33results about How to "Product environmental protection" patented technology

The invention discloses a multi-functional laminated iron production line. The multi-functional laminated steel production line comprises a cold rolled base plate unwinding device, a seam welder, two S turning roller sets, a first or/and second thin film release device, an iron sheet laminating device and a laminated iron winding machine, which are sequentially arranged in a conveying direction of metal base plates; the metal base plate from the seam welder enters the iron sheet laminating device after being tensioned and rectified, and a first thin film or/and second thin film is/are fed into an iron sheet laminating machine after rectification, so that the iron sheet laminating machine covers one surface or two surfaces of the metal base plate with the first thin film or/and the second thin film to form single-sided or double-sided laminated iron, the single-sided or double-sided laminated iron is fed into the other S turning roller set by the iron sheet laminating machine to be tensioned, and the tensioned single-sided laminated iron is wound by the laminated iron winding machine. The multi-functional laminated iron production line can produce both low-temperature bonded laminated iron and high-temperate melted laminated iron, is advanced iron laminating equipment capable of realizing efficient and continuous production, and can be well adaptive to the change of market requirement.

The invention provides a preparation method of a superabsorbent resin used for a high-molecular gel extinguishing agent. The preparation method comprises: mixing acrylic acid and a sodium carbonate aqueous solution to prepare a neutralization solution; successively adding a cross-linking agent, an initiator and an adhesion promoter into the neutralization solution to prepare a polymerization solution; performing polymerization to prepare the superabsorbent resin; and cutting into particles with a diameter of 10-20 mm to further prepare superabsorbent resin particles with a particle size of 40-150 meshes. The preparation method is simple, and the superabsorbent resin prepared by the method is convenient to used and excellent in fire extinguishing effect.

The invention discloses a preparation method of nucleocapsid soap free surface sizing agent and comprises the following procedures that: (1) firstly, water, macromolecule polymers and monomers are mixed according to the mass ratio of 8.5:1.5 to 6.5:3.5, then proper molecular weight regulator are added and uniformly stirred; the monomers comprise a function monomer, an acrylate kind soft monomer, a hard monomer and an ion monomer; (2) in a stirring state, a part of mixture which accounts for 10 percent to 60 percent of the total mixture mass of the acrylate kind soft monomer, the hard monomer and the ion monomer is added and heated to 73 to 75 DEG C; evocating agent solution which accounts for 20 percent to 50 percent of the total evocating agent mass is then added; after 20 to 60 minutes, the mixture is heated to 76 to 82 DEG C; (3) then the residual mixture of the acrylate kind soft monomer, the hard monomer and the ion monomer and the residual evocating agent solution are respectively added; (4) the mixture is heated to 80 to 82 DEG C for heat preservation, has reaction for 2h to 3h, cooled to the room temperature and filtered, thereby achieving the nucleocapsid soap free surface sizing agent.

The invention provides a technology for processing film-coated iron. The technology for processing film-coated iron comprises the following steps that a cold-rolled thin collared steel plate (chrome-coated iron) subjected to surface chrome coating treatment is unreeled by an unreeling machine, then is cleaned up, is dried and is put into a preheating device for preheating; and the preheated steel plate is treated by a film pressing device so that the preheated steel plate and a plastic film are compounded by heating. The invention also provides a device for processing film-coated iron. The technology and the device for processing film-coated iron have the advantages that high efficiency, environmentally friendly and low-cost steel plate surface coating is realized; a production process is environmentally friendly; a product has good impact resistance and corrosion resistance; toxic low-molecular residues are not produced; and the technology and the device accord with a modern industrial large-scale production idea of low carbon and environmental protection.

The invention discloses a preparing method of a novel flame-retardant heat-insulation elastic polyester material. The preparing method includes the steps that phosphorus co-polymerized permanent flame-retardant polyester chips are pre-crystalized and dried, and then the water content is smaller than or equal to 30 ppm; spun filaments are obtained through spinning, and after the spun filaments are balanced and bundled, 2-10 D flame-retardant three-dimensional spiral crimped hollow polyester fibers are obtained through drafting, crimping, cutting-off and relaxation heat setting; 85-95wt% of flame-retardant three-dimensional spiral crimped hollow polyester fibers and 15-5wt% of low-melting-point polyester staple fibers are mixed evenly, treated in the mode of blowing, carding and lapping and then thermally bonded through a hot mill or a hot air dryer. The material is superior in performance and can replace polyurethane foaming plastic to be used as a furniture pad material, a vehicle seat pad material and various soft pad laminated composite materials.

The invention discloses a preparation method of a salt-resistant and detergent-resistant seaweed fiber; by introducing an auxiliary agent containing a borate radical, a finished product seaweed fiber is contacted and infiltrated with an auxiliary agent solution, appropriate raw materials, proportion and reaction conditions are selected, and thus the salt-resistant and detergent-resistant seaweed fiber is prepared. The preparation method solves the problems that the seaweed fiber and textiles thereof are not resistant to salts and detergents; the seaweed fiber after being modified by the borate radical and textiles thereof have good salt resistance and can withstand washing of alkaline detergents; the seaweed fiber modified by the auxiliary agent solution enables the swelling degree to be reduced to 39.8% after being soaked for 72 h in 30 DEG C normal saline, and enables the swelling degree to be reduced to 55.3% after being soaked for 24 h in a standard detergent; and the original appearance of the fiber is maintained, no obvious dissolution phenomenon generates, and at the same time, the self flame retardant performance of the seaweed fiber can be maintained.

The invention discloses an organic-inorganic compound fertilizer for high-yield paddy rice. The organic-inorganic compound fertilizer is prepared from the following raw materials in parts by weight: 20 to 50 parts of urea, 5 to 20 parts of monoammonium phosphate, 30 to 50 parts of potassium polyphosphate, 30 to 50 parts of seabird droppings, 15 to 35 parts of fermented paddy rice straws, 5 to 18 parts of fermented cow dung, 15 to 30 parts of bone dregs, 5 to 15 parts of humic acid, 2 to 8 parts of modified turf, 1 to 7 parts of paddy rice straws, 15 to 19 parts of coal ash, 5 to 12 parts of attapulgite, 1 to 6 parts of kaolin, 1 to 3 parts of manganese sulfate, 1 to 2 parts of ferrous sulfate, 1 to 4 parts of carbonic lime, 0.01 to 0.07 part of compound enzyme and 0.01 to 0.05 part of compound bacteria. A product of the organic-inorganic compound fertilizer is environment-friendly, less in pesticide residue, balanced in nutrition and high in yield of paddy rice.

The invention discloses a wormwood fiber composite textile material.The wormwood fiber composite textile material is formed by blending spun yarn made of wormwood fibers and other natural fibers, and the characteristics that the wormwood fibers are rich in resource and high in healthcare value are fully used.The invention further provides a preparing method of the wormwood fiber composite textile material.The preparing method includes the following steps that the wormwood fibers are extracted; long and flexible wormwood fibers are screened through wormwood fiber processing; the screened wormwood fibers are made into textile threads or blended with other natural fibers to be spun into textile threads; in the spinning process, a natural textile material and the textile threads formed by drawing the wormwood fibers are blended by a ratio to manufacture wormwood fiber composite textile threads; the wormwood fiber composite textile material (cloth, a blanket and a towel) can be manufactured by weaving the manufactured wormwood fiber composite textile threads, and then put into actual product production.The wormwood fiber composite textile material is healthy and environmentally friendly and keeps the unique bacteriostasis, deodorization and yang-qi strengthening advantages of wormwood better.

The invention belongs to the technical field of microwave absorbing materials. The invention discloses a kind of super-wide incidence angle microwave absorbing materials which are composed of a slanted irregular honeycomb structure made of a flexible substrate and a graphene conductive coating coated on the flexible substrate. The invention also discloses a production method of the super-wide incidence angle microwave absorbing materials. The method comprises the steps of the structural design of the super-wide incidence angle microwave absorbing materials, generation of surface resistance distribution through printing the graphene conductive coating on the flexible materials, manufacturing of the slanted irregular honeycomb structure, etc. The super-wide incidence angle microwave absorbing materials have the microwave absorbing frequencies ranging from millimeter wave to microwaves and incidence angles ranging from normal incidence angles to high incidence angles. Meanwhile, the material has the advantages such as low cost, a high technique, being environment-friendly, high mechanical strength, low density, a long service life, high temperature resistance and flame retardancy. Furthermore, the super-wide incidence angle microwave absorbing materials of the invention can be contracted to keep, can reduce cost for transport and collection and is in favor of construction and usage of secret test external fields.

The invention provides a heat compounding technique of a BOPET film and a tin-free steel plate,which comprises the steps of: uncoiling the steel plate by an uncoiling machine, preheating the steel plate to a set temperature by a preheating machine set, and high temperature heat compounding the preheated steel plate with the BOPET film through a hot pressing device, and coiling the heat compounded steel plate by a coiling machine. The invention also provides a heat compounding apparatus of BOPET film and tin-free steel plate, wherein the steel plate is uncoiled by the uncoiling machine and is conveyed to the preheating machine set to be preheated, and the preheated steel plate is heat compounded with the BOPET film by the hot pressing device. The heat compounding technique and apparatus of BOPET film and tin-free steel plate provided by the invention has the advantages of compounding a plastic film on the surface of the steel plate in an efficient, environmental friendly and low-cost manner, the production process is environmental friendly, the product has better erosion resistance, and no toxic low molecular compound is residual, so that the invention satisfies the low-carbon and environmental friendly conception of mass production in the modern industry.

The invention discloses a high-yield environment-friendly organic-inorganic compound fertilizer for co-cultivation of paddy rice and ducks. The high-yield environment-friendly organic-inorganic compound fertilizer is prepared from the following raw materials in parts by weight: 5 to 20 parts of urea, 15 to 30 parts of monoammonium phosphate, 15 to 35 parts of potash magnesium sulfate fertilizer, 40 to 60 parts of seabird droppings, 5 to 18 parts of fermented paddy rice straws, 15 to 25 parts of rapeseed cakes, 12 to 20 parts of bone dregs, 5 to 15 parts of humic acid, 2 to 10 parts of modified turf, 2 to 7 parts of corn straws, 1 to 5 parts of dolomite powder, 2 to 10 parts of attapulgite clay, 2 to 7 parts of kaolin, 1 to 3 parts of ferrous sulfate, 1 to 2.5 parts of manganese sulfate, 1 to 3 parts of carbonic lime, 0.5 to 1.05 parts of compound enzyme and 0.5 to 0.88 part of compound bacteria. A product of the high-yield environment-friendly organic-inorganic compound fertilizer is environment-friendly, less in pesticide residue, balanced in nutrition and high in yield of paddy rice.

The invention belongs to the technical field of polyurethane application, and in particular relates to a two-component polyurethane adhesive for a grinding tool and a preparation method of the two-component polyurethane adhesive. The two-component polyurethane adhesive adopts a two-component system; a polymer is prepared from polyether polyol of a functionality degree of 4 or 3, castor oil, a catalyst and a water absorbing agent in a mixed manner; an isocyanate component is prepared from 0-20% of diphenyl methane diisocyanate and 80-100% of polyisocyanates; and the two components are mixed together, thereby the polyurethane adhesive of high shore hardness D75-85 can be prepared. The two-component polyurethane adhesive is mainly applied to production and manufacturing of a polyurethane grinding material, is environmental-friendly in product, easy to operate, high in adhesiveness to minerals, smooth in grinding material surface, long in service life and economic and applicable.

The invention relates to a flame-retardant PVC (polyvinyl chloride) sunlight film and a preparation method thereof, and belongs to the technical field of chemistry and chemical products. The preparation method comprises the following steps: 1) setting amachine barrel temperature and a scraper temperature of a double-screw extruder; 2) taking an uniformly mixed mixture which comprises the followingcomponents in parts by weight: 100 parts of PVC resin, 3-10 parts of a plasticizer, 2-8 parts of a heat stabilizer, and 2-10 parts of a flame retardant, placing the mixture in a machine barrel of thedouble-screw extruder of step 1), and melting and extruding to obtain a resin melt; and blade-coating two surfaces of a base fabric layer with the resin melt by adopting a doctor blade, so as to forma base fabric coated with a resin melt layer; 3) subjecting the base fabric coated with the resin melt layer of step 2) to water-cooling solidification, trimming, and winding to prepare and obtain the flame-retardant PVC sunlight film. By adopting a method of directly impregnating a PVC resin melt with a substrate, the use of a highly toxic solvent or glue is avoided, and the flame retardance ofan obtained product can reach a limiting oxygen index of 32.4%.

The present invention provides a gas adsorbing material, which is prepared from the following materials by weight: 90-260 parts of a graphene aqueous solution and 79-81 parts of active carbon. According to the present invention, the graphene aqueous solution is mixed with active carbon, such that the adsorption capacity of the active carbon to toxic substances is enhanced, and particularly the active carbon has strong adsorption capacity to benzene and dust; by directly adopting the graphene aqueous solution as the raw material, such that the quality of the graphene can be ensured, and the production can be simplified; the graphene/active carbon gas adsorbing material for air purification has obviously-enhanced adsorption capacity compared with pure granular active carbon; and the preparedproduct and the preparation method are environmentally friendly, the process is simple, and the method is suitable for large-scale production.

The invention discloses a waterproof material for aluminum alloy doors and a preparation method of the material. The waterproof material comprises a component one and a component two, and solves the technical problems that waterproof coatings of aluminum alloy doors and windows in the prior art have poor mechanical properties and weak waterproof durability, and are not environmentally friendly enough and the like. The waterproof material is used on aluminum alloy doors and realizes technological effects such as high waterproof impermeability, long service life, safety, environmental protection, and the like on the aluminum alloy doors.

The invention provides a formula of an ethylene propylene diene monomer seal washer of a plate heat exchanger. The ethylene propylene diene monomer seal washer comprises the following materials in parts by mass: 70-110 parts of ethylene propylene diene monomer, 10-25 parts of carbon black N550, 40-70 parts of paraffin oil, 5-15 parts of zinc oxide, 1-6 parts of stearic acid, 2-4 parts of amine thermal-resisting antioxidant, 2-5 parts of peroxide, 0.5-3.5 parts of triallyl cyanurate, 3-6 parts of a blending agent and 3-8 parts of an anti-wear agent, wherein the peroxide is 2,5-dimethyl-2,5-di (tert-butylperoxy) hexane. The formula of the high heat-aging resistance ethylene propylene diene monomer seal washer of the plate heat exchanger is designed by combining the ethylene propylene diene monomer, the carbon black N550, the paraffin oil, the zinc oxide, the stearic acid, the amine thermal-resisting antioxidant, the peroxide, the triallyl cyanurate, the blending agent and the anti-wear agent; by using the Lanxess imported long-chain branched ethylene propylene diene monomer, the 2,5-dimethyl-2,5-di (tert-butylperoxy) hexane and the efficient thermal-resisting antioxidant, the heat aging resistance of a rubber material is improved, and the heat resistance reaches 175 DEG C; therefore, the ethylene propylene diene monomer seal washer can meet the use requirement of the plate heat exchanger, and the product is environmental-friendly.