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93results about How to "Good combination stability" patented technology

Preparation method of atomization component and electronic cigarette atomizer

The invention provides an electronic cigarette atomizer, which comprises an oil storage cavity used for storing smoke tar and an atomizing component used for sucking the smoke oil from the oil storagecavity and heating and atomizing the smoke oil; the atomizing component comprises a porous ceramic layer, a compact ceramic layer and a heating element which are sequentially stacked; the porous ceramic layer has a first surface opposite to the compact ceramic layer and a second surface opposite to the first surface; the compact ceramic layer is bonded to at least a portion of the first surface and the second surface is configured as an oil-absorbing surface in contact with the smoke oil. With the adoption of the electronic cigarette atomizer provided by the invention, the smoke oil is soakedand absorbed and conducted in the laminating direction of the porous ceramic layer and the compact ceramic layer in the atomizing component, so that the conduction efficiency of the smoke oil is greatly improved; the smoothness and bond stability of the heating element are better so that the problems that the resistance of the heating element is unstable to float and cannot be conducted even whenthe heating element is broken are solved; and the whole working stability and the service life can be obviously improved.
Owner:SHENZHEN FIRST UNION TECH CO LTD

Metal monatomic catalyst and preparation method thereof

The invention belongs to the technical field of catalysts, and particularly relates to a preparation method of a metal monatomic catalyst, which comprises the following steps: in a first protective gas atmosphere, carrying out laser treatment on a mixed solution containing a metal material and a dispersing agent to obtain a metal monatomic mixed solution; mixing the metal single atom mixed solution with a substrate material, and then carrying out hydrothermal reaction to obtain a precursor loaded with metal single atoms; and in a second protective gas atmosphere, mixing the precursor with a nitrogen-containing compound, and sintering to obtain the nitrogen-doped metal monatomic catalyst. According to the preparation method of the metal monatomic catalyst, the metal monatomic catalyst can be obtained only through simple laser treatment, hydrothermal reaction and sintering treatment; the metal monatomic active site catalysis is achieved, the catalytic performance of the material is improved, operation is easy, and industrial large-scale production and application are easy to achieve.
Owner:SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA

Conductive fabric and preparation method thereof

The invention provides a conductive fabric and a preparation method thereof. The conductive fabric comprises, from inside to outside, an adhesive force improving layer attached to the surface layer ofa fabric substrate, a liquid metal layer, an oxygen isolation protective layer and a packaging protective layer. The preparation method comprises: applying the adhesive force improving layer to the surface layer of a fabric substrate, coating the adhesive force improving layer with the liquid metal layer, coating the liquid metal layer with the oxygen isolation protective layer, and coating the oxygen isolation protective layer with the packaging protective layer. The coating manner includes spraying, brush coating, flow coating or printing. Compared with a conductive fabric in the prior art,the conductive fabric is excellent in conductivity, fold resistance, laundering durability and tensile property. The preparation method is simple and reliable.
Owner:BEIJING DREAM INK TECH CO LTD

Composite solid-state electrolyte, solid-state battery and preparation method of solid-state battery

The invention belongs to the technical field of batteries, and particularly relates to a composite solid-state electrolyte which comprises an organic polymer, a lithium salt, an ionic liquid and an inorganic solid electrolyte material, wherein the mass ratio of the polymer to the lithium salt to the ionic liquid to the inorganic solid electrolyte material is 1: (0.1-0.6): (0.1-1): (0.05-0.2). Thecomposite solid-state electrolyte disclosed by the invention is high in ionic conductivity, high in stability, good in compatibility with positive and negative electrodes and excellent in mechanical property, and the composite solid-state electrolyte has excellent mechanical property due to a polymer framework; the lithium salt provides lithium ions for the solid electrolyte; the ionic liquid improves the conductivity of the electrolyte; the inorganic solid electrolyte material can be crosslinked with the polymer to further improve the mechanical properties of the solid electrolyte and increase the strength.
Owner:SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA

Ceramides, compositions thereof and methods of use thereof

Novel ceramide compounds, compositions containing them and the use of these compounds, in particular for strengthening the lipid barrier of the epidermis.
Owner:LOREAL SA

Brown polyazo reactive dye compound, and preparation method and application thereof

The invention discloses a brown polyazo reactive dye compound, and a preparation method and an application thereof. The structure of the brown reactive dye compound is represented by general formula (I), one of R1 and R2 in the formula (I) is selected from groups represented by general formula (II), the other one of the R1 and R2 is selected from groups represented by general formula (III), and R3 in the formula (II) is H, -OCH3 or -SO3M; -SO2OCH2CH2OSO3M is positioned in the para-position or the meta-position of an azo group; and in the formula (III), R4 is -NHCONH2 or -NHCOCH3, R5 is H or -OCH3, R6 is H, -OCH3 or -SO3M, and M1 and M2 respectively and independently are H or alkali metals. The dye compound is suitable for printing and dyeing cellulose fibers, and has the advantages of excellent dye uptake, high color fixing rate, excellent launderability, excellent friction resistance, excellent color fastness, and good combustion stability with the fibers.
Owner:ZHEJIANG LONGSHENG GROUP +1

Determination method of arsenic valence

The invention discloses a determination method of arsenic valence. The method comprises the steps of: (1) adding an extracting solution which is a mixed solution of H3PO4 and ascorbic acid into a sample to be measured, which is coal or household garbage incineration ash, soil or sludge, completely releasing the produced gas, digesting by microwave, filtering a digestion liquid, washing the residue by an extracting solution, collecting the washing liquid, mixing the extracting solution with the filtrate, and making up to volume; (2) separating trivalent and pentavalent arsenic; (3) reducing the separated trivalent and pentavalent arsenic to obtain arsenic hydride gas; and (4) determining the arsenic hydride gas obtained by reduction of arsenic in different valence, so as to obtain the content of trivalent and pentavalent arsenic in the sample to be measured. The method can achieve nondestructive extraction and fast and effective separation of trivalent and pentavalent arsenic, has the advantages of high accuracy of the determination results, simple operation, low cost on determination and equipment maintenance, and is applicable to analysis and determination of arsenic form in solid wastes such as fuel burning ash, soil and sludge.
Owner:HUAZHONG UNIV OF SCI & TECH

Phytic acid-metal ion complex composite nano-filtration membrane and preparation method thereof

The invention provides a composite nano-filtration membrane using a phytic acid-metal ion complex as a separation layer, and a preparation method thereof, and relates to the field of membrane technologies. First, the surface of a polymer porous support membrane is pretreated, and then a phytic acid-metal ion complex functional surface layer is deposited on the modified porous support membrane by one step. The surface layer has a strong chemical force with the porous support membrane, is uniform and stable in structure, and has very high hydrophilicity. The prepared composite nano-filtration membrane has excellent separation function, anti-pollution performance and long-term use stability. The preparation method provided by the invention is simple and convenient to operate, mild in condition, low in cost and environmentally friendly, and has prospects in industrial production and commercial application.
Owner:XIAMEN UNIV OF TECH

Active dye containing ultraviolet absorbing groups

InactiveCN101177543ADyeableUV absorbingReactive dyesDyeing processCellulose fiberPhotochemistry
The invention provides a dye compound containing an ultraviolet absorbing group, and also provides a preparation method and application of the dye compound. The dye compound of the present invention can be firmly combined with cellulose fibers and has excellent ultraviolet absorption performance.
Owner:DALIAN UNIV OF TECH

Aluminum alloy material surface phosphating process

The invention discloses an aluminum alloy material surface phosphating process. The aluminum alloy material surface phosphating process comprises the following steps that (1) surface pretreatment is carried out; (2) phosphating liquid is prepared; and (3) phosphating is carried out. According to the phosphating process, the surface treatment quality of an aluminum alloy material is effectively improved, the phosphating film forming speed, thickness, uniformity, compactness and the like are all well improved, the corrosion-resistance characteristic of the aluminum alloy material is strengthened, the bonding stability of the aluminum alloy material and coating is improved, and the very good using and popularizing value is achieved.
Owner:安徽省金寨县新诚机械制造有限公司

Reactive dark blue bisazo dye and preparation method thereof

The invention relates to a reactive dark blue bisazo dye having a structural formula shown in the formula (1), wherein R1 and R2 are selected from -H, CH3 (CH2)n-, CH3(CH2)n-O-, -COOH or -SO3H and n is between 0 and 3; R3 is can be -CH2CH2- or -CH2CH2CH2-; R4 can be -CH2CH3 or -CH2CH2-W and W is an acid radical or halogen element; X is a halogen element; Z1 is -CH2-CH2-U and U is an acid radical or halogen element; and Z2 can be phenyl, tolyl, naphthyl or naphthyl sulfonyl. The dye provided by the invention has high reactivity, excellent color fixation and excellent deep dyeing property and good stability of combination with fiber fabric, and the fabric dyed with the reactive dark blue bisazo dye has excellent light fastness, humidity resistance and acid-base-resistance fastness; in addition, the invention relates to a preparation method of the dye and the application of the dye in fabrics such as cotton.
Owner:吴江桃源染料有限公司

Orange reactive dye compound as well as preparation method and application thereof

The invention discloses an orange reactive dye compound as well as a preparation method and the application thereof. The structure of the orange reactive dye compound is as shown in the following formula (I), wherein R1, R2, R3 and R4 are independently H, C1 to C4 linear chain or branched alkyl, C1 to C4 alkoxy or sulfo group; X1 and X2 are independently H, C1 to C4 linear chain or branched alkyl,-SO2Y1, -NHCO(CH2)1 to 3 SO2Y2 or -CONH(CH2)1 to 3 SO2Y3, and at least one of X1 and X2 is a fibrous active group, namely -SO2Y1, -NHCO(CH2)1-3 SO2Y2 or -CONH(CH2)1 to 3 SO2Y3; Y1 to Y3 are independently -CH=CH2, -C2H4OSO3H or -CH2CH2Cl. The invention provides an orange reactive dye product which contains the orange reactive dye compound. The orange reactive dye compound and the orange reactive dye product are applicable to printing and dyeing of a cellulosic fiber, a polyarmide fiber and a fabric thereof, and have the advantages of high leveling property, high lifting force, high fixation rate, clear dyeing residual liquid, excellent washability and color fastness and high stability in fiber combination.
Owner:ZHEJIANG KEYONG CHEM CO LTD +1

Oral cavity implant stiffener and digital processing method thereof

The invention belongs to the field of oral cavity rehabilitation, and discloses an oral cavity implant stiffener and a digital processing method thereof. The oral cavity implant stiffener comprises aconnecting rod and at least two positioning structural members, wherein the positioning structural members and implanting positions are in corresponding arrangement; each of the positioning structuralmembers is provided with a positioning part, and the running direction of each of the positioning parts is the same as that of the corresponding implanting position; the connecting rod is connected between every two positioning structural members; and the connecting rod and the positioning structural members are made from a rigid material. Compared with steel wires, the oral cavity implant stiffener is higher in rigidity, the force is easier and uniformly transferred to various implants, the entire dispersing action of jaw force is improved, and initial stage synostosis and long-term stability of the implants are facilitated. According to implant pattern digital design, the time cost and the work difficulty can be greatly reduced, a technician does not need special tuning, and the reworkpercentage does not exist almost. Because of the mechanical property and the force conduction advantages, immediate rehabilitation can be realized for more implant cases, and indication is extended.
Owner:CHENGDU DT DENTALLAB CO LTD

Orange active dye compound, and preparation method and applications thereof

The invention discloses an orange active dye compound, and a preparation method and applications thereof. The structure of the orange active dye compound is represented by general formula (I), wherein R1 is used for representing C1-C4 alkyl, R2 is used for representing a group disclosed in the invention, R3 is used for representing H or C1-C4 alkyl, X is used for representing chorine or fluorine, and M is used for representing H or alkali metal. The invention also provides applications of the orange active dye compound in cellulosic fiber dying; the orange active dye compound is high in lifting properties and solubility, possesses excellent washing resistance, friction resistance, and colour fastness, and is capable of satisfying requirements of common printing, and especially printing technology used for automatic size mixing systems, and binding stability with cellulosic fiber is high.
Owner:ZHEJIANG LONGSHENG GROUP +2

Antichlor and preparation method thereof

The invention relates to antichlor, which belongs to the technical field of fine chemical engineering. The antichlor comprises 20 to 40 percent by weight of aliphatic amine, 30 to 50 percent by weight of alicyclic amine and 10 to 30 percent by weight of alkylol amine. The antichlor is prepared by filtering the raw materials after being uniformly blended to remove impurities. The antichlor is a water soluble flux, has good compatibility with electro-desalting medium, has a synergistic action on the salt content after the electro-desalting of an atmospheric and vacuum distillation unit, has remarkable effect on removing the cchloride ion concentration of drainage and naphtha on top of the device, can effectively improve the corrosion resistance of the device and prolong an on-stream time, is simple to operate and low in cost, and has remarkable economic benefit of the device.
Owner:金浦新材料股份有限公司

Kit for extracting stable bacterial genome DNA by paramagnetic particle method and extraction method thereof

The invention provides a kit for extracting stable bacterial genome DNA by a paramagnetic particle method and an extraction method thereof. The kit comprises a lysis reagent group for lysing and releasing bacterial genome DNA and an extraction reagent group for extracting the genome DNA, wherein the lysis reagent group consists of a buffer solution and a lysis solution; the extraction reagent group consists of a paramagnetic particle binding solution, a washing solution and an eluent; and the paramagnetic particle binding solution consists of sodium salt sodium citrate or sodium acetate, a reducing agent dithiothreitol, guanidine hydrochloride and a paramagnetic particle suspension. The raw materials are reasonably compounded to obtain the optimal proportion and the combined extraction conditions of a paramagnetic particle binding solution compounding system, and the extraction method is optimized, so that the extracted bacterial genome DNA has high purity and complete fragments, is difficult to degrade, has stability far superior to that of the commercially available kit, and has remarkable advantages in subsequent experiments such as DNA storage, hybridization, PCR and the like; and meanwhile, the reagents are nontoxic and have small environmental pollution.
Owner:WUHAN TEXTILE UNIV

Desulfurized reclaimed rubber recycled asphalt mixture and preparation method thereof

The invention discloses a desulfurized reclaimed rubber recycled asphalt mixture and a preparation method thereof, and belongs to the technical field of road engineering materials. The desulfurized reclaimed rubber recycled asphalt mixture is prepared from the following raw materials in parts by weight: 25-45 parts of an old asphalt pavement reclaimed material, 2-8 parts of matrix asphalt, 0.5-4 part of desulfurized rubber powder, 45-60 parts of a new aggregate and 3-8 parts of a component solubilizer. The preparation method comprises the following steps: heating and mixing the recycled asphalt pavement material of an old road and the matrix asphalt, adding the new aggregate, and finally adding the desulfurized rubber powder and the component solubilizer for modification. According to thedesulfurized reclaimed rubber recycled asphalt mixture, environmental pollution can be reduced, and the road maintenance and reconstruction cost can be reduced; and meanwhile, good anti-cracking performance is achieved, and emission of harmful gas can be reduced.
Owner:SOUTHEAST UNIV

Formaldehyde-free plywood preparation process

The invention discloses a formaldehyde-free plywood preparation process. The formaldehyde-free plywood preparation process comprises single-plate manufacturing, glue preparation, sizing, assembling, cold pressing and aftertreatment. After the cold pressing procedure is carried out, the step of a hot pressing procedure is further needed, and a waterborne polyurethane mixing agent is adopted as an adhesive composition in the sizing procedure. The formaldehyde-free plywood preparation process is suitable for adopting waterborne polyurethane, and plywood is good in bonding strength, even in plateblank thickness, not likely to deform and good in stability.
Owner:广西协力合板有限公司

Active yellow dye and preparation and application thereof

The invention discloses an active yellow dye and preparation and application thereof. The active yellow dye has a structure shown in formula (I). The active yellow dye has the advantages that the structure of monomer compound is novel, the property is excellent, the color fixation rate is good, and the color fastness rate is high; the stability is realized, the washing-resistant, abrasion-resistant and sun exposure-resistant property are good, and the binding stability with fibers is good; during dyeing, the usage amount of water is reduced, the dying duration is short, the consumption of energy sources is decreased, and the usage amount of salt is reduced; a finished product has excellent colorful degree, the production cost is low, and the active yellow dye can be popularized and applied in a large scale way.
Owner:TAIXING JINYUN DYESTUFF

Active orange dye and preparation and application thereof

The invention discloses an active orange dye and preparation and application thereof. The active orange dye has a structure shown in formula (I), wherein R is hydrogen, C1-5 alkyl groups, C1-5 alkoxyl groups, C1-5 carboxyl groups, aldehyde groups, sulfo groups or amide groups; Z is hydrogen or AlkSO3M, and Alk is methylene or ethylene; A1, A2 or A3 is respectively selected from self-substituted phenyl group or substituted naphthyl; M is hydrogen or alkaline metal ion. The active orange dye has the advantages that the color fixation rate and color fastness are good, the stability is good after dyeing, the color is bright, and the active orange dye can be widely applied to dyeing technologies, such as dip dyeing, roll dyeing and ink jet printing of cotton, hemp and manmade cotton fiber products; the production cost is low, and the active orange dye can be popularized and applied in a large scale way.
Owner:TAIXING JINYUN DYESTUFF

Construction method for damp-proof wall

The invention discloses a construction method for a damp-proof wall. The construction method comprises the following steps that ethylene glycol diacrylate, hydroxyethyl methylacrylate, 2, 4, 6-trimethylbenzoyl-diphenyl phosphine oxide and polyvinyl alcohol are added into a chemical industry kettle to be stirred evenly, the pressure is increased to 0.2-0.3 MPa and kept for 1.5-2 h, and a compound mother solution is obtained. According to an interface agent provided by the invention, the bonding strength of the interface agent and the wall is improved by adding silica fume, silane end-capping polyether, alkyl sulfonic acid phenyl ester and phenyl maleimide group silicone resin. The interface agent bears the load acted on the wall, meanwhile the interface agent has good anti-permeability and has good bonding effect with plastering mortar, the overall strength and moisture-proof performance of the wall are improved, and the interface agent has good fluidity and is convenient for construction.
Owner:常州东华建筑安装工程有限公司

Lifting workbench for maintenance of electric equipment

The invention discloses a lifting workbench for maintenance of electric equipment. The lifting workbench comprises a movable box body, wherein the movable box body comprises a stressed base and a mounting box, four hydraulic supporting legs are arranged at the bottom of the mounting box, a driving motor is arranged inside the mounting box, an output shaft of the driving motor is fixedly connectedwith a small wheel disc through a coupler, a driving rod is arranged between two driving wheels on the rear side of the mounting box, a large wheel disc meshed with the small wheel disc is arranged onthe driving rod, the stressed base is connected with an operation table through an electric hydraulic jack, a fork type support is arranged between the operation table and the stressed base and located on the inner side of the electric hydraulic jack through support movable wheels, an electric telescopic rod is arranged inside the operation table, and an auxiliary operation table is arranged on the electric telescopic rod. The lifting workbench is simple in structure and is provided with the auxiliary operation table so as to be adaptable to the heights of different maintenance parts, operation is convenient, operation safety is improved, the labor is saved, and the working efficiency is improved.
Owner:GUILIN JIEYU ENVIRONMENTAL PROTECTION SCI & TECH

Iridium complex, preparation method thereof and photodynamic therapy drug

InactiveCN111808111AObvious photodynamic therapy effectObvious phototoxicityOrganic chemistryEnergy modified materialsLysosomeSinglet oxygen
The invention belongs to the technical field of biological medicine, and particularly relates to an iridium complex, the structural general formula of the iridium complex is shown as a following formula I or formula II: wherein R1, R2, R3, R4, R5, R6, R7 and R8 are respectively and independently selected from one of hydrogen, alkoxy and aryl; Y1 and Y2 are ions counteracting the iridium complex main body; n1, n2, m1 and m2 are ionic valences, the absolute value of n1 is equal to the absolute value of n2, and the absolute value of m1 is equal to the absolute value of m2. The iridium complex disclosed by the invention is good in water solubility, can be specifically combined with cytolysosome, can generate singlet oxygen under an illumination condition, has an obvious photodynamic therapy effect on cells, does not generate singlet oxygen under a dark condition, does not have toxicity, and has a wide application prospect in photodynamic therapy drugs.
Owner:SHENZHEN UNIV

Reactive blue dye and preparation and application thereof

The invention discloses a reactive blue dye and preparation and application thereof. The structure of the reactive blue dye is shown in a formula (I) defined in the description. The reactive blue dye is novel in structure and excellent in performance, has the good fixation rate and color fastness, can effectively lower resource consumption, has the good stability after dyeing is performed, is bright in color, can be widely applied to dip dyeing, pad dyeing, inkjet printing and other dyeing technologies of cotton fiber products such as polyeseter, fiber and artificial cotton, is low in production cost and can achieve large-scale application and popularization.
Owner:TAIXING JINYUN DYESTUFF

Titanium implant with bionic electro-active coating and preparation method thereof

The invention relates to a titanium implant with a bionic electro-active coating and a preparation method, and solves the technical problem that an existing titanium implant coating is insufficient in biological activity or harmful to a human body, the titanium implant with the bionic electro-active coating is provided with the coating, the coating contains a filler and a polymer matrix, the filler is piezoelectric ceramic nano-particles, the matrix is a ferroelectric high-molecular polymer, the piezoelectric ceramic particles are uniformly dispersed in the ferroelectric polymer, and the invention also provides a preparation method of the titanium implant, so that the bionic electro-active coating can be firmly combined with the titanium surface. The method can be applied to the field of surface functional design and preparation of titanium implant materials.
Owner:PEKING UNIV SCHOOL OF STOMATOLOGY +1

Personalized dental implant with alveolar bone repair network and preparation method of implant

The invention discloses a personalized dental implant with an alveolar bone repair network. The implant is composed of an abutment segment, a personalized repair network segment and a bone graft segment in sequence, the length of the bone graft segment is greater than or equal to 1.5 mm and the periphery is provided with external threads; the surface of the personalized repair network segment is an arc-shaped curved surface, the arc-shaped curved surface gradually increases from one side close to the abutment segment to one side close to the bone graft segment, and holes are uniformly distributed in the arc-shaped curved surface; and the abutment segment includes a circular table and a hexagonal groove in the center of the circular table, and a central screw hole in the bottom of the hexagonal groove. Personalized model finite element analysis results of a patient are used for personalized design of the arc-shaped curved surface of the personalized repair network segment, bones are induced to grow into holes of the arc-shaped curved surface to achieve better biocompatibility and binding stability, and finally the method has the effects of significantly reducing the number of operation and the difficulty of the operation, shortens the recovery time of the patient and improves the success rate of implantation.
Owner:广东健齿生物科技有限公司

Production device and method of superconductive thermal graphene high-molecular radiator

The invention provides a production device and method of a superconductive thermal graphene high-molecular radiator, and relates to the technical field of heating equipment. The production device comprises a workbench used for placing a heat-conducting sheet and a film laminating device; the film laminating device comprises a glue outlet, an air suction port, a film pressing roler and a control roller assembly, wherein the glue outlet is positioned below a heat-conducting glue cavity, the air suction port is positioned on a negative pressure cavity and is formed in the opposite direction of feeding for air suction, the film pressing roller is used for pressing a graphene composite heat-conducting film on the upper surface of the heat-conducting sheet, and the control roller assembly is used for controlling the discharging speed; the graphene composite heat-conducting film is stretched and discharged through film pressing of the film pressing roller and speed limiting of the control roller assembly, meanwhile, in the space defined by the air suction port, the upper surface of the heat-conducting sheet and the graphene composite heat-conducting film at the bonding position, and the graphene composite heat-conducting film is sucked and bonded to the upper surface of the heat-conducting sheet through negative pressure of the air suction; and the workbench is further provided with aclamping mechanism for fixing the heat-conducting sheet. Under the condition that the graphene composite heat-conducting film is in a stretching and pressing bonding state, the film is tightly attached to the plate surface through the action of negative pressure suction.
Owner:圣劳伦斯(唐山)金属制品有限公司

Reactive red dye as well as preparation and application thereof

The invention discloses a reactive red dye as well as preparation and application thereof. The reactive red dye has a structure shown by formula (I), where X is F or Cl; A is mono-substituted or polysubstituted phenyl or naphthyl with a -SO2CHCH2 or -CONHC2H4SO2CHCH2 group; D is mono-substituted or polysubstituted phenyl with a -SO2CHCH2 or -CONHC2H4SO2CHCH2 group; R is C1-5 alkyl, phenyl or phenyl substituted C1-3 alkyl; and M is hydrogen and alkali metal. The reactive red dye disclosed by the invention has novel structure, excellent performance and good color fixing rate and color fastness and can effectively reduce the consumption of resources; after dyeing, the reactive red dye has perfect stability and bright color light and can be widely applied to the dyeing technologies such as dip dyeing, pad dyeing and inkjet printing of cotton fiber products including polyester cotton, hemp and artificial cotton; and moreover, the production cost is low, and the reactive red dye can be promoted and applied in a large scale.
Owner:TAIXING JINYUN DYESTUFF

Stratum degradation acid and application thereof

PendingCN112251214AGood anti-scaling functionEffectively remove formation pollutionDrilling compositionActive agentStrong acids
The invention discloses a safe and environment-friendly stratum degradation acid, which is mainly applied to acidification blockage removal during oil extraction, and comprises the following components in percentage by weight: 10-25% of citric acid; 1%-5% of polyacrylic acid; 5%-20% of dodecylbenzene sulfonic acid; 1%-5% of a surfactant; 1%-3% of a high-temperature corrosion inhibitor; 1%-5% of aniron stabilizer; 1%-3% of a clay stabilizer; 1%-3% of an intelligent agent; and remaining amount of water. The stratum degradation acid disclosed by the invention is good in acidification effect, long in lasting time, easy to biodegrade, safe and environment-friendly, has no adverse effect on stratums, and does not contain inorganic strong acids such as hydrochloric acid, hydrofluoric acid, nitric acid, organic acid formic acid, acetic acid, sulfamic acid, chlorosulfonic acid and the like which are commonly used in traditional acidification.
Owner:四川中汇安达石油化工有限公司
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