14 results about "Plastics industry" patented technology

The present invention relates to the technical field of chemical and plastics product recommendation, provides a chemical and plastics product personalized recommendation method based on deep reinforcement learning, comprising: S1 receiving a search condition of a user; S2, constructing a user state vector; S3, obtaining a candidate product set on the basis of the user state vector and the search condition; S4, using a pre-trained deep reinforcement learning model to sort candidate products, and generating a recommendation result; S5, displaying the recommendation result to the user, and acquiring user feedback; and S6, determining whether a recommendation stop condition is met, if yes, stopping recommending, and outputting a final recommendation result, otherwise, updating parameters of the deep reinforcement learning model and the user state vector on the basis of the user feedback, and returning to step S3. The present invention can improve the correlation, diversity and timeliness of the recommendation result, better meet the personalized needs of a user in the chemical and plastics industry, and can continuously learn and adapt to changes in user needs.

The utility model discloses an efficient mixing device for silicon flame retardants in plastic industry, which comprises a mixing reaction kettle, a plurality of raw material boxes, a processing support, a waste gas treatment structure and a plurality of feeding structures, the processing support is mounted on the mixing reaction kettle, the waste gas treatment structure is connected to the plurality of feeding structures, and the plurality of raw material boxes are mounted on the processing support. The plurality of raw material boxes are uniformly mounted on the processing support, and the plurality of feeding structures are mounted on the mixing reaction kettle, the plurality of raw material boxes and the processing support. A trumpet-shaped material gathering structure is matched to improve the mixing efficiency; according to the dynamic air pressure adjusting system, a telescopic sealing assembly is arranged in an F-shaped drainage tube, the opening degree is automatically adjusted through air pressure changes, and intelligent flow division of gas-solid two-phase flow is achieved.

The invention discloses antibacterial titanium dioxide with high temperature resistance and a preparation method. The titanium dioxide comprises a titanium dioxide base material, an inorganic coating layer coating the surface of the titanium dioxide base material and an organic coating layer coating the surface of the inorganic coating layer, the inorganic coating layer comprises a nano-silver film layer; the organic coating layer is a coating layer formed by introducing Ti-S bonds. The titanium dioxide is subjected to inorganic coating and organic modification treatment in sequence. A high-dispersion nano-silver film layer and a Ti-S bond are introduced, so that the titanium dioxide has excellent antibacterial property and temperature resistance, and the use requirements of the plastic industry are met.

The present application relates to a kind of amorphous glass fiber modified zein composite film and its preparation method.The present application utilizes the influence of biological microcrystalline glass on the structure of Zein in the condensation process and the high strength of microcrystalline glass itself to modify Zein film, effectively reduces the porosity of the film, and improves the mechanical properties and barrier properties of the film.The present application uses Zein as raw material to prepare Zein / amorphous glass fiber composite film, which not only increases the commercial value of Zein, but also provides a new idea for the research and development of degradable composite film, which is conducive to the development of degradable plastic industry in the future.

The application belongs to the technical field of polymer microsphere preparation, and relates to a high-temperature-resistant heat-induced expansion microsphere and a preparation method and application thereof. By using aerogel particles as stabilizers, the aerogel particles are firmly adsorbed on the surface of the heat-induced expansion microsphere, and the high-temperature-resistant heat-induced expansion microsphere is prepared by using the high heat insulation performance of the aerogel particles to improve the temperature resistance of the heat-induced expansion microsphere. The high-temperature-resistant heat-induced expansion microsphere has a hollow structure, a diameter of 5-50 mu m, and a large number of aerogel particles adsorbed on the surface of the microsphere, and the coverage rate is 55-90%. The initial expansion temperature is 210-250 DEG C, and the maximum expansion temperature is 260-290 DEG C, so as to match the current use scene with a higher processing temperature, for example, the resin foaming of polypropylene, polymethyl methacrylate, polybutylene terephthalate, nylon, polycarbonate and other resins with a processing temperature of more than 250 DEG C, so as to prepare lightweight high-performance plastics and help make a new breakthrough in the lightweight of the rubber and plastic industry.

The present invention relates to the technical field of chemical and plastic product recommendation. Provided are a chemical and plastic product recommendation method and system based on a user requirement. The method comprises: S1, constructing a knowledge graph of the chemical and plastic industry; S2, acquiring historical user data and the current user requirement, wherein the historical user data comprises historical search data, historical browsing data, historical interaction data and historical transaction data; S3, preprocessing the historical user data, and analyzing the preprocessed historical user data, so as to extract a historical requirement feature; S4, using a semantic understanding model to perform keyword extraction on the current user requirement, and in combination with the knowledge graph of the chemical and plastic industry, generating an optimized query condition; S5, using the optimized query condition to search a chemical and plastic product database, so as to obtain a first list; and S6, using the knowledge graph of the chemical and plastic industry to perform personalized ranking of the first list, taking the top k items to generate a recommendation list, and presenting the recommendation list to a user. The present invention can improve the relevance and accuracy of recommendations, thereby improving the user experience.

The utility model provides a finished product hopper belongs to the plastic industry field, including support, be installed with hopper body on the support, one side of hopper body is hinged with support, the other side of hopper body is connected with support through load cell, load cell fixed mounting is on the support, the bottom of hopper body is equipped with the discharge gate, the top of discharge gate is equipped with triangular pyramid, triangular pyramid fixed mounting is in the inner chamber of hopper body, the inner chamber of hopper body is fixed mounting has the baffle, the baffle divides the inner chamber of hopper body into several space areas, the baffle is located the top of triangular pyramid. This finished product hopper sets up load cell, and staff can control the batching capacity of mixer and the storage capacity of finished product hopper according to actual conditions, makes the process keep coherence, guarantees production efficiency, sets up the baffle, and prevents material stratification, sets up triangular pyramid, and makes material keep uniform speed and flow out.

This utility model belongs to the field of plastics industry, specifically a blister tray material distribution module, including a worktable, a conveyor belt installed on the top of the worktable, support frames fixedly connected to both sides of the worktable, sliding frames slidably connected to the top of each support frame, symmetrically provided limiting plates inside the upper part of each sliding frame, a material distribution component between the two sliding frames, and a transmission component on the top of the sliding frames. Through the reciprocating motion of two sets of first and second pallets, automated material distribution and equidistant conveying of the blister tray body can be achieved, avoiding the trouble of manual material distribution, greatly reducing the labor burden and improving work efficiency. Furthermore, the horizontal and vertical spacing between the two sets of limiting plates and the first and second pallets can be adjusted by the first and second cylinders, thus adapting to blister tray bodies of different sizes, effectively improving the adaptability and flexibility of the device.

The utility model relates to the extruder barrel of extruding molding equipment technical field in rubber and plastic industry, specifically for a kind of, including end plate subassembly, frame subassembly, side plate subassembly and two base subassembly, end plate subassembly includes upper end plate, lower end plate, connecting plate, upper end plate is equipped with upper double round hole, lower end plate is equipped with lower double round hole, upper end plate is fixed with baffle subassembly, baffle subassembly includes double arc baffle;Frame subassembly includes two connecting vertical plate and double arc connecting plate;Side plate subassembly includes outer side plate, mid vertical plate, welded in the first connecting plate of outer side plate inner wall, welded in the second connecting plate of outer side plate inner wall, welded in the first inner side plate of first connecting plate and welded in the second inner side plate of second connecting plate;Two base subassembly are respectively arranged in the two sides of outer side plate.The utility model uses the form of multiple steel structure subassembly and carries out assembly welding, reduces the possibility that cooling water cavity occurs leakage, improves the dimensional accuracy of final extruding finished product.

The utility model discloses plastic industry injection molding granulation line flue gas treatment equipment which comprises a dust hood, a corrugated pipe installed at the top of the dust hood, a supporting shell arranged on the side of the dust hood, a sliding block fixedly connected to the side of the dust hood, a locking assembly arranged between the dust hood and the supporting shell, and a control assembly arranged between the dust hood and the supporting shell. The fixed shell is fixedly connected to the side of the dust hood, the outer wall of the locking rod is in sliding, penetrating and sleeving connection with the fixed shell, the locking hole is formed in the side, facing the fixed shell, of the supporting shell, and the outer wall of the locking rod is in sliding and clamping connection with an inner cavity of the locking hole. According to the dust collection device, the dust collection cover, the supporting shell, the sliding block and the locking assembly are used in a matched mode, the dust collection cover is connected with the supporting shell in a sliding mode through the sliding block, and therefore the height of the dust collection cover can be adjusted according to use requirements, and the dust collection cover can be locked under the action of the locking assembly; therefore, the use stability of the dust hood is ensured.

The utility model discloses a coating device for high temperature mould release agent in plastic industry, including: concave transport table, belt conveyor, concave sleeve block, extrusion limit structure and smearing structure, the belt conveyor is installed on the inner side of concave transport table, the concave sleeve block is sleeved on the concave transport table, the extrusion limit structure is located on the concave sleeve block, the smearing structure is located on the concave transport table, the extrusion limit structure is located on the concave sleeve block, and the smearing structure is located on the concave transport table. The utility model relates to the technical field of mould demoulding, three-dimensional dynamic spraying is adopted, longitudinal and transverse lead screw modules and a lifting hydraulic push rod are used for driving, a horizontal rotating disc is matched, and the vertical and transverse lead screw modules and the lifting hydraulic push rod are used for driving, so that the vertical and transverse lead screw modules and the lifting hydraulic push rod are matched with the horizontal rotating disc, and the vertical and transverse lead screw modules and the lifting hydraulic push rod are matched with the horizontal rotating disc. The spraying head can move along any track in a three-dimensional space, and uniform coverage of the surface of a complex mold is ensured; and intelligent angle adjustment is achieved, specifically, an electromagnetic drive type nozzle adjusting mechanism is originally created, and stepless adjustment of the nozzle stretching amount (0-150 mm) and the spraying angle (0-90 degrees) is achieved through repulsive force of a telescopic circular ring electromagnet and a permanent magnet.

This invention discloses a polylactic acid composite material reinforced with carboxylated LCNF and its preparation method. The composite material comprises the following mass fractions: 100 parts polylactic acid, 0.2-10 parts carboxylated LCNF, 0.5-10 parts ionic liquid, 0.5-5 parts lubricant, and 0.5-5 parts coupling agent. The preparation method includes steps such as alkali treatment and bleaching of cellulose, one-pot preparation of carboxylated LCNF, spray pre-coating of ionic liquid, high-mixing pre-mixing, twin-screw extrusion granulation, and final molding. This composite material achieves a balance between toughening, reinforcement, and anti-precipitation. The preparation method solves the problem of high precipitation rate in existing technologies by forming hydrogen bonds, electrostatic adsorption, and ionic coupling between carboxylated LCNF and ionic liquid. Furthermore, the use of a mechanochemical one-pot method for preparing carboxylated LCNF results in low energy consumption, high yield, no heavy metal pollution, and full compatibility with existing plastics industries, enabling continuous large-scale production.

The application aims to provide a glass fiber reinforced plastic industry styrene saturated waste activated carbon efficient regeneration method, and belongs to the technical field of volatile organic compounds treatment. The catalyst of the application takes the styrene saturated industrial waste activated carbon as a carrier, and the active metal includes transition metals iron and nickel. The application loads the transition metals iron and nickel on the carrier through the impregnation method to obtain the waste activated carbon loaded bimetallic catalyst; under the catalysis of the bimetallic alloy active site, the styrene adsorbed in the activated carbon is cracked through a one-step pyrolysis method, the regeneration of the styrene saturated activated carbon is effectively realized, and under the synergistic effect of the bimetallic nickel and iron, the accumulated carbon generated by the styrene cracking is effectively eliminated and the pore blockage is prevented. Meanwhile, the adsorption capacity of the activated carbon loaded bimetallic catalyst can still be maintained at about 80% of the initial adsorption capacity after three cycles.

A polyelectrolyte complex having chitosan and phytic acid. The method for producing the polyelectrolyte complex uses mechanochemical synthesis. The polyelectrolyte complex may be used as an antimicrobial and antioxidant bio-fire-retardant additive for epoxy resins. Furthermore, the the polyelectrolyte complex may be combined with a polymer, preferably an epoxy resin, an article coated with said flame retardant and an article having said flame retardant embedded therein. Therefore, the polyelectrolyte complex is framed within the fireproof plastics industry with high anti-fire demands such as the automotive industry, aeronautics, construction or the electrical-electronic sector.