52results about How to "Simple and easy preparation process" patented technology

The invention provides pitch modified from waste tire rubber powder and a preparation method thereof. The preparation method comprises the following steps of: heating 2-14 parts by weight of heavy fraction oil to 90-130 DEG C; adding 84-97.8 parts by weight of waste tire rubber powder and 0.2-2 parts by weight of additives to evenly mix; radiating the mixture by a microwave for 3-10 min; adding 60-85 parts by weight of pitch to 15-40 parts by weight of modified waste tire rubber powder at 160-200 DEG C to mix evenly; and shearing the mixture at a high speed to obtain a mixture, i.e. the modified pitch of the invention. By selecting waste tires as raw materials, the invention has simple and easily obtained raw material, cost saving, environmental protection and pitch performance improvement. The waste tire rubber powder is decarbolized under the microwave radiation to improve the storage stability of the modified pitch. Meanwhile, the waste tires are utilized. The invention has simple modified pitch preparation process and strong practicability.

The invention relates to a preparation method of a carbon nano-tube based Fenton-like catalyst for an advanced oxidation system. The preparation method is characterized by comprising the following steps: (1) firstly, carrying out oxidation treatment on a primary sample of an iron-containing carbon nano-tube at an air atmosphere; (2) then, carrying out high-temperature reduction treatment on the primary sample at a protective atmosphere; (3) next, sufficiently mixing elemental sulfur and a reactant, and then, carrying out sulphur treatment on the mixture at a certain temperature; (4) finally, after the reaction is ended, dispersing the product into a sodium sulfide solution, repeatedly washing the mixture, filtering and drying in vacuum to obtain a carbon nano-tube/ferrous sulfide based Fenton-like catalyst. The preparation process can be continuously carried out, the method is relatively simple, and the problem of secondary environment pollution possibly existing in the preparation process is reduced. Due to the implementation of the work, the Fenton-like catalyst with the carbon nano-tube as a carrier can be favorably and widely applied on a large scale.

The invention discloses a corn starch adhesive and a preparation method thereof. The corn starch adhesive is prepared from corn starch, potassium permanganate, sodium hydroxide, borax, sodium thiosulfate, sodium bentonite and water. The preparation method comprises the following steps of: grinding and screening the sodium thiosulfate; preparing pasty corn starch in a constant-temperature water bath; mixing the water, the potassium permanganate and the screened sodium bentonite in the constant-temperature water bath, and pouring into the pasty corn starch to prepare mixed solution; adding water to dissolve the sodium hydroxide, the borax and the sodium thiosulfate, and pouring into the mixed solution to prepare the finished product. The preparation process is simple, and the conventional equipment is not needed to be changed; during production, the temperature is low, and the energy consumption is low; and the produced starch adhesive has the advantages of good liquidity, strong adhesiveness, quick drying, high stability, no pollution, and can greatly improve the ring crush compression resistance and the tension strength of corrugated paper.

The invention discloses a chitosan-nano laponite composite gel wound dressing and a preparation method thereof. The chitosan-nano laponite composite gel wound dressing is prepared from the following raw materials in parts by weight: 1 to 16 parts of chitosan, 0.6 to 20 parts of nano laponite, 0.1 to 0.5 part of sodium pyrophosphate, 1.2 to 3.5 parts of plasticizer, 8.5 to 20 parts of moisturizing agent, and 67 to 85 parts of water. The gel wound dressing is simple in preparation process and low in production cost; and by combining the chitosan and nontoxic nano laponite, the product has good biological compatibility, antibacteria and hemostasia performance and moisturizing performance, can effectively prevent the fat liquefaction of a wound, can promote the rapid healing of the wound, and has remarkable nursing effect for the wound that is difficult to heal or the scald wound.

The invention discloses a preparation method of nitrogen-doped graphene. The preparation method is realized through the following process: weighing melamine and dextrose monohydrate according to a certain mass ratio, grinding for 30min in an agate mortar; placing the mixture in a horizontal quartz tube furnace heating area, introducing argon in a certain flow as protective gas, raising the temperature in a furnace chamber to 450 DEG C in a certain rising rate, and carrying out heat preservation for 90min, raising the temperature in the furnace chamber to a certain temperature in the same rising rate, and carrying out heat preservation for 60min; after the reaction is finished, taking out the product when the temperature in the furnace chamber naturally cools to the room temperature, wherein the product is the nitrogen-doped graphene. The preparation method disclosed by the invention has the characteristics of easily available raw material, low cost, simple preparation process, clean and environment-friendly synthesis path, no pollution, and high nitrogen doping amount; the preparation method has popularization and application value.

The invention provides a doped ternary precursor, a preparation method, a positive electrode material and a battery. Fluoride salt and alkali liquor are mixed to adjust pH value, a nickel-cobalt-manganese material is added, and the doped ternary precursor is prepared after reaction. According to the method, the fluoride salt is introduced in the precursor stage to serve as a seed crystal and reacts with the nickel-cobalt-manganese material to obtain the ternary precursor doped with metal elements and fluorine, for example, calcium ions, magnesium ions and fluorine ions do not need to be introduced through a coprecipitation method in the process of doping calcium, magnesium and fluorine, the purity of a mother liquor system is guaranteed, corrosion of the coprecipitation process to equipment and pipelines is avoided, and the method has the characteristics of simple preparation process, easily available raw materials, easiness in industrial production and the like.

The invention discloses a modified filled polypropylene composite material with high fluidity, high modulus and high impact for automobile thinning and a preparation method of the material. The modified filled polypropylene composite material with high fluidity, high modulus and high impact for automobile thinning consists of the following raw materials: polypropylene, polyethylene, POE, a nucleate agent, a filler, a coupling agent, a free radical scavenger, a thermal oxygen stabilizer and an auxiliary agent. Meanwhile, the invention further disclose a preparation method of the modified filledpolypropylene composite material with high fluidity, high modulus and high impact for automobile thinning. The modified filled polypropylene composite material prepared by taking high-fluidity polypropylene as a base material, adding the nucleating agent and the filler and synergistic toughening of the POE and the high-density polyethylene, so that raw material sources are easily-available, the processing is easily available, and the material fluidity, the modulus and the impact strength are high.

The invention discloses a sewage treatment agent with an emulsion breaking effect as well as a preparation method and application thereof. The sewage treatment agent is prepared from the following raw materials in parts by weight: 27-35 parts of vermiculites, 11-19 parts of propargyl chloride, 4-8 parts of fumaric acid, 1-5 parts of methyl-tri-butanone-oxime silane and 19-27 parts of chitin. The preparation method comprises the following steps: crushing the vermiculites and mixing with a propargyl chloride solution; heating and stirring to obtain a mixture A; mixing and grinding the chitin and fumaric acid and carrying out ultrasonic treatment on the chitin and fumaric acid, and a mixed solution of the methyl-tri-butanone-oxime silane and water to prepare a mixture B; mixing the mixture A and the mixture B; and carrying out ultrasonic treatment, heating and calcining to obtain the sewage treatment agent. The sewage treatment agent has high temperature resistance; the oil removal rate and the efficiency of removing solid suspension matters are remarkably increased; and the sedimentation velocity is rapid, the feeding amount is less, the impact-resisting capability is high and corrosion on equipment is not caused. The sewage treatment agent has the advantages that a preparation process is simple, the production cost is low and the sewage treatment agent is suitable for industrialized production; and the sewage treatment agent has inverse demulsification and water purification effects and is especially suitable for purification treatment of thick oil high-temperature sewage.

The invention discloses a composite ecological repairing agent as well as a preparation method and the application thereof. The repairing agent is prepared from the following raw materials in parts by weight: 23 to 31 parts of a shell powder, 1 to 5 parts of vinyl trimethoxysilane, 3 to 7 parts of acetylpropionic acid, 15 to 25 parts of a konjaku powder, 5 to 12 parts of sodium butyrate and 11 to 19 parts of wood vinegar. The preparation method comprises the following steps: smashing shells, adding an acetylpropionic acid solution, and heating to prepare a shell powder treatment substance; smashing konjaku, mixing the konjaku powder with a vinyl trimethoxysilane solution, and performing heating and stirring treatment, so as to prepare a mixture A; mixing the wood vinegar with a citric acid aqueous solution, and performing heating and stirring, so as to prepare a mixture B; mixing the shell powder treatment substance, the mixture A, the mixture B and sodium butyrate, and performing heating and stirring, so as to obtain the composite ecological repairing agent. The composite ecological repairing agent can transfer, convert and degrade pollutants in water, promote water stabilization and enhance the impact resistance to gradually recover the self-cleaning functions of an aquatic ecosystem and water, and can shorten the fish harvesting time. The composite ecological repairing agent can obviously degrade the content of cypermethrin in soil and effectively improve the quality of the soil.

The invention relates to a rhodiola root cassia seed health wine and a preparation method thereof. The method includes: taking raw materials according to a formula, soaking the raw materials in 400-600 parts by weight of 45-60degree Chinese liquor for 10-25 days, carrying out precipitation and filtration, discarding the medicinal residue to obtain filtrate, i.e. a health wine finished product. The rhodiola root cassia seed health wine provided by the invention has the characteristics of simple and easily available raw materials, simple preparation process, low production cost, multiple health care functions and obvious health care effects, and after long-term taking, the health wine can achieve the functions of removing acne and chloasma, improving skin moisture, also has the functions of facilitating feces excretion, losing weight, promoting digestion, assisting in lowering blood pressure, blood fat and blood sugar, and alleviating physical fatigue, and has an auxiliary protection function to radiation hazards.

The invention belongs to the field of cell separation and analysis and particularly relates to mussel bionic polypeptide composite magnetic beads and a preparation method and application thereof. Themussel bionic polypeptide composite magnetic beads utilize the boron affinity reaction of phenylboronic acid and 3,4-dihydroxyphenylalanine to fix a mussel bionic polypeptide with one end containing atumor cell specific recognition sequence to the surface of a magnetic microsphere modified by a phenylboronic acid-based high molecular polymer, and are used for capturing and releasing circulating tumor cells. The mussel bionic polypeptide composite magnetic beads have the advantages of adoption of the simple and easily available raw materials, low cost, simple preparation process, mild reactionconditions, difficult deterioration, degradation and the like of the mussel bionic polypeptide, and have strong practicability.

The invention discloses a bio-click-triggered high-efficiency targeting conjugate and a bio-click-triggered high-efficiency targeting multi-component composition as well as preparation methods and application thereof. The multi-component composition is formed by assembling an anti-angiogenic therapeutic agent, a chemotherapeutic drug and a photosensitizer in the same nano-system; furthermore, thetargeting conjugate (a cycloalkyne-heparin polysaccharide-natural active hydrophobic medicine) is modified with a small molecular target with a cycloalkyne structure, so that in-vivo click targeting is efficiently realized. After nanoparticles are formed in water by means of self-assembly, a chemotherapeutic medicine and a thermotherapy photosensitizer are simultaneously encapsulated in hydrophobic cores of the nanoparticles by using a physical method; therefore, the toxic and side effects on the normal tissues are greatly reduced while the combined administration is realized; the conjugate and the multi-component composition have the characteristics of being intelligent, efficient and low in toxicity, having targeting property, reversing tumor MDR, having a synergistic anti-tumor effect,and the like; a brand-new combined chemotherapy model is created.

The invention discloses a composite material for ecological restoration as well as a preparation method and application thereof. The composite material is prepared from the following raw materials in parts by weight: 31 to 39 parts of apatite, 7 to 15 parts of ethyl orthosilicate, 15 to 25 parts of chitosan, 42 to 50 parts of ageratum conyzoides and 13 to 21 parts of tea polyphenol. The preparation method comprises the following steps of crushing the ageratum conyzoides, adding into an acetic acid solution, heating, agitating, carrying out ultrasonic treatment, filtering and concentrating, so that an ageratum-conyzoides treatment substance is prepared; crushing the apatite, mixing with an ethyl orthosilicate solution and heating, so that a mixture A is prepared; mixing the chitosan and a citric acid aqueous solution and heating, so that a mixture B is prepared; uniformly mixing and agitating the ageratum-conyzoides treatment substance, the mixture A, the mixture B and the tea polyphenol, so as to obtain the composite material. The composite material is used for improving the germination rate and the survival rate of a plant and the ecological restoration rate of mine, can be used for adsorbing a heavy metal, which cannot be free out, in soil, and can be used for effectively ameliorating the soil of the mining wasteland, the heavy metal polluted land, the hillside land and the like.

The invention belongs to the field of electrode materials and discloses a magnesium iron hydride-graphite composite electrode material and a preparation method and application thereof. The preparationmethod comprises the steps: mixing magnesium powder and iron powder, ball milling under the hydrogen atmosphere, then performing thermal treatment at 400 to 500 DEG C and ball milling a mixture and graphite under the hydrogen atmosphere to obtain an Mg2FeH6-graphite composite material; evenly mixing the Mg2FeH6-graphite composite material with a conductive agent and a binding agent, coating on acopper foil to manufacture an electrode plate, vacuum drying, then preparing a metal oxide protective film on the surface of the electrode plate through magnetron sputtering to obtain the magnesium iron hydride-graphite composite electrode material. According to the magnesium iron hydride-graphite composite electrode material disclosed by the invention, a method that multiphase composite ball milling and magnetron sputtering are combined is utilized; thus, electrode reversibility is improved, and electrode circulating performance is improved.

The invention belongs to the technical field of gasoline, and particularly relates to composite automotive clean gasoline and a preparation method thereof. The composite automotive clean gasoline consists of the following raw materials in parts by weight: 60-82 parts of gasoline, 15-20 parts of ethanol, 3-5 parts of methanol, 3-15 parts of a surfactant and 2-3 parts of a composite additive. The composite additive comprises the following components in parts by weight: 60-80 parts of a solubilizer, 1-5 parts of a corrosion inhibitor, 1-5 parts of an antioxidant, 10-20 parts of a synergist, 0.5-1part of an anti-wear agent and 5-10 parts of a catalyst. The methanol, the ethanol and the gasoline have good compatibility, corrosion resistance is high, air resistance is reduced in a running process of an automobile, the raw materials are simple and are easily obtained, and the production cost is low. Compared with the prior art, the composite automotive clean gasoline is simple in preparationprocess and low in production cost, is a perfect substituting environmentally friendly energy, has obvious and good economic benefit, and can be widely popularized and used in the field of motor vehicles.

The invention discloses a high-temperature resisting fireproof coating which comprises the following raw materials in parts by weight: 13-18 parts of bauxite, 10-20 parts of rare earth mixture, 9-18 parts of zirconium oxide, 5-10 parts of water soluble resin, 3-8 parts of organic bentonite, 13-17 parts of aluminum dihydrogen phosphate, 15-30 parts of silicon dioxide, 7-12 parts of graphite, 6-12 parts of a montmorillonite nanometer sizing agent, 18-29 parts of sodium silicate, 6-13 parts of magnesium hydrate, 3-5 parts of titanium dioxide, 6-10 parts of borax and 2-4 parts of an enhancer. The high-temperature resisting fireproof coating has excellent adhesiveness at high temperature, good decay resistance and excellent comprehensive properties.

The invention discloses an ecological restoration material, and a preparation method and an application thereof. The ecological restoration material comprises the following raw materials in parts by weight: 20 to 30 parts of trehalose, 3 to 7 parts of sodium ortho-nitrophenolate, 28 to 36 parts of cathay begonia, 1 to 5 parts of lutein ester, 0.3 to 1 part of thiamine hydrochloride, 11 to 19 partsof chitosan oligosaccharide and 7 to 15 parts of zeolite powder. The preparation method comprises the following steps: crushing the trehalose and the cathay begonia, adding an acetic acid solution, carrying out heating under stirring, carrying out ultrasonic treatment, carrying out filtering so as to obtain a filtrate, and carrying out concentration so as to obtain a mixture A; mixing the chitosan oligosaccharide, the zeolite powder and the sodium ortho-nitrophenolate, carrying out crushing, mixing an obtained mixture with a citric acid aqueous solution, and carrying out heating under stirring so as to obtain a mixture B; and uniform mixing the mixture A, the mixture B, the lutein ester and the thiamine hydrochloride under stirring so as to obtain the ecological restoration material. Theecological restoration material provided by the invention provides comprehensive nutrition for the growth of plants, improves the germination rate and the survival rate of a plant and the ecological restoration rate of a desertified sloping land, can adsorb and absorb heavy metals which are not free in soil, and can effectively improve soil of the desertified sloping land, a heavy metal contaminated land, etc.

The invention discloses a burn-scald ointment preparation. The burn-scald ointment preparation is prepared from, by weight, 2-4 parts of honeysuckle stems, 2-6 parts of radix angelicae, 2-6 parts of fructus forsythia, 2-6 parts of radices lithospermi, 0.5-0.8 part of Chinese gall, 0.1-0.2 part of borneol, 5-8 parts of beewax and 40-60 parts of sesame oil. The burn-scald ointment preparation can be used for treating burns, scalds and bruises, is rapid in absorption, has the good immediate pain stopping effect, can promote healing of injured skin tissue cells, and has the good tissue-regeneration-promoting and rotting-removing functions, and scars are avoided when the preparation is used for treating shallow first-degree and second-degree burns and scalds; the preparation can also be used for assistant treatment of rhinitis sicca, allergic rhinitis and chronic rhinitis, the symptoms of rhinocnesmus, nasal-mucosa hyperaemia pain and dry pain of rhinitis patients can be greatly relieved, and the preparation is free of side effects and easy to preserve. The invention further provides a preparing method of the burn-scald ointment preparation. Preparing conditions are moderate, medicine properties are well kept, the raw materials are simple and easy to get, the preparing technology is simple and easy to operate, cost is low, and the preparing method is worthy of popularization.