341 results about "Organic acid (substance)" patented technology

A light-sensitive lithographic printing plate comprising a hydrophilic substrate provided thereon with a layer sensitive to infrared light rays comprising (A) a polymer represented by the following general formula (I); (B) an organic acid and/or a cyclic acid anhydride; and (C) a light-heat conversion substance. The light-sensitive lithographic printing plate is excellent in the both printing durability and the developing latitude.

The invention discloses a pharmaceutical composition containing dabigatran etexilate or salt and hydrate of the dabigatran etexilate. The pharmaceutical composition comprises an active substance pill core material containing the dabigatran etexilate or its pharmaceutically acceptable salt or hydrate and a filling agent and / or a bonding agent,and an organic acid or an organic acid material layer, the organic acid is arranged outside the active substance pill core materials, the organic acid material layer contains the organic acid, and the organic acid is selected from tartaric acid, succinic acid, citric acid, glutamic acid, fumaric acid, malic acid, aspartic acid or their hydrates or salts. After screening, the dabigatran etexilate active substance is prepared into a pill core, the organic acid material layer is added in an integrated mode, and meanwhile, an isolated layer is applied between the dabigatran etexilate active substance pill core and the organic acid material layer. The prepared dabigatran etexilate oral drugs composition has the advantages that solubility and dissolution rate are good, and bioavailability effect is prominent.

The invention discloses an acid reaction resistant chinlon fixer. Currently, most chinlon fixer products on the market are not resistant to acid; during a fixation treatment, when the fixer encounters strong acid or concentrated organic acid, a large sum of white precipitates will be produced; and fixer spot is easily generated in the fixation process, leading to generation of inferior-quality products or even waste products. The acid reaction resistant chinlon fixer provided by the invention is prepared by the following method comprising the following steps: subjecting a phenolic compound and two aromatic sulfonic acid compounds to a condensation reaction with formaldehyde in the presence of a complex catalyst; and then adding epichlorohydrin and a modifier to the above reaction system for modification; and finally, adjusting pH value of the modified multielement copolymer aromatic sulfonic acid formaldehyde condensation substance to 2-4 with strong acid or concentrated acid, so as to obtain the acid reaction resistant chinlon fixer. The acid reaction resistant chinlon fixer provided by the invention has acid resistance obviously better than that of a general commercial chinlon fixer, and solves the problem of hard fixation and poor washing fastness of chinlon fabric dyed by acid dyeing.

The invention relates to a nonionic reverse micelle system and a method for modifying a polar material by using the same. The polar material is wrapped in a polar core of a reverse micelle, and the exterior of the polar core is a continuous organic phase. The reverse micelle system provided by the invention is prepared by subjecting a nonionic surfactant, a cosurfactant and an organic solvent to ultrasonic treatment, wherein the organic solvent is a slightly polar organic solvent or a composition of the slightly polar organic solvent and a non-polar organic solvent. According to the invention, preparation raw materials are frequently used industrial raw materials and are easily available; the obtained reverse micelle system is stable, has great solubilized water quantity and a controllable particle size, can well disperse the polar material and has good stability. The reverse micelle system has a wide application scope, is applicable to polar water-soluble substances like nanometer microcrystalline cellulose, enzyme, organic acids, protein and dye and can be used for polar water-soluble substances in different states, e.g., a liquid, a nanometer particle, an emulsion and a suspension.

The invention relates to the technical field of drilling fluid cleaning fluids, particularly to an oil-based drilling fluid shaft completion cleaning fluid and a preparation method thereof. The oil-based drilling fluid shaft completion cleaning fluid comprises raw materials in percentage by weight as follows: 25%-30% of an organic acid solution, 1%-3% of an emulsifier, 0.5%-0.7% of an organic solvent, 0.5%-2% of a quick penetrating agent, 0.05%-0.1% of a corrosion inhibitor and the balance of base oil. The oil-based drilling fluid shaft completion cleaning fluid is an oil-based cleaning fluid, is an acid-in-oil emulsion, is applied after open hole completion or screen pipe (slotted pipe) completion, can be used for restoring near-wellbore holes between a shaft and a stratum, can be used for opening an oil and gas channel, has the higher cleaning rate, can be used for clearing away substances adhered to the shaft, can be used for dredging a near-wellbore reservoir channel, can be used for washing a screen pipe (slotted pipe) and can be used for protecting an oil-gas bed.

The invention relates to a medicament for fast preventing the malignant float grasses and the water algae and the application thereof, belonging to the pesticide formulation technical field, which is characterized in that the medicament comprises from 40% to 90% of a plant vinegar fluid, from 5% to 35% of an organic acid, and from 1% to 20% of pesticide addition agent, the plant vinegar fluid is either a bamboo vinegar fluid, a wooden vinegar fluid, and (or) grass vinegar fluid, the organic acid is one of or a mixture of more than one of a formic acid, an acetic acid, a propionic acid, a 2-methyl propionic acid, an ethyl acetic acid, a 4-hydroxy ethyl acetic acid, a pentanoic acid, a benzoic acid, a 2,6-hydroxy benzoic acid, a 3-hydroxy-4-methoxy benzoic acid or a 3-methoxy-4-hydroxy benzoic acid. The medicament has the advantages of fast destroying the chlorophyll, stopping the plant to do the photosynthesis, commonly killing the water algae in a half hour and the float grass in three hours by spraying, having low production cost, strong killing capability, wide adaptable temperature range and pH value range. The active component of the invention has the advantages of being the natural-occurring substance, no corrosion, nonirritant, safe use, and reliability, easy biodegradation, and no secondary pollution.

An active cathode and its production are disclosed. It adopts geometric metal mesh as matrix, 10mum-30mum coating is coated on matrix surface. The coating materials consist of one or several metal salt from VIII-family metal cobalt, nickel, zinc, ruthenium, cadmium, iridium and platinum and one or several metal salt from lanthanide metal lanthanum, cerium and praseodymium and inorganic acid or organic acid substances. The process is carried out by pre-treating, preparing solution for active coating, thermal ionizing and after-treating. It can be used for chloro-base industrial ionic film electrolytic cell.

The invention relates to a preparation method of a coated acidifying agent for a feed. The preparation method comprises the following steps: firstly, adsorbing phosphoric acid; uniformly mixing silicon dioxide with phosphoric acid to completely adsorb phosphoric acid; putting a phosphoric acid adsorbate into a fluidized bed coating machine; spraying coating liquid into the coating machine by a peristaltic pump to perform coating granulation; and uniformly mixing a coated product with citric acid and fumaric acid to obtain the finished product. The acidifying agent prepared by the preparation method is a combination of organic and inorganic materials and the releasing speed of the acidifying agent can be effectively lowered; a coating film wrapping grains is a protective film so that the contact between the acidifying agent and alkaline substances in the feed, a premix and the like is reduced, and the acidifying effect of the acidifying agent is enhanced. The growth and reproduction of effective microbial communities, such as probiotics, can be facilitated to generate organic acids and other antibacterial substances, so that the pH value in gastrointestinal tracts is further reduced, and the growth of harmful bacteria is inhibited. The organic acids which are gradually released in digestive tracts also have a complexing effect and are combined with microelements in the feed, the premix and the like so as to promote the absorption in small intestinal tracts.

The present invention discloses a saline-alkali soil modifier and a special microcapsule-type organic acid slow-release preparation thereof. The special microcapsule-type organic acid slow-release preparation is prepared from the following components by weight: 100 parts of water, 1-80 parts of an organic acid, 10-50 parts of a copolymerization monomer, 0.2-10 parts of an emulsifier, 100-500 parts of an organic solvent and 0.05-5 parts of an initiator. The saline-alkali soil modifier comprises, by weight, 1-30 parts of the organic acid slow-release preparation and 60-90 parts of active calcium. Compared with the existing saline-alkali soil modifier in the prior art, the saline-alkali soil modifier of the present invention has the following advantages that the calcium ions are provided while the organic acid substances are slowly released, the salt damage caused by the applied soil modifier can be effectively reduced, the release time of the organic acid can be significantly prolonged, the saline-alkali soil modifier acts in the whole growing and developing period of crops, the continuous damage of salt accumulation and alkali accumulation on crops can be effectively reduced, crops can be protected from salt damage and alkali damage during the whole growth period, the crop yield can be improved, and the improving effect on the high saline-alkali soil can be comprehensively improved.

The invention relates to a white carbon black dispersant. The dispersant is prepared through reaction of organic amine substances and organic acid substances, the dispersant can be loaded in different carriers The white carbon black dispersant has a simple preparation method, can raise dispersion of white carbon black in rubber effectively, and raises the processing properties and various physical properties of the rubber.

The invention discloses a viscose fiber with an antibacterial function of ginkgo leaves. The viscose fiber contains at least 80wt% of alpha cellulose and at least 3.5mg/Kg of flavonoids, lactone compounds and organic acid substances; the viscose fiber has the bacteria inhibitive rate of larger than or equal to 92% for staphylococcus aureus, the bacteria inhibitive rate of larger than or equal to 91% for Escherichia coli and the bacteria inhibitive rate of larger than or equal to 81% for candida albicans; the fiber is lasting in antibacterial function and has no any side effects on human bodies. The invention also discloses a preparation method of the viscose fiber with the antibacterial function of ginkgo leaves. The method is reasonable and simple in process, suitable for industrial production and capable of sufficiently exerting the unique advantages of lasting antibacterial function of the ginkgo leaves.

The invention discloses a method for producing acid soybean peptide protein by using an enzyme method together with microorganisms. The method consists of the following steps of: (1) smashing and sieving commercially available peeled soybean meal, adding glucose and purified water, inoculating lactobacillus plantarum and streptococcus thermophiles, and culturing till the pH of a zymotic fluid is lowered to 4.4 to obtain a zymotic fluid A; (2) inoculating bifidobacteria into the zymotic fluid A and adding liquid acid protease for performing enzymolysis to obtain an enzymolysis solution A; and (3) sterilizing ultrafiltration permeate liquid obtained by performing ultrafiltration on the enzymolysis solution A, concentrating and drying to obtain a finished product, wherein the lactic acid content of the finished product is higher than 3.6 percent. In the method, peeled soybean meal which is much cheaper than the conventional generally-adopted soybean protein concentrate is taken as a raw material. Technically, enzymolysis is performed after lactobacillus plantarum and streptococcus thermophiles are used of lowering the pH of the entire enzymolysis system to pH which is most suitable for the acid protease; and meanwhile, a part of soluble non-starch polysaccharides in the peeled soybean meal can be degraded in the growing processes of the lactobacillus plantarum and the streptococcus thermophiles, and the finished product also contains organic acid substances.

The invention discloses a treatment solution for preparing a molybdenum-cerium composite conversion membrane on the surface of a magnesium alloy. The treatment solution comprises 2-15g/L of a molybdate, 4-20g/L of a rare earth salt, 0.1-2.5g/L of an organic acid, 0.1-2.0g/L of an activator, and a pH adjustment agent. The treatment solution belongs to a chromium-free conversion treatment solution, contains no toxic substances, can satisfy an environmental protection requirement, realizes the conversion treatment without heating, can form a membrane at normal temperature, and has a treatment time of 3-20min. The chemically converted membrane prepared through the method has the advantages of excellent corrosion resistance, high combination strength with a matrix, simple technology, and film formation at room temperature, and is colored, so the online determination of the membrane in production is easy.

The invention relates to a formula and preparation method of a 200 DEG C temperature and salt resistant drilling fluid with strong inhibition and high density. The formula is characterized in that in the formula, a high temperature salt resistant shear strength improving agent is a silicate modified substance; fluid loss additives A and B are products with carbon-carbon chains main chains and sulfonic acid groups, pyrrolidone groups or alkane groups as branched chains; an inhibiting/anti-collapse agent is a modified natural vegetable pitch derivative with a high softening point; an inhibiting/lubricating agent is a high polymer nonionic surfactant; and a water soluble heavy weight additive is a compound of low carbon organic acid salts of alkali metals, organic acid ammonium and organic acid quaternary ammonium. The preparation method is characterized by successively adding corresponding components with determined concentrations to the fresh water at a certain stirring speed according to the formula, thus obtaining the drilling fluid. The formula and the preparation method have the following beneficial effect: the problems of difficulty in control of viscosity, high fluid loss, low solid phase capacity and poor pollution resistance of the drilling fluid with high density are solved.

The invention discloses a soldering flux, which contains rosin, an organic acid activator, a surface active agent, a film-forming agent, a defoaming agent, a stabilizer, a corrosion inhibitor, a thixotropic agent, a hydrazine hydroxy carboxylic acid compound and an organic solvent. The soldering flux disclosed by the invention is simple in manufacturing process and has strong wetting power for lead-free solders; by using the soldering flux, solders are uniformly spread, and residues generated after welding are soluble in water; and after the soldering flux is cleaned with water, a printed board is high in insulating resistance. In addition, the soldering flux disclosed by the invention is non-toxic, and has no pungent smell, therefore, the soldering flux is safe in use; the soldering flux basically does not contain VOC (volatile organic compound) substances, therefore, the soldering flux meets the requirements of environmental protection; and the soldering flux is difficult to burn.

The invention relates to a preparation method of a sun-screening agent OMC (iso-octyl P-Methoxycinnamate). The preparation method comprises the following steps of: 1, adding p-anisaldehyde, malonic acid, a catalyst I organic secondary amine substance, a catalyst II organic acid substance and a water-insoluble organic aromatic hydrocarbon solvent to a condensation reaction kettle, and carrying out reflux water diversion reaction for 4-5 hours; 2, after condensation reaction is finished, cooling to 5-15 DEG C, filtering to obtain a p-methoxycinnamic acid crude product, directly applying filter liquor to next reaction, and optionally supplementing a small quantity of catalysts and solvents to the filter liquor; 3, adding catalyst III macroporous type storng acid cation exchange resin, isooctyl alcohol, the p-methoxycinnamic acid crude product and an aromatic hydrocarbon or aliphatic hydrocarbon solvent to an esterifying reaction kettle, and carrying out reflux water diversion reaction for 2-3 hours; and 4, after esterifying reaction is finished, cooling to 65 DEG C, filtering and recovering the catalysts for mechanical application, washing the filter liquor to neutrality through a 5% sodium carbonate water solution, desolventizing, and rectifying to obtain the final product isooctyl p-methoxycinnamate. The method disclosed by the invention has the characteristics of easiness, convenience, easiness in control, industrial production, low environment pollution, low energy consumption, material recycling, high product purity, and the like.

The invention discloses a comprehensive aquatic product processing leftover utilization method which comprises the following steps: with processing leftovers of crustacean including fish, shrimp, crab and the like as the raw materials, cleaning, low-temperature drying, cryogenic grinding, complex enzymatic degradation, organic acid extraction, high-speed centrifugal separation, reverse osmosis dehydration, molecule embedding, high-pressure homogenizing, vacuum low-temperature cryogenic drying, pelletizing, tabletting, automatic bottled packaging production line processing and outer packing are carried out, and all high value-added bio-active substances including astaxanthin, protein, organic calcium, chitin and the derivative of the chitin namely chitosan in the aquatic product processing leftovers are extracted, so that resources are comprehensively and effectively utilized without waste discharge. According to the invention, the moderate bio-enzyme degradation technique is adopted, the whole process is carried out under the low-temperature condition, strong acid, strong base and toxic solvents are not used, the technological process is short, the industrial chain is long, and the products are high in bioactivity, various in variety, excellent in quality, safe to eat, wide in application fields, large in potential market, and high in comprehensive economic benefit.

A microcapsule-type heat absorbing particle able to be sprayed on the surface of object for absorbing a great deal of heat is a (1-1000)-micron particle which is composed of shell and core. Said shell is a high-molecular polymer chosen from melamine formaldehyde, urea-formaldehyde resin, PU, etc. Said core is a heat-absorbing substance chosen from straight-chain alkane, high-grade alcohol and organic acid.

The invention discloses an additive composite for eliminating formaldehyde in adhesive and a preparation method thereof. The additive composite comprises chitin, organic acid, anti-sepsis acid, potassium persulfate, boundary surface active agent and water. The preparation method thereof comprises: mixing and stirring chitin and proper amount of water to manufacture a chitin base solution; mixing and stirring water, organic acid, anti-sepsis acid and potassium persulfate to manufacture an acidic base solution; evenly mixing the prepared chitin base solution and the acidic base solution, and regulating the solution by potassium persulfate to obtain the additive composite. The additive composite absorbs and decomposes the formaldehyde in adhesive through chelation of chitin and amino, can convert formaldehyde in adhesive into water and other harmless substances to achieve the aim of eliminating formaldehyde, thus avoiding air pollution caused by release of formaldehyde in adhesive. The additive composite can effectively eliminate formaldehyde in adhesive without changing properties and shape of the adhesive, thus being extensively applicable to water adhesives.

The invention provides modified graphene and a preparation method and an application thereof. The method includes the following steps: adding a dispersant and graphene to first deionized water to obtain a graphene dispersion liquid; adding an acid in second deionized water to obtain an acid solution; and adding the acid solution to the graphene dispersion liquid, stirring, adding a coupling agent,and drying to obtain the modified graphene, wherein the modified graphene is coated with the coupling agent and adsorbs the acid. The modified graphene prepared by the method enables the compatibility of organic acids and inorganic acids in an epoxy resin system to be improved, and solves the compatibility problem of an acidic substance and the epoxy resin system in epoxy anticorrosion paint withrust.

The invention relates to a novel special fertilizer for eucalyptus and a preparation method thereof and is applied to the field of agriculture and forestry production. The novel special fertilizer is prepared by taking the soil testing and formula fertilization technology and scientifically calculating the fertilizer number and ratio of nitrogen, phosphorus, potassium, medium trace elements according to the soil testing result, fertilizer effect, eucalyptus fertilizer requirement law, soil fertility characteristics and forestry production requirements, and the problems of long-term effect, nutrient balance and synergistic fast-growing for eucalyptus planting are solved through three creative technologies. The product is simple in production process, easily available in raw materials and comprehensive in nutrient, nitrogen, phosphorus and potassium elements are supplemented for the eucalyptus, the medium trace elements can be supplemented, and the fertilizer utilization rate is effectively improved; and moreover, the soil active substances enriched in the product can effectively regulate and neutralize organic acid substances secreted by the eucalyptus root system, the soil acidification is reduced, erosion of water, soil and nutrient elements is reduced, the soil fertility is improved, and the ecological environment is protected.

The present invention discloses a wet desulfurization and denitration synergist for a coal fired boiler. The wet desulfurization and denitration synergist is characterized by comprising by weight: 20-40% of an oxidation accelerator-like substance, 20-40% of an organic acid substance, and 10-30% of a synergist substance. According to the present invention, with the wet desulfurization and denitration synergist, the desulfurization efficiency of the absorption tower can be increased, the wet desulfurization and denitration synergist can be suitable for high-sulfur coal, and the concentration on the SO2 outlet achieves the standard; the capacity of catalytic oxidation of NO into water-soluble NO2 is enhanced so as to increase the removal of nitrogen oxides; the slurry circulation pump can be stopped to different degrees so as to achieve the energy saving purpose; the synergist has effects of promotion of the limestone dissolution, improvement of the pH value buffering capacity of the limestone slurry, inhibition of the calcium sulfite soft scale formation, prevention of the mist eliminator clogging, and increasing of the desulfuration gypsum purity; and under the same liquid-gas ratio condition, the desulfurization efficiency is increased by 5-10% and the denitration efficiency achieves 30-50% so as to simultaneous achieve the effects of desulfurization-denitrification and flue gas purifying.

The invention provides a paclitaxel composition for injection. The composition comprises the following components in percentage by weight: 0.200-1.087% of paclitaxel, 95.000-99.200% of polyoxyethylenated castor oil and ethanol as well as 0.200-1.500% of organic acid. The paclitaxel composition for injection, provided by the invention, can be directly administrated after being diluted by an infusion solution. By using the paclitaxel composition for injection, provided by the invention, the damage caused by terminal sterilization of the product to the main component is avoided because a sterile production process is adopted in the preparation process; meanwhile, the sterile level of the product is more preferably guaranteed because an polyoxyethylenated castor oil sterilizing process is additionally increased in the process. Compared with the prior art, the paclitaxel composition for injection, provided by the invention, has the advantages of reducing the content of the preparation related substances, improving the product stability, reducing the occurring rate of the adverse reaction and improving the safety in clinical use.