166 results about "Isophorone" patented technology

The invention discloses a flame-retardant corrosion-resistant coating and a preparation method thereof, and relates to the technical field of coatings. When the flame-retardant and corrosion-resistant coating is prepared, hexaaryl biimidazole and epoxy chloropropane are subjected to a reaction, and epoxidized hexaaryl biimidazole is prepared; the pre-modified mica sheet and 3-aminopropyltriethoxysilane are subjected to a reaction, and a modified mica sheet is prepared; the preparation method comprises the following steps: reacting allyl amine with 4 '-[4-(bromomethyl) phenyl]-2, 2': 6 ', 2' '-terpyridyl to obtain allyl terpyridyl; the preparation method comprises the following steps: reacting epoxy resin with allyl terpyridyl to obtain modified epoxy resin; and uniformly mixing the modified epoxy resin, epoxidized hexaaryl biimidazole, the modified mica sheet, isophorone diamine and acetone to prepare the flame-retardant corrosion-resistant coating. The flame-retardant corrosion-resistant coating prepared by the invention has excellent corrosion resistance, flame retardance and self-repairing performance.

The invention discloses novel environment-friendly flame-retardant corrugated paper and a preparation method thereof, and belongs to the technical field of paperboard products. The corrugated paper is formed by bonding upper surface paper, a V-shaped flame-retardant core base layer and lower surface paper through a flame-retardant adhesive; the flame-retardant adhesive is prepared from the following components in parts by weight: 50 to 65 parts of oxidized cassava starch, 12 to 23 parts of phosphate esterified urea-formaldehyde resin, 5 to 15 parts of nitrogen-phosphorus modified isocyanate-based polyurethane and 2 to 8 parts of nano aluminum hydroxide; wherein the nitrogen and phosphorus modified isocyanate-based polyurethane is prepared by carrying out a reaction on isophorone isocyanate, bisphenol A type monophenyl phosphonate and modified montmorillonite, and the modified montmorillonite is prepared by carrying out a reaction on montmorillonite and polysiloxane. The corrugated paper provided by the invention has excellent flame retardant property, and also has good chemical stability and mechanical properties.

The present disclosure is directed, in general, to (1) nonlinear optical (NLO) chromophores containing spirofluorene-isophorone bridging groups, including (2) compositions / materials / resistive layers comprising NLO chromophores containing spirofluorene-isophorone bridging groups, and the methods of making the compositions / materials / resistive layers comprising NLO chromophores containing spirofluorene-isophorone bridging groups (e.g., methods of poling and / or drying, and the like), (3) uses of NLO chromophores containing spirofluorene-isophorone bridging groups in electro-optic devices (e.g., EOMs).

The invention relates to a bean flavor type essence base module. The bean flavor type essence base module is prepared from vanilla bean tincture, dihydrocoumarin, a fermented tobacco extract, megastigmatrienone and oxidized isophorone. The fragrance base module provided by the invention has typical bean fragrance and flue-cured tobacco fragrance, smoke is fine, smooth and soft, the fragrance quality and smoke comfort are improved, the smoke is smoother, and meanwhile, the burr feeling of the smoke is reduced.

The invention discloses an application of rhodococcus diploides in treatment of waste water containing isophorone, the rhodococcus diploides is classified and named as Rhodococcus tectodiphilus, the strain number is GXGD-YZ-2510, and the preservation number is GDMCC No: 67304. The invention further discloses a preparation method of the rhodococcus diploides. The strain shows good growth metabolism activity and isophorone degradation efficiency in a high-salt aerobic environment. Under the conditions that the system salinity is 1 wt%, the initial isophorone concentration is 200 mg / L, and the dissolved oxygen is 3-5 mg / L, the removal rate of the strain on the isophorone reaches 78.6%. The strain not only has excellent salt stress resistance, but also can realize efficient bioconversion of isophorone under high-salt aerobic conditions, and effectively solves the technical bottleneck that isophorone in high-salt wastewater in the industries of petrochemical engineering, chemical engineering, pharmacy and the like is difficult to biochemically treat; the method has the remarkable advantages of being thorough in degradation, low in cost, environmentally friendly, high in process adaptability and the like, and a novel strain resource and an industrialization technical scheme are provided for biological treatment of high-salinity wastewater of refractory organic pollutants.

The invention discloses an alcohol dehydrogenase mutant for high yield of tea flavor ketone and application of the alcohol dehydrogenase mutant in a one-pot method. The mutant is A182L or A182L / V214T. The alcohol dehydrogenase mutant has high catalytic activity on 4-hydroxyisophorone, and the yield of tea flavor ketone prepared by catalysis of the mutant A182L / V214T can reach 97% and is 3.73 times that of an original enzyme; the alcohol dehydrogenase mutant has high catalytic activity of synthesizing the tea aroma ketone through one-pot catalysis of isophorone, and the yield of the tea aroma ketone obtained through direct oxidation of isophorone by jointly using the mutant A182L / V214T and a cytochrome P450BM3 monooxygenase mutant can reach 92%; the alcohol dehydrogenase mutant has the advantages of simple production process, mild reaction conditions and environment-friendly production process, is beneficial to the industrial production of the tea flavor ketone, and has wide application prospects.

The invention discloses an anti-fouling and anti-corrosion integrated coating with long-acting, high-adhesion and super-smooth functions as well as a preparation method and application of the anti-fouling and anti-corrosion integrated coating, and belongs to the field of preparation of marine anti-fouling and super-smooth coating materials. The preparation method comprises the following steps: preparing a high-adhesion epoxy resin precursor to obtain a liquid product EGDE-PCA; the preparation method comprises the following steps: preparing a high-adhesion and super-lubricity integrated epoxy resin precursor to obtain an oily liquid product EGDE-PCA / APT-PDMS; the preparation method comprises the following steps: adding EGDE-PCA / APT-PDMS into isophorone diamine, uniformly mixing and stirring, coating a metal material sample with the mixture, and carrying out a drying and curing reaction under a vacuum heat preservation condition, so as to obtain the antifouling and anticorrosive integrated coating with long-acting high-adhesion and super-lubricity functions. In the early-stage synthesis reaction, an organic solvent does not need to be added, so that the environmental protection property is improved, and the problem that the construction process is difficult due to poor flowability is solved; the coating provided by the invention has super-smooth durability and excellent antifouling and anticorrosion effects.

A process for the manufacture of isophorone diamine (IPDA), comprising the steps of:a) providing a feed stream comprising trans-IPDA, cis-IPDA, isophorone nitrile amine (IPNA), components having a lower boiling point than trans-IPDA and components having a higher boiling point than IPNA, including isophorone amino alcohol (IPAA) and components having a higher boiling point than IPAA;b) separating the feed stream into(i) a fraction (ii) comprising a higher mass fraction of cis-IPDA content, compared to the feed stream;(ii) a fraction (iii) comprising a higher mass fraction of IPNA compared to the feed stream and a higher mass fraction of components having a boiling point higher than the boiling point of IPNA, including IPAA and components having a higher boiling point than IPAA, compared to the feed stream and optionally IPDA;c) further separating fraction (iii) into(iii) a fraction (iii-1) comprising a higher mass fraction of IPDA, compared to fraction (iii); and / or(iv) a fraction (iii-3) comprising a higher mass fraction of IPAA, compared to fraction (iii).

The invention discloses a fluorescent probe for detecting nitric oxide as well as a preparation method and a use method of the fluorescent probe. According to the probe, isophorone is used as a fluorescent mother group, substituted aniline is used as an NO recognition group, and the concentration level of NO in a water phase can be detected with high selectivity and high sensitivity. The probe itself presents red fluorescence, in the presence of nitric oxide, nitric oxide and amido on probe molecules are subjected to a nitrosation-deamination reaction to generate a corresponding denitrification product, the ICT effect of the probe molecules is inhibited, the emission wavelength of the probe is blue-shifted, and yellow fluorescence is emitted. According to the scheme, the probe obtains'ratio 'type fluorescence response to NO, and high-sensitivity and specific detection of nitric oxide is realized.

The invention discloses an anti-UV hydrolysis-resistant PET functional master batch and a preparation method thereof, UV absorbing groups such as isophorone diester and 2, 4-dihydroxybenzoic acid are introduced to enhance the UV resistance, and neopentyl glycol and trimethylolpropane are introduced to enhance the hydrolysis resistance of a molecular chain. Besides, the Beta molecular sieve, the zinc metaborate and other auxiliaries are utilized, so that the uniform distribution of the light stabilizer and the ultraviolet light absorber in the molecular structure is improved, and the problem that the UV absorption performance and the hydrolysis resistance of the film are not uniform due to molecular arrangement change in the stretching process is effectively avoided. The ultraviolet resistance, the strength and the hydrolysis resistance of the film are improved through the synergistic effect of all the components in the formula, so that the application requirements of PET products in the fields of packaging, electronics, photovoltaics, automobiles, medical instruments and the like are met.

The application discloses a kind of generation (4S) 4-hydroxyisophorone monooxygenase mutant and preparation method thereof, the monooxygenase is cytochrome P450 BM3 Monooxygenase from bacillus megaterium. The cytochrome P450 BM3 Monooxygenase mutant has high stereoselectivity and high reaction activity to catalyze isophorone hydroxylation, mutant R47L / Y51F / F81W / A191T / N239H / I259V / A276T / A328I / A330S / L353I / I401L / L437LL catalyzes isophorone to obtain (4S) 4-hydroxyisophorone diastereomeric excess rate can reach 95%, yield can reach 96%; the cytochrome P450 BM3 Monooxygenase mutant catalyzes isophorone synthesis (4S) 4-hydroxyisophorone process is simple, environmental protection, and industrialization prospect is good.

The invention discloses a dicyanoisophorone derivative fluorescent probe and application of the dicyanoisophorone derivative fluorescent probe in Hg < 2 + > detection. The structure of the double-cyano isophorone derivative fluorescent probe is shown as follows: # imgabs0 #. The Hg < 2 + > detection fluorescent probe HPQ-Hg is designed and synthesized, and the fluorescence intensity of the HPQ-Hg can be remarkably improved after the HPQ-Hg responds to Hg < 2 + > by introducing double recognition group thiocarbonate. Through a series of analysis tests, the probe HPQ-Hg shows ultrahigh sensitivity and selectivity, and the detection limit is only 0.52 nM. In addition, the fluorescence intensity of the probe and the mercury ion concentration show a good linear relationship (R2 = 0.9962). Development of the fluorescent probe HPQ-Hg provides a powerful tool for rapid detection of the Hg < 2 + > content in the electronic cigarette atomizer.

The present invention relates to the technical field of IPDI synthesis, specifically an industrializable IPDI synthesis process, comprising a synthesis process for n-butyl isophorone dicarbamate and a thermal cracking process for n-butyl isophorone dicarbamate. The synthesis process of the present invention has a simple flow, low pollution, high raw material utilization, high economic benefits, and is suitable for large-scale industrial production.

The invention discloses a method for improving the processing quality of tobacco leaves by using a facultative anaerobic bacterium compound preparation, which comprises the following steps: preparing seed solutions of bacillus altitudinis ZY02-1, bacillus subtilis SMXP-58 and klebsiella variicola HNYJ-3, preparing a tobacco extracting solution, compounding the seed solutions according to the ratio of 2: 1: 2, centrifuging, resuspending and culturing by using the tobacco extracting solution to obtain a compound bacterial agent, and preparing the compound bacterial agent by using the facultative anaerobic bacterium compound preparation. And finally, spraying the complex microbial inoculant according to the inoculum size of 2-5% until the primarily-cured tobacco leaves are dampened until the moisture content is 14-15%, sealing, stacking and fermenting at 20-30 DEG C for 3-5 days, and then re-drying. By means of the method, decomposition of polyphenol and terpene aroma precursors of the tobacco leaves can be accelerated, the content of aroma substances such as megastigmatrienone is remarkably increased, aroma components such as oxidized isophorone are added, the aroma quality and the aroma amount of cigarettes are improved, offensive odor is reduced, and the aftertaste and smoking comfort are improved.

The present application relates to the technical field of IPDI synthesis, and particularly discloses a method for removing residual n-butanol in tail gas in a process for synthesizing isophorone diaminon-butyl carbamate by using a urea method, wherein the tail gas is obtained from: ammonia-containing tail gas obtained in the process for synthesizing isophorone diaminon-butyl carbamate by using the urea method, and tail gas obtained after an ammonium carbamate removal process; and the method for removing the residual n-butanol in the tail gas comprises the following steps: cooling the tail gas to 15-25 DEG C, and then adsorbing the n-butanol in the tail gas by using an adsorbent; and the adsorbent comprises molecular sieves, activated carbon and nano-polymer adsorption resin. By using the method, the content of n-butanol in the tail gas of isophorone diaminon-butyl carbamate is far lower than the industrial emission standard, no secondary pollution is caused, and the system safety is high.

The invention belongs to the field of molecular fluorescent probes, and particularly discloses a near-infrared fluorescent probe of quinone oxidoreductase 1 (NAD (P) H: quinone oxidoreductase 1, NQO1) with an in-situ covalent anchoring function and a preparation method of the near-infrared fluorescent probe. According to the probe, dicyanoisophorone is used as a core fluorophore, an aldehyde group is used as an NQO1 covalent anchoring group, and 3-methyl-3-(2, 4, 5-trimethyl-3, 6-dioxocyclohex-1, 4-diene-1-yl) butyrate is used as a recognition group of NQO1. The invention also provides an application of the near-infrared fluorescent probe with the in-situ covalent anchoring NQO1. Compared with other probes, the probe is simple in synthesis method and suitable for industrial production, and has high sensitivity, high selectivity and good biocompatibility in NQO1 detection. The fluorescent probe disclosed by the invention can realize covalent labeling and in-situ imaging functions after target NQO1 recognition response. Long-time in-situ tracking and imaging can be carried out on tumor cells and tissues by monitoring the NQO1 level, and a simple and effective method is provided for accurate detection of tumor disease related protease.

The invention discloses a polyurethane antifouling paint and a preparation method thereof, and belongs to the field of paints.The preparation method comprises the steps that cardanol and formaldehyde are subjected to polycondensation to form a cardanol aldehyde prepolymer, then the cardanol aldehyde prepolymer, polyether polyol and isophorone are mixed and react, and cardanol modified polyurethane is obtained; and mixing a volatile solvent, a flatting agent, nano silicon dioxide, perfluoropolyether oil and cardanol modified polyurethane to obtain the polyurethane antifouling paint. The cardanol structure is introduced, so that the film-forming property of the coating can be improved, active sites can be provided for subsequent polyurethane modification, the cohesion of the coating is enhanced to a certain extent, and the coating is more wear-resistant by matching with the nano silicon dioxide; the cardanol modified polyurethane combines the advantages of cardanol, polyether polyol and isophorone diisocyanate, and perfluoropolyether oil has extremely low surface energy, and can effectively inhibit the adhesion of marine organisms and play an antifouling role under the combined action of the perfluoropolyether oil and other components.

The invention relates to the field of coatings, in particular to a solvent-free epoxy coating. The solvent-free epoxy coating comprises a component A and a component B, wherein the component A comprises bisphenol A type epoxy resin, a reactive diluent, a flatting agent, a defoaming agent and an anti-settling agent; and the component B comprises a curing agent oxalic acid modified isophorone diamine and a Mannich base modified diethylenetriamine. After the curing agent provided by the invention is used, the surface drying time and the hard drying time are obviously improved, and the coating can be completely cured more quickly, so that the coating can be subjected to subsequent processing treatment or put into use in advance, and the whole production process is accelerated.

The invention relates to a method for electrochemically hydrogenating isophorone in a divided cell using H2O as a hydrogen source and in the presence of H2SO4 in anolyte and catholyte, wherein a pure-material electrode made of a material selected from graphite, nickel, and steel is used as the cathode and an electrode selected from solid-body and supported electrodes having an active material selected from platinum, graphite, boron-doped diamond, ruthenium oxide, platinum oxide, and / or iridium oxide is used as the anode.

Conventionally, CO2 absorbents such as isophorone diamine are used, and the CO2 absorption process at low temperatures and the CO2 extraction process at high temperatures are carried out in separate tanks. However, once the CO2 absorbent such as isophorone diamine absorbs CO2 and solidifies (changes into carbamic acid), it becomes difficult to move it to the other tank, which presents a problem. [Solution] Even when CO2 absorbents such as isophorone diamine absorb CO2 and solidify (change into carbamic acid), the system does not require movement. By creating a (medium to high) vacuum inside the tank, the amount of air inside the tank is reduced, and the concentration of CO2 extracted from the carbamic acid increases accordingly.

The present invention relates to the technical field of anti-icing coatings, and in particular to a method for preparing a soft-hard composite anti-icing coating with low ice adhesion, comprising: step S1.1, weighing the following raw materials in parts by weight: 75-90 parts by weight of a modified epoxy resin, 10-25 parts by weight of an acrylic resin, 6-8 parts by weight of vinyl-terminated polydimethylsiloxane, 1-3 parts by weight of a hydrogenated silicone oil, 0.5-1 parts by weight of a platinum catalyst, 0.8-1.2 parts by weight of an emulsifier, 5-10 parts by weight of coconut shell activated carbon, 10-25 parts by weight of an octadecyltriethoxysilane, and 10 parts by weight of an octadecyltriethoxysilane. 1-13 parts by weight, 0.4-0.8 parts by weight of dibutyltin dilaurate, 8-12 parts by weight of isophorone diamine, 7-9 parts by weight of polydimethylsiloxane and 1-3 parts by weight of aliphatic polyisocyanate; modified epoxy resin is prepared from bisphenol A epoxy resin, o-trifluoromethylphenylethylamine and 1-aminobenzotriazole; S1.2, preparation of soft particles; S1.3, preparation of hard particles; S1.4, preparation of coating; the use of modified epoxy resin improves the anti-icing, wear resistance and durability of the anti-icing coating.

The invention discloses a tissue slice in-situ hybridization pretreatment liquid and a use method, the tissue slice in-situ hybridization pretreatment liquid is characterized in that the tissue slice in-situ hybridization pretreatment liquid is composed of a compound component A solution and a surfactant component B solution, the compound component A solution and the surfactant component B solution have a proper octanol / water partition coefficient and can effectively remove endogenous fluorescent substances, and a solvent is a hydrophilic solvent; wherein the component A is one or a combination of more of bis (hexamethylene) triamine, dodecyl pyridine chloride, cyclohexylamine, isophorone diamine, N-benzylamino ethanol, N, N, N, N-tetramethyl-1, 6-hexamethylenediamine and 1, 3-bis (aminomethyl) cyclohexane; and the component B is one or a combination of more of triton X-100, tween-20, lauryl sodium sulfate and sodium dodecyl benzene sulfonate. The method is used when the FFPE slice is subjected to fluorescence in-situ hybridization or immunofluorescence experiments, autofluorescence can be reduced in a rapid removal mode, the pretreatment effect is remarkably improved, and the hybridization efficiency of samples difficult to hybridize is improved.

The present application relates to a kind of bean-flavored fragrance base module, the bean-flavored fragrance base module includes vanilla bean tincture, dihydrocoumarin, fermented tobacco extract, megastigmatrienone and isophorone oxide.The fragrance base module provided by the present application has typical bean-flavored fragrance and roasted tobacco smoke, and the feeling of fine and soft smoke is better, the aroma quality and smoke comfort are improved, so that the smoke is more round, while reducing the burr feeling of smoke.

The present invention relates to an isophorone dimer prepared from biomass, a method for preparing same, and an alternative aviation fuel comprising same. Specifically, the present invention relates to: an isophorone dimer prepared by forming isophorone using carboxylic acid obtained from biomass and subjecting the isophorone to dimerization, hydrogenation, and deoxygenation; a method for preparing same; and an alternative aviation fuel comprising same.

The invention discloses a waterproof anti-slip coating for bridges and a production process thereof, and relates to the technical field of protective paints.The coating is composed of a component A and a component B. The component A is a prepolymer generated through reaction of phosphorus-containing modified polycarbonate diol and hexamethylene diisocyanate and has good hydrophobicity, the compactness of a coating is improved, and the anti-slip effect is good; the component B is composed of isophorone diamine, a modified chain extender and a surface modified silicon carbide filler, a silicon dioxide coating layer is formed on the surface of silicon carbide through hydrolytic condensation of tetraethyl orthosilicate, further coupling modification is performed through epoxy-fluorine-containing silane, a reactive epoxy group and a hydrophobic fluorine-containing group are introduced, the skid resistance and the medium infiltration resistance of the filler are improved, and the wear resistance of the filler is improved. Active groups in the modified chain extender promote the formation of a cross-linked structure and improve the mechanical property and bonding strength of the coating, so that the coating has high strength, water resistance, corrosion resistance and excellent skid resistance.

The application discloses a preparation method of a catalyst for catalyzing directional polycondensation of acetone to produce mesitylene and isophorone, and belongs to the field of catalysis technology. The catalyst is prepared by using a co-precipitation method to prepare magnesium-aluminum-zinc composite oxides, and simultaneously introducing active components and metal modified additive components in the co-precipitation process, and then drying and calcining to obtain a finished catalyst. The application realizes efficient synergistic effect of the active metal components and the additive metal components on the composite basic oxides and adjustment of the distribution of acid and base sites of the catalyst, so that the effect of co-producing isophorone and mesitylene through directional polycondensation of acetone is achieved. The catalyst prepared by the method is suitable for catalyzing polycondensation of acetone to co-produce isophorone and mesitylene, and has the advantages of simple preparation process, high catalytic activity and good stability.

The invention relates to a plant-source attractant for peach tree pests and application of the plant-source attractant. The plant-source attractant is selected from any one or more of beta-phellandrene, 3-methylene-6-(tert-amyl) cyclohexane-1-ene, 1-isopropyl-4-methylene cyclohexane, 4-methylene cyclohexane-1-ethyl formate, 4-oxoisophorone and 3-carene, and the plant-source attractant is selected from any one or more of beta-phellandrene, 3-methylene-6-(tert-amyl) cyclohexane-1-ene, 1-isopropyl-4-methylene cyclohexane, 4-methylene cyclohexane-1-ethyl formate, 4-oxoisophorone and 3-carene. The compound can be used for preparing a preparation for attracting peach tree pests outdoors. Compared with the prior art, the peach tree pest plant source attractant can trap and kill female adults in external environments such as a field, and the prevention and control effect is greatly improved.

The invention discloses an infrared barrier polyurethane coating and a preparation method thereof, and relates to the technical field of coatings. When the infrared barrier polyurethane coating is prepared, 7-cyano-8-hydroxy-1, 6-naphthyridine and pent-4-enohydrazide are subjected to a reaction, and a pentenyl triazole monomer is prepared; polymerizing a pentenyl triazole monomer and hexenyl ethylene carbonate, and coating the cesium tungsten bronze powder with the polymerized pentenyl triazole monomer and hexenyl ethylene carbonate to prepare modified cesium tungsten bronze powder; reacting the cardanol diglycidyl ether with carbon dioxide to obtain cyclic carbonated cardanol; the cyclic carbonated cardanol, the modified cesium tungsten bronze powder, functional microspheres, cyclohexanone, isophorone diamine and 1, 3-bis (3-aminopropyl)-1, 1, 3, 3-tetramethyldisiloxane are uniformly mixed, and the infrared barrier polyurethane coating is prepared. The infrared barrier polyurethane coating prepared by the invention has excellent flame retardance, aging resistance and infrared barrier property.

The utility model discloses an isophorone wastewater treatment device which comprises a flowing disc, a blocking weir and an adsorption column, the flowing disc is composed of a plurality of S-shaped adsorption sections and transition sections, an inclined included angle a is formed between each adsorption section and the horizontal direction, the inclined included angle a is 10-50 degrees, a water inlet is formed in one side of the adsorption section located at the topmost part, and a water outlet is formed in the other side of the adsorption section located at the topmost part. A plurality of clamping grooves are formed in all the adsorption sections, blocking weirs and adsorption columns matched with the blocking weirs are clamped in the clamping grooves, the adsorption columns are located on one side of the upstream of water flow, flow guide openings communicated with the adsorption sections on the lower side are formed in the transition sections, and a water outlet is formed in one side of the transition section located at the bottommost part. Through the arrangement, COD (Chemical Oxygen Demand) and floccules in the wastewater can be removed through the adsorption column, and the treated wastewater can be directly used as a raw material of an isophorone production catalyst.

The invention relates to an amine curing agent, thermal viscosity-reducing glue, a thermal viscosity-reducing carrier membrane and a preparation method thereof, the amine curing agent comprises cardanol, isophorone diamine and a furfural solution, the cardanol is melted at the temperature of 50-60 DEG C, then the isophorone diamine is added for reaction at the temperature of 60-70 DEG C, then the furfural solution is added for condensation reaction at the temperature of 75-90 DEG C, and the thermal viscosity-reducing carrier membrane is obtained. And finally, cooling to room temperature to obtain the amine curing agent. The thermal visbreaking carrier film prepared from the amine curing agent and the thermal visbreaking glue not only can provide stable and reliable adhesive force at normal temperature and ensure the stability of process operation, but also can be smoothly peeled off after high-temperature working sections such as cover film pressing and solder resist ink baking, the surface of a PI film is kept clean, and the service life of the PI film is prolonged. The manufacturing efficiency and reliability of the flexible circuit board are obviously improved; the thermal visbreaking carrier film has the advantages of high-temperature visbreaking, no adhesive residue, good dimensional stability and the like.