20 results about "Plastic compounding" patented technology

A combination printing process for producing a multi-component component comprising areas of both metal and plastic, wherein at least one metal is plasticized by means of a first extruder (5) and at least one thermoplastic material is plasticized by means of a second extruder (5) and selectively applied two-dimensionally in the x- and y-axis directions to a build surface (7) on a build platform (8) and cooled, after which the build platform (8) is lowered in the z-axis or the extruders (5) are raised in the z-axis and the steps are repeated until the component is completed, and the extruders (5) and the build platform (8) are arranged on a kinematic system (6), wherein, for the production of a positive-locking bond between the at least one metal and the at least one thermoplastic material, the at least one metal and the at least one thermoplastic material have similar melting and / or glass transition temperatures.

This utility model discloses a modified plastic mixing device, specifically relating to the field of plastic mixing technology. It includes a mixing tank, with a mixing motor located in the middle of the upper end of the mixing tank. A small motor is located on the outer side of the upper end of the mixing tank, near the mixing motor. In actual use, by configuring the small motor, drive gear, equalization plate, support sleeve, guide protrusion, rotating gear, and adaptable sliding plate accordingly, an external control device can drive the small motor to rotate. The drive gear then drives the rotating gear to rotate, thereby rotating the equalization plate and support sleeve. When plastic granules are introduced into the mixing tank, the granules first fall onto the upper end of the equalization plate. As the equalization plate rotates, it evenly disperses different types of plastics inside the mixing tank, effectively increasing the mixing efficiency of the plastic granules and making the mixing more uniform.

The application discloses a preparation method of a steel skeleton plastic composite pipe and the steel skeleton plastic composite pipe and belongs to the technical field of pipes. The method is characterized in that: low-carbon steel wires are subjected to electrochemical etching to form a nano-scale porous structure, and are woven into a gradient porosity steel wire mesh with porosity gradually decreasing in the thickness direction of the pipe wall; the steel wire mesh is subjected to immersion in a molten mixed liquid containing maleic anhydride grafted high-density polyethylene and an initiator under ultrasonic vibration, so as to form a chemical bonding interface layer on the surface of the steel wire; and the steel wire mesh is sent into a co-extrusion die to fill high-density polyethylene melt under high pressure and is once composite formed to obtain a pipe blank, and the pipe blank is subjected to step temperature control cooling and heat treatment to obtain a finished product. The steel wire surface of the composite pipe is connected with the plastic matrix through a covalent chemical bond, and the steel wire end face at the pipe end is completely closed by the continuous plastic matrix. The application realizes synergistic effects in the aspects of interface bonding strength, corrosion resistance and thermal cycle stability.

The invention relates to a method for consolidating a plastic (2) with fibers, comprising the following steps: (a) placing the plastic (2) with fibers to be consolidated on a carrier plate (10); (b) heating the plastic (2) with fibers on the carrier plate (10); (c) placing the carrier plate (10) with the heated plastic (2) with fibers on a bottom (6); (d) covering the bottom (6) comprising the carrier plate (10) with a consolidation hood (4), wherein the consolidation hood (4) has a membrane (5) on the side facing the bottom (6) which defines a cavity, wherein the membrane (5) covers the heated plastic on the carrier plate (10); (e) heating the membrane (5) and establishing an overpressure in the cavity (8); (f) cooling the carrier plate (10); (g) opening the consolidation hood (4) and removing the consolidated plastic with continuous fibers. The invention also relates to an apparatus for the method.

This invention relates to the field of plastic extrusion equipment technology, specifically a high-speed, high-torque, low-carbon twin-screw extruder for plastic blending. It includes a frame, drive motor, gearbox, barrel assembly, twin-screw assembly, main feeding system, vacuum devolatilization system, and control system. The barrel assembly has heat recovery jackets on the outside of the melting and mixing sections. These jackets are connected via circulation pipelines to a preheating jacket on the outside of the feeding section to transfer heat generated in the melting and mixing sections to the feeding section. The circulation pipelines include a circulation pump and a flow control valve. The control system is connected to the electromagnetic heating assembly, circulation pump, and flow control valve to adjust the heating power of each section of the barrel and the circulation flow rate of the heat recovery loop. This invention reduces the external heating requirement of the feeding section by recovering waste heat from the downstream sections, thereby reducing the overall energy consumption of the machine. The waste heat from the melting and mixing sections is recovered and utilized, reducing the external heating load on the upstream sections.

A hat comprising a shape-adjustable brim or visor made of a shape memory plastic composite, a hat (e.g. a fedora and a panama) comprising such a shape-adjustable brim or visor, and a method of manufacturing the above-mentioned hats.

Separator insert of a centrifugal separator with a frame and the separator insert arranged on the frame, wherein the separator insert is designed to separate a flowable suspension (S) in a centrifugal field into at least two flowable phases (LP, HP) of different densities, wherein the separator insert comprises at least the following: a drum (3) with a drum wall made of a plastic and / or a plastic composite material and a metallic coating arranged on the inside of the drum wall.

A reusable container comprising a container having a ridge extending along an upper edge of the container, wherein the container includes an inner layer and an outer layer, defining a vacuum-insulated space, and a removable divider made of a material selected from a group consisting of silicone, plastic, plastic composite, stainless steel, and rubber, having a floor and a plurality of vertical walls attached to the floor, wherein the floor of the removable divider is configured to rest on a bottom surface of the inner layer of the container to create a plurality of separate compartments.

This invention relates to the field of plastic pellet manufacturing technology and discloses a recycled plastic compounding and granulation machine with multi-stage filtration and impurity removal function. It includes a mixing and melting device, a feeding device located at the top of the mixing and melting device, an end-filter device located on the side of the mixing and melting device, and an outlet head located on the side of the end-filter device away from the mixing and melting device. The end-filter device includes a filter connector located at the output end of the mixing and melting device. This recycled plastic compounding and granulation machine with multi-stage filtration and impurity removal function, by incorporating the end-filter device, allows molten raw materials to enter a connecting tank during operation, then pass through the filter assembly and support frame. Impurities in the raw materials are intercepted by the filter assembly, thus ensuring the purity of the outflowing raw materials. Simultaneously, the cylindrical shape of the support frame and fine filter increases the flow area of ​​the raw materials, effectively improving equipment production efficiency while also making the equipment less prone to clogging.

The application relates to a finished product conveying device for plastic composite bag production, which comprises a conveying frame and a plurality of supports arranged on the conveying frame. A servo motor is arranged on the conveying frame, a suspension chain is arranged in the conveying frame, the servo motor is connected with the suspension chain through a transmission structure, a plurality of suspension frames are connected with the suspension chain, and the suspension frame comprises a sleeve. The finished product conveying device for plastic composite bag production drives the J-shaped frame through the cylinder of the pulling mechanism, automatically pulls the cross rod and the sliding plate of the pulling mechanism, separates the pawl from the ratchet through the extrusion of the pulling rod of the limiting mechanism, automatically unlocks the bin body, and prepares for the unloading without manual intervention. When the bin body rotates around the sleeve, the rolling gear of the rolling mechanism rolls on the fixed gear, drives the cross shaft to rotate, drives the bin door to rotate synchronously outward through the synchronous belt, ensures that the plastic bags fall smoothly, and solves the problem of material blockage caused by the asynchronous opening of the bin door of the traditional equipment.

This invention discloses a method for preparing an anti-aging biomass-based polypropylene-polyethylene composite plastic material for green packaging, relating to the field of polymer materials and plastic composite materials technology. Using bio-based polypropylene and bio-based polyethylene as the matrix, a composite material is prepared by adding natural biomass reinforcement, anti-aging agents, ultraviolet absorbers, antistatic agents, toughening agents, and interface compatibility agents under controlled high-temperature blending conditions. The resulting material exhibits excellent mechanical properties, thermal stability, and UV aging resistance, significantly improving the weather resistance and service life of packaging materials, making it suitable for the field of environmentally friendly packaging. This technology effectively improves the comprehensive performance of bio-based polyolefin composite materials, promoting the development of the green packaging materials industry.

The application discloses a preparation method of a biomass modified environment-degradable polypropylene plastic preservation storage box, and relates to the technical field of high polymer materials and plastic composite materials. Polypropylene, maleic anhydride grafted polypropylene, modified chitosan and activated biomass fillers are blended according to specific mass fractions, and after double-screw extrusion mixing and granulation, an injection molding process is adopted to prepare a finished product of the storage box. The application significantly improves the environment-degradable performance of the material, while maintaining excellent mechanical properties and processing adaptability, and is suitable for fields such as food preservation storage.

Rolling bearing cage 3 made of fibre-reinforced plastic composite, each cage pocket or seat 8 having an annular contact zone 22 in contact with the rolling body 6, each layer of fibres being wound at

The application relates to the technical field of computer input devices, in particular to an injection molding process of a magnetic shaft core for a magnetic shaft keyboard, which mainly comprises the following steps: S1, providing injection materials and magnetic powder, and premixing the magnetic powder in the injection materials to form plastic composite materials; S2, heating the mixed materials to a molten state through an injection device; S3, injecting the plastic composite materials in the molten state into a molding mold through an injection mechanism, and obtaining a shaft core body through cooling and demolding, wherein the shaft core body has a matching part used for matching with a magnetic detection element of a keyboard; and S4, magnetizing the matching part through a magnetizing device to form a magnet component, so that the matching part of the shaft core body can be effectively detected when being close to the magnetic field detection element of the external keyboard. The process effectively omits the purchase and precise assembly links of independent magnets, improves the consistency and reliability of products, and reduces the comprehensive cost.

A cargo body assembly of a mobility can include a cargo under body configured to be connected to a vehicle body, a cargo upper body connected to the cargo under body, and the cargo upper body includes hybrid members, wherein each of the hybrid members includes injection reinforcing material molded on an outer surface of a tubular part, wherein the hybrid members are disposed along a front-rear direction, a vehicle width direction, and a vertical direction of the vehicle body, reinforcement members connected to the cargo upper body along the front-rear direction and the vehicle width direction of the vehicle body, and outer plates including plastic composite material connected to the cargo upper body and the reinforcement members.

The utility model discloses a steel wire framework plastic composite pipe which comprises at least three plastic layers which are sequentially arranged from inside to outside, and a steel wire framework is arranged between every two adjacent plastic layers. In every two adjacent plastic layers, the outer side of the plastic layer on the inner side is provided with a plurality of grooves in the length direction, the grooves are evenly formed in the circumferential direction, the steel wire framework comprises a compression-resistant steel wire and a plurality of tensile steel wires, the outer diameter of each tensile steel wire is larger than the depth of the corresponding groove, the tensile steel wires are embedded into the grooves, and the compression-resistant steel wires are spirally wound on the outer sides of the tensile steel wires around the plastic layers. And in two inner and outer adjacent steel wire frameworks, the outer diameters of the tensile steel wires and the compression-resistant steel wires on the inner side are respectively greater than the outer diameters of the tensile steel wires and the compression-resistant steel wires on the outer side. According to the composite pipe, the steel wire framework is not prone to axial deformation, and the tensile strength of the composite pipe is improved.

The challenge lies in achieving the appropriate plastic formulation. [Solution] The system includes a transformation unit 102 that calculates a mapping to a latent space having fewer dimensions than the explanatory variables stored in the material DB 110 by manifold learning based on the plastic material DB 110; a learning unit 103 that generates a learning model by performing regression learning of material properties from the data stored in the material DB 110; a similar record ranking calculation unit 203 that maps the explanatory variables to the latent space using the mapping and calculates the similarity between the result of the mapping and the record data stored in the material DB 110; and an AWE prediction model generation unit 205 that generates an ensemble model as a plastic formulation property prediction model from the result of inputting the values ​​of the required explanatory variables, which are explanatory variables required as the formulation properties of the plastic, into the learning model using weighting based on the similarity.