282results about "Fibre disintegration" patented technology

The invention relates to the field of aramid fabric recycling and reusing, in particular to a method for preparing flame-retardant shielding military tent fabric by recycling waste aramid fabric, which comprises the following steps: step 1, treating the waste aramid fabric with ionic liquid; 2, opening the aramid fabric and recycling aramid fibers; step 3, preparing regenerated flame-retardant prefabricated filaments; step 4, preparing tent base cloth; and step 5, preparing the heat-insulating shielding military tent fabric. Starting from multiple dimensions of aramid fiber recycling and reusing, micro-nano flame-retardant fiber preparation, fabric structure design, functional finishing and the like, more than 98% of flame-retardant viscose and aramid fiber in the aramid fiber blended fabric are recycled and utilized at high value, and the military tent fabric finally developed has the advantages that the flame-retardant viscose and the aramid fiber in the aramid fiber blended fabric are recycled and utilized at high value; the composite material integrates multiple functions of shielding and wave absorbing (the shielding rate is 72dB, the reflectivity is 34.32 dB, and the effective bandwidth is 13.8 GHz), flame retardance, heat insulation, water resistance, oil repellency, air permeability, moisture permeability, weather resistance, softness, durability and the like, and can be used for developing military tents.

Recycling wind turbine blades includes shredding, crushing, and milling the wind turbine blades to yield a multiplicity of particles including glass fiber and sieving the particles to yield a multiplicity of pellets including glass fibers. Manufacturing a composite coaxial fiber includes providing a first, second, and third polymer composition to yield a composite coaxial fiber precursor, processing the composite coaxial fiber precursor to yield a coagulated composite coaxial fiber precursor, drawing the coagulated composite coaxial fiber precursor, and heating the drawn coagulated composite coaxial fiber precursor to yield the composite coaxial fiber. The second polymer composition can include the recycled glass fibers. The resulting composite coaxial fiber includes an inner and outer layer including polyacrylonitrile and a middle layer between the inner layer and the outer layer. The middle layer includes polyacrylonitrile and a multiplicity of the recycled glass fibers.

The present invention related to a method of for the production of textile articles, I which the textile articles can be disassembled automatically or semi-automatically, in which, when sewing or stitching, a polymer melt yarn is used.

The invention provides a multifunctional aerogel fiber based on a waste firefighter uniform fabric and a preparation method thereof, and belongs to the technical field of textile material recovery. The method comprises the following steps: separating aramid fiber 1313, aramid fiber 1414 and conductive fiber from the waste firefighter uniform; dissolving step by step, and compounding with sulfonated MXene to prepare a spinning solution; forming a gel fiber precursor through wet spinning, and spirally winding and stranding; performing supercritical carbon dioxide treatment to construct a porous structure; and finally coating a functional skin layer. Spiral winding stranding is adopted to replace traditional parallel stranding, interface micro-fusion is generated in combination with supercritical carbon dioxide, and mechanical interlocking and hydrogen bond strengthening between fibers are synchronously achieved; the continuity of the conductive network is enhanced through sulfonated MXene modification, and the solvent system difference is avoided through beam splitting spinning. The prepared aerogel fiber has the characteristics of high strength, high conductivity and high temperature resistance, and solves the problems of poor interface bonding and single function of various fibers in the waste firefighter uniform.

The invention discloses a woolen sweater defective yarn recovery device, and relates to the technical field of woolen sweater processing.The woolen sweater defective yarn recovery device comprises a rack, a power unit is arranged at the bottom of the inner side of the rack, a pressing supporting mechanism is arranged at the top end of the power unit, and a winding recovery mechanism is arranged on the right side of the pressing supporting mechanism; the top and the right side of the winding and recycling mechanism are jointly provided with a yarn separating mechanism, and the right side of the power unit is provided with a woolen sweater placing mechanism. The pressing and supporting mechanism comprises an L-shaped plate, a limiting block, a one-way screw rod, a driven gear, a first moving plate, a rotating disc, a first square magnet and a pressing strip. When yarns are recycled, the ends of the yarns do not need to be manually wound and fixed, yarn rolls can be conveniently taken down subsequently, the operation difficulty is lowered, and meanwhile the defective yarn recycling efficiency can be effectively improved.

The utility model relates to a stitch-bonded non-woven fabric opening and impurity removing device which comprises three opening rollers, a material guiding plate and a feeding conveying belt, the three opening rollers are arranged at intervals, the material guiding plate is located below the three opening rollers, the water surface projection of the material guiding plate covers the horizontal plane projection of the output ends of the three opening rollers, and the feeding conveying belt is located at the output end of the material guiding plate. The stitch-bonded non-woven fabric is opened among the three opening rollers, in the opening process, single fibers and knots or fiber blocks can be formed, due to the fact that the knots or the fiber blocks have certain weight, under the influence of gravity, the knots or the fiber blocks can fall onto the material guiding plate below the opening rollers and then fall onto the feeding conveying belt from the material guiding plate, and therefore the single fibers and the knots or the fiber blocks are separated from the material guiding plate. The feeding conveying belt operates in real time, and knots or fiber blocks are discharged to the output end of the feeding conveying belt.

An embodiment method for manufacturing a high-tensile continuous fiber spun yarn using a recycled carbon fiber (rCF) includes recovering a rCF raw material from a waste composite material product, the waste composite material product including carbon fiber reinforced plastic (CFRP), fabricating a rCF nonwoven fabric using the recovered rCF raw material, producing slitter yarns cut into a long length and a predetermined narrow width by placing the rCF nonwoven fabric into slitter equipment in a slitting process, fabricating the high-tensile continuous fiber spun yarn with a predetermined thickness by twisting at least one of the slitter yarns through twisting equipment in a twisting process, and producing a spun yarn product by winding the high-tensile continuous fiber spun yarn on a bobbin using a spinning machine.

The invention discloses a method for preparing high-performance carbon microspheres based on classification of waste cotton textiles, which comprises the following steps: aiming at the waste cotton textiles which are accumulated in the open air and have obvious aging difference, firstly carrying out mechanical opening and impurity removal and photocatalytic decontamination pretreatment, and then sorting the aging degree through a carbonyl sensitive fluorescent probe and laser irradiation, so as to obtain the high-performance carbon microspheres. The heavily aged hydrophobic fibers and the lightly and moderately aged hydrophilic fibers are obtained. Treating the lightly and moderately aged fibers with an ionic liquid repairing system, and then preparing regenerated high-strength fibers by adopting magnetic control liquid crystal spinning; the heavily aged fiber is subjected to catalyst-free hydrothermal carbonization and gradient KOH activation pore expansion, and the graded pore carbon microspheres are prepared. According to the method, different aged fibers are accurately utilized, the performance of regenerated products is improved, pollution is reduced, and the resource utilization rate and additional value of the waste cotton textiles are increased.

The invention discloses a method for preparing wool regenerated yarns, which comprises the following steps of: opening a pretreated waste wool textile to obtain regenerated wool fibers, mixing the regenerated wool fibers with functional fibers, blowing and carding, drawing, preparing into rough yarns, and performing ring spinning, low-torque spinning or compact spinning. The regenerated wool fibers with the content exceeding 30% are used, the application of the ring spinning technology and the low-torque spinning technology in regenerated fiber spinning is achieved, and the produced wool regenerated yarn is low in linear density, high in count, excellent in strength and elongation performance, small in hairiness amount, good in evenness and high in additional value. According to the method, the sustainable utilization value of the waste wool textiles is improved, beneficial reference is provided for high-added-value reutilization of the waste wool textiles, and meanwhile the requirement of the market for high-performance textiles is met.

The present invention provides an automatic visual inspection device for cloth opening. The device comprises a camera unit, which captures materials to be tested having a predetermined weight and subjected to first process treatment so as to generate a first image; and a controller, which grades parameters of said captured materials and preset thresholds, and performs distribution on said materials on the basis of a grading result so as to convey said materials to a second process or convey said materials back to the first process. Further disclosed in the present invention are a system and method for garment-to-garment recycling.

A resin composition contains a resin that includes a monomer unit derived from (A) an acetoacetic acid ester compound including two or more acetoacetic acid ester groups in a molecule and a monomer unit derived from (B) an amine compound including two or more primary amino groups in a molecule, and that has a three-dimensional crosslinked structure in which an acetoacetic acid ester group of the (A) acetoacetic acid ester compound and a primary amino group of the (B) amine compound are condensation bonded.

A method for reclaiming fibers from a textile made of cellulose / synthetic fiber blend, comprising adding the textile to a solution comprising molten salt hydrate (MSH) and an acid catalyst to form a reaction mixture in which cellulose fibers are fibrillated and depolymerized, terminating the reaction to obtain fibrillated and depolymerized cellulose, recovering the cellulose from the re-action mixture, and recovering the synthetic fiber.

An inorganic fiber mat is produced by a method of producing an inorganic fiber mat. The method includes a preparing step of preparing a first inorganic fiber molding derived from a needle-punched mat and a second inorganic fiber molding derived from a papermaking mat, a defibrating step of defibrating the first inorganic fiber molding and the second inorganic fiber molding to obtain defibrated 10 inorganic fibers, and a papermaking step of forming the inorganic fiber mat by papermaking using a slurry containing the defibrated inorganic fibers.

The present invention provides a waste textile opener and a control method. The waste textile opener comprises a housing, a cotton feeding plate, a cotton feeding roller, a safety cover plate, an opening beater, an output apparatus, an adjustable grid, and a control system, and is characterized in that the output apparatus comprises a raw material channel, a fan, a carding wire plate, a negative pressure cover, an air return pipe, and a diffusion box, wherein the raw material channel communicates with an air outlet port of the diffusion box, the bottom of an outlet end of the raw material channel communicates with the top of the negative pressure cover, and the negative pressure cover successively communicates with the fan and the diffusion box by way of the air return pipe. The control system controls an opener set formed by at least two openers, each opener in the opener set being of a modular structure, and the outlet end of the raw material channel in a preceding opener in the opener set being configured for connecting to a next opener. The airflow type output apparatus replaces a dust cage and an output roller mechanism of an existing opener, and is integrated with the opener. It has a simple and compact structure, with a high degree of automation and high production efficiency, and the control method enables the output apparatus to stably and continuously operate.

The invention describes a process for recovering at least a portion of a textile material comprising polyester fibers, said process comprising:-a mixing step comprising contacting a textile material comprising polyester fibers and at least one other type of fiber with a suspension comprising a catalyst and methanol in a rotatable drum of a reactor unit, the rotatable drum is arranged to be adapted to rotate about an axis, the axis having an angle of less than 45 DEG with respect to the horizontal plane, preferably the rotatable drum is porous; -a depolymerization step comprising setting a temperature of at least 80 DEG C in the reactor unit and rotating the drum so as to roll the textile material inside it into contact with the catalyst and methanol to carry out a methanol decomposition depolymerization reaction of the polyester fraction of the textile material while maintaining the other types of fibers in the fibrous state; and-discharging a liquid solution comprising the depolymerized polyester from the reactor unit and discharging fibrous material comprising said other types of fibers from the rotatable drum.

Tredcycle, is an advanced micro recycling machine with a digital recycling insights scanner that uses an automated built-in laser to scan discarded or used textiles to investigate its technical charac

A fabric recovery apparatus and a fabric recovery control method. The fabric recovery apparatus comprises a first conveying mechanism (1), a first image acquisition mechanism (2), a warp stripping mechanism (3) and a weft separation mechanism (6). The first conveying mechanism (1) is configured to convey fabric (100) in a conveying direction X. The first image acquisition mechanism (2) is configured to acquire a first image of the fabric (100) on the first conveying mechanism (1). The warp stripping mechanism (3) is located downstream of the first conveying mechanism (1) in the conveying direction X, and is configured to receive the fabric (100) and strip the warp (110) in the fabric (100) on the basis of the first image. The weft separation mechanism (6) is also located downstream of the first conveying mechanism (1) in the conveying direction X, and is configured to separate the weft (120) in the fabric (100) after the warp stripping mechanism (3) strips the warp (110).

A method for manufacturing a cellulosic paper material (150) is described. The method comprises: i) providing (105) used textiles as starting material (101), wherein the used textiles comprise cellulose and non-cellulosic foreign matters (in particular synthetic plastics and / or metal oxides), ii) at least partially depleting (120) the non-cellulosic foreign matters from the cellulose, to provide a depleted starting material (110), and iii) forming (170) the cellulosic paper material (150) from the depleted starting material (110). Furthermore, a cellulosic paper material (150) made of recycled used textiles and a use of used textiles for providing a cellulosic paper material (150) are described.

The invention belongs to the technical field of waste textile recovery equipment, and particularly relates to a separation device for waste textile recovery, which is used for separating a waste quilt core which only retains an upper-layer coated fiber braided fabric and a lower-layer thermal insulation fiber layer, and comprises a first conveying mechanism, a second conveying mechanism, a third conveying mechanism and a fourth conveying mechanism, the feeding mechanism is in butt joint with the output end of the first conveying mechanism and is used for flattening and compacting the waste quilt cores and continuously conveying the waste quilt cores; the second conveying mechanism is used for receiving and conveying the separated thermal insulation fiber layer; wherein the first conveying mechanism, the feeding mechanism and the second conveying mechanism are sequentially mounted on the rack from left to right; the device further comprises a net cotton separating mechanism and the like. By means of continuous collaborative operation of the first conveying mechanism, the feeding mechanism, the net and cotton separating mechanism, the net stripping mechanism, the negative pressure mechanism and the second conveying mechanism, continuous treatment of waste quilt cores from conveying, flattening and compacting to net and cotton separating and stripping is achieved.

The invention relates to a cloth block and fiber separation device, and belongs to the field of waste textile regeneration processing machinery. Comprising a first anticlockwise separation beater, a first clockwise separation beater, a second anticlockwise separation beater, a second clockwise separation beater, a third clockwise separation beater, a stripping roller-shaped beater, an impurity falling opening, a fiber outlet, a pre-carding channel, a carding roller, a separation box and an air supplementing plate, the left side of the separation box is provided with the pre-carding channel, and the carding roller is arranged in the pre-carding channel; a fiber outlet is formed in the right side of the separation box, an impurity falling opening is formed in the lower end of the separation box, an air supplementing plate is arranged on the lower portion of the left side of the separation box, and a first anticlockwise separation beater, a first clockwise separation beater, a second anticlockwise separation beater, a second clockwise separation beater, a third clockwise separation beater and a stripping roller-shaped beater are fixedly installed in the separation box. Through the separation of the carding roller and the separation beater and the combination of negative pressure winnowing type separation and mechanical active separation, cloth blocks and fibers of different sizes are thoroughly separated, and the problem that rags and fibers are not thoroughly separated is solved.

The structured decorative colour solid (100) having an intertwined plurality of tubular structures (103) and plurality of metal wires or strips (101) is disclosed. The tubular structure includes recycled fabric from post-consumer waste clothing. The structured decorative colour solid is three-dimensional, pliable, and free of re-5 dyeing, colourants, and chemical processing. The method (200) for making the structured decorative colour solid is also disclosed. The method includes harmonizing (201) the post-consumer waste clothing and deconstructing (203,403) it into two-dimensional fabric strips. The method further includes scrambling (205) the two-dimensional fabric strip, and structuring (207) the two-dimensional fabric 10 strip and malleable metal wires or strips into a three-dimensional structured decorative colour solids.

Textile fibers of different lengths are fractionated in a liquid medium at a predetermined consistency into at least two fractions on the grounds of the fiber length, the two fractions being a first accept and a second accept. The second accept, which has longer fibers than the first accept, is led to a refining step in the liquid medium, and the refined fibers are fractionated in the liquid medium into at least two fractions on the grounds of the fiber length.

To provide a method for manufacturing clothing fabrics that regulate heat retention, and to provide clothing fabrics. [Solution] The method for manufacturing clothing fabric is characterized by comprising: a defibration step S2 in which raw material C is dry-processed to produce fibers; a mixing step S3 in which additives are mixed with the fibers obtained in the defibration step S2 to produce a mixture; a deposition step S4 in which the mixture is deposited in air on a breathable fabric N1 that will become the first layer L1 to produce a web W that will become the second layer L2; a molding step S5 in which the fabric N1 and the web W are stacked and molded by heating and pressurizing; a bonding step S6 in which a fabric N3 that will become the third layer L3 is attached to at least one of the first layer L1 and the second layer L2; and a coating step S7 in which a treatment agent that improves heat retention is coated onto the third layer L3.

The present invention discloses a multi-fiber compact siro spinning production line capable of recycling waste materials, comprising a control system, a cotton mixing system, a cotton opener, a cotton feeder, a roll forming machine, a carding machine, a drawing system, a roving frame, a spinning frame, a winding device, a drawing system waste cotton collection system, a roving frame waste cotton collection device, a spinning wind cotton collection device, and a waste drawing and tearing device; the cotton mixing system comprises a mixing disk group, a first plucker, a baler, a second plucker, a multi-bin cotton mixing machine, and a wool combining machine arranged on one side of the baler, which are connected in sequence; the waste drawing and tearing device is respectively connected to the drawing system waste cotton collection system, the roving frame waste cotton collection device, and the spinning wind cotton collection device; and the waste drawing and tearing device is connected to the mixing disks of the mixing disk group. The production line of the present invention can recycle waste cotton, achieve raw material recycling, reduce production costs, reduce differences in various properties, and ultimately produce high-quality yarn.

The application belongs to the technical field of carbon material preparation, and particularly relates to a waste fiber-based three-dimensional flexible functional carbon felt and a preparation method thereof. The carbon felt is made of waste textiles through steps of opening, mixing, three-dimensional needling, pre-oxidation, carbonization and surface modification. The application discloses that waste textiles are used as raw materials, a micron-level fiber network is constructed through three-dimensional needling technology, high-entropy alloy nanoparticles are synthesized on the surface of the carbonized fiber, and carbon nanotubes are grown, so that a unique multi-scale micro-nano interpenetrating network structure is formed. The structure not only improves the specific surface area and conductivity of the material, but also endows the material with excellent flexibility and mechanical properties. In addition, the preparation method realizes high-value utilization of the waste textiles, and has significant environmental and economic benefits. The material has wide application prospects in the fields of flexible electrodes, energy storage, electrochemical sensing and the like.

Described is an apparatus for recycling non-woven materials (M) comprising a conveyor (1), which transports the non-woven materials (M) to be recycled to a compactor (2), which compacts and heats the material (M) and then directs it to an extruder (3), which melts only the plastic component of the non-woven materials (M) and leaves in the solid state the other metallic or plastic components which have a melting temperature higher than that of the plastic used to produce the non-woven material (M). The separation of the metal and plastic impurities from the non-woven material (M) is achieved by using a filter (4). The molten material is then further heated and finally cooled and cut into granules in a cooling and cutting station (7) and then stored, after a suitable drying process, in a storage silo (10).

The invention discloses a degradable glass fiber cloth rim charge recycling and granulating device which comprises an equipment table and a supporting plate fixedly installed on the upper surface of the equipment table, a fixing plate is arranged on the upper surface of the supporting plate, an equipment bin is fixedly installed on the upper surface of the supporting plate, two symmetrically-distributed pushing frames are arranged on the upper surface of the fixing plate, and the pushing frames are fixedly installed on the upper surface of the supporting plate. A push rod is fixedly installed on one side of one push frame, a sliding cylinder is arranged between the two push frames, a conical body is fixedly installed at one end of the sliding cylinder, a plurality of protruding blocks are fixedly installed on the peripheral side of the conical body, a spiral groove is formed in the peripheral side of the push rod, and a sliding block is slidably connected to the inner wall of the spiral groove. A supporting body is arranged in the equipment bin; according to the invention, through the combined use of the spiral groove, the sliding block, the ratchet wheel and the ratchet, the linear motion of the pushing frame can be converted into the rotary motion of the ratchet wheel, and rapid switching between the two cutters is realized, so that the effects of high working efficiency and high granulation qualification rate are achieved.

The present invention concerns a method (700) for treating textile waste (990) such as to deliver fiber stock containing usable fiber for short staple spinning. Said method comprises a preparation (720, 730) of said waste textile, tearing (740) said prepared waste textile into teared fibers tufts, and / or forming said teared fibers tufts into batt feed. Said method comprises a mixing of said teared fibers tufts such as to produce a homogenized batt feed and a feeding of a carding machine (500) with said batt feed, wherein said batt feed is transferred to a card drum such as to open and parallelize the fibers of said batt feed by transferring said fibers of said batt feed to a card drum and a revolving flat. The method comprises a further fiber refining process in which the opened and parallelized fibers are transferred without blending together with virgin fibers to a combing process such as to sort and separate the dust, the shortest fibers (noil) and the longer fibers from each other.

The invention discloses a method for recycling air bellow hair, and relates to the technical field of textile. Comprising the following steps: step 1, processing air bellow wool in a rolling cutting manner, step 2, classifying the processed wool fibers according to hues, and dyeing the wool fibers according to a brightness gradient by adopting the principles that the raw white is dyed with light color, the light color is dyed with medium-dark color, the medium-dark color is dyed with dark color, and the dark color does not need to be dyed; 3, the dyed wool fibers, the regenerated polyester fibers and the regenerated viscose fibers are mixed according to the mass proportion, flexible spinning is carried out, resultant yarn is obtained and used for spinning, the mass proportion of the wool fibers does not exceed 60%, and the content of the regenerated polyester fibers is higher than that of the regenerated viscose fibers by 8-15%; the air bellow wool treatment process is optimized, and wool fiber damage is reduced through the precise shearing technology; a low-temperature short-process dyeing technology and a stock solution coloring technology are combined, so that energy consumption and pollution are reduced; by fusing wool spinning and cotton spinning processes, high-quality yarns are produced, and the blending suitability is improved.

Provided is a method of producing an inorganic fiber mat the method including: a preparing step of preparing a first inorganic fiber molding derived from a needle-punched mat and a second inorganic fiber molding derived from a papermaking mat; a defibrating step of defibrating the first inorganic fiber molding and the second inorganic fiber molding to obtain defibrated inorganic fibers; and a papermaking step of forming the inorganic fiber mat by papermaking using a slurry containing the defibrated inorganic fibers.