Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

178 results about "Sebacic acid" patented technology

Sebacic acid is a naturally occurring dicarboxylic acid with the structure (HOOC)(CH₂)₈(COOH). In its pure state, it is a white flake or powdered crystal. The product is described as non-hazardous, though in its powdered form it can be prone to flash ignition (a typical risk in handling fine organic powders).

Degradable environment-friendly vegetable oil-based semi-synthetic cutting fluid and preparation method thereof

The invention relates to the technical field of metal working fluids, in particular to a degradable environment-friendly vegetable oil-based semi-synthetic cutting fluid and a preparation method thereof. The cutting fluid comprises 20-30 parts of vegetable lubricating oil, 10-20 parts of an alkali storage agent, 2-5 parts of a corrosion inhibitor, 3-5 parts of a coupling agent, 5-8 parts of a surfactant and 6-11 parts of a composite anti-rust agent, the composite anti-rust agent comprises an anti-rust agent A and an anti-rust agent B, the anti-rust agent A comprises N-[3-(dimethylamino) propyl]-N, N-dimethylformamide, and the anti-rust agent B comprises N-[3-(dimethylamino) propyl]-N, N-dimethylformamide. The antirust agent A comprises at least one of N, N ', N'-trimethyl-1, 3-propanediamine, benzotriazole, sebacic acid and 2, 4, 6-tri (aminocaproic acid)-1, 3, 5-triazine, and the antirust agent B comprises at least one of an imidazoline compound and fatty acid sarcosine ester. The cutting fluid provided by the invention has excellent corrosion resistance, rust resistance, defoaming property, biodegradability and storage stability, and has a good application prospect.
Owner:GUANGZHOU SINOMACH LUBRICATION TECH CO LTD +1

Epoxidized soybean oil-binary acid bio-based dynamic polymer, preparation method thereof and paper-based strain sensor packaged by epoxidized soybean oil-binary acid bio-based dynamic polymer

The invention provides an epoxidized soybean oil-binary acid bio-based dynamic polymer, a preparation method thereof and a paper-based strain sensor packaged by the epoxidized soybean oil-binary acid bio-based dynamic polymer. The preparation method of the dynamic polymer comprises the following steps: (1) taking epoxidized soybean oil as an epoxy monomer, aliphatic dibasic acid as a flexible monomer and aromatic dibasic acid as a rigid monomer, and carrying out polymerization reaction in the presence of a transesterification catalyst to obtain a dynamic polymer prepolymer; the aliphatic binary acid comprises succinic acid, adipic acid and sebacic acid; (2) removing bubbles from the dynamic polymer prepolymer; and (3) carrying out thermal curing on the dynamic polymer prepolymer to obtain the epoxidized soybean oil-binary acid bio-based dynamic polymer. The epoxidized soybean oil-binary acid bio-based dynamic polymer has good mechanical properties and hydrophobicity, a paper-based strain sensor based on the epoxidized soybean oil-binary acid bio-based dynamic polymer also has good mechanical properties and hydrophobicity, and the sensor has certain application potential in the field of human motion monitoring.
Owner:SHAANXI UNIV OF SCI & TECH

Optical paste film and preparation method thereof

The invention discloses an optical paste film and a preparation method thereof, and relates to the technical field of optical functional materials. The optical slurry film is prepared by taking a polyethylene glycol terephthalate film as a base material and coating an optical slurry coating, the optical slurry coating is prepared from the following raw materials in parts by weight: 12 to 16 parts of nano silicon dioxide, 22 to 28 parts of acetone and butanone mixed solvent, 7 to 9 parts of modified titanium dioxide, 4 to 6 parts of nano zirconium oxide, 30 to 35 parts of modified epoxy resin, 18 to 22 parts of butyl acrylate, 4 to 6 parts of dioctyl sebacate, 2.5 to 3.5 parts of silane coupling agent KH-570, 1 to 1.5 parts of organic silicon flatting agent and 0.6 to 1 part of organic silicon defoaming agent. 1.2-1.8 parts of an antioxidant 1010, 3-4 parts of a photoinitiator 184 and 6-8 parts of bis (4-tert-butylphenyl) iodine hexafluorophosphate; the polyethylene glycol terephthalate film pretreatment material comprises absolute ethyl alcohol and deionized water. The raw materials are scientifically proportioned, the titanium dioxide and the epoxy resin are clearly modified, the preparation process is complete, and the finished product is high in light transmittance, good in weather resistance, adaptive to the requirements of the optical field and high in practicability.
Owner:TIAN CHENG (SHENZHEN) MICRO-ELECTRONIC MATERIAL CO LTD

Complex ester-based hydraulic oil and preparation method thereof

The invention discloses composite ester-based hydraulic oil and a preparation method thereof, and belongs to the technical field of hydraulic oil preparation. The hydraulic oil based on the complex ester comprises the following components: pentaerythritol synthetic ester, polysebacic acid glycol ester, a viscosity-temperature performance regulator, an ash-free antioxidant, a bio-based anti-wear agent and a nano modifier. Wherein the pentaerythritol synthetic ester is a mixed ester obtained by carrying out a reaction on a mixture of 2-ethylhexanoic acid, 3, 5-dimethylhexanoic acid and 4-methyloctanoic acid and pentaerythritol, and the pentaerythritol synthetic ester is a mixture of 2-ethylhexanoic acid, 3, 5-dimethylhexanoic acid and 4-methyloctanoic acid; the viscosity-temperature performance regulator is a grafted copolymer obtained by grafting poly (N-isopropylacrylamide) to a poly (ethylene sebacate) molecular chain through an ester exchange reaction. The product prepared by the method disclosed by the invention can effectively solve the contradiction between the environmental protection performance and the comprehensive performance of the traditional hydraulic oil through the synergistic effect of the components, has the characteristics of high biodegradation rate and good oxidation resistance and hydrolytic stability, and can keep excellent performance in both low-temperature and high-temperature environments.
Owner:GUANGXI LIUGONG PREMIUM GRADE LUBRICATING OIL +1

Sebacic acid extraction method

The invention discloses an extraction method of sebacic acid. The method comprises the following steps: firstly, adjusting sebacic acid fermentation liquor produced by a microbial fermentation method, and accurately controlling the temperature, viscosity and pH value to obtain first mixed liquor; heating and preserving heat to obtain a second mixed solution, and performing membrane filtration; and after the filtrate is subjected to acidification crystallization and solid-liquid separation, solid matters are washed and refined, and secondary treatment can also be carried out. Compared with the prior art, the method is more accurate in parameter control of each step, and key steps such as decoloration pretreatment are added. The prepared sebacic acid product is higher in purity, the content of sebacic acid is larger than or equal to 99.9%, the content of impurities such as water, ash, iron ions and nitrogen is lower, and the color / light transmittance is better. The method can reduce the consumption of acid and alkali and the content of inorganic salt in water, reduces the sewage treatment load, is simple and convenient to operate, is suitable for large-scale industrial production, and has important significance for improving the quality and production benefits of sebacic acid products.
Owner:衡水京华化工有限公司

Process for treating and recycling sebacic acid production wastewater

The invention discloses a sebacic acid production wastewater treatment and recycling process which comprises the following steps: a heat pump evaporation system comprises an evaporator, a compressor, a circulating pump and a heating heat exchanger, sebacic acid production wastewater is efficiently desalted through the heat pump evaporation system, and obtained steam enters a catalytic combustion device for catalytic combustion reaction; the final effluent is reused for an evaporation process and a crude sebacic acid washing process in the production process. Low-level heat energy of the system is recovered through the heat pump technology, evaporation energy consumption is remarkably reduced, gas-phase oxidation removal of organic matter is achieved through catalytic combustion, and secondary pollution is avoided; meanwhile, closed-loop recycling of wastewater is achieved, fresh water consumption and wastewater discharge are greatly reduced, and the comprehensive advantages of being low in operation cost, high in treatment efficiency, high in environmental friendliness and the like are achieved.
Owner:ZHEJIANG UNIV OF TECH

Paper pink pencil handwriting display reinforcing agent as well as preparation method and application thereof

PendingCN120737665ACoatingsDiphenyl phosphiteHandwriting
The invention belongs to the technical field of reinforcement and repair of paper archives, and relates to a paper pink pencil handwriting display reinforcing agent and a preparation method and application thereof, the paper pink pencil handwriting display reinforcing agent is formed by ethyl cellulose, an organic solvent, diphenyl-isooctyl phosphite and bis (1, 2, 2, 6, 6-pentamethyl-4-piperidyl) sebacate; the volume ratio of the organic solvent to the diphenyl-isooctyl phosphite to the bis (1, 2, 2, 6, 6-pentamethyl-4-piperidyl) sebacate is (14 to 16): (2 to 3): 1; 3 g of ethyl cellulose is added into every 100 mL of the organic solvent; the organic solvent is formed by mixing ethyl acetate, acetone and n-butyl alcohol which are equal in volume. The display reinforcing agent disclosed by the invention has excellent anti-hydrophilic property, and the pink pencil writing is not easy to fall off; the blue printing paper also has the effect of inhibiting light scattering, so that the handwriting developing definition is improved, the blue printing paper is not easy to age and fade, and long-term storage of the blue printing paper is realized.
Owner:SHAANXI NORMAL UNIV

Bio-based dual-dynamic network polymer as well as preparation method and application thereof

The invention provides a bio-based dual-dynamic network polymer as well as a preparation method and application thereof. The preparation method comprises the following steps: S1, mixing an epoxy monomer, binary acid, graphene and a transesterification catalyst, and heating for polymerization reaction to obtain a prepolymer; wherein the epoxy monomer comprises polyethylene glycol diglycidyl ether and glycerol triglycidyl ether, and the binary acid comprises sebacic acid, 2, 5-furandicarboxylic acid and 2, 2 '-dithiodibenzoic acid; and S2, removing bubbles from the obtained prepolymer, and then carrying out thermocuring to obtain the bio-based dual-dynamic network polymer. The bio-based dual-dynamic network polymer obtained by the invention has good mechanical properties, hydrophobicity, solvent resistance, alkali recoverability, self-healing and shape memory properties, and has certain application potential in the fields of intelligent actuators and flexible sensors.
Owner:SHAANXI UNIV OF SCI & TECH

Composite propellant containing high-nitrogen ferrocene derivative and preparation method thereof

The invention discloses a composite propellant containing a high-nitrogen ferrocene derivative and a preparation method of the composite propellant. The composite propellant is prepared from the following components: 14.05% of hydroxyl-terminated polybutadiene (HTPB), 7.03% of diisooctyl sebacate (DOS), 0.92% of 2, 4-toluene diisocyanate (TDI), 1% of the high-nitrogen ferrocene derivative, 59% of ammonium perchlorate (AP) and 18.00% of aluminum powder (Al). N, N-dimethylaminomethylferrocene in the three high-nitrogen ferrocene derivatives has the effects of improving the burning rate of the composite propellant and reducing the pressure index as the ferrocene derivative, nitrate, picric acid, 3-nitro-1, 2, 4-triazole-5-ketone and the like are rich in C, H, O and N elements, and are similar to oxidizing agents such as typical components ammonium nitrate, HMD and the like in the composite propellant; the fuel can be decomposed to provide energy for propellant combustion; the propellant has a low combustion rate pressure index in a pressure range of 1-10 MPa, and has more excellent combustion stability.
Owner:XIAN MODERN CHEM RES INST

Bio-based polyamide with low water absorption and preparation method thereof

PendingCN120699248ABenzoic acidPolymer science
The invention discloses bio-based polyamide with low water absorption and a preparation method thereof, and belongs to the technical field of polyamide preparation. The bio-based polyamide with the low water absorption rate is prepared from the following components in parts by weight: 30 to 50 parts of pentamethylene diamine, 15 to 30 parts of sebacic acid, 5 to 12 parts of citric acid, 5 to 10 parts of hexamethylenediamine, 2 to 5 parts of a hydrophobic auxiliary agent and 1 to 5 parts of a modified high-temperature-resistant additive, the hydrophobic additive is prepared from acetoxybenzoic acid, nonadecanoic acid, m-dimethoxybenzene, trifluoroacetic anhydride and methyl tert-butyl ether as raw materials, and the modified high-temperature-resistant additive is prepared from o-phenylenediamine, chloroacetic acid, vanillin, benzoyl bromide and thiourea as raw materials. The bio-based polyamide prepared from the substances has low water absorption and excellent thermal stability.
Owner:JIANGSU JINGLIHUA NEW MATERIAL CO LTD

A low-conductivity coolant for microchannel water-cooled plates and its application

This invention discloses a low-conductivity coolant for microchannel water-cooled plates and its application. The coolant, by mass fraction, comprises 85-95% propylene glycol, 1-5% deionized water, 0.05-0.15% imidazole, 0.1-0.3% toluenetriazole, 0.10-0.4% sebacic acid, 0.1-0.3% benzoic acid, 3-4% triethanolamine, and 0-0.06% defoamer. The coolant is stirred evenly with deionized water, and the resulting mixture is placed in the micron-level fluid channels inside the microchannel water-cooled plate. The high-speed flow of the mixture absorbs the heat dissipated by the chip. The coolant prepared by this invention exhibits low corrosivity, high reserve alkalinity, low foaming tendency, and low conductivity. This coolant can be used safely and efficiently in microchannel structures, meeting the growing heat dissipation needs of AI big data computing centers.
Owner:SHANGHAI QINNENG ANDUN MATERIALS CO LTD

Circulating water system protective agent and preparation method thereof

The invention relates to the technical field of circulating water systems, in particular to a circulating water system protective agent and a preparation method thereof.The circulating water system protective agent is prepared from, by weight, 20-40 parts of lipid matrixes, 10-20 parts of carboxyl-containing organic compounds, 8-15 parts of ester-containing organic compounds, 5-12 parts of hydrophilic functional auxiliaries, 5-8 parts of modified functional agents, 4-7 parts of nano silver powder, 1-3 parts of dispersing agents and 4-7 parts of auxiliary agents. The polyol ester in the formula can form a stable complex with calcium and magnesium ions in water, and crystal nucleus formation and growth of carbonate and sulfate scales are inhibited; the carboxyl-containing organic compounds (adipic acid and sebacic acid) have strong chelating ability, and can disperse scale forming ions in water and prevent deposition of scale bodies.
Owner:JUDUN NENGHUAN (HUNAN) TECHNOLOGY CO LTD

Whitening composition as well as preparation method and application thereof

The invention provides a whitening composition as well as a preparation method and application thereof, and belongs to the technical field of cosmetics. According to the whitening composition provided by the invention, the isopropyl lauroyl sarcosinate, the diisopropyl sebacate, the PPG-14 polyglycerol-2 ether, the bis-diethoxy diglycol cyclohexane 1, 4-dicarboxylate and the poly C10-30 alkanol acrylate are used as oil phases to wrap the whitening components (magnolol, pterostilbene, ferulic acid and dimethyl methoxy benzodihydropyranol) so as to form oil sacs, so that the whitening composition can be used for whitening the skin; and then dispersing in a polyhydric alcohol and carbomer matrix to control the composition of the oil phase and the whitening component, so that the whitening effect and the transdermal absorption effect of the whitening composition are improved.
Owner:SHANGHAI SHAWYA BIOTECHNOLOGY CORP LTD

Resin composition

PendingJP2025158292APolyesterPolymer science
To provide a resin composition which has improved impact resistance at low temperature.SOLUTION: A resin composition contains a 3-hydroxyalkanoic acid-based polymer represented by formula (I), and a polyester-based polymer, wherein the polyester-based polymer is composed of a monomer unit composed of only a polyhydric alcohol component and a dicarboxylic acid component, at least a part of a terminal of the polyester-based polymer is sealed with a residue of monoalcohol and / or a residue of a monocarboxylic acid, polyhydric alcohol of the polyhydric alcohol component is MPD(3-methyl-1,5-pendandiol) and / or TMP(trimethylol propane), a dicarboxylic acid of the dicarboxylic acid component is an adipic acid or a sebacic acid, the monoalcohol is 2-ethylhexanol, and the monocarboxylic acid is an acetic acid. In the formula (I), a ratio (k / p) is 70 / 30 to 99 / 1.SELECTED DRAWING: None
Owner:KURARAY CO LTD +1

Potassium type neutralization regulation and control method in sebacic acid fermentation process and application

The invention relates to a potassium type neutralization regulation and control method in a sebacic acid fermentation process and application, a potassium hydroxide solution is used as a neutralizer, sebacic acid generated by microorganisms is neutralized in situ in the fermentation process, a product is accumulated in a high-solubility sylvite form, and the problem of sodion pollution caused by use of sodium hydroxide in a traditional process is avoided. The method comprises the core steps of strain activation, seed solution preparation, fermentation culture medium preparation, fermentation starting, pH dynamic regulation and control and product extraction. By automatically controlling the pH value to be 4.5-6.8, a 20-40% potassium hydroxide solution is fed, so that the fermentation acid production concentration reaches 180g / L or above. A potassium sulfate byproduct which is easy to dissolve in water is generated through subsequent acidification and crystallization, efficient separation can be achieved through washing, and a low-sodium / sodium-free high-purity sebacic acid product is obtained. According to the method, potassium ions are used as necessary elements for microbial growth to optimize a metabolic environment, so that the viscosity of fermentation liquor is remarkably reduced, dissolved oxygen transfer is improved, the environmental protection pressure of downstream extraction is relieved, and the production efficiency and the product quality are improved.
Owner:NINGXIA HENGLI BIOLOGICAL NEW MATERIAL CO LTD

Hydrogen energy comprehensive utilization system for preparing sebacic acid

The invention provides a hydrogen energy comprehensive utilization system in a sebacic acid preparation process. The hydrogen energy comprehensive utilization system comprises a cooler, a switching system, a pressure stabilization control system, a buffer tank, a cracking device and a heating device which are communicated in sequence. According to the hydrogen energy comprehensive utilization system, the high calorific value of hydrogen is allowed to be utilized, so that dependence on external fuel is reduced, and the production cost is reduced.
Owner:HEBEI CASDA BIOMATERIALS

Determination of dioctyl sebacate content in polyvinyl acetate

The present invention discloses a method for determining the content of diethyl hexyl sebacate in polyvinyl acetate. The method comprises the following steps: (1) adding a dissolving solvent to a pretreated polyvinyl acetate sample, and after the sample is completely dissolved, adding a main precipitant dropwise to the solution until no polymer continues to precipitate, then adding a co-precipitant dropwise until the precipitation is complete, and constant volume with the co-precipitant as a test solution, wherein the co-precipitant is selected from one of isopropanol, water and heptane; (2) preparing a standard working solution; (3) performing gas chromatography-mass spectrometry analysis on the standard working solution and the test solution. The assay method proposed by the present invention can meet higher detection requirements, such as reducing the detection limit, and the method also has the advantages of being simple to operate and fast, and has a very wide range of application prospects.
Owner:TECH CENT OF GUANGZHOU CUSTOMS

Preparation method of yellowing-resistant nylon particle composite material

PendingCN121950033AGood yellowing resistanceHigh mechanical strengthPolymer sciencePhenolic antioxidant
The preparation method of the yellowing-resistant nylon particle composite material comprises the following steps: S1, weighing 100 parts by weight of nylon, and adding the nylon into a reaction kettle; s2, adding 2, 2, 2-trifluoroethanol as a solvent into the reaction kettle, and stirring to form a uniform nylon dissolving solution; s3, conveying the nylon dissolving solution into a spray dryer through a peristaltic pump, and performing atomization, drying and powder collection under the protection of nitrogen; s4, placing the powder in a vacuum drying oven, and drying at 25 DEG C for 3 hours to obtain nylon powder; s5, mixing the nylon powder with the following raw materials in parts by weight: 1-2 parts of an ultraviolet light absorber, 1-2 parts of a hindered phenol antioxidant, 2-4 parts of adipic acid, 0.5-1.5 parts of sebacic acid, 0.1-0.5 part of dicumyl peroxide and 8-10 parts of silane coupling agent modified mica powder; and S6, carrying out melt blending on the mixture obtained in the step S5 in a twin-screw extruder to obtain the yellowing-resistant nylon particle composite material.
Owner:NINGBO DXC NEW MATERIAL TECH

OSP soldering pad special-purpose tin paste with self-corrosion inhibition and application thereof

This application provides an OSP pad solder paste with self-inhibiting corrosion function; by total weight, the solder paste comprises 85-90% solder powder and 10-15% flux; by total weight, the flux components comprise: 30-50% modified rosin, 10-20% polysaccharide anhydride, 1.5-5% activator, 8-13% thixotropic agent, and organic solvent supplemented to make up the balance of 100%; the solder paste has excellent soldering performance, high adhesion to the soldering metal substrate, excellent lubricity and thixotropy, does not corrode the soldered metal and effectively improves its oxidation resistance, has stable printing performance, and has excellent compatibility with OSP pads.
Owner:EUNOW ELECTRONICS TECH CO LTD SUZHOU

A fluorescent whitening agent anti-migration stabilizing adjuvant and a preparation method thereof

This invention belongs to the field of polymer material additives, and provides a fluorescent whitening agent anti-migration stabilizing excipient and its preparation method. The method involves intercalating 4,4'-bis(2-sulfonate sodium styryl)biphenyl into a zinc-aluminum layered double hydroxide, and then surface-coating it with ethanolamine-modified polypropylene grafted with maleic anhydride compatible components. This is followed by melt granulation with a polypropylene carrier resin, bis(2,2,6,6-tetramethyl-4-piperidinyl) sebacate, and 2-(2H-benzotriazol-2-yl)-4,6-di-tert-amylphenol. This achieves low migration, high retention, and stable dispersion of the fluorescent whitening agent, solving the problems of easy migration, insufficient thermo-photoaging stability, and difficulty in balancing processing window and toughness in polypropylene systems. This method is suitable for the industrial preparation and application of polypropylene whitening modified materials.
Owner:JIANGSU GLORY CHEM

A cracking still heating device for producing sebacic acid

The utility model provides a kind of cracking still heating device for producing sebacic acid, including cracking still body, jacket, fused salt furnace, fused salt ground groove, cracking still body includes upper and lower intercommunication arrangement's large kettle and small kettle, jacket includes upper section jacket and lower section jacket, upper section jacket is wrapped in large kettle outer wall side, spiral baffling bulkhead is equipped in upper section jacket, the inner edge of spiral baffling bulkhead is in abutment with large kettle outer wall, the upper end and the lower end of flow channel are equipped with first fused salt outlet and first fused salt inlet respectively, lower section jacket is wrapped in small kettle outer wall side, lower section jacket is hollowly arranged, second fused salt outlet and second fused salt inlet are respectively equipped in lower section jacket upper part and lower part, fused salt ground groove outlet is connected with first fused salt inlet and second fused salt inlet respectively via fused salt pump, fused salt furnace outlet is connected with fused salt ground groove inlet, and fused salt furnace inlet is connected with second fused salt outlet and second fused salt outlet respectively.The device can effectively control the temperature of different regions of cracking still.
Owner:SHANXI ZHENGANG CHEM CO LTD

Semi-aromatic bio-based polyamide and preparation method thereof

PendingCN120574391AFuranPolymer science
The invention discloses semi-aromatic bio-based polyamide and a preparation method thereof, and belongs to the technical field of macromolecular organic materials. Monomers 2, 5-furan dimethylamine, dodecanedioic acid, undecanedioic acid and sebacic acid are used as raw materials, and the disclosed semi-aromatic bio-based polyamide has rigidity of aromatic rings and flexibility of aliphatic chains and has good thermodynamic properties and mechanical properties. The oxygen permeability of the semi-aromatic bio-based polyamide protected by the invention is 0.005 ml / m < 2 > / 24h, the semi-aromatic bio-based polyamide has excellent gas barrier property, the degradation initial temperature is 348.6 DEG C, the maximum degradation temperature is 373.2 DEG C, the crystal melting point (Tm) of a polymer is 226.4 DEG C, the glass transition temperature (Tg) is 169.5 DEG C, the thermal stability is high, the thermal transition temperature is low, and the semi-aromatic bio-based polyamide has good processability.
Owner:BEIJING UNIV OF CHEM TECH +1

Automobile Constant Velocity Joint Anti-rust Grease and Its Preparation Method

The present invention discloses the composition of an anti-rust grease for automotive constant velocity joints and its preparation method, which relates to the technical field of grease. The grease of the present invention comprises the following raw materials in parts by weight: 65-75 parts of base oil, 0.5-5 parts of thickening agent, 1-5 parts of antioxidant, 0.1-0.5 parts of rust inhibitor, and 0.5-5 parts of extreme pressure and anti-wear agent. The preparation method of the thickening agent comprises the following steps: S1: heating 12-hydroxy stearic acid, sebacic acid, and modified calcium hydroxide for reaction; S2: continuously heating for reaction for a period of time; S3: continuously heating for reaction for a period of time to obtain the thickening agent.
Owner:ANHUI BOYANG LUBRICATION TECH CO LTD

Oil-soluble conductive additive and preparation method therefor

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.
Owner:LANZHOU INSTITUTE OF CHEMICAL PHYSICS CHINESE ACADEMY OF SCIENCES

Oil-dispersed cosmetic composition with excellent cleansing efficacy, comprising hydrogenated castor oil / sebacic acid copolymer

PCT designated stageWO2026147154A1Polymer scienceActive agent
The present invention relates to an oil-dispersed cosmetic composition having excellent cleansing efficacy and, more specifically, to an oil-dispersed cosmetic composition having excellent cleansing efficacy and formulation stability by optimally mixing a hydrogenated castor oil / sebacic acid copolymer as an oil thickener with at least two types of surfactants.
Owner:KOLMAR KOREA

A high-rate lithium iron phosphate cathode material, its preparation method and battery

The present invention discloses a high-rate lithium iron phosphate cathode material, a preparation method thereof, and a battery, belonging to the technical field of batteries. The preparation method includes: mixing iron phosphate, a lithium source, a carbon source, and an additive with a solvent, and performing coarse grinding and fine grinding to obtain a mixed slurry; subjecting the mixed slurry to spray drying, sintering in a nitrogen atmosphere, and naturally cooling to room temperature to obtain the high-rate lithium iron phosphate cathode material. Among them, the preparation method of the additive is: treating titanium dioxide with sebacic acid to obtain modified titanium dioxide; treating zirconia with KH550 to obtain modified zirconia; adding the modified titanium dioxide, the modified zirconia, and polyethylene glycol diamine 200 to N,N-dimethylformamide for treatment to obtain a mixture, and performing low-temperature heat treatment, ball milling, and drying to obtain the additive. The high-rate lithium iron phosphate cathode material prepared by the present invention has excellent electrochemical performance, and both the charge-discharge specific capacity and the rate performance are well improved, and it has a high discharge specific capacity at different rates.
Owner:SICHUAN UNIVERSITY OF SCIENCE AND ENGINEERING

Closed-loop recyclable bio-based resin as well as preparation method and application thereof

The invention discloses bio-based resin capable of being recycled in a closed-loop mode and a preparation method and application of the bio-based resin. According to the resin material, bio-based polybasic acid serves as a raw material and is mixed with 4-carboxyphenylboronic acid, then the mixture and ethylene glycol diglycidyl ether are subjected to an epoxy ring-opening reaction to prepare a bio-based monomer with the end group being boric acid, and the resin is prepared after the monomer is subjected to cross-linking polymerization. Wherein the bio-based polybasic acid is azelaic acid, sebacic acid, Brazil acid, acrylic abietic acid, eleostearic acid anhydride, maleated rosin and the like. The end group of the bio-based monomer is boric acid bonds, and small molecule amine is subjected to catalytic dehydration to form dynamic boric acid ester, so that the monomer is cross-linked to prepare a material with closed-loop recovery, shape memory and self-repairing performance, and the material has wide application prospects in the fields of 3D printing, flexible sensors and friction generator materials.
Owner:INST OF CHEM IND OF FOREST PROD CHINESE ACAD OF FORESTRY

Cadavering dicarboxylate production process

PendingJP2026524880ABiotechnologyIon exchange
This application relates to a method for producing cadaverine dicarboxylate (cadaverine sebacate, cadaverine undecane diate, or cadaverine dodecane diate), comprising a first step of culturing L-lysine-producing microorganisms in a medium supplemented with dicarboxylic acid in the form of diammonium dicarboxylate to obtain lysine dicarboxylate, and a second step of converting the lysine dicarboxylate to cadaverine dicarboxylate. According to this application, by carrying out the process according to the above procedure, a high-purity cadaverine dicarboxylate (cadaverine sebacate, cadaverine undecane diate, or cadaverine dodecane diate) can be obtained without ion resin exchange, decarboxylation, or distillation steps.
Owner:CJ CHEILJEDANG CORP

Grease composition and rack-and-pinion-type steering device filled with said grease composition

A grease composition includes a thickener, a base oil, and an additive. The additive contains 0.1 to 10% by mass of a molybdenum-containing extreme-pressure agent, 0.1 to 10% by mass of Na sebacate, and 0.1 to 5% by mass of a sulfonate. A penetration of the grease composition is 235 to 370.
Owner:KYODO YUSHI CO LTD

Vinyl chloride resin composition for powder molding, vinyl chloride resin molded body, and laminate

An object of the present invention is to provide a vinyl chloride resin composition for powder molding that can form a vinyl chloride resin molded body having excellent alcohol resistance and low-temperature flexibility. The vinyl chloride resin composition for powder molding of the present invention comprises: (a) a vinyl chloride resin; and (b) a 3-methyl-1,5-pentanediol sebacic acid polyester containing structural units derived from sebacic acid and structural units derived from 3-methyl-1,5-pentanediol. The vinyl chloride resin composition for powder molding of the present invention is preferably used for powder slush molding.
Owner:ZEON CORP