84results about How to "High solubilizing power" patented technology

The invention relates to stable oleaginous cosmetic or therapeutic foam compositions containing certain active agents, having unique therapeutic properties and methods of treatment using such compositions. The foamable composition includes at least one solvent selected from a hydrophobic solvent, a silicone oil, an emollient, a co-solvent, and mixtures thereof, wherein the solvent is present at a concentration of about 70% to about 96.5% by weight of the total composition, at least a non-ionic surface-active agent at a concentration of about 0.1% to less than about 10% by weight of the total composition; at least one gelling agent at a concentration of about 0.1% to about 5% by weight of the total composition; a therapeutically effective amount of at least one active agent; and at least one liquefied or compressed gas propellant, at a concentration of about 3% to about 25% by weight of the total composition.

A particle is disclosed that comprises a first volume of hydrophobe-rich material with tunable dissolution and solubilization characteristics and a distinct second volume of nanostructured nonlamellar liquid crystalline material, said second volume containing said first domain and being capable of being in equilibrium with said first volume. Preferably, the nanostructured nonlamellar liquid crystalline material is capable of being in equilibrium with a polar solvent or a water-immiscible solvent or both.

This invention relates to a washing agent used in rinsing ceramic strainer plate. According to the weight percentage, it contains the following materials: nitric acid 0.1~5%; hydrochloric acid 0.1~5%; hydrofluoric acid 0.2~3%; oxalic acid 0.1~5%. By the combined action of nitric acid, hydrochloric acid and hydrofluoric acid, it can deal with the mixed dirt such as carbonate, silicate, sulphate, phosphate, sulphide and hydroxid, and so on. The washing effectiveness is good and the scope of application is extensive. Otherwise, it can enhance the operating life of strainer plate and can extend the serviceable range of ceramic filtering machine.

The present invention provides an eluent for repairing contaminated soil. The eluent comprises, by weight, 50-70 parts of a nonionic biosurfactant and 5-30 parts of an anionic surfactant. The compounding synergism of the nonionic biosurfactant and the anionic surfactant enhances the solubilizing effect of the eluent on organic pollutants in soil, especially polycyclic aromatic hydrocarbons, so theelution efficiency of the eluent is significantly improved; and the components of the elutent are biodegradable, so the eluent does not cause secondary damage to the environment in the use process, and is an efficient, clean and environmentally-friendly in situ eluent for repairing contaminated soil. The eluent provided by the invention is firstly foamed in the use process, so the spreading efficiency of an eluent solution in the soil medium is increased, the migration of the eluent in the horizontal direction is enhanced, and the uniformity and the repairing efficiency of the eluent in the soil are further improved.

The invention discloses a Gelatin derivative with multiple modifications, which not only has the general formula (I) structure, but also has at least one structure of the general formulas (II), (III) and (IV) at the same time, wherein, G is a Gelatin residue comprising an A-type Gelatin residue, a B-type Gelatin residue and a gene recombination Gelatin residue; R1 is an alkylidene or a polymer chain containing an aminoacyl bond; R2 is an alkyl or an arylamidase; R3 is an alkylidene, while R1 is a carboxyl or a carboxyl salt. The multiple modifications of the Gelatin comprises the aminoacyl bond hydrophobic modification of the Gelatin side chain amino, the aminoacyl bond Carboxylation of the Gelatin side chain amino, the aminoacyl bond sulfhydrylation of the Gelatin side chain amino and the sulfhydrylation after the aminoacyl bond Carboxylation of the Gelatin side chain amino. Besides, the invention also discloses the cross-linked copolymer, which can be used as the cell growth matrix etc. The Gelatin derivative with multiple modifications of the invention has flexible chemical structures and a plurality of performance.

The invention relates to a triad integration freckle-removing functional nano cream for skin external use and a method for preparing the same. The three types (night use type, daytime use type and auxiliary type) freckle-removing nano creams improve and optimize a novel international passive target transdermal drug delivery system (TDDS) as a carrier, and organically combine and solubilize freckle-removing functional components with different biological efficacies, action ways and physical and chemical properties to form a good mutual aid synergic function system which has remarkable effect of controlling and relieving colored patches (such as chloasma, inflammatory pigmentation, sunburn, and the like) caused by abnormal facial metabolism of pigment. The product has the advantages of tiny particle sizes of spherical particles, obvious passive target function, excellent adaptability, homodromous property, fluidity and dispersion, strong penetrability, even texture, subtleness, lubricity and luster, is simple and convenient to use, and is comfortable without pungency and side effects; besides, the appearance is light yellow with slight opalescence, is glittering and translucent, clear and transparent, sticky but not viscous, thick but not dense, and oily but not greasy, has good stability, excellent curative effect, short industrialization cycle and high production efficiency, saves time, materials and energy sources, dose not need special devices and heat energy, and is easy for popularization and application.

The invention relates to a ceramic membrane cleaning agent, which is characterized by comprising the following compositions in portion by mass: 50 to 60 mass portions of sodium hydroxide, 20 to 30 mass portions of calcium hydroxide, 5 to 10 mass portions of sodium hypochlorite, 5 to 10 mass portions of sodium dodecyl benzene sulfonate, 1 to 5 mass portions of sodium tetraborate, 1 to 10 mass portions of sodium silicate and 1 to 5 mass portions of methyl cellulose. The cleaning agent is simple and convenient to prepare, has good cleaning effect, has strong applicability on a Chinese medicinal liquid preparation, reduces the cleaning frequency of a membrane, does not need to disassemble a membrane tube, is easy and convenient to clean, is quick to restore the membrane flux, greatly shortens the cleaning time, reduces the energy consumption of a system, has small damage to the membrane tube, does not influence the service life of the membrane tube, avoids secondary pollution caused by the cleaning agent, and accelerates system regeneration.

The invention provides an alpha-asarone injection. In the preparation of the alpha-asarone injection, alpha-asarone (with the chemical name of 2,4,5-trimethoxy-1-propenylbenzene) is used as an activecomponent and carbowax-12-hydroxy stearate is adopted as a solubilizing agent to prepare an injection, thereby effectively solving the problem that the asarone is not dissolved in water, and greatly enhancing the medicament carrying quantity of the injection. The injection prepared by the preparation method has the advantages of good stability and simple preparation technology.

The invention belongs to the field of cleaning of oil base drilling cuttings, and particularly relates to an oil base drilling cuttings cleaning agent and a cleaning method thereof. The oil base drilling cuttings cleanings agent contains an epoxypropane or ethylene oxide nonionic surfactant, a sulfate or sulphosalt negative ion surfactant, short chain alcohol, sodium silicate, sodium salt except sodium silicate and water. The invention provides an oil base drilling cuttings cleaning agent which is high in oil removal efficiency, convenient in operation and low in cost and can be used repeatedly and a cleaning method thereof.

The invention discloses a pesticide synergic assistant and a preparation method thereof, belonging to the field of pesticide assistants. The pesticide synergic assistant is composed of plant oil or esterified plant oil, ethylene glycol diacetate, an emulsifier and a penetrant in a weight ratio of (60-100): (20-70): (20-50): (1-4). The pesticide synergic assistant enhances the wetting, spreading and infiltrating capacities of a pesticide medicine liquid remarkably, improves the deposit rate of liquid medicine fogdrops on the surfaces of plants, improves the control effect of the pesticide remarkably, reduces the application times, alleviates the environmental burden, and remarkably improves the economical benefit and social benefit.

The invention discloses low-filtration-loss blockage relieving fluid for acidification oilfield well. The blockage relieving fluid is prepared from the following raw materials in parts by weight: 20-40 parts of organic acid, 110-130 parts of composite acid body, 2-4 parts of corrosion inhibitor, 30-40 parts of micellar acid stabilizer solution, 1-2 parts of surfactant and 1-3 parts of sodium tripolyphosphate. The reaction speed of the blockage relieving fluid with quartz and feldspar minerals is higher than that of the blockage relieving fluid with clay minerals, so that acid liquid not only can eliminate the formation pollution, but also can well improve the original permeability of the formation; the acid liquor system has good adaptability with the formation, and secondary precipitatedacid slag is not produced in a formation treatment process, so that new pollution is not caused.

TThe invention relates to tristyrylphenol block polyether, sulfate ammonium salt and a preparation method thereof. The tristyrylphenol block polyether is prepared from tristyrylphenol, ethylene oxide, propylene oxide, a catalyst a and a catalyst b, and the structural formula of the tristyrylphenol block polyether is as follows: m is 10-30, and n is 25-35. According to the present invention, the prepared sulfate ammonium salt has characteristics of narrow molecular weight distribution, low raw material residue and wide application range, and the prepared sulfate ammonium salt has characteristics of low dynamic viscosity, high active matter content, light product color and close-to-neutral pH value, can well meet the requirements of high-end users and use under harsh conditions, and further has effects of permeation, wetting, dispersion and the like.

The invention provides a seaweed ammonium phosphate fertilizer and a preparation method thereof. The seaweed ammonium phosphate fertilizer is characterized by being prepared from a concentrated solution or powder of seaweed oligose phosphate and ammonium phosphate. According to the preparation method, the seaweed oligose phosphate is firstly prepared, the oligose molecular weight of the seaweed oligose phosphate is 1000-5000Da, by combining with the preparation technology of ammonium phosphate fertilizer, a seaweed monoammonium phosphate and seaweed diammonium phosphate fertilizer is prepared from 1-5 parts by weight of concentrated solution of seaweed oligose phosphate and 95-99 parts by weight of ammonium phosphate, or the seaweed monoammonium phosphate and seaweed diammonium phosphate fertilizer is prepared by 0.2-1 part by weight of powder of seaweed oligose phosphate and 99-99.8 parts by weight of ammonium phosphate. The seaweed oligose phosphate and ammonium phosphate fertilizer are combined, so that the absorptivity and use ratio of the ammonium phosphate fertilizer by crops are improved, soil hardening caused by application of a single ammonium phosphate fertilizer is relieved, the ecological environment of the farmland is optimized, the fertilizer disproportionality is lightened, and the preparation method is simple and reasonable.

The invention belongs to the technical field of biology and relates to a protein expression and purification system, in particular to an expression and purification system using a recombinant protein as a label. The protein expression and purification system is characterized in that the N end of a target protein is connected with a novel fluorescent protein sGFP (Green Fluorescent Protein) label, and the C end of the target protein is connected with histidine His peptide and is added with a polynucleotidase cutting site, thereby the protein is fused and expressed in full length; and meanwhile, a protease cutting site can be added between the target protein and the label as required. The protein expression efficiency of the system can be improved so that the yield of the target protein is improved, and the full-length protein is green in visible light so that the protein expression effect and a protein purification process can be monitored; and people can monitor the expression efficiency, the breaking degree and the purification process of the protein through naked eyes.

An organic acid composition for use in oil industry activities, said composition comprising: methane sulphonic acid; a metal iodide or iodate; and an alcohol or derivative thereof. The uses include: injection/disposal in wells; squeezes and soaks or bullheads; acid fracturing; acid washes or matrix stimulations; fracturing spearheads (breakdowns); pipeline scale treatments; cement breakdowns or perforation cleaning; pH control; and de-scaling applications.