105results about How to "Strong penetration resistance" patented technology

The invention discloses a dual-component aqueous polyurethane paint with scrawling resistance and pasting resistance, and a preparation method thereof. The dual-component aqueous polyurethane paint with scrawling resistance and pasting resistance is prepared by using aqueous hydroxy-containing polyacrylic resin dispersion and fatty group polyisocyanate as main film forming substances, adding organosilicon resin emulsion, deionized water, antifoaming agent, wetting agent, dispersant, pigment, dulling agent, wax emulsion and thickening agent and carrying out high speed disperse. The paint has characteristics of high crosslinking density, low surface tension, strong permeability resistance, good scratch resistance, substantial scrawling resistance and pasting resistance, excellent performances of low VOC content, high hardness, good weatherability, brushing resistance and chemical resistance, and is suitable for application fields of municipal public facility, building paint and terrace paint coating, etc.

The present invention relates to a dispersive air brick and a preparation method thereof. According to the technical scheme of the invention, 50 to 80 wt% of plate-shaped corundum is adopted as an aggregate. 12 to 32 wt% of aluminum oxide fine powders, 5 to 10 wt% of alumina micro powders and 3 to 8 wt% of a binding agent are adopted as matrix materials. According to the method, firstly, the matrix materials are uniformly mixed, and then the matrix materials and the aggregate are put into a mixer. 0.1 to 0.3 wt% of a water reducing agent and 4 to 6 wt% of water, counted relative to the sum of the aggregate and the matrix materials, are additionally added. The obtained mixture is stirred for 3 to 5 minutes, and then is cast and molded. After an obtained product is standing at the room temperature for 20 to 30 hours, the obtained product is dried for 22 to 26 hours at the temperature of 90 to 120 DEG C. then the obtained product is thermally insulated for 3 to 6 hours at the temperature of 1450 to 1650 DEG C. In this way, the dispersive air brick can be obtained. The plate-shaped corundum is in the form of equal-diameter particles, and the particle sizes of the equal-diameter particles are 2 to 5 mm. The method has the advantages of simple process, low labor intensity, high production efficiency, no pollution to the environment, and low cost. The prepared dispersive air brick is good in air permeability, strong in impurity-removing capability, excellent in thermal shock stability and good in penetration resistance performance.

The invention relates to a high-strength light fabric used in fencing clothes, which is characterized by comprising terylene and polypropylene fibers, wherein the terylene consists of lustrous terylene and matt terylene. A processing method for the high-strength light fabric used in fencing clothes comprises the steps of wiredrawing, twisting, weaving, printing and dyeing, and is characterized in that the fabric is woven in honeycomb weaves. After being developed and produced, the fabric has the advantages that the breakdown resistance of the fabric is strong because of adopting the terylene and polypropylene fibers as main raw materials, for example, the fabric with 800N has the limit breakdown of over 3000N; the fabric is light as adopting the honeycomb weave, as the fabric with 800N has the unit weight of 630g/m<2>, and the fabric with 350N has the unit weight of 400g/m<2> (with the limit breakdown of 2978N). One finished jacket after being woven is lighter 500g than a conventional jacket; furthermore, the softness and the textile of products are much better than those of conventional products.

The invention provides oily-pen-resistant waterborne woodware varnish and a preparation method thereof. The varnish comprises a component A and a component B, wherein the component A comprises, by weight, 60-80 parts of waterborne hydroxylated acrylic resin, 0.05-0.5 part of pH regulator, 0.1-0.5 part of waterborne defoaming agent, 0.1-0.5 part of waterborne wetting agent, 0.1-0.5 part of waterborne leveling agent, 1-5 parts of coalescing agents, 5-10 parts of nano additives, 5-10 parts of anti-doodling auxiliaries, 0.5-4 parts of wear-resistant auxiliaries, 0.05-2 parts of bactericide and 1-20 parts of water; the component B comprises, by weight, 15-30 parts of curing agent. The anti-doodling auxiliaries and the nano additives are added, so that the anti-doodling and anti-dirt propertiesof a coating are remarkably improved; the anti-doodling auxiliaries are preferably polydimethylsiloxane anti-doodling auxiliaries containing hydroxyl functional groups, and the anti-doodling auxiliaries contain hydroxyl and can participate in a curing reaction, so that the anti-doodling performance of paint film is further improved.

The wear-resistant modified powder paint consists of E12 epoxy resin 50-70 wt%, curing agent of substituted cyanoguanidine 3-6 wt%, modifier of tetrafluoride 1-5 wt% and stuffing of SiO2+SiC accounting for the rest amount. The paint coating of the present invention has a abrasion loss less than 80 mg/1000 g under the action of 5000 turns.

The sea water resisting modified powder paint consists of E12 epoxy resin 50-70 wt%, curing agent cyanoguanidine 3-6 wt%, modifier of superfine TiO2 powder 1-5 wt% and stuffing of CaCO3+BaSO4 accounting for the rest amount. The paint coating of the present invention can resist corrosion of saturated NaCl or KCl salt solution.

The invention provides an A60-level lightweight refractory deck composition, comprising at least one component A and component B, wherein the mass ratio of the component A to the component B is (1 to 6) to (1 to 8); the component A is neoprene latex; the component B is prepared from ordinary silicon 42.5 cement, large ceramsite, small ceramsite, large vermiculite and small vermiculite; the grain size of the large ceramsite is 2-5mm; the grain size of the small ceramsite is 0.5-2mm; the grain size of the large vermiculite is 2-4mm; the grain size of the small vermiculite is 0.2-2mm; and the component B contains the ingredients by weight ratio of 50-55% of ordinary silicon 42.5 cement, 20-25% of large ceramsite, 5-10% of small ceramsite, 14-20% of large vermiculite and 5-10% of small vermiculite. The A60-level lightweight refractory deck composition has good lightness, compressive property, fracture resistance and shock resistance, and can effectively prevent sound transmission and heat conduction; and the fire resistance can achieve A-60 level.

The invention discloses a treatment method for landfill leachate membrane treatment evaporated and concentrated liquor. The treatment method is characterized in that sulfate aluminum cement is adopted, and has high curing speed and strong permeability resistance in comparison with conventional silicate cement. Silicate cement, a heavy metal ion chelating agent and an additive are taken as curing agent main components, and can be effectively combined with pollutants such as organic substances and heavy metal in landfill leachate membrane treatment evaporated and concentrated liquor, so that thepollutants are cured in a curing body, and therefore, the harmless and stable purpose is achieved. The treatment method is simple in process, is high in practicability, is good in treatment effect, is taken as a deep treatment technology, makes up the defects of an existing landfill leachate membrane treatment evaporated and concentrated liquor treatment technology, and effectively solves the treatment problem of the landfill leachate membrane treatment evaporated and concentrated liquor.

The invention discloses a honeycomb ceramic heat storage body with low adsorption capability and a preparation method thereof. The honeycomb ceramic heat storage body with the low adsorption capability is sintered from the following components in parts by weight: 55 to 60 parts of white corundum powder, 8 to 10 parts of mullite, 10 to 15 parts of a-AL2O3 powder, 2 to 3 parts of SiO2 powder, 10 to15 parts of tricalcium phosphate, and 4 to 5 parts of high-temperature adhesive. The honeycomb ceramic heat storage body has high material compacting/low porosity, high high-temperature resistance/high chemical reaction heat, high impermeability, low adsorption capability, high desorption capability, low production cost, high energy-saving rate, low smoke emission temperature, and long service life.

The invention discloses a water-based high-temperature-resistant long-acting anticorrosive paint and a preparation method thereof. The water-based high-temperature-resistant long-acting anticorrosivepaint comprises a component A and a component B, wherein the component A is prepared from the following raw materials: film-forming substance water-based novolac epoxy resin, carbon black, an antirustpigment, an extender pigment containing sericite powder, an anti-settling agent, deionized water, an epoxy silane coupling agent and other auxiliaries; the component B is prepared from the followingraw materials: a curing agent and propylene glycol monomethyl ether; and the mass ratio of the component A to the component B is (4-6): 1. The water-based novolac epoxy resin is used as a film-formingsubstance and is matched with the sericite powder, and excellent permeation resistance is provided for the coating by virtue of a scaly structure; and the epoxy silane coupling agent is added to improve the crosslinking degree and compactness of the coating, thereby greatly enhancing the heat resistance, chemical resistance, hardness and wear resistance of the coating and overcoming the defect that the existing water-based paint can not have high temperature resistance and long-acting corrosion resistance simultaneously.

The invention relates to a treatment and construction method for a connecting part of a roof waterproof structure deformation joint and an external wall. The method at least comprises the following technological processes of steel bar embedding at one side of a roof deformation joint, measuring and paying-off, formwork erecting (side formwork at one side), wall body and cover plate steel bar binding, base layer clearing, formwork erecting (side formwork at the other side), concrete casting, formwork dismounting, base layer clearing, wall body buildingat the other side, flashing position constructing, wall body deformation joint constructing, wall body painting, JS waterproof paint brushing, roof flushing position waterproof layer constructing, waterproof filling embedding, and waterproof paint coating and brushing on the surface. By using structural design innovation on the roof deformation joint and the wall body deformation joint, under the condition of ensuring the use function (upward, downward, leftward and rightward free deformation) of the deformation joints, the seepage phenomenon occurring in the positions of the roof deformation joint and the wall body deformation joint can be avoided; the durability of the deformation joints is high; and cracking and damage cannot easily occur.

The invention provides a functional crystallization master batch, a preparation method thereof and a waterproof material and belongs to the field of inorganic materials. The functional crystallization master batch is composed of a nanoscale calcium carbonate aluminum oxide composite powder body and chelated titanate. The preparation method includes preparing and mixing calcium carbonate powders and the nanoscale calcium carbonate aluminum oxide composite powder body. The waterproof material is composed of, by weight, 6-8% of the functional crystallization master batch, 4-6% of methyl cellulose thickening agents, 2-4% of anhydrous citric acids retarders, 25-35% of finely grinding quartz sands, and the balance cements. The functional crystallization master batch has excellent crystallization performance and usage performance, the preparation method is simple, low in production cost, safe in operation and suitable for industrial production, and the waterproof material has excellent impermeability pressure, compression strength and rupture strength.

The invention relates to a plastic board for covering the inner wall of a concrete pipe, the concrete pipe that covers the plastic board and a device for processing the plastic board. The plastic board comprises a substrate and a plurality of fixing claws which are arranged on the surface of one side of the substrate. The width of the root of the fixing claws is less than that of the ends. The processing device comprises a plastic board forming device which comprises a forming roller, a compression roller, at least two pairs of annular molds, at least two stripping knives and a transport roller. The concrete pipe that is covered by the plastic board has stronger permeation resistance ability, longer service life and lower manufacturing cost. The processing device can extrude the plastics by an extruder between the forming roller and the compression roller, and the fixing claws of the board are extruded by the annular molds, and the fixing claws can separate from annular molds when the stripping knives separate the annular molds, and therefore, the processing of the plastic board is easier and the processing efficiency is higher.

The invention relates to a novel-structured glass fiber reinforced plastic chimney. A cylinder wall comprises a lining function layer, a middle structural layer and an optional external protection layer, and the lining function layer comprises a surface felt layer and a jet yarn layer from interior to exterior of the cylinder wall; the middle structural layer comprises a plurality of structural sub-layers, each structural sub-layer structurally comprises structurally comprising a single structural layer A, a single structural layer B, a single structural layer C and a single structural layer D; the single structural layer A is a jet yarn layer or a one-way cloth layer; the single structural layer B does not exist or is a hoop winding layer; the single structural layer C is a jet yarn layer or a one-way cloth layer; the single structural layer D is the hoop winding layer; when the single structural layer is the jet yarn layer, the single structural layer C is the one-way cloth layer; or when the single structural layer A is the one-way cloth layer, the single structural layer C is the jet yarn layer; the external protection layer comprises a gel-coated layer. The novel-structural glass fiber reinforced plastic chimney is novel in structure, good in axial mechanical performance and loop mechanical performance, convenient to construct, convenient for control quality, long in service life and applicable to large thermal power plants.

The invention relates to a water-borne long-acting electrostatic-conductive anticorrosive coating and a preparation method thereof. Single-walled carbon nanotubes and electrostatic-conductive mica powder are used as nano electrostatic-conductive fillers; the specific surface area of the single-walled carbon nanotubes is high; the single-walled carbon nanotubes are embedded into a material matrix to form a three-dimensional nanotube network, the structure of the material can be greatly strengthened, the color of a coating layer can be maintained, and the mechanical properties can be enhanced, so that the product has uniform electrostatic conductivity and high specific conductance, is not affected by humidity and has permanent electrostatic conductive properties. A scaly structure of the electrostatic-conductive mica powder is horizontally arrayed in the coating layer, and has good shielding property and excellent anti-penetration ability; the coating layer can isolate a corrosive mediumwell, and good anti-corrosion performance of the coating layer is achieved. The coating is superior to traditional electrostatic-conductive coatings in electrostatic conductivity and anti-corrosion performance, is safe and environmentally friendly, conforms to the green development direction, avoids the generation of toxic and harmful gases and VOCs in solvent-based coatings, is not flammable orexplosive, is simple to construct, can replace traditional solvent-based coatings and has broad application prospects.

The invention relates to a glass fiber reinforced plastic chimney with excellent mechanical properties. The chimney wall comprises an inner liner functional layer, a middle structural layer and an optional outer protection layer. The middle structural layer includes a plurality of structural sub layers; from the interior to exterior of the glass fiber reinforced plastic chimney, the structure of the structural sub layers includes a structural single layer A, a structural single layer B, a structural single layer C and a structural single layer D. The structural single layer A is a yarn injection layer or a unidirectional fabric layer; the structural single layer B is a non-directional or circumferential wrapping layer; the structural single layer C is a yarn injection layer or a unidirectional fabric layer; and the structural single layer D is a circumferential wrapping layer. When the structural single layer A is the yarn injection layer, the structural single layer C is the unidirectional fabric layer; when the structural single layer A is the unidirectional fabric layer, the structural single layer C is the yarn injection layer. The glass fiber reinforced plastic chimney has excellent axial mechanical properties and circumferential mechanical properties, construction and quality control are facilitated, service life is long, and the glass fiber reinforced plastic chimney is adaptable to large-scale power plants.

The invention relates to a preparation method of a wear-resistant corrosion-resistant coating, which comprises the following steps: (1) preparing the following raw materials in percentage by weight: 50-60% of resin, 23-40% of filler, 1-3% of leveling agent, 4-6% of curing agent, 2-3% of coupling agent and 3-5% of modifier; and (2) putting all the raw materials in the step (1) into an ultrafine powder ball mill, mixing and grinding until the particle size is 1200 meshes or above, thereby obtaining the wear-resistant and corrosion-resistant coating. According to the technical scheme, the carbonnano tubes selectively used in the coating have the characteristics of wear resistance, corrosion resistance, good stability and the like, the nano microlite has the characteristics of permeation resistance, good wear resistance and the like, and the nano sepiolite powder has the advantages of high adsorbability, high flame retardance, high temperature resistance, good wear resistance and the like; the carbon nanofibers have the advantages of wear resistance, corrosion resistance, high surface gloss and the like, and the nano ceramic powder has the advantages of wear resistance, high temperature resistance, corrosion resistance and the like.

The invention discloses a preparation method of cylindrical controlled fragments. The method includes the steps of material selection, wire drawing, die cutting, screening, nickel plating, detecting and warehousing. According to the method, a medium-carbon steel wire with the hardness of 45-55 HRC, the tensile strength of 1670-1770 MPa and the diameter of 2 mm is selected as the raw material; the cylindrical controlled fragments can deflect or turn over irregularly in the moving process under the action of gravity, air resistance and wind force and have high penetration capability on armored steel plates; when penetrating the human body, high-speed cylindrical controlled fragments can turn over continuously in the tissue of the human body under the resistance of the tissue, irregular cavities with the diameter several times or a dozen times or even dozens of times the bullet diameter are formed in the human body, and the killability of the cylindrical controlled fragments is 4-7 times that of common flaky fragments.

The invention discloses a polyfluoro-rubber chemical-reagent-resistance special anti-corrosive coating, and belongs to the technical field of special coatings. The coating belongs to a bi-component system and is prepared from, by mass, 20-40 parts of polyfluoro-rubber, 0-1 part of a dispersing agent, 0-0.5 part of a wetting agent, 0-0.5 part of a defoaming agent, 0-0.5 part of a flatting agent, 0-2 parts of a rheological auxiliary agent, 2-15 parts of a macromolecular polymer, 2-15 parts of a ceramic compound, 1-5 parts of mica powder, 3-10 parts of wearproof and acid-proof powder, 1-10 partsof barium sulfate, 20-40 parts of a curing agent and the balance solvent. According to the coating, construction technologies such as spray-coating, brush-coating and roller-coating can be adopted, apaint film is compact, full, high in flexibility and wear resistance, and resistant to various chemical solvents, and the coating can be used in an environment of 250 DEG C or below for a long term.

The invention relates to a small-thickness glass reinforced plastic chimney. The chimney shaft wall comprises a lining functional layer, a middle structural layer and an optional outer protective layer, wherein the middle structural layer comprises a plurality of structural sub-layers from the inside to the outside of the glass reinforced plastic chimney. Each structural sub-layer consists of a structural single layer A, a structural single layer B, a structural single layer C and a structural single layer D, wherein the structural single layer A is a jet yarn layer or a unidirectional cloth layer. The structural single layer B does not exist or is an annular winding layer. The structural single layer C is a jet yarn layer or a unidirectional cloth layer. The structural single layer D is an annular winding layer. In addition, when the structural single layer A is the jet yarn layer, the structural single layer C is the unidirectional cloth layer; or when the structural single layer A is the unidirectional cloth layer, the structural single layer C is the jet yarn layer, and the thickness t of the middle structural layer is larger than or equal to 8 but smaller than 18mm. The small-thickness glass reinforced plastic chimney has good axial mechanical property and annular mechanical property, facilitates construction and quality control and is long in service life and suitable for a large thermal power plant.

The invention discloses a powder coating material for metal corrosion prevention, a preparation method and an application method of the powder coating material. The powder coating material is preparedfrom the following raw materials in parts by weight: 30 to 45 parts of unsaturated polyester resin, 25 to 35 parts of bisphenol A epoxy resin, 3 to 8 parts of graphene powder, 12 to 18 parts of a curing agent, 3 to 6 parts of a leveling agent and 0.5 to 0.9 part of benzoin. The powder coating material is applied to a metal plate, a compact coating layer is formed after the powder coating materialis cured, the compactness is high, the permeation resistance is high, corrosion prevention can be conducted on metal, the service life of the metal is greatly prolonged, the adhesive property is excellent, and the impact resistance is good.

The invention provides a lamination solid-liquid two-phase solution steel plate protective armor wrapped with high-performance fiber cloth. The lamination solid-liquid two-phase solution steel plate protective armor wrapped with the high-performance fiber cloth comprises inner layer high-performance fiber cloth, steel plates, solid-liquid two-phase solution, engineering filler, edge-sealed plates, an adhesive agent and outer layer high-performance fiber cloth. Compared with adding the section thickness of a building main structure, the provided lamination solid-liquid two-phase solution steel plate protective armor wrapped with the high-performance fiber cloth has better missile-impact proofing and protecting effect, and excessive modification on the arrangement of the main structure is not required.