42results about How to "The preparation process is simple and economical" patented technology

The present invention relates to an organic light emitting diode and a method of manufacturing the same. An organic light emitting diode according to the present invention comprises an exciton blocking layer comprising a compound represented by Formula 1 to confine an exciton to a light emitting layer to prevent light emitting leakage, and thus there is an effect of implementing an organic electroluminescence diode having excellent light emitting efficiency. Further, even though there is no separate electron injection layer, electron injection and light transport characteristics are excellent by comprising an electron transport layer comprising a compound represented by Formula 2 or 3, and thus it is possible to implement an organic light emitting diode having a simple and economical manufacturing process, a low voltage, high efficiency, and a long life span as compared to the related art.

The invention relates to a composition of peony seed total stilbene compounds as well as an extraction method and application thereof. The extraction method comprises the following steps: carrying out reflux extraction on peony seed skins by using ethanol, and filtering and concentrating to obtain an extract; then, dissolving the extract and mixing with an absorber; then, sequentially extracting the mixture by solvents; and finally, refining by using acetone and active carbon and concentrating till no solvents exist, thus obtaining the composition of the total stilbene compounds. The six compounds are respectively peony alcohol A, peony alcohol, peony alcohol C, cis-epsilon viniferin, trans-epsilon viniferin and common jointfir stem H. Verified by pharmacological experiments, the composition of the peony total stilbene compounds has good anti-gram positive and negative bacteria activity, can be used as an active component of anti-bacterial medicines and can be used independently or together with appropriate excipients to serve as a food additive for preservation of foods or can be used for preparing anti-bacterial medicines.

The invention relates to a petroleum-degrading bactericide and also relates to a preparation method of the petroleum-degrading bactericide. The preparation method of the petroleum-degrading bactericide comprises the following steps: (1) performing enlage cultivation on such bacteria as caulobacter segnis, candida parapsilosis, brachybacterium phenoliresistens, arthrobacter globiformis and sporidiobolus salmonicolor till the concentration of the bacteria is 10<9>-10<10> cfu / g, and uniformly mixing according to the mass ratio of 3: 2: 2: 1: 1 to obtain a mixed culture; (2) fermenting the mixed culture in a liquid fermentation culture medium for 48-60 h; (3) carrying out centrifugal separation to obtain thick strain cells; (4) uniformly mixing the thick strain cells with a 0.9% NaCl solution and a sea mud leachate; (5) adding nutrient substances, and then preserving at 4 DEG C in a sealed manner. The petroleum-degrading bactericide is high in petroleum degradation rate.

The invention belongs to the filed of polymer, particularly relates to a method for preparing agarose cross-linked gel microspheres and provides microspheres which are good in mechanical property, high in heat resistance and pressure resistance and uniform in particle size. An agarose solution serves as an aqueous phase, methylbenzene serves as an oil phase, epoxy chloropropane is adopted for performing cross-linking in the forming process of agarose microspheres, and the agarose gel microspheres good in mechanical property are prepared. The invention further aims at providing the convenient and simple preparation method of the agarose cross-linked gel microspheres.

The invention relates to the technical field of medicaments. The existing process for preparing particle preparations such as a lipid film comprises the step of dissolving a medicament into the oil for injection to form milky microspheres, so the prepared particle preparations have the defects of low medicament-loading amount, poor stability, large using amount of auxiliary materials and large toxic and side effect. The invention provides a method for preparing a freeze-drying particle preparation for injection, which comprises the following steps: firstly, dissolving water-insoluble medicinal powder into a volatile water-soluble organic solvent to form molecular medicinal solution, and then dispersing the molecular medicinal solution into the water for injection to form fluffy soft aggregate mixed suspension; and then adding a small amount of injection-grade auxiliary material such as dispersant and the like into the suspension, and obtaining the freeze-drying particle preparation for injection through a certain preparation process. The particle preparation prepared by the preparation method has the characteristics of small using amount of auxiliary materials, high medicament-loading amount, good stability, simple preparation process and the like. The preparation method of the invention has broad practicability, and basically can meet the preparation requirement of most water-insoluble powdery medicinal particle preparations.

The invention discloses a mullite-high-silica glass complex-phase refractory material for a ceramic burner. The mullite-high-silica glass complex-phase refractory material for the ceramic burner comprises the following the materials in percentage by weight: 40%-50% of mullite-high-silica glass, 10%-15% of andalusite, 5%-10% of alpha-Al2O3, 10%-15% of clay and 15%-20% of cordierite. The refractory material for the ceramic burner has the characteristics of good thermal shock resistance, good high-temperature strength and good resistance to chemical attack.

A slowly-or controllably-releasing semi-solid medicine for treating diabetes B is proportionally prepared from glipizide and slowly-releasing semi-solid skeleton carrier.

The invention discloses a nano calcium carbonate catalyst wrapped by Ag-loaded titanium dioxide nanoparticles as well as a preparation method and application of the nano calcium carbonate catalyst. The surfaces of spindle-shaped nano calcium carbonate particles are wrapped by Ag-loaded titanium dioxide nanoparticles. The catalyst can be added into paper-making process reconstituted tobaccos so as to be added into cigarettes containing the reconstituted tobaccos, so that the smoke reaction is catalyzed in cigarette igniting and smoking processes and the carbonyl compound content of the smoke can be reduced. According to the invention, the preparation process is simple, convenient and economical, and the prepared catalyst has a remarkable particle catalysis effect, is low in cost and is suitable for industrial application.

The present invention relates to an organic light emitting diode and a method of manufacturing the same. An organic light emitting diode according to the present invention comprises an exciton blocking layer comprising a compound represented by Formula 1 to confine an exciton to a light emitting layer to prevent light emitting leakage, and thus there is an effect of implementing an organic electroluminescence diode having excellent light emitting efficiency. Accordingly, it is possible to implement an organic light emitting diode having a simple and economical manufacturing process, a low voltage, high efficiency, and a long life span as compared to the related art.

A detergent for removing oily dirt is prepared from honey, sesame oil and tea oil for product A, or from Chinese soapberry seed, starch and tea bran for product B. Its advantages are high detergency, no damage to human body and clothes, and no environmental pollution.

The invention adopts a self-protecting open-arc surfacing method for high-chromium alloy with multi-layer composite powder particles. The multi-layer composite powder particles which are formed by steps of all layers of powder mixing, inner layer bonding, intermediate layer bonding, outer layer bonding, sintering and other steps of all powder compositions and are in specific particle size and an H08A solid welding wire are used as surfacing materials, self-protecting open-arc welding is conducted, thus, molten drops of the composite powder particles and molten drops of the H08A solid welding wire are fused into an integrated molten pool, and a high-chromium alloy structure with primary M7C3 phases as main abrasion-resistant phases. The method is simple in preparation process and high in deposition efficiency, the prepared high-chromium alloy high good abrasion resistance, and completely meets the practical requirements, and the method can be used for part self-protection open-arc surfacing abrasion layers under abraded conditions of abrasive particles.

The invention belongs to the technical field of material research methods, and particularly relates to a preparing method of a calcium ferrite / calcium titanate diffusion couple. The method comprises the following steps of S1, mixing iron trioxide powder with calcium oxide powder, and conducting tabletting and sintering to obtain calcium ferrite tablets; S2, mixing the calcium ferrite tablets withcalcium titanate powder, and conducting tabletting to obtain calcium ferrite and calcium titanate dual-layer tabelts; S3, sintering the calcium ferrite and calcium titanate dual-layer tabelts to prepare the calcium ferrite / calcium titanate diffusion couple. The prepared calcium ferrite / calcium titanate diffusion couple is small in diffusion width and has a small influence on subsequent experimentresults.

The present invention relates to an organic light emitting diode and a method of manufacturing the same. An organic light emitting diode according to the present invention comprises an exciton blocking layer comprising a compound represented by Formula 1 to confine an exciton to a light emitting layer to prevent light emitting leakage, and thus there is an effect of implementing an organic electroluminescence diode having excellent light emitting efficiency. Further, even though there is no separate electron injection layer, electron injection and light transport characteristics are excellent by comprising an electron transport layer comprising a compound represented by Formula 2 or 3, and thus it is possible to implement an organic light emitting diode having a simple and economical manufacturing process, a low voltage, high efficiency, and a long life span as compared to the related art.

The invention discloses a method for preparing biomedical titanium and titanium alloy surface antibacterial coatings. The method comprises steps of firstly, processing the surface of a biomedical titanium or titanium alloy sample to be processed, immersing the biomedical titanium or titanium alloy sample in a glycol aqueous solution containing soluble fluoride and performing an anode oxidation treatment; secondly, immersing the biomedical titanium or titanium alloy sample after being subjected to the anode oxidation treatment in a silver nitrate solution, taking out the biomedical titanium or titanium alloy sample, using ultraviolet light radiation to process the biomedical titanium or titanium alloy sample and obtaining the silver-carrying biomedical titanium or titanium alloy sample; and performing a micro-arc oxidation treatment for the silver-carrying biomedical titanium or titanium alloy sample, performing ultrasonic cleaning and vacuum drying and obtaining the antibacterial coatings. The nano precoating layer preparation, the silver-carrying treatment and a micro-arc oxidation technology are combined, then a large amount of silver can be fixed on the biomedical titanium and titanium alloy sample surfaces and can be released slowly for a long time, the antibacterial performance of titanium and titanium alloys is greatly improved, the antibacterial effect can be kept for a long time, and the bacterial infection caused by the fact that a titanium and titanium alloy apparatus is embedded in a human body is greatly reduced or avoided.

The invention discloses an ecological environmental-friendly type detergent and a preparing method thereof and belongs to the field of washing products. The detergent is prepared from 20-40 parts by weight of sucrose fatty acid ester, 15-30 parts by weight of tea seed cake, 15-30 parts by weight of stearic acid, 2-5 parts by weight of egg shell powder, 6-10 parts by weight of glycerin, 3-5 parts by weight of a Chinese soapberry seed extract product and 200-300 parts by weight of deionized water. Most of the raw materials adopted by the detergent are plant raw materials with natural washing effects. The detergent can effectively clean oil dirt on tableware and clothes, and is mild, nonirritant, free of harm to human body health and free of pollution to the environment.

The present invention provides an organic light emitting diode comprising a first electrode, a second electrode and an organic material layer of one or more layers disposed between the first electrode and the second electrode, in which the organic material layer comprises a light emitting layer, an organic material layer comprising the compound represented by Formula 1 is comprised between the first electrode and the light emitting layer, and the light emitting layer comprises a host comprising the compound represented by Formula 1 and a dopant.

A slowly-or controllably-releasing semi-solid medicine for treating diabetes B is proportionally prepared from glipizide and slowly-releasing semi-solid skeleton carrier.

The invention belongs to the field of high polymer material sciences, and concretely relates to a preparation method of apolylactic acid fiber composite surface porous film material. The preparation method provided by the invention comprises the steps of dip-coating a fiber into a polylactic acid solution, and air-drying, wherein the mass percent concentration of polylactic acid in the polylacticacid solution is 1 weight percent to 5 weight percent, and the dip-coating time is 50s to 80s. The method provided by the invention is simple and economical in process, convenient and fast to operate,and short in consumed time; the obtained polylactic acid fiber composite surface porous film is a highly ordered and porous material with high stability and large specific surface area, is green without pollution, can be widely applied to the biological medicinessuch as industrial catalysis, biological medicines, fuel cellproton exchange membranes, and high-endisolation techniques as well as thetechnologies such as fuel cellproton exchange membranes, and high-endisolation techniques.

The invention relates to a preparation method of an Erchen drug extract with antitumor-resisting activity and a preparation thereof, and belongs to the technical field of Chinese pharmaceutical manufacturing. The preparation method of the Erchen drug extract comprises the following steps: matching Erchen drug decoction prepared from rhizoma pinelliae, pericarpium citri reticulatae, poria and liquorice root according to ancient herbal formula dosage, adding water for decocting, filtering and carrying out vacuum concentration on the decoction; adding ethanol into the concentrated solution subjected to decoction, dissolving ethanol precipitation and dialyzing; carrying out vacuum concentration on the intra-dialysate and then carrying out vacuum drying to obtain the Erchen drug extract with the antitumor-resisting activity. According to the Erchen drug extract with the antitumor-resisting activity, disclosed by the invention, the extractive yield is high, the polysaccharide content of theextract is higher than 75 percent and the antitumor activity of the Erchen drug extract is better than that of Erchen drug decoction. An excipient is added into the Erchen drug extract to obtain the Erchen drug extract preparation with the antitumor activity; compared with traditional Erchen drug decoction, the preparation prepared by adding the excipient into the Erchen drug extract has the advantages of good anti-tumor effects, convenience in administration, improvement on the compliance of patients and capability of being widely used. The preparation method disclosed by the invention has the advantages of simple and feasible process and suitability for industrialized mass production.

The invention discloses a high-performance flame-retardant cable sheath material and a preparation method thereof. The material comprises the following components in percentage by mass: 25-35% of matrix resin (ethylene-vinyl acetate copolymer (EVA) resin), 55-60% of flame retardant, 0.5-1.5% of coupling agent, 2.5-3.5% of lubricant, 0.1-0.2% of antioxidant and 5-10% of compatilizer. The matrix resin is an ethylene-vinyl acetate copolymer (EVA) resin; the flame retardant comprises Mg(OH)2 and Al(OH)3; the coupling agent is a silane coupling agent; the lubricant comprises silicone and calcium stearate; the antioxidant is B-215; and the compatilizer is maleic anhydride graft. The flame-retardant cable sheath material disclosed by the invention is suitable to be used as an external sheath material of an information transmission cable for rail transportation, and has the advantages of excellent flame-retardant function, ultrahigh oxygen index and higher physical properties; and the oxygen index is up to 40, which is much higher than the flame-retardancy oxygen index of not higher than 30 in industry. The preparation method has the advantages of simple and economical preparation technique, environmental protection and energy saving, and has broad market prospects.

A Chinese medicine in the form of injection or orally taken medicines for treating the infection of influenza virus is prepared from the extract of barbat skullcap herb and medicinal auxiliaries. Said extract composed of flavone, alkaloid, steroid and saccharide is prepared from barbat skullcap herb through extracting in water or alcohol, separating and concentrating.

The invention discloses a preparation method of an active antibacterial composite coating on the surface of titanium and titanium alloy medical instrument. The method includes the following steps: firstly, carrying out ultrasonic washing on the titanium or titanium alloy medical instrument to be treated and then immersing the titanium or titanium alloy medical instrument in NaOH solution for alkali-heat treatment; secondly, carrying out microarc oxidation treatment on the titanium or titanium alloy medical instrument in an electrolyte solution which contains biological active elements and antibacterial ingredients; carrying out hydro-thermal treatment on the titanium or titanium alloy medical instrument, and finally drying under vacuum condition. In such a way, the active antibacterial composite coating can be obtained. In the preparation method, a nano-silver / titanium dioxide composite antibacterial agent is adopted to form the antibacterial coating on the surface of titanium or titanium alloy matrix, and the antibacterial coating has long antibacterial effect to bacteria commonly seen at an operation wound of a person and has adhesion resistance to common inflammatory bacteria. Meanwhile, the active ingredients such as Ca and P in the coating can improve the biological activity and speeds up the osseointegration, and thereby the antibacterial performance, the clinical curing effect and the application range of the titanium and titanium alloy medical instrument are improved by a large margin.

The invention relates to the technical field of medicaments. The existing process for preparing particle preparations such as a lipid film comprises the step of dissolving a medicament into the oil for injection to form milky microspheres, so the prepared particle preparations have the defects of low medicament-loading amount, poor stability, large using amount of auxiliary materials and large toxic and side effect. The invention provides a method for preparing a freeze-drying particle preparation for injection, which comprises the following steps: firstly, dissolving water-insoluble medicinal powder into a volatile water-soluble organic solvent to form molecular medicinal solution, and then dispersing the molecular medicinal solution into the water for injection to form fluffy soft aggregate mixed suspension; and then adding a small amount of injection-grade auxiliary material such as dispersant and the like into the suspension, and obtaining the freeze-drying particle preparation for injection through a certain preparation process. The particle preparation prepared by the preparation method has the characteristics of small using amount of auxiliary materials, high medicament-loading amount, good stability, simple preparation process and the like. The preparation method of the invention has broad practicability, and basically can meet the preparation requirement of most water-insoluble powdery medicinal particle preparations.

The invention provides a preparation method of a high thermal conductivity composite filling material and a polymer matrix composite material of the high thermal conductivity composite filling material. The high thermal conductivity composite filling material comprises a sheet-shaped heat conductive filling material and a spheroidic heat conductive filling material; and the surface of the spheroidic heat conductive filling material is coated with the sheet-shaped heat conductive filling material. The preparation method comprises following steps: the sheet-shaped heat conductive filling material and the spheroidic heat conductive filling material are subjected to surface modification respectively, and are dispersed in an organic solvent for heating stirring, so that chemical reaction and bond connection among reactive groups from the filling materials are realized, and self assembling is carried out so as to obtain a structure similar to sesame seed balls, wherein the surface of the spheroidic heat conductive filling material is coated with the sheet-shaped heat conductive filling material. The unique structure is capable of realizing formation of high efficiency heat conductive paths in a composite material filled with the high thermal conductivity composite filling material, so that adding of a small amount of the high thermal conductivity two-dimensional sheet-shaped fillingmaterial is capable of improving the thermal conductivity of the polymer matrix composite material obviously, and heat conduction requirements of preparation of electrical and electronic equipment canbe satisfied.

The invention discloses a cobalt disulfide nanocrystal / graphene composite electrode material and a preparation method. The composite electrode material includes a single-layer graphene load skeleton and cobalt disulfide stacked layer by layer on the upper and lower two-dimensional surfaces of the load skeleton. Nanocrystalline layers and single-layer graphene layers. The cobalt disulfide nanocrystal / graphene composite electrode material and preparation method of the present invention combine the two substances to obtain a new composite electrode material with good structural optimization performance. The electrode material has low cost, efficient production, uniform grain distribution and excellent electrical conductivity. With high chemical capacity, this electrode material has excellent conductivity, high specific surface area and good stability.

The present invention relates to a compound composition of total stilbenes of tree peony seeds and its extraction method and application. The peony seed skin is extracted with ethanol under reflux, filtered and concentrated to obtain an extract, and then the extract is dissolved and mixed with an adsorbent, and then the mixture is sequentially It is extracted with a solvent, finally refined with acetone and activated carbon, and concentrated until there is no solvent to obtain the total stilbene compound composition. The 6 compounds are paeonol A, paeonol, paeonol C, cis-glucuronin, trans-glucuronin and maimateng H. The total stilbene compound composition of Moutan of the present invention has been proved by pharmacological tests to have good activity against Gram-positive and negative bacteria, and can be used as an antibacterial drug active ingredient alone or in combination with suitable excipients, etc. , as a food additive for food preservation, or for the preparation of antibacterial drugs.

The invention relates to a lead-magnesium-niobate-based ternary piezoelectric ceramic material with low hysteresis and large electrostrictive strain, and a preparation method thereof. The chemical general formula of the lead-magnesium-niobate-based ternary piezoelectric ceramic material is (1-y)((1-x)Pb(Mg<1 / 3>Nb<2 / 3>)-xPbTiO<3>)-yBi(Zn<1 / 2>Ti<1 / 2>)O<3>, wherein x is greater than or equal to 0.20and smaller than or equal to 0.40, and y is is greater than 0 and smaller than or equal to 0.30.