45results about How to "No chalking" patented technology

The invention discloses a normal temperature curing fluorocarbon resin coating. The coating comprises the following components in percentage by weight: 38 to 60 percent of chlorotrifluoroethylene-vinyl ester polymer, 5 to 10 percent of coupling agent, 1 to 6 percent of pigment, 1 to 5 percent of nanoparticles, 0.05 to 2 percent of aid, 20 to 45 percent of solvent, 5 to 15 percent of curing agent and 0.003 to 0.05 percent of drier, wherein the coupling agent is fluorosilane with -CF3 and -CF2 groups; the aid is a defoamer or a surfactant; the solvent is xylene and methyl isobutyl ketone or butyl acetate and the methyl isobutyl ketone; and the drier is dibutyltin dilaurate. By adopting a specific coating formula, the solubility of fluorocarbon resin in the solvent is improved, the added aid, pigment and the like are soluble, various components are easy to disperse in various dispersion modes, the coating is convenient to operate on site, the adhesion of the coating can reach level 0 and the coating has high scratch resistance and high acid, alkali and salt resistance.

The invention relates to an asphalt rotary kiln, in particular to a stable kiln liner of an asphalt rotary kiln. The stable kiln liner is divided into a part from a kiln front cover to a transition section and a part from the transition section to a kiln end. A liner of the part from the kiln front cover to the transition section adopts a double-layer precast block brick mode, a heat preservation layer is made of light pouring materials, and a working layer is made of ultra-low cement combined with high-purity corundum-mullite pouring materials. The kiln liner adopts four fixed precast blocks which are distributed at 360 degrees, and a precast block brick is built between every two fixed precast blocks in a welding mode. The part from the transition section to the kiln end adopts a mode combining double-layer precast block bricks and pouring materials, a heat preservation layer is made of light pouring materials, a working layer is made of ultra-low cement combined with high-purity corundum-mullite pouring materials, and the kiln liner adopts a clip flower mode with nine precast blocks and nine pouring materials. By means of the kiln liner, structural stability of brickworks of the kiln liner is ensured, pulverization of the heat preservation layers in the production process is avoided, and accordingly, service life of the kiln liner is prolonged.

The invention relates to diatom sand beads and high-strength, environment-friendly and thermal-insulation mortar containing the same. The diatom sand beads are prepared from second-class and third-class diatomite used as a raw material through four steps including drying, purification, granulation and roasting. The diatom sand beads are light in weight, environment-friendly and high in adsorbability and have the advantages of damp prevention, fire prevention, purification, thermal insulation and the like. The thermal-insulation mortar is prepared from 50%-60% of the diatom sand beads, 10%-20% of diatom powder, 5%-8% of environment-friendly latex powder, 10%-20% of cement, 1% of wood fiber, 2% of cellulose, 0-10% of glass beads and water. The thermal-insulation mortar can replace cement mortar to be directly applied to building wall brick surfaces, when the thermal-insulation mortar is used for an exterior wall, other decoration processes can be performed directly on the thermal-insulation mortar, and when the thermal-insulation mortar is used for an interior wall, the thermal-insulation mortar can well adsorb indoor formaldehyde produced during decoration, is environment-friendly and can purify indoor air; the thermal-insulation mortar has the advantages of being light in weight, low in heat conductivity coefficient, environment-friendly, thermal-insulation, high-temperature-resistant, fireproof, low-temperature-resistant, noise-reducing, damp-proof, mildew-proof, anti-condensation, free of radioactive substances, stable in physical and chemical property and the like.

The invention relates to a nanometer-reflection thermal insulation coating and a preparation method thereof. The nanometer-reflection thermal insulation coating is formed by mixing the following materials in percentage by weight: 15-25% of Surfa Pore thermal insulation coating additive, 30-60% of pure acrylic emulsion, 5-15% of water, 3-8% of stuffing, 1.20% of thickener, 1.03% of wetting agent, 0.84% of defoaming agent, 0.65% of dispersing agent and 0.82% of coalescing agent. The nanometer-reflection thermal insulation coating has the advantages of admirable application property, excellent thermal radiation reflection property, relatively low coefficient of heat conductivity, super stain resistance, self-cleaning property and crack resistance, admirable weather resistance and color retention, excellent scrub resistance and the like.

The invention provides a hydrated alumina molded matter, and a preparation method and an application thereof. The hydrated alumina molded matter is prepared by molding raw materials comprising at least one hydrated alumina, at least one Y molecular sieve and at least one cellulose ether. The water absorption rate of the hydrated alumina molded matter is 0.4-1.5, the delta value is 10% or less, and the Q1 is 12 N/mm or more. The invention also provides an alumina molded matter and an application thereof, wherein the alumina molded matter is prepared by calcination of the hydrated alumina molded matter. The molded matters provided by the invention have high strength and good strength retention rate. According to the method of the invention, a peptizing agent is not used during the molding process.

The invention relates to an energy saving heat preserving tile. The semis of the energy saving heat preserving tile comprises the following raw materials: 30 to 40 percent of kaolin, 15 to 25 percent of calcite powder, 8 to 15 percent of talcum powder, 10 to 20 percent of hollow microspheres, 5 to 15 percent of titanium white, 10 to 15 percent of fluoro-silicon resin, and 10 to 15 percent of water. The thickness of the tile is 8 to 12 mm. The tile is also added with sodium nitrate accounting for 0.5 to 0.7 percent. The energy saving heat preserving tile provided by the invention can endure long time exposing to the weather of complex environment without pulverization, delaminating and changing of color, is resistant to abrasion and water, and has excellent performance of heat insulating, temperature maintaining and energy saving.

The invention discloses a novel composite refractory mica tape. The mica tape comprises a synthetic mica paper layer, high silica glass fiber meshes, ceramization silicon rubber particles and refractory adhesive layers, the ceramization silicon rubber particles are pasted through each refractory adhesive layer and evenly dispersed on each high silica glass fiber mesh to form a composite layer, andthe synthetic mica paper layer is pasted between two composite layers through the refractory adhesive layers. The mica tape has good fire resistance, and meets the British refractory cable standard BS, especially no pulverization appears at conditions of a temperature of 800 DEG C, fire-resistant and insulation effects are still reliable, the performance is better than a traditional mica tape, and thus the mica tape meets line integrity test requirements with a flame temperature of 800-1000 DEG C and a duration time of 120 min.

The invention discloses a PE (poly ethylene) film for a wire and a cable and a preparation method of the PE film. The PE film is prepared from the following concrete materials in parts: 15-25 parts ofcrosslinked polyethylene, 8-16 parts of low-density polyethylene, 6-14 parts of medium-density polyethylene, 7-14 parts of polyisobutene, 4-8 parts of modified polyester fiber, 0.5-1 part of aluminumoxide, 0.8-3 parts of cellulose acetate, 2-6 parts of silica gel, 1-5 parts of dimethyl formamide, 1-5 parts of hydroxypropyl methyl cellulose, 2-6 parts of polyethylene terephthalate, 1.2-2.5 partsof nanoscale titanium oxide, 0.5-1.4 parts of nanoscale aluminum oxide, 0.6-1.5 parts of tetrabutyl titanate, 1.4-3 parts of methylphenol, 0.6-1.8 parts of magnesium stearate, 0.8-1.5 parts of an antioxidant and 1.5-3 parts of a plasticizer. The PE film prepared by the invention does not become aged, allochroic, cracked, brittle or pulverized under the action of atmosphere, sunlight and oxygen, the PE film has a relatively stable mechanical property and strong chemical stability simultaneously, and the PE film is simple in processing technology and low in raw material cost, thereby being suitable for production in quantity.

The invention discloses a radiation reactant exterior wall paint in the field of exterior wall paint producing technology. It is formed by toluene, 120# petrol, alkyd resin, VAE, DBP, chloroprene rubber and painting; it has the following preparing steps: adding the toluene and the 120# petrol into the autoclave sterilizer to mix them, adding the alkyd resin, VAE, DBP and chloroprene rubber and using high speed cutting emulsion machine to do cutting emulsion, adding the painting after 1-2h and emulsion erasing until the material purity achieves to below 60mu m, then filter charging the product.

The invention provides a waterborne seam beautifying agent. The agent is composed of an A component and a component B according to the mass ratio of 1:1, the A component comprises preparation raw materials of 78-92 parts of bisphenol A type epoxy resin, 8-22 parts of polyether monoamine and 2-8 parts of hydrophilic gaseous phase silicon dioxide; the B component comprises preparation raw materialsof 20-25 parts of isophoronediamine, 18-28 parts of the bisphenol A type epoxy resin, 6-12 parts of emulsifiers and 4-8 parts of the hydrophilic gaseous phase silicon dioxide. The invention relates tothe technical field of environmental materials, the waterborne seam beautifying agent has the advantages that the formula is simple, the durability is high, a water erasable function is achieved to help to perform cleaning processing after construction, the agent has no toxin and harm after curing is conducted, there exists no VOC emission, the surface hardness is high, the scratching resisting performance is high, the agent has excellent flexibility and bonding performance, powdering, mildewing and the like are prevented, and the appearance is good.

The invention relates to a production method of potassium sulfate fertilizer granules. The production method comprises the following steps: crushing potassium sulfate and iron oxide red, mixing potassium sulfate and iron oxide red, preparing a binder, and performing granulation. The potassium sulfate granulated fertilizer product produced by the method is uniform in particle size, round and tidy in particles and smooth in surface, and the particle strength reaches the national fertilizer requirement standard. The potassium sulfate fertilizer particles cannot be pulverized in the transportationand application processes, and can be used as a raw material of a compound fertilizer.

The invention discloses a green coating for buildings. The green coating is characterized by comprising the following substances in parts by weight: 25-29 parts of furfuryl alcohol resin, 18-23 parts of isocyanate, 1-9 parts of fillers, 6-9 parts of clamshell powder, 3-5 parts of scapharca subcrenata shell powder, 2-6 parts of mactra veneriformis shell powder, 1-3 parts of perlite, 12-15 parts of cedrus saw dust, 13-16 parts of silver birch saw dust, 16-18 parts of oak saw dust, 3-4 parts of prunus padus saw dust, 9-14 parts of organosilicone modified epoxy resin, 10-15 parts of mixed solvent and 1-9 parts of toughening agent. The green coating has the characteristics of high wet-dry curing speed, high bonding strength, waterproof and moistureproof properties and the like. After the green coating is used, the phenomena such as dusting, cracking, hollowing, shedding, frosting and the like can not appear on walls.

The invention provides environment-friendly titanium-based polymer alloy anti-corrosion daub. The daub comprises solvent-free titanium-based polymer alloy anti-corrosion daub and water-soluble titanium-based polymer alloy anti-corrosion daub, belonging to the technical field of novel anti-corrosion materials. The environment-friendly titanium-based polymer alloy anti-corrosion daub consists of a titanium-based polymer alloy copolymer, an auxiliary film-forming matter, an anti-corrosion and wear-resistant filler, a chemical additive, a reactive diluent or purified water and an independent curing agent, and has the characteristics of strong adhesive force, temperature change resistance, wear resistance, corrosion resistance, no pulverization, no cracking and no shedding; construction is easy and convenient, no toxicity or odor exists, flammable and explosive risks do not exist, and safety and environment friendliness are achieved; compared with glass fiber reinforced plastics, layer-by-layer cloth sticking is not needed for the daub; and compared with a vitrified brick, seamless connection and overall protection are achieved, and particularly, acid corrosion in a high-temperature-resistant environment is achieved, and the economic life exceeds 5 years.

The invention provides a polysiloxane heat-reflective topcoat and a preparation method thereof. The polysiloxane heat-reflective topcoat comprises a component A and a component B, and the weight ratio of the component A to the component B is 8:(1-1.5); the component A comprises the following ingredients by weight: 30-40 parts of polysiloxane resin, 3-8 parts of a thermal insulation material, 0.6-0.9 part of a stabilizer, 25-48 parts of a mixed solvent, 0.2-0.5 part of a dispersant, 17-33 parts of an anti-aging pigment and an anti-aging filler, and 0.2-0.5 part of an anti-settling agent; the component B comprises the following ingredients by weight: 60-70 parts of a curing agent and 18-35 parts of a curing agent solvent. The polysiloxane heat-reflective topcoat is high in ageing-resistant performance, weather resistance and chemical resistance, has a heat reflection function, can be suitable for various construction methods, and is good in recoatability and excellent in cost performance; besides, external corrosion protection of the surface of coated steel is achieved, a lot of coating expenditures can be reduced, and the service life is prolonged.

The invention relates to a ceramic fiber sound absorption component. The ceramic fiber sound absorption component comprises a micro-perforated plate, a ceramic fiber plate, a back plate and side plates, the micro-perforated plate, the ceramic fiber plate and the back plate are sequentially arranged in the horizontal direction and are the same in section size, the micro-perforated plate is tightlyattached to the ceramic fiber plate, the side plates are arranged between the ceramic fiber plate and the back plate, and the ceramic fiber plate and the back plate are tightly attached to the side plates. The side plates are of a frame structure, so that a closed cavity is formed between the ceramic fiber plate and the back plate; the micro-perforated plate, the ceramic fiber plate, the back plate and the side plates can be fixedly connected through angle steel to form an integral sound absorption component. The sound absorption component has excellent fireproof performance and acoustic performance, the flame retardance can reach the A level, the 100 Hz sound absorption coefficient can reach 0.3 or above, suppression of different noise frequency bands can be achieved through adjustment ofmaterial parameters and structural parameters, and the sound absorption component adapts to the frequency spectrum characteristics of different noise sources.

The invention discloses a palygorskite powder-added wood-plastic door and window material and a preparation method thereof, and relates to the technical field of door and window materials. The wood-plastic door and window material comprises the following raw materials: a PVC waste material, a PE waste material, fly ash, palygorskite powder, chabazite powder, diatomite, porous SiO2, coconut charcoal fiber, broussonetia papyrifera wood chip powder, borax, calcium lignosulfonate, low-molecular weight polyethylene wax, sucrose fatty acid ester, a curing agent, a foaming agent, a foam stabilizing agent and a coupling agent. The preparation method comprises the following steps: mixing and extruding the raw materials and the like to obtain the wood-plastic door and window material. The wood-plastic door and window material has excellent comprehensive performance, not only can achieve the purposes of noise reduction and energy saving relatively well, but also can effectively purify air and shield electromagnetic waves, so that the wood-plastic door and window material improves the quality of indoor working and living environments, and is durable, practical and wide in application field.

The invention provides an iron-containing hydrated alumina molded matter, and a preparation method and an application thereof. The iron-containing hydrated alumina molded matter is prepared from raw materials comprising at least one hydrated alumina, at least one iron-containing compound and at least one cellulose ether. The water absorption rate of the iron-containing hydrated alumina molded matter is 0.4-1.5, the delta value is 10% or less, and the Q1 is 12 N/mm or more. The invention also provides an iron-containing alumina molded matter prepared by calcination of the iron-containing hydrated alumina molded matter. The invention also provides an application of the molded matters as a drying agent or as a carrier of a supported catalyst. The iron-containing hydrated alumina molded matter contains no peptizing agent, has good strength retention rate, and cannot or basically cannot generate phenomena of dissolving, powdering or pore collapsing even being immersed in an impregnating solution for a long time. The method of the invention does not adopt the peptizing agent.

The invention discloses a roasting inserts used in roasting process of carbon elements for aluminium, Including ecorundum brown corundum and/or white corundum of more than 50% in mass percentage. The invention provided roasting inserts has high coefficient of heat conduction, Which can reducing time of heat conducting from a fire channel to the carbon elements producing area, Improving heat efficiency, Saving application amount of roasting raw material, Shorting cooling time of roasting finished product; And low burning loss rate, And cases of bonding together, adsorbing onto surface of the carbon elements are not easily appeared.

The invention discloses an oil-resistant anti-freeze-thawing fireproof door core board and relates to the technical field of fireproof building material. The door core board includes: niobium/yttriumtailing powder, phosphogypsum powder, pyrophyllite powder, livistona chinensis leaf fibers, volcanic ash Portland cement, maleic anhydride grafted polypropylene, ZK-9 rubber powder, a dispersant FT-78, a compound coupling agent, a compound foaming agent, and a compound water repellent. The fireproof door core board is significantly improved in mechanical strength, fireproof and waterproof effect,heat resistant and anti-freeze performance, and oil resistance, is better in overall performance and applicability, and is guaranteed in service life better.