CN109402839B - Antibacterial polyester fiber lining cloth and production process thereof - Google Patents

Antibacterial polyester fiber lining cloth and production process thereof Download PDF

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Publication number
CN109402839B
CN109402839B CN201811372424.5A CN201811372424A CN109402839B CN 109402839 B CN109402839 B CN 109402839B CN 201811372424 A CN201811372424 A CN 201811372424A CN 109402839 B CN109402839 B CN 109402839B
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polyester fiber
antibacterial
lining cloth
yarns
fiber low
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CN109402839A (en
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顾柏坤
严雪峰
徐山青
王海峰
姚理荣
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Nantong Yuanyou Textile Technology Co ltd
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Nantong Yuanyou Textile Technology Co ltd
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    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
    • D03D15/56—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads elastic
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J13/00—Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
    • D06B3/28—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics propelled by, or with the aid of, jets of the treating material
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C7/00—Heating or cooling textile fabrics
    • D06C7/02—Setting
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M10/00—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements
    • D06M10/02—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements ultrasonic or sonic; Corona discharge
    • D06M10/025—Corona discharge or low temperature plasma
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/83—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/16—Synthetic fibres, other than mineral fibres
    • D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M2101/32—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]

Abstract

The invention relates to an antibacterial polyester fiber lining cloth and a production process thereof, wherein the lining cloth is woven and comprises warp yarns and weft yarns, wherein the warp yarns and the weft yarns comprise antibacterial modified polyester fiber low stretch yarns; the production process comprises the steps of modifying the surface of a common polyester fiber to generate functional groups such as hydroxyl, carboxyl and the like on the surface, adsorbing a large amount of silver ions to serve as a basis for reducing nucleation growth of nano silver particles, continuously accumulating the growth into silver atoms after meeting a reducing agent, finally growing the silver atoms into nano silver particles, preheating the silver-loaded polyester fiber at high temperature to soften the surface of the polyester fiber, embedding the polyester fiber into the surface of the fiber under the action of certain negative pressure, and rapidly cooling and forming to ensure that the nano silver particles grow on the surface of the polyester fiber in an embedded manner; the invention solves the problems of poor antibacterial effect, high production cost and difficult guarantee of antibacterial durability of the lining cloth in the prior art, improves the antibacterial performance of the lining cloth, has durable antibacterial property, and does not weaken the antibacterial property after being washed by water for many times.

Description

Antibacterial polyester fiber lining cloth and production process thereof
Technical Field
The invention relates to the technical field of spinning, in particular to antibacterial polyester fiber lining cloth and a production process thereof.
Background
The lining cloth is a special clothing accessory which is used for the inner layer of clothing to play the roles of reinforcement, stiffness, smoothness and the like and is bonded with the fabric by taking woven fabrics, knitted fabrics and non-woven fabrics as base fabrics and adopting a thermoplastic high molecular compound and carrying out special finishing processing through special machinery. The lining cloth is the framework of the clothes, the good lining cloth is the essence of the clothes, especially the application of the modern lining cloth, the clothes modeling and sewing process obtains unexpected effects, and the function of the lining cloth can be roughly summarized into the following aspects:
1. endowing the clothes with good curves and shapes;
2. the stiffness and elasticity of the clothes are enhanced, and the stereoscopic impression is enhanced;
3. the drapability and the fabric hand feeling of the garment are improved, and the comfort of the garment is enhanced;
4. the thickness, fullness and heat preservation of the clothes are improved;
5. the deformation of the clothes is prevented, so that the clothes keep the original shape after being worn and washed;
6. it has reinforcing and strengthening effects on some parts of the garment.
The lining cloth is divided into woven lining cloth, knitted lining cloth and non-woven lining cloth according to the base cloth, wherein the woven lining cloth is used most, the adhesive lining cloth generally needs to be glued or sprayed with glue on the woven base cloth, then is dried and the like, and is directly thermally adhered and compounded with the garment material at the later stage, so that the effects of reinforcement, crease resistance, stiffness and the like are achieved.
The existing functional lining cloth is more and more, wherein the antibacterial adsorption functional lining cloth is one of the functional lining cloth, and the traditional lining cloth generally adopts common polyester fiber and cotton fiber, so that the antibacterial performance is not achieved. The existing antibacterial method mainly comprises the following steps: 1. the natural or regenerated antibacterial fiber (bamboo fiber, hemp fiber and chitin fiber) is directly adopted, so that the cost is high; 2. the antibacterial agent is added into the spinning solution during the spinning of the chemical fiber, and in order to ensure the spinnability and spinning uniformity, the addition amount is limited, and the antibacterial effect is poor; 3. the conventional antibacterial after-finishing is carried out on the fabric, the lasting antibacterial property is difficult to ensure, and the durability is poor.
Chinese patent CN204930484U discloses an antibacterial breathable adhesive interlining, which is characterized in that polyester fibers and cotton fibers of the traditional interlining are replaced by mixed fibers of polyester fibers, cotton fibers and chitin fibers, so that the traditional interlining has antibacterial property, and antibacterial substances are added in dyes of woven base cloth, so that the antibacterial property of the interlining is further increased; the invention has high production cost and limited durability of the optimal antibacterial performance.
Chinese patent CN207535426U discloses an antibacterial breathable adhesive lining cloth, which comprises a base cloth, wherein the top and the bottom of the base cloth are coated with a coating, and TiO is added in the coating2When it is irradiated by the sun or ultraviolet rays, it forms active oxygen with oxygen or moisture in the air, and active OH is generated on the surface-、O2The antibacterial fabric has a strong oxidation effect, so that bacteria are decomposed to play a role in sterilization, the base cloth is composed of an upper layer of base cloth and a lower layer of base cloth, elastic fibers are arranged between the upper layer of base cloth and the lower layer of base cloth, and the antibacterial agent is coated on the elastic fibers to enhance the antibacterial capability.
Chinese patent CN204682609U discloses a bamboo fiber bonded antibacterial lining cloth, which adopts low-melting point polyester fiber and natural bamboo fiber blended yarn, wherein the low-melting point polyester fiber accounts for 3-70% of the natural bamboo fiber by mass, and the number of warps and wefts is 6-80.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide an antibacterial polyester fiber lining cloth which has good antibacterial effect and durable antibacterial property, and the antibacterial property of the antibacterial polyester fiber lining cloth is not weakened after multiple times of washing, and a production process thereof, wherein the technical scheme is as follows:
a production process of antibacterial polyester fiber lining cloth comprises the following steps:
s1, performing surface modification treatment on the common polyester fiber low-stretch yarns by adopting low-temperature plasmas, wherein the fineness of the common polyester fiber low-stretch yarns is 15-50D, and preparing modified polyester fiber low-stretch yarns;
s2, carrying out surface in-situ growth nano silver particle treatment on the modified polyester fiber low stretch yarn prepared in the step S1 to prepare a silver-loaded polyester fiber low stretch yarn;
s3, preheating the silver-loaded polyester fiber low-elasticity filament prepared in the step S2 at high temperature to soften the surface of the fiber, then carrying out negative pressure bin treatment to instantly release pressure, and then rapidly cooling by cooling air to embed nano silver particles into the surface of the fiber to prepare the antibacterial polyester fiber low-elasticity filament so as to improve the load fastness of the nano silver particles;
s4, weaving and finishing the lining cloth by adopting the antibacterial polyester fiber low stretch yarn prepared in the step S3.
Preferably, the high-temperature preheating temperature in the step S3 is 200 to 250 ℃, the pressure of the negative pressure bin is 0.1 to 0.5 kg, the temperature of the cooling air is below 20 ℃, and the cooling time is 8 to 20S.
Preferably, the preparation of the modified polyester fiber low stretch yarn in the step S1 comprises the following steps:
s11, drying the common polyester fiber low-stretch yarn in an oven at the drying temperature of 60-90 ℃;
and S12, carding and arranging the dried low stretch yarn of the polyester fiber in order, and then placing the polyester fiber in a low-temperature plasma treatment system for plasma gas treatment, wherein the gas source is oxygen.
Preferably, the process conditions of the gas treatment in step S12 are: the gas flow is 20-100 cc/min, the treatment time is 5-20 min, the treatment power is 100-500W, and the negative pressure is 0.1-0.01 mPa.
Preferably, the preparation of the silver-loaded polyester fiber low stretch yarn in the step S2 comprises the following steps:
s21, placing the modified polyester fiber low-stretch yarn into deionized water, adding a silver nitrate solution, wherein the concentration of the silver nitrate solution is 0.1-0.5 mmol/L, and fully stirring to obtain a mixed solution;
s22, adding excessive reducing agent into the mixed solution of the step S21, and reacting at a certain temperature for a certain time;
and S23, after the reaction is finished, washing with a large amount of deionized water, and drying in an oven to obtain the silver-loaded polyester fiber low stretch yarn.
Preferably, in the step S21, the ratio of the modified polyester fiber low stretch yarn to the deionized water is 1 g/(80-120) ml, and the volume ratio of the silver nitrate solution to the deionized water is 1: 5-12.
Preferably, in the step S22, the reducing agent is a sodium citrate solution with a concentration of 0.1-0.5 mmol/L, the volume ratio of the sodium citrate solution to the silver nitrate solution is 2: 1-4: 1, the reaction time is 6-8 h, and the reaction temperature is 100-130 ℃.
Preferably, in the step S22, the reducing agent is a sodium borohydride aqueous solution, the concentration is 0.1 to 0.5mmol/L, the volume ratio of the sodium borohydride aqueous solution to the silver nitrate solution is 2:1 to 4:1, the reaction time is 20 to 30min, and the reaction temperature is normal temperature.
Preferably, the step S4 of weaving and finishing the lining cloth includes the following steps:
s41, warping: warping the antibacterial polyester fiber low stretch yarn prepared in the step S3, adjusting the tension of warp yarns by using a tensioner, controlling the tension of single yarns to be 5-8 cN, enabling the single yarns to be uniformly distributed on a warp beam or a loom beam, and warping oil solution according to a proportion of 3-5% during warping;
s42, weaving by a water jet loom: carrying out water-jet weaving by using the antibacterial polyester fiber low stretch yarn warped in the step S41 as warp and weft yarns, wherein a rear beam of a water-jet loom is an active rear beam capable of actively moving, the difference of the axial tension wave peak to the wave trough is reduced from 13kg to 4kg, and a U-shaped double nozzle is adopted;
s43, drying: drying the antibacterial lining cloth fabric woven in the step S42 by hot air, wherein the temperature of the hot air is 90-100 ℃, and the conveying speed is 15-25 m/min;
s44, dyeing: dyeing the antibacterial lining cloth fabric dried in the step S43, wherein the width before dyeing is 70-78 inches, and dyeing is carried out by adopting an overflow dyeing machine, and the width after dyeing is 56-57 inches;
s45, shaping: tentering and setting the antibacterial lining cloth fabric dyed in the step S44 through a tentering setting machine, wherein the setting temperature is 150-250 ℃, and the width after setting is 60-63 inches;
s46, winding and packaging: and (5) cooling and inspecting the antibacterial lining cloth fabric subjected to tentering and setting in the step S45, and finally coiling and packaging by using a cloth rolling frame.
The antibacterial polyester fiber lining cloth prepared by the production process is woven and comprises warp yarns and weft yarns, wherein the warp yarns and the weft yarns comprise antibacterial modified polyester fiber low stretch yarns, antibacterial nano silver particles grow on the surfaces of the antibacterial modified polyester fiber low stretch yarns in situ, and the fineness of the antibacterial modified polyester fiber low stretch yarns is 15-50D, preferably 25-35D.
Preferably, the fineness of the antibacterial modified polyester fiber low stretch yarn is 25-35D.
The beneficial technical effects obtained by the invention are as follows:
1) the invention solves the problems of poor antibacterial effect, high production cost and difficult guarantee of antibacterial durability of the lining cloth in the prior art, improves the antibacterial performance of the lining cloth by adopting plasma to carry out surface modification on polyester fiber and adding a combined reaction of silver nitrate solution and a reducing agent, has durable antibacterial property, and does not weaken the antibacterial property after being washed for many times;
2) the antibacterial polyester fiber produced by the invention is processed into antibacterial polyester woven lining cloth through a weaving process, the lining cloth is woven by warp yarns and weft yarns, the structure is stable, the cloth cover is flat, and the nano silver particles on the surface of the lining cloth are uniformly distributed, so that the uniform antibacterial performance of the surface of the lining cloth is improved; in the weaving process, the warp is uniformly distributed on a warp beam or a beam by controlling the tension of polyester monofilaments to be 5-8 cN through a tensioner, a warping oiling agent is applied, the back beam of the water-jet loom is changed into an active type rear beam capable of actively moving, the difference of the shaft tension peak to the wave trough is reduced from 13kg to 4kg, the tension fluctuation is effectively reduced, the weaving efficiency is improved, and the bundling property of a waterline is greatly improved by adopting a U-shaped double-nozzle; the technical transformation of the water jet loom improves the weaving efficiency and solves the technical problem that fine denier polyester yarns are difficult to weave;
3) the polyester fiber low-elasticity filament is placed in a low-temperature plasma treatment system, oxygen is used as a gas source, surface modification treatment is carried out on the polyester fiber low-elasticity filament, functional groups such as hydroxyl, carboxyl and the like are generated on the surface of the polyester fiber low-elasticity filament, a large number of silver ions can be adsorbed, and the functional groups such as the hydroxyl, the carboxyl and the like are used as the basis for reducing the nucleation and growth of nano silver particles;
4) the modified polyester fiber low stretch yarn is placed in deionized water, a silver nitrate solution with the concentration of 0.1-0.5 mmol/L is added, the surfaces of hydroxyl functional groups and carboxyl functional groups can adsorb silver ions, the hydroxyl functional groups and the carboxyl functional groups which can adsorb the silver ions can be used as the basis for reducing the nucleation growth of nano silver particles, the growth continuously occurs after a reducing agent is met, silver atoms are accumulated, and finally the silver atoms are grown into the nano silver particles;
5) in order to further improve the load fastness of the nano silver particles on the polyester fiber, after the nano silver is reduced, the silver-loaded polyester fiber is preheated at high temperature to soften the surface of the polyester fiber, the nano silver absorbs heat more easily than a polymer and becomes a hot point, the nano silver is embedded into the surface of the fiber under the action of certain negative pressure, and the nano silver particles grow on the surface of the polyester fiber in an embedded manner after being rapidly cooled and formed, so that the nano silver particles can play a role in lasting antibacterial property, and the antibacterial property is not weakened after multiple times of washing.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic diagram of the principle of the modification of the low stretch yarn of the polyester fiber of the present invention;
FIG. 2 is a flow chart of the production process of the antibacterial polyester fiber lining cloth;
FIG. 3 is a process flow diagram of the preparation of a modified polyester fiber low stretch yarn by plasma treatment according to the present invention;
FIG. 4 is a process flow diagram for the preparation of silver-loaded polyester low stretch yarn of the present invention;
FIG. 5 is a process flow diagram for the weaving of the interlining fabric of the present invention;
FIG. 6 is a diagram showing the bacteriostatic effect of the antibacterial polyester fiber lining cloth prepared in example 2 on Escherichia coli after being washed for a plurality of times;
fig. 7 is a graph showing the bacteriostatic effect of the antibacterial polyester fiber lining cloth prepared in comparative example 4 on escherichia coli after being washed for a plurality of times.
Detailed Description
Technical solutions of the present invention will be described in detail below by way of embodiments with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto.
The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, B exists alone, and A and B exist at the same time, and the term "/and" is used herein to describe another association object relationship, which means that two relationships may exist, for example, A/and B, may mean: a alone, and both a and B alone, and further, the character "/" in this document generally means that the former and latter associated objects are in an "or" relationship.
As shown in fig. 1, the principle schematic diagram of the modification of the polyester fiber low stretch yarn is that after the polyester fiber is treated by oxygen plasma, the fiber surface of the polyester fiber can generate functional groups such as hydroxyl and carboxyl, after silver nitrate is added, the surfaces of the hydroxyl and carboxyl functional groups can adsorb silver ions, the hydroxyl and carboxyl functional groups which adsorb the silver ions can be used as the basis for reducing the nucleation and growth of the nano silver particles, the growth continuously generates silver atoms after meeting a reducing agent, and finally the silver atoms are increased into the nano silver particles, so that the antibacterial property can be durable, and the antibacterial property is not weakened after multiple water washes.
Example 1
As shown in fig. 2, a production process of an antibacterial polyester fiber lining cloth comprises the following steps:
s1, performing surface modification treatment on the common polyester fiber low-stretch yarn by adopting low-temperature plasma, wherein the fineness of the common polyester fiber low-stretch yarn is 15D, and preparing the modified polyester fiber low-stretch yarn.
As shown in fig. 3, the preparation of the modified polyester fiber low stretch yarn comprises the following steps:
s11, drying the common polyester fiber low-elasticity yarns in an oven, wherein the drying temperature is 60 ℃, the moisture regain of the polyester fiber low-elasticity yarns is low, but a small amount of water molecules have hydrogen bonding effect in the polyester fiber low-elasticity yarns and are difficult to remove, and the drying can be carried out at high temperature;
s12, carding and arranging the dried polyester fiber low stretch yarns orderly, and then placing the polyester fiber low stretch yarns in a low-temperature plasma processing system for plasma gas processing, wherein a gas source is oxygen, the processing conditions are that the gas flow is 20cc/min, the processing time is 5min, fiber cracking can be caused due to overlong time, the modification effect is poor due to short time, the processing power is 100W, and the negative pressure is 0.1mPa, so that functional groups such as hydroxyl groups and carboxyl groups are generated on the surfaces of the polyester fiber low stretch yarns, and a large amount of silver ions can be adsorbed;
s2, growing nano silver particles on the surface of the modified polyester fiber low stretch yarn in situ to prepare the silver-loaded polyester fiber low stretch yarn.
As shown in fig. 4, the preparation of the silver-loaded polyester fiber low stretch yarn comprises the following steps:
s21, weighing a certain amount of modified polyester fiber low stretch yarn, placing the modified polyester fiber low stretch yarn in deionized water, adding a silver nitrate solution, wherein the concentration of the silver nitrate solution is 0.1mmol/L, and fully stirring to obtain a mixed solution, wherein the ratio of the modified polyester fiber low stretch yarn to the deionized water is 1g/80ml, and the volume ratio of the silver nitrate solution to the deionized water is 1: 5;
s22, adding excessive reducing agent into the mixed solution obtained in the step S21, wherein the reducing agent is a sodium citrate solution, the concentration of the reducing agent is 0.1mmol/L, the volume ratio of the sodium citrate solution to the silver nitrate solution is 2:1, the reaction time is 6 hours, and the reaction temperature is 130 ℃;
s23, after the reaction is finished, washing with a large amount of deionized water, and drying in a drying oven to obtain the silver-loaded polyester fiber low stretch yarn.
Further, S22, adding excessive reducing agent into the mixed solution in the step S21, wherein the reducing agent is sodium citrate solution, the concentration of the reducing agent is 0.5mmol/L, the volume ratio of the sodium citrate solution to the silver nitrate solution is 4:1, the reaction time is 8 hours, and the reaction temperature is 100 ℃.
S3, preheating the silver-loaded polyester fiber low-elasticity filament prepared in the step S2 at a high temperature to soften the surface of the fiber, then treating the filament by a negative pressure bin, releasing pressure instantly, and cooling the filament by cooling air rapidly to embed nano silver particles into the surface of the fiber to obtain the antibacterial polyester fiber low-elasticity filament, wherein the high-temperature preheating temperature is 200 ℃, the pressure of the negative pressure bin is 0.1 kg, the temperature of the cooling air is below 20 ℃, and the cooling time is 8S.
And S4, weaving the lining cloth and finishing.
As shown in fig. 5, the weaving and finishing of the lining cloth in S4 includes the following steps:
s41, warping: warping the antibacterial polyester fiber low stretch yarn prepared in the step S3, adjusting the tension of warp yarns by using a tensioner, controlling the tension of single yarns to be 5cN, enabling the single yarns to be uniformly distributed on a warp beam or a loom beam, and warping an oil agent TF-703Y-1 according to a proportion of 3% during warping;
s42, weaving by a water jet loom: the antibacterial polyester fiber low stretch yarn warped in the step S41 is used as warp and weft yarns to carry out water-jet weaving, the back beam of the water-jet loom is an active type actively movable back beam, the difference of the shaft tension wave peak to the wave trough is reduced from 13kg to 4kg, the tension fluctuation is effectively reduced, the weaving efficiency is improved, double nozzles are adopted, U-shaped nozzles are adopted, and the bundling property of a waterline is greatly improved;
s43, drying: drying the antibacterial lining cloth fabric woven in the step S42 by hot air, wherein the temperature of the hot air is 90 ℃, and the conveying speed is 15 m/min;
s44, dyeing: dyeing the antibacterial lining cloth fabric dried in the step S43, wherein the width before dyeing is 70 inches, and the width after dyeing is 56 inches by adopting an overflow dyeing machine;
s45, shaping: tentering and setting the antibacterial lining cloth fabric dyed in the step S44 through a tentering setting machine, wherein the setting temperature is 150 ℃, and the width after setting is 60 inches;
s46, winding and packaging: and (5) cooling and inspecting the antibacterial lining cloth fabric subjected to tentering and setting in the step S45, and finally coiling and packaging by using a cloth rolling frame.
The antibacterial polyester fiber lining cloth prepared by the production process is woven and comprises warp yarns and weft yarns, wherein the warp yarns and the weft yarns comprise antibacterial modified polyester fiber low stretch yarns, nano silver particles are embedded on the surfaces of the antibacterial modified polyester fiber low stretch yarns, and the fineness of the antibacterial modified polyester fiber low stretch yarns is 15D.
Example 2
As shown in fig. 2, a production process of an antibacterial polyester fiber lining cloth comprises the following steps:
s1, performing surface modification treatment on the common polyester fiber low-stretch yarn by adopting low-temperature plasma, wherein the fineness of the common polyester fiber low-stretch yarn is 50D, and preparing the modified polyester fiber low-stretch yarn.
As shown in fig. 3, the preparation of the modified polyester fiber low stretch yarn comprises the following steps:
s11, drying the common polyester fiber low-elasticity yarns in an oven, wherein the drying temperature is 75 ℃, the moisture regain of the polyester fiber low-elasticity yarns is low, but a small amount of water molecules have hydrogen bonding effect in the polyester fiber low-elasticity yarns and are difficult to remove, and the drying can be carried out at high temperature;
s12, carding and arranging the dried polyester fiber low stretch yarns orderly, and then placing the polyester fiber low stretch yarns in a low-temperature plasma processing system for plasma gas processing, wherein a gas source is oxygen, the processing conditions are that the gas flow is 60cc/min, the processing time is 15min, fiber cracking can be caused due to overlong time, the modification effect is poor due to short time, the processing power is 300W, and the negative pressure is 0.05mPa, so that functional groups such as hydroxyl groups and carboxyl groups are generated on the surfaces of the polyester fiber low stretch yarns, and a large amount of silver ions can be adsorbed;
s2, growing nano silver particles on the surface of the modified polyester fiber low stretch yarn in situ to prepare the silver-loaded polyester fiber low stretch yarn.
As shown in fig. 4, the preparation of the silver-loaded polyester fiber low stretch yarn comprises the following steps:
s21, weighing a certain amount of modified polyester fiber low stretch yarn, placing the modified polyester fiber low stretch yarn in deionized water, adding a silver nitrate solution, wherein the concentration of the silver nitrate solution is 0.3mmol/L, and fully stirring to obtain a mixed solution, wherein the ratio of the modified polyester fiber low stretch yarn to the deionized water is 1g/100ml, and the volume ratio of the silver nitrate solution to the deionized water is 1: 8.5;
s22, adding an excessive reducing agent into the mixed solution obtained in the step S21, wherein the reducing agent is a sodium borohydride aqueous solution, the concentration of the reducing agent is 0.5mmol/L, the volume ratio of the sodium borohydride aqueous solution to the silver nitrate solution is 4:1, the reaction time is 20min, and the reaction temperature is normal temperature;
s23, after the reaction is finished, washing with a large amount of deionized water, and drying in a drying oven to obtain the silver-loaded polyester fiber low stretch yarn.
S3, preheating the silver-loaded polyester fiber low-elasticity filament prepared in the step S2 at a high temperature to soften the surface of the fiber, then treating the filament by a negative pressure bin, releasing pressure instantly, and cooling the filament by cooling air rapidly to embed nano silver particles into the surface of the fiber to obtain the antibacterial polyester fiber low-elasticity filament, wherein the high-temperature preheating temperature is 220 ℃, the pressure of the negative pressure bin is 0.3 kg, the temperature of the cooling air is below 20 ℃, and the cooling time is 14S.
And S4, weaving the lining cloth and finishing.
As shown in fig. 5, the weaving and finishing of the lining cloth in S4 includes the following steps:
s41, warping: warping the antibacterial polyester fiber low stretch yarn prepared in the step S3, adjusting the tension of warp yarns by using a tensioner, controlling the tension of single yarns to be 6cN, enabling the single yarns to be uniformly distributed on a warp beam or a loom beam, and warping oil agent according to a proportion of 4% during warping;
s42, weaving by a water jet loom: the antibacterial polyester fiber low stretch yarn warped in the step S41 is used as warp and weft yarns to carry out water-jet weaving, the back beam of the water-jet loom is an active type actively movable back beam, the difference of the shaft tension wave peak to the wave trough is reduced from 13kg to 4kg, the tension fluctuation is effectively reduced, the weaving efficiency is improved, double nozzles are adopted, U-shaped nozzles are adopted, and the bundling property of a waterline is greatly improved;
s43, drying: drying the antibacterial lining cloth fabric woven in the step S42 by hot air, wherein the temperature of the hot air is 95 ℃, and the conveying speed is 20 m/min;
s44, dyeing: dyeing the antibacterial lining cloth fabric dried in the step S43, wherein the width before dyeing is 74 inches, and dyeing is carried out by adopting an overflow dyeing machine, and the width after dyeing is 56.5 inches;
s45, shaping: tentering and setting the antibacterial lining cloth fabric dyed in the step S44 through a tentering setting machine, wherein the setting temperature is 200 ℃, and the width after setting is 62 inches;
s46, winding and packaging: and (5) cooling and inspecting the antibacterial lining cloth fabric subjected to tentering and setting in the step S45, and finally coiling and packaging by using a cloth rolling frame.
The antibacterial polyester fiber lining cloth prepared by the production process is woven and comprises warp yarns and weft yarns, wherein the warp yarns and the weft yarns comprise antibacterial modified polyester fiber low stretch yarns, nano silver particles are embedded on the surfaces of the antibacterial modified polyester fiber low stretch yarns, and the fineness of the antibacterial modified polyester fiber low stretch yarns is 50D.
Example 3
As shown in fig. 2, a production process of an antibacterial polyester fiber lining cloth comprises the following steps:
s1, performing surface modification treatment on the common polyester fiber low-stretch yarns by adopting low-temperature plasmas, wherein the fineness of the common polyester fiber low-stretch yarns is 25-35D, and preparing the modified polyester fiber low-stretch yarns.
As shown in fig. 3, the preparation of the modified polyester fiber low stretch yarn comprises the following steps:
s11, drying the common polyester fiber low-elasticity yarns in an oven, wherein the drying temperature is 90 ℃, the moisture regain of the polyester fiber low-elasticity yarns is low, but a small amount of water molecules have hydrogen bonding effect in the polyester fiber low-elasticity yarns and are difficult to remove, and the drying can be carried out at high temperature;
s12, carding and arranging the dried polyester fiber low stretch yarns orderly, and then placing the polyester fiber low stretch yarns in a low-temperature plasma processing system for plasma gas processing, wherein a gas source is oxygen, the processing conditions are that the gas flow is 100cc/min, the processing time is 20min, fiber cracking can be caused due to overlong time, the modification effect is poor due to short time, the processing power is 500W, and the negative pressure is 0.01mPa, so that functional groups such as hydroxyl groups and carboxyl groups are generated on the surfaces of the polyester fiber low stretch yarns, and a large amount of silver ions can be adsorbed;
s2, growing nano silver particles on the surface of the modified polyester fiber low stretch yarn in situ to prepare the silver-loaded polyester fiber low stretch yarn.
As shown in fig. 4, the preparation of the silver-loaded polyester fiber low stretch yarn comprises the following steps:
s21, weighing a certain amount of modified polyester fiber low stretch yarn, placing the modified polyester fiber low stretch yarn in deionized water, adding a silver nitrate solution, wherein the concentration of the silver nitrate solution is 0.5mmol/L, and fully stirring to obtain a mixed solution, wherein the ratio of the modified polyester fiber low stretch yarn to the deionized water is 1g/120ml, and the volume ratio of the silver nitrate solution to the deionized water is 1: 12;
s22, adding an excessive reducing agent into the mixed solution obtained in the step S21, wherein the reducing agent is a sodium borohydride aqueous solution, the concentration of the reducing agent is 0.1mmol/L, the volume ratio of the sodium borohydride aqueous solution to the silver nitrate solution is 2:1, the reaction time is 30min, and the reaction temperature is normal temperature;
s23, after the reaction is finished, washing with a large amount of deionized water, and drying in a drying oven to obtain the silver-loaded polyester fiber low stretch yarn.
S3, preheating the silver-loaded polyester fiber low-elasticity filament prepared in the step S2 at high temperature to soften the surface of the fiber, then treating the filament by a negative pressure bin, releasing pressure instantly, and cooling the filament by cooling air rapidly to embed nano silver particles into the surface of the fiber to obtain the antibacterial polyester fiber low-elasticity filament, wherein the high-temperature preheating temperature is 250 ℃, the pressure of the negative pressure bin is 0.5 kg, the temperature of the cooling air is below 20 ℃, and the cooling time is 20S.
And S4, weaving the lining cloth and finishing.
As shown in fig. 5, the weaving and finishing of the lining cloth in S4 includes the following steps:
s41, warping: warping the antibacterial polyester fiber low stretch yarn prepared in the step S3, adjusting the tension of warp yarns by using a tensioner, controlling the tension of single yarns to be 8cN, enabling the single yarns to be uniformly distributed on a warp beam or a loom beam, and warping oil agent according to a proportion of 5% during warping;
s42, weaving by a water jet loom: the antibacterial polyester fiber low stretch yarn warped in the step S41 is used as warp and weft yarns to carry out water-jet weaving, the back beam of the water-jet loom is an active type actively movable back beam, the difference of the shaft tension wave peak to the wave trough is reduced from 13kg to 4kg, the tension fluctuation is effectively reduced, the weaving efficiency is improved, double nozzles are adopted, U-shaped nozzles are adopted, and the bundling property of a waterline is greatly improved;
s43, drying: drying the antibacterial lining cloth fabric woven in the step S42 by hot air, wherein the temperature of the hot air is 100 ℃, and the conveying speed is 25 m/min;
s44, dyeing: dyeing the antibacterial lining cloth fabric dried in the step S43, wherein the width is 78 inches before dyeing, and the width is 57 inches after dyeing by adopting an overflow dyeing machine;
s45, shaping: tentering and setting the antibacterial lining cloth fabric dyed in the step S44 through a tentering setting machine, wherein the setting temperature is 250 ℃, and the width after setting is 63 inches;
s46, winding and packaging: and (5) cooling and inspecting the antibacterial lining cloth fabric subjected to tentering and setting in the step S45, and finally coiling and packaging by using a cloth rolling frame.
The antibacterial polyester fiber lining cloth prepared by the production process is woven and comprises warp yarns and weft yarns, wherein the warp yarns and the weft yarns comprise antibacterial modified polyester fiber low stretch yarns, nano silver particles are embedded on the surfaces of the antibacterial modified polyester fiber low stretch yarns, and the fineness of the antibacterial modified polyester fiber low stretch yarns is 25-35D.
The performance of the antibacterial polyester fiber linings prepared in examples 1 to 3 was measured.
According to GB/T20944.3-2008, evaluation of antibacterial performance of textiles part 3: shaking method, the antibacterial polyester fiber lining cloths prepared in examples 1 to 3 of the present invention were tested for antibacterial effects of staphylococcus aureus (AATCC6538), escherichia coli (AATCC8739), and candida albicans (AATCC10231), and the test results are shown in table 1.
Table 1 results of the antibacterial property test of the antibacterial polyester fiber linings prepared in examples 1 to 3
Figure GDA0002727687170000101
As can be seen from table 1, the antibacterial polyester fiber linings prepared in examples 1 to 3 all had better antibacterial effects against staphylococcus aureus (AATCC6538), escherichia coli (AATCC8739) and candida albicans (AATCC 10231); the invention modifies the surface of the polyester fiber to generate functional groups such as hydroxyl, carboxyl and the like on the surface, can adsorb a large amount of silver ions, the hydroxyl and carboxyl functional groups for adsorbing silver ions are used as the basis for reducing the nucleation and growth of the nano silver particles, the growth continuously occurs and is accumulated into silver atoms after meeting a reducing agent, and finally the silver atoms are grown into nano silver particles which are formed on the surface of the polyester fiber low stretch yarn, after the nano silver is reduced, preheating the silver-carrying polyester fiber at high temperature to soften the surface of the polyester fiber, so that the nano silver can absorb heat more easily than a polymer to form a hot spot, embedding the nano silver into the surface of the fiber under the action of a certain negative pressure, quickly cooling and forming, the nano silver particles grow on the surface of the polyester fiber in an embedded manner, so that the lasting antibacterial property can be achieved, the load fastness of the nano silver particles on the polyester fiber is improved, and the antibacterial property is not weakened after multiple times of washing.
Example 4
As shown in fig. 5, the lining cloth is woven by using common polyester fiber low stretch yarn, and the weaving and the after-finishing of the lining cloth comprise the following steps:
s41, warping: warping by using the conventional polyester fiber low stretch yarn with the common fineness of 50D, adjusting the tension of warp yarns by using a tensioner, controlling the tension of single yarns to be 6cN, uniformly distributing the single yarns on a warp beam or a loom beam, and warping an oil agent according to a proportion of 4% during warping;
s42, weaving by a water jet loom: the polyester fiber low stretch yarn warped in the step S41 is used as warp and weft yarns to carry out water-jet weaving, the back beam of the water-jet loom is an active type actively movable back beam, the difference of the shaft tension wave peak to the wave trough is reduced from 13kg to 4kg, the tension fluctuation is effectively reduced, the weaving efficiency is improved, double nozzles are adopted, the nozzles are U-shaped nozzles, and the convergence of a waterline is greatly improved;
s43, drying: drying the lining cloth fabric woven in the step S42 by hot air, wherein the temperature of the hot air is 95 ℃, and the conveying speed is 20 m/min;
s44, dyeing: dyeing the lining cloth fabric dried in the step S43, wherein the width before dyeing is 74 inches, and dyeing is carried out by adopting an overflow dyeing machine, and the width after dyeing is 56.5 inches;
s45, shaping: tentering and setting the lining cloth fabric dyed in the step S44 through a tentering setting machine, wherein the setting temperature is 200 ℃, and the width after setting is 62 inches;
s46, winding and packaging: and (5) cooling and inspecting the lining cloth fabric subjected to tentering and setting in the step S45, and finally coiling and packaging by using a cloth rolling frame.
The polyester fiber lining cloth prepared by the production process is woven and comprises warp yarns and weft yarns, wherein the warp yarns and the weft yarns are polyester fiber low-stretch yarns, and the fineness of the polyester fiber low-stretch yarns is 50D.
As shown in fig. 6, the antibacterial effect diagram of the antibacterial polyester fiber lining cloth prepared in example 2 on escherichia coli after being washed for a plurality of times is shown in fig. 7, the antibacterial effect diagram of the antibacterial polyester fiber lining cloth prepared in comparative example 4 on escherichia coli after being washed for a plurality of times is shown in fig. 30 for both the experimental group and the control group, the bacterial spots of the control group lining cloth are obviously increased after being washed for a plurality of times, the antibacterial performance of the lining cloth of the invention is hardly reduced after being washed for 30 times, the invention modifies the polyester fiber, generates functional groups such as hydroxyl and carboxyl on the fiber surface after being treated by oxygen plasma, adsorbs silver ions on the surface of the hydroxyl and carboxyl functional groups after being added with silver nitrate, the hydroxyl and carboxyl functional groups adsorbing silver ions can be used as the basis of nucleation and growth of the reduced nano-silver particles, and the growth continuously accumulates into silver atoms after meeting a reducing agent, finally, the nano silver particles are grown, in order to further improve the load fastness of the nano silver particles on the polyester fiber, after the nano silver is reduced, the silver-loaded polyester fiber is preheated at high temperature, the surface of the polyester fiber is softened, the nano silver absorbs heat more easily than a polymer and becomes a hot point, the silver-loaded polyester fiber is embedded into the surface of the polyester fiber under the action of certain negative pressure, and after rapid cooling and forming, the nano silver particles grow on the surface of the polyester fiber in an embedded mode, so that the lasting antibacterial property can be achieved, and the antibacterial property is not weakened after multiple times of washing.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art can make various modifications and variations, for example, the lining cloth of the present invention is a woven lining cloth, including plain weave, twill weave, satin weave, but not limited thereto, and may be other woven fabric weave structures. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (4)

1. The production process of the antibacterial polyester fiber lining cloth is characterized by comprising the following steps of:
s1, performing surface modification treatment on the common polyester fiber low-stretch yarns by adopting low-temperature plasmas, wherein the fineness of the common polyester fiber low-stretch yarns is 15-50D, and thus obtaining modified polyester fiber low-stretch yarns;
the preparation method of the modified polyester fiber low stretch yarn in the step S1 specifically comprises the following steps:
s11, drying the common polyester fiber low-stretch yarn in an oven at the drying temperature of 60-90 ℃;
s12, carding and arranging the dried polyester fiber low stretch yarn orderly, and then placing the polyester fiber low stretch yarn in a low-temperature plasma processing system for plasma gas processing, wherein the gas source is oxygen;
the processing conditions of the gas treatment are as follows: the gas flow is 20-100 cc/min, the treatment time is 5-20 min, the treatment power is 100-500W, and the negative pressure is 0.1-0.01 mPa;
s2, placing the modified polyester fiber low-stretch yarn prepared in the step S1 in deionized water, adding a silver nitrate solution with the concentration of 0.1-0.5 mmol/L, and carrying out surface in-situ growth nano silver particle treatment under the action of a reducing agent to obtain a silver-loaded polyester fiber low-stretch yarn;
the preparation method of the silver-loaded polyester fiber low stretch yarn in the step S2 comprises the following steps:
s21, placing the modified polyester fiber low-stretch yarns into deionized water, adding the silver nitrate solution, and fully stirring to obtain a mixed solution; the ratio of the modified polyester fiber low stretch yarn to the deionized water is 1 g/(80-120) ml, and the volume ratio of the silver nitrate solution to the deionized water is 1: 5-12;
s22, adding an excessive reducing agent sodium citrate solution with the concentration of 0.1-0.5 mmol/L into the mixed solution of the step S21, and reacting for 6-8 hours at the temperature of 100-130 ℃, wherein the volume ratio of the sodium citrate solution to the silver nitrate solution is 2: 1-4: 1;
or adding an excessive reducing agent sodium borohydride aqueous solution with the concentration of 0.1-0.5 mmol/L into the mixed solution obtained in the step S21, and reacting for 20-30 min at normal temperature, wherein the volume ratio of the sodium borohydride aqueous solution to the silver nitrate solution is 2: 1-4: 1;
s23, after the reaction is finished, washing with a large amount of deionized water, and drying in an oven to obtain the silver-loaded polyester fiber low stretch yarn;
s3, preheating the silver-loaded polyester fiber low stretch yarn prepared in the step S2 at a high temperature of 200-250 ℃ to soften the surface of the fiber, then treating the fiber by a negative pressure cabin with the pressure of 0.1-0.5 kg to instantly release the pressure, and then rapidly cooling the fiber by cooling air below 20 ℃ for 8-20S to embed nano silver particles into the surface of the fiber to prepare the antibacterial polyester fiber low stretch yarn;
s4, weaving and finishing the lining cloth by adopting the antibacterial polyester fiber low stretch yarn prepared in the step S3.
2. The production process of the antibacterial polyester fiber lining cloth according to claim 1, wherein the weaving and post-finishing of the lining cloth in the step S4 comprises the following steps:
s41, warping: warping the antibacterial polyester fiber low stretch yarn prepared in the step S3, adjusting the tension of warp yarns by using a tensioner, controlling the tension of single yarns to be 5-8 cN, enabling the single yarns to be uniformly distributed on a warp beam or a loom beam, and warping oil solution according to a proportion of 3-5% during warping;
s42, weaving by a water jet loom: carrying out water-jet weaving by using the antibacterial polyester fiber low stretch yarn warped in the step S41 as warp and weft yarns, wherein a rear beam of a water-jet loom is an active rear beam capable of actively moving, the difference of the axial tension wave peak to the wave trough is reduced from 13kg to 4kg, and a U-shaped double nozzle is adopted;
s43, drying: drying the antibacterial lining cloth fabric woven in the step S42 by hot air, wherein the temperature of the hot air is 90-100 ℃, and the conveying speed is 15-25 m/min;
s44, dyeing: dyeing the antibacterial lining cloth fabric dried in the step S43, wherein the width before dyeing is 70-78 inches, and dyeing is carried out by adopting an overflow dyeing machine, and the width after dyeing is 56-57 inches;
s45, shaping: tentering and setting the antibacterial lining cloth fabric dyed in the step S44 through a tentering setting machine, wherein the setting temperature is 150-250 ℃, and the width after setting is 60-63 inches;
s46, winding and packaging: and (5) cooling and inspecting the antibacterial lining cloth fabric subjected to tentering and setting in the step S45, and finally coiling and packaging by using a cloth rolling frame.
3. The antibacterial polyester fiber lining cloth prepared by the production process according to claim 1 or 2 is characterized in that the lining cloth is woven and comprises warp yarns and weft yarns, the warp yarns and the weft yarns comprise antibacterial modified polyester fiber low stretch yarns, nano silver particles grow on the surfaces of the antibacterial modified polyester fiber low stretch yarns in an embedded mode, and the fineness of the antibacterial modified polyester fiber low stretch yarns is 15-50D.
4. The lining cloth of claim 3, wherein the antibacterial modified polyester fiber low stretch yarn has a fineness of 25-35D.
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