1087 results about "Peroxide" patented technology

The invention relates to a bioelectrochemical sensor used for detecting hydrogen peroxide and a manufacturing method of the bioelectrochemical sensor. The novel bioelectrochemical sensor is a sensor with a three-electrode system, wherein the counter electrode is a platinum electrode, the reference electrode is saturated calomel electrode and the working electrode is gold electrode. The sensor is based on orientation combination of a polypeptide horse radish peroxidase with characteristic sequence, the promotion effect of the polypeptide horse radish peroxidase on the activity of the enzyme and the characteristic of high sensitivity of electrochemical detection methods. The sensitivity of hydrogen peroxide sensors is effectively improved and satisfactory results are obtained.

The invention provides a preparation method of medicinal liquor and application of the medicinal liquor in preparation of antioxidant and anti-aging products, and relates to the technical field of medicinal preparations. The preparation method comprises the following steps: (1) crushing; (2) extracting; (3) standing and separating; and (4) freezing and filtering to obtain the medicinal liquor. The medicinal liquor is obtained by extracting the traditional Chinese medicine components through the steps of crushing in batches, mixing and extracting, standing, freezing and separating the supernate and the suspension in different separation modes, and the medicinal liquor can better improve the space exploration capability of a mouse aged due to D-galactose, can reduce malondialdehyde MDA, and can improve the immunity of the mouse. The activity of superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px) is improved, and the obvious anti-oxidation and anti-aging effects are achieved.

The invention discloses a metal-doped carbon quantum dot as well as preparation and application of the metal-doped carbon quantum dot in a nano antibacterial agent, citric acid, urea and tea polyphenol are taken as precursors, metal salt is added, carbon dot synthesis and metal ion doping are synchronously completed in one step through a hydrothermal method, and the metal-doped carbon quantum dot is prepared; the surfaces of the metal-doped carbon quantum dots are negatively charged, and the metal-doped carbon quantum dots have peroxidase-like activity and catalase-like activity at the same time; the metal ions adopt any one of Fe < 3 + >, Cu < 2 + > and Ce < 3 + >; the metal-doped carbon quantum dots are in a sphere-like shape. The metal-doped carbon quantum dots prepared by the preparation method disclosed by the invention have peroxidase-like activity and catalase-like activity at the same time through precise doping of metal ions, and the two activities have a synergistic effect in an oral periodontitis microenvironment, so that a good antibacterial effect is achieved.

The invention discloses application of iron ruthenium nano-enzyme in preparation of nucleic acid detection products, and belongs to the technical field of biological detection and nano-materials. The RIN has stable peroxidase-like (POD) activity, and can catalyze a chromogenic reaction between 3, 3 ', 5, 5'-tetramethyl benzidine (TMB) and hydrogen peroxide (H2O2). The catalytic activity of the nano-enzyme can be selectively inhibited by pyrophosphate (PPi) generated in a nucleic acid amplification reaction, so that visual colorimetric analysis on whether target nucleic acid exists or not is realized. In combination with a polymerase chain reaction (PCR) system, the invention constructs a new nucleic acid detection strategy which does not need fluorescence labeling, is simple and convenient to operate and has high sensitivity. Through verification, the system can be widely applied to rapid on-site screening and visual interpretation of related nucleic acid of drug-resistant pathogens (such as ESKAPE flora) and the like, and has a good application prospect.

The invention relates to the technical field of high polymer materials, and discloses a conductive shielding material for a high-voltage cable. Comprising the following components in parts by weight: 40 to 70 parts of main body polyolefin resin, 10 to 30 parts of ethylene-vinyl acetate copolymer, 5 to 15 parts of maleic anhydride grafted polyolefin, 20 to 40 parts of surface modified conductive carbon black, 0.5 to 2 parts of peroxide cross-linking agent, 0.5 to 3 parts of functionalized silane coupling agent, 0.1 to 1 part of processing aid and 0.1 to 1 part of antioxidant, the surface modified conductive carbon black is high-structure conductive carbon black which is subjected to plasma oxidation treatment, solution graft polymerization and surface coupling agent pretreatment. The conductive carbon black is subjected to multi-step surface modification including plasma oxidation, solution graft polymerization and surface coupling agent pretreatment, and the in-situ chemical bonding effect of maleic anhydride grafted polyolefin is matched, so that the agglomeration problem of the conductive carbon black caused by high surface energy is effectively solved.

The application provides a crosslinked polyethylene insulating material with intrinsic self-repairing and recyclable characteristics, a preparation method and application thereof, and relates to the technical field of cable materials.The crosslinked polyethylene insulating material with intrinsic self-repairing and recyclable characteristics is prepared from the following components in parts by weight: 99.7 parts by weight of low-density polyethylene, 1.0-2.6 parts by weight of peroxide, 0.1-0.5 parts by weight of antioxidant, 5-20 parts by weight of maleimide monomer, 0.35-0.7 parts by weight of catalyst, 0.5-3.0 parts by weight of ligand and 0.5-3.0 parts by weight of furan-based small molecule.The low-density polyethylene is functionally modified through catalytic amination reaction, so that the chain breaking and crosslinking in the modification process are avoided, and the mechanical properties, insulating properties and dielectric properties of the crosslinked polyethylene are enhanced through the post-absorption of the introduced peroxide.Meanwhile, the dynamic reversible Diels-Alder reaction introduced by the post-absorption of the furan-based small molecule enables the polyethylene insulating material to have good intrinsic self-repairing effect on mechanical damage and electrical damage.

The invention discloses a high-whiteness EVA chemical foaming sole material and a preparation method thereof, and belongs to the technical field of footwear products. The EVA chemical foaming sole material is formed by chemical foaming of an EVA composite raw material. The EVA composite raw materials mainly comprise 50 to 70 parts of EVA, 20 to 40 parts of an olefin thermoplastic elastomer, 0.4 to 0.7 part of a peroxide cross-linking agent, 2 to 4 parts of an AC foaming agent, 1 to 2 parts of zinc oxide, 0.3 to 0.8 part of 6-hydroxy-1, 2, 3, 4-tetrahydroquinoline, 0.5 to 1 part of nano zinc carbonate and 0.5 to 1 part of pentaerythritol tetrastearate. The whitening effect of the sole material can be realized on the premise of protecting the EVA foaming-crosslinking structure; therefore, the attractiveness of the product is improved, the durability is better, the mechanical properties and other properties of the EVA foamed sole are not influenced, and the high-quality requirements of elasticity, pressure resistance, comfort and the like of sports shoes can be met.

The invention provides a surface modification method for a lithium-rich manganese-based positive electrode material, which comprises the following steps of: washing by using a peroxide-containing aqueous solution, properly increasing the washing temperature (preferably 40-80 DEG C), regulating the reaction pH value to 1-7, accurately controlling the ratio of acidity to free radical oxidation reaction, and optimizing the interface stability, oxygen vacancy density and Li < + > diffusion rate, thereby obtaining the lithium-rich manganese-based positive electrode material. Meanwhile, the dosage of peroxide (preferably persulfate) is reduced, the reaction time is shortened, the modification efficiency is improved, the raw material consumption is reduced, and the production cost is reduced.

The invention belongs to the technical field of hydrometallurgy, and particularly relates to a pretreatment method for enhancing peroxide to improve the leaching rate of high-sulfur-arsenic gold ore. Comprising the following steps that the high-sulfur-arsenic gold ore is ground and then prepared into ore pulp; an oxidizing agent is added into the ore pulp, oxidation pretreatment is conducted on the high-sulfur-arsenic gold ore under the catalytic action of ultraviolet light, and ore pulp activation liquid is formed; and the pH of the ore pulp activating solution is adjusted to 9-12, a gold leaching agent is added into the ore pulp complexing solution, and stirring gold leaching treatment is conducted. According to the method, efficient oxidation of sulfide and arsenide is achieved under the mild condition through the synergistic effect of photocatalysis and chemical oxidation, the leaching rate of gold is remarkably increased, compared with a conventional peroxide oxidation method for pretreatment, the leaching rate can be increased by 10%-35%, and meanwhile the agent use amount and environmental pollution are reduced.

The application discloses a kind of flame-retardant expandable polystyrene and its preparation method.It includes the following raw materials: styrene, nucleating agent, desalted water, organic compound containing peroxide functional group, inorganic salt, bromine flame retardant, dispersant, solvent.The product powder and bulk material prepared by the application are less, and the prepared polystyrene board has excellent mechanical properties.After one week or even one month, no collapse, deformation and other phenomena occur, the combustion performance completely reaches B level, and has efficient flame-retardant fireproof performance.Meanwhile, the product obtained by the application has high bromine content, good thermal stability, low bleeding, no toxicity, little influence on material mechanical properties, and no toxic gas such as polybrominated dibenzo-p-dioxin and polybrominated dibenzofuran is produced during thermal cracking or combustion, which completely meets the requirements of European dioxin regulations and does not harm the environment.

The invention specifically discloses a preparation method of a FeZn diatomic nano enzyme with adjacent double metal sites. The product is of a planar sheet structure, chitosan serves as a chelating support, and the product is prepared through in-situ doping of bimetallic precursors of Fe and Zn in a competitive coordination and high-temperature pyrolysis mode. The preparation method comprises the following steps: taking chitosan as a sacrificial template, taking ferric nitrate and zinc chloride as precursors, and carrying out in-situ conversion on the metal precursors into bimetallic atom sites by virtue of a high-temperature pyrolysis means, so as to prepare the FeZn diatomic nano-enzyme. FeZn diatoms exist in an adjacent state, the peroxidase-like activity of the FeZn diatoms is larger than that of monatomic Fe nano-enzyme and monatomic Zn nano-enzyme, the FeZn diatoms have excellent storage stability and high-temperature-resistant catalytic stability, and the preparation method has the advantages of being high in expandability, simple in process, green in raw material, stable in diatom structure and the like.

The invention relates to a corrosion-resistant polypropylene modified plastic and a preparation method thereof, and belongs to the technical field of polypropylene plastic modification. The modified plastic is prepared from isotactic polypropylene, exfoliated montmorillonite, polyvinylidene fluoride powder, anhydride grafted polypropylene, a beta-crystal nucleating agent, diethyl aluminum chloride, peroxide, hindered phenol, phosphite ester and N, N-distearoyl hydroxylamine. The preparation method comprises the steps of low-shear melting and blending, high-shear supercritical COviscosity reduction, vacuum exhaust, bidirectional orientation, infrared local crosslinking, co-extrusion cooling and the like. The obtained material is excellent in tensile strength, elongation at break, low-temperature impact strength, strong acid corrosion resistance and the like.

The invention discloses a nitrogen-doped carbon nanotube modified magnetic pyrite composite catalyst as well as a preparation method and application thereof, and belongs to the technical field of water treatment. The nitrogen-doped carbon nanotube modified magnetic pyrite composite catalyst is prepared from the following raw materials: multi-walled carbon nanotubes, a concentrated nitric acid solution, melamine, magnetic pyrite powder and sodium percarbonate. According to the preparation method, magnetic pyrite and nitrogen-doped carbon nanotubes are mixed according to the ratio of 15: 1, nitrogen heat treatment is performed for 3 h at the temperature of 600 DEG C to form a composite carrier, and then activation treatment is performed through sodium percarbonate to obtain the catalyst. According to the catalyst, the electron transfer capacity and adsorption performance are enhanced through the nitrogen-doped carbon nanotubes, Fe < 2 + > / Fe < 3 + > circulation of the magnetic pyrite is cooperated, and the dual effects that sodium percarbonate is efficiently activated to generate free radicals to degrade pollutants and rapid recovery is achieved through magnetism can be achieved. The catalyst prepared by the invention is suitable for deep treatment of organic matters and heavy metals in industrial wastewater, and has the advantages of wide pH adaptation range, no secondary pollution and recyclability.

The invention discloses a method for detecting aflatoxin B1 in coffee based on colorimetric and photo-thermal dual modes of MXene (at) Pt nano-enzyme, which comprises the following steps: etching Ti3AlC2 by using LiF and HCl to obtain MXene, synthesizing platinum nano-particle modified MXene nano-enzyme (MXene (at) Pt) by using dopamine carbon dots and sodium borohydride as reducing agents and adopting an in-situ reduction technology, and detecting aflatoxin B1 in coffee by using the MXene (at) Pt nano-enzyme (MXene (at) Pt nano-enzyme (MXene (at) Pt nano-enzyme (MXene (at) Pt nano-enzyme (MXene (at) Pt). The MXene (at) Pt shows near-infrared light stimulation enhanced peroxidase-like activity and photo-thermal performance and can catalyze blue deepening and temperature rising of a substrate 3, 3 ', 5, 5'-tetramethyl benzidine (TMB), when aflatoxin B1 exists, POD-like activity of MXene (at) Pt nano-enzyme is inhibited, and colorimetric and temperature signals are reduced; a method for detecting the AFB1 by the colorimetric temperature dual-mode sensor is established, and the method has the characteristics of high sensitivity, strong specificity, simplicity and rapidness in operation and the like.

The invention provides an iron-doped copper nanocluster nano-enzyme, a preparation method thereof and application of the iron-doped copper nanocluster nano-enzyme to detection of penicillin sodium by a colorimetric method. According to the preparation method, PVP-K30 and metal chlorate are taken as initial raw materials, deionized water is taken as a solvent environment, and the iron-doped copper nanocluster nanoenzyme is prepared through oil bath heating synthesis and dialysis purification. When 3, 3 ', 5, 5'-tetramethyl benzidine-hydrogen peroxide reaction is catalyzed by the nano-enzyme, the nano-enzyme is found to have an excellent peroxidase simulation effect, and rapid colorimetric detection of penicillin sodium is realized. The nano-enzyme provides an important thought for the development of novel nano-enzymes, and has a potential application value for the detection of antibiotics in a complex matrix.

The invention relates to the technical field of environmental remediation, in particular to an in-situ soil perfluorinated compound remediation method and system.The method comprises the following steps that electrochemical targeted enrichment is conducted, applying a pulse type direct-current electric field to the anode and the cathode to drive anionic PFAS in the soil to migrate and enrich towards an anode area; in the anode area, the temperature of anode soil is increased, composite peroxide and a chemical activator are continuously injected, and perfluorinated compounds enriched in the anode are oxidized and degraded; and microbial polishing and ecological restoration: stopping the electric field, carrying out post-treatment on the anode region, adding a microbial agent and a nutritional agent into the anode region, and carrying out biodegradation on residual perfluorinated compounds or degradation intermediate products thereof. Through systematic design of physical field guidance, targeted energy injection, multiple catalytic oxidation and ecological function reconstruction, in-situ soil treatment is achieved, and the core problem in PFAS in-situ remediation is precisely solved.

The invention discloses a preparation process of carboxylated shell-based activated carbon for organic matter adsorption, and particularly relates to the technical field of adsorption materials, and the preparation process comprises the following steps: mixing coconut shell powder and walnut shell powder, crushing, and loading potassium hydroxide in stages in a gradient manner; carrying out two-stage microwave activation in an inert atmosphere, namely low-temperature pre-activation in the first stage and high-temperature activation in the second stage, and introducing carbon dioxide; the activated product, phosphoric acid, a laccase-peroxidase complex enzyme preparation and a buffer solution are subjected to ultrasonic synergistic modification, and then a weak acid reaction is maintained through dynamic pH regulation and control; and finally, performing graded washing and gradient drying to obtain a finished product. According to the method, high-density carboxyl grafting and graded pore construction are synchronously realized under mild conditions through a synergistic effect of directional catalysis of biological enzyme and dynamic regulation of microwave, so that the problems of structural damage caused by strong acid corrosion, pore imbalance caused by fixed parameters and stability reduction caused by insufficient post-treatment in a traditional process are solved; the adsorption performance and the regeneration cycle performance of the material are also obviously improved.

The invention discloses a tooth whitening gel and a preparation method thereof. The tooth whitening gel comprises the following components in percentage by mass: 5%-25% of a film-forming agent, 0.1%-15% of peroxide, 0.1%-15% of a regulator and 45%-94.8% of a volatile solvent, the film-forming agent is modified ethyl cellulose, and the preparation method comprises the step of treating ethyl cellulose by adopting one or more of irradiation, illumination, oxidation, heating, mechanical pulverization and grinding to obtain the modified ethyl cellulose. The preparation method of the tooth whitening gel comprises the step of uniformly mixing the raw materials including the film-forming agent, the peroxide, the regulator and the volatile solvent to obtain the tooth whitening gel. The tooth whitening gel provided by the invention can be ensured not to be dissolved by saliva after being smeared on teeth, and can be ensured to be completely removed when being removed.

The invention discloses nano-enzyme coating recombinant probiotics as well as a preparation method and application thereof, and belongs to the technical field of biotechnology and nano medicine. According to the invention, engineered Escherichia coli Nissle 1917 (ECN (DE3)) is taken as a host, and glutathione peroxidase (GPX) and glutathione reductase (GR) genes are over-expressed through a genetic engineering means, so that an efficient antioxidant enzyme system is constructed. And sequentially modifying chitosan and cerium dioxide nano-enzyme (CNP) on the surfaces of the thalli by using an electrostatic layer-by-layer self-assembly technology to form a protective coating. The nano-enzyme coating significantly improves the survival rate of the recombinant probiotics in severe environments such as simulated gastric acid (pH 2.5) and bile salt (0.3%), and enhances the ability of the recombinant probiotics to remove reactive oxygen species (ROS), including hydrogen peroxide, superoxide anions, hydroxyl free radicals and DPPH free radicals.

The invention belongs to the technical field of photoacoustic response antibacterial dressings, and discloses PDA (at) Ag (at) Ag2S / SA / F68 / F127 antibacterial temperature-sensitive hydrogel as well as a preparation method and application thereof.The PDA (at) Ag (at) Ag2S / SA / F68 / F127 antibacterial temperature-sensitive hydrogel can complete conversion of gel and sol under the condition of 4-60 DEG C, PDA (at) Ag (at) Ag2S nano-enzyme is constructed by means of an in-situ growth method, a PDA (at) Ag (at) Ag2S nano-composite material can generate electron-hole pairs under photoacoustic combination, then reactive oxygen species (ROS) is generated, and the antibacterial temperature-sensitive hydrogel can be used for preparing antibacterial temperature-sensitive hydrogel. The photoacoustic response antibacterial effect is realized. Meanwhile, PDA (at) Ag (at) Ag2S has peroxidase (POD)-like activity, and the material can catalyze endogenous hydrogen peroxide (H2O2) in a common wound microenvironment with the pH value of 7-8 to generate reactive oxygen species (ROS) with high toxicity, such as hydroxyl free radicals (. OH), so that efficient killing of various bacteria under photoacoustic combination is realized. Synthesis conditions are mild, and the process is simple, economical and feasible. The hydrogel has thermosensitivity, can resist inflammation, stop bleeding and relieve wound pain, does not loosen after absorbing seepage, is free of residues and does not adhere to a wound surface when being removed, and a new way is provided for developing novel medical dressings for treating drug-resistant bacterial infection wounds.

The invention provides high-weather-resistance and anti-aging silicone rubber and a preparation method and application thereof.The high-weather-resistance and anti-aging silicone rubber is prepared from, by mass, 100 parts of methyl vinyl silicone rubber, 30-60 parts of white carbon black, 6-8 parts of an alkyl silane coupling agent, 0.5-2 parts of a hindered amine silane coupling agent, 0.5-2 parts of a vinyl silane coupling agent and 3-5 parts of vinyl MQ silicone resin. 1-1.5 parts of vinyl hydroxyl silicone oil; 1-3 parts of organic peroxide; wherein the hindered amine silane coupling agent is obtained by reacting hindered amine with an isocyanate silane coupling agent. Through the formula design, the excellent toughness of the silicone rubber can be maintained, and meanwhile, the long-term weather resistance and the mechanical property retention rate of the material under ultraviolet radiation and humid and hot conditions can be remarkably improved.

The invention discloses a synthetic method of a lubricating oil detergent. The synthesis method is characterized by comprising the following steps: mixing sulfurized alkylphenate with a solvent to form a uniform mixture; a peroxide is added to the uniform mixture, and the addition amount of the peroxide is 0.005-0.20 parts by mass relative to 1 part by mass of the sulfurized alkylphenate; reacting for 3-8 hours at the temperature of 50-200 DEG C; and after the reaction is finished, filtering and distilling to remove the solvent to obtain the sulfurized alkylphenol salt with reduced content of free alkylphenol. The lubricating oil detergent obtained by the synthetic method of the lubricating oil detergent is low in free alkylphenol content, and the product performance is improved.

The invention provides a preparation method and drug detection application of ZIF-8-Fe metal organic framework nano-enzyme, the ZIF-8-Fe metal organic framework nano-enzyme is prepared by adopting a heating reflux method, and peroxidase-like activity and drug detection application of the ZIF-8-Fe metal organic framework nano-enzyme are researched. In the presence of H2O2, the material can catalytically oxidize TMB to generate a blue product and shows good peroxidase activity, and through optimization experiments, proper reaction temperature and pH buffer system and optimal concentrations of ZIF-8-Fe, TMB and H2O2 are determined. Kinetic analysis shows that the affinity of TMB is superior to that of natural HRP, and a colorimetric detection method is established based on the inhibition effect of TC on the catalytic reaction. The method disclosed by the invention is reasonable in linear range, relatively low in detection limit and good in sample recovery rate and relative standard deviation performance, can be used for detecting tetracycline tablets, and shows a potential application value of the ZIF-8-Fe nano-enzyme in the field of drug detection.

The invention relates to the technical field of nano-enzymes, and discloses a copper-based nano-enzyme with laccase and peroxidase double-enzyme activity and preparation and application thereof, and the copper-based nano-enzyme is a nano-material prepared by forming MOF through solvothermal reaction of copper ions and diamino terephthalic acid and then performing electrostatic adsorption on the MOF and polyoxometallate. The copper-based nano enzyme has high-efficiency laccase-like activity and peroxidase-like activity at the same time through the combination and synthesis process of the copper ion cluster and the organic ligand. The invention further discloses a preparation method of the copper-based nano-enzyme, peroxidase activity detection and application of the copper-based nano-enzyme to degradation and determination of dichlorophenol. The copper-based nano-enzyme provided by the invention has high catalytic activity and stability, is low in cost and easy to prepare, and can be applied to biosensing detection of hydrogen peroxide and environmental remediation degradation of organic pollutants such as phenols and dyes.

The invention discloses a durable corrosion-resistant water-stop belt and a preparation method thereof, and relates to the technical field of compositions containing polyisobutene high-molecular compounds. The durable corrosion-resistant water-stop belt is prepared from the following raw materials in parts by mass: 30 to 60 parts of ethylene propylene diene monomer, 20 to 40 parts of polyisobutene, 20 to 50 parts of filler, 0.5 to 3 parts of antioxidant, 0.5 to 3 parts of anti-aging agent, 1 to 5 parts of peroxide cross-linking agent and 1 to 10 parts of processing aid. Through the synergistic effect of the specific anti-aging agent and the antioxidant, photo-oxidative aging and thermo-oxidative aging of the material are effectively inhibited. The anti-aging agent absorbs ultraviolet rays and converts the ultraviolet rays into heat energy to prevent the ultraviolet rays from damaging polymer chains; and the antioxidant delays oxidative degradation. The two layers form double protective barriers, so that the service life of the waterstop is greatly prolonged, and the performance attenuation trend is slowed down. Through material innovation (anti-aging agent + PBS + EPDM) and process optimization (segmented mixing / cooling), three core advantages of prolonging the service life, strengthening corrosion resistance and improving construction convenience are synchronously realized.

The invention relates to a new and improved process for making an epoxidized olefin, specifically, polyisobutylene epoxide. The inventive process generally comprises (a) combining a polyisobutylene and a solvent to form a first mixture, (b) combining a peroxide, a carboxylic acid and an acid catalyst to form a second mixture, (c) reacting the first and second mixtures forming a non-aqueous phase comprising a polyisobutylene epoxide and an aqueous phase; (d) separating the non-aqueous phase from the aqueous phase; (d) washing and neutralizing the non-aqueous phase, and (e) recovering in a high yield and high purity polyisobutylene epoxide. It was discovered that specific mole ratios and amounts of reactants provide for recovering in high yield and purity polyisobutylene epoxide with reduced detrimental by-products.

The application discloses a kind of bifunctional thick oil catalytic viscosity reduction system and viscosity reduction method, bifunctional thick oil catalytic viscosity reduction system is adjusted to be the catalytic-emulsion composite viscosity reduction system of mixed catalyst, oxidizing agent after using surfactant, wherein, catalyst is amphiphilic TM / C-NH2 Nanoparticle, the oxidizing agent is organic peroxide.Catalytic-emulsion composite viscosity reduction system is mixed with thick oil and heated to reservoir environmental temperature reaction after, reaction is completed after finishing to thick oil viscosity reduction.The application is configured into the catalytic-emulsion composite viscosity reduction system of water-in-oil by organic peroxide oxidizing agent compound emulsifier, in reservoir environment (50~180 DEG C), using the catalytic oxidation performance of catalyst viscosity reduction system and catalyst and oxidized oil oxygen-containing group adsorption self-assembly function, realize thick oil macromolecule depolymerization and wettability reverse, further improve the viscosity reduction efficiency.

The invention discloses a polyolefin graft modification method based on coating and photochemical reaction, which comprises the following steps: step 1, raw material preparation: mixing 20-50 parts by weight of glycidyl methacrylate (GMA), 1-5 parts by weight of benzophenone (BP) and 1-2 parts by weight of triethylamine (TEA), and uniformly stirring to obtain a mixed solution; 2, coating: coating the surface of a polyolefin film with the mixed solution obtained in the step 1, wherein the coating weight is 1g / m < 2 >-3g / m < 2 >; the method has the beneficial effects that a peroxide initiator is not needed, the reaction is initiated by ultraviolet light, the reaction condition is mild, polyolefin degradation and side reaction are reduced, and the grafting rate is greater than 3.5%; ethyl acetate and other low-toxicity solvents are adopted, residual solvents can be removed through oven treatment, and the environment-friendly requirement is met; active groups such as an epoxy group are introduced into a grafted product, so that the compatibility with a polar material is remarkably improved, and the breaking strength is improved by more than 50% compared with that of common PP; the polyolefine can be used as an interface compatibilizer, a macromolecular coupling agent and the like, and the application of the polyolefine in the high-end field is expanded.

The invention discloses a skid-mounted peroxy low-level radioactive waste incineration treatment device and process. The skid-mounted peroxy low-level radioactive waste incineration treatment device comprises a shell. The incineration assembly is arranged on the inner wall of the shell; the treatment assembly is arranged on the inner wall of the shell and comprises a bag-type dust collector arranged on the inner wall of the shell, a spraying mechanism connected with the inner wall of the bag-type dust collector, a two-stage filter arranged on one side of the shell and a condenser arranged on the inner wall of the shell. Through flue gas purification and condensate water recovery, zero discharge of wastewater is ensured, the filter is prevented from losing efficacy due to accumulation of condensate water, and the operation efficiency and safety of the system are improved.

The present invention relates to the field of fluororubber synthesis, and disclosed is a preparation method for high-fluorine-content low-compression-set peroxide-cured fluororubber. In the method, vinylidene fluoride, tetrafluoroethylene, and hexafluoropropylene are used as mixed monomers to carry out polymerization reaction, wherein during the polymerization reaction, a cure-site monomer is added. By adjusting the composition ratio of the mixed monomers and uniformly and continuously adding the cure-site monomer, peroxide-cured fluororubber having high fluorine content, resistance to new energy battery media, and low compression set is prepared. The peroxide-cured fluororubber prepared by the method provided in the present invention has a fluorine content stably at 70-71%, a compression set stably less than or equal to 20%, a tensile strength of approximately 22 MPa, and an elongation at break greater than 180%. That is, the problem of relatively high compression set of peroxide-cured fluororubber (particularly high-fluorine-content peroxide-cured fluororubber) in new energy battery applications is effectively solved.