89 results about "Compound modifier" patented technology

A method and a system for making merging decisions for a translation are disclosed which are suited to use where the target language is a productive compounding one. The method includes outputting decisions on merging of pairs of words in a translated text string with a merging system. The merging system can include a set of stored heuristics and/or a merging model. In the case of heuristics, these can include a heuristic by which two consecutive words in the string are considered for merging if the first word of the two consecutive words is recognized as a compound modifier and their observed frequency f₁ as a closed compound word is larger than an observed frequency f₂ of the two consecutive words as a bigram. In the case of a merging model, it can be one that is trained on features associated with pairs of consecutive tokens of text strings in a training set and predetermined merging decisions for the pairs. A translation in the target language is output, based on the merging decisions for the translated text string.

The invention relates to a method using melt spinning to manufacture high performance polyvinyl alcohol fiber. It adopts intermolecular hydrogen compound for nitrogen compound, hydrophilicity auxiliary additive, compound modifier and polyvinyl alcohol to make modified polyvinyl alcohol. The modified polyvinyl alcohol is practiced melt spinning by extruding-spinning equipment to make polyvinyl alcohol as-formed fiber. It is formed to high performance polyvinyl alcohol fiber by multi-stage stretching, drying, and hot forming. The technique is simple, economic, environmental protection, and easy to realize industrialization production.

The invention relates to a carbon nanotube/polyvinyl alcohol high-tenacity intelligent cement mortar and preparation thereof. The carbon nanotube/polyvinyl alcohol high-tenacity intelligent cement mortar is prepared from, by weight, 0.3-0.7 part of carbon nanotubes, 9-18 parts of a polyvinyl alcohol colloidal solution, 80-120 parts of portland cement, 120-180 parts of sand, 25-32 parts of water and 0.1-0.2 part of a defoaming agent. The preparation process includes the steps that firstly, the polyvinyl alcohol colloidal solution is prepared; then, the carbon nanotubes are uniformly dispersed into the polyvinyl alcohol colloidal solution; then, a prepared carbon nanotube/polyvinyl alcohol prepolymerized solution is mixed into cement mortar as a compound modifier, and the carbon nanotube/polyvinyl alcohol compound modified mortar is obtained through the four procedures of stirring, vibrating, forming and curing. According to the cement mortar, in-situ polymerization of the carbon nanotubes and polyvinyl alcohol is achieved, the reinforcing effect of the carbon nanotubes and polyvinyl alcohol in a cement-based material is fully exerted, the cement mortar has unique advantages in mechanical properties, especially, fracture toughness, and the stress change in a base material can be reflected through the internal resistance change.

The invention discloses a magnesium oxysulfate cementing composite material for a prefabricated thermal insulation wallboard and a preparation method. The magnesium oxysulfate cementing composite material is prepared from, by weight, 10-20 parts of magnesium sulfate heptahydrate, 50-65 parts of water, 80-100 parts of light calcined magnesia, 2-15 parts of powdered filler, 1-10 parts of fibrous filler and 1-5 parts of compound modifier. The preparation method of the composite material comprises the steps that magnesium sulfate heptahydrate is prepared into an aqueous solution, light calcined magnesia and the powdered filler are added, stirring is conducted for 5 min, the compound modifier and the fibrous filler are added, stirring is continuously conducted for 10 min to 30 min, an obtained magnesium oxysulfate cementing material slurry is added into a mold paved with a non-woven cloth and a fiberglass mesh cloth, and curing molding is conducted. The prefabricated thermal insulation wallboard produced through the magnesium oxysulfate cementing composite material has the advantages of being high in strength and good in water resistance, and the problems of scumming, warping deformation and the like are avoided.

The invention provides a compound fertilizer for repairing cadmium contaminated soil. The compound fertilizer comprises nitrogen, phosphorus and potassium nutrition components and appropriate proportions of agricultural nitric acid rare earth, waste catalyst agent, humic acid mineral powder, meerschaum, plant ash, kaolin and zeolite components. When the compound fertilizer is applied to the cadmium contaminated soil, under the synergistic action of the components, the cadmium in the soil is effectively passivated and fixed, and meanwhile the contaminated soil is effectively repaired, so that the activity of the cadmium in the soil is significantly reduced, the compound fertilizer is beneficial for reducing the absorption of cadmium by crops, and then the cadmium content in the crops is significantly reduced. The compound modifier provided by the invention is relatively good in stability and environment-friendliness, does not generate secondary pollution, and is low in cost and easy to popularize in a large area, and when applied to the cadmium contaminated soil, the applied amount is only 10-200kg/hm<2>, and the cadmium content in the crops can be significantly reduced to reach a national edible safety standard.

The invention discloses hypoeutectic high-chromium cast iron for a slurry pump blade and a heat treatment process. The cast iron comprises chemical components by weight percentage: 2.6-2.8 percent of C, 26-32 percent of Cr, 0.5-0.7 percent of Si, 0.3-0.6 percent of Mn, 0.2-0.4 percent of Ni, 0.1-0.2 percent of Mo, 0.02-0.04 percent of Cu, less than or equal to 0.05 percent of P, less than or equal to 0.05 percent of S and Fe in balancing amount. The heat treatment process comprises the following steps: smelting the cast iron in an electric furnace; performing composite modification treatment on the molten iron by using a Re-V-Ti-Bi-Mg compound modifier; performing pilling treatment; performing stress relief annealing; machining; and quenching and tempering; a carbide can be changed in form into dispersed masses, so as to reduce the fragmentation effect on a substrate material; and an impeller product of a slurry pump, with high performances and a long service life, can be obtained.

The invention discloses a preparation method of an attapulgite mycotoxin adsorbent with an antibacterial function. The preparation method comprises the following steps: firstly, modifying attapulgite by adopting inorganic sulfuric acid and an organic acid salt compound modifier with the antibacterial function; secondly, adding a betaine surfactant to carry out surface charge regulation and control on the attapulgite to obtain the attapulgite mycotoxin adsorbent with the antibacterial function. A product provided by the invention can be used for effectively removing mycotoxin in feed; meanwhile, the product has the antibacterial function and the dosage of antibiotics in the feed is replaced or reduced.

The invention provides a special modifier for saline-alkali soil cotton fields. The modifier comprises fermented cotton stalks, phosphogypsum and sulfur. The modifier is rich in organic matters, phosphogypsum and sulfur, applicable to medially-strongly saline-alkali soil cotton fields featured by high soil salinity, high pH, strong calcareous property, poor physical structure of soil and the like, capable of quickly modifying the saline-alkali soil and suitable for the growth of crops; furthermore, if the modifier is used for a long time, the fertilizer maintaining and water retaining capabilities of soil also can be improved; a preparation method of the special modifier for the saline-alkali soil cotton fields is simple in material blending and low in production cost; a compound modifier is prepared preferably from a plurality of industrial and agricultural wastes according to physical, chemical and biochemical principles; the compound modifier is rationally applied to soil according to the different saline-alkali degrees of the cotton fields, and as a result, the soil fertility is increased, the soil structure is improved, the soil alkalinity is neutralized, the salt elimination rate of the soil is increased and the growth of cotton is promoted.

The invention discloses pre-hardened plastic die steel having high acid corrosion resistance. According to the die steel, proportions of elements such as Cr, Mo, V, Mg and the like are properly increased on the basis of proportions of elements of traditional pre-hardened plastic die steel, meanwhile, usage amounts of other alloy elements are controlled, mechanical properties and processability of an alloy material are further improved on the basis that mechanical properties of the traditional plastic die steel are guaranteed, the die steel has the excellent acid corrosion resistance and is low in corrosion ratio at the high temperature, the surface is not abraded easily, by means of an added compound modifier formed by coating a nano tungsten carbide with rare-earth oxide-graphene oxides, the organizational structure of the die steel is refined, the interfacial compatibility among crystals is improved, strengthening and toughening effects are significant, and the modification effect is uniform and stable. A preparation method of the die steel is simple and efficient, the manufacturing period is short, and the die steel is durable, can effectively improve surface quality of plastic pieces and has great production and application value.

The invention discloses an anticorrosive paint containing dimethyl sulfoxide. The anticorrosive paint is composed of a component A and a component B, wherein the component A is prepared from the following raw materials in parts by weight: 84-90 parts of epoxy resin E44, 10-15 parts of high chlorinated polyethylene resin, 10-15 parts of precipitated barium sulfate, 1-2 parts of titanium tetrafluoride, 2-4 parts of sodium monofluorophosphate, 2-4 parts of dimethyl sulfoxide, 2-3 parts of ethylene glycol monobutyl ether, 2-4 parts of ethyl acrylate, 3-5 parts of urea, 2-3 parts of polyacrylamide, 2-3 parts of diethylamine, 2-3 parts of diphenylmethane diisocyanate, 3-5 parts of diisooctyl phthalate, 1-2 parts of ethylene diamine tetra methylene phosphonic acid sodium, 5-7 parts of hydrotalcite, 1-2 parts of dimethylethanolamine, 15-20 parts of compound modifier, 25-30 parts of dimethylbenzene, 10-15 parts of n-butyl acetate, 0.8-1 parts of dilauryl thiodipropionate, 0.8-1 parts of vinyltriethoxysilane and 0.5-1 part of methyl silicone oil. A paint film prepared by the invention has the advantages of good adhesive force to metal, small structure pores, compact structure, good adhesive force, good flexibility, high impact strength and strong corrosion resistance, and plays an efficient protection effect on base metal.

The invention provides compound slow release fertilizer for repairing cadmium-contaminated soil. The fertilizer comprises nitrogen, phosphorus and potassium nutrition components, rare earth nitrate for agricultural use, a waste catalyst, polyhydroxyalkanoate, humic acid mineral powder, sepiolite, plant ash, kaolin and a zeolite component, wherein the rare earth nitrate for agricultural use, the waste catalyst, the polyhydroxyalkanoate, the humic acid mineral powder, the sepiolite, the plant ash, the kaolin and the zeolite component are proportioned properly. After the fertilizer is applied to the cadmium-contaminated soil, under the synergistic effect of all the components, cadmium in the soil is effectively passivated and fixed, the polluted soil is effectively repaired, the activity of cadmium in the soil is reduced remarkably, the cadmium absorbability of crops is reduced, and then the content of cadmium in crops is reduced greatly. A compound modifier has high stability and environment friendliness, secondary pollution is avoided, cost is low, and large-area popularization is easy. Only 10-200 kg/hm2 fertilizer needs to be applied to the cadmium-contaminated soil to remarkably reduce the content of cadmium in crops, so that the crops meet the national food safety standard.

The invention discloses an in-situ emulsification modification method for nano calcium carbonate for a polyurethane sealant. The in-situ emulsification modification method includes the following steps: adding carbonized nano calcium carbonate slurry and an emulsifier, stirring, mixing, and homogenizing; adding a compound modifier, carrying out high shearing emulsification, continuing to stir, carrying out shear refining and depolymerizing; and aging, thickening, filter-pressing, drying, crushing and grading. The method has the beneficial effects that the formation of nano calcium carbonate inclusions is reduced, the pH and the water content of the product are lowered, the fineness and thixotropy of a powder are improved, the viscosity is effectively controlled, and the method is simple in whole technological process, strong in controllability, high in reliability, and easy to industrialize and promote.

The invention relates to a method for preparing a silica gel supported titanium-magnesium catalyst, which is to treat a silica gel carrier by the steps of: placing silicon dioxide into a gas phase fluidized bed activator, taking high-purity nitrogen as carrier gas, increasing the temperature to between 200 and 800 DEG C, and performing temperature programmed dehydration for 4 to 10 hours; adding an alkane solvent into the dehydrated silicon dioxide, adding an alkyl metal compound, and evaporating the alkane solvent, wherein the weight ratio of Al to Si is equal to 0.05-0.1:1; adding the alkane solvent, at least one halogen-containing silane compound and at least one electron donor compound modifier containing halogen atoms into the silicon dioxide which is subjected to the surface treatment, and heating to evaporate the alkane solvent; and supporting a reaction product of a titanium compound, a magnesium compound and an electron donor on treated silica gel, and taking alkyl aluminum as a cocatalyst for ethylene polymerization on a gas phase fluidized bed. The method has the advantages of high polymerization activity, high bulk density of polymerization products, less fine powder and the like, and can produce high-quality polyethylene resins.

The invention relates to a gasoline engine piston material and a preparation method thereof. The synthetic material comprises the following chemical constituents: Si, Fe, Cu, Mn, Mg, Ni, Zn, Ti, Pb and Al. The preparation method comprises the following steps: firstly, feeding an aluminum ingot into a smelting furnace, so as to heat and melt the aluminum ingot, feeding and stirring low-temperature a dregs remover, so as to adsorb impurities, continuously feeding other chemical constituents, heating until all the chemical constituents are completely molten, secondly, feeding a phosphate compound modifier to perform refining modification treatment, thirdly, feeding a high-temperature dregs remover, stirring the liquid level, then degassing and leaving to stand, fourthly, casting through a metal mold, and fifthly, performing T6 heat treatment on qualified piston blanks. According to the method, the constituents of aluminum alloy pistons is improved in terms of formula, the high-temperature strength, heat stability and strength of the aluminum alloy pistons are improved, meanwhile, the preparation method is improved, the mechanical property of the aluminum alloy pistons is improved, so that the aluminum alloy pistons can meet the requirements for recast supercharged direct injection pistons in the gasoline engine, and the production cost is reduced.

The invention discloses an anticorrosive paint containing sepiolite powder. The anticorrosive paint is composed of a component A and a component B, wherein the component A is prepared from the following raw materials in parts by weight: 80-90 parts of epoxy resin E44, 10-15 parts of high chlorinated polyethylene resin, 8-15 parts of titanium dioxide, 2-3 parts of sepiolite powder, 4-6 parts of sodium carboxymethylcellulose, 2-4 parts of dimethyl sulfoxide, 2-4 parts of 1-methyl anyl alcohol, 2-4 parts of ethyl acrylate, 2-3 parts of urea, 2-3 parts of polyacrylamide, 2-3 parts of diethylamine, 2-3 parts of tricresyl phosphate, 1-2 parts of lead sulfate tribasic, 5-7 parts of nanometer zinc powder, 2-4 parts of dimethylethanolamine, 18-25 parts of compound modifier, 25-30 parts of dimethylbenzene, 10-15 parts of n-butyl acetate, 0.8-1 parts of 3-glycidyl ether oxygen propyl trimethoxy silane and 0.5-1 parts of methyl silicone oil. A paint film prepared by the invention has the advantages of good adhesive force to metal, small structure pores, compact structure, good adhesive force, good flexibility, high impact strength and strong corrosion resistance, and plays an efficient protection effect on base metal.

The invention relates to an anode material of a battery, mainly relates to a preparation method of an anode material of a lithium ion power battery and belongs to the field of lithium ion power battery manufacturing. The preparation method sequentially comprises the following steps: (1) mixing thermosetting resin and an organic solvent, then adding graphite raw material, subsequently adding a curing agent, then removing the organic solvent contained in the mixture, and curing; (2) dispersing the thermosetting resin-doped mixture in a dispersing agent for 1-2 hours in a way of mixing and ball milling, and then drying; (3) adding a compound modifier into the dried and cured mixture, and heating to obtain a mixture subjected to compound modification; and (4) vapor depositing a silicon-carbon organic matter precursor on the mixture subjected to compound modification at the temperature of 500-1500 DEG C under the pressure of 1-2MPa, thus obtaining a carbon anode material with the surface coated with carbon and silicon, namely the anode material of the lithium ion power battery, which has the advantage of the improved electrical performance.

The invention discloses a compound modifier-containing anticorrosive coating which comprises two components A and B, wherein the component A comprises the following raw materials in parts by weight: 75-85 parts of epoxy resin E51, 15-20 parts of high chlorinated polyethylene resin, 5-10 parts of titanium dioxide, 3-5 parts of aluminium silicate, 3-5 parts of sodium dodecyl sulfate, 2-4 parts of sodium diacetate, 3-4 parts of coumarone, 3-4 parts of ethyl acrylate, 4-6 parts of nanometer argil, 2-3 parts of polyacrylamide, 2-3 parts of diethylamine, 2-3 parts of dibutyl phthalate, 4-6 parts of ethylene glycol, 3-4 parts of ferrocene, 1-2 parts of ethylene diamine tetra (methylene phosphonic acid) sodium, 2-3 parts of triethanolamine, 1-2 parts of fatty alcohol-polyoxyethylene ether, 10-16 parts of compound modifier, 25-30 parts of dimethylbenzene, 8-10 parts of n-butyl alcohol, 0.8-1 part of N-phenyl-3-amino propyl trimethoxy silane and 0.5-1 part of simethicone. The coating disclosed by the invention has the advantages of good adhesive force to metal, small structural pore, compact structure, excellent adhesive force, good flexibility, high impact strength and good corrosion resistance, and is capable of playing an efficient protection role to base metal.

The invention provides a composite environment-friendly fireproof board which comprises the following components in parts by weight: 50-80 parts of magnesium-aluminum composite gel material, 0-20 parts of hollow floating beads, 2-20 parts of expanded vermiculite, 8-32 parts of at least one of crop straws, saw wood dust and grain bran meal, 5-20 parts of coal dust, 2-8 parts of flame-proofing agent and 1-10 parts of compound modifier. The wallboard has the advantages of excellent fireproof and sound-isolating performances, high strength, no halogen return, no frost return and waterproofness and can be sawed and nailed, industrial and agricultural wastes are comprehensively utilized, and no three wastes are generated in production. The board is mainly used for non load bearing partitions.

The invention discloses a compound modified zinc alloy, which is prepared by adding a rare earth and nickel-titanium compound modifier in a conventional die-cast zinc alloy production process and smelting. The compound modified zinc alloy comprises the following components in percentage by weight: 3.9-4.0% of aluminum, 0.03-0.04% of magnesium, less than 0.07% of impurity ingredients containing lead, iron, cadmium, tin and the like and the balance of zinc; and the compound modifier is a complex of rare earth metal and a nickel-titanium additive and accounts for 0.00020-0.0050% by weight. The modified zinc alloy disclosed by the invention has the advantages of excellent mechanical property and machining performance, low melting point temperature, good corrosion resistance, difficulty in cracking and deformation, high surface smoothness of a die-cast piece, extremely excellent balance between physical property and mechanical property and excellent castability, and is suitable for various die-cast pieces.

A preparation method of aluminum hydroxide-coated talc powder specially used for flame-retardant cable materials. In this method, high-quality talc raw ore is crushed, aluminum sulfate is added with water, and a slurry with a solid content of 70-75% is formulated according to a certain mass ratio, and the slurry is stirred After reaching a certain temperature during the process, add a dispersant and a certain quality of sodium hydroxide and stearic acid, and then wet-grind with constant temperature and high-speed stirring to obtain a 6000-mesh composite slurry, which is depolymerized and dispersed, and compound modified The powder is modified by the agent, and the aluminum hydroxide-coated talc powder for flame-retardant cable materials is finally obtained. The invention can grind the powder particles to 6000 mesh through the wet grinding ultrafine powder processing technology, and the BET specific surface area is greater than or equal to 10 m ² /g. At the same time, the process of deaggregation and dispersing is adopted to effectively disperse the powder and maintain the particle size of the original particles. The invention adopts a composite modification process to modify the powder, and the activation degree of the product is greater than 97%. The invention coats the aluminum hydroxide on the surface of the talcum powder, which solves the problem that the cable is easy to catch fire when subjected to high temperature and high pressure.

The invention relates to a compound modifier for widening the using temperature range of a bituminous mixture and a preparation method thereof. The compound modifier is prepared from, by weight, 45-70% of PE regenerated particles, 25-50% of active rubber powder and 2-5% of graft-modified eucommia ulmoides gum. The preparation method of the compound modifier includes the steps that the PE regenerated particles, the active rubber powder and the graft-modified eucommia ulmoides gum are mixed to be uniform in a mixer in proportion, the mixture is added into a single-screw extruder, melt extrusion is carried out at the temperature of 240-300 DEG C and the screw rotating speed of 30-100 rpm, water-cooling wiredrawing, sized dicing and drying are carried out, and the compound modifier is obtained. By means of the compound modifier, the high-temperature anti-track performance and low-temperature anti-cracking performance of the bituminous mixture can be remarkably improved, in other words, the using temperature range of the bituminous mixture is widened.

The invention belongs to edible mushroom culture mediums and particularly relates to a grifola frondosa production culture medium and application thereof. The grifola frondosa production culture medium comprises main raw materials, excipients and acid compound modifiers. The invention further provides a method for utilizing the grifola frondosa production culture medium to cultivate grifola frondosa. The method comprises the steps of preparing the grifola frondosa production culture medium; preparing the acid compound modifiers into aqueous solution to be mixed with other components; performing inoculated culture; and performing cultivation. According to technical solution, compared with the prior art, the grifola frondosa production culture medium causes grifola frondosa spawn running speed to be quick, the strain after-ripening time is long, the yield per unit is high, the biological efficiency is high, and the cultivation cycle is shortened greatly.

The invention discloses a rear earth solution-glass fiber compounded bamboo material modification treatment method. The rear earth solution-glass fiber compounded bamboo material modification treatment method comprises preparing silane coupling agent KH550 and absolute ethylene alcohol into a solution, uniformly mixing nanosilicon dioxide and chitosan, then uniformly spraying the mixture onto bamboo material samples, and naturally drying the bamboo material samples; processing the preprocessed bamboo materials in vacuum inside a vacuum drying vessel for absorbing crosslinking polymer processing liquid, then extracting and drying the processed bamboo materials to constant weight, and then heating the dried bamboo materials to an oven dry state; soaking the bamboo materials into plasticizer,placing the soaked bamboo materials inside a processing tank, vacuumizing the processing tank, inletting nitrogen for pressurizing, holding the pressure and then depressurizing the processing tank, continuing to soak the bamboo materials, heating the bamboo materials for solidification, reducing the temperature, heating and drying the solidified bamboo materials to an oven dry state, and coolingthe bamboo materials down; uniformly mixing a rear earth solution modifier with KH570 modified glass fiber to obtain a compound modifier, and soaking the plasticized and modified bamboo materials formodification, and performing washing and then drying the modified bamboo materials in a drying oven.

The invention discloses a preparation method of a modified polyvinylidene fluoride hybrid film. The preparation method disclosed by the invention comprises the steps of preparing a fluorine-containing amphipathic film modifier, preparing fluorine-containing amphipathic film compound modifier solution and finally preparing the modified polyvinylidene fluoride hybrid film, wherein the fluorine-containing amphipathic film modifier is prepared by taking hexafluorobutyl acrylate and acrylic acid as the raw materials, azodiisobutyronitrile as an initiator and ethanol as a solvent through a sequence dropping method under the protection of nitrogen; the modifier is blended with butyl titanate, so that the compound modifier solution is prepared; and the compound modifier solution is mixed with polyvinylidene fluoride solution, so that the modified polyvinylidene fluoride hybrid film is prepared through a phase inversion method. The preparation method of the modified polyvinylidene fluoride hybrid film and application thereof disclosed by the invention have the advantages that the preparation method of the hybrid film is moderate in process and simple and easy to do; the prepared hybrid film is excellent in property; when the hybrid film is used for processing emulsified oil, the interceptive rate to emulsified oil is up to 99.9%; the flux attenuation is as low as 22%; and the washing flux recovery capacity can be higher than 99%.