40results about How to "Uniform microporous" patented technology

The invention provides a high-temperature-resisting lithium-ion battery membrane with a plurality of types of coatings and belongs to the technical field of battery membranes. The high-temperature-resisting lithium-ion battery membrane is prepared from a coating membrane composed of a battery membrane with one surface or double surfaces coated with coating slurry; one surface or double surfaces of the coating membrane are coated with slurry additional layers; each slurry additional layer comprises at least one layer of coating composed of the coating slurry. The invention further provides a preparation method of the high-temperature-resisting lithium-ion battery membrane with the plurality of types of coatings; the battery membrane has the advantages that a coating membrane has relatively high safety on a battery; meanwhile, the battery membrane can also be used for resisting high temperature, reducing the shrinkage rate of the membrane under a high-temperature condition and prolonging the service life of the battery; the high-temperature-resisting lithium-ion battery membrane can be used for improving the affinity of the membrane and electrolyte and can guarantee that the membrane is sufficiently swollen through the electrolyte and the service life of the battery is prolonged.

The invention discloses a technology for manufacturing brick by using dried sludge. The process comprises the following steps: stirring mixed materials; pulverizing raw materials by jaw breaking and hammer breaking; evenly stirring; screening the pulverized mixed material by a vibrating screen; carrying out upward mixing and rolling lamination on the mixed material screened by the vibrating screen; putting into a brut cellar; conveying the aged raw material into a shaper by a conveyer belt to shape the blank; conveying into a drying kiln for drying by a cutting, stacking and transporting car;then, sintering in a calcining kiln; and obtaining common sintered bricks, porous bricks or hollow bricks after the sintering is finished. According to the technology, sludge instead of clay is addedinto various raw materials. On the aspect of producing sintered bricks with high doping volume by utilizing municipal sludge, the maximum municipal sludge doping amount can reach 50%. The technology has obvious breakthrough on the aspects of sludge decrement and reclamation, and sludge is consumed to realize the purpose of changing waste material into things of value.

The invention discloses a gauze mask applied to the field of daily life. The gauze mask comprises a gauze mask body, an annular face connecting part and ear hangers, wherein the annular face connecting part is combined with the periphery of the gauze mask body, and the ear hangers are connected to two sides of the gauze mask body; a mask body bracket is further arranged on the inner surface of the gauze mask body and is of an annular structure; the face connecting part is synthesized from nylon fibers or polyester fibers; a radial protruded flow guide component is arranged on the mask body bracket and forms a channel between the gauze mask body on the outer side and the mask body bracket on the inner side; and an air suction hole and an air exhaust hole are further formed in the mask body bracket, and the channel is connected with the air suction hole. The gauze mask is simple in structure, novel in design and high in practical value, simultaneously has the effects of oxygen supplementation, antibiosis and deodorization as well as dust removal, purification and haze prevention and is convenient to mount, dismount and clean, and harmful substances of bacteria are unlikely to propagate.

The invention relates to a preparation method of a BiOCl/carbonized egg membrane composite visible light catalyst. The preparation method comprises the following steps that S1, egg membranes are driedand cut into pieces; S2, egg membrane fragments are calcined, and are grinded to particles after being calcined, and carbonized egg membranes are obtained; and S3, hydrochloric acid, deionized waterand ethanol are added to a Bi(NO3)3 solid body, then the carbonized egg membranes are added, ultrasonic treatment is carried out for 30-120 min, stirring is carried out for 30 min, a NaOH solution isadded in the stirring process, finally aging is carried out for 8-12 hours, liquid is filtered out, drying is carried out at 100 DEG C for 12-15 hours, finally the modified BiOCl/carbonized egg membrane catalyst is obtained, and the catalyst is applied to degradation of dye wastewater containing rhodamine B, antibiotic wastewater containing tetracycline hydrochloride and industrial wastewater containing organic pollutants. According to the preparation method of the BiOCl/carbonized egg membrane composite visible light catalyst, the pressure of waste treatment and environmental pollution can bereduced, waste is turned into treasure, and efficient catalytic degradation of the industrial waste water is realized.

The invention relates to a composite material, in particular to a novel PVC foamed profile and a preparation method thereof. The novel PVC foamed profile is prepared from components in parts by weight as follows: 100 parts of PVC, 3-25 parts of a toughening agent, 10-50 parts of calcium sulfate, 3-8 parts of a stabilizer, 0.6-3.5 parts of a foaming agent, 2-15 parts of a foaming control agent, 0.3-2.0 parts of an internal lubricant, 0.3-2.0 parts of an external lubricant, 1.0-1.5 parts of a PVC processing agent and 0.3-1.2 parts of a coupling agent. The content of filler in the PVC foaming system can be increased by 10%-30% in the formula while the weight of the product per meter is kept basically unchanged, the material has higher cost performance, the novel PVC foamed profile is developed according to the technical principle of a new material, is innovative in new material application, has the characteristics of facilitating resource utilization and being energy-saving, environment-friendly, green and economical and is suitable for industrial production.

The invention relates to a composite, in particular to a PVC (polyvinyl chloride) biomass foaming composite and a preparation method thereof. The PVC biomass foaming composite is prepared from components of preparation raw materials in parts by weight as follows: 100 parts of PVC, 5-50 parts of PVC renewable materials, 5-30 parts of biomass powder, 50-130 parts of calcium sulfate, 5-12 parts of a stabilizer, 1-5 parts of a foaming agent, 2-18 parts of a foaming regulator, 0.6-3.5 parts of an internal lubricant, 0.6-3.5 parts of an external lubricant, 1.8-2.5 parts of a PVC processing aid and 0.6-2.5 parts of a coupling agent. By means of the formula, the filler content of a PVC foaming system can be increased by 20%-50%, the weight of the product per meter is basically unchanged, and the material has higher cost performance. With the adoption of technique principles of new materials, the PVC biomass foaming composite has creativity of new material application, has characteristics of resource utilization, energy conservation, environmental protection and green economy and is suitable for industrial production.

The invention discloses a method for preparing medical collagen sponge from East sea dark gensing, which comprises the following steps: adding pepsase into East sea dark gensing defibrination going through dirt removing process; adding solid edible salt after the enzymolysis; salting, separating and collecting pulpy sediment, precipitating liquid, salting again, and separating; dissolving pulpy sediment by L- lactic acid, carrying out desalination process to the dissolved sea cucumber collagen liquid, adding food grade glutamine transaminase, spraying nepheloid sea cucumber collagen liquid into a mould, quick-freezing and forming the collagen liquid into collagen sponge instantly; freezing, alternating temperature and drying, and drying the material until the content of water is 1 to 3 %; withdrawing the collagen sponge, packing, irradiating, and entering the medical collagen sponge library. The method has the beneficial effects that East sea dark gensing is used as raw material to prepare the medical collagen sponge, the rich marine resource is enabled to be highly utilized, the sponge can also be used for crowd rejecting the mammal collagen, the problem of chemical residue in the product is solved, and the safety of the product is higher.

The invention discloses polyurethane slurry for producing a PU (Polyurethane) stripped fur shell fabric. The polyurethane slurry is prepared from the following components in parts by weight: 100 parts of hydrolysis-resistant polyurethane, 5-7 parts of dimethyl acryl methylamine, 20 parts of butanone, 18-20 parts of toluene, 20 parts of deionized water, 1 part of N-methyl ethanol amine, 3 parts of di-iso-octyl maleate sodium sulfonate and 5-7 parts of dye paste. The coating shell fabric formed by the polyurethane slurry is uniform in micropore, and the polyurethane slurry is not easy to swell with water, thereby improving the water vapor permeability of the fabric. In addition, the polyurethane slurry can be freely colored, and the physical indexes such as color fastness, degree of sunlight, peel strength and tear strength can be randomly improved according to the demands of customers. The polyurethane slurry is free from extraneous odor, light in weight, less in possibility of hardening with water, perspiring, antibacterial and mildew-proof, and meets the environmental requirements.

The invention belongs to the technical field of ceramic matrix composite materials, and particularly relates to a preparation method of an alumina fiber reinforced high-temperature-resistant anti-scouring thermal insulation material. The preparation method comprises the following steps: S1, preparation of an aluminum oxide preform; S2, preparation of slurry of a high-temperature-resistant coating;S3, preparation of a high-temperature-resistant coating of the aluminum oxide preform; S4, preparation of a composite material blank. According to the method, the aluminum oxide preform is soaked inthe modifier, and after soaking is completed, the slurry obtained in the step S2 is soaked and/or coated and/or deposited on the modified green body, so that the high-quality high-temperature-resistant coating can be quickly, efficiently and uniformly obtained through the design; and the material which can meet the requirements of high-temperature resistance, anti-scouring, heat preservation, heatinsulation and high-temperature resistance, anti-scouring, heat preservation and insulation at the same time is prepared by matching with a subsequent process. The method is reasonable in step design, simple and controllable in process and convenient for large-scale industrial application.

The invention relates to a self-breathable bionic skin care cosmetic and a preparation method, belongs to the technical field of cosmetics and aims at solving the technical problem of providing the self-breathable bionic skin care cosmetic and the preparation method. The preparation method of the self-breathable bionic skin care cosmetic comprises the steps: evenly dispersing an acid-soluble chitosan solution with hyperbranched polylysine, polymer lipid ball and silicon dioxide aerogel which are crosslinked and spraying drying to obtain micropore micro powder; then mixing the micropore micro powder with high molecular weight protein, spermaceti wax, allantoin and the like to prepare cream. As the micropore micro powder has good even micropores and self humidifying breathability, the self-breathable bionic skin care cosmetic has good permeable, moisture permeable and regulatory functions to the skin, has better biological compatibility, has a bionic skin function, can effectively prevent micropores of a film formation layer from being plugged and can improve elasticity and a moisture preservation effect of the skin. In addition, the preparation method of the self-breathable bionic skin care cosmetic disclosed by the invention has the advantages of less steps, simple technological process, safety in operation and low cost.

The invention discloses an imitation leather fabric production method. The imitation leather fabric production method includes the following steps that first, base fabric is selected and reeled up; second, the base fabric is evenly coated with resin material; third, the resin material is solidified; fourth, extrusion and water washing are performed; fifth, coating release paper is evenly coated with prepared polyurethane slurry, wherein the polyurethane slurry contains butanone and N-methyl ethanolamine; sixth, the coating release paper is attached to the base fabric and totally dried again; seventh, the release paper is separated. The imitation leather fabric production method is compact, reasonable and capable of effectively improving production efficiency; the coating fabric formed through the polyurethane slurry is even in micropore and not prone to expansion with water; besides, free coloring can be performed, physical indexes such as color fastness, illuminance, peel strength and tear strength can be freely adjusted, and thus the produced imitation leather fabric can be more excellent in performance.

The invention discloses a coating liquid phosphatizing agent and a preparation method thereof, and belongs to the technical field of metal surface treatment. The coating liquid phosphatizing agent comprises the following components in percentage by mass: 5-15% of phosphoric acid, 5-15% of nitric acid, 8-15% of zinc oxide, 5-15% of an oxidation accelerant, 6-18% of composite additives and 39-71% ofdeionized water. The coating liquid phosphatizing agent disclosed by the invention is excellent in property, and the corrosion resistance after coating and the coating density of a coating can be effectively improved.

The invention discloses a preparation method of an ultralow-friction rubber material. The ultralow-friction rubber material comprises 6 parts by weight of rubber and 0.5-2 parts by weight of a pore-forming agent, the pore-forming agent is non-toxic water-soluble particles, and the particle size of the pore-forming agent is 140-200 [mu] m; rubber and the pore-forming agent are fully blended and then subjected to vulcanization treatment, and then the surface pore-forming agent is dissolved and removed. According to the preparation method of the ultralow-friction rubber material, uniform micropores are formed in the surface of the prepared rubber material, the friction coefficient and the wear rate are remarkably reduced, and compared with an existing rubber friction material surface treatment method, operation is simpler, and the cost is remarkably reduced.

The invention provides a preparation method of aluminum oxide ceramic foil material with penetrating nano-holes, which includes firstly attaching aluminum foil to the surface of a conductive material, making the surfaces of the materials contact, and maintaining conduction between the materials; The conductive material attached to the aluminum foil is placed as an anode in an electrochemical anodizing solution to make the aluminum foil undergo an oxidation reaction, so as to convert the aluminum foil into aluminum oxide, and form penetrating micropores in the thickness direction. After the ceramic foil is separated from the surface of the conductive material, a pure Al2O3 ceramic foil material with uniformly penetrating micropores is obtained. The aluminum oxide ceramic foil material can be directly applied to fine filtration of gas and liquid. The invention can effectively, quickly, conveniently and completely prepare Al2O3 ceramic foil material with nano-scale pore size independently, and has the advantages of simple process, convenient operation, low economic cost and high production efficiency, and is suitable for industrial mass production application and market The prospects are very broad.