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27 results about "Organic interface" patented technology

Protective film for preventing precipitation of small molecules and preparation method of protective film

The invention discloses a protective film for preventing precipitation of small molecules and a preparation method thereof, and relates to the technical field of protective films. The protective film comprises a base material layer, a functional layer stacked on one side of the base material layer and a protective layer stacked on the functional layer; wherein the functional layer comprises barrier S O2 with a fluorine-containing aluminate inorganic interface layer and a polyether amine organic interface layer; the protective layer comprises wear-resistant S C of which the surface is grafted with amino methyl ester groups; the double-layer interface of the functional layer can enhance the barrier effect and is beneficial to preventing precipitation of small molecules; a perfluoro chain segment in the protective layer can enhance hydrophobicity, a good waterproof effect is achieved, and the influence of the external environment on the base material is further avoided; and the carbamate group on the surface of the wear-resistant S C and the benzoxazine ring of the barrier S O2 are subjected to ring-opening copolymerization at a high temperature to form a covalent cross-linking interface, so that the bonding strength can be enhanced, the tensile property can be improved, and the service life of the protective film can be prolonged.
Owner:TAIHU JINZHANG TECH CO LTD

Preparation method of organic PSF modified NZZSP electrolyte material and application research of sodium ion battery

The application belongs to the technical field of sodium ion battery materials, and particularly relates to a preparation method of an organic PSF modified NZZSP electrolyte material and application research of the sodium ion battery. The preparation method of the NASICON type solid-state composite electrolyte material can include the following steps: preparing a doped modified NASICON electrolyte sheet through a high-temperature solid-phase synthesis method, and then constructing an organic PSF interface coating layer on the surface of the modified NASICON electrolyte sheet through an in-situ polymerization method. The organic PSF modified NZZSP electrolyte prepared in the application effectively improves the electrochemical performance of the sodium ion battery, wherein the in-situ polymerized organic PSF modification coating layer can effectively improve the electrolyte / electrode interface contact, and can form a stable and uniform electrolyte / electrode interlayer. 2+ Partially doped and substituted Zr 4+ The Si / P ratio and Zn Benefiting from the synergistic effect of the two, the prepared organic PSF modified NZZSP electrolyte exhibits excellent capacity retention rate and cycle stability in the sodium ion battery.
Owner:GUANGDONG UNIV OF TECH

High-haze calcite bopet composite diffusion film and preparation method and application thereof

The present application relates to the technical field of optical functional film, disclose a kind of high haze calcite BOPET composite diffusion film and its preparation method and application, by adopting gradient micropore-dense layer composite structure design, and optimizing each layer function composition, on the one hand in surface dense layer, utilize low filling nano calcite to build high dense structure, effectively reduce surface light reflection, improve mechanical strength, while avoiding light transmittance loss;On the other hand in bottom microporous layer, introduce double-particle-size calcite particle nanoparticles and microparticles, build multiscale scattering network, realize the efficient light diffusion of wide spectral range 380-780 nm, significantly reduce interface scattering loss, substantially improve the light transmittance and haze balance of optical film;Meanwhile, through the integration of co-extrusion-biaxial stretching process, optimize inorganic / organic interface combination, effectively solve the problem of filler agglomeration, while reducing the preparation cost.
Owner:NINGBO CHANGYANG TECH

Functional hybrid flame retardant based on cyclodextrin-MOF, preparation method and application

The invention discloses a functionalized hybrid flame retardant based on cyclodextrin-MOF (Metal Organic Framework) as well as a preparation method and application thereof, and belongs to the technical field of high polymer material science and flame retardance. The hybrid flame retardant (F-CD-MOF) has a core-shell structure, a core body is crystalline CD-MOF formed by self-assembly of cyclodextrin and potassium ions, and a shell layer is an organic interface layer which is formed by grafting of a silane coupling agent and contains an active functional group (-NH2 or-NCO). The preparation method comprises the steps of CD-MOF primary crystal synthesis, surface silanization functionalization and post-treatment. The flame retardant can be used as a reactive nanofiller for preparing a high-performance flame-retardant polyurea coating, a polyurea three-dimensional cross-linked network is embedded through covalent bonding, the UL-94 flame-retardant grade of the obtained coating reaches V-0 grade, the peak heat release rate is reduced by 40% or above compared with that of a pure polyurea coating, and the flame retardant has excellent mechanical properties and is suitable for industrial production. The fireproof coating is suitable for high-end fireproof fields such as building fireproof coatings and electric power facility fireproof coating materials.
Owner:SHANDONG ZHONGHUAN ZHONGJIE BIOTECHNOLOGY CO LTD

Coated boron nitride and preparation method and application thereof, biodegradable flame-retardant composite material and preparation method and application thereof

This invention belongs to the field of flame retardant technology, specifically relating to a coated boron nitride and its preparation method and application, and a biodegradable flame-retardant composite material and its preparation method and application. This invention employs a multi-level structure regulation approach, utilizing silane coupling agents and chemical bonding for surface coating modification, effectively alleviating stress concentration. Furthermore, regular polyhedral flame-retardant units are constructed on the coated and modified two-dimensional boron nitride surface, building a three-dimensional flame-retardant network. Through phytic acid molecular bridging, an inorganic-organic interface transition layer is formed, significantly improving the interfacial adhesion strength between the functional phase and the matrix resin. This invention constructs a flame-retardant structural system based on molecular configuration optimization, optimizing the interfacial compatibility between the functional phase and the biodegradable matrix resin. It utilizes a bio-based phosphorus-nitrogen synergistic flame-retardant system combined with a two-dimensional boron nitride structure for composite design, constructing a flame-retardant network system with both high-efficiency flame-retardant properties and excellent performance.
Owner:GUIYANG UNIV

Organic Responsive User Interface System and Method of Use

An organic interface converting data into tangible 3D shapes using programmable materials. It includes an interaction point with multiple surfaces and a projection module, all coordinated by a computing device for data transmission and reception. Data streams carry computer-readable code interpreted by the projection module to reorient surfaces, thereby materializing the data in three-dimensional space. The interface allows tactile input via human touch generating electrical currents that alter surface properties like position and smoothness. It also responds to audible frequencies and can receive data from secondary computing devices. Using a computing device, users can create 3D objects through data transmission to these responsive surfaces. The interface supports user interactions through touch, voice commands, and digital inputs from devices such as smartphones or tablets. Users have the flexibility to adjust the interface's resolution and response rate to tailor their interaction experience.
Owner:BATES JEREMY

Antibacterial and oil-proof composite material for automobile steering wheel and preparation method of antibacterial and oil-proof composite material

The invention discloses an antibacterial and oil-proof composite material for an automobile steering wheel and a preparation method of the antibacterial and oil-proof composite material, and relates to the technical field of polymer composite materials and automobile interior trim part manufacturing. By synthesizing the AgO-organic cage antibacterial agent, the antibacterial agent is endowed with good organic interface characteristics by utilizing a cage-shaped skeleton constructed by a specific polydentate organic ligand, and the compatibility of the antibacterial agent in thermoplastic matrix resin is remarkably improved. The technical problem that a traditional inorganic silver antibacterial agent is prone to agglomeration and difficult to disperse is effectively solved, uniform distribution of the antibacterial agent in a matrix is ensured, stress concentration caused by filler agglomeration is avoided, and the composite material can still keep excellent tensile strength and impact resistance while having the antibacterial function.
Owner:ZHEJIANG JIAXUAN AUTO ACCESSORIES CO LTD

An organic electroluminescent device with efficient injection of holes

This invention provides an organic electroluminescent device with efficient hole injection. Compared to traditional hole injection layers, the hole injection layer used in this invention includes an anode modification layer and an organic interface layer. The anode modification layer comprises a rhenium-based oxide. The anode modification layer / organic interface layer significantly improves the ability of holes to be injected from the anode to the hole transport layer (hole injection efficiency), improving the device stability problem caused by carrier imbalance. Furthermore, when the hole injection layer used in this invention is connected to a hole transport layer of suitable thickness, an ohmic contact can be formed, significantly reducing the injection energy barrier (making the hole injection barrier approximately zero), forming a space charge confinement current, further increasing device stability, which is of great significance for improving the performance of organic electroluminescent devices. The rhenium-based oxide used in this application has a moderate melting point, its preparation process is simpler, consumes less energy, and is non-toxic, making it a suitable anode modification material with good application prospects.
Owner:TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI

An ultra-flexible all-organic bipolar wearable photodetector and its preparation method

The present invention belongs to the technical field of semiconductor optoelectronic devices, specifically an ultra-flexible all-organic bipolar wearable photodetector and a method for preparing the same. The ultra-flexible all-organic bipolar wearable photodetector has a stacked structure, which comprises, from bottom to top, an ultra-flexible organic substrate, a first flexible organic electrode, a first flexible organic interface layer, an organic semiconductor mixture, a second flexible organic interface layer, and a second flexible organic electrode. The present invention realizes an all-organic photodetector with intrinsic flexibility, which can fit human skin and can operate in scenarios of multiple bending, folding, and twisting; the polarity conversion of the current signal can be achieved by bending or flipping the device, simplifying the structure and mechanism of the traditional bipolar photocurrent output device; the preparation process of the device only involves a solution method, with simple processes and equipment and a short production cycle, which can reduce the preparation cost of the detector and facilitate large-scale production.
Owner:FUDAN UNIVERSITY

A scrub resistant inorganic coating emulsion composition and method of making the same

The present application relates to the technical field of acrylic emulsion, and particularly relates to a scrub-resistant inorganic coating emulsion composition and a preparation method thereof, which comprises the following components in percentage by weight: modified nano-silica 10-15%, silicone-modified acrylic emulsion 50-60%, water-based epoxy resin 5-10%, polyisocyanate crosslinking agent 2-5%, organic bentonite 3-5%, titanate coupling agent 0.5-1%, functional additive 2-3%, and deionized water in remainder; through the ingenious cooperation of the modified nano-silica, the silicone-modified acrylic emulsion and the polyisocyanate crosslinking agent, a highly crosslinked network structure is formed. This structure realizes the perfect balance between hardness and flexibility, and greatly improves the scrub resistance and weather resistance; the introduction of the titanate coupling agent effectively improves the combination of the inorganic-organic interface, solves the compatibility problem in the traditional hybrid system, and improves the overall performance and durability of the coating.
Owner:FOSHAN ROSF TECH CO LTD

Food paper based on plant fiber and PLA (polylactic acid) lamination and preparation method thereof

The invention discloses food paper based on plant fibers and PLA (polylactic acid) lamination and a preparation method of the food paper, and belongs to the technical field of polylactic acid lamination papers.Acrylate monomers and organic silicon modified alkyl acrylate containing flexible chain segments are subjected to in-situ polymerization on TEMPO oxidized nano-cellulose under a controllable catalytic system, so that the food paper is obtained; the preparation method comprises the following steps: polymerizing a cellulose skeleton, anchoring a polymerized chain segment on the cellulose skeleton in a chemical manner, constructing an organic interface layer with certain flexibility on the surface of nano-cellulose to obtain a modified nano-cellulose filler with a stable structure, blending the modified nano-cellulose with polylactic acid to prepare a film spraying master batch, and combining the film spraying master batch with plant cellulose base paper through a film spraying process to prepare the plant cellulose composite film. The preparation method is simple and easy to operate, the food paper which is compact in lamination and uniform in attachment is obtained, stable attachment of the paper base and the PLA lamination is achieved while the bio-based and degradable characteristics of the material are kept, interface defects and delamination risks are reduced, the mechanical property and use reliability of the food paper are improved, and the food paper is suitable for food packaging application.
Owner:ANHUI PARSON IND TECH CO LTD

Boehmite composite material as well as preparation method and application thereof

The invention relates to the technical field of batteries, in particular to a boehmite composite material and a preparation method and application thereof. The boehmite composite material comprises a matrix layer and a coating layer located on at least part of the surface of the matrix layer, and the matrix layer comprises a boehmite matrix material and a grafting layer located on the surface of the boehmite matrix material; the grafting layer comprises a phosphate ester layer and an epoxy silane layer which are arranged in sequence; and the coating layer contains polydopamine. According to the boehmite composite material disclosed by the invention, the phosphate ester layer in the grafting layer can provide a stable inorganic-organic interface, and the epoxy silane layer can endow reaction active sites, so that Van der Waals' force can be generated with a binder to strengthen entanglement and enhance chemical bonding with a current collector; further, the structural stability of the coating containing the boehmite composite material and the binding force with the current collector are improved; the polydopamine coating layer can provide a physical anchoring point and buffer stress. The boehmite composite material disclosed by the invention has high stability and excellent interface performance.
Owner:SVOLT ENERGY TECHNOLOGY CO LTD

Organic responsive user interface system and method of use

An organic interface converting data into tangible 3D shapes using programmable materials. It includes an interaction point with multiple surfaces and a projection module, all coordinated by a computing device for data transmission and reception. Data streams carry computer-readable code interpreted by the projection module to reorient surfaces, thereby materializing the data in three-dimensional space. The interface allows tactile input via human touch generating electrical currents that alter surface properties like position and smoothness. It also responds to audible frequencies and can receive data from secondary computing devices. Using a computing device, users can create 3D objects through data transmission to these responsive surfaces. The interface supports user interactions through touch, voice commands, and digital inputs from devices such as smartphones or tablets. Users have the flexibility to adjust the interface's resolution and response rate to tailor their interaction experience.
Owner:BATES JEREMY

Composite diaphragm as well as preparation method and application thereof

The invention provides a composite diaphragm as well as a preparation method and application thereof, and belongs to the technical field of battery diaphragms. The preparation method comprises the following steps: firstly coating the water-based ceramic slurry layer, then coating the oil-based aramid fiber layer after curing, chemically bonding the two layers through a coupling agent, selecting an epoxy alkyl coupling agent, a diamino silane coupling agent or a titanate coupling agent, and reacting one end of a molecule with a hydroxyl group of the ceramic layer, so as to form the water-based ceramic slurry layer, the ceramic slurry layer and the oil-based slurry layer. And the other end is combined with amino or carboxyl of the aramid fiber to form a strong chemical bond, so that the inorganic-organic interface bonding problem is solved, and the interface stability is ensured. The layered coating process is adopted, and the mechanical strength and the thermal stability of the diaphragm are remarkably improved through the synergistic effect of the water-based ceramic slurry layer and the oil-based aramid slurry layer of the rigid ceramic layer and the flexible aramid layer.
Owner:ANHUI LIKE NEW MATERIAL TECHNOLOGY CO LTD

High-wear-resistance rubber roller and preparation method thereof

PendingCN120795428AFiberPolymer science
The rubber roller is prepared by mixing natural rubber, nitrile rubber, modified nano carbon fibers, nano silicon dioxide, graphene oxide, a modified silane coupling agent, a vulcanizing agent, an accelerant, an anti-aging agent and a plasticizer according to a specific proportion and carrying out banburying, mixing, directional stretching, dual vulcanization and surface treatment. By introducing the surface-modified nano filler and the modified silane coupling agent, uniform dispersion and interface chemical bonding of the filler in a rubber matrix are realized, and a synergistically enhanced network structure is constructed. Directional stretching is combined with a two-stage vulcanization process to form an interpenetrating structure of a covalent cross-linked network and an inorganic-organic interface network, so that the wear resistance, the structural stability and the fatigue life of the rubber roller are remarkably improved. The method is controllable in process, suitable for industrial batch preparation and good in application prospect.
Owner:TIANJIN JINWANFENG RUBBER PROD CO LTD

Preparation method of MOF organic interface layer for high-performance all-solid-state NASICON sodium metal battery

The invention discloses a preparation method of an MOF organic interface layer for a high-performance all-solid-state NASICON sodium metal battery, and belongs to the technical field of solid-state sodium metal battery interface materials. The invention aims to solve the problems of poor solid-solid interface contact between the NASICON inorganic solid electrolyte and the sodium metal negative electrode, high interface impedance and easy penetration of dendritic crystals. The preparation method comprises the following steps: 1, preparing La-MOF-OH; and 2, constructing a composite interface layer. The preparation method is used for preparing the MOF organic interface layer of the high-performance all-solid-state NASICON sodium metal battery.
Owner:HARBIN INST OF TECH

High-haze calcite BOPET (Biaxially Oriented Polyester) composite diffusion film as well as preparation method and application thereof

The invention relates to the technical field of optical functional films, and discloses a high-haze calcite BOPET composite diffusion film and a preparation method and application thereof.The gradient micropore-compact layer composite structure design is adopted, functional composition of all layers is optimized, on one hand, in a surface compact layer, low-filling nano calcite is used for constructing a high-compact structure, and on the other hand, the high-haze calcite BOPET composite diffusion film is prepared; the surface light reflection is effectively reduced, the mechanical strength is improved, and meanwhile, the light transmittance loss is avoided; on the other hand, double-particle-size calcite nano-particles and micron-particles are introduced into the bottom microporous layer, a multi-scale scattering network is constructed, efficient light diffusion within the wide spectral range of 380-780 nm is achieved, interface scattering loss is remarkably reduced, and the light transmittance and haze balance of the optical film are greatly improved; meanwhile, integrated forming is achieved through a co-extrusion-two-way stretching process, inorganic / organic interface combination is optimized, the problem of filler agglomeration is effectively solved, and meanwhile the preparation cost is reduced.
Owner:NINGBO CHANGYANG TECH

Carbon nanotube coating aging protection process

The invention discloses a carbon nanotube coating aging protection process, and belongs to the technical field of material protection. Comprising the following four core steps: gradient interface modification pretreatment, preparation of a double-structure inorganic protective layer, construction of a temperature-sensitive organic protective layer and interface synergistic reinforcement post-treatment. An interface reinforcement transition layer is constructed through argon, oxygen and carbon tetrafluoride mixed gas plasma treatment and aminated carbon quantum dot synergistic modification; the preparation method comprises the following steps: preparing a double-structure inorganic protective layer by combining magnetron sputtering and sol coating, constructing a temperature-sensitive organic protective layer by using a polyvinyl fluoride-acrylate copolymer containing a phase change microcapsule and a compound anti-ultraviolet agent, and finally promoting an inorganic-organic interface to form a Si-O-C covalent bond through ultraviolet-heat synergistic treatment. Through multi-step collaborative design, the problems that in a traditional technology, a carbon nano tube coating is single in protection function and rapid in aging failure are solved, the aging speed is reduced after treatment, and the heat conduction and spectral absorption core performance of the carbon nano tube is stably reserved.
Owner:JIANGSU CHINA CARBON GREEN TRANSFORMATION TECHNOLOGY CO LTD

Efficient antibacterial PVC coiled material with controllable nano-silver structure and preparation method of efficient antibacterial PVC coiled material

The invention belongs to the technical field of functional polymer materials, and particularly relates to an efficient antibacterial PVC coiled material with a controllable nano-silver structure and a preparation method of the efficient antibacterial PVC coiled material. According to the coiled material, a confinement reduction and coupling synergistic strategy is adopted, sphere-like nano-silver with the particle size of 10-50 nm is constructed, the surface of the sphere-like nano-silver is directionally modified through a multifunctional silane coupling agent, a compact organic interface layer is formed, uniform dispersion and stable combination of particles in a PVC matrix are achieved, and therefore the slow release control capacity of silver ions is effectively improved. Based on the structural design, the prepared coiled material shows excellent elongation at break and thermal aging stability while endowed with efficient antibacterial durability, the problem of mechanical or thermal property weakening caused by traditional antibacterial modification is avoided, and a multifunctional integrated system with the antibacterial property, the mechanical property and the thermal stability cooperatively improved is constructed. And the preparation process is simple and convenient, has wide applicability, and is suitable for preparing antibacterial and durable flexible functional materials in public buildings, medical health and high-requirement environments.
Owner:ZHEJIANG JINHUA TIANKAI ELECTRONIC MATERIAL CO LTD

Improved adhesion strength of metal-organic interfaces in electronic devices

A method of improving adhesion of a metal-organic interface in an electronic device includes providing a substrate having a metal structure, treating a surface of the metal structure to form a single-layer coating of a selected chemical composition on the surface, and coating the treated surface with an organic material.
Owner:AMERICAN YAODE SYSTEMS CO LTD

Anti-floating anchor rod and waterproof layer integrated construction method

PendingCN122382968AFiberStructural engineering
The application discloses an anti-floating anchor rod and waterproof layer integrated construction method, and belongs to the technical field of underground engineering rock soil anchoring; in view of the pain points that the anti-corrosion coating is easily scratched during construction, the free section isolation layer forms a permanent weak interface, and the traditional degradable material is unreliable in microbial degradation, the application coats the anchor rod with an anti-corrosion primer, and only in the free section, a hydrolyzable degradable fiber braided sleeve bag filled with buffer dry powder is worn, and the anchoring section is directly grouted. The sleeve bag is made of polyglycolic acid and poly (lactic acid-co-glycolic acid) blended fiber, the dry powder contains river sand, fly ash, a small amount of cement and an alkaline hydrolysis accelerator, and the controllable hydrolysis of 12-24 months is realized through internal and external double-alkali triggering; the application buffers and protects the coating during construction, forms a non-Newtonian fluid to absorb energy and reduce vibration during use, completely eliminates the organic interface after degradation, the anchoring section is not affected by the uplift capacity, the free section realizes long-acting waterproof and corrosion protection, the comprehensive cost is low, the construction is simple, and the application meets the current specification requirements.
Owner:SHANXI CONSTR ENG CO LTD

Rubber interface optimization and performance improvement method based on modified nano silicon dioxide microcapsules

The invention discloses a rubber interface optimization and performance improvement method based on a modified nano silicon dioxide microcapsule, which comprises the following steps: carrying out surface organic modification on nano silicon dioxide by using a silane coupling agent, and preparing a composite microcapsule with functional oil as a core material and modified nano silicon dioxide uniformly distributed on a shell layer through an in-situ polymerization method, and doping the microcapsule into a rubber matrix to form the composite material. According to the invention, an inorganic-organic interface bridge is constructed through the modified nano silicon dioxide, so that the inorganic-organic interface bridge is chemically bonded with a microcapsule shell layer and a rubber matrix through surface organic functional groups at the same time, the interface compatibility and the stress transfer efficiency are remarkably improved, and a self-repairing function during damage is also realized. The method effectively solves the problems that the traditional filler is easy to agglomerate and weak in interface bonding, so that the rubber material is synergistically improved in the aspects of mechanical strength, dielectric property, aging resistance and the like, and a new technical approach is provided for the development of high-reliability rubber products.
Owner:ELECTRIC POWER RES INST CHINA SOUTHERN POWER GRID CO LTD

Method for improving efficiency and stability of perovskite solar cell and perovskite solar cell

The application relates to a method for improving the efficiency and stability of a perovskite solar cell, which comprises the following steps: preparing an organic interface layer on a charge transport layer, and then preparing a perovskite active layer on the organic interface layer, wherein the charge transport layer is an inorganic p-type semiconductor hole transport layer or an inorganic n-type semiconductor electron transport layer, and the organic interface material in the organic interface layer is selected from one of the following structures. The method based on the application solves the problems of poor efficiency and stability of the perovskite solar cell in the prior art.
Owner:EZHOU INST OF IND TECH HUAZHONG UNIV OF SCI & TECH +1

Highly adhesive weather-resistant adhesive for water-cooled pipe insulation film, method for preparing the same, and insulation film

The application discloses a kind of high-stick weather-resistant adhesive for water-cooled tube insulation film, its preparation method and insulation film, the adhesive includes the following raw material components by weight parts:100 parts of acrylate copolymer, 0.1-1 parts of curing agent, 5-20 parts of rosin resin and terpene phenol resin mixture, 15-60 parts of organic solvent;When synthesizing acrylate copolymer, silane coupling agent is introduced into molecular chain by free radical initiation polymerization mode, and the double bond of silane coupling agent participates in reaction, and the other end reacts with the surface of base material when the insulation film is attached to water-cooled tube to form siloxane bond, so that a dense " molecular bridge " is formed at inorganic and organic interface, the penetration path of aging factors such as moisture and oxygen is reduced, and the bonding force of interface is greatly enhanced, the weather resistance is improved, and the aging process caused by ultraviolet irradiation and temperature and humidity change is slowed down.The insulation film provided by the application significantly enhances the bonding performance and aging performance of materials such as aluminum plate.
Owner:JIANGSU SIDIKE NEW MATERIALS SCI & TECH CO LTD

A method for preparing a malleable inorganic nanolaminate material

The application provides a preparation method of a shapeable inorganic nanocrystal superlattice. The method comprises the following steps: preparing inorganic nanocrystal superlattice powder with surface grafted organic ligands, soaking the powder in a poor solvent containing additional organic ligands, and standing and drying, so that the originally brittle superlattice powder is converted into a solid material with excellent plasticity. The application constructs a soft organic interface phase at the interface of nanocrystal particles under mild conditions, while the long-range ordered structure of the superlattice in nanoscale is completely retained. The obtained plastic material can be directly formed into a macroscopic block with a specific shape through simple mold pressing and the like, and can inherit the inherent functional characteristics (such as magnetic properties and optical properties) of nanocrystals. The method solves the key problem that high-performance nanocrystal superlattice materials are difficult to be non-destructively macro-formed, and provides a new material basis for the direct application of the nanocrystal superlattice materials in the fields of flexible electronics, miniaturized magnets, optical devices and the like.
Owner:FUDAN UNIVERSITY

A modified MOF-based mixed matrix membrane and a preparation method and application thereof

The application relates to the technical field of gas separation membrane materials, in particular to a modified MOF-based mixed matrix membrane and a preparation method and application thereof. Zn(NO3)2*6H2O is stirred and dissolved in a PVA solution, slowly poured on the surface of a PI membrane, soaked for 3-5 hours, the soaked PI membrane is taken out and dried in a vacuum oven, a PVA-Zn interface layer is formed on the PI membrane layer; Zn(NO3)2*6H2O and silver nitrate are dissolved in deionized water and coated on the PVA-Zn interface layer, dried to obtain an organic interface layer riveted by metal ions; 2-methyl imidazole is dispersed and dissolved in deionized water to obtain a ligand reaction solution, the organic interface layer is completely soaked in the ligand reaction solution, reacts for 4-8 hours in dark conditions, a modified ZIF-8 membrane is obtained, dried, and the modified ZIF-8 membrane is washed with anhydrous methanol and dried at 30-35 DEG C for 12-24 hours. The modified MOF-based mixed matrix membrane has the advantages of simple preparation method, easily obtained raw materials, high selectivity permeability to helium, and the like, is used for the separation and purification of helium, and can effectively and quickly separate out helium.
Owner:ZINGKE (CHONGQING) ADVANCED MATERIALS RES INST CO LTD

Temporary bonding and de-bonding method and bonding structure

The invention relates to the technical field of semiconductor manufacturing, in particular to a temporary bonding and de-bonding method and a bonding structure, and the method comprises the steps: introducing physical damage based on a carrier plane, forming a loose structure layer on the carrier plane, enabling a sample wafer to be attached to the loose structure layer, and applying bias voltage to carry out anodic bonding; and fixing the carrier subjected to anodic bonding on a machining table, performing a micro-nano machining process on the sample wafer, and stripping the sample wafer from the carrier in a mechanical stripping manner. An inorganic interface is constructed through a loose structure layer formed by physical damage, an organic interface formed by traditional bonding glue is replaced, pollution caused by high-temperature carbonization or chemical solvent permeation and inorganic formation of the bonding interface are avoided, contamination of carbon / organic matter to a sample wafer is eradicated, and meanwhile, the preparation method has the advantages that the preparation process is simple, and the cost is low. The anodic bonding is carried out on the loose structure layer without using bonding glue, so that a temporary bonding structure is formed, temperature, chemical and mechanical limitations are broken through, a subsequent semiconductor sample micro-nano processing technology can be supported without limitation, and full-flow processing of a semiconductor is facilitated.
Owner:BEIJING YISENXIN TECH CO LTD