31 results about "Ammonium" patented technology

A one-step process for preparing both cyanuramide and the ammonium hydrogen carbonate/sodium carbonate and ammonium chloride features that the synthetic amonia is directly delivered to the cyanuramide preparing step, where it is preheated to 350-400 deg.C and used as gas carrier of fluidized bed, and the gas from liquid urea washing tower is divdied into two channels, one returning back to crystallizer and used as cold gas and another being directly used to prepare ammonium hydrogen carbonate/sodium carbonate and ammonium chloiride. Its advantages are low cost and high catalytic efficiency.

The invention discloses a preparation method of polyarylether containing quaternary ammonium side groups, comprising the following steps: a) adding bisphenol containing tertiary amine side groups, a halogenated organism monomer or nitrated organism monomer, a catalyst and a solvent, thus obtaining mixed solution; b) obtaining polyarylether containing tertiary amine side groups by polymerization reaction of the mixed solution obtained from the step a) at temperature of 30-180 DEG C; and c) adding halogenated hydrocarbon in the polyarylether containing tertiary amine side groups, and stirring at temperature of 0-100 DEG C, thus obtaining the polyarylether containing quaternary ammonium side groups. The invention also discloses a polyarylether containing quaternary ammonium side groups, and the sites and the number of the quaternary ammonium side groups are controllable. Compared with the prior art, the materials used in the invention is bisphenol containing tertiary amine side groups, no additional tertiary amine side groups or quaternary ammonium side groups are introduced in the generation process of the polyarylether containing quaternary ammonium side groups, so that the sites and the number of the quaternary ammonium side groups in the polyarylether are controllable, in addition, the conversion rate is complete and the laboratory yield is higher than 95%.

The invention discloses a preparation method of high-purity rhenium powder, which comprises the following steps: purification, centrifugal atomization, primary reduction, secondary reduction and the like. A preparation method of high-purity rhenium powder is provided, starting from the two major processes of raw material ammonium rhenate powder preparation and ammonium rhenate calcination reduction, improving the reducibility of ammonium rhenate powder, reducing the driving force of powder growth, and achieving all stages The purity of raw materials is controllable; two-stage hydrogen reduction is adopted to increase the contact with hydrogen, which is conducive to the elimination of water vapor and provides powerful conditions for obtaining finer and more uniform powder.

The invention discloses a novel electrostatic removal agent for textile materials and a preparation method of the novel electrostatic removal agent. The material is prepared from the following components in parts by weight: 10-20 parts of sodium alginate, 5-10 parts of poly(dimethylsiloxane) divalent quaternary ammonium, 3-6 parts of polyvinyl alcohol, 1.5-3 parts of ethoxylated alkyl ammonium sulfate, 0.8-1.4 parts of poly(methylcyclotetrasiloxane), 0.5-2 parts of acetic acid aqueous solution and 100-150 parts of deionized water. The invention also provides a method for preparing the novel electrostatic removal agent. The method comprises the following steps: (1) adding 10-20 parts of sodium alga acid, 5-10 parts of poly(dimethylsiloxane) divalent quaternary ammonium, 3-6 parts of polyvinyl alcohol and 1.5-3 parts of ethoxylated alkyl ammonium sulfate into 100-150 parts of deionized water, and uniformly stirring at the temperature of 55-70 DEG C; and (2) slowly adding 0.5-2 parts of the 0.5-2 parts of acetic acid aqueous solution, adding 0.8-1.4 parts of polymethylcyclotetrasiloxane under heating conditions, and uniformly stirring, thereby obtaining the electrostatic removal agent for textile materials.

The invention relates to a humic acid-containing complete-element water soluble fertilizer. The fertilizer contains potassium humate, potassium fulvate, mannitol, potassium nitrate, potassium dihydrogen phosphate, ammonium biphosphate, urea, N-butyl thiophosphoric triamide, magnesium sulfate monohydrate, boric acid, EDTA chelated manganese, EDTA chelated iron, EDTA chelated copper, EDTA chelated zinc and sodium molybdate. The fertilizer provided by the invention has the advantages of complete nutrition, reasonable proportioning and synergism of all components, good crop growth promotion effect, and good water solubility, can be applied to crops while the crops are irrigated, especially has good effects on economic crops and field crops in dry lands, and is in favor of realizing water saving irrigation.

The invention discloses a polymethyl methacrylate-zinc hydroxide nanocomposite and a preparation method thereof. The nanocomposite is powder of which the grain size is 5-40mum. The nanocomposite is formed by connecting zinc hydroxide nanosheets and polymethyl methacrylate in mass percent of (1-40):(60-99) by Zn-O chemical bonds. The zinc hydroxide nanosheets are 5-50mum long, 5-50mum wide and 50-500nm thick, and the polymethyl methacrylate is 50-500nm in grain size. The preparation method comprises the following steps of mixing soluble ammonium salt, soluble zinc salt and water firstly and evenly stirring to obtain mixed solution, adding the polymethyl methacrylate to the mixed solution and stirring to obtain complex solution, subsequently, adding an emulsifying agent to the complex solution and severely stirring to obtain emulsion, then, adding an initiating agent to the emulsion to obtain composite emulsion, and then, putting the composite emulsion in vacuum for drying to obtain a target product. The polymethyl methacrylate-zinc hydroxide nanocomposite is excellent in heat stability, and can be widely used in the field of aviation, automobiles, electronic instruments, consumer goods and the like.

The invention provides a sterilization corrosion inhibitor for oil field water treatment system as well as a preparation method and application thereof. The sterilization corrosion inhibitor is prepared from 5wt%to 60wt% of dodecyl dimethyl benzyl ammonium halide, 0.5 wt% to 5wt% of sterilization synergist, 10wt% to 30wt% of surfactant, 3wt% to 10wt% of buffer and the balance of water. The sterilization corrosion inhibitor has high sterilization efficiency, has high bactericidal effects on sulfate reducing bacteria (SRB) and total general bacteria (TGB), has long drug effect duration, is hardto produce drug resistance, simple in production process and low in cost, and has a good corrosion inhibition effect on CO2 corrosion.

The invention discloses a developing agent for a flat-panel display, which contains quaternary ammonium alkali shown in general structural formula I, nonionic surfactant and de-ionized water; in the general structural formula I, R is selected from CH3, C2H5 and C3H7. The nonionic surfactant is any one or mixture of any two or more of sorbitan mono-laurate, polyoxyethylene sorbitan mono-laurate and sorbitan mono-oleate. The quaternary ammonium alkali accounts for 0.5 to 15 percent of the total weight of the developing agent, the preferred proportion is 1 to 10 percent, and the more preferred proportion is 2 to 5 percent, the nonionic surfactant accounts for 0.1 to 10 percent of the total weight of the developing agent, the preferred proportion is 0.5 to 5 percent, and the more preferred proportion is 1 to 5 percent, and the balance is the de-ionized water. As for the developing agent, the aqueous solution formed by the quaternary ammonium alkali and the nonionic surfactant has good intersolubility, and the developing agent has the advantages of good developing performance, no residue, wide operation temperature range, little environmental pollution and the like, and has wide application in the developing preparation process of photosensitive resin.

The invention discloses coating starch, a coating starch preparation method and papermaking coating. The coating starch preparation method includes: providing cassava native starch slurry; adding alpha-amylase and glycerin into the cassava native starch slurry to obtain enzymatic starch; adding ammonium zirconium carbonate into the enzymatic starch to obtain the coating starch. By cassava native starch modification, characteristics of the coating starch containing the modified cassava native starch are suitable for coating, and the coating starch is especially suitable for application in a metering size press coating process.

A hair dye composition containing an azo dye (1) or a salt thereof

wherein R represents a coupler moiety, R₁ and R₃ each independently represent —SO₃M, —SO₂NR₄R₅ or a hydrogen atom, R₂, R₄ and R₅ each independently represent a hydrogen atom or a substituent, and M represents a hydrogen atom, metal atom or ammonium, with a proviso that R₁ and R₃ are not hydrogen atoms at the same time.

The invention discloses a method of synthesizing a nano zinc silicate light emitting material by using waste silicon powder by a hydrothermal method. The method comprises the following steps: (1) dissolving Zn(CH3COO)2.2H2O, Mn(NO3)2.4H2O and hexadecyl trimethyl ammonium bromide in deionized water, adding the waste silicon powder, stirring for 15 minutes, adding sodium hydroxide or ammonium water with concentration being 25%, and stirring for 10 minutes to obtain a mixed solution; (2) putting the mixed solution prepared in the step (1) in a reaction kettle with the liner being polytetrafluoroethylene, sealing the reaction kettle, putting the kettle in an oven at 130-200 DEG C to react for 12-48 hours, taking, naturally cooling to room temperature, washing the product by distilled water. carrying out centrifugal separation, and naturally drying to obtain the zinc silicate light emitting material. By using waste silicon powder as a raw material, the method disclosed by the invention expands the range of reactants and can fully utilize industrial leftovers and achieve the purpose of recycling resources. Furthermore, the method disclosed by the invention which is a hydrothermal one-step reaction is simple and feasible and low in energy consumption.

A microorganism crude oil decalcification agent and a preparation method and decalcification method thereof relate to the microorganism crude oil decalcification agent and the preparation method and decalcification method thereof. The components comprise the component A of oilfield produced fluid, the component B of waste molasses, the adding quantity of which is 2 percent to 6 percent of the weight of the component A, the component C of beef extract, the adding quantity of which is that each gram of crude oil produced fluid contains the component A with the weight of 3000 to 10000 microgrammes, and the component D of inorganic salt type micronutrient required by microorganism for growing, the adding quantity of which is that each kilogram of the oilfield produced fluid contains 1 to 1.5g of ammonium salt, 1.5 to 4g of sodium salt, 1 to 2g of potassium salt and 0.2 to 0.5g of magnesium salt. The crude oil decalcification method provided by the present invention is applied to the crude oil with any calcium content. The method has simple operation, low cost, high decalcification rate and good stability of the decalcification agent and is especially applicable to heavy crude oil, the calcium content of which is higher than 200 microgrammes/g.

The invention discloses a preparation method of double-response hydrogel ink. The method specifically comprises the steps of: firstly, preparing acryloylated F127, polymerizing and crosslinking the acryloylated F127 by using free radicals, then preparing a methacryloylated quaternary ammonium salt chitosan solution, then dissolving the cross-linked acryloylated F127 in water, adding the methacryloylated quaternary ammonium salt chitosan solution, conducting uniform stirring, adding a photoinitiator, conducting heating, and finally conducting light initiating cross-linking by using 405 nm lightof 5-10 W to prepare hydrogel, so as to obtain the double-response hydrogel ink. According to the method, chemically cross-linked F127 micelles are formed by pre-cross-linking acrylated F127, and after the chemically cross-linked F127 micelles are assembled with micellizable methacrylated quaternary ammonium salt chitosan, reversible temperature-sensitive hydrogel can be obtained, and the sol-geltransformation temperature of the reversible temperature-sensitive hydrogel can be adjusted between 28 DEG C and 40 DEG C, the mechanical strength of the gel can be adjusted and controlled through photoresponse, and the microenvironment mechanical requirements for repairing skin, cartilages and other tissues are met.

The invention provides a novel method for controlling and/or treating the growth of biofilms by promoting growth of the periphery cells and/or increasing nutrient consumption by the periphery cells so that the growth of peripheral cells is not only independent from nutrients (e.g., ammonium) provided by the interior cells of the biofilms, but also causes interior cells starved to death. The accessible peripheral cells are then treated and/or eliminated by biofilm control substance of antibiotics or toxic chemicals. Therefore, the invention method controls and eliminates both peripheral and interior cells within biofilms. The invention method can be used in various industries, such as clinical and dental medicine and medical equipment, food and oil industry, and water supply systems.

The invention relates to high-temperature electrolyte of a lithium ion battery. The high-temperature electrolyte is characterized by consisting of the following components: component A, namely 12-16 percent of lithium salt, component B, namely 81-87 percent of organic solvent component C, namely 1.5-5 percent of ammonium salt. Because lithium bi(trifluoromethylsulfonyl)imide substances are added into the electrolyte, the phenomena that the structure of an anode material is damaged at high temperature and under high pressure and metal ions are deposited on an electrode on the surface of a cathode can be reduced to a certain degree by the lithium salt. Therefore, decomposition of the electrolyte on the surfaces of the anode and the cathode is effectively reduced, and the service and storage performances of the lithium ion battery in a high-temperature environment are improved.

The invention discloses a cationic macromolecular proteolipid gene medicine carrier, a preparation method and an application, wherein the cationic macromolecular proteolipid gene medicine carrier is a macromolecular transferrin liposome prepared by transferrin-long-chain alkyl quaternary ammonium salt and a lipid ingredient in a mass ratio of (0.05 to 20): 1. The result of a gene transfection experiment indicates that the gene transfection efficiency of the macromolecular transferrin liposome in 293T cells, NIH-3T3 cells, liver cancer Huh-7 cells, SMMC-7721 cells, lung cancer A549 cells is equivalent to the gene transfection efficiency of a positive control, namely a cationic liposome Lipofectamine TM2000. The system of the cationic macromolecular proteolipid gene medicine carrier is good in biocompatibility, low in cytotoxicity, and capable of being used as an excellent non-viral gene medicine delivery carrier.

A process for preparing the hydrocatalyst with high pore volume and specific surface area includes such steps as codepositing of the solution of metallic compounds, dewatering, pulverizing to obtain the main body of catalyst, sufficiently contacting with the ammonium compound of fluorine to make the fluorine to be combined with said main body of catalyst and adsorb the released ammonia by the millipores of catalyst powder, adding acidic solution or acidic adhesive, shaping, drying and calcining.

The invention discloses a graphene and ammonium vanadate composite material and a preparation method thereof. In the graphene and ammonium vanadate composite material, graphene accounts for 5 to 20 mass percent, and the rest is ammonium vanadate; the ammonium vanadate is uniformly distributed on a graphene sheet layer in a belt shape; the width of the ammonium vanadate is 20 to 60nm. The preparation method of the graphene and ammonium vanadate composite material is mainly characterized in that the graphene and ammonium vanadate composite material is synthesized by using sodium dodecyl benzene sulfonate by a soft template method. The ammonium vanadate in the graphene and ammonium vanadate composite material is uniformly distributed on the graphene sheet layer; the condition of ammonium vanadate particle aggregation is avoided; the charging and discharging capacity of a lithium battery is improved.

The invention discloses a metal surface cleaning agent based on a firmiana simplex bark extract and a preparation method thereof. The preparation method comprises the following steps: 1) firmiana simplex bark, nanometer bamboo charcoal ash and an organic solvent are mixed and thermally treated, and are filtered to take filtrate; and 2) the filtrate, quaternary ammonium salt, terpilenol, nanometer expanded vermiculite, sodium diacetate, ethylenediaminetetraacetic acid, sodium copper chlorophyllin, sodium dodecyl benzene sulfonate, glycerol, sulfadiazine, pyrrolidone, tripropylene glycol butyl ether and ethanol are mixed to prepare the metal surface cleaning agent based on the firmiana simplex bark extract. The metal surface cleaning agent, prepared by the method, is excellent in cleaning effect.

The present invention relates to a method for preparing p-menthane-3,8-diol, characterised in that it comprises the following steps:

a. preparation of an aqueous solution comprising between 0.05% and 5% by mass, preferably between 0.05% and 2% by mass, preferentially between 0.05% and 1% by mass, even more preferentially between 0.05% and 0.5% by mass of an ammonium salt, the said ammonium salt being characterised in that it is selected from the group formed by an amino acid ammonium salt, and in particular an amino acid hydrochloride, a vitamin B ammonium salt, and in particular a vitamin B hydrochloride, an ammonium salt of an amino acid ester, and an ammonium salt of a vitamin B ester, or is defined by the following formula (I):

wherein R₁ represents a benzyl, optionally substituted, or R₁ represents an alkyl, either linear or branched, optionally cyclical, saturated or unsaturated, optionally substituted, comprising from 1 to 10 carbon atoms, preferably from 1 to 6 carbon atoms, preferentially from 2 to 4 carbon atoms, and R₂, R₃ and R₄ represent a hydrogen or a methyl group, and X represents a chlorine atom, bromine atom or an OR′ group, R′ being an alkyl group comprising from 1 to 10 carbon atoms,

b. adding of citronellal to the aqueous solution obtained in the step a), and obtaining a mixture;

c. stirring and heating of the mixture obtained in the step b);

d. decanting of the reaction medium obtained at the end of step c) and obtaining at least two phases; and

e. separation of the said at least two phases obtained in the step d), and obtaining at least one aqueous phase and at least one organic phase, the said organic phase comprising at least p-menthane-3,8-diol.

The invention belongs to the field of preparation of azelnidipine impurities, and discloses an azelnidipine impurity and a preparation method thereof. According to the method, a key intermediate of azelnidipine is taken as a raw material, organic ammonium salt and an organic aluminon reagent are subjected to ammonolysis to obtain malonyl amidine salt, the malonyl amidine salt and the key intermediate of the azelnidipine are subjected to Hantzsch condensation, and the high-purity azelnidipin ammonolysis impurity is obtained after oriented synthesis. The preparation method has the advantages ofmild reaction condition, simplicity and easiness in operation, easiness in separation of target products, and high yield and purity of the products. After the obtained azelnidipine impurity is determined, the accurate content of the azelnidipine impurity in crude drugs can be reflected accurately; the known impurity can be composited into an impurity comparison product in an oriented way, the accurate content of the impurity in the crude drugs can be calculated according to an external standard method and the like, and the azelnidipine impurity has positive significance in purity control of the crude drugs.

The present invention relates to fabric enhancer compositions as well as the methods of making and using same. Such fabric enhancer compositions comprise a quaternary ammonium ester fabric softening active, a branched, ethoxylated nonionic surfactant and perfume. Such fabric enhancer compositions exhibit improved freeze than stability while also delivering the softening benefits that are desired by consumers.

The invention relates to the field of fertilizer and discloses pueraria lobata liquid fertilizer. The pueraria lobata liquid fertilizer is prepared from raw materials in parts by weight as follows: 15-25 parts of nitro ammonium humate, 25-35 parts of potassium humate, 5-10 parts of humic acid, 3-5 parts of borax, 5-10 parts of ferrous sulfate, 5-10 parts of a yeast liquid, 10-25 parts of chitosan and 300-500 parts of water. The pueraria lobata liquid fertilizer can effectively supplement required nutritional ingredients for growth of pueraria lobata, is effective for a long time and can effectively guarantee the ornamental value of a pueraria lobata garden and prolong the flowering season.

The invention discloses a preparation method of halogenated aromatic sulfonyl chloride. The preparation method specifically comprises the following steps of: 1, preparing a SO2 water saturated solution; 2, preparing a heavy ammonium salt; and 3, preparing sulfonyl chloride, finally desolventizing the filtrate at 30-38 DEG C under reduced pressure by using a water pump until no liquid is discharged to obtain 6.0 g of brownish red liquid, controlling the purity to be 93.2% by using HPLC (High Performance Liquid Chromatography), and standing overnight to obtain a solid on the second day. The thionyl chloride used in the method is used as a raw material, the method is economical, cheap and easy to operate, the whole reaction process is safe and stable, the reaction efficiency is high, the pure product rate of the obtained product is high, and industrial large-scale production is easy.

The invention discloses a method for preparing rutile type titanium dioxide powder from ammonium tetrafluorooxytitanate. The invention discloses a preparation method of a titanium dioxide photocatalyst, which belongs to the technical field of inorganic chemical industry, and comprises the following steps: S1, hydrolyzing (NH4) 2TiOF4 in strong ammonia water, filtering the hydrolyzed slurry to obtain metatitanic acid precipitate mixed with ammonia water, taking the metatitanic acid precipitate as a rutile type TiO2 precursor, concentrating the filtrate, and recovering ammonia in the concentrated filtrate; S2, adding zinc oxide into the metatitanic acid precipitate mingled with the ammonia water, and uniformly stirring and mixing the mixture; S3, carrying out first-stage calcination on the metatitanic acid precipitate mixed with zinc oxide at a set temperature to remove ammonia water and part of crystal water in the metatitanic acid precipitate; and S4, carrying out second-stage calcination transformation on the first-stage calcination product at a preset temperature to prepare the rutile type titanium dioxide powder. According to the method, the technical problems of ammonium removal, fluorine removal and calcination transformation are effectively solved; the method is reasonable in technological process design and simple to operate, and reagents can be recycled.