18results about How to "Material environmental protection" patented technology

The invention provides a polymer alloy as well as a preparation method and application thereof, and the polymer alloy comprises the following components in parts by weight: 60-80 parts of polycarbonate, 8-20 parts of an acrylonitrile-butadiene-styrene copolymer, 5-12 parts of a phosphorus flame retardant, 1-6 parts of an anti-abnormal sound auxiliary agent and 0.8-5 parts of filler, the phosphorus flame retardant comprises a phosphazene flame retardant; the filler comprises talcum powder; the abnormal sound resistant auxiliary agent comprises a maleic anhydride grafted styrene-ethylene-butadiene-styrene copolymer. According to the PC / ABS polymer alloy and the preparation method thereof, specific types of phosphorus flame retardants, abnormal sound resistant auxiliaries and fillers are compounded, so that the damp-heat aging resistance of the PC / ABS polymer alloy is improved, the smoke density of the PC / ABS polymer alloy is reduced, and the polymer alloy has an abnormal sound resistant effect.

The invention discloses a root box device for fungus-mediated photosynthetic carbon and soil nitrogen and phosphorus underground transaction between plants. The device is a box body device with an open top, and is formed by combining a cuboid three-dimensional frame and a PVC (Polyvinyl Chloride) baffle plate adhered with a nylon net, and water-permeable and air-permeable holes are formed in a back panel and a bottom plate of the three-dimensional frame. The PVC baffle plates have two dimensions, and the middle parts of the PVC baffle plates are hollow. The PVC baffle is hollowed out and pasted with a 35 [mu] m nylon net to form a blocking unit, so that hyphae can pass through, and root systems cannot pass through. The PVC baffles and the cuboid frame are seamlessly pasted together, and the cuboid frame is divided by the PVC baffles to form three root chambers, four air compartments and two marking chambers. Materials used by the device are environment-friendly, low in cost, durable, simple in using method, good in air permeability and water permeability and suitable for related scientific research.

The utility model discloses flocculation clarification sewage treatment equipment for sewage treatment, which relates to the technical field of sewage treatment and comprises a fixing frame, a treatment bin mechanism is fixedly connected to the inner wall of the fixing frame, and a flocculation stirring component is fixedly connected to one side of the top of the treatment bin mechanism. The end, close to the flocculation stirring assembly, of the top of the treatment bin mechanism is fixedly connected with a biological settling aid adding assembly, and the top of the biological settling aid adding assembly is fixedly connected with an anti-settling assembly. Through the arrangement of the sludge reduction bacterium adding assembly and the sludge reduction bacterium mixing assembly, when sludge generated after flocculent precipitation is treated, sludge reduction bacteria are uniformly mixed in the sludge, and organic matters in the sludge are converted into carbon dioxide through the sludge reduction bacteria, so that the sludge amount generated during flocculent clarification is reduced, and the sludge reduction effect is improved. Meanwhile, a biological settling aid is adopted as a flocculating agent, so that the used materials are more environment-friendly, the proportion of organic matters in the sludge is higher, and the sludge reduction effect is better.

The application discloses an aluminum cover forming method and an aluminum cover and relates to the technical field of aluminum cover manufacturing. The aluminum cover forming method comprises the following steps: S1, placing an aluminum plate into an initial forming die, and forming a macro-domain large curved surface in the middle of the aluminum plate and an initial foot position with the same height as a required foot position on the circumferential edge of the aluminum plate through the extrusion force of a press machine and the initial forming die; S2, placing the aluminum plate preliminarily formed in S1 into a final forming die, and further forming the macro-domain large curved surface formed in the middle of the aluminum plate into a final shape at room temperature through the final forming extrusion pressure of the press machine, and flowing and filling the edge cavity of the final forming die to form an edge through the extrusion of the final forming die, and forming a final foot position shape through the extrusion of the initial foot position; and S3, opening the die to take out the formed aluminum cover. The production of the large-size foot position height aluminum cover can be realized at room temperature, the energy consumption is low, and the aluminum cover is simple and convenient to manufacture.

The utility model belongs to the technical field of connecting pieces, and provides a detachable plastic water pipe connector connecting piece (hereinafter referred to as a connecting piece). The plastic water pipe connector becomes a movable connector through the connecting piece, and corresponding long water pipes can be repeatedly disassembled and connected. The connecting piece is in a circular tube shape and is composed of a connecting rod and a matched nut, one end of the connecting rod is connected with the water pipe connector and fixed through glue, the other end of the connecting rod is provided with a transverse groove and an external thread, and the matched nut is screwed down to fasten a port and lock the inserted long water pipe. The connecting piece and the water pipe connector are in single connection, and the connecting piece is suitable for various water pipe connectors of the same model, can be used as long water pipes of stand columns and cross bars in a matched mode, can be assembled into frames of various shapes and can be disassembled repeatedly. Existing plastic water pipe part resources in the market are utilized, the application range of the plastic water pipe is widened, and waste caused by repeated mold opening is reduced.

The invention relates to the technical field of packaging materials, in particular to a bio-based polyamide film for aluminum-plastic film packaging and a preparation method of the bio-based polyamide film. The film comprises a coating layer and a bio-based polyamide base material layer, the coating layer is formed by coating the surface of the bio-based polyamide base material layer with acrylic acid coating liquid, and the acrylic acid coating liquid comprises organic silicon modified acrylic resin, polyurethane microspheres, an aziridine cross-linking agent and water; the bio-based polyamide base material layer is composed of three layers of biaxially oriented bio-based polyamide films, and bio-based PA56 and bio-based PA5X in each layer are formed according to a certain proportion. The bio-based PA56 and the bio-based PA5X are cooperatively used and are matched with the acrylic acid coating liquid, so that the stretching ratio of the thin film is reduced, the strength, the toughness and the wear resistance of the thin film are ensured, the electrolyte resistance is improved, and the high pit flushing property of a flat film method is realized.

The invention discloses a sports floor with moisture-proof and shock-absorbing functions and an installation technology thereof.The sports floor comprises a first moisture-proof film laid on a leveling layer, a plurality of parallel keels are erected on the first moisture-proof film, a plurality of shock-absorbing rubber mats are arranged between the keels and the first moisture-proof film, and the shock-absorbing rubber mats are arranged on the first moisture-proof film; and flame-retardant plates are fixedly installed on the upper sides of the keels, the laid keels are connected into an integral bearing frame by laying the multiple flame-retardant plates, a second moisture-proof film is laid on the upper sides of the flame-retardant plates, and a wood floor is laid on the upper side of the second moisture-proof film. Good elasticity, silence, moisture resistance and stability are provided, the construction cost is lower, and the environment-friendly requirement is met.

This invention provides a method for reducing friction and wear in a water-based lubricant based on magnetic field-controlled nanochains, belonging to the field of water-based lubricant technology. The invention utilizes magnetic Fe3O4 nanoparticles as raw materials and employs a silanization reaction to achieve magnetic field-assisted self-assembly of one-dimensional Fe3O4@SiO2 nanochains. These nanochains are then dispersed in deionized water or other basic lubricants to form a nanochain water-based lubricant. During lubrication, the one-dimensional nanochains are aligned perpendicular to the sliding direction using a magnetic field, achieving controllable orientation and forming a uniformly oriented rolling bearing structure on the contact area of ​​the friction pair. This significantly reduces the coefficient of friction and wear rate. The method is simple, uses environmentally friendly materials, and allows for real-time control of the lubrication state. It can be widely applied to friction reduction and wear resistance in mechanical transmissions, water-lubricated bearings, flexible device interface protection, and micro-precision moving parts.

The invention discloses a composite impregnant for a metallized film capacitor and a preparation method of the composite impregnant. The composite impregnant comprises the following components in parts by weight: 50-70 parts of trimethylolpropane ester; 10 to 30 parts of nettle oil; 10 to 20 parts of epoxidized soybean oil; 0.1 to 1 part of an antioxidant; 0.01 to 0.1 part of a metal deactivator; 0.05 to 0.5 part of polycarbodiimide; the trimethylolpropane ester, the nettle oil and the epoxidized soybean oil serve as main raw materials, the antioxidant, the metal deactivator, the polycarbodiimide and the nanometer aluminum oxide serve as auxiliary additives, the materials are environmentally friendly, chemical reaction is stable in the preparation method process, operation is easy, and good economic benefits and environmental protection benefits are achieved.

The invention belongs to the field of metabonomics analysis, and particularly relates to a metabonomics analysis method of a 3D printing intravascular stent. According to the invention, nano metabonomics is established through the combination of the detection analysis of a non-targeted water-soluble / lipid metabonomics method, the detection analysis of targeted water-soluble / lipid metabonomics and space metabonomics, and the biological reaction of 3D-PVS is clarified. A nano metabonomics method with multi-dimensional biological information is used for researching the biological effect of 3D-PVS on the metabolic level, and potential biochemical, medical and industrial application and development directions of 3D-PVS are disclosed on the basis of nano metabonomics research results. The method also has the following technical advantages and characteristics: the operation is convenient, the cost is economical and practical, the materials are environment-friendly and environment-friendly, the design is simple, the method is suitable for laboratory research and outdoor test, the non-targeting-targeting combined nano metabonomics research of 3D-PVS biological response characteristics can be conveniently carried out in real time, and the application prospect is wide.

The invention discloses a preparation process of a novel plastic environmentally friendly high-elastic acrylic acid, which specifically includes the following steps: step one, device preparation; step two, pretreatment; step three, adjustment; step four, granulation; step five, spray liquid preparation; step six, matching processing, and the invention relates to the field of acrylic acid technology. The preparation process of the novel plastic environmentally friendly high-elastic acrylic acid uses bamboo powder and nano bamboo fiber to match acrylic acid for granulation, which ensures the high elasticity of environmentally friendly particles while increasing the tensile strength. Under the setting of surface coating, sports scenes are constructed by spraying coating on environmentally friendly particles. Under the setting of adding bamboo powder and bamboo fiber, the adhesion of the product is effectively improved. Bamboo raw materials are widely used, the materials are environmentally friendly, and have natural antibacterial, antibacterial, mite removal, deodorization and anti-ultraviolet functions, and have excellent wear resistance, which can effectively improve the friction and environmental health when applied to sports scenes.

The utility model belongs to the technical field of medical instruments, and discloses an adjustable scrotum pressurizing belt which comprises a belt body and a pressurizing belt body, the pressurizing belt body is of an X-shaped structure composed of four connecting belts, the four connecting belts are two abdomen side pressurizing belts and two back side pressurizing belts respectively, and a scrotum supporting belt is arranged at the convergence position of the pressurizing belts. The waistband main body is provided with an adjustable connecting piece I for connecting the two end parts of the waistband main body, and the waistband main body is provided with an adjustable connecting piece II for connecting the abdomen side pressurizing belt and the back side pressurizing belt. Velcro tapes are arranged at the two ends of the waistband, and the pressurizing belts on the abdomen side and the back side are fixed on the waistband through buttons, so that the scrotum pressurizing belt is convenient to wear, the waistband is convenient to adjust, the operation is convenient, the pressure is adjustable, local skin allergy and tension blisters are not easily induced, and the scrotum pressurizing belt can be repeatedly used, is convenient to clean, is environment-friendly in material and is low in cost.

The utility model relates to cable protection pipe technical field, and disclose a kind of composite cable protection pipe, including first protection pipe main body and second protection pipe main body, the right side surface of first protection pipe main body is equipped with connecting block, multiple clamping mechanisms are provided in the inside of connecting block, clamping mechanism includes telescopic link installed in the inside of connecting block.The utility model is equipped with the clamping mechanism of clamping bead and the clamping groove adaptation, buffer support with telescopic link and spring, the stable and close connection of first protection pipe main body and second protection pipe main body is realized, installation dismounting does not need complex tool, can substantially improve construction efficiency, reduce maintenance cost, in urban pipe network, industrial plant and open-air engineering etc. Scene, can provide reliable and long-acting protection for cable, the contact surface design of clamping mechanism can enhance friction and stability, while supporting modularization splicing, and main body material is environment-friendly, transport is light, while having sustainability advantage when guaranteeing cable safety.

The utility model relates to the field of strawberry cultivation devices, in particular to a three-dimensional strawberry cultivation device on a rear wall of a greenhouse. The cultivation device aims to solve the technical problems that in the prior art, a strawberry greenhouse is large in occupied area and poor in root breathability, and materials of cultivation grooves are not environmentally friendly. A strawberry three-dimensional cultivation device on a rear wall of a greenhouse comprises a supporting assembly, a cultivation assembly and reinforcing ribs. According to the cultivation device, the assembled three-dimensional strawberry rack is adopted, flexible adjustment can be conducted according to cultivation requirements, meanwhile, the number of installation layers of the cultivation assemblies is adjusted according to the actual height of the rear wall of the greenhouse, the space utilization rate is higher, meanwhile, due to the fact that the cultivation device can be easily disassembled and reassembled, repeated use can be achieved, and cost is reduced. The corrugated boards and the felts are laid on the inner sides of the cultivation assemblies to form the cultivation grooves, the cultivation groove materials such as the corrugated boards and the felts are good in air permeability and environmentally friendly, and the purpose of recycling waste can be achieved.

The utility model discloses a novel knife stone which comprises an ABS base capable of being clamped and fixed by a metal angle fixing device and at least one stainless steel sand-plated blade arranged on the ABS base, grinding patterns used for grinding appliances are formed on the upper surface of the stainless steel sand-plated blade, and the stainless steel sand-plated blade is arranged on the upper surface of the stainless steel sand-plated blade. And the polishing patterns are a plurality of round-hole-shaped patterns which are uniformly arranged and distributed on the upper surface of the stainless steel sand-plated blade. According to the novel knife stone, the blade is made of stainless steel plated sand, the novel knife stone is environmentally friendly, rust-proof, not prone to yellowing and good in use experience, the base is supported by ABS materials, the strength of the novel knife stone is high, the novel knife stone is good in toughness, the novel knife stone can be fixedly matched with a metal fixed-angle fixator in the market for use, the purpose of accurate grinding without effort is achieved, and safety is high.

The utility model provides a lamp packaging box which comprises a box body and three sealing panels, the three sealing panels are arranged on three adjacent edges of the top of the box body and integrally formed with the box body, and the three sealing panels are folded and sealed relative to an opening in the top of the box body. The limiting protection plate is arranged on the free edge of the top of the box body and extends outwards, the limiting protection plate comprises a first fixing section, a second fixing section and an elastic limiting section connected between the first fixing section and the second fixing section, and one side of the first fixing section and the free edge of the top of the box body are integrally formed; after the limiting protection plate is folded into the box body, the first fixing section is attached and limited to the inner wall of the side, connected with the first fixing section, of the box body, the second fixing section is attached and limited to the inner wall of the opposite side, connected with the first fixing section, of the side, connected with the first fixing section, of the box body, and the elastic limiting section stretches across the surface of a lamp to be packaged. And the lamp to be packaged abuts against the inner wall of the bottom of the box body.

The utility model discloses a middle ring supporting frame of a pulsator washing machine. The middle ring supporting frame comprises a clamping piece, a fixing piece and a reinforcing piece. The clamping piece and the fixing piece are mutually inserted to form a mortise and tenon joint structure, and reinforcing pieces are symmetrically arranged on the two sides of the connecting position of the clamping piece and the fixing piece. According to the utility model, the clamping piece and the fixing piece which are made of cellular boards are mutually inserted to form a mortise and tenon joint structure, and the mortise and tenon joint structure is placed in the inner container of the pulsator washing machine to support and fix the inner container; reinforcing pieces made of paper angle bead materials are symmetrically arranged on the two sides of the connecting position, the supporting strength of the tenon-and-mortise structure is effectively improved, the overall structural strength of the supporting frame is high, the materials are environmentally friendly, and the supporting frame can be rapidly disassembled to be conveniently recycled and reused in the later period.

The invention relates to the technical field of cable materials, in particular to a high-temperature-resistant tough cable material and a preparation method thereof. A high-temperature-resistant tough cable material is prepared from the following components: a vinyl chloride-acrylate copolymer, polyether-ether-ketone, ethylene propylene diene monomer, graphene, nano titanium dioxide, a metal organic framework material, nano aluminum oxide, an antioxidant, a light stabilizer and a plasticizer, and a preparation method of the cable material comprises the steps of raw material pretreatment, raw material mixing, melt blending, cooling, pelletizing and the like. According to the high-temperature-resistant tough cable material and the preparation method thereof, the heat resistance and toughness of the cable material in a high-temperature environment can be remarkably improved, the problem that a traditional PVC cable material is prone to thermal degradation and embrittlement in the high-temperature environment is solved, and therefore the service life of a cable is greatly prolonged, and the reliability of the cable is greatly improved.