179 results about "Composite matrix" patented technology

The invention provides a reinforcing beam reinforced by adopting an out-of-service wind power blade and a method for determining the bending rigidity. According to the reinforcing beam, a plurality of grooves are formed in at least one surface of a reinforced concrete beam; the reinforcing layer comprises reinforcing ribs and a cement-based composite matrix, a plurality of protrusions are arranged on the surface of the cement-based composite matrix, the protrusions are arranged at intervals in the length direction of the cement-based composite matrix, and the protrusions are correspondingly embedded into the grooves, so that the reinforcing layer is connected with the reinforced concrete beam to obtain a reinforced concrete reinforced beam; wherein the reinforcing ribs are obtained by disassembling and cutting a main beam of the retired wind power blade. According to the reinforcing beam, the combining capacity of the reinforced concrete beam and the reinforcing layer is high, mutual slippage is avoided, the retired wind power blade composite material resources are utilized, the environment is protected, and the cost is saved while high-performance reinforcing treatment can be conducted on the damaged reinforced concrete beam structure or the reinforced concrete beam structure with insufficient bearing capacity.

The invention relates to a double-particle and polymer composite matrix hybrid network structure hydrogel sensing material and a preparation method thereof, one-dimensional high length-diameter ratio tCNC rigid particles and CNT conductive flexible particles are controlled by a double-particle hybridization degree, and a force-electricity hybrid double-particle system is formed according to surface interaction and physical entanglement of the tCNC rigid particles and the CNT conductive flexible particles; hybrid double particles are introduced into a polyvinyl alcohol / fibroin composite matrix, and tCNC / CNT particles, particles and molecular chains are physically entangled and act with an interface to promote dispersion of a hybrid double-particle system, so that a co-continuous network of mechanical-conductive synchronous percolation is effectively constructed; a repeated freeze-thaw method is adopted to optimize interaction among substances and microscopic multi-scale network and phase region structures, enhance mechanical-electrical properties and broaden a force-electricity related linear sensing interval, so that the hydrogel has the characteristics of thermal response recycling, molding application and the like.

The invention relates to the technical field of layered products, and particularly discloses a skin material for wave-absorbing hiding and a preparation method. The skin material is of a layered structure and comprises a bionic micro-forest wave-transparent layer, a gradient transition layer, a wave-absorbing layer with a'skeleton-matrix 'dual-network structure, a reflecting layer and a heat-insulating layer which are sequentially arranged from top to bottom. A micro-cone array is arranged on the surface of the bionic micro-forest wave-transparent layer, so that broadband impedance matching is realized; the wave-absorbing layer comprises a three-dimensional ceramic skeleton and a magnetic-dielectric composite matrix filled in pores of the skeleton, and magnetic absorbents in the wave-absorbing layer are directionally arranged in the layer plane direction through a magnetic field auxiliary technology. The skin material prepared by the invention has excellent comprehensive performance of ultra-wideband wave absorption, high mechanical strength, light weight and high temperature resistance, and is particularly suitable for stealth requirements in the field of aerospace.

The invention discloses a polyphenol modified carbon fiber reinforced sulfonated polyetheretherketone composite material and a preparation method thereof, and belongs to the field of polymer composites.The preparation method comprises the steps that a resin matrix and filler are filled into a mold to be sintered, the resin matrix is sulfonated polyetheretherketone, the filler comprises modified carbon fibers and nano-silicon dioxide, and the modified carbon fibers and the nano-silicon dioxide are sintered to obtain the polyphenol modified carbon fiber reinforced sulfonated polyetheretherketone composite material; the modified carbon fiber is prepared by taking carbon fiber, catechol and polyethyleneimine as raw materials in a Tris buffer solution. The hydration lubrication performance of a resin matrix is improved through sulfonated polyetheretherketone, the hydrophilic property is enhanced, a polyphenol coating is formed through self-polymerization reaction on the surfaces of the carbon fibers, the adhesion performance of the surfaces of the fibers is improved through the pi-pi stacking effect, and the interface bonding force between the carbon fibers and the modified resin matrix is enhanced; the nano silicon dioxide is introduced to modify the matrix of the composite material, so that not only is the overall wettability of the material optimized, but also the mechanical property and the wear resistance are effectively improved, and the final composite material has the characteristics of high strength and low friction.

The invention relates to the technical field of composite material structure dynamics analysis, and provides a method and system for predicting the inherent frequency of a three-phase functionally graded composite material conical plate, and the method comprises the steps: employing an improved Halpin-Tsai model to calculate the equivalent parameters of a GPL-containing two-phase composite matrix, solving the equivalent parameters of a three-phase composite layer, and calculating the inherent frequency of the three-phase composite material conical plate. The method comprises the following steps: constructing a nonlinear geometrical relationship between a displacement field and a strain field, calculating a stiffness coefficient of each layer, constructing kinetic energy of the three-phase composite material conical plate, calculating an energy coefficient according to the stiffness coefficient of each layer, constructing potential energy of the conical plate according to the energy coefficient, and constructing a modal displacement function by adopting a Chebyshev polynomial and a boundary function. And establishing a characteristic equation based on a minimum potential energy principle and solving to obtain the inherent frequency of the three-phase composite material conical plate. According to the method, efficient calculation of the inherent frequency of the three-phase composite material conical plate is achieved, and the reliability and engineering application value of structural dynamics analysis are remarkably improved.

The invention discloses a polyurethane-containing composite insulating material and a preparation method thereof. The invention relates to the technical field of insulating materials. The insulating material comprises the following components in parts by weight: 85-100 parts of a composite matrix, 15-25 parts of modified silicon carbide and 20-40 parts of a reinforcing filler. According to the polyurethane-containing composite insulating material and the preparation method thereof, silicon carbide is subjected to modification treatment, so that the surface energy of the silicon carbide is reduced, the silicon carbide can be uniformly dispersed in a matrix, the binding force with the polyurethane matrix is improved, crack propagation is reduced, the impact resistance of the material is improved, partial load is borne, and the overall strength and hardness of the material are enhanced; the wear resistance and the deformation resistance are better; the modified silicon carbide uniformly dispersed in the matrix can play a physical barrier role to prevent direct conduction of electrons in the matrix, and more insulating barrier layers are formed in the polyurethane matrix, so that an electron conduction path is lengthened and bent, and the insulating property of the material is improved.

The invention relates to the technical field of corrosion-resistant high-temperature sintering kiln furniture, and discloses a gradient composite corrosion-resistant kiln furniture for sintering electronic components and a preparation method thereof, the gradient composite corrosion-resistant kiln furniture comprises a gradient composite matrix, a laser microtexturing layer, an interface strengthening transition layer and a double-layer composite coating, the double-layer composite coating is formed by a rare earth oxide and non-metallic element powder through a high-temperature in-situ reaction, the double-layer composite coating is composed of a porous buffer layer and a compact anti-corrosion layer, and the compact anti-corrosion layer is obtained through a high-speed oxygen fuel spraying and amorphous precursor dipping secondary curing process. The interface strengthening transition layer is introduced into the gradient matrix, the interface strengthening transition layer is formed by the rare earth oxide and the non-metallic element powder through the high-temperature in-situ reaction, a compound phase with chemical inertness and self-healing capacity is constructed, permeation of a corrosion medium into the matrix is effectively blocked, and a compact anti-corrosion layer in the double-layer composite coating has a good anti-corrosion effect. Extremely densification of the coating is completed through high-speed oxygen fuel spraying and amorphous precursor dipping secondary curing.

The invention discloses a 3D printing photocuring forming method for a silicon nitride ceramic framework, and belongs to the technical field of advanced ceramic additive manufacturing. According to the 3D printing photocuring forming method for the silicon nitride ceramic framework, the silicon nitride framework containing a communicating hole array and a special-shaped supporting structure can be prepared through the DLP photocuring technology and customized slurry, the efficient infiltration requirement of a multiphase ceramic matrix is met, and the manufacturing efficiency is improved. The powder dispersity is improved through modification of a silane coupling agent, resin residues are thoroughly removed through cooperative control of a low-shrinkage resin system, segmented exposure, gradient degreasing and sintering, interface reaction with a complex-phase matrix at high temperature is avoided, stable complex-phase performance is guaranteed, layering does not exist after standing is conducted for 24 h through customized slurry, the process stability is extremely high, and the method is suitable for industrial production. Therefore, the problems of single skeleton structure, low dimensional precision and high impurity content in the prior art are solved, a complex three-dimensional pore structure can be prepared, the process stability is high, and the method is suitable for batch production and meets the requirements of multiple scenes such as high-temperature structural parts and multiphase ceramic reinforcement bodies.

The utility model relates to the technical field of sponge city construction, in particular to a sponge city green roof embedded type purification module which comprises a bottom frame box, a purification assembly is arranged on the inner side of the bottom frame box, and a disassembly and assembly assembly is arranged on the outer side of the bottom frame box. The purification assembly comprises a purification box, a filter screen, a biochar composite matrix layer and a zeolite filter layer; the purification box, the filter screen, the biochar composite matrix layer and the zeolite filter layer are sequentially arranged on the inner side of the bottom frame box from top to bottom, the purification box is detachably connected with the bottom frame box, according to the purification assembly, the filter screen filters impurities in rainwater, the biochar composite matrix layer adsorbs organic matter and a modified biochar matrix, and the zeolite filter layer is detachably connected with the bottom frame box. Ions in the zeolite filter layer are exchanged to remove trace elements in the rainwater, so that the rainwater is purified by the purification box in the mounted state, the rainwater purification effect is effectively improved through the structure, and the disassembly and assembly assembly is convenient for separately disassembling, assembling and replacing the purification box.

The invention discloses a whisker-reinforced composite porous ceramic material as well as a preparation method and application thereof, which are based on a new process of combining silicon carbide and cordierite and are combined with factors such as silicon carbide particle size and sintering conditions to really realize effective combination of low thermal expansion characteristic of cordierite and high strength characteristic of silicon carbide. The invention aims to synchronously improve the thermal shock resistance and mechanical bearing capacity of a product so as to provide a DPF filter body material with better performance. Furthermore, in order to optimize the filtering performance, mullite whiskers grow in the composite matrix in situ, and a more efficient particulate matter trapping network is constructed, so that the mechanical reliability, the thermal stability and the filtering efficiency are synergistically improved.

The application provides cross-linked esterification modified microcrystalline cellulose and a preparation method thereof, wherein the agglomeration of the microcrystalline cellulose is improved by a double modification method of cross-linking and then esterification, the prepared cross-linked esterification modified microcrystalline cellulose has nanoscale size and high crystallinity, and has good mechanical properties and biocompatibility, and is particularly suitable for the fields of biological stents, tissue repair, drug delivery and biosensors. The application also uses the cross-linked esterification modified microcrystalline cellulose to prepare a collagen composite matrix, and the collagen composite matrix has better mechanical properties, water absorption properties and spatial structure stability, and brings new choices for biomedical material research and application.

The invention relates to nano magnesium hydride powder and a preparation method thereof, and belongs to the technical field of magnesium hydride preparation. The preparation method of the nano magnesium hydride powder comprises the following steps: ultrasonically dispersing a composite base material, an auxiliary agent and deionized water, slowly dropwise adding a modified solution, heating, stirring and filtering, taking out a product, washing, and carrying out vacuum drying and calcining in a drying oven to obtain a composite coating body; magnesium hydride and the composite coating body are placed in absolute ethyl alcohol to be subjected to ultrasonic treatment, ball milling is conducted after vacuum drying is conducted, and the composite coating body is obtained. According to the technical formula provided by the invention, through the synergistic effect of the composite base material, the sodium alginate and the aluminum-zirconium coupling agent, the hydrogen storage capacity and the dehydrogenation rate of the nano magnesium hydride powder are remarkably improved, and the cycling stability is enhanced.

The invention relates to the technical field of material surface engineering and extreme working condition tribology, in particular to a wide-temperature-range composite lubricating component based on multi-scale design and interface self-adaption and a preparation method of the wide-temperature-range composite lubricating component based on multi-scale design and interface self-adaption. The composite lubricating structure comprises, from inside to outside, a metal bonding layer; the composition of the diffusion barrier layer is continuously and gradually changed from the alloy composition matched with the metal bonding layer to the ceramic composition; the self-lubricating functional layer comprises a ceramic metal composite matrix and a plurality of lubricant capsules dispersed in the ceramic metal composite matrix; the lubricant capsule comprises a ceramic shell layer and at least two lubricating phases with different temperature activation characteristics wrapped by the ceramic shell layer. According to the invention, continuous and effective lubrication in a wide temperature range is realized, the friction coefficient can be stabilized below 0.3, and the problems of reduction of the binding force between a coating and a matrix and early failure are solved.

The invention relates to the technical field of biological waste treatment, in particular to a preparation method and application of a silkworm sand feed additive. The invention provides a technical scheme for preparing a silkworm and mulberry sand feed additive rich in acid protease, pectinase and cellulase by taking silkworm sand as a core matrix and performing directional pretreatment, adaptive strain fermentation and standardized post-treatment. According to the invention, silkworm sand-corncob powder is used as a composite substrate, and the silkworm sand and the corncob powder complement each other in function, so that the problems of unbalanced nutrition and poor air permeability of a single substrate are solved. Specific aspergillus niger is used for segmented solid-state fermentation, parameters are set in a differentiated mode, and full-amount utilization of the silkworm sand is achieved; the product quality and enzyme activity are improved by optimizing the process, and the resource value is improved from the low-added-value field to the high-added-value enzyme preparation industry.

The invention provides a high-dielectric / solvophobic synergistic artificial interface protective layer and a preparation method and application thereof. The protective layer sequentially comprises a high-dielectric composite matrix layer and a solvophobic surface layer from inside to outside, wherein the high-dielectric composite matrix layer contains 40-60 wt% of a solid electrolyte matrix, 10-25 wt% of a high-dielectric polymer, 20-30 wt% of high-dielectric inorganic particles and 5-10 wt% of a LiF stabilizing phase; the hydrophobic agent surface layer is made of Al2O3 / SiO2 nano-particles which are subjected to coupling modification by fluorosilane; the protective layer can realize lithium metal negative electrode side electric field homogenization and interface chemical passivation, induce lithium ions to uniformly deposit from bottom to top, and inhibit electrolyte side reaction and H2S release at the same time, when the protective layer is applied to a lithium metal battery, the lithium metal battery can stably circulate for more than or equal to 500h under 0.5-1.0 mA * cm <-2 >, and the 100-time circulation capacity retention rate of the all-solid-state battery is more than or equal to 93%.

The invention relates to the field of edible films, and particularly discloses a natural polysaccharide composite preparation method of an edible film, which comprises the following steps: step 1, preparation of an acidic polysaccharide solution: dissolving citrus low-ester amidated pectin in hot water with the temperature of 60-80 DEG C, stirring until the citrus low-ester amidated pectin is completely dissolved, and cooling to room temperature to obtain a pectin solution with the mass concentration of 2-4%; step two, preparation of a cationic polysaccharide solution: dissolving chitosan in an acetic acid aqueous solution with the volume fraction of 1%, and stirring until the chitosan is completely dissolved to obtain a chitosan solution with the mass concentration of 1.5-2.5%; natural cationic polysaccharide and specific anionic polysaccharide are subjected to electrostatic compounding in a controllable acid environment, and a natural polyphenol compound is introduced as a multifunctional cross-linking agent, so that a composite matrix with a compact three-dimensional network structure and biological activity is successfully constructed; the method effectively overcomes the technical bottlenecks that the mechanical property and the ductility of the traditional edible film are difficult to consider and the function is single.

The present application relates to the technical field of slag resource processing, more particularly, it relates to a slag recycling secondary treatment process. It comprises the following steps: titanium-containing blast furnace slag recycling and processing, titanium-containing blast furnace slag resource processing, composite adsorbent preparation, resource secondary treatment and composite phase change heat storage material preparation. In the present application, through the resource processing of the titanium-containing blast furnace slag, the titanium-silicon composite matrix material and the mixture powder can be separated from the titanium-containing blast furnace slag, and the titanium-silicon composite matrix material and the mixture powder can be used for preparing the composite adsorbent and used as the matrix material of the composite phase change heat storage material respectively, so as to achieve the purpose of efficient resource utilization of the titanium-containing blast furnace slag and play the characteristics of each component in the titanium-containing blast furnace slag.

The invention relates to the field of cable materials, in particular to an environment-friendly flame-retardant cable material and a preparation method and application thereof.The environment-friendly flame-retardant cable material comprises, by mass, 100 parts of a composite matrix including 60-75 parts of recycled polyethylene and 25-40 parts of recycled polypropylene; 15-25 parts of a synergistic flame-retardant system which comprises a phosphazene flame retardant, a silane coupling agent and nano montmorillonite; 3-8 parts of an interface modifier, wherein the interface modifier comprises an ionic copolymer and maleic anhydride grafted polyolefin; 2-6 parts of a weather-resistant reinforcing agent which comprises a hindered amine light stabilizer, an antioxidant and nano titanium dioxide; and the processing aid comprises a lubricant and a flexibilizer. Through multi-dimensional innovation of a matrix, flame retardance and an interface, the technical problems that an existing halogen-free flame-retardant cable material is unbalanced in flame retardance and strength, poor in weather resistance and high in environmental protection cost are solved, the prepared cable material has high strength, high flame retardance, high weather resistance and environmental protection performance, and good material requirements are provided for cable materials in industrial and outdoor complex scenes.

The invention discloses a maleic anhydride graft and application thereof, and belongs to the technical field of high polymer materials, the maleic anhydride graft is prepared from maleic anhydride and matrix resin; the matrix resin comprises the following components in parts by weight: 30-50 parts of linear low-density polyethylene, 20-40 parts of EVA (Ethylene-Vinyl Acetate), 20-40 parts of polyolefin elastomer and 5-10 parts of polyethylene wax. According to the product, linear low-density polyethylene, EVA and a polyolefin elastomer are used as composite matrix resin, and low-density polyethylene wax is introduced as a matching component, so that the product can maintain a relatively high maleic anhydride grafting rate, and meanwhile, the proportion of active maleic anhydride participating in compatibilization is high; maleic anhydride and a resin main body have the effect of synergistically improving compatibility, and the mechanical property and flame-retardant stability of a product can be greatly improved under the condition that the use amount is small when maleic anhydride and the resin main body are applied to a cable material.

This invention relates to a composite fabric with electromagnetic shielding effect, its preparation, and its application. The composite fabric is made of a composite matrix material prepared mainly from ultra-high molecular weight polyethylene fiber and multi-walled carbon nanotubes, and the matrix material is sandwiched between two single-layer fabrics. The preparation method includes the following steps: a) cutting ultra-high molecular weight polyethylene fiber into short sections and mixing it with multi-walled carbon nanotubes, waterborne polyurethane, and dichloromethane; b) ultrasonically stirring the mixture obtained in step a until uniformly mixed; c) pouring the uniformly mixed mixture from step b into a mold, drying, degassing, and hot-pressing to obtain the composite matrix material; d) laying the obtained composite matrix material between the first and second single-layer fabrics, and hot-pressing to obtain the composite fabric with electromagnetic shielding effect. Compared with the prior art, this invention can enable bulletproof composite fabrics to possess excellent electromagnetic shielding performance while minimizing mechanical property loss.

The invention discloses a bandage type rigid-flexible composite matrix humidity detection instrument and a monitoring method thereof, and belongs to the technical field of humidity monitoring. The flexible bandage comprises a flexible bandage body, a sensing matrix, a split type signal processing unit and a visualization unit. The flexible bandage main body is of a rigid-flexible composite structure formed by a flexible substrate and a rigid island, and a sensing unit is integrated on the rigid island; the sensing unit comprises a coplanar micro-cavity humidity sensitive capacitor and an embedded temperature sensor; the plurality of sensing units are arranged on the bandage in a matrix manner to form a sensing matrix; the split type signal processing unit is of a split type structure and is connected with the sensing matrix through a high-temperature-resistant cable. According to the invention, a rigid-flexible composite bandage structure is adopted and can be tightly attached to different curved surfaces, so that planar and multi-point humidity distribution monitoring is realized; through a matrix sensing unit and integrated temperature compensation, the measurement precision and stability in a complex temperature change environment are significantly improved, and the system has on-site and remote double visual feedback capability.

This invention relates to a novel honeycomb activated carbon for adsorption-desorption catalytic combustion processes, belonging to the field of activated carbon technology. The novel honeycomb activated carbon comprises the following raw materials: a composite matrix, a composite activator, cobalt nitrate hexahydrate, zirconium oxynitrate hydrate, platinum nitrate, polyvinylpyrrolidone, and hexadecylamine. This invention uses beet pulp, enoki mushroom residue, and king oyster mushroom residue as the composite matrix to provide a large number of hydroxyl groups. Potassium bicarbonate and triammonium phosphate are used as the composite activator to dehydrate, condense, and interconnect the numerous hydroxyl groups on the composite matrix, effectively increasing the pore structure of the system and providing a large number of adsorption sites, facilitating the adsorption and mass transfer of VOCs. Simultaneously, the introduction of cobalt, zirconium, and platinum metal elements significantly improves the catalytic combustion performance of the system for VOCs. The addition of polyvinylpyrrolidone and hexadecylamine further enhances the catalytic combustion performance of the system.

The invention relates to the technical field of flame retardants, in particular to a high-performance flame retardant suitable for a composite material and a preparation method thereof, and the high-performance flame retardant comprises the following raw materials in parts by weight: 45-55 parts of isocyanate, 45-55 parts of polypropylene triol, 5-10 parts of dimethyl methylphosphonate and 2-10 parts of an additive. According to the invention, a base material of the additive is generated from hydrogenated tallow amine polyoxyethylene ether, KH560, KH792 and other components, the interface bonding force between flame retardant molecules and a matrix is enhanced, KH570 modified composite hydroxide, nano-silica and the like form a filler, and through wrapping and bridging of the base material in the additive, nano-scale uniform dispersion in the matrix is realized, and the base material and the nano-silica cooperate with each other, so that the flame retardant performance is improved. A firm anchoring and dispersing structure is constructed between the flame retardant and a composite material matrix, and migration and precipitation of the flame retardant due to weak interface bonding force are effectively inhibited, so that the durability of the flame retardant property is ensured.

The invention provides a terpene nano composite material capable of naturally releasing negative oxygen ions and a preparation method thereof, and relates to the field of negative oxygen ions, the composite material comprises the following raw materials by weight: 15-35 parts of a terpene concentrate, 65-85 parts of a composite matrix, and 1-3 parts of a synergist; the terpene concentrate is prepared from the following raw materials in parts by weight through stepped extraction: 20-40 parts of pine needles, 10-20 parts of cypress leaves, 5-15 parts of wormwood, 2-8 parts of cloves, 3-10 parts of citrus peels, 1-5 parts of sweet-scented osmanthus, 2-6 parts of moss and 1-4 parts of selenium-enriched tea leaves. The composite material has the advantages of high efficiency, long acting, multiple functions, industrialization and the like.

The invention provides an integrated inductor formed based on a magnetic composite material and a winding and a manufacturing method of the integrated inductor. The integrated inductor comprises a main magnetic ring, iron-based nanocrystalline powder and composite powder which are formed in an axial magnetic field orientation mode under the pressure of 500-700 MPa, the winding and an internal gradient layer. The crushed magnetic particle mixture is of a chain structure of Fe-Si-B-Cr amorphous crushed magnetic particles which are directionally arranged in a magnetic field, and the external coating layer is made of a high-thermal-conductivity magnetic composite material. According to the invention, a three-stage magnetic circuit design is formed by the high saturation magnetic induction intensity of the main magnetic ring, the structural support, the magnetic resistance shunt of the transition layer, the stress buffer and the broadband response and thermal management of the coating layer, so that the broadband response of DC-5MHz is realized, and the saturation current is improved; meanwhile, an epoxy resin-cyanate ester-polysulfide rubber composite matrix is subjected to triazine ring crosslinking and elastomer modification, so that the thermal deformation temperature reaches 200 DEG C or above, meanwhile, the interlayer CTE difference is reduced, and the forming yield is increased.

A negative electrode material includes a composite matrix material and a carbon coating coated on the composite matrix material. The composite matrix material includes lithium silicate, silicon oxide, an activator, and silicon embedded in the lithium silicate and the silicon oxide.

The invention discloses a 1500 DEG C-resistant ceramic-based composite material and a preparation method thereof, and belongs to the technical field of high-temperature structural materials. The method comprises the following steps: selecting metal-doped high-temperature-resistant silicon carbide fibers to form a preform; depositing a Ti3SiC2 interface layer on the surface of the fiber, and carrying out heat treatment at 1200-1500 DEG C; and then sequentially carrying out chemical vapor deposition on a SiC matrix, dipping ceramic powder with slurry and dipping and pyrolyzing a metal modified precursor on the prefabricated body to obtain the final composite material. The composite material comprises a preform formed by the SA type fiber, a Ti3SiC2 interface layer covering the surface of the fiber, and a composite matrix filling and coating the fiber. Through the systematic design of the high-temperature-resistant fibers, the reinforced interface and the synergistic densification matrix, the prepared material has excellent mechanical properties and long-term stability in air at the temperature of 1500 DEG C, and is suitable for ultrahigh-temperature hot-end components such as aero-engines and gas turbines.

The effects resulting from the individual components and additives in the first and second mixing are studied for various rubber compounds.SOLUTION: A method of making a composite matrix via incorporation of CNTs is disclosed. The method includes mixing a component comprising CNTs and one or more inorganic surfactants at a first, low shear rate to produce a treated mixture, mixing a component comprising the treated mixture and one or more polymers to produce a polymer-based mixture, and curing the polymer-based mixture to obtain a composite matrix.SELECTED DRAWING: Absent

The invention belongs to the technical field of packaging materials, and particularly discloses a probiotic-bioactive component composite membrane as well as a preparation method and application thereof, the composite membrane takes gelatin and carboxymethyl chitosan as a composite matrix, dandelion polyphenol and lactobacillus plantarum are loaded on the composite membrane, the composite membrane further comprises a plasticizer, and the plasticizer is a mixture of glycerol and polyethylene glycol. According to the probiotic-bioactive component composite membrane as well as the preparation method and the application thereof, the probiotics and the bioactive components are jointly loaded in a gelatin-carboxymethyl chitosan composite matrix, and a stable probiotic-bioactive component-membrane material system is formed through a hydrogen bond cross-linked network of the matrix; the survival of the lactobacillus plantarum can be effectively guaranteed, and the survival rate of the lactobacillus plantarum is increased.