69 results about "Solubility" patented technology

The invention is concerned with Gemini surfactant field. It relates to a kind of unbalance Gemini surfactant, in the chemistry structure, the m is 6 to 30, n is 0 to 30, and X is one or the mixture of some of H, CH3,C2H5,C3H7,Li+,Na+,K+ and NH4+, Y is one or the mixture of some of Li+, Na+,K+ and NH4+, and the m is 10 to 15, n is 0 to 15. It also relates to the produce and application of this surfactant. It has two different hydrophilic groups, one is sulfonate and the other is carboxylates or carboxylate. And the connecting group is phenoxy. This surfactant has all characters of Gemini surfactant, and the two hydrophilic groups have good water-solubility, water hardness stability, alkaline endurable and foam character for the industry, such as washing, weave and thrice oil extraction.

Epimers and isomers of tetrazole-containing rapamycin analogs and a pharmaceutically acceptable salt or prodrug thereof, are immunomodulatory agents and are useful in the treatment of restenosis and immune and autoimmune diseases. Also disclosed are cancer-, fungal growth-, restenosis-, post-transplant tissue rejection- and immune- and autoimmune disease-inhibiting compositions and a method of inhibiting cancer, fungal growth, restenosis, post-transplant tissue rejection, and immune and autoimmune disease in a mammal. One particular preferred application of such isomers and epimers of tetrazole containing rapamycin and 42-Epi rapamycin analogs is in medicated devices and local vascular delivery wherein the stability and lipid solubility and subsequently diffusion through tissue and cell membranes are essential to the success of rapamycin containing combination devices.

The invention discloses a probiotics and prebiotic compound preparation which comprises, by weight percentage, 10-20% of compound probiotics , 65-85% of compound prebiotics and 1-3% of chitosan oligosaccharide. The probiotics and prebiotic compound preparation has the advantages that selected chitosan oligosaccharide is a homopolymer or a heteropolymer formed by connecting glucosamine with N-acetyl-glucosamine through beta-1,4 glycosidic bond; chitosan oligosaccharide is the unique alkaline oligosaccharides known at present, chitosan oligosaccharide is degraded from chitin, is good in water solubility and easy to absorb, has no toxic or side effect on the human body and is good in biocompatibility, and the biological activity and functional properties of chitosan oligosaccharide are remarkably improved compared with chitin. Plenty of experiments indicate that the probiotics and prebiotic compound preparation has a very good proliferation effect on probiotics.

The invention discloses a double-tail four-functional hydrophilic UV (Ultraviolet) coating hardness assistant and a preparation method thereof. The preparation method comprises the following steps: firstly, reacting polyethylene glycol monomethyl ether, isocyanate and one-generation hyperbranched polymer to form a prepolymer I, and subsequently reacting a prepolymer obtained after crylic acid monomer is reacted with isocyanate with the prepolymer I, thereby preparing the double-tail four-functional hydrophilic UV coating hardness assistant. According to the preparation method, high-functionality hyperbranched molecules are adopted as primary reaction materials, the characteristics that the hyperbranched molecules are high in functionality but low in viscosity are taken, when the prepared hardness assistant is added into an aqueous UV resin, not only is the problem that a coating is always low in curing property but high in viscosity solved, but also the water solubility of the UV resin is improved, the hardness of the aqueous UV resin is also improved, and the application range of the aqueous UV resin is widened. When non-ionic polyethylene glycol methyl ether is connected to molecules, therefore the acid-alkali resistance of the coating is improved, an emulsion system is well stabilized, and experiment shows that the effect is good.

The present invention provides a temperature sensitive paint for low-temperature use which shows durability at low temperatures, has a high light emission intensity, and makes it possible to perform precise temperature measurements of surface temperature fields by applying the paint to the surface of an object and measuring the light emission even in cases where the measurement distance is long in, for example, a large cryogenic wind tunnel or the like. The temperature sensitive paint for low-temperature use contains a ruthenium complex having a high light emission intensity as a temperature sensitive luminophore, a urethane type polymer as a binder, and an alcohol organic solvent as a solvent. Use of an alcohol organic solvent makes it possible to dissolve a temperature sensitive luminophore at a high solubility and to increase the light emission intensity by raising the temperature sensitive luminophore concentration in the coating film, so that more precise temperature measurements can be performed. By using the urethane type polymer having the durability at low-temperature, it is possible to obtain durability where no cracks occur at low temperatures even when the film thickness is increased. Therefore, adjustment of the light emission intensity and surface treatment such as surface polishing and the like can be performed by using this temperature sensitive paint for low-temperature use.

The process of preparing high water solubility polyvinyl alcohol features that vinyl acetate monomer in 50-80 weight portions, methanol in 16-49 weight portions, vinyl monomer containing carboxyl group or amido group in 1-4 and initiator in 0.04-0.08 weight portion are reacted in a reactor equipped with thermometer, stirrer, reflux condensator and water bath at 60-65 deg.c for 3-6 hr; and the resultant is compounded with methanol into 30 % concentration solution and alcoholyzed with sodium hydroxide or potassium hydroxide to obtain high water solubility polyvinyl alcohol.

The present invention relates to a new process of synthesizing conductive polymers from monomers substituted with amine group. The process provides simple synthesizing steps for the conductive polymers without using other additives such as stabilizers or emulsifiers. The conductive polymers synthesized according to the present invention have highly enhanced solubility in common organic solvents and electrical conductivity compared to conventional conductive polymers. Therefore, the conductive polymers synthesized according to the present process can be utilized in applications that require high electrical conductivity, for example an electromagnetic interference shield or a transparent electrode of thin film, as well as in specific applications such as various conductive films, fibers, polymer blends, battery electrodes or conductive etch mask layers.

The invention discloses a high water-solubility ruthenium metal complex singlet oxygen fluorescent probe, a preparation method thereof, and an application thereof. According to the invention, a transition metal ruthenium is adopted as a central ion of the ruthenium complex; and anthracene nucleus derivatives with sodium (or potassium) sulfonate groups are adopted as ligands. The ruthenium complex has properties of a singlet oxygen fluorescent probe and a better water-solubility than existing anthracene nucleus derivative ligand ruthenium complexes. The ruthenium complex is suitable for quantitative or qualitative determinations of <1>O2 in neutral or basic system solutions.

The invention discloses a drilling water based plugging agent and a using method thereof. The plugging agent is prepared by using curing materials, filling materials, bridging materials and suspensionmaterials in ratio of (17 to 25) to ( 7 to 15) to ( 17 to 27) to (30 to 37), filtration time is less than 15s, a filter cake can be formed instantaneously, the loss of plugging materials and drillingfluid can be reduced, the plugging agent is an efficient plugging agent with high water loss, high strength and high acid solubility in one, and can be applied to any form of leakage, especially forpressure plugging and big leak in small cracks with best using effects after matching with clear water, mud systems, cement and the like according to proportion.

The invention discloses a formula and making method of camel milk powder. The formula of the camel milk powder comprises the following raw materials in parts by weight: 300-350 parts of fresh camel milk, 3-4 parts of galactooligosaccharide, 8-10 parts of whey protein powder, 0.2-0.25 part of vitamin A powder, 0.2-0.3 part of vitamin D powder, 0.5-0.7 part of nucleotide, 0.05-0.08 part of milk calcium, 5-7 parts of oat dietary fibers, 0.02-0.03 part of xanthan gum, 0.3-0.4 part of lecithin and 0.1-0.13 part of sodium carboxymethyl cellulose. The making method comprises the following steps of degreasing the fresh camel milk, performing sterilizing, performing granulation for the first time, and performing granulation for the second time, so as to obtain milk powder granules adopting a core shell structure. The formula and making method disclosed by the invention solve the problem that conventional camel milk powder is poor in solubility under normal temperature.

The invention discloses a prediction model for microorganism-derived dissolved organic nitrogen in sewage and application of the prediction model, and belongs to the technical field of sewage treatment. The prediction model is an ASM-mDON prediction model which is established according to operating parameters in the activated sludge treatment stage of a sewage plant, and component concentrations,kinetic parameters and stoichiometric numbers of influent water. The application specifically comprises the steps of (1) establishing the ASM-mDON prediction model; (2) measuring sewage components andparameters of the ASM-mDON prediction model; (3) predicting the concentration of microorganism-derived dissolved organic nitrogen in the sewage. The ASM-mDON prediction model is suitable for simulation of a steady-state biological sewage treatment system, and can solve the problem that in the actual sewage treatment process, microorganism-derived dissolved organic nitrogen is hard to quantify. Aprediction method has the advantages that prediction is quick, quantification is accurate and operation is convenient, and has practical significance in solving the problem of the quality of the sewage.

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.

A bifidobacteria colostrum-soluble soft capsule and a preparation method thereof. The invention relates to a bifidobacterium colon-soluble soft capsule and a preparation method thereof. The soft capsule includes two parts, a content and a rubber skin, and the shell of the soft capsule is processed to make it colon-soluble. The content of the soft capsule is a stable suspension prepared by mixing and stirring bifidobacterium freeze-dried powder, vegetable oil, suspending agent and wetting agent. In addition, the capsule shell has colonic solubility by impregnating the soft capsule with formaldehyde. The invention encapsulates the bifidobacterium freeze-dried powder soft capsule with vegetable oil as the carrier, has the effect of dissolving the colon, has good product stability, is convenient for transportation and storage, prolongs the shelf life, and jointly acts the bifidobacteria and vegetable oil on the colon , improve the disorder of intestinal flora, achieve the effect of laxative, and solve the pain caused by constipation. The invention is applied to the field of preparation of probiotics.

A characterization method for the solubility of ionic liquid is applied under atmospheric pressure for testing the function among ionic liquid and gas/gas molecules of volatile organic solvent, which is characterized by comprising: using an object ionic liquid as the sensitive film coat material of a resonator induction zone of a mass sensitive piezoelectric crystal detector; coating an ionic liquid film on the surface of the resonator induction zone; detecting the frequency change of the detector before and after acting with researched gas molecules to represent the function between the researched ionic liquid and the gas. The ionic liquid characterization method can obtain the solubility of ionic liquid in gas/volatile organics, and thermodynamic parameters as enthalpy, entropy, free energy change and the like in dissolution; and can research the function approach between ionic liquid and gas molecules. The measurement method is simple, fast and reliable, which can accelerate the development and application of ionic liquid.

The invention discloses a method for preparing chlorinated rubber by water phase photocatalysis, which comprises the following steps of: adding an emulsifier, a dispersing agent and natural latex into pure water in turn under stirring, regulating the pH value of turbid feed liquor to be 2 by using hydrochloric acid, adding a photocatalyst and a photocatalysis accelerator, introducing chlorine at room temperature for chlorination reaction under stirring and ultraviolet irradiation, and after the reaction is finished, deacidifying, washing, neutralizing, centrifuging and drying to obtain a finished white powder product. The content of the chlorine in the prepared chlorinated natural rubber is between 62 and 69 percent, and the product has high dissolubility; and the temperature is not required to be controlled strictly, the reaction can be finished in a single reaction kettle at room temperature, and the method is high in efficiency and easy to operate.

The invention discloses an organic corrosion inhibitor for inhibiting magnesium alloy corrosion and an application method of the organic corrosion inhibitor in an automobile cooling liquid or a corrosion aqueous solution. The corrosion inhibitor consists of the components in percentage by weight: 10-90 percent of pyrazine or/and piperazine and 10-90 percent of water or/and ethanol. According to the application method, the corrosion inhibitor is added into the automobile cooling liquid or the corrosion aqueous solution which immerses a magnesium alloy according to an adding amount of 50-1,000 ppm under a condition at the temperature of -50-90 DEG C. The using amount of the corrosion inhibitor disclosed by the invention is small; the corrosion inhibitor is high in corrosion inhibition efficiency and good in corrosion inhibition effect; under normal temperature, the corrosion inhibition rate can be over 90 percent. The corrosion inhibitor is organic, so that the common shortcomings of an inorganic corrosion inhibitor are overcome; the application temperature range is wide; the organic corrosion inhibitor is applicable to low temperature and normal temperature and can still effectively inhibit corrosion of the magnesium alloy in a solution medium with higher temperature, and the corrosion inhibition rate can be over 80 percent under the higher temperature. The corrosion inhibitor product disclosed by the invention has the advantages of simplicity in production, wide application range, no toxicity, no peculiar smell, complete water solubility, safety and convenience in operation, good economical property and the like.

The invention provides a high-pressure micro-jet carbon supplementing system for microalgae cultivation of a raceway pond. The high-pressure micro-jet carbon supplementing system a liquid portion, a gas portion, a high-pressure micro-jet device and a micro-sprinkler group, the liquid portion is used for providing high-pressure liquid, the gas portion is used for providing high-pressure CO2, the high-pressure liquid reversely and closely contacts with the high-pressure CO2, solubility of tiny CO2 bubbles formed by micro-jet is increased under the high-pressure condition, the CO2 is sufficiently dissolved in the liquid by adjusting flow of the gas and the liquid, and the liquid with the dissolved CO2 enters the micro-sprinkler group placed in the raceway pond and is eventually released into the raceway pond. The high-pressure micro-jet carbon supplementing system overcomes the shortcoming that a carbon source is directly supplemented in a gaseous CO2 form or by taking microalgae liquid as a CO2 carrier in the cultivation process of an existing raceway pond, and the carbon supplementing system is high in CO2 use ratio, uniform in distribution and simple to mount.

The invention discloses a degradation method of polymer procyanidins. The degradation method comprises the following steps: adding 5 to 10 times volume of lithium hydroxide aqueous solution with masspercent of 1 to 5 percent into the polymer procyanidins, carrying out stirring reaction at the temperature of 60 to 80 DEG C for 10 to 30 minutes and adding hydrochloric acid to terminate the reaction; then concentrating and freeze-drying. Oligomeric procyanidins obtained by the method has the advantages of high content, low polymerization degree, improved water solubility, reduced turbidity and high recovery rate; in addition, the oligomeric procyanidins can be applied to the fields of food, medicine, cosmetics and the like which have higher water-solubility requirements and the application range of the oligomeric procyanidins is expanded. The method is simple in process, and has low requirements on personnel and equipment in the implementation process; the used organic solvents have lowprice and can be recycled, so that the cost is low; after degradation, the content of the oligomeric procyanidins is increased and invariance of compositions in the raw materials can be ensured.

The invention provides a fotemustine solid lipid nanoparticle for injection and oral administration. The nanoparticle is characterized in that a lipid material and an emulsifier are used to encapsulate the fotemustine to prepare the fotemustine solid lipid nanoparticle with small particle diameter, high encapsulation rate, good stability and low toxicity. The prepared fotemustine solid lipid nanoparticle improves the solubility and the stability of the fotemustine, reduces vascular stimulation of the fotemustine, and prolongs the circulating time of the medicament in blood, thereby improving the curative effect of medicaments, and ensuring that preparations made of the solid lipid nanoparticle have the characteristics of low toxicity, low fotemustine solid lipid nanoparticle with low stimulation and high efficiency. The invention also relates to a method for preparing the fotemustine solid lipid nanoparticle, which has simple preparation process and low cost, and is applicable to industrial production.

The invention belongs to the technical field of food processing, and particularly relates to ready-to-eat diet linseed meal and a preparation method thereof. The ready-to-eat diet linseed meal and thepreparation method thereof are realized through the following steps of (1) performing linseed detoxifying; (2) performing mashing: mixing detoxified linseeds with water for mashing to obtain pulp forstandby application, and regulating the solid concentration of feed liquid for prepared pulp solids with deionized water or a vacuum rotary evaporation instrument; (3) performing emulsifying: addingan emulsifying agent; (4) performing homogenizing; and (5) performing spray drying with a pressure type spray drying machine to obtain the linseed meal. According to the ready-to-eat diet linseed meal, the condition that substances of unsaturated fatty acids, protein and the like contained in the linseeds are destroyed can be avoided, the obtained linseed meal has good solubility and fine mouth feel. The preparation technology is simple, the cost is low, and the preparation method is environment-friendly and convenient for mass production.

Provided are high purity sodium p-styrenesulfonate with an excellent hue which is useful as a reactive emulsifier or dispersant for producing a polymer emulsion, or synthetic starch for clothing ironing and poly(sodium p-styrene-sulfonate) with an excellent hue using the same or sodium p-styrenesulfonate improved in fluidity while keeping good solubility.

An aqueous p-β-bromoethylbenzenesulfonic acid solution and an aqueous sodium hydroxide solution are reacted under specific conditions to control the particle size, thereby obtaining sodium p-styrenesulfonate particles improved in a balance between fluidity and solubility, and further, impurities such as isomers are reduced, thereby obtaining high-purity sodium p-styrenesulfonate with an excellent hue.

The invention relates to an ulinastatin freeze-dried powder preparation and a preparation method thereof. Each 1,000 ulinastatin freeze-dried powder preparations are prepared from 25,000,000-100,000,000 units of ulinastatin, 1-30g of mannitol, 0-10g of sodium chloride, 0-5g of sodium hydrogen phosphate and 0-5g of sodium dihydrogen phosphate. The preparation method of the ulinastatin freeze-dried powder preparation provided by the invention has the characteristics that the ulinastatin and auxiliary materials are separately dissolved, and the active component ulinastatin is prepared when used; a freeze-dried former solution is prepared in a low-temperature environment of 2-4 DEG C, and the temperature range is kept in the overall configuration process, so that the stability of the ulinastatin is ensured; and a 'fast-slow-fast' three-step pre-freezing method is adopted in the freeze-drying pre-freezing process, so that the drying rate is improved, and the solubility is improved. The ulinastatin freeze-dried powder preparation prepared by the formula and the preparation method is relatively excellent in solubility and stability.

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.