9results about How to "Easy to implement at scale" patented technology

The invention relates to the technical field of adsorbent materials, and discloses a CoMn2O4 spinel adsorbent and a method for removing trivalent antimony in a water body by using the CoMn2O4 spinel adsorbent. The adsorbent is prepared by adopting a co-precipitation and low-temperature thermally induced crystallization synergetic green process: dissolving cobalt salt and manganese salt according to a stoichiometric ratio, dropwise adding a sodium hydroxide solution for co-precipitation, washing an obtained precursor, and drying at 80-120 DEG C under normal pressure for 12-48 hours to directly obtain the adsorbent. According to the method, the spinel material with low crystallinity, high specific surface area and rich surface hydroxyl is controllably synthesized by regulating and controlling the concentration of the precipitator and the drying condition, and the problems of active site loss and high energy consumption caused by traditional high-temperature calcination are avoided. When the composite material is used for treating wastewater containing trivalent antimony, antimony ions can be efficiently removed through the adsorption effect under the appropriate pH condition, excellent adsorption capacity is shown, the technology is simple, cost is low, safety is good, and an efficient and stable adsorption material and a feasible method are provided for water body antimony pollution treatment.

A composite solid-state electrolyte membrane and its preparation method, and a solid-state battery, are disclosed. The preparation method of the composite solid-state electrolyte membrane includes: providing a polymer mother liquor comprising polyvinylidene fluoride, polyimide, and lithium salt; dispersing inorganic ceramic electrolyte powder in a solvent; under a first mechanical shear, adding a first portion of filler pre-dispersion liquid accounting for 5% to 25% to the polymer mother liquor; under a second mechanical shear, adding a second portion of filler pre-dispersion liquid accounting for 25% to 50%; and under a third mechanical shear, adding the remaining portion of filler pre-dispersion liquid to prepare a composite slurry; and forming the composite slurry into a film to prepare the composite solid-state electrolyte membrane. This application improves the dispersion effect and interfacial bonding of the filler in the composite solid-state electrolyte membrane by using a combination of staged feeding and mechanical shear, pre-wetting a small amount of filler to construct a stable initial mixed phase, and then using a portion of the filler to reduce viscosity and improve shear efficiency, thereby promoting the uniform dispersion of the remaining filler.

A method for microwave-assisted extraction of blue indigo mud from Strobilanthes cusia belongs to the field of natural dye preparation. The method comprises the following steps: 1) mixing fresh Strobilanthes cusia leaves with water according to a specific solid-liquid ratio, and performing microwave-assisted treatment to make the indigo precursor quickly dissolve out; 2) after the extraction liquid is cooled by standing, an alkali agent is added for oxidation precipitation, and after solid-liquid separation and drying, the blue indigo mud with high indigo content is obtained. The indigo yield of the present application can reach 0.32%~0.42%, and the purity of indigo in the product is stable at more than 80%, and the highest can reach 87.49%. The method realizes efficient and rapid extraction of indigo from Strobilanthes cusia, significantly shortens the time of traditional indigo preparation process, and is simple, environment-friendly, stable in product quality, and suitable for industrial production.

This invention discloses a fermentation process for a prickly pear and sea buckthorn compound fruit wine, belonging to the field of fruit wine fermentation technology. The invention includes the following steps: selecting prickly pear juice and sea buckthorn juice, mixing them in a 2:1 volume ratio as fermentation raw materials; adjusting the pH of the juice to a suitable range, adding sugar and preservatives, and adjusting the initial sugar content; activating yeast and adding it to the juice in a specific ratio, stirring evenly; placing the inoculated juice into a fermentation container and fermenting for 9 days under constant temperature conditions; filtering to remove sediment after fermentation to obtain primary fruit wine; clarifying the wine by low-temperature settling to promote impurity sedimentation; using moderate heating for sterilization to ensure product safety and stability; bottling after all indicators pass testing, and sealing and storing the finished product. This invention, by optimizing the compound ratio of prickly pear and sea buckthorn and the synergistic fermentation process parameters, can achieve an effective fusion and balance of the two raw materials in terms of flavor, nutrition, and fermentation kinetics.

The invention relates to the technical field of epoxy resin composite materials, in particular to a temperature-resistant and corrosion-resistant solid epoxy resin composite material and a preparation method thereof. The epoxy resin composition is prepared from the following components in parts by weight: 30 to 70 parts of epoxy resin matrix, 6 to 24 parts of aromatic curing agent, 3 to 17 parts of organic silicon modifier, 6 to 30 parts of fly ash, 4 to 10 parts of montmorillonite, 0.6 to 2.4 parts of silane coupling agent, 0.3 to 1.2 parts of 2-ethyl-4-methylimidazole, 0.3 to 0.8 part of triphenylphosphine and 0.05 to 0.8 part of antioxidant 1010. The epoxy resin matrix is at least one of bisphenol A epoxy resin and bisphenol F epoxy resin. According to the temperature-resistant and corrosion-resistant solid epoxy resin composite material and the preparation method thereof, the technical problems that an existing epoxy resin composite material is insufficient in temperature resistance, poor in corrosion resistance, difficult to consider comprehensive performance and the like are effectively solved, and the temperature-resistant and corrosion-resistant solid epoxy resin composite material has multiple excellent effects.

The invention discloses a method for preparing dendritic copper powder and cooperating with methanol reforming for hydrogen production, which comprises the following steps: in a single reaction system, dissolving a copper source and an alkali source in methanol, aging, transferring into a reaction kettle, reacting for 1-6 hours at 250-300 DEG C, and synchronously realizing in-situ preparation of the dendritic copper powder and methanol liquid phase reforming for hydrogen production through a one-step method. According to the method, methanol is used as a solvent, a reducing agent and a reactant at the same time, two independent processes are efficiently coupled, and the process is remarkably simplified; and after the reaction, dendritic copper powder with a three-dimensional branched structure and a gas product mainly containing hydrogen can be obtained at the same time.

The invention belongs to the technical field of building materials, and provides an early-strength functional monomer, an early-strength polycarboxylic acid water reducing agent and application of the early-strength functional monomer and the early-strength polycarboxylic acid water reducing agent. The chemical structural formula of the early strength functional monomer is as shown in formula (I). The preparation method of the early-strength polycarboxylate superplasticizer comprises the step of carrying out free radical polymerization reaction on an unsaturated polyether macromonomer, an early-strength functional monomer as shown in the formula (I), unsaturated carboxylic acid and a polysaccharide-based graft copolymer to obtain the early-strength polycarboxylate superplasticizer. The early strength functional monomer provided by the invention is obtained by reacting N-(beta-aminoethyl)-alpha-aminopropyltrimethoxysilane and an acrylic monomer, the raw materials are easy to obtain, the cost is low, the early strength functional monomer can be prepared only by one-step reaction, the synthesis process is simple, the post-treatment is convenient, the reaction condition is mild, and the early strength functional monomer can be applied to the polycarboxylate superplasticizer, so that the early strength functional monomer has a good application prospect. The polycarboxylate superplasticizer can generate a synergistic effect with the unsaturated polyether macromonomer, unsaturated carboxylic acid and the polysaccharide-based graft copolymer, so that the polycarboxylate superplasticizer has excellent early strength effect and binding material environmental adaptability. Formula (I).

The invention discloses a fabric with flame-retardant and three-proofing functions and a preparation method thereof, and belongs to the field of textiles. According to the fabric, flame-retardant yarns spun from pre-oxidized polyacrylonitrile fibers are used as a base material and are woven into gray fabric through a tatting process; and then, carrying out after-finishing on the woven fabric through a padding process by adopting a three-proofing assistant working solution with a specific ratio. By selecting the intrinsic flame-retardant fiber material, the adverse effect of flame-retardant after-treatment on the hand feeling of the fabric is fundamentally avoided, and the technical problem that the fabric cannot have two functions at the same time due to the fact that a flame-retardant aid and a three-proofing aid cannot be compatible in a traditional process is successfully solved. The prepared fabric is excellent in flame retardance (the damaged length is smaller than or equal to 50 mm, and afterflame and smoldering are avoided) and has good waterproof, oil-proof and easy-to-clean performance, meanwhile, the original hand feeling of the fabric is kept to the maximum extent, and the fabric is particularly suitable for being used in hotels and other scenes with high-standard requirements for mattress safety and sanitation.

The invention discloses a 3-aryl coumarin derivative as well as a preparation method and application thereof, and the preparation method comprises the following steps: reacting substituted 2-bromobenzaldehyde with a substituted aryl acetic acid compound to obtain a substituted E-2, 3-diaryl acrylic acid compound; and in the presence of cuprous oxide and potassium carbonate, heating and reacting in N, N-dimethylformamide to obtain the 3-aryl coumarin derivative. The 3-aryl coumarin derivative disclosed by the invention can be combined with BRD4, has remarkable inhibitory activity on the BRD4, has a protective effect on primary myocardial cells caused by ischemia reperfusion, can inhibit proliferation, migration and invasion of cardiac fibroblasts, and can inhibit ferroptosis of hypoxia / reperfusion injury myocardial cells; the compound can be used for preparing medicines for treating diseases related to abnormal BRD4 activity.