195 results about "Adamantane" patented technology

The invention belongs to the technical field of oil field drilling, and particularly relates to a preparation method of modified sulfonated phenolic resin for drilling fluid, and the modified sulfonated phenolic resin is prepared by chemically bonding a functional monomer simultaneously containing sulfonic acid anions and quaternary ammonium cations in a phenolic resin structure in a free radical polymerization mode. The quaternary ammonium cation group adsorbs negatively-charged clay particles, the adamantyl group can be adsorbed in hydrophobic areas of the clay particles through association, and the sulfonated phenolic resin can be quickly adsorbed on the surface of the clay in a double adsorption mode of hydrogen bonds and electrostatic attraction. Besides, a large number of sulfonic acid anions can form a compact solvation layer after hydration, and a compact coating film can be formed when phenolic resin is quickly adsorbed on the surface of clay, so that the clay is prevented from being in contact with water, the stability of clay particles is realized, a compact mud cake can be formed, and the prepared phenolic resin has good filtrate loss reduction performance.

The invention discloses organic silicon modified acrylic resin antifouling paint and a preparation method thereof, and particularly relates to the field of chemical paint. The antifouling paint is prepared from the following components in parts by mass: 8 to 12 parts of adamantane acrylate, 5 to 8 parts of trifluoroethyl acrylate, 2 to 3 parts of 2-hydroxyethyl acrylic phosphate, 0.8 to 1.2 parts of tert-butyl peroxypivalate, 4 to 6 parts of tridecafluorooctyltrimethoxysilane, 1 to 2 parts of isophorone diisocyanate, 3 to 6 parts of fluorosilane modified nano TiO2 and 1 to 2 parts of graphene oxide. 20-30 parts of deionized water, 0.5-1 part of a polyether modified polysiloxane defoaming agent, and 0.3-0.5 part of an ultraviolet light absorber UV-327 can be additionally added. The preparation method comprises the following steps: S1, preparing isocyanate modified fluorine-containing organic silicon; s2, preparing a ternary copolymer prepolymer; s3, preparing a modified resin matrix; s4, preparing a fluorosilane modified nano TiO2 / graphene oxide composite filler dispersion liquid; and S5, mixing the resin matrix and the dispersion liquid, and performing stirring and vacuum desolventizing to obtain a finished product. The coating has the characteristics of super-hydrophobicity, high hardness, strong adhesion, long-acting antifouling property, aging resistance and environmental protection.

The invention discloses long-acting high-dynamic hydrazone bond hydrogel as well as a preparation method and application thereof, and particularly relates to the technical field of biomedical materials. The preparation method comprises the following steps: taking 1-adamantane acetic acid and adipic dihydrazide modified sodium hyaluronate and benzaldehyde-terminated eight-arm polyethylene glycol as carrier raw materials; the hydrazone bond hydrogel with relatively high stability is prepared through a coupling reaction of an aldehyde group of benzaldehyde-terminated eight-arm polyethylene glycol and a hydrazide group of 1-adamantane acetic acid and adipic dihydrazide modified sodium hyaluronate. The beta-cyclodextrin modified m-phenylenediamine catalyst is dynamically combined into the carrier through reversible host-guest complexation between beta-cyclodextrin and 1-adamantane acetic acid, so that the long-acting high-dynamic hydrazone bond hydrogel is obtained, and the requirement of three-dimensional culture of stem cells on mechanical properties can be met; and network dynamics can be maintained for a long time, so that stem cell spreading is supported, mechanical signal transduction is activated, osteogenesis-related gene expression is promoted, and stem cell osteogenesis differentiation capability is enhanced.

The application belongs to the technical field of automobile intelligent display and polymer optical material, and relates to a front windshield anti-reflection film for automobile AR-HUD and a preparation method thereof. The anti-reflection film comprises modified optical acrylic resin, 9,9-bis(4-hydroxyphenyl) fluorene, nano-silica sol, ultraviolet absorber, light stabilizer and leveling agent. The modified optical acrylic resin is modified by introducing o-diphenol structural unit, aryl boronic acid structural unit, beta-cyclodextrin structural unit and adamantane structural unit into the acrylate base structure to form a dynamic borate ester bond and a host-guest inclusion synergistic topological network structure through free radical copolymerization. The anti-reflection film significantly improves the reflection efficiency of the target wave band of AR-HUD while maintaining high visible light transmittance, and exhibits excellent optical stability and double image control ability in a humid heat environment, and is suitable for the field of optical functional film of automobile front windshield.

The application belongs to the technical field of fluorescent probe detection, and discloses a bimetallic nanocluster fluorescent probe compound and application thereof in preparation of a product for rapidly detecting acetylene. The fluorescent probe compound is a gold-copper bimetallic nanocluster solution modified by adamantane thiol, which is used as a fluorescent probe for acetylene detection. The solution has a clear and controllable preparation process. Through specific proportioning and reaction conditions of cuprous chloride, adamantane thiol, tetrachloroauric acid, sodium borohydride and other reagents, a probe solution with stable fluorescence characteristics can be prepared. The bimetallic nanocluster fluorescent probe compound is applied in preparation of a product for rapidly detecting acetylene. Through specific combination of fluorescent molecules and acetylene gas to trigger the secondary effect of fluorescence quenching, detection is realized, and other substances cannot trigger quenching. At a wavelength of 700 nm, the linear relationship (R 2 >0.99) between the fluorescence intensity and the acetylene concentration realizes accurate quantification of the acetylene concentration, and the minimum detection limit is 0.026 muL / L.

This invention relates to the field of functional textile materials technology, and discloses a fluorine-free waterproof fabric and its preparation process. The fluorine-free waterproof fabric is composed of a host-guest inclusion crosslinking type organosilicon synergistic film-forming agent, an organic small molecule film-forming component, a crosslinking promoter, a dispersant stabilizer, a softening agent, and a solvent. The host-guest inclusion crosslinking type organosilicon synergistic film-forming agent is prepared by forming a host-guest inclusion structure with β-cyclodextrin and adamantane carboxylic acid, followed by reactive modification with 3-isocyanate propyltriethoxysilane. The organic small molecule film-forming component is norbornene-2-carboxylic acid. Through host-guest inclusion, crosslinking, and organic small molecule synergistic film formation, a stable and dense fluorine-free waterproof functional layer is formed on the fabric surface. This invention significantly improves waterproof performance and its washability and abrasion resistance without using fluorine-containing compounds, while also maintaining the soft hand feel of the fabric, demonstrating good environmental friendliness and application prospects.

The invention relates to the technical field of adsorption materials, in particular to modified adsorption resin for a high-impurity n-heptane raw material and a purification method of the modified adsorption resin. The resin is prepared from the following raw materials: polystyrene-divinylbenzene resin microspheres, chloromethyl ether, 1, 3, 5, 7-tetra (4-chloromethylphenyl) adamantane, 2-methylimidazole and the like. During preparation, polystyrene-divinylbenzene resin microspheres are subjected to chloromethylation to introduce active sites, adamantine crosslinking to construct rigid pore channels, and imidazolyl functionalization to introduce specific adsorption sites. During purification, dynamic adsorption is performed after pretreatment of two stages of adsorption columns, mild regeneration is performed by using an ethanol-acetone mixed solution, isoparaffin, aromatic hydrocarbon and oxygen-containing compounds can be synchronously removed, high-purity n-heptane is obtained, the resin regeneration performance is excellent, and the whole process is easy to industrialize.

The application relates to the technical field of polyurethane packaging materials, and discloses a high-wear-resistance polyurethane packaging material for electronic products and a preparation method thereof, which is prepared by the following steps: stirring and mixing sulfur-containing modified polyurethane, sodium sulfonate modified adamantane, antioxidant 245 and silicon carbide, then adding water, stirring and foaming, wherein the stirring speed is 1000-1100 r / min, pouring the foamed mixture into a mold, and curing and forming to obtain the high-wear-resistance polyurethane packaging material. The high-wear-resistance polyurethane packaging material has good flame-retardant and wear-resistant effects.

The invention relates to the technical field of high-temperature-resistant low-dielectric polymer materials, in particular to a compound containing an adamantane structure, a preparation method of the compound, polyimide and a preparation method of the polyimide, and the compound containing the adamantane structure has at least one of the following structures shown in the specification, in the formula (I), R1 and R2 independently represent-H, a C1-6 alkyl group, a halogenated C1-6 alkyl group, a methoxy group, a phenyl group, a trifluoromethyl group,-F,-Cl or-Br. The compound containing the adamantane structure provided by the invention has high symmetry and can be used as a raw material for preparing polyimide, so that the prepared polyimide is low in dielectric constant and excellent in optical performance.

Methods of depositing an adamantane film are described, which may be used in the manufacture of integrated circuits. Methods include processing a substrate in which an adamantane seed layer is deposited on a substrate, converting to a diamond nuclei layer having an increased crystallinity relative to the adamantane seed layer and then grown into full nanocrystalline diamond film from the diamond nuclei layer.

The invention belongs to the technical field of medical dressings, and provides a hydrocolloid acne patch and a preparation method thereof. According to the invention, beta-cyclodextrin functionalized gelatin and adamantane functionalized hyaluronic acid are subjected to inclusion interaction to form a reversible cross-linked network, and hydroxypropyl trimethyl ammonium chloride chitosan and sodium carboxymethyl cellulose are subjected to electrostatic interaction to form a polyelectrolyte cross-linked network; the genipin is combined with a primary amine group amido bond to form a triple cross-linked network structure design of a covalent cross-linked network, and antibacterial components such as a gamma-cyclodextrin-salicylic acid inclusion compound are loaded, so that the excellent properties that the self-healing recovery rate is 90-95%, the water vapor transmission rate is 500-900g. M <-2 >. 24h <-1 >, and the peel strength is greater than or equal to 1.0 N / 25mm are realized; the technical problem that an existing hydrocolloid acne patch is insufficient in antibacterial persistence and self-healing and repairing capacity is solved, and wide application value is achieved.

A simple synthetic method of adamantane formate belongs to the technical field of adamantane formate, and comprises the following steps: 1) preparing adamantane formyl chloride: under the protection of nitrogen, carrying out heating reflux reaction on adamantane carboxylic acid and an acyl chloride reagent at 0-70 DEG C for 3-6 hours, and then carrying out rotary evaporation to obtain adamantane formyl chloride; dichloromethane, an acid-binding agent and an alkyl alcohol / alkylphenol mixture are added into the adamantane formyl chloride obtained in the step 1 through a dropping funnel, the mixture reacts for 8-10 h at the temperature of 0-30 DEG C, adamantane formate is synthesized and can be used for preparing lubricating oil, and the method is easy and convenient to implement, high in reaction rate, high in product yield and high in purity.

A copolymer includes a copolymer X and a chelating agent molecule bonded to the copolymer X. The copolymer X includes structural units of (A), (B), and (C),where R1, R2, and R3 are independently a hydrogen or a C1-3 alkyl, R4 is a C1-3 alkyl, R5 is a hydrogen, a C1-18 alkyl, a 3- to 8-membered cycloalkyl optionally having a substituent, an adamantyl, a C6-18 aryl optionally having a substituent, or a 5- to 10-membered heteroaryl group optionally having a substituent, X1, X2, and X3 are independently an oxygen, a sulfur, or N—R7, R6 is a hydrogen, a leaving group, or a linker, R7 is a hydrogen or a C1-3 alkyl group, m is an integer in the range of 1 to 100, and n is an integer in the range of 0 to 3.

The invention belongs to the technical field of drug synthesis and particularly relates to a chiral molecular derivative based on an adamantane structure as well as a preparation method and application of the chiral molecular derivative. The chiral molecular derivative based on the adamantane structure is specifically two enantiomer derivatives and has a structure shown in a formula I or a formula II, the product is a compound with a chiral structure, has a clear spatial configuration and shows different immunoregulation activities, the chiral molecular derivative with the structure shown in the formula I can enhance immune response, and the chiral molecular derivative with the structure shown in the formula II can enhance immune response. And the effect is better than that of a chiral molecular derivative with a structure shown in a formula II. Formula I; formula II.

This invention provides a nitric oxide generating device and a method for manufacturing the same. [Solution] In an exemplary method, a solution is introduced into the lumen of a nitric oxide permeable polymer object. The solution contains a solvent and S-nitroso-1-adamantanethol dissolved in the solvent. The solution is immersed in the lumen of the nitric oxide permeable polymer object for a maximum of 12 hours. The solution is then removed from the lumen of the nitric oxide permeable polymer object.

The invention discloses a preparation method of 1-bromo-adamantane, and aims to provide an industrial preparation scheme of 1-bromo-adamantane, and the technical scheme is as follows: firstly adding liquid bromine into an acid-corrosion-resistant glass-lined reaction kettle, slowly adding adamantane according to the mass ratio of adamantane to liquid bromine being 1: 2, sampling, detecting and reacting, then steaming bromine, then adding a dispersing agent, and reacting for 2-3 hours; and separating the residual elemental bromine to obtain the 1-bromo adamantane. The method has the characteristics of high reaction safety, low bromine consumption, mild reaction, high comprehensive cost and the like.

This invention provides the application of adamantane-1,3-diamine in the preparation of reverse osmosis membranes with controllable desalination performance, the reverse osmosis membrane itself, its preparation method, and its application, relating to the field of reverse osmosis membrane preparation. The controllable desalination performance reverse osmosis membrane includes a polysulfone ultrafiltration membrane and a polyamide layer disposed on the surface of the polysulfone ultrafiltration membrane; wherein the polyamide layer is formed by interfacial polymerization of an aqueous amine solution and an organic acyl chloride solution followed by heat treatment and curing; and the aqueous amine solution contains adamantane-1,3-diamine. This invention, by adding adamantane-1,3-diamine, prepares a series of SWRO membranes with similar surface morphology and permeate flux, but different desalination performances. This allows for flexible fulfillment of diverse application requirements without altering existing permeate processes and membrane cleaning processes, improving the overall efficiency and economy of the system.

A drug complex may include a target recognition molecule bonded to a copolymer X including structural units of (A), (B), and (C):R1, R2, and R3 being independently H or C1-3 alkyl, R4 being C1-3 alkyl, R5 being H, C1-18 alkyl, 3- to 8-membered cycloalkyl optionally being substituted, adamantyl, C6-18 aryl optionally being substituted, or 5- to 10-membered heteroaryl group optionally being substituted, X1, X2, and X3 being independent O, S, or N—R7, R6 being H, leaving group, or linker, R7 being H or C1-3 alkyl group, m being 1 to 100, and n being 0 to 3.

The invention discloses a halogen modified hapten for enhancing antibody titer and affinity as well as a preparation method and application of the halogen modified hapten, and belongs to the technical field of biochemical engineering. According to the method, an amantadine structure is innovatively and chemically modified, various halogens such as fluorine, chlorine and bromine are introduced, the AMA halogen modified hapten shown in the formula (I) is formed, and the traditional'most similar 'design principle is broken through. Compared with an unmodified hapten, the hapten modified by halogen in the invention has the advantages that the titer of the polyclonal antibody on amantadine can be obviously improved by 3.4-14 times; wherein the haptens A5 and A6 can obviously improve the titer of the monoclonal antibody to amantadine by 3-18 times, and the affinity is improved by 10.8-16.1 times. The invention provides a new thought and a new method for the rational design of the hapten of the small molecule compound and the preparation of the high-affinity antibody, and the related halogen modification type and quantity strategy can also provide valuable reference for the design of the hapten of other small molecule compounds.

The invention belongs to the technical field of organic electroluminescent materials, and particularly relates to a deuterated compound and an organic device containing the deuterated compound. The organic compound is composed of carbazole having a deuterated aryl group substituted by adamantyl, a direct bond or a benzene ring, a carbazole-based group, and a central aryl group or heteroaryl group, and may include a plurality of adamantyl groups. When the compound provided by the invention is used as a hole transport layer or a light-emitting layer of the organic light-emitting device, the driving voltage of the organic light-emitting device can be effectively reduced, the light-emitting efficiency of the device is improved, and the service life of the device is prolonged.

The present invention relates to a solar cell, wherein the solar cell is a single solar cell or a subcell of a multi-junction solar cell, wherein the solar cell comprises an absorber layer, one or more passivation layers, an electron transport layer conductively connected to at least one negative electrode of the solar cell, and a hole transport layer conductively connected to at least one positive electrode of the solar cell; wherein the passivation layer comprises a compound of formula (A) and / or formula (B).

The present application relates to the technical field of phase change materials, and particularly relates to a cold storage agent for ice bags and a preparation method thereof. The cold storage agent comprises deionized water, propylene glycol and modified sodium carboxymethyl cellulose. The core is that the sodium carboxymethyl cellulose is chemically modified: first, an aldehyde group is introduced by oxidation, then 6-amino-6-deoxy-beta-cyclodextrin pre-coated with 1-adamantane amine and dodecylamine are grafted onto the polymer chain to construct a hierarchical network with stable host-guest nodes and dynamic hydrophobic association. The structure significantly improves the freeze-thaw stability of the cold storage agent, the viscosity retention rate can reach more than 85% after 20 cycles, the water separation rate is less than 3.2%, and the cold storage agent has good shear thinning characteristics and excellent cold storage uniformity, effectively overcoming the problems of easy water separation, viscosity attenuation and uneven cold storage of conventional products.

Provided herein are compounds comprising a formula of 4-(3- amino-1-(isoquinolin-6-ylamino)-1-oxopropan-2-y I) benzyl adamantane carboxylate (e.g., compounds of formula (I) ) or a pharmaceutically acceptable salt thereof. The compounds are useful for reducing intraocular pressure and for treating glaucoma or ocular hypertension. Formula (I).

This invention belongs to the field of coating technology and discloses a high-penetration electrophoretic coating, its preparation method, and its application. The preparation method includes the following steps: mixing epoxy resin, dihydroxypolydimethylsiloxane, adamantane, a silane coupling agent, alcohol, and water; then adding modified pigments and additives and mixing to obtain the electrophoretic coating. The preparation of the modified pigment includes the following steps: mixing pigment, polyethylene glycol, a silane coupling agent, 2,2-dimethylolpropionic acid, sodium dodecyl sulfonate, and water to obtain the modified pigment. The electrophoretic coating of this invention has a penetration rate exceeding 66.0%, even reaching 71.1%, and the impact strength of the coating film formed by the electrophoretic coating can exceed 58 kg·cm.

The invention discloses application of a small molecule compound in targeting TOPBP1 protein, and belongs to the technical field of biological medicine. The application verifies that various small molecular compounds, namely diclofenac sodium, zaltoprofen, quinine and adamantine acetic acid, can be combined with the BRCT 7-8 structural domain of the TOPBP1, so as to target the TOPBP1 protein, and the dissociation equilibrium constant of the combination is between 100 and 250 mu M. And through AI model prediction, X-ray crystallography technology and the like, the combined action mechanism is disclosed. The application proves that diclofenac sodium, zaltoprofen, quinine and adamantane acetic acid as a class of small molecular compounds have the potential of serving as candidate molecules of antitumor drugs.

The invention discloses an anti-oxidation special steel high-speed wire decarburization prevention material which is prepared from the following components in parts by weight: 30-50 parts of a component A, 30-50 parts of a component B, 10-30 parts of a component C, 10-30 parts of a component D and 5-10 parts of a pigment, the component A is internally provided with boron modified adamantane, epoxy bentonite, silicon phosphate, amino acid potassium and amino modified triazine, and the component D is internally provided with boron modified adamantane, epoxy bentonite, silicon phosphate, amino acid potassium and amino modified triazine. The component B is internally provided with nano graphene, polyvinyl alcohol, a transparent film and benzoic acid, and the component C is internally provided with SiO2, Al2O3, talcum powder and gypsum powder. After the product is brushed, a coating is compact, the texture is hard, no gap or void exists, the oxidation loss of steel and iron during heat treatment and the procedure of removing oxide skin are avoided through coating smearing, and the coating quality is improved. The specification and the size of the workpiece are more accurate; fatigue strength reduction caused by metal decarburization during heat treatment is avoided, surface gas absorption of metal during heat treatment is avoided, and metal embrittlement is prevented.

The present invention relates to a solar cell, wherein: the solar cell is a single-junction solar cell or a sub-cell of a multi-junction solar cell; the solar cell comprises an absorber layer, one or more passivation layers, an electron-transport layer conductively connected to at least one negative electrode of the solar cell, and a hole-transport layer conductively connected to at least one positive electrode of the solar cell; and the passivation layer comprises a compound of formula (A) and / or formula (B).

The invention provides a platinum metal complex as well as a preparation method and application thereof in an organic electroluminescent device, the metal complex has a structure shown in a general formula I. An adamantane structural unit is introduced to the Pt metal complex to form a Pt ligand, so that the effects of preventing close packing and exciton dispersion among molecules are achieved; therefore, aggregation quenching of triplet excitons is reduced, and the efficiency and the service life of the organic electroluminescent device are improved.

This invention relates to the field of high-temperature resistant, low-dielectric polymer materials technology, and particularly to a diamine monomer containing an adamantane structure and its preparation method, polyimides and their preparation methods and applications, and polyimide films. The adamantane-containing diamine monomer has the following structure: wherein R1, R2, and R3 are the same or different, and each independently represents -H, C1-6 alkyl, halogenated C1-6 alkyl, methoxy, phenyl, -F, -Cl, or -Br. This invention introduces an adamantane alkyl group and a flexible ether bond into an aromatic diamine monomer, enabling the reaction of the diamine monomer with dianhydrides as a raw material for preparing polyimides to obtain polyimides with high solubility, high transparency, and low dielectric constant.

This invention discloses a wastewater treatment agent based on graphene composite materials and its preparation method, belonging to the field of wastewater treatment technology. The method involves crosslinking cyclodextrin into a network macromolecule, combining it with adamantane-modified graphene, and utilizing host-guest complexation to prepare the composite material. The preparation method of this invention is simple, the raw materials are readily available, and it exhibits efficient adsorption of common heavy metal ions in wastewater. It can be effectively applied in the field of wastewater treatment and has good application prospects.