17 results about "Chamois leather" patented technology

The invention discloses a manufacturing method of suede artificial leather with excellent flame retardance, and relates to the technical field of artificial leather manufacturing, the manufacturing method comprises the following steps: S1, base material preparation: providing a superfine fiber non-woven fabric base material; s2, preparation of a flame-retardant polyurethane impregnation liquid: mixing polyurethane resin, an organic solvent, a composite flame retardant and an auxiliary agent to form a uniform impregnation liquid; the composite flame retardant is formed by compounding an intumescent phosphorus-nitrogen flame retardant and a metal oxide catalyst; s3, ultrasonic-assisted impregnation: the superfine fiber non-woven fabric base material impregnated in the flame-retardant polyurethane impregnation liquid is placed in an ultrasonic field (the frequency is 20-40 kHz) to be treated for 1-5 minutes; and S4, solidification: putting the impregnated base material subjected to ultrasonic treatment into a coagulating bath, and solidifying the polyurethane to form impregnated grey cloth. According to the manufacturing method, through an ultrasonic-assisted impregnation and three-dimensional synergistic flame-retardant system, the problems that a traditional flame retardant is uneven in permeation and poor in synergism are solved.

This utility model relates to the field of composite embossing technology. It discloses a composite embossing device for wrinkle-resistant suede fabric, comprising a base, a motor fixedly mounted on one side of the base, mounting slots on both sides of the base, and mounting plates inside the mounting slots. The mounting plate on one side of the base near the motor is movable, while the mounting plate on the other side of the base is rotatably connected via a connecting shaft. A fixing plate is bolted to the top of the mounting plate on the side near the motor, and a handle is threaded through the middle of the fixing plate, connecting to the mounting plate near the motor. A rotating shaft is rotatably mounted between the mounting plates, and an embossing roller is mounted around the rotating shaft via a quick-release assembly. The output end of the motor is connected to the rotating shaft via a coupling. The quick-release assembly allows for easy and quick replacement of different embossing rollers, improving work efficiency and simplifying manual operation.

1. Name of the product in this design: Slippers (Men's Half-Closed Heel Suede). 2. Intended use of this design: for wearing. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The application designs a kind of electrochemical sensor preparation based on bismuth film (Bi) and two-dimensional graphdiyne (GDY) and its application in one-step detection of multiple heavy metal ions. A kind of electrochemical sensor (Bi / GDY / GCE) capable of one-step sensitive detection of Zn 2+ , Cd 2+ , Pb 2+ is prepared by drop coating method and electrodeposition method. Mainly includes the following steps: (1) preparation of sensor: the glassy carbon electrode (GCE) is polished on the chamois leather with Al2O3 polishing powder, and then the electrode is washed with ultrapure water. GDY solution is drop coated on the surface of GCE, and then bismuth film is electrodeposited after air drying at room temperature. (2) application of sensor: the constructed electrochemical sensor is used for one-step detection of three heavy metal ions Zn 2+ , Cd 2+ , Pb 2+ by adsorption dissolution voltammetry. The application has simple process, low manufacturing cost, high detection efficiency and remarkable determination effect.

The application discloses a suede composite fabric and a preparation method thereof, and belongs to the technical field of fabrics. The fabric has a gradient sandwich structure and comprises a multifunctional nano-particle modified suede layer, a nano-particle enhanced water-based PU adhesive layer and a high-strength base cloth layer. The multifunctional nano-particle is prepared by using hexachlorocyclotriphosphazene as a core skeleton and grafting organosilicon prepolymer, long fluorocarbon chain silane and silane coupling agent; the modified suede layer endows the fabric with multifunctionality, the adhesive layer strengthens the interface bonding, and the base cloth layer improves the mechanical strength. The application is prepared by using a one-pot in-situ grafting process, the fabric has excellent flame-retardant, hydrophobic and wear-resistant properties, has strong washing resistance, meanwhile, retains the delicate touch and the simulated leather texture of the suede, and the process is environmentally friendly and simple, and is suitable for application in multiple scenes.

The application discloses a suede composite fabric and a preparation method thereof, and belongs to the technical field of fabrics. The fabric has a gradient sandwich structure and comprises a multifunctional nano-particle modified suede layer, a nano-particle enhanced water-based PU adhesive layer and a high-strength base cloth layer. The multifunctional nano-particle is prepared by using hexachlorocyclotriphosphazene as a core skeleton and grafting organosilicon prepolymer, long fluorocarbon chain silane and silane coupling agent; the modified suede layer endows the fabric with multifunctionality, the adhesive layer strengthens the interface bonding, and the base cloth layer improves the mechanical strength. The application is prepared by using a one-pot in-situ grafting process, the fabric has excellent flame-retardant, hydrophobic and wear-resistant properties, has strong washing resistance, meanwhile, retains the delicate touch and the simulated leather texture of the suede, and the process is environmentally friendly and simple, and is suitable for application in multiple scenes.

The invention discloses a production process of a suede fabric. The production process comprises the steps of weaving of suede base cloth, splitting, dyeing, sanding, shearing and brushing, after-finishing and drying and shaping. Cation sea-island filaments are selected as terry yarns; the superfine fluff fabric is padded with an antistatic antifouling finishing liquid, a two-dipping and two-rolling process is adopted, and the antistatic antifouling finishing liquid comprises an antistatic agent, a fluorocarbon antifouling agent, a cross-linking agent, a penetrating agent and polyvinyl alcohol laurate. Through the anti-static and anti-fouling finishing liquid and the padding-baking process, the binding force between the anti-static agent and the fiber and the binding force between the anti-fouling agent and the fiber can be improved by using the cross-linking agent, the durability of the finishing effect is improved, the surface resistance of the fabric is smaller than or equal to 1 * 10 < 9 > omega, the water staining level is larger than or equal to 4, and the fabric has the anti-static and anti-fouling functions; the problems that a traditional suede fabric easily absorbs dust and is difficult to clean are effectively solved. And the anti-static and anti-fouling finishing is performed after dyeing, so that the color fastness of the suede fabric can be improved.

This utility model relates to the technical field of leather processing, and in particular to a microfiber imitation suede punching and feeding device. It not only continuously clamps and fixes the leather during its movement, preventing collapse due to excessive conveying length and ensuring the punching effect, but also cleans away dust electrostatically adsorbed on the leather, ensuring its cleanliness. The device includes a feeding mechanism, a driving mechanism, a moving mechanism, a clamping mechanism, a punching mechanism, and a cleaning mechanism. The driving mechanism is mounted on the feeding mechanism and drives it; the moving mechanism is mounted on the driving mechanism and assists in forward conveying of the leather; the clamping mechanism is mounted on the moving mechanism and clamps the leather; the punching mechanism is mounted on the feeding mechanism and punches the leather; and the cleaning mechanism is mounted on the punching mechanism and cleans away dust from the leather surface.

The invention belongs to the technical field of miRNA detection, and particularly relates to a biosensor for detecting miRNA, the biosensor comprises a transcription-coupled positive feedback CRISPR / Cas13a system and an electrochemical luminescence hydrogel, the electrochemical luminescence hydrogel is aminocarbazole-sodium alginate-polyethylene glycol hydrogel with the surface modified with gold nanoparticles, and the gold nanoparticles are added to the aminocarbazole-sodium alginate-polyethylene glycol hydrogel. The construction method of the biosensor comprises the following steps: polishing the surface of a glassy carbon electrode on chamois by using aluminum oxide powder, coating the treated surface of the glassy carbon electrode with aminocarbazole-sodium alginate-polyethylene glycol hydrogel with the surface modified with gold nanoparticles, then drying to form a modified film, mixing tris (2-carboxyethyl) phosphine with S1, incubating, and drying to obtain the biosensor with the gold nanoparticle modified amino carbazole-sodium alginate-polyethylene glycol modified amino carbazole-sodium alginate-polyethylene glycol modified amino carbazole-sodium alginate-polyethylene glycol modified amino carbazole-sodium alginate-polyethylene glycol modified amino carbazole-sodium alginate-polyethylene glycol modified amino carbazole. Dropwise adding to the surface of the glassy carbon electrode modified by the hydrogel; the preparation method comprises the following steps: firstly preparing a glassy carbon electrode, then using mercaptohexanol to seal, then capturing pre-prepared DA-S2, reacting and constructing to form an S1-DA-S2 structure, then dropwise adding a transcriptional coupled positive feedback CRISPR / Cas13a system reaction mixed solution to the surface of the glassy carbon electrode, and incubating, so that simple and rapid serum miRNA recognition and nucleic acid signal amplification can be realized. The invention provides a brand new design concept and technical approach for constructing a novel efficient and stable miRNA detection method, and is expected to meet the clinical requirements on high-sensitivity miRNAs detection.

The application provides a water-based suede with a suede style and a preparation method thereof, and the preparation method comprises the following steps: preparing a water-based PU slurry, wherein the water-based PU slurry comprises deionized water, water-based polyurethane, sodium alginate, metal carbonate and an auxiliary agent; passing a base cloth through an impregnation tank at a certain speed, so that the water-based PU slurry in the impregnation tank fully infiltrates the base cloth; passing the base cloth after the impregnation treatment through an acid aqueous solution coagulation bath; and performing water washing, padding treatment, drying treatment and post-processing treatment on the base cloth after the coagulation bath treatment, so as to obtain the water-based suede with the suede style. The PU content of the water-based suede with the suede style is 10-30%, and a large number of cavities are distributed in the suede.

The utility model relates to the technical field of fabric processing, in particular to composite suede fabric surface treatment equipment which comprises a weaving machine, the right end of the weaving machine is rotationally connected with an unwinding roller, the left side of the weaving machine is fixedly connected with a support, and the top of the support is rotationally connected with a winding roller. A first cleaning roller is rotatably connected to the inner side wall of the weaving machine, a U-shaped frame is fixedly connected to the top of the weaving machine, a synchronous rod is rotatably connected to the inner side wall of the U-shaped frame, helical gears are symmetrically connected to the outer portion of the synchronous rod, a lifting rod is slidably connected to the interior of the U-shaped frame, and a second cleaning roller is rotatably connected to the bottom end of the lifting rod. Compared with the existing composite suede fabric surface treatment equipment, the composite suede fabric surface treatment equipment disclosed by the utility model has the advantages that through the design of a helical gear and a tooth groove, the removal of foreign hair of fabrics with different thicknesses can be realized, and the overall practicability is greatly improved.

The application relates to the technical field of image processing, and discloses a processing control method and system for suede super imitation leather fabric. The method comprises the following steps: collecting a suede fabric image through double-light-source illumination and preprocessing; extracting fabric texture features based on a Gabor filter and a local binary pattern; obtaining defect information by using a U-Net model analysis; calculating process parameters by using a genetic algorithm and double-face nap parameter collaborative control; and performing quality evaluation according to indexes such as density distribution and direction consistency. The application establishes a multidimensional online detection and intelligent control system, realizes accurate monitoring and self-adaptive adjustment of the fabric processing process, and thus overcomes the technical defects of single detection means, low control precision and response lag in the prior art.

The invention relates to high-flame-retardant suede and a preparation method thereof. The high-flame-retardant suede comprises a suede layer, a flame-retardant material and a fabric layer pressed on the suede layer, wherein the chamois leather layer is coated with the flame-retardant material, and the flame-retardant material is covered with the fabric layer; the flame-retardant material is respectively immersed into the chamois leather layer and the fabric layer; a heavy pressing area and a light pressing area which are arranged in sequence are formed in the position, pressed on the chamois leather layer, of the fabric layer; the forming difference of the fabric layer is preset and limited by the heavy pressing area and the light pressing area. The problems that in an existing scheme, flame-retardant fiber yarn is added into fiber fabric, the flame-retardant effect on a suede layer is limited, toxic gas can be generated after colloid combustion, the suede layer in high-flame-retardant suede still has the combustion risk, and the surrounding environment can be polluted are solved.

The utility model provides a suede color fastness rapid detection device, relates to the technical field of color fastness detection devices, and aims to solve the problem that a suede sample is fixed mainly in a pressing and fixing manner in the detection process, so that the suede sample cannot be firmly fixed in the detection process. The micro suede sample pushing device comprises a pushing frame, a friction assembly, a pushing assembly and a pushing assembly, wherein the pushing frame is arranged on the pushing frame; the clamping block is sleeved with a friction cloth piece. A leather supporting block is inserted into the top of the leather binding bottom plate; the leather supporting block is rotationally connected with a side binding block; and a leather pressing frame is inserted into the top of the leather bundling bottom plate. The top of the leather supporting block is sleeved with the pre-cut suede, the side binding block is extruded in the mode that the suede supporting block is inserted into the leather binding bottom plate after clamping is completed, the clamping firmness of the suede is improved in the extrusion process, the edge position of the suede is restrained by the side binding block, the situation that the suede is kept stable in the friction detection process is avoided, and the friction detection efficiency is improved. The color fastness of the suede can be conveniently detected.

According to the technical scheme, the high-grade chamois leather fabric rough surface treatment device for the automobile comprises a treatment box and an equipment box, a dust collection chamber is installed on one side in the treatment box, a dust discharge chamber is installed on the side, close to the dust collection chamber, in the treatment box through a partition plate, and a scraper chamber is installed on the side, close to the dust discharge chamber, in the treatment box; a rotating shaft is mounted in the scraping chamber, a driving motor is mounted at one end, located on the front surface of the treatment box, of the rotating shaft, an equipment box is mounted at the top of the treatment box, a supporting seat is mounted on the outer surface of the rotating shaft, and a nylon scraping plate is mounted at the top of the supporting seat through a buffer column. According to the high-grade chamois leather fabric rough surface treatment device for the automobile, the problems that when an existing chamois leather fabric is produced, much dust is prone to being left on the rough surface, the chamois leather fabric cannot be effectively treated, the cleanliness of the chamois leather fabric is affected, and the use experience of the chamois leather fabric is poor are solved, the cleanliness of the chamois leather fabric is improved, and the service life of the chamois leather fabric is prolonged. Therefore, the use experience of the chamois leather fabric is improved.

The invention discloses a fine-particle texture high-elastic automobile interior fabric and a manufacturing method thereof, and the method comprises the following steps: S1, weaving a base cloth, and then carrying out water washing and preshrinking treatment on the base cloth; s2, dipping the base cloth obtained in the step S1, and then carrying out padding, pre-drying and heat setting; wherein an impregnation solution used for impregnation contains water-based polyurethane resin and glycidyl methacrylate; s3, the fabric obtained in the step S2 is subjected to decrement splitting in alkali liquor, and the split fabric is dried through a setting machine in a wet state; s4, performing fuzzing and sanding treatment on the fabric obtained in the step S3; s5, padding the fabric obtained in the step S4 with a solution containing waterborne polyurethane resin, and then drying with a setting machine to obtain a final finished product. The fabric disclosed by the invention has the effects of smooth inverted hair and inverted hair superfine particle touch sense, and has fine and smooth touch sense and high-performance indexes of natural chamois leather.

The utility model provides polishing equipment for preparing peony seed hand strings, and relates to the field of peony cultural and creative products. The polishing equipment comprises an upper polishing mechanism and a lower polishing mechanism which are composed of chamois leather polishing belts and belt wheels, the upper polishing mechanism and the lower polishing mechanism are arranged in parallel, and the length of the upper polishing mechanism is smaller than that of the lower polishing mechanism; between the upper polishing mechanism and the lower polishing mechanism, the movement speed of the chamois leather polishing belt in the lower polishing mechanism is larger than that of the chamois leather polishing belt in the upper polishing mechanism, and the movement direction of the chamois leather polishing belt in the lower polishing mechanism is opposite to that of the chamois leather polishing belt in the upper polishing mechanism. The polishing equipment is mainly composed of an upper polishing mechanism and a lower polishing mechanism, and the principle of the polishing equipment is that peony seeds are made to roll through the speed difference and reverse movement of the upper polishing mechanism and the lower polishing mechanism, and then the peony seeds are polished in the rolling process. The polishing equipment is high in polishing efficiency and particularly suitable for polishing irregular particles.