92 results about "Aluminum acetylacetonate" patented technology

The invention relates to a method for preparing an aluminum oxide nanofiber by electrostatic spinning, comprising the following steps: (1) dissolving a polymer in a solvent to obtain a polymer solution and then pouring the polymer solution into an aluminum acetylacetonate solution to obtain a precursor solution; (2) carrying out spinning on the precursor solution; and (3) exposing as-spun fibre to the air, then sintering the exposed as-spun fibre, and naturally cooling the as-spun fibre to obtain the aluminum oxide nanofiber. With the precursor solution, the smooth electrostatic spinning can be ensured, the content of aluminum in the system can be improved and the strength of the alumina fibre can be enhanced.

The invention provides a synthetic method of a spinning grade polyaluminocarbosilane precursor. The method is characterized in that polycarbosilane with suitable molecular weight and molecular weight distribution, adopted as a raw material, reacts with aluminum acetylacetonate to prepare the precursor with excellent spinnability.

The invention discloses a preparation method of cardanol modified phenolic resin. The method comprises steps that: 16 to 24 parts of phenol by weight, 5 to 9 parts of cardanol by weight and 10 to 14 parts of formaldehyde by weight are well-mixed in a reaction vessel; 2600 to 2700 parts of sulfuric acid by weight are added to the mixture, wherein the weight percentage concentration of sulfuric acid is 2%; the mixture is heated to a reflux state, and is subject to a reaction for 40 to 60min; the mixture is evacuated and the state is maintained for 40 to 50min, such that the mixture is dehydrated; the dehydrated mixture is cooled to a temperature of 65 DEG C; 4.6 to 8.6 parts of formaldehyde by weight is added to the mixture, and the mixture is heated to a reflux state; the temperature of the mixture is maintained for 2 hours, and the mixture is evacuated and dehydrated until transparent; the mixture is cooled to a temperature of 65 DEG C; 13 to 17 parts of toluene by weight, 13 to 17 parts of ethanol by weight and 20 to 25 parts of epoxy 6101# is added to the mixture, wherein the weight percentage concentration of ethanol is 95%; the mixture is stirred for 20 to 40min; aluminum acetylacetonate is added to the mixture for regulating a gel time to 90-120s/180 DEG C; when the gel time reaches 90-120s/180 DEG C, 3 to 7 parts of magnesium hydroxide by weight is added to the mixture; the mixture is well-mixed, and the obtained material is discharged. According to the invention, tung oil is completely replaced by cheap cardanol, and cardanol is subject to a reaction with formaldehyde, such that cardanol modified phenolic resin is synthesized. Therefore, cost is further reduced, and the heat resistance and cold punching performance of the material are improved.

The invention relates to an automobile exhaust PM2.5 pollutant treatment agent added in fuel oil. The formula of the treatment agent comprises the following components by weight percent: 10%-30% of methanol, 0.03%-0.07% of ferrocene, 13%-16% of butanol, 0.5%-0.8% of nanometer lanthanum oxide, 0.6-0.9% of nanometer cerium oxide, 0.05%-0.08% of potassium permanganate, 13%-15% of methyl isopropyl ether, 0.1%-0.5% of aluminum acetylacetonate, 12%-18% of dodecyl alkenyl succinic acid, 1%-3% of urea, 5%-10% of isopropanol, 1%-5% of multi-alkenyl succinimide, 0.02%-0.05% of manganese dioxide and 10%-30% of ethanol. The treatment agent is prepared through simple processes such as mixing, stirring, precipitating and filtering. The automobile exhaust PM2.5 pollutant treatment agent is non-toxic, has no bad smell, does not corrode the equipment and can be used to increase the power of the engine and greatly reduce the emission of PM2.5 in the exhaust; and after 10-20g of the automobile exhaust PM2.5 pollutant treatment agent added in fuel oil is added in 1L of oil and the engine runs for 10min, the effect can be realized and the PM2.5 concentration of the exhaust discharged by the kerosene internal combustion engine can be reduced from 330mg/m<3> to 60mg/m<3>.

The invention discloses an aluminum oxide/titanium oxide heterojunction nano fiber carrier in an anti-sintering precious metal catalyst system as well as a preparation method and application of the carrier. The preparation method comprises the following steps: dispersing PVP into ethyl alcohol, stirring and dissolving to obtain a PVP ethyl alcohol solution; taking glacial acetic acid to be added into the solution, and adding titanium isopropoxide; dispersing aluminum acetylacetonate into an organic solvent, mixing and stirring the two solutions to obtain a precursor solution, adopting an electrostatic spinning method, indrawing the precursor solution in an injector, inserting the injector into a trace injection pump, connecting with an electrode, adjusting the flow speed and the voltage of an electrostatic field, wherein the distance from a syringe needle to a receiver is 5-15cm, and controlling the indoor humidity to be 30-50%, thereby obtaining nano fibers; sintering the nano fibers obtained by the electrostatic spinning method in a muffle furnace, thereby obtaining the aluminum oxide/titanium oxide heterojunction nano fiber carrier. The catalyst carrier disclosed by the invention is short in preparation cycle, simple in process, low in energy consumption, high in productivity, and good in reproducibility.

The invention discloses a preparation method of paint calcium carbonate with high activating rate and low oil absorption value. The paint calcium carbonate is prepared from the following raw materials of broken calcium carbonate, a grinding aid, triethanolamine oleic soap, aluminum acetylacetonate, vanadium pentoxide, diethylene triamine sodium pentacarboxylate, a modifier, trimethylolpropane tris(3-aziridinylpropanoate), phthalandione bis(2-ethyl hexoate) ester, modified polyacrylate, hexenyl distearamide, 2-(2'-hydroxyl-3',5'-ditert phenyl)-5-benzotriazole chloride, polyacrylamide and a stabilizer. The paint calcium carbonate is prepared by the steps of stone cleaning, decontaminating, dewatering, breaking, grinding, surface modifying, performance adjusting, smashing, drying and the like. The paint calcium carbonate disclosed by the invention has the advantages of small agglomeration, good dispersion, high activating rate and low oil absorption value when being added into a high-molecular polymer.

The invention discloses a high-performance lithium ion battery aluminum-based negative electrode material and a preparation method thereof, and belongs to the technical field of inorganic advanced materials. The aluminum-based negative electrode material is a three-dimensional long-range ordered structure formed by compounding aluminum nanosheets and carbon nanotubes, has less oxide layer and a high bulk density, and has excellent cycle stability and excellent rate performances as an active substance for a lithium ion battery negative electrode. The preparation method comprises the following steps: a, preparing a reaction solution: adding the carbon nanotubes to a two-necked flask containing anhydrous trimethylbenzene, performing heating and stirring at 60 DEG C, and sequentially adding aluminum trichloride, aluminum acetylacetonate and a reducing agent lithium aluminum hydride to the above system; and b, performing a reduction reaction: raising the reaction temperature to 120-165 DEGC, and performing the reaction for 2-12 h to obtain a crude product of the above compound. The aluminum-based negative electrode material has the advantages of low cost, mild preparation conditions, large scale production, and good application prospect in the field of lithium ion batteries.

An anti-aging adhesive for corrugated boxes, made of the following raw materials in parts by weight: 25-35 parts of potato starch, 15-30 parts of sweet potato starch, 5-10 parts of chlorosulfonated polyethylene rubber, 5-10 parts of nitrile rubber 10 parts, 8-9 parts of nano-graphene, 10-12 parts of talc, 7-14 parts of aluminum triacetylacetonate, 7-14 parts of propylene oxide phenyl ether, N-tert-butyl-2-benzothiazolium 7‑14 parts of sulfonamide, 0.5‑1.5 parts of cyclohexanone oxime, 6‑7 parts of linoleic acid, 45‑62 parts of water, 20‑26 parts of modified antioxidant. The adhesive of the present invention has very good anti-aging performance, will not degrade in an oxygen-enriched environment, will not open the glue under strong ultraviolet radiation, and has a service life 40-50% longer than that of ordinary adhesives, and the metal ions in the composition It forms strong ionic bonds with functional groups, making it more cohesive.

The invention discloses a multifunctional liquid efficient fuel-coal sulfur-fixing agent and a preparation method thereof. The multifunctional liquid efficient fuel-coal sulfur-fixing agent comprises lanthanum oxide, cerium oxide, vanadium oxide, nano-titanium oxide, nano-zinc oxide, nano-nickel oxide, nano-calcium carbonate, nonylphenol polyoxyethylene ether, octylphenol polyoxyethylene ether, fatty alcohol-polyoxyethylene ether, oily penetrating agents, polydiethylene glycol monooleate, glycerol, polymeric glycol, propylene glycol polyoxyethylene polyoxypropylene ether, dimethyl polysiloxane polyether, dehydration sorbitol monooleate and the balance diethylene glycol. According to the technical scheme, yttrium oxide, aluminum acetylacetonate and polyoxyethylene ether are added. The sulfur-fixing efficiency of the multifunctional liquid efficient fuel-coal sulfur-fixing agent can reach 99% or more, the denitration efficiency of the sulfur-fixing agent can reach 50% or more, the combustion rate and the burn-off rate of coal can be sufficiently increased, the ignition point of the coal is remarkably reduced by 50 DEG C or more, the combustion efficiency of the coal is improved by 25% or more, so that combustion environments are reasonably improved, and boiler coking is prevented and removed.

The invention discloses modified calcium carbonate for paint. The modified calcium carbonate is prepared from the following raw materials in parts by weight: 182-205 parts of calcium carbonate broken parts, 4.5-6.4 parts of a grinding aid, 3.6-6 parts of triethanolamine oleic soap, 0.4-0.8 parts of aluminum acetylacetonate, 0.2-0.3 parts of vanadium pentoxide, 0.6-1 part of sodium diethylenetriaminepentacarboxylate, 0.2-0.4 parts of a regulator, 0.5-0.7 parts of a coupling agent, 1.5-2.8 parts of bis(2-ethylhexyl) phthalate, 0.4-0.7 parts of modified polyacrylate, 0.3-0.5 parts of N,N'-ethylenebis(stearaimde), 0.3-0.5 parts of 2-(2'-hydroxy-3', 5'-ditert-phenyl)-5-benzotriazole chloride, 0.2-0.4 parts of polyacrylamide and 0.4-0.8 parts of a stabilizer. The modified calcium carbonate for the paint has high activation rate, low oil absorption value and good compatibility with high polymer.

The invention discloses a polyving akohol chrome-free corrosion-resistant silane passive film. The polyving akohol chrome-free corrosion-resistant silane passive film is prepared from, by weight, dodecafluoroheptyl methacrylate, hexafluorobutyl methacrylate, a silane coupling agent KH560, azodiisobutyronitrile, a silane coupling agent KH570, a proper quantity of a silane coupling agent KH858, imvite, triethoxy methyl silane, aluminum acetylacetonate, polyether amine, ammonium metavanadate, hexafluorotitanic acid, sodium molybdate, trisodium phosphate, silica sol, polyving akohol, a proper amount of absolute ethyl alcohol, a proper amount of tetrahydrofuran, a proper amount of isopropanol, a proper amount of dilute hydrochloric acid, a proper amount of dilute nitric acid and a proper amount of deionized water. Prepared passivating liquid can form a film layer on the surfaces of various kinds of substrates, the adhesive force is high, the compactness is good, the film is high in abrasion resistance, oil resistance, salt mist resistance and alkali resistance, and the film is free of pollution to the environment, harmless to human bodies and worthy of popularization.

The invention discloses a low dielectric constant polyimide film and a preparation method thereof. The preparation method comprises: taking a certain amount of aluminum acetylacetonate, uniformly dispersing in a synthesized polyamic acid solution, paving by using the obtained composite resin solution to form a film, and carrying out thermal imidization to prepare the low dielectric constant polyimide film. Compared with the prior art, the method of the present invention has the following characteristics that aluminum acetylacetonate is used as the pore-forming agent, and can be sublimated andvolatilized during the thermal imidization of polyimide, such that the holes are left in the polyimide matrix, and the hole forming process is simple, easy-performing, safe and environmentally friendly; and the prepared low dielectric constant polyimide film has characteristics of uniform air hole distribution, low dielectric constant and good mechanical property, and has good application prospects in the fields of electronics, microelectronics, and the like.

The invention relates to a synthesis method of high-performance phenyl block silicon resin. The method comprises the following steps: taking phenyl trichlorosilane, diphenyl dichlorosilane, methyl phenyl dichlorosilane, methyl trichlorosilane, a solvent and dihydroxy polytrifluoropropyl methyl siloxane as raw materials, and one or more of aluminum triisopropoxide, aluminum triacetylacetonate, isopropoxy distearoyloxy aluminate, triethyl propyl aluminate and tribenzyl aluminate as catalysts, and carrying out hydrolysis, prepolymerization, washing, dehydration, condensation and desolvation to obtain the phenyl block silicon resin. Fluorine groups are introduced, so that the phenyl silicone resin has lower surface energy and excellent oil resistance, antifouling property and anti-sticking property. The synthetic silicon resin can be cured into a transparent film at room temperature, and the prepared coating adhesive has the tensile strength of 5 Mpa or above and the shore hardness of 80 angstroms. The branched silicon resin and the straight-chain siloxane are combined, so that the silicon resin has better flexibility and flexibility, and the possibility of needing an application material with certain toughness in some high-temperature occasions is provided.

The invention discloses a technique method of coating an inorganic strengthening layer on the surface of polyphenylene sulfide fiber. Polyphenylene sulfide fiber precursor is synthesized from raw materials of sodium sulfide and p-dichlorobenzene and spinned by melt spinning. The hot stretching treatment is implemented on the fiber precursor to obtain finished fiber. Then, the finished fiber is impregnated and pre-coated. Isopropanol solution containing one of film forming matters of lactic acid titanium, triethanolamine titanium, aluminum acetylacetonate, Zirconium Butoxide and zirconium n-propoxide is used for impregnated material. After the air drying at 20 DEG C and the heat treatment at 600-760 DEG C and normal pressure, the inorganic strengthening layer which is 1-100 micrometers is obtained on the surface of the polyphenylene sulfide fiber. Then, polyphenylene sulfide composite fiber which is provided with the inorganic strengthening layer on the surface is obtained. The polyphenylene sulfide composite fiber obtained through the method of the invention is provided with high temperature strength retention and is especially applicable to professional filtering materials which are professionally used for thermal power generation, waste incinerators, chemical filtering, etc.

The invention discloses a water-soluble double-sided adhesive tape and a double-sided adhesive tape cutting apparatus, wherein the water-soluble double-sided adhesive tape has a four-layer structure,and sequentially comprises release paper, an acrylate polymer layer, water-soluble paper and an acrylate polymer layer, and the acrylate polymer layer mainly comprises: a viscous monomer, a cohesive monomer, a cross-linking monomer, methanol, ethyl acetate, an initiator, a surfactant and a curing agent aluminum acetylacetonate. According to the present invention, the double-sided adhesive tape prepared from the high-performance acrylate polymer has high initial adhesion and good water solubility, the connecting point does not easily slide and shift when the double-sided adhesive tape is used in the paper overlapping process in papermaking and printing industries, and the double-sided adhesive tape can be quickly dissolved in water after being used so as not to affect the recycling of products; and the double-sided adhesive tape cutting apparatus can cut to obtain multiple double-sided adhesive tape sections at a time so as to solve the problems of more steps, time consuming and labor consuming of the traditional multi-section cutting.

The invention discloses a microporous ceramic used for processing sewage. The microporous ceramic comprises the following raw materials in parts by weight: 30-42 parts of dimethyl sulfoxide, 5-10 parts of magnesium oxide, 10-18 parts of trichloromethane, 5-10 parts of iron oxide, 11-15 parts of cerium acetylacetonate, 1-4 parts of antimony oxide, 10-22 parts of silicon nitride, 2-5 parts of barium carbonate, 3-10 parts of magnesite, 5-8 parts of dimethylaniline, 20-30 parts of porcelain stone, 1-8 parts of quartz powder, 2-5 parts of allophone, 5-10 parts of aluminum acetylacetonate, 1.5-2.5 parts of polycarbosilane, 2-5 parts of cresol, and 3-5 parts of wollastonite. The microporous ceramic selects a plurality of raw materials with reasonable ratio, the size of the aperture can be controlled in a small scope, the finally produced microporous ceramic has stable and efficient filtering capability. The raw material configuration can uniformly distribute heat during a ceramic sintering process, so that the aperture distribution on the ceramic is more uniform, and the filtering capability stability can be guaranteed.

The invention discloses super abrasion-resistant rubber. The super abrasion-resistant rubber is prepared from the following substances in parts by weight: 50 parts of buna-n rubber, 30 parts of carbon black, 20 parts of zinc oxide, 2 parts of stearic acid, 1 part of sulfide, 2 parts of lead tetroxide, 2 parts of titanium dioxide, 3 parts of anti-aging agent, 0.5 part of accelerant, 0.6 part of scorch retarder and 1 part of zinc stearate; and the accelerant is any one or a combination of two of triethylene diamine, stannous octoate or aluminum acetylacetonate. Compared with the prior art, by adjusting the ratio of the formula, the abrasion resistant degree of the rubber can be achieved, and the high temperature resistance and the stretching resistance can be improved.

The invention discloses a removable pressure-sensitive adhesive composition which comprises 40-50 parts of dodecyl acrylate, 35-50 parts of methyl acrylate, 0.1-1 part of acrylic acid, 0.5-2 parts ofdiacetone acrylamide, 1-3 parts of hydroxyethyl methacrylate, 40-60 parts of ethyl acetate, 0.2-0.8 part of azodiisobutyronitrile, 5-10 parts of tert-butyl alcohol, 2-5 parts of acetylacetone and 0.2-0.5 part of aluminum acetylacetonate. The preparation method comprises the following steps of Q1, adding dodecyl acrylate, methyl acrylate, acrylic acid, diacetone acrylamide, hydroxyethyl methacrylate, ethyl acetate and azodiisobutyronitrile into a container, and stirring to obtain a mixed solution A, Q2, putting the mixed solution A into a reaction kettle, and continuously introducing nitrogen for reaction, Q3, dropwise adding the mixed solution A into the reaction kettle, Q4, reducing the temperature to 40-45 DEG C, and Q5, adding tert-butyl alcohol, acetylacetone and aluminum acetylacetonate into the reaction kettle, stirring, and discharging. The adhesive composition provided by the invention has excellent aging resistance and weatherability, good application property and removability, and is not easy to remain adhesive.

The invention discloses an energy-saving glass coating capable of replacing LOW-E. The energy-saving glass coating comprises the following components in percentages by weight: 55 to 75% of organosilicon resin, 0.3 to 0.6% of poly butyl titanate, 0.4 to 0.6% of aluminum acetylacetonate, 5 to 10% of superfine hollow glass beads, 1 to 2.5% of nanometer titanium dioxide, 1 to 3% of polyethylene wax, 0.2 to 1.0% of nanometer silica particles, 0.5 to 1.5% of an infrared reflective pigment ALTIRIS-800, 15 to 25% of butyl acetate and 10 to 15% of mixed dibasic acid and dimethyl ester. The energy-saving glass coating capable of replacing LOW-E provided by the invention can reflect infrared ray and retard the rising of an indoor temperature in summer, reduces the uptime of an air conditioner, can reduce heat radiation to the outdoors in winter, and maintains indoor warmth.