193 results about "Fiber size" patented technology

The invention relates to the technical field of composite materials, in particular to fiber sizing liquid, a polyether-ether-ketone composite material and a preparation method of the polyether-ether-ketone composite material, and the fiber sizing liquid comprises low-molecular-weight polyaryletherketone containing imide side groups, carbon nanotubes and the like; the composite material is obtained by carrying out heat treatment on fibers, re-sizing the fibers by adopting the sizing liquid, and then carrying out melt extrusion on the fibers and polyether-ether-ketone. The sizing liquid provided by the invention can effectively improve the compatibility between fibers and PEEK, so that the mechanical properties of the composite material are obviously improved.

A method for improving the wear resistance of carbon fibers sized with polyimide, the method relating to the field of materials. The method for improving the wear resistance of carbon fibers in the present invention comprises the following steps: using an impregnation method to attach a water-based sizing agent to carbon fibers for surface sizing, and drying same at 140-260℃. The wear resistance of the carbon fibers is improved by changing the drying temperature in the carbon fiber sizing process. The sized carbon fibers have the advantages of good wear resistance and minimal fuzzing, thus being capable of withstanding further weaving and processing.

The invention belongs to the technical field of preparation of composite prepregs, and provides equipment and a method for preparing fiber arrangement micron-sized controllable ultra-thin composite prepregs. The equipment comprises a shell, a protofilament preparation assembly, a filament supply assembly, a fiber oxidation assembly, a fiber carbonization assembly, a fiber sizing assembly, a fiber tension control assembly, a fiber position adjusting assembly and a fiber winding assembly. According to the equipment and the method for preparing the ultra-thin layer composite material prepreg with the micron-sized controllable fiber arrangement, the fiber position can be accurately controlled, the micron-sized accurate arrangement of the fiber is realized, the uniformity and the regularity of fiber distribution are ensured, the mechanical property and the stability of the composite material can be remarkably improved, and the application prospect is wide. The appearance of a fat-rich region and a fiber-rich region is reduced; a nondestructive fiber treatment and layering method is adopted, and fiber tension and position are precisely controlled, so that fiber damage caused by fiber expansion in a traditional method is avoided, and integrity and strength of fibers are kept.

The invention belongs to the technical field of fiber size measurement, and particularly relates to a method for measuring the length of fibers in a fiber reinforced thermoplastic composite material. Mixing and diluting the fiber reinforced thermoplastic composite material and thermoplastic resin to obtain a diluted material, pressing the diluted material to obtain a test sample strip, cutting the test sample strip into a sample wafer, and measuring the length of the fiber in the sample wafer under an optical microscope; wherein the fiber reinforced thermoplastic composite material is prepared from matrix resin and reinforced fibers, and the matrix resin is the same as thermoplastic resin. According to the invention, the problems of poor measurement result accuracy and reproducibility and low measurement efficiency of the existing fiber length measurement method for the fiber reinforced thermoplastic composite material are solved.

A preparation method of an emulsion type aramid fiber sizing agent belongs to the technical field of fiber surface treatment, and the specific scheme is as follows: preparing aromatic polyamide from corresponding diamine and acyl chloride, then reacting with epoxy resin to prepare modified epoxy resin, and preparing the emulsion type aramid fiber sizing agent under the action of a compound emulsifier. The preparation method disclosed by the invention is simple and relatively low in cost, better interface bonding can be formed between the aramid fiber and the epoxy resin after sizing by the sizing agent, and particularly, the interlayer shear strength of the aramid fiber / epoxy resin composite material is relatively well improved; the preparation method has important significance in improving the use performance and stability of the aramid fiber composite material and expanding the application of the aramid fiber.

The invention relates to the technical field of high polymer materials and preparation, and discloses a high-temperature-resistant ceramic polymer-derived ceramic precursor resin molding compound and a preparation method thereof. The high-temperature-resistant composite material is prepared from the following raw materials: 100 parts of high-molecular methyl hydrogen solid polysilazane resin, 1.0 to 5.0 parts of organic silicon plastic modifier, 30 to 40 parts of hybrid fiber, 1.0 to 5.0 parts of fiber sizing agent, 20 to 25 parts of high-temperature-resistant active filler, 10 to 15 parts of fluxing agent, 1.0 to 5.0 parts of high-temperature-resistant lubricant, 0.01 to 2.50 parts of curing agent, 0.1 to 5.0 parts of release agent and 1.2 parts of high-temperature-resistant pigment. Wherein the fiber sizing agent is one or more of epoxy resin, hexamethyldisilazane and polydopamine. The high-temperature-resistant ceramizable polymer derived ceramic precursor resin molding compound provided by the invention has good processability and relatively high ceramic yield.

The invention discloses a carbon fiber sizing agent composition suitable for thermoplastic resin, sized carbon fiber, a carbon fiber sizing agent as well as a preparation method and application of the carbon fiber sizing agent, belongs to the technical field of carbon fiber sizing agents, and solves the problem that a sizing agent in the prior art cannot meet excellent mechanical properties and high temperature resistance at the same time. The composition is prepared from the following components in parts by weight: 15 to 35 parts of modified polyaryletherketone resin matrix, 0.3 to 2 parts of neutralizer, 1 to 3 parts of emulsifier, 1.5 to 3 parts of defoaming agent and 57 to 80 parts of deionized water. The sizing agent containing the composition has good wettability and film-forming property on the surface of the carbon fiber, and meanwhile, the sizing agent is matched with other components with specific contents in the composition, so that the carbon fiber sizing agent containing the carbon fiber sizing agent composition has excellent heat resistance, can bear processing at the high temperature of 350 DEG C or above, and has good application prospects. And the composite material containing the sizing agent has excellent interlaminar shear strength.

Disclosed are methods for the direct production of short fibers using microdecortication processes and the production of densified particles and short fiber products, sourced from hemp or other bast plants, hemp fiber products, methods for the production of hemp fiber-reinforced polymeric materials, and the polymeric materials resulting therefrom. An embodiment of the method for the production of densified hemp fiber products involves microdecortication with the utilization of particle size reduction equipment to cut all or a portion of hemp stalk, bast fiber, and hurd to produce short fibers and particles. Some embodiments make use of microdecortication to cut whole hemp stalk directly into short hemp fiber. Equipment with cutting action may provide for more adequate control of fiber size and aspect ratio while using the whole hemp stalk to produce short fibers, as opposed to the production of short hemp fibers by cutting long hemp fibers originating from decortication.

The invention relates to a carbon fiber sizing agent, a preparation method of the carbon fiber sizing agent, sized carbon fiber and a preparation method of the sized carbon fiber, and belongs to the technical field of carbon fiber sizing agents. The carbon fiber sizing agent comprises benzoxazine resin, amino modified resin, an emulsifier and a solvent. The benzoxazine resin is used as a main raw material, and the amino-modified resin is introduced, so that when the sizing agent is used for sizing carbon fibers, the benzoxazine resin can be subjected to a grafting cross-linking reaction with the amino-modified resin at a high temperature, and the benzoxazine resin can be subjected to epoxy ring-opening polymerization to form a self-cross-linking reaction. The cross-linking reactions can improve the heat resistance and the interface performance of the sizing agent, so that the interface performance of a composite material formed by the carbon fibers and a resin matrix is effectively enhanced.

The invention discloses a lightweight rebounding PKA thermal insulation aerogel and a preparation method thereof, and belongs to the field of thermal insulation aerogels, the preparation method comprises the following steps: the thermal insulation aerogel comprises an aramid III nanofiber (AIIINF) matrix with a hierarchical pore structure, a silane coupling agent (KH550) and a reinforcing filler, the reinforcing filler is prepared by freezing and swelling PBO fibers, and the PKA thermal insulation aerogel is prepared from the PAINF matrix, the silane coupling agent (KH550) and the reinforcing filler. Wherein freeze swelling promotes defibering of the PBO fibers and provides favorable active sites to cooperate with KH550 to be uniformly dispersed into an ALINF matrix. Due to the coupling effect and a network structure formed by mutual association and oligomerization after KH550 hydrolysis, the binding force of a matrix and a reinforced phase is improved, and a reinforced mechanical structure and a reinforced pore structure are constructed for the heat-insulating aerogel. The fiber size is regulated and controlled through a solvent method, interface combination is optimized, a porous structure is constructed in combination with a directional freezing technology, and unification of light weight, resilience and efficient heat insulation is achieved. The aerogel is suitable for the field of thermal protection in an extreme environment.

The invention relates to the field of fiber sizing agents and polymer-based composite materials thereof, in particular to a sulfonated polyetheretherketone / amino graphene composite sizing agent of aramid fibers and application of the sulfonated polyetheretherketone / amino graphene composite sizing agent. The sizing agent is composed of sulfonated polyetheretherketone, amino graphene, a reinforcing agent and a solvent, sulfonated polyetheretherketone and amino graphene are prepared through a specific process, and the sulfonated polyetheretherketone and the amino graphene are combined with the reinforcing agent to form a stable covalent bond and a cross-linked structure. The surface wettability and mechanical property of the aramid fiber are remarkably improved, the interface bonding force of the aramid fiber and thermoplastic resin is improved, the mechanical strength and toughness of the aramid fiber composite material are improved, and the method is suitable for the field of high-performance composite materials and has important industrial value.

The invention belongs to the technical field of fiber impregnating compounds, and relates to an Al-MOF / polysiloxane composite impregnating compound special for basalt fiber and a preparation method thereof.The preparation method comprises the steps that an ethanol water solution serves as a solvent, Al-MOF nanoparticles are added, ultrasonic dispersion is conducted, and Al-MOF suspension liquid is prepared; adding a water-based polysiloxane solution into the Al-MOF suspension, and carrying out ultrasonic dispersion, so as to obtain the special Al-MOF / polysiloxane composite impregnating compound for the basalt fibers; the preparation method is scientific in principle, simple to operate, efficient, low in cost, few in components and simple in sizing process. After the basalt fiber is subjected to sizing treatment through the impregnating compound, a topological structure similar to basalt components can be constructed on the surface of the basalt fiber, the fiber is endowed with excellent thermal mechanical performance and surface amphiphobic performance, and the high-temperature-resistant, anti-pollution, waterproof and self-cleaning functions of the textile type basalt fiber in the fields of special-purpose clothes and hot filtering devices can be achieved. The method has great application potential and is suitable for large-scale popularization.

The embodiment of the invention provides a carbon fiber sizing agent, a modified carbon fiber, a composite material and a method, and relates to the technical field of carbon fiber surface treatment. The carbon fiber sizing agent comprises the following components: polyetherimide, amino-functionalized ZIF-8 and an organic solvent, wherein the mass of the amino-functionalized ZIF-8 is 1%-10% of the mass of the polyetherimide. According to the carbon fiber sizing agent, the modified carbon fiber, the composite material and the method provided by the embodiment of the invention, the interface bonding strength and the heat resistance of the carbon fiber and the resin matrix in the carbon fiber composite material can be improved.

The invention discloses a carbon fiber sizing agent as well as a preparation method and a sizing method thereof in the technical field of fiber materials, and the carbon fiber sizing agent comprises the following components in parts by weight: 30-50 parts of epoxy resin, 15-25 parts of an epoxy emulsifier, 6-9 parts of modified graphene and 80-120 parts of distilled water; the epoxy emulsifier is epoxy resin grafted para aminobenzoic acid and octadecylamine; the modified graphene is graphene grafted lysine. A hydrophilic chain segment p-aminobenzoic acid and a lipophilic chain segment octadecylamine are introduced to modify epoxy resin, an epoxy emulsifier is prepared, the emulsion type carbon fiber sizing agent is prepared through a phase inversion emulsification method, the stability of the sizing agent is improved, modified graphene is added to stabilize sizing agent emulsion, and the interface performance of carbon fibers is improved.

Provided is a nonaqueous binder for electrodes or separators, which is used in a lithium ion battery that has excellent cycle life characteristics at high temperatures. A nonaqueous binder for electrodes or separators of lithium ion batteries, which is obtained by complexing cellulose nanofibers and a thermoplastic fluororesin, and which is characterized in that the cellulose nanofibers have a fiber size (diameter) of from 0.002 μm to 1 μm (inclusive), a fiber length of from 0.5 μm to 10 mm (inclusive), and an aspect ratio ((fiber length of cellulose nanofibers) / (fiber diameter of cellulose nanofibers)) of from 2 to 100,000 (inclusive).

The disclosure describes a kind of anti-resonant hollow fiber size parameter measurement system and measurement method, the measurement system includes sequentially connected incident light source, light source processing module, fiber to be measured, data acquisition module and data processing module, data processing module is filtered to the spectrum formed by the coherent superposition of multiple scattering light beams, Fourier transform group delay spectrum is obtained, and peak retrieval is carried out to the group delay spectrum, and the group delay difference caused by the coherent superposition of each light beam in group delay spectrum is obtained, and the size parameters of anti-resonant hollow fiber are obtained based on the multi-beam interference geometric optics model and the group delay difference between each light beam. Thus, the simultaneous on-line measurement of multiple parameters of anti-resonant hollow fiber can be realized, and the drawing efficiency and output efficiency of anti-resonant hollow fiber can be further improved, and the fiber manufacturing cost is reduced.

The present application relates to a kind of synergistic repair sizing polyimide fiber sizing agent and its preparation method and application, the raw material of the polyimide fiber sizing agent is composed of solute A and solvent B, the solute A is multifunctional epoxy resin, the solvent B is low-boiling solvent, the low-boiling solvent is acetone or ethanol, the proportion of the solute A and the solvent B is as follows: A 0.1%~10%;B 90%~99.9% by weight percentage.The polyimide fiber sizing agent of the present application can be used to repair the internal structure defect of high-performance polyimide fiber and improve the chemical activity of fiber surface, can improve the roughness of fiber surface in a short time, ensure the surface chemical reactivity, repair the internal defect of fiber by the formation of internal crosslinking point, the tensile strength and compression strength of fiber are improved, and waste liquid is easy to recover, low in cost.

The application discloses a self-emulsifying degradable carbon fiber sizing agent and a preparation method and application thereof. Raw materials of the self-emulsifying degradable carbon fiber sizing agent include the following components in parts by weight: diglycidyl ester epoxy resin monomer 20-30 parts, fatty amine 1-3 parts, amine curing agent 5-10 parts, sodium p-aminobenzenesulfonate 1-3 parts, water 15-20 parts and acetone 20-30 parts. The self-emulsifying degradable carbon fiber sizing agent can significantly improve wear resistance of the carbon fiber and interface performance of a composite material, and can be degraded under mild conditions, and the carbon fiber recovered has good performance.

The invention relates to the field of carbon fiber composite materials, and discloses a sizing agent and a preparation method thereof, sizing carbon fibers and a carbon fiber composite material. The sizing agent comprises a flame-retardant epoxy resin emulsion, a polyvinyl alcohol aqueous solution, modified nano silicon dioxide sol and a curing agent. The sizing agent can significantly improve the flame retardant property of a carbon fiber composite material, improve the bonding property of flame-retardant epoxy resin and a carbon fiber sizing interface, and overcome the defect that the bonding property of flame-retardant epoxy resin and carbon fibers is poor due to the addition of a flame retardant.

The present application provides a kind of sizing agent for aqueous carbon fiber and its application, belong to fiber sizing agent technical field, according to the total mass is 100 parts, sizing agent includes: component 1: sulfonated polyarylether A 0.1-15 parts, component 2: sulfonated polyarylether B 0.1-10 parts, deionized water 75~99.8 parts, wherein the glass transition temperature of component 2 is higher than that of component 1.Sulfonated polyarylether A, sulfonated polyarylether B can be self-emulsified in water to form hydrophilic microparticles, which can be adsorbed on the surface of carbon fiber, and the two microparticles are stacked on the surface of carbon fiber to form a sizing agent layer after sizing.The sizing agent can also contain a small amount of non-ionic emulsifier;Or, mixed with general anionic, non-ionic sizing agent, improve wear resistance, temperature resistance and other properties.The sizing agent provided by the present application has the characteristics of water-soluble, heat-resistant, wear-resistant, good biocompatibility and the like.Using the sizing agent can form a mechanical interlocking structure in the fiber / matrix resin interface layer, thereby effectively improving the performance of fiber reinforced polyarylether composite material.

The application discloses a self-emulsifying high-wear-resistance vinyl carbon fiber sizing agent composition and a preparation method and application thereof. The application improves the wear resistance of the fiber by reducing the content of rigid groups such as benzene rings and double bonds, introduces hydrophilic groups such as amide bonds and ether bonds, adopts a self-emulsifying technical route, eliminates the weak boundary layer of the interface, and improves the interface performance of the fiber and the vinyl resin, so that the prepared self-emulsifying high-wear-resistance vinyl carbon fiber sizing agent composition has the advantages of self-emulsification, high wear resistance, seawater resistance, excellent carbon fiber composite material interface performance and outstanding smoke resistance, and has a wide application prospect in the preparation of carbon fiber composite materials suitable for marine environments.

Fibrous materials and methods of manufacturing fibrous materials are disclosed. In particular, this application discloses methods of making and processing serially deposited fibrous structures, such as serially deposited fibrous mats. Serially deposited fibrous mats may be used in implantable medical devices with various characteristics and features. Serially deposited fibrous mats of various mat thickness, fiber size, porosity, pore size, and fiber density are disclosed. Additionally, serially deposited fibrous mats having various amounts of fiber structures (such as intersections, branches, and bundles) per unit area are also disclosed.

The present application provides a sizing agent and a preparation method thereof, carbon fiber and composite material, belonging to the technical field of carbon fiber sizing agents. The sizing agent is in the form of an emulsion, and the sizing agent includes a main sizing agent and water; the main sizing agent includes the following components in parts by weight: 20 to 30 parts of polyphenol oxide resin, 10 to 20 parts of epoxy resin and 10 to 20 parts of emulsifier; wherein SiO2 is covalently linked to the epoxy resin. The present application covalently links SiO2 to the epoxy resin of the sizing agent, which can not only significantly increase the surface roughness of the carbon fiber after the sizing agent treatment, but also increase the number of active functional groups on the surface of the carbon fiber after the sizing agent treatment, and can also reduce the fiber fuzzing amount of the carbon fiber after the sizing agent treatment, thereby improving the interface bonding strength between the carbon fiber after the sizing agent treatment and the matrix resin, and can improve the mechanical properties of the composite material formed by the carbon fiber and the matrix resin.

The utility model belongs to the technical field of tablecloth production, particularly relates to a short fiber slasher for producing tablecloth, and aims to solve the problems that the slasher effect is not ideal due to the fact that the existing slasher is tedious to operate and size is easy to precipitate, the following scheme is provided: the slasher comprises a table body, and supporting legs are fixed at four corners of the bottom end of the table body; a feeding roller and a receiving roller are rotationally arranged on the upper side of the table body, a containing box is fixed in the table body, a slurry storage groove used for containing slurry is formed in the containing box, and a guide roller used for guiding tablecloth is rotationally arranged in the slurry storage groove; an inverted-U-shaped frame is fixed to the top end of the table body, the movable adjusting roller and the fixed adjusting roller are both arranged in the inverted-U-shaped frame and used for extruding tablecloth, and a set of adjusting assembly is arranged in the inverted-U-shaped frame and used for adjusting the distance between the movable adjusting roller and the fixed adjusting roller. The reciprocating assembly is arranged to drive the filter box to reciprocate, so that accelerated filtration of the slurry is realized, the filtration efficiency is improved, and the purity of the slurry is ensured.

The application relates to the papermaking technical field, in particular to a high-barrier food packaging paper and a production process thereof. The application aims to solve the problem of how to reduce the cost while improving the barrier performance of the packaging paper. To this end, the production process of the high-barrier food packaging paper can reduce the fiber size, improve the fiber dispersion uniformity, strengthen the internal structure of the packaging paper and improve the barrier performance of the packaging paper by homogenizing the primary fiber slurry. In addition, the secondary fiber slurry, sodium alginate sol, alkyd resin and talcum powder are used as raw materials, the production cost is reduced, the barrier performance of the food packaging paper is improved, the oil resistance of the packaging paper is improved, and the tensile strength and breaking strength of the packaging paper are also improved.

The utility model belongs to the technical field of carbon fiber sizing, and particularly relates to a sizing tank for reducing adhered sediments in a carbon fiber sizing process, which comprises a sizing tank, upper roll shafts are rotatably connected to two ends of the upper part in the sizing tank, a lower roll shaft is rotatably connected to the lower end of the middle position in the sizing tank, and a settling tank is fixedly connected to the lower side of the sizing tank. A downward protruding groove is formed in the position, away from the lower rolling shaft, of the lower portion of the settling tank on the horizontal plane, the vertical section of the settling tank is in a W shape or an inverted M shape, shaft rods are arranged in the sediment, a plurality of bent rods are fixedly connected to the outer sides of the shaft rods, and three shaft rods are assembled on the same protruding groove. The three shaft rods are rotatably connected to the interior of the protruding groove, the three shaft rods are connected through a second transmission set, and the sizing groove further comprises a driving piece connected with the shaft rods. According to the utility model, the distance between sediments and a carbon fiber group at the lower part of the lower rolling shaft can be increased, and the phenomenon of secondary adhesion of the sediments in the sizing process of the carbon fiber group is reduced.

The utility model belongs to the technical field of carbon fiber processing, and discloses a carbon fiber sizing device. The stirring structure comprises stirring rods rotationally connected to the inner wall of the box body and distributed in a linear array and three belt pulleys A located on the front face of the box body and fixedly connected with one ends of the three stirring rods, and a belt pulley B is installed on the front face of the belt pulley A located in the middle. Through the design of a stirring structure, a roller structure and a drying structure, a servo motor is started to drive pressing rollers to start to rotate, synchronous rotation of the two pressing rollers is achieved under close fit of a belt pulley D and a belt pulley C, finally power is transmitted to a belt A and three belt pulleys A, a stirring rod rotates in a box body, and drying is achieved. The slurry in the box body is stirred, a high-quality soaking environment is provided for infiltration of the carbon fibers, after the slurry is uniformly stirred, the carbon fibers are pressed into the box body by the pressing rod to be fully soaked, and in the advancing process of the carbon fibers, the carbon fibers are in contact with the scraping plate, so that the redundant slurry is scraped off.

The invention relates to a polyimide fiber sizing agent for synergistically repairing sizing and a preparation method and application thereof.The polyimide fiber sizing agent is composed of a solute A and a solvent B. The solute A is polyfunctional epoxy resin, the solvent B is a low-boiling-point solvent, and the low-boiling-point solvent is acetone or ethyl alcohol. The proportion of the solute A to the solvent B is as follows: A is 0.1%-10%; and 90%-99.9% of B. The polyimide fiber sizing agent can be used for synergistically repairing internal structure defects of high-performance polyimide fibers and improving the chemical activity of the surfaces of the fibers, the surface roughness of the fibers can be improved within a short time, the chemical reactivity of the surfaces is guaranteed, meanwhile, the internal defects of the fibers are repaired through formation of internal crosslinking points, and the surface chemical activity of the fibers is improved. The tensile strength and the compression strength of the fiber are improved, waste liquid is easy to recover, and the cost is low.

The application discloses a double-layer micro-nano fiber fabric with a daytime cooling function and a preparation method thereof. Micro-nano fiber yarn is prepared through micro-nano fiber spinning technology, and then the micro-nano fiber yarn is knitted into a double-layer micro-nano fiber fabric. In the double-layer micro-nano fiber fabric, the warp yarns of the lower fabric correspond to the gaps between two adjacent warp yarns in the upper fabric, and the weft yarns of the lower fabric correspond to the gaps between two adjacent weft yarns in the upper fabric. The upper fabric has hydrophilicity, high mid-infrared emission and high thermal conductivity, and the lower fabric has hydrophobicity, high mid-infrared emission and high thermal conductivity. The lower fabric contains hydrophilic contact points. The special double-layer fabric structure design, micro-nano fiber size structure distribution and material-specific radiation cooling performance make the fabric integrate multiple cooling paths such as daytime radiation cooling, evaporation heat absorption and heat conduction, which not only helps to improve the cooling performance, but also is soft and wearable, and can be applied to human body cooling under outdoor strong sunlight irradiation conditions.

The invention belongs to the technical field of railway track supporting, and particularly relates to a preparation process of a plant fiber cement railway sleeper, which comprises the following specific steps: selecting plant fibers, screening out fibers with the length of 0.3-3 cm and the diameter of 0.05-3 mm according to requirements, removing impurities, grading by a vibrating screen, and ensuring that the sizes of the fibers are uniform; the plant fiber cement sleeper with the density of 1.2-1.6 g / cm < 3 > can be prepared by mixing the plant fibers with the cement and performing semi-dry compression molding, and the novel composite material sleeper with long service life and excellent elasticity can be prepared by combining the characteristics of the plant fibers and the cement material; the plant fiber reinforced cement sleeper is lighter than a traditional steel bar material, and the material is easy to obtain; a semi-dry method is used for high-pressure compression molding, and compared with a pouring process, a final product is higher in strength, a bleeding channel is more uniform, and the surface is free of bubbles; a high-filling plant fiber scheme is adopted, so that carbon sequestration can be carried out.