Tearable net cloth

文档序号：776479 发布日期：2021-04-09 浏览：33次中文

阅读说明：本技术 一种可撕裂的网布 (Tearable net cloth ) 是由苏成喻柯文新于 2020-11-29 设计创作，主要内容包括：本发明涉及一种可撕裂的网布,采用单针床3把梳栉进行编织,梳栉GB1,梳栉GB2和梳栉GB3在同一针床进行垫纱成圈编织形成,梳栉GB1形成脱散基础,梳栉GB2、梳栉GB3形成固定区域；在力的作用下可以顺利的撕裂脱散；本申请利用氨纶(或者是纱线)的弹性,固定氨纶的一端,在布样断裂口处施加一个力让氨纶回缩形成脱散达到布样撕裂分离效果；利用氨纶(或者是纱线)断裂处的脱散加上固定一边不脱散达到撕裂分离效果。可以做出很多形式的布样如可撕网布,医疗用的可撕网布,礼物包装等形式。(The invention relates to a tearable mesh, which is formed by weaving a guide bar by adopting a single needle bed 3, wherein the guide bar GB1, the guide bar GB2 and the guide bar GB3 are formed by padding yarn and knitting in a loop mode on the same needle bed, the guide bar GB1 forms a loose foundation, and the guide bar GB2 and the guide bar GB3 form a fixed area; can be smoothly torn and dispersed under the action of force; the elastic separation method has the advantages that one end of the spandex (or yarn) is fixed by utilizing the elasticity of the spandex, and a force is applied to a fracture of the cloth sample to enable the spandex to retract to form the separation so as to achieve the tearing and separating effect of the cloth sample; the tearing and separating effect is achieved by utilizing the raveling of the spandex (or yarn) fracture part and the non-raveling of the fixed side. The cloth sample can be made into various forms such as tearable mesh cloth, tearable mesh cloth for medical use, gift package and the like.)

1. A tearable mesh cloth is characterized in that a single needle bed and three guide bars are adopted for weaving, the guide bar GB1, the guide bar GB2 and the guide bar GB3 are formed by padding yarn and knitting in a loop mode on the same needle bed, the guide bar GB1 forms a loose foundation, and the guide bar GB2 and the guide bar GB3 form a fixed area.

2. A tearable mesh according to claim 1, characterized in that the bar GB1 loops on the mattess yarn to form a ravel area, the bar GB2 and the bar GB3 form a fixed area to facilitate the ravel; wherein, the yarn laying tissue and the threading mode of each guide bar are:

(1) the laying weave of the guide bar GB1 is: 1-0/1-2//;

the threading mode of the guide bar GB1 is as follows: fully penetrating;

(2) the laying stitch of the guide bar GB2 is: 1-2/1-0//;

the threading mode of the guide bar GB2 is as follows: 1, penetrating 5 holes;

(3) for the laying stitch of the bar GB 2: 1-0/1-2//;

the threading mode of the guide bar GB3 is as follows: 1 through 5 empty.

3. A tearable mesh cloth according to claim 1, characterized in that the guide bar GB1 uses the knitting raw material: 70D spandex.

4. A tearable mesh cloth according to claim 1, characterized in that the guide bar GB2 uses the knitting raw material: 100D polyester yarn.

5. A tearable mesh cloth according to claim 1, characterized in that the guide bar GB3 uses the knitting raw material: 100D polyester yarn.

6. The tearable mesh cloth according to claim 4 or 5, wherein a method for preparing the polyester yarn comprises the following specific steps:

dispersing graphite-phase carbon nitride in a sodium hydroxide solution, then adding a silver chloride solution for microwave ultrasonic mixing, filtering and drying a precipitate, and then calcining to obtain double-layer silver oxide-graphite-phase carbon nitride; dispersing the double-layer silver oxide-graphite phase carbon nitride in a potassium hydroxide solution, adding a magnesium chloride solution, and calcining to obtain a three-layer composite structure graphite phase carbon nitride material, wherein the outer layer is magnesium oxide, the middle layer is silver oxide, and the core layer is graphite phase carbon nitride; dispersing the graphite phase carbon nitride material with the three-layer composite structure in an ethanol solution, then adding a citric acid solution, stirring, dispersing and mixing by microwave, then separating to obtain a product, and finally cleaning by using deionized water to obtain a hydrophilic antibacterial agent; carrying out melt granulation on hydrophilic antibacterial agent, pentanediol and polyester slices to obtain hydrophilic slices; and then carrying out melt spinning on the hydrophilic chips and the polyester chips to obtain the polyester yarns.

7. The tearable mesh fabric of claim 1, wherein the mass fraction of magnesium chloride to silver chloride is 1: 1.

8. The tearable mesh fabric according to claim 1, wherein the hydrophilic antimicrobial agent is present in the hydrophilic section in an amount of 1 to 5% by mass.

9. The tearable mesh fabric of claim 1, wherein the mass fraction of pentanediol in the hydrophilic section is 5 to 10%.

10. The tearable mesh cloth according to claim 1, wherein the mass fraction of the hydrophilic slice in the polyester yarn is 10 to 20%.

Technical Field

The invention relates to the technical field of mesh fabrics, in particular to a tearable mesh fabric.

Background

Chinese patent application No. 201720313346.6 relates to a warp-knitted mesh fabric with scanning and identification functions of electronic equipment, which comprises a fabric surface and a body capable of being used for identification, wherein the body is formed by a warp-knitted jacquard machine by using warp-knitted tissues, the body is provided with an identifiable region, the identifiable region is formed by a plurality of concave regions and a plurality of convex regions, the concave regions are knitted chain tissues, and the convex regions are knitted warp-flat tissues or changed warp-flat tissues. The concave area is formed by weaving the chain stitch, the convex area is formed by weaving the warp flat stitch or changing the warp flat stitch, the fabric surface reflecting effect is different due to different stitch areas formed by matching the concave area and the warp flat stitch with the warp flat stitch, and therefore different composition codes in 0-1 states are formed for scanning and identification by electronic equipment. The commodity information of the brand textile products is designed to the recognizable area of the warp-knitted net cloth, so that a customer can conveniently recognize the correct information of the commodities by using electronic equipment to distinguish the authenticity of the commodities when the customer purchases the commodities.

Chinese patent application No. 201720173681.0 relates to a novel three comb screen cloth, including: a first layer, a second layer and a third layer woven from yarns in a warp knitting manner, the first layer and the second layer each woven from 3-combs of 40D filaments, the third layer woven from 2-combs of 40D spandex, wherein the texture records of the first layer include (1-3-1-3, 3-1-3-1) and (3-5-3-5,5-3-5-3) spaced apart from each other, the texture records of the second layer include (3-5-3-5,5-3-5-3) and (1-3-1-3, 3-1-3-1) spaced apart from each other, the texture records of the third layer include (1-2-1-2, 2-1-2-1) and (1-1-1-1,1-1-1-1), the four layers of mesh cloth of the weave structure has reasonable longitudinal and transverse density ratio and compact integral structure, in addition, the first layer and the second layer adopt filaments and have good thermal stability, and the third layer adopts spandex and provides good elasticity and shape retention.

Chinese patent application No. 201721410077.1 relates to a novel screen cloth is woven in mixture to silk screen, and the screen cloth includes a set of warp that is parallel to each other and equidistance and a set of weft that is parallel to each other and equidistance, and warp is perpendicular with weft, and warp interval and line footpath are different with weft interval and line footpath. The distance between adjacent filaments is 10-500 μm, and the diameter is 1-500 μm. The distance between two adjacent wefts is 0.01-300 times and 0.01-50 times of the distance between warps. The utility model discloses a silk screen is woven in the silk thread mixture of different mesh numbers and different line footpaths, makes the screen cloth have more accurate screen printing effect, realizes high-accuracy printing, has reduced the technical degree of difficulty of novel half tone preparation, keeps the stability of screen cloth simultaneously.

Chinese patent application No. 201710356302.6 relates to a method for preparing an anti-aging shading mesh cloth, which comprises the steps of firstly blending tyrosine, benzotriazole compounds, chitosan derivatives and nano zinc oxide powder to prepare a nano ultraviolet absorption additive, and reacting the nano ultraviolet absorption additive with polyurethane, methyl terephthalate and ethylene glycol under the action of a catalyst antimony trichloride to synthesize composite polymer fibers after hydrophilic modification; in the preparation process, the hydrophilic performance of the ultraviolet absorbent is enhanced through the double nano modification and hydrophilic modification, so that the ultraviolet absorbent can be better blended and co-spun with other raw materials in the subsequent preparation process of the high polymer fiber.

Chinese patent application No. 201710090115.8 relates to a braided shoe body, manufacturing method and braided shoe, the braided shoe body of braided shoe body for integrated knitting shaping, the braided shoe body includes shoe body heel, shoe body head, shoe body face and shoe body bottom, wherein the braided yarn of at least one of shoe body heel, shoe body head and shoe body bottom of braided shoe body includes the hot melt silk. The shoes are knitted integrally by adopting knitting yarns, the knitting yarns are soft and elastic, the comfort level of the shoes is high, and the hot melt filaments are added into at least one part of the heel part, the head part and the bottom part of the shoe body of the shoes body, so that the shoes are firm when the comfort level of the shoes is kept. The integrally-formed braided shoe body is simple in manufacturing process and high in efficiency, and meanwhile, the condition that the sewing position is easy to open is avoided.

Chinese patent application number 201520773739.6 relates to a ventilative type three-layer screen cloth, including the screen cloth body, the screen cloth body includes upper strata, lower floor and the intermediate level that supports upper and lower floor, the intermediate level is elasticity interval silk bundle, its characterized in that, the intermediate level is made by the coolax yarn, the utility model discloses three-layer screen cloth, lower floor contact skin's one side absorb sweat and body fluid of discharging at ordinary times, and the transmission of middle spacer layer conduct steam, and the circulation radiating effect of air, upper strata will regard as the heat dissipation evaporation to.

Chinese patent application No. 201710019995.X relates to a sandwich screen cloth with toper mesh, include surface course, bottom and be used for connecting the surface course with the middle level of bottom, the equipartition has first mesh on the surface course, even cloth have on the bottom a plurality ofly with the coaxial second mesh of arranging of first mesh, the area of the cross section of first mesh is greater than the area of the cross section of second mesh, the middle level is at mutual correspondence first mesh with the cavity has between the second mesh. The invention also provides a manufacturing method of the sandwich mesh cloth. Sandwich screen cloth can form the bell mouth between the first mesh and the second mesh that correspond, and the outside air of shoes flows in volume increase behind this bell mouth from the second mesh during use, can spread rapidly in the shoes, and the inside hot-air of shoes then under the impulsive force drive that the shoes motion produced, flows in this bell mouth from first mesh, when the second mesh that flows through, and the air is compressed release heat energy, and gas exchange effect and heat exchange effect are better relatively.

Chinese patent application No. 201520773473.5 relates to a multi-functional three-layer screen cloth, including the screen cloth body, the screen cloth body includes upper strata, lower floor and the intermediate level that supports upper and lower floor, its characterized in that, the intermediate level includes U type elastic fiber silk bundle, lower U type elastic fiber silk bundle and globular elastic spacing silk bundle, it wears to link with the upper strata to go up U type elastic fiber silk bundle, lower U type elastic fiber silk bundle wears to link with the lower floor, go up U type elastic fiber silk bundle trough and the winding of lower U type elastic fiber silk bundle crest department and be connected, globular elastic spacing silk bundle is located the clearance department between upper U type elastic fiber silk bundle and the lower U type elastic fiber silk bundle and wears to link with upper and lower U type elastic fiber silk bundle, the utility model discloses three-layer screen cloth, the one side that lower floor contacted skin is the antibiotic bed of cloth that cationic fiber made, antibiotic deodorization, the intermediate level layer is as buffering elastic layer, the upper COOLMAX yarns can play a role in heat dissipation and evaporation.

Chinese patent application No. 201210335260.5 relates to a space screen cloth combined material, which comprises a PVC face film layer, a space screen cloth layer and a PVC bottom film layer from top to bottom, wherein the space screen cloth layer comprises an upper screen cloth layer and a lower screen cloth layer which are arranged in parallel, and a wire drawing which is vertically arranged between the upper screen cloth layer and the lower screen cloth layer. The preparation method of the space screen cloth composite material comprises the following steps: 1) coating paste on the space net cloth layer; 2) preheating; 3) fitting; 4) cooling, trimming and rolling. According to the space screen cloth composite material, the space screen cloth layer is arranged between the PVC surface film layer and the PVC bottom film layer of the composite material, so that when the space screen cloth composite material is applied to an air cushion product, the air cushion product is flat in surface and attractive in appearance after being inflated; the bearing capacity is good, and the explosion is not easy to happen in the inflation process; the middle space net cloth layer ensures that the air cushion product has good elasticity and good pressure resistance.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a tearable mesh.

The purpose of the invention is realized by the following technical scheme:

a tearable mesh is woven by adopting a single needle bed and three guide bars, wherein the guide bar GB1, the guide bar GB2 and the guide bar GB3 are formed by padding yarn and knitting in a loop mode on the same needle bed, the guide bar GB1 forms a loose foundation, and the guide bar GB2 and the guide bar GB3 form a fixed area; can be torn and dispersed smoothly under the action of force.

The guide bar GB1 is looped on the mattress yarn to form a ravel area, the guide bar GB2 and the guide bar GB3 form a fixed area, and the ravel is facilitated; wherein, the yarn laying tissue and the threading mode of each guide bar are:

(1) the laying weave of the guide bar GB1 is: 1-0/1-2//;

the threading mode of the guide bar GB1 is as follows: fully penetrating;

(2) the laying stitch of the guide bar GB2 is: 1-2/1-0//;

the threading mode of the guide bar GB2 is as follows: 1, penetrating 5 holes;

(3) for the laying stitch of the bar GB 2: 1-0/1-2//;

the threading mode of the guide bar GB3 is as follows: 1, penetrating 5 holes;

the weaving raw materials used by each guide bar are as follows:

the weaving raw materials used by the guide bar GB1 are as follows: 70D spandex;

the weaving raw materials used by the guide bar GB2 are as follows: 100D polyester yarn;

the weaving raw materials used by the guide bar GB3 are as follows: 100D polyester yarn;

a preparation method of polyester yarns comprises the following specific steps:

dispersing graphite-phase carbon nitride in a sodium hydroxide solution, then adding a silver chloride solution for microwave ultrasonic mixing, filtering and drying a precipitate, and then calcining to obtain double-layer silver oxide-graphite-phase carbon nitride; dispersing the double-layer silver oxide-graphite phase carbon nitride in a potassium hydroxide solution, adding a magnesium chloride solution, and calcining to obtain a three-layer composite structure graphite phase carbon nitride material, wherein the outer layer is magnesium oxide, the middle layer is silver oxide, and the core layer is graphite phase carbon nitride; dispersing the graphite phase carbon nitride material with the three-layer composite structure in an ethanol solution, then adding a citric acid solution, stirring, dispersing and mixing by microwave, then separating to obtain a product, and finally cleaning by using deionized water to obtain a hydrophilic antibacterial agent; carrying out melt granulation on hydrophilic antibacterial agent, pentanediol and polyester slices to obtain hydrophilic slices; then carrying out melt spinning on the hydrophilic slice and the polyester slice to obtain polyester yarns;

the mass ratio of the graphite-phase carbon nitride to the sodium hydroxide is 1: 6-1: 12;

the mass ratio of the graphite-phase carbon nitride to the magnesium chloride is 4: 1-6: 1;

the mass fraction of the magnesium chloride and the silver chloride is 1: 1.

The mass ratio of the double-layer silver oxide-graphite phase carbon nitride to the potassium hydroxide is 1: 6-1: 12;

the mass ratio of the graphite phase carbon nitride material with the three-layer composite structure to the ethanol is 1: 2;

the mass ratio of the citric acid to the ethanol is 1: 1;

the mass fraction of the hydrophilic antibacterial agent in the hydrophilic slice is 1-5%.

The mass fraction of the pentanediol in the hydrophilic slice is 5-10%.

The mass fraction of the hydrophilic chips in the polyester yarn is 10-20%.

Dispersing graphite-phase carbon nitride in a sodium hydroxide solution, then adding a magnesium chloride solution and a silver chloride solution for microwave ultrasonic mixing, wherein the graphite-phase carbon nitride firstly adsorbs a layer of silver oxide in the interior and on the surface of the graphite-phase carbon nitride by utilizing a planar two-dimensional lamellar structure similar to graphene; then the same magnesium oxide is adsorbed, the antibacterial property can be more durable by utilizing the protection effect of the magnesium oxide on the silver oxide, so that a good antibacterial function is obtained, and the double antibacterial function is also achieved by adding the graphene which is the graphite phase carbon nitride carrier.

This application utilizes citric acid to carry out surface modification to three-layer composite structure graphite phase carbon nitride material, carries out hydroxylation to three-layer composite structure graphite phase carbon nitride material and ethanol earlier, then improves the citric acid radical in the citric acid and reacts with the hydroxyl in the three-layer composite structure graphite phase carbon nitride material of hydroxylation, forms the adsorbed layer on three-layer composite structure graphite phase carbon nitride material surface, because its surface contains the hydroxyl, improves its compatibility at the polyester chip to improve its dispersion properties, finally improve fibrous bacterinertness.

Compared with the prior art, the invention has the following positive effects:

the elasticity of spandex (or yarn) is utilized to fix one end of the spandex, and a force is applied to a fracture of the cloth sample to enable the spandex to retract to form the run-off, so that the tearing and separating effect of the cloth sample is achieved. The tearing and separating effect is achieved by utilizing the raveling of the spandex (or yarn) fracture part and the non-raveling of the fixed side. The cloth sample can be made into various forms such as tearable mesh cloth, tearable mesh cloth for medical use, gift package and the like. The warp knitted net cloth can be made by the single or double needle bed process. Thereby breaking the limitation that the warp knitting cloth is not easy to be loosened.

Detailed Description

The following provides specific embodiments of a tearable web of the present invention.

Example 1

A tearable mesh is woven by adopting a single needle bed and three guide bars, wherein the guide bar GB1, the guide bar GB2 and the guide bar GB3 are formed by padding yarn and knitting in a loop mode on the same needle bed, the guide bar GB1 forms a loose foundation, and the guide bar GB2 and the guide bar GB3 form a fixed area; can be torn and dispersed smoothly under the action of force.

(1) the laying weave of the guide bar GB1 is: 1-0/1-2//;

the threading mode of the guide bar GB1 is as follows: fully penetrating;

(2) the laying stitch of the guide bar GB2 is: 1-2/1-0//;

the threading mode of the guide bar GB2 is as follows: 1, penetrating 5 holes;

(3) for the laying stitch of the bar GB 2: 1-0/1-2//;

the threading mode of the guide bar GB3 is as follows: 1, penetrating 5 holes;

the weaving raw materials used by each guide bar are as follows:

the weaving raw materials used by the guide bar GB1 are as follows: 70D spandex;

the weaving raw materials used by the guide bar GB2 are as follows: 100D polyester yarn;

the weaving raw materials used by the guide bar GB3 are as follows: 100D polyester yarn;

a preparation method of polyester yarns comprises the following specific steps:

dispersing graphite-phase carbon nitride in a sodium hydroxide solution, then adding a silver chloride solution for microwave ultrasonic mixing, filtering and drying a precipitate, and then calcining to obtain double-layer silver oxide-graphite-phase carbon nitride; dispersing the double-layer silver oxide-graphite phase carbon nitride in a potassium hydroxide solution, adding a magnesium chloride solution, and calcining to obtain a three-layer composite structure graphite phase carbon nitride material, wherein the outer layer is magnesium oxide, the middle layer is silver oxide, and the core layer is graphite phase carbon nitride; dispersing the graphite phase carbon nitride material with the three-layer composite structure in an ethanol solution, then adding a citric acid solution, stirring, dispersing and mixing by microwave, then separating to obtain a product, and finally cleaning by using deionized water to obtain a hydrophilic antibacterial agent; carrying out melt granulation on hydrophilic antibacterial agent, pentanediol and polyester slices to obtain hydrophilic slices; then carrying out melt spinning on the hydrophilic slice and the polyester slice to obtain polyester yarns;

the mass ratio of the graphite phase carbon nitride to the sodium hydroxide is 1: 6;

the mass ratio of the graphite-phase carbon nitride to the magnesium chloride is 4: 1;

the mass fraction of the magnesium chloride and the silver chloride is 1: 1.

The mass ratio of the double-layer silver oxide-graphite phase carbon nitride to the potassium hydroxide is 1: 6;

the mass ratio of the graphite phase carbon nitride material with the three-layer composite structure to the ethanol is 1: 2;

the mass ratio of the citric acid to the ethanol is 1: 1;

the mass fraction of the hydrophilic antibacterial agent in the hydrophilic slice is 1%.

The mass fraction of pentanediol in the hydrophilic section was 5%.

The mass fraction of the hydrophilic chips in the polyester yarn is 10%.

The polyester yarn has the antibacterial performance that the antibacterial rate of escherichia coli is 98.0%, the antibacterial rate of staphylococcus aureus is 98.2%, and the antibacterial rate of streptococcus albus is 96.8%.

Example 2

(1) the laying weave of the guide bar GB1 is: 1-0/1-2//;

the threading mode of the guide bar GB1 is as follows: fully penetrating;

(2) the laying stitch of the guide bar GB2 is: 1-2/1-0//;

the threading mode of the guide bar GB2 is as follows: 1, penetrating 5 holes;

(3) for the laying stitch of the bar GB 2: 1-0/1-2//;

the threading mode of the guide bar GB3 is as follows: 1, penetrating 5 holes;

the weaving raw materials used by each guide bar are as follows:

the weaving raw materials used by the guide bar GB1 are as follows: 70D spandex;

the weaving raw materials used by the guide bar GB2 are as follows: 100D polyester yarn;

the weaving raw materials used by the guide bar GB3 are as follows: 100D polyester yarn;

a preparation method of polyester yarns comprises the following specific steps:

dispersing graphite-phase carbon nitride in a sodium hydroxide solution, then adding a silver chloride solution for microwave ultrasonic mixing, filtering and drying a precipitate, and then calcining to obtain double-layer silver oxide-graphite-phase carbon nitride; dispersing the double-layer silver oxide-graphite phase carbon nitride in a potassium hydroxide solution, adding a magnesium chloride solution, and calcining to obtain a three-layer composite structure graphite phase carbon nitride material, wherein the outer layer is magnesium oxide, the middle layer is silver oxide, and the core layer is graphite phase carbon nitride; dispersing the graphite phase carbon nitride material with the three-layer composite structure in an ethanol solution, then adding a citric acid solution, stirring, dispersing and mixing by microwave, then separating to obtain a product, and finally cleaning by using deionized water to obtain a hydrophilic antibacterial agent; carrying out melt granulation on hydrophilic antibacterial agent, pentanediol and polyester slices to obtain hydrophilic slices; then carrying out melt spinning on the hydrophilic slice and the polyester slice to obtain polyester yarns;

the mass ratio of the graphite phase carbon nitride to the sodium hydroxide is 1: 9;

the mass ratio of the graphite-phase carbon nitride to the magnesium chloride is 5: 1;

the mass fraction of the magnesium chloride and the silver chloride is 1: 1.

The mass ratio of the double-layer silver oxide-graphite phase carbon nitride to the potassium hydroxide is 1: 9;

the mass ratio of the graphite phase carbon nitride material with the three-layer composite structure to the ethanol is 1: 2;

the mass ratio of the citric acid to the ethanol is 1: 1;

the mass fraction of the hydrophilic antibacterial agent in the hydrophilic slice is 3%.

The mass fraction of pentanediol in the hydrophilic section was 7%.

The mass fraction of the hydrophilic chips in the polyester yarn is 15%.

The polyester yarn has the antibacterial performance that the antibacterial rate of escherichia coli is 98.5%, the antibacterial rate of staphylococcus aureus is 98.9%, and the antibacterial rate of streptococcus albus is 97.5%.

Example 3

(1) the laying weave of the guide bar GB1 is: 1-0/1-2//;

the threading mode of the guide bar GB1 is as follows: fully penetrating;

(2) the laying stitch of the guide bar GB2 is: 1-2/1-0//;

the threading mode of the guide bar GB2 is as follows: 1, penetrating 5 holes;

(3) for the laying stitch of the bar GB 2: 1-0/1-2//;

the threading mode of the guide bar GB3 is as follows: 1, penetrating 5 holes;

the weaving raw materials used by each guide bar are as follows:

the weaving raw materials used by the guide bar GB1 are as follows: 70D spandex;

the weaving raw materials used by the guide bar GB2 are as follows: 100D polyester yarn;

the weaving raw materials used by the guide bar GB3 are as follows: 100D polyester yarn;

a preparation method of polyester yarns comprises the following specific steps:

dispersing graphite-phase carbon nitride in a sodium hydroxide solution, then adding a silver chloride solution for microwave ultrasonic mixing, filtering and drying a precipitate, and then calcining to obtain double-layer silver oxide-graphite-phase carbon nitride; dispersing the double-layer silver oxide-graphite phase carbon nitride in a potassium hydroxide solution, adding a magnesium chloride solution, and calcining to obtain a three-layer composite structure graphite phase carbon nitride material, wherein the outer layer is magnesium oxide, the middle layer is silver oxide, and the core layer is graphite phase carbon nitride; dispersing the graphite phase carbon nitride material with the three-layer composite structure in an ethanol solution, then adding a citric acid solution, stirring, dispersing and mixing by microwave, then separating to obtain a product, and finally cleaning by using deionized water to obtain a hydrophilic antibacterial agent; carrying out melt granulation on hydrophilic antibacterial agent, pentanediol and polyester slices to obtain hydrophilic slices; then carrying out melt spinning on the hydrophilic slice and the polyester slice to obtain polyester yarns;

the mass ratio of the graphite phase carbon nitride to the sodium hydroxide is 1: 12;

the mass ratio of the graphite-phase carbon nitride to the magnesium chloride is 6: 1;

the mass fraction of the magnesium chloride and the silver chloride is 1: 1.

The mass ratio of the double-layer silver oxide-graphite phase carbon nitride to the potassium hydroxide is 1: 12;

the mass ratio of the graphite phase carbon nitride material with the three-layer composite structure to the ethanol is 1: 2;

the mass ratio of the citric acid to the ethanol is 1: 1;

the mass fraction of the hydrophilic antibacterial agent in the hydrophilic slice is 5%.

The mass fraction of pentanediol in the hydrophilic section was 10%.

The mass fraction of the hydrophilic chips in the polyester yarn is 20%.

The polyester yarn has the antibacterial performance that the antibacterial rate of escherichia coli is 99.0%, the antibacterial rate of staphylococcus aureus is 99.2%, and the antibacterial rate of streptococcus albus is 98.8%.

Example 4