126 results about "Sebacic acid" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

This invention belongs to the field of polymer materials and relates to a method for preparing a multifunctional emulsion antioxidant and its application, specifically to an emulsion antioxidant that also absorbs ultraviolet light and its application. A multifunctional emulsion-type antioxidant comprises the following components: a phenolic primary antioxidant, wherein the phenolic primary antioxidant comprises a mixture of p-cresol and dicyclopentadiene copolymer (TH-CPL) and triethylene glycol bis[β-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionate] (antioxidant 245); a thioester secondary antioxidant; a UV absorber; a light stabilizer; a nonionic surfactant; and deionized water; wherein the UV absorber is N-(ethoxycarbonylphenyl)-N'-methyl-N'-phenylformamidinium (UV-1), and the light stabilizer is a mixture of bis(1,2,2,6,6-pentamethyl-4-piperidine) sebacate and 1-methyl-8-(1,2,2,6,6-pentamethyl-4-piperidine) sebacate (292).

The invention relates to a process for the synthesis of a polymer of polyol, preferably glycerol, and polycarboxylic ester units, preferably dicarboxylic diester units, in particular sebacic diester units, in particular PGS, comprising the introduction of a heterogeneous basic catalyst. The invention also relates to a polymer obtainable by this process. The invention also relates to a polyester of polyol and dicarboxylic diester having a high average molar mass, a controlled degree of branching and the absence of trace metals.

The application provides a method and device for continuously synthesizing sebacic nitrile from sebacic acid. The method comprises continuously reacting in n reaction kettles, wherein raw materials containing sebacic acid, ammonia and a catalyst are introduced into a first reaction kettle for reaction, and the product of an (n-1)th reaction kettle is introduced into an nth reaction kettle for reaction, and n is greater than or equal to 2. The method can effectively improve the product quality of sebacic nitrile, greatly reduce energy consumption, and has high yield, few impurities, light color and high quality.

The present invention relates to an oil-dispersed cosmetic composition having excellent suspension stability and, specifically, to an oil-dispersed cosmetic composition having excellent powder dispersibility, suspension stability, and formulation stability by optimally mixing a hydrogenated castor oil / sebacic acid copolymer as an oil thickener and silica dimethylsilylate as a dispersant.

The invention belongs to the field of piezoelectric materials, and particularly relates to a high-elasticity stretchable piezoelectric material and a sensor preparation method thereof.The molecular structure of the high-elasticity stretchable piezoelectric material comprises lactic acid rich in C = O dipoles, lactic acid serving as a basic monomer and used for providing piezoelectric performance; butanediol and sebacic acid are used as flexible chain segments; itaconic acid is used as a cross-linking point and is used for forming a three-dimensional network structure. As butanediol, lactic acid, sebacic acid and itaconic acid are all derived from bio-based materials, environmental protection and comfort are both considered, the safety is high, and the development concept of green emission reduction is met; based on the inherent permanent CO dipole of the lactic acid monomer, the lactic acid monomer becomes a piezoelectric main body, the regularity endows the polymer with high elastic modulus, but the too low elongation at break limits the piezoelectric power conversion. Long-chain copolyester is formed by introducing linear butanediol and sebacic acid monomers, the glass transition temperature is reduced, the chain mobility is improved, the material achieves high elasticity while good piezoelectricity is met, and therefore the application prospect of the material is widened.

The invention provides a composite material with high light transmission and ultraviolet and infrared double barrier as well as a preparation method and application of the composite material. The preparation method comprises the following steps: carrying out a first reaction on a first mixed reaction system containing nano indium tin oxide, a PMMA prepolymer and a first catalyst to obtain an indium tin oxide poly [1-(methoxycarbonyl methyl) ethylidene] complex; and carrying out a second reaction on a second mixed reaction system containing the indium tin oxide poly [1-(methoxycarbonyl methyl) ethylidene] complex, bis-2, 2, 6, 6-tetramethylpiperidinol sebacate and a second catalyst to obtain the composite material with high light transmission and ultraviolet and infrared double barrier properties, wherein the second mixed reaction system comprises the indium tin oxide poly [1-(methoxycarbonyl methyl) ethylidene] complex, the bis-2, 2, 6, 6-tetramethylpiperidinol sebacate and the second catalyst. The composite material obtained by the preparation method not only has a good ultraviolet and infrared double-barrier function, but also is relatively high in visible light transmittance, and a formed coating is relatively low in haze.

The invention relates to a bicomponent fiber comprising a first component comprising a first polypropylene homopolymer and a second component comprising a second polypropylene homopolymer and a slip agent, wherein the slip agent is selected from the group consisting of stearyl erucamide, polyol esters of monocarboxylic acids, pentaerythritol monooleate, saturated and unsaturated fatty acid amides or ethylenebis(amides), glycols, polyether polyols, adipic acid and sebacic acid and combinations thereof and wherein the amount of the slip agent with respect to the second component is 0.05 to 1.00 wt%, wherein the first component has a melt flow index MFI1 determined according to ISO 1133-1:2011 at 230 ⁰C and 2.16 kg and the second component has a melt flow index MFI2 determined according to ISO 1133-1:2011 at 230 ⁰C and 2.16 kg of MFI2 and the difference between MFI1 and MFI2 is 0.0 to 25.0 dg / min

To provide a crystal of 2 - (4-acetylbenzyl) - 3 - ((4-fluorophenyl) amino) - 577 - trimethyl-7, 8-dihydro-pyrazolo-imidazo [1, 2-a] 2H [4, 3-e] pyrimidin-4 (5H) - one.SOLUTION: Provided is a crystal of an acid addition salt form selected from, for example, succinate form, citrate form, adipate form, tartrate form (e.g., L-tartrate form), malate form, gluconate form (e.g., D-gluconate form), maleate form, fumarate form, aspartate form (e.g., L-aspartate form), hippurate form, sebacate form, glycolate form, galactarate form, benzoate form, pamoate form, oxalate form and malonate form.SELECTED DRAWING: None

The invention discloses a high-lubricity environment-friendly cutting fluid compatible with various materials. The high-lubricity environment-friendly cutting fluid comprises the following components in percentage by weight: 0.4-1% of sodium xylene sulfonate, 2-4% of sebacic acid, 5-8% of neodecanoic acid, 8-15% of 1720 polyether, 4-10% of sasol FS40 polyether, 5-12% of Mili self-emulsifying ester 18485, 1-4% of extreme pressure antiwear agent, 0.4-1.2% of cation, 8-18% of triethanolamine, 3-6% of CH020, 1-3% of nano-copper, 0.05-0.15% of defoaming agent and the balance of water. Compared with the prior art, the machining of various metal materials can be met, the application range is wide, and good rust resistance and corrosion resistance are achieved.

The application discloses a catalyst for preparing sebacic dinitrile and a preparation method and application thereof, and belongs to the field of catalysis. The application of the catalyst in preparation of sebacic dinitrile is as follows: sebacic acid and urea are mixed according to a certain proportion, are sent into a continuous reactor by a solid feeder at a certain rate, react with the catalyst in the reaction tube, are removed from the reactor in a gaseous form along with fluidizing gas, and are liquefied in a receiver; the liquid-solid mixed product is subjected to extraction, liquid separation, and then is subjected to solvent removal under normal pressure and vacuum rectification to obtain a high-purity product, the conversion rate of sebacic acid is greater than 99%, and the selectivity of sebacic dinitrile is greater than 99%. The application has the characteristics of low cost, easy preparation, moderate reaction condition, avoidance of use of toxic solvents, convenience of post-treatment, high product purity and the like.

The invention belongs to the technical field of metal working fluids, and particularly relates to a high-extreme-pressure emulsified cutting fluid and a preparation method thereof. The high-extreme-pressure emulsified cutting fluid is prepared by uniformly mixing a cutting fluid working fluid and an ionic liquid at room temperature, the cutting fluid working fluid is prepared by uniformly mixing a cutting fluid stock solution and water at room temperature. The cutting fluid stock solution is prepared from the following components: tetrameric ricinoleate, pentaerythritol oleate, trimethylolpropane oleate, an emulsifier, barium petroleum sulfonate, sodium petroleum sulfonate, zinc dialkyl dithiophosphate, sebacic acid, triethanolamine, ethanolamine, a bactericide, a defoaming agent, alcohol ether carboxylic acid, benzotriazole, boric acid and the balance of water. The high-extreme-pressure emulsified cutting fluid has good lubricating property, the lubricating property and the extreme pressure property of the emulsified cutting fluid are remarkably improved by introducing the ionic liquid, and the maximum non-seizure load PB value can reach 2708N.

The application discloses a preparation method of deodorizing anion dopamine modified graphene quantum dot cloud wool, and relates to the technical field of cloud wool.The hydroxyl tyrosol 3-sodium sulfate salt and sebacic acid are used in polyester polymerization reaction to prepare elastic polyester particles, so that the deformation resistance of the cloud wool is improved; meanwhile, the sulfate radical has the effects of antistatic and antibacterial; finally, the polyester chip is used as a core layer, the elastic polyester particles, dopamine modified graphene quantum dots and modified antibacterial agent are used as a skin layer, and melt spinning is carried out to prepare the deodorizing anion dopamine modified graphene quantum dot cloud wool, so that the effects of antibacterial, deodorization and antistatic are realized.The modified antibacterial agent uses 1,6-dibromoisoquinoline-3-amine and N,N,N',N'-tetramethyl-2-butene-1,4-diamine to form a double quaternary ammonium salt structure, so that the antibacterial effect of the cloud wool is improved, the elastic polyester particles are assisted, and the deodorization effect is improved; finally, tea polyphenol is added in the melt spinning process, a three-dimensional structure is formed, the skin layer protection capability is improved, and the deformation resistance is improved.