166 results about "Textile fiber" patented technology

The invention discloses a preparation method of a composite phase change material, a thermal-insulation and antibacterial fabric and a preparation method thereof, and belongs to the field of functional textile fabrics and preparation thereof. The composite phase change material provided by the invention can be applied as a coating finishing component, and the preparation method comprises the following steps: taking polystyrene microspheres as a core, and forming a composite precursor through dopamine self-polymerization coating; and compounding the composite precursor with a layered double-metal hydroxide, and calcining to obtain the carbon microsphere supported layered double-metal oxide material with a hollow structure, and mixing the carbon microsphere supported layered bimetal oxide material with paraffin, and loading to obtain the carbon microsphere supported layered bimetal oxide material. The textile fiber fabric provided by the invention has excellent thermal insulation and antibacterial characteristics, is good in comfort, and has wide application prospects in industrial production and clothing application.

An installation for sorting textile fiber components to be recycled into at least one material and / or at least one color is characterized in that all components to be sorted are conveyed to a cutting installation. The cutting installation is arranged to cut the components into pieces, and means are provided for transferring the cut pieces from the cutting installation to means for detecting the material or materials constituting each piece and / or the color or colors of each piece. Pieces detected as being made of at least one material and / or color are sent to output conveying means to obtain a collection point, while pieces detected as not being made of at least one material and / or color are not sent to output conveying means. Figure for the abbreviation: Fig. 1

The invention relates to a computer-implemented method for optically characterizing a textile fiber structure. A plurality of pieces of information on the color at different locations of the textile fiber structure are detected by an optical sensor system. The detected color information is transmitted to a computer (107) and is entered into a color space (2) in the form of a scatter plot (31) by the computer. A frequency density distribution (4) of the scatter plot (31) is determined, and the frequency density distribution (4) is numerically specified. The invention allows a change in the material of the textile fiber structure to be ascertained and optimizes the elimination of foreign materials from the textile fiber structure.

The invention relates to the technical field of intelligent packaging devices, in particular to an adjustable textile fiber chain type conveying device which comprises a fiber packaging pretreatment rack, a servo air cylinder is installed on the inner side of the fiber packaging pretreatment rack, and an output shaft of the servo air cylinder is fixedly connected with a bottom plate; a cotton feeding roller is arranged at the position, close to the middle, of the upper end of the bottom plate, a conveying mechanism used for regularly conveying textile fibers to a packaging procedure is installed on the inner side of the bottom plate, a clamping mechanism used for clamping the textile fibers is arranged at the front end of the bottom plate, a cylinder is arranged on the inner side of the fiber packaging pretreatment rack, and a feeding mechanism used for feeding the textile fibers is arranged on the cylinder. A first motor drives a threaded rod to drive a mounting block to move back and forth along an inlet area of a cotton feeding roller, and a CCD camera can perform global scanning on a fiber layer in cooperation with limiting and guiding of a guide rod; meanwhile, the directional airflow nozzle blows away the adhered thread ends, and the airflow direction and the camera view field form a set included angle, so that airflow interference detection is avoided.

The invention relates to the technical field of textile fibers, in particular to a solid kapok viscose fiber and a preparation method thereof. According to the solid kapok viscose fiber provided by the invention, the viscose fiber is modified by adopting active components of kapok, so that the solid kapok viscose fiber with an antibacterial effect is prepared. The solid kapok viscose fiber combines the advantages of the kapok and the viscose fiber, and has the advantages of light weight, good heat retention property, high antibacterial and acarus killing effect, good moisture absorption and quick drying property and strong mechanical property. The solid kapok viscose fiber provided by the invention overcomes the defects of poor antibacterial property, low fiber strength and low stability of common viscose fibers, and the solid kapok viscose fiber is remarkably superior to traditional viscose fibers in functionality, sustainability and application range; wide application prospects are realized in the fields of clothes, home textiles, industrial textiles, filling materials and the like.

The invention discloses waste textile cellulose and lignin-based porous carbon for a super capacitor and a preparation method thereof, and belongs to the technical field of preparation of grade capacitor carbon. According to the invention, lignin and waste textile cellulose are carbonized and activated in one step by using a simple and green composite activator, potassium carbonate is used as an activator, urea is used as an activator and an N dopant, and the electrode prepared from the carbon material has a pore structure dominated by mesopores and micropores, and has excellent capacity and rate capability; the purpose of improving the energy density and the power density of the super-capacitor electrode is achieved. According to the method, the biological waste lignin and the waste textile cellulose are utilized in a high-valued manner to prepare the porous carbon, so that the problems of poor conductivity and low carbon yield of an amorphous carbon material in the current supercapacitor electrode preparation are solved, and the effective unit capacity and the rate capability of a supercapacitor device are improved.

The present invention relates to a textile comprising textile fibers and a non-crosslinked polymeric binder that is insoluble in water, said polymeric binder comprising a solid polyelectrolyte complex formed of an anionic polyelectrolyte and a cationic polyelectrolyte. The invention also relates to a process for manufacturing such a textile and to a method for recycling such a textile.

The invention relates to a method for treating, in particular for purifying, a textile fiber blend, wherein a treatment agent flows through the textile fiber blend, and to a device for carrying out the method according to the invention.

The utility model relates to the technical field of cloth conveying, in particular to a cloth conveying device which comprises a supporting frame, a rotatable driving roller is arranged on one side of the supporting frame, a rotatable driven roller is arranged on the other side of the supporting frame, and a conveying belt is arranged between the driving roller and the driven roller in a sleeved mode. A strip brush capable of making contact with the conveying belt is arranged below the supporting frame, and a driving assembly used for driving the strip brush to move in a reciprocating mode is arranged on the supporting frame. The driving assembly comprises rod bodies which are oppositely arranged on the supporting frame and can move in a reciprocating mode, connecting blocks are arranged on the rod bodies, and an adjusting assembly used for adjusting the height of the strip brush is arranged between the connecting blocks. The rod body reciprocates to drive the strip brush mounted between the connecting blocks to reciprocate, so that bristles on the brush continuously and efficiently clean the rotating conveying belt, impurities such as textile fiber scraps, dust and slurry particles on the surface of the conveying belt are effectively stripped, and the conveying belt is cleaned.

The invention provides a method and formula tion for cleaning a soiled substrate, the method compris;.ig the treatment of the moistened substrate with a formulation comprising a multiplicity of polymeric particles, wherein the formulation is free of organic solvents. Preferably, the substrate is wetted so as to achieve a substrate to water ratio of between 1:0.1 to 1:5 w / w. Optionally, the formulation additionally comprises at least one cleaning material and, in this embodiment, it is preferred that the polymeric particles are coated with the at least one cleaning material. Preferably, the cleaning material comprises a. surfactant, which most preferably has detergent properties. Most preferably, the substrate comprises a textile fibre. Typically, the polymeric particles comprise particles of most preferably in the form of nylon chips. The results obtained are very much in line with those observed when carrying out conventional dry cleaning processes and the method provides the significant advantage that the use of solvents, with all the attendant drawbacks in terms of cost and environmental considerations, can be avoided

A device for detecting a mixture ratio of two components of a textile fabric contains a radiation source for transmitting electromagnetic radiation in a spectral band in the direction of the textile fiber structure, a radiation sensor for receiving at least a part of the electromagnetic radiation, and a spectral filter with spectral properties in the spectral band for filtering at least one part of the electromagnetic radiation. The transmittance of the spectral filter in the spectral band has at least one local maximum and at least one local minimum. The spectral properties of the spectral filter in the spectral band are adapted to the spectral properties of the radiation source and each of the two components such that a radiation intensity received by the radiation sensor is a monotonous function of the mixture ratio of the two components. The device is simple in design and allows the use of spatially resolving imaging radiation sensors.

The present application relates to the technical field of detection data processing, and particularly relates to a textile fiber component analysis system and method based on machine learning; the direction gradient attention module provided in the embodiment has strong direction bias in feature representation before generating a candidate region proposal, which makes the region proposal network more easily locate the geometric center of the fiber according to the extension direction of the fiber, so as to generate a more compact and accurate candidate box, and lay a foundation for subsequent disentanglement of the adhered fiber. By focusing attention on several main directions related to the fiber, the direction gradient attention module naturally suppresses the edge response from random direction background noise, purifies the features, and improves the robustness of the model.

This invention belongs to the field of textile fiber technology and discloses a radiation-cooling composite yarn and its preparation method. The radiation-cooling composite yarn includes an elastic core, an intermediate covering layer, and an outer layer; the intermediate covering layer covers the outside of the elastic core; the outer layer covers the outside of the intermediate covering layer and includes a radiation-cooling nanofiber membrane. This invention provides a radiation-cooling composite yarn comprising an elastic core, an intermediate covering layer, and an outer layer arranged in three layers; the outermost radiation-cooling nanofiber membrane can efficiently reflect sunlight and radiate heat outward through atmospheric windows, achieving passive cooling of the fabric; simultaneously, when the human body temperature is lower than the outdoor temperature, the fabric has a certain degree of heat retention due to the presence of still air inside the elastic core of the yarn; based on the yarn composition, the movement of the human body can be tracked by utilizing the law of yarn elongation change and its resistance change.

The present application provides a kind of textile fiber coated with essential oil and a preparation method thereof, relating to the technical field of textile fiber.The textile fiber coated with essential oil of the present application, the body of textile fiber is distributed with at least one closed hollow structure in the position close to surface, the closed hollow structure is coated with essential oil, and the depth of closed hollow structure along the cross section of textile fiber is not less than 1 / 20 of the diameter of textile fiber.The present application can achieve good coating performance of textile fiber on essential oil without using microcapsules coated with essential oil, and realize long-acting release of essential oil.

This invention relates to a method for dyeing fabrics, yarns and fibers using microorganisms whereby the adsorption of dye-containing microorganisms onto textile fibers is improved using carbon sources above a threshold concentration. Dye molecules contained within the microorganism are released from the microorganism and fixed directly and locally to the textile fibers using a heat treatment step. Said heat treatment also deactivates the carrier microorganisms. Single or multiple microorganism species, and single or multiple dyes produced by said single or multiple microorganism species may create a variety of textile colors. Suitable synthetic dyes may also be added before, during or after microorganisms have produced dyes but before the dye-releasing heat treatment step.

The invention discloses polybutylene terephthalate resin capable of being spun at a high speed, and the resin is formed by carrying out polycondensation on regenerated terephthalic acid (r-PTA) and 1, 4-butanediol (BDO), the terephthalic acid is regenerated terephthalic acid (r-PTA), and the content of p-toluic acid (p-TA) is less than or equal to 30 ppm; the content of 4-carboxybenzaldehyde (4-CBA) is less than or equal to 10ppm; the intrinsic viscosity (IV) of the resin is from 0.80 to 1.15 dL / g; the terminal carboxyl group content (AV) is less than or equal to 20mol / t; and a molecular weight distribution index (PDI = Mw / Mn) of 1.8 to 2.2. The PBT resin has the characteristics of narrow molecular weight distribution, high melting point and low acid value, and supports 2000-2200m / min high-speed spinning, and the prepared DTY (draw textured yarn) fiber is high in crimp shrinkage rate (good in elasticity) and good in hydrolysis-resistant stability, is widely applied to the field of textile fibers, and is particularly suitable for production of high-end high-elastic fabrics.

The application discloses a kind of detection system of quick nondestructive testing fabric density, including size comparison module, platform module, image acquisition module, processing module;Platform module is fixed to be detected object and cooperates size comparison module to form the object to be detected that can be used for real-time detection, image acquisition module acquires corresponding image information and real-time backup storage data according to operator target detection position, and the original data after backup is transferred to processing module, and processing module calculates the fabric density of the object to be detected in specified range according to the space layer conversion of fiber, the application further discloses a kind of detection method of application detection system.Relative to prior art, the technical scheme of the present application has the advantages of being convenient, real-time and traceable, etc.The application not only has the advantages of being fast and convenient and not damaging the fabric, but also the data can be traced back and reproduced well, and has important application prospects in the field of textile fiber detection.

The invention discloses a perylene bisimide flame-retardant pigment as well as a preparation method and application thereof, and relates to the technical field of high polymer material additives, and the perylene bisimide flame-retardant pigment comprises a compound as shown in a formula I. According to the perylene bisimide flame-retardant pigment provided by the invention, the design thought of an organic functional pigment is broadened, the blank of synergistic application of a flame retardant and a pigment in the prior art is filled up, a novel structure considering flame-retardant and coloring requirements in a single molecule is realized, the adjustability of color and performance of a material is endowed through substituent group engineering, and the flame-retardant perylene bisimide pigment is suitable for industrial production. The method has important significance in the fields of textile fibers, engineering plastics, electrical and electronic components and the like which need to consider attractiveness and safety. Formula I.

The utility model relates to the technical field of textile, and discloses novel textile fiber winding equipment which comprises a two-way spiral column, the left side and the right side of the two-way spiral column are both rotationally connected with first fixing blocks, the middle of the two-way spiral column is in threaded connection with a moving block, and the front side of the moving block is fixedly connected with a fiber inlet. A groove column is slidably connected to the bottom of the moving block, a small rotating disc is fixedly connected to the position, close to the edge, of the left side of the bidirectional spiral column, a transmission belt is clamped to the inner wall of the small rotating disc, a large rotating disc is clamped to the top of the transmission belt, and a round winding drum is fixedly connected to the middle of the large rotating disc; round baffles are rotationally connected to the left side and the right side of the outer wall of the round winding drum. According to the utility model, the small turntable is driven to rotate through the transmission belt so as to drive the bidirectional spiral column to rotate, and the bidirectional spiral column is connected with the moving block, so that the moving block moves left and right and slides along the groove column to ensure uniform winding and increase the fiber winding amount in unit time, thereby improving the efficiency.

The invention provides a method for highlighting texture features based on multi-focus images. The method comprises the following steps: step 1, collecting multi-layer focus sequence images of fiber fragments; step 2, carrying out corresponding position pixel accumulation on the acquired multi-layer focusing sequence image and then averaging to obtain an average image; 3, calculating the definition of each layer of image; 4, calculating the sum of the sharpness of each multi-layer graph interval, and finding out the optimal multi-layer graph interval with the maximum value; step 5, respectively subtracting pixels at corresponding positions of the average image from each layer of image in the multi-layer image interval, and taking absolute values to obtain a difference image sequence of each image to the average image; and step 6, adding and normalizing all the difference images to obtain a final texture enhancement image. The method has the technical effects of good texture highlighting effect, good certainty, high efficiency and good robustness for the fiber image in the microscopic imaging state, and can be used for an image preprocessing stage of a qualitative and quantitative analysis system for textile fiber types and components.

The invention relates to the technical field of textile fiber preparation, in particular to a preparation method of colorful chitosan-based fluorescent anti-counterfeiting nanofibers. The method comprises the following steps: (1) preparing a spiropyrane (SP) labeled red fluorescent chitosan (CS) solid material SP-CS; (2) preparing a perylene (Perylene) labeled green fluorescent chitosan solid material Perylene-CS (Chlorine Sulfonate); (3) preparing a tetraphenylethylene (TPE) labeled blue fluorescent chitosan (CS) solid material TPE-CS; (4) blending the SP-CS dilute acetic acid solution, the Perylene-CS dilute acetic acid solution, the TPE-CS dilute acetic acid solution and the polyvinyl alcohol (PVA) solution according to different proportions to prepare a spinning solution; and (5) preparing the colorful chitosan-based fluorescent anti-counterfeiting nanofiber through electrostatic spinning. The series of chitosan-based anti-counterfeiting nanofibers prepared by the invention can emit fluorescence in various colors such as orange, yellow, cyan and purple under the excitation of ultraviolet light, the diameter distribution of the fibers is uniform, the surface is smooth, and the average diameter is within the range of 110-150nm.

The textile fiber drying equipment comprises a supporting frame, a drying box, a hot air supply device, a protective cover, two diffusion devices, two transmission mechanisms, a driving assembly and a dispersion device.The drying box is fixedly arranged on the supporting frame, a feeding opening is formed in the top wall of the drying box, and a discharging hopper is arranged at the bottom end of the drying box; air inlets are formed in the two side walls of the drying box correspondingly and connected with a hot air supply device through pipelines. The protective cover is arranged on the side wall of the drying box and communicates with the drying box. The two diffusion devices are symmetrically and rotationally arranged in the drying box, and one end of each diffusion device penetrates out of the drying box and is rotationally connected with the protective cover. Therefore, by dispersing and drying the textile fibers, the inner and outer layers of the fibers can be effectively ensured to be uniformly heated, so that the drying time is greatly shortened, and meanwhile, the drying efficiency is improved.

The application relates to the technical field of biomass textile fiber preparation, and particularly discloses a preparation method and application of polylactic acid fiber with persistent strong hydrophilicity and flame retardance, which comprises the following steps: 1) performing carboxymethyl modification treatment on nanocellulose; 2) performing ethylene glycol diglycidyl-phytic acid modification treatment on polylactic acid; and 3) preparing a physical-chemical combined composite modified polylactic acid fiber. The application adopts the carboxymethyl modification treatment on the nanocellulose to make it hydrophilic, and simultaneously performs modification treatment on the polylactic acid to connect the ethylene glycol diglycidyl-phytic acid to the molecular chain of the polylactic acid, so that the hydrophilic carboxymethyl and the phytic acid are used to endow the polylactic acid fiber with strong and persistent hydrophilicity, improve the compatibility between the nanocellulose and the polylactic acid and the dispersibility of the former in the latter matrix, and the environment-friendly phytic acid endows the polylactic acid with persistent high flame retardance, thereby avoiding the problems of the separation of the conventional flame retardant and the blending of the flame retardant and the polylactic acid and the deterioration of the performance of the polylactic acid.

The application discloses a kind of spectral detection devices of textile fiber component, including mounting bracket, the left side of the mounting bracket is fixedly connected with baffle, the lower right side of the baffle is fixedly connected with mounting seat, the lower side of the mounting seat is installed with multiple fasteners, the right lower side position of the mounting bracket is installed with first electric push rod, the telescopic part of the first electric push rod passes through the mounting bracket and the baffle.By the design layout of plugboard, displacement frame and baffle, double-layer textiles can be automatically separated and isolated from the layer to be detected and the non-detection layer, which can improve detection efficiency and detection accuracy, ensure the authenticity of the test results, through the cooperation of lifting mechanism, force measuring mechanism, detection mechanism, flattening mechanism and auxiliary mechanism, the textile can be non-destructively detected during the detection process, and the detection automation degree is high, the detection precision is high, and it can be applied to different types, different thicknesses and different materials of textiles.

The utility model discloses textile fiber recycling equipment which comprises a rack, a crushing mechanism and a filtering mechanism, the rack is provided with a feeding port, the crushing mechanism is arranged in the rack, and the filtering mechanism is arranged on the lower side of the crushing mechanism; the crushing mechanism comprises a fixing rod, the fixing rod is fixedly connected to the inner side of the rack, and a first electric guide rail is fixedly connected to the bottom end of the fixing rod. According to the textile fiber recycling equipment, a driving motor, a first rotating shaft, an infrared device, a color mark and a shaft electromagnetic band-type brake are controlled, and the band-type brake tightly holds the first rotating shaft; the first rotating shaft is braked, then the cutting knife is used for cutting off the fine wire wound on the smashing knife, damage to machine parts caused by winding of the fine wire is avoided, the service life of equipment is prolonged, long-term stable operation of the equipment is guaranteed, the wire is rapidly cut, normal operation of the equipment can be recovered as soon as possible, the downtime is greatly shortened, and the utilization rate of the equipment is increased.

The invention relates to the design of a snowflake-inspired spinneret for the production of sound-absorbing biomimetic textile fiber and a textile fiber that can be produced using this spinneret.

The invention belongs to the technical field of high polymer materials and textile fibers, and particularly relates to a method for preparing regenerated cellulose fibers from waste cotton textiles, which comprises the following steps: (1) cleaning, drying and shearing the waste cotton textiles to obtain cotton fiber fragments; (2) adding the cotton fiber fragments obtained in the step (1) into the enzymatic hydrolysate, stirring at 40-60 DEG C, and performing ultrasonic treatment for 1-3 hours; after the ultrasonic treatment is finished, carrying out enzyme deactivation treatment to inactivate enzyme in enzymatic hydrolysate, then collecting cotton fiber fragments, and washing the cotton fiber fragments to be neutral; (3) adding the cotton fiber fragments treated in the step (2) into a solvent A for dissolving to obtain a cellulose spinning solution; and (4) carrying out spinning treatment on the cellulose spinning solution prepared in the step (3) to obtain the regenerated cellulose fiber. According to the method disclosed by the invention, high-value utilization of the waste cotton textiles is realized through ultrasonic-enzymolysis synergy.

The invention relates to a method for recycling textile fibers. According to the method, active addition of a catalyst is not needed.

This invention discloses a highly sensitive intelligent color-changing textile fiber and its preparation method, belonging to the field of materials. The preparation method includes the following steps: S1: The fiber is impregnated in a color-changing coating solution and then subjected to a first-stage photoinitiated polymerization; the color-changing coating solution is formulated by combining a mechanosensitive group with a vinyl monomer; the mechanosensitive group is a rhodamine derivative mechanosensitive group; S2: The fiber obtained in S1 is subjected to multi-stage impregnation-photoinitiated polymerization in a swelling solution to obtain the intelligent color-changing textile fiber; the swelling solution is formulated by combining a vinyl monomer and a crosslinking agent. This invention has advantages such as highly sensitive intelligent color changing.