44 results about "ETHYLHEXYL ACETATE" patented technology

The present application provides a lubricating additive, comprising the following components of the raw material: 20 to 40 parts by weight of an ester compound, the ester compound is selected from one or more of di(2-ethylhexyl) adipate, diisobutyl adipate, diheptyl adipate, diisononyl adipate, diisodecyl adipate, dimethyl sebacate, dibutyl sebacate and di(2-ethylhexyl) sebacate; 5 to 15 parts by weight of a fluorine-containing ion salt, the fluorine-containing ion salt is selected from one or more of lithium di(trifluoromethanesulfonyl)imide, lithium trifluoromethanesulfonate and lithium tetrafluoroborate; 1 to 5 parts by weight of an alkyl phthalate. The lubricating additive has good dispersibility in base oil, and the prepared conductive grease has good electrical conductivity and friction reduction and anti-wear properties. It is used in electrical equipment to have lubrication, friction reduction and antistatic effects, can reduce the failure frequency of equipment, extend the service life of equipment, and improve production efficiency and safety.

The invention relates to a composition comprising (i) more than 0.5 wt.% of a compound according to formula (Ia) or a salt, hydrate, stereoisomer, tautomer or N-oxide thereof, based on the total weight of the composition, and (ii) 4,4ʼ,4ʼʼ-(1,3,5-triazin-2,4,6-triyltriimino)tris-benzoic acid tris(2-ethylhexyl)ester (INCI ethylhexyl triazone).

The application relates to the field of electrochemiluminescence detection, in particular to a preparation method and a detection method of an electrochemiluminescence sensor for detecting di(2-ethylhexyl) phthalate. Technical points are as follows: the electrochemiluminescence aptamer sensor is formed by loading carboxylated ligands on the surface of a Zr-MOF / GDY composite material modified glassy carbon electrode; the Zr-MOF / GDY composite material is formed by electrostatic interaction between Zr-MOF and GDY; and the carboxylated aptamer is an aptamer containing a base sequence of 5'-GGGTAGGGCGGGAAGTTACTGTCTTACTGTC GTA-3'. The recovery effect of DEHP on the ECL signal intensity of the electrochemiluminescence aptamer sensor of the GDY and Zr-MOF composite material is used to realize the detection of DEHP, and the detection method is simple in operation, good in selectivity and high in sensitivity.

A nonwoven, a method for making such a nonwoven, and the use of waste carbon to make such a nonwoven. The nonwoven has a total carbon content (TCC) from which 10% to 100% of the TCC of the nonwoven are derived from waste carbon. The nonwoven meets one or more of the criteria a) to e) by comprising less thana) 5000 μg / kg of iso-Nonylphenolhexaethoxylate;b) 500 μg / kg of iso-Nonylphenol;c) 4.0 ng / kg of Octachlorodibenzodioxin;d) 500 μg / kg of Di-2-ethylhexyl phthalate; and / ore) 25 μg / kg of Napthalene.

The invention discloses a nickel pre-plating additive suitable for a high area and an electroplating method. The invention discloses a cleaning agent, which comprises the following five main functional additives: 10-20 wt% of a surfactant, 10-20 wt% of a brightening agent, 4-8 wt% of a leveling agent, 10-15 wt% of a softening agent, 8-12 wt% of a surface cleaning agent, 1-3 wt% of a wetting agent and the balance of five main functional additives. Wherein the brightener mainly comprises one or a mixture of more of pyridinium propyl sulfobetaine (PPS), a sodium allysulfonate aqueous solution (ALS), trichloroacetaldehyde hydrate (TCA), 1, 4-butynediol (BOZ), pyridinium hydroxy propyl sulfobetaine (PPS-OH) and butynediol ethyl oxide (BEO). The leveling machine mainly comprises one or a mixture of more of pyridinium sulfobetaine (PPS), propargyl alcohol ethyl oxide (PME), propargyl alcohol propoxy compound (PAP), butynediol propoxy compound (BMP), N, N-diethyl propargyl amine formate (PABS) and pyridinium hydroxy propyl sulfobetaine (PPS-OH). The softening agent mainly comprises one or a mixture of more of a sodium allysulfonate aqueous solution (ALS), sodium allysulfonate (SAS), N, N-diethyl propynylamine (DEP) and propinyl-3-sulfopropyl ether sodium salt (POPS). The surface cleaning agent mainly comprises one or a mixture of more of sodium gluconate, sodium benzoate, sodium salicylate, sodium acetate, sodium hypophosphite and 2, 5-dimethyl-3-hexyne-2, 5-diol (HD-M). The wetting agent mainly comprises one or a mixture of more of 2-ethylhexyl sodium sulfate (TC-EHS), sodium dihexyl sulfosuccinate and sodium mono (2-ethylhexyl) sulfate. The corresponding substances are classified according to the characteristics of the additive, and the dispersing capacity of the plating solution is remarkably enhanced by utilizing mutual synergism and combined action of different substances and matching with the formula of the Watt plating solution. Meanwhile, matching is carried out according to the characteristics of the nickel pre-plated steel strip, and the nickel pre-plated steel strip has the advantages of being suitable for a high-current-density interval, adjustable in coating glossiness, good in coating ductility, good in compactness, few in pinhole, few in blue point and the like.

Basalt selectively adsorbs organic toxic materials, such as dioxins, furans, polychlorinated biphenyls (PCBs), bis(2-ethylhexyl)phthalate, arsenic, mercury, chromium, copper, nickel, zinc, cadmium, lead, and the like, from substances such as sediment, which contains water and the toxic materials.

(Solution) Provides a gel-like composition comprising a vinyl chloride-based resin and a plasticizer, which exhibits a gel state at 20°C. The plasticizer is at least one selected from the group consisting of isophthalic acid esters, terephthalic acid esters, fumaric acid esters, acetylicinoleic acid esters, citric acid esters, acetyl citrate esters, adipic acid esters selected from di-2-ethylhexyl adipic acid (DOA) and diisononyl adipic acid (DINA), maleic acid esters and their derivatives, and salts thereof. Provides an electronic device comprising a first electrode and a second electrode, and a polymer layer disposed between the first electrode and the second electrode and comprising the gel-like composition.

An oil-soluble conductive agent and a preparation method therefor. Raw materials for preparing the oil-soluble conductive agent comprise the following components: 20 parts by weight of ethyl caprate or bis(2-ethylhexyl) sebacate, 1.8-2.2 parts by weight of ethyl methyl carbonate, and 2-8 parts by weight of fluorine-containing ion salt; and the fluorine-containing ion salt is selected from one or more of lithium bis(trifluoromethanesulfonyl)imide, lithium trifluoromethanesulfonate, and lithium tetrafluoroborate. The oil-soluble conductive agent is apparently a colorless transparent liquid at 25° C. or higher, and the conductivity at 25° C. reaches 1×10−4 S / cm. The oil-soluble conductive agent can be completely dissolved in a base oil and improve the conductivity thereof, so as to have the effects of arc suppression, being anti-static, cooling, heat transfer, and conduction.

The invention discloses a bacterial strain capable of synchronously degrading DEHP and removing heavy metals and application of the bacterial strain in treatment of a combined polluted environment. The invention provides a serratia marcescens 25S0741-2 strain which is preserved in the Guangdong Microbial Culture Collection Center on June 16, 2025, and the preservation number of the serratia marcescens 25S0741-2 strain is GDMCC (China General Microbiological Culture Collection Center) NO: 66522. The strain has good salt and alkali resistance and high tolerance to DEHP and heavy metal ions, can efficiently degrade di (2-ethylhexyl) phthalate (DEHP) and synchronously remove the heavy metal ions, can also degrade DEHP in a heavy metal stress environment, is suitable for adsorbing and removing the heavy metal ions and degrading DEHP in a coastal saline-alkali environment, and has a wide application prospect. A new strain resource is provided for bioremediation of a combined pollution environment of saline-alkali soil, and a new way is provided for cooperative treatment of heavy metals and organic pollutants.

The invention discloses a preparation system and a preparation method of a low-concentration initiator for polyvinyl chloride production, belongs to the technical field of polyvinyl chloride production, and mainly aims at automatic preparation of an initiator aqueous solution with the mass concentration of 1-2%. The preparation system is composed of a cold pure water storage tank, a hydrogen peroxide storage tank, a chlorinated ester storage tank, a sodium hydroxide storage tank, a dispersant (polyvinyl alcohol) storage tank, a polyethylene glycol storage tank, a neutralizer (citric acid) storage tank and an initiator preparation tank. According to the method, sodium hydroxide, hydrogen peroxide and chlorinated ester are used for synthesizing a di (2-ethylhexyl) peroxydicarbonate initiator (EHP), strong base is used in the reaction process, the system is alkaline, after the reaction is finished, a neutralizer (citric acid) needs to be used for adjusting the pH value to be 3-6, and the stability of the EHP is improved; and the EHP is insoluble in water, so that a dispersing agent (polyvinyl alcohol) needs to be added in the preparation process, the surface tension is reduced, the particle size is controlled, an EHP emulsion is formed, and the catalytic effect of the EHP emulsion in polyvinyl chloride production is improved.

The application discloses a di(2-ethylhexyl) phthalate degrading bacterium, a bacterial composition and application thereof. The degrading bacterium is named Sphingomonas parapaucimobilis GHQ28 and Stenotrophomonas maltophilia GHQ31. Research finds that GHQ28 and GHQ31 have chemotaxis to DEHP and downstream metabolites thereof, and there is a synergistic interaction between the two bacteria; the growth and DEHP degradation speed of the two strains under co-culture conditions are faster than that under single culture conditions. The bacterial composition composed of the two strains has a highest degradation rate of 99.2±0.59% to 400mg / L DEHP within 72h, compared with single culture, the total biomass is increased by 1.4-50.3 times, and the DEHP degradation rate is increased by 1.07-58.82 times. The application provides a new technical means for remediation of DEHP contaminated soil or water.

The invention belongs to the technical field of composite material preparation, and particularly relates to metal organic silicon heat-resistant resin, a preparation method thereof and application of the metal organic silicon heat-resistant resin in silicone rubber. Comprising the following steps: (1) adding diphenyl (3-(triethoxysilyl) propyl) phosphine and methyltriethoxysilane into ethanol, and heating to obtain a mixed solution; and (2) dropwise adding an aqueous solution containing ceric ammonium nitrate, phosphoric acid and (2-ethylhexyl) phosphoric acid mono-2-ethylhexyl ester into the mixed solution obtained in the step (1), reacting, and removing low-pressure to obtain the product. The silicon resin which is doped with high-valence cerium ions and contains a phenyl structure and a phosphorus element is used as a heat-resistant agent of the silicon rubber, so that the compatibility with the silicon rubber is improved, the dispersity is enhanced, and the heat resistance is further improved.

The invention discloses a cassiterite flotation collecting agent and application thereof, and belongs to the technical field of mineral flotation. According to the cassiterite flotation collecting agent, (2-ethylhexyl) phosphate mono-2-ethylhexyl ester is used as the cassiterite flotation collecting agent, the (2-ethylhexyl) phosphate mono-2-ethylhexyl ester contains multi-branched chain alkyl, the surface hydrophobicity of cassiterite is improved by enhancing the adsorption capacity to the cassiterite mineral surface, and the cassiterite flotation collecting agent is obtained. And high-efficiency separation of cassiterite and gangue minerals can be realized under the condition that the pH is neutral or alkalescent. The cassiterite flotation collecting agent used in the method is non-toxic, harmless, green and environmentally friendly, has excellent water solubility, is beneficial to dissolution of the agent in ore pulp, and is high in collecting capacity and selectivity, and the cassiterite concentrate recovery rate is high.

The invention discloses an environment-friendly ilmenite collecting agent and application, relates to the field of mineral collecting agents, and aims at solving the problems that in the prior art, cost is high, agents are complex, and toxic heavy metal is contained. Comprising sodium oleoyl glycinate, sodium heavy alkyl benzene sulfonate, 2-ethylhexyl phosphonic acid mono 2-ethylhexyl ester and sodium fatty acid methyl ester sulfonate. Sodium oleoyl glycinate and sodium heavy alkyl benzene sulfonate cooperate for collecting, and the stable and high-selectivity collecting effect can be achieved; the fatty acid methyl ester sodium sulfonate and the 2-ethylhexyl phosphonic acid mono-2-ethylhexyl ester enhance the collecting effect on target minerals through a co-adsorption principle, a charge compensation principle, a hydrophobic strengthening principle and other mechanisms, the dosage of chemicals is reduced, and the recovery rate and grade of the minerals are further improved; in addition, heavy metal elements such as arsenic are not used, the production process is simple and safe, a high-temperature and high-pressure process is not needed, and the method is beneficial to body health of workers and environment-friendly.

The application discloses a method for removing 2-ethylhexyl 2-ethylhexyl phosphonate from rare earth wet smelting wastewater, which comprises the following steps: 1) adjusting the pH of the rare earth wet smelting wastewater to 10-12 to obtain pretreated wastewater; 2) adding a calcium chloride solution into the pretreated wastewater and stirring to obtain a reaction product containing precipitates; and 3) performing solid-liquid separation to obtain filter residue and clear liquid. The method can fully remove 2-ethylhexyl 2-ethylhexyl phosphonate in the wastewater.

The invention relates to the technical field of biology, in particular to a dissociation agent and a kit for progesterone determination. According to the invention, the sample dissociation agent for progesterone detection is obtained through optimized screening, and the sample dissociation agent comprises hydrocortisone, prednisolone and mono (2-ethylhexyl) phthalate (MEHP); when the dissociation agent components act independently or in a combined mode, the sensitivity to sample detection is high, the detection linear range is good, the dissociation agent is well related to a comparison reagent, the dissociation effect is improved remarkably on the whole, progesterone can be better released from corticosteroid binding protein, albumin and sex hormone binding globulin, and the progesterone dissociation agent is suitable for being used for detecting progesterone. The combination of progesterone and a captured antibody is facilitated, and the sensitivity and the accuracy can be effectively improved. Moreover, the reagent can be directly added into reagent components, so that the dissociation process and the immune reaction are carried out at the same time, the immune reaction is simple and efficient, and the reaction efficiency is improved.

The present invention discloses the use of luteolin and / or trans-UCA in the preparation of a drug for removing bis(2-ethylhexyl) phthalate. The present invention introduces an innovative method, that is, using a visual DEHP tracer system and a compound library as the basis for screening potential drugs; the emphasis is on directly starting the screening process from DEHP itself and its specific targets; it is first discovered that luteolin and its regulated endogenous trans-UCA are identified as potential functional drugs and metabolites for effectively eliminating DEHP in the liver; the target molecule Uroc1 of luteolin is the main target for the body to effectively eliminate DEHP and its related pollutants in the liver.

The invention discloses a preparation method and a usage method of an anti-salt spray erosion agent for the shell of 18650 lithium batteries. The raw material ratio is as follows: refined vegetable oleic acid 5-10%, triethanolamine 5-8%, sodium molybdate 0.5-1%, fatty alcohol polyoxyethylene ether acidic phosphate 3-5%, sodium salt of sulfuric acid mono(2-ethylhexyl) ester 0.1-0.5%, n-propanol 4-8%, dodecenyl succinic acid 0.5-1.5%, and deionized water is added to make up 100%. The main active components of the anti-salt spray erosion agent of the invention can interact with the shell of 18650 lithium batteries. The active components penetrate through the voids on the surface of the shell, adsorb and combine with metal atoms, and then form a firm protective film. This protective film will not fall off after being rinsed with pure water, and can pass the 8-hour salt spray test. After the test, the defect area grade of the shell of 18650 lithium batteries is not lower than grade 4. This anti-salt spray erosion agent is an environment-friendly product and does not contain substances such as chromate, nitrite, and phosphate.

A nonwoven, a method for making such a nonwoven and the use of waste carbon to make such a nonwoven. The nonwoven has a total carbon content (TCC) from which 10% to 100% of the TCC of the nonwoven are derived from waste carbon. The nonwoven meets one or more of the criteria a) to e) by comprising less than a) 5000 µg / kg of iso-Nonylphenolhexaethoxylate; b) 500 µg / kg of iso-Nonylphenol; c) 4.0 ng / kg of Octachlorodibenzodioxin; d) 500 µg / kg of Di-2-ethylhexyl phthalate; and / or e) 25 µg / kg of Napthalene.

This invention discloses a bacterial strain capable of simultaneously degrading DEHP and removing heavy metals, and its application in the remediation of environments with complex pollution. This invention provides a strain of *Serratia marcescens* (…). Serratia decaying The strain 25S0741-2 was deposited at the Guangdong Provincial Microbial Culture Collection Center on June 16, 2025, with accession number GDMCC NO: 66522. This strain exhibits good salt and alkali tolerance, high tolerance to DEHP and heavy metal ions, and can efficiently degrade di(2-ethylhexyl) phthalate (DEHP) while simultaneously removing heavy metal ions. It can also degrade DEHP in heavy metal stress environments, making it suitable for adsorbing and removing heavy metal ions and degrading DEHP in coastal saline-alkali environments. This provides a new strain resource for the bioremediation of complex polluted environments in saline-alkali soils and offers a new approach for the synergistic treatment of heavy metals and organic pollutants.

The invention relates to the technical field of beneficiation, in particular to a beneficiation method for improving the flotation separation efficiency of micro-fine-particle ilmenite. The method comprises the following steps: sequentially adding a sodium silicate and citric acid composite dispersing agent, a sodium alginate flocculating agent and a combined collecting agent consisting of sodium oleate (NaOL) and (2-ethylhexyl) phosphoric acid mono-2-ethylhexyl ester (HEHEHP) into the desulfurization tailings, and stirring; then, a Fenton-like reagent composed of soluble ferrite and peroxysulfate is added for targeted activation; and finally, the titanium concentrate is obtained through one-time roughing, four-time concentration and one-time scavenging. According to the method, the traditional dosing mode of'first activation and second collection 'is subverted, the problems that micro-fine-particle ilmenite is prone to agglomeration and poor in separation selectivity are effectively solved through the effects of collecting agent pilot adsorption, Fenton-like reagent post-strengthening, synergistic dispersion and selective flocculation, and high-grade and high-recovery-rate efficient separation is achieved in the weak acid environment.

The invention relates to the technical field of porous metal material preparation, in particular to a porous aluminum alloy structure preparation method based on a soluble salt template. The preparation method of the porous aluminum alloy structure based on the soluble salt template comprises the following steps that A, salt-based ink is prepared, specifically, sodium chloride salt particles are evenly dispersed into a mixed solvent, and the salt-based ink is obtained; the mixed solvent is prepared from the following raw material components: polyvinylpyrrolidone, polyethylene glycol, succinic acid di (2-ethylhexyl) ester sodium sulfonate and isopropanol. According to the porous aluminum alloy structure preparation method based on the soluble salt template, the pore diameter, the pore shape and the porosity under the macroscale can be accurately regulated and controlled, alloy components are stably regulated and controlled, and uniform distribution of the alloy components is achieved; the technical problems that when an existing porous aluminum alloy structure is prepared, the pore diameter, the pore shape and the porosity under the macroscale are difficult to accurately regulate and control, and stable regulation and control and spatial uniform distribution of alloy components are challenged are solved.

The invention belongs to the technical field of organic synthesis, and particularly relates to a preparation method of an ultraviolet absorbent HEB. The invention provides a preparation method of an ultraviolet absorbent HEB. The preparation method comprises the following steps: firstly, reacting cyanuric chloride with para aminobenzoic acid under an alkaline condition to obtain an intermediate A; reacting the obtained intermediate A with tert-butylamine to obtain an intermediate B; and finally, reacting the intermediate B with 2-ethylhexyl acetate under an alkaline condition, and carrying out subsequent treatment to obtain the ultraviolet absorbent HEB. The preparation method of the ultraviolet absorbent HEB is mild in reaction condition, simple in process operation and low in energy consumption, the used raw materials are high in reaction activity, few in side reaction and low in cost, the obtained intermediate product is stable and high in purity, and large-scale production is facilitated.

This invention relates to a multilayer surface covering having one layer derived from a filler-containing PVC plastisol and another layer derived from an unfiller-free PVC plastisol, both containing a plasticizer composition comprising bis(2-ethylhexyl) cyclohexane-1,4-dicarboxylate. This surface covering can be used as a floor covering or as artificial leather.

A nonwoven, a method for making such a nonwoven and the use of recycled polyolefin to make such a nonwoven. The nonwoven comprises from 10 weight-% to 100 weight-% recycled polyolefin by weight of the nonwoven. The nonwoven meets one or more of the criteria a) to e) by comprising less thana) 5000 μg / kg of iso-Nonylphenolhexaethoxylate;b) 500 μg / kg of iso-Nonylphenol;c) 4.0 ng / kg of Octachlorodibenzodioxin;d) 500 μg / kg of Di-2-ethylhexyl phthalate; and / ore) 25 μg / kg of Napthalene.

Basalt selectively adsorbs organic toxic materials, such as dioxins, furans, polychlorinated biphenyls (PCBs), bis(2-ethylhexyl)phthalate, arsenic, mercury, chromium, copper, nickel, zinc, cadmium, lead, and the like, from substances such as sediment, which contains water and the toxic materials.

The invention discloses a preparation method of a magnetic plasticizer adsorbent, and belongs to the technical field of adsorption separation of magnetic nano materials. A physical adsorption method becomes one of core technologies for removing plasticizers in water bodies and complex matrixes due to high efficiency, economical efficiency and environmental compatibility. According to the present invention, based on the intrinsic microporous polymer (Polymers of Intrinsic Microporosity, PIMs) of the rigid benzene ring skeleton, the PIM-1 can form the fixed pore structure and the high specific surface area without the template, the adsorption selectivity is regulated through the chemical modification, and the excellent chemical thermal stability and the excellent processing flexibility are provided; the Fe3O4 magnetic core is in bridge connection with PIM-1 through a polydopamine transition layer, and the magnetic Fe3O4 (at) PDA (at) PIM-1 composite material is prepared. The theoretical adsorption capacity of the material to di (2-ethylhexyl) phthalate (Di (2-ethylhexyl) phthalate, DEHP) reaches up to 3969.5 mg / g, and the material has good reusability. The adsorbent aims to solve the bottlenecks of poor specificity, slow adsorption rate, insufficient cycling stability and the like of a traditional adsorbent, and provides a technical scheme with high efficiency and environment friendliness for water environment treatment.

In some embodiments, the invention provides a system for collecting whole blood. In some embodiments, the system comprises two bags containing solutions which are mixed prior to, at the same time as, or shortly after the addition of donated whole blood to one of the bags. In some embodiments, the blood bags of the system are substantially free of the plasticizer di(2- ethylhexyl) phthalate. In some embodiments, all components of the system are substantially free of the plasticizer di(2-ethylhexyl) phthalate.

Disclosed is the use of glycol ether aryl ester plasticizers as viscosity reducing agents in plastisols comprising di(2-ethylhexyl) terephthalate, 1,2-cyclohexane dicarboxylic acid diisononyl ester, or diisononyl phthalate as the primary plasticizer. The glycol ether aryl ester plasticizers improve viscosity and viscosity stability while maintaining or improving plastisol properties such as Shore A Hardness and fusion time.

The invention provides a fireproof sound-transmitting coating capable of being scraped in batches. The fireproof sound-transmitting coating is prepared from the following components in parts by weight: 10 to 24.5 parts of deionized water, 6 to 10 parts of emulsion, 6 to 12 parts of inorganic resin, 0.8 part of texanol, 0.6 part of an anti-freezing agent, 0.2 part of an antibacterial agent, 0.2 part of a bactericide and 0.2 to 0.3 part of hydroxyethyl cellulose. The part number of the organic rubber powder is 0.3-0.5 part, and the part number of the bone inorganic material is 55-70 parts. The purpose of the invention is to improve the batch scraping construction property of the acoustic transmission coating without reducing the water resistance of the coating and improve the fire resistance of the coating at the same time. According to the invention, the starch ether is added to improve the acting force between water molecules, so that the lubricity between sand grains is further improved, the batch scraping construction property of the acoustic transmission coating is improved, and the emulsion and the silica sol are adopted as the sand bonding materials, so that the problem of water resistance caused by the starch ether is solved. Meanwhile, the addition amount of the emulsion is reduced, so that the fire resistance rating is improved.