Pulverizing apparatus and pulverizing method

A pulverizing apparatus for pulverizing a hard resin composition has a pulverizing mechanism having a pair of rollers arranged parallel to one another, these rollers pulverizing the hard resin composition by pressuring the hard resin composition between the rollers and a cooling device for cooling the hard resin composition during the hard resin composition being pulverized. Each of the rollers has a cylindrical shape with a hollow portion and the cooling device is configured to supply a coolant into the hollow portion of each of the rollers. The coolant flows in the hollow portion of each of the rollers in a longitudinal direction of each of the rollers. The cooling device has facilitating members respectively inserted into the hollow portions of the rollers.

Pyrolyzed rubber products and processes

A pyrolysis process is provided. The process includes the steps of: depositing a quantity of waste into a porous container, the porous container adapted to allow a convective stream of substantially anaerobic gas to flow therethrough; inserting the porous container into a pyrolysis thermal processor; sealing the thermal processor; circulating the convective stream of gas through the pyrolysis thermal processor; heating the waste according to a first time-temperature profile to pyrolyze the waste and form a carbonaceous char; and cooling the carbonaceous char by circulating the convective stream of gas through a cooler. An oil product and a gaseous hydrocarbon product are produced during the pyrolysis. The carbonaceous char is further processed to form a carbon black product and a recyclable metal product.

APPARATUS FOR PROCESSING PLASTICS MATERIAL

Disclosed is a device and a method for processing plastic material with at least one receiving container, wherein at least one mixing and/or comminution tool, rotatable about a rotation axis, is arranged, for mixing and warming the plastic material, and with at least one conveyor for discharging the plastic material from the receiving container, with at least one screw rotating in a housing, where the conveyor is connected, at its material inlet side via an opening which is formed in a side wall of the receiving container, with the interior of the receiving container. An imaginary extension of the central longitudinal axis of the conveyor extends, against the conveyance direction of the conveyor, past the rotation axis of the receiving container, without intersecting this axis, where the longitudinal axis of the conveyor is offset by a separation relative to the radial ray of the receiving container on the discharge side. 11310515616189118316561751011556123881811115175103. A device for treating , particularly thermoplastic , plastic materials , comprising at least one receiving container () in which at least one mixing and/or cutting tool () which is rotatable around a rotational axis () is disposed for mixing and heating and , optionally , cutting and/or softening said plastic materials , and at least one conveyor () for transporting the plastic materials out of the receiving container () , said conveyor () having at least one screw () rotating in a housing () and , at its material input side , being connected to the interior of the receiving container () via an opening () formed in a lateral wall () of said receiving container () in order to supply or feed the material into said receiving container () , said opening () being disposed at the height of the mixing and/or cutting tool () , characterized in that the imaginary extension of the central longitudinal axis () of the conveyor () and the screw () in the direction opposite the conveying direction () of the ...

EXTRUSION MOLDING APPARATUS AND MANUFACTURING METHOD FOR GREEN HONEYCOMB MOLDED BODY USING SAME

The extrusion-molding device of the invention is for producing a green honeycomb molded body with a cell structure, and the device includes a housing, a screw, a die with slits, a resistance tube and a fragmenting board having through-passages through which a raw material composition passes from the upstream end side to the downstream end side. The through-passages of the fragmenting board have upstream channels composed of a plurality of flow passages extending downstream from the upstream end side, and downstream channels extending up to the downstream end side and having flow passage cross-sectional shapes different from those of the upstream channels. 18-. (canceled)9. An extrusion-molding device for producing a green honeycomb molded body with a cell structure , the device comprising:a housing with a flow passage for transporting a paste raw material composition;a screw provided upstream of the flow passage for kneading the raw material composition and transporting it downstream;a die provided downstream of the flow passage and having slits corresponding to the shape of the cell structure of the green honeycomb molded body;a resistance tube for connecting the flow passage and the die; and upstream channels composed of a plurality of flow passages extending downstream from the upstream end side of the fragmenting board; and', 'downstream channels extending up to the downstream end side of the fragmenting board and having flow passage cross-sectional shapes different from those of the upstream channels., 'wherein the through-passages comprise, 'a fragmenting board provided between the screw and the die, having through-passages through which the raw material composition passes from an upstream end side to a downstream end side thereof,'}10. The extrusion-molding device according to claim 9 , wherein the upstream channels are composed of a plurality of flow passages extending downstream essentially straight from the upstream end side of the fragmenting board claim ...

Candle Filter Support and Plate Assembly for Polymer Melts

A polymer melt candle filter having a support which comprises a hollow cylindrical body defined by a first end, a second end, and a cylinder wall having a first end portion and a second end portion. The first end portion includes a screw thread on its outside surface and optionally a hex fitting on its inside surface for receiving a hex wrench. The second end portion includes a plurality of holes in the cylinder wall. The area of the openings of the holes on the outside surface of the cylinder wall may be larger than the area of the openings of the corresponding holes on the inside surface of the cylinder wall. The shape of the openings of the holes on the outside surface may be non-circular. A polymer melt filter plate assembly which comprises (a) a support plate comprising a plurality of threaded holes; (b) at least one filter which is screwed into at least one of the threaded holes via the screw thread on the outside surface of the first end portion of the filter support; (c) a tie rod with (i) a first end extending through a hole in a cone insert and a cap located at the second end of the filter support, and (ii) a second end extending through a threaded hole in the support plate; and (d) a cross bar which is attached to the second end of the tie rod for holding the support plate inside a shaft of an apparatus for filtering a polymer melt. 1. A polymer melt filter support comprising:a hollow cylindrical body defined by a first end, a second end, and a cylinder wall having a first end portion and a second end portion;a screw thread on the outside surface of the first end portion;a plurality of holes in the cylinder wall at the second end portion;an opening at the second end;a cone insert adapted to fit inside of the opening at the second end; anda cap for securing one or more filter elements around the second end portion of the cylindrical body,wherein the cone insert and the cap have a through-hole in their center for accommodating a tie rod,wherein the ...

DEVICE, KIT AND METHOD FOR TREATING BULK PRODUCTS

In order to be able to operate a dust separator with or without a lower closure element (), the closure element () is part of a separate closure unit () which is mounted under the dust separator if required. For this purpose, the dust separator, the closure unit () and optionally further components, such as a delivery flow generator, are kept available in a kit so as to be able to assemble the treatment unit as required. The dust separator can be operated in batches by means of the closure element (). 140. A closure unit () for a stream of granules flowing through , comprising:{'b': '41', 'a housing (),'}{'b': 42', '4', '41', '41, 'i': 'd', 'a granulate inlet opening () for the granulate () in the upper part of the housing (), in particular in its lid plate (),'}{'b': 43', '41, 'a granulate outlet opening () in the lower part of the housing (),'}{'b': 44', '41', '42, 'a closure element () in the housing (), that can close a granulate flow opening, in particular the granulate inlet opening () or a granulate outlet opening of a component located above it, in particular from its underside, and'}{'b': 49', '49', '41, 'connecting elements (), in particular through-holes (), in the upper and lower region of the housing () for connection to a component arranged above or below.'}2. The closure unit according to claim 1 , [{'b': 44', '44', '44', '41', '42, 'the closure element () is an upwardly projecting closure element (), in particular a closure cone (), which in the closure state projects upwards out of the housing () through the upper granulate inlet opening (),'}, {'b': 44', '44', '45, 'the closure element (), in particular the closure cone (), is mounted pivotably about at least one horizontal axis, preferably about two intersecting horizontal axes, on a component supporting it, in particular a closure element base ().'}], 'characterized in that'}4. The closure unit according to characterized in that{'b': 40', '44, 'the closure unit () has an electronic control for ...

Method for solvent removal from a polymer solution by integrated size classification and extrusion in a plastic extruder

The invention relates to a continuous method for removing a solvent from a suspension or solution comprising a target polymer, wherein the method comprises the steps of delivering said suspension or solution to an extruder, wherein said extruder comprises a size classification unit that is designed to be permeable for the solvent and impermeable for the target polymer; and filtration and extrusion of said suspension or solution in said extruder. The invention also relates to a plastic waste recycling system for recycling a target polymer. Furthermore, the invention also relates to a polymer material obtained by this recycling method. 1. A continuous method for removing a solvent from a suspension or solution comprising a target polymer , wherein the method comprises the following steps:(i) delivering said suspension or solution to an extruder, wherein said extruder comprises a size classification unit that is designed to be permeable for the solvent and impermeable for the target polymer; and(ii) filtration and extrusion of said suspension or solution in said extruder.2. The method according to claim 1 , wherein the size classification unit is a membrane or sieve.3. The method according to claim 1 , wherein the extruder further comprises a degassing unit.4. The method according to claim 3 , wherein the degassing unit is used for essentially complete degassing of the target polymer in solution or suspension claim 3 , wherein essentially complete degassing means that ≤1 wt % (≤10000 ppm) claim 3 , preferably ≤0.1 wt % (≤1000 ppm) of solvent is present after the essentially complete degassing.5. The method according to claim 1 , wherein the filtration of said suspension or solution is performed during extrusion and/or degassing in said extruder comprising the classification unit.6. The method according to claim 1 , wherein the extruder comprises an inner and an outer enclosure claim 1 , wherein the inner enclosure further comprises a size classification unit that is ...

METHOD FOR MANUFACTURING ARTICLES MADE FROM CRUMB RUBBER

A process for manufacturing an article made of recovered rubber crumb is provided. According to the process: 1. A process for manufacturing an article made of recovered rubber crumb , wherein:a) crumb particles are mixed with particles of a solute;b) a molded article is produced by sintering the mixture from step a) alone in a mold under predetermined temperature and pressure conditions;c) the molded article is brought into contact with a solvent so as to dissolve at least one portion of the particles of said solute.2. A process according to claim 1 , wherein the crumb particles have an average size of less than 800 μm.3. A process according to claim 1 , wherein the average size of the particles of the solute is equal to or less than that of the crumb particles.4. A process according to claim 1 , wherein the proportion of solute in the mixture is between 1% and 80% of the total mass of the mixture.5. A process according to claim 1 , wherein said solvent is water and said solute is selected from: salt claim 1 , a saccharide claim 1 , a water-soluble protein or a water-soluble polymer.6. A process according to claim 1 , wherein the molded article from step b) obtained with a first mixture from step a) is placed in a second mold claim 1 , introduced into which is a second mixture of crumb particles and said solute having a composition different from that of the first mixture claim 1 , and a new molded article is then produced from the two mixtures.7. A process according to claim 1 , wherein the mixture is introduced into the mold and is subjected to a nominal temperature of between 100° C. and 150° C. and to a nominal pressure of between 20 and 200 bar for a time of between 2 and 15 minutes.8. A process according to claim 7 , wherein the mixture is introduced into the mold and is subjected to a nominal temperature of 120° C. claim 7 , at a pressure of 100 bar for a period of 10 minutes.9. A process according to claim 1 , wherein the process comprises a step of cooling ...

SYSTEMS AND METHODS FOR PRODUCING MATERIALS SUITABLE FOR ADDITIVE MANUFACTURING USING A HYDRODYNAMIC CAVITATION APPARATUS

Provided in one implementation is a method that includes introducing a volume of raw material into a chamber of a cavitation machine. The raw material can include a mixture comprising a powder and a solvent. The powder can have a first average particle size in the raw material. The method includes applying a hydrodynamic cavitation process to the raw material to produce a product material. The powder can have a second average particle size, smaller than the first average particle size, in the product material. The method includes causing the product material to exit the cavitation chamber and drying the product material to remove the solvent. Apparatus employed to apply the method are also provided. 1. A method comprising:preparing a raw material including a mixture comprising a polymer and a functional material selected based on at least one of a structural property, and electrical property, a thermal property, and an aesthetic property, wherein the functional material has a first average particle size in the raw material;heating a chamber of a cavitation machine to a first temperature selected to be greater than a melting temperature of the raw material;introducing a volume of the raw material into the chamber of the cavitation machine;applying a hydrodynamic cavitation process to the raw material to produce a product material, wherein the functional material has a second average particle size, smaller than the first average particle size, in the product material;forming the product material into a desired shape; andcooling the product material to a second temperature selected to be lower than the melting temperature of the product material.224-. (canceled)25. An apparatus system comprising:a first feed tube configured to contain a raw material;a hydrodynamic cavitation chamber downstream from the first feed tube and configured to receive the raw material from the first feed tube;a pressurizing element configured to push the raw material into an orifice of the ...

CONTINUOUS METHOD FOR PRODUCING A FUNCTIONAL MATERIAL, A RAW MASS FOR A FUNCTIONAL MATERIAL, AND A FUNCTIONAL MATERIAL

A method is proposed for producing a functional material, wherein in at least one mixing step () a pulverized rigid foam () and at least one binding agent () are mixed to form a raw mass, and wherein in at least one pressing step () the raw mass is pressed to form the functional material, the method proceeding in a continuous manner at least from the mixing step () up to and including the pressing step (). 1. A method for producing a functional material , wherein in at least one mixing step a pulverized rigid foam and at least one binding agent are mixed to form a raw mass , and wherein in at least one pressing step the raw mass is pressed to form the functional material , the method proceeding in a continuous manner at least from the mixing step up to and including the pressing step.2. The method according to claim 1 , wherein in at least one method step the pulverized rigid foam is produced from polyurethane rigid foam claim 1 , PUR for short claim 1 , from polyisocyanurate rigid foam claim 1 , PIR for short claim 1 , and/or from phenolic rigid foam.3. The method according to claim 1 , wherein in at least one method step activated water with a mass fraction of an activator of maximally 3% is mixed into the binding agent.4. The method according to claim 1 , wherein in the mixing step the binding agent is mixed into the pulverized rigid foam with a mass fraction of less than 10% relative to a total mass of the functional material.5. The method according to claim 1 , wherein in at least one method step at least one organic and/or inorganic filling material is added to the raw mass claim 1 , the pulverized rigid foam and/or the binding agent.6. The method according to claim 5 , wherein the filling material makes the functional material difficult to ignite according to combustibility class C of DIN EN 13501-1 [German/European standard 13501-1].7. The method according to claim 1 , that wherein in the pressing step claim 1 , in at least one setting of a throughput press ...

DEVICE FOR THE CONTINUOUS FILTERATION OF MOLTEN PLASTIC MATERIAL

A continuous filtration device for molten plastic materials that employs a filtration mesh that enters and exits the filtration chamber, resting against the outer surface of a perforated hollow cylinder, without losing any molten material during the replacement of the mesh and without tearing even when operating at high pressures inside the filtration chamber. 1) a device for filtering molten plastic material , comprising:a body;a cavity inside the body that creates a chamber;a hollow perforated cylinder that rotates around a main axis thereof inside said chamber;an inlet opening on the body for putting the plastic material to be filtered into the chamber;an outlet opening wherein the filtered plastic material comes out from the body,a connection opening that connects the outside of the body with said chamber on the inside of the body;a filtration mesh belt that enters the chamber through the said connection opening and exits through said connection opening after having carried out filtration;a section of inlet-mesh that enters the chamber from outside of the body through an inlet path into the connection opening;a section of adjoining-mesh that remains attached to the outer surface of said hollow perforated cylinder; anda section of outlet-mesh that exits the body from the chamber through an outlet path in the connection opening;wherein said inlet-mesh, said adjoining-mesh, and said outlet-mesh are all a continuous mesh;a mobile cone that creates, together with the body, said inlet path and the said outlet path, wherein said cone can move between a first closing position and a second opening position on the connection opening that connects the outside of the body with said chamber and that, in the first closed position, closes the inlet path with a section of inlet-mesh interposed and closes the outlet path with a section of outlet-mesh interposed, and in the second opening position opens the inlet path and opens the outlet path, wherein said filtering mesh strip ...

Method of Manufacturing a High Performance Polymer and Nanotube Composite

A method of manufacturing a high performance polymer and nanotube composite is used to produce a nylon resin polymer with favorable material properties over traditional resin polymers. A plurality of tungsten sulfide nanotubes is combined with a plurality of nylon resin pellets which are ground up into a nylon resin powder. A heterogeneous mixture of the nylon resin powder and the plurality of tungsten nanotube is heated within a plastic extrusion machine such that the nylon resin powder melts and envelopes the plurality of tungsten sulfide nanotubes. With the plurality of tungsten sulfide nanotubes suspended in the fluid nylon resin, the heterogeneous mixture is extruded from the plastic extrusion machine as a pultrusion. The pultrusion is segmented into a plurality of polymer composites as the plutrusion solidifies from cooling for various materials applications.

Material And Method For An Artificial Rock

The invention relates to modifying synthetic fiber sponge, such as polyester or polyurethane foam, with an epoxy-, polyester, or acrylic-resin to induce an engineered rock product for use as stone replacement in a variety of applications. The method for manufacturing comprises: producing a foam block; shaping the foam block into any regular or irregular shape; weathering the shaped foam block; infusing the weathered foam block with a resin; curing the infused foam block; and finishing the cured foam block. The artificial rock comprises a foam block shaped to resemble a rock, an exterior of the foam block infused with a resin.

POLISHING PAD MATERIAL PURIFICATION SYSTEM

A polishing pad material purification system includes a melting device configured to melt a solid material put therein, and a homogenizer configured to homogenize the material melted in the melting device. The homogenizer is configured to have a processable amount of material to be homogenized larger than a processable amount of material to be melted by the melting device and configured to stir the material melted in the melting device so as to homogenize it. 1. A polishing pad material purification system comprising:a melting device configured to melt a solid material; anda homogenizer configured to homogenize the material melted in the melting device, whereinthe homogenizer is configured to have a processable amount of material to be homogenized larger than a processable amount of material to be melted by the melting device and configured to stir the material melted in the melting device so as to homogenize it.2. The polishing pad material purification system according to claim 1 , whereinthe melting device is configured to stir the melted material so as to homogenize it.3. The polishing pad material purification system according to claim 2 , whereinat least any one of the melting device and the homogenizer comprises a circulation path through which the melted material is circulated to be stirred.4. The polishing pad material purification system according to claim 1 , whereinat least any one of the melting device and the homogenizer comprises a filtration device configured to filter the melted material.5. The polishing pad material purification system according to claim 1 , whereinthe melting device comprises a supply pipe fluidically connected to the homogenizer. This application claims priority to Japanese Patent Application No. 2015-138946, the disclosure of which is incorporated herein by reference in its entirety.The present invention relates to a polishing pad material purification system configured to purify a material for producing polishing pads. ...

METHOD FOR LOW PROFILE RECEIVER OPERATION

A method for temporary storage of granular material in a receiver having a horizontally elongated chamber within a housing, the chamber having a convex triangular cross-section and a dump flap defining a bottom vertex of the triangular cross-section, with a horizontal air/vacuum resin material inlet connecting to the chamber, and a horizontal air/vacuum outlet leading from and connected to the chamber. 1. A method for temporary storage of granular material prior to processing thereof into a finished or semi-finished product , comprising ,a) feeding an air/vacuum stream carrying the granular material into a chamber under vacuum;b) reducing velocity of the stream in the chamber thereby causing granular material entrained in the stream to fall to the chamber bottom;c) continuing drawing the stream from the chamber thereby maintaining vacuum in the chamber;d) releasing the vacuum horizontally from the chamber thereby allowing a bottom of the chamber to swing to an open position, in response to granular material resting thereon.2. The method of further comprising passing the stream through a filter after the granular material has fallen to the chamber bottom.3. The method of wherein passing the stream through the filter is performed before releasing the vacuum from the chamber.4. The method of further comprising passing the stream through a filter perpendicular to the stream.5. The method of further comprising passing the stream horizontally through a filter perpendicular to the stream.6. A method for temporary storage of granular material prior to processing thereof into a finished or semi-finished product claim 3 , comprising claim 3 ,a) feeding an air/vacuum stream carrying the granular material in a first direction into a chamber under vacuum;b) passing the stream in a second direction through a filter; andc) releasing the stream from the chamber in the first horizontal direction.7. A receiver comprising:a) an elongated chamber within a housing;b) the chamber having ...

POLISHING PAD MATERIAL MELTING DEVICE

Provided is a polishing pad material melting device including: a melting unit configured to melt a solid material; a flow path through which the material melted in the melting unit is circulated; and a filter unit fluidically connected to the flow path and including a filter unit body configured to filter the material melted in the melting unit, wherein the flow path includes a circulation path through which the material melted by the melting unit is circulated, and the filter unit is fluidically connected to the circulation path. 1. A polishing pad material melting device comprising:a melting unit configured to melt a solid material;a flow path through which the material melted in the melting unit is circulated; anda filter unit fluidically connected to the flow path and including a filter unit body configured to filter the material melted in the melting unit, whereinthe flow path includes a circulation path through which the material melted by the melting unit is circulated, andthe filter unit is fluidically connected to the circulation path.2. The polishing pad material melting device according to claim 1 , whereinthe filter unit body includes a plurality of filter media each having a different mesh roughness and stacked on each other, andthe plurality of filter media having rougher meshes are arranged more on the upstream side in the direction in which the melted material flows. This application claims priority to Japanese Patent Application No. 2015-138948, the disclosure of which is incorporated herein by reference in its entirety.The present invention relates to a polishing pad material melting device configured to melt a material for producing polishing pads.Conventionally, polishing pads are produced by curing a mixed solution obtained by mixing various liquid materials together (for example, see Patent Literature 1). Therefore, for producing polishing pads, a polishing pad material melting device (which will be hereinafter referred to as a melting device) ...

ARTIFICIAL STONE COMPRISED OF WASTE PLASTIC MATERIALS

Disclosed herein is an artificial stone comprised of a first waste plastic material and a second waste plastic material, wherein the first and/or second waste plastic material is a non-recyclable or a recyclable plastic material. A method of manufacturing the artificial stone is also disclosed. The artificial stone may be used, for example, as an aggregate in a concrete mix or as a filler on a road laying base or sub-base. 120-. (canceled)21. An artificial stone , comprising a first waste plastic material and a second waste plastic material;{'sup': 3', '3, 'wherein each artificial stone has a density between about 0.4 grams/cmand about 2 grams/cm; and'}is porous.22. The artificial stone of claim 21 , wherein the first waste plastic material and/or the second waste plastic material is a non-recyclable plastic material.23. The artificial stone of claim 21 , wherein the first waste plastic material and/or the second waste plastic material is a recyclable plastic material.24. The artificial stone of claim 22 , wherein the non-recyclable plastic material is selected from the group consisting of a multilaminate claim 22 , aluminized plastic material claim 22 , unidentified plastic and mixtures thereof.25. The artificial stone of claim 21 , wherein the artificial stone further comprises virgin plastic material.26. The artificial stone of claim 21 , wherein the first waste plastic material and/or the second waste plastic material are selected from the group consisting of polyethylene terephthalate (PET) claim 21 , high density polyethylene (HDPE) claim 21 , (poly) vinyl chloride (PVC) claim 21 , low density polyethylene (LDPE) claim 21 , polypropylene (PP) claim 21 , and polystyrene (PS).27. The artificial stone of claim 25 , wherein the virgin plastic material is selected from the group consisting of polyethylene terephthalate (PET) claim 25 , high density polyethylene (HDPE) claim 25 , (poly) vinyl chloride (PVC) claim 25 , low density polyethylene (LDPE) claim 25 , ...

Candle Filter Support and Plate Assembly for Polymer Melts

A polymer melt candle filter having a support which comprises a hollow cylindrical body defined by a first end, a second end, and a cylinder wall having a first end portion and a second end portion. The first end portion includes a screw thread on its outside surface and optionally a hex fitting on its inside surface for receiving a hex wrench. The second end portion includes a plurality of holes in the cylinder wall. The area of the openings of the holes on the outside surface of the cylinder wall may be larger than the area of the openings of the corresponding holes on the inside surface of the cylinder wall. The shape of the openings of the holes on the outside surface may be non-circular. A polymer melt filter plate assembly which comprises (a) a support plate comprising a plurality of threaded holes; (b) at least one filter which is screwed into at least one of the threaded holes via the screw thread on the outside surface of the first end portion of the filter support; (c) a tie rod with (i) a first end extending through a hole in a cone insert and a cap located at the second end of the filter support, and (ii) a second end extending through a threaded hole in the support plate; and (d) a cross bar which is attached to the second end of the tie rod for holding the support plate inside a shaft of an apparatus for filtering a polymer melt. 1. A polymer melt filter support comprising:a hollow cylindrical body defined by a first end, a second end, and a cylinder wall having a first end portion and a second end portion;a screw thread on the outside surface of the first end portion;a plurality of holes in the cylinder wall at the second end portion;an opening at the second end;a cone insert adapted to fit inside of the second end opening; anda cap for securing one or more filter elements around the second end portion of the cylindrical body,wherein the cone insert and the cap have a hole through their axes for accommodating a tie rod,wherein the holes allow for a ...

Candle Filter Support and Plate Assembly for Polymer Melts

A polymer melt candle filter having a support which comprises a hollow cylindrical body defined by a first end, a second end, and a cylinder wall having a first end portion and a second end portion. The first end portion includes a screw thread on its outside surface and optionally a hex fitting on its inside surface for receiving a hex wrench. The second end portion includes a plurality of holes in the cylinder wall. The area of the openings of the holes on the outside surface of the cylinder wall may be larger than the area of the openings of the corresponding holes on the inside surface of the cylinder wall. The shape of the openings of the holes on the outside surface may be non-circular. A polymer melt filter plate assembly which comprises (a) a support plate comprising a plurality of threaded holes; (b) at least one filter which is screwed into at least one of the threaded holes via the screw thread on the outside surface of the first end portion of the filter support; (c) a tie rod with (i) a first end extending through a hole in a cone insert and a cap located at the second end of the filter support, and (ii) a second end extending through a threaded hole in the support plate; and (d) a cross bar which is attached to the second end of the tie rod for holding the support plate inside a shaft of an apparatus for filtering a polymer melt.

SHORT FIBER NONWOVEN MOLDED ARTICLES

A method of forming a nonwoven article comprising receiving fibrous material comprising thermoplastic fibers; processing the fibrous material to produce short fibers, wherein the processing step comprises granulation using at least one granulator with a screen; distributing the short fibers approximately evenly across an area to form a short fiber web, wherein the distributing step comprises a use of a recyclate spreader; heating the short fiber web to fuse the short fibers to form a nonwoven material; and forming a sheet of the nonwoven material. 1. A method of forming a nonwoven article , the method comprising:a) receiving fibrous material comprising thermoplastic fibers;b) processing the fibrous material to produce short fibers having a length of about 3 mm or smaller, wherein the processing step comprises granulation utilizing at least one granulator with a screen;c) distributing the short fibers approximately evenly across an area to form a short fiber web, wherein the distributing step comprises a recyclate spreader;d) heating the short fiber web to fuse the short fibers to form a nonwoven material; ande) forming a sheet of the nonwoven material.2. The method of claim 1 , wherein the short fibers are blended before the distributing step to achieve a relatively consistent distribution of fibrous material.3. The method of claim 1 , wherein the distributing step distributes the short fibers approximately evenly onto a facing material.4. The method of claim 3 , wherein the facing material is formed of a non-woven preformed web claim 3 , needle punched material claim 3 , fabric claim 3 , or combination thereof.5. The method of claim 3 , wherein a second facing material is placed on top of the short fiber web after the distributing step.6. The method of claim 1 , wherein the nonwoven material is compacted to achieve a desired density or the nonwoven material.7. The method of claim 6 , wherein the nonwoven material is compacted by at least one set of heated calender ...

MULTIPURPOSE JABA-TYPE AGRICULTURAL CONTAINER, AND ITS MANUFACTURING PROCESS

The invention herein is related to the recycling industry in general, it is specifically related to a plastic container, preferably made of PET (polyethylene terephthalate), which can be molded, preferably, through blown air, defined by a back face, a front face, two lateral face, a lower face and an upper face, the multipurpose jaba-type agricultural container, and its manufacturing process, is cut manually or with a machine, and the front face is removed, to define an internal cavity and form the jabs-type container defined by a back wall and four perimeter walls, it has enough resistance to hold the weight of the products it contains, it also has a perimeter tab, on the external face of the lower edge, which allows the vertical stacking of several containers, with enough strength to evenly fold the weight, when being stacked, such container also contains several vertical ribs on the perimeter walls, and a main perimeter rib used as reinforcement elements, as well as holes on the sides that allow the release of gas generated by the products inside the container. 1. A multipurpose jaba-type agricultural container formed by a rectangular prism-shaped container or body , in the shape of a drum , with different weights , sized and thicknesses , characterized by that rectangular prism-shaped body being obtained through blow injection or blow extrusion molding of polymer materials , which is defined by a back face , a front face , two lateral faces , a lower face and an upper face , whose front face is removed to define an internal cavity and form a jabs-type container defined by a bottom wall ((back face) and perimeter walls (lateral , upper and lower faces) , comprising several vertical ribs on the perimeter walls , and a main perimeter rib used as reinforcement elements.2. The multipurpose jaba-type agricultural container claim 1 , according to claim 1 , characterized by the bottom wall of such container containing a grid formed by several intertwined ribs claim 1 , ...

Apparatus for processing plastic material

Disclosed is an apparatus for the processing of plastics, with a container with a mixing implement rotatable around an axis of rotation, wherein, in a side wall, an aperture is formed, through which the plastics material can be removed, and a conveyor, with a screw rotating in a housing, wherein the imaginary continuation of the longitudinal axis of the conveyor in a direction opposite to the direction of conveying passes the axis of rotation, and wherein the L/D ratio of the screw is ≧7, and wherein the setting angle (y) of the radially outermost mixing implement, closest to the base, complies with the following relationship: γ= k*d+K, where d is the diameter of the screw in mm, K is a factor in the range from 15 to 35, k is a factor in the range from 0.08 to 0.2.

ORAL PHARMACEUTICAL COMPOSITION OF TOFACITINIB

The present invention relates to a dry process for the preparation of pharmaceutical compositions of tofacitinib comprising tofacitinib and one or more pharmaceutically acceptable excipients. Dry processes, such as direct compression or dry granulation, involve fewer and simpler process steps, thus preventing the loss of the active ingredient during processing. 1. A dry process for the preparation of a pharmaceutical composition of tofacitinib , wherein the composition comprises tofacitinib or a pharmaceutical salt thereof , and one or more diluents , disintegrants , and pharmaceutically acceptable excipients; wherein the dry process is selected from direct compression and dry granulation.2. The dry process according to claim 1 , wherein the pharmaceutically acceptable excipients are selected from the group comprising binders claim 1 , lubricants claim 1 , glidants claim 1 , and coating additives.3. A dry process for the preparation of a pharmaceutical composition of tofacitinib comprising:i. blending tofacitinib and a diluent;ii. blending the blend of step (i) with a disintegrant and a diluent;iii. blending a lubricant with the blend of step (ii); andiv. compressing the blend of step (iii) into tablets or filling into capsules.4. A dry process for the preparation of a pharmaceutical composition of tofacitinib comprising the steps of:i. blending tofacitinib and a diluent;ii. blending the blend of step (i) with a disintegrant, a diluent, and a lubricant;iii. passing the blend of step (ii) through a roller compactor;iv. milling the material obtained from step (iii);v. blending a lubricant with the milled material of step (iv); andvi. compressing the blend of step (v) into tablets or filling into capsules. The present invention relates to a dry process for the preparation of pharmaceutical compositions of tofacitinib comprising tofacitinib and one or more pharmaceutically acceptable excipients.Tofacitinib citrate is a Janus kinase inhibitor, which is chemically ...

Resin compositions for thermosetting powder coating compositions

The invention relates to a resin composition comprising at least an organophosphorous compound and a branched amorphous carboxylic acid functional polyester, said polyester having a T g of at least 40° C., said polyester comprising at least 1 to 45% mol of 2,2-dimethyl-1,3-propanediol; a C 3 to C 5 aliphatic diol AD1 not including 2,2-dimethyl-1,3-propanediol; a C 6 to C 50 aliphatic or cycloaliphatic diol AD2; 0.1 to 10% mol of an at least trifunctional monomer; 1 to 55% mol of terephthalic acid, wherein the % mol is based on the polyester. The powder coatings of the present invention derived upon curing at low temperature of the thermosetting powder coating compositions of the invention that were storage stable and comprised said resin composition and a crosslinker having functional groups that are reactive with the carboxylic acid groups of the polyester, have limited or no blooming, good smoothness sufficient reverse impact resistance and preferably have also good degassing limit.

PEEK/NANO-HA COMPOSITES FOR SLS AND PREPARATION METHODS THEREOF

The present invention discloses polyetheretherketone/nano-hydroxyapatite (PEEK/NANO-HA) composites for selective laser sintering (SLS), and a preparation method thereof. The method for preparing the composites comprises steps of: selecting PEEK having a particle size of 10-100 μm, and an aqueous solution of reaction precursor and an aqueous solution of reaction precursor , uniformly dispersing the PEEK in the aqueous solution of reaction precursor , adding the aqueous solution of reaction precursor dropwise in the mixed solution of the aqueous solution of reaction precursor and the PEEK while stirring to adjust pH of the mixed solution to 10-12, and continuously reacting or 24-48 hours. The composites obtained by the preparation method of the present invention have the advantages of good biocompatibility, homogeneous morphology and good fluidity, and are advantageous to the powdering and shaping process during SLS. 1. A method for preparing Polyetheretherketone/Nano-hydroxyapatite (PEEK/NANO-HA) composites for Selective Laser Sintering (SLS) , comprising steps of:(1) selecting PEEK having a particle size of 10-100 μm;{'b': '1', '(2) adding the PEEK in the step (1) to an aqueous solution of reaction precursor so that the PEEK is uniformly dispersed in the aqueous solution;'}{'b': '2', '(3) stirring the mixed solution obtained in the step (2), adding an aqueous solution of reaction precursor dropwise in the mixed solution to adjust pH to 10-12, and reacting for 24-48 hours while stirring; and'}(4) at last, vacuum filtering the mixed solution, and washing, drying and grinding the filter cake to eventually obtain the PEEK/NANO-HA composites,{'b': 1', '2', '1', '2, 'wherein the reaction precursor is a precursor solution containing calcium ions, the reaction precursor is a precursor solution containing phosphate ions, and the reaction precursor and the reaction precursor are dosed such that the mole ratio of Ca/P is 1.67-2.0.'}2. The preparation method according to claim ...

APPARATUS FOR PROCESSING PLASTIC MATERIAL

Disclosed is an apparatus for processing of plastics, with a container with a mixing implement, and a conveyor provided with a screw rotating in a housing, the housing being divided into two chambers, the frontal chamber having an intake aperture, and the rearward chamber having at least one degassing aperture, the two chambers being connected to one another through a channel having a melt filter, wherein the imaginary continuation of the longitudinal axis of the conveyor in a direction opposite to the direction of conveying passes the axis of rotation, wherein the distance from the opening of the channel into the rearward chamber to the degassing aperture is in a range from 1.5 to 15 times the nominal diameter (d) of the screw. 111310. An apparatus for the pretreatment and subsequent plastification of plastics , in particular of thermoplastics waste for recycling purposes , with a container () for the material to be processed , where the arrangement has , in the container () , at least one mixing and/or comminution implement () which is rotatable around an axis () of rotation and which is intended for the mixing , heating and optionally comminution of the plastics material ,{'b': 8', '1', '9', '1', '3, 'where an aperture () through which the pretreated plastics material can be removed from the interior of the container () is formed in a side wall () of the container () in the region of the level of the, or of the lowest, mixing and/or comminution implement () that is closest to the base,'}{'b': 5', '6', '16', '16', '7', '80', '6', '80', '8, 'where at least one extruder or compactor () is provided to receive the pretreated material, and has at least one screw () which rotates in a housing () and which has plastifying action, where the housing () has, located at its end () or in its jacket wall, an intake aperture () for the material to be received by the screw (), and there is connection between the intake aperture () and the aperture (),'}{'b': 16', '40', '41', '40 ...

STORAGE METHOD FOR RESIN USING LOW PROFILE RECEIVER

A method for temporary storage of granular material in a receiver having a horizontally elongated chamber within a housing, the chamber having a convex triangular cross-section and a dump flap defining a bottom vertex of the triangular cross-section, with a horizontal air/vacuum resin material inlet connecting to the chamber, and a horizontal air/vacuum outlet leading from and connected to the chamber. 1. A method for temporary storage of granular material prior to processing thereof into a finished or semi-finished product , comprising ,a) feeding an air/vacuum stream carrying the granular material into a chamber under vacuum;b) reducing velocity of the stream in the chamber thereby causing granular material entrained in the stream to fall to the chamber bottom;c) continuing drawing the stream from the chamber thereby maintaining vacuum in the chamber;d) releasing the vacuum horizontally from the chamber thereby allowing a bottom of the chamber to swing to an open position, in response to granular material resting thereon.2. The method of further comprising passing the stream through a filter after the granular material has fallen to the chamber bottom.3. A method for temporary storage of granular material prior to processing thereof into a finished or semi-finished product claim 1 , comprising:a) drawing a vacuum stream carrying granular material in a transport conduit to a chamber, the chamber having cross-sectional area larger than that of the conduit; i) causing speed of the vacuum stream to decrease and causing the carried granular material to drop to the bottom of the chamber; and', 'ii) closing the chamber bottom as the vacuum acts to provide force on a chamber movable bottom member;, 'b) introducing the vacuum stream into the chamber thereby'}c) maintaining the chamber bottom closed by continuing to draw vacuum in the chamber;d) releasing vacuum from the chamber thereby allowing the movable bottom member to open in response to weight of granular material ...

PROCESSES FOR PRODUCING POLYMER POWDERS

The present disclosure is directed to improved poly(arylene ether ketone) powders for use in laser sintering. 1. A method comprisingheating PEKK pellets to a temperature of between 160° C. and 300° C., for a time sufficient to produce semicrystalline PEKK pellets having a crystallinity of at least 10%;grinding the semicrystalline PEKK pellets to produce a PEKK powder having a median particle diameter of between about 10 microns and about 150 microns; andheating the PEKK powder to a temperature of about 275° C. to about 290° C., to produce a heat-treated PEKK powder.2. The method of claim 1 , wherein the PEKK pellets have a crystallinity of no more than 5%.3. The method of claim 2 , wherein the PEKK pellets are amorphous.4. The method of claim 1 , wherein the T:I isomer ratio of the PEKK pellets is between 50:50 to 90:10.5. The method of claim 1 , wherein the PEKK pellets are heated to a temperature of about 180° C. to about 250° C.6. The method of claim 1 , wherein the PEKK pellets have a median particle diameter of about 1 mm to about 10 mm.7. The method of claim 1 , wherein the PEKK pellets are heated for at least 5 minutes.8. The method of claim 1 , wherein the PEKK pellets are heated for between 5 minute and 30 minutes.9. The method of claim 1 , wherein the amorphous PEKK pellets further comprise one or more additives.10. The method of claim 9 , wherein the additive is an antioxidant claim 9 , a flow-facilitating agent claim 9 , carbon nanotubes claim 9 , carbon black claim 9 , or a combination thereof.11. The method of claim 9 , wherein the amorphous PEKK pellets comprise up to 10 wt. % of the one or more additives.12. The method of claim 1 , wherein the amorphous PEKK pellets are substantially free of additives.13. The method of claim 1 , wherein the grinding is performed by hammer mill claim 1 , attrition mill claim 1 , pinned disc mill claim 1 , or jet mill.14. The method of claim 1 , wherein the grinding is performed under ambient conditions or cooling ...

MANUFACTURING METHOD FOR STONE SPEAKER

A manufacturing method for a stone speaker is disclosed. The stone speaker is placed in a garden and blended with the environment. Raw stones of various sizes and colors are crashed and provided as a kind of material for the stone speaker. The manual painting spray step is neglected. The stone speakers has an appearance like real natural stone and no disadvantages of the stone speakers made by the manual painting spray step. 1. A manufacturing method of a stone speaker , comprising:selecting and crashing raw stones of various sizes and colors;mixing the crashed raw stones with unsaturated polyester resin;smearing the mixture of the raw stones and the unsaturated polyester resin on surfaces of a mold;pasting glass fiber blankets to the mold layer by layer with a mixture of talc power and unsaturated polyester resin to form a blank product of the stone speaker;soaking the blank product to a strong base solution to remove unsaturated polyester resin; anddrying the resin-removed blank product naturally to form the stone speaker.2. The manufacturing method as claimed in claim 1 , wherein a metal net is integrated with the stone speaker. 1. Field of the InventionThe present invention relates to a manufacturing method of a stone speaker, and in particular to a manufacturing method of a stone speaker without manual painting spray process.2. Description of the Related ArtSpeakers placed in a garden are often decorated to blend into environment. Typically, the decoration provides the speakers an appearance like stone which easily blends to the garden environment.Referring to , a conventional stone speaker is manufactured as follows. First, talc powder and calcium carbonate powder are selected (step 1). Unsaturated polyester resin is mixed with the talc powder and calcium carbonate powder (step 2). The mixture is smeared on a surface of a prepared mold (step 3). Afterwards, glass fiber blankets are pasted layer by layer to the mold to form a blank product of the stone speaker ...

Apparatus for processing plastic material

The invention relates to an apparatus for the pretreatment and subsequent conveying or plastification of plastics, with a container with a mixing and/or comminution implement that is rotatable around an axis of rotation, wherein, in a side wall, an aperture is formed, through which the plastics material can be removed, a conveyor being provided, with a screw rotating in a housing, wherein the imaginary continuation of the longitudinal axis of the conveyor in a direction opposite to the direction of conveying passes the axis of rotation, where, on the outflow side, there is an offset distance between the longitudinal axis and the radius that is parallel to the longitudinal axis, and in that screw rotates clockwise, when seen from the starting point of the screw in the direction towards the end or towards the discharge aperture of the conveyor.

Method of applying voltage to a polymer/graphene composite to form a conductive polyolefin-carbon nanomaterial

A method including applying an AC voltage to a mixture of a polymer material and nanoparticles to form a polyolefin-carbon nanomaterial composite. The polyolefin-carbon nanomaterial composite includes electrically conductive pathways that are oriented within the polyolefin-carbon nanomaterial composite. The method forms an electrically conductive polymer-graphene material by a process that includes milling a polyolefin with carbon nanoparticles, then forming a composite plate by press-molding the mixture of polyolefin and graphene while inserting a needle electrode therein. Subsequent application of an AC voltage causes partial dielectric breakdown of the composite thereby forming the electrically conductive pathways.

Low profile receiver

A receiver having a horizontally elongated chamber within a housing, the chamber having a convex triangular cross-section and a dump flap defining a bottom vertex of the triangular cross-section, with a horizontal air/vacuum resin material inlet connecting to the chamber, and a horizontal air/vacuum outlet leading from and connected to the chamber.

Method to produce a wear resistant layer with different gloss levels

The present disclosure relates to a method to produce a wear resistant layer ( 1 ) and a method to produce a building panel ( 10 ) including a wear resistant layer ( 1 ). The wear resistant layer ( 1 ) includes a thermoplastic material. The wear resistant layer ( 1 ) is provided with portions ( 5, 6 ) having different gloss levels. The disclosure also relates to such a building panel ( 10 ).

Filtering plate and method for making the same and filtering device having the same

A filtering plate and a method for making the same and a filtering device having the same are provided. The filtering plate includes: a plate body, integrally formed of metal as one piece; a plurality of holed units, each holed unit penetrating the plate body and including a big hole and a plurality of small holes communicated with the big hole, the small hole being formed by laser processing and having a first end communicated with the big hole and a second end, the first end being greater than the second end in cross-sectional area.

APPARATUS FOR PROCESSING PLASTIC MATERIAL

Disclosed is an apparatus for the pretreatment and subsequent conveying or plastification of plastics, with a container with a mixing and/or comminution implement that is rotatable around an axis of rotation, wherein, in a side wall, an aperture is formed, through which the plastics material can be removed, a conveyor being provided, with a screw rotating in a housing. 111310. An apparatus for the pretreatment and subsequent plastification or agglomeration of plastics , in particular of thermoplastics waste for recycling purposes , with a container () for the material to be processed , where the arrangement has , in the container () , at least one mixing and/or comminution implement () which rotates around an axis () of rotation and which is intended for the mixing , heating and optionally comminution of the plastics material ,{'b': 8', '1', '9', '1', '3, 'where an aperture () through which the pretreated plastics material can be removed from the interior of the container () is formed in a side wall () of the container () in the region of the level of the, or of the lowest, mixing and/or comminution implement () that is closest to the base,'}{'b': 5', '6', '16', '16', '7', '80', '6', '80', '8, 'where at least one extruder or compressor () is provided to receive the pretreated material, and has at least one screw () which rotates in a housing () and which has compressing, plastifying or agglomerating action, where the housing () has, located at its end () or in its jacket wall, an intake aperture () for the material to be received by the screw (), and there is connection between the intake aperture () and the aperture (),'}wherein{'b': 15', '5', '6', '80', '17', '5', '10', '12', '3', '18', '15', '5', '6', '80', '11', '1', '15', '10', '3', '17', '5, 'the imaginary continuation of the central longitudinal axis () of the extruder () or of the screw () closest to the intake aperture (), in a direction opposite to the direction () of conveying of the extruder (), passes, ...

Method and device for cleaning a polymer melt

Techniques involve cleaning a polymer melt, which allow volatile foreign substances and solid foreign substances to be removed from the polymer melt. Such techniques involve a filter element and a vacuum of a vacuum chamber. The polymer melt is fed through the filter element into the vacuum of the vacuum chamber, The filter element binds the solid foreign substances and the vacuum chamber takes up the volatile foreign substances.

HIGH MELT STRENGTH POLYPROPYLENE AND EXTRUSION PROCESS FOR PRESERVING MELT STRENGTH

A method of melt blending a polypropylene and the melt blended polypropylene therefrom, comprising providing a base-polypropylene having a MFR of less than 15 g/10 min and a molecular weight distribution (Mw/Mn) within the range from 5 to 16, and comprising hindered phenol and phosphorous-type antioxidants, and within the range from 5 ppm to 4000 ppm of an alkyl radical scavenger relative to the total weight of the components to form a melt blended polypropylene; melt blending the melt blended polypropylene at a temperature of at least 210° C.; and isolating a melt blended, melt blended polypropylene. 1. A method of melt blending a polypropylene composition , comprising:providing (A) a base-polypropylene having a melt flow rate (ASTM D1238, condition L at 230° C. and 2.16 kg load) of less than 15 g/10 min and a molecular weight distribution (Mw/Mn) of at least 5, and (B) at least one hindered phenol antioxidant and at least one phosphorous-type antioxidant, and (C) within the range from 5 ppm to 4000 ppm of an alkyl radical scavenger relative to the total weight of the components;melt blending the base-polypropylene, antioxidants and alkyl radical scavenger in an extruder having a temperature controlled length from the feed zone to the die zone, wherein the initial melt temperature at the feed zone is less than 180° C., and the final melt temperature at the die zone of at least 210° C.; andisolating a melt blended polypropylene.2. The method of claim 1 , wherein the alkyl radical scavenger is present to within the range from 20 ppm to 3000 ppm of an alkyl radical scavenger relative to the total weight of the components.3. The method of claim 1 , wherein the alkyl radical scavenger is formed into a solid by blending with at least one other ingredient.4. The method of claim 1 , wherein at least two of any ingredients selected from the primary antioxidant claim 1 , secondary antioxidant claim 1 , alkyl radical scavenger claim 1 , a polymer claim 1 , and acid scavengers ...

Apparatus for processing plastic material

Disclosed is an apparatus for processing plastics, having a mixing implement rotatable around an axis of rotation, wherein, in a side wall, an aperture is formed, through which the plastics material is removed, a conveyor being provided, with a screw rotating in a housing wherein the imaginary continuation of the longitudinal axis of the conveyor in a direction opposite to the direction of conveying passes the axis of rotation, and on the outflow side, an offset distance between the longitudinal axis and the radial that is parallel to the longitudinal axis, and the diameter D of the container has the following relationship to the diameter d of the screw: D =10· 3 √{square root over ( K·d 2 )}, where D is the internal diameter in mm of the container d is the diameter in mm of the screw and K is a constant which is in the range from 60 to 180.

Systems and methods for producing materials suitable for additive manufacturing using a hydrodynamic cavitation apparatus

Provided in one implementation is a method that includes introducing a volume of raw material into a chamber of a cavitation machine. The raw material can include a mixture comprising a powder and a solvent. The powder can have a first average particle size in the raw material. The method includes applying a hydrodynamic cavitation process to the raw material to produce a product material. The powder can have a second average particle size, smaller than the first average particle size, in the product material. The method includes causing the product material to exit the cavitation chamber and drying the product material to remove the solvent. Apparatus employed to apply the method are also provided.

Vacuum actuated receiver having low profile

A receiver having a horizontally elongated chamber within a housing, the chamber having a convex triangular cross-section and a dump flap defining a bottom vertex of the triangular cross-section, with a horizontal air/vacuum resin material inlet connecting to the chamber, and a horizontal air/vacuum outlet leading from and connected to the chamber.

PROCESS FOR RECYCLING PLASTIC MATERIALS

The invention relates to a method and to an assembly for recycling plastic materials, comprising the following processing steps: a) reprocessing the raw material, wherein the material, if necessary, is comminuted and brought into a fluid-like form and heated and permanently mixed, while preserving the lumpiness and pourability thereof, and optionally the viscosity thereof is increased and/or it is degassed, softened, dried and/or crystallized; b) melting the reprocessed material, at least so much that filtration is possible; c) filtering the melt in order to remove impurities; d) homogenizing the filtered melt; e) degassing the homogenized melt; and f) discharging and/or subsequently processing the melt, such as by granulation, blown film processing, with said processing steps being carried out consecutively in the order listed (). 1. Process for recycling plastics comprising the following processing steps:(a) Reprocessing the raw material whereby the material is comminuted if necessary and brought to a fluid form and then heated and permanently mixed while retaining its particulate and flowable form and, if need be, degassed, softened, dried, increased in viscosity and/or crystallized;(b) Melting the reprocessed material at least to a point where filtration is possible;(c) Filtering the melt to remove impurities;(d) Homogenizing the filtered melt;(e) Degassing the homogenized melt; and(f) Discharging and/or subsequently processing the melt, for example by granulating or blow-extrusion treatment,whereby these processing steps are implemented consecutively and directly in chronological and spatial order without intermediate steps.2. Process according to claim 1 , characterized in that processing steps (a) to (f) are implemented consecutively and directly in chronological and spatial order without intermediate steps.3. Process according to claim 1 , characterized in that the melt is sheared and mixed during homogenization or is subjected to intensive shear stress and ...

METHOD OF GRINDING POLY(ARYL ETHER KETONES)

The present invention relates to an improved method of grinding polyaryletherketones, providing very good yields and the production of powders of polyaryletherketones with an average diameter below 100 μm having a narrow size distribution with few fine particles (Dv10>15 μm). 18.-. (canceled)9. A method of obtaining a powder of a polyaryletherketone , comprising carrying out grinding of a polyaryletherketone of apparent density below 0.9 carried out in a temperature range between 0° C. and the glass transition temperature of the polyaryletherketone as measured by DSC , whereby the powder obtained has a particle size distribution (diameters by volume) of d10>15 μm , 50d50<70 μm , 120 Подробнее

SYSTEM FOR PELLETIZING SOLID REFUSE FUEL

Disclosed is a system for pelletizing Solid Refuse Fuel (SRF). The system includes: a first crusher that primarily crushes plastic waste; a vibration sieve plate-conveyer that transports plastic waste that is primarily crushed by the first crusher; a second crusher that secondarily crushes the primarily crushed plastic waste sieved by the vibration sieve plate-conveyer; a first rotational shaft equipped with a first screw that fuses and transports the plastic waste which is secondarily crushed by the second crusher; a filter unit that is combined with the first rotational shaft and which removes impurities by filtering the secondarily crushed plastic waste that is fused and transported by the first screw; a second rotational shaft equipped with a second screw that transports impurity-free plastic waste filtered by the filter unit; and a molding machine that molds the plastic waste transported by the second screw. 1. A system for pelletizing Solid Refuse Fuel (SRF) , the system comprising:a first crusher that primarily crushes plastic waste introduced manually or by a conveyer belt;a vibration sieve plate-conveyer that transports primarily crushed plastic waste discharged from the first crusher;a hopper that stores the primarily crushed plastic waste discharged from the vibration sieve plate-conveyer;a second crusher that is disposed under the hopper and secondarily crushes the primarily crushed plastic waste discharged from the hopper;a first rotational shaft that is disposed under the second crusher and is equipped with a first screw that fuses and transports secondarily crushed plastic waste discharged from the second crusher;a filter unit that is combined with the first rotational shaft and which removes impurities by filtering the secondarily crushed plastic waste that is fused and transported by the first screw;a second rotational shaft equipped with a second screw that transports impurity-free plastic waste that is filtered by the filter unit; anda molding ...

Belt dryer arrangement for drying an aqueous polymer gel and for comminuting the dried polymer gel to form dried polymer particles, and method for drying an aqueous polymer gel and for comminuting the dried polymer gel to form dried polymer particles

A belt drier arrangement for drying an aqueous polymer gel and for comminuting the dried polymer gel to give dried polymer particles, having: a belt drier having a drier setup and a conveyor belt for receiving and for drying the aqueous polymer gel to give a dry cake or fragments on a receiving surface of the conveyor belt, and a comminution arrangement, disposed downstream of the drier setup in product flow direction, for comminution of the dried polymer gel of the dry cake or fragments to give dried comminuted polymer particles. The comminution arrangement has a comminutor in the form of a milling drum which is disposed with an upper working line of a working edge of the milling drum at the level of or above a receiving surface of a conveyor belt, for mill processing of the dry cake or of the fragments, where the milling drum is designed to eject comminuted dried polymer particles of the dry cake or of the fragments in the downward direction.

COMPOSITE MATERIAL WITH VINE SHOOT, METHOD TO MANUFACTURE SUCH COMPOSITE MATERIAL AND AGRICULTURAL ACCESSORY MADE OF SUCH COMPOSITE MATERIAL

The invention relates to a composite material comprising at least a plastic matrix in which a powder of vine shoots is incorporated. 1. A composite material comprising at least a plastic matrix in which a powder of vine shoots is incorporated.2. The composite material according to claim 1 , wherein the proportion of powder of vine shoots is at least 20% in weight compared to the total weight of the composite material.3. The composite material according to any one of or claim 1 , wherein the plastic material of the matrix is a polymer selected from among polypropylene or polylactic acid and the combinations thereof.4. A method of manufacturing a composite material according to any one of to claim 1 , characterized in that the method comprises at least one step of grinding vine shoots in order to obtain in fine a powder of vine shoots claim 1 , at least one step of drying the vine shoots claim 1 , and at least one step of incorporating said powder of vine shoots in a matrix made of plastic material.5. The method according to claim 4 , comprising the following steps:a first step of grinding vine shoots in order to obtain pellets of vine shoots,a step of drying vine shoot pellets until said pellets of vine shoots comprise a determined humidity rate,a second step of grinding dried pellets of vine shoots until a powder of vine shoots is obtained,a step of blending the powder of vine shoots in a matrix made of plastic material.6. The method according to claim 5 , wherein the first grinding step comprises a first sub-step in which the vine shoots are grinded into chips of a size between 150 mm and 50 mm and a second sub-step in which the chips of vine shoots are grinded into pellets of a size lower than 20 mm.7. The method according to any one of or claim 5 , wherein one goes from the drying step to the second grinding step only when the pellets of vine shoots comprise a humidity rate lower than or equal to 10% compared to the mass of a pellets.8. The method according to ...

MELT PROCESSABLE COMPOSITION FROM RECYCLED MULTI-LAYER ARTICLES CONTAINING A FLUOROPOLYMER LAYER

The invention relates to an article that has been obtained by the melt-process recycling of one or more multi-layer articles, where the multi-layer articles are composed of at least one melt-processible polyvinylidene fluoride layer. The composition of the invention is a compatible blend of the different layers from the multi-layer articles. The other layers of the multi-layer articles are also melt-processible, and include one or more layers chosen from: a) a melt-processible fluoropolymer of a different composition, b) a non-fluoropolymer, and c) a barrier layer. The composition is useful for forming an article in a melt-process operation. The composition may be used by itself, may be blended with other virgin or recycled materials, or may be used at low levels with melt-processible polymers as a process aid. 1. A process for forming a polymeric article from a recycled multi-layer article comprising the steps of;a. obtaining a multi-layer article, having each layer adhered to the adjoining layer(s), wherein said multi-layer article comprises an inner polyvinylidene fluoride (PVDF) homopolymer or copolymer layer, and at least one non-fluoropolymer layer,b. washing and/or sterilizing the multi-layer articlec. grinding the washed and/or sterilized multi-layer article into small pieces or flakes;d. cleaning the pieces or flakes to remove non-polymeric materials and other contaminants;e. melting and blending the flakes or small particles together into a compatible melt blend;f. optionally extruding the melted flakes or small particles into pellets, the pellets latter melted; andg. thermoforming the melt blend formed from said melted flakes, small particles and/or pellets into a final article.2. The process of claim 1 , wherein the multi-layer article of step a) further comprises a barrier layer of ethylene vinyl alcohol (EVOH) or poly(vinyl alcohol) (PVOH) claim 1 , and at least one elastomeric non-fluoropolymer layer.3. The process of claim 1 , wherein said multi- ...

RESIN TAPPING MEMBER AND METHOD OF SEPARATING AND RECOVERING POLYMER FROM POLYMER-CONTAINING LIQUID USING SAME

A resin tapping member used for a method of separating and recovering that enables a polymer to be separated and recovered from a polymer-containing liquid during or after a polymerization reaction at a high quality, high efficiency, and high processing capacity. The resin tapping member for preventing clogging of a screen is used in separating and recovering a polymer obtained by a polymerization reaction in a solvent. The resin tapping member has a weight reduction percentage of 3 wt. % or less after continuous separating and recovering of a polymer from a polymer-containing liquid for 48 hours. 1. A vibrating sieve device used in separating and recovering a polymer obtained by a polymerization reaction in a solvent , the vibrating sieve device comprising:a screen;a perforated plate; anda screen,wherein the perforated plate is disposed below the screen,a resin tapping member is disposed between the screen and the perforated plate,the resin tapping member has a through hole,vibrations of the vibrating sieve device cause the resin tapping member to tap, this tapping preventing clogging of the screen, andthe resin tapping member has a weight reduction percentage of 3 wt. % or less after continuous separating and recovering of a polymer from a polymer-containing liquid for 48 hours.2. The vibrating sieve device according to claim 1 , wherein a sample of resin that forms the resin tapping member has a tensile strength retention percentage of 98% or greater after 1000 hours of immersion in a liquid chemical.3. The vibrating sieve device according to claim 1 , wherein the resin tapping member includes at least one resin selected from the group consisting of polyamide claim 1 , polyimide claim 1 , polyether ether ketone claim 1 , polymethylpentene claim 1 , high density polyethylene claim 1 , ultra high molecular weight polyethylene claim 1 , polypropylene claim 1 , and polyarylene sulfide.4. The vibrating sieve device according to claim 1 , wherein the resin tapping ...

PROCESS FOR GRINDING MATERIALS

A process for grinding materials includes grinding a frozen plastic material to form a first-stage plastic material in a first mill. The first-stage plastic material is processed in a second mill to form material having a particle size less than about 100 μm. 1. A process for grinding materials , the process comprising ,freezing a plastic material having a particle size of at least 300 μm to form a frozen plastic material,grinding the frozen plastic material in a first mill to form first-stage plastic material having a particle size of less than 300 μm, andgrinding the first-stage plastic material in a second mill to form a second-stage plastic material having a particle size less than about 100 μm.2. The process of claim 1 , wherein each step of grinding is performed while the frozen plastic material and the first-stage plastic material each have a temperature lower than about −200° F.3. The process of claim 2 , wherein the frozen plastic material has a temperature of lower than about −300° F.4. The process of claim 3 , wherein the first-stage plastic material is not refrozen prior to the step of grinding the first-stage plastic material.5. The process of claim 1 , wherein the first mill is in an attrition mill.6. The process of claim 5 , wherein the second mill is a jet mill.7. The process of claim 1 , wherein the process changes from grinding the plastic material to grinding the first-stage plastic material in a continuous claim 1 , uninterrupted manner.8. The process of claim 1 , wherein the first-stage plastic material is transferred directly from the first mill to the second mill after the step of grinding the frozen plastic material.9. The process of claim 1 , wherein the plastic material comprises polycarbonate claim 1 , polylactic acid claim 1 , polyethylimide claim 1 , polyethylene claim 1 , polycaprolactam claim 1 , polytetrafluoroethylene claim 1 , nylon claim 1 , or a mixture thereof.10. The process of claim 1 , wherein the step of freezing the plastic ...

SEPARATION DEVICE

A separation device includes a separation unit that has a first ejection unit having a first ejection port for depositing a material containing a fiber on a first surface, and a first suction unit having a first suction port for sucking from the first surface toward a second surface so that at least a part thereof overlaps the first ejection port, a second suction unit provided at a position different from the first ejection port and having a second suction port for sucking from the second surface toward the first surface, a detection unit that detects information on foreign matter contained in the material ejected from the first ejection port, an input unit that inputs a detection result of the detection unit, and a control unit that controls a separation condition in the separation unit based on the information input to the input unit. 1. A separation device comprising:a mesh that has a first surface and a second surface in a front and back relationship; a first ejection unit having a first ejection port for depositing a material containing a fiber on the first surface, and', 'a first suction unit having a first suction port for sucking from the first surface toward the second surface so that at least a part thereof overlaps the first ejection port in plan view;, 'a separation unit that has'}a second suction unit provided at a position different from the first ejection port in plan view and having a second suction port for sucking from the second surface toward the first surface;a detection unit that detects information on foreign matter contained in the material ejected from the first ejection port;an input unit that inputs a detection result of the detection unit; anda control unit that controls a separation condition in the separation unit based on the information input to the input unit.2. The separation device according to claim 1 , whereinthe separation unit has a drive unit that moves the mesh, andthe control unit controls an operation of the drive unit to ...

Method for Grinding Materials for Additive Manufacturing

A method of preparing a powder matrix suitable for use in laser sintering for printing a three-dimensional object. A foamable polyaryletherketone (PAEK) matrix is provided and is foamed to create voids. The foamed matrix is ground to form PAEK particles having a mean diameter between 10 microns and 200 microns. In some embodiments, the foaming is performed via injection of a blowing agent into PAEK matrix during an extrusion of the PAEK matrix to form the plurality of voids in the PAEK foam. 1. A method of preparing a powder matrix suitable for use in laser sintering for printing a three-dimensional object , the method including the steps of:providing a foamable polyaryletherketone (PAEK) matrix;foaming the PAEK matrix to form a PAEK foam, the PAEK foam having a plurality voids;grinding the PAEK foam to form a PAEK powder comprising plurality of PAEK particles having a mean diameter between 10 microns and 200 microns.2. The method of wherein the step of foaming the matrix material to form a PAEK foam comprises the step of injecting a blowing agent into PAEK matrix during an extrusion of the PAEK matrix to form the plurality of voids in the PAEK foam.3. The method of the step of foaming the matrix material to form a PAEK foam comprises the step of injecting a blowing agent into PAEK matrix after an extrusion of the PAEK matrix to form the plurality of voids in the PAEK foam.4. The method of or wherein the blowing agent comprises one or more of CO2 and Freon.5. The method of wherein the step of grinding comprises one or more of attrition milling.6. The method of wherein the step of attrition milling comprises attrition milling the PAEK foam under cryogenic conditions.7. The method of wherein an average wall size in the PAEK foam has a thickness between 10 microns and 200 microns.8. The method of wherein the foaming step is performed to create an average wall size that corresponds to the desired mean particle diameter.9. The method of wherein the step of foaming the ...

Method for producing a lignocellulose plastic composite material

A method for producing a lignocellulose plastic composite material, in particular a simpler and more cost-effective option for producing lignocellulose plastic composite materials. Thermoplastic particles and a mixture of water and lignocellulose-containing particles are supplied to a refiner, and the lignocellulose-containing particles are reduced to fibres in the refiner. The thermoplastic particles are supplied to the refiner in a melted or fused state, or are melted or fused in the refiner, so that the melted or fused thermoplastic particles and the lignocellulose-containing particles that are reduced to fibres form material composite particles in the refiner.

Superabsorbent Polymer Composition And Method For Preparing The Same

The invention relates to superabsorbent polymer that not only has excellent basic absorption performance, but also exhibits more improved permeability under pressure, and thus, can improve rewet property and leak inhibition property of hygienic products such as a diaper, and the like, and a method for preparing the same. The superabsorbent polymer comprises base resin powder comprising first crosslinked polymer of water soluble ethylenically unsaturated monomers having acid groups of which at least a part are neutralized; and a surface crosslink layer on the base resin powder, comprising second crosslinked polymer formed by additional crosslinking of the first crosslinked polymer by a surface crosslinking agent, wherein the surface crosslinking agent comprises a polymer type first surface crosslinking agent having number average molecular weight of 300 or more, and having plural hydroxy groups or epoxy groups. 1. A superabsorbent polymer comprising:a base resin powder comprising a first crosslinked polymer of water soluble ethylenically unsaturated monomers having acid groups of which at least a part are neutralized; anda surface crosslink layer on the base resin powder, comprising a second crosslinked polymer formed by additional crosslinking of the first crosslinked polymer by a surface crosslinking agent,wherein the surface crosslinking agent comprises a polymer first surface crosslinking agent having a number average molecular weight of 300 or more, and having plural hydroxy groups or epoxy groups.2. The superabsorbent polymer according to claim 1 , wherein the surface crosslinking agent further comprises a second surface crosslinking agent having a molecular weight less than 300 claim 1 , comprising:one or more polyols selected from the group consisting of ethylene glycol, propylene glycol, 1,3-propanediol, 1,4-butanediol, 1,6-hexanediol, 1,2-hexanediol, 1,3-hexanediol, 2-methyl-1,3-propanediol, 2,5-hexanediol, 2-methyl-1,3-pentanediol, 2-methyl-2,4-pentanediol ...

METHOD FOR MAKING POLYETHYLENE/GRAPHENE COMPOSITE

A method of forming a polyolefin-carbon nanomaterial composite which contains oriented electrically conductive pathways. The method involves milling a polyolefin with particles of a carbon nanomaterial, molding to form a composite plate, and subjecting the composite plate to an AC voltage. The AC voltage forms oriented electrically conductive pathways by partial dielectric breakdown of the composite. The presence of the oriented electrically conductive pathways gives the polyolefin-carbon nanomaterial electrical and thermal conductivity higher than the polyolefin alone. 1. A method for making a polyethylene/graphene composite , comprising:forming a mixture of graphene nanoplatelets and a low density polyethylene powder having a particle size of less than 500 μm,forming a composite powder by ball milling the mixture in a high-energy shaker,forming a composite plate by press molding the composite powder,placing a source electrode into the composite plate, andapplying an AC voltage of 1 to 50 kV to the composite plate through the source electrode to form the polyethylene/graphene composite,wherein the AC voltage is applied while the composite plate is disposed on a supporting ground electrode such that the source electrode does not contact the supporting ground electrode and the supporting ground electrode, the composite plate, and the source electrode are immersed in a non-conductive liquid medium,wherein the polyolefin-carbon nanomaterial composite has oriented electrically and thermally conductive pathways that comprise dendritic conductive channels in the polyethylene matrix which terminate at and originate from at least one selected from the group consisting of an exterior surface of the polyolefin-carbon nanomaterial composite, a channel created by the needle electrode, and a graphene nanoplatelet.2. (canceled)3. The method of claim 1 , wherein the AC voltage has a frequency of 55 to 65 Hz.4. The method of claim 1 , wherein the graphene nanoplatelets of the ...

Three-dimensional shaped article production apparatus

A three-dimensional shaped article production apparatus includes a shaping table, a layer forming section that forms a powder layer, a head that ejects a liquid containing a binder to a shaping region of a three-dimensional shaped article, a liquid supply system that supplies the liquid to the head, and a moving system that relatively moves the head with respect to the shaping table, wherein the head includes a nozzle that ejects the liquid, a pressure chamber that communicates with the nozzle, a supply flow channel that communicates with the pressure chamber upstream in a supply direction of the liquid, and a circulation flow channel that communicates with the pressure chamber downstream in the supply direction, the circulation flow channel includes a first filter, and a pore diameter of the first filter is larger than a particle diameter of a powder for forming the powder layer.

Deposition source evaporating apparatus and manufacturing method thereof

A deposition source evaporating apparatus includes a crucible set for accommodating a deposition source, a spray unit positioned on the crucible set, a heater positioned in the crucible set for heating the crucible set to evaporate the deposition source through the spray unit, and a heat radiation preventing plate surrounding the spray unit for blocking radiation of heat at a side of the spray unit. At least one of the crucible unit and the heat radiation preventing plate includes a carbon fiber composite material.

Method of recycling carbon fiber prepreg waste and transparent thermoplastic waste

The method of recycling carbon fiber prepreg waste and transparent thermoplastic waste includes shredding of a volume of transparent thermoplastic waste and a volume of carbon fiber prepreg waste, where the carbon fiber prepreg waste includes a colored backing film. The colored backing film may have a plurality of colors associated therewith, yielding a mixture of multi-colored shreds. A mold is filled with the shredded volume of transparent thermoplastic waste, and the mold is inserted and compressed in a hot press. The shredded volume of transparent thermoplastic waste is cured in the hot press to produce a transparent sheet. The shredded volume of carbon fiber prepreg waste is then heated, such as, for example, with hot air, and then spread on the transparent sheet. The heated, shredded volume of carbon fiber prepreg waste and the transparent sheet are hot pressed to form a colored sheet with a transparent protective layer.

Composition consisting of brewer's spent grains and polylactic acid and a method for making the same

A method for manufacturing a composition consisting of brewer's spent grains and polylactic acid includes the steps of: providing a raw material containing brewer's spent grains; providing a raw material containing polylactic acid; mixing the brewer's spent grains with the polylactic acid at a specific proportion; and providing a binder to enable the brewer's spent grains and the polylactic acid to be well mixed, and to maintain a desired tensile strength. A pretreatment unit includes a dehydration process, a desiccation process, a drying process, a grinding process and a sieving process. A granulator includes a double screw extruder connected with a cutting machine. The double screw extruder mixes the PLA material and the brewer's spent grains and extrudes them into plastic bars which are then cut into plastic granules by the cutting machine.

Apparatus for treatment of residual thermoplastic powder

An apparatus for the treatment of residual thermoplastic powder from an additive manufacturing process includes a feed apparatus for feeding powder, which includes the residual thermoplastic powder, to a pressing area, and two rotatable roller elements which are drivable in opposite directions. Lateral surfaces of the two rotatable roller elements are adjacent to one another in a pressing area and each laterally have a plurality of molding elements that are assigned to one another in pairs in order to compress powder into granules in the pressing area. Also, a cam mechanism is included and configured to deflect the molding elements of one of the two rotatable roller elements radially depending on the angle of rotation.

METHOD AND DEVICE FOR POLYMER PULVERISATION EXTRUSION

The present invention generally relates to polymeric materials pulverisation. More particularly, the present invention relates to an extrusion method and device for producing particulate deformed polymers having a more useful resultant devulcanised surface area for downstream industrial usage. Specifically, the present invention relates to a pulverisation extrusion method and device that utilises the herein described specific combination of variable feed screw torque and variable main screw speed together with coupled temperature control of the extruder barrel and extruder main screw.

CLEANING SYSTEM AND METHOD FOR USE IN DISLODGING PARTICLES FROM A FILTER

A cleaning system for use with a filter is described herein. The cleaning system includes a housing including a main enclosure defining an interior sized to receive the filter, a collection vessel coupled in communication with the housing, and a nozzle configured to direct a stream of air towards the filter to dislodge particles from the filter. A pneumatic suction device is coupled in communication with the collection vessel, wherein the pneumatic suction device is configured to draw the particles dislodged from the filter towards the collection vessel. 1. A cleaning system for use with a filter , the cleaning system comprising:a housing comprising a main enclosure defining an interior therein sized to receive the filter;a collection vessel coupled in communication with the housing;a nozzle configured to direct a stream of air towards the filter to dislodge particles from the filter; anda pneumatic suction device coupled in communication with the collection vessel, wherein the pneumatic suction device is configured to draw the particles dislodged from the filter towards the collection vessel.2. The cleaning system in accordance with claim 1 , wherein the cleaning system is isolated from ignition sources.3. The cleaning system in accordance with further comprising a pneumatic vibrator coupled to the housing for dislodging particles accumulated on an interior surface of the housing.4. The cleaning system in accordance with claim 3 , wherein the housing further comprises a duct extending from the main enclosure claim 3 , wherein the pneumatic vibrator is coupled to the duct.5. The cleaning system in accordance with further comprising a grate between the main enclosure and the duct claim 4 , wherein the grate defines a bottom wall of the main enclosure.6. The cleaning system in accordance with claim 1 , wherein the housing further comprises a transparent window that provides a view into the interior from exterior of the housing.7. The cleaning system in accordance with ...

CAPSULE FOR DISPENSING BEVERAGES AND METHOD FOR ITS MANUFACTURE

It is described a capsule () for dispensing a beverage comprising: a main body () suitable for containing a product (P) to be dispensed, which comprises a bottom () and a side wall (), extending from said bottom () and ending with an edge (); a closing member () suitable for sealably closing said main body (); and at least one first valve means () suitable for allowing the beverage to come out from the capsule () or for allowing a liquid to enter into the capsule (). The main body () is made from cellulose pulp, the closing member () is made from biocompatible material and the capsule () further comprises a first sealing film made from edible material comprising at least one salt of alginic acid () and positioned inside said bottom () of the main body () at least at said at least one first valve means (). It is also described a method for manufacturing a capsule for dispensing a beverage, as defined above. 120-. (canceled)21. A capsule for dispensing a beverage comprising:a main body configured to contain a product to be dispensed, the main body comprising a bottom wall and a side wall extending from said bottom wall and ending with an edge;a closing member configured to close said main body in a sealing manner; anda first valve configured to allow the beverage to come out from the capsule or to allow a liquid to enter into the capsule,wherein said main body is made of cellulose pulp,wherein said closing member is made of biocompatible material, andwherein the capsule comprises a first sealing film made of an edible material comprising at least one salt of alginic acid, the sealing film being applied inside said main body on the bottom wall of the main body at least at said first valve.22. The capsule according to claim 21 , wherein said closing member is made of filter paper.23. The capsule according to claim 22 , wherein said closing member is coupled with a film made of micro-perforated cellulose.24. The capsule according to claim 22 , wherein said closing member ...

FILTER PLATE FOR PLASTIC PROCESSING APPARATUS

Disclosed is a filter plate for a plastic processing apparatus, including: V-shaped grooves equidistantly formed in a plane of a mesh plate of the filter plate, V-shaped convex structures between adjacent V-shaped grooves. Filter holes having a predetermined aperture are provided on the bottom of the V-shaped grooves, and the side surfaces of the V-shaped convex structures. The top ends of the V-shaped convex structures are not provided with holes, and the outermost outer side of the V-shaped convex structure is facing downward without being provided with holes. The present invention increases the filtering area by 3-4 times without changing the aperture of filter hole, effectively extends the change cycle of filter during plastic production, and reduces waste of raw materials and the frequency of replacing filter plate during production and the labor intensity of the operators, which is beneficial to production safety and improvement of economic efficiency. 110. A filter plate () for plastic processing apparatus , comprising:{'b': 1', '10, 'V-shaped grooves () formed equidistantly in a plane of a mesh plate of the filter plate ();'}{'b': 2', '1, 'V-shaped convex structures () formed between adjacent V-shaped grooves (); and'}{'b': 3', '1', '2, 'filter holes () having a predetermined aperture are formed in bottoms of the V-shaped grooves () and side surfaces of the V-shaped convex structures (),'}{'b': '2', 'wherein the top ends of the V-shaped convex structures () are not provided with any holes, and'}{'b': '2', 'wherein outer side of outermost one of the V-shaped convex structures () is facing downward without being provided with any holes.'}210110. The filter plate () for plastic processing apparatus according to claim 1 , wherein the V-shaped grooves () have a depth of ¾-½ of the thickness of the filter plate () and an included angle of 30-60 degrees.31010. The filter plate () for plastic processing apparatus according to claim 1 , wherein a folded portion of ...

Vorrichtung zum aufbereiten von thermoplastischem kunststoffgut

Processes and apparatus for polymer finishing and packaging

Provided are apparatus and methods relating to the finishing line of a continuous solution polymerization plant. In one aspect, an apparatus includes a pelletizer having cooling liquid, e.g., water or aqueous solution, into which is added a pelletization aid. In another aspect, the apparatus comprises means to remove residual polymer particles from the pelletizer cooling liquid. In a further aspect, the apparatus comprises conduits of at least 50 m in length for carrying propellant cooling liquid from the pelletizer to a drying apparatus. The residence time of the pellets in the cooling liquid may be 10 seconds or more. In a further aspect, a drying apparatus is provided for the pellets which comprises first and second drying zones. In a further aspect, a pneumatic conveyor is provided for carrying pellets to a packaging apparatus. In a further aspect, a packaging apparatus is provided comprising a blender silo.

Tire feeding structure for tire shredding apparatus

Feeding structure for tire shredding apparatus comprises a set of studded rollers defining a feed mouth opening into a feed throat that leads into the tire shredding mechanism. Forwardly placed lower and upper rolls rotate at different speeds, the upper faster than the lower and preferably having its studs configured to provide sharp points for penetrating into the tire and positively advancing it rearwardly toward the shredding mechanism. An endless conveyor carries individual tires sequentially into the feed mouth flatwise and the throat preferably slopes downwardly to present each tire to, but tilted backwardly from, the shredding mechanism. The rolls are mounted in a protective cover for the shredding mechanism, which cover is pivoted, so as to rise and fall in accordance with tire thickness, and is mounted on shock absorbers and preferably in supplemental, pivot supporting brackets.

IMPROVED POWDER FOR ADDITIVE MANUFACTURING

Disclosed is a composition including at least one polymer, wherein the polymer is in the form of a powder, and wherein the polymer includes at least one thermoplastic polymer. The thermoplastic polymer is selected from at least one polyaryletherketone and/or a copolymer and/or a block-copolymer and/or a polymer blend thereof, wherein the composition has a melt volume rate (MVR) of at least 5 cm/10 min and a process of manufacturing and a use thereof. Also disclosed are a process for the manufacture of a construction element and the construction element thereof. 1. Composition comprisingat least one polymer,wherein the polymer is in the form of a powder, andwherein the polymer comprises at least one thermoplastic polymer,wherein the thermoplastic polymer is selected from at least one polyaryletherketone as well as a copolymer and/or block-copolymer and/or a polymer blend thereof,{'sup': 3', '3, 'wherein the composition has a melt volume rate (MVR) of at least 5 cm/10 min, and/or not more than 55 cm/10 min.'}2. Composition according claim 1 , wherein the at least one polyaryletherketone is selected from the group of polyetherketoneketone (PEKK) claim 1 , from the group of polyetheretherketone (PEEK) claim 1 , from the group of copolymers of PEKK and from the group of copolymers of PEEK.3. Composition according to claim 1 , wherein the polymercomprises at least one semicrystalline polymer,and/orat least one amorphous polymer.5. Composition according to claim 1 , wherein the polyaryletherketone has a melting temperature Tm of at least about 250° C. claim 1 , and/or up to about 320° C. claim 1 , and/or wherein the polyaryletherketone has a glass transition temperature Tg of at least about 120° C. claim 1 , and/or not more than about 200° C.6. Composition according to claim 2 , wherein the polyetherketoneketone (PEKK) has an extrapolated starting temperature of melting Tof at least 250° C. claim 2 , and/or up to 285° C.7. Composition according to claim 2 , having a ...

Process for removal of contaminants from contaminated thermoplastic

A method for reducing an amount of a contaminant in a thermoplastic polymer comprising shearing a combination comprising a contaminated thermoplastic polymer in melt form, water, and a dispersing agent where the shearing causes a portion of the contaminant to be removed from the contaminated thermoplastic polymer (e.g. moved into an aqueous phase with the water or into another separate phase from the water and the polymer), and after shearing, separating the thermoplastic from the aqueous phase to recover thermoplastic polymer.

高熔体强度聚丙烯以及用于保持熔体强度的挤出方法

将聚丙烯熔融掺混的方法以及由此形成的熔融掺混的聚丙烯，该方法包括提供基体聚丙烯，该基体聚丙烯的MFR小于15g/10min以及分子量分布(Mw/Mn)至少为5‑16，以及包含受阻酚抗氧化剂和磷类抗氧化剂，以及5ppm至4000ppm烷基自由基清除剂，相对于组分总重量以形成熔融掺混的聚丙烯；在至少210℃的温度下将熔融掺混的聚丙烯熔融掺混；和将熔融掺混的聚丙烯分离。

Powder compositions made of thermoplastics and use of the compositions

Die Erfindung betrifft mehrere pulverförmige Zusammensetzungen auf der Grundlage von thermoplastischen Kunststoffen wie Copolyamid (CoPA), Niederdruckpolyethylen (HDPE), Copolyester (CoPES), Polyurethan (TPU) und Polypropylen (PP) zur Verwendung bei der Herstellung von dreidimensionalen Formkürpern in schichbmeiser Fertigung. Die Zusammensetzungen enthalten wenigstens ein thermoplastisches Kunststoffpulver und ist dadurch gekennzeichnet, dass das Kunststoffpulver einen Schmelzpunkt von unter 155 °C und einen Schmelzflussindex bei 160 °C (2.16 kg) von 1 bis 50 g/10 min. aufweist. The invention relates to a plurality of powdered compositions based on thermoplastics such as copolyamide (CoPA), low density polyethylene (HDPE), copolyester (CoPES), polyurethane (TPU) and polypropylene (PP) for use in the manufacture of three-dimensional moldings in shallow production. The compositions contain at least one thermoplastic plastic powder and is characterized in that the plastic powder has a melting point below 155 ° C and a melt flow index at 160 ° C (2.16 kg) of 1 to 50 g / 10 min. having.

Non-cryogenic process for grinding polyolefin drag reducing agents

A process for producing fine particulate polymer drag reducing agent (DRA) by without cryogenic temperatures, is described. The grinding or pulverizing of polymer, such as poly(alpha-olefin) may be achieved by the use of at least one solid organic grinding aid and at least one liquid grinding aid. In one non-limiting embodiment of the invention, the grinding is conducted at ambient temperature. Examples of a solid organic grinding aid include ethene/butene copolymer particles, paraffin waxes and solid alcohols. An example of a suitable liquid grinding aid includes a blend of glycol, water and isopropyl alcohol. Particulate DRA may be produced at a size of about 500 microns or less. Use of an attrition mill is preferred.

Dissolving polymers in compatible liquids and uses thereof

This invention provides a technique for extremely rapid dissolution, or dispersion on essentially the molecular level, of certain polymeric materials in compatible liquid vehicles. The polymeric materials are comminuted at cryogenic temperatures and are then introduced into a liquid vehicle preferably while still at or near cryogenic temperature. At low concentrations, the resulting blend or system displays reduced friction to flow while high concentrations may be used to immobilize the liquid vehicle and/or reduce its vapor pressure.

Non-cryogenic process for grinding polyolefin drag reducing agents

A process for producing fine particulate polymer drag reducing agent (DRA) without cryogenic temperatures, is described. The grinding or pulverizing of polymer, such as poly(alpha-olefin) may be achieved by the use of at least one solid organic grinding aid and at least one liquid grinding aid. In one non-limiting embodiment of the invention, the grinding is conducted at ambient temperature. Examples of a solid organic grinding aid include ethene/butene copolymer particles, paraffin waxes and solid alcohols. An example of a suitable liquid grinding aid includes a blend of glycol, water and isopropyl alcohol. Particulate DRA may be produced at a size of about 500 microns or less. Use of an attrition mill is preferred.

마이크로 c-60을 적용한 식품포장용 항균성 진공압축 플라스틱 필름의 제조공정 및 그를 통해 제조된 항균성 진공압축 플라스틱 필름

본 발명은 마이크로 C-60을 적용한 식품포장용 항균성 진공압축 플라스틱 필름의 제조공정 및 그를 통해 제조된 항균성 진공압축 플라스틱 필름에 관한 것으로, 본 발명은 천연물로서의 C-60(풀러렌;Fullerene)을 적용하되 3 내지 7 마이크로미터 범위의 입도를 갖는 마이크로 타입으로 미분화된 원료로 혼합 적용하여 플라스틱 필름을 성형함으로써 음식물 포장을 위한 항균성 등을 향상시킴과 동시에 공기차단성 및 강도를 더욱 강화할 수 있도록 하는 한편, 별도의 박막 코팅이나 접합이 아닌 필름 자체에 항균성분 등을 가지는 천연 재질을 함유토록 성형하여 항균성을 포함한 공기차단성 및 강도를 더욱 향상시킴에 따라 유통과정에서의 음식물 변질을 더욱 안정적으로 방지할 수 있는 것이다.

A mixing device for plastic material

An arrangement for mixing and kneading plastic materials, includes a pair of horizontal plates which are arranged coaxially and which are spaced apart, a mixing zone between the plates, an inlet opening and an outlet. Grooves are located in the two work surfaces so that the grooves of the two surfaces cross each other when the surfaces are rotated. The arrangement is efficient and simple.

Patent RU2017102221A3

7 ВИ“? 2017102221"” АЗ Дата публикации: 21.01.2019 Форма № 18 ИЗ,ПМ-2011 Федеральная служба по интеллектуальной собственности Федеральное государственное бюджетное учреждение ж 5 «Федеральный институт промышленной собственности» (ФИПС) ОТЧЕТ О ПОИСКЕ 1. . ИДЕНТИФИКАЦИЯ ЗАЯВКИ Регистрационный номер Дата подачи 2017102221/05(003851) 25.06.2015 РСТЛО$2015/037616 25.06.2015 Приоритет установлен по дате: [ ] подачи заявки [ ] поступления дополнительных материалов от к ранее поданной заявке № [ ] приоритета по первоначальной заявке № из которой данная заявка выделена [ ] подачи первоначальной заявки № из которой данная заявка выделена [ ] подачи ранее поданной заявки № [Х] подачи первой(ых) заявки(ок) в государстве-участнике Парижской конвенции (31) Номер первой(ых) заявки(ок) (32) Дата подачи первой(ых) заявки(ок) (33) Код страны 1. 62/016,722 25.06.2014 05 Название изобретения (полезной модели): [Х] - как заявлено; [ ] - уточненное (см. Примечания) ПОЛИПРОПИЛЕН С ВЫСОКОЙ ПРОЧНОСТЬЮ РАСПЛАВА И СПОСОБ ЭКСТРУЗИИ ДЛЯ СОХРАНЕНИЯ ПРОЧНОСТИ РАСПЛАВА Заявитель: ЭКСОНМОБИЛ КЕМИКЭЛ ПЕЙТЕНТС ИНК., 4$, БАСФ СЕ, ОЕ 2. ЕДИНСТВО ИЗОБРЕТЕНИЯ [Х] соблюдено [ ] не соблюдено. Пояснения: см. Примечания 3. ФОРМУЛА ИЗОБРЕТЕНИЯ: [Х] приняты во внимание все пункты (см. Примечания) [ ] приняты во внимание следующие пункты: [ ] принята во внимание измененная формула изобретения (см. Примечания) 4. КЛАССИФИКАЦИЯ ОБЪЕКТА ИЗОБРЕТЕНИЯ (ПОЛЕЗНОЙ МОДЕЛИ) (Указываются индексы МПК и индикатор текущей версии) СОТ. 23/10 (2006.01) (08.1 3/20 (2006.01) СО$К 5/13 (2006.01) СОЗК 5/49 (2006.01) 5. ОБЛАСТЬ ПОИСКА 5.1 Проверенный минимум документации РСТ (указывается индексами МПК) С08Г.23/00-23/36, С0813/00-3/28, С08К5/00-5/59 5.2 Другая проверенная документация в той мере, в какой она включена в поисковые подборки: 5.3 Электронные базы данных, использованные при поиске (название базы, и если, возможно, поисковые термины): Езрасепе, боозе, Раеагсв, КОРТО, Уапдех 6. ДОКУМЕНТЫ, ОТНОСЯЩИЕСЯ К ПРЕДМЕТУ ПОИСКА ...

一种具有粉碎功能的上料装置

本发明公开一种具有粉碎功能的上料装置，包括底板，底板的顶部左右两侧分别固接有左支撑架和右支撑架，左支撑架和右支撑架的上端内腔插接有转动轴，转动轴的外壁套接有皮带传动轮，两个皮带传动轮之间连接有传动皮带，传动皮带上固接有挡板，左支撑架和右支撑架的顶部固接有传动限位板，底板的顶部左侧固接有两组第一支撑杆，第一支撑杆的顶部固接有支撑板，支撑板的顶部中心处设有搅拌驱动装置，第二支撑杆的顶部固接有搅拌箱，搅拌箱的底部中心连接有出料管，搅拌箱的顶部左侧开有进料管。本发明解决了在上料的原物料中，物料有时会不均匀，有块状原料掺杂在里面，不能很好的粉碎，影响生产性能的问题。

Apparatus for processing plastic material

본 발명은 회전축(10)을 중심으로 회전할 수 있는 혼합 및/또는 분쇄 기구(3)를 갖는 용기(1)를 포함하는 플라스틱을 전처리하고 후속하여 이송 또는 가소화하기 위한 장치에 관한 것으로, 측방향 벽(9)에 개구(8)가 형성되고, 이를 통해 플라스틱 재료가 배출될 수 있으며, 다중-스크류 컨베이어(5)는 하우징(16) 내에서 회전하는 스크류(6)를 구비한다. 본 발명은 컨베이어(5)의 종방향 축(15)의 가상 연장부가 이송 방향(17)의 반대로 회전축(10)에 의해 통과하고 종방향 축(15)이 종방향 축(15)에 평행한 반경(11)에 대해 거리(18) 만큼 오프셋된 유출 측 상에 있는 것을 특징으로 한다. 용기(1)의 측벽(9)의 내부 표면에 대한 기구의 반경방향 거리(mb)는 15 mm 내지 120 mm의 범위 내에 있어서 다음의 관계식 mb = k * D B 를 따르며, 여기서, D B 는 용기(1)의 내경(mm 단위)이며, k는 0.006 내지 0.16의 범위에 있는 상수이다. The present invention relates to an apparatus for pretreating and subsequently conveying or plasticizing a plastic comprising a container (1) having a mixing and / or grinding mechanism (3) capable of rotating about a rotary shaft (10) An opening 8 is formed in the direction wall 9 through which the plastic material can be discharged and the multi-screw conveyor 5 has a screw 6 rotating in the housing 16. The invention is characterized in that the imaginary extension of the longitudinal axis 15 of the conveyor 5 is passed by the rotary axis 10 in the opposite direction of the conveying direction 17 and the longitudinal axis 15 passes through a radius Is offset on the outlet side by a distance (18) with respect to the housing (11). Radial distance (mb) of the device to the internal surface of the side wall 9 of the container 1 will follow the following relationship: mb = k * D B in the range of 15 mm to 120 mm, where, D B is the container (Mm) of the inner shell 1, and k is a constant in the range of 0.006 to 0.16.

Apparatus for processing plastic material

본 발명은 회전축(10)을 중심으로 회전할 수 있는 혼합 및/또는 분쇄 기구(3)를 갖는 용기(1)를 포함하는 플라스틱을 처리하고 후속하여 이송 또는 가소화하기 위한 장치에 관한 것으로, 측방향 벽(9)에 개구(8)가 형성되고, 이를 통해 플라스틱 재료가 배출될 수 있으며, 컨베이어(5)는 하우징(16) 내에서 회전하는 스크류(6)를 구비한다. 본 발명은 컨베이어(5)의 종방향 축(15)의 가상 연장부가 이송 방향(17)에 상반되는 방향으로 회전축(10)을 지나가고, 종방향 축(15)은 종방향 축(15)에 평행한 반경(11)에 관한 거리(18)만큼 유출 측부 상에서 오프셋되며, 용기(1)의 내부 벽 영역 상에서, 용기(1)의 내부 내로 지향된 하나 이상의 바 형상 디플렉터(50)가 존재하며, 그의 높이 프로파일은, 위에서 부터 보면, 혼합 기구(3)의 회전 방향(12)으로 감소하며, 이에 의해 그의 길이에 걸쳐 혼합 기구(3)들의 회전 축(10)에 대해 수직한 평면(E)에 포함된 각도는 예각(acute angle)(α)이다. The present invention relates to an apparatus for processing and subsequently conveying or plasticizing a plastic comprising a container (1) having a mixing and / or grinding mechanism (3) capable of rotating about a rotary shaft (10) An opening 8 is formed in the direction wall 9 through which the plastic material can be discharged and the conveyor 5 has a screw 6 rotating in the housing 16. The invention is characterized in that the imaginary extension of the longitudinal axis 15 of the conveyor 5 passes the rotary axis 10 in a direction opposite to the conveying direction 17 and the longitudinal axis 15 is parallel to the longitudinal axis 15 There is at least one bar shaped deflector 50 which is offset on the outlet side by a distance 18 with respect to a radius 11 and which is directed into the interior of the vessel 1 on the inner wall area of the vessel 1, The height profile decreases from the top in the direction of rotation 12 of the mixing mechanism 3 and thereby extends over the length thereof into the plane E perpendicular to the axis of rotation 10 of the mixing mechanisms 3 The angle formed is the acute angle ([alpha]).

Apparatus for mincing rubber

一种乳胶床垫生产用乳胶浆除杂装置

本发明提供本发明公开了一种乳胶床垫生产用乳胶浆除杂装置，包括外壳筒，所述外壳筒的左侧面开设有第三通孔，所述外壳筒的内腔底面转动安装有转杆，所述转杆的表面下部固定套接有第二从动齿轮，所述外壳筒的内腔底面右侧固定安装有第二电机，所述第二电机的输出端固定安装有与第二从动齿轮啮合的第二主动齿轮，所述外壳筒的内环面下部固定插接有挡板，且挡板套接于转杆的下部，所述转杆的表面中部固定套接有螺纹刀，所述转杆的表面上部固定套接有刀片，通过给外壳筒加装转杆、螺纹刀、刀片、固定环、固定筒和广口罩，实现了刀片将大块的橡树皮切成小块，螺纹刀再将小块的橡树皮切碎的效果，达到了防止大块橡树皮卡在螺旋叶内的目的。

Apparatus for processing plastic material

본 발명은 회전축(10)을 중심으로 회전할 수 있는 혼합 및/또는 분쇄 기구(3)를 갖는 용기(1)를 포함하는, 플라스틱을 전처리하고 후속하여 이송 또는 가소화하기 위한 장치에 관한 것으로, 측방향 벽(9)에 개구(8)가 형성되고, 이를 통해 플라스틱 재료가 배출될 수 있으며, 컨베이어(5)는 하우징(16) 내에서 회전하는 스크류(6)를 구비한다. 본 발명은 컨베이어(5)의 종방향 축(15)의 가상 연장부는 이송 방향(17)에 상반되는 회전축(10)에 의해 지나가고, 종방향 축(15)은 종방향 축(15)에 평행한 반경(11)에 관한 거리(18)만큼 출구 측부 상에서 오프셋되는 것을 특징으로 한다. 능동 용기 체적(SV)은 용기 또는 커터 콤팩터(1)의 공급 체적(BV)에 대하여 V = SV / BV 인 비율(V)의 관계에 있고, 여기서 4 ≤ V ≤ 30, 이고, 능동 용기 체적(SV)은 공식 를 갖고, D 는 용기(1)의 내경이며, 공급 체적(BV)은 공식 에 따라 결정되고, H 는 공급 개구(80)의 높이를 나타낸다. The present invention relates to an apparatus for pretreating and subsequently conveying or plasticizing a plastic, comprising a container (1) having a mixing and / or grinding mechanism (3) which is rotatable about a rotating shaft (10) An opening 8 is formed in the lateral wall 9 through which the plastic material can be discharged and the conveyor 5 has a screw 6 rotating in the housing 16. The present invention is characterized in that the imaginary extension of the longitudinal axis 15 of the conveyor 5 is passed by the counter-rotating axis 10 in the conveying direction 17 and the longitudinal axis 15 is parallel to the longitudinal axis 15 Is offset on the exit side by a distance (18) with respect to the radius (11). The active container volume SV is in a relation of a ratio V of V = SV / BV to a supply volume BV of the container or cutter compactor 1, where 4? V? 30, (SV) is the formula D is the inner diameter of the vessel (1), and the supply volume (BV) , And H represents the height of the feed opening 80. [0050]

Method and device for processing of polymeric material (modifications)

FIELD: processing of polymeric materials, for example, production of powder from polymeric materials reinforced by high-strength fibres and metal wire. SUBSTANCE: method consists in compression of the material and subsequent action of shearing stress in the presence of pressure. Compression is accomplished at a pressure of 0.7 to 100 MPa, and the subsequent action is accomplished by amplitude-modulated shearing stress at a frequency of 0.3 to 1000 Hz and modulation depth within 0.05 to 1 at the maximum values of shearing stress within 1 to 50 N/sq.mm, compression and subsequent action by amplitude-modulated shearing stress are accomplished at cooling. The device for processing of polymeric material has a cylindrical body provided with charging and discharge openings, accommodating a packing screw with helical flutes on the surface in the zone of packing, and a rotor is positioned in the zone of milling, made as a body of revolution and installed coaxially with the body inner surface with formation of an annular gap relative to it for rotation and in alignment with the packing screw. The device is provided with means for cooling the rotor and/or body in the zone of milling. Positioned in the milling zone is a shearing stress modulator located either between the packing screw and the rotor, or on the inner surface of the body. The shearing stress modulator located between the packing screw and the rotor is made as a low-height body made either in the form of an elliptic cylinder, whose axis is parallel with the cylinder generating line and passes through its center of gravity, coincides with the axis of rotation of the rotor, or in the form of a rectangular polyhedral prism whose axis is parallel with the ribs and passes through its center of gravity, coincides with the axis of rotation of the rotor, or in the form of a body of rotation made with longitudinal and/or inclined grooves on the lateral surface, whose axis of rotation coincides with the axis of rotation of ...

建筑材料用聚苯乙烯泡沫板二次加工方法

本发明提供了建筑材料用聚苯乙烯泡沫板二次加工方法，其通过对聚苯乙烯原材料进行粉碎处理、研磨处理、杂质筛选与过滤处理、加热融化处理、冷却处理和成型处理，以此制成聚苯乙烯泡沫板，并且还通过对聚苯乙烯熔融体添加不同功能性添加剂和泵送保护气体，以此提高聚苯乙烯泡沫板的抗腐蚀性和降低其重量，此外还对聚苯乙烯泡沫板进行裁剪切割处理、防水处理和保护膜层成型处理，从而使该聚苯乙烯泡沫板能够具备良好的防水性能和便于相互之间进行任意的组装拼接，这样能够降低其制作难度和制作成本以及改善其机械强度和保温性能。

一种合成膜塑化成膜装置

本发明公开一种合成膜塑化成膜装置，其中，包括对原料进行密炼挤出的双螺杆挤出机，以及过滤和输送成料的输送装置，所述双螺杆挤出机的出料口与所述输送装置的进料口连接。采用上述结构后，本发明先将原料送至双螺杆挤出机内，双螺杆挤出机内设有两个密炼挤出螺杆，所述密炼挤出螺杆具有密炼段以及挤出段，原料输送至双螺杆挤出机后，先通过密炼段对原料进行充分的一次高温剪切、搅拌加工，然后再通过挤出段对原料进行二次高温加工，之后将成料挤出至输送装置进行二次过滤并输送至模具进行薄膜成型与现有技术相比，本发明将传统的二次加工成型改进为采用双螺杆挤出机一次加工成型，大大降低了原料和成本损耗。

一种混杂塑料挤出造粒工程的颗粒筛分装置

一种混杂塑料挤出造粒工程的颗粒筛分装置，包括筛体，筛体的上端和下端分别设有进料口和出料口，筛体内由上至下设有第一筛网、第二筛网和第三筛网，出料口处还设有废料口，第一筛网、第二筛网和第三筛网的下端设有使第一筛网、第二筛网和第三筛网与出料口连接或使第一筛网、第二筛网和第三筛网与废料口连接的迎料装置，筛体的后端设有工作箱，本发明能够更好的对物料进行筛分，控制方便，能够完整的对筛网进行清理，清理效果好，且通过设置有出料口和废料口以及迎料装置能够避免在清理时落下的渣滓通过出料口进入物料收集装置内。

一种改性聚酯树脂制备装置及其制备方法

本发明公开了一种改性聚酯树脂制备装置及其制备方法，包括釜体，釜体的底端均匀的设有若干支腿，釜体的顶端贯通连接加料孔，所述加料孔的顶端贯通连接加料斗，所述釜体的底端固定连接冷却成型装置，釜体的底端通过第一连通孔贯通连接冷却成型装置，所述冷却成型装置的底端贯通连接破碎组件，所述釜体的内腔设有混合加热组件；本发明通过混合加热组件进行加热、混料生产，生产后的成品通过第一连通孔流入冷却成型装置内进行冷却成型生产，冷凝成型后的成品直接排入破碎组件内，并在破碎组件的作用下进行破碎生产，整个制备反应、冷却成型和破碎生产集约在一起，减少另行投料的次数，能有效的缩短非加工时间，进而大幅提升生产效率。

Rotordisc

Equipment for the production of synthetic resin materials

Method and device for making powder of polymeric material

FIELD: mechanical engineering. SUBSTANCE: heating is carried out up to temperature 30-250 C in two stages: first at the pressure growth from 0.1-0.5 till 3-100 MPa, then under isobaric conditions at shifting deformations 0.3-10 during 0.3-5 s. Grinding is carried out at pressure drop up to 0.1-0.5 MPa. The device is equipped with thickening chamber located in front of grinding one coaxial to it and made as cylindrical housing with charging window and discharging hole. Thickening worm with spiral grooves on the surface is mounted inside housing of thickening chamber for material shifting in the direction of grinding chamber. The groove depth gradually decreases towards discharging hole. Ring-shaped turning with depth 1-8 mm in its shallow part is made on the surface of thickening worm on its end disposed near discharging hole of thickening chamber and/or on the surface of grinding rotor on its end disposed near inlet hole of grinding chamber. The thickening worm is joined to grinding rotor for independent or joint rotation or made as a whole with it. EFFECT: enhanced efficiency. 11 cl, 2 dwg, 1 tbl $10156 0с ПЧ Го (19) РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ ВИ” 2 057 013. (51) МПК 13) Сл В 29 В 17/00 12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21), (22) Заявка: 94004110/26, 07.02.1994 (46) Дата публикации: 27.03.1996 (56) Ссылки: 1. Благонравова А.А. и Непомнящий А.И. Лаковые эпоксидные смолы. М.: Химия, 1970. 2. Патент Швейцарии М 412294, кл. 39 АЛ, 1/12, 1963. 3. Авторское свидетельство СССР М 1213612, кл. В 29В 13/10, 1993. 4. Авторское свидетельство СССР М 1120587, кл. В 2ЭВ 13/10, 1993. (71) (72) (73) Заявитель: Акционерное общество закрытого типа "Родан' (КУ) Изобретатель: Никольский В.Г., Горьков Д.А., Балыбердин В.Н., Рубинштейн М.Р., Халявин И.И., Александрова Л.Б. , Машинская Г.П., Рудой В.А. Патентообладатель: Акционерное общество закрытого типа "Родан (КО), Общество с ограниченной ответственностью "Стимул Н и П" (КО), Товарищество ...

Material disintegrating device

1. УСТРОЙСТВО ДЛЯ ИЗМЕЛЬЧЕНИЯ МАТЕРИАЛОВ, преимущественно резиновых и резинотканевых отходов, содержащее неподвижньй горизонтальный цилиндрический корпус и размещенный в нем ротор с продольными лопаст ми, отличающеес  тем, что, с целью обеспечени  возможности измельчени  материалов любой формы в крошку различной дисперсности, оно снабжено дисковыми ножами, установленными на параллельном ротору валу, расположенном под цилиндрическим корпусом, причем лопасти ротора и цилиндрический корпус выполнены с пазами дл  j прохождени  режущих кромок дисковых ножей. 1. A DEVICE FOR CRUSHING MATERIALS, mainly rubber and rubber-fabric waste, containing a stationary horizontal cylindrical body and a rotor with longitudinal blades placed in it, characterized in that, in order to enable the grinding of materials of any shape into crumb of various dispersity, it is equipped with circular knives mounted on a shaft parallel to the rotor, located under the cylindrical body, the rotor blades and the cylindrical body being made with grooves for j passing cutting edges of circular knives.

Patent JPS6410161B2

一种制备沥青改性剂的熔融共混机及其工作方法

本发明公开了一种制备沥青改性剂的熔融共混机，包括：基座、入料口、计量仓、熔融仓、混合碎料仓、筛选仓和出料口，所述基座顶部设置有入料口，所述入料口一端连接设置有计量仓，所述计量仓设置于基座内，所述计量仓底部连接设置有熔融仓，所述熔融仓底部连接设置有混合碎料仓，所述混合碎料仓底部连接设置有筛选仓，所述筛选仓底部连接设置有出料口，所述出料口穿出基座；一方面提供了定量给料的结构，保证了物料比例的精准，产品质量高，另一方面对加工产品进行了分选，控制了粒径范围，大大提高了产品质量。

Extruder

한 압출기가 하나의 프레임, 재료 입구부와 재료 출구부를 구비한 압출 프레스, 상기 압출 프레스를 위한 구동장치, 상기 재료 출구부 부근에 위치한 다이, 상기 구동 장치에 결합되는 절단기를 구비한다. 상기 압출 프레스에 적어도 두개 이상의 교체 가능한 다이와 그리고/또는 절단기를 위한 지지 부재를 갖는 교체장치가 구비되고, 상기 지지부재는 압출 프레스에 대한 재료 출구부의 평면에 대체로 평행한 평면에 이동 가능하게 설치된다. An extruder has a frame, an extrusion press with a material inlet and a material outlet, a drive for the extrusion press, a die located near the material outlet, and a cutter coupled to the drive. The extrusion press is provided with a replacement device having at least two or more replaceable dies and / or support members for the cutter, the support members being movable in a plane generally parallel to the plane of the material outlet for the extrusion press.

一种具有贴紧功能的塑料制品生产用原料筛分设备

一种具有贴紧功能的塑料制品生产用原料筛分设备，包括筛选框，筛选框为敞口状，所述筛选框两侧壁上对称固定连接有上下振动装置，所述上下振动装置包括安装座、第一电机、第一转轴、齿轮和齿条，所述安装座固定设置在筛选框外侧壁上，第一电机固定设置在安装座上，所述第一电机的输出轴固定连接有第一转轴，第一转轴另一端固定连接有齿轮，所述齿轮啮合有齿条；所述筛选框外侧壁上通过两个固定柱固定连接有支撑套筒，齿条穿过支撑套筒向上延伸。与现有技术相比，本发明的有益效果是利用上下振动装置来实现筛网的上下振动，相比传统技术而言，该种振动方法振动更大，其对筛选的振动效果也更佳，由此实现良好的筛选效果。

Device for processing polymer material

FIELD: chemistry. SUBSTANCE: invention relates to a device for preliminary treatment and further transportation or plastification of polymers. Device comprises a hopper (1) with a mixing and/or grinding tool (3) that can rotate about a rotational axis (10), wherein an opening (8) is formed in a lateral wall (9) of hopper (1) through which polymer material can be discharged and a conveyor (5) is provided with a screw (6) rotating in a housing (16). Imaginary continuation of longitudinal axis (15) of conveyor (5) runs opposite transport direction (17) of conveyor (5) past axis of rotation (10). Longitudinal axis (15) on outlet side is offset by distance (18) from parallel longitudinal axis (15) of radial line (11). Radial distance (mb) of tool to inner surface of side wall (9) of hopper (1) is equal to 15-120 mm and satisfies relationship mb = k·D B , where D B is inner diameter of hopper (1), mm, and k is in range of 0.006-0.16. EFFECT: technical result achieved when using device according to invention consists in providing tightening screw without problems of susceptible or strip-like materials for processing or processing with high quality. 19 cl, 6 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК B29B 17/04 B29B 13/10 B29C 47/10 B02C 18/08 B01F 15/02 (13) 2 582 710 C2 (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2014119374/05, 12.10.2012 (24) Дата начала отсчета срока действия патента: 12.10.2012 (72) Автор(ы): ФЕЙХТИНГЕР Клаус (AT), ХАКЛЬ Манфред (AT) 14.10.2011 AT A1501/2011 (43) Дата публикации заявки: 20.11.2015 Бюл. № 32 R U (73) Патентообладатель(и): ЭРЕМА ЭНДЖИНИРИНГ РИСАЙКЛИНГ МАШИНЕН УНД АНЛАГЕН ГЕЗЕЛЛЬШАФТ М.Б.Х. (AT) Приоритет(ы): (30) Конвенционный приоритет: (45) Опубликовано: 27.04.2016 Бюл. № 12 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 14.05.2014 (86) Заявка PCT: 2 5 8 2 7 1 0 (56) Список документов, цитированных в ...

一种用于塑料管生产挤出机的进料机构

本发明涉及塑料管生产加工装置领域，具体的说是一种用于塑料管生产挤出机的进料机构，包括料斗、进料管、防堵塞结构、粉碎结构、筛选结构、密封结构和泄压结构；通过在料斗的内部安装用于防止粉末塑料原料“架桥”现象出现的防堵塞结构，既能够对粉末塑料原料进行进一步粉碎，又能够避免粉末塑料原料由于自身重力堵塞进料管的情况出现，还能够加快进料的速率，且防堵塞结构在工作的同时能够同步带动粉碎结构进行工作，通过粉碎结构的工作，能够将结块的粉末塑料原料进行彻底粉碎，从而能够避免结块的粉末塑料原料堵塞进料管，即通过粉碎结构的工作，能够反作用于防堵塞结构，使防堵塞结构的工作效率更高。

Method of preparing polytetrafluoroethylene powder and polytetrafluoroethylene powder prepared by the same

Disclosed are a method for manufacturing a polytetrafluoroethylene (PTFE) powder, which provides a PTFE powder with a low content of perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS), and a PTFE powder manufactured thereby. According to the present invention, the method comprises the following steps: primarily pulverizing waste PTFE (S10); modifying the primarily pulverized waste PTFE (S20); washing the modified waste PTFE with ultrasonic waves (S30); drying the washed waste PTFE (S40); secondarily pulverizing the dried waste PTFE (S50); and tertiarily pulverizing the second pulverized waste PTFE (S60).

塑料磨粉盘

本发明涉及塑料加工机械领域，具体涉及一种塑料磨粉盘，该塑料磨粉盘采用圆台结构的磨盘和底盘，磨盘和底盘配合设置，磨盘和底盘上设置有用于对塑料颗粒进行充分研磨的多级磨齿。

Reconstituted polymeric materials

一种均匀膨化聚四氟乙烯带材的制备方法

本发明属于有机材料领域，尤其涉及一种均匀膨化聚四氟乙烯带材的制备方法，包括以下步骤：a)将PTFE粉末与助挤剂混合，熟化，过筛，得到糊料；b)将糊料在预成型机中双向压制，得到预制坯料；压制过程中，预成型机的上油缸速度大于下油缸；所述双向压制的总压力0.5～6mPa，保压时间0.5～20min；c)将预制坯料在推压机中挤出成型，得到棒料；所述挤出成型的推杆速度0.1～5mm/s，挤出压力2～15mPa；d)将棒料压延，脱助挤剂，得到带材；e)将带材单轴多级拉伸，得到生料带；所述拉伸的级数为2～10级，拉伸速率10～30％/s；f)将生料带烧结定型，得到外观及性能一致性良好的均匀膨化PTFE带材。