CN111304904A - Preparation method of polyester fabric with water-repellent, oil-repellent and antibacterial functions - Google Patents

Preparation method of polyester fabric with water-repellent, oil-repellent and antibacterial functions Download PDF

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CN111304904A
CN111304904A CN202010114661.2A CN202010114661A CN111304904A CN 111304904 A CN111304904 A CN 111304904A CN 202010114661 A CN202010114661 A CN 202010114661A CN 111304904 A CN111304904 A CN 111304904A
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repellent
polyester fabric
water
oil
preparation
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任煜
蒋文雯
张红阳
樊婷玥
臧传锋
张伟
莫慧琳
赵紫瑶
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Nantong University
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Nantong University
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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M10/00Physical 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
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00Treating 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
    • D06M11/32Treating 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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36Treating 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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/46Oxides or hydroxides of elements of Groups 4 or 14 of the Periodic Table; Titanates; Zirconates; Stannates; Plumbates
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00Treating 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
    • D06M11/83Treating 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
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/144Alcohols; Metal alcoholates
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/50Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with organometallic compounds; with organic compounds containing boron, silicon, selenium or tellurium atoms
    • D06M13/51Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond
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    • D06M16/00Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
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    • D06M2101/00Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/16Synthetic fibres, other than mineral fibres
    • D06M2101/30Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M2101/32Polyesters
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    • D06M2200/00Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/10Repellency against liquids
    • D06M2200/11Oleophobic properties
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    • D06M2200/00Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/10Repellency against liquids
    • D06M2200/12Hydrophobic properties
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    • D06M2200/00Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/25Resistance to light or sun, i.e. protection of the textile itself as well as UV shielding materials or treatment compositions therefor; Anti-yellowing treatments
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    • D06M2200/00Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/35Abrasion, pilling or fibrillation resistance

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  • Textile Engineering (AREA)
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Abstract

The invention discloses a preparation method of a polyester fabric with water-repellent, oil-repellent and antibacterial functions, which comprises the following steps: A. carrying out surface modification treatment on the polyester fabric in a normal-pressure dielectric barrier discharge plasma device; B. putting the polyester fabric into a solution to generate a nano TiO2/Ag composite structure in situ and drying; C. fully oscillating and padding the polyester fabric in the super-hydrophobic functional finishing liquid; D. and (3) pre-baking the polyester fabric through an oven, and baking to obtain the water-repellent, oil-repellent, antifouling and antibacterial polyester fabric. The method combines the antibacterial property with the water and oil repellency, adopts a sol-gel method to construct a TiO2-Ag composite nano structure on the surface of the polyester fiber in situ, and combines the normal-pressure plasma treatment and the fluorosilane finishing, so that the polyester fabric has stable super-hydrophobic antibacterial property, good mechanical friction resistance stability, energy-saving, environment-friendly and efficient operation process, less influence on other physical properties of the fabric, easy realization of continuous industrial production and good development space.

Description

Preparation method of polyester fabric with water-repellent, oil-repellent and antibacterial functions
Technical Field
The invention relates to the technical field of polyester fabric preparation, in particular to a preparation method of a polyester fabric with water-repellent, oil-repellent and antibacterial functions.
Background
With the improvement of living standard, people have higher and higher requirements on the quality of the fabric, especially on the functionality of the fabric. The water-repellent and oil-repellent finishing of the fabric is to form a layer of low-tension film on the surface of the fabric, and the film cannot be wetted by water or oil, so that the effect of water-repellent and oil-repellent performance is achieved. The water-and oil-repellent finish is generally carried out by the following methods: (1) compact waterproof moisture permeable fabric: the superfine fiber is tightly woven to achieve the aim of water repellency, but water penetration can be prevented only for a short time, and the fabric has no oil repellency, poor tearing performance and hard hand feeling. (2) Laminating a polytetrafluoroethylene film: the product has high processing difficulty, high cost, expensive ready-made clothes and poor softness and drapability. (3) Coating finishing: mainly adopts an organic solvent system, has heavy environmental pollution, and the treated fabric has poor drapability and softness, poor finishing effect durability and low adhesion fastness. (4) Finishing by a fluorocarbon padding method: the whiteness of the finished fabric is reduced, waste water is generated in the finishing process, and the energy consumption is serious. In the prior art, the antibacterial fabric refers to a fabric capable of resisting regeneration and propagation of staphylococcus aureus and escherichia coli. The antibacterial textile comprises antibacterial fibers and antibacterial fabrics. They kill and inhibit microorganisms by adding highly effective, broad spectrum, and textile compatible antimicrobial materials into the fibers or fabrics. The nano antibacterial agent is a novel antibacterial material which is newly developed in recent years and is based on a nanotechnology, and because the nano particles have a quantum effect, a small-size effect and a great specific surface area, the inorganic nano antibacterial agent (such as silver-series nano powder of nano TiO2, ZnO and SiO 2) has an excellent antibacterial effect which cannot be compared with the traditional inorganic antibacterial agent (porous substances such as TiO2, ZnO, zeolite and apatite, metals such as silver, copper and gold, and ionic compounds thereof). The invention combines the normal pressure plasma treatment, the in-situ generation of the composite micro-nano structure of nano TiO2/Ag and the low surface modification of fluorosilane, so that the polyester fabric has the functions of antibiosis, water repellency and oil repellency.
Disclosure of Invention
The invention aims to provide a preparation method of a polyester fabric with water-repellent, oil-repellent and antibacterial functions, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a preparation method of a polyester fabric with water-repellent, oil-repellent and antibacterial functions comprises the following steps:
A. carrying out surface modification treatment on the polyester fabric in a normal-pressure dielectric barrier discharge plasma device;
B. putting the polyester fabric into a solution to generate a nano TiO2/Ag composite structure in situ and drying;
C. fully oscillating and padding the polyester fabric in the super-hydrophobic functional finishing liquid;
D. and (3) pre-baking the polyester fabric through an oven, and baking to obtain the water-repellent, oil-repellent, antifouling and antibacterial polyester fabric.
Preferably, the treatment atmosphere of the surface modification treatment in the step A is Ar gas, the gas flow is 1L/min, the treatment power is 1KW, and the treatment time is 90-180 s.
Preferably, the polyester fabric and the butyl titanate solution in the step B are prepared according to a bath ratio of 1: 30; and B, generating a nano TiO2/Ag composite structure in situ in the solution by the polyester fabric, wherein the finishing liquid comprises the following raw materials, by mass, 1-3 parts of butyl titanate, 10-12 parts of absolute ethyl alcohol, 5-7 parts of deionized water and 0.1-0.5 part of silver nitrate.
Preferably, nitric acid is dripped into the finishing liquid in the step C to be used as an inhibitor to adjust the pH value to 2-3.
Preferably, after the finishing liquid is used for dipping the fabric in the step C and ultrasonically dispersing for 30min, the finishing temperature is 90 ℃ under magnetic stirring, and the time is 1.5 h; the drying temperature is 120 ℃, and the drying time is 2-6 min.
Preferably, the dacron and the super-hydrophobic functional finishing liquid in the step C are prepared according to a bath ratio of 1:40, and the super-hydrophobic ultraviolet-resistant functional finishing liquid comprises the following raw materials, by mass, 1-1.5 parts of a fluorosilane finishing agent, 99-101 parts of absolute ethyl alcohol and 103 parts of deionized water.
Preferably, after the nanoparticles are generated in situ in the polyester fabric in the step C, the pre-drying temperature is 90 ℃ for 2-6min, the drying temperature is 120 ℃ and the drying time is 1-1.5 min.
Preferably, the prehydrolysis time of the fluorosilane finishing agent in the step C is 30min, and the bath ratio of the fluorosilane finishing liquid is 1: 40; the fluorosilane finishing agent is 1H, 1H, 2H, 2H-perfluorooctyl triethoxysilane.
Preferably, the padding treatment temperature in the step C is 60-90 ℃, the padding is carried out for two times, the padding pressure is 2-2.5MP, and the liquid carrying rate is 50-65%.
Preferably, in the step D, the pre-baking temperature is 100 ℃, the time is 2-6min, the baking temperature is 150 ℃, and the time is 1-1.5 min.
Compared with the prior art, the invention has the beneficial effects that: the method combines the antibacterial property with the water and oil repellency, adopts a sol-gel method to construct a TiO2-Ag composite nano structure on the surface of the polyester fiber in situ, not only endows the fiber with an antibacterial function, but also further adds the surface roughness of the fiber, combines the normal pressure plasma treatment and the fluorosilane finishing, ensures that the polyester fabric has stable super-hydrophobic antibacterial property, has good mechanical friction resistance stability, is energy-saving, environment-friendly and efficient in operation process, has little influence on other physical properties of the fabric, is easy to realize continuous industrial production, and has good development space.
Drawings
FIG. 1 is a flow chart of the preparation of the present invention;
FIG. 2 is a diagram showing the halo method results of the antibacterial experiment of the samples before and after finishing; wherein, a, terylene original shape; b. plasma-TiO2The Ag-fluorosilane finished polyester fabric;
FIG. 3 is a plasma-TiO2A schematic diagram of a stain resistance test of the polyester fabric after the/Ag-fluorosilane finishing, wherein a is a wetting 0s diagram; b. wipe pattern after wetting for 30 s.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-3, the present invention provides a technical solution: a preparation method of a polyester fabric with water-repellent, oil-repellent and antibacterial functions comprises the following steps:
A. carrying out surface modification treatment on the polyester fabric in a normal-pressure dielectric barrier discharge plasma device;
B. putting the polyester fabric into a solution to generate a nano TiO2/Ag composite structure in situ and drying;
C. fully oscillating and padding the polyester fabric in the super-hydrophobic functional finishing liquid;
D. and (3) pre-baking the polyester fabric through an oven, and baking to obtain the water-repellent, oil-repellent, antifouling and antibacterial polyester fabric.
In this embodiment, the processing atmosphere of the surface modification treatment in step a is Ar gas, the gas flow rate is 1L/min, the processing power is 1KW, and the processing time is 90 s.
In the embodiment, the polyester fabric and the butyl titanate solution in the step B are prepared according to a bath ratio of 1: 30; and B, generating a nano TiO2/Ag composite structure in situ in the solution by the polyester fabric in the step B, wherein the finishing liquid comprises the following raw materials in parts by mass, 1 part of butyl titanate, 10 parts of absolute ethyl alcohol, 5 parts of deionized water and 0.1 part of silver nitrate.
In this example, nitric acid was added dropwise to the finishing liquid in step C as an inhibitor to adjust the PH to 2.
In the embodiment, after the finishing liquid is used for dipping the fabric in the step C and ultrasonically dispersing for 30min, the finishing temperature is 90 ℃ under magnetic stirring, and the time is 1.5 h; the drying temperature is 120 ℃ and the drying time is 2 min.
In the embodiment, the polyester fabric and the super-hydrophobic functional finishing liquid in the step C are prepared according to a bath ratio of 1:40, and the super-hydrophobic ultraviolet-resistant functional finishing liquid comprises the following raw materials, by mass, 1 part of a fluorosilane finishing agent, 99 parts of absolute ethyl alcohol and 100 parts of deionized water.
In this embodiment, after the nanoparticles are generated in situ in the polyester fabric in the step C, the pre-drying temperature is 90 ℃ for 2min, and the drying temperature is 120 ℃ for 1 min.
In the embodiment, the prehydrolysis time of the fluorosilane finishing agent in the step C is 30min, and the bath ratio of the fluorosilane finishing liquid is 1: 40; the fluorosilane finishing agent is 1H, 1H, 2H, 2H-perfluorooctyl triethoxysilane.
In this embodiment, the padding temperature in step C is 60 ℃, the padding pressure is 2MP, and the liquid carrying rate is 50%.
In this embodiment, in the step D, the pre-baking temperature is 100 ℃ for 2min, and the baking temperature is 150 ℃ for 1 min.
Example two:
a preparation method of a polyester fabric with water-repellent, oil-repellent and antibacterial functions comprises the following steps:
A. carrying out surface modification treatment on the polyester fabric in a normal-pressure dielectric barrier discharge plasma device;
B. putting the polyester fabric into a solution to generate a nano TiO2/Ag composite structure in situ and drying;
C. fully oscillating and padding the polyester fabric in the super-hydrophobic functional finishing liquid;
D. and (3) pre-baking the polyester fabric through an oven, and baking to obtain the water-repellent, oil-repellent, antifouling and antibacterial polyester fabric.
In this embodiment, the processing atmosphere of the surface modification treatment in step a is Ar gas, the gas flow rate is 1L/min, the processing power is 1KW, and the processing time is 180 s.
In the embodiment, the polyester fabric and the butyl titanate solution in the step B are prepared according to a bath ratio of 1: 30; and B, generating a nano TiO2/Ag composite structure in situ in the solution by the polyester fabric in the step B, wherein the finishing liquid comprises the following raw materials in parts by mass, 3 parts of butyl titanate, 12 parts of absolute ethyl alcohol, 7 parts of deionized water and 0.5 part of silver nitrate.
In this example, nitric acid was added dropwise to the finishing liquid in step C as an inhibitor to adjust the PH to 3.
In the embodiment, after the finishing liquid is used for dipping the fabric in the step C and ultrasonically dispersing for 30min, the finishing temperature is 90 ℃ under magnetic stirring, and the time is 1.5 h; the drying temperature is 120 ℃ and the drying time is 6 min.
In the embodiment, the polyester fabric and the super-hydrophobic functional finishing liquid in the step C are prepared according to a bath ratio of 1:40, and the super-hydrophobic ultraviolet-resistant functional finishing liquid comprises the following raw materials, by mass, 1.5 parts of a fluorosilane finishing agent, 101 parts of absolute ethyl alcohol and 103 parts of deionized water.
In this embodiment, after the nanoparticles are generated in situ in the polyester fabric in the step C, the pre-drying temperature is 90 ℃ for 6min, and the drying temperature is 120 ℃ for 1.5 min.
In the embodiment, the prehydrolysis time of the fluorosilane finishing agent in the step C is 30min, and the bath ratio of the fluorosilane finishing liquid is 1: 40; the fluorosilane finishing agent is 1H, 1H, 2H, 2H-perfluorooctyl triethoxysilane.
In this embodiment, the padding temperature in step C is 90 ℃, the padding pressure is 2.5MP, and the liquid carrying rate is 65%.
In this embodiment, in the step D, the pre-baking temperature is 100 ℃ and the baking time is 6min, and the baking temperature is 150 ℃ and the baking time is 1.5 min.
Example three:
a preparation method of a polyester fabric with water-repellent, oil-repellent and antibacterial functions comprises the following steps:
A. carrying out surface modification treatment on the polyester fabric in a normal-pressure dielectric barrier discharge plasma device;
B. putting the polyester fabric into a solution to generate a nano TiO2/Ag composite structure in situ and drying;
C. fully oscillating and padding the polyester fabric in the super-hydrophobic functional finishing liquid;
D. and (3) pre-baking the polyester fabric through an oven, and baking to obtain the water-repellent, oil-repellent, antifouling and antibacterial polyester fabric.
In this embodiment, the processing atmosphere of the surface modification treatment in step a is Ar gas, the gas flow rate is 1L/min, the processing power is 1KW, and the processing time is 100 s.
In the embodiment, the polyester fabric and the butyl titanate solution in the step B are prepared according to a bath ratio of 1: 30; and B, generating a nano TiO2/Ag composite structure in situ in the solution by the polyester fabric in the step B, wherein the finishing liquid comprises the following raw materials in parts by mass, 3 parts of butyl titanate, 10 parts of absolute ethyl alcohol, 5 parts of deionized water and 0.5 part of silver nitrate.
In this example, nitric acid was added dropwise to the finishing liquid in step C as an inhibitor to adjust the PH to 3.
In the embodiment, after the finishing liquid is used for dipping the fabric in the step C and ultrasonically dispersing for 30min, the finishing temperature is 90 ℃ under magnetic stirring, and the time is 1.5 h; the drying temperature is 120 ℃, and the drying time is 2-6 min.
In the embodiment, the polyester fabric and the super-hydrophobic functional finishing liquid in the step C are prepared according to a bath ratio of 1:40, and the super-hydrophobic ultraviolet-resistant functional finishing liquid comprises the following raw materials, by mass, 1 part of a fluorosilane finishing agent, 101 parts of absolute ethyl alcohol and 101 parts of deionized water.
In this embodiment, after the nanoparticles are generated in situ in the polyester fabric in the step C, the pre-drying temperature is 90 ℃ for 3min, and the drying temperature is 120 ℃ for 1.1 min.
In the embodiment, the prehydrolysis time of the fluorosilane finishing agent in the step C is 30min, and the bath ratio of the fluorosilane finishing liquid is 1: 40; the fluorosilane finishing agent is 1H, 1H, 2H, 2H-perfluorooctyl triethoxysilane.
In this embodiment, the padding temperature in step C is 70 ℃, the padding pressure is 2.1MP, and the liquid carrying rate is 55%.
In this embodiment, in the step D, the pre-baking temperature is 100 ℃ for 3min, and the baking temperature is 150 ℃ for 1 min.
Example four:
a preparation method of a polyester fabric with water-repellent, oil-repellent and antibacterial functions comprises the following steps:
A. carrying out surface modification treatment on the polyester fabric in a normal-pressure dielectric barrier discharge plasma device;
B. putting the polyester fabric into a solution to generate a nano TiO2/Ag composite structure in situ and drying;
C. fully oscillating and padding the polyester fabric in the super-hydrophobic functional finishing liquid;
D. and (3) pre-baking the polyester fabric through an oven, and baking to obtain the water-repellent, oil-repellent, antifouling and antibacterial polyester fabric.
In this embodiment, the processing atmosphere of the surface modification treatment in step a is Ar gas, the gas flow rate is 1L/min, the processing power is 1KW, and the processing time is 120 s.
In the embodiment, the polyester fabric and the butyl titanate solution in the step B are prepared according to a bath ratio of 1: 30; and B, generating a nano TiO2/Ag composite structure in situ in the solution by the polyester fabric in the step B, wherein the finishing liquid comprises the following raw materials in parts by weight, 2 parts of butyl titanate, 11 parts of absolute ethyl alcohol, 6 parts of deionized water and 0.3 part of silver nitrate.
In this example, nitric acid was added dropwise to the finishing liquid in step C as an inhibitor to adjust the PH to 2.
In the embodiment, after the finishing liquid is used for dipping the fabric in the step C and ultrasonically dispersing for 30min, the finishing temperature is 90 ℃ under magnetic stirring, and the time is 1.5 h; the drying temperature is 120 ℃, and the drying time is 2-6 min.
In the embodiment, the polyester fabric and the super-hydrophobic functional finishing liquid in the step C are prepared according to a bath ratio of 1:40, and the super-hydrophobic ultraviolet-resistant functional finishing liquid comprises the following raw materials, by mass, 1.3 parts of a fluorosilane finishing agent, 100 parts of absolute ethyl alcohol and 102 parts of deionized water.
In this embodiment, after the nanoparticles are generated in situ in the polyester fabric in the step C, the pre-drying temperature is 90 ℃ for 4min, and the drying temperature is 120 ℃ for 1.3 min.
In the embodiment, the prehydrolysis time of the fluorosilane finishing agent in the step C is 30min, and the bath ratio of the fluorosilane finishing liquid is 1: 40; the fluorosilane finishing agent is 1H, 1H, 2H, 2H-perfluorooctyl triethoxysilane.
In this embodiment, the padding temperature in step C is 75 ℃, the padding pressure is 2.2MP, and the liquid carrying rate is 58%.
In this embodiment, in the step D, the pre-baking temperature is 100 ℃ for 4min, and the baking temperature is 150 ℃ for 1.3 min.
The maximum contact angle between the polyester fabric with the water-repellent, oil-repellent and antibacterial functions and water is 153 degrees; reference standard AATCC118-2013, oil repellency rating of 6 grade; reference is made to GB/T30159.1-2013 "detection and evaluation of textile soil resistance Properties part one: stain resistance, stain resistance grade 4. According to the reference GB/T18830-2009, the ultraviolet resistance is excellent. According to the standard FZ/T73023-2006, the antibacterial zone is generated for escherichia coli and staphylococcus aureus, the antibacterial rate can reach 99.9%, and the antibacterial agent has good antibacterial performance.
In conclusion, the method combines the antibacterial property with the water and oil repellency, adopts a sol-gel method to construct a TiO2-Ag composite nano structure on the surface of the polyester fiber in situ, not only endows the fiber with an antibacterial function, but also further adds the surface roughness of the fiber, combines the normal pressure plasma treatment and the fluorosilane finishing, ensures that the polyester fabric has stable super-hydrophobic antibacterial property, has good mechanical friction resistance stability, is energy-saving, environment-friendly and efficient in operation process, has little influence on other physical properties of the fabric, is easy to realize continuous industrial production, and has good development space.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A preparation method of a polyester fabric with water-repellent, oil-repellent and antibacterial functions is characterized by comprising the following steps: the method comprises the following steps:
A. carrying out surface modification treatment on the polyester fabric in a normal-pressure dielectric barrier discharge plasma device;
B. putting the polyester fabric into a solution to generate a nano TiO2/Ag composite structure in situ and drying;
C. fully oscillating and padding the polyester fabric in the super-hydrophobic functional finishing liquid;
D. and (3) pre-baking the polyester fabric through an oven, and baking to obtain the water-repellent, oil-repellent, antifouling and antibacterial polyester fabric.
2. The preparation method of the polyester fabric with the water-repellent, oil-repellent and antibacterial functions, according to claim 1, is characterized in that: in the step A, the processing atmosphere of the surface modification treatment is Ar gas, the gas flow is 1L/min, the processing power is 1KW, and the processing time is 90-180 s.
3. The preparation method of the polyester fabric with the water-repellent, oil-repellent and antibacterial functions, according to claim 1, is characterized in that: b, preparing the polyester fabric and the butyl titanate solution according to a bath ratio of 1: 30; and B, generating a nano TiO2/Ag composite structure in situ in the solution by the polyester fabric, wherein the finishing liquid comprises the following raw materials, by mass, 1-3 parts of butyl titanate, 10-12 parts of absolute ethyl alcohol, 5-7 parts of deionized water and 0.1-0.5 part of silver nitrate.
4. The preparation method of the polyester fabric with the water-repellent, oil-repellent and antibacterial functions, according to claim 1, is characterized in that: and C, dropwise adding nitric acid into the finishing liquid in the step C to serve as an inhibitor to adjust the pH value to be 2-3.
5. The preparation method of the polyester fabric with the water-repellent, oil-repellent and antibacterial functions, according to claim 1, is characterized in that: after the finishing liquid is used for dipping the fabric in the step C, ultrasonically dispersing for 30min, and then magnetically stirring and finishing at the temperature of 90 ℃ for 1.5 h; the drying temperature is 120 ℃, and the drying time is 2-6 min.
6. The preparation method of the polyester fabric with the water-repellent, oil-repellent and antibacterial functions, according to claim 1, is characterized in that: and C, preparing the polyester fabric and the super-hydrophobic functional finishing liquid according to a bath ratio of 1:40, wherein the super-hydrophobic ultraviolet-resistant functional finishing liquid comprises the following raw materials, by mass, 1-1.5 parts of a fluorosilane finishing agent, 99-101 parts of absolute ethyl alcohol and 103 parts of deionized water.
7. The preparation method of the polyester fabric with the water-repellent, oil-repellent and antibacterial functions, according to claim 1, is characterized in that: and C, after the nano particles are generated in situ on the polyester fabric in the step C, the pre-drying temperature is 90 ℃, the time is 2-6min, the curing temperature is 120 ℃, and the time is 1-1.5 min.
8. The preparation method of the polyester fabric with the water-repellent, oil-repellent and antibacterial functions, according to claim 1, is characterized in that: in the step C, the prehydrolysis time of the fluorosilane finishing agent is 30min, and the bath ratio of the fluorosilane finishing liquid is 1: 40; the fluorosilane finishing agent is 1H, 1H, 2H, 2H-perfluorooctyl triethoxysilane.
9. The preparation method of the polyester fabric with the water-repellent, oil-repellent and antibacterial functions, according to claim 1, is characterized in that: and C, the padding treatment temperature in the step C is 60-90 ℃, the padding is carried out for two times, the padding pressure is 2-2.5MP, and the liquid carrying rate is 50-65%.
10. The preparation method of the polyester fabric with the water-repellent, oil-repellent and antibacterial functions, according to claim 1, is characterized in that: in the step D, the pre-baking temperature is 100 ℃, the baking time is 2-6min, the baking temperature is 150 ℃, and the baking time is 1-1.5 min.
CN202010114661.2A 2020-02-25 2020-02-25 Preparation method of polyester fabric with water-repellent, oil-repellent and antibacterial functions Pending CN111304904A (en)

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CN112756181A (en) * 2020-12-30 2021-05-07 南通大学 Preparation method and preparation device of composite textile material
CN113882147A (en) * 2021-11-25 2022-01-04 绍兴达伽马纺织有限公司 Production process of mildew-proof and stain-resistant polyester fabric
CN114657788A (en) * 2022-02-09 2022-06-24 中国第一汽车股份有限公司 Multifunctional fabric for degrading pollutants in air and preparation method thereof
CN115198423A (en) * 2022-07-25 2022-10-18 沈云 Antibacterial flame-retardant polyester fabric and preparation method thereof

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CN104153187A (en) * 2013-07-22 2014-11-19 盐城工学院 Self-cleaning textile water-based working solution and preparation method thereof
CN109112821A (en) * 2018-07-25 2019-01-01 旷达纤维科技有限公司 A kind of preparation method of water, oil and soil repellent uvioresistant polyester fabric

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CN102277724A (en) * 2011-06-28 2011-12-14 东华大学 Method for clearing up nanometer uvioresistant antibacterial self-cleaning fabric
CN104153187A (en) * 2013-07-22 2014-11-19 盐城工学院 Self-cleaning textile water-based working solution and preparation method thereof
CN109112821A (en) * 2018-07-25 2019-01-01 旷达纤维科技有限公司 A kind of preparation method of water, oil and soil repellent uvioresistant polyester fabric

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112756181A (en) * 2020-12-30 2021-05-07 南通大学 Preparation method and preparation device of composite textile material
CN113882147A (en) * 2021-11-25 2022-01-04 绍兴达伽马纺织有限公司 Production process of mildew-proof and stain-resistant polyester fabric
CN113882147B (en) * 2021-11-25 2022-06-21 绍兴达伽马纺织有限公司 Production process of mildew-proof and stain-resistant polyester fabric
CN114657788A (en) * 2022-02-09 2022-06-24 中国第一汽车股份有限公司 Multifunctional fabric for degrading pollutants in air and preparation method thereof
CN115198423A (en) * 2022-07-25 2022-10-18 沈云 Antibacterial flame-retardant polyester fabric and preparation method thereof
CN115198423B (en) * 2022-07-25 2023-12-05 杭州道贤智能科技有限责任公司 Antibacterial flame-retardant polyester fabric and preparation method thereof

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Application publication date: 20200619