312 results about "Mutual solubility" patented technology

The invention discloses a dehumidizer for air dehumidification. The dehumidizer provided by the invention is an ionic liquid solution formed by dissolving an ionic liquid in water, wherein the ionic liquid is formed by organic positive ions and inorganic negative ions, and the melting point of the ionic liquid is close to or is lower than room temperature. In addition, the invention further discloses a method and a device for air dehumidification by the adoption of the above dehumidizer. In comparison with traditional salting liquids (lithium bromide, lithium chloride and calcium chloride aqueous solutions and the like), the dehumidizer provided by the invention has the following advantages: 1) the applied ionic liquid solution is in the liquid state at normal temperature, is intermiscible with water, and will not be crystallized during operation, so as to guarantee the reliable operation of a system; 2) the applied ionic liquid solution has similar or lower water vapor pressure than a traditional dehumidifying salting liquid so as to raise the dehumidifying efficiency; 3) the applied ionic liquid solution will not corrode metal equipment such as steel equipment such that the equipment has low cost and long service life; 4) the dehumidizer has nonvolatility so as to reduce the environmental pollution.

There is provided an electrophoretic device which comprises an electrophoretic layer containing dispersion medium and electrophoretic particles dispersed in the dispersion medium, controls the position of the electrophoretic particles according to the electric potential applied to electrodes, and can maintain the electrophoretic particles at a desired position for a long time by using the dispersion medium formed of mixture consisting of a plurality of substances having small mutual solubility.

The invention discloses liquid crystal compounds containing tetrahydrofuran structure, and a preparation method and application thereof. The structural general formula of the compounds is disclosed as Formula I. The compounds have the advantages of stable structure, wide liquid-crystal-state temperature range and favorable low-temperature mutual solubility, can implement low threshold voltage and low rotary viscosity gamma 1 when being used in optical devices, and can improve the properties of the liquid crystal composition material and display device, thereby having an important meaning in quick response of display devices. The liquid crystal composition containing the compounds can be used for preparing liquid crystal displays with low drive voltage, wide temperature range and high response speed.

A heat source unit and refrigerant used in an existing refrigeration system are replaced with new refrigerant and a new heat source unit which employs the new refrigerant and is equipped with an oil separator and extraneous-matter trapping means. An indoor unit of the existing refrigeration system may be used, in its present form, or replaced with a new indoor unit. Further, connecting pipes used for the existing refrigeration are reused. After replacement of refrigerant, the refrigeration system performs an ordinary operation after having performed a cleaning operation. The extraneous-matter trapping means is provided in a refrigerant pipe close to the heat source unit or in a bypass channel connected to the refrigerant pipe close to the heat source unit. Alternatively, only the heat source unit of the existing refrigeration system is replaced with a new one, and there is employed refrigeration oil which has no mutual solubility with respect to HFC or has very low mutual solubility.

The invention relates to a preparation method of microcapsules. A used organic compound is soluble in a medium-polarity organic solvent mutually soluble with water, but insoluble in both water and a non-polarity (or weak-polarity) solvent mutually insoluble with water. The organic compound is taken as core material and dissolved with wall material in a mixed solvent formed by a medium-polarity organic solvent mutually soluble with water and an organic solvent mutually insoluble with water, and then a combined method of phase separation and solvent evaporation is carried out to prepare the microcapsules of the organic compound. The preparation method has simple process, is liable to be magnified, friendly to the environment and capable of cutting cost and recovering the solvents.

The invention relates to a method for connecting a TiNi shape memory alloy and an austenitic stainless steel heterogenetic material, and belongs to a heterogenetic material connection technology. In the method, aiming at the welding problem of the TiNi shape memory alloy and the austenitic stainless steel heterogenetic material, on the basis of the characteristics of limitless mutual solubility of copper and nickel, finite solid solubility of copper and titanium, iron and chromium, higher strength and plasticity of copper solid solution, lower brittleness of a copper-titanium intermetallic compound and the like, the copper solid solution can be extracted from a welding line region and the brittle intermetallic compounds can be reduced by adopting a pure copper packing material (a copper middle layer or a copper welding wire) and reducing the penetration ratio of a TiNi alloy base material, so the strength and flexibility of a welding joint between the TiNi shape memory alloy and the stainless steel heterogenetic material. The method comprises the following processes of: adding the pure copper middle layer (pure copper welding wire), adjusting the position of a heat source, protecting a welding region, and melting and welding.

In an apparatus having a refrigeration cycle, the refrigeration cycle is formed by annularly connecting a compressor, a condenser, an expansion device and an evaporator with one another, the apparatus uses propane, isobutane or ethane as a refrigerant, and uses refrigerating machine oil having less mutual solubility with the refrigerant, and a dryer is provided in the refrigeration cycle for absorbing water. In stead of the dryer, an additive which reacts with water may be included in said refrigerating machine oil. With this arrangement, the amount of the refrigerant can be reduced, and the long term reliability of the apparatus can be obtained.

The invention discloses a method for enhancing oxidation resistance of edible vegetable oil or fish oil by using a natural antioxidant, which comprises the following step: dissolving the natural antioxidant powder (polyphenol compounds, such as tea polyphenols and carnosic acid) in high-polarity oil (propanediol octanoate) while assisting dissolution with an ultrasonic vortex instrument, wherein the dissolution required lime is directly proportional to the dissolved amount. The natural antioxidant high-load grease has favorable mutual solubility with edible vegetable oil and fish oil, and the addition amount is 10-4000 ppm, thereby obtaining favorable oxidation resistance effect.

The invention relates to a liquid crystal composition which comprises the following components in parts by weight: 1-30 parts of compound disclosed as general formula I and 10-70 parts of compound disclosed as general formula II. The liquid crystal composition has the advantages of low rotary viscosity, high elastic constant, favorable low-temperature mutual solubility and high response speed, can be used for multiple display modes of quick-response liquid crystal display, and can obviously improve the display effect of the liquid crystal display device in TN (twisted nematic), IPS (in-plane switching) or FFS (fringe field switching)-mode display devices.

The invention discloses a sheet bonding method in a substrate thinning technique, which comprises the following steps: coating an electron beam photoresist on the front surface of a substrate; coating a PMGI layer on the electron beam photoresist; bonding the front surface of the substrate onto a thinning sheet support by using high temperature wax; bonding the thinning sheet support onto a thinning glass sheet by using low temperature wax; carrying out thinning technique on the back surface of the substrate; removing the low temperature wax, and taking the thinning sheet support with the substrate off the thinning glass sheet; and completing subsequent photoresist removal after other back surface techniques, and separating the substrate from the thinning sheet support. The method effectively solves the problem of mutual solubility between the photoresist and high temperature wax, and enhances the technical efficiency and technical yield of the thinning technique.

The invention relates to a composite capillary core with differential thermal coefficients for a loop heat pipe and a preparation method of the composite capillary core. A thermal coefficient of the composite capillary core close to an evaporator side of the loop heat pipe is higher than that of the composite capillary core close to a compensator liquid side of the loop heat pipe. The preparation method of the composite capillary core with differential thermal coefficients comprises the following steps of: selecting sintering material matrix metal powders with an infinite mutual solubility and preparing a powder mixture with different mass proportions; filling the mixed powder mixture with different mass proportions in a mould layer by layer; carrying out cold press moulding on the powder mixture after the powder mixture is filled in the mould to form the shape and size required by a capillary core; and at last, sintering the powder mixture to prepare the composite capillary core with differential thermal coefficients. Since the composite capillary core has differential thermal coefficients, the heat transfer performance of the loop heat pipe can be favorably improved and heat control requirements of the loop heat pipe with performances of large heat transfer power and long-distance transmission can be met; and the composite capillary core with differential thermal coefficients can be used for developing efficient loop heat pipes and can be applied to the fields such as aviation heat control and ground electronic equipment cooling and the like.

The invention provides a method for preparing a rubber powder masterbatch capable of quickly dispersing modified asphalt and belongs to the technical field of asphalt modification. The prior art has the problems of poor mutual solubility of rubber powder and asphalt, complex preparation process, and the like. The method comprises the following steps that: by weight portion, 100 portions of rubber powder, 50 to 200 portions of asphalt, 10 to 40 portions of modifying agent and 10 to 20 portions of wax are put into a rubber refining machine to be mixed at a temperature of between 60 and 80 DEG C for 15 to 35 minutes, and then extruded and granulated to prepare the masterbatch with high rubber powder content. The rubber powder masterbatch can be directly applied to the material mixing stage, and be dispersed in the asphalt within one minute at a temperature below 200 DEG C with excellent modification effect.

The invention belongs to the technical field of polyurethane elastomers, and particularly relates to a low-temperature-resistant low-density polyurethane sole product composition material and a preparation method thereof. The composition material comprises a component A and a component B according to a weight ratio of 100:65-105, wherein the raw materials of the component A comprise polyether ester polyol A, polyester polyol B, polyether polymer polyol C, a chain extender, a cross-linking agent, a foam stabilizer, a catalyst and a foaming agent, the component B is polyol-modified isocyanate, and the NCO content is 18-25%. According to the present invention, with the application of the combination material to prepare the low-temperature-resistant low-density polyurethane sole, the problem of mutual solubility of polyester and polyether in the material A is effectively solved, and the added polyether polymer polyol can be purchased at a reasonable price on the market so as not to increase the raw material cost; and the low density sole prepared according to the composition material has excellent low-temperature resistance.

The invention provides a long acting drug delivery system, which comprises fulvestrant or derivatives thereof and takes phospholipid as a sustained release material. The invention mainly discloses a high concentration formula of fulvestrant or derivatives thereof. The main component is fulvestrant or derivatives thereof. The sustained release material is different phospholipids or a mixture of phospholipids and different kinds of plant oil. The solvent is at least one of ethanol, ethyl lactate, 1,2-propylene glycol, and ethyl acetate. The analgesic is benzyl alcohol, lidocaine, procaine, or ropivacaine. The viscosity of the formula is 20-45 mPa.s, and the concentration of the formula is 60-300 mg/mL. The antioxidant of the formula is Ve, lipoic acid, and the like. The phospholipids can increase mutual solubility and has a sustained release function. The preparation is prepared in an aseptic filtration mode.

The invention discloses a liquid crystal composition and an application thereof. The liquid crystal composition comprises at least one compound of formula I, and at least one compound of formula II. The liquid crystal composition provided by the present invention has suitable optical anisotropy and has a relatively large elastic constants K11 and K33 while a relatively high clearing point, relatively low dielectric anisotropy, and good low-temperature mutual solubility are maintained. When the liquid crystal composition is applied to a liquid crystal display, the liquid crystal composition canhave the advantages of fast response, high contrast, large temperature width and the like.

The invention discloses a preparation method of a Si-C-N ceramic precursor. The preparation method comprises the following steps of: dissolving silicon-containing chlorosilane in an organic solvent which in immiscible with water, carrying out ammonolysis by virtue of aqueous alkali of a compounding containing -NH-, separating oil phase from water phase, and rotatably evaporating the oil phase at the boiling temperature of the organic solvent, to obtain liquid polysilazane; and putting the liquid polysilazane in a three-opening flask, and in the presence of N2, Ar or vacuum atmosphere, and continuously carrying out curing reaction for 12-72 hours at the temperature of 50-250DEG C, wherein the obtained solid product is the Si-C-N ceramic precursor. According to the preparation method, interfacial polymerization is adopted, so that the influence of byproducts on the purification and yield of polysilazane can be avoided, the reaction working procedures can be simplified, and the reaction time can be shortened; and the reaction process is easy to control, the synthesis yield reaches up to 90%, the product is high in purity, and a pyrolysis product is good in high temperature resistance and oxidation resistance.

The invention relates to a preparation method of a high-durability hydrophobing agent, which comprises the following steps: (1) hydrolysis of long-chain fluoroalkyl low-surface-energy substances: adding long-chain fluoroalkyl low-surface-energy substances, a catalyst and water into an organic solvent, and stirring so that the long-chain fluoroalkyl low-surface-energy substances have the activity of reacting with hydroxy group; and (2) extraction: adding a perfluoro solvent into the system, extracting the hydrolyzed long-chain fluoroalkyl low-surface-energy substances into the perfluoro solvent by utilizing favorable solubility of the long-chain fluoroalkyl low-surface-energy substances in the perfluoro solvent, and removing the supernatant liquid, thereby obtaining the hydrophobing agent. The invention also provides a preparation method of hydrophobic glass with high performance, which comprises the following step: preparation of hydrophobic film layer: coating the hydrophobing agent on the surface of the glass to prepare the hydrophobic film layer, thereby obtaining the hydrophobic glass. The perfluoro solvent can improve the solubility of the long-chain fluoroalkyl low-surface-energy substances and prevent the long-chain fluoroalkyl low-surface-energy substances from polymerization and crystallization; and the perfluoro solvent is hardly dissolved in water, thereby avoiding water in the system, enhancing the reaction density between the long-chain fluoroalkyl low-surface-energy substances and the hydroxy group on the glass surface, and improving the durability of the hydrophobic film layer.

The invention provides a composition for underground modification, viscosity reduction and catalysis of crude oil. The composition comprises the following components in percentage by weight: 30wt%-50wt% ofcatalysts, 45wt%-70wt% of solvent and 0.1wt%-1wt% of solubilizer, wherein the sum of the weight percentages of the components is 100%; the catalyst is organic metal salt, the solvent comprises an organic solvent and/or a petroleum product, and the solubilizer is a surfactant. According to the composition, water is taken as a medium to be injected into an oil deposit, so that the operation is simple, and the costs for the catalysis, modification and viscosity reduction of thickened oil can be effectively reduced; after entering the oil deposit, the composition can be well mutually dissolved with the crude oil, so that the catalysis efficiency can be effectively increased.

The invention discloses liquid crystal compounds containing 2-alkyltetrahydropyrane structure, and a preparation method and application thereof. The structural general formula of the compounds is disclosed as Formula I. The compounds have the advantages of stable structure, wide liquid-crystal-state temperature range, favorable low-temperature mutual solubility and high clearing point, can implement low threshold voltage and low rotary viscosity gamma 1 when being used in optical devices, and can improve the properties of the liquid crystal composition material and display device, thereby having an important meaning in quick response of display devices. The liquid crystal composition containing the compounds can be used for preparing liquid crystal displays with low drive voltage, wide temperature range and high response speed.

The invention relates to an additive for improving the wettability of pulverized coal, which comprises the following components in percentage by weight: 15 to 40 percent of organic sulfoacid, 10 to 25 percent of fatty alcohol-polyoxyethylene ether, 14 to 35 percent of low-level fatty alcohol, 2 to 15 percent of ethanolamine and 31 to 53 percent of water. The additive is prepared by directly mixing the components at room temperature, can be directly added into liquid for the fracture reformation of coal-bed gas fields, and has mutual solubility with other additives and good compatibility, and is easy to disperse; and the using coal-bed temperature is between 0 and 80 DEG C, the using mass concentration of the additive is between 0.5 to 5 percent, and the additive effectively solves the problem of the effect of the output of the pulverized coal on the energy output of coal-bed gas wells, and promotes the high and stable yield of the coal-bed gas wells.

The invention provides a raw material formula of the anti-phase ion exchange electricity chromatographic column: ionic compound monomer; neutral compound monomer; initiator; the hole-making. According to the above raw material formula, the neutral compound monomer and the ionic compound monomer carries on the polyreaction in the capillary vessel, joins the hole-making and the initiator in the polyreaction, then prepares the anti-pjase ion exchange electricity chromatographic column. The invention has solved the mutual solubility question which between the ionic compound monomer and the neutral monomer, may satisfies the continuously sharp separation request of the neutrality, acidity and alkaline matter; the pillar has good insightful performance, is suitable to the high concentrated buffer salt system; when preparing, no longer need to burn the plug on the two ends of the pillar, also has avoided the difficulty of filling up the pillar.

The liquid environment protecting fuel is prepared through mixing methanol or ethanol in 9-40 wt%, with viscosity improver 7-13 wt%, smoke and smell eliminating agent 1-3.6 wt%, cosolvent-pour point reducer 1-11.2 wt%, antioxidant 0.1-0.5 wt% and combustion improving cleaning agent 0-2 wt% via slight stirring, mixing the mixture with diesel oil in 40-77 wt% via slight stirring; and reaction at rest state for 6-12 hr. The liquid fuel has easy-to-obtain material, low cost, good mutual solubility, full combustion and less exhausted waste.

A gradient refractive-index (GRIN) plastic rod comprises a monomer, a surfactant monomer (surfmer), and nanoparticles. The surfmer, which keeps nanoparticles and polymers in a good mutual solubility, can increase a content of nanoparticles, and thus overcome a problem of the resulting opaque plastic rod caused by introducing nanoparticles in the prior art. Moreover, nanoparticles can increase a difference of refractive index, the numerical aperture and a transmission efficiency of the GRIN plastic rod.

The invention relates to a ginkgolide injection and a preparation method thereof. The ginkgolide injection contains an active component and adjuvant for injection, wherein the active component is composed of ginkgolide A and ginkgolide B. Experimental studies shows that the preparation containing the combination of ginkgolide A and ginkgolide B has synergic effect and excellent mutual solubility thereof, increases the solubility of ginkgolide B and improves stability at a low temperature. Tests prove that the inventive ginkgolide injection has improved stability at a low temperature, so that the shelf life, safety and effectiveness of the injection in cold areas are improved.

The invention discloses a method for desulfurizing fuel by extracting of a three-component eutectic agent including alkyl alcohol, tetra-alkyl ammonium halide and protonic acid. The method comprises the following steps: mixing the three-component eutectic agent with the catalyst-to-oil of 1: 1-1: 3 with fuel with the sulfur content of 100-600 ppm; and extracting for 5-30 minutes under the conditions that the stirring speed is 440-880 r/min and the temperature is 20-30 DEG C. The protonic acid is introduced as a third component, the desulfurization degree of the eutectic agent is increased remarkably, the mutual solubility of the eutectic agent to the fuel is reduced remarkably, and efficient separation and circulation of a desulfurizing agent are realized. The desulfurizing method is simple to operate, easy to realize, low in cost and low in environmental pollution, and has good application prospect.