121 results about "Tetramine" patented technology

The invention discloses a self-lubricating aluminum coating and a preparation method thereof.The preparation method comprises the steps that molybdenum disulfide is pretreated through a silane coupling agent, tetraethoxysilane mixed liquor is added, the pH is adjusted to be 9-10, a water bath reaction is conducted, and molybdenum disulfide-silicon dioxide microcapsules are obtained after high-temperature strengthening treatment; respectively adding a zinc nitrate solution and a hexamethylenetetramine solution, adjusting the pH value to 10-11, carrying out a high-temperature and high-pressure hydrothermal reaction to obtain zinc oxide nanorods, and carrying out ball milling treatment on the zinc oxide nanorods, microcapsules, stearic acid and zirconium oxide balls under the protection of argon to obtain doped microcapsules; after raw materials are pretreated, the raw materials and a dispersing agent solution are added into a mixer respectively, spraying powder, a pretreated base body and the spraying powder are obtained after mixing treatment, spraying treatment is conducted on the surface of the base body through a plasma spraying method, and the self-lubricating aluminum coating is obtained after vacuum annealing treatment. Therefore, the obtained self-lubricating aluminum coating is low in friction coefficient, high in performance and excellent in self-lubricating property.

The present disclosure provides a preparation method of a porous hydrogel adsorbent based on Radix astragali residues, including the following steps: subjecting residues of Chinese herbal medicine Radix astragali as a precursor to bleaching with NaClO2, alkaline washing with KOH, and high power ultrasonic treatment, thereby obtaining a precursor solution of uniformly dispersed cellulose nanofibers (CNFs); adding the precursor solution of CNFs to a mixed solution of N,N′-methylene bisacrylamide (MBA), acrylic acid (AA) and ammonium persulfate (APS), shaking evenly, and initiating a polymerization reaction at a predetermined temperature to form a monolithic gel; and cleaning the monolithic gel, putting the cleaned monolithic gel into a dimethyl sulfoxide (DMSO) solution containing epichlorohydrin to allow reaction, and transferring the product of the reaction to an aqueous sodium hydroxide solution containing triethylene tetramine to allow reaction, thereby finally obtaining an amino-functionalized porous hydrogel adsorbent.

The present application relates to a kind of carbon dioxide mineralization method and carbon dioxide mineralization device.The carbon dioxide mineralization method includes the following steps: mixing absorption liquid and industrial solid waste at room temperature, obtain mortar;Make mortar solid-liquid separation, obtain clear liquid and thick slurry;Carbon dioxide in flue gas is absorbed by clear liquid, obtain carbon-rich absorption liquid;Carbon-rich absorption liquid and thick slurry occur mineralization reaction at 180 DEG C-220 DEG C, obtain mineralized slurry;Make mineralized slurry solid-liquid separation, obtain mineralized ash and mineralized clear liquid;Wherein, absorption liquid includes inorganic base and organic base, organic base includes monoethanolamine, diethanolamine, triethanolamine, 3-methylaminopropylamine, N-methyl diethanolamine, piperazine, diethylene triamine, triethylene tetramine, tetraethylene pentamine and 2-amino-2-methyl-1-propanolamine at least two kinds.The method greatly improves CO2 capture rate and CO2 utilization rate, and organic base consumption is less, absorption liquid regeneration energy consumption is low, and overall economy is good.

The present application belongs to the technical field of silica sol preparation, and particularly relates to a silica sol preparation method using ion exchange method. In the prior art, the silica sol growth time is shortened by optimizing the preparation and impurity removal process, and the silica sol seed mother liquor is prepared under ultrasonic assistance. The organic alkali catalyst maintains the silica sol growth pH and the metal ions in the complex solution, so that the impurities are reduced during the silica sol growth. After the introduction of dodecyltrimethoxysilane, hexadecyltrimethoxysilane and methyltrimethoxysilane as the hydrophobic group surface modification, the impurity metal ions are filtered through the complexing agent and the ammonium type resin. The three ethylene tetramine ethanol solution modifies the ammonium type resin, enhances the selective adsorption of the resin to the metal ions, and the maleic anhydride crosslinking agent and nano silicon dioxide modify the ammonium type resin, increase the service life of the ammonium type resin. The prepared silica sol has high purity, good mechanical properties and dispersibility, and excellent hydrophobic performance.

The invention relates to the technical field of paper wet strength agents, in particular to an environment-friendly wet strength agent and a preparation method thereof. The preparation method of the wet strength agent comprises the following steps: under the action of a catalyst, succinic acid, maleic acid and triethylene tetramine react to obtain an unsaturated polyamide polyamine prepolymer; adding water into the unsaturated polyamide polyamine prepolymer to adjust the solid content, heating, adding double-bond-containing nanocellulose, tea saponin, glycidyl acrylate and an initiator, and reacting to obtain an intermediate emulsion; cooling the intermediate emulsion to room temperature, adding epichlorohydrin to react for 0.5-3 hours, heating to 50-75 DEG C, continuing to react for 1-5 hours, cooling reaction liquid to 25-30 DEG C, adding glyoxal to react for 0.5-1 hour, adjusting the pH value of the reaction liquid after the reaction is completed, and adding water to adjust the solid content, thereby obtaining the product. The preparation method is simple in process, and the prepared wet strength agent can reduce organic chlorine residues.

The invention relates to the technical field of zinc hydrometallurgy, and discloses an analysis method for measuring high cobalt content by an EDTA complexing back titration method, which is based on the following steps: oxidizing Co < 2 + > into Co < 3 + > by using potassium nitrite in an acetic acid medium to form cobalt potassium nitrite precipitate so as to realize separation of cobalt and interfering ions, dissolving the precipitate, complexing with excessive EDTA, and performing back titration by using a zinc standard solution. Xylenol orange is used as an indicator, and determination is completed at room temperature in a hexamethylenetetramine buffer system with the pH value being approximately equal to 5.8. Coexisting ion interference is effectively eliminated through tartaric acid, sodium fluoride, thiourea and other masking agents, the method has the advantages of being easy and convenient to operate, sensitive in end point, high in accuracy and low in cost, and the requirement for conventional analysis of high-cobalt materials can be met.

The invention discloses a magnesium carbonate crystal prepared based on hexamethylenetetramine and a preparation method thereof, and belongs to the technical field of magnesium carbonate materials. The preparation method comprises the following steps: dissolving urea and magnesium chloride, adding hexamethylenetetramine, oscillating in water bath ultrasonic to fully react, then transferring the reaction system into a hydrothermal reaction kettle to perform hydrothermal reaction, and washing and drying a reactant to obtain magnesium carbonate crystals. According to the invention, magnesium chloride and urea are taken as raw materials, hexamethylenetetramine is taken as an additive, the nucleation-growth process is directionally regulated by the hexamethylenetetramine additive, and an optimized reaction process is adopted, so that the magnesium carbonate crystal with high purity, good crystallinity and an excellent pore structure is successfully synthesized; the prepared magnesium carbonate crystal has an optimized porous structure. According to the structure, the mass transfer efficiency is effectively improved, diffusion and transmission of substances in the material are facilitated, and the preparation method is simple and has wide application potential.

This invention proposes a method for preparing and applying an indium sulfide photocatalytic material with specific vacancies. The method involves forming a first solution with ethanol and deionized water; dissolving InCl3·4H2O and thioacetamide, or InCl3·4H2O, thioacetamide, and hexamethylenetetramine, in the first solution by stirring; obtaining a clear solution; reacting the clear solution at a constant temperature; cooling after the reaction; and collecting the product by centrifugation; washing the product; and drying it at a constant temperature; finally, obtaining the photocatalytic material with specific vacancies. This invention introduces vacancies into In2S3, thereby regulating the surface active sites, enhancing its light utilization efficiency and the separation and transfer ability of photogenerated carriers, and improving the photocatalytic activity of N2 to NH3 reduction.

A method of cleaning a fouled reverse osmosis (RO) membrane using a comb-shaped polymer which includes dissolving the comb-shaped polymer and a base in water to form a solution, contacting the fouled RO membrane with the solution to produce a cleaned RO membrane. The comb-shaped polymer includes reacted units of poly(isobutylene-alt-maleic anhydride) and an oligoethylene amine where, the oligoethylene amine is triethylenetetramine, tetraethylene pentaamine, or pentaethylenehexamine.

This invention discloses a photoelectrocatalyst and its preparation method, wherein the photoelectrocatalyst comprises Zn 2+ Ce 4+ Au; Zn 2+ Including ammonium acetate, zinc nitrate, and hexamethylenetetramine; Ce 4+ Including cerium nitrate, ammonium chloride, and potassium chloride; Au includes PVP, sodium citrate, potassium bromide, and chloroauric acid; Zn 2+ Ce 4+ The molar ratio of Au to Zn is... 2+ Ce 4+ Au = 1:0.5 ~ 1:2.5 * 10 ‑7 ~7.5*10 ‑7 This method uses electrodeposition to prepare ZnO as a substrate. Its vertically aligned one-dimensional (1D) nanostructures exhibit quantum size-dependent effects, effectively shortening the carrier diffusion distance. CeO2 coats the ZnO, forming a stable, acid- and alkali-resistant substrate material. CeO2 traps electrons from Ce... 4+ Restored to Ce 3+ This forms oxygen voids and Ce 3+ / Ce 4+ Electron pairs produce high catalytic activity.

A filtration membrane including a first layer having a triamine-functionalized polysilicate mesoporous material, a second layer including a polysulfone; and a third layer including a polyester terephthalate is described. An orthosilicate group of the triamine-functionalized polysilicate mesoporous material is bonded to a silicon atom of a silicon-containing triamine to form a triamine-functionalized polysilicate backbone, wherein the silicon-containing triamine and one or more tetramines are covalently crosslinked with terephthaloyl chloride to form a polyamide, and wherein the triamine-functionalized polysilicate mesoporous material has a hierarchical structure of MCM-41. The membrane is adapted for use selected from the use group consisting of oil and water separation, water treatment, desalination, and pharmaceutical filtration.

The invention discloses a modified molecular sieve for PSA nitrogen preparation and a preparation method and application thereof, and belongs to the technical field of gas separation materials. The modified molecular sieve comprises a silicon-aluminum molecular sieve matrix, a transition metal oxide and an organic amine compound; the molar ratio of SiO2 to Al2O3 of the silicon-aluminum molecular sieve matrix is 5-8; the transition metal oxide is a compound of copper oxide and cobalt oxide, the mass ratio of the copper oxide to the cobalt oxide is 2: 1, and the total loading amount of the transition metal oxide is 3%-8% of the mass of the silicon-aluminum molecular sieve matrix; the organic amine compound is ethylenediamine or triethylene tetramine, and the loading capacity of the organic amine compound is 1-5% of the mass of the silicon-aluminum molecular sieve matrix. The modified molecular sieve takes a silicon-aluminum molecular sieve as a matrix, bifunctional modification is performed by loading transition metal oxides (copper oxide and cobalt oxide) and an organic amine compound, and the synergistic effect of the modified molecular sieve and the silicon-aluminum molecular sieve is optimized, so that the limitation of the prior art is broken through, and the sustainable development of the ammonia synthesis industry is promoted.

The present invention describes a new crystalline form of triethylenetetramine tetrachloride which has improved room temperature stability over known forms and over the dichloride salt. The new crystalline form is characterised by having peaks in an XRPD spectrum at 22.9, 25.4, 25.8, 26.6, 34.6 and 35.3±0.1° 2θ and Raman shifts 943, 1173, 1527 and 1612±5 cm−1. The crystalline form of triethylenetetramine tetrachloride is useful in the treatment of Wilson's disease.

The invention relates to a preparation method of furan-containing polybenzimidazole (PBI), in particular to a method for preparing furan-containing polybenzimidazole (PBI) by using bio-based furandicarboxylic acid (FDCA) as a diacid monomer instead of a traditional petroleum-based monomer and by using specific aromatic tetramine including 3, 3 ', 5'-tetracarboxylic acid (FDCA) as a diacid monomer. The novel polybenzimidazole polymer is synthesized by the following steps of: reacting 3, 3 '-diaminobenzidine, 3, 3', 4, 4 '-tetraamino diphenyl ether or 3, 3', 4, 4 '-tetraamino diphenyl sulfone at 150-160 DEG C for 2-4 hours under the protection of nitrogen in the presence of an ionic liquid solvent and a dehydrating agent phosphorus pentoxide, and reacting at 165-215 DEG C for 4-30 hours. The invention solves the problems of high processing difficulty, high cost and fossil raw material dependence of the traditional petroleum-based PBI.

The invention discloses anti-cracking and anti-corrosion concrete and a preparation method thereof, and relates to the technical field of concrete preparation, the concrete comprises the following raw materials by weight: 350-400 parts of cement, 80-90 parts of fly ash, 170-190 parts of water, 5-8 parts of a water reducer, 1100-1200 parts of gravel, 700-800 parts of medium sand, 3-5 parts of a modified filler, 8-10 parts of a modified additive, and 3-5 parts of triethylene tetramine. In the raw material mixing process, epoxy groups in the modified additive and epoxy groups on the surface of the modified filler can react with amino groups on triethylene tetramine to form a cross-linked network, and the modified filler contains iron-based layered double hydroxides which can quickly absorb chloride ions, so that the corrosion resistance effect of the concrete is improved, and the service life of the concrete is prolonged. The modified additive forms a polysiloxane network, so that a hydrophobic network is formed in the concrete, and the anti-permeability effect of the concrete is effectively improved.

The application discloses a high-hardness corrosion-resistant coating material suitable for steel doors and windows and a preparation method thereof, and relates to the technical field of coating materials. In the preparation of the high-hardness corrosion-resistant coating material suitable for steel doors and windows, an inhibition and flame-retardant agent is prepared by reacting tris(aminomethyl) phosphine oxide and 8-hydroxyquinoline-5-formaldehyde; a functional epoxy monomer is prepared by sequentially reacting 2,4,6-trimethyl-1,3,5-triazine with 3-hydroxyfluorene-9-ketone and epichlorohydrin; modified graphene is prepared by reacting pre-modified graphene with 3-mercapto-1-propylamine; and the high-hardness corrosion-resistant coating material suitable for steel doors and windows is prepared by uniformly mixing epoxy resin, the functional epoxy monomer, the modified graphene, the inhibition and flame-retardant agent, triethylenetetramine, a defoaming agent and acetone. The high-hardness corrosion-resistant coating material suitable for steel doors and windows prepared by the application has excellent corrosion resistance, flame retardation and anti-aging performance.

The invention discloses a method for measuring the calcium content of a seamless pure calcium line, and aims to solve the problem of inaccurate detection of a sample containing an oxide layer. According to the method disclosed by the invention, a two-step acidolysis strategy of diluted hydrochloric acid-hexamethylenetetramine and glacial acetic acid warming is adopted, so that comprehensive and rapid dissolution of metal calcium and calcium oxide and super-strong protection of iron sheets are realized; a gradient alkalization masking strategy of triethanolamine-ammonia water-potassium hydroxide is adopted, so that deep masking of interference ions and an acute titration end point are realized. The method has the advantages of good selectivity, strong anti-interference capability, high accuracy and simple operation, and is especially suitable for accurate quality evaluation of seamless pure calcium line products in iron and steel enterprises.

The application discloses a conductive soil for preventing underground stray current from corroding pipelines and a filling method. If the underground pipelines of a city are corroded, the harm is immeasurable. The conductive soil comprises the following components in percentage by weight: gypsum powder 55-65%, diatomite or bentonite 20-15%, sodium sulfate 9.5-4.5%, fly ash or carbon residue 15%, and hexamethylene tetramine or thiourea 0.5%. When the pipelines are filled after installation, the pipelines are filled with the conductive soil with a thickness of 100-200 mm, so that the stray current flowing into the ground is transmitted to the ground through the conductive soil preferentially, and does not enter the oil and gas pipelines, thereby achieving the purpose of preventing the corrosion of the stray current on the underground pipelines.

The application discloses a carbon dioxide capturing agent and a preparation method and application thereof, relates to the technical field of chemical synthesis, and the formula of the carbon dioxide capturing agent comprises the following components: diethanolamine 2-15 mL, triethylenetetramine 6-20 mL, tetraethylenepentamine 20-80 mL, ethanolamine 2-15 mL, triethanolamine 5-20 mL, methanol 10-50 mL, polyethyleneimine 1-10 mL, piperazine 1-12 g and an initiator 2-10 mL. The carbon dioxide capturing agent can simultaneously meet the three conditions of efficient capturing, low-cost absorption and normal application (temperature 15 DEG C-30 DEG C, pressure 101 kPa), and can very properly compatibly solve the bottleneck problem of the development of the CCUS technology, i.e. economic benefits and cost.

The application provides a nanocrystalline magnetic core and a preparation method thereof, and the preparation raw material of the magnetic core comprises the following components in parts by weight: Nd2Fe 14 B magnetic powder 30-35 parts; Fe 75 CuNb2V2Si 15 B9 nanocrystalline magnetic powder 20-30 parts; hydrogenated bisphenol A type epoxy resin 15-30 parts; polypropylene 10-20 parts; hexamethylenetetramine 5-10 parts as a curing agent; triallyl isocyanurate 6-15 parts as a crosslinking agent. 75 CuNb2V2Si 15 After the annealing pretreatment of the B9 nanocrystalline magnetic powder, the ball milling and the reannealing are beneficial to improving the dispersity of the Nd2Fe 14 B magnetic powder, and further improving the anisotropy of the whole magnetic core and the magnetic permeability of the nanocrystalline magnetic core.

The invention belongs to the technical field of metal surface treatment, and particularly discloses a corrosion inhibition inhibitor for hydrochloric acid pickling and a preparation method and application thereof, and the corrosion inhibition inhibitor comprises hexamethylenetetramine, ferric chloride, ethyl silicate, glacial acetic acid, dibutyl phthalate, sodium hydroxide, ethylenediamine tetraethanol and desalted water. The inhibitor can form a protective film on the metal surface, effectively inhibits corrosion of acid liquor to a strip steel matrix, reduces iron loss, hydrogen embrittlement and acid mist emission, is suitable for a cold-rolled strip steel hydrochloric acid pickling process, and has the advantages of being small in addition amount, high in inhibition efficiency, environmentally friendly and the like.

The application provides a double metal Schiff base complex, a preparation method thereof and application of the double metal Schiff base complex in catalyzing synthesis of cyclic carbonate. A tetraamine benzene compound containing a substituent group and a salicylaldehyde compound containing a substituent group are dissolved in an organic solvent A, a metal source MZ is added, an organic acid B is added as a catalyst, and the reaction is heated to reflux to obtain the double metal Schiff base complex. The double metal Schiff base complex prepared by the application can weaken the problem of self-polymerization of an active center to a certain extent by adjusting the overall electron cloud density through an X group. The double metal Schiff base complex is used as a catalyst for preparing a cyclic carbonate by reacting carbon dioxide with an epoxide compound, and the catalyst has high activity, good selectivity and is easy to separate from the product; the reaction condition is mild and the process is simple. Moreover, the application can realize one-step production, is simple to prepare and can realize large-scale production.

The present invention relates to a process for the preparation of an aromatic amine by hydrogenation of an aromatic nitro compound, comprising the following steps: (I) providing a copper tetramine salt-based impregnation catalyst, in particular an impregnation catalyst obtainable by the incipient wetness method, comprising a metal or metal oxide on a support as a hydrogenation catalyst. At least metallic or oxidic copper (in particular CuO) is present and the mole fraction of Cu based on all metals present is in the range of 075 to 1, and wherein the support comprises shaped silicon-dioxide shaped bodies or silicon-carbide shaped bodies; (II) optionally, activating the hydrogenation catalyst by treating with hydrogen in the absence of the aromatic nitro compound; and (III) reacting the aromatic nitro compound with hydrogen in the presence of the, optionally activated, hydrogenation catalyst to obtain the aromatic amine.

This invention relates to pharmaceutical formulations comprising triethylenetetramine tetrahydrochloride (TETA·4HCl). Specifically, it relates to pharmaceutical compositions which are suitable for once a day administration to a subject in need of treatment.

The invention discloses a preparation method and application of europium-doped zinc oxide graphene composite filler. The preparation method comprises the following steps: (1) dissolving zinc nitrate and europium nitrate in deionized water; adding hexamethylenetetramine to obtain a mixed solution; transferring the mixed solution into a high-pressure reaction kettle, and reacting at 120-200 DEG C; after cooling, centrifuging, washing and carrying out vacuum drying to obtain Eu-ZnO NRs powder; (2) adding graphene oxide into ethylene glycol, and performing ultrasonic dispersion to form dispersion liquid; adding Eu-ZnO NRs powder, and carrying out ultrasonic mixing; adding hydrazine hydrate, and carrying out reflux reaction at 65-95 DEG C; and centrifuging, washing and drying to obtain the europium-doped zinc oxide graphene composite filler. The europium-doped zinc oxide graphene composite filler disclosed by the invention is used for ship anticorrosive paint, a conductive network can be constructed, the corrosion resistance is enhanced, and corrosive media such as seawater and oxygen are prevented from being in contact with a metal surface, so that the occurrence of corrosion is slowed down or prevented.

The application discloses a kind of integrated circuit chip package lead frame's electroless gold plating solution and its gold plating method, it is related to integrated circuit chip packaging field.Therein, electroless gold plating solution is following concentration component aqueous solution: water-soluble gold compound, with Au, concentration is 1-1.5g / L;Sodium hypophosphite 10~20g / L;Malic acid 15~20g / L;Citric acid 15~20g / L;N,N'-bis (2-hydroxyethyl) ethylenediamine 10~15g / L;Triammonium citrate 15~20g / L;EDTA-2Na 5~10g / L;5,5'-dimethyl hydantoin 5~10g / L;Metal ion catalyst, with metal ion, concentration is 2~3ppm;Mercaptoimidazole 0.01~0.015g / L;Hexamethylenetetramine 5~10g / L.The electroless gold plating solution in the application can consider stability, high deposition rate and plating layer deposition uniformity.

The invention discloses a method for preparing 2, 3, 5, 6-pyridine tetramine from liquid ammonia, and belongs to the field of organic chemical synthesis. According to the method, liquid ammonia or ammonia water is used as an amination reagent, and the amination reagent and a raw material 2, 3, 5, 6-tetrachloropyridine are subjected to a high-pressure temperature-control nucleophilic substitution reaction in an inert solvent, a protective gas atmosphere and under the action of a catalyst to prepare a target product. The prepared 2, 3, 5, 6-pyridine tetramine is stable in structure and reliable in performance, can be directly applied to the fields of organic synthesis intermediates, functional material preparation, drug molecule precursors and the like, provides a new path for efficient and green preparation of the compounds, and has remarkable practical value and popularization prospects.

The application belongs to the technical field of covalent organic framework materials, and particularly relates to an electron acceptor, a preparation method thereof, and a benzothiadiazole quinoxaline covalent organic framework material and application. The application first provides an electron acceptor, then adopts the electron acceptor and an electron donor to perform Schiff base reaction to prepare a benzothiadiazole quinoxaline covalent organic framework material, the electron donor is selected from tetramine of pyrene or 1, 3, 5-tri (4-aminophenyl) benzene, and the benzothiadiazole quinoxaline covalent organic framework material is applied as a photocatalytic material. The application takes quinoxaline benzothiadiazole as an electron acceptor, adjusts donor-acceptor arrangement, and arranges a donor-acceptor structure, so as to enhance a charge transfer process, slow down binding, improve photocatalytic efficiency, provide a molecular structure basis for a structure-performance relationship of covalent organic framework materials, design and develop a high-performance photocatalyst, and overcome the defects of low catalytic efficiency of the existing covalent organic framework materials.

The application discloses PPy@CeO2 NPs nanoparticles and a preparation method and application thereof, CeO2 nanoparticles are loaded on the surface of polypyrrole nanoparticles, and the preparation method comprises the following steps: S1, polypyrrole nanoparticles are synthesized by using a chemical oxidation polymerization method; S2, Ce 3+ is oxidized into CeO2 nanoparticles in an alkaline environment provided by hexamethylenetetramine, is mixed with polypyrrole nanoparticles, is coated on the surface of the polypyrrole nanoparticles, and PPy@CeO2 NPs nanoparticles are obtained. The PPy@CeO2 NPs nanoparticles can be applied to preparation of photothermal conversion agents and CDT reagents.

The invention provides a bionic multilevel structure super-hydrophobic coating as well as a preparation method and application thereof. The bionic multilevel structure super-hydrophobic coating comprises a submillimeter layer, a micron layer and a nano layer, wherein the submillimeter layer is a substrate made of high-temperature laminated resin; the micron layer is a bulge made of high-temperature laminated resin; the raw materials of the nano layer comprise a substrate coating and a functional coating; wherein the substrate coating is prepared from epoxy resin (E-51), polydimethylsiloxane (PDMS), ethyl acetate, triethylene tetramine and a curing agent; the functional coating is prepared from the following raw materials: hydrophobic modified TiO2 nanoparticles, PDMS (Polydimethylsiloxane) and ethyl acetate. According to the bionic multilevel structure super-hydrophobic coating, the preparation method and the application, anisotropic liquid drop control performance (forward / reverse direction sliding angle difference), an adjustable liquid drop bouncing behavior and efficient resistance reduction (gt; 66%) at a high shear rate (such as 200s <-1 >) are achieved.