47results about How to "Good foaming effect" patented technology

The invention provides an automobile control device foaming optimization control method based on multivariate temperature coupling analysis, and relates to the technical field of manufacturing process control, and the method comprises the following steps: based on supporting frame attribute characteristics and a material component ratio, according to a preset foaming processing stage and a foaming evaluation function, in a simulation foaming space, according to a foaming evaluation function; performing simulation optimization on the first temperature control parameter, the second temperature control parameter, the third temperature control parameter and the fourth temperature control parameter to generate an optimal temperature control strategy; and according to the preset foaming processing stage and the optimal temperature control strategy, executing foaming control of the target steering wheel. The technical problems that a traditional foaming technology pays more attention to control of single temperature, multiple influences of different temperature changes on foaming reaction cannot be effectively considered, foaming is not uniform, and the foam structure is not stable can be solved; by accurately controlling the four temperature control parameters, the mutual influence and coupling relationship among the temperatures can be fully considered, and uniform temperature distribution and stable foam structure in the foaming process are ensured.

The invention provides a nano foam scrubbing agent suitable for environments with various temperatures and mineralization degrees as well as a preparation method and application of the nano foam scrubbing agent. The nano foam scrubbing agent comprises an anionic surfactant, a nonionic surfactant, a zwitterionic surfactant, foam stabilizing particles and a solvent, the total mass concentration of the anionic surfactant, the nonionic surfactant and the zwitterionic surfactant in the nano foam scrubbing agent is 0.1-1.0 wt%, and the mass concentration of the foam stabilizing particles is 0.1-0.5 wt%; the mass ratio of the anionic surfactant to the nonionic surfactant to the zwitterionic surfactant is (10-30): (15-20): (15-25). The foam scrubbing agent disclosed by the invention has relatively good foaming, foam stabilizing and liquid carrying capacities at 35-95 DEG C in a mineralization degree range of 10000-50000 mg / L, has very good salt resistance and calcium and magnesium ion resistance, and can adapt to environments with various temperatures and different mineralization degrees.

The invention relates to a preparation method of a supercritical foaming polylactic acid material, and belongs to the technical field of foaming polylactic acid.The preparation method comprises the steps that a polycaprolactone-polylactic acid copolymer and a chain extender YMX-06 serve as modifiers to prepare modified polylactic acid granules, so that the strength and ductility of polylactic acid melt are improved, and the foaming temperature and pressure are reduced; in a supercritical state, carbon dioxide has high diffusivity and low viscosity, so that the carbon dioxide can uniformly permeate into a modified polylactic acid granule matrix to form tiny bubbles, the bubbles are not easy to collapse in a bubble growth stage, the pore size distribution uniformity is good, the sizes of the bubbles are small, and the walls are thin; compared with pure polylactic acid, the obtained modified foaming material is higher in foaming ratio, lighter, better in heat retaining property and high in mechanical strength. The ultralight, environment-friendly and foaming agent residue-free degradable foam material can be used in the fields of building insulation, cold-chain transportation, anti-collision packaging and the like.

The invention relates to the technical field of fire extinguishing agents, and discloses a fluoride-free anti-solubility foam fire extinguishing agent and a preparation method thereof.The fluoride-free anti-solubility foam fire extinguishing agent comprises a hydrocarbon surfactant, a carboxyl modified organosilicon surfactant, a foam stabilizer, a cosolvent, water and a pH regulator; the carboxyl modified organic silicon surfactant is obtained by modifying an organic silicon surfactant by using maleic anhydride; the foam stabilizer contains xanthan gum and a component A, according to the invention, the organosilicon surfactant is modified, so that the obtained carboxyl modified surfactant has good surface activity and water solubility; xanthan gum and a component A (polyethylene oxide-polypropylene oxide-polyethylene oxide and other substances) are compounded to serve as a foam stabilizer, so that the foam stability and the anti-dissolving performance can be improved, and the foam stabilizer also has temperature-sensitive-thermal response performance; under the combined action of the components, the fire extinguishing agent provided by the invention has excellent fire extinguishing performance and can quickly extinguish non-polar fuel and polar fuel.

The invention discloses an anti-aging and anti-yellowing foaming polyester material and a preparation method thereof, and relates to the technical field of polyester materials. The anti-aging and yellowing-resistant foamed polyester material is prepared from the following raw material components in parts by weight: 3 to 5 parts of anti-ultraviolet SEBS (Styrene-Ethylene-Butylene-Styrene), 3.6 to 7 parts of triethylamine, 4 to 6 parts of flame-retardant and wear-resistant filler, 100 parts of TPEE (Thermoplastic Polyether Ester Ether), 0.9 to 1.1 parts of polymer wax and 0.6 to 0.8 part of foaming agent, the anti-ultraviolet SEBS is obtained by copolymerizing and grafting an unsaturated benzophenone ultraviolet absorbent, SEBS and maleic anhydride; the flame-retardant and wear-resistant filler is obtained by mixing and reacting carboxylated nano silicon dioxide, pentaerythritol and phosphorus oxychloride; the polymer wax adopts EVA (Ethylene Vinyl Acetate) wax; azodicarbonamide is adopted as the foaming agent; the anti-aging and anti-yellowing foaming polyester material disclosed by the invention is relatively good in mechanical property, anti-aging property, flame retardant property and compression resistance.

The invention relates to the technical field of cement grinding aids, in particular to a composite liquid cement grinding aid and a preparation method of the composite liquid cement grinding aid. Maleic anhydride, triethanolamine, acrylic acid and isopentenyl polyoxyethylene ether are used as raw materials in a macromolecular grinding aid solution; a reaction product of maleic anhydride and triethanolamine can form a compound with special functional groups, the functional groups can be effectively adsorbed on the surfaces of cement particles, friction among the particles is reduced, the grinding efficiency is improved, and the dispersity and stability of the grinding aid can be further enhanced by adding acrylic acid and isopentenyl polyoxyethylene ether, so that the grinding aid has a good application prospect. The cement particles are more easily dispersed in water, the agglomeration phenomenon is reduced, and the refining of the cement particles is facilitated; according to the invention, sodium lignin sulfonate is modified by grafting diethanolamine, and on the basis of retaining the original dispersibility of sodium lignin sulfonate, a new functional group is introduced, so that the interaction between sodium lignin sulfonate and cement particles can be enhanced, and the grinding aiding effect is further improved.

The invention relates to the technical field of plastic product preparation, and discloses a PBAT online tackifying supercritical gas foaming system and foaming method.The system comprises a dynamic mixer used for mixing and stirring plastic melt, a chain extender and supercritical gas; the gas pressurization module is used for pressurizing gas guided from the gas source to supercritical gas, the gas pressurization module is further used for guiding the supercritical gas to the dynamic mixer, and the material module is used for conveying plastic melt to the dynamic mixer. The tackifier module is used for conveying a chain extender to the dynamic mixer and is provided with a fluid metering unit, and the fluid metering unit is used for detecting the conveying amount of the chain extender. And the control module is used for controlling the gas pressurization module, the material module and the tackifier module. Through cooperation of the dynamic mixer, the gas pressurization module, the material module, the tackifier module and the control module, efficient production of PBAT online tackifying supercritical gas foaming is effectively achieved.

The invention relates to the technical field of spraying devices, and discloses a spray head assembly and a bathroom device.The spray head assembly comprises a liquid inlet part and is provided with a liquid inlet cavity, the cavity wall of the liquid inlet cavity comprises an inner cavity wall and an outer cavity wall, the outer cavity wall is arranged on the outer side of the inner cavity wall in a surrounding mode, and a gap is formed between the outer cavity wall and the inner cavity wall to form the liquid inlet cavity; the inner cavity wall and / or the outer cavity wall are / is provided with at least one fluctuating section, and the fluctuating section extends in the direction from the liquid inlet end to the liquid outlet end of the liquid inlet cavity, so that at least part of the inner cavity of the liquid inlet cavity is gradually shrunk in the direction from the liquid inlet end to the liquid outlet end. The turbulent flow effect of mixed liquid sprayed out of the liquid outlet end can be enhanced, the contact surface area of the mixed liquid and air is increased, and the foaming effect is improved.

The invention discloses an efficient latex pillow production line which is characterized by comprising a conveying assembly capable of driving a forming mold to move. A latex material filling assembly, a first mold closing assembly, a vacuumizing assembly, a first cooling assembly, a carbon dioxide filling assembly, a heating assembly, a first mold opening assembly, a cleaning assembly and a second cooling assembly are sequentially arranged along the conveying path of the conveying assembly. The device is simple in structure and reasonable in design, forming molds can be transferred to different machining assemblies for corresponding machining, the overall structure layout is more reasonable, all the machining assemblies can conduct machining operation in real time, it is not needed to wait for one-by-one machining of the forming molds, and the machining efficiency is improved. And the production efficiency of the latex pillow can be greatly improved.

The utility model provides a foaming fire extinguishing device, which belongs to the technical field of fire extinguishing devices, and comprises a main pipe and a foaming stirring rod arranged on the main pipe, one end of the main pipe is provided with an inlet, the other end of the main pipe is provided with two outlets, each outlet is provided with a quick connector, and the inner wall of the main pipe is respectively provided with a first fixing frame; the air pipe capable of adjusting the air flow is matched with the foaming stirring blade rod in the main pipe, so that the foaming effect can be effectively improved, the air inlet amount of an air path can be controlled to achieve different foaming effects according to specific use conditions, various forms of dry foam and wet foam can be realized, more changeable fire extinguishing scenes can be dealt with, and when a fire disaster occurs, the fire extinguishing effect can be improved. And meanwhile, the assembly capable of locking and unlocking the foaming stirring rod can select whether to rotate the foaming stirring rod or not, so that the overall water content of subsequent foam is changed, the dry and wet state of the foam is further adjusted, and the selection flexibility is improved.

The present invention belongs to the field of PVC technology. An anti-static and anti-precipitation PVC foam product comprises the following raw materials by weight: 80 to 120 parts of PVC resin, 10 to 15 parts of ethylene-vinyl alcohol copolymer, 5 to 8 parts of calcium zinc stabilizer, 10 to 45 parts of plasticizer, 15 to 20 parts of composite foaming agent, 6 to 9 parts of foaming regulator, 2 to 3 parts of lubricant, 0.2 to 1 part of antioxidant, and 5 to 10 parts of filler. The PVC foam product of the present invention has the properties of anti-plasticizer precipitation, anti-static and the like, and has good mechanical properties. The present invention also provides a method for preparing an anti-static and anti-precipitation PVC foam product.

The invention relates to the field of ore flotation, in particular to tantalum-niobium ore flotation equipment. The tantalum mud ore flotation equipment has the defects that the tantalum mud ore attached to foam sinks into ore pulp again due to the fact that the tantalum mud ore is prone to remaining on a discharging ramp, and the tantalum mud ore flotation efficiency is low due to the fact that paddles of existing tantalum mud ore flotation equipment are prone to collecting and dispersing foam. Tantalum-niobium ore flotation equipment comprises a support and the like. A flotation box is fixedly connected to the support, two lifting sliding grooves are formed in the inner wall of the flotation box, a discharging inclined face is arranged at the bottom of the inner wall of the flotation box, and a discharging opening is formed in the bottom of the discharging inclined face on the flotation box. Ore pulp and a collecting agent in the stirring barrel are continuously mixed through the six sets of foaming screen plates, the foaming effect of the collecting agent can be better, the flotation efficiency of tantalum mud ore is improved, meanwhile, the scraping plate can be lifted upwards after scraping floating foam, the situation that the floating foam on the surface of the ore pulp is scraped in the reset process is avoided, and the flotation efficiency of tantalum mud ore is improved. Therefore, the situation that the tantalum mud ore sinks into the ore pulp again due to the fact that the scraper crashes floating foam can be reduced.

A kind of gas-liquid mixing device, flushing device and closestool, including being provided with at least sequentially communicating first mixing chamber and second mixing chamber in liquid outlet direction, first mixing chamber is also communicated with first air inlet, and second mixing chamber is communicated with second air inlet and bubble outlet passage;It further includes air inlet channel, air inlet channel is communicated with first air inlet and second air inlet. When using, air enters first mixing chamber and foaming liquid are mixed to constitute preliminary mixed liquid by first air inlet;Preliminary mixed liquid is mixed again with the air entered by second air inlet, to form mixed liquid with numerous micro-bubbles. Compared with viscous foaming liquid, mixed liquid is larger and more delicate in volume, and has better flowability, can quickly form uniform and delicate foam with other liquid, so that less foaming liquid can achieve better foaming effect, keep foam solubility relatively stable, improve the use frequency of single bottle foaming liquid.

This invention discloses a method for preparing a modified chitosan whisker-reinforced and toughened PBAT microfoamed composite material. Biodegradable and high-modulus chitosan whiskers are selected as the reinforcing agent, enabling the composite material to achieve full biodegradability. Through surface modification technology, PBAT segments with the same composition as the PBAT matrix are introduced onto the surface of the chitosan whiskers. This design ensures good compatibility between the chitosan whiskers and the matrix, resulting in thorough dispersion within the matrix and achieving a more efficient reinforcement and toughening effect than traditional reinforcing agents. Simultaneously, the grafted and modified chitosan whiskers can increase the melt viscosity and melt strength of the PBAT matrix, thereby improving its foaming properties.

The utility model relates to the technical field of coating production equipment, in particular to a microcellular foaming forming machine for a heat-preservation stone-chip-resistant coating. Comprising a mixing stirrer, raw material storage tanks connected with the interior of the mixing stirrer through pipelines, a plurality of metering pumps arranged on the pipelines and in one-to-one correspondence with the raw material storage tanks and a gas introduction device connected with the interior of the mixing stirrer, and a rotating shaft is arranged in the mixing stirrer through a driving device; three layers of blades of a spiral structure are sequentially arranged on the rotating shaft in the axial direction of the rotating shaft, and sawteeth are arranged on the edges of the front ends of the blades. By optimizing the paddle, the efficient stirring and mixing of the coating are realized, and better conditions are provided for foaming, so that the foaming effect of the coating is greatly improved.

The invention relates to lightweight thermal insulation concrete and a preparation method, and relates to the field of building materials, the lightweight thermal insulation concrete comprises the following components by mass: 60-100 parts of cement, 5-10 parts of modified SEBS, 20-40 parts of fly ash, 30-60 parts of ceramsite, 0.5-1.5 parts of a compound foaming agent, 10-20 parts of a modified cellulose filler, 0.005-0.015 part of a foam stabilizer, 0.5-1.5 parts of a water reducer and 30-50 parts of water; the modified SEBS is prepared from the following raw materials: an SEBS body, itaconic acid and allyl glycidyl ether. The preparation method comprises the following steps: mixing and stirring cement, modified SEBS, fly ash and modified cellulose filler, adding ceramsite, and stirring to obtain a dry mixture; preparing a water reducing agent solution, and preparing a foaming agent dispersion liquid; adding water into the dry mixture, stirring, adding a water reducing agent solution, and stirring to obtain a wet mixture; and adding the foaming agent dispersion liquid into the wet mixture, and carrying out pressure foaming to obtain the lightweight thermal insulation concrete. The method has the effect of improving the thermal insulation performance and the anti-cracking performance of the concrete.

The invention discloses a recoverable quasi-interpenetrating network foam fracturing fluid which comprises the following components in percentage by mass: 2-4% of a multi-effect agent, 0.1-2% of a thickening aid, 1-2% of a clay stabilizer, 0.5-2.5% of an iron ion stabilizer, 0.05-0.5% of an enhancer and the balance of water, the multi-effect agent is selected from one or a mixture of more of cocamidopropyl dimethylamine, oleamide propyl dimethylamine, fatty acid amide propyl dimethylamine and erucamide propyl dimethylamine; under the stimulation of CO2, the multi-effect agent obviously reduces the surface tension of the fracturing fluid base fluid, improves the foaming capacity of the foam fracturing fluid, can form wormlike micelles in the base fluid, and greatly improves the stability of foam. The reinforcer is modified nano cellulose, can form hydrogen bonds with the multi-effect agent on an interface, improve the adsorption density of the multi-effect agent and reinforce the foaming capacity, and can also form a quasi-interpenetrating network structure with the wormlike micelles in a liquid film to further improve the stability and the sand-carrying capacity of the foam fracturing fluid, and the foam fracturing fluid can be recycled for multiple times.

The utility model discloses a kind of foam car washers, specifically relates to car washer technical field, including foam reaction cylinder, stirring rod is rotatably connected in foam reaction cylinder inside, thread rod is arranged in foam reaction cylinder inside and at stirring rod side, lifting block is connected with the screw thread sleeve of thread rod outside, lifting web is fixedly arranged on the outside of lifting block, stirring rod is movably threaded through the surface of lifting web, suction U-shaped pipe is fixedly arranged on lifting web, connecting hose is connected with the outside of suction U-shaped pipe, connecting hose one end is fixedly threaded through foam reaction cylinder top end, transmission assembly is arranged between stirring rod and thread rod;By the up-and-down movement of connecting hose one end suction U-shaped pipe, so that the suction U-shaped pipe of connecting hose one end can adapt to foam reaction cylinder inside to produce foam for horizontal position height lifting adjustment, and water and cleaning agent are fully mixed stirring by the up-and-down movement of lifting web, to further improve its foaming effect and efficiency.

The invention relates to the technical field of fire safety, and discloses a fluoride-free foam extinguishing agent and a preparation method thereof.The fluoride-free foam extinguishing agent comprises a hydrocarbon surfactant, a carboxyl modified organosilicon surfactant, an organic solvent, water and an optional pH regulator; the carboxyl modified organic silicon surfactant is obtained by modifying an organic silicon surfactant by using maleic anhydride; the hydrocarbon surface active agent is selected from at least two of an anionic hydrocarbon surface active agent, a cationic hydrocarbon surface active agent, an amphoteric hydrocarbon surface active agent and a nonionic hydrocarbon surface active agent. Under the interaction of the components, the fluoride-free foam extinguishing agent disclosed by the invention has excellent fire extinguishing performance and burning resistance. In addition, the raw materials of the fluoride-free foam extinguishing agent are easy to obtain and low in cost, the biodegradability of all the raw material components is small, and the fluoride-free foam extinguishing agent does not contain a fluorocarbon surfactant thoroughly, is small in environmental pollution and does not have toxic or side effects.

The invention relates to an anti-ultraviolet polyurethane composite material, a preparation method, foam and a foaming method, and the preparation method comprises the following steps: fully mixing polyurethane, hexamethylene diisocyanate tripolymer and an anti-ultraviolet agent, and processing and extruding by using a double-screw extruder to obtain the anti-ultraviolet polyurethane composite material, and soaking the anti-ultraviolet polyurethane composite material in carbon dioxide by adopting a supercritical carbon dioxide foaming method, and instantly releasing the pressure to obtain the foam. Compared with a polyurethane composite material which is directly blended with an anti-ultraviolet agent, the polyurethane composite material disclosed by the invention can obtain better mechanical properties, more durable ultraviolet transmittance and color stability, and also obtains more excellent foaming performance.

The utility model discloses a foaming device for foam extinguishing agent production, which relates to the technical field of extinguishing agents, and comprises a mobile flatcar, a mixing tank, a foam mixed liquid box and a heptafluoropropane gas storage bottle, the mobile flatcar is provided with the mixing tank, the mixing tank is internally provided with a stirring shaft, and the heptafluoropropane gas storage bottle is arranged in the stirring shaft. Through the arrangement of the stirring shaft, the spiral blade and the stirring blade, the stirring shaft can drive the spiral blade and the stirring blade to rotate, and the stirring blade can drive a foam mixed solution in the mixing tank to perform horizontal stirring, so that the foam mixed solution is fully mixed with heptafluoropropane gas; meanwhile, the spiral blade can drive the foam mixed liquid to roll up and down, so that the mixing uniformity is further improved, and the foaming effect is better, and due to the design that the included angle between the spray head connected with the foam mixed liquid conveying pipe and the air outlet of the air conveying pipe is 45 degrees, the foam mixed liquid and heptafluoropropane gas can be mixed in advance; the mixing effect is improved.

The invention discloses an environment-friendly negative ion gypsum plaster board and a preparation method thereof, the negative ion gypsum plaster board comprises a core material and surface protection paper, and the core material is prepared from hemihydrate gypsum, fly ash, silica gel, negative ion powder, titanium dioxide, an improved foaming agent, a water reducing agent, a retarder, plant starch, activated rubber powder and water. The environment-friendly gypsum plaster board can effectively release anions and effectively adsorb formaldehyde in air, and the environment-friendly performance of the gypsum plaster board is improved.

The invention discloses a direct vat set solid waste foaming warm mixing agent as well as a preparation method and application thereof, belongs to the technical field of materials for road engineering, and provides the direct vat set solid waste foaming warm mixing agent which comprises 80-100 parts of red mud, 80-120 parts of a modified solution, 0.5-2 parts of sodium dodecyl benzene sulfonate and 15-35 parts of water. According to the application of the solid waste foaming warm-mixing agent in preparation of the warm-mixing asphalt mixture, the warm-mixing asphalt mixture is prepared from 85-95 parts of aggregate, 4-6 parts of asphalt, 2-5 parts of filler and 0.5-2 parts of the solid waste foaming warm-mixing agent. The characteristics of porosity, strong water absorption and the like of the industrial solid waste red mud are utilized, the solid waste foaming warm-mixing agent is prepared after the industrial solid waste red mud is modified, the warm-mixed asphalt mixture is prepared in a direct feeding mode, more red mud is consumed while the pavement performance of the mixture is guaranteed, and resource utilization of the solid waste is achieved.

This utility model belongs to the technical field of foaming machine heads, specifically an adjustable foaming machine head with a foam-like structure. It includes a foaming machine head body, a die fixedly connected to the output end of the body, four supports fixedly connected to the exterior of the body, threaded rods threaded inside the supports, a circular plate fixedly connected to one end of each threaded rod, and the other end rotatably connected to the outer wall of the die. A flange is fixedly connected to the outer wall of the foaming machine head body away from the die, and a flow divider is fixedly connected inside the body near the flange. A perforated plate is fixedly connected inside the body. This utility model uses a handle to rotate the circular plate and threaded rods, and the threaded transmission of the supports causes the threaded rods to extend and retract, thereby pushing the die and the output end of the foaming machine head body to achieve fine-tuning of their positions. The entire adjustment process requires no complicated steps, is labor-saving and precise, and can quickly adapt the die position, effectively shortening the adjustment time.

The utility model relates to the technical field of fertilizer production, and provides a coconut shell crushing and soaking all-in-one machine which comprises a conveying box and a crushing box, a crushing mechanism is arranged in the crushing box, a conveying mechanism is arranged in the conveying box, a soaking mechanism is arranged in the conveying box, the crushing box is communicated with the conveying box, and the crushing box is communicated with the conveying box. The crushing mechanism comprises connecting bearings rotationally connected to the two sides of the crushing box, a rotating shaft is fixedly connected between the connecting bearings, and the periphery of the rotating shaft is fixedly sleeved with a crushing roller; the conveying mechanism comprises a spiral conveying rod rotationally connected to the interior of the conveying box. According to the utility model, coconut shells can be conveyed into the conveying box after being crushed, and can be directly soaked after being crushed in cooperation with the soaking mechanism, so that the crushing and soaking operation has continuity, and the device has the functions of being good in soaking effect, small in occupied area, and capable of reducing the pre-production steps of machine-made fertilizers and improving the production efficiency of matrix fertilizers.

The invention discloses a foam workover fluid system and a preparation method thereof. The foam workover fluid system is prepared from a foaming agent, a foam stabilizer, a high-temperature stabilizer, water and the like. The foaming agent is a composition of sodium alpha-olefin sulfonate and sodium dodecyl benzene sulfonate; the foam stabilizer is a composition of xanthan gum and polyacrylamide; and the high-temperature stabilizer is thiourea. The use amount of the foaming agent accounts for 0.50%-0.70% of the mass of the water, the use amount of the foam stabilizer accounts for 0.10%-0.30% of the mass of the water, and the use amount of the high-temperature stabilizer accounts for 0.05%-0.20% of the mass of the water. The method comprises the following steps: adding a foam stabilizer into water at 50-60 DEG C, and uniformly stirring; adding a high-temperature stabilizer, and continuously stirring; and finally, adding the foaming agent and stirring for 30 minutes to obtain the foam workover fluid. The foam workover fluid system has excellent foaming performance and foam stabilizing performance, is low in density, strong in salt resistance and oil resistance and good in high-temperature stability, can effectively reduce the leakage problem in workover operation, meets the requirements of low-pressure oil and gas well workover operation, and is suitable for popularization and application in the low-pressure oil and gas well workover operation.

This invention relates to an environmentally friendly lightweight blow-molded container, which has a multi-layer co-extrusion structure. The multi-layer co-extrusion structure includes at least one foam layer, an inner surface support layer, and an outer surface support layer. The foam layer is located between the inner and outer surface support layers. The foam layer is made of the following components by weight: 100 parts of waste plastic scrap PP, 1-3 parts of diallyl isocyanurate, 5-10 parts of acrylamide, 0.3-0.5 parts of initiator, 3-10 parts of foaming material, and 0-15 parts of other additives. The foaming material includes a support structure, which is a three-dimensional porous material. This invention achieves lightweighting through foaming while utilizing waste plastics for high-value conversion. The foamed product of this invention has stable pores that are not easily collapsed, and has good thermal insulation properties.

This invention discloses a low-carbon foamed concrete wall panel production device and method. The production device includes a water storage tank for providing foaming liquid, a carbon dioxide foaming machine and an air foaming machine for generating gas-water solution foam through liquid foaming, a foamed concrete mixer for mixing the corresponding gas-water solution foam with concrete raw materials, and a wall panel mold frame for casting foamed concrete wall panels. The wall panel mold frame includes a movable base, several wall panel partitions arranged parallel to each other on the movable base, forming side plates arranged perpendicular to the wall panel partitions, and a curing mechanism for curing during the wall panel casting process. This invention can produce lightweight foamed concrete wall panel products with higher strength and denser structure, while increasing the carbon dioxide sequestration capacity, achieving high-efficiency and energy-saving production.

The invention provides a polyether-ether-ketone microporous injection molding local regulation and control method based on induction heating, which comprises the following steps: adding a polyether-ether-ketone material into micro-foaming injection molding equipment for storage, and fully mixing a polyether-ether-ketone melt with a foaming agent in a storage stage to form a supercritical fluid; before mold closing, an electromagnetic induction coil is used for locally heating a specific area of the micro-foaming injection molding equipment; and then the coil and the thermocouple are removed, the injection molding machine carries out mold closing, injection and pressure maintaining actions, after the pressure maintaining actions are finished, the movable mold carries out micro mold opening actions, after the micro mold opening actions are finished, normal cooling, mold opening and ejection actions are carried out, and the polyether-ether-ketone foaming product with the local foaming regulation and control characteristic can be obtained. The electromagnetic induction heating coil is used for locally heating the specific areas of the movable mold and the static mold, so that the local microstructure of the polyether-ether-ketone micro-foaming product is regulated and controlled, the crystallinity and the foaming effect of the areas are synergistically improved, and the original tensile property is kept.