654results about "Multi-ply fabrics" patented technology

The invention relates to the field of school uniform fabric production, in particular to a preparation method of an environment-friendly quick-drying school uniform fabric, which comprises the following preparation steps: S1: material selection, S2: fiber functionalization treatment, S21: plasma surface modification, S22: enzymatic polishing, S3: blended yarn preparation and fabric weaving, S4: fabric dyeing, S5: multifunctional composite finishing, S51: spraying of a waterborne polyurethane coating, S52: ozone washing water softening, s6, carrying out post-treatment; the regenerated polyester, the organic cotton and other raw materials are adopted, the regenerated polyester is made of recycled PET plastic bottles and is environmentally friendly and economical, polar groups on the surface of the regenerated polyester are activated through plasma surface modification, the hygroscopicity is greatly improved, the quick-drying performance is enhanced, and by means of a unique double-layer honeycomb mesh structure and a double-strand yarn optimization treatment mode, the moisture absorption performance is greatly improved. A multidirectional moisture guiding channel is formed, and the moisture evaporation rate is increased, so that the prepared school uniform fabric is environment-friendly, durable and comfortable while maintaining high-breathability and quick-drying performance.

The invention discloses a light-weight moisture-conducting functional fabric and a preparation method thereof, and relates to the technical field of textile, the light-weight moisture-conducting functional fabric comprises an inner layer and an outer layer, the inner layer is obtained by blending polyester fibers and nylon special-shaped section fibers, and the outer layer is obtained by blending modified polypropylene fibers and hollow polyester fibers; the modified polypropylene fiber is obtained by mixing polypropylene slices and modified jade powder, melting, spinning and stretching; the prepared fabric has the light weight characteristic and the one-way moisture guiding capacity, sweat can be rapidly discharged out of the body, dry and comfortable isolation between the skin and the outside is achieved, and multiple health protection functions such as lasting antibiosis, efficient ultraviolet resistance and contact cool feeling are organically integrated.

An airbag configured to be inflated by a source of gas, the airbag being formed from first and second layers of fabric arranged in superimposition to define an inflatable chamber between the layers for the receipt of inflating gas. Each layer of fabric has a structure (e.g. a weave) comprising at least one yarn, and the two layers are interconnected by at least one tether yarn extending between the layers within the inflatable chamber. The or each tether yarn is implicated in the structure of the first layer at a plurality of first connection regions, and is implicated in the structure of the second layer at a plurality of second connection regions. Each said first connection region is wider in a length-direction of the, or each, tether yarn than each said second connection region, and said second connection regions are offset relative to said first connection regions.

An industrial fabric 100 is an industrial fabric in which an upper surface side fabric composed of upper surface side warps and upper surface side wefts and a lower surface side fabric composed of lower surface side warps and lower surface side wefts are bound to each other, wherein an upper surface side warp 1Ub functions as an upper surface side binding yarn binding the upper surface side fabric and the lower surface side fabric, and a lower surface side warp 2Lb functions as a lower surface side binding yarn binding the upper surface side fabric and the lower surface side fabric. The number of knuckles formed by the upper surface side warp 1Ub in the upper surface side fabric is larger than the number of knuckles formed by the lower surface side warp 2Lb in the upper surface side fabric.

The invention discloses a spandex-free elastic woven fabric and a preparation method thereof.The preparation method comprises the steps that on a material layer, graphene / nano-silicon dioxide modified PBT / PTT composite fibers are adopted as warp yarn, and a spring-damping elastic structure is constructed; the surface warp yarns are made of carbon nano tube coated superfine denier chinlon, so that the surface friction is reduced; the weft yarns are Yacell / PTT (polytrimethylene terephthalate) double-component core-spun yarns, so that the transverse elasticity and the moisture absorption and conduction functions are coordinated; in the process level, precise weaving is achieved through an AI tension control system and a magnetic suspension weft insertion technology, and the stress distribution of the fabric better conforms to the human motion law in combination with a digital twinning optimization bionic sine wave structure; the fiber damage is avoided by adopting a supercritical CO2 anhydrous dyeing and finishing technology; and finally, the conductivity and the wear resistance are improved through graphene nanosheet padding treatment. According to the invention, integration of high elasticity, high durability and intelligent response is realized.

The invention provides a preparation method of a bionic double-layer aerogel thermal fabric, which comprises the following steps: S1, weaving a double-layer texture fabric, selecting superfine polyester as warp yarns and aerogel modified polyester and spandex as weft yarns in a surface texture, and selecting modal fibers as warp yarns and weft yarns in a lining texture; s2, performing low-temperature oxygen plasma treatment on one side of the inner texture of the double-layer texture fabric; s3, soaking the fabric subjected to plasma treatment in a finishing liquid containing cellulase for finishing; s4, after drying the finished fabric, soaking the fabric in a mixed finishing liquid containing protease / lipase for finishing to obtain a protease / lipase finished fabric; and S5, coating one side of the inner tissue of the fabric subjected to protease / lipase finishing with the salt-containing chitosan / waterborne polyurethane finishing liquid, drying, and washing to dissolve out salt, so as to obtain the warm-keeping fabric. According to the invention, material modification and structural design are combined, so that high-efficiency thermal insulation performance is realized.

The present invention relates to a method for preparing a valved artificial blood vessel. The valved artificial blood vessel is a tubular fabric with a valve inside, comprising an outer tube and an inner tube connected to each other. The outer tube is a cylindrical tube. When the inner tube is unfolded, it is composed of three identical quasi-rectangular shapes, the quasi-rectangular shapes differing from rectangles only in that the upper and lower edges are curved edges. The upper edges of the three quasi-rectangular shapes are free edges, while the lower edges and straight edges are respectively fixed to the inner wall of the outer tube. First, a pattern image of the valved artificial blood vessel is input into weaving CAD software, and then the design is set according to the fabric density. Then, a process is performed to match each part of the valved artificial blood vessel pattern image with the tissue in a needle organization table, thereby generating a pattern pattern in the weaving CAD software. Finally, the pattern pattern is imported into a loom system of a jacquard loom for integrated weaving to obtain the product. The seamless valved artificial blood vessel of the present invention does not suffer from stress concentration at the suture site, thereby greatly improving tear resistance.

The invention relates to the technical field of textile weaving, and discloses a multi-layer composite weaving method for worsted wool fabric, which comprises the following steps: preparing plush warp yarns, composite weft yarns and shaping warp yarns which are formed by blending various fibers; sequentially carrying out dyeing and sizing treatment on the yarns; a weaving machine is transformed to meet the multi-layer composite weaving requirement; applying the transformed weaving machine to implement multi-layer composite weaving, including warping, drafting and reed passing and weaving, and controlling corresponding process parameters; and carrying out on-line detection in the weaving process and quality detection on the woven gray fabric. The plush warp yarn, the composite weft yarn and the shaped warp yarn are formed by blending various fibers, the yarn performance is enriched, the plush warp yarn has the warm-keeping and soft characteristics, the composite weft yarn has the antibacterial and health-care functions, microorganism breeding is inhibited, the warm-keeping performance is improved, and human body microcirculation is promoted, and the shaped warp yarn enhances the strength and stiff and smooth degree. The overall quality of the worsted wool fabric is improved, and the market diversification requirements are met. The problem of performance limitation of a single fiber is solved.

A gas turbine engine component, comprises a densified three-dimensional woven ceramic matrix composite comprising the shape of the gas turbine engine component, the densified three-dimensional woven ceramic matrix composite further comprises a three-dimensional woven structure comprising a densified ceramic matrix disposed on, within and throughout a three-dimensional weave comprising at least one inorganic fiber comprising at least one multilayer coating material structure disposed thereupon, wherein the at least one multilayer coating material structure comprises at least one first interface coating material layer comprising a boron nitride; at least one coating material layer comprising a silicon nitride; at least one second interface coating material layer comprising the boron nitride; and at least one third interface coating material layer comprising a Si3N4-BN multilayer coating having one or more alternating layers comprising at least one layer of silicon nitride at a first thickness; and at least one layer of boron nitride at a second thickness.

The application discloses a light-weight moisture-conducting functional fabric and a preparation method thereof, and relates to the technical field of textiles.The light-weight moisture-conducting functional fabric comprises an inner layer and an outer layer, the inner layer is obtained by blending polyester fibers and nylon special-shaped cross-section fibers, and the outer layer is obtained by blending modified polypropylene fibers and hollow polyester fibers; the modified polypropylene fibers are obtained by melting and spinning the mixture of polypropylene chips and modified jade powder and then stretching; the prepared fabric not only has the characteristics of light weight and one-way moisture-conducting capability, can quickly discharge sweat outside the body, realizes dry and cool isolation between the skin and the outside world, and has multiple health protection functions such as persistent antibacterial property, efficient ultraviolet resistance and contact cool feeling.

The invention relates to the technical field of cotton and linen fabrics, in particular to a wear-resistant cotton and linen fabric and a preparation method thereof. The fabric is sequentially provided with a wear-resistant layer, a buffer layer and a base layer from outside to inside, the wear-resistant layer is formed by weaving cotton and linen blended yarns treated by finishing liquid, and the finishing liquid contains modified nano cellulose and PMMA microcapsules coating nano SiOparticles; the buffer layer is formed by weaving covering yarns formed by covering polyester filaments with flax, and the base layer is formed by weaving cotton and flax blended yarns. According to the scheme, through the synergistic effect of the three layers of composite structures, the modified nano cellulose forms a micro-convex structure to disperse friction stress, the microcapsules release nano SiO to achieve self-repairing when being abraded, and meanwhile the binding force of the material and the fibers is enhanced through a functional finishing process. The finally prepared fabric has high wear resistance, a self-repairing function and good air permeability and softness and is suitable for high-friction scenes, the service life of the fabric is prolonged, and comfort is improved.

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 relates to knitting-imitated jean fabric and clothes. The knitted-imitated jean fabric comprises warp yarns and weft yarns which are knitted in a staggered manner, the weave structure of the knitted-imitated jean fabric is a double-warp weave comprising a surface weave and an inner weave, the weave structure of the surface weave is at least one of a reinforced twill weave and a composite twill weave, and the weave structure of the inner weave is at least one of a plain weave and a rip weave; and in the tissue circulation of the surface tissue, the number of the warp tissue points is greater than or equal to 2. The knitted-imitated jean fabric can have better softness and comfort, yarn compactness and mechanical property at the same time.

Self-adaptive fabrics for space applications are provided. In one aspect, a fabric for use in space includes a structural fabric and a plurality of synthetic fibers woven into a self-adaptive fabric. The self-adaptive fabric is attached to the structural fabric. Each of the synthetic fibers includes a plurality of hollow cells containing a trapped gas. The synthetic fibers are formed of a material having a sufficient elasticity such that the diameter of each of the synthetic fibers is configured to increase when the environmental pressure decreases.

The utility model discloses an integrally formed buffer braid, which comprises a braid body formed by integrally weaving warps and wefts, the braid body comprises a weft elastic layer, a buffer layer and a covering layer which are integrally woven, the weft elastic layer has a weft retraction function, the edge of the covering layer is connected with the weft elastic layer, and the buffer layer is connected with the edge of the covering layer. The buffer layer is clamped between the weft-direction elastic layer and the covering layer, the weft-direction elastic layer pulls back the buffer layer and the covering layer in the weft direction, so that the buffer layer and the covering layer are in a contraction state to form an arch, the weft-direction elastic layer comprises weft yarns Y1, the covering layer comprises weft yarns Y3, the elongation at break of the weft yarns Y1 is larger than that of the weft yarns Y3, and the weft-direction elastic layer comprises weft yarns Y2 and weft yarns Y3. And the elongation at break of the weft yarns Y1 is greater than or equal to 150%. The woven tape has good buffering performance, the comfort and the attractiveness of the woven tape in use are improved, the types of the woven tape are enriched, and the woven tape can be widely applied to the fields of shoulder straps, shrouds, waistbands and the like.

A single-layer woven fabric is disclosed. On one surface of the woven fabric, protrusions and recesses are alternately distributed in the warp direction and / or the weft direction. The width W of the protrusions is 150-1200 μm, and the ratio K of the height H of the protrusions to the width W is 0.4-2.0, where the relationship is expressed as: K = H(μm) / W(μm). The single-layer woven fabric has an excellent knit-like appearance, good elasticity, outstanding snag resistance, and excellent wrinkle resistance. The fabric is comfortable to wear, and can be widely applied in the manufacture of business shirts, long skirts, jackets, and trousers.

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.

A webbing for use in a fall protection device, such as a self-retracting lifeline having leading edge capabilities, is provided having a double cloth construction with the exterior of the webbing constructed of woven, ultra-high molecular weight polyethylene yarns and having stuffer yarns positioned in the interior of the fabric, wherein the stuffer yarns are made of high-tenacity fibers, such as aramid fibers.

The invention discloses a seamless garment production method with a multi-layer jacquard effect, which comprises the following specific steps: S1, selecting fiber characteristics according to garment purposes, and selecting a spinning process according to the fiber characteristics; s2, designing a multi-layer jacquard pattern by using professional design software, and adjusting the proportion and position of the pattern in combination with a garment model; s3, selecting an electronic jacquard machine or a jacquard machine to weave the multiple layers of jacquard patterns; s4, the patterns are detected in real time in the weaving process, the types, sizes and directions of defects are judged after algorithm analysis, and classification marking is carried out; according to the method, in the weaving process, the tension parameter of the yarn is monitored in real time, the yarn tension is adjusted, the weaving efficiency is guaranteed, meanwhile, flaws in the pattern can be evaluated and classified, the flaws can be rapidly treated conveniently, and the pattern weaving precision is guaranteed.

The invention discloses a moisture power generation and thermoelectric power generation double-layer self-power-generation fabric and a preparation method and application thereof. The invention belongs to the technical field of self-generating fabric. The problems that in the prior art, a self-power-generating material is low in power generating efficiency and stability, and fabric flexibility is insufficient are solved. According to the invention, through the design of surface-inside binding double-layer weave, yarns loaded with moisture power generation materials and yarns loaded with thermoelectric power generation materials are prepared into double-layer self-power-generation fabrics, and the upper and lower fabrics are connected through electrodes to form a wet electricity and thermoelectric path. The double-layer self-generating fabric prepared by the invention has super flexibility and high generating performance and stability, and the generating capacity of the double-layer self-generating fabric is far greater than that of a single-layer generating material. Natural fibers or synthetic fibers are selected as the raw material yarns, the raw material sources are wide, the cost is low, and the prepared double-layer self-power-generation fabric is high and stable in power generation efficiency, beneficial to industrial production and suitable for being applied to the fields of wearable equipment and energy collection.

The present invention discloses a preparation method, obtained materials and applications of a 2.5D woven fabric composite material, wherein the preparation method adopts a woven fabric prepreg with a 2.5D interlayer angle interlocking structure as a reinforcing material, and performs cutting, paving and hot pressing. The 2.5-dimensional structured woven fabric has excellent interlayer performance and can solve the requirements for interlayer bonding force of composite materials (composite materials for automobiles, especially leaf springs) under complex driving conditions. At the same time, the thickness of the 2.5-dimensional structured woven fabric is thicker than that of traditional unidirectional or bidirectional fiber-reinforced prepreg materials, which can greatly reduce the number of single-layer prepregs to be laid, reduce the difficulty of laying, and improve preparation efficiency.

The utility model discloses flame-retardant furniture fabric which comprises a fabric body, the fabric body comprises double-layer fabric, the double-layer fabric is woven through double-layer weave, the double-layer weave comprises surface weave and inner weave, the surface weave and the inner weave are interwoven through binding weave to form the double-layer weave, the surface weave is used for weaving surface fabric of the double-layer fabric, and the inner weave is used for weaving surface fabric of the double-layer fabric. The surface layer fabric is formed by weaving one or more than two of polypropylene fiber, terylene and acrylic fiber in a mixed mode, the inner weave is used for weaving an inner layer fabric of the double-layer fabric, the inner layer fabric is formed by weaving polypropylene fiber flame-retardant yarn and pre-oxidized fiber flame-retardant yarn, the fabric body adopts the double-layer fabric, the inner layer fabric is formed by weaving polypropylene fiber flame-retardant yarn and pre-oxidized fiber flame-retardant yarn, and the fabric body adopts the double-layer fabric. The double-layer fabric has flame retardance, the flame retardance of the furniture fabric is improved, the surface-layer fabric is formed by weaving one or more than two of polypropylene fibers, polyester fibers and acrylic fibers in a mixed mode, the surface-layer fabric has skin-friendly performance, and better comfort can be brought to a human body.

The present invention provides a fire-fighting protective clothing for firefighters, comprising: an outer fabric and a comfort fabric; wherein, the outer fabric is a double-layer tissue woven fabric, including a fabric surface layer and a fabric inner layer; the thermal protection performance after the combination of the outer fabric and the comfort fabric is greater than or equal to 28 cal / cm<supgt;2< / supgt;. The fire-fighting protective clothing for firefighters of the present invention can effectively reduce the combined weight of the protective clothing, has high heat insulation efficiency, and can also meet the requirements of easy operability, moisture permeability, and individual safety protection in high-temperature environments.

The invention provides a sterilizing, breathable, self-liquid-absorbing and anti-adhesion dressing and a preparation method thereof. The dressing comprises a hydrophobic inner layer and a hydrophilic surface layer, the hydrophilic surface layer is formed by weaving hydrophilic warp yarns and surface layer weft yarns; the hydrophobic inner layer is composed of a plurality of juncus effuses which are uniformly distributed along the weft direction; and the junci medulla and the warp yarns of the hydrophilic surface layer are fixed through a specific binding double-layer weave weaving structure. Through a specific fabric weave structure weaving method and mutual cooperation of different layer structures and raw materials, the junci medulla is firmly fixed to the hydrophobic layer, and the high-performance dressing of a specific structure is obtained; the dressing is reasonable in design and simple in structure, facilitates absorption of wound moisture, promotes wound healing, has a good anti-inflammation effect, and can be widely applied to anti-inflammation and binding materials of trauma such as surgical incisions, burns and scalds and repair of wound surfaces.

The application relates to the technical field of functional textiles, and discloses a multifunctional biological functional textile based on traditional Chinese medicine and a use method. The textile body is woven by using a biological functional composite fabric, the fabric is sequentially provided with an inner skin-friendly layer, a first functional layer, a second functional layer and an outer fixed-essence layer from inside to outside, the four layers are integrally interlaced to form a porous crosslinking composite structure with through-hole channels, the fabric is provided with a meridian-targeting functional area corresponding to the surface projection of human body meridian acupoints, and the modified fiber proportion in the functional area is 2-5 times that of the corresponding layer of a non-functional area. The modified fiber preparation, layered yarn warping, integrated layered weaving, setting and post-finishing are completed, and the differentiated functional structure can be formed in one step. The textile can be made into products such as waist protectors, health socks and neck protectors, can realize targeted enrichment and synergistic conduction of functional materials, has the functions of long-acting, wearing comfort and biological safety, and is suitable for the daily health intervention needs of sub-healthy people.

This curtain-type light-shielding fabric for a vertical blind comprises: one light-transmitting part (130) capable of transmitting light; a first light-shielding part (110) which is arranged on one side of the light-transmitting part (130) to be attached or coupled to the light-transmitting part; and a second light-shielding part (120) disposed on the other side of the light-transmitting part (130) to be attached or coupled to the light-transmitting part, wherein a front surface (110a) of the first light-shielding part (110) and a rear surface (120b) of the second light-shielding part (120) are formed of a first color (A), and a rear surface (110b) of the first light-shielding part (110) and a front surface (120a) of the second light-shielding part (120) are formed of a second color (B), and the first color (A) may be different from the second color (B).