266 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 provides low-dielectric and high-heat-resistance adamantane type maleimide resin as well as a preparation method and application thereof, and belongs to the technical field of synthetic resin for electronic materials. The preparation method comprises the following steps: S1, dissolving an adamantane type amino compound to obtain a solution A; dissolving maleic anhydride to obtain a solution B; s2, dropwise adding the solution A into the solution B; s3, acetic anhydride and a catalyst are added into the solution obtained after the stirring reaction in the step S2, then the temperature is increased to 90-110 DEG C, and a heat preservation reaction is conducted for 4-6 h; and S4, cooling the solution subjected to the heat preservation reaction in the step S3, and then washing and removing the solvent to prepare the low-dielectric and high-heat-resistance adamantane type maleimide resin. The adamantane type maleimide resin provided by the invention can solve the problems of poor solubility and high brittleness of maleimide resin, and meanwhile, the resin is endowed with excellent heat resistance. In addition, the adamantane type maleimide resin can also be used for preparing copper-clad plates with low dielectric constant and low dielectric loss.

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 provides a colorless transparent high-temperature-resistant polyimide material and a preparation method thereof. The colorless transparent high-temperature-resistant polyimide material is prepared from diamine and aromatic dianhydride, the diamine comprises a first diamine compound, and the first diamine compound has a nitrogen-containing aromatic heterocyclic structure and an adamantane structure. The high-performance transparent polyimide (CPI) film is prepared through molecular multi-level synchronous design, a series of diamines containing nitrogen-containing heteroaromatic rings and adamantane structures are synthesized, firstly, the rigidity and linearity of molecular chains are improved through introduction of the nitrogen-containing heteroaromatic rings, and the film is endowed with excellent heat resistance; secondly, an adamantane structure is introduced to inhibit the charge transfer (CT) effect in PI molecular chains and between the molecular chains, and the optical performance of the film is improved. The advantages of all monomers are synthesized through copolymerization, the comprehensive performance of the film is regulated and controlled, and the obtained high-performance CPI film has wide application prospects in the fields of flexible electronics and spacecraft thermal management.

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 invention provides a series of polybenzyl bromide or polybenzyl iodide-based monomolecular resin photoresists as well as a preparation method and application thereof. The monomolecular resin can be used as a main body material of the photoresists. The raw materials are cheap and easily available, and the synthesis process is simple. According to the compound disclosed by the invention, adamantane is taken as a core unit, a plurality of benzyl bromide or benzyl iodine groups, adamantane and a benzene ring are externally connected, and bromine atoms or iodine atoms are additionally introduced, so that the sensitivity and the etching resistance of the photoresist can be improved to the maximum extent.

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 present application relates to the technical field of oil and gas exploration, and particularly relates to a method for quantitatively detecting adamantane compounds in rock. The method comprises the following steps: crushing a rock sample at low temperature, taking the crushed rock sample into a container, adding diatomite, a standard sample solution and an extractant, and sealing the container; performing ultrasonic extraction and low-temperature standing; centrifugally collecting supernatant, and placing the supernatant in a fume hood for volatilization; when 1-2 mL of supernatant remains, adding alumina for adsorption; before the solvent is completely volatilized, taking out the adsorbed alumina, and performing solid-phase extraction; concentrating the eluent after solid-phase extraction, and performing gas chromatography-mass spectrometry analysis on the concentrated solution. The method can quantitatively detect adamantane compounds in rock, has high accuracy, and simple operation steps.

The application discloses adamantane-modified silane coupling agent, one-component dealcoholization type silicone rubber and a preparation method thereof. The adamantane-modified silane coupling agent is obtained by sequentially reacting adamantanol with tetramethyldivinyl disilazane and a modifier; and the structural formula of the modifier is as follows. The crosslinking agent in the one-component dealcoholization type silicone rubber is the adamantane-modified silane coupling agent. The one-component dealcoholization type silicone rubber prepared by using the adamantane-modified silane coupling agent as the crosslinking agent has high tensile strength and elongation at break, and has good comprehensive mechanical properties.

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.

The invention relates to the technical field of synthesis of photoresist monomer compounds, and particularly discloses a synthesis method of 1, 3-adamantanediol monomethacrylate. The synthesis method of the 1, 3-adamantane diol monomethacrylate comprises the following steps: by taking 1, 3-dihydroxy adamantane and methacrylic anhydride / methacryloyl chloride as reaction raw materials and a two-phase solvent as a reaction solvent, under the action of a catalyst and a polymerization inhibitor, carrying out esterification reaction and post-treatment to obtain the 1, 3-adamantane diol monomethacrylate. The component A is 1, 3-adamantanediol monomethacrylate; the catalyst is ethyl magnesium chloride; the temperature of the esterification reaction is 10-20 DEG C, and the time is 6-8 hours. The synthesis method of 1, 3-adamantanediol monomethacrylate provided by the invention has the advantages of mild reaction conditions, simple operation, cheap and easily available raw materials and the like, and the yield of the obtained 1, 3-adamantanediol monomethacrylate is greater than or equal to 80.0%, and the purity is greater than or equal to 99.00%.

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 chemical synthesis and specifically discloses a preparation method of a diphenylamine-type adamantane substituent compound. The method comprises the following steps: adding adamantane alcohol and acetanilide to a solvent for reaction to obtain adamantane acetanilide; adding adamantane acetanilide and NBS to the solvent for reaction to obtain bromoadamantanacetanilide; adding bromoadamantanacetanilide, phenylboric acid, a catalyst and an alkali salt to the solvent for reaction to obtain phenyladamantanacetanilide; and adding phenyladamantanacetanilide and hydrochloric acid to the solvent for reaction to obtain adamantane diphenylamine. The method has readily available raw materials and simple operation, has achieved kilogram-level production, and has high product purity, with a liquid phase purity of over 99.9%.

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.

An organic EL element using the compound represented by general formula (1) according to the present invention can be an organic EL element having high luminous efficiency and a long life. A compound for an organic electroluminescent element is represented by general formula (1). Here, Ad is an adamantyl group represented by general formula (2). X independently represents N, or CR1, at least one X represents N. R1 independently represents hydrogen or the like; ar1 represents a substituted or unsubstituted aromatic hydrocarbon group having 6-18 carbon atoms, or the like; r independently represents a substituted or unsubstituted aromatic heterocyclic group having 3-17 carbon atoms, or the like; l1 and L2 each independently represent a direct bond or the like; and a represents a substitution number and independently represents an integer of 0-4. And b-f each represents a substitution number and independently represents an integer of 0-4. Wherein b + c + d + e + f is greater than or equal to 1.

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.

The invention discloses a hydrophobic polymer, a preparation method thereof and a single cell encapsulation method based on interaction of a subject and an object. The hydrophobic polymer disclosed by the invention can be embedded into a cell membrane to carry out hydrophobic modification on cells, and anchoring groups are modified on the surfaces of the cells, so that single-cell encapsulation of the cells is facilitated. The single cell encapsulation method based on interaction of the subject and the object comprises the following steps: 1) preparing hydrophobic polymer intercalation modified cells; and 2) carrying out layer-by-layer packaging on the hydrophobic polymer intercalation modified cells by using the cyclodextrin grafted hyaluronic acid and the adamantane grafted hyaluronic acid. The single cell encapsulation method based on host-guest interaction has the advantages of high encapsulation efficiency, high cell survival rate, good biocompatibility, simplicity in operation, mild reaction process, high reaction speed and the like, is suitable for large-scale industrial application, and cells obtained by encapsulation can be used for tissue repair in multiple aspects and are wide in application range.

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 present application relates to a kind of adamantane isopropanol amine structure compound and its preparation method and purposes.The compound has the structure as shown in general formula (I):The present application is based on adamantane compound, isopropanol amine fragment is introduced into this system, synthesizes a series of adamantane isopropanol amine compound, and the compound has good inhibitory effect on plant pathogenic bacteria.

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 application provides a light-emitting auxiliary material and a preparation method and application thereof, and belongs to the field of organic electroluminescence. The light-emitting auxiliary material of the application is connected with triarylamine on a para-folded biphenyl bridged adamantane, one side chain of the triarylamine is an aryl-bridged dibenzofuran, and the other side chain is selected from specific groups. The adamantane has high spatial symmetry and a rigid structure, and can improve the service life of a device to a certain extent. The dibenzofuran is extended through the buffer of an arylene group, the molecular fluidity is enhanced, and thus the light-emitting efficiency of the device is improved. In addition, the dibenzofuran itself has excellent electrochemical stability, is beneficial to improving the mobility of the compound, improving the light-emitting efficiency, and also improving the service life. The organic electroluminescent device using the light-emitting auxiliary material of the application has low driving voltage, high light-emitting efficiency and long service life.