23results about How to "Not easy to decompose" patented technology

The present application relates to the technical field of pesticides, in particular to a kind of pesticide composition, preparation, use and method, the pesticide composition includes the active ingredient A and active ingredient B with mass ratio of 1: (10-50), the active ingredient A is p-chlorophenoxyacetic acid or its agronomically acceptable salt, the active ingredient B is ethylene.The present application is by p-chlorophenoxyacetic acid (or its salt) and ethylene is compounded according to specific proportion with specific application concentration is applied, reaches the effect of controlling vigorous, inhibiting ear germination and increasing yield, alleviates the negative influence of growth inhibition to root system and young ear development caused by ethylene as the vigorous controller is used and the side effect of early decline and yield reduction caused by as ear germination inhibitor is used;Meanwhile, the pesticide preparation provided by the present application is soluble concentrate, and has high efficacy, strong penetration, convenient use, good safety, and the active ingredient is not easy to decompose, and the physical and chemical properties are stable.

The utility model relates to the technical field of downhole geophysical prospecting, specifically a kind of instrument shock absorption type storage device for downhole geophysical prospecting. Including: storage component, the storage component includes box, lid, storage, shock pad and sealing element, the lid rotationally connected on box, storage is set to the inside of box, shock pad is fixedly connected at the bottom of box, the sealing element is set to the outside of box;Protective component, the protective component is set to the inside of box and lid, and protective component includes buffer, foam pad, magic tape, limiting piece and pull rope, buffer is set to the inside of storage, foam pad is set to the inside of box and lid, magic tape is set to the outside of foam pad, limiting piece and pull rope are all set to the outside of buffer. The utility model can avoid that instrument is extruded harm, utilizes lining bushing and is wrapped with instrument protection, can reduce the impact force from each direction, improves the protection effect to instrument.

The invention discloses a water-swelling elastic plugging agent for a water-based drilling fluid and a preparation method of the water-swelling elastic plugging agent. The water-swelling elastic plugging agent comprises the following components in parts by weight: 100 parts of a polyolefin elastomer matrix material; 15 to 20 parts of a reinforced matrix material; 0.8 to 1.5 parts of a polyolefin elastomer matrix material cross-linking agent; 8 parts to 15 parts of a reinforcing agent A; 20 to 30 parts of a reinforcing agent B; 15 to 30 parts of super absorbent resin; 15 to 20 parts of a plasticizer; 0.2 to 0.8 part of an isolating agent; 0.5 to 1 part of an anti-aging agent; the plugging agent provided by the invention is simple in preparation process, not only is beneficial to industrial production, but also is convenient to prepare plugging slurry on site, can achieve a good plugging effect, and provides an effective technical means for well leakage treatment.

The application discloses a kind of corrosion-resistant anti-aging plastic packaging barrels and preparation method thereof, belong to plastic product processing technical field, to solve the technical problems that corrosion resistance and anti-aging performance of plastic packaging barrel in prior art need to be further improved, specifically including the following raw material composition by portion: 60-70 parts modified silicone, 3-5 parts modified aging-resistant filler, 8-12 parts polypropylene, 12-18 parts maleic anhydride grafted polypropylene and 3-5 parts auxiliary additive, the application is that polypropylene, maleic anhydride grafted polypropylene, modified silicone, modified aging-resistant filler and auxiliary additive are added into double-screw melt extruder, melt extrusion, injection mold, obtain plastic packaging barrel, not only improve its corrosion resistance and anti-aging performance, also improve its mechanical properties.

The invention discloses a high-temperature fire-resistant heat-insulation carbon fiber composite material which comprises the following components in parts by weight: 35-50 parts of wollastonite-feldspar composite powder, 25-35 parts of modified porous mullite aggregate, 12-20 parts of calcium aluminate cement, 2-8 parts of modified short carbon fibers, 1.5-2.5 parts of sodium dodecyl benzene sulfonate and 1-2 parts of sodium tripolyphosphate. The preparation method comprises the following steps: S1, weighing the wollastonite-feldspar composite powder, the modified porous mullite aggregate, the calcium aluminate cement and the modified short carbon fibers in proportion, and carrying out dry mixing; s2, adding water into sodium dodecyl benzene sulfonate and sodium tripolyphosphate, and stirring to obtain an auxiliary agent aqueous solution; s3, adding the auxiliary agent aqueous solution into the dry powder mixture, and stirring; s4, transferring the slurry into a mold for hydraulic forming; s5, the formed blank is subjected to curing, demolding, drying, high-temperature sintering and cooling, and the high-temperature fire-resistant heat-insulation carbon fiber composite material is obtained. The fire-resistant and heat-insulating carbon fiber composite material produced by the invention can improve the high temperature resistance and compression strength.

The application relates to the technical field of lubricating oil, and particularly discloses a high-temperature-resistant and high-friction-reducing lubricating oil and a preparation method thereof. The lubricating oil comprises the following components: 35-45 parts of poly-alpha-olefin, 10-15 parts of methyl ricinoleate, 20-30 parts of pentaerythritol tetraoleate, 15-20 parts of hydrogenated base oil, 0.1-0.2 parts of modified graphene oxide, 0.8-1.5 parts of extreme-pressure anti-wear agent, 0.5-1 part of detergent, 0.3-0.5 part of antioxidant, 0.2-0.3 part of dispersant, 0.5-0.8 part of viscosity index improver, 0.1-0.2 part of rust inhibitor and 0.01-0.05 part of antifoaming agent. The application realizes cost reduction and emission reduction by compounding multiple base oils, guaranteeing the stability of the system through multi-component synergy and replacing part of the base oil with plant-based base oil. The modified graphene oxide significantly reduces wear through physical friction reduction and chemical anti-wear synergy, quickly discharges accumulated heat and prolongs the service life at high temperature.

This invention relates to the field of electrode technology, and more particularly to symmetrical composite electrodes, their preparation methods, and applications. This invention utilizes a one-pot method for self-assembly of doped cubic lanthanum ferrite-based perovskite oxide and doped cubic fluorite-type cerium oxide, followed by in-situ precipitation of doped metal nanoparticles. The chemical formula of the doped cubic lanthanum ferrite-based perovskite is (La... 0.5 Sr 0.5 )[(Fe 0.9 Nb 0.1 ) 1.0‑x M x ]O 3‑δ The chemical formula of doped fluorite-type cerium oxide is Gd. 0.075 Ce 0.925‑y M y O 2‑δ The doped metal nanoparticles are elemental M. When a reducing gas is introduced, the metal nanoparticles M precipitate in situ. This heterogeneous structure of the metal particles is tightly bonded to the composite electrode material, exhibiting good dispersion, and the embedded structure ensures excellent electrode stability. As a symmetrical electrode for SOEC, this invention achieves superior catalytic activity for carbon dioxide reduction and methanol oxidation.

The invention discloses a hydrogen energy and natural energy heat pump heat supply and refrigeration integrated system and method, and relates to the technical field of hydrogen energy and natural energy heat pump heat supply and refrigeration integration. The heat pump heating module comprises the following steps that S1, carbon dioxide in air is absorbed through a refrigerant or the refrigerant and released into water; the carbon dioxide heat pump is used, and carbon dioxide is a clean refrigerant, has no destructive influence on the environment, is stable in chemical property, non-combustible, not easy to decompose at high temperature, does not generate harmful gas, is non-toxic, reduces threats to people due to leakage, is good in fluidity and has a relatively high evaporation latent heat value; compared with conventional refrigerants, the compression ratio of carbon dioxide is much smaller than that of common refrigerants, high performance coefficient and mechanical efficiency can be achieved, the high condensing temperature enables the exhaust temperature of a compressor to be high, and water at the high temperature can be obtained.

The invention provides a glass fiber reinforced polypropylene material and a preparation method thereof, and belongs to the technical field of propylene copolymers. The preparation method comprises the steps of maleic anhydride copolymer preparation, polypropylene pretreatment, glass fiber pretreatment and blending. The method for preparing the maleic anhydride copolymer comprises the following steps: adding maleic anhydride, styrene and azodiisobutyronitrile into methylbenzene, heating to 70-90 DEG C in a nitrogen environment, stirring and reacting for 1-2 hours at the current temperature, adding glycidyl acrylate, continuously reacting for 30-50 minutes, naturally cooling, filtering, washing and drying to obtain the maleic anhydride copolymer. According to the glass fiber reinforced polypropylene material, the tensile strength is 32-35 MPa, the elongation at break is 71-75%, and after a thermal aging test, the tensile strength is 29-33 MPa, and the elongation at break is 65-70%.

The invention discloses a high-temperature-resistant metal casting demolding coating and a preparation method thereof, and belongs to the technical field of coatings. The components of the coating are optimized, the composite binder formed by compounding the organic binder and the inorganic binder is adopted, and the high-temperature-resistant auxiliary agent composed of the zirconite powder, the corundum powder and the nano cerium oxide is combined, so that the temperature tolerance of the coating is remarkably improved, and the service life of the coating is remarkably prolonged; the added hexagonal boron nitride can form a compact and smooth coating surface, the adhesion between a metal melt and a mold can be effectively reduced by combining the high-temperature-resistant auxiliary agents of different grades and utilizing the filling-supporting-lubricating synergistic effect and synergistic effect of particles of different sizes, and efficient and stable demolding performance is achieved; and the nano aluminum oxide can form chemical bonding with hexagonal boron nitride and the composite binder, so that the interface bonding force is further enhanced, the coating is prevented from being layered and peeled off under high-temperature impact, the thermal impact of molten metal on the mold is effectively buffered, and the service life of the mold is prolonged.

The invention relates to the technical field of high polymer materials, in particular to a low-warpage halogen-free flame-retardant PBT (polybutylene terephthalate) material and a preparation method thereof. According to the invention, the flame-retardant siloxane and the gamma-mercaptopropyltrimethoxysilane are added to modify the low-warpage glass fiber, so that the composite low-warpage glass fiber is obtained. The halogen-free flame retardant is obtained by adding phosphonitrilic chloride trimer, triethylamine, aminopyrazine and acrylamide. Stirring and mixing the PBT resin, the composite low-warpage glass fiber, the inorganic fiber, the halogen-free flame retardant, the thermal initiator azodiisobutyronitrile, the solvent tetrahydrofuran and other raw materials, carrying out stirring reaction, heating to remove the solvent, and carrying out extrusion granulation to obtain a finished product. The finished product prepared by the invention has excellent flame retardance and warping resistance, so that the finished product has a wide application prospect in the technical field of high polymer materials.

The invention relates to the technical field of electrical contact materials, in particular to a SnO2 electrical contact material for a new energy electrical appliance and a preparation method of the SnO2 electrical contact material. The SnO2 electrical contact material comprises 8-15% of tin oxide, 0.5-3% of a composite additive, 0.1-2% of an accelerant and the balance of silver. According to the invention, yttrium ions and chromium ions can be partially dissolved in tin oxide crystal lattices, so that the thermal decomposition reaction of tin oxide at extremely high arc temperature is effectively inhibited, the material loss caused by tin element volatilization is reduced, the second additive generates a high-melting-point composite oxide phase after high-temperature calcination, and the high-melting-point composite oxide phase is uniformly distributed in a silver matrix; as a physical skeleton for resisting arc erosion, the accelerant mainly plays a role in dispersing and interface optimizing, and an interface compound containing zinc, lanthanum, boron and oxygen is formed after the accelerant is calcined, so that the wettability and binding force between tin oxide particles and a silver matrix are improved, uniform distribution of the tin oxide particles is ensured, local overheating and concentrated erosion are avoided, and the service life of the tin oxide particles is prolonged. Therefore, the mass loss of arc ablation is obviously reduced.

The application discloses a thiadiazole derivative and a preparation method and application thereof, and is obtained by the reaction of 2,5-dithiolate thiadiazole and N-halogenated maleimide. Compared with traditional benzothiazole sulfenamide rubber and plastic accelerators, the compound has the advantages of higher accelerating efficiency, better processing safety and anti-vulcanization reversion performance, avoids the use of 2-mercaptobenzothiazole with a bitter taste, and is more friendly to the production environment, and has good market and economic prospects.

The utility model discloses an anti-freezing system for a fluid pipeline, which comprises a heating conductor arranged in the pipeline, the heating conductor is connected with a power switch through a lead, and the signal output end of a temperature and flow speed control display instrument is connected with the power switch through a signal line; a temperature sensor and a flow velocity sensor are installed on the inlet valve body connected with the inlet end of the pipeline, the flow velocity sensor is used for measuring the flow of fluid entering the inlet valve body, and the temperature sensor is used for measuring the temperature of the fluid entering the inlet valve body. And the signal output ends of the temperature sensor and the flow velocity sensor are connected with the signal input end of the temperature and flow velocity control display instrument. The structure is adopted for preheating the interior of the pipeline, it is guaranteed that the pipeline cannot be frozen, and therefore normal use of the pipeline is guaranteed.

The application belongs to the technical field of new energy materials, and specifically discloses a dual-phase solid electrolyte for electrochemical reduction of nitrogen to synthesize ammonia, which comprises the following steps: uniformly mixing and crushing barium nitrate, cerium nitrate, zirconium nitrate and yttrium nitrate, and then pre-sintering to obtain BCZY powder; uniformly mixing and crushing ZrO2 and Y2O3, and then pre-sintering to obtain YSZ powder; uniformly mixing the BCZY powder and the YSZ powder, and then molding into a green body; and sintering the green body at 1400-1500 DEG C for 10-12 h to obtain the dual-phase solid electrolyte BCZY@YSZ. The application also discloses a method for electrochemical reduction of nitrogen to synthesize ammonia by using the dual-phase solid electrolyte as an electrolyte layer. The application can ensure long-term service life and reliability of the electrolyte.

This application relates to the field of bio-based copolyester technology, and discloses a bio-based copolyester, its preparation method, and its applications. The preparation method of the bio-based copolyester includes: prepolymerizing an aliphatic lactone under an inert atmosphere and at a temperature of 160–180°C in the presence of a catalyst to obtain a prepolymer; adding a cyclic butylene terephthalate oligomer to the prepolymer, and then prepolymerizing at 180–200°C; and finally, after vacuuming, heating to 220–250°C for further polymerization to obtain the bio-based copolyester. In this application, the aliphatic lactone is first prepolymerized at a lower temperature through ring-opening; the prepolymer and the cyclic butylene terephthalate oligomer are then mixed uniformly in a liquid state for prepolymerization, followed by final polymerization at a higher temperature; the prepolymerization, prepolymerization, and final polymerization are carried out stepwise at different temperatures to obtain a bio-based copolyester with controllable structure and high molecular weight. The copolyester of this application has a number-average molecular weight of 18,000 to 25,000, and the mechanical properties of the melt-spun fibers are ≥3.00 cN / dtex breaking strength and 20.0 to 50.0% breaking elongation.

This invention discloses a corrosion inhibitor for suppressing corrosion in CO2 flooding oil injection systems, relating to the field of corrosion inhibitor technology. The corrosion inhibitor comprises the following raw materials in parts by weight: 10-30 parts of corrosion inhibitor active ingredient, 2-6 parts of surfactant, and 60-80 parts of solvent. The preparation method of the corrosion inhibitor active ingredient is as follows: thiophene-2,5-dicarboxylic acid, tetraethylenepentamine, and xylene are subjected to dehydration and cyclization reactions sequentially in a reaction vessel, followed by the addition of thiourea. The reaction is carried out at 138-162°C for 5-15 hours to obtain the corrosion inhibitor active ingredient. This invention significantly improves the corrosion inhibition performance of the corrosion inhibitor in CO2 flooding oil injection systems by designing a stable and efficient corrosion inhibitor active ingredient structure and combining it with the synergistic effect mechanism of surfactant.

The application discloses a kind of fire-retardant lignin-based formaldehyde-free adhesive and preparation method thereof, belong to adhesive preparation technical field, for solving in prior art, adhesive bonding strength and flame retardant performance need to be further improved technical problem;The present application is with lignin as main body, sequentially through triazine, phosphonate and nitrogenization modification, introduce nitrogen, phosphorus and polar group, prepare fire-retardant glue precursor, then combine catechol polyol and boric acid reaction generated borate polyol, and the hybrid prepolymer obtained by the action of amino POSS sol and glycerol carbonate, synergistic curing under the action of initiator, construct dense stable crosslinking network, the system has the environmental protection of lignin and the stability of organic-inorganic hybrid material, give adhesive high strength, excellent water resistance and flame retardant performance, and formaldehyde release is zero, suitable for green environmental protection field application.

The invention relates to the technical field of soil remediation, in particular to a cultivated land soil remediation modifier based on waste biomass and a preparation method thereof.The cultivated land soil remediation modifier comprises, by mass, 5-10% of modified biomass, 5-10% of waste biomass and the balance water. 1-5% of a microbial agent; 1-5% of a gel material; 10 to 20% of bentonite; the balance of organic fertilizer; the preparation method comprises the following steps: S1, preparing the rigid matrix; s2, preparing flexible slurry; s3, preparing a cultivated land soil remediation modifier; according to the arable soil remediation modifier, the modified biomass and the bentonite are used as rigid matrixes, the gel material, the microbial agent and the organic fertilizer are used as flexible slurry, and the rigid matrixes are beneficial for breaking hardening and increasing pores; the flexible slurry improves the water retention capacity, can prevent particles from loosening and collapsing in soil when encountering water, and prolongs the action time of the cultivated land soil remediation modifier.

This invention discloses a method for preparing a metal carrier loaded with deaminotyrosine and its application. The preparation method involves first synthesizing Zr-MOFs with specific particle size and structure using ZrOCl2•8H2O, TCPP, and benzoic acid in specific proportions and concentrations, and then reacting them with a certain concentration of deaminotyrosine. DAT@Zr-MOFs are prepared in two steps. The prepared DAT@Zr-MOFs have a high loading of deaminotyrosine and good stability, effectively overcoming the problems of enzymatic hydrolysis and oxidation of deaminotyrosine. They can be used for external application to treat wounds and promote tissue repair.

The invention relates to flame-retardant and high-temperature-resistant polyvinyl chloride and a preparation method thereof, and belongs to the technical field of polyvinyl chloride. The polyvinyl chloride comprises the following components in parts by weight: 100 parts of polyvinyl chloride resin, 12-25 parts of organic silicon-zinc hybrid flame retardant, 2-8 parts of reactive compatibilizer and 5-15 parts of core-shell functional filler. According to the organic silicon-zinc hybrid flame retardant, acrylic acid and aminopropyltrimethoxysilane are subjected to condensation to generate acrylamide silane, then the acrylamide silane is coordinated with zinc acetate to form a crystal structure, and silicon and zinc synergistic flame retardance is achieved; the core-shell functional filler takes zinc hydroxystannate as a core and zinc borate as a shell, and has smoke suppression and catalytic char formation functions; and the reactive compatibilizer is a copolymer containing an epoxy group, so that the interfacial compatibility of the flame retardant and the filler with PVC is improved, the safety performance of the material is improved, and the material is suitable for manufacturing cable sheaths.

The invention belongs to the technical field of light-emitting functional materials and temperature sensing, and particularly relates to a fluorescent temperature sensing material based on a 3d / 4f complex and a preparation method and application of the fluorescent temperature sensing material. The fluorescent temperature sensing material based on the 3d / 4f complex provided by the invention is prepared by taking a Schiff base ligand H2L, samarium nitrate hexahydrate and anhydrous zinc acetate as reaction raw materials through an evaporative crystallization method; the structural formula of the Schiff base ligand H2L is shown in the specification; the molecular structural formula of the fluorescent temperature sensing material based on the 3d / 4f complex is [ZnLSm (CH3OH) (NO3) 2]. The fluorescent temperature sensing material based on the 3d / 4f complex provided by the invention can keep stable in a wide temperature range, has a linear fluorescence intensity ratio, can realize quantitative detection or visual detection of temperature, is high in detection sensitivity, can provide a technical basis and a research and development direction for development of the temperature sensing material, and has a wide application prospect. And the method has excellent application value and prospect.