877results about "Multi-ply fabrics" patented technology

Embodiments described herein generally relate to textile structures comprising core spun yarns, and associated methods for manufacturing. One example embodiment is a textile structure including one or more layers of warp yarns interwoven with one or more layers of weft yarns, wherein at least one of the one or more layers of warp yarns and one or more layers of weft yarns include one or more core spun yarns.

The invention relates to the field of aramid fabric recycling and reusing, in particular to a method for preparing flame-retardant shielding military tent fabric by recycling waste aramid fabric, which comprises the following steps: step 1, treating the waste aramid fabric with ionic liquid; 2, opening the aramid fabric and recycling aramid fibers; step 3, preparing regenerated flame-retardant prefabricated filaments; step 4, preparing tent base cloth; and step 5, preparing the heat-insulating shielding military tent fabric. Starting from multiple dimensions of aramid fiber recycling and reusing, micro-nano flame-retardant fiber preparation, fabric structure design, functional finishing and the like, more than 98% of flame-retardant viscose and aramid fiber in the aramid fiber blended fabric are recycled and utilized at high value, and the military tent fabric finally developed has the advantages that the flame-retardant viscose and the aramid fiber in the aramid fiber blended fabric are recycled and utilized at high value; the composite material integrates multiple functions of shielding and wave absorbing (the shielding rate is 72dB, the reflectivity is 34.32 dB, and the effective bandwidth is 13.8 GHz), flame retardance, heat insulation, water resistance, oil repellency, air permeability, moisture permeability, weather resistance, softness, durability and the like, and can be used for developing military tents.

Binding warps have first and second binding warps arranged vertically in a pair and a third binding warp forming knuckles passing above upper surface side wefts. Upper surface side warps include an upper surface side collapsing yarn forming a pair with the third binding warp. The upper surface side collapsing yarn passes below the wefts and collapses a part of the upper surface side obverse surface texture at a position where the third binding warp forms knuckles on the wefts. The pair formed by the first and second binding warps complement each other while the pair formed by the third binding warp and the upper surface side collapsing yarn complement each other. Thereby, the pair formed by the first and second binding warps and the pair formed by the third binding warp and the upper surface side collapsing yarn form the same weaving pattern for the wefts in a weave repeat.

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.

The utility model discloses a double-layer twisted hole fabric and a vamp, and relates to the technical field of doup heald fabrics. The double-layer reamed fabric comprises a fabric body, the fabric body is divided into a surface layer and a bottom layer, a separated reamed layer is arranged in any local area of the surface layer and the bottom layer, the two reamed layers form a double-layer structure, a plurality of reamed holes are formed in each reamed layer, a hollowed-out through hole structure is formed in each reamed layer through a hollowed-out leno weave, and the structures of the two reamed layers are the same or different. Reamed holes overlapped with the other layer body are displayed from one side of the surface layer or the bottom layer through the hollowed-out through hole structure. According to the double-layer reamed fabric disclosed by the utility model, the textures with the same or different reamed hole shapes on two sides are realized by part of the warp yarns and the surface layer weft yarns as well as part of the warp yarns and the bottom layer weft yarns through a leno weave process of reeled brown, and the structural style formed by overlapping the two reamed hole layers can be seen from any side of the surface layer and the bottom layer.

The invention relates to a multi-layer woven fabric having a central region which contains a first woven layer, a second woven layer, and a plurality of connecting yarns. The plurality of connecting yarns connect the first woven layer and the second woven layer and each connecting yarn has a stitching pattern that contains a first weave section, a crossover section, and a second weave section. Within the first weave section, each connecting yarn is interwoven only with the first warp. Within the crossover section each connecting yarn is not interwoven with any yarns of the multi-layer woven fabric. Within the second weave section, each connecting yarn is interwoven only with the second warp yarns of the second woven layer.

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 invention relates to an airbag which is configured to be set from an uninflated state into an inflated state by an inflation operation to protect an occupant of a vehicle, the airbag comprising at least two fabric layers which are connected to one another in such a way that at least a first airbag chamber and a second airbag chamber being separate from the first airbag chamber are formed. According to the invention, it is further provided that the fabric layers are connected to one another so that the first airbag chamber and the second airbag chamber can be set independently of each other from the uninflated state thereof into the inflated state thereof, respectively, and the first airbag chamber, starting from uninflated state thereof, curves outwardly during a first inflation operation of the first airbag chamber and / or forms a tubular shape with an oval or circular cross-section at least in portions in the inflated state of the first airbag chamber, and thereby an overlapping portion, preferably an outer overlapping portion, of the second airbag chamber in the uninflated state thereof or in the inflated state thereof overlaps, preferably radially overlaps, an overlapping portion, preferably an inner overlapping portion, of the first airbag chamber.

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 layered materials, and discloses a light, thin, sweat-guiding and quick-drying double-layer woven fabric with a skin-core structure and a preparation method and application of the light, thin, sweat-guiding and quick-drying double-layer woven fabric. The preparation method of the light, thin, sweat-guiding and quick-drying double-layer woven fabric with the skin-core structure comprises the following steps that functional polyester fibers and polypropylene fibers are blended into skin layer first yarn; the first skin layer yarn is subjected to laser drilling to form a micropore structure, and the pretreated first skin layer yarn is obtained; functional cotton fibers, superfine polyethylene fibers and temperature control fibers are blended into core layer second yarns; the pretreated skin layer first yarn and the core layer second yarn are woven into the light, thin, sweat-guiding and quick-drying double-layer woven fabric with the skin-core structure through the double-layer plain weaving technology. The light and thin sweat-guiding quick-drying double-layer woven fabric with the skin-core structure not only has excellent moisture absorption, sweat releasing and quick-drying performance, lasting antibacterial performance and ultraviolet resistance, but also has the light and thin characteristic, and can be used in the fields of sportswear, outdoor equipment, military protection and the like.

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.

The present invention provides a lightweight micro-nano porous three-dimensional high-heat protective material and a preparation method thereof. First, a heat-expandable microsphere foaming agent and a nano-sol composite smoke suppression flame retardant are added to a cellulose ionic liquid solution to prepare a flame-retardant prefabricated fiber; then, the flame-retardant prefabricated fiber is mixed with a high-performance flame-retardant fiber, a flame-retardant water-absorbing fiber and a flame-retardant hydrophobic fiber respectively to spin different blended yarns; then, the blended yarn is used to weave a multi-layer three-dimensional base fabric with a flame-retardant outer layer, a super water-absorbent layer in the middle, and a hydrophobic comfort layer in the inner layer; finally, the base fabric is subjected to high-temperature heating after being subjected to a nap treatment, so that the heat-expandable microsphere foaming agent in the fiber matrix is ​​expanded by heat to obtain a lightweight micro-nano porous three-dimensional high-heat protective material. The preparation process of the present invention is short, green and environmentally friendly, and easy to industrialize. The prepared protective material is lightweight, has excellent smoke suppression and flame retardancy, and has excellent heat insulation and moisture absorption properties, is comfortable to wear, and can be widely used in the development of lightweight high-heat protective clothing in high-temperature industries such as firefighting, smelting, and petrochemicals.

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.

A forming fabric tape for a machine for producing or processing a fiber material web, the forming fabric tape including an upper fabric layer including upper longitudinal threads and upper transversal threads woven into the upper longitudinal threads; and a lower fabric layer including lower longitudinal threads and lower transversal threads woven into the lower longitudinal threads, wherein the upper fabric layer and the lower fabric layer are arranged on top of one another so that the upper fabric layer is oriented towards the fiber material web and the lower fabric layer is oriented away from the fiber material web, wherein the upper longitudinal threads are offset from each other unevenly, wherein the upper longitudinal threads are arranged so that average distances of the upper longitudinal threads have the following sequence which is repeated continuously in the transversal direction of the fabric tape: large distance, large distance, small distance.

The invention belongs to the technical field of hemp double-layer fabrics, and relates to a production method of a moisture-absorbing and quick-drying hemp double-layer fabric. After the hemp fibers are pretreated, the surface structure is improved, the hydrophilicity is enhanced, sweat and moisture discharged by a human body can be rapidly absorbed, and the skin is kept dry and comfortable; the hemp blended yarn is spun by introducing moisture-conducting and quick-drying fibers, so that moisture can be quickly conducted and evaporated in the fabric, the quick-drying speed of the fabric is increased, and the wet feeling and discomfort are reduced; the spun silk fibers are introduced, so that the comfort of the fabric is improved, and meanwhile, the fabric has good hand feeling and comfort and does not irritate the skin.

The invention relates to the field of fabrics, in particular to a highly wear-resistant and waterproof fabric for outdoor use and a travel bag prepared therefrom. Nylon fiber and polyester fiber are selected as first warp threads and first weft threads, and the warp and weft threads are interwoven to obtain a base fabric; hemp fiber and nylon fiber are blended as second warp threads, and the blended fibers are interwoven with second weft threads of one of basalt fiber, bamboo charcoal fiber and hemp fiber to obtain a reinforced fabric; the base fabric and the reinforced layer are woven together by using nylon fiber to obtain a fabric body; the fabric body is subjected to a double-immersion and double-rolling treatment by using a fluorine-free waterproof finishing liquid, and then subjected to a light curing treatment.

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.