46results about How to "Effective regulatory structure" patented technology

The invention relates to a preparation method of doped carbon nitride fluorescent quantum dots.According to the preparation method, melamine and compounds corresponding to doped atoms serve as raw materials, while melamine molecules are roasted to form a carbon nitride structure, the doped atoms enter the carbon nitride structure through a chemical reaction, a doped carbon nitride block material is formed, and the block material is subjected to ultrasound crushing in an alcohol solvent to prepare the doped carbon nitride fluorescent quantum dots which are uniform in quantum size and grain size.The dried quantum dots are good in water solubility and dispersibility and have high fluorescent quantum dot yield.The method can be used for preparing the doped carbon nitride quantum dots in batches, the synthesis method is simple, and repeatability is good.The synthesized quantum dots have wide application prospects in the fields of fluorescence detection, light-emitting devices, biological marking and the like.

The invention relates to a preparation method of a thermoplastic polyurethane micro air bag elastomer material. The preparation method comprises the following steps of (1) feeding liquid raw materials such as diisocyanate molecules and a solid additive into a twin screw reactor, and carrying out polymerization chain extending reaction to obtain a high molecular weight hot melt; (2) pushing the high molecular weight hot melt into a mixing extrusion molding machine, and carrying out continuous reaction to produce a macromolecular thermoplastic polyurethane melt; (3) continuously adding the obtained macromolecular thermoplastic polyurethane melt, polymer particles and the like in a foaming extrusion molding machine, and then extruding the material from a mold head to an underwater pelletizing chamber in a form of a high-pressure hot melt; and (4) carrying pelletization by process water, sending the pellet-carrying process water to a separation machine by a multi-stage pressure relief and expansion process water pipeline, and carrying out separation, screening and drying to obtain a target product. Compared with the prior art, by adopting the preparation method provided by the invention, the thermoplastic polyurethane elastomer material can be directly prepared from the liquid raw materials such as MDI, so that the energy consumption and the material consumption are greatly lowered, the yield of a product is increased, the production efficiency of the product is improved and the like.

The invention relates to a degradable antifouling thermoplastic micro-airbag polymer elastomer material which is prepared from the following ingredients in percentage by weight: 88 to 98% of polymer raw material, 0.05 to 0.5% of nucleating agent, 0.4 to 2% of foaming agent and 0.1 to 10% of environment-friendly degradable organic perfluorosebacamidine material. A preparation method specifically comprises the steps: (1) feeding the polymer raw material, the nucleating agent and the environment-friendly degradable organic perfluorosebacamidine material from a feeding opening in the front end of a twin-screw extruder, feeding the foaming agent from a feeding opening in a middle section of the twin-screw extruder, hot melting and fully mixing all the raw materials, then sending into a static mixer to be further homogenized and then controlling pressure and quantitatively conveying by a melt pump; (2) sending hot melt sent out by the melt pump into an underwater pelletizing chamber to be pelletized, bringing out by technological water to be separated and screening and drying the particles to obtain a target product. Compared with the prior art, the degradable antifouling thermoplastic micro-airbag polymer elastomer material disclosed by the invention effectively achieves performance of antifouling, soiling-resistant, oil-resistant, contamination-resistant, attractive and good touch and is especially suitable for being applied to the fields of shoe materials, food package and the like.

The invention relates to a thermoplastic micro-sac polymer elastomer material and a preparation method thereof. The material is prepared from the following components in percentage by weight: 0.1-97 percent of a support frame polymer material, 0.1-97 percent of pressure-resistance slow-rebound polymer material, 0.01-0.5 percent of a nucleating agent, and 0.1-10 percent of a foaming agent, wherein the support frame polymer material is a high-molecular-weight, high-hardness, high-crystalline or high-polarity polymer material; the pressure-resistance slow-rebound polymer material is a low-molecular-weight, low-hardness, low-crystalline to no irregular shape, low-polarity/no-polarity polymer material. Compared with the prior art, the material has the advantages that a winding network formed by the micro-sac structure and opening pores achieves an interpenetration structure, the rebound force and other material physical performance are excellent, buffer feedback is quick, contact and comfortable performance are high, exfoliated volume is controllable and the like.

The invention discloses a preparation method of a biochar-based composite material, and the preparation method comprises the following steps: firstly mixing, stirring and lyophilizing self-made orangepeel powder and a urea solution to prepare pretreated orange peel powder; mixing the pretreated orange peel powder and rectorite powder to put into an inert gas for calcination treatment, and performing ball-milling and sieving in a nitrogen-containing atmosphere, pickling, washing, filtering and drying to obtain the biochar-based composite material. The biochar-based composite material has goodstability, large adsorption capacity, strong adsorption capacity, simple preparation method and low preparation cost.

The invention discloses a method for preparing a super-crosslinked porous polyion liquid material by ion thermal crosslinking and application of the material. The method comprises the following steps:performing quaternization on alkenyl tertiary amine and allyl halide or styrene benzyl halide to form a rigid diene ion liquid monomer; introducing proper complex anions through ion exchange; then performing ionic thermal polymerization in a zinc chloride/sodium chloride composite molten salt system to obtain the super-crosslinked porous ion liquid material. The obtained material has a wide application prospect. The preparation method has the advantages of: (1) high yield, which is up to 94 to 99 percent; (2) large specific area,which is 200m<2>/g or more; (3) full ion liquid framework and high active component content; (4) simple and convenient preparation process, and ready availability of raw materials; (5) wide material application, capability of effectively adjusting the material structure by adjusting raw materials, complex anions and polymerization conditions, and applicability in the fields of catalysis, gas adsorption, wastewater treatment, separation and the like; (6) easiness and convenience in recycling the materials.

The invention discloses a manganese-based bimetallic oxide mesoporous material, and a preparation method and an application thereof. The preparation method comprises the following steps: (1) dispersing a mesoporous silicon template into a dispersant, adding an aqueous manganese nitrate solution under a stirring condition in a water bath of 25-30 DEG C, continuously stirring and adsorbing for 40-60min to obtain a suspension, sequentially filtering, washing and drying the obtained suspension, and calcining to obtain a compound of manganese oxide and the mesoporous silicon template; and (2) re-dispersing the obtained compound in a dispersant, adding an aqueous ferric nitrate solution under a stirring condition in a water bath of 0 DEG C, stirring and adsorbing for 20-40 min, continuously adding the aqueous manganese nitrate solution, continuously stirring and adsorbing for 20-40 min to obtain a suspension, sequentially filtering, washing and drying the obtained suspension, calcining to obtain a manganese-based bimetallic oxide and SBA-15 compound, and removing the redundant mesoporous silicon template in the obtained compound to obtain the mesoporous silicon template. The manganese-based bimetallic oxide mesoporous material obtained by the invention is used for treating a complex wastewater system by a Fenton-like method.

The invention relates to a degraded glass ceramic thin film for a medical magnesium alloy surface and a preparation method of the degraded glass ceramic thin film. The thin film is composed of CaO-PoO5-Na2O-MO, wherein the mol ratio of Ca to P is 1, M is one or combination of more selected from Zn, Sr, Mg, Ag, Ti and Al, the mol percentage of MO is 1-5%, the CaO-PoO5-Na2O is based and the ratio of Ca to P is controlled to be equal to 1; stable gels with various components are prepared by adding one or two different metal ions; a gel layer is evenly coated on the surface of a magnesium alloy substrate by dipping-lifting, and finally, the uniform and compact glass ceramic thin film is obtained after drying and heat treatment. The glass ceramic thin film prepared by using the method not only has excellent biological activity and degradable ability, but also has a controllable degrading rate; the degrading rate can be adjusted to be matched with the growth rate of a bone tissue to be restored, and therefore, various clinical demands are met.

The invention discloses a microbial preparation for treatment of livestock and poultry manure. The microbial preparation comprises the following raw materials by weight: 1-5 parts of actinomycetes, 1-4 parts of Chaetomium torulosum freeze-dried powder, 1-3 parts of rhizobium, 1-3 parts of Trichoderma viride freeze-dried powder, 2-6 parts of geotrichum candidum freeze-dried powder, 20-40 parts of coconut shell powder, 1-2 parts of Chinese fir charcoal, 1-2 parts of bagasse, 1-2 parts of brown sugar, 5-15 parts of kaolin, and 100-150 parts of water. The microbial preparation obtained by the method provided by the invention can effectively regulate the microflora structure of livestock and poultry manure, improve the activity of beneficial microorganism, can form a complex and stable ecological system through the interaction of strains, can rapidly decompose organic matters in livestock and poultry manure to produce heat energy, rapidly raise the material temperature, inhibit or kill germs, worm eggs and other harmful organisms, and improve the decomposition degree.

The invention provides a preparation method of activity-enhanced schizophyllum commune polysaccharide, which comprises the following steps: by taking schizophyllum commune sporocarp powder as a raw material, irradiating with limited high-energy electron flow, adding compound enzyme to carry out enzymolysis reaction, then carrying out subcritical deionized water extraction on enzymatic hydrolysate, and carrying out subsequent impurity removal treatment to obtain the schizophyllum commune polysaccharide. The molecular weight of the schizophyllum commune polysaccharide extracted by the method is remarkably reduced, so that the schizophyllum commune polysaccharide not only can effectively improve the diversity of intestinal flora, promote the growth of beneficial intestinal flora and inhibit the growth of potential pathogenic bacteria in intestinal tracts, but also can effectively resist the weight increase, and can be used as a natural auxiliary food which is free from side effects and is used for losing weight and regulating the intestinal flora.

The invention discloses a nano-silicon anticorrosive agent for preparing a metal working fluid and a preparation method of the nano-silicon anticorrosive agent, and belongs to the technical field of metal working compositions. The preparation method comprises the steps that an organic amine compound and water are mixed, and a silane coupling agent is dropwise added under the inert gas protection and stirring conditions; and the mixture is heated to a first temperature after dropwise adding is completed, stirred under the inert gas protection condition, then heated to a second temperature, stirring under the inert gas protection condition, and cooled after stirring is completed to obtain the clear and transparent nano-silicon anticorrosive agent, wherein the second temperature is higher than the first temperature. The preparation method is simple in process, easy to operate, short in processing time, almost free of production danger and production pollution in the preparation process and suitable for industrial application and popularization, the obtained nano-silicon anticorrosive agent can stably exist in the metal working fluid after being used for preparing the metal working fluid, the problems of sedimentation, aggregation or precipitation and the like are avoided, and the prepared metal working fluid has good stability and integrity.

The invention belongs to the technical field of electrocatalytic oxygen evolution electrode materials, and particularly relates to a heterojunction nano array electrode material and a preparation method and application thereof. According to the preparation method, the iron-based current collector is placed in the potassium permanganate aqueous solution, the heterojunction nano array electrode material is obtained through the hydrothermal reaction, and the one-step hydrothermal method adopted in the method has the advantages of being economical, rapid, green, simple, rapid in reaction and capable of being produced on a large scale; wherein the iron-based current collector serves as a carrier and also serves as an iron source, and in-situ growth of an array on the current collector can be realized, so that the mechanical stability of an electrode material is improved, and charge transfer is accelerated. According to the obtained heterojunction nano array electrode material, delta-MnO2 and TM-FeOOH which are good in stability are coupled together to construct a heterojunction, an electronic structure can be effectively regulated and controlled, intrinsic activity can be improved, charge transfer can be promoted, more active sites can be provided, and therefore high-performance OER application is achieved.

The invention belongs to the technical field of medicines, and discloses non-starch lily polysaccharide NSLP-1 and application thereof. The non-starch lily polysaccharide NSLP-1 is separated and extracted from lily, and has effects of inflammation resistance, intestinal flora disorder regulation and control, and sleep disorder improvement, and provides a natural and novel drug source for development of prevention or treatment of intestinal flora disorder or diseases induced by intestinal flora disorder.

The invention relates to the field of gasoline and diesel oil hydrodesulfurization catalysts, and provides a preparation method of an ultra-deep gasoline and diesel oil hydrodesulfurization catalyst,which comprises the following steps: by using a nitrogen-doped carbon material as a carrier, attaching an active component to the carrier by an impregnation method, performing drying and roasting to obtain the ultra-deep gasoline and diesel oil hydrodesulfurization catalyst, wherein the active component comprises a metal salt and an auxiliary metal salt. According to the invention, a nitrogen-doped carbon material is used as a carrier, and a traditional Co (Ni)-Mo (W) metal active phase is loaded to prepare the novel catalyst; compared with a Co (Ni)-Mo (W) hydrogenation catalyst commonly usedin the industry, the catalyst has the advantages that a nitrogen-doped carbon material formed by introducing N atoms with high charges and spin density into a carbon material has excellent electron donating characteristics, and the electron and morphology structures of a metal active phase can be effectively regulated and controlled through the anchoring effect and the electron donating effect, therefore, the catalyst has higher gasoline and diesel hydrogenation activity and desulfurization effect, and better reserves the octane number of gasoline.

The invention discloses a functional beef cattle and mutton sheep compound feed additive and a preparation method thereof, and belongs to the technical field of animal feed additives. The additive is prepared from the following components: 5-40 parts of VE (vitamin E), 10-100 parts of VC (vitamin C), 50-150 parts of plant extract, 10-100 parts of probiotic and yeast culture, 100-300 parts of mildew removing agent, 100-300 parts of almond shell, 100-200 parts of potassium magnesium sulfate, 100-200 parts of table salt, 5-25 parts of immune polysaccharide, 2-5 parts of zinc ions and 10-30 parts of phagostimulant. The content of calcium ions in the additive is 5-15 wt%. The additive can effectively relieve the problems of endocrine disorder, anorexia, digestive dysfunction, increase of death and culling rate and the like caused by stress of feeder cattle and lambs entering a fence, and can effectively regulate and control a rumen flora structure and a nutrient metabolism path when being used in the whole fattening period; and the whole health degree of animals is improved, the appetite and the feed intake are improved, and the production performance and the feed conversion rate are improved.

The invention relates to transition metal phosphide with phosphorus vacancies filled with non-metallic elements, preparation of the transition metal phosphide and a lithium-sulfur battery, and belongs to the technical field of inorganic compound preparation. In the transition metal phosphide, non-metallic elements are filled in phosphorus vacancies of the transition metal phosphide; the non-metallic element is sulfur, nitrogen, fluorine, chlorine or boron. Calcining sulfur powder and the transition metal phosphide containing the phosphorus vacancies in an argon atmosphere to prepare the transition metal phosphide with the phosphorus vacancies filled with sulfur elements; calcining the transition metal phosphide containing the phosphorus vacancies in the atmosphere of argon and ammonia gas to prepare the transition metal phosphide with the phosphorus vacancies filled with nitrogen elements; the transition metal phosphide with phosphorus vacancies filled with fluorine, chlorine or boron is obtained by adopting a plasma treatment method. When the transition metal phosphide with the phosphorus vacancy filled with the non-metallic element is applied as a positive electrode material of a lithium-sulfur battery, the chemical reaction kinetics and the cycling stability of the lithium-sulfur battery can be effectively improved.