105 results about "Triketone" patented technology

The invention relates to a flame-retardant inorganic quick-setting material and a preparation method thereof, and the flame-retardant inorganic quick-setting material is prepared from the following raw materials: sulphoaluminate cement, aluminum-magnesium hydrotalcite, phosphorus slag powder, waste PBO fiber, an accelerator, a water reducer, a functional auxiliary agent, and 3, 3 '-diamino-4, 4'-difluorodiphenyl sulfone. The functional auxiliary agent comprises structural units introduced by the following monomers: 3-[N, N-dimethyl-[2-(2-methylpropyl-2-enoyloxy) ethyl] ammonium] propane-1-sulfonic acid inner salt, diphenyl (4-vinyl phenyl) phosphine oxide, 1, 3-bis (oxirane methyl)-5-(2-allyl)-1, 3, 5-triazine-2, 4, 6 (1H, 3H, 5H)-triketone, 10-(4-vinyl phenyl)-10H-phenoxazine and itaconic acid. The material is high in strength, remarkable in rapid hardening and flame-retardant effect, and safe and environment-friendly to use.

The invention relates to the technical field of biosynthesis, and particularly discloses a pyridone compound as well as a biosynthesis method and application thereof. On the basis of related technologies of synthetic biology, non-ribosome peptide synthetase is modified, non-ribosome peptide synthetase mutants are heterologously expressed in various hosts, a pyridone compound is found and obtained for the first time, the chemical molecular formula of the pyridone compound is determined to be C5H4N2O3, and the pyridone compound is named as 5-aminopyridine-2, 3, 6-triketone or 5-hydroxy-3-iminopyridine-2, 3, 6-triketone or 5-hydroxy-3-iminopyridine-2, 3, 6-triketone or 5-hydroxy-3-iminopyridine-2, 3, 6-triketone. The novel pyridone compound can be used as a raw material or an intermediate to be applied to development and preparation of novel antibiotics, drugs and dyes.

The invention discloses a UV photocureable coating as well as a preparation method and application thereof in automobiles, and relates to the technical field of coatings. When the UV photocureable coating is prepared, 4-aminophenylboronic acid is dehydrated to prepare aminated boron oxygen six-ring; carrying out a reaction on the aminated boroxane and diallyl chlorophosphate to prepare functionalized boroxane; the preparation method comprises the following steps: sequentially reacting graphene oxide with 3-chloropropyltriethoxysilane and 1, 3-diallyl-1, 3, 5-triazine-2, 4, 6-triketone, so as to obtain modified graphene; the preparation method comprises the following steps: reacting epoxy resin with 2-butenal thiosemicarbazone to prepare modified epoxy resin; and uniformly mixing the modified epoxy resin, the epoxy acrylate resin, the modified graphene, the functionalized boroxane, the 1, 6-hexanediol diacrylate and the 1-hydroxycyclohexyl phenyl ketone, so as to obtain the UV photocureable coating. The UV photocureable coating prepared by the invention has excellent flame retardant, self-repairing and mechanical properties.

This application relates to the field of biosynthesis technology, and specifically discloses a pyridone compound, its biosynthesis method and application. Based on synthetic biology-related technologies, this application modifies non-ribosomal peptide synthetase, heterologously expresses non-ribosomal peptide synthetase mutants in a variety of hosts, and for the first time discovers and obtains a pyridone compound, and determines its chemical formula as C5H4N2O3, named 5-amino-pyridine-2,3,6-trione or 5-hydroxy-3-imino-pyridine-2,6-dione. This novel pyridone compound can be used as a raw material or intermediate in the development and preparation of novel antibiotics, drugs and dyes.

The disclosed technology provides a vitrimeric poly(diketoenamine) network comprising: a plurality of multifunctional triketone dimers; a plurality of multifunctional amine species containing primary or secondary amine groups, but no tertiary amine groups; and optionally, one or more amine-reactive groups. The disclosed technology also provides a method of making a vitrimeric polymer network, comprising: obtaining multifunctional triketone dimers; obtaining a multifunctional imine compound, with imine groups blocking amine groups; mixing the multifunctional triketone dimers with the multifunctional imine compound, thereby forming a polymer precursor mixture; applying the polymer precursor mixture onto a substrate; and allowing the multifunctional imine compound to undergo hydrolysis with water, unblocking the amine functional groups and generating a multifunctional amine compound. The multifunctional amine compound reacts with the multifunctional triketone dimers to form a vitrimeric polymer network. The vitrimeric polymer network may be depolymerized back to monomers, which may be repolymerized in a closed-loop system.

The present disclosure relates to herbicidal combinations, compositions and methods for controlling weeds comprising the carbamate herbicide asulam and an additional herbicide selected from the group comprising cyclohexanedione oxime herbicides, pyrimidinylsulfonyhirea herbicides, triazolopyrimidine herbicides, imidazolinone herbicides, alkylazine herbicides, triketone herbicides, N-phenylimide herbicides or chloroacetamide herbicides. Specifically, the additional herbicide may be one of clethodim, chlorimuron, diclosulam, imazamox, imazethapyr, indaziflam, mesotrione, saflufenacil, tiafenacil or S-metolachlor.

The invention belongs to the technical field of flame-retardant materials, and particularly relates to a P-N flame retardant as well as a preparation method and application thereof. The preparation method of the P-N flame retardant comprises the following steps: (1) taking amino trimethylene phosphonic acid and adding a solvent for dilution; (2) adding 1, 3, 5-tri (2-ethoxyl) 1, 3, 5-triazine-2, 4, 6-triketone into the solution obtained in the step (1), and carrying out a constant-temperature oil bath reaction for 2-5 hours to obtain a P-N flame retardant precursor solution; (3) preparing an aqueous solution of an amino compound; and (4) dropwise adding the P-N flame retardant precursor solution into an aqueous solution of an amino compound, carrying out constant-temperature oil bath reaction for 5-10 minutes to generate white precipitates, continuing to react for 0.5-1 hour after the precipitates are generated, washing, carrying out suction filtration on the precipitates, and drying to obtain the P-N flame retardant. The P-N flame retardant disclosed by the invention is a white solid which is almost insoluble in water at normal temperature, and has a good flame retardant effect on a bio-based material.

A transgenic cotton event, Gh_CSM63718, is provided. Transgenic plant cells, plant parts, plants, seeds, progeny plants, and agricultural and commodity products containing event Gh_CSM63718 are also provided. Recombinant DNA molecules unique to the event Gh_CSM63718, and methods of using and detecting Gh_CSM63718 are also provided. Cotton plants containing the event Gh_CSM63718 exhibit tolerance to glufosinate, B-triketone HPPD inhibitors, dicamba, glyphosate, PPO inhibitors, and combinations of any thereof.

The invention provides a cyanuric acid-containing halamine / quaternary ammonium salt copolymerization modified antibacterial material and application, and relates to the technical field of antibacterial materials. 1-allyl-s-triazine-2. 4.6-triketone potassium salt is synthesized from the cyanuric acid-containing halamine / quaternary ammonium salt copolymerization modified antibacterial material through nucleophilic substitution; the preparation method comprises the following steps: grafting a chlorinated halamine / quaternary ammonium salt copolymer to 3-chloropropyltrimethoxysilane pretreated natural fiber, copolymerizing the modified fiber and dimethyl ethyl methacrylate through continuous steps, reacting in ethanol with alkyl bromide, and substituting in a disinfectant to obtain the chlorinated halamine / quaternary ammonium salt copolymer modified material. The cyanuric acid-containing halamine / quaternary ammonium salt copolymerization modified antibacterial material prepared by the invention can quickly and efficiently kill escherichia coli and staphylococcus aureus, and has good recovery and regeneration capacity, ultraviolet radiation resistance and self-cleaning capacity.

A geopolymer precursor includes an alkaline reactive solid material containing aluminum, silicon, and oxygen, and a fluid loss control material having an ionic stability property that has a first value in water and a second value in a 3M solution of NaOH, wherein a ratio of the second value to the first value is in a range of 0.5 to 2.0. The fluid loss control material may be, or may include a crosslinked polymer, which may include a reaction product of one or more of acrylamide, 2-acrylamido-2-methyl propane sulfonic acid, N,N‑dimethylacrylamide, N,N‑diethylacrylamide, vinyl acetate, or another monomer, and a crosslinker including one or more of methylene bisacrylamide, triallyl amine, pentaerythritol allyl ether, triallyl-triazine-trione, or another material. The geopolymer precursor may include an activator, an alkaline solution having pH of at least about 9, or both.

A formulation delivery system for use with an outdoor cleaning device is provided. The formulation delivery system has a composition containing chlorine, wherein the composition is in the form of a solid chemical component, and the outdoor cleaning device is a spray bar that houses the composition. The chlorine is selected from the group consisting of calcium hypochlorite, 1,3,5-triazine-2,4,6(1H,3H,5H)-trione, 1,3-dichloro-sodium salt, dihydrate (dichloroisocyanuric acid), 1,3,5-trichloro-1,3,5-triazinane-2,4,6-trione (trichloroisocyanuric acid), chloramine-T hydrate, and combinations thereof. A spray bar is also provided that has a refill cartridge for housing the composition in solid form.

The disclosed technology provides a thermoplastic copolymer comprising: a plurality of difunctional triketone species; (b) a plurality of a first diamine species, wherein the first diamine species contains one or more primary amine groups and / or one or more secondary amine groups, and wherein the first diamine species does not contain a tertiary amine group; a plurality of a second diamine species, wherein the second diamine species contains one or more primary amine groups and / or one or more secondary amine groups, wherein the second diamine species does not contain a tertiary amine group, and wherein the second diamine species is different than the first diamine species; and optionally, a plurality of monofunctional amine-reactive groups. Some embodiments provide segmented thermoplastic copolymers. Methods of making and using the thermoplastic copolymer are also described, including depolymerizing the thermoplastic copolymer to form recycled monomers. The recycled monomers may then be repolymerized in a closed-loop system.

The present application relates to the technical field of materials, in particular to a multi-stage solidification shape memory polymer for 4D printing and a preparation method thereof. In view of the problem that it is difficult to build gradient mechanical functions by precisely regulating the structure modulus in a single structure of 4D printing, the present application obtains a single-component multi-stage solidification shape memory polymer by regulating the ratio of toluene-2, 4-diisocyanate-hydroxypropyl acrylate, shape memory polymer, polyethylene glycol 400 and 1, 3, 5-tris (6-isocyanate hexyl) -1, 3, 5-triazine-2, 4, 6-trione under the test feedback of the printing structure modulus, and solves the problem that it is difficult to build gradient mechanical properties in a single structure of 4D printing.

The present disclosure relates to a herbicidal combination comprising a carbamate herbicide and a triketone herbicide.

The invention provides a synthesis method and application of a tetra-substituted pyran compound. The tetra-substituted pyran compound is directly constructed through a one-pot cascade reaction under an organic base catalysis system by taking triketone olefin and allyl ammonium salt as key reaction raw materials. The method has the advantages that the operation is simple and convenient, no water or oxygen is needed, the reaction is efficient, the steps are simple, the method is environment-friendly, the reaction is easy to amplify, and the method has practical value. Activity tests prove that the compounds have certain inhibitory activity on alpha-glucosidase, or can be used for treating diabetes mellitus.

The invention provides a preparation method of 17 alpha-hydroxypregna-4-ene-3, 11, 20-triketone and an intermediate compound prepared by the preparation method, and relates to the technical field of medicine synthesis. The target product disclosed by the invention is prepared by taking 11 alpha-hydroxy-4-androstenedione as a starting material and carrying out six-step reaction, namely oxidation, ethynylation, ketalation, sulfonylation, etherification and hydrolysis. The starting material 11 alpha-hydroxy-4-androstenedione of the process is prepared from 4-androstenedione through enzyme transfer, and compared with 11 alpha, 17 alpha-dihydroxyprogesterone prepared from 17 alpha-hydroxyprogesterone through enzyme transfer, the enzyme transfer technology of the former is more mature, the conversion rate and the yield are higher, and the cost is lower. Meanwhile, the preparation method disclosed by the invention is easy to operate and implement in production and high in reaction conversion rate, avoids the use of a highly toxic reagent acetone cyanohydrin, and is more beneficial to large-scale industrial production.

The invention discloses a sodium silicate flame retardant and a preparation method thereof, and relates to the technical field of flame retardants, the preparation method of the sodium silicate flame retardant comprises the following steps: adding an organic solvent and sodium silicate into a reaction container, adding 1, 3, 5-tris [3-(trimethoxysilyl) propyl]-1, 3, 5-triazine-2, 4, 6 (1H, 3H, 5H)-triketone after the sodium silicate is uniformly dispersed, and stirring for 1-2 hours; heating to a reflux state, carrying out a heat preservation reaction in the reflux state, filtering a reaction solution after the reaction is finished, and carrying out vacuum drying on filter residues to obtain a sodium silicate flame retardant; the sodium silicate is subjected to surface modification, on one hand, the original flame retardant property of the sodium silicate can be efficiently utilized, and on the other hand, the sodium silicate can be endowed with certain plasticizing property, so that the sodium silicate has the dual effects of flame retardance and plasticizing, and the market competitiveness of the sodium silicate is improved.

An object of the present invention is to provide a resin composition that has excellent impregnability into fibers, enables favorable continuous production of a prepreg, and enables production of a prepreg that enables favorable production of a molded article.SOLUTION: A three dimensional crosslinked structure in which a compound (A) having two or more acetoacetic acid ester groups, aldehyde groups, or triketone structures alone or in combination in a molecule and an amine compound (B) having two or more primary amino groups in a molecule are bonded to each other, and a ketimine compound (D) in which at least one primary amino group of the amine compound (B) and a ketone group of the ketone compound (C) are condensation-bonded, wherein among the primary amino groups of the amine compound (B) constituting the ketimine compound (D), a proportion of the primary amino groups bonded to the ketone compound (C) is 1kPa% or more, the ketone compound (C) having a steam pressure at 20 °C of 0. 50mol or more.SELECTED DRAWING: None

The invention discloses a high-efficiency anti-wear engine oil composition and a preparation method thereof, and relates to the technical field of engine oil. The engine oil is prepared from the following components in parts by weight: 75-85 parts of base oil, 5-8 parts of an engine oil composite additive, 4-6 parts of a dispersing agent, 0.8-1.5 parts of an antioxidant, 3-5 parts of a viscosity index improver, 0.1-0.5 part of an anti-foaming agent, 0.6-1 part of a pour point depressant, 1-3 parts of triphenyl isocyanate thiophosphate, 0.8-1.5 parts of hydroxyl fluorosilicone oil, 0.8-1.2 parts of (3, 6-diamino acridine-9-yl) boric acid, 1-3 parts of 4, 4 '-diphenyl-1, 3-pentanediol monoisobutyrate, 1-3 parts of an anti-foaming agent, 1-3 parts of a pour point depressant, 1-3 parts of triphenyl isocyanate thiophosphate, 0.1-0.5 part of an antioxidant, 1-3 parts of The invention relates to a high-performance liquid crystal display screen, which is prepared from the following components in parts by weight: 1 to 3 parts of 1, 3, 5-tris [3-(trimethoxysilyl) propyl]-1, 3, 5-triazine-2, 4, 6 (1H, 3H, 5H)-triketone, 1 to 3 parts of 2, 3, 5-triazine-2, 4, 6 (1H, 3H, 5H)-1, 3, 5-tris [3-(trimethoxysilyl) propyl]-1, 3 The engine oil composition is excellent in high-temperature oxidation resistance, good in cleaning and dispersing performance, high in wear resistance and sufficient in corrosion resistance.

The invention discloses a method for synthesizing high-content clethodim and an intermediate thereof, and particularly relates to the field of pesticide synthesis, and the method comprises the following steps: S1, taking a toluene solution of a rearrangement compound A, sequentially adding a certain amount of an alcohol proton solvent and a solid inorganic base, then adding a certain amount of sodium alkoxide, carrying out a heat preservation reaction until the reaction is complete, cooling and filtering to obtain a reaction solution; washing the filter cake with a certain amount of toluene to obtain a compound B; in the alkaline hydrolysis process of the rearrangement compound, the introduction of water is avoided through an alcohol protic solvent system, the solvent can be recycled, the generation of wastewater in the hydrolysis and decarboxylation process of the rearrangement compound is avoided, the purification process of the product is realized in a synchronous crystallization mode in the alkaline hydrolysis process, the purity of the obtained intermediate is up to 99% or above, and the product purity is up to 99% or above. According to the method, the subsequent purification process of propionyl triketone and clethodim is not needed, the yield loss caused by the processes of high-temperature distillation, acid-base extraction and the like is avoided, and the whole technological process is simple, conforms to the green and environment-friendly concept and is suitable for industrial production.

This invention belongs to the field of flame retardant materials technology, and particularly relates to a P-N flame retardant, its preparation method, and its application. The preparation method of the P-N flame retardant includes the following steps: (1) diluting aminotrimethylenephosphonic acid with a solvent; (2) adding 1,3,5-tris(2-hydroxyethyl)1,3,5-triazine-2,4,6-trione to the solution obtained in step (1), reacting in a constant temperature oil bath for 2-5 hours to obtain a P-N flame retardant precursor solution; (3) preparing an aqueous solution of an amino compound; (4) adding the P-N flame retardant precursor solution dropwise to the aqueous solution of the amino compound, reacting in a constant temperature oil bath for 5-10 minutes to produce a white precipitate, continuing the reaction for 0.5-1 h after the precipitate is produced, washing and filtering the precipitate, and drying to obtain the P-N flame retardant. The P-N flame retardant of this invention is a white solid that is almost insoluble in water at room temperature and has good flame retardant effect on bio-based materials.

The present invention belongs to the field of semiconductor technology, and specifically relates to an organic compound with 1,3,5-triazine-2,4,6-trione as the core and its application. The organic compound provided by the present invention contains rigid 1,3,5-triazine-2,4,6-trione and benzo five-membered heterocyclic group in spatial structure, and the three substituent groups on the 1,3,5-triazine-2,4,6-trione parent nucleus are cross-spaced to avoid free rotation of the groups, so that the organic compound of the present invention has a higher density and a higher refractive index. The organic compound of the present invention can meet the requirements of the light extraction layer for the thermal stability, film crystallinity and light transmission of the material, and the rigid 1,3,5-triazine-2,4,6-trione and benzo five-membered heterocyclic group improve the thermal stability of the material; high T g Temperature ensures that the material does not crystallize in the thin film state. The compound of the present invention has good application effect and industrialization prospect in OLED light-emitting devices. #imgabs0#

The disclosed technology provides a vitrimeric poly(diketoenamine) network comprising: a plurality of multifunctional triketone dimers; a plurality of multifunctional amine species containing primary or secondary amine groups, but no tertiary amine groups; and optionally, one or more amine-reactive groups. The disclosed technology also provides a method of making a vitrimeric polymer network, comprising: obtaining multifunctional triketone dimers; obtaining a multifunctional imine compound, with imine groups blocking amine groups; mixing the multifunctional triketone dimers with the multifunctional imine compound, thereby forming a polymer precursor mixture; applying the polymer precursor mixture onto a substrate; and allowing the multifunctional imine compound to undergo hydrolysis with water, unblocking the amine functional groups and generating a multifunctional amine compound. The multifunctional amine compound reacts with the multifunctional triketone dimers to form a vitrimeric polymer network. The vitrimeric polymer network may be depolymerized back to monomers, which may be repolymerized in a closed-loop system.

The application provides a pyridinone compound and a preparation method and application thereof, and belongs to the technical field of compound synthesis.The pyridinone compound is (E)-5-[(hydroxyl methylene)amino]-1,2,3,6-tetrahydropyridine-2,3,6-trione, and the molecular formula is C6H4N2O4.The pyridinone compound of the application simultaneously contains a hydroxyl group, an imino group and multiple carbonyl functional groups in the structure, forms a unique conjugated system and hydrogen bond network, and has the potential to be used as a bioactive precursor or a functional material.The pyridinone compound with a purity greater than 95% and a yield greater than 94% can be obtained by using the preparation method of the application, the compound shows good performance in dyeing applications, not only expands the application range of the pyridinone compound, but also provides a new way for realizing high-value utilization of fermentation broth resources, and has the advantages of environmental protection and economic benefits.

The invention relates to the technical field of organic synthesis of steroid compounds, in particular to a preparation method of androstane-4-ene-3, 6, 17-triketone. Dehydroepiandrosterone acetate is used as an initial raw material to prepare androstane-4-ene-3, 6, 17-triketone through four steps of reactions including chlorohydrination, hydrolysis, oxidation and elimination, the yield and purity of androstane-4-ene-3, 6, 17-triketone are improved, 4-AD impurities are not generated, the total yield of a route reaches 80%, and the purity is larger than or equal to 98.0%; and the preparation process does not involve the use of dangerous chemicals and environment-polluting chromium oxidants, and is suitable for industrial production.

The invention discloses a preparation method of 1, 3-diallyl-5-ethylene oxide methyl-[1, 3, 5] triazine-2, 4, 6-triketone, sodium isocyanurate, chloropropene and epoxy bromopropane are used as raw materials, and a product is synthesized through two-step reaction: S1, preparation of intermediates: the sodium isocyanurate and the chloropropene are subjected to a reaction in a polar aprotic organic solvent, the reaction is carried out for 2-4 hours, and the product is obtained; carrying out a first-step reaction under the action of a catalyst and a cocatalyst, filtering, evaporating the solvent to dryness, and purifying to obtain an intermediate diallyl isocyanurate; s2, preparation of a target product: in a polar aprotic organic solvent, carrying out a second-step reaction on the intermediate and epoxy bromopropane under the action of an acid capturing agent, carrying out rotary evaporation to remove the solvent, washing and drying, and purifying to obtain the target product, a plurality of aspects such as a catalyst and a reaction system are researched, the reaction temperature is reduced, and a product with the purity conforming to the application in the field of electronic chemistry is obtained.

The invention relates to control of resistant pests. In particular, the present invention relates to a method of controlling an insecticide-resistant pest comprising exposing the insecticide-resistant pest to a pest control amount of a triketone compound.

The invention discloses ionic conductive polyurethane with high adhesion and self-repairability and a preparation method thereof, and belongs to the technical field of high-performance conductive binding materials, the method comprises the following steps: mixing 1-ethylimidazole and 3-chloro-1, 2-propylene glycol, condensing and refluxing, sequentially extracting in trichloromethane and acetone solutions, and drying in vacuum to obtain the ionic conductive polyurethane with high adhesion and self-repairability. The dihydroxy imidazolyl ionic liquid is prepared; the preparation method comprises the following steps: adding a dihydroxy imidazolyl ionic liquid solution into a polyurethane prepolymer, stirring for reaction, adding a polyhydroxy MXene-OH dispersion liquid subjected to etching treatment and a 1, 3, 5-tri (6-isocyanatohexyl)-1, 3, 5-triazine-2, 4, 6-trione cross-linking agent, carrying out chain extension cross-linking reaction, adding 1-ethyl-3-methylimidazoline bis (trifluoromethylsulfonyl) imine, and carrying out reaction, so as to obtain a polyurethane prepolymer; and carrying out mold pouring and drying treatment to obtain the ionic conductive polyurethane with high adhesion and self-repairing property. The covalent cross-linked network endows the material with good toughness, and the bi-cross-linked structure can also effectively block permeation of water molecules, so that the problem of poor water resistance of the traditional polyurethane material is solved.

The application discloses a new use of androsta-4,6,8(9),13(14)-tetraen-3,11,16-trione, namely, application of the androsta-4,6,8(9),13(14)-tetraen-3,11,16-trione in preparation of a medicine for treating lymphoma. 50 The IC value of the androsta-4,6,8(9),13(14)-tetraen-3,11,16-trione in the SR cell line is detected by a CCK-8 method, and the cytotoxicity of the androsta-4,6,8(9),13(14)-tetraen-3,11,16-trione on human umbilical vein endothelial cells Huvce and human immortalized keratinocytes Hacat is detected, in the body, the androsta-4,6,8(9),13(14)-tetraen-3,11,16-trione significantly inhibits tumor growth and shows good biological safety and no systemic toxicity; TUNEL staining, gamma-H2AX staining and neutral comet experiment prove that the compound of the application inhibits the growth of SR by causing serious damage to DNA, the application not only adds the diversity of the biological activity of the androsta-4,6,8(9),13(14)-tetraen-3,11,16-trione, but also provides a new direction for developing a new medicine for treating lymphoma.

The disclosed technology provides a vitrimeric poly(diketoenamine) network comprising: a plurality of multifunctional triketone dimers; a plurality of multifunctional amine species containing primary or secondary amine groups, but no tertiary amine groups; and optionally, one or more amine-reactive groups. The disclosed technology also provides a method of making a vitrimeric polymer network, comprising: obtaining multifunctional triketone dimers; obtaining a multifunctional imine compound, with imine groups blocking amine groups; mixing the multifunctional triketone dimers with the multifunctional imine compound, thereby forming a polymer precursor mixture; applying the polymer precursor mixture onto a substrate; and allowing the multifunctional imine compound to undergo hydrolysis with water, unblocking the amine functional groups and generating a multifunctional amine compound. The multifunctional amine compound reacts with the multifunctional triketone dimers to form a vitrimeric polymer network. The vitrimeric polymer network may be depolymerized back to monomers, which may be repolymerized in a closed-loop system.