452results about How to "Not easy to crystallize" patented technology

The invention provides a nonaqueous electrolyte material, which consists of fluorosulfonylimide lithium and organic solvent with dielectric constant less than 30, and the organic solvent is selected from one or more of chain-like carbonate solvent, phosphate solvent, siloxane solvent, boroxane solvent, acetate solvent, propionate solvent, butyrate solvent, CF3OCH2CH2OCF3 solvent, C2H5OCH2CH2OCH3 solvent, C2F5OCH2CH2OCF3 solvent, 1,3-dioxolane solvent and aliphatic nitrile solvent with more than two carbon atoms. The ionic conductivity of the nonaqueous electrolyte material is 0.01mS / cm to 18mS / cm, the lithium ion transference number is tLi plus equal to 0.2 to 0.8, and the applicable temperature range is 80DEG C below zero to 60DEG C below zero. The invention also provides an application of the nonaqueous electrolyte material in the preparation of lithium batteries and super capacitors. Furthermore, the invention provides a lithium battery and a super capacitor which contain the nonaqueous electrolyte material of fluorosulfonylimide lithium.

The invention relates to a process for synthesizing vinyl acetate catalyst through an acetylene method. The process which treats active carbon as a carrier and zinc acetate as an active component comprises the following steps: adding zinc acetate to water to prepare an aqueous solution of the active component, immersing active carbon in the aqueous solution of the active component to make the zinc acetate component be dipped on the active carbon, drying the dipped active carbon in a drying tower to obtain the acetylene method vinyl acetate catalyst, galvanizing the dipped active carbon in the drying tower to heat the active carbon in order to complete the drying of the catalyst. Compared with the prior art, the process provided in the invention has the advantages of high activity, long life and the like.

The invention relates to a preparation method of a high-purity copper target material. The preparation method comprises the steps of preheating a high-purity copper ingot; forging the high-purity copper ingot in the preheating process and performing heat treatment for the first time; calendering the high-purity copper ingot subjected to heat treatment for the first time to form a copper plate material, and performing heat treatment for the second time to form a copper target blank; machining the copper target blank to form the high-purity copper target material. The high-purity copper target material with the grain size being less than 100 microns and an excellent spattering direction can be manufactured by adopting the technical scheme of the invention.

The invention discloses a branched waterborne epoxy curing agent and a preparation method thereof: monoepoxy compound is firstly used for carrying out the end-blocking reaction of one end of aliphatic polyamine or aromatic polyamine or the aliphatic polyamine or the aromatic polyamine which undergoes the chain extension by polyether alcohol diglycidyl ether or polyether epoxy resin, and primary amine hydrogen at the other end of the polyamine is simultaneously maintained. Then, novolac epoxy resin or novolac epoxy resin solution is dipped in the solution of the intermediate product of the reaction for carrying out the branching reaction; after that, distilled water solution of monoatomic organic acid is dripped in adduct after the branching for carrying out the salt forming dispersion reaction; and the branched waterborne epoxy curing agent is finally prepared. When in use of the branched waterborne epoxy curing agent of the invention and waterborne epoxy resin component, the branched waterborne epoxy curing agent has the advantages of low viscosity and long application period; and the cured product can overcome the shortcoming of brittle performance of the ordinary epoxy resin material on the premise of keeping good heat resistance.

The invention is concerned with a kind of sugarless gel soft candy and its produce method. It relates to gelatin, food grade Pullulan, sorbitol, maltitol, isomaltitol, Erythritol, sour material, flavoring essence, natural edible pigment and water. Mix gelatin and Pullulan to get liquid of glue, dissolve sorbitol, maltitol, isomaltitol and Erythritol to get sirup, and mix the liquid of glue and sirup to get mixed material liquid. Add sour material, flavoring essence and natural edible pigment into the mixed material liquid, pour, mold and dry till with 12 to 20 percent of water to get the production. The added stuffs have good effect to agglomerate with good elasticity for the compound using of gelatin and Pullulan. The production is not easy to becoming into the crystal for using sorbitol, maltitol and isomaltitol. This invention has great importance for the new production technology field for sugarless gel soft candy.

The invention relates to benzothiadiazole-based multi-arm conjugated molecules as well as a preparation method and applications thereof as an active layer material in organic semiconductor devices such as an organic light emitting diode (OLED), an organic photovoltaic (OPV) and an organic field effect transistor (OFET). The benzothiadiazole-based multi-arm conjugated small molecules in the invention have higher luminous efficiency, better sunlight capture capability and hole transmission capability, and good solution processability and thermal stability, are ideal materials for organic semiconductor devices, such as the OLED, the OPV, the OFET and the like, and have the structure as shown in the general formula disclosed in the specification.

The invention discloses a quasi-solid-state lithium battery and a preparation method thereof. The quasi-solid-state lithium battery comprises a negative electrode, a positive electrode and a diaphragm, and also comprises a quasi-solid-state electrolyte dispersed among the surfaces of the negative electrode, the positive electrode and the diaphragm and gaps among the negative electrode, the positive electrode and the diaphragm. The quasi-solid-state electrolyte comprises a polymer phase, and a ceramic electrolyte, a lithium salt and a flame-retardant organic solvent which are dispersed in the polymer phase, wherein the polymer phase is formed by in-situ polymerization of composite acrylate monomers; and the composite acrylate monomer comprises a star-shaped acrylate monomer and a chain-shaped acrylate monomer. According to the quasi-solid-state lithium battery disclosed by the invention, the problem that the safety of the battery is reduced by liquid electrolyte is solved, and the problem that the cycle performance of the battery is reduced due to dissolution of solid polymer electrolyte is also avoided. Therefore, the quasi-solid-state lithium battery has excellent safety performance, high conductivity and excellent cycling stability.

The invention provides an arylamine compound and an organic luminescent device thereof, and relates to the technical field of organic photoelectric materials. The arylamine compound is obtained by connecting substituted or un-substituted carbazole, benzothiophene and a thick derivative of benzofuran onto an arylamine main body, so that with cavity transmission ability is relatively strong, good thermal stability is good, good film-forming property is good and synthesis is simple and easy easy-to to-operate synthesis. The arylamine compound can be applied to the organic luminescent device as acovering layer of or a cavity transmission layer, so that the problem that carrier transmission in the organic luminescent device is unstable and light out-coupling efficiency is low in the organic luminescent device can be effectively solved; and the organic luminescent device has the advantages of being high in luminescent efficiency and long in service life.

The invention discloses an organic electroluminescent material containing boron and nitrogen and application thereof on organic electroluminescent devices, and belongs to the technical field of semiconductors. The organic electroluminescent material containing boron and nitrogen has a structure shown in a general formula (1). The invention also discloses an application of the organic electroluminescent material containing boron and nitrogen on organic electroluminescent devices. The organic electroluminescent material containing boron and nitrogen is composed of boron groups, the rigidity of boron groups is high, and the organic electroluminescent material has the advantages that molecules are not prone to crystallization or aggregation, and the film-forming property is good. When the organic electroluminescent material containing boron and nitrogen is used as a luminescent layer material of an organic electroluminescent device, the current efficiency, the power efficiency and the external quantum efficiency of the device are greatly improved; and meanwhile, the service life of the device is obviously prolonged.

The invention belongs to the technical field of polyurethane coatings and discloses a low-surface-energy polyurethane photocureable coating and a preparation method thereof. The coating comprises the following components in parts by weight: 100 parts of a low-surface-energy polyurethane prepolymer, 0.01-50 parts of an active diluent, 0.5-10 parts of a photoinitiator and 0.5-10 parts of an assistant. A fluorinated acrylate modified polyurethane polymer is synthesized with a chemical method, and high-fluorine-content polyurethane with relatively uniform phase distribution is obtained, unlikely to be separated, unlikely to be separated out and crystallize and made into the photocureable coating. The coating has the characteristics of a fluorinated compound and polyurethane, has excellent performances such as water resistance, oil resistance, acid and base resistance, chemical corrosion resistance and the like as well as good adhesion, can be quickly cured through ultraviolet irradiation and is improved in cohesion. With the adoption of ultraviolet curing, the preparation method has the characteristics of low energy consumption, environmental protection, energy conservation and high efficiency.

The invention discloses an arylamine compound containing fluorene groups and an organic light-emitting device thereof and relates to the technical field of organic photoelectric materials. The arylamine compound disclosed by the invention has the beneficial effects that the fluorene groups are three-dimensional space structure, so that the intermolecular aggregation can be effectively prevented and the crystallization is not easy; due to the advantages of easy modification and strong rigidity in the fluorene groups, the compound is stable in structure, and especially for indenofluorene groups,the rigid characteristic of the fluorene groups is improved, the stability of the compound containing the structure is greatly improved and the molecular weight of the compound is increased, so thatthe vitrification temperature is high; after the arylamine compound is applied to the organic light-emitting devices as a cavity transmission layer, the device shows the advantages of low driving voltage and high light-emitting efficiency, and is superior to the existing common OLED (Organic Light Emitting Diode) devices; the arylamine compound shows good application effect in the OLED light-emitting devices, so that the industrial prospect is good.

The invention provides optical glass for precision compression, a preformed unit for precision compression and an optical element, wherein the nd is between 1.65 and 1.75, vd is between 50 and 60 and the transformation temperature Tg is less than 540 DEG C. The optical glass comprises the following compositions by weight percentage: 0 to 15 percent of SiO2, 28 to 43 percent of B2O3, 21 to 35 percent of La2O3, 0 to 15 percent of Gd2O3, Y2O3 and Yb2O3, 3 to 13 percent of ZnO, 1 to 8 percent of Li2O, Na2O and K2O, 1 to 20 percent of MgO, CaO, SrO and BaO, 0 to 8 percent of ZrO2, 0 to 0.1 percent of Sb2O3, 0 to 0.5 percent of SnO2, and 0 to 3 percent of Ta2O5, WO3, Nb2O5 and TiO2. The optical glass prolongs the service life of a mould, realizes high-efficiency production, and simultaneously can also reduce the production cost of the optical element.

The invention provides an organic electroluminescence device and relates to the technical field of organic electroluminescence. According to the invention, compounds shown as chemical formula I and IIare applied to the organic electroluminescence device, are jointly used as a hole transport layer of the device and are adaptively combined with each other, so that heat stability and carrier transport property of the material are effectively promoted, compounding probability of carrier is promoted, driving voltage of device is effectively reduced, luminous efficiency of device is increased, service life of device is prolonged and the problems of low heat stability of material, short service life and low luminous efficiency of the organic electroluminescence device are effectively solved.

The invention belongs to the technical field of medicines, and particularly relates to 4-[2-[1-(2-ethoxy ethyl)-1H-benzodimazole-2-based]-1-piperidyl] ethyl]-alpha, alpha-methyl phenylpropionic acid (bilastine) crystal and a preparation method thereof. According to the method, bilastine is added into an organic solvent, heated to dissolve and then cooled to crystallize to obtain the bilastine crystal.

The invention relates to a novel crystal form and a preparation method of hemisuccinate of 7-cyclopentyl-2-(5-piperazin-1-yl-pyridin-2-yl amino)-7H-pyrrolo[2,3-D]pyrimidine-6-carboxylic acid dimethylamide and a novel crystal form and a preparation method of monosuccinate. The novel crystal forms of hemisuccinate and monosuccinate of a compound represented by a formula (I) (shown in the specification) have the beneficial performance of good stability, relatively low hygroscopicity, process exploitability and tractability, are low in cost and have important values on the optimization and development of drugs in further, and the preparation methods are simple.

The invention discloses an electroluminescence material based on anthracene derivatives as well as a preparation method and application thereof. The electroluminescence material based on the anthracene derivatives is of a 7-membered condensed ring structure; better planarity is realized; the injection and the transmission of current carriers are facilitated; the photoelectric performance of the material is improved; through a fused ring structure, the anthracene derivatives have good rigidity; the heat-resistant capability of the material is favorably improved; the practical requirements of the material are met. Through Suzuki coupling reaction, Uhlmann coupling reaction, still coupling reaction and the like, the electroluminescence material based on anthracene derivatives is obtained; theelectroluminescence material has good dissolution performance; the common organic solvent dissolution is used; a film is formed through rotary coating, ink printing or printing film forming; a luminous layer of a light emitting diode is obtained through preparation.

The invention relates to a macrocyclic aromatic-amine structured compound as well as a preparation method and application thereof. The material is an electron-rich macrocyclic compound, the structure of which contains tertiary aromatic amine and fluorene structures. The designed and synthesized electron-rich mono-disperse tertiary-aromatic-amine macrocyclic compound has the structures shown in a general structural formula I or a structural formula II. The shown tertiary-aromatic-amine macrocyclic compound has difficultly-crystallized three-dimensional stable conformation and high glass transition temperature, can form a stable and uniform unformed film, has no fluorescence emission and lower oxidizing potential in a visible light region and is used as a hole-transporting material for a photoelectric conversion device under an equal testing condition, and the maximum fluorescence brightness of the compound is greatly improved compared with that of a traditional hole-transporting material 4,4'-di(N-phenyl-N-naphthyl)-biphenyl (NPB).

The invention provides an aromatic amine derivative, and a preparation method and the application of the aromatic amine derivative, and relates to the technical field of organic optoelectronic materials. Through the design of molecular structure optimization, the aromatic amine derivative provided by the invention has an excellent hole transmitting capacity and can be used for preparing an organic light-emitting device, and particularly by serving as the hole transmitting material of the organic light-emitting device, the aromatic amine derivative shows advantages of high efficiency and long service life, which are superior than those of a conventionally used OLED (Organic Light Emitting Diode) device. The invention further provides a preparation method of the aromatic amine derivative, and the preparation method is simple and raw materials are easy to access.

The invention provides an arylamine derivative and an organic electroluminescent device thereof, and relates to the technical field of organic photoelectric materials. According to the invention, a fluorene-derived group and a large steric hindrance group are bonded with a main structure of triarylamine to obtain the arylamine derivative. The arylamine derivative has good hole transporting abilityand thermal stability, is liable to form a film, simple to synthesize and easy to operate, can be applied to the organic electroluminescent device as a hole transporting layer, and can effectively solve problems that the hole transporting material in the organic electroluminescent device is poor in thermal stability, low in possibility of forming a film, low in light-emitting efficiency of deviceand serious in roll-off; and the organic electroluminescent device has the advantages of low driving voltage, high light-emitting efficiency and long service life.

The invention provides an efficient biogas slurry fertilizer and a preparation method thereof. The efficient biogas slurry fertilizer is prepared from, by mass, 32%-57% of biogas slurry, 10%-32% of ammonium nitrate phosphate, 5%-27% of urea, 9%-15% of potassium nitrate, 5%-7% of ammonium sulphate, 5%-13% of ammonium dihydrogen phosphate, 0.5%-2% of borax, 0.74%-3% of EDTA magnesium, 0.4%-1.5% of EDTA zinc, 0.4%-1.5% of EDTA manganese, 0.08%-0.15% of DA-6 and 5%-7% of potassium fulvate. The efficient biogas slurry fertilizer is prepared by utilizing fruit and vegetable waste anaerobic-fermentation substrate biogas slurry, healthy development of green agriculture is also achieved while the biogas slurry utilization way for solving the gradual output increase problem is provided, and the problems of environmental pollution, resource shortage and planting safety of big cities are solved. Compared with direct biogas slurry application, the biogas slurry fertilizer is more comprehensive in nutrition and higher in content, reaches the standards of NY1106-2010 humic acid-containing water-soluble fertilizers, different forms of nitrogen sources are combined, and nitrate nitrogen, ammonium nitrogen and amido-nitrogen in the nitrogen sources can be organically combined and blended according to different crops and different climates, so that the fertilizer efficiency is higher and longer, the utilization rate is higher, precipitation and crystallization are not likely to occur, and the stability and a usage effect are good.

The invention provides an anthracene-containing compound, a synthesis method thereof, and an organic electroluminescent device, and relates to the technical field of organic photoelectric materials. In the invention, different ligands are connected to a main structure formed by connecting anthracene and acridine, thus regulating molecular weight, [pi]-conjugation degree and electrophilicity of thematerial, enhancing charge transmission capability, balancing carrier injection and increasing glass transition temperature. The compound is not liable to crystallize and has good film forming performance. The synthesis method is simple and easy to carry out. The compound can be used for producing the organic electroluminescent device, especially as a luminescent layer main body and an electron transfer layer material in the organic electroluminescent device. The organic electroluminescent device has high luminous efficiency and long service life.

The invention discloses a method for preparing 2,4-D choline aqueous solution, which comprises the following step of: reacting choline aqueous solution with a 2,4-D technical in an alkaline environment by using water as a medium to obtain the 2,4-D choline aqueous solution, wherein the reaction temperature is between 50 and 60 DEG C. The 2,4-D choline aqueous solution and a 2,4-D choline technical can be prepared by the method. The obtained 2,4-D choline is environment-friendly, has high stability, low volatility, light peculiar smell and a wider application range, is difficult to crystallizeand easy to operate and mix, hardly diffuses and drifts, and is a good substitute of a 2,4-D salt herbicide. The preparation process is simple, wastewater is not generated, distillate and mother liquid can be recycled for preparing the 2,4-D choline aqueous solution, and high environment friendliness is achieved.

The invention belongs to the field of organic synthesis, relates to a polymer polymerization technology, and specifically relates to a preparation method of an adhesive for the outer layer of an aluminum plastic film of a lithium battery. Under the action of an antioxidant, aliphatic dihydric alcohols, aliphatic dibasic acids, and aromatic dibasic acids carry out esterification reactions in inertgas with a normal pressure. Then aliphatic polyol is added to carry out polycondensation reactions, under the action of a catalyst, water and micromolecular polymers generated in polycondensation reactions are removed at a high temperature in vacuum, and the reactants are dissolved by a solvent to obtain a solution of polymer with a molecular weight of 10,000 to 30,000. The operation is simple andconvenient, the molecular weight distribution is reasonable, the product quality and application performance are stable; and the product has the advantages of crystallization resistance, good flexibility, good anti-tensile performance, good hydrolysis resistant performance, good caking property, and good impact resistant performance. The prepared adhesive can totally meet the application requirements of a lithium battery aluminum plastic film outer layer adhesive.

The invention provides an arylamine derivative. The compound is used for an organic light-emitting diode and a display device comprising the organic light-emitting diode. At least one layer of the organic light-emitting diode and particularly a hole transport layer contain an arylamine derivative represented by a formula (I), so that the organic light-emitting diode has suitable thermal stability,a low driving voltage, a long service life and high luminous efficiency.

The invention discloses a preparation method of a polyurethane elastomer containing a polylactic acid stereoisomerism composite crystal. The preparation method comprises the following steps: preparing polylactic acid-based polyurethane with stereoisomerism by separately taking levorotatory polylactic acid polyol and dextrorotatory polylactic acid polyol as raw materials; secondly, uniformly mixing polyurethane containing levorotatory polylactic acid and dextrorotatory polylactic acid in the structure by adopting a solution blending method to prepare the polyurethane elastomer containing the polylactic acid stereoisomerism composite crystal. The mechanical strength, modulus and the other properties of the polyurethane elastomer are remarkably improved. The levorotatory polylactic acid and the dextrorotatory polylactic acid are separately introduced into a polyurethane structure according to a copolymerization method; then the stereoisomerism composite crystal is constructed in a polyurethane mixture by using the solution blending method. The method is simple in process, and the performance of a product is easy to regulate and control.

The invention discloses a compound containing an aza-5-membered ring and an application thereof in organic electroluminescent devices. The compound is composed of the aza-5-membered ring, has deep HOMO energy level and high hole mobility rate, and is suitable for electronic barrier materials. In addition, the compound has strong group rigidity, has molecules difficult to crystallize and gather, and has good film-forming property. After the compound as an organic electroluminescent functional layer material is applied in OLED devices, the current efficiency, power efficiency and external quantum efficiency of the devices are greatly improved, and the lifetime of the devices is significantly prolonged.

The invention discloses a dimethylanthracene-containing organic compound and an application thereof in organic electroluminescent devices. The organic compound has a general structure represented by a general formula (1) shown in the description. The compound disclosed by the invention has relatively high vitrification temperature and molecular thermal stability, appropriate HOMO and LUMO energy levels and relatively high Eg; and through structural optimization on devices, photoelectric properties of OLED devices can be effectively improved, and service lives of the OLED devices can be effectively prolonged.

The invention discloses a preparation method of a conductive ink vehicle. Hyperbranched urethane acrylate is used as a prepolymer of a UV (ultraviolet) conductive ink; compared with urethane acrylate, the advantages of high activity, low viscosity, good solubility, good film forming property and the like are realized, and the printing property of the ink is improved. The preparation method is characterized in that PER (pentaerythritol ester rosin) and DMPA (dimethylol propionic acid) are used as raw materials, and are polymerized into hyperbranched polyester polyol; IPDI (isophorone diisocyanate) and HEMA (hydroxyethyl methacrylate) are used as raw materials, and are synthesized into an urethane acrylate monomer by a hyperbranched polymer chain expansion method to perform terminating and grafting reaction on the hyperbranched polyester polyol, so as to prepare the novel hyperbranched urethane acrylate. The preparation method has the advantages that the process is simple and controllable, the efficiency is high, the energy consumption is low, and the like; therefore the preparation method is suitable for industrial production.