83 results about "P-Cresol" patented technology

The embodiment of the invention provides a method for separating various phenols from cresol containing 2, 6-xylenol, which utilizes the characteristics that 2, 6-xylenol, 2, 4-xylenol, 2, 5-xylenol and isobutene can only generate mono-tert-butylated phenol, m-cresol, p-cresol and o-ethyl phenol, and o-cresol and isobutene can generate di-tert-butylphenol, and contains 2, 6-xylenol, 2, 4-xylenol, 2, 5-xylenol and 2, 4-xylenol. According to the method, cresol containing 2, 6-xylenol is subjected to the steps of monoalkylation, rectification, dialkylation, rectification, dealkylation, rectification and the like to realize separation of various phenols, so that the problem that the quality of m-cresol and p-cresol is influenced by 2, 6-xylenol when cresol extracted from medium-low temperature phenol-containing coal tar is separated is solved.

The invention discloses a coating type high-molecular flame-retardant material. The composite material is prepared from the following components: organic silicon modified epoxy resin, a bio-based castor oil derivative, hydroxyapatite, carbon nanofibers, expanded graphite, ammonium polyphosphate, zinc borate, nano silicon dioxide, molybdenum oxide, microencapsulated red phosphorus, magnesium hydroxide, melamine cyanurate, aluminum diethylphosphinate, pentaerythritol, trihydroxymethyl phosphine oxide and a silane coupling agent. The coating is prepared from a titanate coupling agent, stearic acid, polyethylene glycol, 2, 6-butylated hydroxytoluene, triphenyl phosphite, 2, 4-dihydroxybenzophenone, sebacic diester, polytetrafluoroethylene micro powder, a modified polydimethylsiloxane flatting agent, organic montmorillonite, a polyether modified silicon defoaming agent and a solvent. The invention has the beneficial effects of high flame retardant efficiency, environmental friendliness, excellent comprehensive performance and excellent processability.

The invention discloses a crude phenol continuous refining device and method, the device comprises a crude phenol storage tank, a dehydrating tower, a primary tower, a phenol fraction tower, an o-cresol fraction tower, a m-cresol and p-cresol tower, an extractive distillation tower and a p-cresol fraction tower which are connected in sequence, and the top of each tower is independently connected with a cooler; the method specifically comprises the following steps: (1) discharging phenol water; (2) discharging a heavy fraction; (3) discharging phenol; (4) discharging o-cresol; (5) discharging residual oil at the bottom of the tower; (6) carrying out extractive distillation, and discharging m-cresol; and (7) discharging p-cresol, and recycling the extraction agent. Compared with a traditional continuous rectification process, the method has the advantages that all components are separated by adopting vacuum rectification, the separation degree of the obtained product is higher, the number of theoretical plates and energy consumption are lower, high-purity phenol products are produced with low energy consumption, low cost and high efficiency, and economic benefits and environmental benefits are greatly improved.

The invention provides a p-cresol oxidation catalyst and a preparation method thereof. The preparation method comprises the following steps: S1, adding a first active metal source, a second active metal source and a carrier source into water to obtain a first solution; s2, adding a precipitator into water to obtain a second solution; s3, mixing the first solution with the second solution to obtain a third solution with the pH value of 9-10; s4, carrying out hydrothermal reaction on the third solution at 100-140 DEG C to obtain a first product; s5, sequentially washing, drying and calcining the first product to obtain the p-cresol oxidation catalyst, the first active metal source is a cobalt source and a copper source, the second active metal source comprises a cerium source, and the carrier source is an aluminum source. The p-cresol oxidation catalyst with high activity and selectivity is prepared by accurately controlling the conditions of the hydrothermal reaction and the proportion of each active metal source and simultaneously forming the carrier in situ in the reaction and generation process of the catalyst.

The invention provides a method for detecting an antioxidant in a food contact plastic material or a product thereof and application of the method. The detection method comprises the following steps: mixing a sample to be detected with an organic solvent, filtering, taking filtrate, carrying out gas chromatography-mass spectrometry detection, and calculating the content of the antioxidant in the sample to be detected according to a detection result, the antioxidant comprises any one or a combination of at least two of 2, 4-bis [(dodecylthio) methyl]-6-methylphenol, 2, 6-di-tert-butyl-4-ethylphenol or 2, 2 '-methylenebis [6-(1-methylcyclohexyl)-p-cresol]. The detection method provided by the invention is simple to operate, low in detection limit and quantitation limit, high in accuracy and excellent in repeatability and reproducibility, and can effectively and accurately detect the three phenolic antioxidants at the same time.

The present invention discloses a lubricating oil additive for a flexible fuel engine, which comprises the following raw materials: overbased calcium alkyl salicylate, overbased sulfurized calcium alkylphenate, 4-pyridine ethylpropylene polymer, alkyl diphenylamine, 2,6-di-tert-butyl a-dimethylamino-p-cresol, and nano boron nitride BNNS. The present invention also discloses a lubricating oil composition for a flexible fuel engine, which comprises the above-mentioned lubricating oil additive for a flexible fuel engine, and further comprises an emulsifier and a base oil. The present invention can solve the key problem that a large amount of water is generated during the work combustion process of a flexible fuel engine, resulting in hydrolysis of dispersants, friction reducers and anti-wear agents in engine oil, damage to the molecular structure and loss of lubricating function. At the same time, it also solves the technical problem of difficult low-temperature cold start of a flexible fuel engine caused by water.

The invention relates to the technical field of chemical product separation equipment, and particularly discloses a reaction crystallizer for separating and refining m-cresol and p-cresol and a crystallization method. A sealing box; a filter screen; a tapered tube; and a discharge pipe. The mother liquor drives p-cresol crystals to be sprayed out from the spraying pipe, the sprayed p-cresol crystals impact the filter screen, so that the p-cresol crystals are scattered and broken, an m-cresol solution wrapped in the crystals is splashed out at the moment to be separated from the crystals, and the splashed m-cresol solution is discharged through the filter screen. Therefore, the m-cresol solution can be effectively prevented from being wrapped in the p-cresol crystal, so that the purity of the m-cresol and the p-cresol after separation is effectively prevented from being reduced.

The invention relates to the technical field of catalytic material synthesis, and discloses a preparation method of a modified tin-titanium-silicon molecular sieve catalyst, which comprises the following steps: S1, mixing a silicon source, a titanium source, a tin source, an alkali source, a template agent, a surfactant and water to obtain a first mixture; s2, performing hydrothermal reaction on the first mixture in the step S1, and washing, drying and roasting an obtained second mixture to obtain tin-titanium-silicon molecular sieve powder; and S3, mixing and contacting the tin-titanium-silicon molecular sieve powder obtained in the step S2 with an organic solution of organosiloxane, and then drying to obtain the modified tin-titanium-silicon molecular sieve catalyst. According to the modified tin-titanium-silicon molecular sieve catalyst provided by the invention, a catalytic activity center is mainly positioned in a molecular sieve pore channel, and when the catalyst is used for catalyzing a reaction for preparing cresol through toluene hydroxylation, effective shape-selective catalysis can be realized, so that the selectivity of o-cresol and p-cresol can be improved, and particularly the selectivity of the o-cresol can be improved.

The present invention relates to a sunscreen or daily care composition comprising(i) bis-ethylhexyloxyphenol methoxyphenyl triazine (bemotrizinol),(ii) 1-(4-(1,1-dimethylethyl)phenyl)-3-(4-methoxyphenyl)propane-1,3-dione (avobenzone),(iii) a water-soluble organic UV filter,(iv) a compound selected from the group consisting of benzotriazolyl dodecyl p cresol, ethylhexyl methoxycrylene, polyester-8, diethylhexyl syringylidenemalonate, trimethoxybenzylidene pentanedione, diethylhexyl 2,6-naphthalate, bis(cyano butylacetate) anthracenediylidene, polyester-25, butyloctyl salicylate and combinations thereof.

The present invention discloses a continuous refining device and method for crude phenol, the device comprises a crude phenol storage tank, a dehydration tower, a primary distillation tower, a phenol fraction tower, an o-cresol fraction tower, a m-cresol tower, an extractive distillation tower and a p-cresol fraction tower connected in sequence, and the top of each tower is individually connected to a cooler; the method specifically comprises the following steps: (1) discharging phenol water; (2) discharging heavy fractions; (3) discharging phenol; (4) discharging o-cresol; (5) discharging residual oil at the bottom of the tower; (6) extractive distillation, discharging m-cresol; (7) discharging p-cresol, and recycling the extractant. Compared with the traditional continuous distillation process, the present invention uses vacuum distillation to separate the components, and the obtained product separation degree is higher, and the theoretical plate number and energy consumption are less, so that high-purity phenol products can be produced with low energy consumption, low cost and high efficiency, which greatly improves the economic and environmental benefits.

The utility model relates to a process device for hydrocarbonylation reaction of m-cresol and p-cresol under catalysis of solid acid. An outlet of a premixing tank is communicated with a first centrifugal pump and then is communicated with the lower part of a reactor; a gas outlet of the first steel cylinder is communicated with the reactor; the lower part of the reactor is sequentially communicated with a second centrifugal pump and a liquid storage tank. The premixing tank is used for pre-stirring and mixing an m-cresol solution and a solid acid catalyst to form reaction slurry; the first centrifugal pump is used for introducing reaction slurry into the reactor; the high-pressure isobutene liquid in the first steel cylinder is depressurized into gas and then enters the reactor; cresol, a solid acid catalyst and isobutene are mixed in the reactor at a set temperature for a catalytic alkylation reaction; the second centrifugal pump is used for extracting the completely reacted alkylation mixed product out of the reactor, the alkylation mixed product is stored in the liquid storage tank, and the solid acid catalyst is left to stand and settled, so that in-situ separation of a liquid-phase product and a solid-phase catalyst is realized.

The invention discloses a method for extracting o-isopropyl phenol and 2-ethyl-6-cresol, which comprises the following steps: adding a 2, 4 / 2, 5-xylenol mixture containing o-isopropyl phenol and 2-ethyl-6-cresol, a catalyst and diisobutylene into a reactor for reaction; the method comprises the following steps of: sampling and analyzing to be qualified, filtering, carrying out low-vacuum reduced pressure distillation on filtrate to obtain diisobutylene and the previous component for mechanical application, and then carrying out improved vacuum reduced pressure distillation to sequentially obtain 99% of 2, 5-xylenol, 99% of 6-isooctyl-2, 4-xylenol and 99% of 4-isooctyl-2-ethyl-6-cresol and a kettle residue of 4, 6-diisooctyl-2-isopropyl phenol; the method comprises the following steps: respectively decomposing 2, 4-isooctyl-2-ethyl-6-cresol and 4, 6-di-tert-butyl-2-isopropyl phenol under the catalysis of acid to obtain crude 2-ethyl-6-cresol and o-isopropyl phenol, mechanically applying corresponding diisobutylene obtained by decomposition to next reaction, and rectifying again to obtain 99% 2-ethyl-6-cresol and o-isopropyl phenol; the 2, 4 / 2, 5-xylenol contains cresol, m-p-cresol, m-p-ethyl phenol and other cresol, so that the influence on separation and extraction of o-isopropyl phenol and the like is small, and the process practicability is high.

The invention discloses a method for separating m-cresol and p-cresol, which is characterized in that a bis (dipropoxy) pillar [5] arene crystal material and / or an adsorption material loaded with bis (dipropoxy) pillar [5] arene are / is used as an adsorbent to selectively adsorb m-cresol in a mixture of the m-cresol and the p-cresol so as to realize the separation of the m-cresol and the p-cresol; the chemical structural formula of the bis (dipropoxy) pillar [5] arene is as follows: # imgabs0 #. The separation process of the invention is simple to operate and low in equipment requirement; rectification operation is not needed in the separation process, energy consumption is low, energy is saved, and the production cost is reduced; the used crystal material is high in stability and can be recycled, and the separation effect cannot be reduced; a lot of organic solvents, strong acids and strong alkalis are not used, and the green chemistry concept is met.

The disclosure relates to a method for producing a propylene polymer composition, comprising melt processing a propylene polymer in the presence of a composition comprising at least one hydrogen donor comprising a di-substituted p-cresol derivative, at least one peroxide comprising a peroxydicarbonate, and at least one polymer additive comprising at least one antioxidant distinct from the at least one hydrogen donor The melt processing is performed under inert conditions. The disclosure further relates to embodiments of propylene polymer compositions.

The invention belongs to the technical field of coalification and synthesis and separation of organic products, and particularly relates to a method for separating a m-cresol / p-cresol / o-ethyl phenol mixture and producing a byproduct 2, 4-xylenol. The method comprises the following steps: carrying out fixed bed catalytic methylation reaction on a m-cresol and p-cresol mixture raw material with high o-ethyl phenol content and methanol, rectifying methylation reactants to obtain 2, 4, 6-tricresol and a mixture of 2, 3, 6-tricresol and 2-ethyl-4, 6-xylenol, and carrying out catalytic deethylation reaction on the 2, 4, 6-tricresol and the mixture of 2, 3, 6-tricresol and 2-ethyl-4, 6-xylenol to obtain the 2, 4, 6-tricresol. The method comprises the following steps of: adding a mixture of 3, 4-xylenol, 2, 4, 6-tricresol and 2, 3, 6-tricresol, and rectifying again to obtain 2, 4-xylenol, 2, 4, 6-tricresol and 2, 3, 6-tricresol, so that the application field of m-cresol and p-cresol is expanded, and the separation of m-cresol and p-cresol with high ethyl phenol content extracted from tar phenol is realized.

The invention discloses a method for preparing m-cresol, p-cresol and m-cresol phenolic resin by using crude phenol refining residues. According to the method, an acidic silicon-aluminum oxide solid catalyst and a zirconium phosphate system are adopted, long alkyl groups such as ethyl groups on aromatic rings in a 3, 4-methyl ethyl phenol mixture are removed, methyl groups are reserved, phenol containing the long alkyl groups is converted into simple cresol, phenol and the like, and then vacuum distillation treatment is performed to obtain phenol, m-p-cresol and 2, 3, 5-tricresol; further reacting the mixed phenol obtained by rectification with aldehydes to obtain modified m-cresol-formaldehyde resin products such as p-cresol, 2, 3, 5-tricresol and the like; complex raw materials are converted into simple products with clear targets through the cracking reaction, sulfur and nitrogen impurities in most of the raw materials are removed by utilizing an acid environment in the cracking process, an additional refining step is omitted, and the grades of all subsequent products are improved. According to the method, the limitation of traditional rectification is broken through, the difficulty of physical separation is simplified through a chemical means, the phenol and the phenolic resin are co-produced, and the added value of the product is improved.

This invention belongs to the field of polymer materials and relates to a method for preparing a multifunctional emulsion antioxidant and its application, specifically to an emulsion antioxidant that also absorbs ultraviolet light and its application. A multifunctional emulsion-type antioxidant comprises the following components: a phenolic primary antioxidant, wherein the phenolic primary antioxidant comprises a mixture of p-cresol and dicyclopentadiene copolymer (TH-CPL) and triethylene glycol bis[β-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionate] (antioxidant 245); a thioester secondary antioxidant; a UV absorber; a light stabilizer; a nonionic surfactant; and deionized water; wherein the UV absorber is N-(ethoxycarbonylphenyl)-N'-methyl-N'-phenylformamidinium (UV-1), and the light stabilizer is a mixture of bis(1,2,2,6,6-pentamethyl-4-piperidine) sebacate and 1-methyl-8-(1,2,2,6,6-pentamethyl-4-piperidine) sebacate (292).

The present invention relates to a sunscreen or daily care composition comprising butyl methoxydibenzoylmethane, at least one UV filter selected from triazine derivatives, at least one light stabilizer selected from butyl octanol salicylate, benzotriazolyl dodecyl p-cresol, ethylhexyl methoxypropylene, polyester-8, diethylhexyl syringylidenemalonate, trimethoxybenzylidene pentanedione, diethylhexyl 2,6-naphthalene dicarboxylate, condensed ring cyanoacrylate derivatives and polyester-25, wherein the composition does not contain octocrylene and ethylhexyl methoxycinnamate.

The invention discloses a continuous treatment system and method for low-temperature small cresol in coal gasification, and relates to the technical field of treatment systems, and the continuous treatment system comprises an alkali washing unit, an oxidation deodorization unit, a decoloration deodorization unit, an anti-oxidation unit, a rectification unit and an improvement unit. According to the continuous treatment system and method for the medium-low-temperature small cresol in coal gasification, through cooperative arrangement of the alkali washing unit, the oxidation deodorization unit, the decoloration and deodorization unit, the anti-oxidation unit, the rectification unit and the improvement unit, the effects of desulfurization, denitrification, decoloration, deodorization, organic matter removal and anti-oxidation on the medium-low-temperature small cresol in coal gasification can be achieved; the quality of phenol, o-cresol, m-cresol, p-cresol and xylenol products separated from medium and low temperature small cresol is greatly improved, the product quality is ensured, meanwhile, the stability of the products in the coal gasification medium and low temperature small cresol refining process is changed, and the oxidation resistance is improved.

The invention relates to an energy-saving process system and method for separating refined phenol from tar crude phenol, and belongs to the field of tar crude phenol refining. The system comprises a separation process system and an energy-saving thermal circulation loop system, the separation process system comprises a first tower, a second tower, a third tower, a fourth tower, a fifth tower and matched cold exchange equipment, and the energy-saving thermal circulation loop system comprises a compressor, a throttle valve, a buffer tank and matched cold exchange equipment. The method comprises the following steps: removing water and light components, removing slag phenol, refining phenol, o-cresol, m-cresol and p-cresol, separating areas in the tower to improve the product purity, and converting low-grade waste heat into a high-grade heat source by using a compressor to replace traditional heating media and refrigerants, so that the aim of saving energy is fulfilled. According to the process system and the method, the tar crude phenol is separated and refined into high-purity phenol, o-cresol and m-cresol and p-cresol products, meanwhile, the purposes of saving energy and reducing consumption are achieved, and the process system and the method have important significance.

The invention discloses a method for extracting and separating phenolic pollutants in semi-coke wastewater by using a hydrophobic deep-eutectic solvent based on menthol, and belongs to the technical field of wastewater treatment. According to the method, a hydrogen bond acceptor (such as DL-menthol) and a hydrogen bond donor (such as n-hexanoic acid, octanoic acid, capric acid, nonanoic acid or thymol) are utilized to form hydrogen bonds, and a hydrophobic deep-eutectic solvent with good fluidity is formed. By controlling the molar ratio of the hydrogen bond acceptor to the hydrogen bond donor, the hydrophilicity of the solvent can be adjusted, and the extraction requirements of different phenolic substances can be met. The hydrophobic deep-eutectic solvent prepared by the method has good thermal stability and can be kept stable at lower and higher temperatures. In addition, the eutectic solvent can be used for extracting and separating phenolic pollutants such as p-cresol in semi-coke wastewater. The whole operation process is simple, convenient and rapid, the extraction efficiency is high, and secondary pollution is avoided.

The present invention discloses a method for producing methylphenol by gas-phase alkylation of phenol and methanol in a fixed-bed adiabatic reactor. Phenol and methanol are separately vaporized, mixed in a certain mass ratio, and then introduced into a fixed-bed adiabatic reactor containing a catalyst. The phenol and methanol undergo a gas-phase alkylation reaction to produce o-cresol, m-cresol, p-cresol, and some xylenols. By controlling the mass ratio of phenol and methanol, the purpose of controlling the adiabatic temperature rise is achieved. The products generated by the reaction are subjected to rectification and separation to obtain a mixture of o-cresol, m-cresol, and p-cresol, as well as products such as xylenol. Compared with the existing technology, the method for producing methylphenol by gas-phase alkylation of phenol and methanol in a fixed-bed adiabatic reactor provided by the present invention has the advantages of a simple reaction process, high catalyst loading efficiency, and no addition of inert circulating materials. It also achieves the advantages of reducing equipment investment, energy consumption, and wastewater.

The present invention provides a p-cresol oxidation catalyst and a preparation method thereof. The preparation method comprises: step S1, adding a first active metal source, a second active metal source and a carrier source into water to obtain a first solution; step S2, adding a precipitant into water to obtain a second solution; step S3, mixing the first solution with the second solution to obtain a third solution with a pH of 9 to 10; step S4, subjecting the third solution to a hydrothermal reaction at 100°C to 140°C to obtain a first product; step S5, sequentially washing, drying and calcining the first product to obtain a p-cresol oxidation catalyst; the first active metal source is a cobalt source and a copper source, the second active metal source includes a cerium source, and the carrier source is an aluminum source. The present invention prepares a p-cresol oxidation catalyst with high activity and selectivity by precisely controlling the conditions of the hydrothermal reaction and the ratio of each active metal source, and simultaneously forming a carrier in situ during the reaction generation process of the catalyst.

The invention relates to a skin external preparation composition and application. The skin external preparation composition is prepared from natural colored grease, benzotriazolyl dodecyl p-cresol and glucosylrutin, the mass ratio of the benzotriazolyl dodecyl p-cresol to the glucosylrutin is 1 to (0.2 to 4); the mass percent of the benzotriazolyl dodecyl p-cresol in the skin external preparation composition is greater than or equal to 0.005%; the mass percent of the glucosylrutin in the skin external preparation composition is greater than or equal to 0.01%. The skin external preparation composition can effectively improve the light stability of natural colored grease.

The application provides a preparation method of 2,6-di-tert-butyl-p-cresol, which comprises the following steps: adding p-cresol and a catalyst into a reactor, heating in a constant-temperature water bath to mix the p-cresol and the catalyst sufficiently, and introducing isobutene into the system to prepare 2,6-di-tert-butyl-p-cresol through catalytic alkylation; wherein the catalyst is an ionic liquid complex composed of an ionic liquid ligand and a metal salt ligand. The method of the application uses the ionic liquid complex composed of the ionic liquid ligand and the metal salt ligand as the catalyst, so that the process reaction condition is more moderate, the process complexity and the production cost are reduced, and meanwhile, the p-cresol has a high conversion rate, the reaction has a high yield, and the demand of industrial production is met.

The invention discloses a positive panel photoresist and a photoetching process, and belongs to the technical field of photoetching. The photoresist comprises linear phenolic resin, a diazo photosensitizer, an additive and a solvent, the weight-average molecular weight of the linear phenolic resin is 3000-12000, and the linear phenolic resin comprises A-type phenolic resin and / or B-type phenolic resin; groups participating in polycondensation in the A-type phenolic resin comprise at least one of p-cresol groups and m-cresol groups, 2, 5-xylenol groups and 3, 5-xylenol groups, the molar percentage of the 2, 5-xylenol groups is greater than 0 and less than or equal to 50%, and the molar percentage of the 3, 5-xylenol groups is greater than 0 and less than or equal to 50%; the groups participating in polycondensation in the B-type phenolic resin comprise p-cresol groups and m-cresol groups. The photoresist has excellent corrosion resistance and adhesiveness at the same time.

To provide a cat pseudo-feces odor composition having odor similar to the odor derived from cat feces.SOLUTION: A cat pseudo-feces odor composition contains linalool. The pseudo-feces odor composition also contains: one or more acids to be selected from a group consisting of propionic acid, isobutyric acid, isovaleric acid, and hexanoic acid; one or more solid constituents to be selected from a group consisting of p-cresol and indole; and one or more additional acids to be selected from a group consisting of acetic acid, butyric acid, and valeric acid.SELECTED DRAWING: None

The objective is to provide a beverage with enhanced fruity, juicy flavor and spicy, complex flavor, a method for manufacturing the beverage, and a method for improving the flavor of the beverage. [Solution] The beverage according to the present invention contains sotolon and p-cresol. The beverage according to the present invention also contains ethanol. The sotolon content of the beverage according to the present invention is 0.25 to 8.00 ppm. The p-cresol content of the beverage according to the present invention is 0.01 to 1.00 ppm. The acidity of the beverage according to the present invention is 0.20 g / 100 mL or more.

To provide an animal repellent and an animal repelling method that exhibit a rapid repelling effect against animals and a high sustained repelling effect without olfactory habituation.SOLUTION: The animal repellent contains phenols, such as guaiacol, 3-methoxyphenol, 4-ethylguaiacol, phenol, creosol, o-cresol, m-cresol, and p-cresol as active ingredients.SELECTED DRAWING: Figure 1

The invention discloses an acidic mesoporous resin for catalyzing alkylation of p-cresol and a preparation method and application thereof, the preparation method comprises the following steps: S1, stirring divinyl benzene, azobisisobutyronitrile, tetrahydrofuran and water at room temperature to obtain a mixture; s2, the mixture is subjected to hydrothermal treatment in a hydrothermal kettle, a solvent is evaporated out through normal-temperature volatilization, and a mesoporous polydivinylbenzene material is obtained; and S3, carrying out sulfonation treatment on the polydivinylbenzene mesoporous material to obtain the acidic mesoporous resin grafted with the sulfonic acid group. The alkylated acidic organic mesoporous polymer catalyst with specific specific surface area and sulfur content is formed by taking polydivinylbenzene as a carrier and grafting a sulfonic acid group on the carrier, so that the alkylated acidic organic mesoporous polymer catalyst not only has excellent catalytic activity and selectivity, but also is easy to separate from a product and can be repeatedly used, and the production cost is greatly reduced; and the preparation process is simple, the raw material source is wide, no pollution is caused to the environment and equipment, and the industrial application value is relatively high.