melt flow rate (MFR) measured at 230° C. under a load of 2.16 kg is 0.1 to 9.5 g/10 min, [{'br': None, 'log(MT)<−0.9×log(MFR)+0.7, and'}, {'br': None, 'log(MT)<1.15'}], 'Property (B-ii): a melt tension (MT) (unit: g) satisfies'}2. The thermal molding sheet according to claim 1 , wherein the polypropylene resin (A) having the long-chain branch structure has the following property (A-iii):{'sup': '13', 'Property (A-iii): an mm fraction of propylene unit triad sequences measured by C-NMR is 95% or more.'}3. The thermal molding sheet according to claim 1 , wherein the thermoplastic elastomer (C) is an ethylene-α-olefin copolymer.4. The thermal molding sheet according to claim 1 , wherein the filler (D) is at least one selected from the group ...

TRANSFER ROLLER, AND PRODUCTION METHOD FOR THE TRANSFER ROLLER

An inventive transfer roller () is made of a foam formed from an electrically conductive rubber composition containing an electrically conductive rubber, a crosslinking component, and a foaming agent including OBSH and 0.25 to 2.5 parts by mass of sodium hydrogen carbonate based on 1 part by mass of OBSH, and has an Asker-C hardness of not lower than 25 degrees and not higher than 35 degrees and an average foam cell diameter of not greater than 120 μm. Therefore, the transfer roller is flexible with a lower rubber hardness, and has smaller foam cell diameters. An inventive production method includes the steps of: forming the electrically conductive rubber composition into a tubular body; and maintaining the tubular body at a temperature of not lower than 120° C. and not higher than 140° C. to foam the rubber by a single-stage foaming process. 1. A transfer roller comprising a foam formed from an electrically conductive rubber composition which comprises a rubber component , a crosslinking component for crosslinking the rubber component , and a foaming agent including 4 ,4′-oxybisbenzenesulfonylhydrazide (OBSH) and not less than 0.25 parts by mass and not greater than 2.5 parts by mass of sodium hydrogen carbonate based on 1 part by mass of 4 ,4′-oxybisbenzenesulfonylhydrazide (OBSH) for foaming the rubber component , the transfer roller having an Asker-C hardness of not lower than 25 degrees and not higher than 35 degrees and an average foam cell diameter of not greater than 120 μm.2. The transfer roller according to claim 1 , wherein the rubber component comprises ion-conductive epichlorohydrin rubber.3. The transfer roller according to claim 2 , wherein the rubber component comprises the epichlorohydrin rubber claim 2 , and at least one rubber selected from the group consisting of styrene butadiene rubber claim 2 , ethylene propylene diene rubber claim 2 , acrylonitrile butadiene rubber claim 2 , chloroprene rubber claim 2 , butadiene rubber and acryl rubber.4. ...

Low compression-force tpe weatherseals

A weatherseal has a stiffener and a foam profile. A first portion of the foam profile is connected to the stiffener. A second portion of the foam profile is joined to the first portion at a hinge. The first and second foam profile portions have inner surfaces facing substantially towards each other and outer surfaces facing substantially away from each other. The foam profile defines at least one continuous elongate lumen. A portion of the foam profile has a resin coating.

FIBER REINFORCED MATERIAL

The present invention relates to exterior siding, trim and rigid architectural assemblies for buildings. 133-. (canceled)34. A method to produce a composition comprising cellular polymeric material reinforced with at least one continuous fiber oriented in a first direction within the cellular polymeric material , wherein the at least one continuous fiber is bonded to the polymeric material , and wherein the at least one continuous fiber provides resistance to temperature-induced expansion and contraction along the direction of the at least one fiber comprising the steps of:a. providing a starting mixture comprising polymeric resin powder or pellets and a blowing agent;b. heating the starting mixture;c. extruding the starting mixture through a form;d. combining the extrudate with at least one continuous fiber coated with an agent that bonds the fibers to the cellular polymeric material;e. passing the extrudate combined with the at least one continuous fiber in to a calibration chamber, allowing the combined extrudate to form cellular PVC reinforced with at least one continuous fiber oriented in a first direction within the cellular polymeric material, and allowing the cellular polymeric material reinforced with at least one continuous fiber oriented in a first direction within the cellular polymeric material to reach its final desired dimensions as defined by the calibration chamber dimensions; andf. cooling the cellular polymeric material reinforced with at least one continuous fiber oriented in a first direction within the cellular polymeric material, and cutting the cellular polymeric material to the desired length.35. The method of claim 34 , wherein the at least one continuous fiber is coated with an agent that bonds the fibers to the cellular polymeric material.36. The method of claim 34 , wherein the at least one continuous fiber is selected from the group consisting of co-mingled silicate based fiber and thermoplastic fiber claim 34 , non-comingled silicate ...

Low heat build-up capstock system and extrusion technology for solid and foamed profiles in dark colors

A weatherable, low heat build-up capstock system comprising an acrylic cap, a pigment system that is IR transparent to a greater degree than existing pigment systems, an IR reflective substrate, and an extrusion system for same. 155-. (canceled)56. A heat build-up resistant extrudate with a dark-colored capstock , comprising:an IR reflective substrate portion formed of a first thermoplastic resin that is substantially reflective of solar infrared radiation, a dark-colored capstock portion that is formed of a second thermoplastic resin that is significantly transmissive of solar infrared radiation and that covers at least a portion of the reflective substrate, and wherein the extrudate exhibits a predicted horizontal heat build-up under ASTM D4803 of less than about 58 degrees Fahrenheit.57. The extrudate with a dark-colored capstock of claim 56 , wherein claim 56 , the dark-colored capstock portion is less than about 30 thousandths of an inch thick claim 56 , and the first thermoplastic resin contains greater than about 8 parts TiOper hundred parts base resin.58. The extrudate with a dark-colored capstock of claim 57 , wherein the dark-colored capstock is less than about 20 thousandths of an inch thick.59. The extrudate with a dark-colored capstock of claim 57 , wherein the dark-colored capstock is less than about 10 thousandths of an inch thick and the first thermoplastic resin contains between 8 and 11 parts TiOper hundred base resin.60. The extrudate with a dark-colored capstock of claim 57 , wherein the dark-colored capstock is between about 4 thousandths and about 8 thousandths of an inch thick and the first thermoplastic resin contains between 8 and 11 parts TiOper hundred base resin.61. The extrudate with a dark-colored capstock of claim 56 , further comprising a base portion formed of a third thermoplastic resin claim 56 , wherein claim 56 , the IR reflective substrate portion covers at least part of the surface of the base portion claim 56 , and the dark- ...

POLYOLEFIN RESIN FOAM SHEET AND ADHESIVE TAPE

There is provided a polyolefin resin foam sheet formed by foaming a polyolefin resin, wherein the expansion ratio of the foam sheet is 1.5 to 20 cm/g, the average cell sizes in the MD direction and the TD direction of the foam sheet are 130 μm or less, and the following formulas (1) and (2) are satisfied: 1. A polyolefin resin foam sheet formed by foaming a polyolefin resin , the foam sheet having the expansion ratio of 1.5 to 20 cm/g , the foam sheet having the average cell sizes of 130 μm or less in the MD direction and the TD direction respectively , and satisfying the following formulas (1) and (2):{'br': None, 'i': T', '/D≥, 'sub': 'M', '6\u2003\u2003(1); and'}{'br': None, 'i': T', '/D≥, 'sub': 'T', '5\u2003\u2003(2), where'}{'sub': 'M', 'Tdenotes the tensile strength at 90° C. in the MD direction,'}{'sub': 'T', 'Tdenotes the tensile strength at 90° C. in the TD direction, and'}{'sup': '3', 'D denotes the density (g/cm) of the foam sheet.'}2. The polyolefin resin foam sheet according to claim 1 , wherein the shear strength at 90° C. is 0.3 to 10 MPa.3. The polyolefin resin foam sheet according to claim 1 , wherein the 25% compressive strength is 10 to 1 claim 1 ,000 kPa.4. The polyolefin resin foam sheet according to claim 1 , wherein the tensile strength at 23° C. in the MD direction is 0.5 to 35 MPa.514. The polyolefin resin foam sheet according to claim claim 1 , wherein the tensile strength at 23° C. in the TD direction is 0.5 to 30 MPa.615. The polyolefin resin foam sheet according to claim claim 1 , wherein the thickness is 0.02 to 0.8 mm.7. The polyolefin resin foam sheet according to claim 1 , wherein the gel fraction is 5 to 60% by mass.8. An adhesive tape having a pressure sensitive adhesive layer provided on at least one surface of the polyolefin resin foam sheet according to . The present invention relates to a polyolefin resin foam sheet obtained by foaming a polyolefin resin and an adhesive tape using the same.In electronic equipment having a ...

Process for Flexibly Manufacturing Wetsuit or Garment by Integrally Forming a Functional Surface Layer on a Rubber Foam Subtrate

A process for flexibly making a wetsuit or the like is disclosed by integrally forming a functional surface layer on a rubber foam substrate sheet, thereby rendering the function of the surface layer for the wetsuit or the like. 1. A process for flexibly manufacturing a wetsuit or the like comprising:Preparing a functional surface layer;Preparing a rubber foam substrate sheet; andIntegrally forming said functional surface layer to said rubber foam substrate sheet to obtain a composite sheet, which is subjected for vulcanization foaming to produce a rubber foam composite product; and further processed to be a wetsuit or the like.2. A process according to claim 1 , wherein said functional surface layer is pre-formed as a functional surface-layer sheet member as extruded through a plurality of rollers.3. A process according to claim 2 , wherein said functional surface-layer sheet member is made of a functional surface layer material.4. A process according to claim 3 , wherein said functional surface layer material comprises at least a functional ingredient added into a formula for making the functional surface layer.5. A process according to claim 4 , wherein said formula for making said functional surface layer comprises: a synthetic rubber selected from: CR claim 4 , EPDM and CSM; calcium carbonate; mica powder; zinc oxide; magnesium oxide; foaming agent; promoter; and at least one said functional ingredient.6. A process according to claim 4 , wherein said functional ingredient is an anti-UV organic or inorganic color pigment. As shown in , a rubber foam product is made by the following steps:The raw material of rubber foam compound (R) as above-mentioned may include: Chloroprene Rubber (CR), or Natural Rubber (NR), or Styrene-Butadiene Rubber (SBR); carbon black; mineral fillers, foaming agent and other additives. Since the extruded green rubber foam sheet (P) is a conventional rubber foam sheet and appears a black color as blended with carbon black in the compound. ...

Absorbent article containing a nonwoven web formed from a porous polyolefin fibers

An absorbent article containing a nonwoven web that includes a plurality of polyolefin fibers is provided. The polyolefin fibers are formed by a thermoplastic composition containing a continuous phase that includes a polyolefin matrix polymer and nanoinclusion additive is provided. The nanoinclusion additive is dispersed within the continuous phase as discrete nano-scale phase domains. When drawn, the nano-scale phase domains are able to interact with the matrix in a unique manner to create a network of nanopores.

Process for forming an insulated container having artwork

A container is formed to include and interior region and a mouth opening into the interior region. The container includes a floor, a side wall coupled to the floor to define the interior region between the floor and the side wall, and artwork on the side wall.

Process for forming an insulated container having artwork

A container is formed to include and interior region and a mouth opening into the interior region. The container includes a floor, a side wall coupled to the floor to define the interior region between the floor and the side wall, and artwork on the side wall.

Process for forming an insulated container having artwork

A container is formed to include and interior region and a mouth opening into the interior region. The container includes a floor, a side wall coupled to the floor to define the interior region between the floor and the side wall, and artwork on the side wall.

Process for forming an insulated container having artwork

A container is formed to include and interior region and a mouth opening into the interior region. The container includes a floor, a side wall coupled to the floor to define the interior region between the floor and the side wall, and artwork on the side wall.

Process for forming an insulated container having artwork

A container is formed to include and interior region and a mouth opening into the interior region. The container includes a floor, a side wall coupled to the floor to define the interior region between the floor and the side wall, and artwork on the side wall.

중공 구조를 포함하는 수지 발포체 및 이의 제조방법

본 발명은 중공 구조를 포함하는 폴리에스테르 수지 발포체 및 이의 제조방법에 관한 것으로, 본 발명에 따른 폴리에스테르 수지 발포체는 발포체 내부에 중공 구조를 포함함으로써, 발포체의 무게를 경량화할 뿐만 아니라 우수한 단열성을 구현할 수 있다.

Insulated container and methods of making and assembling

A multi-layer sheet for forming an expanded foam container, the multi-layer sheet including a first layer of an expanded foam material including a first polyolefin-based material including at least one polypropylene-based polymer and a second layer of an unexpected material including a second polyolefin-based material including at least one polypropylene-based polymer that is co-extruded, extrusion coated, or laminated on a first side of the first layer.

Biodegradable resin foam sheet, preparation method thereof and the tray for packing food using the same

The present invention relates to a biodegradable resin foam sheet, a preparation method thereof, and a tray for packing food using the same. According to the present invention, a foaming mixture obtained by mixing a polymer resin, a biodegradation agent, a crosslinking agent, crosslinking auxiliary agent, a compatibilizer, an oxidation promoter, a heat transfer promoter, a freshness maintenance composition, an antimicrobial composition, and an antioxidant composition is prepared to form a foamed body; and the foamed body is extruded to form a sheet to obtain the biodegradable resin foam sheet. The tray for packing food uses the biodegradable resin foam sheet, so as to improve the freshness, safety, and cleanliness of food through the antimicrobial, antioxidant, and freshness maintenance functions of the biodegradable resin foam sheet.

Multi-component synthetic closure and method of manufacture thereof

A multi-component synthetic closure and/or a rod-shaped intermediate product which incorporate printed indicia comprising ink that is invisible under normal lighting and/or temperature conditions and a continuous, in-line manufacturing process therefor are described. In the preferred embodiment of the present disclosure, the core member of the synthetic closure and/or the rod-shaped intermediate product can be formed by a continuous extrusion process which enables the core to be manufactured as an elongated, continuous length of material. As the continuous elongated length of extruded material forming the central core is advanced from the extruder towards an outer skin forming station, the central core passes through a printing station for forming any desired indicia among which can be a registration mark that can be invisible under normal lighting and/or temperature conditions on the outer surface of the central core prior to the application of the outer skin layer.

Process for enabling secondary expansion of expandable beads

The present invention enables the secondary expansion of lightweight foamed beads. The foamed beads are produced using a compound comprising a compostable or biobased polyester and a physical blowing agent as well as a chemical blowing agent. Secondary expansion can be used either to lower the density of the foamed bead further or to enable expansion of the beads during molding to promote fusion. The foam beads can be produced using conventional melt processing techniques, such as single and twin-screw extrusion processes.

A processing aid for foam molding, a vinyl chloride resin-based foam molding composition containing the same,

에틸 메타크릴레이트 및 프로필 메타크릴레이트로 구성되는 군으로부터 선택되는 1종 이상의 단량체 50 중량% 내지 100중량%, 및 다른 공중합가능한 단량체 0 내지 50중량%의 중합에 의해 수득된 공중합체를 포함하되, 공중합체가 하기 특성을 갖는, 발포 성형용 가공 조제가 제공된다: (a) 25℃에서 클로로포름 내 1 mg/mL에서 ASTM D2857에 따라 측정된 8dL/g 초과의 환원 점도 및 (b) 77℃ 이하의 Tg.

Compressible adjunct

A compressible adjunct has a first portion, a second portion, and a middle portion. The middle portion is disposed between the first portion and the second portion. The middle portion comprises a first pillar, a second pillar, and an interconnecting member. The first pillar and the second pillar extend substantially between the first portion and the second portion. The interconnecting member is configured to engage at least the first pillar and the second pillar. When the compressible adjunct is compressed by a force, the first pillar is configured to deflect a first deflection and the second pillar is configured to deflect a second deflection. The first deflection differs from the second deflection.

Sole of Shoes

The present invention relates to a sole of a shoe and, more specifically, to a sole of a shoe consisting of an outsole (1) and a midsole (2). The outsole (1) is manufactured by foaming an outsole composition comprising 25-35 wt% of rubber, 15-20 wt% of a filler, 3-6 parts by weight of a foaming agent, 1-4 wt% of a cross-linking agent and residual ethylene vinyl acetate copolymer. The sole of a shoe according to the present invention has excellent wear resistance and non-slip properties, excellent impact absorption and excellent weight lightening.

Method for producing styrene resin extruded foam

두께 방향 개방도가 a(㎜)인 다이 슬릿부를 구비하는 압출기로 스티렌계 수지 조성물을 가열 용융시키고, 발포제를 배합한 발포성 용융물을 다이 슬릿부로부터 저압 영역에 압출 발포하여 판상으로 성형하여, 밀도 20㎏/㎥ 이상 45㎏/㎥ 이하, 독립 기포율 90% 이상, 두께 A(㎜) 10㎜ 이상 150㎜ 이하의 스티렌계 수지 압출 발포체를 얻을 때, 하이드로플루오로올레핀과 다른 유기 발포제를 포함하는 발포제를 사용하여, 다이 슬릿부의 두께 방향 개방도 a와 스티렌계 수지 압출 발포체의 두께 A의 두께 확대비 A/a를 18 이하로 하고, 또한 다이 슬릿부로부터 압출되기 직전의 발포성 용융물을 4.5㎫ 이상 10.0㎫ 이하로 가압하는, 스티렌계 수지 압출 발포체의 제조 방법.

Insulating foam, and apparatus for manufacturing the same

The present invention relates to a foam insulation and a manufacturing apparatus thereof. The foam insulation comprises: a foam body having first porosities formed of the first number of independent bubbles per unit volume being formed therein, and having a hollow thereinside; a first skin layer formed on one lateral surface of the foam body and having second porosities formed of the second number of independent bubbles per unit volume which is smaller than the first number per unit volume; and a second skin layer formed on another surface facing the lateral surface of the foam body and having third porosities formed of the third number of independent bubbles per unit volume smaller than the first number per unit volume. Thus, the present invention may provide a foam insulation and a manufacturing method thereof which have a very small volume and a great performance in insulation, are conveniently treated, and prevent a rise in the cost of production caused by a flame retardancy and a material loss.

Method for producing polyethylene-based resin extruded foamed sheet, polyethylene-based resin-extruded foamed sheet and diaper for glass plate using the same

저밀도 폴리에틸렌, 물리 발포제 및 대전 방지제를 혼련하여 이루어지는 발포성 용융 수지 조성물을 압출하고 발포시켜서 폴리에틸렌계 수지 압출 발포 시트를 제조하는 방법으로서, 발포 시트의 두께가 0.05~0.5㎜의 범위 내이고, 대전 방지제로서 저밀도 폴리에틸렌과의 융점차가 -10~+10℃의 범위 내인 융점을 갖고, 또한 멜트 플로우 레이트가 10g/10분 이상인 고분자형 대전 방지제를 사용하는 것을 특징으로 하는 폴리에틸렌계 수지 압출 발포 시트의 제조 방법이 제공된다. 이것에 의해, 두께가 매우 얇음에도 불구하고, 중장기의 연속 생산에 있어서도 작은 구멍이나 관통 구멍의 발생이 방지·억제된 고품질이고 우수한 강도와 완충성을 겸비하고, 또한 대전 방지 성능도 충분하게 발현하는 유리판용 간지로서 적합한 신규한 폴리에틸렌계 수지 압출 발포 시트가 얻어지게 된다.

Fiber reinforced cellular PVC

The present invention relates to exterior siding, trim and rigid architectural assemblies for buildings.

Head and system for continuously manufacturing composite hollow structure

A head is disclosed for use with a continuous manufacturing system. The head may have a housing, a fiber guide rotatably disposed at least partially inside the housing, and a diverter disposed at an end of the housing. The diverter may be configured to divert radially outward a matrix-coated fiber passing through the fiber guide.

Skinned panel and method of molding thereof

A skinned panel for stably molding a thin skin material and a molding method thereof. An extruding device is configured to extrude a pair of multilayered resin sheets, each of which has a lamination structure of an inner layer made of a foamed resin and an outer layer made of a non-foamed resin that is changed into a skin material of a sandwich panel as a skinned panel. The pair of the resin sheets is abutted to the circumferential part of the pair of the split molds for producing sealed spaces. The sealed spaces are sucked for pressing the pair of the resin sheets onto cavities of the pair of the split molds. Accordingly, the pair of the resin sheets is formed in a shape substantially identical to the outline of the sandwich panel.

An extruder for extruding porous plastics

본 발명은 발포 압출기에 관한 것으로, 더욱 상세하게는 다공성 플라스틱 제품의 제조를 위한 압출기의 배럴 냉각시스템에 관한 것이며, 우수한 품질의 다공성 플라스틱 시트(sheet), 보드(board), 프로파일(profile) 및 비드(bead)를 높은 토출속도로 연속 생산할 수 있는 압출기 및 이로부터 제조된 발포체에 관한 것이다. 본 발명은 용융체의 과냉각에 의한 결정화 또는 고형화가 발생하지 않고, 용융체의 온도를 균일하게 유지하여 용융체의 용융강도를 극대화시킬 수 있으며, 발포체의 셀 구조를 균일하게 하고 발포율을 향상시킬 수 있는 발포 압출기를 제공할 수 있다. 또한 본 발명은 수냉식 냉각부와 유냉식 냉각부를 결합시킨 복합식 배럴 냉각시스템을 사용함으로써 높은 토출속도로 고품질의 발포체를 제조할 수 있는 발포 압출기를 제공할 수 있다.

Method of producing an electrically conductive roller from a rubber foam tube

A rubber foam tube ( 5 ) is produced by extruding a rubber composition into a tubular body ( 4 ) and feeding the tubular body ( 4 ) in an elongated state without cutting to pass the tubular body ( 4 ) through a microwave crosslinking device ( 8 ) and then through a hot air crosslinking device ( 9 ) for continuously foaming and crosslinking the rubber composition. At this time, a ratio V2/V1 between a speed V2 at which the tubular body ( 4 ) passes through the hot air crosslinking device ( 9 ) and a speed V1 at which the tubular body ( 4 ) passes through the microwave crosslinking device ( 8 ) is not less than 1.0 and not greater than 1.6.

Fracturing liquid delivery hose for recovery of shale oil and gas, and manufacturing method and co-extrusion mold thereof

A fracturing liquid delivery hose for recovery of shale oil and gas, and manufacturing method and co-extrusion mold thereof are provided. The method includes extrusion of a cover layer with a first adhesive layer and an inner lining layer with a second adhesive layer, formation of an enhancement layer, heating and pressurizing for bonding between the cover layer and the enhancement layer and between the inner lining layer and the enhancement layer, so that the formed fracturing liquid delivery hose has resistance at least to high pressure and chemical corrosion. The cover layer and the inner lining layer can use different types of materials.

Multilayered coextruded thermoplastic food casing

Provided is a multilayered coextruded thermoplastic food casing comprising a porous inner layer capable of absorbing, retaining, desorbing and transferring at least one functional additive to food encased in said casing; a layer having a barrier effect for water vapor; and an adhesive layer, wherein the porosity of said porous inner layer is generated by (co)extruding a composition comprising a polymer and a supercritical pore-forming agent, and a method for producing said multilayered coextruded thermoplastic food casing.

Heat-shrinkable film for label with low specific gravity and method for preparing the same

A heat-shrinkable label film includes a foamed layer having polystyrene as a principal component, and a pair of non-foamed layers adhesively melted to either side of the foamed layer, wherein the foamed layer and the pair of the non-foamed layers are coextruded to provide a low specific gravity less than 1.0. The film is prepared by coextruding to form the several layers completing a non-drawn film; and drawing the non-drawn film in a transverse direction (TD) at a drawing ratio of 3.5 to 5.5. The foamed ratio of the foamed layer is in the range of 5 to 20%. The thickness of the foamed layer is 60 to 90% of the total thickness of the film; and the thickness of each non-foamed layer is 5 to 20% of the total thickness of the film. The heat-shrinkable label film has a thickness of 30 to 60 μm.

Multilayer battery separators

A microporous battery separator is provided having a first co-extruded multilayered portion and a second co-extruded multilayered portion. The two portions are bonded together. In a preferred embodiment, the battery separator has two substantially identical multilayered portions bonded together face-to-face. Each of the two multilayered portions has at least one strength layer and at least one shutdown layer. Methods for making the battery separators are also provided. Preferably, a tubular multilayered film is extruded, and collapsed onto itself to form a multilayered battery separator precursor. The precursor is then bonded and annealed before it is stretched to form a microporous multilayer battery separator.

Integrated insulation extrusion and extrusion technology for window and door systems

Extruded plastic profiles with integrated insulation, the method for extruding such products, and the windows and doors made with such plastic extrusions. The plastic extrusions may additionally include a low heat build-up capstock system comprising an acrylic cap and pigment system that is substantially IR transparent. The extruded plastic profiles with integrated insulation are recyclable using conventional plastic extrusion process and are fully weldable in conventional window and door manufacturing.

Seal for a vacuum material lifter

A seal for a vacuum lifter and method of manufacture wherein the seal has a continuous unbroken outer fluid resistant skin of elastomer which forms a boundary around a homogeneous cellular structure with no interior seams or joints.

Method to direct compound extruded structure for the production of irradiation crosslinked polypropylene foam

Described herein are methods and processes of manufacturing irradiation crosslinked polypropylene foam. In some embodiments, this includes extrusion of all material components, including a liquid crosslinking agent, to manufacture extruded structures for production of irradiation crosslinked polypropylene foam.

System and method for manufacturing cylindrical foam articles

The present teachings provide a system and method for producing a cylindrical foam article. The method can include coupling a first end of an outlet adaptor to a die, and coupling the die to a die housing of an extruder. The method can also include coupling a substantially cylindrical die outlet to a second end of the outlet adaptor, and substantially continuously extruding a polymer through the outlet adaptor into the die outlet to create the cylindrical foam article with a natural skin formed about a perimeter of the cylindrical foam article.

Kneading apparatus, method for producing thermoplastic resin molded product, and foam injection molding method

A kneading apparatus for a thermoplastic resin, includes: a plasticizing cylinder which has a high pressure kneading zone and a pressure reduction zone; a screw in the plasticizing cylinder; a downstream side seal mechanism which shuts off communication between the high pressure kneading zone and the pressure reduction zone; and a pressure reduction zone pressure adjusting mechanism which is connected to the pressure reduction zone and which controls a pressure of the pressure reduction zone so that the pressure is not less than an atmospheric pressure and the pressure is not more than a maximum pressure of the high pressure kneading zone that is achieved when kneading a molten resin with a pressurized fluid, when the downstream side seal mechanism shuts off the communication between the high pressure kneading zone and the pressure reduction zone.