40 results about "Organic acid" patented technology

The object of the present invention is provide a metal nanoparticle which has a nano-sized average diameter while being highly stable as a particle, and a method for producing such metal nanoparticle. Particularly provides a metal nanoparticle having characteristics such as particle diameter and particle size distribution suitable for forming a conductive coating layer, and a method for producing such metal nanoparticle. The metal nanoparticle of the present invention is characterized in that it is obtained by reacting a reducing agent act on a solution containing an organic acid metal salt and an amine.

This invention relates to one kind of method to use abandoned grease to produce epoxy plasticizer, its characteristic lies in: Use the abandoned grease as raw materials, by pretreatment, the obtained glycerin ester to ester exchange respond with the methyl alcohol under alkali catalysis, then get fatty acidmethyl ester, then again with the peroxide organic acid, which is the reaction products of hydrogen peroxide and organic acid, to directly epoxy respond, get the raw epoxy fatty acid methyl ester, then wash off the acid by water, and obtain the epoxy fatty acid methyl ester by distillation and dehydration product. The raw material cost of this invention is low, originates broadly, conforms to the green environmental protection requirement, and the craft is simple, does not pollute environment, so it is the good substitute of petroleum product.

The present invention relates to a composition which includes a fungus and at least one growth-promoting component which is an organic acid, inorganic acid, animal feed antibiotic, conventional growth promoter or plant extract, prebiotic, probiotic, synbiotic, enzyme or herb. The fungus is present in an amount from about 50% to 99.9% by weight. The invention further relates to the use of the composition as an antimicrobial agent and to an animal feed including the composition and to a method for the improvement of growth and/or for reducing feed conversion and/or for improving feed value and/or for improving health and well-being of an animal by providing the animal with a feed including the composition.

The invention provides an enhancement fodder for improving pig's food consumption, which comprises the following components: flavoring peptides 80-120ppm, sea product extract 60-100ppm, organic acid 1000-2000ppm, natural vegetable oil 30-70ppm, I plus G 10-50ppm, 50% vitamin E powder 100-200ppm, pure vitamin C powder 100-300ppm. The invention also discloses the preparing process.

The invention discloses colored continuous-phase silicone-acrylic emulsion reactable with protective glue, prepared from, by weight, 130-180 parts of water, 50-90 parts of methyl methacrylate, 60-90 parts of 2-ethylhexyl acrylate, 10-20 parts of butyl acrylate, 0.5-9 parts of hydrophilic unsaturated organic acid, 3-7 parts of a functional monomer, 0.3-2.5 parts of an anionic emulsifier, 0.2-2 parts of an initiator, 0.05-0.25 part of an oxidant, and 0.05-0.25 part of a reducing agent; the prepared colored continuous-phase silicone-acrylic emulsion reactable with protective glue has excellent transparency, weatherability and paint formulating stability, can engage in directional crosslinking reaction with protective glue, and has excellent water resistance and water white resistance as no thickeners are added to the colored continuous phase.

The invention relates to esterification catalyst, which is inorganic compound including ionic liquid and inorganic compound with Lewis acid. The cation of the ionic liquid is imidazole or pyridine taken place by C1C15 alkyl, wherein, the substituting group number is one or more, and the anion is BF4<-> or PF6<->; the inorganic compound with Lewis acid is selected from FeCl3, SnCl4, ZnCl2 or Zn (NO32) and so on, and the mol ratio of the inorganic compound with Lewis acid and the ionic liquid is 0.01 to 1.0:1. The catalyst is used for esterification reaction, the selectivity is good, the yield rate of the esterified ester is high, and the service life is long.

A process for preparing thermoplastic polyamide compositions that exhibit decreased melt flow and similar physical properties in comparison with conventional systems, in which polyamide is melt-blended with at least one organic acid, and, optionally, one or more additional components, such that the organic acid has a melting point that is no lower than about 10° C. less than the onset temperature of the melting point endotherm of the polyamide. The process results in decreased levels of corrosion and erosion of standard processing equipment in comparison with other processes for decreasing the melt flow while maintaining the physical properties of thermoplastic polyamide compositions. Articles of manufacture made according to the instant process and composition described therein are also disclosed.

This invention relates to a high fire-retarding electromagnetic wave absorption foam edgetone material including rigid phenolic foam and a wave absorbent, in which, the rigid phenolic foam is taken as the carrier to prepare wedge and the wave absorbent is scattered in the wedge. The preparation method includes: a, preparing resol as the basic material, b, taking the expandable phenolic resin prepared by the resol, a emulsifying agent, vesicant and wave absorbent as component A and a solidifying agent of the resin mixed by inorganic acid and organic acid as component B, c, pouring component A and B together into a wedge model cavity, d, controlling the temperature of the cavity at 50-70deg.C to be foamed and molded and the foam is aged for 60-90min in the cavity.

The present invention provides a water absorbing agent, and a method for producing the water absorbing agent. The water absorbing agent includes water absorbent resin particles, an organic acid and/or salt thereof having carbon number of 10 or more and not more than 30 in its molecule, and a water-soluble polyvalent cation. The method includes the step (i) of mixing the water absorbent resin particles, the organic acid and/or salt thereof having carbon number of 10 or more and not more than 30 in its molecule, and the water-soluble polyvalent cation with one another.

The invention discloses a preparation method for a lignin chitosan reaction membrane. A membrane manufacturing liquid is obtained by mixing a modified lignin liquid and a chitosan liquid to react under the action of a cross-linking agent and is manufactured into the membrane by means of volatile solvent. The reaction membrane has good performances and is applicable to the separations between water and an organic system, including the separations for the systems of organic acid-water, dye-water, alcohol-water, protein-water, and the like, as well as the separations of gases. The preparation technique of the method is simple; the price of the raw materials is low; the whole preparation process is friendly to the environment; and the product of the method can be naturally decomposed with no pollution.

The invention provides an aluminum modified acidic silica sol and a preparation method thereof. The preparation method at least comprises the following steps: (1) reacting an alkaline silica sol withcation exchange resin to obtain an acidic silica sol; (2) heating the acidic silica sol to a certain temperature, keeping the temperature, and adding an aluminate solution for reaction to obtain an aluminum modified silica sol; and (3) adjusting the pH value of the aluminum modified silica sol to be 1 to 5 by using organic acid to obtain the aluminum modified acidic silica sol. The silica sol prepared by the above method can exist stably under acidic conditions.

The invention relates to a coal mine omnipotent gas extraction agent, in order to solve the problem of poor gas extraction effect in existing coal mines. The extraction agent comprises the following raw materials according to weight ratio: 100 of water-soluble organic acid and 3-28 of sugar. The weight ratio of raw materials is 100 of water-soluble organic acid and 3-28 of sugar, and the extraction agent further comprises water of which the weight is 5-18 times as that of the above raw materials. The water-soluble organic acid is selected from fulvic acid, acetic acid, complex acid obtained from plant fermentation, citric acid and lactic acid; the sugar is selected from maltose, sucrose, fructose, konjac powder and agar. The extraction agent has the advantages of low cost, easy operation and use, no influence on coal quality, good effect, ability of improving the gas extraction effect of coal mines dramatically, no obvious influence on underground operation staff and equipment, high security and high efficiency.

The invention discloses a preparation method for a supported Mo-based oxidation desulfurization catalyst, and belongs to the technical fields of coal processing, petroleum processing and petrochemical processing, and relates to a preparation method for a solid catalyst for oxidative removal of distillate oil and sulphide-containing thiophene aromatic heterocyclic compounds in the chemical materials. The method is characterized by: loading an organic acid on a porous carrier-supported Mo-based oxide catalyst, then drying at a temperature of 70-120 DEG C; heating to the temperature of 100-180 DEG C in the protection of inert gas, and holding for 1-5 hours, wherein the heating rate is 1-10 DEG C per minute; then heating to the temperature of 200-260 DEG C and holding for 1-5 hours, wherein the heating rate is 1-10 DEG C per minute; then heating to the temperature of 300-340 DEG C and holding for 1-5 hours, wherein the heating rate is 1-10 DEG C per minute to prepare the catalyst. The mixture comprising Mo<6+> and low valence state Mo<5+> is loaded on the surface of the catalyst. With the present invention, the oxidation activity and the desulfurization activity of the supported Mo-based catalyst provided by the present invention can be significantly improved, and a wide application prospect in the field of deep desulfurization is provided.

A process for producing a high surface area iron material, comprising predominantly low crystalline iron oxides, starting with a low surface area iron metal is disclosed. The iron material of the present invention has a surface area of at least about 200 m²/g, and is prepared via a method which comprises reacting a low surface area iron metal with oxygen and an organic acid. The high surface area iron material formed via this method is essentially free of contaminants.

The invention provides a preparation method of ZnCdSe/ZnS quantum dots. The method comprises the following steps that 1, a zinc source, a cadmium source, organic acid and/or organic amine and an organic solvent are stirred and heated to be dissolved after shielding gas is introduced to obtain a zinc and cadmium mixed pro-solution; 2, the solution is heated to 200-350 DEG C, and then a selenium source is injected into the solution within 30 s; 3, a sulfur source or sulfur and zinc source mixed solution is added drop by drop; 4, the temperature of 200-350 DEG C is kept constant, then cooling is performed to reach the room temperature, and separation and purification are performed to obtain ZnCdSe/ZnS quantum dots. The preparation method of the ZnCdSe/ZnS quantum dots is safety to implement, simple, controllable, low in cost, and capable of achieving repetition and amplification; the obtained quantum dots are uniform and controllable in size and appearance, the monodipserity is good, the fluorescence quantum yield is high, and the good stability on the high-temperature, washing and water dissolution modification and other conditions is good.

The invention discloses a cleaning and prefilming agent which is used for dissolving dirt on metal surfaces and forming inorganic films and organic films on the metal surfaces, and the inorganic filmsand the organic films intersect each other on the metal surfaces to form compact inorganic organic composite films. The ingredients of the cleaning and prefilming agent comprise organic carboxylic acid and salts thereof, sodium gluconate, inorganic zinc salt, organic acid polymers, a chelating agent, inorganic base and deionized water, and the weight percentage of all the ingredients in the cleaning and prefilming agent is 5-30% of organic carboxylic acid and salts thereof, 10-20% of sodium gluconate, 3-10% of inorganic zinc salt, 5-20% of organic acid polymers, 1-5% of the chelating agent, 10-30% of inorganic base and the balance deionized water. By means of the cleaning and prefilming agent, the purposes of protecting equipment and prolonging the equipment life are achieved, when the cleaning and prefilming agent is used for circulating cold water treatment, cleaning and prefilming can be finished at one time, adjustment of the system pH is not needed, and the cleaning and prefilming procedure is simplified.

The invention discloses a flux for SnAgCuNiGe alloy solder paste and a preparation method, comprising a polymerized rosin 25% to 30%, a hydrogenated rosin 8% to 16%, a rosin alcohol 6% to 12%, a modified and hydrogenated castor oil 2% to 3%, a hydrogenated castor oil wax 2% to 3%, an organic acid and halogen compound and other active agents 6% to 11%, a hydroquinone and other antioxidant 0.5% to 3%, a surface-active material 2% to 4%, and an organic solvent. The invention is characterized in that: the polymerized rosin, the hydrogenated rosin, the rosin alcohol, the organic solvent, the modified and hydrogenated castor oil, the hydrogenated castor oil wax, the active agent, and the antioxidant are utilized in turn and heated at temperatures of no more than 130 degrees Centigrade, then are sufficiently dissolved, evenly mixed and cooled to ambient temperature, finally the surface-active material is added to the mixture, and the cooling process is kept on for two to three hours, and the flux is obtained. The invention has an advantage of meeting demands of customers to the service life of the solder paste and requirements to the printing performance and welding property for the solder paste.

The invention relates to a solid transparent pen refill. The pen refill is prepared by reacting basic oil, aliphatic organic acid and sodium hydroxide solution for saponifying and generating sodium salt, adding a mixture of glycerin, ethanol, a dye and silicon dioxide, dissolving, mixing, cooling and moulding, and comprises the following components in part by weight: 15 to 25 parts of basic oil, 40 to 60 parts of aliphatic organic acid, 5 to 15 parts of sodium hydroxide solution, 3 to 10 parts of glycerin, 10 to 20 parts of ethanol, 0.1 to 1 part of dye and 1 to 10 parts of silicon dioxide, wherein the solubility of the sodium hydroxide solution is 30 to 50 percent, the concentration of the ethanol is over 90 percent, and the silicon dioxide is gas phase silicon dioxide or liquid phase silicon dioxide. The pen refill has the advantage of low cost and is convenient to process, and a water-soluble dye and a water-soluble fluorescent dye of the pen refill can be fully mixed with various components to make the color uniform; and the formed pen refill is smooth during writing, and has high pen feel and transparency, pigments cannot be diffused on a paper surface, and sediments cannot be adhered to the paper surface.

The invention belongs to the field of polymer flooding, and particularly relates to a hydrophobic modifier for improving the blockage removal effect of a polymer waterflooding-blocked well and a polymer flooding method. The hydrophobic modifier is prepared from an organosilane coupling agent, an activating agent, a mutual solvent and water, wherein the activating agent is selected from organic acids with carbon atom numbers of 1-3; the mutual solvent is selected from organic alcohols with carbon atom numbers of 1-3; a mass ratio of the organosilane coupling agent to the activating agent to themutual solvent is (0.5-1.0): (0.01-0.03): (4-10). According to the hydrophobic modifier, the organosilane coupling agent is used for carrying out hydrophobic modification on the surface of sandstonein the presence of the activating agent; in the hydrophobic modification process, hydrolysate of the organosilane coupling agent reacts with a stratum, the surface of sandstone is changed into a hydrophobic state after reaction, wettability is reversed, and then, the adsorbing capacity of a polymer can be remarkably reduced.

The invention discloses composition for reductive soil sterilization and an application of the composition. The composition comprises a cellulose degradation compound microbial agent formed by flavobacterium johnsoniae and pseudomonas fluorescens and further comprises corn stalk. The composition can change the microflora structure of soil and promote the corn stalk to degrade in the anaerobic environment to produce ammonia, methane, organic acid, hydrogen sulfide and other substances which have poisonous effects on fusarium oxysporum. By means of the composition, 99.9% of fusarium oxysporum can be killed, and 97.0% of pathogenic bacteria can still be killed in the dry period. Besides, the composition can notably improve the physical and chemical properties of soil, can effectively relievesecondary salinization of the soil, further can be used for controlling tomato wilt and has an improvement effect.

A fire retardant coating for wood is prepared from the following raw materials in parts by weight: 7-11 parts of magnesium hydrate, 6-10 parts of novolac epoxy, 3-5 parts of kaolin, 4-7 parts of redispersible powder, 3-7 parts of titanium dioxide, 2-5 parts of a rare earth adhesive, 4-6 parts of macromolecular siloxane, 5-8 parts of cobalt naphthenate, 5-11 parts of N-cyclohexylmaleimide, 3-5 parts of polysiloxane, 2-7 parts of butyl acetate, 3-5 parts of butanol, 1-2 parts of organic acid phosphate, 3-4 parts of emulsion and 1-2 parts of barium sulfate. The invention has the benefits that the fire retardant coating for wood is finer in viscosity, thinner and convenient for construction, and is excellent in fire resistance and decoration performance.

The invention discloses a method for extracting iron from iron tailing, comprising following steps: (1) adding water into iron tailing to be mixed into ore pulp; (2) ultra-fine processing said ore pulp; (3) adding organic acid or its salt into ore pulp after step (2) for magnetic selection in the magnetic separator. The invention is a new clean producing ore selection process with lower cost and high extraction rate while extracted iron has high grade. Therefore, the invention has higher technique and economic value, which can improve the ore selection level, economic benefit, release the lack of iron rich ore, to reduce the power consumption of steel manufacture and generate large benefit to corporation.

The invention relates to the field of pet food additives, in particular to a flavoring agent containing phosphate for cats and a preparation method of the flavoring agent. The flavoring agent containing the phosphate is prepared from at least the following raw materials in parts by weight: 2-20 parts of amino acid, 2-40 parts of reducing sugar, 4-30 parts of organic acid and 2-30 parts of phosphate. According to the flavoring agent containing the phosphate for the cats and the preparation method of the flavoring agent, by regulating the kind of the amino acid and the reducing sugar and the added organic acid, the flavor characteristics of meat flavors and baking tastes are generated, the palatability of food is improved, meanwhile, the provided phosphate enables the palatability retentionof cat food to be improved, the oxidation phenomenon of the food can be reduced, and the particular spray-drying process further leads to the better palatability and palatability retention while the stable flavoring agent for the cats can be stored.

The invention relates to high-activity wild grape wine with seeds and a preparation method thereof. The preparation method comprises the steps of preprocessing wild grapes, carrying out split charging, aerobic fermentation and anaerobic fermentation, processing grape seeds, and carrying out post-fermentation, filtration, encapsulation, sealing and after-packaging. According to the high-activity wild grape wine, high-activity anti-oxidation nutrient substances such as resveratrol and organic acid are increased, meanwhile, a deep processing and utilizing scheme is provided for by-products produced during the brewing of grape wine from grape seeds and the like, and the raw material resources are well utilized. On this basis, the specific preparation technological process is detailed, the antioxidant activity of the product and the content contrast of relevant substances are verified by virtue of subsequent detection, and meanwhile, a sensory evaluation result is matched so as to determine an optimal preparation method. The content of active components in the product is increased, meanwhile, the optimal taste and flavor of the product are guaranteed, and the product has multiple superiorities of nutrition, health, delicacy, storage resistance, easiness in production and process and the like.

The invention provides composite sodium-ureido lubricating grease which is prepared from the raw materials of, by weight, 75-85 parts of base oil, 5-9 parts of isocyanate, 3.5-8.5 parts of organic amine, 0.5-2 parts of organic acid, 0.3-1.5 parts of sodium hydroxide and 1-2 parts of additive. The composite sodium-ureido lubricating grease has excellent adhesion, extreme pressure antiwear property and antioxidation performance and particularly can prolong the service life of a bearing under high temperature.