37results about How to "Strong heat and humidity resistance" patented technology

Disclosed is an inorganic medicine, particularly modified montmorillonite, method for preparing the same and use thereof. The said modified montmorillonite means that dioctahedron of natural montmorillonite is not destroyed and basic chemical composition for the same is not changed, and the microstructure stacked from dioctahedron layer is changed to decrease the thickness of stacking layer and to expose and increase the end face charge and the interlayer charge of montmorillonite, thereby resulting in its lower degree of C axis order. The present medical use of montmorillonite is thus significantly strengthened, particularly the reversal treatment effect on chronic atrophic gastritis. Also disclosed are a medicine composition containing modified montmorillonite and the reversal treatment effect of natural montmorillonite on chronic atrophic gastritis.

A method for purification and separation of inorganic mineral, especially for purification and separation of montmorillonite from natural bentonite is provided. The said method is simple, and uses high-speed centrifugal device to well solve the problems present in purification of montmorillonite that a-quartz and cristobalite are difficult to be separated and removed and purified slurry is difficult to be concentrated and dehydrated. The purity of montmorillonite thus obtained is not less than 95%.

An LED synchronous red-blue light panel light source used for promoting plant growth is composed of a high reflection panel, blue light LED light bars, a rare earth luminous panel, a light guiding board and an aluminum frame. The aluminum frame is a rectangular, the blue light LED light bars and the middle of the inner side face of the aluminum frame are fixed, the four side faces of the cuboid light guiding board, are connected with the blue light LED light bars around the cuboid light guiding board respectively, and the high reflection panel and the rare earth luminous panel adhere to the upper face and the lower face of the aluminum frame in a sealing mode. The LED synchronous red-blue light panel light source has the advantages that the structure is simple, implementation is easy, LED conversion is achieved from a traditional point light source to an area light source, the spectrum is wide, brightness is high, light colors are even, the capacity of damp and hot resistance is high, and service life is long; the full width at half maximum of an emitted red light peak is approximate to 70nm and is closer to red light in natural light, the irradiance proportion of red light and blue light is adjustable, coverage can be effectively performed on the absorption spectra of plants so that requirements of plant growth can be met, and the LED synchronous red-blue light panel light source can be widely applied to an intelligent plant factory and the fields of perpendicular planting, tissue culture seedling growth, home gardening and others.

The invention belongs to the technical field of solar photovoltaics, and relates to a solar photovoltaic flame-retardant type white EVA packaging glue film and a double-glass photovoltaic component. The packaging glue film adopts a fire retardant obtained by compounding triphenyl phosphate (TPP), nanometer calcium carbonate (Nano CaCO3) and nanometer magnesium hydroxide (Nano Mg(OH)2). According to the invention, the above-mentioned three flame retardants are compounded according to a certain proportion and mutually supplements flame-retardant defects and disadvantages, so synergistic and flame-retardant effects can be generated; and the EVA flue film achieves best flame-retardant effects and is used for packaging of the double-glass photovoltaic component, wherein the fireproofing grade of the double-glass photovoltaic component achieves the requirements of Class A.

The invention relates to a high-strength antifreezing single-component plate-splicing adhesive and a preparation method thereof. The high-strength antifreezing single-component plate-splicing adhesive is composed of water, an ethylene-vinyl acetate (EVA) emulsion, a reactive emulsifier, a pH buffering agent, an initiator potassium persulfate (KPS), vinyl acetate (VAc), glycidyl methacrylate (GMA), 2-ethylhexyl acrylate (2-EHA), a pH regulator, a residual monomer treating agent, assistants and a viscosity regulator. The polyvinyl acetate composite adhesive has the advantages of stable viscosity, favorable flowability, high bonding strength, no free formaldehyde and favorable damp-heat resistance. The product is widely suitable for veneer thickening, hollow-core door manufacturing, integrated materials, wheel-type plate splicing and rabbets, and is an environment-friendly adhesive with favorable damp-heat resistance, stable viscosity and high bonding strength.

The invention discloses a hybrid breeding and cultivation method for cabbage. The method comprises the following steps: 1) parental selection: selecting at least Liangqing cabbage and Xiaoza 56; 2) parental selfing and separating: separating the progeny from the selfing process of Liangqing cabbage and selecting a good individual A, and separating the progeny from the selfing process of Xiaoza 56and selecting a good individual B; 3) parental selfing and purifying: selfing and purifying the individual A for five generations, and selecting antiviral and downy mildew resistant and soft rot resistant self-incompatible lines with consistent traits as progeny C; selfing and purifying the individual B for five generations, and selecting antiviral and downy mildew resistant self-incompatible lines as progeny D; 4) hybridizing: performing a reciprocal cross compatibility test with progeny generations C and D, and performing hybridization with generation C as female parent and generation D as male parent, to obtain the cabbage seed. The technical solution provided by the invention solves the problem that the cabbage species currently introduced to Yunnan, Guizhou, Sichuan have poor qualityand low yield when being planted in spring and autumn.

The invention discloses anticorrosion sealing wax for bridge cables and anchor heads. The anticorrosion sealing wax is a mixture composed of, by weight, 15-40 parts of microcrystalline wax, 8-30 parts of oxidized polyethylene wax, 10-30 parts of oxidized microcrystalline wax, 3-8 parts of rice bran wax, 10-30 parts of naphthenic oil, 8-20 parts of composite antirust agent, 3-15 parts of thickening agent, 0.5-1 part of dispersing agent, 0.5-3 parts of high temperature resistance oxidizing agent and 0.5-1 part of inorganic filler. According to a preparation method of the anticorrosion sealing wax, all the components are sequentially put in a heating container, a certain temperature is maintained, stirring is performed, and then the anticorrosion sealing wax is prepared. The anticorrosion sealing wax for the bridge cables and anchor heads has the advantages of being high in compactness and sealing performance, low in shrinking rate, high in adhesive force, free of losses, high in dampness and heat resistance, salt mist resistance and oxidation resistance and long in anticorrosion period, and has long-term protective properties on the bridge cables and anchor heads and other steel components.

The invention discloses a foam pressure-sensitive adhesive product, and a preparation method thereof. The foam pressure-sensitive adhesive product comprises a component A and a component B, wherein according to weight percentages, raw materials of the component A comprise 4-10% of a hard monomer or hard monomers, 25-35% of a soft monomer or soft monomers, 1-5% of a functional monomer or functionalmonomers, 60% of a solvent or solvents, and an initiator which accounts for 0.1-0.5% of the total weight of the hard monomer(s), the soft monomer(s) and the functional monomer(s); and raw materials of the component B comprise a tackifying resin or tackifying resins which account for 1-5% of the total weight of the component A, and a curing agent or curing agents which account for 0.1-1% of the total weight of the component A. The foam pressure-sensitive adhesive product disclosed by the invention has the advantages that a sufficient adhesive strength can be provided for fixation of an adheredobject, and high heat resistance and high damp heat resistance are achieved; and under the premise of a high cohesion strength, the adhesive achieves a larger initial adhesive force and a lower glass-transition temperature, so that the adhesive can be removably stripped off and is highly infiltrative.

The invention discloses a corrosion-resistant antirust oil. The corrosion-resistant antirust oil comprises the following raw materials by weight: 72 to 80 parts of machine oil No. 50, 0.8 to 2 parts of chlorinated cetylpyridine, 1 to 2 parts of sodium benzoate, 3 to 5 parts of dodecencylsuccinic acid, 0.2 to 0.5 part of trimethyl orthobutyrate, 2 to 3 parts of triethanolamine oleic soap, 2 to 3 parts of rosin-polythylene oxide ester, 1 to 2 parts of hydroxyethyl ethylene bisstearamide and 4 to 6 parts of an antirust aid. The antirust oil provided by the invention has a good bonding force with a metal substrate, can form a homogeneous oil-phase antirust layer on the surface of the substrate and be stored in a humid environment for at least one year, shows strong corrosion resistance and dampness and heat resistance and exerts a protection effect on the metal substrate.

The invention discloses a CO2 reflecting film based on a silicon carbide substrate and a preparation method thereof. The CO2 reflecting film based on the silicon carbide substrate comprises a siliconcarbide substrate layer, a diamond-like carbon film layer, a nickel-chromium alloy bonding layer, a metal film, more than one group of alternately arranged germanium layers and zinc sulfide layers, and more than one group of alternately arranged YbF3 layers and ZnSe layers, which are connected in sequence. According to the CO2 reflecting film based on the silicon carbide substrate, the film systemhas reflection of 99.8% in a far infrared 10.6 [mu]m waveband, can bear a high temperature of 300 DEG C, and has the advantages of small density, high elastic modulus, the low thermal expansion coefficient, high thermal conductivity, strong adhesion, the good temperature resistance, strong humidity resistance, no thermal stress, uniform linear expansion coefficient, and isotropy in thermal performance and mechanical performance; and preparation is simple, raw materials are easy to obtain and cost is low.

The invention discloses a NiMA1Y / Al2O3 composite coating and a preparation method thereof and an application thereof. The NiMAlY / Al2O3 composite coating comprises a NiMA1Y layer and an Al2O3 layer which are formed on the surface of a base body in sequence; the NiMA1Y layer comprises 82-84 wt% Ni, 1-10 wt% M, 12-24 wt% Al and 0.5-1.5 wt% Y; and the Al2O3 layer mainly consists of alpha-Al2O3, wherein M comprises any one or a combination of two or more than two elements from elements of Cr, Si and Pt. The preparation method comprises the steps of using a NiMAlY target and an Al target as target materials and using inert gas as working gas to apply target current to a NiMAlY alloy target and the Al target and apply bias voltage to the base body by using a physical vapor deposition technology so as to deposit the NiMAlY alloy target and the Al target on the surface of the base body in sequence to form a NiMAlY layer and an Al layer; and then carrying out pre-oxidation treatment on the Al layer to form an Al2O3 layer so as to obtain the NiMA1Y / Al2O3 composite coating. The composite coating prepared by the preparation method has the advantages of excellent high temperature resistance property, heat and humidity resistance and heat and salt corrosion resistance and is suitable for being applied to surface protection of equipment key parts in severe environments, such as high temperature, heat salt and special mediums, involved in aerospace and marine environments.

The invention provides a polaroid which fits the surface of a substrate for filtering light transmitted through the substrate into polarized light. The polaroid comprises a polarizing layer, a strippable adhesive and a protecting layer, wherein a fitting adhesive is arranged on one side of the polarizing layer, and the polarizing layer fits the substrate through the fitting adhesive; the strippable adhesive is arranged on the other side, opposite to the side with the fitting adhesive, of the polarizing layer and can lose efficacy and be striped by adjusting the fitting environment temperature;the protecting layer fits the polarizing layer through the strippable adhesive for supporting and protecting the polarizing layer. After fitting between the polarizing layer and the substrate is completed, the fitting environment temperature is changed to remove the protecting layer along with the strippable adhesive so as to reduce the thickness of the polaroid.

The invention discloses multifunctional composite anti-rust oil for metal castings. The multifunctional composite anti-rust oil consists of the following raw materials in parts by weight: 20-30 parts of dewaxed kerosene, 20-30 parts of 46# machine oil, 1-2 parts of tetra sodium salt of amino trimethylene phosphonic acid, 1-2 parts of aistearoyl isopropoxy aluminate, 0.5-1 part of dialkyl diphenylamine, 0.1-0.3 part of dimethyl silicone oil, 0.5-1 part of tert-butylbenzoic acid, 1-2 parts of phthalate, 5-10 parts of rare earth film-forming hydraulic oil, 2-4 parts of naphthenic soap and 3-5 parts of an anti-rust assistant. The multifunctional composite anti-rust oil overcomes defects in the prior art; an oil film formed by the anti-rust oil is stable, dust adhesion can be reduced, the aesthetic property of the product is strengthened, the added anti-rust assistant is a metal substrate and provides a better protective effect, and the anti-rust time is prolonged.

A manufacturing method for a diffusion plate used for a high-reliability liquid crystal display is characterized in that firstly, plate glass is adopted as a substrate; secondly, the substrate is coated with glue evenly or according to a certain pattern design (I-type patterns, or double-Y-type patterns or fishbone-type patterns or others); thirdly, a diffusion film is attached to the glue, and pressure is exerted to enable the space between the diffusion film and the substrate to be covered with the glue; fourthly, the glue is solidified on the substrate, so that a glue layer is formed on the substrate and is reliable in gluing; finally, after the glue is solidified, the diffusion film is uncovered, the light evening function of the diffusion film is copied to the glue layer, and therefore the glass substrate is changed to be the diffusion plate with the light evening capacity. The manufactured diffusion plate has the advantages of being wide in temperature range, high in anti-impact and anti-vibration capacity, moisture-proof and heatproof capacity and reliability and the like.

The invention provides an adhesive composition, a protective film, a composite film and a device. The adhesive composition comprises an acryloyl polymer containing hydroxyl and a polyether modified alkane side siloxane polymer. The surface resistance of the protective film containing the adhesive composition is low, static electricity generated in the stripping or using process is reduced to a great extent, and therefore equipment losses are reduced. Moreover, the heat and humidity resistance is high, no residue exists on the surface of the device after stripping, and wide application is facilitated.

The invention discloses an ultra-thin bonded NdFeB magnet used for a computer CPU cooling fan and a preparation method thereof. The ultra-thin bonded NdFeB magnet is in a circular-ring shape, and thesurface of the magnet is provided with a corrosion resistant layer; the ultra-thin bonded NdFeB magnet is in a circular-ring shape and formed by one step until the tolerance of a final product is lessthan 0.03 mm. The formed ultra-thin bonded NdFeB magnet is strong in corrosion resistance, a test method disclosed by the GB / T18880 is used for detecting the magnet, and according to the detection result, the magnet can be obtained. The heat and humidity resistance and solvent resistance of the ultra-thin bonded NdFeB magnet with the anti-corrosion layer are good, and the magnet is not corroded and can meet the requirements of related respects.

The invention discloses a phosphorized polypropylene geogrid. The phosphorized polypropylene geogrid comprises the following raw materials in parts by weight: 110-120 parts of high-density polypropylene, 2-3 parts of asphalt, 4-6 parts of scolecite, 1-2 parts of ammonium dihydrogen phosphate, 1-2 parts of potassium phosphate, 0.6-1 part of erucyl amide, 0.6-1 part of pentaerythritol, 0.1-0.3 part of 2, 4- imidazolidinone, 2-3 parts of trioctyl phosphate, 0.1-0.2 part of butyltin mercaptide, 6-10 parts of blast furnace slag, 7-10 parts of wollastonite powder, 0.4-1 part of sdium chloride, 2-3 parts of rare earth adjuvant and 1-2 parts of aluminum nitride powder. The rare earth adjuvant added into the phosphorized polypropylene geogrid can sufficiently mix high-strength boron carbide with attapulgite and rare earth elements, and together with a preservative calcium acetate and a stabilizer polyvinylpyrrolidone and through surface treatment of a silane coupling agent, the formed adjuvant not only has good surface strength, good toughness, excellent weather resistance, strong corrosion resistance and good stability, and can effectively improve the overall quality of a finished product and improve adaptability to soil and resistance to outside pressure.

The invention discloses a rustproof wax water emulsion for an automobile chassis. The rustproof wax water emulsion is prepared by using an emulsification technology through the specific steps that microcrystalline wax and petroleum resins in a certain proportion are heated to be 100-120 DEG C for melting; a composite emulsifying agent is added and fully stirred; the temperature is reduced to be 90 DEG C; hot water with the temperature of 85-95 DEG C is continuously added and continuously stirred for 30 minutes at constant temperature so as to prepare composite paraffin emulsion; the composite paraffin emulsion is cooled to be below 50 DEG C; 0.05-0.15 percent of corrosion inhibitor solutions are added and continuously stirred for 10 minutes. Volatile toxic organic solvents are replaced by water, so that the convenience of application is improved, the working environment is improved, and the health of operators is guaranteed; under the premise of guaranteeing the rustproof protection effect, the unit cost is reduced by 40 percent. The rustproof wax water emulsion is milk-white even semitransparent liquid, fine in granularity, moderate in viscosity, good in film-forming property, fast in drying, high in adhesion, and high in hydrothermal resistant property and high in rustproof protection performance.

Multifunctional composite rust-preventative oil used for alloy castings is disclosed. The rust-preventative oil is prepared from 20-30 parts of dewaxed kerosene, 15-20 parts of propylene glycol, 15-20 parts of tetrasodium amino-tris(methylenephosphonate), 15-20 parts of distearoyl isopropoxy aluminate, 15-20 parts of dialkyl diphenylamine, 5-10 parts of dialkyl diphenylamine, 5-10 parts of methyl methacrylate, 10-20 parts of phthalate, 0.02-0.4 part of rare earth film formation hydraulic oil and 10-20 parts of naphthenic soap. The rust-preventative oil has advantages of oil film stability, and capability of reducing dust adhesion and enhancing product beauty. An added rust-preventative auxiliary agent provides better protecting effects for alloy substrates, and prolongs rust-preventative time.

The invention relates to a high-temperature and high-voltage resistant lead for aviation and a preparation method thereof. The high-temperature and high-voltage resistant lead comprises a plating 25%-32% nickel-copper alloy stranded conductor. The plating 25%-32% nickel-copper alloy stranded conductor is wrapped with a high-temperature resistant and fire-resistant internal insulating layer. The internal insulating layer is externally cross-wrapped with three composite tapes of polyperfluoroethylene propylene, polyimide and polytetrafluoroethylene in the forward and reverse directions as the outer insulating layer. The lead obtained by conductor twisting, wrapping inner insulation, wrapping outer insulation and insulation sintering methods has high overall tensile strength and has the performance of resisting 400 DEG C high temperature of the lead. The sintered formed lead can seal the insulating layer of the lead so that the lead has very high moisture and heat resistance.

The invention belongs to the technical field of circuit board manufacturing and relates to a chemical copper plating agent and a preparation method thereof. The chemical copper plating agent is composed of, by weight percentage, 0.03-0.04% of EDTA-2Na, 0.005-0.007% of copper sulfate, 0.003-0.007% of sodium hydroxide, 0.002-0.005% of EDTP, 0.002-0.004% of formaldehyde, 0.003-0.005% of methyl alcohol, 0.01-0.05% of adipic acid, 0.005-0.01% of succinic acid, and the balance deionized water. The chemical copper plating agent not only can meet the RoHS standard, but also has higher adhesive force and heat-wet resistance compared with CuCl2 system copper plating agents.

The invention discloses a fireproof energy-storage luminescent coating. The formula comprises the following raw materials in parts by weight: 280-320 parts of water, 1-3 parts of hydroxyethyl cellulose, 3-5 parts of a dispersing agent, 3-5 parts of a water quality stabilizer, 1-3 parts of a defoaming agent, 1-3 parts of a sterilizing agent, 1-3 parts of ethylene glycol, 1-3 parts of a water quality PH regulator, 180-220 parts of styrene-acrylic emulsion, 40-60 parts of elastic emulsion, 0.3-0.7 part of a defoaming agent, 8-12 parts of a coalescing agent, 350-450 parts of flame-retardant coated luminescent powder and 1-5 parts of a thickening agent. The invention also provides a preparation process of the fireproof energy-storage luminescent coating. According to the luminescent material, the styrene-acrylic emulsion is used as an adhesive, so that the coating has relatively high water resistance, heat and humidity resistance and freeze thawing resistance.