55results about How to "The preparation process is simple and feasible" patented technology

The invention relates to the field of composite materials for automobile exterior trimming parts, in particular to a light fiber-reinforced thermoplastic plate used for a high-performance passenger vehicle bottom protection plate and a preparation technology thereof. The plate comprises a surface material layer, a netty hot melt adhesive film, an anti-impact inflaming retarding layer, a sound absorbing layer, an anti-impact inflaming retarding layer, a netty hot melt adhesive film and a surface material layer from top to bottom in sequence. According to the technology, after thermoplastic resin fibers and reinforced fibers in different proportions are subjected to opening by an opener, cross lapping is carried out, mixed powder of polyolefin rubber powder and inflaming retarding filler in different proportions is added by a powder distributor, 140-degree infrared roasting is carried out, and finally, a fiber-reinforced thermoplastic felt and the like are obtained after the needling of different needle punching technologies. The light fiber-reinforced thermoplastic plate has excellent anti-impact, sound-absorbing and inflaming retarding performances, and effectively solves various problems which are encountered when the existing common bottom protection plates in the market are used; the preparation technology is simple, convenient, feasible, flexible and varied, the performances of products are designed according to the practical application needs, and the production efficiency is optimized.

The invention discloses a preparation method of multi-crosslinking injectable hydrogel. The preparation method comprises the following steps of (1) preparing chitosan-gallic acid (CG); (2) preparing multiple aldehyde sodium alginate (MASA); and (3) preparing the multi-crosslinking injectable hydrogel. According to the method, gelatin, oxidized sodium alginate MASA, (chitosan-gallic acid) CG and copper ions are used as raw materials, and the process is simple and easy to control. The invention also discloses the multi-crosslinking injectable hydrogel prepared by adopting the preparation method of the multi-crosslinking injectable hydrogel. The invention further discloses the application of the multi-crosslinking injectable hydrogel in preparation of implant postoperative soft tissue sealing materials with the effects of being injectable, wet-bonding, antibacterial, anti-inflammatory, anti-oxidation, self-healing, degradable, suitable for mechanical properties and biocompatibility, promoting tissue regeneration and the like.

The invention discloses a preparing method and application of a silicon-based negative electrode material with a SiO2 coating layer. The method includes the following steps that 1, a silane coupling agent is subjected to hydrolysis for 12-15 h; 2, nano silicon powder is ultrasonically treated in a water / ethyl alcohol mixed solution for 0.3-2 h; 3, the hydrolyzed silane coupling agent and a nano silicon powder mixed solution are mixed and flow back under the inert gas atmosphere to conduct a temperature-raising reaction; 4, the mixed solution is centrifugally washed and dried in vacuum to obtain a silicon-based negative electrode material with a silane coupling agent coating layer; 5, the negative electrode material is sintered at inert atmosphere to obtain the silicon-based negative electrode material with the SiO2 coating layer, wherein the silicon-based negative electrode material can be applied to a lithium ion battery. Compared with other oxide coating layers, the prepared SiO2 coating layer can improve the circulation stability of the silicon-based material and has high theoretical specific capacity, and the technology is simple and feasible, low in cost and suitable for large-scale production.

The invention belongs to the field of adhesives, and discloses an environment-friendly adhesive for plates. The environment-friendly adhesive is prepared from purified water, ethyl acrylate, starch ether, polyvinyl alcohol, peanut shells, hydroxyethyl cellulose, nano-silicon dioxide, montmorillonite, lithium-base bentonite, vietnamese sophora roots, silicon carbide, zinc stearate, ammonia water and lauryl sodium sulfate. The prepared environment-friendly adhesive is reasonable in raw-material compatibility, environmentally friendly, free of pollution and free of formaldehyde and other harmful substances.

The invention relates to a ginkgo episperm extract with antitumor and immunostimulating activity and a preparation method of an effective part thereof and belongs to the technical field of traditional Chinese pharmaceutics. Ginkgo episperm is decocted for 2-3 times in hot water, decocted fluid is filtered respectively, a combined salt solution is added to filtrate after vacuum concentration, and after water insoluble matters are filtered or removed by centrifugation, dialysis is carried out by distilled water; after dialysis internal fluid is concentrated, precipitation is carried out by ethanol, and the precipitate is dried, thus obtaining the ginkgo episperm extract; the ginkgo episperm extract is dissolved in water and is then pumped and filtered, continued filtrate flows through a macroporous resin column, is eluted by distilled water and is then eluted by the ethanol when the sugar test result of the eluent is negative, and then ethanol eluent is collected, vacuum-concentrated and dried, thus obtaining the effective part of the ginkgo episperm extract. The content sums of polysaccharide and protein in the extract and the effective part are greater than 60 percent and 90 percent respectively, the water solubility is good, the antitumor and immunostimulating activity is high, solid formulation and fluid formulation can be prepared, and the preparation process is simple, convenient and feasible and is suitable for industrial mass production.

The invention provides a magnesium alloy corrosion-resistant coating. The magnesium alloy corrosion-resistant coating is prepared by uniformly mixing zinc powder, aluminum powder, zirconium oxide, yttrium oxide, yttrium nitrate, polyethylene glycol, sodium molybdate, hydroxymethyl cellulose, a silane coupling agent KH-560, diphenyldimethoxysilane and deionized water according to a certain proportion. The invention also provides a method for improving corrosion resistance of a magnesium alloy by using the coating. The method comprises the following steps: firstly, pretreating the surface of the magnesium alloy; secondly, coating the coating on the surface of the magnesium alloy; thirdly, performing preheating treatment; and fourthly, performing curing treatment, and forming a corrosion-resistant coating on the surface of the magnesium alloy. By adopting the coating provided by the invention, the micro-hardness and corrosion resistance of the magnesium alloy can be significantly improved, the service life of the magnesium alloy can be prolonged, and wide application prospects can be achieved.

The invention belongs to the field of decorative boards and discloses five-layer plywood. The five-layer plywood is of a layered structure and comprises a face board, three layers of middle boards and a bottom board from top to bottom. The boards are formed by hot pressing through adhesives. The five-layer plywood is characterized in that the adhesives are prepared according to the following process comprising the first step of weighing raw materials, the second step of smashing, the third step of ball-mill mixing, the fourth step of heating mixing, and the fifth step of preparation of the adhesives. The five-layer plywood is of the five-layer-board structure, the stable and environment-friendly adhesives are used among the boards, environmental protection is achieved, pollution is avoided, and the market prospects are good.

The invention provides comfortable stab resistance body armor and a manufacturing method thereof. The comfortable stab resistance body armor comprises a jacket and stab resistance materials arranged in the jacket, and the stab resistance materials comprise a stab resistance chip and buffer materials; the stab resistance chip is formed by overlapping at least 16 layers of laid fabric according to 0 / 90 DEG orthogonally; the laid fabric is composed of two layers of fiber cloth and a hot melt adhesive film; the hot melt adhesive film is arranged between the two layers of the fiber cloth; the two layers of the fiber cloth are overlapped according to 0 / 90 DEG orthogonally; and the fiber cloth is formed by bonding fibrils with adhesive. The stab resistance body armor is high in comfort, and the manufacturing technology is simple and practicable.

A supported metal M vanadate SCR catalyst and a preparation method thereof are disclosed and belong to the technical field of SCR denitration catalysts. The method includes firstly weighting a metal Msource, adding water and a surfactant, stirring the mixture for dissolution, adding a weighed vanadium precursor into the solution, stirring the mixture, weighing titanium dioxide, adding the titanium dioxide into the system after the metal M source and vanadate are mixed, heating the solution mixture to boiling in an electric sleeve or a microwave oven, stirring the mixture, performing ultrasonic water bath treatment, performing evaporation to remove a solvent, drying obtained solid, and roasting the solid in a muffle furnace at 450 to 750 DEG C for 1-5 h to obtain the target material. The catalyst prepared has high activity and high thermal stability, and the method has characteristics of less required equipment, low investment, simple preparation process and easy control of conditions.

The invention relates to a TCM oral solution for treating a pig edema disease and a preparation method of the TCM oral solution. The TCM oral solution comprises the following components in parts by weight: 10-20 parts of chingma abutilon seed, 15-25 parts of Indian buead, 6-12 parts of radix isatidis, 5-10 parts of radix sophorae flavescentis, 15-20 parts of plantain seed, 5-10 parts of cimicifugae foetidae, 5-10 parts of radix astragal and 10-20 parts of liquorice. The TCM oral solution is extracted from natural Chinese herbal medicines and is efficient and stable in intestinal damp-heat and skin and body edema, so as to achieve the effect of treating both symptoms and root causes and the expected purpose of curing a disease; meanwhile, the dosage form of the drug is oral solution which can be quickly dispersed in feeding water, a sick pig drinks water to take the medicine, so that the absorption is facilitated, the use is safe, the non-toxic side effects are achieved, the process is simple, convenient and feasible, and the curative effect is significant.

The invention discloses a sewing thread with a high softening point, wherein the sewing thread comprises polypropylene, poly(4-methyl-1-pentene), an antioxidant and a heat stabilizer. The invention relates to the technical field of fiber textile; and the prepared sewing thread with the high softening point is applicable to the field of textile sewing, has a high softening point property, satisfies various industrial sewing, particularly requirements on high-speed sewing, and effectively solves a recycling difficulty at the same time.

The invention relates to an oil-saving bag capable of emitting far infrared rays. According to the oil-saving bag capable of emitting the far infrared rays, the far infrared rays are emitted by utilizing negative ion materials, and meanwhile, negative ions are generated to save fuel oil; when the oil-saving bag acts on the fuel oil, the far infrared rays are emitted, and therefore the atomization effect of the fuel oil can be improved, the energy state of fuel oil molecules can be improved, and the vibration of C-C bonds and C-H bonds can be strengthened; and on the other hand, the negative ions during combustion are increased, and therefore the combustion can be more complete, and the purpose of oil-saving can be achieved. In the installation process, the oil-saving bag made of soft wrapping materials can conveniently fill an oil injection port, and the emission surface of the negative ion materials is expanded. The oil-saving bag capable of emitting the far infrared rays has the outstanding characteristics of prominent oil-saving effect, simplicity in preparation, convenience in installation and the like, and has great economic and social benefits.

The invention belongs to the field of interior decoration plates and discloses a three-layer thick-core plywood which sequentially comprises a face plate, a core plate and a bottom plate from top to bottom, wherein the panel, the core plate and the bottom plate are hot-pressed by virtue of adhesives; the core plate is formed by hot-pressing three intermediate plates by virtue of adhesives. The plywood is of a three-layer thick-core structure, and the stable environment-friendly adhesives are adopted among the three layers, so that environment pollution is avoided, and the performance and market competitiveness of the plywood are improved.

The invention discloses an unsymmetrical poly-substituted porphyrin gold (III) type anticancer compound and a preparation method thereof, belonging to the technical field of preparation of medicaments. The preparation method comprises the following steps of: making unsymmetrical poly-substituted porphyrin serving as a ligand react with potassium chloroaurate in an acetic acid system; and performing ion exchange through lithium chloride to obtain the anticancer compound. In the preparation method, different high-polarity radicals are introduced into a porphyrin ring, so that the symmetrical characteristic of molecules is improved, the targeting effect of a poly-substituted tetraphenyl chloride porphyrin gold compound on cancer cells is enhanced, and the dissolving capacity of the compound in water can be facilitated. The compound synthesized with the method has a remarkable inhibiting effect on SGC-7901 and SMMC-7721 tumor cells in vitro and is superior to cis-platinum serving as a positive control medicament, the highest inhibiting rates of 4c and 4a are higher than a pilot compound G0, the IC50 of 4a is less than G0, and higher targeting selectivity is shown. The unsymmetrical poly-substituted porphyrin gold (III) type anticancer compound prepared with the method has high anti-cancer activity, small toxic or side effect and simple, convenient and practicable preparation process, and is suitable for industrial production.

The invention discloses substituted porphyrin gold (III) compounds with anticancer activity and a preparation method thereof, belonging to the technical field of medicament preparation. The preparation method comprises the following steps of: coordinating substituted tetraphenylporphyrin and gold to generate a substituted tetraphenyl porphyrin gold (III) compound; and introducing a targeting group onto a porphyrin ring to enhance the targeting selectivity of porphyrin gold, lower the toxicity of the porphyrin gold, further improve the performance of the porphyrin gold (III) compound and preserve or enhance the anticancer activity of the porphyrin gold (III) compound. As proved by in-vitro detection data of an S180 cell, the compound synthesized with the method has a remarkable suppressingfunction, the highest suppression ratio up to 92.863 percent higher than that of tetraphenyl porphyrin gold (III) serving as a lead compound and a weak suppressing function on normal cells. The preparation method is scientific and reasonable; and the prepared substituted porphyrin gold (III) compounds have high anticancer activity, a small toxic or side effect and a simple, convenient, and practical preparation process, and is suitable for industrial mass production.

A Chinese medicine in the form of oral liquid, particle, capsule, tablet, or pill for treating osteoporosis is prepared from 10 Chinese-medicinal materials including prepared rehmannia root, fleece flower root, ground beetle, Chinese angelica root, etc. Its preparing process is also disclosed.

The invention discloses a method for preparing a geothermal water corrosion preventing nano chemical composite plated layer. The method comprises the following steps: implementing a pre-treatment process for a stainless steel substrate prepared from a coating; preparing a basic plating liquid; adding nano ZrO2 granules; implementing a plating process; implementing a sintering process, drying a sample with the prepared coating in air naturally, placing in a muffle furnace, sintering, naturally cooling in the muffle furnace to the room temperature, and taking out, thereby obtaining the Ni-P-ZrO2 nano composite coating. The plated layer is good in corrosion prevention effect in a geothermal water medium, the metal coating is relatively good in flatness and uniform and compact and is tightly combined with substrate metal, furthermore the corrosion preventing metal can be adopted to prepare a corrosion preventing geothermal water pipeline, and the method is expected to effectively solve the problem that heat exchange equipment and pipelines in a geothermal energy resource system in China are corroded, and has remarkable improvement.

The invention relates to an organic germanium injection and its preparing process, wherein the injection is prepared from organic germanium, compound of organic germanium, polysaccharides and organic germanium polysaccharide through mixing with water for injection, heating, stirring for complete dissolving, filtering, adjusting pH, keeping constant volume, encapsulating, sterilizing and packaging.

The invention belongs to design methods of a volute of a centrifugal compressor, and particularly relates to an application of staggered spiral type design on volute. Spiral lines is designed as connecting lines of centers of each cross section of the volute, and the spiral lines spreads circumferentially from the volute. The volute is divided into 8-12 cross section positions circumferentially, central line of each cross section shifts 2-5mm along a shaft line with respect to the central line of the previous cross section, and a transverse volute tongue structure is formed. The transverse volute tongue is formed by means of shifting central lines of cross sections, and thus the volute is avoided from interfering with a chimney fan, an initial small cross section of the volute is protected, air is guided to flow, and efficiency is improved. The initial small cross section of the volute is protected by removing the small cross sections of 0-10 degrees, and thus flow is improved, and volute size is reduced. The volute chimney fan of the centrifugal compressor is smoothly connected with the volute which is designed in a staggered spiral method, initial shape line of the chimney fan is in accordance with air flow direction at the outlet of the volute, and impact loss is reduced.

The invention belongs to the technical field of adhesives, and particularly relates to a formaldehyde-free board adhesive. The adhesive is prepared from, by weight, 30-50 parts of deionized water, 15-30 parts of ethyl acrylate, 5-15 parts of starch ether, 3-10 parts of methyl cellulose ether, 1-5 parts of polyving akohol, 1- 10 parts of curing agent, 0.5-2 parts of thickener, 0.1-1 part of antifoaming agent, and 0.1-0.5 part of pH regulator. Compared with the existing technology, the prepared environment-friendly adhesive has the advantages of reasonable compatibility of raw materials, no pollution to environment, no formaldehyde and other harmful substances, and good adhesion and stability performances. In addition, the invention further provides a preparing method for the formaldehyde-free board adhesive, the preparation process and preparation equipment are simple and feasible, so that the adhesive is suitable for large-scale industrial production and has a good prospect.

The invention discloses a Roxburgh rose fruit healthcare tea and a making method thereof. The Roxburgh rose fruit healthcare tea comprises, by weight, 8-20% of spine date seeds, 5-10% of cassia seeds, 3-8% of eucommia leaves, 3-8% of Folium Ginkgo, and the balance of Roxburgh rose fruits. The making method comprises the following steps: cleaning fresh Roxburgh rose fruits with clear water, steaming the washed Roxburgh rose fruits in a steamer at 100-110 DEG C for 8-12 min, drying the steamed Roxburgh rose fruits at 40-60 DEG C, and crushing the dried Roxburgh rose fruits to 15-30 meshes for later use; drying the spine date seeds, cassia seeds, eucommia leaves and Folium Ginkgo at 40-60 DEG C, and crushing the dried substances to 10-15 meshes for later use; and uniformly mixing the crushed Roxburgh rose fruits, the crushed spine date seeds, the crushed cassia seeds, the crushed eucommia leaves and the crushed Folium Ginkgo according to a certain weight ratio, and packaging and sealing the obtained mixture to obtain the Roxburgh rose fruit healthcare tea. The making method has the advantages of easily available raw materials, and simple and feasible making process; and the Roxburgh rose fruit healthcare tea has the characteristics of convenience in eating and healthiness, and has the efficacy of curing diseases, building bodies and prolonging life.

The invention discloses a flexible material capable of saving fuel. The flexible material mainly comprises tourmaline powder, rare earth material powder, auxiliaries and high-polymer materials. A process for preparing the flexible material includes A, uniformly stirring the quantitative tourmaline powder, the quantitative rare earth material powder, the quantitative auxiliaries and the like at the high speed to obtain oil-saving functional materials; B, stirring and dispersing the oil-saving functional materials into the high-polymer materials and carrying out molding, mold releasing and maintaining to obtain the oil-saving flexible material; C, winding the flexible material around oil delivery pipelines and mounting or adhering the flexible material around oil tanks. The flexible material has the outstanding advantages that the tourmaline powder and the rare earth material powder are used as main raw materials, appropriate quantities of synergists and stabilizers are added into the main raw materials, accordingly, far infrared rays can be continuously and stably emitted, generation of anions can be promoted, and the fuel can be sufficiently combusted; effects of the oil-saving functional materials can be sufficiently realized in a form of the flexible material, and accordingly outstanding oil-saving effects can be realized; the flexible material capable of saving the fuel is excellent in product performance, the process for preparing the flexible material is safe and reliable, the flexible material and the process have obvious economic and social benefits, and the like.

The invention discloses angelica sinensis and radix astragali particles and a preparation method thereof. The angelica sinensis and radix astragali particles are prepared from, by weight, 1 part of angelica sinensis and 5 parts of radix astragali. The angelica sinensis and radix astragali particles are prepared through the process of medicinal material pretreatment, extraction, primary concentration, ethanol precipitation, concentration and extract collection, extract powder preparation, raw auxiliary material smashing, mixing, wet particle preparation, drying, particle finishing, overall mixing, screening, particle packaging and the like. The formula of the angelica sinensis and radix astragali particles is simple and reasonable, the preparation process is simple and feasible, and the angelica sinensis and radix astragali particles are stable and reliable in quality, low in cost, small in toxic and side effect, capable of replenishing qi and nourishing blood and applicable to treating qi-blood deficiency, lusterless complexion and hemorrhagic anemia caused by excessive hemorrhage in the menstrual period or after delivery of women.

The invention discloses an anti-scale inhibitor for treating industrial circulating water and relates to the technical field of industrial circulating water treatment. The anti-scale inhibitor comprises the following components by weight percent: 1.0-2.0% of crylic acid-crylic acid hydroxypropyl acrylate, 0.5-1.5% of ethylene-ethyl acrylate copolymer, 0.1-0.5% of DETPMP, 50-60% of 1-Boc-3-methylamino pyrrolidine, 0.1-0.5% of PBTCA, 0.1-0.5% of ATMP, 0.03-0.4% of HEDP, 0.3-1.0% of sodium nitrite, 0.5-2.0% of acetaldehyde, 14-16% of cyclohexane and 25% of deionized water. The dosing is reasonable; the preparation process is simple; the product is easy to dissolve oxygen; the oxygenation in water can be prevented; the anti-scale inhibitor is low in phosphorus content and excellent in biodegradability and can be compounded with various salt inhibiters.

The invention discloses a production method of a novel whey polypeptide beverage which is prepared from the raw material of soybean whey wastewater through enzymolysis. The production method comprises the following steps of firstly, performing heating treatment on the soybean whey wastewater, adding pepsin to be used for soybean whey protein in the whey wastewater, and performing an enzymolysis reaction; and then preparing a whey polypeptide beverage being light sour in taste. According to the production method disclosed by the invention, the soybean whey wastewater is used for producing the polypeptide beverage, so that beneficial nutrient components in the wastewater are effectively reserved, waste is turned into wealth, resources are saved, and environment is protected. The functional polypeptide beverage is easy to absorb, suitable for vast crowds, simple in production steps, and easy to realize, and is a healthy beverage being good in taste and nutrition.

The invention belongs to the field of glass fiber impregnating compounds, and concretely relates to a preparation method of an amic acid emulsion, and a method for modifying the surface of a glass fiber with the amic acid emulsion. The milky amic acid emulsion with a solid content of 0.1-5% is prepared by controlling a molar ratio of aromatic dianhydride to 4,4'-diaminodiphenyl ether at 1.05:1 to 2:1 and a ratio of water to N,N'-dimethylformamide at 2:1 to 10:1 and adding 0.01-5% of an acidic or neutral water-soluble polymer, and the effect of modification of the surface of the glass fiber with the amic acid emulsion is determined by detecting the interfacial shear strength using a micro-debonding process. Active groups such as -COOH and -NH in the emulsion react with silicon hydroxyl groups on the surface of the glass fiber to form a strong hydrogen bond or chemical bond, and heating is performed for imidization to achieve a good interface temperature resistance and form a good compatibility with the resin in order to improve the interface properties of the fiber, so the amic acid emulsion has broad application prospects.

The embodiment of the invention discloses bentonite tailing nutrient soil and a preparation method thereof, and relates to the field of nutrient soil preparation. The bentonite tailing nutrient soil is prepared from, by weight, 30-40 parts of bentonite tailings, 20-40 parts of sludge, 10-25 parts of nutritional supplements, 2-15 parts of high-viscosity attapulgite clay, 2-15 parts of attapulgite ceramsites, 2-15 parts of peat, 1-10 parts of plant fibers and 0.1-5 parts of super absorbent polymer. Firstly, bentonite and sludge are acidized, pathogenic bacteria are reduced, and the activity of bentonite and sludge are improved. The bentonite tailing nutrient soil includes a large amount of nitrogen, phosphorus, potassium and organic matter and various kinds of trace elements, can provide nutrient elements required by the growth of plants, and is conducive to the normal growth and development of plants, and the ecological environment is protected.

The invention discloses a composite channel transistor comprising the following parts: an interlayer dielectric layer formed on a semiconductor substrate; a grid electrode formed in the interlayer dielectric layer; a grid dielectric layer arranged on the grid electrode; a composite channel layer located on the grid dielectric layer and the interlayer dielectric layer; source drain zones formed ontwo ends of the composite channel layer; a passivation layer formed on the interlayer dielectric layer and that wraps the periphery and top surface of the composite channel layer; source-drain electrodes arranged in the passivation layer and connected with the source drain zones. The method uses a high mobility graphene and an organic film with adjustable band gaps to commonly form the composite channel layer, thus effectively solving the problems that the graphene has no band gap and the organic film transistor is low in mobility; the method can prepare the composite channel transistor with ahigh mobility, is compatible with existing CMOS process, simple and feasible in preparation process, and can easily prepare a composite channel transistor array with a small size and a large scale; the invention also discloses the composite channel transistor preparation method.