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230results about "Fibre disintegration" patented technology

Coaxial layered fiber spinning for wind turbine blade recycling

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.
Owner:THE ARIZONA BOARD OF REGENTS ON BEHALF OF THE UNIV OF ARIZONA

Multifunctional aerogel fiber based on waste firefighter uniform fabric and preparation method thereof

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.
Owner:XI'AN POLYTECHNIC UNIVERSITY

Method for graded preparation of high-performance carbon microspheres based on waste cotton textiles

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.
Owner:XI'AN POLYTECHNIC UNIVERSITY

Preparation method of wool regenerated yarn

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.
Owner:GUANGDONG UNIV OF TECH

Resin composition, reinforced composite material, shaped product, and method of recovering reinforcing fiber from reinforced composite material

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.
Owner:ASAHI KASEI KOGYO KABUSHIKI KAISHA

Method for reclaiming fibers from textiles waste

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.
Owner:BROMINE COMPOUNDS

Waste textile opener and control method

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.
Owner:QINGDAO HONGDA TEXTILE MACHINERY

Tredcycle Advanced Machine

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
Owner:PIERRE SHIREEN

Fabric recovery apparatus and fabric recovery control method

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).
Owner:THE HONG KONG RES INST OF TEXTILES & APPAREL

Method for producing a cellulose paper material from used textiles

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.
Owner:LENZING AG

Separating device for recycling waste textiles

ActiveCN121848472AEliminate the waiting processEliminate lossesTransportation and packagingSolid waste disposalFiberProcess engineering
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.
Owner:QUANZHOU WEIKESAI MASCH TECH CO LTD

Structured decorative colour solid and method of making thereof

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.
Owner:PATEL ASIM

Method for treating textile fibers of different lengths

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.
Owner:VALMET TECH OY

Method for manufacturing clothing fabrics, and clothing fabrics

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.
Owner:SEIKO EPSON CORP

Compact siro spinning production line for multiple fiber varieties that can recycle waste

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.
Owner:SHAN DONG CHAO YUE FANG ZHI YOU XIAN GONG SI

A waste fiber-based three-dimensional flexible functional carbon felt and a preparation method thereof

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.
Owner:XI'AN POLYTECHNIC UNIVERSITY

Apparatus for recycling non-woven materials

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).
Owner:TESO CARLO

Degradable glass fiber cloth offcut recycling and granulating device

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.
Owner:SHANDONG SHUOYUAN NEW MATERIALS CO LTD

Method for recycling air bellow hairs

PendingCN121853226ATows to slivers/yarnsFibre disintegrationTextile technologyYarn
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.
Owner:SHANDONG LUJIANA TEXTILE & GARMENT CO LTD

Method of producing inorganic fiber mat and inorganic fiber mat

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.
Owner:IBIDEN CO LTD

Resin composition, composite reinforcing material, molded body, and method for recovering reinforcing fibers from composite reinforcing material

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.
Owner:ASAHI KASEI KOGYO KABUSHIKI KAISHA

Superheated steam and air oven for the disassembly of textile products

The current invention relates to a system for disassembling garments that are at least partially assembled with heat sensitive yarn, glues and / or heat-demountable rivets. The system comprises at least one heating chamber in connection with means for providing heated air of a temperature of 100° C. or more or superheated steam to the heating chamber. Said heating chamber having at least one opening through which clothing can enter said heating chamber wherein said system further comprises a rotating drum section, wherein said drum section is located within said heating chamber or configured to be moved in and out said heating chamber. A method of using the system is also disclosed. The system and method provide an energy efficient, non-destructive means by which textile elements of garments can be recovered for further use.
Owner:REGENERATION BV

Fiber processing method

To provide a fiber processing method capable of quickly and excellently generating a second fibrillated material at a high yield without depending on conditions such as type, density, composition, twisting coefficient of a yarn of a roughly crushed piece.SOLUTION: A fiber processing method comprises: a fibrillating step to generate a first fibrillated material by applying a fibrillating processing to a roughly crushed piece of a fabric including a yarn in which a plurality of fibers are twisted; and a rag opening step to generate a second fibrillated material by a rag opening processing to the first fibrillated material. The method may have a roughly crushing step that is executed before the fibrillating step and generates the roughly crushed piece by roughly crushing the fabric.SELECTED DRAWING: Figure 1
Owner:SEIKO EPSON CORP

Spunlace non-woven fabric raw material opening device

The invention relates to the technical field of spunlace non-woven fabric raw material opening, and provides a spunlace non-woven fabric raw material opening device which comprises a supporting frame, a feeding groove is formed in the supporting frame, a conveying belt is installed on the supporting frame, a processing barrel is fixedly installed on the supporting frame, a feeding opening is formed in the processing barrel, and a feeding opening is formed in the processing barrel. Two sets of supporting columns are rotationally installed on the supporting frame, and a motor is fixedly installed on the supporting frame. According to the spunlace non-woven fabric opening device, a driving gear rotates through a motor to drive a rubber rod on a supporting column to rotate, spunlace non-woven fabric raw materials in a processing barrel are subjected to secondary opening, the caked raw materials are scattered, and the situation that the cloth opening effect is poor due to the fact that soil blocks exist on cloth is avoided.
Owner:ANHUI YINSHAN FLAME RETARDANT NEW MATERIAL TECH CO LTD +1

Method for processing fibrous matter from waste material

A method (100) for processing fibrous matter from a waste material involves obtaining (101) the waste material, trimming (102) the waste material, pre-treating (104), second mechanical treatment (106), washing (108), first chemical treatment (110) with an enzyme and water solution, draining (112) the enzyme and water solution, heating (114) to obtain a fiber cake, providing (116) controlled shockwaves, a second chemical treatment (118), hydro-extracting (120) fiber cake, opening (122) the fiber cake, drying (124), pre-conditioning and softening (126), mechanically treating and segregating (128), softening (129), processing (130) to obtain a sliver and spinning (132) the sliver to obtain a product.
Owner:SHAH SHIKHA

Process and system for recycling epoxy thermosets

PendingEP4326806A4ProductsReagents
The present invention relates to a process and system for recycling epoxy thermosets, containing cleavable bonds, said process using an acid solution to dissolve the epoxy thermoset and devolatizing the acid solution from a thermoplastic acidic mixture to produce a thermoplastic component. The process allows recovery of a recyclable thermoplastic component and optionally a recyclable reinforcement matrix component. The process comprising dissolving the epoxy thermoset in an acid solution under heated conditions resulting in a thermoplastic mixture; optionally filtering the thermoplastic mixture to separate out a reinforcement matrix component from a thermoplastic solution; and devolatizing the thermoplastic solution to obtain a recyclable thermoplastic component.
Owner:ADITYA BIRLA CHEM (THAILAND) LTD

Nonwovens production facility

Recycling facility for non-wovens, comprising a fraying roller (8), a flat carding machine (9) without spikes mounted downstream of the fraying device (8) in the direction of travel of the non-wovens in the facility.
Owner:RIETER PERFOJET

Protective fabric and process of manufacturing same

A fabric for use in arc and flame protection, is made up of: more than 15% weight percent (wt %) aramids; less than 50% wt % modacrylic; less than 50% wt % cellulose; and less than 15% wt % nylon. A process for producing the fire-resistant fabric involves shredding recycled fire-resistant garments into fibers; creating yarn from the shredded fibers; weaving the yarn into fabric; and knitting the yarn to produce new garments. The fabric may be used to produce fire-resistant garments worn by workers in many industries such as the oil and gas.
Owner:GENERAL RECYCLED

Wristwatch and method of producing wristwatch

A wristwatch includes: a case; an annular metal band connected to the case; and a first cushion and a second cushion that protect at least the metal band, the first cushion is longer in a first direction than in a second direction, is connected to the second cushion at a portion of an end portion of the first cushion in the second direction, and supports an inner side of the annular metal band, and the second cushion supports an outer side of the annular metal band.
Owner:SEIKO EPSON CORP