CN108950852B - Warp knitted spacer fabric with partial hollows - Google Patents

Warp knitted spacer fabric with partial hollows Download PDF

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Publication number
CN108950852B
CN108950852B CN201810744017.6A CN201810744017A CN108950852B CN 108950852 B CN108950852 B CN 108950852B CN 201810744017 A CN201810744017 A CN 201810744017A CN 108950852 B CN108950852 B CN 108950852B
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China
Prior art keywords
layer
temperature
stirring
cloth
mesh
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CN201810744017.6A
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CN108950852A (en
Inventor
苏成喻
柯文新
石建良
杨孝清
黄小欣
任波
邓魏永
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FUJIAN JINJIANG HUAYU WEAVING CO LTD
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FUJIAN JINJIANG HUAYU WEAVING CO LTD
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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B21/14—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes
    • D04B21/16—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes incorporating synthetic threads
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/10—Other agents for modifying properties
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
    • D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/13—Physical properties anti-allergenic or anti-bacterial
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/22—Physical properties protective against sunlight or UV radiation
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2403/00—Details of fabric structure established in the fabric forming process
    • D10B2403/02—Cross-sectional features
    • D10B2403/021—Lofty fabric with equidistantly spaced front and back plies, e.g. spacer fabrics
    • D10B2403/0213—Lofty fabric with equidistantly spaced front and back plies, e.g. spacer fabrics with apertures, e.g. with one or more mesh fabric plies
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2501/00—Wearing apparel
    • D10B2501/04—Outerwear; Protective garments
    • D10B2501/043—Footwear
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
    • Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear

Abstract

The utility model relates to a warp-knitted spacer fabric with partial hollowness, which comprises a surface layer, a connecting layer and a bottom layer, wherein the surface layer and the bottom layer are connected through the connecting layer; the connecting layer is partially connected, two ends of the surface layer and the bottom layer are connected through the connecting layer, the middle positions of the surface layer and the bottom layer are partially connected, and the connecting part forms a three-layer solid structure of the surface layer, the connecting layer and the bottom layer; the unattached portions form a partially hollow structure of the top and bottom layers, i.e., without the tie layer. The partially hollow structure of the utility model has good ventilation effect and good visual stimulation, especially under the condition that the surface layer and the bottom layer have chromatic aberration. Particularly in the technical field of shoe materials, partial hollows and partial solides are needed, for example, the vamp needs to be partially hollow to play a role in ventilation, and the vamp needs to be of a solid structure to play a role in support.

Description

Warp knitted spacer fabric with partial hollows
Technical Field
The utility model relates to the technical field of warp knitting mesh cloth production, in particular to a partially hollow warp knitting spacer fabric.
Background
The Chinese patent application No. 201320200037.X relates to a mesh cloth, which comprises an inner mesh layer and an outer mesh layer, wherein the inner mesh layer is formed by interweaving nylon monofilaments and polypropylene monofilaments, the density of the nylon monofilaments is 15-23 per centimeter, and the density of the polypropylene monofilaments is 17-21 per centimeter, so that the density of the inner mesh layer is kept in a relatively loose state, and the mesh cloth has good ventilation and moisture dispersion performances; the outer net layer is formed by interweaving terylene monofilaments and polyethylene monofilaments, the density of the terylene monofilaments is 32-37 per centimeter, and the density of the polyethylene monofilaments is 28-35 per centimeter, so that the density of the outer net layer is kept in a relatively compact state, the mesh cloth has certain elasticity and strength, and the inner net layer and the outer net layer are alternately woven and connected through the nylon monofilaments, so that the mesh cloth provided by the utility model has good ventilation and moisture dispersion performance and certain elasticity and strength.
Chinese patent application number 201320295187.3 relates to the field of textile fabrics, in particular to a mesh cloth. The utility model aims to provide a mesh cloth with unique structure, good hand feeling and good elasticity. The mesh comprises warp threads and weft threads which are woven in a staggered mode, wherein a plurality of protrusions protruding from the surface are arranged on the warp threads or the weft threads, the warp threads or the weft threads are made of composite yarns, the composite yarns comprise core yarns and outer winding yarns, the core yarns are spandex fibers, the outer winding yarns comprise tencel fibers, and the outer winding yarns are wrapped on the outer circumferential surface of the core yarns along the axis direction of the core yarns. The mesh cloth provided by the utility model is composed of warp yarns and weft yarns which are woven with each other, and the warp yarns or the weft yarns are provided with bamboo-shaped bulges, so that the product is stronger and firmer during application, yarn falling is not easy to occur, and the mesh cloth is novel in structure, attractive and elegant, and can meet the requirements of various products or occasions.
Chinese patent application No. 201320295015.6 relates to a cloth, and in particular to an elastic mesh cloth with a certain elastic effect. The elastic mesh cloth is formed by bonding a polyester cloth layer and a viscose fiber cloth layer, folds are formed on the surfaces of the polyester cloth layer and the viscose fiber cloth layer, stretch yarns are arranged between the polyester cloth layer and the viscose fiber cloth layer, the polyester cloth layer is a fabric with meshes, which is formed by knitting polyester fibers, and the viscose fiber cloth layer is a fabric with meshes, which is formed by knitting viscose fibers. The elastic mesh cloth has folds at the upper and lower sides in an unstretched state, can be stretched and retracted, can be always clung to a body, has good comfort, and the elastic filaments are clamped between the upper layer and the lower layer, so that the connection strength of the upper layer and the lower layer is improved.
Chinese patent application number 201320294900.2 relates to textile technology field, concretely relates to dacron screen cloth. The utility model aims to provide an antibacterial polyester mesh cloth with a special elastic structure. The polyester mesh consists of a surface layer, a bottom layer and a polyester monofilament supporting layer containing an antibacterial agent, wherein the polyester monofilament supporting layer containing the antibacterial agent is connected between the surface layer and the bottom layer, and the surface layer, the bottom layer and the polyester monofilament supporting layer containing the antibacterial agent are woven into three-dimensional antibacterial three-layer mesh in a warp knitting mode. The utility model has the beneficial effects that: the terylene mesh cloth is an antibacterial three-layer mesh cloth taking terylene monofilaments containing an antibacterial agent as a supporting layer, has antibacterial and bactericidal functions, uses viscose fibers and cotton fibers in the surface cloth of the mesh cloth material, and improves the overall moisture absorption performance and the contact performance of the material. The three-layer mesh cloth is a novel variety with high quality and environmental protection, and can meet the higher requirements of wide consumers.
The Chinese patent application number 201220031468.3 relates to a mesh fabric composite fabric, which consists of three-layer fabric, wherein the outer layer of the composite fabric is polyester double-sided fabric, the middle layer of the composite fabric is TPU film, and the inner layer of the composite fabric is mesh fabric. The composite fabric adopts a sandwich type structure, and the outer layer of the composite fabric is perfectly combined with the waterproof terylene double-sided cloth with wind resistance, the high-efficiency breathable and moisture-permeable waterproof TPU film with the middle layer, the warmth retention property and the light and thin mesh cloth, so that rainwater can be prevented from entering, sweat and moisture can be discharged, and the composite fabric has the functions of high wind resistance, high water resistance, moisture permeability, ventilation, warmth retention, ageing resistance, freezing resistance, friction resistance and the like, so that a human body can keep dry and comfortable for a long time. Meanwhile, the bonded composite fabric can be sewn into various articles such as waist protecting belts, neck protecting belts, knee protecting belts, wrist protecting belts, mattresses and the like in a cutting mode. 201320675899.8 the utility model relates to the technical field of cloth, in particular to perspective mesh cloth, which comprises a top mesh cloth, wherein the perspective mesh cloth further comprises a bottom mesh cloth, a plurality of blocks made of EVA (ethylene vinyl acetate) foaming materials or PE (polyethylene) foaming materials are arranged between the bottom mesh cloth and the top mesh cloth, and the blocks are distributed at intervals. The top layer and the bottom layer of the perspective mesh are of the mesh structure, a plurality of blocks are arranged between the top layer mesh and the bottom layer mesh at intervals, so that the middle blocks and the bottom layer mesh can be seen when the perspective mesh is seen from the top layer mesh, the middle blocks and the top layer mesh can be seen when the perspective mesh is seen from the bottom layer mesh, the perspective effect is good, the air permeability of the cloth is further improved, in addition, the blocks are made of EVA foaming materials or PE foaming materials, and the perspective mesh has the advantages of light weight, excellent physical properties, safety and innocuity, and is beneficial to improving the added value of cloth products.
Chinese patent application number 201310016147.5 relates to a bamboo charcoal fiber mesh fabric, and it is by face silk, broken silk, the fashioned sandwich structure mesh fabric of end silk warp knitting, face silk form the surface course of mesh fabric, end silk form the bottom of mesh fabric, broken silk form the supporting layer of mesh fabric, just the supporting layer be located the surface course with the bottom between, face silk or/and end silk include at least one bamboo fiber silk, face course or/and bottom be soft smooth bamboo fiber surface course or/and bottom. The bamboo charcoal fiber mesh cloth is integrally woven into a sandwich structure by the surface filaments, the wool filaments and the bottom filaments, and the surface filaments or/and the bottom filaments comprise the bamboo fiber filaments, so that the surface layer or/and the bottom layer are soft and smooth bamboo fiber surface layers or/and bottom layers, and the bamboo charcoal fiber mesh cloth has the advantages of being natural, environment-friendly, deodorant, antibacterial, comfortable, soft and the like.
The Chinese patent application No. 201320294896.X relates to the field of textile fabrics, in particular to a composite mesh cloth. The utility model aims to provide the composite mesh cloth which not only can keep the original ventilation and air permeability of the mesh cloth, but also has better strength and appearance. The technical scheme adopted by the utility model is to provide a composite type mesh cloth, which comprises a mesh cloth and a resin layer, wherein the mesh cloth comprises an inner layer surface cloth, an intermediate layer cloth and an outer layer surface cloth, the intermediate layer cloth is vertically woven, the inner layer surface cloth, the intermediate layer cloth and the outer layer surface cloth are integrally woven in a warp knitting mode, the resin layer is fixedly arranged on the surface of the mesh cloth to form a whole, and through holes are formed in the surface of the resin layer. The resin layer and the mesh cloth are integrated, and the resin layer is provided with a plurality of through holes, so that the mesh cloth can keep the original ventilation and air permeability characteristics, has the strength of the resin layer, and can have more diversified designs by utilizing the design of the through holes and the grain patterns preset on the resin layer.
The Chinese patent application No. 201320044219.2 relates to a mesh cloth material structure in the technical field of cloth, which comprises a surface layer, a middle interlayer and a bottom layer, wherein the middle interlayer is arranged between the surface layer and the bottom layer to form a sandwich structure, the middle interlayer is a hollow structure, the surface layer and the bottom layer are separated by a certain space through the middle interlayer, the middle interlayer is a hollow structure, the hollow part forms an air flow channel, the air flow can directly pass through the air flow channel formed by the hollow structure from the bottom layer and then pass through the surface layer, and the air flow is smooth, so that the mesh cloth material structure has good ventilation effect and damping support effect.
Chinese patent application number 201220242408.6 relates to a screen cloth, in particular to a polyester screen cloth, which belongs to textile products. The warp yarn is formed by interweaving warp yarns and weft yarns, wherein the warp yarns comprise middle yarns and side yarns, the side yarns are respectively arranged on two sides of the middle yarns, the two warp yarns among the weft yarns are in cross connection with each other, the middle yarns penetrate through crossing points of the two warp yarns, and the middle yarns and the two side yarns are distributed at intervals. The dacron mesh cloth is compact in structure, high in strength and long in service life.
The Chinese patent application No. 201210496733.X relates to a composite elastic material mesh cloth, which comprises a warp-knitted three-dimensional fabric consisting of a top layer, a bottom layer and a connecting layer for connecting the top layer and the bottom layer, wherein a cavity is formed by the top layer, the bottom layer and the connecting layer, a curable composite material is filled in the cavity, the connecting layer consists of a plurality of layers of mesh fiber fabrics which are distributed in parallel along the length direction of the mesh cloth, each layer of mesh fiber fabrics consists of a plurality of alternately woven wave-shaped fibers, each wave crest of each wave-shaped fiber is fixedly connected with a first node, the first nodes fixedly connected with the wave crest on each wave-shaped fiber are on the same straight line, and the number of the first nodes arranged between two adjacent wave crests of each wave-shaped fiber on the same straight line is 1-5; the advantages are that: the special material is convenient to use, is convenient to assemble, disassemble and transport manually, and can form a net-shaped composite concrete layer with certain thickness and hardness only by watering liquid and the like when in use; the comprehensive performance is good; is environment-friendly; the application is flexible; low cost, convenient construction and high efficiency.
Chinese patent application number 201220320157.9 relates to the cloth field, provides a novel ventilative screen cloth that air permeability is good, including ventilative screen cloth body, ventilative screen cloth body includes upper breathable net layer, the lower floor tensile deformation silk layer that interweaves by rayon and dacron and forms, be equipped with full tensile silk layer between upper breathable net layer and the lower floor tensile deformation silk layer.
Chinese patent application number 201210335260.5 relates to a space screen cloth combined material, and its from the top down includes PVC facial mask layer, space screen cloth layer and PVC backing film layer, and space screen cloth layer includes upper and lower screen cloth layer of parallel arrangement, and the wire drawing of perpendicular setting between upper and lower screen cloth layer. The preparation method of the space mesh fabric composite material comprises the following steps: 1) Coating and pasting a space net cloth layer; 2) Preheating; 3) Fitting; 4) Cooling, trimming and rolling. According to the space mesh fabric composite material, the space mesh fabric layer is arranged between the PVC mask layer and the PVC bottom film layer of the composite material, so that when the space mesh fabric composite material is applied to an air cushion product, the surface of the air cushion product is smooth after the air cushion product is inflated, and the appearance is attractive; the bearing capacity is good, and the inflatable cushion is not easy to burst; the middle space net cloth layer ensures that the air cushion product has good elasticity and good compression resistance.
Chinese patent application No. 201220191034.X relates to polytetrafluoroethylene fiber mesh cloth, in particular to polytetrafluoroethylene fiber mesh cloth for preparing perfluorosulfonic acid ion exchange membrane, belonging to polytetrafluoroethylene industry technical field. The polytetrafluoroethylene fiber mesh fabric is woven by polytetrafluoroethylene fibers as warps and wefts, the mesh fabric is of a warp-weft structure, and the wefts are staggered based on the warps; the warp and weft filaments of the mesh cloth are twisted, the width of weft fibers of the mesh cloth is 220-230 mu m, the width of warp fibers is 130-160 mu m, and the fineness of the warp fibers and the weft fibers is 80-100 denier. The polytetrafluoroethylene fiber mesh cloth provided by the utility model is specially designed for an ion exchange membrane, and is particularly suitable for being used as a framework material of the ion exchange membrane. The copolymer of the resin is coated on the mesh cloth, the coating is uniform, the coating is thin, and the coating is firmly bonded with the framework of the mesh cloth; the prepared ion exchange membrane has the advantages of good proton passing performance, no permeability, high dimensional stability and high strength.
Chinese patent application number 201220032205.4 relates to the screen cloth, refers in particular to a novel sunshade screen cloth, the sunshade screen cloth form by reflecting material cross braiding, upper and lower both ends are provided with the bracing piece respectively, the both ends of bracing piece stretch out outside the sunshade screen cloth and are provided with the hanging hole, the both ends of bracing piece are provided with the clip that presss from both sides tight sunshade screen cloth both ends, hang the hole on be provided with the elasticity clamp that control sunshade screen cloth stretches out length and tether couple or string that the bracing piece was used, radial or latitudinal direction interval of sunshade screen cloth is provided with the bleeder vent of row, because above-mentioned structural feature makes the utility model can in time take away the heat that the screen cloth absorbed, solved the current sunshade screen cloth like the not good problem of effect, have advantages such as energy-conservation.
Chinese patent application number 201220505295.4 relates to a warm three-layer mesh, which relates to a mesh. It comprises a mesh layer, a wool high layer and a bottom flat cloth layer; the mesh layer is arranged on the upper surface layer of the warm-keeping three-layer mesh cloth, the Mao Gaoceng is arranged between the mesh layer and the bottom flat cloth layer, the bottom flat cloth layer is arranged on the lower surface layer of the warm-keeping three-layer mesh cloth, the mesh layer and the wool high layer are made of polyester materials, and the bottom flat cloth layer is made of polyester staple fibers; the utility model has good warmth retention property and beautiful appearance, is suitable for shoes, clothes and bags, and is also suitable for being used as decorative cloth.
Chinese patent application No. 201220505322.8 relates to a jacquard seamless three-layer mesh, which relates to a three-layer mesh. The jacquard seamless three-layer mesh comprises a jacquard layer, a wool high layer and a bottom flat cloth layer, wherein the jacquard layer is arranged on the upper surface layer of the jacquard seamless three-layer mesh, mao Gaoceng is arranged between the jacquard layer and the bottom flat cloth layer, and the bottom flat cloth layer is arranged on the lower surface layer of the jacquard seamless three-layer mesh; the jacquard layer is made of terylene material through pressure point jacquard; the wool high layer and the bottom flat cloth layer are all made of terylene materials; the utility model adopts the piezoelectric jacquard, the jacquard is used as the surface, so that the jacquard layer has no gap, the appearance is beautiful, and the utility model is suitable for shoes, clothes and bags and suitcases and also suitable for being used as decorative cloth.
Chinese patent application No. 201220505325.1 relates to a transparent three-layer mesh, which relates to a mesh. The jacquard and wool high-level cloth comprises a surface plain cloth layer, a jacquard and wool high-level layer and a bottom plain cloth layer, wherein the surface plain cloth layer is arranged on the upper surface layer of the transparent three-layer mesh cloth, the jacquard and wool high-level layer is arranged between the surface plain cloth layer and the bottom plain cloth layer, the bottom plain cloth layer is arranged on the lower surface layer of the transparent three-layer mesh cloth, the surface plain cloth layer and the bottom plain cloth layer are made of polyester transparent yarns, and the jacquard and wool high-level layer is made of polyester; the utility model is made of transparent silk, has high transparency and beautiful appearance, and is suitable for shoes, clothes and bags, and also suitable for being used as decorative cloth.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a warp-knitted spacer fabric with partial hollowness.
The aim of the invention is realized by the following technical scheme:
a partially hollow warp knit spacer fabric comprises a skin layer, a tie layer, and a base layer, the skin layer and base layer being joined by the tie layer.
The connecting layer is partially connected, two ends of the surface layer and the bottom layer are connected through the connecting layer, the middle positions of the surface layer and the bottom layer are partially connected, and the connecting part forms a three-layer solid structure of the surface layer, the connecting layer and the bottom layer; while the unattached portions form a partially hollow structure of the top and bottom layers.
The connected parts form a three-layer solid structure, and play a supporting role.
The partially hollow structure has good ventilation effect and good visual stimulation, especially in the case of chromatic aberration of the surface layer and the bottom layer. Particularly in the technical field of shoe materials, partial hollows and partial solides are needed, for example, the vamp needs to be partially hollow to play a role in ventilation, and the vamp needs to be of a solid structure to play a role in support.
The connecting layer is 150D cation low stretch yarn.
The surface layer is made of folding-resistant polyester monofilament.
The bottom layer is high-strength terylene monofilament.
The high-strength polyester monofilament is obtained by melt-extruding a modifier, a compatilizer and PET particles to obtain a high-strength master batch, and then melt-spinning the high-strength polyester master batch to obtain the high-strength polyester monofilament.
The mass fraction of the modifier in the high-strength master batch is 5-10%.
The mass fraction of the compatilizer in the high-strength master batch is 1-3%.
The preparation method of the modifier comprises the following specific steps:
dispersing superparamagnetic nickel colloid nano crystal clusters in ethanol solution of deionized water, and then adding dilute sulfuric acid solution; continuing high-speed stirring and dispersing, wherein the stirring rotating speed is 3000-4500 rpm, and the dispersing time is 1-3 h; then under the condition of medium-speed stirring, the stirring speed is 1000-1500 rpm, the stirring time is 1-3 h, zinc sulfate solution is slowly added into the system, after the zinc sulfate solution is added, the reaction temperature is raised to 40-60 ℃ for continuous reaction for 1-2 h, zinc ions are adsorbed on the surface of the superparamagnetic nickel colloid nano crystal cluster, and then separation and vacuum drying are carried out to obtain two layers of antibacterial agents; under the normal temperature condition, adding two layers of antibacterial agents into hydrogen peroxide for ultrasonic dispersion for 2-6 h, adding an aqueous solution of titanyl sulfate after ultrasonic dispersion, carrying out low-speed stirring reaction, wherein the stirring rotation speed is 400-600 r/min, the stirring time is 1-3 h, and after filtration, raising the temperature of the product to 480 ℃ at a heating rate of 12 ℃/min under the anaerobic or oxygen-deficient atmosphere, and staying for 3-6 h to obtain the three layers of antibacterial agents; the three-layer antibacterial agent, graphene oxide and core-shell mesoporous aluminosilicate are subjected to low-temperature grinding and then high-temperature grinding to obtain a composite material, and the low-temperature grinding and then high-temperature grinding processes are as follows: the low-temperature grinding temperature is controlled to be 20-30 ℃, the grinding time is 1-2 hours, the high-temperature grinding temperature is controlled to be 70-85 ℃, and the grinding time is 1-3 hours; taking a composite material as a raw material, stirring at a high speed in normal temperature under the condition of normal temperature, performing ultrasonic dispersion, wherein the stirring speed is 2200-3200 r/min, the dispersion time is 1-4 h, adding toluene diisocyanate in a nitrogen atmosphere, reacting for 1-2 h at the reaction temperature of 90-110 ℃, then performing reduced pressure distillation for 1 h at the temperature of 105-115 ℃ after the reaction is finished, and then performing vacuum drying on a reduced pressure distillation product at the temperature of 125 ℃ for 50 h to prepare the modifier;
Controlling the mass ratio of the superparamagnetic nickel colloid nano crystal cluster to zinc sulfate in the zinc sulfate solution to be 5:1-9:1; the mass fraction of the superparamagnetic nickel colloid nano crystal clusters in the ethanol solution of deionized water is 5-10%; the volume ratio of water to ethanol in the ethanol solution of deionized water is 1:1; the mass fraction of the dilute sulfuric acid solution is 5-10%, and the dilute sulfuric acid solution mainly plays a role in acidizing the superparamagnetic nickel colloid nano crystal cluster; the zinc ions are easily adsorbed on the surface of the superparamagnetic nickel colloid nano crystal cluster, and then the zinc oxide adsorption layer is formed on the surface of the superparamagnetic nickel colloid nano crystal cluster after the separation of the fine work and the vacuum drying.
The mass fraction of the two layers of antibacterial agents in the hydrogen peroxide is 10-20%;
the mass ratio of the two layers of antibacterial agents to the titanyl sulfate in the titanyl sulfate aqueous solution is 5:1-10:1;
the mass ratio of the three layers of antibacterial agents, graphene oxide and the core-shell mesoporous aluminosilicate is 1:2:1; in the process of low-temperature grinding and high-temperature grinding, the graphene oxide contains a polyhydroxy structure, namely the graphene oxide has the function of serving as a solvent and also has antibacterial property, so that the graphene oxide has the solvent effect, the antibacterial function and the hydroxylation function, and is not possessed by other compatilizers, and is one of the characteristics of the application; the composite functional powder is easy to graft hydroxyl structures by itself after grinding, and is easy to react with subsequent toluene diisocyanate toluene ester; thereby ultimately improving the compatibility of the polyester thereof.
The mass concentration of the composite material in the normal hexane is 35-50 g/L;
the molar ratio of toluene diisocyanate to the composite material is 1:10-1:20.
The superparamagnetism nickel colloid nano crystal cluster has larger porosity and good antibacterial property, zinc ions are coated on the surface of the superparamagnetism nickel colloid nano crystal cluster by adopting a solution coprecipitation method, then zinc oxide is formed by separation and drying and then decomposition, and the zinc oxide has good antibacterial function, so that stable dual antibacterial performance can be provided, namely the superparamagnetism nickel colloid nano crystal cluster has antibacterial function inside and the zinc oxide on the surface layer has antibacterial function; then activating treatment is carried out, the activation treatment is carried out through hydrogen peroxide, the titanium oxysulfate solution is added to combine the titanium oxysulfate solution, and then the titanium oxysulfate is decomposed into titanium dioxide through high-temperature heating reaction so as to be adsorbed on the surface of the titanium dioxide, so that a three-layer structure is formed, the photocatalysis and antibacterial effect of the titanium dioxide are realized, and meanwhile, the problem that titanium dioxide nano particles are easy to agglomerate in conventional blending and adding is avoided; the application has slow release function, thereby finally prolonging the antibacterial function.
The composite material has excellent anti-ultraviolet and antibacterial effects, but in the process of adding and using the conventional composite functional powder, the conventional composite functional powder is easy to agglomerate and difficult to disperse due to large specific surface area, passivation treatment is needed, and the dispersibility and binding force of the conventional composite functional powder in an organic matrix are difficult to control due to single inorganic surface modification, so that the dispersion difficulty is high, and particularly the influence of long-term stability of fibers after washing and sun-proof is large; the application uses core-shell mesoporous aluminosilicate as a medium, can improve the strength of particles, and can improve the strength on the premise of high antibacterial property; in the high-temperature polymerization process of polyester, the composite material not only reduces the ultraviolet-resistant antibacterial effect of the polyester, but also causes the conditions of broken ends, floating filaments, broken filaments and the like in the polyester spinning process due to the existence of agglomerated particles, so that the spinning is difficult, especially the melt direct spinning superfine denier high-speed spinning polyester filaments is difficult, and the surface of the composite material is reacted with isocyanic acid groups by adopting a polyhydroxy structure on the surface of the composite material, so that the surface of the composite material is provided with the isocyanic acid groups and can react with polyester oligomers, and the composite material is grafted on a polyester main chain segment, so that the extinction effect of the composite material is improved; the method avoids the problem that when the polyester fiber is prepared by adding the composite material in a blending mode, the ultraviolet-resistant antibacterial effect is poor due to poor dispersibility of the composite material in polyester melt, and particularly the function is poor due to the fact that the composite material is carried in a long-term cleaning process, so that dyeing and the color fastness of dyeing are reduced, the quality and performance of the fiber are affected, and the stable production of the superfine denier polyester fiber is further affected.
The folding-resistant polyester monofilament is obtained by melt extrusion of folding-resistant particles, compatilizer and PET particles, and then melt spinning of the folding-resistant master batch.
The mass fraction of the folding-resistant particles in the folding-resistant master batch is 3-5%;
the mass fraction of the compatilizer in the folding-resistant master batch is 1-2%.
A preparation method of folding-resistant particles comprises the following specific steps:
(1) Pretreatment of graphene raw materials
Peeling reed stems to obtain reed straw core layer materials, pickling reed straw cores, then performing alkaline washing pretreatment, and cleaning with clear water for three times to obtain pretreated matters of graphene raw materials;
the acid washing process of the reed straw core is that the strong oxidation acid mixed solution is soaked for 3 to 6 hours at the temperature of 80 to 90 ℃;
the strong-oxidation acidic mixed solution is a mixed solution of nitric acid and hydrogen peroxide, wherein the mass fraction of the nitric acid solution is 10-15%, and the mass fraction of the hydrogen peroxide solution is 10-15%;
the acidic solution with strong oxidizing property is adopted for acidification and activation treatment, so that the cellulose can be fully acidified and activated, and meanwhile, the metal ions can be completely immersed out of the cellulose, and the impurity removal of the metal ions is ensured;
The alkaline process of the reed straw core is that the reed straw core treated by the acidification process is soaked in alkaline alcohol solution for 3-6 hours at 80-90 ℃;
the alkaline alcohol solution is a mixed solution of isopropanol of potassium hydroxide, wherein the molar ratio of the potassium hydroxide to the isopropanol is 1:05-1:25;
reed straw, which is a biomass cellulose material, has high fiber content and is currently used in a large amount for cellulose or papermaking pulp; the core material in the reed straw is high-content cellulose, contains abundant carbon elements, is a thin layer material, and has a thickness of micron level, so that the graphite layer can be well carbonized and peeled after the later carbonization; meanwhile, the material is used as an internal material in reed straw, has the performances of being oxidizable, acidifying and the like, so that the surface of the cellulose material in the reed straw can be fully activated by carrying out acidification treatment on the cellulose material, other heavy metal ions in the cellulose are removed, and meanwhile, the impurity removal of alkaline solution is carried out, so that the content of the metal ions in the reed straw is reduced, and the problems of catalytic deactivation and the like in the carbonization and graphitization processes in the later period are avoided.
(2) Functionalization of graphene raw materials
Taking the pretreated matter of the graphene raw material obtained in the step (1) as a raw material, taking the mixed solution of phytic acid and copper phytate as a functional treatment solution, and carrying out functional load reaction under strong stirring, wherein the temperature of the functional load reaction is 80-91 ℃, and the time of the functional load reaction is 20-33 hours; after the functionalized load, adopting ultra-high speed centrifugation to obtain a centrifugal precipitate, and carrying out vacuum drying treatment on the centrifugal precipitate at 82 ℃ to obtain a functionalized substance of the graphene raw material;
the mass fraction of the phytic acid in the functional treatment liquid is 3%;
the mass fraction of the copper phytate in the functional treatment liquid is 8%;
the phytic acid is used as an organic acid, has a six-membered ring structure, and has a good acidification and catalytic carbonization effect on lignocellulose, and is also a main catalyst for graphene preparation at present; through the structure of cooperation copper phytate, utilize the adsorption of activated reed straw core, through the attached effect of phytic acid after the absorption and matter acid copper to do benefit to the catalytic carbonization and the graphitization effect of reed straw core, and copper ion has excellent antibiotic effect after the carbonization effect of high temperature, thereby play both can catalyze the carbonization and obtain graphene, can also load the copper ion that obtains antibiotic function on graphene surface simultaneously, thereby further strengthen the antibacterial property of material.
(3) Carbonization of graphene feedstock
Taking the functionalized compound of the graphene raw material prepared in the step (2) as a raw material, and performing oxidization treatment and carbonization treatment to obtain a carbonized compound of the graphene raw material;
the specific process comprises the following steps: oxidizing for 10-20 h in an oxidizing atmosphere with the oxygen volume fraction of 10-15% and the ozone volume fraction of 1-1.5% at the oxidizing temperature of 185-200 ℃; then carbonizing treatment is carried out in helium atmosphere at 500-600 ℃;
through the heating of multiple steps, the oxidation effect of ozone is utilized, and the oxidation performance of the functionalized loaded reed stem core is improved, so that the carbonization process in the inert gas in the later stage is facilitated, and the pre-oxidation carbonization efficiency is improved.
(4) Modification of graphene
Uniformly stirring and mixing the carbonized material of the graphene raw material prepared in the step (3) and potassium nitrate serving as raw materials, continuously conveying a mixed gas of the material and low-oxygen nitrogen, performing high-temperature explosion graphitization reaction on the carbonized material of the graphene raw material in a low-oxygen atmosphere, collecting gas at a mixed gas outlet of the high-temperature explosion graphitization reaction, and cooling and collecting to obtain a graphene modified material;
the mass ratio of the carbide to the potassium nitrate of the graphene raw material is 1:0.08;
The temperature in the high-temperature explosion graphitization process is 1000-2100 ℃, wherein the volume fraction of oxygen in the low-oxygen nitrogen atmosphere is 3-5%;
the volume ratio of the materials to the mixed gas in the continuous conveying process is 1:1000;
the conveying flow rate of the mixed gas is 8-21L/min.
The potassium nitrate has a certain combustion-supporting effect, so that the explosion synergist can be played in a certain range, the carbide of the graphene raw material can instantly explode through the potassium nitrate, the instant acting force of explosion is utilized, the effect of stripping the graphene is achieved, the layer number control of the graphene is achieved by utilizing the adjusting effect of the potassium nitrate and the oxygen concentration, and after the potassium nitrate is combusted and exploded, the generated gas and the generated product are collected in the later period, so that the efficient and continuous production operation of the graphene is achieved, and the efficiency is high and the cost is low. Meanwhile, the antibacterial effect of the graphene is synergistically enhanced by loading the antibacterial copper ions, meanwhile, the graphene is stripped by adopting the combustion explosion of potassium nitrate, the combustion explosion of materials in a limited space is achieved by controlling the content of the potassium nitrate and the oxygen concentration, the effect of stripping the graphene is achieved by utilizing the explosive force, and the method has the advantages of being high in efficiency, low in cost and the like.
(5) Preparation of fold-resistant particles
Grinding the graphene modified product prepared in the step (4), nano barium sulfate and core-shell mesoporous aluminosilicate, and then adding glycol for melt extrusion to obtain folding-resistant particles;
the mass fraction of the graphene modifier in the folding-resistant particles is 20-30%.
The mass fraction of the nano barium sulfate in the folding-resistant particles is 10-25%.
The mass fraction of the ethylene glycol in the folding-resistant particles is 10-30%.
The application takes core-shell mesoporous aluminosilicate as a functional carrier, because the core-shell mesoporous aluminosilicate is of a microsphere structure, the microsphere has a superparamagnetism inner core protected by compact silicon dioxide, a single-layer ordered mesoporous aluminosilicate shell which is highly open and pore channels which are regularly arranged, and the pore walls have high-density acidic active sites, the pore diameter is large, and the graphene modifier and the nano barium sulfate are easy to adsorb in the pores of the microsphere through a grinding process, so that the composite function is realized; the microsphere and slow release functions are realized, the strength of the product is finally improved by utilizing nano barium sulfate and core-shell mesoporous aluminosilicate, and the antibacterial property of the product is improved by utilizing graphene modified substances, so that the folding resistance and the antibacterial property are unified in a dual mode.
Compared with the prior art, the application has the following positive effects:
the partially hollow structure of the application has good ventilation effect and good visual stimulation, especially under the condition that the surface layer and the bottom layer have chromatic aberration. Particularly in the technical field of shoe materials, partial hollows and partial solides are needed, for example, the vamp needs to be partially hollow to play a role in ventilation, and the vamp needs to be of a solid structure to play a role in support.
Drawings
FIG. 1 is a schematic diagram of the structure of the present application;
FIG. 2 Raman spectrum of graphene modification;
FIG. 3 is a scanning electron microscope image of a graphene modification;
FIG. 4 is a transmission electron microscope image of a graphene modification;
the marks in the drawings are: 11 surface layer, 2 connecting layer, 3 bottom layer, 21 connecting part, 22 non-connecting part.
Detailed Description
The following provides a specific embodiment of a partially hollow warp knit spacer fabric of the present application.
Example 1
A partially hollow warp knit spacer fabric comprises a top layer 1, a tie layer 2 and a bottom layer 3, the top and bottom layers being joined by the tie layer.
The connecting layer is partially connected, two ends of the surface layer and the bottom layer are connected through the connecting layer, the middle positions of the surface layer and the bottom layer are partially connected, and the connected part 21 forms a three-layer solid structure of the surface layer, the connecting layer and the bottom layer; while the unattached portions 22 form a partially hollow structure of the top and bottom layers.
The connected parts form a three-layer solid structure, and play a supporting role.
The partially hollow structure has good ventilation effect and good visual stimulation, especially in the case of chromatic aberration of the surface layer and the bottom layer. Particularly in the technical field of shoe materials, partial hollows and partial solides are needed, for example, the vamp needs to be partially hollow to play a role in ventilation, and the vamp needs to be of a solid structure to play a role in support.
The connecting layer is 150D cation low stretch yarn.
The surface layer is made of folding-resistant polyester monofilament.
The bottom layer is high-strength terylene monofilament.
The high-strength polyester monofilament is obtained by melt-extruding a modifier, a compatilizer and PET particles to obtain a high-strength master batch, and then melt-spinning the high-strength polyester master batch to obtain the high-strength polyester monofilament.
The mass fraction of the modifier in the high-strength master batch is 5%.
The mass fraction of the compatilizer in the high-strength master batch is 1%.
The antibacterial effect of the high-strength terylene monofilament on staphylococcus aureus is more than 95 percent, and the antibacterial effect on escherichia coli is more than 95 percent.
Dispersing superparamagnetic nickel colloid nano crystal clusters in ethanol solution of deionized water, and then adding dilute sulfuric acid solution; continuing high-speed stirring and dispersing, wherein the stirring rotating speed is 3000-4500 rpm, and the dispersing time is 1-3 h; then under the condition of medium-speed stirring, the stirring speed is 1000-1500 rpm, the stirring time is 1-3 h, zinc sulfate solution is slowly added into the system, after the zinc sulfate solution is added, the reaction temperature is raised to 40-60 ℃ for continuous reaction for 1-2 h, zinc ions are adsorbed on the surface of the superparamagnetic nickel colloid nano crystal cluster, and then separation and vacuum drying are carried out to obtain two layers of antibacterial agents; under the normal temperature condition, adding two layers of antibacterial agents into hydrogen peroxide for ultrasonic dispersion for 2-6 h, adding an aqueous solution of titanyl sulfate after ultrasonic dispersion, carrying out low-speed stirring reaction, wherein the stirring rotation speed is 400-600 r/min, the stirring time is 1-3 h, and after filtration, raising the temperature of the product to 480 ℃ at a heating rate of 12 ℃/min under the anaerobic or oxygen-deficient atmosphere, and staying for 3-6 h to obtain the three layers of antibacterial agents; the three-layer antibacterial agent, graphene oxide and core-shell mesoporous aluminosilicate are subjected to low-temperature grinding and then high-temperature grinding to obtain a composite material, and the low-temperature grinding and then high-temperature grinding processes are as follows: the low-temperature grinding temperature is controlled to be 20-30 ℃, the grinding time is 1-2 hours, the high-temperature grinding temperature is controlled to be 70-85 ℃, and the grinding time is 1-3 hours; taking a composite material as a raw material, stirring at a high speed in normal temperature under the condition of normal temperature, performing ultrasonic dispersion, wherein the stirring speed is 2200-3200 r/min, the dispersion time is 1-4 h, adding toluene diisocyanate in a nitrogen atmosphere, reacting for 1-2 h at the reaction temperature of 90-110 ℃, then performing reduced pressure distillation for 1 h at the temperature of 105-115 ℃ after the reaction is finished, and then performing vacuum drying on a reduced pressure distillation product at the temperature of 125 ℃ for 50 h to prepare the modifier;
Controlling the mass ratio of the superparamagnetic nickel colloid nano crystal cluster to zinc sulfate in the zinc sulfate solution to be 5:1; the mass fraction of the superparamagnetic nickel colloid nano crystal clusters in the ethanol solution of deionized water is 5%; the volume ratio of water to ethanol in the ethanol solution of deionized water is 1:1; the mass fraction of the dilute sulfuric acid solution is 5%, and the dilute sulfuric acid solution mainly plays a role in acidizing the superparamagnetic nickel colloid nano crystal cluster; the zinc ions are easily adsorbed on the surface of the superparamagnetic nickel colloid nano crystal cluster, and then the zinc oxide adsorption layer is formed on the surface of the superparamagnetic nickel colloid nano crystal cluster after the separation of the fine work and the vacuum drying.
The mass fraction of the two layers of antibacterial agents in the hydrogen peroxide is 10%;
the mass ratio of the two layers of antibacterial agents to the titanyl sulfate in the titanyl sulfate aqueous solution is 5:1;
the mass ratio of the three layers of antibacterial agents, graphene oxide and the core-shell mesoporous aluminosilicate is 1:2:1; in the process of low-temperature grinding and high-temperature grinding, the graphene oxide contains a polyhydroxy structure, namely the graphene oxide has the function of serving as a solvent and also has antibacterial property, so that the graphene oxide has the solvent effect, the antibacterial function and the hydroxylation function, and is not possessed by other compatilizers, and is one of the characteristics of the application; the composite functional powder is easy to graft hydroxyl structures by itself after grinding, and is easy to react with subsequent toluene diisocyanate toluene ester; thereby ultimately improving the compatibility of the polyester thereof.
The mass concentration of the composite material in normal hexane is 35g/L;
the molar ratio of toluene diisocyanate to the composite material was 1:10.
The superparamagnetism nickel colloid nano crystal cluster has larger porosity due to nano size, and has good antibacterial property by adopting a solution coprecipitation methodThe surface of the nano crystal cluster is coated with zinc ions, then zinc oxide is formed by separation and drying and then is decomposed, and the zinc oxide has good antibacterial function, so that stable dual antibacterial performance can be provided, namely, the nano crystal cluster with superparamagnetism nickel colloid is arranged inside and has antibacterial function, and the zinc oxide on the surface layer also has antibacterial function; then activating treatment is carried out, the activation treatment is carried out through hydrogen peroxide, the titanium oxysulfate solution is added to combine the titanium oxysulfate solution, and then the titanium oxysulfate is decomposed into titanium dioxide through high-temperature heating reaction so as to be adsorbed on the surface of the titanium dioxide, so that a three-layer structure is formed, the photocatalysis and antibacterial effect of the titanium dioxide are realized, and meanwhile, the problem that titanium dioxide nano particles are easy to agglomerate in conventional blending and adding is avoided; the application has slow release function, thereby finally prolonging the antibacterial function. Superparamagnetic nickel colloid nanometer crystal cluster with excellent antibacterial and bactericidal effect. Firstly forming nickel nano particles in a polar high-temperature medium, and then forming superparamagnetic nickel colloid nano crystal clusters through self-assembly into clusters, wherein the raw materials for the reaction are NaOH and NiCl 2 . See also, in particular, superparamagnetic nickel colloidal nanocrystal clusters with antibacterial activity and bacteria binding ability (Nat. Nanotech.2018 doi:10.1038/s 41565-018-0108-0).
The composite material has excellent anti-ultraviolet and antibacterial effects, but in the process of adding and using the conventional composite functional powder, the conventional composite functional powder is easy to agglomerate and difficult to disperse due to large specific surface area, passivation treatment is needed, and the dispersibility and binding force of the conventional composite functional powder in an organic matrix are difficult to control due to single inorganic surface modification, so that the dispersion difficulty is high, and particularly the influence of long-term stability of fibers after washing and sun-proof is large; the application uses core-shell mesoporous aluminosilicate as a medium, can improve the strength of particles, and can improve the strength on the premise of high antibacterial property; in the high-temperature polymerization process of polyester, the composite material not only reduces the ultraviolet-resistant antibacterial effect of the polyester, but also causes the conditions of broken ends, floating filaments, broken filaments and the like in the polyester spinning process due to the existence of agglomerated particles, so that the spinning is difficult, especially the melt direct spinning superfine denier high-speed spinning polyester filaments is difficult, and the surface of the composite material is reacted with isocyanic acid groups by adopting a polyhydroxy structure on the surface of the composite material, so that the surface of the composite material is provided with the isocyanic acid groups and can react with polyester oligomers, and the composite material is grafted on a polyester main chain segment, so that the extinction effect of the composite material is improved; the method avoids the problem that when the polyester fiber is prepared by adding the composite material in a blending mode, the ultraviolet-resistant antibacterial effect is poor due to poor dispersibility of the composite material in polyester melt, and particularly the function is poor due to the fact that the composite material is carried in a long-term cleaning process, so that dyeing and the color fastness of dyeing are reduced, the quality and performance of the fiber are affected, and the stable production of the superfine denier polyester fiber is further affected.
The folding-resistant polyester monofilament is obtained by melt extrusion of folding-resistant particles, compatilizer and PET particles, and then melt spinning of the folding-resistant master batch.
The mass fraction of the folding-resistant particles in the folding-resistant master batch is 3%;
the mass fraction of the compatilizer in the folding-resistant master batch is 1 percent.
The antibacterial effect of the folding-resistant dacron monofilament on staphylococcus aureus is more than 94%, and the antibacterial effect on escherichia coli is more than 94%.
A preparation method of folding-resistant particles comprises the following specific steps:
(1) Pretreatment of graphene raw materials
Peeling reed stems to obtain reed straw core layer materials, pickling reed straw cores, then performing alkaline washing pretreatment, and cleaning with clear water for three times to obtain pretreated matters of graphene raw materials;
the acid washing process of the reed straw core is that the strong oxidation acid mixed solution is soaked for 3 to 6 hours at the temperature of 80 to 90 ℃;
the strong-oxidation acidic mixed solution is a mixed solution of nitric acid and hydrogen peroxide, wherein the mass fraction of the nitric acid solution is 10-15%, and the mass fraction of the hydrogen peroxide solution is 10-15%;
the acidic solution with strong oxidizing property is adopted for acidification and activation treatment, so that the cellulose can be fully acidified and activated, and meanwhile, the metal ions can be completely immersed out of the cellulose, and the impurity removal of the metal ions is ensured;
The alkaline process of the reed straw core is that the reed straw core treated by the acidification process is soaked in alkaline alcohol solution for 3-6 hours at 80-90 ℃;
the alkaline alcohol solution is a mixed solution of isopropanol of potassium hydroxide, wherein the molar ratio of the potassium hydroxide to the isopropanol is 1:05;
(2) Functionalization of graphene raw materials
Taking the pretreated matter of the graphene raw material obtained in the step (1) as a raw material, taking the mixed solution of phytic acid and copper phytate as a functional treatment solution, and carrying out functional load reaction under strong stirring, wherein the temperature of the functional load reaction is 80-91 ℃, and the time of the functional load reaction is 20-33 hours; after the functionalized load, adopting ultra-high speed centrifugation to obtain a centrifugal precipitate, and carrying out vacuum drying treatment on the centrifugal precipitate at 82 ℃ to obtain a functionalized substance of the graphene raw material;
the mass fraction of the phytic acid in the functional treatment liquid is 3%;
the mass fraction of the copper phytate in the functional treatment liquid is 8%;
(3) Carbonization of graphene feedstock
Taking the functionalized compound of the graphene raw material prepared in the step (2) as a raw material, and performing oxidization treatment and carbonization treatment to obtain a carbonized compound of the graphene raw material;
(4) Modification of graphene
Uniformly stirring and mixing the carbonized material of the graphene raw material prepared in the step (3) and potassium nitrate serving as raw materials, continuously conveying a mixed gas of the material and low-oxygen nitrogen, performing high-temperature explosion graphitization reaction on the carbonized material of the graphene raw material in a low-oxygen atmosphere, collecting gas at a mixed gas outlet of the high-temperature explosion graphitization reaction, and cooling and collecting to obtain a graphene modified material; as shown in FIG. 2, the characteristic peak of the graphitization degree corresponds to 1595cm < -1 > in the graph of the graphene modified substance, the disordered carbon layer structure in the graphene corresponds to 1350cm < -1 >, and the intensity ratio of the peak is 16.3, so that the prepared material is high in graphitization degree, meanwhile, the specific 2D peak of the graphene material can be obviously seen in the graph, and the 2D peak is high, so that the prepared biomass graphene is good in quality. FIG. 3 is a scanning electron microscope image of a graphene modification; FIG. 4 is a transmission electron microscope image of a graphene modification; the graphene is in a lamellar structure, and in an electron microscope photo, lamellar layers of the graphene can be clearly distinguished, and the graphene contains loaded functional particle materials.
The mass ratio of the carbide to the potassium nitrate of the graphene raw material is 1:0.08;
The temperature in the high-temperature explosion graphitization process is 1000-2100 ℃, wherein the volume fraction of oxygen in the low-oxygen nitrogen atmosphere is 3-5%;
the volume ratio of the materials to the mixed gas in the continuous conveying process is 1:1000;
the conveying flow rate of the mixed gas is 8-21L/min.
(5) Preparation of fold-resistant particles
Grinding the graphene modified product prepared in the step (4), nano barium sulfate and core-shell mesoporous aluminosilicate, and then adding glycol for melt extrusion to obtain folding-resistant particles;
the mass fraction of the graphene modifier in the folding-resistant particles is 20%.
The mass fraction of the nano barium sulfate in the folding-resistant particles is 10%.
The mass fraction of the ethylene glycol in the folding-resistant particles is 10%.
The application takes core-shell mesoporous aluminosilicate as a functional carrier, because the core-shell mesoporous aluminosilicate is of a microsphere structure, the microsphere has a superparamagnetism inner core protected by compact silicon dioxide, a single-layer ordered mesoporous aluminosilicate shell which is highly open and pore channels which are regularly arranged, and the pore walls have high-density acidic active sites, the pore diameter is large, and the graphene modifier and the nano barium sulfate are easy to adsorb in the pores of the microsphere through a grinding process, so that the composite function is realized; the microsphere and slow release functions are realized, the strength of the product is finally improved by utilizing nano barium sulfate and core-shell mesoporous aluminosilicate, and the antibacterial property of the product is improved by utilizing graphene modified substances, so that the folding resistance and the antibacterial property are unified in a dual mode.
Core-shell mesoporous aluminosilicate: (1) Dispersing ferroferric oxide into ethanol by a stoner method, and then adding the ethanol into TEOS and ammonia water to prepare a ferroferric oxide@silicon dioxide composite material; taking an amphoteric block copolymer polystyrene-b-poly 4-vinylpyridine (Ps-b-P4 VP) as a guiding agent, adding aluminum hydroxide and TEOS to react to prepare ferroferric oxide@silicon dioxide-Ps-b-P4 VP/aluminum hydroxide/silicon dioxide; finally, calcining to remove the amphiphilic block copolymer Ps-b-P4VP to obtain the core-shell mesoporous aluminosilicate. See Amphiphilic Block Copolymers Directed Interface Coassembly to Construct Multifunctional Microspheres with Magnetic Core and Monolayer Mesoporous Aluminosilicate Shell for details of the preparation (Adv.Mater., 2018,DOI:10.1002/adma.201800345).
Example 2
A partially hollow warp knit spacer fabric comprises a skin layer, a tie layer, and a base layer, the skin layer and base layer being joined by the tie layer.
The connecting layer is partially connected, two ends of the surface layer and the bottom layer are connected through the connecting layer, the middle positions of the surface layer and the bottom layer are partially connected, and the connecting part forms a three-layer solid structure of the surface layer, the connecting layer and the bottom layer; while the unattached portions form a partially hollow structure of the top and bottom layers.
The connected parts form a three-layer solid structure, and play a supporting role.
The partially hollow structure has good ventilation effect and good visual stimulation, especially in the case of chromatic aberration of the surface layer and the bottom layer. Particularly in the technical field of shoe materials, partial hollows and partial solides are needed, for example, the vamp needs to be partially hollow to play a role in ventilation, and the vamp needs to be of a solid structure to play a role in support.
The connecting layer is 150D cation low stretch yarn.
The surface layer is made of folding-resistant polyester monofilament.
The bottom layer is high-strength terylene monofilament.
The high-strength polyester monofilament is obtained by melt-extruding a modifier, a compatilizer and PET particles to obtain a high-strength master batch, and then melt-spinning the high-strength polyester master batch to obtain the high-strength polyester monofilament.
The mass fraction of the modifier in the high-strength master batch is 10%.
The mass fraction of the compatilizer in the high-strength master batch is 3%.
The antibacterial effect of the high-strength terylene monofilament on staphylococcus aureus is more than 94 percent, and the antibacterial effect on escherichia coli is more than 94 percent.
Dispersing superparamagnetic nickel colloid nano crystal clusters in ethanol solution of deionized water, and then adding dilute sulfuric acid solution; continuing high-speed stirring and dispersing, wherein the stirring rotating speed is 3000-4500 rpm, and the dispersing time is 1-3 h; then under the condition of medium-speed stirring, the stirring speed is 1000-1500 rpm, the stirring time is 1-3 h, zinc sulfate solution is slowly added into the system, after the zinc sulfate solution is added, the reaction temperature is raised to 40-60 ℃ for continuous reaction for 1-2 h, zinc ions are adsorbed on the surface of the superparamagnetic nickel colloid nano crystal cluster, and then separation and vacuum drying are carried out to obtain two layers of antibacterial agents; under the normal temperature condition, adding two layers of antibacterial agents into hydrogen peroxide for ultrasonic dispersion for 2-6 h, adding an aqueous solution of titanyl sulfate after ultrasonic dispersion, carrying out low-speed stirring reaction, wherein the stirring rotation speed is 400-600 r/min, the stirring time is 1-3 h, and after filtration, raising the temperature of the product to 480 ℃ at a heating rate of 12 ℃/min under the anaerobic or oxygen-deficient atmosphere, and staying for 3-6 h to obtain the three layers of antibacterial agents; the three-layer antibacterial agent, graphene oxide and core-shell mesoporous aluminosilicate are subjected to low-temperature grinding and then high-temperature grinding to obtain a composite material, and the low-temperature grinding and then high-temperature grinding processes are as follows: the low-temperature grinding temperature is controlled to be 20-30 ℃, the grinding time is 1-2 hours, the high-temperature grinding temperature is controlled to be 70-85 ℃, and the grinding time is 1-3 hours; taking a composite material as a raw material, stirring at a high speed in normal temperature under the condition of normal temperature, performing ultrasonic dispersion, wherein the stirring speed is 2200-3200 r/min, the dispersion time is 1-4 h, adding toluene diisocyanate in a nitrogen atmosphere, reacting for 1-2 h at the reaction temperature of 90-110 ℃, then performing reduced pressure distillation for 1 h at the temperature of 105-115 ℃ after the reaction is finished, and then performing vacuum drying on a reduced pressure distillation product at the temperature of 125 ℃ for 50 h to prepare the modifier;
Controlling the mass ratio of the superparamagnetic nickel colloid nano crystal cluster to zinc sulfate in the zinc sulfate solution to be 9:1; the mass fraction of the superparamagnetic nickel colloid nano crystal clusters in the ethanol solution of deionized water is 10%; the volume ratio of water to ethanol in the ethanol solution of deionized water is 1:1; the mass fraction of the dilute sulfuric acid solution is 5-10%, and the dilute sulfuric acid solution mainly plays a role in acidizing the superparamagnetic nickel colloid nano crystal cluster; the zinc ions are easily adsorbed on the surface of the superparamagnetic nickel colloid nano crystal cluster, and then the zinc oxide adsorption layer is formed on the surface of the superparamagnetic nickel colloid nano crystal cluster after the separation of the fine work and the vacuum drying.
The mass fraction of the two layers of antibacterial agents in the hydrogen peroxide is 20%;
the mass ratio of the two layers of antibacterial agents to the titanyl sulfate in the titanyl sulfate aqueous solution is 10:1;
the mass concentration of the composite material in the normal hexane is 35-50 g/L;
the molar ratio of toluene diisocyanate to the composite material was 1:20.
The folding-resistant polyester monofilament is obtained by melt extrusion of folding-resistant particles, compatilizer and PET particles, and then melt spinning of the folding-resistant master batch.
The mass fraction of the folding-resistant particles in the folding-resistant master batch is 5%;
The mass fraction of the compatilizer in the folding-resistant master batch is 2%.
The antibacterial effect of the folding-resistant dacron monofilament on staphylococcus aureus is more than 94%, and the antibacterial effect on escherichia coli is more than 94%.
A preparation method of folding-resistant particles comprises the following specific steps:
(1) Pretreatment of graphene raw materials
Peeling reed stems to obtain reed straw core layer materials, pickling reed straw cores, then performing alkaline washing pretreatment, and cleaning with clear water for three times to obtain pretreated matters of graphene raw materials;
the acid washing process of the reed straw core is that the strong oxidation acid mixed solution is soaked for 3 to 6 hours at the temperature of 80 to 90 ℃;
the strong-oxidation acidic mixed solution is a mixed solution of nitric acid and hydrogen peroxide, wherein the mass fraction of the nitric acid solution is 10-15%, and the mass fraction of the hydrogen peroxide solution is 10-15%;
the acidic solution with strong oxidizing property is adopted for acidification and activation treatment, so that the cellulose can be fully acidified and activated, and meanwhile, the metal ions can be completely immersed out of the cellulose, and the impurity removal of the metal ions is ensured;
the alkaline process of the reed straw core is that the reed straw core treated by the acidification process is soaked in alkaline alcohol solution for 3-6 hours at 80-90 ℃;
The alkaline alcohol solution is a mixed solution of isopropanol of potassium hydroxide, wherein the molar ratio of the potassium hydroxide to the isopropanol is 1:25;
(2) Functionalization of graphene raw materials
Taking the pretreated matter of the graphene raw material obtained in the step (1) as a raw material, taking the mixed solution of phytic acid and copper phytate as a functional treatment solution, and carrying out functional load reaction under strong stirring, wherein the temperature of the functional load reaction is 80-91 ℃, and the time of the functional load reaction is 20-33 hours; after the functionalized load, adopting ultra-high speed centrifugation to obtain a centrifugal precipitate, and carrying out vacuum drying treatment on the centrifugal precipitate at 82 ℃ to obtain a functionalized substance of the graphene raw material;
the mass fraction of the phytic acid in the functional treatment liquid is 3%;
the mass fraction of the copper phytate in the functional treatment liquid is 8%;
(3) Carbonization of graphene feedstock
Taking the functionalized compound of the graphene raw material prepared in the step (2) as a raw material, and performing oxidization treatment and carbonization treatment to obtain a carbonized compound of the graphene raw material;
(4) Modification of graphene
Uniformly stirring and mixing the carbonized material of the graphene raw material prepared in the step (3) and potassium nitrate serving as raw materials, continuously conveying a mixed gas of the material and low-oxygen nitrogen, performing high-temperature explosion graphitization reaction on the carbonized material of the graphene raw material in a low-oxygen atmosphere, collecting gas at a mixed gas outlet of the high-temperature explosion graphitization reaction, and cooling and collecting to obtain a graphene modified material;
The mass ratio of the carbide to the potassium nitrate of the graphene raw material is 1:0.08;
the temperature in the high-temperature explosion graphitization process is 1000-2100 ℃, wherein the volume fraction of oxygen in the low-oxygen nitrogen atmosphere is 3-5%;
the volume ratio of the materials to the mixed gas in the continuous conveying process is 1:1000;
the conveying flow rate of the mixed gas is 8-21L/min.
(5) Preparation of fold-resistant particles
Grinding the graphene modified product prepared in the step (4), nano barium sulfate and core-shell mesoporous aluminosilicate, and then adding glycol for melt extrusion to obtain folding-resistant particles;
the mass fraction of the graphene modifier in the folding-resistant particles is 30%.
The mass fraction of the nano barium sulfate in the folding-resistant particles is 25%.
The mass fraction of the ethylene glycol in the folding-resistant particles is 30%.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the concept of the present invention, and are intended to be within the scope of the present invention.

Claims (1)

1. A partially hollow warp knit spacer fabric comprising a skin layer, a tie layer and a bottom layer, the skin layer and the bottom layer being joined by the tie layer;
The connecting layer is partially connected, two ends of the surface layer and the bottom layer are connected through the connecting layer, the middle positions of the surface layer and the bottom layer are partially connected, and the connecting part forms a three-layer solid structure of the surface layer, the connecting layer and the bottom layer; the unconnected parts form a partially hollow structure of the surface layer and the bottom layer;
the connecting layer is 150D cation low stretch yarn;
the surface layer is made of folding-resistant polyester monofilament;
the bottom layer is made of high-strength polyester monofilament;
the high-strength polyester monofilament is obtained by melt-extruding a modifier, a compatilizer and PET particles to obtain a high-strength master batch, and then melt-spinning the high-strength polyester master batch to obtain the high-strength polyester monofilament;
the mass fraction of the modifier in the high-strength master batch is 5-10%;
the preparation method of the modifier comprises the following specific steps:
dispersing superparamagnetic nickel colloid nano crystal clusters in ethanol solution of deionized water, and then adding dilute sulfuric acid solution; continuing high-speed stirring and dispersing, wherein the stirring rotating speed is 3000-4500 rpm, and the dispersing time is 1-3 h; then under the condition of medium-speed stirring, the stirring speed is 1000-1500 rpm, the stirring time is 1-3 h, zinc sulfate solution is slowly added into the system, after the zinc sulfate solution is added, the reaction temperature is raised to 40-60 ℃ for continuous reaction for 1-2 h, zinc ions are adsorbed on the surface of the superparamagnetic nickel colloid nano crystal cluster, and then separation and vacuum drying are carried out to obtain two layers of antibacterial agents; under the normal temperature condition, adding two layers of antibacterial agents into hydrogen peroxide for ultrasonic dispersion for 2-6 h, adding an aqueous solution of titanyl sulfate after ultrasonic dispersion, carrying out low-speed stirring reaction, wherein the stirring rotation speed is 400-600 r/min, the stirring time is 1-3 h, and after filtration, raising the temperature of the product to 480 ℃ at a heating rate of 12 ℃/min under the anaerobic or oxygen-deficient atmosphere, and staying for 3-6 h to obtain the three layers of antibacterial agents; the three-layer antibacterial agent, graphene oxide and core-shell mesoporous aluminosilicate are subjected to low-temperature grinding and then high-temperature grinding to obtain a composite material, and the low-temperature grinding and then high-temperature grinding processes are as follows: the low-temperature grinding temperature is controlled to be 20-30 ℃, the grinding time is 1-2 hours, the high-temperature grinding temperature is controlled to be 70-85 ℃, and the grinding time is 1-3 hours; the preparation method comprises the steps of taking a composite material as a raw material, stirring at a high speed in normal temperature, performing ultrasonic dispersion in normal hexane solution, wherein the stirring speed is 2200-3200 rpm, the dispersion time is 1-4 h, adding toluene diisocyanate in a nitrogen atmosphere, reacting for 1-2 h at a reaction temperature of 90-110 ℃, distilling for 1 h under reduced pressure at 105-115 ℃ after the reaction is finished, and then drying the product under reduced pressure at 125 ℃ for 50 h under vacuum to obtain the modifier.
CN201810744017.6A 2018-07-09 2018-07-09 Warp knitted spacer fabric with partial hollows Active CN108950852B (en)

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KR102000730B1 (en) * 2019-01-11 2019-10-02 (주)엘에스케이화인텍스 Multi-layer knitted structure fabric with air layer using conductive copper material and integrated antibacterial mask using thereof
CN113119541B (en) * 2021-04-15 2022-06-28 福建凤竹纺织科技股份有限公司 Vamp fabric convenient to waterproof heat dissipation
CN113832593A (en) * 2021-07-19 2021-12-24 信泰(福建)科技有限公司 Multilayer knitted vamp

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