21 results about "Organic phosphates" patented technology

The application discloses a limiting distribution model for predicting accumulation of organic phosphates (OPEs) in rice grains and a construction method thereof, and belongs to the technical field of environmental pollutant migration prediction and agricultural safety. The model is based on the limiting distribution theory, systematically identifies four key links (soil-root absorption, root-stalk transportation, stalk-leaf distribution and leaf-grain migration) of OPEs migration from soil to rice grains and limiting factors of each link, realizes accurate prediction of grain accumulation under different OPEs, different environmental conditions and different rice varieties by quantifying and integrating distribution coefficients of each link. The application calibrates distribution coefficient equations of each link by measuring physical and chemical parameters of OPEs, soil environmental parameters, rice physiological parameters and in-vivo distribution data, the relative error of model prediction is less than or equal to 15%, the model can be applied to farmland OPEs pollution risk assessment, optimization of prevention and control measures and food safety early warning, and has the advantages of strong universality, simple operation and accurate prediction.

The invention discloses a graphene oxide corrosion inhibitor and a preparation method thereof. The corrosion inhibitor is prepared by reacting graphene oxide with an organophosphorus corrosion inhibitor. The preparation method comprises the following steps: dispersing graphene oxide in a solvent; adding an organophosphorus corrosion inhibitor to carry out amination reaction; and filtering, washing, drying and grinding. According to the graphite oxide corrosion inhibitor, organic phosphate is introduced to a base plane, on one hand, the interlayer distance can be increased, the maze effect of graphene oxide is enhanced, on the other hand, the water solubility is improved through phosphate anions, meanwhile, agglomeration of graphene oxide is prevented through the electrostatic repulsion effect between the phosphate anions, and when the corrosion inhibitor is deposited on the surface of metal, the corrosion inhibitor has the good corrosion resistance. And an excellent slow-release effect can be obtained.

The invention discloses a polyphenylene sulfide composite material as well as a preparation method and application thereof, and relates to the technical field of high polymer materials. The invention provides a polyphenylene sulfide composite material. The polyphenylene sulfide composite material comprises the following components in parts by weight: 50-90 parts of PPS resin, 0.3-1.5 parts of a nucleating agent, 0.3-1.5 parts of a silane coupling agent and 10-45 parts of glass fibers, the nucleating agent is a mixture of an organic phosphate nucleating agent and a sorbitol nucleating agent; the melt mass flow rate of the PPS resin is greater than or equal to 200g / 10min under the conditions that the test temperature is 316 DEG C and the load is 5kg according to ISO 1133-2022. According to the invention, through selection of components such as the specific nucleating agent, the PPS composite material with high laser transmittance and high welding strength under high crystallinity is prepared.

This invention discloses a compound modified masterbatch for improving the heat-sealing strength of PLA tea bags and its preparation method, belonging to the field of polymer materials technology. By weight, it comprises the following components: 35-50 parts polylactic acid carrier; 18-28 parts toughening agent; 3-8 parts composite nucleating agent; 1-4 parts crystallization promoter; 2-5 parts interface compatibilizer; and 0.5-2 parts antioxidant. The toughening agent is a blend of polybutylene adipate-terephthalate and polybutylene succinate in a mass ratio of (1.5-2.5):1. The composite nucleating agent is composed of an organophosphate nucleating agent and an acylhydrazine compound in a mass ratio of 1:(0.8-1.5). This invention systematically improves the heat-sealing strength of PLA tea bags from three dimensions—toughening, nucleation, and promotion—from the perspectives of interfacial adhesion, crystal structure, and molecular motion, overcoming the limitations of single modification methods.

The present invention provides a diluent for synthetic fiber treatment agent capable of reducing fluff. The diluent must contain a smoothing agent (L), a nonionic surfactant (N), and a straight-chain hydrocarbon (P) having 11 to 14 carbon atoms, and at least one selected from an oil film enhancer (H), an organic sulfonate (AS), an organic phosphate (AP), an oxirane adduct of an organic amine (RA), a low viscosity diluent (D), and an antioxidant (E), the straight-chain hydrocarbon (P) must contain a straight-chain hydrocarbon having 13 carbon atoms and a straight-chain hydrocarbon having 14 carbon atoms, the straight-chain hydrocarbon (P) optionally contains a straight-chain hydrocarbon having 11 carbon atoms and / or a straight-chain hydrocarbon having 12 carbon atoms, the straight-chain hydrocarbon (P) satisfies the following formula (1), and the straight-chain hydrocarbon (P) has a weight ratio of 8 to 50% in the diluent for synthetic fiber treatment agent. 1 < weight % of straight-chain hydrocarbon having 13 carbon atoms / weight % of straight-chain hydrocarbon having 14 carbon atoms < 10 (1).

The invention belongs to the technical field of pollutant detection and environmental protection, and discloses a drainage basin water environment organophosphate pollution health risk assessment management and control method and system, and the method comprises the steps: S1, biomarker screening; s2, constructing a dynamically associated drainage basin water environment health risk management and control evaluation model; s3, collecting multi-medium samples at multiple points; s4, detecting the sample and acquiring concentration data; and S5, performing drainage basin water environment health risk management and control assessment. According to the embodiments of the invention, through software and hardware combination, multi-medium and multi-model combination, on the basis of screened biomarkers, simplified characteristic parameters and concentration detection data, dynamically associated drainage basin water environment health risk management and control evaluation analysis is supported, a result with high credibility can be obtained, four links of sampling, detection, analysis and early warning are greatly simplified, and the reliability of the system is improved. Fund, labor, instruments, consumables and time required by administrative supervision are greatly reduced, and large-scale, large-range and low-cost popularization and application are facilitated.

The invention relates to a V-W type active liquid auxiliary agent with high stability and a preparation method thereof, and the V-W type active liquid auxiliary agent comprises the following components by mass: 1-10% of ammonium metavanadate; 1 to 10% of ammonium metatungstate; 1-15% of oxalic acid; 0.4-1% of an organic chelating agent, and the balance being deionized water. The organic chelating agent is one or a mixture of organic phosphate or organic carboxylate; the ratio of the organic phosphate to the organic carboxylate ranges from 1: 8 to 5: 1; according to the method, the material cost is low, and under the same active liquid concentration, if the hydrolysis rate of the active liquid is about equal to 0, only the proportion of the organic chelating agent in the method needs to be increased to 0.4% or above; in addition, the active liquid has high stability, after the organic chelating agent is added, the stable period of the active liquid can be maintained for a long time, and no hydrolysate is generated even if the active liquid is stored for a long time.

The invention relates to the technical field of luminescent materials, in particular to an organic-phosphate hybrid afterglow luminescent material with visible light excitation performance as well as a preparation method and application of the organic-phosphate hybrid afterglow luminescent material. The organic-phosphate hybrid afterglow luminescent material is prepared by mixing phosphate and fluorescein or a derivative thereof, heating, and cooling to room temperature. The preparation method is simple to operate, and the obtained afterglow composite material is excellent in luminescence property. The luminescent material can be used as a temperature sensing label, a characteristic luminescent material in latent fingerprint imaging identification or biological tissue (such as muscular tissue or gastric mucosa) imaging identification process.

The present invention relates to the technical field of preparation of polyethylene modified materials. Disclosed are a modifying additive and a polyethylene modified material composition, a polyethylene modified material, and a preparation method therefor and a use thereof. The modifying additive is an organic compound and / or an inorganic substance. The lengths of the modifying additive in the x, y, and z directions in three‑dimensional space do not exceed 200 μm, and the melting point of the modifying additive is greater than or equal to 139.0°C. The organic compound is selected from one or more of sorbitol benzylidene derivatives, aliphatic carboxylic acid metal compounds, aromatic carboxylic acid metal compounds, organic phosphates, lignic acids and derivatives thereof. The inorganic substance is selected from one or more of metals, non-metal solid oxides, and non-metal elemental substances. By using the modifying additive, the viscosity of the polyethylene modified material during flow-field processing can be reduced, and the molecular weight distribution thereof can be utilized to improve the degree of orientation, thereby enhancing the lateral impact resistance of a final product.

The invention belongs to the technical field of pollutant detection and environmental protection, and discloses a drainage basin water environment organophosphate pollution ecological risk assessment monitoring method and system, and the method comprises the steps: S1, biomarker screening; s2, constructing a dynamically associated watershed water environment ecological risk assessment model; s3, collecting multi-medium samples at multiple points; s4, detecting the sample and acquiring concentration data; and S5, evaluating and monitoring the ecological risk of the water environment in the drainage basin. Through software and hardware combination, multi-medium and multi-model combination, based on screened biomarkers, simplified characteristic parameters and concentration detection data, dynamically associated drainage basin water environment ecological risk assessment analysis is supported, a result with high credibility can be obtained, four links of sampling, detection, analysis and early warning are greatly simplified, and the reliability of the system is improved. The expenditure, labor, instruments, consumables and time required by administrative supervision are greatly reduced, and large-scale, large-range and low-cost popularization and application are facilitated.

The present invention relates to a non-aromatic asymmetric mono(2-cyanoethyl)triorganophosphonium salt, its synthesis process and its use as an electrolyte compound, as a lubricant and lubricant additive, as a gas capture agent, as a solvent for catalysis and as a surface modification agent by Chemie Click.

The application relates to the technical field of medical packaging materials, and particularly discloses a high-temperature and high-pressure resistant modified polypropylene resin, a preparation method thereof and a vaccine bottle processed by using the same. The high-temperature and high-pressure resistant modified polypropylene resin is mainly made of the following raw materials: polypropylene resin, hydrogenated styrene-butadiene-styrene block copolymer, modified nano montmorillonite, organic phosphate nucleating agent, calcium stearate, hindered phenolic antioxidant and phosphite antioxidant. The modified nano montmorillonite is obtained by treating nano montmorillonite with 3-(methacryloyloxy)propyl trimethoxysilane, maleic anhydride, glycidyl methacrylate and dodecafluoroheptyl methacrylate. The modified polypropylene resin has the characteristics of high tensile strength, high impact strength, high heat resistance and high barrier property, can meet the high-temperature sterilization requirement of 121 DEG C for 30 min, and the vaccine bottle does not soften, deform or collapse during high-temperature sterilization, and the sealing integrity is maintained.

The invention relates to the field of road engineering, in particular to a direct-vat warm-mixing flame-retardant SBS asphalt modifier as well as a preparation method and application thereof. The modifier comprises 40-60 parts of a polystyrene branched polymer, a cross-linking agent accounting for 0.2-0.4% of the weight of the polymer, 10-20 parts of biodiesel and 10-20 parts of a composite flame retardant. Wherein the molecular weight of the polystyrene branched polymer is preferably 100,000-150,000, and the polystyrene branched polymer is prepared by introducing a branched structure into a linear styrene-butadiene-styrene block copolymer; the biodiesel takes waste animal or vegetable fat as a raw material; the composite flame retardant contains 30%-50% of an organic phosphate flame retardant and 50%-70% of an inorganic flame retardant. The modifier can be directly added into an asphalt mixture mixing pot, can reduce the production and construction temperature by 20-30 DEG C, improves the high-temperature rut resistance and low-temperature crack resistance of asphalt, is flame-retardant, free of toxic and corrosive gases, low in cost and simple in process, and is suitable for pavement of asphalt pavements of highway tunnels.

The application relates to the technical field of building materials, and particularly discloses a steel slag asphalt concrete anti-stripping agent and a preparation method thereof. The steel slag asphalt concrete anti-stripping agent comprises the following raw materials: an organic amine modifier, an organic phosphate, a silane coupling agent, nano silicon dioxide, a complexing agent, a polyhydric alcohol ester and inorganic mineral micro powder. The preparation method of the anti-stripping agent is as follows: deionized water is added into a reaction kettle, the organic phosphate, the complexing agent and the polyhydric alcohol ester are sequentially added, and stirring is uniformly carried out to obtain a mixed solution; the silane coupling agent is added into the mixed solution and uniformly stirred, then the nano silicon dioxide and the inorganic mineral micro powder are added, and stirring is continuously carried out; the organic amine modifier is added, constant-temperature reaction is carried out, after the reaction is completed, cooling is carried out to room temperature, filtration is carried out, drying is carried out, and the steel slag asphalt concrete anti-stripping agent is obtained. The anti-stripping agent has good bonding performance, good water immersion Marshall residual stability, a large freeze-thaw splitting tensile strength ratio, and excellent high-temperature stability and low-temperature anti-cracking performance.

Corrosion inhibitor compositions are provided that can include a mixture of one or more alkaline earth metals, one or more organic phosphates, one or more inorganic phosphates, optionally a dispersant, and hydroxyphosphono acetic acid and / or salts thereof and / or derivatives of hydroxyphosphono acetic acid and / or salts thereof. Methods of mitigating or inhibiting corrosion of metal surfaces are also disclosed. The methods can include the steps of adding a corrosion inhibitor composition as described in the present disclosure to a medium in contact with the metal surface and optionally to the metal surface before it is contacted by the medium.

The invention discloses a chelating agent for waste incineration treatment. The chelating agent comprises the following components in percentage by mass: 35-65% of a chitosan derivative, 20-40% of organic phosphate and 10-25% of metal chloride. The invention also discloses a preparation method of the chelating agent. The preparation method comprises the following steps: (1) a pretreatment stage: carrying out vacuum drying on the chitosan derivative at 40-60 DEG C for 2-4 hours; (2) mixing reaction stage: carrying out first stirring reaction on the pretreated chitosan derivative and organic phosphate under the condition that the pH is 5.8-6.5, controlling the reaction temperature to be 55-65 DEG C, and controlling the reaction time to be 1-2 hours; and (3) a post-treatment stage: adding a metal chloride solution at intervals for three times at an interval of 15-25 minutes, and finally carrying out ultrasonic treatment for 20-40 minutes at an ultrasonic frequency of 28-40 kHz. According to the chelating agent provided by the invention, chitosan-metal-phosphate-heavy metal three-dimensional mesh gel is formed through reaction of three components, namely the chitosan derivative, the organic phosphate and the metal chloride, and the obtained chelating agent has an extremely high metal leaching rate when being used for fly ash treatment.

The invention discloses a hydrophilic implant and a preparation method thereof, and belongs to the technical field of implants. The hydrophilic implant comprises an implant body, a zinc titanate layer and an organic-inorganic composite coating from inside to outside, the organic-inorganic composite coating is prepared from the following raw materials in parts by mass: 50 to 70 parts of citric acid modified hydroxyapatite, 10 to 15 parts of histidine grafted hydroxyethyl methylacrylate prepolymer, 5 to 10 parts of organic phosphate and 1 to 3 parts of photoinitiator LAP. Zinc titanate is subjected to magnetron sputtering on the surface of the implant, then the zinc titanate is used as a binding matrix to bridge a hydrophilic organic-inorganic composite coating, citric acid modified hydroxyapatite is added and mixed, the strength of the coating is improved, the coating participates in a cross-linking curing reaction of the coating, histidine grafted hydroxyethyl methylacrylate prepolymer and organic polyphosphate in the coating are chelated with zinc titanate, and the coating has a good anti-aging effect. And meanwhile, the binding force is strong, and the coating stability is good.

Compared with the prior art, a positive plate and a negative plate of the manganese capture efficient power battery are used for storing and releasing lithium ions, a non-woven fabric-based solid electrolyte layer is used for ion transmission, an organic phosphate layer is used for capturing manganese ions and enhancing the stability of the battery, and a conductive carbon layer is used for rapid transmission of electrons; wherein the positive plate, the non-woven fabric-based solid electrolyte layer, the organic phosphate layer, the conductive carbon layer and the negative plate are stacked in sequence, and through the structural design, the performance of the battery is greatly optimized.

The invention belongs to the technical field of food safety detection, and particularly relates to a method for detecting the migration volume of organophosphate in a food contact material, which comprises the following steps: S1, respectively preparing a food simulant, standard stock solutions A1-An and a sample; s2, diluting the standard stock solution with methanol to prepare a mixed standard intermediate solution B, and then obtaining six standard working solution series; s3, a sample is selected for a migration experiment, a soaking solution is obtained, the volume V1 of the food simulant, the contact area S1 of the sample and the food simulant, the contact area S2 of the sample and the food in actual use and the volume or mass V2 of the sample in contact with the food in actual use are recorded, and a solution to be detected is obtained; s4, a blank soaking solution is obtained according to the mode in the step S3; s5, carrying out ultra-high performance liquid chromatography-mass spectrometry determination on the to-be-determined solution and the blank soaking solution to obtain the concentration C of organophosphate in the to-be-determined solution and the concentration C0 in the blank soaking solution; and S6, calculating the migration volume X1 of the n organic phosphate esters.

The application relates to the technical field of concrete, and specifically discloses high-performance anticorrosive concrete for ocean engineering and a preparation method thereof. The concrete disclosed by the application comprises the following components: 7000-8000 parts of sulphoaluminate cement, 1400-2000 parts of gravel, 1200-1800 parts of fly ash, 1000-1400 parts of silica ash, 200-300 parts of corrosion-resistant functional additives, 100-200 parts of reinforcing materials, 10-20 parts of water reducing agents, 4-10 parts of retarders and 3000-4000 parts of water; the corrosion-resistant functional additives are composed of calcium nitrite, vinyl ester resin and organic phosphate; and the reinforcing materials are obtained by modifying basalt fibers with zinc salt, aluminum salt and silane. The above technical scheme improves the chloride ion penetration resistance and sulphate corrosion resistance of the concrete, and enhances the structural stability and service life of the concrete in the marine environment.