470results about How to "Suitable for continuous production" patented technology

The invention discloses a sulfydryl/cyano acrylic ester UV curable adhesive composition, which comprises: 5 to 60 percent of sulfydryl compound which is selected from a sulfydryl alkyl acid ester and alkyl hydrosulfide; 5 to 60 percent of alpha-cyanoacrylate of a formula below; 0 to 60 percent of a prepolymer selected from polyester acrylate prepolymers, epoxy acrylate prepolymers and urethane acrylate prepolymers; 0 to 50 percent of active monomer which is selected from acrylic esters having a mono-functional group, double functional groups and multiple functional groups, allyl compounds and ethenyl compounds; 1 to 10 percent of photoinitiator; and 0 to 10 percent of assistant. The UV curable adhesive composition has a quick curing capability, high adhesive strength and low internal stress; and the obtained cured layer is flexible and can be widely to bond metal, metal oxides, plastics, rubber, glass, polyester and other substrate materials.

The invention discloses a corrosion-resistant hygroscopic coat and a preparation method thereof. The coat comprises an upper layer and a lower layer, wherein the lower layer is a corrosion-resistant ground coat, and the upper layer is a hygroscopic surface coat. The preparation method of the coat comprises the steps of: (1) coating water-based corrosion-resistant ground paint A on a base material, and drying the paint A to form a corrosion-resistant ground coat with the thickness being 0.1-5.0g/m<2>; and (2) cooling the corrosion-resistant ground coat, coating water-based corrosion-resistant ground paint B on the corrosion-resistant base coat, and drying to form a hygroscopic surface coat with the thickness being 0.5-100g/m<2> so as to obtain a corrosion-resistant hygroscopic coat on the base material. The invention is simple in preparation process, suitable for continuous production, high in production efficiency, and environment-friendly, so that the good binding force is formed between the formed coats and the base material and among the coats, and obtained material is good in hygroscopicity, corrosion resistance and heat transfer, attractive in appearance, stable in performance, and suitable for the preparation of a rotating wheel of a dehumidifier.

The present invention discloses a self-compacting concrete for CRTS III plate-type ballastless track filling layer. The concrete is prepared from the following raw materials in parts by weight: 270-350 parts of cement, 0-130 parts of coal fly ash, 0-120 parts of mineral powder, 20-50 parts of an expanding agent, 790-900 parts of fine aggregate, 750-900 parts of continuous gradation coarse aggregate, 20-40 parts specific viscosity modified materials, 5.5-8.5 parts of a specific sustained release controllable polycarboxylic acid water reducing agent and 165-180 parts of water. According to the invention, the specific viscosity modified materials and specific sustained release controllable polycarboxylic acid water reducing agent are used in combination to prepare the specific self-compacting concrete for filling layer with good flowability, strong volume stability, low sensitivity for water consumption, small thixotropic time change, low shrinkage and good longevity, thereby reducing theconstruction difficulty of the CRTS III plate-type filling layer and prolonging the sevice life of the ballastless track structure.

The invention relates to an antistatic material, a self-cleaning light diffusion plate prepared therefrom, and a preparation method of the self-cleaning light diffusion plate. The antistatic material comprises a matrix resin, a light diffusing agent, an antistatic agent, an antioxidant, a light stabilizer and a dispersing agent; the antistatic material has the resistivity up to 107 to 1011 and is remarkable in antistatic performance; the light diffusion plate prepared from such an antistatic material has high light transmission performance and high antistatic self-cleaning performance, effectively improves the light transmission performance and has long-term stability; in addition, raw materials are easy to obtain, the preparation cost is low, and the light diffusion plate is suitable for being applied to related fields of products requiring antistatic prevention and improvement of self-cleaning performance. The preparation method of the self-cleaning light diffusion plate, provided by the invention, is optimal in process, simple in operation, suitable for continuous production and manufacturing, low in economic cost, and suitable for popularization and application.

The invention relates to a double-sided asymmetrical-structure flat support membrane and a preparation method and application thereof, belonging to the field of a membrane separation technology and a new material. The preparation method of the double-sided asymmetrical-structure flat support membrane comprises the following steps: setting a supporting body along a direction in parallel to the gravity direction, enabling the two surfaces of the supporting body to be both in contact with a casting solution, and treating the supporting body contacting the casting solution in a gel bath, wherein the casting solution comprises the following compositions in percentage by mass: 10%-30% of polymers, 3%-20% of additives, and the balance of organic solvents, and the viscosity of the casting solution is 2000-102000mPa.s. The double-sided asymmetrical-structure flat support membrane has the properties of being high in mechanical strength, uniform in compact porosity structure, good in solvent resistance, acid and base resistance and pollution resistance, easy to clean, and the like, and is applicable to the fine separation fields of nano-filtration, reverse osmosis, gas separation and the like, and to treatment of systems containing solvents, strong acid and base solutions and sewage.

The invention relates to a liquid optical adhesive which can be cured through ultraviolet light and is capable of achieving fixed adhesion between glass and touch control sensing screens in the process that a capacitance type touch screen is manufactured, and a preparation method of the liquid optical adhesive. The liquid optical adhesive is prepared from the following raw materials in percentage by weight: 35-48% of a resin oligomer, 50-63% of a reactive diluent, 0.5-1.3% of a photosensitizer, 0.8-1.6% of a photosensitive prompter and 0.4-1.4% of a cross-linking tackifier. The resin oligomer can be prepared by mixing and dissolving urethane acrylate or epoxy acrylate or a mixture of the two acrylic esters, by defoaming in vacuum and by filtering. The resin oligomer has the advantages of sufficient solidification in ultraviolet light, high production efficiency, high adhesion strength, high light permeability, small solidification shrinkage, yellowing resistance, simple manufacturing process, environmental friendliness and the like.

The invention discloses a method for preparing a modified cellulose fire-retardant fiber through reaction extrusion, and the method comprises the following steps of: 1. preparing a fire retardant, cellulose, a solvent and an acid-binding agent into a mixture according to a certain mass ratio, wherein the fire retardant is a novel phosphorus-based fire retardant, the cellulose is one of wood pulp, cotton pulp or bamboo pulp, the solvent is ion liquid, the acid-binding agent is potassium carbonate, the proportion is as follows: the mass ratio of the acid-binding agent to the fire retardant is 0.1-0.5:1, the mass ratio of the fire retardant to the cellulose is 0.5-2:1, and the mass ratio of the cellulose to the solvent is 10-25:90-75; 2. feeding the mixture into a double-screw extruder, and synchronously carrying out dissolution, reaction and extrusion of the cellulose through a reaction extrusion method to obtain the freshly formed filament of modified cellulose; and 3. stretching, washing, thermoforming and curling the freshly formed filament to prepare the modified cellulose fire-retardant fiber. The modified cellulose fire-retardant fiber obtained through the method disclosed by the invention has the advantages of no halogen, environmental friendliness without pollution and outstanding flame-retardant effect.

Membrane electrode is composed of secondary unit and main unit possessing function of high temperature and molding moisture. Secondary unit is a gaseous diffusion layer, and the main unit is prepared by binding gaseous diffusion layer, catalyst layer, and inorganic Nano particles to proton exchange layer. The preparation method includes following steps: coating pulp of catalyst on gaseous diffusion layer to prepare catalyst layer; casting inorganic Nano particles and resin solution of proton exchange to prepare inorganic Nano particles layer and proton exchange layer; then coating pulp of catalyst again to prepare catalyst layer. Membrane electrode is obtained by cold contact between main unit and secondary unit, or hot pressing the two units. Features are: suitable to continuous production, controllable thickness of proton exchange layer, high binding intensity between layers, low contact resistance, operatable under high temperature.

The invention provides a method for manufacturing a conductive pattern on a flexible substrate and protective printing oil thereof. The method comprises the following steps: providing the flexible substrate with a conductive layer; exposing part of the conductive layer covered by the protective printing oil by screen printing; etching and removing the exposed part of the conductive layer by using the protective printing oil as a mask; and removing the protective printing oil and remaining the conductive layer not etched to form the conductive pattern with the minimum line width not less than 150 microns. The invention also provides the protective printing oil used in the technology.

The invention discloses a method for preparing an active metal based alloy, which belongs to the field of non-ferrous metallurgy and comprises the following steps: adopting a molten salt electrolytic codeposition method; selecting an alloy using a relatively active metal as a matrix; using chloride and oxide of alloying elements as raw materials; electrolyzing the raw materials in an alkali metal molten salt system; and controlling the electrolysis temperature to be between 400 and 1,200 DEG C to melt the materials. A mode of adding the raw materials continuously is adopted so that the proportion of each alloying element of the added raw materials accords with that of the designed alloy components, and the faraday electric quantity of the added raw materials in corresponding time interval accords with the electrolysis electric quantity simultaneously. The alloy obtained through electrolyzing can be taken out at any time and is consistent with the design components. The process is simple, convenient and practicable, and is suitable for the development of continuous production.

The invention provides a dry garment leather base and a preparation process thereof. The preparation process includes the steps: 1) base cloth treatment: completely soaking base cloth in mixed solution of soluble calcium salt and leather softeners, mangling the base cloth and then ironing and drying the base cloth by an ironing roller; 2) coating the base cloth with 200-500g/m<2> of garment leather base foaming slurry by a scraping method; 3) drying the base cloth in a drying oven; 4) base rolling: cooling and rolling the base cloth by a cooling roller to prepare the dry garment leather base. The prepared dry garment leather base has good moisture and air permeability, is quite soft in hand feeling and good in rebound resilience and wear resistance, and can meet higher performance requirements and environmental protection standards.

The invention discloses a method and apparatus for continuous production of a flexible micro-nano metal network transparent conductive film. The method comprises the steps of: continuously conveying a flexible substrate to undergo pre-cleaning, air drying, atmospheric pressure plasma cleaning, cracking liquid coating and heating in order, thus forming a craquelure template on the flexible substrate; placing the flexible substrate in a vacuum chamber and performing vacuum pumping on the vacuum chamber; subjecting the flexible substrate to secondary plasma cleaning, then coating a compact metal film, and filling the craquelures on the craquelure template with a metal film material in the process so as to obtain a flexible micro-nano metal network transparent conductive film semi-finished product; releasing vacuum, taking out the semi-finished product from the vacuum chamber, and removing the craquelure template from the flexible substrate, thus obtaining the product. The method and apparatus provided by the invention realize continuous and large-area production of the flexible micro-nano metal network transparent conductive film. The film coating mode is suitable for industrial automatic continuous magnetron sputtering production lines, can greatly shorten the production cycle, and substantially improves the productivity.

The invention discloses an ultraviolet curing adhesive, in particular an ultraviolet curing adhesive for bonding silicon rubber with plastics and in especial relates to an ultraviolet curing adhesive for bonding a silicon rubber substrate for mobile phone keys with plastic keycaps. The ultraviolet curing adhesive comprises the following raw materials in parts by weight of a low polymer, an activated monomer, a photoinitiator and an additive and has the characteristics of quick curing, convenient operation, high production efficiency and stable and reliable bonding property in high-temperature and high-humidity environment.

The invention discloses a preparation method of an ultralight and high-strength GMT composite board. According to the preparation method of the ultralight and high-strength GMT composite board, microballoon foaming agent is introduced into a blend fiber composite mat made of thermoplastic compound fiber and reinforcing fiber through a dusting process and then hot-pressed through continuous compounding equipment into the ultralight and high-strength GMT composite board for automobile interior and exterior trimming, in which the reinforcing fiber serves as a reinforcing body, the thermoplastic compound fiber serves as a bonding matrix, and the microballoon foaming agent serves as filling modifier; the microballoon foaming agent is uniformly dispersed inside the blend fiber composite mat through the dusting process, which is simple, flexible in operation, applicable to continuous production and meanwhile has the advantage of low cost, so that the manufacturing cost can be reduced, preparation of high-price foaming solution can be saved and small environmental pollution can be achieved.

The invention discloses a method for preparing 5-hydroxymethylfurfural by taking cellulose as a raw material, which comprises the steps of: pretreating a biomass material rich in the cellulose by utilizing acid or alkali, neutralizing the biomass material, filtering to remove hemicellulose and lignin, washing obtained cellulose filter residue with water, and drying the cellulose filter residue; mixing the cellulose filter residue or pure cellulose with the water, loading the mixture into a high-pressure reactor, sealing the high-pressure reactor, and injecting liquid carbon dioxide into the reactor for reaction; and separating supercritical carbon dioxide dissolved with the 5-hydroxymethylfurfural through a separator during the reaction, discharging the 5-hydroxymethylfurfural from the bottom of the separator, and obtaining a 5-hydroxymethylfurfural product through drying, dehydration and crystallization. The method has the advantages of high selectivity, suitable continuous production, high product content, green and environment-friendly process, and easy industrialized production.

The invention relates to a preparation method of cellulose acetate fiber, in particular relates to a method for preparing cellulose acetate fiber after the cellulose acetate fiber is plasticized and modified by taking ionic liquid as a plasticizer. The method comprises the following steps of (1) evenly mixing and extruding the cellulose acetate fiber and the ionic liquid; (2) conducting vacuum drying on spinning materials; (3) conducting melt spinning: spinning the spinning materials through a metering pump and a spin sprayed plate, stretching through a hot roll, extracting liquor and washing; and (4) conducting oiling, drying and winding procedures to obtain cellulose acetate fiber with fiber breakage strength of 2.2-6cN/dtex. By adopting the preparation method of cellulose acetate fiber, the problems that the fiber mechanical property is poor, the breakage strength is low, and due to seeping or volatilization of the plasticizer, high fragility of cellulose acetate fiber grafted copolymer and difficulty of processing in the process of plasticizing and melt spinning cellulose acetate fiber, the fiber fineness is larger and the strength is low, and the like in the dry spinning process of cellulose acetate fiber in the prior art can be solved.

The invention relates to a reinforcement method of aluminosilicate glass, which comprises the following steps: preheating aluminosilicate glass to 500-600 DEG C, wherein the aluminosilicate glass contains silicon dioxide, aluminum oxide and alkali oxide, and the alkali oxide is selected from at least one of sodium oxide and potassium oxide; coating a reinforcement treating agent on the surface of the aluminosilicate glass, wherein the reinforcement treating agent contains molten salts, the molten salts comprise 70-100% of lithium salt and 0-30% of sodium salts, the lithium salt is a mixture of at least one of lithium nitrate and lithium sulfate with lithium chloride or lithium chloride, and the sodium salt is selected from at least one of sodium chloride, sodium nitrate and sodium sulfate; and carrying out ion exchange on the reinforcement treating agent and aluminosilicate glass at 650-825 DEG C for 3-15 minutes to form a crystallized layer. The reinforcement method of aluminosilicate glass can enhance the strength of the reinforced glass, and has the advantage of short time consumption.

The method for preprocessing Asiatic wormwood to preserve the color in combination with quick-freezing and unfreezing for keeping quality belongs to the technical field of fruit-vegetable food storage and processing. The process of the method is as follows: Asiatic wormwood with tender leaves and stalks is chosen, washed and then added with compound enzyme inhibitor, and by regulating the components, content and material-to-solution ratio of the enzyme inhibitor, the activity of polyphenol oxidase in the Asiatic wormwood is inhibited; the Asiatic wormwood is then blanched in boiled water, thepH value of the solution is regulated, the blanching time is adjusted, and while substances with bed flavor, such as absinthin, are completely removed, the loss of the Asiatic wormwood pigment is reduced; after cooling, metal ion color-preserving processing is carried out, and the dosage of metal ions and the pH value of color preservative are determined; after being sufficiently blanched, the Asiatic wormwood is pulped and filtered, vacuum packages are adopted for precooling and medium-frequency ultrasonic quick-freezing, and the Asiatic wormwood is refrigerated under the condition of negative 18 DEG C, and is ultrasonically unfrozen when being applied later. High-quality Asiatic wormwood product is produced by the method, the method is economic and practical, the cost investment is low,the process is simple and easy to implement, and the method can provide technical support for the industrialized production of Asiatic wormwood.

The invention discloses a preparation method of PbSxSe1-x ternary nanocrystal. The method disclosed by the invention comprises the following steps of: mixing selenium powder and sulfur powder according to a certain proportion, slowly adding alkylamine which has long chain and has boiling point more than 180 DEG C, sufficiently stirring, heating (the selenium powder and the sulfur powder) amine mixed liquor into 180-260 DEG C, forming into settled solution at constant temperature, and adding the alkylamine which is dissolved with lead chloride and has the long chain and the boiling point more than 180 DEG C, so that a system is naturally cooled into room temperature after being sufficiently reacted, adding 10mL of chloroform into the system, and adding ethanol of which the volume is twice as high as the volume of the reaction solution into the reaction system, so that PbSxSe1-x ternary nanocrystal particle precipitate is separated out, therefore, the PbSxSe1-x ternary nanocrystal particle can be obtained.

The invention provides a method for preparing silicon dioxide aerogel. The method comprises the following steps of: preparing silicon dioxide sol by solid-solid reaction, preparing silicon dioxide gel, replacing a solution, performing surface modification treatment and drying under normal pressure. According to the method, the silicon dioxide aerogel which is few in impurities, high in purity and narrow in particle size distribution is prepared by taking superfine mineral powder of silicon micro powder, micro silicon powder, kieselguhr, vermiculite powder, sepiolite, a perlite filter aid and the like which are high in content of silicon dioxide, readily available, low in cost and light in mass as a raw material; and according to the preparation method, the production cost is low, and a production process is simple.