107results about How to "Heat resistant" patented technology

The invention discloses an anti-pollution flashover coating with arc durability, which comprises the following components in parts by weight: 100 parts of hydroxyl-terminated polydimethylsiloxane, 10-25 parts of dimethyl silicone oil, 5-15 parts of a phosphorus flame retardant, 8-20 parts of white carbon black, 5-15 parts of modified mica powder, 15-30 parts of modified calcium carbonate, 10-20 parts of modified glass powder, 5-12 parts of aluminum hydroxide, 5-10 parts of 1, 3-butanediol, 5-10 parts of a flame retardant, 1-5 parts of an anti-aging agent, 1-5 parts of an anti-aging agent, and 1-5 parts of an anti-aging agent. The invention discloses a high-temperature-resistant coating which is prepared from the following components in parts by weight: 0.5-2 parts of 1, 2-bis (trimethoxysilyl) ethane, 5-10 parts of potassium titanate whiskers, 2-6 parts of color paste, 50-150 parts of a solvent, 3-10 parts of a cross-linking agent, 2-6 parts of a silane coupling agent and 1-5 parts of a catalyst. The invention also provides a preparation method of the anti-pollution flashover coating with arc durability. By introducing the modified mica powder, the modified glass powder and the modified calcium carbonate with specific particle sizes and reasonable gradation, the proportion of the filler in the base rubber is ensured, so that the modified mica powder, the modified glass powder and the modified calcium carbonate form a compact and firm ceramic high-temperature-resistant and arc-resistant layer after encountering high temperature of an arc; and the purpose of improving the arc durability is achieved.

The invention relates to an aluminum alloy conductor and a preparation method thereof. The aluminum alloy conductor comprises the following chemical components in percentage by mass: 0.008% to 0.03% of Y, 0.001% to 0.01% of B, 0.001% to 0.01% of La, 0.001% to 0.01% of Ce, 0.0018% to 0.025% of Zr, 0.05% to 0.12% of Fe, 0.01% to 0.03% of Si, 99.715% to 99.9272% of Al and 0 to 0.05% of other elements. According to the aluminum alloy conductor, Y, B, La, Ce, Zr, Fe, Si and other chemical components are added into the Al matrix according to a specific proportion, and meanwhile the conductivity, mechanical strength and heat resistance of the conductor are considered.

The invention discloses three novel corynebacterium glutamicum heat-resistant elements and application thereof, and belongs to the technical field of bioengineering. Three heat-resistant genes are obtained from corynebacterium glutamicum research. The heat-resistant gene and a promoter Ptuf are connected and are combined and transformed in corynebacterium glutamicum. The heat-resistant element is introduced into a plasmid and is expressed in corynebacterium glutamicum. After 24 hours of high-temperature culture at 42 DEG C, the OD600 of the corynebacterium glutamicum containing the heat-resistant element and the plasmid is improved, and the growth condition of the corynebacterium glutamicum at 42 DEG C is obviously superior to that of the starting corynebacterium glutamicum. Therefore, the heat-resistant elements can obviously improve the heat resistance of corynebacterium glutamicum under a high-temperature culture condition. The method has important application value in improvement of the thermal stability of corynebacterium glutamicum and industrial production prospect.

The utility model relates to the technical field of chemical vapor deposition, in particular to a chemical vapor deposition equipment moving support which comprises a base and two sets of opposite supporting frames installed on the base, each supporting frame comprises two supporting rods which are oppositely and fixedly connected to one side of the base, and the opposite faces of the two sets of supporting frames are provided with placing plates; a containing plate is arranged on the base, a loading tray is placed on the containing plate, a connecting support for connecting the two sets of supporting frames together is arranged at the top ends of the supporting frames, an ultrasonic vibration instrument with the output end connected with the supporting frames is arranged on one side of the base, a substrate to be coated is placed on the loading tray, and then the base is installed in a bin body of chemical vapor deposition equipment. Then, the ultrasonic vibration instrument is intermittently started, so that in the coating process, the vibrated to-be-coated film moves up and down, the bottom surface of the to-be-coated substrate can also be in contact with sediments in a solution, and the to-be-coated substrate can be coated without turning over the bottom surface of the to-be-coated substrate; therefore, the purpose of improving the coating efficiency of the chemical vapor deposition equipment is achieved.

The invention discloses a guiding air-cooled dry-type transformer, and relates to the technical field of transformers, and the guiding air-cooled dry-type transformer comprises a composite mechanism. According to the guiding air-cooled dry-type transformer, through the design of a composite mechanism, a motor drives fan blades to rotate to generate wind power to supply air to the interior of a processing mechanism, so that the effects of ventilation and heat dissipation are achieved, local overheating is prevented, the internal structure is prevented from being affected, and the effect of prolonging the service life of equipment is achieved; then, a grating plate plays a role in blocking impurities, ventilation and heat dissipation are kept, meanwhile, the impurities are prevented from entering, internal circuits are prevented from being affected, equipment damage is avoided, potential safety hazards are reduced, the interior is kept clean, the interior of a rotating mechanism is driven to rotate through wind power, and therefore the purposes of keeping the interior dry and improving the heat dissipation efficiency are achieved. And a certain dustproof and moistureproof effect is achieved.

The invention provides a method for preparing an modacrylic-LLZTO composite solid electrolyte membrane from a waste modacrylic material and application of the modacrylic-LLZTO composite solid electrolyte membrane. The method comprises the following steps: firstly, washing and drying pre-recovered waste modacrylic; the preparation method comprises the following steps: firstly, preparing an N, N-dimethylformamide solvent, then uniformly dispersing modacrylic, LLZTO and LiTFSI in the N, N-dimethylformamide solvent to prepare a spinning precursor solution, and then preparing an organic-inorganic composite nanofiber membrane (modacrylic-LLZTO NFS) through an electrostatic spinning technology; finally, an organic-inorganic system (PEO / SN) mixed solution is poured on the modacrylic-LLZTO NFS through a solution pouring method to obtain the modacrylic-LLZTO composite solid-state electrolyte membrane with the double-lithium-salt system, the material has good tensile flexibility and can be bent and folded, and when the material serves as a solid-state electrolyte of an all-solid-state lithium metal battery, the excellent ion transmission performance is shown, and the service life of the all-solid-state lithium metal battery is prolonged. And the requirement of long-period use is met.

The invention relates to a polyacrylonitrile fiber, a flame-retardant polyacrylonitrile pre-oxidized fiber and a preparation method thereof, the polyacrylonitrile fiber is obtained by taking acrylonitrile, organic silicon modified acrylic acid and ammonium p-styrenesulfonate as raw materials, carrying out homogeneous solution copolymerization and carrying out dry jet wet spinning; polyacrylonitrile fibers are subjected to pre-oxidation treatment, and the flame-retardant polyacrylonitrile pre-oxidized fibers are obtained. The prepared flame-retardant polyacrylonitrile pre-oxidized fiber is good in flame-retardant effect and excellent in mechanical property.

The invention relates to a photocuring initiator, a photosensitive composition and application. The photocuring initiator is a compound with a structure as shown in a formula (1): # imgabs0 #, wherein at least one of R1, R2 and R3 in the formula (1) is a C3-C25 nitrogen-containing aromatic group containing a benzene ring structure doped with 1-3 N atoms; 1-2 H groups in R1, R2 and R3 in the formula (1) are substituted by oxime ester groups shown in the formula (2): # imgabs1 #. Nitrogen-containing heterocyclic rings are introduced into a diphenylamine structure, so that the solubility is improved, and the problem of condensation caused by non-uniform dispersion is solved; the nitrogen-containing heterocyclic ring not only can be used as an electron donor to form an extended conjugated system with a carbazole ring, but also can enhance the pi-pi * transition capability of molecules, so that the absorption intensity is increased under a specific wavelength, and the sensitivity to light is improved. Therefore, the photoinitiator disclosed by the invention can show higher efficiency and performance in various applications, and can be widely applied to the industrial fields needing a photocuring technology, such as coatings, printing ink, adhesives, 3D printing materials and the like.

The utility model relates to the technical field of fireproof doors, and discloses a fireproof door with a fire extinguishing function, which comprises a door frame and two door leaves, the door frame and the door leaves are made of steel materials, the two door leaves rotate on the inner side of the door frame through hinges, one side of one door leaf is fixedly provided with a fireproof lock, and the other side of the other door leaf is fixedly provided with a fire extinguishing door. Fireproof glass is fixedly arranged on the two door leaves, seam covering plates are fixedly arranged on the inner sides of the two door leaves, first expansion fireproof sealing rubber strips are fixedly arranged on the inner sides of the two door leaves and located on one sides of the seam covering plates, and second expansion fireproof sealing rubber strips are fixedly arranged on the inner sides of the door frames. According to the fireproof door, the fire condition can be observed conveniently, meanwhile, the fireproof door has certain heat resistance and fire resistance, the function of slowing down fire spreading is achieved, evacuation time is prolonged for refugees, and therefore the practicability and multifunctionality of the fireproof door are improved.

The invention provides a substrate processing system and a processing container cleaning method. The substrate processing system includes: a processing gas supply source connected to a processing container and supplying a processing gas; a cleaning gas supply source that is connected to the processing container and supplies a cleaning gas; a plasma generation unit capable of generating plasma of a processing gas or a cleaning gas; a substrate mounting table which is provided inside the processing container and on which a substrate is mounted; and a control unit that controls at least the substrate processing and the cleaning processing, the substrate mounting table being provided with: a base material having a surface covered with a nickel-containing plating layer, the base material having a mounting surface on which the substrate is mounted; a ceramic thermal spray film formed on the nickel-containing plating layer on the placement surface of the base material; the cleaning gas is a fluorine-containing gas, the base material is made of martensitic stainless steel, and the control unit performs control so as to perform substrate treatment at 200 DEG C or more and 260 DEG C or less.

The utility model discloses a kind of heat-insulated fireproof doors, comprising: door frame and two groups of fireproof door panels, two groups of fireproof door panels are fixedly installed with heat insulation layer between, heat insulation layer one end is provided with installation port, installation port is fixedly installed with door gap plugging mechanism, and the plugging end of door gap plugging mechanism extends from the gap between two groups of fireproof door panels, and two groups of fireproof door panels are rotatably installed in door frame, and then make door gap plugging mechanism can extend from between fireproof door panel and touch on the inner wall surface of door frame.The application is designed by door gap plugging mechanism, so that it passes through the double protection mechanism of " primary sealing + automatic plugging", first by fireproof door panel and spacer plate form preliminary blocking, then utilize zirconium fibre composite felt to automatically expand and fill gap when fire, substantially delay the speed of high-temperature dense smoke diffusion to indoor, and gain more escape time for personnel.

The application relates to the technical field of batteries, in particular to a diaphragm and a battery comprising the diaphragm. The diaphragm comprises a ceramic layer, the ceramic layer comprises ceramic particles, the ceramic particles have a core-shell structure, the core of the ceramic particles comprises inorganic particles, and the shell of the ceramic particles comprises a first polymer; the first polymer comprises repeating unit A, repeating unit B and repeating unit C; the structural formula of the repeating unit A is *-CH2-(CH3)C(COOCH3)-*; the structural formula of the repeating unit B is *-CH2-CH(OCOCH3)-*; the repeating unit C comprises one or more of C2-6 alkyl and * represents a connecting end; the repeating unit A is an end group of at least any one end of the first polymer; the weight percentage of the repeating unit B in the first polymer is 3%-11%, and the weight percentage of the repeating unit A is 40%-85%. The diaphragm of the application can quickly realize the thermal shutdown function in a high-temperature environment, can maintain good physical properties, has high adhesion with pole pieces, and makes the battery have high safety and good long-cycle stability.

The utility model discloses a fluorocarbon aluminum alloy section, and particularly relates to the technical field of sections, the fluorocarbon aluminum alloy section comprises an upper section and a lower section, the lower section is arranged at the bottom of the upper section, two reinforcing ribs are arranged between the upper section and the lower section, and a partition plate is arranged between the two reinforcing ribs. The outer wall of the bottom of the upper sectional material and the outer wall of the top of the lower sectional material are each provided with a plurality of inserting grooves, and the partition plate and the two reinforcing ribs are inserted into the inserting grooves correspondingly, so that installation of the partition plate and the reinforcing ribs is facilitated. According to the aluminum alloy section bar, the upper section bar, the lower section bar, the partition plate, the two reinforcing ribs and the baffles are combined to form the aluminum alloy section bar, so that the aluminum alloy section bar is convenient to assemble, fluorocarbon coatings are convenient to spray on the surfaces of the upper section bar, the lower section bar, the partition plate, the reinforcing ribs and the baffles, and the fluorocarbon coatings have weather resistance, heat resistance and low temperature resistance; and the glass wool is arranged, so that the heat preservation and heat insulation performance of the aluminum alloy profile can be improved.

The utility model discloses a washable quilt cover with a quilt core convenient to disassemble and assemble, which comprises a quilt cover body, a zipper is sewn on the surface of the quilt cover body, the zipper surrounds the surface of the quilt cover body in a C shape, two groups of pullers are connected onto the zipper in a sliding manner, the quilt cover body comprises an upper quilt cover and a lower quilt cover, the upper quilt cover is provided with a washable layer which is washable, and the lower quilt cover is provided with a washable layer which is washable. An anti-skid structure is arranged in the upper quilt cover, a skin-friendly layer is arranged on the lower surface of the lower quilt cover, and a positioning structure used for preventing the quilt core from moving in the quilt cover is installed in the lower quilt cover. According to the washable quilt cover, through the C-shaped arrangement of the zipper, the three faces of the quilt cover body are surrounded, the zipper is opened by pulling the puller, the upper quilt cover and the lower quilt cover are completely opened, a quilt core can be directly taken out, when the quilt core is installed, the four corners of the quilt core are plugged into the positioning structures to be positioned, then the zipper is closed by pulling the puller, and installation is completed. Therefore, the quilt core can be quickly dismounted and mounted, and convenience is provided for dismounting and mounting of the quilt core.

The present application provides an inner sealing liquid, a decorative part and a use thereof with a colorful and radiant effect, wherein the inner sealing liquid includes silicone oil, opaque pigment, pearlescent powder, fluorescent powder, a dispersant and a defoaming agent. The decorative part is fixed to the surface of the interior part of the automobile, and the decorative part includes a transparent shell that can be detachably fixed to the surface of the interior part, and a cavity is formed between the transparent shell and the surface of the interior part, and the inner sealing liquid is injected into the cavity; at least one stirring device is also arranged in the cavity, and the stirring device is used to stir the inner sealing liquid to produce a colorful and radiant appearance effect. The present application injects the inner sealing liquid into the transparent shell and sets a stirring device, and stirs the inner sealing liquid in the transparent shell by the stirring device. As the inner sealing liquid flows, the opaque pigment, pearlescent powder and fluorescent powder in the inner sealing liquid generate reflected light at different angles under illumination, thereby creating a colorful and luminous appearance effect.

The utility model provides an anti-static antibacterial fabric, which relates to the technical field of fabrics and comprises an outer-layer anti-static fabric, an antibacterial-layer fabric is arranged on one side of the outer-layer anti-static fabric, and an inner-layer anti-static fabric is arranged on one side of the antibacterial-layer fabric. According to the utility model, the outer-layer anti-static fabric is formed by mixing and weaving the polyester fibers, the first cotton fibers and the first conductive fibers, and the polyester fibers and the first cotton fibers can improve the luster of the fabric, so that the fabric is smoother and more stiff in hand feeling and has a little elasticity. When external force is applied, wrinkles are not obvious, the recovery time of the wrinkles is shorter than that of pure cotton fabric, the first conductive fibers can inhibit static electricity, the inner-layer anti-static fabric is formed by weaving the second cotton fibers and the second conductive fibers, the inner-layer anti-static fabric has the advantages of moisture absorption, moisture preservation, heat resistance, alkali resistance, soft and comfortable hand feeling and the like while static electricity inhibition is guaranteed, and the anti-static fabric is worthy of popularization and application. The comfort of the fabric is effectively improved.

The present application relates to a separator for nonaqueous secondary batteries and a nonaqueous secondary battery. A separator for nonaqueous secondary batteries, which has a porous substrate and a heat-resistant porous layer provided on one side or both sides of the porous substrate, the heat-resistant porous layer containing a polyvinylidene fluoride-based resin A, a polyvinylidene fluoride-based resin B, and a filler, the polyvinylidene fluoride-based resin A being a polyvinylidene fluoride-based resin containing a tetrafluoroethylene unit, the polyvinylidene fluoride-based resin B being a polyvinylidene fluoride-based resin other than the polyvinylidene fluoride-based resin A, the polyvinylidene fluoride-based resin B being a homopolymer of vinylidene fluoride or a copolymer of vinylidene fluoride and a monomer other than tetrafluoroethylene, the average primary particle diameter of the filler included in the heat-resistant porous layer being 0.01 to 0.5 µm.

The present invention relates to an organic film forming material, an organic film forming method, a pattern forming method, and a compound. The present invention provides an organic film forming material, characterized in that it contains a compound represented by the following general formula (1) and an organic solvent. #imgabs0# In the general formula (1), X is an n-valent organic group with a carbon number of 2 to 50 or an oxygen atom, n is an integer of 1 to 10, and R1 is independently any one of the following general formula (2). #imgabs1# In the general formula (2), the dashed line indicates the bonding site to X, Q1 is a monovalent organic group containing a carbonyl group, and at least a part is a group represented by the following general formula (3). #imgabs2# In the general formula (3), the dashed line indicates the bonding site, X1 represents a single bond, or a divalent organic group with a carbon number of 1 to 20, and the organic group may also have a substituent when it has an aromatic ring. R2 represents a hydrogen atom, a methyl group, an ethyl group, or a phenyl group. ** represents a bonding site.

The present invention provides a lithium ion secondary battery (1) capable of operating in a high temperature environment of 85°C. The lithium ion secondary battery (1) comprises: a lithium ion storage device capable of storing and releasing lithium ions Li + A positive electrode active material, a positive electrode binder for binding the positive electrode active material, and a positive electrode binder capable of absorbing and releasing lithium ions Li + A negative electrode active material, a negative electrode binder for binding the negative electrode active material, and an electrolyte (40) containing an organic solvent and an imide-based lithium salt. The negative electrode active material is pre-doped with lithium ions. The positive electrode binder has a RED value greater than 1 based on the Hansen solubility parameter in the electrolyte (40).

This invention discloses a hot melt adhesive for high-temperature protective clothing and its preparation method, comprising the following raw materials: Fischer-Tropsch wax, styrene-isoprene-styrene block copolymer with 0% diblock content, styrene-isoprene-styrene block copolymer with 20-30% diblock content, styrene-isoprene-styrene block copolymer with 40-50% diblock content, rosin resin, petroleum resin, ethylene-vinyl acetate copolymer, and antioxidant. This hot melt adhesive requires no toxic solvents, possesses both heat resistance and water resistance, and is suitable for high-temperature protective clothing. The preparation method of this hot melt adhesive involves heating and mixing polymer materials without adding any solvents or toxic substances during the preparation process, reducing the risk of toluene poisoning, completely solving the problems of solvent evaporation and recovery, and, more importantly, eliminating safety hazards in the storage and use of organic chemicals, achieving environmentally friendly, safe, and efficient production.

The utility model relates to the technical field of medical instruments, and discloses an operating lamp insulating shaft sleeve which comprises a shaft sleeve body, a base layer is arranged on the inner material of the shaft sleeve body from inside to outside, a first insulating layer is arranged outside the base layer, and a second insulating layer is arranged outside the first insulating layer. A reinforcing layer is arranged outside the second insulating layer, a protection assembly is arranged outside the reinforcing layer, the protection assembly comprises a blocking layer, the blocking layer is arranged outside the reinforcing layer, a high-temperature-resistant layer is arranged outside the blocking layer, and a breathable layer is arranged outside the high-temperature-resistant layer. According to the utility model, the shaft sleeve is prevented from being deformed and cracked to influence the use and safety of the device, the heat insulation and heat resistance effects are realized, the heat dissipation and flame retardance are carried out on the interior of the shaft sleeve, the combustion caused by overhigh internal temperature is avoided, the durability of the shaft sleeve is improved, and the condition that the shaft sleeve is easy to wear or damage is reduced.

The invention relates to a valproic acid homogeneous enzyme immunoassay kit and a preparation method and application thereof, the valproic acid homogeneous enzyme immunoassay kit comprises a reagent R1 and a reagent R2, the reagent R1 comprises a buffer solution, a mouse anti-valproic acid monoclonal antibody, L-malic acid, a stabilizer, a preservative and a surfactant; and the R2 reagent comprises a buffer solution, beta-NAD < + >, a malate dehydrogenase-valproic acid conjugate, a protective agent and a preservative. Aiming at the defect that an existing valproic acid homogeneous enzyme immunoassay kit is poor in stability, glucose 6-phosphate dehydrogenase in a system is replaced with malic dehydrogenase, so that the analysis sensitivity, precision, thermal stability and long-term stability of the kit are remarkably improved. Various performance indexes of the kit are further improved by adjusting the content of the malate dehydrogenase-valproic acid conjugate and beta-NAD < + > in the system, so that the valproic acid homogeneous enzyme immunoassay kit with high analysis sensitivity and excellent precision and stability is obtained.

The present invention relates to a material for forming an organic film, a substrate, a method for forming an organic film, a method for forming a pattern, and a compound for forming an organic film. The subject and object of the present invention are to provide a compound having a dioxin structure that can be hardened even under film-forming conditions in an inert gas, can form an organic underlayer film with excellent heat resistance, filling or planarization characteristics of a pattern formed on a substrate, and good film-forming properties and adhesion to the substrate, and a material for forming an organic film containing the compound. The solution of the present invention is a material for forming an organic film, characterized by containing: (A) a compound for forming an organic film represented by the following general formula (1A), and (B) an organic solvent. [Chemical formula 1] #imgabs0# In the formula, W1 is a tetravalent or hexavalent organic group, n1 represents an integer of 1 or 2, n2 represents 2 or 3, and R1 each independently represents any one of the following formula (1B); in addition, the hydrogen atoms of the benzene ring in the formula may also be substituted with fluorine atoms. [Chemical formula 2] #imgabs1#

The utility model relates to the technical field of Raschig rings, in particular to a high-strength low-resistance Raschig ring. The high-strength low-resistance Raschig ring comprises a Raschig ring body and a reinforcing ring, high-strength coating is sprayed on the outer side wall and the inner side wall of the Raschig ring body, adhesive is sprayed on the surface of the high-strength coating sprayed on the inner side wall of the Raschig ring body, and low-resistance coating is sprayed on the surface of the adhesive. The transverse compressive strength of the Raschig ring can be improved through the reinforcing rings, the longitudinal compressive strength of the Raschig ring can be improved through the reinforcing ribs, meanwhile, the high-performance powder coating has the advantages of being high in coating compactness, low in void ratio, high in coating strength and good in water resistance and chemical resistance, and therefore the strength of the Raschig ring can be further improved; the Teflon coating has the advantages of heat resistance, chemical inertness, excellent insulation stability and low friction, so that the flowing resistance of liquid on the inner wall of the Raschig ring can be effectively reduced, and the Raschig ring has the characteristic of low resistance.

The invention discloses a stable natural polypeptide broad-spectrum bacteriostatic agent as well as a preparation method and application thereof. The preparation method comprises the following steps: (1) preparing a polypeptide bacteriostatic agent culture medium 1; (2) preparing a polypeptide bacteriostatic agent culture medium 2; (3) inoculating streptococcus thermophilus in the PPBM1, and culturing to obtain a PPBM1 culture; inoculating bifidobacterium animalis subsp. Lactis to the PPBM2, and culturing to obtain a PPBM2 culture; and (4) mixing the PPBM1 culture and the PPBM2 culture under a sterile condition, continuing to culture, centrifuging and filtering to obtain a filtrate, namely the stable natural polypeptide broad-spectrum bacteriostatic agent. The bacteriostatic agent disclosed by the invention has safety and is not easy to generate drug resistance; the antibacterial agent has the advantages that the antibacterial agent is a natural antibacterial agent, has the safety performance of no hemolysis and no allergy, has relatively strong stability, has good stability under strong ultraviolet rays, has heat resistance, acid resistance, cholate resistance and broad-spectrum bacteriostasis, and is a safe and harmless natural antibacterial agent with wide application.

This invention provides a water-based coating for anti-slip and heat-resistant bamboo mats. The coating comprises a water-based penetrating primer layer, a water-based colored topcoat layer, a water-based water-resistant and heat-resistant coating, and a water-based anti-slip and wear-resistant coating. These four layers are sequentially applied to a bamboo substrate. This invention consists of four coating layers, which, when applied to a bamboo substrate, endow the bamboo product with excellent anti-slip, wear-resistant, water-resistant, and heat-resistant properties.

The invention relates to the technical field of batteries, in particular to a diaphragm, a preparation method thereof and a battery. The separator comprises: a base film; the coating is arranged on the surface of at least one side, in the thickness direction, of the base film, and the coating comprises composite fibers; the composite fiber comprises a compound formed by dehydrating and condensing a reactant A and a reactant B, wherein the reactant A comprises at least one of bacitracin or a bacitracin metal chelate, and the reactant B comprises at least one of a hydroxyl-containing polymer, a carboxyl-containing polymer, an acylamino-containing polymer or an amino-containing polymer. Wherein the reactant A and the reactant B are stably combined through a covalent bond, and a uniform and compact coating is formed on the interface of the base membrane in an electrostatic spinning manner. The diaphragm has excellent softness, relatively high tensile strength, good hydrophilicity and slow release characteristic, and also has the characteristics of stability, heat resistance, excellent ionic conductivity and the like.

The invention relates to the technical field of lithium ion batteries, in particular to a high-temperature-resistant electrolyte and a lithium ion battery. The high-temperature-resistant electrolyte comprises a lithium salt, an organic solvent, a film-forming additive and a high-temperature-resistant additive; based on the total mass of the high-temperature-resistant electrolyte being 100%, the content of the high-temperature-resistant additive is 1-5%; the high-temperature-resistant additive is selected from a combination of diphenylphosphonyl hydroxylamine and phenylphosphonyl nitrile. The high-temperature-resistant additive is introduced into the high-temperature-resistant electrolyte provided by the invention, so that a stable and compact SEI film can be formed on the surface of a negative electrode, dendritic crystal growth is inhibited, active lithium loss is reduced, meanwhile, a high-temperature-resistant protective layer is generated on the positive electrode side, and the anti-oxidation stability of a positive electrode interface is effectively improved, so that the electrode interface has compactness and heat resistance; and the interface stability at high temperature is obviously improved, so that the battery applying the composite material has excellent high-temperature cycle performance.

The biomass epoxy resin composition comprises an epoxy resin, a biomass-derived curing agent, a biomass-derived monomer, and a polymerization initiator, and is characterized in that the gelation time of the polymer of the monomers at 100 DEG C or lower is within 20 minutes, and the glass transition temperature of the polymer of the monomers is 60 DEG C or higher.

The invention relates to an electrical device (1) comprising a coil (7) arranged within a cavity (5) of a housing (3), at least one composition comprising at least one dielectric fluid, preferably a dielectric liquid, and at least one material (12) in gel form, and wherein the ratio between the maximum volume occupied by the material (12) in gel form and the total volume of the cavity (5) is less than 50%. The invention also relates to the use of a material (12) in the form of a gel for preventing and / or minimizing leaks in a composition (9) comprising at least one dielectric fluid in an electrical device (1), in particular a transformer or a capacitor.