1352 results about "Weft yarn" patented technology

The invention relates to the technical field of antibacterial and antifouling fabrics, provides a preparation method of an antibacterial and antifouling fabric, and solves the problem of poor fabric durability caused by single functional component and lack of physical protection in the prior art. The preparation method comprises the following steps: S1, preparing MOFs loaded antibacterial fibers: blending a metal organic framework antibacterial composite nanomaterial and a polymer matrix material, and carrying out melt spinning to prepare the MOFs loaded antibacterial fibers; s2, constructing a self-cleaning functional coating: dispersing the fluorinated nanoparticles and a polymer adhesive in a solvent to prepare a self-cleaning coating solution; s2, performing surface activation treatment on the MOFs-loaded antibacterial fiber obtained in the step S1, soaking the MOFs-loaded antibacterial fiber in the self-cleaning coating liquid, and performing pulling and curing to form a bionic micro-nano structure coating on the surface of the MOFs-loaded antibacterial fiber so as to obtain a functional composite fiber; s3, spinning forming: taking the functional composite fibers obtained in the step S2 as warp yarns and / or weft yarns, and weaving to obtain the antibacterial and antifouling fabric.

The invention relates to a seatbelt webbing (10) for a seatbelt system of a motor vehicle, comprising a woven fabric of warp threads (11) and weft threads (12), where the woven fabric comprises a primary color in one or more base portions (13). The seat belt webbing includes at least one stripe having a different color and extending parallel to the warp yarns. Transition stripes are arranged at transitions from the base portion to the stripes, wherein the warp yarns of the base portion and stripes include base yarn counts. The transition stripe includes at least two warp yarns having a transition yarn count that is finer than the base yarn count.

To provide a synthetic resin canvas (and a method for producing the same) having cotton canvas appearance, stable in balance of warp and weft dimensions, and hardly causing dimensional change.SOLUTION: A synthetic-resin canvas having a mass of 360 to 800g / m2, the synthetic-resin canvas being obtained by providing a soft vinyl chloride-resin-impregnated coating layer on an entire surface of a fabric, wherein the fabric is a plain weave fabric, a twill weave fabric, or a satin weave fabric, and a 10% tensile stress in a widthwise direction of the synthetic-resin canvas is 90 to 110% of a 10% tensile stress in a processing direction. Especially, the fabric is composed of a short fiber spun yarn, a combination of a short fiber spun yarn and a long fiber multifilament bulky yarn, or a long fiber multifilament bulky yarn, and the difference between the total fineness per inch (dtex / inch) of the weft yarn group and the total fineness per inch (dtex / inch) of the warp yarn group is within ± 10%.SELECTED DRAWING: None

The invention provides a ribbon loom driven by horizontally opposed crankshafts, which comprises a base rack provided with a crankcase, a crankshaft driving assembly is arranged in the crankcase and drives a heald frame opening mechanism through a connecting rod, and a cloth tape winding mechanism, a weaving mechanism and a weft yarn feeding mechanism are further arranged above the crankcase. The crankshaft driving assembly comprises a rear crankshaft set and a front crankshaft set which are horizontally and oppositely arranged, a first synchronous wheel and a second synchronous wheel in the rear crankshaft set are connected through a rear main shaft piece, and a driving belt wheel is installed on a motor piece and connected with the first synchronous wheel through a first synchronous belt. The front crankshaft set and the rear crankshaft set are driven to rotate synchronously, all heald frame openings in the heald frame opening mechanism operate synchronously according to the preset opening rhythm, openings are formed through the heald frame set, the openings reach the weaving mechanism to be woven into cloth belts, and then the cloth belts are wound into a container through the winding mechanism. The vibration and noise of the machine are reduced, and the overall processing efficiency of the ribbon loom is improved.

A weft yarn for an artificial ligament (1), a weft yarn preparation method, and an artificial ligament (1). The artificial ligament (1) is of a round rod structure; a first woven part (102), an in-joint free filament part (103), and a second woven part (104) which are sequentially connected are formed in the round rod structure in the axial direction thereof; the in-joint free filament part (103) comprises a plurality of weft yarns (201), and the weft yarns (201) extend in the axial direction of the round rod structure; and each weft yarn (201) has a fineness of 1000 D-3000 D / 1-100 F, and a mechanical strength of 75-300 N. By increasing the mechanical strength of a single yarn formed in the in-joint free filament part (103) of the artificial ligament (1), the number of yarns in the in-joint free filament part (103) is decreased. The present invention can eliminate a knee joint synovial membrane inflammatory response caused by chippings of the artificial ligament (1) in the reconstruction process of the artificial ligament (1), reduce the degree of contact adhesion between the in-joint free filament part (103) and the tissue, reduce the probability of adhesion, and solve the clinical problems of the inflammatory response and the prolonged surgery time which are caused by difficult removal due to adhesion of the free filaments and the tissue in the revision surgery.

The utility model discloses a breathable cool anti-UV fabric, which is formed by weaving warp yarns and weft yarns according to a one-up one-down plain weave, each cycle of the warp yarns contains 2-3 hollow reeds, the warp yarns comprise inner-layer yarns and outer-layer yarns, the outer-layer yarns are chinlon delustering yarns, the inner-layer yarns are spandex yarns, the weft yarns comprise first weft yarns and second weft yarns, and the first weft yarns and the second weft yarns are interwoven. The first weft yarn is the same as the warp yarn, the second weft yarn is alkali-soluble yarn, and in each cycle of the weft yarn, the yarn ratio of the first weft yarn to the second weft yarn is (15-18): (1-2). When the fabric passes through alkali liquor, the alkali-soluble yarns in the weft yarns are dissolved, so that the alkali-soluble yarns and vertical blanks formed by the hollow reeds in the warp direction form holes at nodes, the proportion of the alkali-soluble yarns is not more than 10%, and the use amount of the alkali-soluble yarns is small, so that the use amount of strong alkali is correspondingly reduced, environmental pollution caused by excessive use of the strong alkali is avoided, and meanwhile, serious beard edges and fuzzing balls at the holes are avoided. The fabric disclosed by the utility model can integrate the effects of ventilation, cool feeling, elasticity and UV resistance into a whole.

The disclosed fan blade is composed at least in part of a structure (50) made of composite material comprising a fiber reinforcement and a matrix. The fiber reinforcement includes a plurality of plies that are each formed of warp yarns and weft yarns. The warp yarns and weft yarns include incomplete yarns that each have a terminal end on the pressure side (40) or the suction side. The pressure side (40) and the suction side each have at least one ply drop line (80, 81) connecting the terminal ends of the incomplete yarns of the same ply. At least one ply drop line (81) has an end portion (96) that extends from the blade tip up to 90% of the blade height. Said end portion (96) extends generally along a direction of extent (E) forming an angle between 5° and 85° with the local tangent of the warp yarns.

The invention relates to the field of woven materials, in particular to a fiber hybrid woven composite material based on bionic multistage gradient design. The material is obtained through material gradient design, structure gradient design and interface gradient design. The material comprises a surface layer high-rigidity area, a transition area and a core high-toughness area, wherein the surface layer high-rigidity area adopts carbon fibers I as warp and weft yarns; in the transition area, basalt fibers I are adopted as weft yarns, carbon fibers II are adopted as warp yarns, and Z-direction yarns are aramid fibers I; warp yarns of the core high-toughness area are basalt fibers II, and weft yarns and Z-direction yarns of the core high-toughness area are aramid fibers II. The defects of stress concentration, insufficient interlayer toughness, interface slippage and the like existing in traditional plain / twill weaving are effectively overcome. According to the design, on the premise that the cost is kept controllable, the interlayer performance, the impact resistance and the energy absorption characteristic of the composite material are remarkably improved by optimizing the three-dimensional combination mode of the warp yarns, the weft yarns and the Z-direction yarns at each stage, and the synergistic enhancement of mechanical properties is achieved.

The invention relates to the technical field of medical instruments, in particular to an artificial ligament braided fabric. The artificial ligament braided fabric comprises a braided part, the braided part is formed by interweaving warp yarns and weft yarns, a mesh staggered structure is formed, the warp yarns extend in the width direction of the braided part, and the weft yarns extend in the length direction of the braided part. Compared with the prior art, by optimizing the weaving structure and the size design, the complex movement requirements of various joint parts such as the ankle joint and the acromioclavicular joint can be met, the stable fixing effect is provided, and the risks of loosening and shifting of the graft are reduced.

The utility model discloses a loop yarn woolen-like fabric which comprises a warp group and weft yarns, the warp group comprises first warp yarns, second warp yarns and third warp yarns, and the weft yarns are woven with the first warp yarns, the second warp yarns and the third warp yarns in an up-and-down and staggered mode; the first warp yarns are formed by twisting first polyester low stretch yarns of 140D-150D and 32 pure polyester slub yarns; the third warp yarns are formed by stranding and twisting 140 D to 150 D of third polyester low stretch yarns, 26 black loop yarns and 90 D to 100 D of imitated silk yarns; the weft yarn is formed by plying and twisting 140 D to 150 D cation low stretch yarn, 32 cation polyester yarn and 40 D to 50 D spandex. Warp weave points in a weave cycle are distributed, and pure polyester bunchy yarn and black loop yarn are utilized, so that the linen-like and wool-like effect can be achieved in touch and vision.

The invention discloses a nanofiber functional grading scaffold and a preparation method thereof. The preparation method comprises the following steps: step 1, respectively preparing a PLCL / silk fibroin spinning solution, a PLCL / silk fibroin / MDP1 spinning solution and a PLCL / silk fibroin / hydroxyapatite spinning solution; 2, processing the three spinning solutions into nanofiber yarns through electrostatic spinning; and step 3, by taking the PLCL / silk fibroin nanofiber yarns as warp yarns and taking the three kinds of nanofiber yarns as weft yarns in sequence, weaving on a machine to obtain the stent. In the nanofiber functional grading scaffold, polypeptide MDP1 is loaded in the nanofiber yarn for simulating a fibrous cartilage interface, so that the situation that the mechanical property of the whole structure is influenced by scar hyperplasia caused by excessive inflammation of a tendon-bone interface can be prevented; meanwhile, hydroxyapatite with an excellent osteogenesis promoting effect is loaded in the nanofiber yarn for simulating the bone interface, and the mechanical property of the tendon-bone interface is further enhanced.

The invention relates to the field of three-dimensional weaving digital design, in particular to a complex curved surface body three-dimensional weaving flat torsion conversion method and system. The method comprises the following steps: acquiring a three-dimensional model, a warp direction, a weft width, a warp width and a yarn thickness of the complex curved surface body; segmenting the three-dimensional model along the warp direction by taking the weft width as an interval to obtain a plurality of initial sections and corresponding upper boundary line segments and lower boundary line segments; determining an initial reference point of the initial section based on the upper boundary line segment and the lower boundary line segment; layering the initial section by using the yarn thickness and the initial reference point based on the upper boundary line segment and the lower boundary line segment to obtain a plurality of layered structures; and constructing a flattened datum line by using the initial datum point. Based on the layered structure and the flattening datum line, yarn path points are extracted with the warp width as the step length, and a tiled-state three-dimensional weaving path point model is generated. The problems that in the prior art, three-dimensional weaving flat torsion of a complex curved surface body is low in efficiency and poor in precision are solved.

The present application relates to the technical field of textile design, and particularly relates to a method for improving fabric image color distortion by superimposing and developing color of sanding, which comprises the following steps: (1) CMYK four-color yarn design; (2) jacquard CAD design; (3) weaving of grey fabric; (4) dyeing and finishing of the grey fabric; the dyeing and finishing of the grey fabric comprises sanding after light bleaching and fading treatment of the grey fabric. The present application adopts the design method of superimposing and developing color of color image fabric, the color developing mode of color mixing of jacquard CAD technology, and designs through the spinning form of colored weft yarn, jacquard CAD and dyeing and finishing, produces the effect of mutual color bleeding and color mixing of color materials of CMYK four-color yarn through fading treatment, and then carries out sanding treatment, so that the fine and dense fluff of the color yarn is superimposed with the effects of color transmission and improvement of complete covering, the color yarn is subjected to color transmission and superimposed color mixing again, the color is softer and more real by adopting the mode similar to the superimposition of four plates of CMYK color printing.

Described is an insect net strip produced from a wide insect net which has been cut in a warp direction (xnet) by means of a one-step ultrasonic cutting and welding process. The insect net strip includes warp yarns and weft yarns extending substantially perpendicular to each other and at least 90% of the warp and weft yarns are monofilament yarns made of a thermoplastic material. After cutting and welding process the insect net strip has a first and a second edge extending parallel to said warp yarns each including a deformation zone being constituted by consolidated thermoplastic material deriving at least from said weft yarns. The deformation zone has a width (wdz) in the transverse direction (ystrip) of between 0.5-35 times the weft yarn diameter (øwe). At least 90% of gaps between adjacent weft yarns in the deformation zone are closed by consolidated thermoplastic material at least from the weft yarns which has been melted together to form a continuous or substantially continuous reinforced band-shaped edge portion of said insect net strip. The insect net strip is suitable for use in accordion-style constructions in greenhouse ventilation openings. A method for producing the insect strips is also described.

The invention relates to the technical field of labels, in particular to a label weaving method with an identification function, which comprises the following steps of: acquiring outer boundary lines of patterns, analyzing yarn intersection trend and intersection point arrangement, propelling contour direction, carding trend sequence, identifying tension change and setting a buffer section, and matching an insertion position and a steering area. And obtaining a rotation section processing result. According to the method, the outer boundary contour of the woven label pattern is extracted, the yarn intersection relation is analyzed to construct the area form, the trend sequence is combed in combination with the extension trend of the path starting position, the tension range is delimited according to the direction change and the intersection point distribution, the buffer section is arranged, and the weft yarn trend and rhythm are controlled by matching the insertion position and the steering area. The path direction is smooth, through and unobstructed; the tension area distribution is balanced and stable, local tightening or loosening is avoided; the steering part layering is clear, yarn overlapping and disorder are avoided; the yarn organization is in order and reasonable, so that the whole pattern form can be identified conveniently.

The invention relates to the technical field of textiles, in particular to an elastic silk satin fabric and a production process thereof, warp yarns are 50D / 48F glazed polyester acetic acid-imitated FDY (Fully Drawn Yarn) yarns, and weft yarns are elastic coated yarns formed by twisting and coating 50D / 72F semi-glazed polyester DTY yarns and 20D spandex yarns. The production process comprises the steps of warp reeling and two-for-one twisting, weft reeling and two-for-one twisting shaping, water-jet weaving and after-finishing. Warp two-for-one twisting adopts high speed, specific tension and forming angle and is combined with large-package reeling, so that the processing problem of superfine denier acetic acid-imitated warp is solved; the two-for-one twisting of the weft yarns adopts a brimless two-for-one twisting and a specific small forming angle process, so that the compact structure and the weaving adaptability of the elastic coated yarns are ensured; the high speed is combined with the raised back rest, the accurate water path and the yarn gripper control in the weaving process, so that the weaving defects are greatly reduced. According to the process, efficient and stable production of the high-quality elastic silk satin fabric which is light, thin, soft, high in elasticity and good in drapability is achieved, and the process has remarkable industrial application value.

A woven silt fence fabric includes two or more different warp yarns having different cross-sectional shapes in the machine direction and / or two or more different fill yarns having different cross-sectional shapes in the cross-machine / transverse direction. The woven silt fence fabric includes one or more marker yarns having a different color than adjacent yarn(s) to thereby identify one or more of a grade line, install line, monitor line, and / or high visibility line.

The invention belongs to the technical field of textile fabrics, and discloses an intelligent temperature-adjusting phase change microcapsule and a preparation method of a fabric thereof. The phase change microcapsule is prepared from the following components in percentage by mass: 60 to 80 percent of organic phase change material, 6 to 15 percent of N-isopropylacrylamide, 4 to 10 percent of acrylic acid, 1 to 5 percent of polyether surfactant, 2 to 5 percent of urethane acrylate and 2 to 5 percent of initiator. Warp yarn, first weft yarn and second weft yarn containing the microcapsules are woven into the intelligent temperature-adjusting phase-change fiber fabric, the response speed of the phase-change microcapsules is increased through the thermosensitivity of the organic phase-change materials, temperature can be buffered and adjusted in a wide temperature range, the organic phase-change materials cooperate with the temperature-sensitive polymer capsule wall, heat release, warm keeping, ventilation and moisture removal are achieved, and the intelligent temperature-adjusting phase-change fiber fabric is obtained. Inlet of hot air is reduced through heat absorption and cooling, climate and air temperature adjustment is self-adapted, and somatosensory comfort is maintained. In addition, no components irritating to the skin are added in the formula, so that adverse reactions such as sensitization and the like on consumers are avoided.

The invention relates to a processing technology of a silk fabric, in particular to a gradient weaving method of a silk fabric with a multi-level pore structure, which comprises the following steps of: selecting mulberry silk yarns and high-shrinkage polyester fiber yarns as warp and weft raw materials, and weaving on an electronic jacquard loom according to a preset pattern in a strip-type arrangement at a warping stage, warp tension is divided into a reference tension area, a transition area and a relaxation tension area, weft density is dynamically adjusted through a beating-up device, a high-weft-density area and a low-weft-density area are formed, and leno weave, double-layer weave, terry weave and satin weave are combined in different areas to form an area structure. The high-shrinkage polyester fibers are shrunk by 30%-60% through first-stage steam treatment and second-stage hot air setting, the mulberry silk is driven to form a three-dimensional pore structure, multi-level and gradient change of the pore structure is achieved, and weaving controllability and design freedom degree are improved.

The utility model relates to the technical field of Tujia brocade weaving, and discloses a Tujia double-faced brocade which comprises a ground weave and a jacquard weave, the ground weave and the jacquard weave both adopt a yarn arrangement mode of double warps, three wefts and spread warps and folded wefts, the jacquard weave adopts a double-faced same-effect Tujia double-faced brocade jacquard weave, and the double-faced same-effect Tujia double-faced brocade jacquard weave is a double-faced double-faced brocade jacquard weave. The double-sided same-effect Tujia double-sided brocade weave comprises two groups of warps and three groups of wefts, and the basic weave of the double-sided same-effect Tujia double-sided brocade jacquard weave is plain weave or twill weave. Compared with the prior art, the Tujia brocade weaving device has the advantage that the Tujia brocade weaving efficiency is improved.

The invention discloses a light warm-keeping high-strength fabric and a preparation method thereof, and relates to the technical field of fabric manufacturing. The light warm-keeping high-strength fabric is of a plain grid structure formed by interweaving warp yarn and weft yarn, and the warp yarn and the weft yarn are both obtained by compounding chinlon hollow yarn and ultra-high molecular weight polyethylene yarn. The preparation method of the light warm-keeping high-strength fabric comprises the following steps: performing sectional warping arrangement on the nylon hollow yarns and the ultra-high molecular weight polyethylene yarns, finishing into a warp beam, performing drafting and denting according to a tissue structure, selecting a heavy loom for weaving, and performing interweaving, deoiling, washing, dyeing and shaping according to a plain weave mode to obtain the light warm-keeping high-strength fabric.

The invention relates to the technical field of fabrics, in particular to an integrated ultra-light running fabric and a preparation method thereof.The preparation method includes the following steps that superfine denier polyester fibers and tencel fibers are blended according to the mass ratio of (7-9): 2 to form composite yarns; the composite yarn is subjected to pre-improvement treatment, after improvement is finished, a composite yarn pre-improved body is obtained, the composite yarn pre-improved body serves as warp yarn, modified spandex serves as weft yarn, the warp yarn and the weft yarn are fed into a circular knitting machine according to the weight ratio of (8-10): 3 to be subjected to knitting weaving treatment, and after treatment is finished, the ultra-light running fabric is obtained. According to the integrated ultralight running fabric, superfine denier polyester fibers and tencel fibers are blended, the fabric is based on the blending of the superfine denier polyester fibers and the tencel fibers, the densities of warp yarns and weft yarns are as low as 9.8-10.0 tex and 8.5-9.0 tex respectively, the weight per unit area of the fabric is greatly reduced due to the design of the fine denier fibers and the low linear density, the ultralight characteristic is achieved, and the body load during running is reduced.

To provide a fabric for a screen which improves ventilation without impairing light-shielding property.SOLUTION: In a fabric for a screen so that warps 20 cross each other, skipping a plurality of wefts 10, the wefts 10 and the warps 20 each have a circular cross section, and in a region where the plurality of wefts 10 are aligned vertically, a ratio Ph / φh of a diameter φh of the weft 10 to a pitch Ph of the weft 10 is set to 1.66≤Ph / Φh<4.81, and a diameter Φv of the warp 20 and a pitch Pv of the warp 20 are set so that an opening rate O is 35.00%≤O≤60.00%.SELECTED DRAWING: Figure 5

The invention relates to the technical field of composite materials with textile structures, in particular to a preparation method of a three-dimensional warp-direction interlocking woven composite material with different reinforced structures, which comprises the following steps: firstly, carrying out straightening treatment on aramid fibers, and adopting the aramid fibers as warp and weft yarns, weaving a three-dimensional warp-direction interlocking woven fabric preform on a three-dimensional rapier loom controlled by a computer; preparing a resin matrix from epoxy resin, a reactive diluent and a polyether amine curing agent; carrying out vacuum-assisted resin transfer molding on the woven aramid fiber three-dimensional warp-direction interlocking woven fabric; and the three-dimensional warp-direction interlocking woven composite material with different reinforced structures is prepared by regulating and controlling a stacking mode. Through fiber low-damage weaving, structure regulation and control design and orthogonal interlocking lamination, the problems of layering sensitivity and anisotropy of the three-dimensional warp-direction interlocking woven composite material under the extreme load can be solved, and technical support is provided for achieving the excellent mechanical property, low-damage manufacturing, low cost and light weight of the three-dimensional woven composite material.

The utility model relates to a sunshade net for covering ground tea, which is formed by alternately weaving one kind of warp yarns and two kinds of weft yarns, the warp yarns are black warp yarns made of polyethylene, and the weft yarns are formed by alternately arranging first black weft yarns made of polyethylene and second silver weft yarns made of aluminized film polyethylene. The cross section of the first black weft yarn and the cross section of the second silver weft yarn are flat, the width of the second silver weft yarn is larger than that of the first black weft yarn, the cross section of the black warp yarn is circular, and a plurality of fixing clamps are connected to the edges of the two sides of the sunshade net through connecting lines. The thickness of the edges of the two sides of the sunshade net is larger than that of the other parts of the sunshade net, and therefore the sunshade rate is improved, and meanwhile optimal balance between the sunshade rate and the weight is achieved.

Disclosed are exemplary embodiments of woven silt fence fabrics. In exemplary embodiments, the woven silt fence fabric may comprise a high-strength high-modulus monofilament woven silt fence fabric. In exemplary embodiments, the woven silt fence fabric may include two or more different warp yarns having different cross-sectional shapes in the machine direction and / or two or more different fill yarns having different cross-sectional shapes in the cross-machine / transverse direction.

The invention relates to the field of textiles, and particularly discloses antistatic and anti-pilling double-sided flannelette and a preparation process. The antistatic and anti-pilling double-sided flannelette is composed of warp yarns, weft yarns and a suede fiber layer, the warp yarns and the weft yarns adopt the same multi-fiber blended yarns and consist of the following fibers in percentage by weight: 50%-60% of modified polyester fibers, 12%-18% of modal fibers, 18%-22% of anti-pilling polyester fibers and 8%-12% of tencel fibers; the suede fiber layer is formed by short fibers through a fuzzing process and is composed of the following fibers in percentage by weight: 46%-55% of cationic polyester, 27%-32% of conductive acrylic fibers and 18%-22% of bamboo fibers. The antistatic and anti-pilling double-sided flannelette has the advantages of durability, excellent antistatic property, excellent anti-pilling property, softness and comfort.

The invention relates to the technical field of textile, and particularly discloses a low-wear protein silk fabric production process, which comprises the following steps: step 1, preparing yarns, warp yarns and weft yarns being 1 / 50D / 48F semi-gloss polyester T-800; step 2, yarn treatment: warp treatment: grey yarn, sectional warping and drafting and reed digging are performed, and weft yarns do not need to be treated; step 3, weaving: weaving by adopting a plain weave, and interweaving by using a water-jet loom to obtain a finished product fabric; step 4, inspection: inspecting the finished fabric, and leaving the factory after the finished fabric is inspected to be qualified; in the sectional warping process in the step 2, a sectional warping machine is used, the two processes of reeling and two-for-one twisting are omitted during warp processing, the warp sectional warping process is optimized, broken filaments are effectively prevented, and the finished fabric is compact in texture and has a certain decorous feeling; by optimizing the weaving process, the phenomena of weft breakage, weft carrying, warp breakage and the like can be effectively reduced in the weaving process, and the finished fabric is soft, comfortable, easy to form and good and soft in hand feeling.

The invention discloses a preparation method of a self-cleaning antibacterial anti-mite fabric, and relates to the technical field of fabric preparation, and the preparation method comprises the following steps: 1-5 g of Cu (NO3) 2.6 H2O, 0.1-1.5 g of isophthalic acid, 20-50 mL of water and a certain antibacterial enzyme mixture are sequentially poured into a glass beaker, stirring is performed for 30 min, uniform mixing is performed, and the antibacterial anti-mite fabric is obtained; pouring the mixture into a 25mL polytetrafluoroethylene inner container, putting the inner container into a high-pressure kettle, sealing, carrying out high-temperature reaction for 72 hours in a drying oven at 90 DEG C, separating out a light blue product by using a centrifugal machine after the reaction is completed, washing for multiple times by using water, drying, mixing the obtained light blue powder with PET slices, melting and granulating, and drying to obtain the PET composite material. The preparation method comprises the following steps: preparing a bio-enzyme coated with a metal frame, mixing the bio-enzyme coated with the metal frame with common polyester chips, carrying out melt spinning to prepare multifunctional polyester fibers containing the bio-enzyme coated with the metal frame, taking the polyester fibers as weft yarns and cotton fibers as warp yarns, and interweaving into gray fabric according to a certain rule, so that the problem that the existing antibacterial anti-mite fabric is poor in effect durability is solved.

The application relates to the technical field of textiles, and particularly discloses a double-faced color-weaved large jacquard corduroy fabric and a production process thereof. The double-faced color-weaved large jacquard corduroy fabric is obtained after a corduroy base fabric sequentially undergoes pretreatment, cutting, brushing and singeing. The corduroy base fabric woven by the application has raised weft yarns on both the front and back surfaces, and after the cutting, brushing and singeing treatment, the obtained double-faced color-weaved large jacquard corduroy fabric has pile on both the front and back surfaces, thereby improving the warmth retention performance of the fabric. Meanwhile, compared with the single-faced pile corduroy fabric, the double-faced pile corduroy fabric has a greater thickness under the condition of the same fabric weight, thereby overcoming the limitation of the production process on the fabric thickness.