77 results about "Ramie" patented technology

The present application relates to a strain of Inhernia Bacillus and its application in ramie degumming, the strain is preserved in Guangdong Microbial Culture Collection Center on September 15, 2025, and the preservation number is GDMCC NO: 66966. When the strain is applied to ramie degumming, the degumming reaction can be carried out at a higher temperature, the degumming efficiency of ramie is effectively improved, the fiber is not damaged, the quality of the fiber is improved, and the strain has high application value in ramie degumming.

The invention relates to the technical field of genetic engineering and molecular breeding, in particular to a ramie MYB transcription factor and application thereof. The MYB transcription factor is BnMYB6, the amino acid sequence of the MYB transcription factor is as shown in SEQ ID NO.1, and the gene sequence for coding the amino acid of the MYB transcription factor is as shown in SEQ ID NO.2. The transcription factor protein BnMYB6 can specifically and negatively regulate the biosynthesis of plant lignin, and has application value in the aspects of inhibiting the synthesis of plant lignin, promoting the growth and development of a root system and maintaining related traits such as the activity of the root system under drought stress.

The invention discloses a renewable ramie fiber / wool blended fabric and an environment-friendly dyeing and finishing process thereof, and belongs to the technical field of textile fabrics. The renewable ramie fiber / wool blended fabric is prepared from, by mass, 30%-50% of renewable ramie fibers, 25%-40% of wool fibers, 15%-30% of regenerated cellulose fibers and 0.5%-3% of functional auxiliaries, the ramie fibers are derived from recycled products, and the auxiliaries contain antibacterial agents and anti-wrinkle agents. During preparation, fibers are subjected to ultrasonic pretreatment, spinning and weaving to obtain grey cloth; the dyeing and finishing adopts biological enzyme desizing, hydrogen peroxide bleaching, natural vegetable dye dyeing and formaldehyde-free color fixation. The antibacterial rate of the fabric is larger than or equal to 90%, the anti-wrinkle recovery angle is larger than or equal to 280 degrees, the COD of dyeing and finishing wastewater is smaller than or equal to 400 mg / L, formaldehyde residues are avoided, energy consumption is low, excellent performance and environmental friendliness are both considered, and the method is suitable for the field of spinning.

The utility model discloses a soft anti-sticking knitted fabric, which relates to the technical field of textiles, and is characterized in that a plurality of moisture guiding pieces are arranged between an inner layer and an outer layer, the hygroscopicity of the moisture guiding pieces is larger than that of the inner layer and is the same as that of the outer layer, and a plurality of breathable spaces are enclosed among the moisture guiding pieces, the inner layer and the outer layer. The end face, away from the inner layer, of the moisture guiding piece is provided with a plurality of ventilation grooves communicating with the ventilation spaces, and the outer layer is provided with a plurality of ventilation holes communicating with the ventilation grooves in a penetrating mode. According to the fabric, water in the fabric can be dispersed in time through the outer layer made of the ramie fibers due to the good moisture dissipation performance of the ramie fibers, the inner layer made of the cotton fibers has the soft touch feeling, the air circulation effect in the fabric is improved through the ventilation holes, the ventilation spaces and the ventilation grooves which are communicated with one another, and the moisture dissipation performance of the fabric is further enhanced.

The utility model discloses a microbial degumming device for ramie fiber manufacturing, including processing jar, and the processing jar opening end is equipped with the apron through the connecting component, is equipped with the feeding pipe on the apron, and the sidewall of processing jar is connected with the apron through the lifting assembly, and the middle part of apron is equipped with the rotating component, and the both sides symmetry of apron are equipped with the adjusting mechanism matched with rotating component, and still be equipped with the clamping assembly in rotating component. The utility model connects through the adjusting mechanism between upper clamping plate and lower guide plate, and after adjusting motor adjusts the position through the second electric push rod, can drive the rotation of screw rod, drives the movement of lower guide plate relative upper clamping plate, and in the moving process, through the clamping assembly in lower guide plate, the ramie fiber is guided carding, avoids the fiber reunion and winding, and through the clamping of upper and lower clamping plate simultaneously, reduces the risk of fiber winding when rotating and mixing, provides the convenience for subsequent carding, spinning and other processing procedures.

The application discloses a ramie bio-enzyme steaming pile degumming method and belongs to the technical field of ramie fiber degumming process methods. The method comprises the following steps: immersing pressed ramie raw fibers into a broken wall pretreatment liquid, taking out the ramie raw fibers for steaming pile treatment, adding the ramie raw fibers into a pectinase degumming liquid after knocking and washing, taking out the ramie raw fibers for steaming pile treatment, then adding the ramie raw fibers into a chlorine-free bleaching liquid for bleaching, washing, oiling and drying. The method solves the problems of low utilization rate and high degumming cost caused by a large bath during treatment through steaming pile treatment. Compared with a traditional chemical degumming process, the method has a shorter time consumption, lower nitrogen and phosphorus content and COD value in waste liquid, and the obtained fine dry fibers are finer, softer and stronger, the surface fluff of spun ramie cloth is less, and the itching feeling after wearing is reduced.

The application discloses a ramie fiber diaphragm based on fiber crystalline domain entropy regulation and a preparation method and application thereof, and belongs to the technical field of preparation of cellulose diaphragms for capacitors. The preparation method comprises the following steps: pretreating ramie raw materials by soaking, cooking and cutting to obtain ramie sections, then performing low-temperature beating to maintain high crystallinity of the fibers and realize refinement, forming a suspension slurry, then performing ultrasonic dispersion, screening and dissociation dispersion to obtain uniform fine slurry, and finally performing wet laying molding and freeze drying to obtain the ramie fiber diaphragm which has a three-dimensional interconnected porous structure and high tough mechanical properties. The application fully utilizes the alkaloid characteristics of the ramie fiber to realize alkali-free cooking, and the process is environmentally friendly. Through the synergistic effect of low-temperature beating and freeze drying, the fiber intrinsic toughness is maintained while the multi-stage ion transmission channel is constructed. The obtained diaphragm has excellent air permeability, porosity and mechanical strength.

The invention relates to the technical field of paper ink, and discloses polyester-based decorative paper ink and a preparation method thereof.The preparation method comprises the following steps that S1, ramie fibers are pretreated; s3, in a nitrogen atmosphere, adding itaconic acid, phthalic anhydride and 1, 6-hexanediol into a reactor, stirring and mixing, continuously adding p-toluenesulfonic acid and hydroquinone, ending the reaction until no water is generated, then adding dibutyltin dilaurate, and carrying out reduced pressure reaction to obtain unsaturated polyester; s4, adding unsaturated polyester, the modified ramie fiber and hydrogen-containing silicone oil into a reactor, stirring and mixing, adding a platinum catalyst, and reacting to obtain a polyester-based intermediate; and S5, adding water-based acrylic resin, the polyester-based intermediate, a flatting agent and a dispersing agent into the reactor, and stirring to obtain the polyester-based decorative paper ink. The polyester-based decorative paper ink provided by the invention has good adhesive force, water resistance and wear resistance.

A kind of microscopic detection method for detecting quality of moxa, comprising the following steps: S1, photographic calculation;S2, sieving;S4, dyeing;S5, making slice ’ ;S6, obtaining stem retention: dividing average area S ’ By average width W0 in step S1, the average length of stem of sieved moxa is obtained, and slice is made three times for each batch of sample, measurement and calculation are carried out, and the final average length L ’ Is obtained by three results, stem retention Y=L ’ / L 0 ×100%, stem retention Y is maximum 60%, the smaller stem retention Y is, the worse quality is indicated.The method is simple, convenient to operate, low in detection cost, small in workload, high in efficiency, good in detection effect, effectively used for microscopic detection method for detecting quality of moxa, the purpose of detecting moxa processing quality is achieved, and there are significant social and economic benefits.

The application relates to the technical field of textiles, and particularly discloses an anti-mosquito and antibacterial fabric and a hunting jacket. The anti-mosquito and antibacterial fabric comprises a base cloth layer, an anti-mosquito and antibacterial layer arranged on one side of the base cloth layer, and an inner layer arranged on the side, away from the base cloth layer, of the anti-mosquito and antibacterial layer. The base cloth layer comprises 240-380 parts of base fibers and 30-50 parts of functional components by weight; the anti-mosquito and antibacterial layer comprises 150-250 parts of antibacterial fibers and 100-150 parts of anti-mosquito fibers; and the inner layer comprises 100-200 parts of warm-keeping carbon fibers, 50-100 parts of ramie fibers and 20-50 parts of ceramic powder fibers. The anti-mosquito fabric has excellent and long-lasting anti-mosquito and antibacterial effects. In addition, the hunting jacket is made of the anti-mosquito and antibacterial fabric, has excellent anti-mosquito and antibacterial performance, and has long-lasting anti-mosquito and antibacterial effects.

The application provides a special plastic aluminum foil composite paper and a preparation method thereof. The composite paper comprises an aluminum foil layer, a special plastic layer and a paper layer. The aluminum foil layer is a base layer, the special plastic layer is made of polyimide, polytetrafluoroethylene, ethylene-tetrafluoroethylene copolymer, ethylene-vinyl alcohol copolymer and nano magnetic particle microcapsules, and is tightly attached to one side of the aluminum foil layer; the paper layer is made of raw paper wood pulp, polyester fiber pulp, ramie fiber pulp, silk fiber pulp, rosin glue, chitin, chitosan, allicin and bee glue, and is combined with the special plastic layer on the other side of the aluminum foil layer. The nano magnetic particle microcapsules are made of magnetic nano particles, capsule core materials, monomers and emulsifiers. The paper layer is formed by mixing two kinds of pulp uniformly and electrophoretic deposition. During preparation, the surface of the aluminum foil layer is pretreated, then the special plastic is prepared, the special plastic layer is coated, the paper layer is coated, and the finished product is obtained through hot pressing, and can be applied to the field of food packaging.

The invention belongs to the technical field of plant propagation, and particularly relates to a propagation method for improving the cutting rooting rate of pueraria lobata, which comprises the following steps: pruning mother branches of pueraria lobata to obtain cutting slips, and disinfecting the cutting slips to obtain disinfected cutting slips; the disinfected cutting slips are treated with a growth regulator, and the cutting slips treated with the growth regulator are obtained; and inserting the cutting slips treated by the growth regulator into a seedbed matrix, and carrying out cuttage culture to obtain pueraria lobata breeding seedlings. According to the method, stems of leguminous plant pueraria lobata are used as raw materials, a cuttage vegetative propagation mode is adopted, and the rooting rate of pueraria lobata cuttage propagation is increased by selecting a plurality of key parameters such as proper types and concentrations of growth regulators and controlling treatment time. Results show that the rooting rate of pueraria lobata cutting propagation can be remarkably increased by using the mixed growth regulator for treatment. The method is simple, convenient, feasible and environment-friendly, can effectively promote the large-scale breeding of the pueraria lobata excellent germplasm material, and has a wide application prospect.

The application discloses a kind of footpath antiskid asphalt blanket and preparation method thereof in the technical field of road asphalt, including the following weight parts of components: a kind of footpath antiskid asphalt blanket, the footpath antiskid asphalt blanket includes base cloth, antiskid asphalt material, single silicon mucosa;The surface of the single silicon mucosa is coated with a layer of silicon oil to isolate the adhesion of PET film surface and antiskid asphalt material.The application proposes to prepare antiskid asphalt material, by preparing modified ramie fiber and epoxy resin modified curing agent, both are compounded, and supplemented by adding antiskid particles, both improve the mechanical properties of asphalt pavement, and achieve better skid resistance, and the addition of modified ramie fiber is green and environment-friendly.

The invention relates to a friction-wear-resistant environment-friendly HDPE (high-density polyethylene) composite material as well as a preparation method and application thereof. The friction-wear-resistant environment-friendly HDPE composite material comprises 100 parts of high-density polyethylene, 20-30 parts of organic modified glass fibers, 25-35 parts of ramie fibers, 2-5 parts of nano clay, 6-8 parts of color masterbatch, 1-3 parts of a lubricant and 0.5-1.5 parts of a compound antioxidant, through organic modification of the glass fibers and combination of the ramie fibers, the glass fibers and ultrafine micropore structures of the ramie fibers can form an intertwined net structure, the composite structure reserves the advantages of a single reinforcing material, meanwhile, the nano clay is introduced as an interface compatilizer of an HDPE matrix, the design capacity of the composite material is improved, and the composite material has the advantages of being high in mechanical strength, high in mechanical strength and the like. The modified HDPE composite material has the advantages that rigidity enhancement and friction and wear resistance improvement which cannot be achieved by a single reinforcing material are achieved, the long-term stability problem of the HDPE material in a complex medium conveying environment is solved, the modified HDPE composite material has unique and comprehensive performance, and the application range of the HDPE material is widened.

The application provides a composition for preventing and treating bacterial leaf streak of rice and a preparation method thereof, and relates to the technical field of agriculture.The composition is composed of the following components in a mass ratio: ramie extract: camphor tree leaf extract = 5-8:1-2;wherein the ramie extract is obtained by adjusting the alcohol content of a ramie water extract solution to 25-35%, discarding the precipitate, then adjusting the alcohol content of the ramie water extract solution to 50-55% again, and collecting and drying the precipitate; and the camphor tree leaf extract is obtained by fermenting camphor tree leaves with papain.The composition effectively improves the current situation that the prevention and treatment effect of existing chemical agents on bacterial leaf streak of rice is not ideal, and has the remarkable characteristics of being economical, environmentally friendly, and excellent in prevention and treatment effect, and has important positive significance for promoting the prevention and treatment of bacterial leaf streak of rice.

The application relates to the construction field, in particular to anti-permeation concrete and a filter tank V-shaped groove construction method using the concrete. The anti-permeation concrete comprises the following raw materials in parts by mass: 140-150 parts of water, 360-370 parts of cement, 1200-1300 parts of coarse aggregate, 600-650 parts of fine aggregate, 30-70 parts of gneiss stone powder, 0.3-1.5 parts of sodium alginate, 2-6 parts of ramie fiber and 1-5 parts of water reducing agent. The filter tank V-shaped groove construction method using the concrete comprises the following steps: pouring concrete vertical wall; reinforcing bar binding; supporting and erecting and installing the inclined plate formwork, and horizontally arranging a reserved pipe at the bottom of the inclined plate formwork; preparing the anti-permeation concrete, and then pouring the anti-permeation concrete along the inclined plate formwork; removing the inclined plate formwork, taking out the reserved pipe and burying a sweeping pipe at the reserved position. The application has the advantage of improving the anti-permeation capacity of the inclined plate.

The application discloses high-toughness and high-bonding C80-strength fiber concrete and a preparation method thereof. A concrete mixing ratio comprises cement, river sand, gravel, fly ash, straw ash, silica fume, nano silicon, water, water reducing agent, activator, defoaming agent, shrinkage reducing agent, ramie fiber, basalt fiber and CaCO3 whisker, and the concrete mixing ratio is 360-370:725:1007:100-110:55-65:17-19:2.5-4:150-155:8.5-9.5:12.5-13.5:1.8-2.1:7.8-8.2:4.9-5.2:8.1-8.3:17.4-17.6. The materials are uniformly mixed by a layered mixing method, and then discharged, molded and maintained. The compressive strength, flexural strength, splitting tensile strength, toughness and durability of the concrete can be effectively improved, and the bonding strength and synergistic deformation capacity between the concrete and the profile steel can be enhanced.

This invention discloses a continuous zirconia fiber with an ionogel coating and its preparation method, belonging to the field of new continuous inorganic ceramic fiber technology. The ionogel coating, formed by the rapid polymerization of ramie fibers modified with a coupling agent using a eutectic solvent under UV light, effectively protects the fibers while maintaining their thinness, uniform thickness, and flexibility. It imparts a certain degree of self-lubricating property to the fibers, thereby reducing frictional damage during the weaving process of continuous zirconia fibers. Simultaneously, this ionogel coating possesses excellent mechanical properties and self-healing capabilities, is not easily peeled off from the fibers, improves the wear resistance of zirconia fibers, and enhances the stability of products in three-dimensional weaves, demonstrating significant commercial value.

This invention relates to a method for identifying ramie fibers and their mixed fibers based on long-lifetime room-temperature phosphorescence. The method establishes luminescence characteristic information for a lyocell fiber control sample, a ramie fiber control sample treated with a 15% NaOH solution, and a mixed fiber control sample of the two. The method acquires the fiber sample to be tested and prepares it as a test sample. The photoluminescence emission spectrum of the test sample is acquired under 365 nm excitation conditions to obtain emission peak position information. After UV excitation stops, the long-lifetime room-temperature phosphorescence decay information of the test sample is acquired to obtain lifetime information. The emission peak position information and lifetime information are compared with the corresponding information of the control sample to identify whether the fiber sample to be tested is ramie fiber or a mixture of lyocell and ramie fibers. This invention utilizes the differences in photoluminescence and long-lifetime room-temperature phosphorescence caused by changes in the crystal structure of ramie fibers for identification, providing an auxiliary detection method based on luminescence characteristics for fiber composition identification.

The utility model relates to the technical field of ramie sorting, in particular to a ramie sorting manipulator based on flexible pneumatic driving, which comprises a primary telescopic cylinder and a clamping mechanism, the first-stage telescopic air cylinder is in driving connection with a second-stage telescopic air cylinder, the second-stage telescopic air cylinder is in driving connection with a connecting arm, a sleeve is arranged on the second-stage telescopic air cylinder, and a diffuse reflection sensor is arranged in the sleeve; the clamping mechanism comprises a fixing frame arranged on the connecting arm, two mounting blocks symmetrically distributed on the fixing frame, a rotating arm rotationally connected with the mounting blocks, a chuck arranged on the rotating arm, a three-stage telescopic air cylinder arranged in the connecting arm and a lifting plate in driving connection with the three-stage telescopic air cylinder. The two ends of the connecting rods are rotationally connected with the rotating arm and the lifting plate respectively. The clamping force can be adjusted according to the size of ramie stalks, damage to ramie fibers is reduced, and the practicability of the device is improved.

The invention discloses a Shangri-La curtain fabric made of natural materials and a preparation method of the Shangri-La curtain fabric, and particularly relates to the field of Shangri-La curtains. The natural material fabric is obtained by weaving one of the following five fiber raw materials in percentage by weight: a fiber raw material I: 70% of paper fiber and 30% of Bengal hemp fiber; a fiber raw material II: 50% of linen fiber and 50% of Manila hemp fiber; the third fiber raw material comprises 80% of linen fiber and 20% of ramie fiber and polyester cotton blended fiber; a fourth fiber raw material: 70% of paper fiber and 30% of ramie fiber; and a fiber raw material V: 100% of rose-bengal jute fibers. Sacrificial filaments with a shape memory effect or a strain hardening effect are introduced into a fiber system of a natural material blade strip, the sacrificial filaments, ground yarns and surface yarns form an integrated laminated structure, crack propagation and interface stripping are actively inhibited in the service process, and therefore the anti-fatigue capacity of the structure and the interface is improved.

The invention relates to the technical field of artificial composite fibers, and particularly discloses a composite fiber for a self-heating fabric and a preparation method of the composite fiber. The composite fiber is of a three-layer concentric circle composite structure and comprises an outer wrapping layer, a functional layer and an elastic core layer, the outer wrapping layer is formed by curing an outer wrapping layer spinning solution, and the outer wrapping layer spinning solution is prepared from, by mass, 50-70 parts of waterborne polyurethane, 15-20 parts of viscose, 15-30 parts of polyethylene glycol modified cotton pulp and water; the functional layer is formed by curing a functional layer spinning solution, and the functional layer spinning solution comprises 70-80 parts of preformed crosslinking slurry, 20-30 parts of silanized ramie fiber and water; the elastic core layer is formed by curing an elastic core layer spinning solution, and the elastic core layer spinning solution comprises 90-110 parts of a thermoplastic polyurethane elastomer and N, N-dimethylformamide. The composite fiber prepared by the invention has excellent self-heating performance, washability and mechanical properties.

The invention relates to a dustproof and bacteriostatic ramie curtain, which comprises a ramie fabric, the ramie fabric is prepared by twisting and weaving modified ramie fibers, the modified ramie fibers comprise a ramie fiber matrix, the surface of the ramie fiber matrix is loaded with nanoparticles through a silane coupling agent, the yarn diameter of the ramie fiber matrix is 20-45 [mu] m, and the particle size of the nanoparticles is 20-100 nm. A micron-order coarse structure of the ramie fiber is used as a framework, a micro-nano secondary structure is formed by loading nano-particles, air can be effectively captured to form an air cushion, the actual contact area between dust and the fiber surface is greatly reduced, and the dustproof performance of the ramie curtain is improved.

This invention relates to a combined combing and drawing method for ramie, short flax, and wool fibers, comprising the following steps: Step A: A wool combing machine combs the fibers into a web, and after passing through a take-up roller, the fiber web is bundled into a periodically uneven combed sliver through a collecting hopper funnel; Step B: Multiple periodically uneven combed slivers output from multiple wool combing machines are combined along a specific path, so that the coarse and fine segments on the multiple combed slivers are correspondingly combined, thereby improving the unevenness of the combined sliver; This invention uses computer simulation of fiber movement to determine the optimal position of the collecting hopper funnel, which can improve the unevenness of the combed sliver, and then, based on the periodicity of the unevenness of the combed sliver, the path difference at the head end of the combed sliver is adjusted by a guide roller, and the position of the guide roller is determined by simulation calculation, so that the coarse and fine segments of the periodically uneven combed sliver are correspondingly combined, which can significantly improve the unevenness of the combined sliver.

1. Name of the product in this design: Flower pot (ramie pot). 2. Purpose of this design: This design is intended for use in flower pots. 3. The key design elements of this product are the combination of shape, pattern, and color. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. The design for which protection is sought includes color. 6. The bottom view of this design product is a part that is difficult to see or cannot be seen when in use, so the bottom view is omitted.

This invention belongs to the field of high-performance fiber composite materials technology, specifically relating to a method for preparing low-dielectric ramie fiber reinforced polycarbonate composite materials. First, ramie fibers with acrylate-type double bonds modified on their surface are prepared. Then, poly(styrene-isoprene) modified ramie fibers are prepared by copolymerizing the acrylate-type ramie fibers with styrene and isoprene. Next, polyphenylene ether and the poly(styrene-isoprene) modified ramie fibers are mixed evenly and added to a hopper. A polyphenylene ether / ramie fiber alloy is prepared using a twin-screw extruder. Finally, the polyphenylene ether / ramie fiber alloy is mixed evenly with polycarbonate and added to a hopper. A low-dielectric ramie fiber reinforced polycarbonate composite material is prepared using a twin-screw extruder. The molecular weight of the modified ramie fiber polymer is adjustable, as is the ratio of styrene to isoprene. The polystyrene segments effectively improve the compatibility between ramie fibers and polyphenylene ether, while the polyisoprene segments effectively enhance the toughness of the polyphenylene ether / ramie fiber alloy.

The invention relates to the technical field of boards, and discloses a functional shaving board based on an antibacterial coating and a production method thereof.The shaving board is manufactured by coating the surface of a shaving board base body with a multi-component antibacterial coating and then conducting curing to form the antibacterial coating, and the multi-component antibacterial coating is prepared by taking water-based acrylic resin emulsion as a film forming substance and conducting coating with a water-based acrylic resin emulsion as a film forming substance. According to the invention, nano-diamond and ramie fibers are used as raw materials, a supported fiber additive and the like are used as additives and are mixed to form the coating, the supported fiber additive is prepared by connecting nano-diamond and ramie fibers by using an intermediate bridging agent, and the nano-diamond and the ramie fibers can slide mutually to generate a'ball 'effect, so that the wear resistance of the coating is improved, and the service life of the coating is prolonged. A fluorine chain segment in a middle bridging agent structure and a natural antibacterial agent cinnamic acid structure can endow the coating with excellent waterproof performance and endow the coating with excellent antibacterial activity.

The invention discloses a preparation method and application of an antibacterial biofilm liquid dressing with a hemostatic effect and capable of quickly targeting bacteria. The antibacterial biological membrane liquid dressing is prepared from the following components in percentage by weight: 5 to 10 percent of TMG-Ag < + >-EVs coordination liquid, 60 to 70 percent of ramie fiber pulp with the solid content of 0.2 to 0.5 percent, 10 to 20 percent of ramie water extract and 0.15 to 2 percent of povidone K30, wherein the TMG-Ag < + >-EVs coordination liquid contains betaine with the final concentration of 50 to 70 mM, silver ions with the final concentration of 20 to 30 [mu] g / ml and a staphylococcus epidermidis bacterial membrane with the final concentration of 500 to 1000 ng / ml. The betaine, the silver ions and the ramie are combined, bacterial biofilms can be efficiently destroyed, bacterial colonization is inhibited, the toxicity of the silver ions is reduced, and the composition is suitable for prevention and treatment of infection of various wound types such as skin and mucous membrane injuries.

The utility model discloses a ramie collecting device, which relates to the field of agricultural machinery and comprises a conveying belt, a ramie throwing wheel arranged at the tail end of the conveying belt and a collecting component arranged on one side of the ramie throwing wheel, and the ramie throwing wheel comprises a rotating shaft and a plurality of cross rods fixedly connected with the rotating shaft; the problems that when ramie fibers are collected in the prior art, the ramie fibers are mutually entangled due to stacking, further manual carding and screening are needed, and the harvesting efficiency is low are solved.

The application provides a repeatable self-repairing ramie fiber three-dimensional braided composite material and a preparation method thereof, and belongs to the technical field of self-repairing composite materials.The repeatable self-repairing ramie fiber three-dimensional braided composite material provided by the application is composed of a ramie fiber three-dimensional braided reinforcing body and an epoxy resin matrix filled in the ramie fiber three-dimensional braided reinforcing body, and epoxy resin microcapsules and amine curing agent microcapsules are dispersed in the epoxy resin matrix;when a crack occurs in the self-repairing ramie fiber three-dimensional braided composite material, the epoxy resin microcapsules and the amine curing agent microcapsules in the crack area are triggered to break and release liquid core materials, and a mixed curing reaction is carried out in the crack area, so that the self-repairing function is realized.