45results about How to "Improve temperature resistance performance" patented technology

The invention discloses an abrasion-resistant recycled asphalt concrete and a preparation process thereof, relates to the technical field of asphalt concrete processing, and solves the problem that asphalt concrete pavement is prone to ageing due to frequent temperature changes and is prone to large abrasion during use. The abrasion-resistant recycled asphalt concrete comprises the following components in parts by weight: 75 to 80 parts of new aggregate, 5 to 8 parts of SBS modified asphalt, 0.5 to 0.7 part of mineral powder, 20 to 35 parts of a recycled asphalt mix old material, 0.2 to 0.4 part of a regenerating agent, 6 to 10 parts of steel slag, 0.4 to 0.8 part of hydrated lime powder, 1.8 to 2.6 parts of fiber filler, 0.5 to 1.5 part of abrasion-resistant filler, 0.4 to 0.8 part of carbon black, 4.5 to 7.5 parts of sericite particles. The abrasion-resistant recycled asphalt concrete in the invention has good stability in the use process, is not easy to age due to intermittent friction heat generated between the abrasion-resistant recycled asphalt concrete and a wheel, and is not easy to greatly wear.

The invention discloses an anti-corrosion coating, belonging to the technical field of coatings. The anti-corrosion coating solves the problems of poor corrosion-resistant effect and short corrosion-resistant life of the traditional coating. The anti-corrosion coating comprises the following raw materials in percentage by weight: 25%-40% of epoxy resin, 25%-40% of modified paint phenolphthalein resin, 5%-10% of titanium nanoparticles, 10%-15% of pigment fillers, 10%-15% of solidifying agents and 15%-20% of solvents. According to the anti-corrosion coating, the solidifying agents are capsule solidifying agents which take ethylene diamine as a core material and polymethyl methacrylate as a wall material and overcome the defects of the traditional epoxy resin solidifying agent, so that the temperature change resistance of the coating can be effectively enhanced; talcum powder and graphite can not only be taken as the components of the pigment fillers, but also have flame-retardant effects. The anti-corrosion coating disclosed by the invention has the advantages of resistance to the corrosion of liquid mediums, such as acid, alkali, salt, organic solvents, oil and the like as well as resistance to boiling water, can be used for a long time in an environment at 220 DEG C, keeps the characteristic of ultra durability of natural raw lacquer, and has no anaphylactic reaction on human bodies.

The invention discloses a making method of single-painting typed copper-free layer glass back paint, which comprises the following parts: 7.0-8.0wt% metal oxide, 9.0-11.0wt% ultra-fine talcum powder, 15.0-37.0wt % ultra-fine barium sulfate, 20.0-30.0wt% short-oil alkide resin, 3.0-10.0wt% coloring dye, 0.05- 0.15wt% anti-crust agent, 0.01-0.08wt% drier, 0-3.5wt% glossing agent and organic solvent.

The invention discloses a production process of a double-sided film-coated color steel plate for a building. The method comprises the following steps: heating the front surface and the back surface ofa substrate coil material through a drying oven, with adhesive layers being formed on the front and back surfaces of the substrate coil material after the substrate coil material passes through the drying oven; coating the front surface of the treated substrate coil material with front film through an upper heat-conducting film-coating steel roller and coating the back surface of the substrate with PET film through a lower film-coating rubber roller, with the upper heat-conducting film-coating steel roller being provided with an oil path heating system inside to allow the surface temperatureof the steel roller to be 90-100 DEG C; and after the double-sided film coating, immediately spraying cold water for a cooling purpose; after spraying, performing extrusion to remove water with a wringing roller, and drying water points on the front surface and the back surface through hot air blowing, with the temperature of the cooled substrate being 25-40 DEG C, and therefore, color film layersoutside the substrate are formed, and PE protective film is attached to the color film layers at room temperature. The aging resistance, damp-heat resistance, acid resistance, alkali resistance and temperature difference resistance of the steel plate provided by the invention are obviously improved.

The invention discloses a modified lanthanum hexaboride heat-insulating property enhanced exterior wall acrylic high-elasticity waterproof coating. The exterior wall acrylic high-elasticity waterproof coating is prepared from the following raw materials in parts by weight: 20 to 22 parts of methyl methacrylate butyl acrylate, 29 to 31 parts of butyl acrylate, 8.5 to 9.5 parts of hexafluorobutyl acrylate, 4 to 5 parts of vinyltriethoxysilane, 0.1 to 0.12 part of ammonium persulfate, 2 to 3 parts of OP-10, an appropriate amount of deionized water and an appropriate amount of ammonia water, 1.5 to 2 parts of 2,2,4-trimethyl-1,3-pentanediol monoisobutyrate, 12 to 13 parts of lanthanum hexaboride powder, 1.2 to 1.3 parts of polyvinylpyrrolidone, 0.8 to 1 part of sodium dodecyl benzene sulfonate, an appropriate amount of anhydrous ethanol, 7 to 8 parts of rutile type titanium dioxide, and 1 to 1.5 parts of sodium carboxymethylcellulose. The coating prepared by the invention has good heat insulation properties, can prevent infrared rays from entering, and further prevents heat from radiating outdoors, and has good water resistance and weather resistance after applied onto outdoor wall bodies; in addition, a prepared coating film is not easy to crack, thereby well protecting the wall bodies and prolonging the service life of the wall bodies.

The invention discloses a building external wall temperature-change-resistant anti-oxidative color coating, which is prepared from the following raw materials in parts by weight: 20 to 25 parts of carboxylic waterborne polyurethane, 19 to 24 parts of pure silicon resin emulsion, 11 to 16 parts of cobalt blue, 10 to 15 parts of mill base, 8 to 12 parts of bentonite, 7 to 11 parts of mica powder, 6 to 10 parts of kaolin, 5 to 9 parts of talcum powder, 12 to 14 parts of sodium carbonate, 9 to 11 parts of sodium tripolyphosphate, 10 to 12 parts of polyoxyethylene aliphatic ester, 8 to 10 parts of sodium polyacrylate, 13 to 16 parts of sheet zinc powder, 7 to 11 parts of aluminum hydroxide, 5 to 8 parts of silicon nitride, and 30 to 35 parts of deionized water. A preparation method comprises the following steps of S1, adding the carboxylic waterborne polyurethane, the pure siliconresin emulsion, the cobalt blue, the mill base and the deionized water into a stirrer, and stirring with the stirring speed of 30 to 40rpm for 20 to 30min at the temperature of 40 to 50 DEG C; S2, adding the sheet zinc powder, the aluminum hydroxide and the silicon nitride for stirring with the stirring speed of 100 to 150rpm for 5 to 10min. The building external wall temperature-change-resistant anti-oxidativecolor coating provided by the invention has excellent temperature alternating resistance and oxidation resistance, has high tensile strength and favorable flexibility, and is simple in preparation process, convenient to use, and low in cost.

The invention relates to epoxy grout which comprises the following components: epoxy resin, filler and pigment, and is characterized by further comprising toughening resin and a toughening curing agent, wherein the toughening curing agent is polyether arylamine. According to the epoxy grout, polyether arylamine is adopted as the toughening curing agent in a breakthrough manner, and a precise formula is adopted, so as to achieve the effect that the epoxy grout has high temperature difference resistance and high adhesive force performance; besides, the adhesive force of the epoxy grout after curing reaches 9 Mpa, the cold and heat resisting cycle temperature reaches to minus 30 to 80 DEG C, and the elongation reaches 8%.

The invention relates to an oxidation-resistant coating composition. The oxidation-resistant coating composition comprises various resins and auxiliaries and is highly resistant to ultraviolet irradiation and temperature difference change by means of combination of all the components.

The invention relates to an oxidation-resistant binder composition. The oxidation-resistant binder composition comprises different types of resin and auxiliaries. The oxidation-resistant binder composition with various components which are combined with one another has the advantages of excellent ultraviolet radiation resistance and temperature difference change resistance.

The present invention relates to a ceramic burner plate for infrared radiators which includes a lithium silicate as a main constituent. The burner plates according to the invention can have a content of lithium oxide within the range of 0.63% by weight to 7.6% by weight and they exhibit a high temperature resistance and are extremely durable.

The invention provides a long-acting protective coating for a furnace wall of a gas nitriding furnace and a preparation method thereof. The protective coating comprises an adhesive, silicon dioxide, boric anhydride, calcium oxide, copper oxide and sylvite, and preferably further comprises an anti-seepage agent. The melting point of a glass coating is adjusted, so that the coating is of a glass molten state structure at high temperature and has good viscosity and sealing effects, the coating is converted into solid glass after being cooled to the normal temperature, and the coating can keep a complete structure under temperature difference impact. The coating also contains functional elements such as boron, silicon, copper and potassium, the physical and chemical properties of a coating layer can be improved, and the coating has a good application prospect.

The invention relates to a preparation method of an antioxidation paint composition. The paint composition comprises multiple different types of resins and assistants. Due to the combination of the components, the paint composition has the advantages of favorable ultraviolet irradiation resistance and favorable temperature difference change resistance.

The invention relates to a crimping diode provided with a semisonductor chip fixed between a pedestal and a top metal wire through a connecting layer; the connecting layer contracts at least on the front surface of the chip relative to the outer rim of the chip; an area without the connecting layer on the semiconductor chip is provided with surrounded and insulated first plastic layer; furthermore, a complete surrounded and insulated second plastic layer is employed to connect an end portion in a radial direction of the first plastic layer.

The invention discloses nano-modified anticorrosive coating for power transmission and transformation lines and a preparation method thereof, and belongs to the technical field of electric power corrosion prevention. The coating is prepared from the following raw materials in parts by weight: 50-80 parts of epoxy modified organosilicon resin, 5-10 parts of nano magnesium oxide, 5-15 parts of a coupling agent, 5-12 parts of a curing agent, 30-50 parts of a compound diluent, 4-10 parts of red lead, 2-5 parts of aluminum silicate and 1-6 parts of an auxiliary agent. The coating is good in temperature change resistance and weather resistance.

The invention discloses a nanometer fence paint, and belong to the field of paint technology. The nanometer fence paint of the present invention comprises the following raw materials in parts by weight: 30-40 parts of acrylic acid emulsion, 5-10 parts of ferric oxide, 5-10 parts of ferrous oxide, 10-20 parts of talcum powder, 10-20 parts of heavy calcium carbonate, 30-40 parts of deionized water, 10-20 parts of tween-80, 10-20 parts of span-80, 1-5 parts of substituted acrylic acid ester, 1-5 parts of hydroxyethyl cellulose, 1-5 parts of magnesium aluminum silicate, 1-5 parts of nanometer zinc oxide, 1-3 parts of nanometer sheet shaped aluminium powder and 1-3 parts of nanometer sheet shaped copper powder. Tween-80 and span-80 are used, hydroxyethyl cellulose and magnesium aluminum silicate are combined, substituted acrylic acid ester and nanometer additives are added, and thereby performance of the nanometer fence paint is enhanced, and surface brightness of the cement fence is increased; the nanometer fence paint has the advantages of good ultraviolet resistance capability, aging resistance, weatherability, chemical corrosivity resistance and scrubbing resistance.