58results about How to "Less prone to aging" 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 relates to an outer wall heat-preserving system, which comprises a bonding mortar layer, a heat-preserving layer, a surfactant layer, a rendering coat mortar layer, glass fiber gridding cloth, an anchoring piece and a finishing coat, wherein the inner surface of the heat-preserving layer is bonded on a wall body by coating the bonding mortar layer; the surfactant layer is coated on the outer surface of the heat-preserving layer; the inner surface of the glass fiber gridding cloth is bonded on the surfactant layer through the rendering coat mortar layer; the finishing coat is bonded on the outer surface of the glass fiber gridding cloth through the rendering coat mortar layer; and the anchoring piece is arranged on the outer side of the glass fiber gridding cloth, and is fixed on the wall body by passing through the heat-preserving layer. Compared with the prior art, the outer wall heat-preserving system has the advantages of safety, moisture resistance, corrosion resistance, insect pest resistance, molding resistance, high heat-preserving performance, high sound insulating performance, high fire resistance, high durability, and the like.

The invention provides a production method of special titanium dioxide for decorative base paper, belonging to the technical field of titanium dioxide. The production method comprises the following steps of A, preparing titanium dioxide into 500-600g/L TiO2 sizing agent by using desalted water, adding silicate, grinding, regulating pH of the sizing agent to be 9.5-10, heating up to 40-80 DEG C, then diluting to obtain 300+/-10g/L TiO2 sizing agent, and keeping temperature at 40-80 DEG C; B, quickly adding an acid aluminum salt solution into the TiO2 sizing agent diluted in step A, and stirring to obtain mixed sizing agent; C, slowly adding a phosphorus-containing compound solution into the mixed sizing agent of step B, then regulating pH to be 5.0-5.5, and curing; D, after curing, slowly adding an alkali aluminum salt solution under the condition of pH being 5.0-5.5, adding a pH regulator while adding the alkali aluminum salt solution, keeping pH at 5.0-5.5, stirring for 20-40 min, and then regulating pH to be 7.0-8.0; E, curing again, filtering and washing, drying, and crushing to obtain the special titanium dioxide for decorative base paper. The production method is simple and highly practical, and can produce titanium dioxide of stable quality.

The invention discloses regeneration asphalt concrete and a preparation technology thereof, relates to the technical field of asphalt processing, and aims at solving the problems that the comprehensive stability of the asphalt concrete is greatly reduced in the using process caused by poor thermal conductivity of the asphalt concrete when external temperature is violently changed. The regenerationasphalt concrete comprises, by weight, 85-90 parts of new aggregates, 6-8 parts of SBS modified asphalt, 0.5-0.9 part of ore powder, 22-25 parts of regeneration asphalt mixed old aggregates, 0.2-0.4part of a regenerant, 2.5-4.5 parts of high-thermal-conductivity filler, 0.2-0.6 part of a heat stabilizer and 0.4-0.8 part of slaked lime powder. The regeneration asphalt concrete has better stability in the using process, the concrete is not easily damaged due to the violent change of external temperature, and the service life is longer.

The invention discloses a method for constructing and differentiating a pancreatic stem cell line from human insulin. The pancreatic stem cell line is a pancreatic stem cell amplified from human insulin mass and has a multi-lineage differentiation potential. The induced pancreatic stem cell line can be differentiated to form nerve-like cells, fat-like cells, bone-like cells and functional insulin-like cell mass. The functional insulin-like cell mass is transplanted to a body of a nude mouse model suffered from diabetes, so that the blood sugar concentration of the nude mouse model can be reduced and normal blood sugar level can be maintained within one month.

The invention discloses an anti-static EVA (Ethylene Vinyl Acetate) material and a preparation method thereof. The anti-static EVA material comprises the following components in parts by weight: 60-70 parts of EVA, 10-20 parts of EPDM (Ethylene-Propylene-Diene Monomer), 5-15 parts of conductive carbon black, 5-15 parts of talcum powder, 1-5 parts of white oil, 1-5 parts of foaming agent, 0.2-0.6 part of coupling agent, 0.5-1.5 parts of zinc oxide powder and 0.5-1.5 parts of stearic acid. The preparation method comprises the steps of internal mixing, open mixing, granulating, foaming and the like. The anti-static EVA material is prepared by using the EVA as a substrate, and is capable of permanently shielding electrostatics and cannot be affected by a damp environment; the anti-static EVA material also is capable of keeping extremely high stability in low-temperature and high-temperature environments, and hardly ages.

The invention discloses a waterborne acrylic acid and asphalt anti-corrosive paint and a preparing technology thereof, and relates to the technical field of waterborne paints. The problem that a paintfilm formed after a waterproof paint is in use is easily aged, and the overall application effect of the paint is poor accordingly is solved. The waterborne acrylic acid and asphalt anti-corrosive paint is prepared from, by weight, 40-50 parts of an acrylic acid emulsion, 3-7 parts of petroleum asphalt, 2-5 parts of titanium dioxide, 0.6-1.2 parts of a Tex film-forming agent, 0.2-0.6 part of polydimethylsiloxane, 1-3 parts of sodium pyrophosphate, 3-5 parts of alumina micro powder, 2-4 parts of waste micro-rubber powder, 1.6-2.4 parts of a filler, 1.2-1.8 parts of a fiber material, 0.4-0.8 part of an emulsifier and 2-3 parts of a dispersing agent. The waterborne acrylic acid and asphalt anti-corrosive paint has good environmental protection performance, a coating formed after use has goodageing resistance, the overall quality is high, and the paint has a good application effect.

The invention discloses an electric kettle with an elastic kettle body. The electric kettle comprises the kettle body, a bottom case and an electric heating plate, wherein the kettle body is of an annular thin-walled structure made of elastic material, the upper end opening of the kettle body is provided with a spout, the lower end opening of the kettle body is provided with a raised sealing rib on the periphery, the electric heating plate is a shell with an open upper end, the lower end of the electric heating plate is provided with an electric heating device, an inlaying groove for inlaying the lower end opening of the kettle body is formed around the edge of the shell, the raised sealing rib of the lower end opening of the kettle body is inlaid in the inlaying groove, extruding sealing connection is formed by the elasticity of the kettle body and the inlaying groove, and the bottom case is connected with the outer side of the bottom end of the kettle body or is connected with the edge of the outer side of the electric heating plate to cover the electric heating device in the bottom case. The lower end of the elastic kettle body is inlaid in the inlaying groove of the electric heating plate, so the accessory number and the assembly difficulty of the electric kettle are reduced, and the production efficiency of the electric kettle is improved; the bottom of the kettle body is provided with the raised sealing rib, so that the connection sealing property between the kettle body and the electric heating plate is ensured.

The invention discloses a lubricating grease specially used in a metallurgical industry continuous casting machine, and a preparation method thereof. The lubricating grease comprises the raw materials of, by weight: 30-50 parts of common oil A, 10-20 parts of common oil B, 30-50 parts of calcium petroleum sulfonate, 0.3-0.8 parts of ethanol, 1-1.5 parts of petroleum ether, 0.5-1 part of acetic acid, 2.5-3 parts of fatty acid, 0.5-1 part of boric acid, 1-2 parts of water, 2.5-3 parts of calcium hydroxide, 0.5-1 part of calcium carbonate, 1-2 parts of an antioxidant, 0.5-1 part of an antirust agent, and 0.6-1.5 parts of an extreme-pressure agent. The preparation method comprises the steps that: parts of the raw materials are sequentially added according to the ratio of a formula, such that a saponification reaction is carried out; parts of the raw materials are supplemented, and refining is carried out; the material is delivered into a kettle; rest of the raw materials are added, and process treatment is carried out. The lubricating grease provided by the invention has excellent high-temperature and low-temperature performances, good mechanical stability, good oxidation stability, good water resistance and pumpability, outstanding extreme-pressure wear resistance, and outstanding anti-corrosion and antirust performances. The preparation method is simple and easy to operate. Product application effect is good.

The invention discloses a hot-dip galvanizing method for obtaining colored plating on flat steel. The method comprises the following steps of preparing alloy plating solution with special element proportion, placing the flat steel subjected to the surface pre-treatment in the hot plating solution at the rate of 0.01 m/s-0.03 m/s, carrying out immersion plating at the temperature of 430-560 DEG C for 0.5 min-10 min, taking out the flat steel from zinc liquid at the same rate, and carrying out air cooling and water cooling so as to obtain the colored coating which is uniform and single in color,good in surface smoothness and free of mixed color. According to the method, the steel can be divided into thin flat steel and thick flat steel according to the thickness of the steel, characteristics of a steel structure are fully analyzed, and technological parameters such as the immersion and leaching rate and the immersion plating temperature are regulated and controlled; the colored platingobtained through the colored hot-dip galvanizing carried out on the flat steep with different thickness and width is uniform in thickness, is stronger than that obtained through colored coating technology in terms of corrosion resistance and weather resistance, is stronger than that obtained through colored passivation technology in terms of adhesion and wear resistance, and is far higher than that obtained through original colored hot-dip galvanizing technology in terms of color uniformity; and the method is simple in process, easy to control, high in manufacturability, low in cost and wide in industrial popularization prospect.

The invention relates to a process applying blend fibers to spinning of dye-free environment-friendly jacquard fabric. The process includes the following steps: (1) mixing colored polyester fibers, gray cotton fibers and bamboo pulp fibers into the blend fibers; (2) forming warp yarn and weft yarn by bundling of the blend fibers; (3) feeding the warp yarn and the weft yarn to a doubling loom, and performing weaving according to jacquard patterns of computer patternmaking; (4) subjecting cloth obtained by spinning to follow-up treatment to obtain the dye-free environment-friendly jacquard fabric. Compared with the prior art, the process has the advantages that the produced jacquard fabric is good in color and color fastness and less prone to aging, doubling, damage, shrinkage and damage, no printing and dyeing wastewater is produced during production, and pollution to the environment due to printing and dyeing is reduced greatly.

The invention relates to the technical field of organic light-emitting devices, and discloses an organic light-emitting material and the application thereof. The organic light-emitting material adoptsthe structure shown as a general formula (I): FORMULA, wherein X1 and X2 are each independently a C atom or a Si atom; Z1 and Z2 are each independently an unsubstituted or substituted five-membered aromatic ring, six-membered aromatic ring or fused ring, and R1 And R2 are each independently an alkyl group, an amino group, an imido group, a deuterated substance or a benzene ring; A is an electron-withdrawing functional group. The organic light-emitting material has a TADF function and a light extraction function at the same time and is a guest material with balanced hole transport and electrontransport capability, and as a light-emitting layer of an OLED, the organic light-emitting material can effectively avoid performance degradation of the device and is beneficial to reduction of the rolloff of the device efficiency; in addition, the organic light-emitting material does not contain functional groups such as carbazole or triphenylamine; the OLED prepared from the organic light-emitting material is good in stability and unlikely to age.

The invention discloses an aging-resistant and heat-conducting silicone material for a computer processor. The silicone material is prepared from raw materials in parts by weight as follows: 45-52 parts of divinyl silicone oil, 4-8 parts of vinyl trimethoxysilane, 5-9 parts of aluminum powder, 12-17 parts of copper powder, 2-5 parts of magnesium oxide, 1-3 parts of sodium sulfate, 7-10 parts of polymethylhydrosiloxane, 3-7 parts of titanium dioxide, 6-10 parts of dipyrrolidone silane, 5-9 parts of pentaerythritol, 1-3 parts of a vulcanizing agent and 1-2 parts of chloroplatinic acid. The invention further discloses a preparation method of the aging-resistant and heat-conducting silicone material for the computer processor. The prepared heat-conducting silicone material has a good heat conducting property, has excellent aging resistance, cannot age easily when used in the high-temperature environment for a long time, and guarantees normal heat dissipation of the computer processor.

The invention disclose a male plug of high sealing performance. A plug body is provided with a waterproof structure and a rubber sealing ring; the waterproof structure comprises an upper waterproof ring and a lower waterproof ring, the top of the lower waterproof ring is provided with positioning grooves, the bottom of the upper waterproof ring is provided with positioning projections, and the positioning projections are embedded into the positioning grooves to realize connection between the upper waterproof ring and the lower waterproof ring; and the rubber sealing ring is internally provided with clamping grooves, each clamping groove comprises a central positioning groove and edge positioning grooves, the plug body is provided with multiple clamping projections, the amount, positions, shape and size of the clamping projections correspond to those of the clamping grooves respectively, and the clamping projections are embedded into the clamping groove to realize connection and fixation between the rubber sealing ring and the plug body. The waterproof structure and the rubber sealing ring are used to play the waterproof role during use, and the plug can be effectively protected.

The invention belongs to the technical field of paints, and specifically discloses a deodorant for a paint and a preparation method thereof. The deodorant comprises components such as triethanolamine,naphthenic acid lithium, linoleic acid, tetrabutyl titanate and carbonic acid ammonium zirconium salt; the deodorant is used for deodorizing the paint and the effect is obvious; odors such as formaldehyde of the paint can be obviously reduced and removed in a short period; in addition, a paint coating can be rapidly dried; and problems such as ageing and color fading can be greatly solved.

The invention provides a method for preparing a novel anti-aging material for a computer processor. The method comprises the following steps: a, mixing aluminum powder, copper powder, magnesium oxide and titanium dioxide, and performing ball milling to obtain a material I; b, mixing divinyl silicone oil and vinyl trimethoxy silane, adding the mixture into an internal mixer, stirring and mixing to obtain a material II; c, adding the material I into the material II, adding polypropylene silicone grease and ethyl acetate grafted copolymerized starch, mixing, and performing a mixing reaction in a chemical vapor deposition furnace to obtain a material III; d, adding pentaerythritol and sucrose polyester into the material III to perform an isobaric thermal gradient reaction to obtain a material IV; and e, mixing the material IV, polymethyl hydrogen siloxane, dipyrrolidone silane and chloroplatinic acid in a high frequency induction heating hot-press sintering furnace, and performing curing treatment. The novel anti-aging material is low in cost and simple in preparation method, and is suitable for industrial large-scale production.

Provided are a decoration and fire prevention integrated plate and a manufacturing method thereof. The decoration and fire prevention integrated plate comprises a base plate adhering to a wall and a fireproof and decorative laminboard combined on the base plate, the fireproof and decorative laminboard is formed by combining three layers of boards and comprises fireproof boards on the two sides and a decorative composite core layer clamped between the fireproof boards on the two sides, and the base plate and the fireproof and decorative laminboard are connected into a whole through buried connecting parts located at the four corners of a composite plate. The decorative composite core layer is of a double-layer structure that a decorative face layer is bonded to a high-silica refractory fiber cloth lining layer, the lining layer has the function of an underlayer relative to the decorative face layer, and phenolic resin plates on the two sides have double protection on the decorative composite core layer. The fireproof performance and decoration performance of a fireproof plate are organically combined, the fireproof plate can be directly used as a cladding panel, and the function of a decoration plate is achieved.

The invention discloses a formula of a heat-resistant type energy-saving thermal insulation architectural coating. The architectural coating comprises the following raw materials in parts by weight: 15-25 parts of elastic acrylic emulsion, 10-14 parts of light calcium carbonate, 3-5 parts of polyvinyl alcohol, 6-8 parts of liquid glass, 6-8 parts of polyacrylamide, 10-20 parts of ceramic fiber, 10-12 parts of porous powder quartz, 15-25 parts of expanded perlite, 6-10 parts of brucite fiber cotton, 8-10 parts of hydroxypropyl methylcellulose, 2-6 parts of polyphenylene granules, 10-20 parts ofcomposite magnesium aluminum silicate, 10-16 parts of a thermal insulating aggregate, 10-20 parts of a reflective mixture and 60-80 parts of pure water; the invention further disclosed a preparationmethod of the heat-resistant type energy-saving thermal insulation architectural coating, and the preparation method comprises the five steps of raw material configuration, solid material grinding, raw material mixing, heating and standing still for forming, testing and subpackage; the thermal insulation coating not only has good thermal insulation performance, but also is strong in adsorption andeasy to coat, and at the same time, by combining barrier heat insulation and radiation heat insulation, the heat insulation effect is improved, and the thermal insulation coating is easy to use for along time, and not easy to age or fall off.

The invention discloses a solvent-free polyurethane finishing coat. The solvent-free polyurethane finishing coat is characterized by comprising the substances in parts by weight: components A, namely 60-80 parts of hydroxy epoxy resin, 10-15 parts of a pigment, 10-15 parts of filler, 1-5 parts of a defoaming agent, 1-5 parts of a dispersing agent and 1-5 parts of a flatting agent, and component B, namely polyisocyanate, wherein the components A and the component B are mixed evenly at the ratio of (5-10):1. According to the high-NCO content solvent-free isocyanate-terminated prepolymer of a low-residue isocyanate monomer, the crosslinking density and the toughness of a coating are improved while the low-temperature drying speed of a film is ensured, thereby providing the film with excellent wear resistance, impact resistance, corrosion resistance and scratch resistance.