73 results about "Expanded polystyrene" patented technology

The invention relates to the technical field of expanded polystyrene production, and discloses an expanded polystyrene automatic molding control system and method.The system comprises a detection module, a data analysis module and a central control module, and the detection module collects mold temperature distribution, molded blank local density and steam pressure data in real time; the data analysis module calculates a temperature fluctuation index according to the temperature data, obtains a dynamic density compensation coefficient by means of a density model, and determines a forming quality deviation level; and the central control module adjusts the steam heating power according to the deviation level, determines and corrects the mold opening and closing rate in combination with the pressure and density change rate, and generates a motion trail control parameter. The method comprises the steps of data acquisition, calculation and analysis, parameter adjustment and instruction output. Through multi-parameter cooperative control, forming automation and precision are achieved, the quality stability and the production efficiency are improved, and the method is suitable for production of related products.

The present disclosure relates to a prefabricated block composed of Autoclaved Aerated Concrete (AAC), widely used in civil construction, offering mechanical improvements such as heat resistance, increased pull-out strength, sound absorption, and reduced mass, as well as ease of installation. The invention comprises a rigid self-supporting block (1), made up of two AAC panels (2), two reinforcing glass fiber meshes (3), with said panels (2) enclosing an expanded polystyrene (EPS) core (4), and a micro-concrete layer (C) applied around the entire perimeter of the block (1). In an alternative embodiment, the AAC may be replaced by foamed cellular concrete.

The invention discloses a light internal partition wall board and a preparation process thereof, and belongs to the technical field of building materials. The light internal partition wall board is prepared from the following main raw material components in parts by mass: 500 to 700 parts of slag washed sand, 1400 to 1600 parts of cement, 40 to 50 parts of flame-retardant light filler, 10 to 24 parts of flame retardant, 15 to 60 parts of air entraining agent, 8 to 24 parts of water reducing agent and 330 to 750 parts of water. Wherein the flame-retardant light filler is obtained by sequentially reacting expanded polystyrene particles with bis (pinacolato) diboron, 4-bromo-3-isopropyl benzoic acid and triisopropyl phenyl phosphate; the water reducing agent is prepared from polyvinyl alcohol; the prepared light internal partition wall board is high in compressive strength, good in fire resistance and light in mass.

High impact and penetration resistant lightweight composite panels include a foam core and an impact and penetration resistant protective layer on at least a portion of the lightweight composite panel. The foam core is a polymer and / or inorganic foam layer or sheet having first and second surfaces. A fiber mesh reinforced cementitious layer can cover one or both surfaces of the foam core. Example polymer foam cores include extruded polystyrene foam, expanded polystyrene foam, polyisocyanurate foam, or polyurethane foam. Example inorganic foam cores include perlite, ceramic microspheres, hollow glass spheres, glass foam, ceramic foam, expanded silica gel, porous wollastonite, urea-silicate foam, SiOC / SiC foam, refractory foam, and graphene. The impact and penetration resistant protective layer can be formed from polyurea, polyurethane, polyurea-polyurethane hybrid, polyaspartic, polymer-modified mineral binder, or hybrid resin-mineral composite. The protective layer can include a tightly woven scrim and / or a slip resistant filler embedded in the polymer.

The invention discloses a porous GNP / PDMS composite material, a preparation method thereof and application of the porous GNP / PDMS composite material in a flexible sensor, and belongs to the technical field of flexible sensors and preparation of the flexible sensors. According to the preparation method, expanded polystyrene microspheres are taken as sacrificial templates to be combined with glucose, a spherical pore structure is constructed through a vacuum infiltration method, graphene is dispersed in a PDMS matrix by adopting a multi-step ultrasonic dispersion technology, and porous GNP / PDMS composite materials with different graphene contents are obtained. On the basis, a conductive electrode and a flexible packaging layer are combined to construct a high-sensitivity flexible sensor. Results show that the GNP / PDMS composite material containing 4 wt.% of graphene shows excellent mechanical properties, the elastic modulus is 2.43 MPa, the maximum tensile strength is 1.46 MPa, meanwhile, the recovery of more than 99.6% is maintained after 200 times of compression cycles, and the composite material shows very strong mechanical stability.

The utility model belongs to the field of heat preservation structures, particularly relates to a building energy-saving heat preservation structure, and aims to solve the problems that a plurality of L-shaped clamping blocks are connected one by one in the prior art, the connectivity between heat preservation structures is poor, and the integrality is low, and provides the following scheme that the building energy-saving heat preservation structure comprises a wall body, and a cement leveling layer is arranged on one side of the wall body; an adhesion layer is arranged on one side of the cement leveling layer, a plurality of expanded polystyrene boards are arranged on one side of the adhesion layer, second reinforcing layers are arranged on one sides of the expanded polystyrene boards, the same glass wool fireproof layer is arranged on one sides of the second reinforcing layers, a first reinforcing layer is arranged on one side of the glass wool fireproof layer, and a second reinforcing layer is arranged on one side of the first reinforcing layer. The building energy-saving heat preservation structure has the advantages that the building energy-saving heat preservation structure has remarkable advantages in the aspects of heat preservation performance, structural stability, crack resistance, waterproof performance, construction convenience, environmental protection sustainability and the like, and a new solution is provided for energy conservation and heat preservation of modern buildings.

The utility model relates to a system for reducing expanded polystyrene (EPS) in a safety helmet. The system comprises a safety helmet crushing device, a screening device, a stirring device and a separating device, the method comprises the following steps: firstly, primarily crushing a safety helmet by using a safety helmet crushing device, then screening fragments of foamed polystyrene by using a screening device, and removing smudginess or foreign matters. The processed expanded polystyrene fragments in the safety helmet are conveyed to the stirring device to be subjected to a volume reduction chemical reaction with the liquid solvent, so that the volume is greatly reduced. Through multiple treatments of crushing, screening and the like, smudginess is gradually removed, expanded polystyrene resources in the waste safety helmets are reduced and recycled, and compared with a traditional method, the energy-saving effect is achieved.

System suitable for storing and / or transporting temperature-sensitive materials. In a preferred embodiment, the system may include a cooler made of expanded polystyrene foam. The cooler may include a base and a lid. The base may be a unitary structure that includes a cavity bounded by a bottom wall and four side walls. The base also may include an integral support that may include a platform elevated from the bottom wall, as well as a stanchion extending upwardly from the bottom wall along each of the side walls. The support may be constructed to removably receive a product box in the cavity and to orient the product box at an angle offset from the cavity. Dry ice pellets may be positioned around and under the product box, and additional dry ice pellets may be positioned in a tray mounted on the stanchions over the product box.

The invention relates to the technical field of production of chemical materials, and particularly discloses a production process and application of micron-level fatty glyceride fine powder, the production process comprises the following steps: heating and dissolving monoglyceride or triglyceride, fully stirring, conveying to a head tank through a pipeline, keeping the liquid level stable, conveying to a centrifugal spray head, and drying to obtain the micron-level fatty glyceride fine powder. And treating by a high-speed centrifugal rotor to form fine liquid drops, cooling into small particles by cold air input by an air cooler, cooling in a centrifugal drying tower to obtain an intermediate, standing, fully cooling, and sieving to obtain micron-grade fine powder. The invention also provides an application of the fine powder in an expanded polystyrene ultrafine powder coating agent, the coating agent is prepared from monoglyceride, triglyceride, zinc stearate, EBS ethylene bis stearamide and silicon dioxide in specific parts by mass, and the coating agent is produced by adopting a zero-gravity dry mixing method. The particle size of the produced fine powder reaches 75 micrometers or below, the particle size D50 of a finished product is about 50 micrometers, the fine powder can be evenly coated on EPS particles, powder falling is not prone to occurring, and the processing efficiency and the product performance of the EPS industry are improved.

The invention provides a hydration heat in-situ self-foaming light composite board and a preparation method thereof. The light composite board is prepared from the following raw materials: an inorganic cementing material, expanded polystyrene particles and an active siliceous material, wherein the inorganic cementing material comprises quick lime. According to the preparation method, hydration heat released in the hydration process of quick lime is used as an endogenous heat source to induce expanded polystyrene particles to generate in-situ expansion foaming in a system, and meanwhile, a high-alkalinity environment is formed to promote cementitious materials such as silicon hydrochloric acid cement and active siliceous materials to generate inorganic gel on the surfaces of the expanded polystyrene particles; and a composite interface structure wrapped by inorganic gel is formed, so that the light weight of the board is reduced, the synergism and unification of the light structure, the mechanical property and the fireproof property are realized, and the organic-inorganic interface stability and the structural integrity are improved.

The invention relates to the technical field of wave-absorbing materials, in particular to a flame-retardant wave-absorbing material based on polystyrene foam and a preparation method of the flame-retardant wave-absorbing material. One-dimensional magnetic sepiolite fibers and two-dimensional modified graphene oxide are used as raw materials, composite aerogel with a three-dimensional oriented porous structure is prepared through freeze drying, and the composite aerogel, a flame retardant, a film-forming agent, a dispersing agent, a defoaming agent and deionized water are mixed to obtain the wave-absorbing coating. And putting the expanded polystyrene beads into the wave-absorbing coating, uniformly stirring, drying, and molding to obtain the flame-retardant wave-absorbing material based on polystyrene foam. The flame-retardant wave-absorbing material based on polystyrene foam prepared by the invention not only has excellent wave-absorbing performance, but also has excellent flame-retardant performance and mechanical performance.

The utility model provides an elastic latex paint layer heat preservation structure. Comprising a first expansion polystyrene board, a protection assembly is arranged on the front side of the first expansion polystyrene board, a connecting assembly is arranged on the front side of the protection assembly, and a fixing assembly is arranged on the edge of the outer side of the first expansion polystyrene board; a second expansion polystyrene board is arranged on the rear side of the first expansion polystyrene board, and sound insulation boards are arranged on the inner sides, close to the left side and the right side, of the first expansion polystyrene board and the second expansion polystyrene board. According to the elastic latex paint layer heat preservation structure, all parts of the structure are arranged in a matched mode, the structure is fixedly connected with an outer wall through the mounting holes and the mounting blocks, the connecting blocks move to the inner sides of the connecting plates and are connected to the inner sides of the adjacent connecting openings in an inserted mode, and the connecting bolts and the stainless steel hanging pieces are fixedly connected together. And the connecting frame is attached to the surface of the protection assembly, so that all layers can be connected more tightly, and the practicability of the device is greatly guaranteed.

A multi-layer panel product for use as structural sheathing. The panel product comprises a base manufactured-wood structural panel, such as OSB or plywood, with a factory-applied foam layer affixed to the exterior or outward-facing surface. The foam layer provides thermal resistance as an insulation layer. The foam layer also may act as an air and bulk water barrier. The foam layer may be expanded polystyrene (XPS) foam sheets.

The application relates to the technical field of new wall building materials, and discloses a building energy-saving thermal insulation wall composite material and a preparation method thereof. The preparation method of the building energy-saving thermal insulation wall composite material comprises the following steps: loading eutectic hydrated salt in modified diatomite to obtain a diatomite-based phase change material; modifying the diatomite-based phase change material through 3-(2,3-epoxypropoxy) propyl trimethoxysilane and a flame retardant to obtain a functionally modified diatomite-based phase change material; mixing microsilica powder, the functionally modified diatomite-based phase change material, calcium oxide, double-coated foamed polystyrene particles, a polycarboxylic acid-based high-performance water reducing agent and deionized water in proportion, performing mold pressing, standing, demolding and obtaining the building energy-saving thermal insulation wall composite material; the building energy-saving thermal insulation wall composite material has good heat insulation performance and simultaneously has flame retardant performance, and can be used in an outer wall thermal insulation material with high fireproof performance.

The present invention relates to: a composition for increasing plant growth and biomass, the composition comprising, as an active ingredient, a fecal extract of mealworms fed with expanded polystyrene; and a use thereof. The fecal extract of mealworms in the present invention has the excellent effect of promoting plant growth and biomass, and thus can be effectively used as an active ingredient of a composition for increasing plant growth and biomass, a fertilizer composition, or a soil conditioner.

The invention provides a vehicle body side wall assembly and a vehicle. The vehicle body side wall assembly comprises a doorsill beam with a cavity and a reinforcing structure arranged in the cavity. The reinforcing structure comprises a front reinforcing part arranged on the front portion of the cavity in the front-back direction of the whole vehicle and a rear reinforcing part arranged on the rear portion of the cavity, the front reinforcing part is connected with the rear reinforcing part, the front reinforcing part is made of aluminum profiles, and the rear reinforcing part is made of nylon and bonded with the doorsill beam through expanded polystyrene foam. According to the vehicle body side wall assembly, the front reinforcing piece made of the aluminum material is arranged on the front portion of the cavity of the threshold beam, the rear reinforcing piece made of the nylon is arranged on the rear portion of the cavity, and the rear reinforcing piece and the threshold beam are bonded together through the expanded polystyrene foam, so that the structural strength and the collision safety of the vehicle body side wall assembly are improved; while the weight increment of the vehicle body side wall assembly is reduced, the heat absorption amount during coating and baking can be reduced, so that the coating process is not influenced.

This invention provides a wall insulation structure and construction process based on composite expanded polystyrene insulation boards. It includes a first insulation board and a second insulation board. The wall insulation structure based on composite expanded polystyrene insulation boards, provided by this invention, connects the first and second insulation boards, allowing one end of an air extraction component to be inserted into a connecting hole. This air extraction component then compresses a barrier block, causing the end of the air extraction hole to be no longer inside the connecting hole. Air can then be extracted from the vacuum chamber through the air extraction component. The negative pressure causes the detection plate to lose contact with the trigger switch. When air leakage occurs, the negative pressure disappears, causing a second pull spring to move the detection plate into contact with the trigger switch. The trigger switch then controls an alarm to sound, alerting the user and allowing for timely repair of the connection point to prevent affecting the insulation performance of the insulation board.

An expanded polystyrene (EPS) product includes an EPS body; and a polystyrene layer on a portion of a surface of the EPS body, wherein a density of the polystyrene layer is greater than a density of the EPS body, and both the EPS body and the polystyrene layer include EPS.

Adhesive obtained from an expanded polystyrene magma. The invention relates to an adhesive comprising a polystyrene magma and a chlorinated solvent selected from trichloroethylene, tetrachloroethylene, and mixtures thereof. The invention also relates to the process for preparing the adhesive according to the invention. The invention also relates to a bottle containing [Figure for the abstract: None]

The utility model relates to the technical field of polystyrene production, in particular to an expanded polystyrene low-energy-consumption production device which comprises a reaction cavity and two supports, the two supports are both fixedly connected to the outer surface of the reaction cavity, a vibration discharging component is installed on the support located on the upper side, and a discharging component is installed on the lower side of the reaction cavity. The vibration discharging component comprises a material chamber, a rotating shaft, a movable plate and a fixed plate, the material chamber is fixedly connected to the support located on the upper side, the rotating shaft is rotationally connected to one end of the material chamber, the movable plate is slidably connected to the outer surface of the rotating shaft, and the fixed plate is fixedly connected to the rotating shaft. The impact rod in the cylinder moves downwards under the extrusion action of the arc-shaped block on the partition plate, and when the impact rod penetrates through the arc-shaped block, the impact rod impacts the partition plate under the reset action of the straight spring, so that the material chamber vibrates, and the material chamber is separated from the partition plate. Polystyrene particles are prevented from blocking the discharging opening, and the production efficiency is improved.

Material for sound and heat insulation between a first structural component and a second structural component adjacent to the first structural component, with a material composition suitable and designed to have a flowable processing consistency in a first state and a flow-resistant construction consistency in a second state, characterized in that the material composition comprises a granulate of expanded polystyrene bound in an aqueous polymer matrix and a thixotropic agent, wherein the effect of the thixotropic agent leads to the second state in which the flow-resistant construction consistency is present.

This invention discloses a lightweight solidified sludge structural agent, solidified soil, and its preparation method, belonging to the technical field of solidified soil materials. The lightweight solidified sludge structural agent of this invention comprises sludge solidification cementitious materials, anti-over-dispersibility hydrogen peroxide emulsion / solution, a foaming catalyst, and expanded polystyrene particles. The anti-over-dispersibility hydrogen peroxide emulsion / solution is prepared by mixing hydrogen peroxide with a polymer solution / emulsion. The lightweight solidified sludge soil of this invention comprises sludge to be solidified and the lightweight solidified sludge structural agent of this invention. The technical solution of this invention can effectively solve the above-mentioned technical problems existing in the preparation of lightweight solidified sludge soil using existing physical foaming methods. It can also overcome the shortcomings of current hydrogen peroxide chemical foaming methods, such as the difficulty in controlling the process and the need to heat the sludge slurry to achieve in-situ foaming of hydrogen peroxide in the slurry.

The utility model discloses a packing color box with a damping structure, and particularly relates to the technical field of packing color boxes, which comprises a packing box body, box covers are movably connected to two sides of the top of the packing box body through hinges, and expanded polystyrene materials for damping articles are arranged in the packing box body. A fixing mechanism for fixing the two box covers is arranged at the top of the packaging box body, the fixing mechanism comprises two first placing grooves formed in the box covers, first rotating shafts are movably connected into the two first placing grooves located on the same side through bearings, and a supporting plate is arranged outside each first rotating shaft in a penetrating mode; the supporting plate is matched with the first containing groove. According to the packaging box, the protection effect of articles can be improved by arranging the expanded polystyrene material, the safety of the articles in the transportation and storage process is ensured, the two box covers can be fixed to the top of the packaging box body through the fixing mechanisms, and the service life of the packaging box is prolonged.

The invention discloses a fabricated UHPC (Ultra High Performance Concrete) frame-dense rib composite shear wall structure with replaceable energy consumption units. According to the structure, ultra-high performance concrete (UHPC) frame beam columns serve as a load-bearing framework, reinforced concrete rib beams and rib columns form dense rib sashes in the load-bearing framework, and the rib sashes are filled with replaceable light expanded polystyrene concrete (EPSC) building block energy consumption units. Friction energy dissipation devices are arranged between the building blocks and the rib beams, and the portions between the building blocks and the rib columns are filled with viscoelastic energy dissipation layers, so that controllable sliding and viscoelastic deformation energy dissipation under a small earthquake are achieved, the building blocks are effectively protected, the energy dissipation capacity is improved, and a four-level anti-seismic defense line different from a traditional dense rib wall is constructed; the building blocks and the rib grids are connected through standard clamps and hinge structures, so that energy dissipation components and damaged building blocks can be rapidly replaced after a medium earthquake or a large earthquake; uHPC is adopted as a frame beam column material, the ultimate bearing capacity and high ductility are guaranteed, meanwhile, the section size of the component is remarkably reduced, and the requirement for light and efficient industrial construction is met.

An apparatus for attaching to a first expanded polystyrene (EPS) panel, connectible with an opposing second panel, may include a body attachable to the first EPS panel, a plurality of extension members projecting from the body, and a plurality of hinge members, each attached one of the plurality of extension members distal the body, each of the hinge members defining an aperture, wherein each of the hinge members is an offset distance from the first EPS panel. The plurality of hinge members are for receiving a connecting member inserted therethrough, the connecting member for attaching to the second panel. A system may include the apparatus, the connecting member and an attaching member for attaching to the second panel, wherein the attaching member may be rotatably attached to the connecting member. A system may also include two apparatuses, each connected to a EPS panel and hingeably connected to a connecting member.

The utility model belongs to the field of buildings, and particularly relates to an auxiliary highway subgrade soft soil layer reinforcing device. An auxiliary highway subgrade soft soil layer reinforcing device comprises a soft soil layer, CFG piles, reinforcing plates, a light filler layer, a geotechnical cloth layer, a backfill layer and the like. CFG piles are fixedly connected to the top of the soft soil layer, a reinforcing plate is connected between every two adjacent CFG piles and is shaped like a Chinese character'mi ', strip-shaped holes are evenly formed in the reinforcing plates at intervals, a light filler layer, a geotechnical cloth layer and a backfill layer are sequentially installed on the upper side face of the soft soil layer from bottom to top, and reinforcing blocks are fixedly installed on the backfill layer. The CFG pile can be positioned and reinforced through the reinforcing plate, and meanwhile, the strip-shaped holes in the reinforcing plate cannot block material filling; the light filler layer can be made of foam concrete, expanded polystyrene blocks and the like as backfill materials, and the pressure on the lower soft soil foundation is relieved.

The application provides a manufacturing method of a concrete structure temperature stress release groove, and specifically comprises the following steps: S1, setting multiple groups of frame columns on a construction site; S2, pouring concrete blocks between the multiple groups of frame columns; S3, installing edge sealing beams in a 'concave' shape between the multiple groups of frame columns, so that a backfill space for lightweight concrete is reserved in the middle of the edge sealing beams; S4, installing foamed polystyrene boards on the inner sides of the 'concave' shaped edge sealing beams on the left and right sides close to the lightweight concrete backfill space reserved in the middle; S5, backfilling lightweight concrete so that the lightweight concrete fills the lightweight concrete backfill space reserved in the middle of the edge sealing beams; and S6, after the lightweight concrete solidifies, using an acetone solution to dissolve the foamed polystyrene boards, so that gap joints are formed between the lightweight concrete and the left and right ends of the edge sealing beams. The application has the advantages of simple process, small construction difficulty, short construction period, convenient operation, no need for additional steel bars, and low construction cost.

The invention relates to an installation for transforming a polymer, particularly expanded polystyrene, using a reagent, from an expanded solid state to an unexpanded amorphous state to obtain a flexible, paste-like magma. The installation comprises: a receiving chamber for receiving the polymer to be transformed; a grinding device for grinding the polymer; a treatment chamber comprising a spraying device for spraying the reagent onto the ground polymer to obtain a magma; a separation chamber comprising a dewatering device for dewatering the magma to extract a liquid containing the reagent, thus obtaining a dewatered magma; a first discharge device for removing the dewatered magma from the separation chamber; and a second discharge device for removing the extracted liquid from the separation chamber. Figure 1 (for the abstract)

The invention relates to a refrigeration appliance (1) comprising an outer cabinet (2) and an inner liner (22), internal to the outer cabinet (2), defining at least one compartment (10) for receiving food items. A refrigeration system (30) comprises an evaporator (38) arranged inside the compartment (10) to cool down air. A fan assembly (50) is arranged inside the compartment (10) and associated to the evaporator (38) for generating a cooling air stream for the compartment (10). The fan assembly (50) comprises, arranged side by side: a first layer (70) of expanded polystyrene; a fan (72) comprising a rotor (82) with a rotation axis (X) inclined with respect to a vertical direction (V) and a cover plate (76). The fan assembly (50) comprises a fastening device (90) apt to fasten the cover plate (76) to the first layer (70) to keep the fan assembly (50) in the assembled configuration.

This invention discloses a manufacturing process for a packaging composite board, relating to the field of packaging materials technology. The packaging composite board, from the inside out, comprises a polymer foam board layer, an adhesive layer, a kraft paper layer, a coating layer, and a printed film layer. The polymer foam board layer is made of expanded polystyrene board, the adhesive layer is primarily composed of polystyrene, the kraft paper layer is high-grammage, high-strength kraft paper, the coating layer is low-density polyethylene, and the printed film layer is a food-grade polyester printed film. A hot-pressing composite process is employed, precisely controlling the hot-pressing temperature to 180℃ to achieve integrated molding of each layer. The resulting packaging composite board exhibits excellent cushioning performance, an interlayer peel strength ≥75N / 15mm, a water absorption rate ≤0.25%, high surface printing clarity, and strong adhesion. The manufacturing process involves simultaneous lamination and one-step molding, resulting in high production efficiency and low energy consumption, making it suitable for large-scale industrial production.