300 results about "Plain weave" patented technology

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 discloses a carbon fiber exoskeleton swing arm and a preparation method thereof, and belongs to the technical field of exoskeleton production and manufacturing. According to the carbon fiber exoskeleton swing arm and the preparation method thereof, integrated forming of the material and the structure of the special-shaped hollow exoskeleton swing arm is achieved, and the overall structural strength and rigidity are guaranteed; compared with a traditional metal material, the carbon fiber exoskeleton swing arm can achieve about 30% weight reduction under the condition that the use load is met, the overall weight of exoskeleton equipment is effectively reduced, the load on a wearer is reduced, and meanwhile the endurance time of the exoskeleton equipment is prolonged; the carbon fiber exoskeleton swing arm is prepared by taking a carbon fiber composite material as a raw material and has the advantage of light weight, the material and the structure are integrally formed, the overall strength is high, the anti-fatigue performance is excellent, meanwhile, the appearance surface is smooth, and the attractiveness is improved due to surface plain weaving and warp and weft staggering.

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 utility model relates to the technical field of cloth, and discloses waterproof antistatic coated cloth which comprises a base cloth layer, a plurality of high-strength nylon fibers are fixedly connected to the right side of the inner wall of the base cloth layer at equal intervals, a plurality of cotton fibers are fixedly connected to the top walls of the high-strength nylon fibers, a polyurethane layer is fixedly connected to the top walls of the cotton fibers, and the polyurethane layer is fixedly connected to the right side of the inner wall of the base cloth layer. The top wall of the polyurethane layer is fixedly connected with an antistatic layer, the inner wall of the antistatic layer is fixedly connected with a plurality of conductive fibers, the top walls of the conductive fibers are fixedly connected with a plurality of reinforcing ribs, and the top walls of the reinforcing ribs are fixedly connected with a fluorocarbon resin layer. According to the waterproof antistatic fabric, the basic strength and the softness of the fabric are ensured by the base fabric layer which is interwoven in a plain weaving manner, and the fabric obtains a preliminary waterproof effect under the coating of the polyurethane layer, so that the final waterproof effect and the final antistatic performance are obtained under the connection of the conductive fibers and the fluorocarbon resin material.

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 utility model provides a moisture-absorbing quick-dry fabric, which comprises a surface yarn and a first ground yarn, the surface yarn and the first ground yarn are woven to form a plaiting plain weave, the surface yarn is a blended yarn formed by blending cotton fibers and hollow polyester fibers, and the first ground yarn is an elastic yarn. The fabric obtained by weaving the first ground yarn and the surface yarn in a matched mode has good elasticity, meanwhile, the first pure cotton fiber is woven with the hollow polyester fiber and the first pure cotton fiber blended yarn, the first pure cotton fiber is high in moisture absorption capacity and is a porous substance, molecules in the first pure cotton fiber are irregularly arranged, and the molecules contain a large number of hydrophilic structures; the porous polyester fiber is a novel empty pulp fiber with a dissolved hollow structure and a groove channel and is provided with a loofah-pulp-like intricate and continuous throat dissolved hollow structure and a groove channel, the hollow structure enhances the capillary effect when the fabric absorbs water, sweat can be rapidly absorbed by the fabric and diffused and transferred to the outer surface of a garment to be evaporated, and the skin is kept dry and comfortable continuously.

The invention relates to the technical field of textile engineering, and discloses a cationic yarn-based antibacterial wear-resistant yarn-dyed fabric weaving process, which comprises the following steps of: selecting cationic yarns and double-six full-dull nylon yarns as raw materials; a seamless electronic jacquard knitting machine and a yarn feeding system are configured for knitting; stable conveying and accurate interweaving of yarns are controlled by setting the position of a yarn nozzle of a yarn feeding system and tension parameters; the knitted fabric is woven by adopting plain weave and darkness weave to form the knitted fabric with breathable micropores and double-color darkness patterns; dyeing the knitted double-color jacquard knitted fabric by adopting a low-temperature dyeing technology; the dyed fabric is subjected to online antibacterial and antistatic functional finishing; performing low-temperature short-time drying on the fabric subjected to functional finishing; carrying out hot melting, bonding and shaping on the dried fabric and the collar cloth; performing seamless laser cutting on the bonded and shaped access control button hole to obtain the overlock-free yarn-dyed fabric; and finally, carrying out quality detection on the yarn-dyed fabric subjected to laser thermal cutting.

The invention discloses a high-toughness schoolbag textile fabric and a manufacturing method thereof, and relates to the technical field of textile processing, and the manufacturing method comprises the following steps: mixing polyester staple fibers, cotton fibers and silver ion modified polyester staple fibers according to a mass ratio of 1: 0.8: 05, carrying out a blowing-carding process, opening and carding to obtain a mixed cotton web, drawing the mixed cotton web, and drying to obtain the high-toughness schoolbag textile fabric. The preparation method comprises the following steps: preparing a base cloth layer, spinning blended yarns through roving and spinning processes, weaving through an air jet loom to obtain a base cloth layer, weaving ultra-high molecular weight polyethylene fibers through a shuttleless textile machine in a plain weave manner to obtain a reinforcing layer, and weaving nylon 66 filaments through a water jet loom in a twill weave manner to obtain a surface layer base cloth. Through layered combination of the base cloth layer, the reinforcing layer and the wear-resistant surface layer, the reinforcing layer can effectively resist traction caused by the weight of daily books and reduce fiber fatigue damage, the wear-resistant surface layer can reduce abrasion damage to the surface of the schoolbag fabric caused by friction, cleaning or sliding friction and the like, and the service life of the schoolbag is prolonged.

The invention discloses a flexible pressure sensor and a manufacturing method thereof. The manufacturing method of the flexible pressure sensor comprises the steps that a base body, a plurality of conductive wires and a plurality of metal terminals are provided, and the base body is made of cloth; a plurality of conductive wires are arranged in the base body in a penetrating mode in a knitting, embroidering or plain weaving mode, and the plurality of conductive wires are arranged on the base body at intervals; corresponding to the conductive wires, the first ends of the metal terminals penetrate through the base body, the metal terminals are arranged to be electrically connected with the conductive wires, and each metal terminal is connected with one conductive wire; and pressing and fixing the first end of the metal terminal on the substrate to obtain the flexible pressure sensor. The method has the advantages of simple process, reliable yield, high efficiency, easy mass production and the like.

The invention discloses a high-torque high-flexibility transmission belt which is composed of an outer rubber layer, a middle reinforcing layer and an inner rubber layer, the outer rubber layer comprises, by weight, 60-80 parts of nitrile rubber, 20-40 parts of polyurethane, 1-2 parts of an antioxidant and 5-15 parts of a reinforcing agent, and the reinforcing agent comprises sulfonated cellulose nanowhiskers, lignosulfonate and graphene oxide; the middle reinforcing layer comprises 50-80 parts of carbon fibers and 20-40 parts of aramid fibers; the inner rubber layer comprises 70-90 parts of natural rubber and 30-50 parts of butadiene rubber; the preparation method comprises the following steps: mixing components of the outer rubber layer to obtain outer rubber; mixing the components of the inner rubber layer to obtain inner rubber; the components of the middle reinforcing layer are woven into plain weave fabric; the plain weave fabric is pressed on the inner-layer rubber, the outer-layer rubber covers the plain weave fabric, a belt blank is obtained through hot pressing, the belt blank is cooled and shaped, and the transmission belt prepared from the components through the method has high torque and high flexibility.

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 utility model discloses a shading fabric which comprises first areas, second areas and a base cloth area, the first areas and the second areas are alternately arranged in the fabric breadth direction, the first areas are connected with the base cloth area, the second areas are connected with the base cloth area, each first area comprises two first convex areas and two first concave areas, and each first convex area comprises two first convex areas and two first concave areas. Each second area comprises two first rectangular areas and two second rectangular areas, the first convex areas and the first concave areas are square, and the first rectangular areas and the second rectangular areas are rectangular. According to the utility model, the two weaves and the plain weaves are connected and interwoven to form the rectangular and square alternate arrangement, so that the structure of the fabric is relatively compact, and the rectangular and square surfaces are concave-convex, so that light rays can be reflected for multiple times at different angles, the path length of the light rays on the surface of the fabric is increased, and the direct penetration of the light rays is reduced; therefore, the shading effect of the fabric is improved.

The invention relates to the field of wool spinning, and particularly discloses a high-count single-warp single-weft Sirofil light and thin fabric and a preparation process thereof.The preparation process comprises the following preparation steps that S1, wool with the fineness of 17.5 and 2D polyester are blended according to the proportion of 64 / 36, and wool-polyester blended yarn is prepared; s2, taking 30D / 1 elastic filaments as core yarns, taking wool-polyester blended yarns as outer-layer wrap yarns, and performing compact sirofil spinning to obtain about 60 / 1 single yarns; s3, weaving the single-yarn plain weave into finished cloth of 104 g / m < 2 >; s4, the finished fabric is subjected to after-finishing, and the light and thin fabric is obtained. The wool-polyester blended yarns are amino silane coupling agent modified blended yarns, and the elastic filaments are carboxymethyl chitosan modified spandex. Yarns made of the high-count single-warp single-weft sirofil light and thin fabric are high in strength, smooth and not prone to washing shrinkage, and the performance of the high-count single-warp single-weft light and thin fabric is improved.

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 seamless continuously-formed knitted one-piece panty-hose comprises a first sock leg, a panty body and a second sock leg which are sequentially formed at a time. The pant body comprises a plain weave base layer formed by weaving basic yarns, and a floating thread weave and / or tuck weave plaiting layer formed by adding additional yarns on the base layer for weaving; and at least one part of the plaiting layer is a high-tension adjusting layer, so that the crotch part of the pants body presents a concave curved surface in a natural state. According to the obtained one-piece panty-hose, no seam is generated, and the problems that in the prior art, the seam affects the attractiveness and brings discomfort to a wearer are solved; due to the design of the high-tension adjusting layer, the problems of crotch falling, non-fitting and the like of the one-piece pantyhose are effectively solved; the product is further provided with a local tension reducing structure, so that the shape of the product is improved, and meanwhile, the product is more fit to wear.

The application provides a production process of a warp interlocking terry fabric, which adopts four guide bars to weave, weaves GB1 warp plain weave, and pads yarns on needles of a base cloth in even courses and pads yarns on empty needles in odd courses; GB2 weaves weft insertion weave in even courses, the needle back transverse movement direction of the weft insertion comb is the same as that of the loop comb in even courses of GB1, and GB2 weaves loop weave in odd courses; GB3 weaves chain stitch weave; and GB4 weaves weft insertion weave.The process of the application produces twice as many terry loops as conventional loop shedding methods and weft shedding methods, and the terry loops interlock to form a three-dimensional structure; GB1 and GB2 adopt fibers with good water absorption such as super fine fibers to improve the cleaning effect of the terry fabric; the three-dimensional structure of the fabric has a decorative effect, GB1 and GB2 adopt fancy yarns to form a pattern effect; and GB1 and GB2 adopt yarns with good warmth retention such as cotton yarns, so that the terry fabric has both warmth retention and heat dissipation performance.

The invention belongs to the technical field of textile materials, and particularly relates to a PLA fiber ultraviolet-proof woven fabric and a preparation method thereof. According to the invention, the TiO2-coated SiO2 composite light stabilizer with a core-shell structure is constructed and surface hydrophobic modification is carried out on nano ZnO, so that the contradiction between efficient ultraviolet protection and long-term stability is synergistically solved from the source of the material, and the high efficiency and durability of the ultraviolet protection function are ensured. By combining the special-shaped interface fiber design and the variable square plain weave or honeycomb weave, the unification of physical shielding and wearing comfort is realized, and the sustainable ecological fiber PLA completely replaces the petroleum-based fiber, so that the biodegradable foundation is fundamentally laid, and the application prospect is wide. The adopted inorganic nano screening agent is stable and safe in chemical property, a traditional post-treatment process containing toxic substances is abandoned in the processing process, mild and environment-friendly technologies such as biological enzyme desizing are adopted, white pollution is avoided, and perfect fusion of high performance and environment friendliness is achieved.

The invention discloses an environment-friendly ultrathin electronic packing material fabric and a production process thereof, the fabric is formed by warp knitting regenerated polyester DTY (draw textured yarn) and regenerated high-shrinkage FDY (fully drawn yarn), the structure of the fabric is a double-comb tricot stitch, the yarn laying number of a guide bar GB1 is 1-0 / 1-2 / / , and the yarn laying number of a guide bar GB2 is 1-2 / 1-0 / / ; the thickness of the fabric is not larger than 0.35 mm, the number of yarns in unit square centimeter is not smaller than 80000, and the height of fluff on the back face of the fabric is 0.1-0.3 mm. The high-quality electronic packaging material fabric which is ultrathin, high in density, soft, smooth, low in writing feeling, firm in edge and environment-friendly in the whole process is prepared through a more simplified process by combining the innovative process combination of'white body napping, refining shrinkage and shearing 'and the environment-friendly hot trimming technology through raw material and tissue structure design.

The present application relates to a kind of carbon fiber composite material actuator fiber layup structure, the actuator includes look as actuator cylinder, oil pipe and piston rod;Actuator cylinder and piston rod matrix use carbon fiber composite material;Oil pipe is wound carbon fiber composite material on metal matrix as reinforcing layer;The innermost layer of the fiber layup structure of the actuator cylinder is carbon fiber unidirectional tape 90 ° layup, second layer is carbon fiber 0 ° / 90 ° layup, third layer is carbon fiber ± 45 ° layup, the outermost layer is laid 3K plain weave;The innermost layer of the fiber layup structure of the piston rod is wound 3K plain weave after 90 ° winding carbon fiber unidirectional tape, middle layer is in turn 0 ° laid carbon fiber, 90 ° winding carbon fiber, 0 ° laid carbon fiber;The outermost layer is laid 3K plain weave;The innermost layer of the fiber layup of the oil pipe is 90 ° wound carbon fiber forming, outer layer is laid 3K plain weave.

The utility model discloses a flame-retardant zipper, belongs to the technical field of zippers, and solves the problem that zipper teeth and a puller in the zipper are exposed outside and are easy to deform in a high-temperature environment. Comprising a first connecting piece and a second connecting piece, a chain belt is fixedly connected to the first connecting piece, a loop ring is fixedly connected to the second connecting piece, the chain belt penetrates through the position between the loop ring and the second connecting piece, the chain belt is curled to be in a C shape, a pull head is arranged between the two tail ends of the chain belt, the pull head is located between the first connecting piece and the second connecting piece, and the chain belt is made of flame-retardant materials. The zipper teeth and the puller are all wrapped inside by the zipper belt, the puller and the zipper teeth are prevented from making direct contact with open fire, the heat exchange rate between the puller and the zipper teeth and the outside is reduced, the puller and the zipper teeth are prevented from being damaged, the service life of the zipper is guaranteed, the zipper belt forms a plain weave, and the strength of the zipper belt is improved.

A kind of double unit three-dimensional woven spacer fabric, and its composite material and preparation method, warp yarn includes upper layer warp yarn and lower layer warp yarn;Weft yarn includes upper layer weft yarn, lower layer weft yarn, in-layer weft yarn between upper layer weft yarn and lower layer weft yarn and functional weft yarn;Spacer yarn includes spacer yarn I and spacer yarn II;Two groups of upper layer warp yarn and upper layer weft yarn are woven to form upper layer fabric;Two groups of lower layer warp yarn and lower layer weft yarn are woven to form lower layer fabric;Spacer yarn I and spacer yarn II and upper layer weft yarn and lower layer weft yarn are woven to form spacer fabric;In-layer weft yarn and spacer yarn are woven to form rectangular structure unit;Functional weft yarn and spacer yarn are woven to form functional unit.In the present application, functional weft yarn and spacer yarn are woven in plain weave structure, realize the fixation of functional unit in cavity, protected by upper and lower panel;In-layer weft yarn and spacer yarn are woven with plain weave structure, form rectangular structure unit perpendicular to upper and lower panel, realize the separation protection of functional unit group, provide mechanical bearing performance.

According to the double-color looped pile hook and loop fastener with the longitudinal strip staggered looped pile blocks, the hook and loop fastener comprises a plurality of complete circulation units in the longitudinal direction; the hook-and-loop fastener at least comprises a first longitudinal strip and a second longitudinal strip which are connected in sequence in the transverse direction. The first longitudinal strip extends in the longitudinal direction and forms a first plain weave block and a first looped pile block in the longitudinal direction in a spaced mode. The second longitudinal strip extends in the longitudinal direction and forms a second plain weave block and a second looped pile block in the longitudinal direction in a spaced mode. The first looped pile blocks of the first longitudinal strip and the second looped pile blocks of the second longitudinal strip are arranged in a staggered mode in the longitudinal direction; a plurality of first-color looped piles are formed on the surface of the first looped pile block, a plurality of second-color looped piles are formed on the surface of the second looped pile block, and the first-color looped piles and the second-color looped piles are different in color. According to the invention, the whole surface of the magic tape presents a star blinking flash phenomenon, the magic tape is distinct in appearance contrast, beautiful and beautiful, and the use aesthetic feeling and the added value of the magic tape are greatly increased.

The present application relates to the technical field of preparing plastic-steel composite materials for new energy vehicles, in particular to a plastic-steel PPS composite material and its preparation process. A plastic-steel PPS composite material comprises a modified PPS matrix resin and at least one aramid fiber-based woven fabric compounded within the modified PPS matrix resin, wherein the aramid fiber-based woven fabric is a warp-weft knitted structure of a plain weave, wherein the warp threads in the aramid fiber-based woven fabric at least include aramid fibers, and the weft threads at least include aramid fibers; the modified PPS matrix resin comprises the following raw materials in parts by weight: 100 parts of PPS resin, 5-20 parts of hyperbranched PPS resin, 50-70 parts of a filler composition, 0.5-2 parts of a dispersant, and 1-3 parts of an anti-aging agent. The present application has good thermal stability, chemical corrosion resistance, electrical properties, wear resistance and flame retardancy, while also having good impact toughness and mechanical strength, and can meet the use requirements of battery casing materials.

The invention relates to a high-elasticity fabric with high dimensional stability, which comprises a fabric body, a bonding layer and an elastic fabric layer, the fabric body sequentially comprises a skin-friendly layer, an elastic connecting layer and a thermal insulation layer from top to bottom; the skin-friendly layer, the elastic connecting layer and the heat preservation layer are woven into a whole through weft knitting air layer tissue. The bottom end of the fabric body is fixedly connected with the top end of the elastic fabric layer through the bonding layer; the skin-friendly layer is formed by weaving wrap yarns, core yarns of the wrap yarns are spandex filaments, and yarn skins of the wrap yarns are blended yarns formed by uniformly mixing and spinning far infrared heating acrylic fibers / antibacterial viscose fibers; the elastic connecting layer is formed by weaving SORONA monofilaments, the heat preservation layer is formed by weaving hollow polyester filaments, and the elastic fabric layer is formed by vertically interweaving warp yarns and weft yarns in a plain weave structure; the fabric is high in size stability, good in environmental protection property and good in skin-friendly heat retention property.

The invention discloses an antibacterial and breathable cotton yarn textile fabric for mothers and infants and a preparation method of the antibacterial and breathable cotton yarn textile fabric, and relates to the technical field of textile fabrics, the antibacterial and breathable cotton yarn textile fabric comprises an inner woven layer, a middle woven layer and an outer woven layer, the inner woven layer is made of 80S fine-count cotton yarn and combed cotton which are subjected to enzyme treatment and microcapsule coating, and double-layer plain weave and mesh jacquard weave are adopted for tight weaving; the weaving density is 120 yarns per square centimeter, the middle weaving layer adopts 40S cotton yarns and adopts a loose honeycomb weave structure for weaving, the weaving density is 60 yarns per square centimeter, the outer weaving layer adopts 50S cotton yarns and adopts twill weave for weaving, the weaving density is 90 yarns per square centimeter, the cotton yarns adopt Xinjiang long stapled cotton, and the cotton yarns adopt cotton yarns and twill weave. And the fiber length is 35mm. By changing the weaving density and the multi-layer weaving structure and other means, perfect combination of antibacterial performance and air permeability is achieved, double-layer plain weave and mesh jacquard weaving are achieved, the surface layer is compact and antifouling, and air circulation is promoted through the inner-layer mesh structure.

A high-temperature resistant lightweight composite material, its preparation method, and its applications are disclosed, relating to the field of composite material technology. This invention solves the problems of existing materials where it is difficult to simultaneously achieve high temperature resistance and lightweight, low structural efficiency due to the separation of heat protection and load-bearing design, insufficient temperature resistance and toughness of the sandwich layer, and difficulties and high costs associated with large-size molding. The material comprises an integrated co-cured outer heat-resistant layer, an intermediate transition layer, and an inner load-bearing layer. The outer heat-resistant layer uses a modified epoxy / cyanate copolymer resin as the matrix and a high-silica glass fiber and carbon fiber blended fabric as reinforcement, with fumed silica and carbon nanotube fillers incorporated into the matrix resin. The intermediate transition layer is polymethacrylamide foam. The inner load-bearing layer uses an epoxy-modified cyanate ester resin as the matrix and a carbon fiber biaxial plain weave fabric as reinforcement. This invention can be used in rocket fairings, hypersonic vehicle skins, spacecraft reentry capsule thermal protection structures, hypersonic missile shells, aircraft engine nacelles, or high-speed train front fairings.

The present application relates to the field of flat knitting machine, and particularly relates to a weaving process based on a triangular system of computer flat knitting machine, which can realize the weaving functions of non-out needle, tuck knitting, new loop knitting, loop transfer, loop joining, rubber band tuck knitting and high-speed cylinder flat knitting on the same triangular system.

This invention discloses a novel carbon / carbon composite material crucible and its preparation method, belonging to the field of carbon / carbon crucible manufacturing technology. The method involves laying a carbon fiber modified mesh onto a plain weave fabric layer to obtain a composite unit layer. This composite unit layer is then laid layer by layer on the bottom and sidewalls of a mandrel and integrally formed by density-stepping needle punching, sequentially preparing the inner, middle, and outer layers of the crucible preform. After demolding the crucible preform from the mandrel, it undergoes curing, high-temperature pretreatment, chemical vapor infiltration densification, graphitization, and anti-oxidation coating protection to obtain the novel carbon / carbon composite material crucible. The density of the middle layer of the crucible preform is greater than that of the outer layer, and the density of the outer layer is greater than that of the inner layer. The novel carbon / carbon composite material crucible prepared by this invention has a uniform microstructure, stable performance, high density, and excellent mechanical properties, which helps to increase the thermal conductivity rate of the crucible, improve the heating efficiency of the product inside the crucible, and achieve energy saving and consumption reduction effects.

The invention belongs to the technical field of medical instruments, and discloses an integrated multi-module textile flexible urine controller which comprises a flexible textile supporting body, a flexible textile skin-friendly layer and a urine control core component. The flexible textile supporting body comprises a double-layer fabric unit; the upper-layer fabric in the double-layer fabric unit adopts a woven plain weave, and the lower-layer fabric in the double-layer fabric unit adopts a knitted tricot stitch; the urine control core component is arranged between the upper-layer fabric and the lower-layer fabric; the lower layer fabric is made of shape memory spandex filaments and can shrink under the driving of the body temperature of the human body, so that the urine control core component is forced to generate positive pressure on the urethra, and accurate urine control is achieved. Pressure is transmitted through contraction of the fabric below the urethra, damage caused by pressing of nerves and blood vessels above the penis is avoided, driving is conducted through the body temperature of the human body, and certain intelligence is achieved.