75 results about "M-Xylene" patented technology

The invention discloses a preparation method of a tin oxide-based nanofiber gas sensor array, a temperature regulation and control method and application of the tin oxide-based nanofiber gas sensor array. Firstly, different tin oxide-based nanofiber gas sensors are controllably prepared, and the gas sensing performance is optimized by adopting a temperature modulation technology; and finally, 11 VOCs (n-propanol, n-butanol, ethanol, triethylamine, formaldehyde, acetone, diethyl ether, benzene, toluene, ethylbenzene and m-xylene) gases are identified. According to the dynamic temperature control, the surface adsorption and desorption processes can be obviously influenced by changing the working temperatures of different metal oxide nanofiber sensors, so that the selective recognition of different gas molecules is realized. Besides, by reasonably designing the composition of the sensor array and a temperature control strategy, the characteristic information of different gas molecules can be effectively distinguished, and the accuracy and reliability of gas recognition are further improved.

The present invention relates to a two-component (2K) curable composition comprising: a first component comprising: a) at least one epoxy resin; and a second component comprising: b) a mixture of polyamines wherein each polyamine has at least two amine hydrogens reactive towards epoxy groups, the mixture comprising: b) i) m-xylenediamine (MXDA); and b) ii) at least one cycloaliphatic primary diamine; and / or b) iii) at least one aliphatic primary diamine compound, said compound further comprising one or more secondary amine groups; and c) at least one phenolic resin obtained by reacting at least one phenolic compound with at least one aldehyde having the general formula Ra-(CHO) b in which: Ra is H, a C1-C18 alkyl group, a C2-C18 alkenyl group, a C6-C18 aryl group, a C7-C18 alkylaryl group, or a C7-C18 aralkyl group; and b is 1 or 2 wherein the curable composition is characterized in that the stoichiometric ratio of the amine hydrogen atoms of the second component to the epoxy groups of the first component (a) is from 0.5: 1 to 1.2: 1, preferably from 0.8: 1 to 1.0: 1.

The invention belongs to the technical field of chromatographic separation materials, and discloses a preparation method and application of a GM-8 nanosheet material. The preparation method of the material comprises the following steps: respectively dissolving Cu (NO3) 2.3 H2O and 1, 3, 6, 8-tetra (4-carboxybenzene) pyrene in an organic solvent, mixing, transferring into a reaction bottle, adding trifluoroacetic acid and pyridine, and uniformly mixing and stirring to obtain a reaction mixture; and heating the reaction mixture to react for 7-9 hours to obtain a blue precipitate, cooling the blue precipitate to room temperature, and washing and drying the blue precipitate to obtain the ultra-stable microporous GM-8 nanosheet material. The nanosheet GM-8 is used as a gas chromatography stationary phase, high-efficiency separation and trace detection of xylene isomers can be realized, and the chromatographic column still keeps excellent separation capacity after being stored in an environment with air humidity of 65-90% for 31 months. The capillary gas chromatographic column can realize high-efficiency separation of disubstituted benzene isomers such as xylene, the separation degree of m-xylene / p-xylene is up to 18.2, and a new solution is provided for high-efficiency separation of isomers with similar properties.

The invention provides totally-closed connecting paint for a ship body below a ship waterline and a preparation method of the totally-closed connecting paint. The method comprises the following steps: A1, mixing glass fibers and a base material; a2, hydroxyethyl cellulose ether, propylene glycol, n-butyl alcohol and m-xylene are added; a3, adding titanium dioxide and iron oxide red; a4, adding the silicon resin emulsion and the common emulsion; a5, adding the polydimethylsiloxane and the thickening agent; and A6, finally adding the defoaming agent. And each step has a specific proportion and a specific mixing condition, so that the quality and the performance of the coating are ensured. The totally-closed connecting paint can reduce chemical corrosion and electrochemical corrosion of a ship body and prolong the service life of a ship.

The invention discloses a covalent organic framework material for directly capturing carbon dioxide in air and coupling solar photo-thermal rapid desorption and a preparation method of the covalent organic framework material, and belongs to the field of materials. According to the material, piperazine with secondary amine sites and dialdehyde derivatives are used as raw materials, dioxane and mesitylene, m-xylene and mesitylene or o-xylene and mesitylene are used as solvents, and solvothermal reaction is performed; and after the reaction is finished, sequentially carrying out suction filtration and washing by using DMF and THF, carrying out Soxhlet extraction for 24 hours, and then carrying out vacuum drying to obtain the covalent organic framework. The aldehyde and the secondary amine are condensed according to the proportion of 1: 2, and the secondary amine site of the raw material piperazine is converted into the tertiary amine site in the covalent organic framework through aminal reaction. Tertiary amine nitrogen atoms can specifically recognize carbon dioxide in air and perform chemical adsorption, and firm covalent bonds can ensure the stability of a covalent organic framework, so that efficient air carbon dioxide capture is realized. In addition, ionic bonds formed by the covalent organic framework and carbon dioxide are also beneficial to coupling solar photo-thermal low-energy-consumption desorption.

The invention provides a synthesis method of 1, 5-dibromo-3-fluoro-2, 4-xylene, and belongs to the field of synthesis of fine chemical intermediates. According to the method, 2-fluorine-m-xylene is taken as a starting raw material, and 1, 5-dibromo-3-fluoro-2, 4-xylene is obtained through two steps of bromination and reduction. According to the synthesis method, the problem that accurate bromination positioning cannot be realized is solved by optimizing reaction raw materials and operation steps, so that the purity and yield of the product are greatly improved. The synthesis method is simple and stable, and has great industrial production value.

A polyamide molding composition (C) is provided and comprises at least one polyamide (P1) comprising recurring units (RPA) according to formula (I):Wherein n varies between 4 and 18, inclusive, and R1 is a mixture of m-xylylene (MX) and p-xylylene (PX) in a mol.% ratio varying between 1:99 and 99:1. The polyamide molding composition (C) further comprises at least one polymer (P2). The weight ratio of P1 / P2 varies between 15 / 1 and 1 / 1 and polymer (P2) comprises recurring units (RPA2) according to formula (V):Wherein m varies between 6 and 18 and R1 is p-xylylene (PX). The polyamide molding compositing (C) optionally comprises at least one reinforcing agent, and / or at least one component selected from the group consisting of tougheners, plasticizers, colorants, pigments, antistatic agents, dyes, lubricants, thermal stabilizers, light stabilizers, flame retardants, nucleating agents and antioxidants.

The invention discloses a hierarchical pore EUO molecular sieve as well as a preparation method and application thereof. The morphology of the hierarchical pore EUO molecular sieve is fusiform; the catalyst has micropores and mesopores; the pore volume of the micropores is 0.12 to 0.15 cm < 3 > / g; and the pore volume of the mesopores is 0.14-0.25 cm < 3 > / g. According to the synthetic route, the hierarchical pore EUO molecular sieve with high crystallinity is prepared by a one-step hydrothermal crystallization method through optimization of the ratio of a silicon-aluminum source to a synthetic system and addition of seed crystals. The EUO molecular sieve provided by the invention has a relatively large mesoporous volume, so that the EUO molecular sieve has excellent diffusion performance, and has excellent reaction stability in an isomerization reaction of m-xylene.

The present invention aims to provide a carbon dioxide absorbent that can efficiently absorb, fix, and simply separate and recover carbon dioxide in the air. The present invention relates to an atmospheric carbon dioxide absorbent consisting of an amine selected from the group consisting of m-xylylene diamine, benzylamine, phenethylamine, p-methoxybenzylamine, and p-trifluoromethylbenzylamine, and water, and having the amine content of 1 to 50 wt % with respect to the total amount. The present invention also relates to a method for generating carbon dioxide which uses the aforementioned carbon dioxide absorbent and is simple and superior in energy efficiency.

The invention discloses skin mucosa maintenance liquid capable of killing fungi and HPV (human papillomavirus) as well as a preparation method and application of the skin mucosa maintenance liquid, and belongs to the technical field of sterilization and virus removal. The skin mucosa maintenance liquid is prepared from octanol ether, benzalkonium bromide, phenoxyethanol, yermate, parachlorometaxylenol, taetinic acid, chitosan, keratinase, fluconazole, glycerol, borneol, menthol, absolute ethyl alcohol and tween-40. Wherein the skin mucosa maintenance liquid has an effect of regulating apoptosis induction on abnormal cells and an effect on vaginal flora, and has an obvious inhibition effect on cervicitis and colpitis mycotica, namely an anti-inflammatory effect; meanwhile, apoptosis of cells containing HPV16 and HPV18 genes can be induced, shedding of abnormal cells is promoted, diseased cells are killed, and vaginal tissues with pathological changes are removed.

The invention provides an ammoxidation catalyst as well as a preparation method and application thereof. The catalyst comprises a carrier and a loaded active component, the active component meets the structural formula V < 1.0 > CraAbBcCdOx by atomic ratio calculation, and the element A is selected from at least one of molybdenum, bismuth, iron, cobalt, nickel and tungsten; the element B is selected from at least one of lithium, sodium, potassium, rubidium and cesium; the C element is selected from at least two of boron, phosphorus, arsenic, tellurium and antimony; a is equal to 0.5-1.8, b is equal to 0.01-2.0, c is equal to 0.001-0.3, d is equal to 0.01-2.0, and x is the sum of the number of oxygen atoms required by valence of other elements in the formula. The catalyst has the problems of low catalyst strength, short service life and low reaction activity when being used for ammoxidation reaction, and can be used for industrial production of m-xylene ammoxidation for preparation of isophthalonitrile catalysts.

The application discloses a kind of fast screening method of solvent residual quantity in food contact packaging material, sample is sent into gas chromatograph by headspace sampler and separates out the gas to be measured, and the gas to be measured is detected using hydrogen flame ion detector, and the chromatogram of sample is obtained;Add mixed standard intermediate liquid of known content in blank matrix to obtain the standard reference sample of the limited concentration to be measured, and the peak area of methyl acetate, benzene, toluene, ethylbenzene, o-xylene, m-xylene, p-xylene is measured respectively;By comparing the sum of the peak area of all detected substances in sample chromatogram with the chromatographic peak area of methyl acetate in standard reference sample, judge whether the total amount of residual solvent meets the limit requirement, and by comparing the peak area of benzene, toluene, ethylbenzene, o-xylene, m-xylene, p-xylene in sample with the peak area of corresponding substance in standard reference sample, judge whether each benzene solvent meets the limit requirement.

The invention belongs to the technical field of water treatment, and particularly relates to a water treatment composite flocculant and a preparation method thereof.The preparation method comprises the steps that in the argon atmosphere, tetrazoleacetic acid, amphoteric polyacrylamide, a pyridine borane complex and m-xylene are mixed and react for 12-48 h at the temperature of 140 DEG C, and tetrazoleacetic acid modified amphoteric polyacrylamide is obtained; adding tetrazoleacetic acid modified amphoteric polyacrylamide into a 2-morpholinoethanesulfonic acid buffer solution, cooling to 4 DEG C in an ice bath, sequentially adding 1-ethyl-(3-dimethylaminopropyl) carbodiimide hydrochloride and N-hydroxysuccinimide into the solution, stirring and activating for 30 minutes in a nitrogen atmosphere, adding the chelate solution into the solution, and reacting to obtain the composite flocculant. The floc formed in the flocculation process of the flocculant shows higher stability under the shearing action of water, the floc is not easy to break, the flocculation effect is better, and the flocculant is convenient to use.

This invention relates to the field of catalyst technology, specifically to a catalyst for the ammoxidation of m-xylene to isophthalonitrile and its preparation method. It includes a support and an active ingredient, wherein the active ingredient has the general structural formula: V 1.0 Cr a X b Y c Z d O e Wherein: X is selected from at least one of B, P, As and Se; Y is selected from at least one of Group VIII transition metals; Z is selected from at least one alkaline earth metal. The catalyst prepared by the present invention is used for the ammoxidation of m-xylene to prepare isophthalonitrile, thereby improving the selectivity and yield of isophthalonitrile.

The invention relates to the field of viscosity-reducing adhesives, and discloses an anti-aging viscosity-reducing adhesive composition and application thereof in an electrified viscosity-reducing adhesive tape, the anti-aging viscosity-reducing adhesive composition comprises modified acrylic resin, tackifying resin, ionic liquid, an ion channel auxiliary agent, an HDI tripolymer, hydroxyl-terminated polybutadiene and ethyl acetate; modified hydroxyethyl acrylate in the modified acrylic resin is prepared by respectively reacting isophorone diisocyanate with a monohydroxy s-triazine derivative and hydroxyethyl acrylate; according to the monohydroxy s-triazine derivative, cyanuric chloride reacts with m-xylene and resorcinol to synthesize a dihydroxy chlorine-containing s-triazine intermediate, then the dihydroxy chlorine-containing s-triazine intermediate and 1, 4-p-xylylene dichloride are subjected to substitution to prepare a reaction product, and the reaction product reacts with p-aminodiphenylamine and 3, 5-di-tert-butyl-4-hydroxybenzylamine at the same time to prepare the monohydroxy s-triazine derivative. The viscosity-reducing glue composition prepared by the invention has good thermal stability, water resistance, high-temperature aging resistance and flame-retardant effect, and can still maintain viscosity reduction after high-temperature, high-humidity and cold and hot impact aging.

The invention discloses a process and a device for preparing m-toluic acid and m-phthalic acid through continuous flow selective oxidation of m-xylene, and the process comprises the following steps: pumping m-xylene and a catalyst solution into a first vertical tubular reactor of a single oxidation reaction module, and introducing oxygen or air to carry out single oxidation reaction; after the reaction is finished, high-purity m-toluic acid is obtained through post-treatment, the yield reaches 93% or above, and the product purity reaches 99%; and switching the outlet of the tubular reactor of the mono-oxidation reaction module to the dual-oxidation reaction module, mixing the reaction liquid after the mono-oxidation reaction is finished with a second stream of catalyst solution, feeding the mixture into a second vertical tubular reactor of the dual-oxidation reaction module for dual-oxidation reaction, and after the reaction is finished, carrying out post-treatment to obtain the product isophthalic acid. The yield reaches 95% or above, and the purity reaches 99% or above; the method is high in reaction controllability, short in reaction retention time, stable in product quality, high in production safety, convenient to operate, high in continuous degree and suitable for industrial production.

The invention relates to a GC-QTOF-MS (Gas Chromatography-Quadrature Time of Flight Mass Spectrometry)-based method for determining the content of volatile benzene series in an electronic cigarette and application of the GC-QTOF-MS-based method. The determination method comprises the following steps: firstly, adding extract liquor into a to-be-detected sample containing the volatile benzene series for extraction, and then carrying out GC-QTOF-MS detection analysis, the volatile benzene series comprises any one or a combination of at least two of benzene, methylbenzene, ethylbenzene, p-xylene, m-xylene, o-xylene, cumene or styrene. The method comprises the following steps: capturing aerosol by using a Cambridge filter, establishing an extraction method for eight volatile benzene series in tobacco tar and aerosol, and carrying out qualitative and quantitative analysis on the eight volatile benzene series by using GC-QTOF-MS and an internal standard method. The method has the advantages of high sensitivity, low detection limit and the like, can meet simultaneous detection and analysis of electronic cigarette tobacco tar and aerosol samples with different concentrations, and can be used for actual supervision and safety evaluation of electronic cigarette products.

The present invention relates to an analytical method for separating and detecting ethylbenzene, intermediate xylene and p-xylene, which adopts reverse phase high performance liquid chromatography, uses octadecyl bonded silica gel as a filler in a chromatographic column, uses water as a mobile phase A, uses methanol as a mobile phase B, and performs gradient elution on ethylbenzene. The method can achieve effective separation of ethylbenzene from meta-xylene and p-xylene, and has high detection sensitivity; at the same time, the method of the present invention has the characteristics of accurate and reliable detection results, and provides a reliable reference method for quality research on detecting ethylbenzene, intermediate xylene and p-xylene.

The invention relates to the technical field of preparation of organic intermediates, in particular to a production process and a production system of m-methylbenzyl chloride, and the production process comprises the following steps: conveying m-xylene to an m-xylene metering tank, standing, pumping into an evaporation kettle, heating until m-xylene is vaporized, introducing into a chlorination tower filled with a composite photocatalyst, introducing liquid chlorine into the chlorination tower after liquid chlorine is vaporized, the method comprises the following steps: in a micro-negative pressure environment, carrying out chlorination reaction with m-xylene gas under the catalysis of visible light to obtain a crude benzyl feed liquid containing m-methylbenzyl chloride and a byproduct m-dichlorobenzyl and tail gas, enabling the crude benzyl feed liquid to flow into a rectifying kettle and enter a rectifying section to be rectified to obtain a finished product m-methylbenzyl chloride, and enabling the tail gas to enter a hydrogen chloride absorption section to be treated. The product prepared by the production process disclosed by the invention has higher purity and weight yield, and meanwhile, the cost of raw materials is lower, so that the method is suitable for industrial production and has more economic benefits.

The invention relates to a C8 aromatic hydrocarbon complexing extraction-crystallization integrated efficient separation method, which comprises the following steps: carrying out complexing extraction reaction on a C8 aromatic hydrocarbon raw material and an extraction agent to obtain an extraction phase and a raffinate phase; heating and decomposing the extraction phase to obtain a high-purity MX product and an extraction agent; and taking the raffinate phase, stirring and cooling to 2.3 DEG C to obtain a solid-liquid mixture of PX-rich crystals, OX and ethylbenzene, continuously cooling to-34.9 DEG C to obtain a solid-liquid mixture of PX-OX eutectic and ethylbenzene, and then carrying out centrifugal separation to obtain a PX-OX-rich eutectic product and a high-purity ethylbenzene product. A C8 aromatic hydrocarbon complex extraction-crystallization integrated efficient separation system comprises a reactor, a separator, a crystallizer and a centrifugal machine. According to the separation method, through integration of a complexing extraction method and a crystallization method, the purity and yield of products such as m-xylene and ethylbenzene are improved, the energy consumption of a traditional crystallizer is reduced, and the treatment capacity and efficiency of equipment are improved.

This invention belongs to the field of water treatment technology, specifically relating to a composite flocculant for water treatment and its preparation method. Under an argon atmosphere, tetrazolium acetic acid, amphoteric polyacrylamide, pyridine borane complex, and m-xylene are mixed and reacted at 140°C for 12-48 hours to obtain tetrazolium acetic acid-modified amphoteric polyacrylamide. The tetrazolium acetic acid-modified amphoteric polyacrylamide is added to a 2-morpholine ethanesulfonic acid buffer solution, cooled to 4°C in an ice bath, and then 1-ethyl-(3-dimethylaminopropyl)carbodiimide hydrochloride and N-hydroxysuccinimide are added sequentially. The mixture is stirred and activated under a nitrogen atmosphere for 30 minutes, and then a chelate solution is added to obtain the composite flocculant. The flocs formed during the flocculation process of this invention exhibit higher stability under the shearing action of water, are less prone to breakage, and provide better flocculation and ease of use.

The invention provides a shape memory cyanate ester composite material as well as a preparation method and application thereof, and relates to a shape memory material. The invention provides a preparation method of a shape memory cyanate ester composite material, which comprises the following steps: thermally mixing cyanate ester, a monomer with a flexible molecular chain segment and an organic solvent, and curing to obtain the shape memory cyanate ester composite material, the organic solvent is prepared from one or more of N, N-dimethylacetamide, acetonitrile, propionitrile, methylbenzene, dimethyl sulfoxide, pyridine, p-xylene, o-xylene, m-xylene, ethyl acetate and N-methyl pyrrolidone; the ratio of the mass of the cyanate ester to the volume of the organic solvent is 1g: (0.1-0.8) mL. The organic solvent is adopted for toughening, the toughness and durability of the shape memory cyanate ester composite material can be remarkably improved on the basis of ensuring the shape memory characteristic, and the toughening method is simple and wide in application range.

The application discloses a kind of twin ZSM-5 molecular sieve and synthesis method thereof, belong to inorganic chemistry technical field.The twin ZSM-5 molecular sieve is covered by the (010) crystal surface of one coffin-shaped ZSM-5 to the (100) crystal surface of another coffin-shaped ZSM-5, so that the molecular sieve surface has higher straight channel exposure ratio.Preparation process includes: (i) water, sodium hydroxide, aluminum source, template agent, silicon source are mixed and stirred to obtain synthesis gel A;(ii) three kinds of molecular sieves MCM-35, MOR, MCM-22 are added to alkaline environment according to the ratio of 1:2:4, and alkaline heat treatment is carried out to obtain mixture B containing "mfi, mor, mel" three kinds of structural units;(iii) A, B are mixed according to the water content of 1:1, and ZSM-5 molecular sieve product is obtained by hydrothermal crystallization.For the "primary aromatic hydrocarbon mixture" obtained after benzene, toluene, p-xylene are separated from the aromatic hydrocarbon mixture obtained by petroleum and non-petroleum route, twin ZSM-5 molecular sieve shows enhanced selectivity to o-xylene and m-xylene due to higher "straight channel exposure ratio" on the surface.

The invention belongs to the technical field of organic mixture separation, and particularly discloses a production process for cutting and purifying DCPD (dicyclopentadiene) by cracking a C9 raw material. A cracking C9 raw material is fed into a light component removal cutting tower (QL), light components such as ethylbenzene, m-xylene, o-xylene and styrene with the boiling point lower than 160 DEG C are separated out from the tower top, a mixture containing a target product and distilled out from a tower kettle is fed into a heavy component removal cutting tower (QH), components with the boiling point higher than 180 DEG C are separated out from the tower kettle, and a DCPD-rich product with high purity and yield is obtained from the tower top. Based on systematic research on boiling point difference of cracked C9 components, the invention provides a technical scheme of combining step-by-step rectification and cutting with directional separation, and aims to realize efficient enrichment of DCPD with low energy consumption and short process and provide a new path for high-valued utilization of cracked C9 raw materials.

The present application relates to a kind of preparation method of isophthalic acid, belong to organic synthesis and fine chemical technology field.The method uses m-xylene as raw material, air as oxidant, under the condition of no additional solvent, using the catalyst containing cobalt, manganese, chromium compound carries out catalytic oxidation reaction.After reaction, it is obtained isophthalic acid by cooling, filtering, washing and drying.The present application uses halogen-free cobalt-manganese-chromium catalyst system and cancels solvent, fundamentally solves the problem of serious corrosion of traditional process equipment, large pollution of acid-containing wastewater containing bromine, while having the advantages of mild condition, simple process, high atom economy and material closed loop can be realized, provides a cleaner, safer, more economical isophthalic acid production path.

Disclosed are methods and systems for quantitation of benzene, toluene, ethyl benzene, o-xylene, m-xylene, and p-xylene in aromatics recovery complexes. High-performance liquid chromatography using a carbon stationary phase and a gradient mobile phase is performed. The carbon stationary phase can be a porous graphitic carbon stationary phase. The mobile phase includes an organic acid in water and an alcohol. The organic acid can include formic acid, and the alcohol can include methanol. The methods and systems achieve a resolution between xylene isomer peaks of greater than 2.0 when sampling industrial process streams in aromatic recovery complexes.

A feed mixture comprising one or more xylene isomers and C9+ aromatic hydrocarbons may be separated in a first distillation column to obtain a first overhead stream comprising m-xylene and / or p-xylene and a first bottoms stream comprising o-xylene and C9+ aromatic hydrocarbons. The first bottoms stream may be optionally isomerized through liquid-phase isomerization and fed to a second distillation column to obtain a second overhead stream comprising at least o-xylene and a second bottoms stream comprising C9+ aromatic hydrocarbons. The second overhead stream may be optionally isomerized through liquid-phase isomerization. Liquid-phase isomerization may occur upon at least one of the first bottoms stream, the second overhead stream, an optional side stream obtained from the first or second distillation columns, or within the first or second distillation columns, such that the second overhead stream or an isomerized second overhead stream is rich in p-xylene.

The invention relates to a method for rapidly determining the content of benzene series in natural gas based on gas chromatography and application of the method. The method comprises the following steps: preparing chromatographic conditions; preparing a standard substance; and determining the content by adopting a gas chromatographic method. The method provided by the invention can be used for high-resolution detection and identification of benzene series in natural gas, and greatly shortens the analysis and detection time. According to the method, the analysis time does not exceed 15 minutes, the separation degree of p-xylene and m-xylene is high, and the analysis efficiency is greatly improved; in addition, the method is suitable for rapidly measuring the content of benzene series in natural gas in the energy industry of petroleum, natural gas and the like, and particularly has wide requirements in exploration, development, production and processing links of natural gas.

The application discloses a kind of photocatalytic self-cleaning detergent and preparation method thereof, by weight parts, including the following components: TiO2-zeolite complex 5-10 parts;Para-chloro-m-xylene phenol 2-3 parts;Sodium citrate 5-8 parts;Sodium silicate 3-5 parts;Polyvinylpyrrolidone 1-2 parts;Surfactant 20-30 parts;Enzyme preparation 0.2-1 part;pH regulator 2-3 parts;Water 50-70 parts.The photocatalytic self-cleaning detergent of the application promotes the absorption of ultraviolet light by PCMX, thereby exciting TiO2-zeolite complex to generate strong oxidative active oxygen, improving the degradation efficiency of the detergent on stubborn organic stains, solving the problem of poor dispersibility of TiO2 in the detergent and limited photoactivation, realizing the stable release of photocatalytic materials in the washing process, ensuring sustained and efficient cleaning effect, and can be applied to hospitals or industrial and other scenes requiring a large amount of deep cleaning.