18results about How to "Reactive" patented technology

This application discloses a method for the conversion of C4-C6 alkanes. In a reactor, a raw material containing hydrogen and C4-C6 alkanes is contacted with a catalyst and reacted to obtain a product containing small molecule hydrocarbons; the C4-C6 alkanes are selected from at least one of n-butane, isobutane, n-pentane, isopentane, and 2,3-dimethylbutane; the small molecule hydrocarbons are selected from at least one of ethane, propane, n-butane, and n-pentane; the catalyst is prepared by the following steps: (1) mixing clay and sol, spray drying to obtain microspheres with a diameter of 1-50 μm; (2) immersing the microspheres in an aqueous solution containing a noble metal precursor, drying I, calcining I, and treating with a hydrogen atmosphere to obtain a catalyst precursor; (3) mixing the catalyst precursor, molecular sieve, and additives, rolling to form spheres, drying II, calcining II, and reducing to obtain the catalyst.

This invention discloses a USY molecular sieve, its preparation, and its application. The USY molecular sieve has the following properties: mesoporous pore volume accounts for 30%–60% of the total pore volume; the total acid content is 400–480 μmol / g at 200℃ and 120–150 μmol / g at 350℃. When the molecular sieve of this invention is used as a hydrocracking catalyst, both the catalyst activity and selectivity are significantly improved.

The present invention aims to provide a porous body for secondary batteries that can be manufactured in a manner with good reactivity and high safety, and a method for manufacturing the same. The porous body for secondary batteries comprises a sulfonic acid-containing polymer. The sulfonic acid-containing polymer is a reaction product of a hydroxyl-containing polymer and an inorganic sulfate. The method for manufacturing the porous body for secondary batteries of the present invention includes: step (S1), preparing a porous body comprising the hydroxyl-containing polymer; and step (S2), immersing the porous body in an aqueous solution containing an inorganic sulfate, removing the porous body from the aqueous solution, and heating the porous body.

This invention discloses a modified volcanic rock ultrafine composite admixture and its preparation method, belonging to the technical field of building materials and solid waste resource utilization. The admixture is composed of volcanic rock, S95 grade mineral powder, fluorogypsum, silica fume, lime powder, nano-alumina, triisopropanolamine, and polycarboxylate superplasticizer in a specific ratio. The invention also discloses its preparation method, including drying, weighing, and co-grinding the raw materials to a D50 of 7.0-8.0 μm. Through the synergistic activation effect among the components, especially the depolymerization of the volcanic rock vitreous network by F⁻ in the fluorogypsum, the adjustment of the calcium-silicon ratio between the mineral powder and volcanic rock, and the combined effect of nanomaterials and chemical additives, the early and late-stage activity of the volcanic rock is significantly improved, and the water demand is reduced. The obtained admixture has a 7-day activity index ≥85%, a 28-day activity index ≥88%, and a water demand ratio ≤108%, and can directly replace traditional mineral powder and fly ash in concrete, solving the problem of the scarcity of high-quality admixtures in western regions, and has significant economic and social benefits.

The invention discloses phosphorous acid pentaerythritol ester dihydric alcohol as well as a preparation method and application thereof. The phosphorous acid pentaerythritol ester diol has a structure as shown in a formula (I): # imgabs0 #, in the formula (I), R1 is a C2-C18 straight chain alkyl group, a branched chain alkyl group, a cyclic alkyl group or an aryl group, or HO-R1-OH is polyether diol or polyester diol with the molecular weight of 200-1000g / mol. The flame retardant is introduced into polyurethane resin as a modifier, so that the resin material is endowed with excellent light aging resistance, hydrolysis resistance and flame retardance. In addition, the preparation process is simple, the equipment investment is low, the solid catalyst can be repeatedly used, and the production cost and the environmental burden are greatly reduced.

The invention relates to a method and a device for regulating the speed of an autonomous vehicle, called ego vehicle, comprising an adaptive speed regulator, the method comprising the steps of activating (201) the adaptive speed regulator, receiving (202) information, called target information, related to the target vehicle, receiving (203) information, called ego vehicle information, related to the ego vehicle, determining (204) an inter-vehicle time, determining (205) a warning signal based on the target information and the ego vehicle information, determining (206) a replacement condition for replacing (207) a set acceleration of the speed regulator by a target acceleration.

The present application relates to the technical field of immunological detection, in particular to hepatitis B PreS1 antigen and its preparation method and application. The present application first selects an active PreS1 polypeptide sequence, which is coupled to a hepatitis B surface antigen HBsAg molecule through a crosslinking agent to obtain a hepatitis B PreS1 antigen having both hepatitis B surface antigen activity and PreS1 antigen activity, which can be used as a calibrator and positive control in a hepatitis B PreS1 antigen detection kit. The kit uses anti-PreS1 antibody as coating and anti-HBsAg antibody as enzyme label. The artificial coupled hepatitis B PreS1 antigen prepared by the present application can effectively replace the currently used PreS1 real positive sample on the market, has no biological safety risk, stable source, and various indexes such as reactivity, vehicle stability and thermal stability, which are all better than those of the real positive sample, and has high innovation and applicability.

This invention discloses a USY molecular sieve, its preparation method, and its applications. The USY molecular sieve has the following properties: mesoporous pore volume accounts for 35.0%–55.0% of the total pore volume of the molecular sieve, and the most probable pore size is 23–30 nm. When used as a hydrocracking catalyst, this USY molecular sieve exhibits better adsorption, diffusion, and shape selectivity, resulting in superior reaction performance.

The invention belongs to the technical field of veterinary biotechnology detection, and particularly relates to a monoclonal antibody for resisting duck adenovirus 3 type Fiber2 protein and application of the monoclonal antibody to detection or identification of duck adenovirus 3 type. The duck adenovirus 3 type Fiber2 protein is taken as an immunogen to screen a hybridoma cell strain with good reactivity to different strain whole viruses of the duck adenovirus 3 type, an antibody generated by the hybridoma cell strain is analyzed, the monoclonal antibody resisting the duck adenovirus 3 type Fiber2 protein is obtained, and the sequence information is shown in a table 3 in the specification. The monoclonal antibody provided by the invention can identify different strains of the duck adenovirus 3, does not generate cross reaction with other common poultry disease viruses such as fowl adenovirus, novel duck reovirus and the like, has good specificity and sensitivity, can be used for detecting the exogenous virus of the duck adenovirus 3 in poultry virus live vaccines, and has good application prospects. And the kit can also be used for clinical identification, virus content determination and epidemiological investigation of the duck adenovirus type 3.

This application discloses a method for converting C4-C5 isoalkanes. The method includes the following steps: in a reactor, a feedstock containing hydrogen and C4-C5 isoalkanes is contacted with a catalyst and reacted to obtain a product containing small-molecule hydrocarbons; the C4-C5 isoalkanes are selected from isobutane and / or isopentane; the small-molecule hydrocarbons are selected from at least one of ethane, propane, and n-butane; the catalyst is prepared by the following steps: (1) mixing molecular sieves, surfactants, and adhesives, and spheroidizing to obtain a catalyst precursor; (2) mixing the catalyst precursor with a mixture containing a metal element precursor, water, an additive, and boehmite, spheroidizing, drying, and calcining to obtain the catalyst.

The application belongs to the technical field of preparation of o-alkynyl aniline compounds, and particularly relates to a preparation method of an o-alkynyl aniline compound with an aggregation-induced emission property. The preparation method comprises the following steps: (1) under the catalysis of bis-triphenylphosphine palladium dichloride and cuprous iodide, 1,2-bis(4-bromophenyl)-1,2-stilbene is reacted with trimethylsilyl acetylene to prepare an intermediate crude product, and then the intermediate crude product is subjected to a trimethylsilyl group removal reaction to prepare 1,2-bis(4-ethynylphenyl)-1,2-diphenyl ethylene; (2) under the catalysis of bis-triphenylphosphine palladium dichloride and cuprous iodide, 1,2-bis(4-ethynylphenyl)-1,2-diphenyl ethylene is reacted with 2-iodoaniline to prepare an o-alkynyl aniline compound. The o-alkynyl aniline compound prepared by the application has a good aggregation-induced emission property.

The present application relates to polyphenyl ether material field, specifically to a kind of preparation method and application of vinyl benzyl polyphenyl ether, low molecular weight polyphenyl ether is obtained by redistribution reaction and double bond group is grafted on low molecular weight polyphenyl ether segment to obtain vinyl benzyl polyphenyl ether, make polyphenyl ether have reactivity, and reaction product is reacted with modified polyvinyl alcohol and phase transfer catalyst, can make residual vinyl benzyl halide in system and modified polyvinyl alcohol react, further purify vinyl benzyl polyphenyl ether.The preparation method of vinyl benzyl polyphenyl ether designed in the present application, not only can obtain excellent dielectric performance vinyl benzyl polyphenyl ether, but also can remove by-product salt, halogen compound and halide ion, and processing process is simple, low in cost.

The invention belongs to the technical field of reverse osmosis membranes, and particularly relates to a preparation method of an ultra-low-pressure high-flux reverse osmosis membrane, which comprises the following steps: introducing a PEG derivative containing a succinimide ester function in the process of preparing a polysulfone base membrane, and preparing the base membrane with reaction activity by an immersion precipitation phase inversion method; then immersing the base membrane with reaction activity into a water-phase solution, reacting N-hydroxysuccinimide ester with a water-phase monomer binary primary amine to produce an amido bond, and then carrying out interfacial polymerization reaction with a polyacyl chloride oil-phase monomer to prepare a polyamide functional layer, so that the polyamide functional layer is connected with the base membrane through a chemical bond, thereby effectively preventing the polyamide layer from falling off; meanwhile, polyethylene glycol is embedded between the base membrane and the functional layer, so that the desalination rate of the reverse osmosis membrane is improved. The method is easy to operate and simple in control condition, and the prepared reverse osmosis membrane is low in operation pressure, high in flux and excellent in desalination rate.

The invention discloses a new-generation pincer-type ruthenium complex, a photosensitive function integrated crystalline framework catalytic material and a preparation method and application thereof.The pincer-type ruthenium complex with the structure shown in the formula I and the longer fluorescence lifetime is introduced into an MOF framework, and the photosensitive function integrated crystalline framework catalytic material LCNC-Zr is assembled; the method has an obvious effect on photocatalytic reduction of CO2 into CO, and the optimal reaction rate for preparing CO can reach 1570 [mu] mol g <-1 > h <-1 >; the preparation method of the ligand and photosensitive function integrated crystalline framework catalytic material is mature, does not need harsh reaction conditions and complex processes, and can be used for large-scale preparation.

This invention relates to the field of tape technology, specifically to an ultra-thin green PET pressure-sensitive adhesive tape with a high gyrometric coating reinforcement. The tape comprises a green PET substrate with a thickness ≤12μm and a primer reinforcement layer and a pressure-sensitive adhesive layer sequentially arranged therefrom. The primer reinforcement layer consists of an anchoring primer layer, an intermediate primer layer, a borate ester dynamic covalent pre-organized layer, an iron-citric acid slow-release coordination layer, a free trivalent iron locking layer, and a pH recovery and shaping layer. Through multi-layer synergistic action, it maintains high surface energy for a long time, significantly improving the interfacial bonding strength with water-based pressure-sensitive adhesives, resistance to damp heat aging, and resistance to die-cutting edge warping, while maintaining the flexibility of the substrate, making it suitable for the field of precision electronic assembly.

The invention relates to the technical field of catalyst preparation processes, in particular to a catalyst for preparing ethylbenzene by dehydrogenation of butadiene dimer, and a preparation method and application of the catalyst. Aiming at the defects in the prior art, the invention aims to improve the concentration of high-activity hydroxyl groups on the surface of a catalyst carrier, a layer of nano anatase tin type TiO2 is coated on the surface of Al2O3, and the anatase tin type TiO2 can generate high-activity hydroxyl groups under the irradiation of ultraviolet light. Meanwhile, the auxiliary Sn is added into the Pt-based catalyst, so that defect sites on the surface of active metal Pt can be modified, the dispersity of Pt can be improved, adsorption to an ethylbenzene product can be reduced, generation of byproducts can be inhibited, and the purpose of improving the activity and selectivity of the catalyst can be achieved. The catalyst has good reaction performance, under the condition that the reaction temperature is 303-335 DEG C, the conversion rate of butadiene dimer is larger than 90%, the ethylbenzene selectivity is larger than 92%, and the catalyst has good industrial application prospects.

The application relates to a preparation method of a high-friction-coefficient rubber roller composite material, and relates to a rubber roller material preparation method. 4-allyl-2-methoxy phenol and furfural are used as starting materials, an allyl phenolic aldehyde resin containing an unsaturated carbon-carbon double bond is prepared through a condensation reaction, then an allyl phenolic aldehyde resin containing an alcohol hydroxyl group is obtained under the action of an organic lithium catalyst, and finally the allyl phenolic aldehyde resin containing the alcohol hydroxyl group is crosslinked with N,N-methylene bisacrylamide crosslinking agent through reverse-phase suspension polymerization to prepare rigid nanoparticle microspheres. The obtained nanometer microspheres contain a large number of alcohol hydroxyl groups which can react with isocyanate groups, the rigid particles are added into a liquid rubber roller mixture containing polyhydric alcohol, isocyanate and a small-molecule chain extender, and a high-friction-coefficient polyurethane rubber roller can be obtained, and the application has a wide application prospect.

The application relates to the field of advanced petrochemical chemical new material technologies, and particularly discloses a high-temperature-resistant powder coating and a preparation method thereof. The preparation raw materials of the high-temperature-resistant powder coating include organic silicon resin, polyester resin, isocyanuric acid triglycidyl ester curing agent, high-temperature-resistant additive, leveling agent and degassing agent. The preparation raw materials of the high-temperature-resistant additive include mixed filler, amino silane and polyethylene glycol intermediate, and the mass ratio of the mixed filler, the amino silane and the polyethylene glycol intermediate is (400-550):(20-30):(100-200). The high-temperature-resistant additive effectively improves the high-temperature resistance and mechanical properties of the powder coating.