88 results about "Imidogen" patented technology

The invention provides a compound and tautomeric forms thereof having the formula:

wherein R_f¹ is selected from the group consisting of hydrogen, a straight chain, branched secondary or branched tertiary C₁-C₂₀ perfluoroalkyl group optionally containing ether or thioether linkages and C₁-C₁₀ perfluoroalicyclic group optionally containing ether or thioether groups; R_f² is a straight or branched C₁-C₂₀ perfluoroalkylene group optionally substituted with ether and thiother linkages; and X is selected from the group consisting of fluorine and

The invention also provides perfluoroelastomeric compositions cured with the perfluoroimidoylamidines of the invention as well as combinations of perfluoroimidoylamidines and other curing agents.

The invention discloses a preparation method of a nano material modified poly piperazine amide nanofiltration membrane. The preparation method comprises the following steps: adding conducting nano polyaniline into a piperazine water solution, carrying out ultrasound processing so as to disperse the conducting nano polyaniline uniformly, and then contacting the dispersed conducting nano polyaniline with an organic solution containing trimesoyl chloride and lipophilicity nano titanium dioxide to generate interfacial polymerization reaction so as to obtain a modified composite nanofiltration membrane. The nanofiltration membrane prepared by the method is improved in the rejection rate of sodium sulfate and magnesium chloride to the maximum of 97.2% and 88.5%, is low in rejection rate (less than 30%) of sodium chloride, and shows high selectivity to univalent salt and divalent salt, and meanwhile, the permeation flux and the antiseptic property of a membrane sheet are improved to a certain extent; additionally, the surface of the prepared membrane is endowed with amidogens, imidogen active groups, amide bonds and nano particles, so that the nano material modified poly piperazine amide nanofiltration membrane has the characteristics of favorable hydrophilia, pollution resistance, electric conductivity, mechanical intensity and the like, and can be widely applied to the separation of multiple salts.

The invention discloses nonaqueous electrolyte by taking asymmetrical (sulfonyl fluoride) (multi-fluorine alkoxy sulfonyl) lithium imide as conductive salt. The nonaqueous electrolyte has the characteristics of high thermal stability, high redox resistance, no aluminum foil corrosion and the like. Under the condition of no additive, the electrolyte material and the lithium ion battery electrode material have favorable compatibility; meanwhile, the electrolyte material has better room-temperature and high-temperature circulation stability than LiPF6, and can serve as a nonaqueous electrolyte additive for improving the high-temperature cycle and storage performances based on the LiPF6 electrolyte.

The invention discloses two dyes and making method, which is characterized by the following: the structure formula of reduced dye 16, 17-dianthrone dibromide is (I); the structure formula of reduced dye 16, 17-two (1'-imidogen anthraquinonyl) dianthrone is (II); the 16, 17-dianthrone dibromide (I) is made of brodianthrone, which condenses with 1-aminoanthraquinone to produce 16, 17-two (1'-imidogen anthraquinonyl) dianthrone is (II).

(1E, 2E)-1,2-bi(5-methoxyl-2-diphenylphosphine benzylidene) hydrazine is a dual-phosphine ligand containing an imine group. An aromatic ring has methoxyl which supplies electrons so that double metal has the stronger coordination capability. According to the synthetic method, intermediate 5-methoxyl-2-(diphenylphosphino)benzaldehyde and hydrazine hydrate serve as raw materials, formic acid serves as a catalyst, and the raw materials and the formic acid flow back in methyl alcohol to obtain bis-imine bis-phosphine four-tooth ligand L. Bis-imine bis-phosphine four-tooth ligand L and Cu(CH3CN)4CIO4 in-situ catalytic Sonogashira cross coupling reaction is carried out, the catalytic system is very high (the yield reaches to 99%) in reactivity to aryl iodide and is active to aryl bromide to some degree, alkyne self-coupling products can be well avoided, the reactive system is simple, and post-processing is convenient. Adopted Cu is low in cost, easy to obtain, economical and clean, and takes part in the Sonogashira coupled reaction instead of expensive and toxicant Pd. No rganic amine used as a solvent or alkali is used. The (1E, 2E)-1,2-bi(5-methoxyl-2- diphenylphosphine benzylidene) hydrazine has very good application prospects in industrial production in the future.

The invention discloses an environment-friendly high-efficient formaldehyde scavenger, which has a formula as below: 10 to 30 parts of sansevieria extracting solution, 10 to 30 parts of shaddock peel extracting solution, 10 to 30 parts of scindapsus aureus extracting solution, 5 to 15 parts of menthol, 30 to 50 parts of ethyl alcohol, 3 to 5 parts of formaldehyde scavenging microorganisms, 15 to 25 parts of penetrating agent, 10 to 20 parts of ethylene urea, 5 to 10 parts of flavor enhancer, and 100 to 130 parts of solvent. According to the environment-friendly high-efficient formaldehyde scavenger, the ethylene urea contains amidogen and imidogen with higher activity, so that the stability is good, and a product generated by reaction of the environment-friendly high-efficient formaldehyde scavenger and formaldehyde is safe and non-toxic; byssochlamys fulva and pseudomonas amygdalae can be used for effectively degrading the formaldehyde; the sansevieria extracting solution, the shaddock peel extracting solution and the scindapsus aureus extracting solution can effectively absorb the formaldehyde, and the flavor enhancer can enable the scavenger to emit fragrance. The environment-friendly high-efficient formaldehyde scavenger provided by the invention is environment-friendly and safe without secondary pollution, and suitable for production, popularization and application.

The invention provides anti-fatigue modified asphalt and a preparation method thereof. The anti-fatigue modified asphalt comprises 100 parts of matrix asphalt, 18-22 parts of waste tire rubber powder, 0.5 part of a plasticizer, 0.4-1.6 parts of polyphosphoric acid, 0.2 part of a compatilizer and 0.1 part of a stabilizer. On the basis of the waste tire rubber powder modified asphalt, by adding the plasticizer and the polyphosphoric acid, the disadvantage of low high-temperature stability of the waste tire rubber powder modified asphalt is well relieved, hydroxyl, imidogen, sulfydryl and other active groups in asphalt molecules chemically react with the polyphosphoric acid, the original micelle structure of asphaltene is broken, the dispersion uniformity of the asphaltene in asphalt light components is improved, a stable spatial network is easily formed, the modulus of the asphalt is enhanced, the viscoelastic properties of the asphalt are thus improved, and the high-temperature stability and the anti-fatigue performance of the asphalt are improved. The resistance to fatigue cracking is further improved, and on the premise of high high and low-temperature performance, the modified asphalt is high in resistance to fatigue cracking.

The invention relates to a method for preparing a polypropylene ion chelating membrane by adopting an electron beam radiation grafting method. The method comprises the following steps: using a polypropylene membrane (PP) as a skeleton; grafting nontoxic acrylonitrile (AN) on the membrane by adopting a method of pre-radiation grafting initiated by an electron beam; and preparing a chelating functional membrane containing imidogen through an amination reaction. The method has the characteristics of simple synthesizing steps, low price and easily-obtained raw materials, and the like. Besides, the ion chelating functional membrane synthesized by the method has the advantages of better chemical and mechanical stability, good coordinating and complexing abilities to metal ions, large adsorption capacity, easy regeneration and reusability, and can be applied to purifying industrial wastewater polluted by heavy metal ions or enriching noble metal ions.

The invention relates to a clean catalysis synthesizing method for preparing 9-deoxidized-6-deoxidized-6,9-iminoether-(9a-aza-9a)-erythrocin A and 9-deoxidized-11-deoxidized-9,11-iminoether-(9a-aza-9a)-erythrocin A by means of Beckmann rearrangement of (9E)-9-deoxidized-9-hydroxyl imidogen erythrocin A in a single-phase or two-phase room temperature ionic liquid system, or for preparing 9-deoxidized-6-deoxidized-6,9-iminoether-(8a-aza-8a)-erythrocin A and 9-deoxidized-12-deoxidized-9,12-iminoether-(8a-aza-8a)-erythrocin A by means of Beckmann rearrangement of (9Z)-9-deoxidized-9-hydroxyl imidogen erythrocin A in the single-phase or two-phase room temperature ionic liquid system. The catalyst used in the method is a benzene sulfonyl chloride derivative which can generate a corresponding target product in a mild and high-transformation-rate manner. Ionic liquid used for synthesis can be recycled. The method is simple and free of pollution.

The invention discloses a preparation method for p-aminobenzamidine hydrochloride, and belongs to the field of drug synthesis. The preparation method comprises the following steps: taking p-aminobenzamidine as a starting raw material, and enabling the p-aminobenzamidine and hydroxylamine hydrochloride to generate nitrobenzonitrile; then, enabling the nitrobenzonitrile to react with ammonium salt to generate p-aminobenzamidine; carrying out acylation and reduction on the p-aminobenzamidine to obtain p-aminobenzamidine imidogen n-hexyl formate; finally, performing salifying on the p-aminobenzamidine imidogen n-hexyl formate and hydrogen chloride to obtain the p-aminobenzamidine hydrochloride. Compared with the prior art, the preparation method for the p-aminobenzamidine hydrochloride disclosed by the invention has the characteristics of being simple to operate, easy to control in reaction, low in production cost and the like, and has a very good popularization and application value.

The invention discloses a method for deeply purifying phosphate radicals in a water body by using imino resin. The method comprises the following steps: adjusting the pH value of a phosphorus-containing water body; enabling the filtrate to pass through an adsorption tower filled with imino resin to obtain a deeply purified water body, wherein a skeleton of the imino resin is polystyrene-divinylbenzene, and an imino group is grafted on the skeleton; and after reaching an adsorption leakage point, desorbing by using a desorbing agent, and carrying out regeneration treatment. According to the method disclosed by the invention, resin taking polystyrene-divinylbenzene as a skeleton and grafted with an imine group is used as an adsorption material to carry out deep purification treatment on phosphate radicals in a water body; it is found that when the water body value is 3.0-10.0 and high concentrations of Cl <->, NO3 <->, HCO3 <->, SO4 < 2-> and SiO3 < 2-> coexist, the phosphate radical content (based on P) of effluent can still be reduced to 0.01 mg/L or below from 0.05-50 mg/L.

The invention relates to an imino-containing acrylic resin, its preparation method and an application, specifically to an imino-containing acrylic resin, its preparation method and an application in automobile refinishing coatings. The invention discloses the imino-containing acrylic resin, methods for preparing an imino-containing acrylate monomer and a resin, and a method for preparing an automobile refinishing solid color paint by the utilization of the above resin dispersion. By the adoption of the steric hinderance effect, activity of hydrogen on imidogen nitrogen atoms is properly reduced, the contradiction between curing speed and period of use is successfully solved, and a super fast-drying system with excellent performance is established.

The invention provides an o-hydroxyl-imidogen containing all-conjugated visible light sensitizer with a Y-shaped structure. The chemical general formula of the o-hydroxyl-imidogen containing all-conjugated visible light sensitizer is as shown in the specification, wherein R in the structural formula represents H, N(CH3)2, N(CH2CH3)2 or N(CH2CH2CH2CH3)2. The synthesis of the o-hydroxyl-imidogen containing all-conjugated visible light sensitizer comprises the following steps of: adding a diamino-triphenylamine derivative and an o-hydroxyl-benzaldehyde derivative to a three-neck glass bottle, wherein the mol ratio of the diamino-triphenylamine derivative to the o-hydroxyl-benzaldehyde derivative is 1: 2; by taking ethanol by a volume which is 40-100 times of the volume of the o-hydroxyl-benzaldehyde derivative as a solvent, magnetically stirring at normal temperature for 10 hours, and then finishing reaction; separating and purifying the mixture after the reaction, thereby obtaining the o-hydroxyl-imidogen containing all-conjugated visible light sensitizer with the Y-shaped structure. Tested by an ultraviolet-visible light spectrometer, the o-hydroxyl-imidogen containing all-conjugated visible light sensitizer with the Y-shaped structure has excellent absorption effect in the visible region.

The invention provides a preparation method of covalent organic framework (COF) nanoparticles, which comprises the following step: reacting imino COF with aniline in the presence of a solvent to obtain P-COF nanoparticles. The method comprises the following steps: mixing COF, a single-functional-group competitive monomer and an organic solvent, and carrying out molecular exchange under the ultrasonic action to obtain the COF nanoparticles. The method has the advantages of rapidness, size controllability, universality and the like. Compared with a traditional liquid phase stripping method, the method provided by the invention has the advantages that the speed is higher, and the uniformly dispersed COF nanoparticles can be prepared within 30 minutes; the preparation method disclosed by the invention can be used for selectively preparing the COF nano particles with the particle size of 20-150nm; the preparation method provided by the invention has general applicability to the imine COF. The prepared COF nanoparticles have important application value in the fields of biomedicine, gas separation, energy batteries and the like.

The invention discloses a preparation method and application of a TiS2 nanosheet-polyaniline-based electrochemical sensor for trace copper ion detection, belonging to the field of environmental analysis. By utilizing high selectivity obtained by a complexing effect of nitrogen atoms and copper ions on imidogen in polyaniline and high conductivity of the TiS2 nanosheets, a signal amplification effect is achieved, and trace copper ion detection is realized. Due to the presence of the TiS2 nanosheets, the stability and the interface electron transfer rate of the sensor can be enhanced. According to the synergistic effect of the TiS2 nanosheets and polyaniline, the TiS2 nanosheet-polyaniline-based electrochemical sensing method has the characteristics of high sensitivity, high selectivity and the like, the detection linearity range of copper ions is 25 microns-5 microns, the detection limit is 0.7nM, the method for preparing the TiS2 nanosheet-polyaniline-based electrochemical sensor is controllable, and secondary pollution is avoided. The electrochemical sensor disclosed by the invention has wide application prospects of monitoring copper ions in the water body in situ in real time.

The invention discloses a homoleptic Beta-Diketiminato rare earth complex-isopropyl alcohol system, the homoleptic Beta-Diketiminato rare earth complex has the following chemical formula: Ln[p-Cl-C6H4NC(Me)CHC(Me)NC6H4-p-Cl]3, wherein, Ln represents rare earth metal. Meanwhile, the invention discloses applications of the complex -isopropyl alcohol system in the controllable ring-opening polymerization reaction of L-lactide as a catalyst. The homoleptic Beta-Diketiminato rare earth complex-isopropyl alcohol system can controllably catalyze the ring-opening polymerization reaction of L-lactide under mild conditions, and can obtain poly-lactide acid that can predict the molecular weight and narrowness of molecular weight distribution, and has extreme high catalytic activity.

The invention discloses a non-cyanide silver-gilt electroplate liquid, which comprises a cylinder opening agent, an extender and a potassium hydroxide solution. The cylinder opening agent comprises following raw materials by weight: 1 to 5 percent of silver nitrate, 2 to 10 percent of isonicotinic acid, 5 to 20 percent of tri-imidogen di-phosphate ammonium, 2 to 12 percent of potassium acetate and residual quantity of pure water; the extender comprises following raw materials by weight: 0.1 to 5 percent of a compound of propanetriol and epoxy ethane, 0.01 to 9 percent of ammonium polyethylene with low polymerization degree, 10 to 20 percent of potassium acetate, 20 to 40 percent of isonicotinic acid and residual quantity of pure water; consequently, the electroplate liquid produced does not contain harmful substances such as cyanide and heavy metal, etc., and has low cost and good use effect.

The invention discloses a method for preparing iminodiacetic acid through continuous hydrolysis. The method comprises the following steps: mixing reaction material imidogen diacetonitrile and water in proportion; providing a perfectly mixed reactor, conveying the reaction material into the perfectly mixed reactor, so as to perform hydrolysis reaction; providing a tubular reactor, and conveying reaction liquid in the perfectly mixed reactor into the tubular reactor under the action of liquid level difference pressure; providing a product storage tank, ensuring that the reaction material performs periodic self-oscillating flowing between the tubular reactor and a product storage tank, discharging a product into the product storage tank after reaction. The method for preparing iminodiacetic acid through continuous hydrolysis improves the reaction yield. The invention further provides a self-oscillating reactor.