84results about How to "Good resistance to temperature denaturation" patented technology

The invention discloses a highly-flame-retardant modified acrylate coating. The raw materials for preparing the coating comprise the following ingredients: 65-80 parts of phosphate ester modified acrylic emulsion, 5-10 parts of polysiloxane, 3-10 parts of waterborne polyurethane emulsion, 2-6 parts of resorcinol bis(diphenyl) phosphate, 0.5-1.8 parts of tri-isopropylphenyl phosphate, 10-30 parts of nanometer aluminum hydroxide, 15-32 parts of titanium dioxide, 5-20 parts of nano-silica, 19-35 parts of ammonium polyphosphate, 5-10 parts of dipentaerythritol, 3-10 parts of beta-cyclodextrin, 3-8 parts of an organic solvent, 3-5 parts of a film-forming additive, 2-5 parts of an auxiliary, and 30-60 parts of water. The highly-flame-retardant modified acrylate coating disclosed by the invention is good in flame retardancy, high in heat resistance, high in strength, and long in service life.

The invention relates to the technical field of protective coatings and particularly relates to an acrylic polyurethane silicofluoride coating. The coating is prepared from the following raw materials in percentage by weight: 50-70% of hydroxyl acrylic resin, 10-20% of solvent, 0.1-3% of fluorine-containing micropowder, 1-5% of pigments, 1-3% of high-hardness oxides, 2-5% of assistant and 10-20% of closed isocyanate curing agent. The acrylic polyurethane silicofluoride coating provided by the invention can be used for improving the protective capability to a steel structure and has good characteristics of ageing resistance, scratch resistance, corrosion resistance, discoloration resistance, pollution resistance and the like. Under the condition of being matched with other primers and intermediate coatings with excellent performances, the coating has an extremely good long-acting protective performance to the steel structure and the protective service life can reach 30 years.

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 present invention relates to a new type conductive paint and its preparation method. Said conductive paint is formed from film-forming material, conductive powder, coupling agent, diluent and adjuvant. The resistivity of paint film formed by utilizing said conductive paint is in the range of 0.38-0.65 ohm.cm.

The invention relates to an anticorrosion type spraying quick-setting rubber asphalt waterproof coating. The coating is an anticorrosion type water-based spraying coating prepared by adding a preservative into a liquid rubber asphalt mastic emulsion component which is prepared from modified-emulsified asphalt and high-molecular polymer rubber latex, and then mixing the liquid rubber asphalt mastic emulsion component with a coagulating agent component in proportion. Besides environmentally-friendly and non-pollution properties, the anticorrosion coating provided by the invention has the advantages of excellent acid-base resistance property, water resisting property, hot brine resisting property, heat and humidity resisting property and temperature change resisting property, accords with the requirement on heavy corrosion protection in the anticorrosion coating and can be widely used for heavy corrosion protection coating on the surface of concrete, metal and wood and the like in various buildings and structures, over-ground, underground or underwater steel structures, chemical engineering machines, pipelines, tanks, ships, bridges, docks and the like.

The invention discloses photocuring hammer paint. The photocuring hammer paint comprises components in percentage by weight as follows: 15-25% of thermoplastic organic silicone modified alkyd resin, 5-25% of phenolic epoxy acrylic resin, 15-30% of UV (ultraviolet) curing monomers, 1-5% of a photoinitiator, 35-45% of a solvent, 0.5-1% of a hammer additive and 2-4% of non-floating type aluminium powder. According to the photocuring hammer paint, the UV curing components are introduced into the hammer paint, so that the film formation and curing time is shortened, and the construction efficiency is improved; and the UV curing components are introduced, through a photocuring chemical crosslinking reaction, the crosslinking density of a paint film is increased, the heat resistance and the abrasion resistance of the paint film are improved, and the phenolic epoxy acrylic resin in the paint has the excellent chemical resistance, so that the hammer paint has the better chemical resistance, corrosion resistance and temperature variation resistance and can satisfy the requirements of hammer decoration on surfaces of instruments in current aviation and navigation fields for resistance.

The invention relates to a paint with low VOC (Volatile Organic Compound) for an aircraft and a preparation method thereof. A component A of the paint is HDT-LV2 produced by the French Rhodia Company and has a nonvolatile matter content of 100 percent by weight; a component B of the paint consists of the following components in percentage by weight: 20-60 percent of caprolactone monomer modified hydroxyl polyester resin, 3-15 percent of polycaprolactone polyol resin, 5-50 percent of paint, 1-3 percent of dispersant, 0.1-1 percent of composite flatting agent, 0.05-0.15 percent of acetylacetonetype catalyst, 0.1-0.4 percent of hinderdeamine type light stabilizer, 0.2-0.6 percent of polyolefin wax type anti-settling auxiliary agent and the balance of mixed solvent; and the mixing ratio of the component A to the component B is (0.8-1.5):1 according to the molar ratio of NCO to OH. Comprehensive performance of the paint can meet requirements of aircraft industry and the paint has low construction VOC.

The invention relates to color cement roof paint and its preparation technology. Its material constituents and weight percentages are as follows: acrylic resin 20-45%, pigment or dye 0.5-15%, auxiliary 0.1-3%, and solvent 45-78%. Its preparation technology adopts resin and paint manufacturing steps. Compared with the current technique, it emphasizes glass temperature control more to make the product have better weathering and water resistances. Thus it can be used in outdoor cement product, especially for the protection and decoration of the cement roof tile surface.

The invention discloses an epoxy modified acrylic emulsion and a preparation method thereof. The epoxy modified acrylic emulsion comprises three components A, B and C, wherein the component A comprises deionized water, an emulsifier, epoxy resin, an acylamino compound, styrene, acrylate, methacrylate and (meth)acrylic acid; the component B comprises deionized water, a buffer agent and an emulsifier; the component C comprises deionized water and an initiator; in the emulsion system, a reducing agent, protective glue, a functional monomer, a neutralizing agent and the like can also be included.The prepared emulsion has the characteristics of fine granules, good elasticity, light resistance, weather resistance, water resistance and the like, and can be applied to waterborne industrial coating, waterborne building coating and waterborne wood coating. The waterborne coating prepared from the emulsion provided by the invention has the characteristics of strong adhesion, high mechanical properties, low curing shrinkage, good water/oil resistance, good temperature change resistance, good heat resistance, excellent aging resistance, excellent electrical insulation, excellent chemical resistance and the like.

Technical scheme is as following: single sided aluminum foil layer wraps on two pieces of power line and two pieces of data signal line of the USB connection wire; metallic braid layer wraps the said aluminum foil layer; and plastic outer covering layer wraps the metallic braid layer; two pieces of data signal line, and ground wire setup in parallel are wrapped inside single sided aluminum foil layer; two pieces of fiber glass packing is in same layer of the two pieces of power line outside the single sided aluminum foil layer. The fore mentioned structures are inter twisted each other. Material of insulating layer for power lines and data signal lines is FEP. Material of plastic outer covering layer is fire resistant. Fabricating steps: inner wrapping; inter twisting; outer wrapping; weaving metal layer; sending out. Features are: high transmission rate and anti-electromagnetic interference, useable to high/low temperature, and acid/alkali condition.

The invention relates to a water-borne acrylic resin outer wall coating and a preparation method thereof. The outer wall coating comprises, by weight percentage, 40.20-66.60% of aqueous acrylic emulsion, 17.50-34.10% of pigments, 1.20-3.30% of wetting dispersant, 0-0.52% of neutralizer, 0.30-0.80% of organic silicon defoamer, 0-0.50% of preservatives, 0.09-3.17% of thickening agent, 2.68-8.00% of expansion agent, 0.70-4.70% of anti-freezing agent, 0.50-2.00% of sodium sulfate, 0.01-0.03% of air-entraining agent and 3.00-12.20% of water. The pH of the coating is 9.2-9.8. The water-borne acrylic resin outer wall coating has the advantages that the coating is good in steam and carbon dioxide permeability, weather resistance and temperature change resistance, bubbling and efflorescence caused by base material water content difference is avoided, and the decoration and protecting function of the coating is kept for a long time; the coating is good in film forming performance, film forming can be achieved without adding film forming auxiliaries, and VOC contents in products are lowered effectively.

The invention relates to a sharkskin lotus leaf imitation nano low resistance antifouling self-cleaning antiseize waterproof paint. The technical scheme of the invention includes that the paint is composed by the following components by parts by weight: 65-99 parts of component A containing 40-60 parts of hydroxyl acrylic resin, 20-25 parts of pigment, 3-5 parts of assistant and 20-30 parts of solvent, 1-35 parts of component B containing 1-35 parts of oxy-silicane and 1-5 parts of nano material silicone dioxide, and 5-25 parts of component C containing 5-35 parts of biuret or tripolymer; through crosslinking and solidifying of hydroxyl acrylic resin and oxy-silicane glue and biuret or tripolyme, the surface of formed paint film has extremely low friction coefficient the same as sharkskin and lotus leaf and extremely low surface energy, shows extremely good low resistance, antifouling, self-cleaning, antiseize waterproof properties and excellent mechanical strength, adhesion, acid-base resistance, temperature change resistance, weather ability and ageing resistance, is environmentally friendly and non-toxic and does not pollute marine environment. The invention can be widely applied to the building, home appliance, electricity and traffic fields, is energy-saving and environmentally friendly and fills the gap in the field.

The embodiment of the invention discloses a water-based coating composition. The water-based coating composition is prepared from, by weight, 60-90 parts of acrylic emulsion, 3-12 parts of a film-forming auxiliary, 0.2-0.5 part of defoamer, 0.3-0.6 part of a base material wetting agent, 4-25 parts of a scratch-resistant agent, 0.4-0.8 part of accelerant, 0.4-1 part of a flatting agent, 0.1-0.5 part of a pH conditioning agent and 0.2-0.5 part of an antiseptic antimildew agent. According to the water-based coating composition, scratch resistance, alcohol resistance, water resistance and stain resistance of a paint film are excellent, adhesive force on a commonly used substrate is good, the water-based coating composition is rapid to dry, resistant to a high temperature, not prone to after-tack and environmentally friendly, coating of the composition on a product can be realized through various operation modes without a curing agent, the paint film formed after coating is conducted is high in density and hardness and resistant to impact of heavy objects, an aqueous solution or other commonly used liquid does not permeate into the paint film easily, and the water-based coating composition is suitable for surface coating of various types of bamboo and wood furniture and artware.

The invention discloses a temperature-change-resistant conveying belt and a preparation method thereof, and relates to the technical field of conveying belts. The problem that the wear resistance of the conveying belt is greatly reduced when the conveying belt is influenced by large temperature change of an external environment due to poor temperature change resistance of the conveying belt is solved. The temperature-change-resistant conveying belt comprises the following components in parts by weight: 60-70 parts of polyurethane rubber; 20-25 parts of butadiene-acrylonitrile rubber; 3 to 5 parts of carbon nanotubes; 5 to 15 parts of dioctyl phthalate; 10-18 parts of a wear-resistant filler; 2-4 parts of a stabilizer; 3-5 parts of a flame retardant; 8 to 12 parts of polyborosiloxane; 3 to8 parts of dicumyl peroxide; 9-15 parts of a PU adhesive; and 20-30 parts of a skeleton fabric. When the temperature-change-resistant conveying belt is affected by large temperature change of the external environment, the abrasion resistance of the temperature-change-resistant conveying belt is not greatly reduced, good structural stability can still be kept, and the whole temperature-change-resistant conveying belt has good temperature change resistance.

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 provides a nano-titania and styrene-acrylic emulsion composite thermal insulation coating. The composite thermal insulation coating comprises raw materials in parts by weight as follows:50-60 parts of styrene-acrylic emulsion, 10-20 parts of active xonotlite slurry, 5-8 parts of hollow glass beads, 3-5 parts of nano-titania, 5-10 parts of diatomite, 8-12 parts of titanium dioxide, 8-12 parts of heat reflection thermal insulation powder, 3-6 parts of mica powder, 3-6 parts of alumina powder, 0.5-0.8 parts of a mildew preventive, 0.4-0.8 parts of a wetting agent, 0.9-1.5 parts ofa dispersing agent, 0.1-0.3 parts of a humectant, 0.3-0.8 parts of a defoamer, 1.0-2.5 parts of a coalescing agent, 0.5-0.8 parts of a thickener, 1-3 parts of a leveling agent and 20-50 parts of deionized water.

The invention discloses a water-based coating composition for a cold chain container. The water-based coating composition mainly comprises a primer and a finish paint, wherein a primer coating mainly comprises a water-based epoxy emulsion, a water-based polyurethane emulsion, a water-based epoxy curing agent, zinc powder, graphene, a leveling agent and deionized water; and a finish paint coating mainly comprises a water-based epoxy emulsion, a water-based acrylic emulsion, a water-based polyurethane emulsion, an epoxy diluent, a filler, a leveling agent, a defoaming agent, a thixotropic additive and deionized water. According to the water-based coating composition for the cold-chain container, the synergistic effect of the multi-component mixed resin is exerted, the adhesive force of the primer and the finish paint is good, a middle-layer coating is omitted, and cost is saved; and meanwhile, the coating composition has the good adhesive force, corrosion resistance, impact resistance, temperature change resistance and sagging resistance, and is especially applicable to a metal surface of the cold-chain container.

The invention relates to the field of preparation of ceramic materials, in particular to a method for preparing a high-strength ceramic composite material. The method is characterized by comprising the following steps: preparing a raw material by adding a Tic reinforcing phase into industrial aluminum oxide serving as a substrate material; adding an aluminum-titanium-carbon alloy and a reinforcing fiber net, performing forced ball milling, passing the ball-milled powder through a 100-mesh sieve and obtaining mixed powder; and performing hot pressing sintering in an atmosphere of nitrogen by a hot pressing sintering process, wherein the sintering temperature is 1,500 to 1,600 DEG C, the sintering pressure is 25 to 30 MPa, the sintering time is 1 hour, and the temperature is kept for 20 to 30 minutes. Compared with the prior art, the invention has the advantage that the preparation method is simple. The practicality of the finished product is high, the process operation is simple and convenient, and the high temperature resistance, temperature deformation resistance, mechanical performance, pressure strength, bending strength and hardness are high.

The invention provides a waterborne acrylic emulsion for an automobile electrophoretic finish-coat paint, belonging to the technical field of automobile finish-coat paint emulsions. The waterborne acrylic emulsion comprises the following components by weight: 50 to 80 parts of styrene, 50 to 100 parts of methyl methacrylate, 200 to 250 parts of n-butyl acrylate, 2 to 10 parts of methacrylic acid,0 to 50 parts of acrylonitrile, 1 to 8 parts of aliphatic urethane acrylate, 3 to 15 parts of a reaction type polymerizable emulsifier, 0 to 10 parts of waterborne solid acrylic resin, 1 to 5 parts ofan initiator, 430 to 600 parts of water, 0 to 5 parts of ammonia water, 0 to 3 parts of an antifoaming agent and 0 to 3 parts of a bactericide. The invention also provides a preparation method for the waterborne acrylic emulsion. The waterborne acrylic emulsion and a waterborne automobile topcoat emulsion synthesized therefrom provided by the invention have the advantages of no APEO, low formaldehyde content, no discharging of benzene compounds and pollution, narrow particle size distribution and good product stability.