64results about How to "Good thickening effect" patented technology

The invention belongs to the technical field of oil and gas field development, and particularly relates to a CO2 thickening agent for supercritical CO2 oil displacement and a preparation method of the CO2 thickening agent. The preparation method of the CO2 thickening agent for supercritical CO2 oil displacement comprises the following steps: (1) mixing a maleic anhydride compound and a styrene compound, dissolving in water, introducing inert gas, and heating; (2) slowly dropwise adding a mixed solution of a vinyl acetate compound and an initiator, and cooling after the reaction is finished; and (3) filtering, washing a solid phase by using an anhydrous alcohol substance, drying, and grinding to obtain a thickening agent product. The supercritical CO2 thickened by the thickening agent prepared by the invention can effectively slow down the viscous fingering phenomenon in the displacement process and improve the CO2 sweep efficiency, thereby improving the crude oil recovery rate.

The invention relates to the technical field of defoaming agents, and discloses a modified organic silicon defoaming agent and a preparation method thereof.The modified organic silicon defoaming agent takes hydrogen-containing silicone oil as a base material, polyether modified carboxymethyl cellulose and modified white carbon black are used for modifying the base material to obtain the modified organic silicon defoaming agent, and after the white carbon black is modified, the modified organic silicon defoaming agent is prepared. According to the present invention, the polyether modified organic silicon is uniformly and stably distributed in the system so as to improve the defoaming efficiency, the carboxymethyl cellulose has characteristics of excellent thickening property, excellent film forming property and excellent stability, can improve the consistency of the organic silicon defoaming agent, can help to form the stable film layer, can easily adhere and disperse the active component of the defoaming agent, and can improve the defoaming effect; the surface property of the modified organic silicon is improved, the modified organic silicon has better hydrophilicity and wettability, the structural stability of the silicone oil is improved, all the components have a synergistic effect, and the prepared modified organic silicon has excellent defoaming and foam inhibiting effects, meanwhile, the dispersity is good, the heat resistance and stability are improved, and the application range is wide.

The invention provides a nano foam scrubbing agent suitable for environments with various temperatures and mineralization degrees as well as a preparation method and application of the nano foam scrubbing agent. The nano foam scrubbing agent comprises an anionic surfactant, a nonionic surfactant, a zwitterionic surfactant, foam stabilizing particles and a solvent, the total mass concentration of the anionic surfactant, the nonionic surfactant and the zwitterionic surfactant in the nano foam scrubbing agent is 0.1-1.0 wt%, and the mass concentration of the foam stabilizing particles is 0.1-0.5 wt%; the mass ratio of the anionic surfactant to the nonionic surfactant to the zwitterionic surfactant is (10-30): (15-20): (15-25). The foam scrubbing agent disclosed by the invention has relatively good foaming, foam stabilizing and liquid carrying capacities at 35-95 DEG C in a mineralization degree range of 10000-50000 mg / L, has very good salt resistance and calcium and magnesium ion resistance, and can adapt to environments with various temperatures and different mineralization degrees.

The invention discloses selenium disulfide shampoo with a good suspension effect and a preparation method of the selenium disulfide shampoo. The selenium disulfide shampoo comprises the following raw materials in percentage by weight: 0.05-1% of selenium disulfide particles; 0.2-6% of a high-molecular polymer capable of suspending selenium disulfide particles; 0.5 to 5% of a polyol; and 0.05%-0.1% of a chelating agent. The selenium disulfide shampoo has the advantage of being good in suspension effect, and the problems that in the using process of existing selenium disulfide shampoo, due to the fact that the dispersion uniformity and suspension stability of selenium disulfide in the shampoo are poor, the selenium disulfide is likely to be precipitated in a shampoo container, the concentration of the selenium disulfide before and after use is different, and the selenium disulfide cannot be precipitated in the shampoo container are solved. The treatment effect of the selenium disulfide shampoo on a patient is influenced.

The invention provides a carbon dioxide flooding thickening agent as well as a preparation method and application thereof. The carbon dioxide flooding thickening agent has a structure as shown in a formula I, the weight-average molecular weight of the carbon dioxide flooding thickening agent is 8000 to 50000. According to the invention, the compound with the structure as shown in the formula I is used for thickening the carbon dioxide, and meanwhile, the weight-average molecular weight of the compound is within a specific range, so that the compound has good solubility with the carbon dioxide, high solubility in the carbon dioxide and good tackifying performance, the viscosity of the carbon dioxide is effectively improved, and the mining efficiency is improved; the use of fluorine-containing and silicon-containing materials is avoided, and the method is green, environment-friendly and low in cost.

The invention provides a thickening agent for an oil field fracturing fluid, a preparation method of the thickening agent and the fracturing fluid, and belongs to the technical field of fracturing fluids. Comprising a polymer, a synergist, a salt-resistant component, a structure regulator, a suspending agent and an emulsifier. The polymer prepared by the invention contains abundant anions and cations, including quaternary ammonium salt cation structures, sulfonate anions and the like, and molecular winding can be realized through mutual attraction of the anions and cations, so that the elasticity modulus is increased, the sand-carrying performance is improved, and the sand-carrying and thickening performance of the thickening agent is improved; the fracturing fluid has good temperature resistance, salt resistance, shearing resistance, water solubility and thickening property, integrates the functions of drag reduction, sand carrying, fracture forming, swelling prevention, discharge aiding, low damage and the like, and has wide application prospects.

The invention relates to the technical field of cement-based building materials, in particular to an aerogel thermal insulation pipeline and a preparation method thereof.Cement, fly ash and limestone powder are adopted, tackifying active powder is prepared to serve as a cementing material, aerogel powder is added to serve as thermal insulation filler, and the aerogel thermal insulation pipeline is prepared. According to the present invention, the heat-insulation material is prepared by adding the water reducing agent, the alkylol amine, the gas-phase nano-silica, the polyvinyl alcohol, the early strength agent and the defoaming agent as the auxiliary agents, the block material is formed through the 3D printing manner, the inner diameter and the outer diameter are cut according to the pipeline size, and the heat-insulation material can be conveniently sleeved on the industrial heat distribution pipeline, and has excellent heat-insulation effect and excellent mechanical property.

The invention relates to the field of skin care products, and discloses a ceramide liposome for skin care products and a preparation method thereof, the ceramide liposome comprises the following components by weight: 5-10 parts of hydrogenated lecithin, 0.5-2 parts of modified cholesterol, 0.5-2 parts of ceramide, 0.1-2.5 parts of sucrose stearate, 0.1-1 part of polyglycerol-10 stearate, and 15-30 parts of an organic solvent; the modified cholesterol is prepared by grafting glycine cholesteryl ester and carboxymethyl chitosan through a chemical reaction, the glycine cholesteryl ester is prepared from cholesterol, N-t-butyloxycarboryl glycine and trifluoroacetic acid as raw materials, and the carboxymethyl chitosan is prepared by grafting chloroacetic acid and chitosan. According to the invention, hydrogenated lecithin, modified cholesterol, ceramide, sucrose stearate and polyglycerol-10 stearate are used as raw materials to prepare the ceramide liposome with good stability, good skin barrier repairing property and good moisturizing and water locking effects.

The invention relates to the technical field of oil fields, and discloses an acid liquor thickening agent and a preparation method thereof.The preparation method comprises the steps that 3, 4-dihydroxycinnamic acid, acrylamide, sodium alkenyl sulfonate modified boric acid and quaternized cardanol are added into water and mixed to be uniform, citric acid continues to be added to adjust the pH, nitrogen continues to be introduced, azodiisobutyronitrile, potassium persulfate and sodium pyrosulfite are added into the mixture, and the mixture is stirred to be uniform; and after the reaction, filtering and washing to obtain the acid liquor thickening agent. The acid liquor thickening agent contains adamantane and benzene ring rigid groups, so that the rigidity of the acid liquor thickening agent is improved, and the anti-shearing capability and the stability of the acid liquor thickening agent are also enhanced; the quaternary ammonium salt group and the sodium sulfonate group improve the temperature resistance and the shear resistance of the acid liquor thickening agent.

The invention belongs to the technical field of oil and gas field development, and specifically relates to a method for supercritical CO 2 CO2 for oil recovery 2 Thickener and preparation method thereof. A thickener for supercritical CO 2 CO2 for oil recovery 2 The preparation method of the thickener comprises: (1) mixing a maleic anhydride compound and a styrene compound, dissolving the mixture in water, introducing an inert gas and heating; (2) slowly dropping a mixed solution of a vinyl acetate compound and an initiator, cooling after the reaction is completed; (3) filtering, washing the solid phase with an anhydrous alcohol substance, drying and grinding to obtain a thickener product. The supercritical CO thickened by the thickener prepared by the present invention 2 , which can effectively slow down the viscous fingering phenomenon during displacement and improve CO 2 Sweep efficiency, thereby increasing oil recovery.

The invention discloses a synthesis method of a high thickening lithium magnesium silicate, and belongs to the technical field of preparation of silicate materials. It uses sodium silicate, magnesium salt, and lithium salt as raw materials, and water as the main solvent, and reacts in a closed stirring reactor, the reaction temperature is 180-300 ° C, and carbon dioxide is introduced to control the reaction pressure at 2-6MPa. Carbon dioxide in a near-critical state acts as a secondary solvent and water to dissolve, transfer mass, and transfer heat, and reacts for 2-4 hours before separation and drying, and finally obtains lithium magnesium silicate with small particle size and low layer charge. The lithium magnesium silicate has excellent thickening ability, and its aqueous dispersion has extremely high light transmittance.

The present invention belongs to the field of daily chemical new materials, and discloses a method for preparing a fermented facial mask liquid, wherein fermented bacteria are inoculated into a fermentation culture medium for fermentation treatment to obtain a fermented facial mask liquid; the fermentation culture medium contains a carbon source, a tremella extract, a yeast extract, rice, and wheat germ; the fermented bacteria are a 10-bacteria type bifidobacterium probiotic powder household lactic acid bacteria starter provided by Angel Yeast Co., Ltd. The method uses tremella extract, yeast extract, wheat germ, and rice for mixed fermentation, and the obtained fermentation product has a viscosity of more than 290 mPa·s. After dilution, the adjustable viscosity range is 100 to 300 mPa·s, and it still has the skin care functions of firming, soothing, and anti-wrinkle under low concentration conditions, and has good safety, mildness, and non-irritation. At the same time, the present invention also provides a fermented facial mask liquid and its application.

The invention discloses an oil dispersant for ships, and belongs to the technical field of oil for ships. The oil dispersant for the ship comprises the following components in parts by weight: 15-20 parts of a solvent, 10-20 parts of a composite surfactant solution, 10-15 parts of high-dispersion modified soil, 2-8 parts of vegetable oil, 1-5 parts of tert-butylhydroquinone, 1-2 parts of a yeast extract, 1-2 parts of a colloidal substance, 1-2 parts of sodium benzoate and 1-3 parts of a pH regulator, the composite surfactant solution is obtained by graft modification of a modified polymer, a chemical surfactant and a bio-based surfactant; the high-dispersion modified soil is obtained by modifying bentonite, montmorillonite and magnesium silicate clay. The prepared oil dispersant for the ship not only has efficient dispersion performance and good stability, but also improves the use efficiency and environmental protection performance of the oil for the ship.

The utility model discloses a precursor synthesis and concentration device, which belongs to the technical field of precursor concentration, aims at solving the problems that large impurities in a precursor are not easy to filter and clean and the concentration effect of the precursor is influenced in the prior art, and comprises a concentrator and a cover plate fixedly arranged on the top surface of the concentrator, a fixed cylinder is fixed in the middle of the top surface of the cover plate, a liquid inlet pipe is fixed on the outer surface of the fixed cylinder, and a filter cylinder corresponding to the liquid inlet pipe is inserted into the top of the fixed cylinder; through the arrangement of the filter cartridge, the feeding hole, the cartridge cover and other structures, the function of filtering impurities from a precursor is realized, so that the concentration effect of the thickener is improved, the bottom surface of the filter cartridge is conical, the accumulation of impurities at one part of the bottom surface of the filter cartridge is reduced, the filtering efficiency of the filter cartridge is improved, and the limiting mechanism is arranged, so that the concentration effect of the thickener is improved. The function of limiting the cylinder cover is achieved, the stability of the cylinder cover after the filter cylinder is inserted is kept, and the sealing performance after the cylinder cover is closed is improved.

The invention relates to the technical field of organobentonite, in particular to a preparation method of nanoscale organobentonite, which is characterized in that fine crushing and purification treatment is performed on bentonite raw ore powder, and specific acidizing treatment steps are combined, so that not only can impurities be effectively removed, but also high-purity nanoscale preparation of bentonite can be realized; the activity and the reaction performance of the bentonite are improved, and a foundation is laid for subsequent sodium treatment and lithiation treatment; secondly, sodium bentonite and lithium bentonite are prepared through sodium treatment and lithiation treatment respectively, then the composite bentonite is prepared through mixing, the lithiation bentonite has excellent expansibility, thickening property and suspension property in water, low alcohol and low ketone, the sodium bentonite has good dispersity and cohesiveness, and the composite bentonite is prepared through mixing the sodium bentonite and the lithium bentonite. After the two are mixed and organically modified, the advantages of the two can be integrated, and the physical properties of the bentonite are further improved, for example, the expansion multiple is increased, the viscosity is increased, and the suspension stability is enhanced.

The invention provides a high-efficiency paricalcitol injection and a preparation method thereof, and relates to the technical field of pharmaceutical preparations, the high-efficiency paricalcitol injection comprises an oil phase substance containing paricalcitol and a water phase substance containing chitosan; the preparation method comprises the following steps: simultaneously pouring a water-phase substance and an oil-phase substance into a container of a high-speed shearing emulsifying machine, carrying out ultrasonic emulsification, filtering, carrying out high-pressure homogenization, centrifuging, taking supernate to obtain the paricalcitol injection, enabling the paricalcitol injection to pass through a pretreated cation exchange resin column, collecting effluent, recording data, and determining the content of the paricalcitol. And enabling the effluent after cation exchange to pass through a pretreated anion exchange resin column, collecting the effluent, filtering, and sterilizing to obtain the efficient paricalcitol injection.

The invention relates to the technical field of defoaming agents, and discloses an emulsion type defoaming agent with excellent stability and a preparation method thereof.The preparation method comprises the steps that white carbon black and graphene are modified and react to obtain modified filler, the modified filler and hydrogen-containing silicone oil are subjected to an addition reaction to obtain modified organic silicon, and the modified organic silicon is subjected to a reaction to obtain the emulsion type defoaming agent. The modified organic silicon, the thickening agent, the emulsifying agent and the deionized water are stirred and mixed to obtain the emulsion type defoaming agent with excellent stability, the white carbon black and the graphene of the defoaming agent have a synergistic effect and are matched with each other, after modification, the defoaming agent can be uniformly dispersed in a matrix to form a more stable defoaming system, the stability of the product is enhanced, the preparation process is simple, and the preparation method is suitable for industrial production. The foaming agent has the advantages of easily available raw materials, low cost, capability of rapidly eliminating and preventing foam generation, effective improvement of the production efficiency, good stability, difficult layering phenomenon, and good dispersibility and storage stability.

The invention relates to the technical field of lubricating oil additives, and discloses a copolymer containing a cyclohexyl structure as well as a preparation method and application thereof. The copolymer contains at least three segments of block structures and at least two segments of random gradient structures, and contains a cyclohexyl structure; the general formula of the copolymer is C1-CA1-B-A2-C2, a C1 segment and a C2 segment are of block structures, and each of the C1 segment and the C2 segment independently comprises a structural unit as shown in a formula (1); the section A1 and the section A2 are of random gradual change structures, and each of the section A1 and the section A2 independently comprises a structural unit as shown in a formula (1) and a structural unit as shown in a formula (2); the segment B is of a homopolymerized block structure; and the segment B comprises a structural unit as shown in a formula (2). The copolymer disclosed by the invention has relatively good high-temperature tackifying effect, high-temperature anti-shearing capability and low-temperature fluidity, and can be used as a viscosity index improver of lubricating oil. # imgabs0 #

The invention discloses high-whiteness sodium aluminum silicate as well as a preparation method and application thereof. The preparation method comprises the following steps: adding an aluminum salt solution and water into a reaction kettle until the pH value is 4-6, stirring and heating to 45-65 DEG C; an aluminum salt solution and a sodium silicate solution are added for a reaction, the pH value is 4-6, the temperature is 45-65 DEG C, and the reaction time is 10-30 min; continuously adding the sodium silicate solution until the pH value is adjusted to 8-10; the sodium silicate solution and the aluminum salt solution are continuously added, the pH value is 8-10, the reaction is carried out for 50-70 min, and aging is carried out after flow merging is finished; adding a sulfuric acid solution, adjusting the pH value to 3.5-4.5, adding a masking agent, and stirring; and carrying out solid-liquid separation, washing, pulping and drying on the solution obtained in the previous step to obtain a high-whiteness sodium aluminum silicate product. The high-whiteness sodium aluminum silicate prepared by the method is high in whiteness and good in dispersity, and has the advantages of being simple in production process, low in cost and capable of realizing large-scale production.

This invention discloses a concentration-degradation separation device, comprising: a bent tube body, a flow guiding component, a separation component, and a concentration component. The flow guiding component includes a first flow guide plate and a second flow guide plate, defining a converging channel whose cross-sectional area gradually decreases from upstream to downstream. The separation component includes a rotating shaft and a partition plate, defining a concentrated phase branch channel connected to the converging channel. The concentration component is connected to the bent tube body and has a concentration channel, a gas chamber, and a vent. The concentration channel is connected to the concentrated phase branch channel, and its peripheral wall has multiple filter holes. The concentration channel is connected to the gas chamber via the filter holes, and the vent is also connected to the gas chamber. The flow guiding component enhances powder enrichment. The partition plate adjusts the flow rate and solid-to-gas ratio of the concentrated phase branch, and the concentration component fine-tunes the concentration of the concentrated phase branch, further enhancing the concentration effect of the separator.

The invention relates to the technical field of oil field chemicals, and discloses a temperature-resistant and salt-resistant cationic hydrophobic association polymer as well as a preparation method and application thereof. The polymer is prepared from the following components: acrylamide, N, N-dimethyl-N-methacryloyloxyethyl-N-2-hydroxy-1-octadecylamine propyl ammonium chloride, ammonium persulfate, sodium hydrogen sulfite, fatty alcohol-polyoxyethylene ether and a solvent. According to the invention, a specific amount of acrylamide, N, N-dimethyl-N-methacryloyloxyethyl-N-2-hydroxy-1-octadecylamine propyl ammonium chloride, ammonium persulfate, sodium hydrogen sulfite and fatty alcohol-polyoxyethylene ether are subjected to chemical synthesis, and a polymer with high thickening efficiency can be prepared. The polymer has the advantages of good thickening performance, small critical association concentration and excellent temperature resistance and salt resistance, and can adapt to unconventional oil fields. The product produced by the preparation method is low in residual monomer content, simple in preparation process, low in cost, easy to operate, less in pollution and easy for industrial production.

The invention provides a jujube fruit cracking prevention film agent as well as a preparation method and a use method thereof.The jujube fruit cracking prevention film agent is prepared from the following raw materials in parts by mass: 1-5 parts of a polyvinyl alcohol solution, 1-5 parts of a polyacrylamide solution and 0.5-1 part of a modified oxidized humic acid solution; wherein the polyvinyl alcohol solution is prepared from the following components in parts by mass: 1 to 5 parts of polyvinyl alcohol, 0.1 to 0.5 part of cross-linking agent and 50 to 120 parts of water; the polyacrylamide solution is prepared from the following components in parts by mass: 1 to 5 parts of polyacrylamide, 0.1 to 1 part of hydrophobic monomer and 80 to 150 parts of water; the modified oxidized humic acid solution is prepared from the following components in parts by mass: 1 to 2 parts of modified oxidized humic acid, 0.05 to 0.1 part of calcium salt, 0.05 to 0.1 part of phosphorus salt, 0.05 to 0.1 part of silicon fertilizer, 0.05 to 0.1 part of borax, 0.05 to 0.1 part of growth promoting agent and 30 to 80 parts of water. The jujube fruit cracking prevention film agent can prevent jujube fruit cracking.

The invention discloses a mortar adhesive for construction and a preparation method thereof, and relates to the technical field of mortar adhesive. The composition of the mortar adhesive by weight is as follows: 60 to 85 parts of powder; 50 to 80 parts of polymer gelling material; 10 to 30 parts of liquid agent; 40 to 60 parts of river sand; 2 to 4 parts of foaming agent; 0.2 to 0.4 parts of foam stabilizer; and 2 to 4 parts of admixture. In the present invention, the powder can provide thermal stability through the composition of heavy calcium carbonate powder, and heavy calcium carbonate as a filler can increase the volume of the product and reduce the production cost. The whiteness of the powder is ≥90%, so that the use of the powder can improve the appearance quality and enhance the visual effect. The content of active silicon dioxide, chloride and sulfur is very low, which helps to improve the chemical stability of the powder and ensure its reliability in various applications. Finally, the addition of silicon micropowder can improve the strength and rigidity of the mixture, thereby improving the compression and bending resistance of the final product.

The application discloses a sodium-ion battery electrolyte with a flame-retardant function and a preparation method and application thereof, and comprises the following components in parts by weight: 80-100 parts of a solvent, 18-26 parts of a sodium salt and 1-10 parts of an enhanced flame retardant; the preparation raw materials of the enhanced flame retardant comprise modified nano silicon dioxide; the preparation raw materials of the modified nano silicon dioxide comprise nano silicon dioxide, tannic acid and polyethylene imine. The application provides the sodium-ion battery electrolyte with the flame-retardant function and the preparation method and application thereof; the nano silicon dioxide has good thixotropy, fluidity and thickening property; the organic solvent can improve the dispersibility of the nano silicon dioxide in the electrolyte, makes the electrolyte more stable, and has excellent flame-retardant property.

The invention discloses cheese capable of being shaped by spraying as well as a preparation method and application of the cheese capable of being shaped by spraying. The raw materials comprise 7%-10% of casein powder, 2%-6% of skimmed milk powder, 25%-30% of anhydrous cream, 0.5%-1.5% of pea protein powder, 0.1%-0.3% of whey protein powder, 0.3%-0.9% of an emulsifying agent, 0.3%-0.5% of milk mineral salt, 0.5%-0.9% of hydroxy propyl distarch phosphate, 5%-15% of citrus fibers, 0.5%-3% of sodium carboxymethyl cellulose, 0.3%-1.1% of colloid, 0.03%-0.1% of a fermentation bacterium agent and the balance of water. The manufactured cheese product capable of being shaped by spraying is uniform and fine in taste and light and fluffy in texture, and when the cheese product is sprayed above tea drinks, the phenomena of collapse, deformation and mutual dissolution of the cheese product and the tea drinks cannot occur above the tea drinks within 20 min. When the cheese tea is eaten, rich cheese fragrance and fresh tea fragrance can be tasted at the same time, the flavor is progressive layer by layer, and the matching is more palatable.

The invention relates to a salt-tolerant hydrophobic association polymer, an intermediate, a preparation method and a fracturing fluid preparation method. Wherein the structural formula of the salt-tolerant hydrophobic associated polymer is as follows: # imgabs0 #, x, y, z and m are monomer molar ratios, x is 60%-80%, y is 10%-22%, z is 9%-15%, and m is 1%-3%; r1 is dodecyl, hexadecyl or octadecyl. The invention has the following effects: (1) the salt-tolerant hydrophobic association polymer prepared by the preparation method of the salt-tolerant hydrophobic association polymer is high in yield, low in cost and simple in production process; and (2) the prepared salt-tolerant hydrophobic associated polymer has excellent salt tolerance. And (3) the fracturing fluid prepared from the salt-tolerant hydrophobic association polymer has a good thickening effect in a saline solution, and can meet the engineering requirements of field construction of an oil field.

The present invention discloses a photocuring hose prepreg process and a prepreg device thereof, and relates to the technical field of pipelines. The present invention realizes a function of effectively avoiding folding and curling of the hose blank by arranging a stretching component inside a prepreg tank and performing a structural design for stretching a flat hose blank, and effectively solves the problem that the hose blank may fold and curl when immersed in a prepreg liquid, thereby affecting the prepreg effect.

The invention discloses modified corn starch, a thickening composition containing the modified corn starch, a facial cleanser and a preparation method of the thickening composition and the facial cleanser, and belongs to the technical field of daily chemical products. According to the modified corn starch provided by the invention, the weight-average molecular weight and the polymerization degree are controlled within a proper range through a specific preparation method; the acrylate copolymer and the thickening agent with specific component mass parts are subsequently compounded, and the components are matched with one another, so that the thickening capacity of the thickening composition can be effectively improved, and the stability of the obtained thickening composition is excellent. When the surfactant is subsequently applied to a washing product, the obtained washing product has good foam production capacity and pushing performance, and has excellent mildness and stability.

The invention relates to the technical field of petroleum materials, and discloses a modified aminopolysiloxane polymer, a preparation method and an application thereof. The modified aminopolysiloxane polymer comprises the following steps: step 1: adding methoxy polyethylene glycol acrylate to a maleic anhydride solution under an inert gas atmosphere, adding an initiator, fully reacting, and purifying to obtain a maleic anhydride and methoxy polyethylene glycol acrylate copolymer; step 2: adding a catalyst to the copolymer solution obtained in step 1 under an inert gas atmosphere, dripping an aminopolysiloxane solution, fully reacting, and purifying to obtain a desired modified aminopolysiloxane polymer; the modified aminopolysiloxane polymer obtained by the invention can also form a spatial network structure under the cooperation of an auxiliary agent, so as to achieve the purpose of increasing the viscosity of supercritical carbon dioxide, and does not contain fluorine compounds in the preparation process, and avoids conventional precious metal catalysts and hazardous chemicals.

The invention belongs to the technical field of starch ether composite materials, and relates to a preparation method of a high-performance hydroxypropyl starch ether and high-molecular material composite product, which comprises the following steps: dissolving a high-molecular material in ethanol, adding an etherifying agent as a reaction dispersant, successively adding starch, an alkalizing agent and an inhibitor, mixing, alkalizing for a certain time, heating for modification, and cooling to obtain the high-performance hydroxypropyl starch ether and high-molecular material composite product. The high-performance hydroxypropyl starch ether and high polymer material composite product is obtained; according to the invention, a high polymer material and alcohol are mixed as a reaction dispersant, and the reaction efficiency of the etherifying agent is improved on the basis of retaining the performance of the existing product by changing the preparation solvent of starch ether; the product has excellent lubricant, plasticity and thickening property, and can be used for preparing putty powder or mortar, and the viscosity, consistency and water retention rate of the putty powder or mortar are remarkably improved; the advantages of hydroxypropyl starch ether and a high polymer material are completely fused, and a better choice is provided for terminal customers. The preparation method is simple in process, easy to operate, suitable for large-scale popularization and application and wide in market prospect.