179 results about "Filament yarn" patented technology

The utility model discloses a yarn and knitted fabric for efficient short-process embedded spinning knitting, and relates to the technical field of spinning. Comprising a yarn core, outer wrapping part fibers are connected to the surface of the yarn core in a winding mode, and raw material fibers of the outer wrapping part fibers are one or a mixture of two or more of natural fibers, artificial fibers and synthetic fibers; the raw material fiber of the yarn core is pure yarn or blended yarn of filaments or short fibers.

A terry fabric includes a first side configured to exhibit absorbency capabilities and a second side configured to exhibit cooling capabilities. The first side can include a spun fiber loop including a plurality of pile warp yarn, and the second side can include a plurality of weft yarn and a plurality of ground warp yarn, wherein at least one of the plurality of weft yarn and the plurality of ground warp yarn includes synthetic filament yarn.

The invention discloses special cloth for a single-sided terry bath foaming towel and a weaving method of the special cloth. The terry cloth comprises a three-layer structure integrally woven by a warp knitting machine, wherein the three-layer structure comprises a base layer and 100D / 36F polyester filament yarn warp knitting chain weave; the binding layer is a 100D / 96F polyester filament chain stitch and penetrates through the substrate layer; the looped pile layer is of a vertical looped pile structure formed by 300D / 10F polyester filaments, the height of looped piles is 7-8 mm, and the density of the looped piles is 25-30 / cm; the thickness ratio of the base layer to the binding layer to the looped pile layer of the three-layer structure is 0.6: 1: 7. The three kinds of yarns with different thicknesses are combined to form a three-layer structure, the three-layer structure is directly formed through warp knitting, a traditional fuzzing roller is not needed for fuzzing, the upright performance of a looped pile is guaranteed, it is guaranteed that the looped pile does not generate monofilament breakage and is stable in structure, and the foaming performance and the weaving feasibility are balanced.

The application discloses a kind of bundled biaxial skin-core structure tensile yarn spinning processes, specifically including the following steps, step S1: one low modulus high elongation fiber filament one and one low modulus high elongation fiber filament two are unwound by active feeding roller, and are respectively fed into lower layer hollow spindle center tube one and lower layer hollow spindle center tube two, as two core filaments;Step S2: high modulus low elongation fiber filament one is wrapped on the surface of the core filament in positive helical line configuration at lower layer guide hook one;High modulus low elongation fiber filament two is wrapped on the surface of the core filament in reverse helical line configuration at lower layer guide hook two;Form biaxial skin-core structure covering yarn system, and pass through upper layer hollow spindle center tube;Step S3: at upper layer guide hook, the fiber filament yarn with excellent elastic elongation wound on upper layer hollow spindle is bound to the surface of the biaxial skin-core structure covering yarn system with low spiral covering density, to form bundled biaxial skin-core structure tensile yarn.

The invention relates to the field of textile fabrics, in particular to a multi-fiber all-in-one suede four-way stretch shark trouser warm-keeping suede fabric which comprises a weave 1 matched with weft plain stitch weave and made of nylon / polyester filament yarn core-spun elastic fiber spandex materials, a weave 2 adopting core-spun yarn of the weave 1 and matched with elastic spandex, and a weave 3 which is vertically connected double rib weave. Chemical fiber filaments and elastic fibers are adopted as connecting lines, and the weave 4 is a looped pile weave and is made of cellulose fibers with high hygroscopicity and excellent skin-friendly performance. Through the innovative combination of the weave 1 and the weave 4, the fabric has the multiple functions of fine appearance, four-side elastic property, bulge prevention, high elastic resilience, environmental protection, health, skin fitting, comfort, static resistance and the like, and meets the high requirements of underwear in autumn and winter for comprehensive performance.

Novel yarns for use in manufacturing fully sustainable textiles are provided. The yarns can be composite yarns made of two or more monofilament or multi-filament yarns, including an elastic core and a sheath disposed around the elastic core. Each of the core and the sheath are made of hydrocarbons (e.g., polyethylene and various derivatives thereof) and / or other fully-recyclable materials. The performance of the resulting yarns is on par with, if not better than, existing yarns, fabrics, and fibers with respect to tenacity, elasticity, and auxetic performance. As a result, textiles can be made from the yarns, and then the textiles themselves can be fully recyclable such that the textile can be recycled and then a new textile can be formed from the same materials of the old textile. Methods of formulating the yarns and textiles are also provided.

The utility model discloses a bundling device used after spinning and cooling of superfine denier polyester filaments, and relates to the technical field of bundling devices.The bundling device comprises a bundling plate, the bundling plate is connected with a plurality of carrying plates, each carrying plate is provided with a plurality of guide holes, the bottom of the bundling plate is connected with a bundling piece, and the number of the guide holes in every two adjacent carrying plates is larger than that of the bundling piece. The number of the guide holes closest to the bundling piece is smaller than the number of the guide holes farthest away from the bundling piece, each carrier plate is provided with an installation groove communicated with the corresponding guide hole, an installation block is installed in the installation groove and connected with two fixing blocks in a sliding mode, and the carrier plates are provided with fixing grooves for the corresponding fixing blocks to be clamped in. The mounting block is connected with a driving assembly used for driving the two fixing blocks to slide in the direction close to each other or away from each other. When the mounting block needs to be taken out of the mounting groove, the driving assembly drives the two fixing blocks to slide in the direction away from each other, so that the fixing blocks are separated from the fixing groove, the mounting block can be taken out of the mounting groove, and the dismounting efficiency of the mounting block is improved.

Interlock knit textiles and methods of forming and using interlock knit textiles are described. Three structural properties have been found to contribute to improved stretch properties in interlock knits. The three structural properties include the use of a unique knitted loop shape, the use of fine filament yarns, and the use of elasticated yarns having lower hysteresis than conventional elastane. The described interlock knit textiles can include one, two or all three of these structural properties. The improved stretch properties can include values for percent elongation or modulus in the length direction which are close to or the same as their values in the width direction.

A field emission (FE) cathode for a vacuum electronic device (VED) includes a graphite substrate or framework in the shape of a hollow cylinder, and at least one continuous carbon nanotube (CNT) fiber in tension or compression around at least a portion of the graphite substrate. The at least one continuous CNT fiber can include a filament, yarn, braided yarn, film, fabric, or combination thereof. The at least one continuous CNT fiber is secured to the electrically conductive substrate by vacuum brazing or any other suitable means.

The invention relates to the field of spinning, and particularly discloses a polyester filament yarn preparation process which comprises the following steps: drying polyester chips, mixing the dried polyester chips with a hydrophilic agent, carrying out melt spinning to form nascent fibers, adopting a linear spinneret plate during spinning at the spinning speed of 4000-6000 m / min, carrying out traction treatment, carrying out heat setting treatment, carrying out alkali treatment, and winding to obtain the polyester filament yarn. Preparing polyester filament yarns; wherein the hydrophilic agent is a mixture of PEG (Polyethylene Glycol) 2000 and PEG 400 in a mass ratio of 1: (2-3). The preparation method has the characteristic that the prepared polyester filament yarn has better hygroscopicity and more excellent mechanical properties.

The invention discloses a double-layer four-side elastic wool type jean fabric and a preparation method thereof, and belongs to the technical field of textiles. The double-layer four-side elastic wool type jean fabric comprises a surface layer and a skin attaching layer, the surface layer is a twill fabric surface formed by interweaving first warp yarn and weft yarn, and the skin attaching layer is an elastic base layer formed by interweaving second warp yarn and weft yarn; the double-layer four-side elastic wool type jean fabric further comprises edge weaves located on the two sides, each side is composed of 48 pieces of edge yarn, and a 2 / 2 warp rip weave is adopted. Wherein the second warp is polyester wrap yarn, first spandex in the polyester wrap yarn wraps the surface of polyester filament yarn in the Z twist direction, the twist range is 630-730 twists per meter, and the wrapping density is larger than or equal to 85%. The double-layer four-side elastic wool type jean fabric has the characteristics of high elasticity, durability, bacteriostasis, protection, softness and comfort.

This invention relates to the field of hollow polyester fiber technology, and discloses an octagonal star-shaped hollow polyester fiber and its preparation method, as well as a method for preparing filament yarn. The octagonal star-shaped hollow polyester fiber comprises a monofilament with a square ring cross-section and eight wing-like structures on its outer circumferential surface. These eight wing-like structures are evenly distributed on the four outer walls of the square ring, with unequal lengths on adjacent circumferentially adjacent outer walls. This invention uses wing-like structures of varying lengths on the outer circumference of the square ring, creating grooves of different depths on the fiber surface, forming capillary channels. Especially in the multifilament state, the special cross-section increases the gaps between monofilaments, improving bulkiness and air permeability. Furthermore, the large square space in the hollow portion facilitates mold design and processing, resulting in stable product performance, particularly maintaining the hollowness, thus providing better heat-shielding and insulation effects.

The invention belongs to the technical field of evaluation methods, and relates to a convolutional feature fused polyester filament yarn heather grey fabric appearance uniformity evaluation method, which sequentially comprises the following steps of: inputting an image I of a polyester filament yarn heather grey fabric into a pre-trained VGG16 network; extracting feature maps of the first convolution layer, the second convolution layer and the third convolution layer, calculating structural feature maps of all the feature maps, scaling the structural feature maps, multiplying the scaled structural feature maps point by point to obtain a fused structural feature map, calculating the value of an appearance uniformity evaluation index U based on the obtained fused structural feature map, and judging the appearance uniformity according to the value U. According to the method, effective fusion of the multi-scale texture information of the polyester filament yarn heather grey fabric is realized, the accuracy of uniformity evaluation is improved, the local change condition of the fabric texture can be reflected, and the subjectivity of manual evaluation is avoided.

Embodiments of the invention relate to flame resistant fabrics formed of a combination of filament and long staple yarns that exhibit excellent physical and thermal properties at relatively light weights.

The present invention discloses a method for preparing and applying high-performance chitosan fibers. The method involves dissolving chitosan and glycerol in a glutamic acid aqueous solution to prepare a spinning solution. Using a polyol and calcium chloride ethanol solution as a coagulation bath, the chitosan is slowly coagulated while undergoing ionic crosslinking, promoting orderly stacking of the chitosan molecules and facilitating subsequent stretching and orientation. Further coagulation and alcohol washing are then performed to remove the polyol, further compacting and ordering the chitosan molecules and enhancing the mechanical properties of the fiber. The resulting high-performance chitosan fibers can be used to manufacture fiber products such as filament yarn, spun yarn, batting, and non-woven fabrics, and have broad application prospects in the field of functional textiles.

The invention discloses a color spinning spray wool yarn production device and method, regenerated semi-dull polyester filament yarn is selected to be made into a mesh belt, red, green and blue blended rough yarn made of polyester, mohair and alginate fiber is used as a core, and the three kinds of rough yarn are fed through three independently-driven roller sleeves; feeding speed control of roving of different colors is achieved by controlling the rotating speed of each roller sleeve, the fed roving is beaten and opened by the first carding roller and then is carded and grabbed to obtain fiber bundles, the fiber bundles are carefully carded and grabbed by the second carding roller to obtain loose fibers, and the loose fibers fall through airflow flow generated in the mixing cup rotating at a high speed and the gravity of the loose fibers. The method comprises the following steps of: combining at a mixing ring with the largest diameter of a mixing cup for multiple times to obtain a color fiber cluster with a uniform mixing effect, completely blocking the color fiber cluster through an air hole at the mixing ring, then falling into a spray gun under the gravity of the color fiber cluster, and spraying into a fiber mesh belt formed by regenerated semi-dull polyester filaments driven by a needle cylinder under the high-speed air pressure of the spray gun; the color spinning spray wool yarn with the uniform color mixing effect is obtained.

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 waste gas purification treatment equipment for polyester filament yarn production, and belongs to the field of waste gas treatment.The waste gas purification treatment equipment comprises a purification bin, the upper surface of the purification bin is fixedly connected with a motor base, the upper surface of the motor base is fixedly connected with a driving motor, and the output end of the driving motor is fixedly connected with a first circular plate; an atomization assembly used for waste gas purification treatment is arranged at the bottom in the purification bin. According to the waste gas treatment device, a water pump can convey a medicament in a liquid storage tank into a rectangular atomizing pipe through a water pipe, then the medicament is sprayed out in an atomizing manner through the rectangular atomizing pipe, and at the moment, the atomized medicament is in contact with waste gas in a purification bin to remove harmful substances in the waste gas, so that the waste gas can be effectively treated; the treated waste gas is purified, deodorized and then discharged through a gas outlet pipe, an atomized medicament solution falls on the surface of a hopper-shaped frame and is collected into small water flow, and the water flow flows into a liquid storage tank to be recycled.

The utility model relates to the technical field of polyester filament yarns, and discloses a high-color-degree colored polyester filament yarn which comprises a supporting disc, a vertical rod is fixedly connected to the middle of the top side of the supporting disc, a limiting disc is slidably connected to the top of the outer wall of the vertical rod, and a sliding block is fixedly connected to the top of the limiting disc. A rotating disc is slidably connected to the outer wall of the top of the sliding block, a sliding groove is formed in the bottom of the rotating disc, a connecting rod is slidably connected to the interior of the sliding groove, a clamping strip is fixedly connected to the bottom of the connecting rod, clamping grooves are formed in the left side and the right side of the top of the outer wall of the vertical rod, and a winding cylinder is slidably connected to the outer wall of the vertical rod; first sliding grooves are formed in the left side and the right side of the top of the limiting disc. The winding cylinder is inserted into the outer wall of the vertical rod, the limiting disc is clamped on the vertical rod, the rotating disc is rotated, the sliding groove drives the connecting rod to move, the clamping strip is inserted into the top of the vertical rod, the winding cylinder is fixed, polyester filament yarn is conveniently collected, and working efficiency is improved.

The invention discloses a looped pile bath towel fabric with high foaming performance and a preparation method thereof, the looped pile bath towel fabric comprises a base cloth layer and a looped pile layer, the looped pile layer adopts chemically treated 300D / 10F polyester filament yarn to weave inclined looped piles with consistent height, the looped piles and the base cloth layer form an included angle of 30-45 degrees, regular triangular holes with side length of 0.5-1 mm are formed between adjacent looped piles, and the thickness of the looped pile layer is 1-5 mm. And the base cloth layer is made of 100D common polyester filament yarns. According to the invention, the coarse denier fibers are adopted and matched with the looped pile structure, so that the water-repellent and absorption-repellent bath foam characteristics of the fabric are obviously improved, and the fabric has high foaming performance. Coarse denier fibers are selected to be combined with a unique looped pile structure, so that a large amount of foam (geometric progression) can be quickly generated when the foaming looped pile fabric is used. The chemical treatment process further guarantees the bonding strength between the fibers and uniform covering of a film layer, the problems that traditional coarse denier fibers are poor in cohesive force and difficult to stably weave into loops are solved, and the foamed terry fabric has excellent durability and comfort while maintaining good foaming performance.

The invention discloses a polyester filament yarn network degree preprocessing system based on centrifugal separation, which relates to the technical field of separation, and is characterized in that an image acquisition control unit and an image screening unit are introduced into an image acquisition module, image acquisition is triggered only when the centrifugal device is in the stable rotating speed interval, and image frame shooting is carried out in a synchronous shutter mode; and the image screening unit further executes Laplace transformation on the original image frame to obtain an image definition score value, weighted judgment is carried out in combination with the marginal definition evaluation index of the structural region, and a frame of image with the optimal comprehensive quality is selected as a target image frame for subsequent analysis and processing. According to the above structure, dual control of original image acquisition opportunity and quality is realized, tow vibration and edge reflection interference are effectively reduced, and image structure stability and local feature retention rate are improved.

The invention relates to the field of new textile materials, and discloses a high-breathability waterproof fabric and a preparation method thereof.The fabric comprises a surface layer fabric, a functional middle layer and an inner layer fabric which are sequentially laminated and compounded; the surface layer fabric is a polyester filament yarn fabric finished by a self-crosslinking type fluoride-free water-repellent emulsion consisting of octadecyl acrylate, dodecyl methacrylate and N-hydroxymethyl acrylamide; the functional middle layer is a polytetrafluoroethylene microporous membrane coated with a moisture curing type hydrophilic polyurethane adhesive, and the raw materials of the adhesive comprise polyethylene glycol 2000, 2, 2-dimethylolpropionic acid and isophorone diisocyanate; and the inner-layer fabric is a superfine denier polyester fiber and bamboo charcoal fiber blended knitted fabric. The contradiction that the air permeability and the bonding fastness of the PTFE microporous membrane are difficult to consider at the same time is effectively solved through a gradient pressurization process, meanwhile, one-way moisture conduction is achieved through the inner-layer superfine fibers and the middle-layer hydrophilic component, and the PTFE microporous membrane has high hydrostatic pressure resistance, high moisture permeability and excellent washing fastness.

The utility model provides a one-way moisture-conducting weft knitting fabric which comprises a fabric body, the fabric body comprises inner layer yarn presenting a mesh jacquard texture and surface layer yarn presenting a plain texture, the surface layer yarn is formed by weaving 75D / 36F / SD / DTY moisture-absorbing and quick-drying polyester filament yarn, and the inner layer yarn is formed by weaving 75D / 36F / SD / DTY one-way moisture-conducting polyester filament yarn. The one-way moisture-conducting polyester filament yarn and the quick-drying polyester filament yarn are woven into the inner layer yarn presenting the mesh jacquard texture and the surface layer presenting the plain texture, so that the appearance attractiveness of the fabric is improved, meanwhile, the excellent one-way moisture-conducting and quick-drying functions are achieved, and the requirement of a consumer for the comfort degree of clothes in the state of a large amount of wet sweat in the exercise process can be met.

The present invention provides a method and device for double-open interwoven spinning of staple and filament yarns, comprising a feeding unit, an auxiliary core-wrapping unit, and a winding unit. The method comprises arranging an electrostatic opening assembly in the filament feeding mechanism to open the multifilament yarn, and utilizing the auxiliary core-wrapping unit to open the staple slivers and further expand the filament sheets after opening, so that the staple slivers and the filament sheets are partially or completely repeatedly interwoven in the auxiliary core-wrapping unit. The filaments are wrapped by the rotation of the staple slivers and the force between the staple slivers, thereby forming a core-spun yarn with a sandwich structure. The method improves the filament ratio and mechanical properties of the core-spun yarn and reduces its hairiness index. The method adjusts the distance between the axis of the staple sliver and the axis of the sheet at the jaws of the front roller and coordinates this with the position of the yarn guide rod to achieve partial or complete repeated interwoven and automatic wrapping of the filaments and staple slivers, thereby achieving the preparation of core-spun yarns with different structures and meeting the application requirements of core-spun yarns.

A molded tufted carpet system for automotive trim components or flooring includes a nonwoven primary backing, a plurality of tufts comprised of bulk continuous filament (BCF) yarns inserted into the primary backing and projecting opposite the insertion to form a tuft pile, a secondary backing layer, and an adhesive between and in contact with the primary and secondary backings on the surface opposite the pile.

The invention relates to the technical field of functional textile materials, in particular to a temperature-control chenille fabric and a preparation method thereof. According to the invention, a three-layer composite structure with a vertical gradient functional zone is constructed, wherein a close-fitting one-way moisture conducting layer is formed by special-shaped section terylene; a lower-layer polypropylene fiber network and an upper-layer moisture-absorbing heating fiber are compounded through a knitted structure to form an intelligent response layer, so that spatial isolation between a sweat path and a heating path is realized; and the outer layer is a heat preservation tufting layer formed by blending hollow solid-solid phase change fibers and polyester filament yarns. According to the method, moisture absorption heating and rapid perspiration can be triggered under different conditions, stable buffering of solid-solid phase change is matched, the intelligent synergistic effect of rapid moisture guiding evaporative cooling during sweating and active heating and moisturizing during drying and low temperature is achieved, and the dynamic heat and humidity comfort is remarkably improved.

The utility model relates to the technical field of melt extruder, especially a kind of melt extruder for polyamide filament spinning, including the barrel of melt extruder, the die head of melt extruder and multiple filter screens, filter screen installation pipe is equipped between the barrel of melt extruder and the die head of melt extruder, multiple the filter screen is installed in filter screen installation pipe in turn, both ends of filter screen installation pipe are movably installed with outer thread ring piece, the surface of the barrel of melt extruder and the die head of melt extruder is fixedly provided with inner thread sleeve, outer thread ring piece is screw-mounted in the inside of inner thread sleeve.This scheme needs to clean or replace filter screen, only need to rotate outer thread ring piece, after outer thread ring piece is spirally removed from inner thread sleeve, filter screen installation pipe can be separated from between the barrel of melt extruder and the die head of melt extruder, facilitate the operation of staff, improve work efficiency.

The application relates to a preparation method of a self-powered heating and warm-keeping knitted fabric, and relates to the field of thermal textile materials. The self-powered heating and warm-keeping knitted fabric is prepared by doubling electrically-conductive cotton yarn and thermal nylon yarn, and weaving a double-reverse air layer double-layer knitted fabric through an arbitrary commercial flat knitting machine; the electrically-conductive cotton yarn is cotton yarn immersed with silver nanowires, and the thermal nylon yarn is a nylon filament yarn. In this case, based on the principle of a friction nanogenerator, mechanical energy is converted into electrical energy, and then efficient electrothermal conversion is realized by using the metal characteristics, that is, the unique structure of the knitted fabric is used to improve the conversion efficiency among mechanical energy, electrical energy and thermal energy, and the double-layer knitted fabric itself has the warm-keeping performance, so that self-powered heating and warm-keeping are realized.

The utility model discloses an electrostatic elimination device for polyester filament yarn production, which relates to the technical field of electrostatic treatment in polyester production and comprises a spinning manifold and a support, spinneret plates are symmetrically arranged on two sides of the lower end of the spinning manifold, and a placing groove is formed between the two spinneret plates. A water spraying pipe is arranged in the containing groove, a plurality of spraying nozzles are fixed to the two sides of the side wall, located in the containing groove, of the water spraying pipe, the outer side end of the water spraying pipe is connected with an atomization humidifier, and an ion fan is fixed to the lower end of the containing groove and used for blowing water mist to polyester filaments and neutralizing static electricity; the utility model discloses a static elimination device for polyester filament yarn production. Static electricity accumulation of the polyester filament yarn is remarkably reduced through the dual effects of water mist humidification and the ion fan; the adjustable filament guide mechanism ensures that filaments are vertically downward, filament floating is avoided, and the production stability is improved; the conductive rod and the wire guiding mechanism cooperate to enhance the static electricity guiding-out efficiency.

The invention relates to the technical field of dust removal of high-temperature flue gas, and particularly discloses a production method of a glass fiber PTFE (Polytetrafluoroethylene) base cloth reinforced high-temperature-resistant filter material. The production method comprises the following steps that glass fiber filament yarn is subjected to heat treatment at 350-400 DEG C, the glass fiber yarn subjected to heat treatment passes through composite emulsion and is dried, and warp yarn is obtained; taking the PTFE filament yarns as weft yarns, and making the warp yarns and the weft yarns into woven cloth by adopting a rapier loom, so as to obtain glass fiber PTFE base cloth; the preparation method comprises the following steps: mixing chopped PTFE fibers and chopped glass fibers according to a weight ratio of (4-7): (3-6), opening and carding, and carrying out lapping, grid connection and pre-needling by taking glass fiber PTFE base cloth as base cloth, so as to obtain a composite pre-needled felt; the composite pre-needled felt is subjected to spunlace reinforcement treatment and singeing and then soaked in a stiffening agent, mangling and drying are conducted after soaking, and the glass fiber PTFE base cloth reinforced high-temperature-resistant filter material is obtained. The mechanical property of the filter material can be improved.