CN110258113B - Processing method of antistatic underwear fabric - Google Patents
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- CN110258113B CN110258113B CN201910457735.XA CN201910457735A CN110258113B CN 110258113 B CN110258113 B CN 110258113B CN 201910457735 A CN201910457735 A CN 201910457735A CN 110258113 B CN110258113 B CN 110258113B
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- 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
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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- 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
- D06M11/07—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 halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof
- D06M11/30—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 halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof with oxides of halogens, oxyacids of halogens or their salts, e.g. with perchlorates
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- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating 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
- D06M13/144—Alcohols; Metal alcoholates
- D06M13/148—Polyalcohols, e.g. glycerol or glucose
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/61—Polyamines polyimines
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- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
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- D06M2101/06—Vegetal fibres cellulosic
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Abstract
The invention belongs to the technical field of textile processing, and discloses a processing method of an antistatic underwear fabric, which takes an all-cotton fabric as a raw material, firstly utilizes nitrogen plasma to carry out low-temperature plasma treatment on the all-cotton fabric, generates etching and activating action on fabric fibers, generates a large number of micropores on the surfaces of the fibers, increases the roughness, the specific surface area and the number of polar groups, then uses sodium periodate to carry out selective oxidation treatment, oxidizes C2 and C3 secondary hydroxyl groups of the fibers into aldehyde groups, and finally carries out padding treatment in a chitosan-doped polyaniline solution to obtain the antistatic underwear fabric. The underwear fabric produced by the invention has the advantages of good antistatic property, lasting antistatic effect, high comfort level and good moisture absorption and air permeability.
Description
Technical Field
The invention relates to the technical field of textile processing, in particular to a processing method of an antistatic underwear fabric.
Background
In recent years, with the improvement of living standard and the continuous progress of textile technology, the demand of consumers for the health care function of garment materials increases, and materials with various functions are in the market. Static electricity is a ubiquitous phenomenon in life of people, greatly affects the comfort level of textiles, and can also interfere the immune and nervous systems of human bodies, so that symptoms such as dizziness, headache, dysphoria, insomnia, inappetence, absentmindedness and the like appear on people, and the harm to the old, the weak, the sick and the pregnant people is particularly large. Therefore, the manufacture of antistatic textiles has received attention.
At present, the antistatic fabric is produced in China mainly by weaving fibers with a conductive function into the fabric or combining the antistatic finishing agent into the fabric by soaking or coating the fabric with the antistatic finishing agent in a post-finishing process, so that the fabric has conductivity. The antistatic fabric manufactured by the method is low in comfort level, mainly aims at work clothes products, and is not suitable for production of underwear fabrics. When the antistatic agent is adopted in the post-finishing method, the existing antistatic finishing agent is easy to run off due to insufficient bonding fastness with fibers, so that the antistatic durability is poor. Therefore, the development of a new processing method of the antistatic underwear fabric has extremely high research and application values.
Disclosure of Invention
The invention aims to provide a processing method of an antistatic underwear fabric, and the produced underwear fabric has high comfort, good antistatic performance and lasting antistatic effect.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a processing method of antistatic underwear fabric comprises the following steps:
(1) placing the all-cotton fabric in a plasma treatment bin, and performing low-temperature plasma treatment on the all-cotton fabric by using nitrogen plasma to obtain a pretreated fabric;
(2) stirring the pretreated fabric obtained in the step (1) with a sodium periodate aqueous solution at a bath ratio of 1 (20-30) for reaction for 4-6h in the absence of light, then soaking the fabric with a glycerol aqueous solution at room temperature for 0.5-1h at the bath ratio of 1 (20-30), fully washing with water, and drying to obtain an oxidation modified fabric;
(3) soaking the oxidized modified fabric obtained in the step (2) in a chitosan-doped polyaniline solution for two times and rolling for two times, wherein the rolling residual rate is 40-45%, and the bath ratio is 1: (10-15), pre-drying at 80-90 ℃ for 10-20min, then washing in a water washing tank for 5-10min, pre-drying at 80-90 ℃ for 3-5min, baking at 100-120 ℃ for 1-2min, and finally vacuum drying at 50-60 ℃ and 0.4-0.8MPa for 20-30min to obtain the antistatic underwear fabric.
Preferably, the low-temperature plasma treatment in the step (1) comprises the following specific steps: introducing nitrogen, and treating for 1-2min under 50-150W power.
Preferably, the concentration of the sodium periodate aqueous solution is 0.05-0.1mol/L, and the concentration of the glycerol aqueous solution is 0.1-0.2 mol/L.
Preferably, the conditions for stirring the reaction in the step (2) are as follows: 30-60 ℃ and 200-600 r/min.
Preferably, the preparation method of the chitosan doped polyaniline solution is as follows: mixing aniline aqueous solution and chitosan acetic acid solution according to the volume ratio of 1: (1-2) uniformly mixing to obtain a mixed solution, adjusting the temperature of the mixed solution to 2-5 ℃, then slowly dropwise adding an ammonium persulfate aqueous solution with the volume equivalent to 50-100% of that of the mixed solution under the condition of high-speed stirring, and standing for reaction for 12-24 hours after dropwise adding is finished, thus obtaining the ammonium persulfate aqueous solution.
Preferably, the concentration of the aniline aqueous solution is 0.5-1mol/L, the mass fraction of the chitosan acetic acid solution is 1-2%, and the concentration of the ammonium persulfate aqueous solution is 0.5-1 mol/L.
Preferably, the preparation method of the chitosan acetic acid solution is as follows: weighing a certain amount of chitosan, adding into 0.5-1% by mass of acetic acid solution, stirring and dissolving at room temperature for 2-4h, and filtering to obtain chitosan acetic acid solution.
Preferably, the chitosan has a molecular weight of 5 to 10 ten thousand and a degree of deacetylation of 90 to 95%.
The invention has the following beneficial effects:
the invention takes the all-cotton fabric as the raw material, firstly utilizes the nitrogen plasma to carry out low-temperature plasma treatment on the all-cotton fabric, generates etching and activating action on fabric fibers, generates a large number of micropores on the fiber surfaces, increases the roughness, the specific surface area, the number of polar groups such as hydroxyl and the like, then uses sodium periodate to carry out selective oxidation treatment, greatly improves the hydroformylation efficiency of the fiber surfaces, greatly improves the number of aldehyde groups on the fiber surfaces, and finally carries out padding treatment in a chitosan-doped polyaniline solution to obtain the antistatic underwear fabric. According to the invention, by a low-temperature plasma-sodium periodate oxidation combined treatment method, a large number of polar groups such as microporous structures and high-activity aldehyde groups are generated on fabric fibers, and then by padding treatment of a chitosan-doped polyaniline solution, a firm chitosan-doped polyaniline composite layer is formed on the fiber surface through the action of amino groups on chitosan and aldehyde groups on the fiber surface and the filling action of chitosan-doped polyaniline on micropores on the fiber surface, so that the antistatic synergistic effect of the chitosan and polyaniline is better exerted, the antistatic property and the antistatic durability of the fabric are greatly improved, and the produced underwear fabric has the advantages of good antistatic property, long antistatic effect, high comfort level and good moisture absorption and air permeability.
Detailed Description
The technical solution of the present invention is further described with reference to the following specific examples.
Example 1
A processing method of antistatic underwear fabric comprises the following steps:
(1) placing the all-cotton fabric in a plasma treatment bin, introducing nitrogen, and performing low-temperature plasma treatment at 50W power for 1min to obtain a pretreated fabric;
(2) stirring and reacting the pretreated fabric obtained in the step (1) with a sodium periodate aqueous solution with the concentration of 0.05mol/L for 4 hours at the bath ratio of 1:20 under the condition of keeping out of the sun and at the temperature of 30 ℃ at the speed of 200r/min, then soaking the pretreated fabric with a glycerol aqueous solution with the concentration of 0.1mol/L for 0.5 hour at the room temperature under the condition of the bath ratio of 1:20, fully washing with water and drying to obtain an oxidation modified fabric;
(3) soaking the oxidized modified fabric obtained in the step (2) in a chitosan-doped polyaniline solution for two times and rolling for two times, wherein the rolling residual rate is 40%, and the bath ratio is 1: 10, pre-drying at 80 ℃ for 10min, then washing in a water washing tank for 5min, then pre-drying at 80 ℃ for 3min, baking at 100 ℃ for 1min, and finally vacuum-drying at 50 ℃ and 0.4MPa for 20min to obtain the antistatic underwear fabric.
The preparation method of the chitosan doped polyaniline solution comprises the following steps: mixing aniline aqueous solution with the concentration of 0.5mol/L and chitosan acetic acid solution with the mass fraction of 1-2% according to the volume ratio of 1: 1 to obtain a mixed solution, adjusting the temperature of the mixed solution to 2 ℃, then slowly dropwise adding an ammonium persulfate aqueous solution with the concentration of 0.5mol/L, which is equivalent to 50% of the volume of the mixed solution, under the condition of high-speed stirring, and standing for reaction for 12 hours after the dropwise addition is finished, thus obtaining the ammonium persulfate aqueous solution.
The preparation method of the chitosan acetic acid solution comprises the following steps: weighing a certain amount of chitosan with the molecular weight of 5 ten thousand and the deacetylation degree of 90 percent, adding the chitosan into an acetic acid solution with the mass fraction of 0.5 percent, stirring and dissolving for 2 hours at room temperature, and filtering to obtain the chitosan.
Example 2
A processing method of antistatic underwear fabric comprises the following steps:
(1) placing the all-cotton fabric in a plasma treatment bin, introducing nitrogen, and performing low-temperature plasma treatment at the power of 150W for 2min to obtain a pretreated fabric;
(2) stirring and reacting the pretreated fabric obtained in the step (1) with a sodium periodate aqueous solution with the concentration of 0.1mol/L for 6 hours at the bath ratio of 1:30 under the condition of keeping out of the sun at 60 ℃ at 600r/min, then soaking the pretreated fabric with a glycerol aqueous solution with the concentration of 0.2mol/L for 1 hour at the room temperature under the condition of the bath ratio of 1:30, fully washing with water and drying to obtain an oxidation modified fabric;
(3) soaking the oxidized modified fabric obtained in the step (2) in a chitosan-doped polyaniline solution for two times and rolling for two times, wherein the rolling residual rate is 45%, and the bath ratio is 1: 15, pre-drying at 90 ℃ for 20min, then washing in a washing tank for 10min, then pre-drying at 90 ℃ for 5min, baking at 120 ℃ for 2min, and finally vacuum-drying at 60 ℃ and 0.8MPa for 30min to obtain the antistatic underwear fabric.
The preparation method of the chitosan doped polyaniline solution comprises the following steps: mixing aniline aqueous solution with the concentration of 1mol/L and chitosan acetic acid solution with the mass fraction of 2% according to the volume ratio of 1:2, uniformly mixing to obtain a mixed solution, adjusting the temperature of the mixed solution to 5 ℃, then slowly dropwise adding an ammonium persulfate aqueous solution with the concentration of 1mol/L, which is equivalent to 100% of the volume of the mixed solution, under the condition of high-speed stirring, and standing for 24 hours after the dropwise addition is finished, thus obtaining the ammonium persulfate aqueous solution.
The preparation method of the chitosan acetic acid solution comprises the following steps: weighing a certain amount of chitosan with the molecular weight of 10 ten thousand and the deacetylation degree of 95 percent, adding the chitosan into an acetic acid solution with the mass fraction of 1 percent, stirring and dissolving for 4 hours at room temperature, and filtering to obtain the chitosan-chitosan composite material.
Comparative example 1
This comparative example differs from example 1 only in that: without adding polyaniline, comprising the following steps:
(1) placing the all-cotton fabric in a plasma treatment bin, introducing nitrogen, and performing low-temperature plasma treatment at 50W power for 1min to obtain a pretreated fabric;
(2) stirring and reacting the pretreated fabric obtained in the step (1) with a sodium periodate aqueous solution with the concentration of 0.05mol/L for 4 hours at the bath ratio of 1:20 under the condition of keeping out of the sun and at the temperature of 30 ℃ at the speed of 200r/min, then soaking the pretreated fabric with a glycerol aqueous solution with the concentration of 0.1mol/L for 0.5 hour at the room temperature under the condition of the bath ratio of 1:20, fully washing with water and drying to obtain an oxidation modified fabric;
(3) soaking the oxidized modified fabric obtained in the step (2) in a chitosan finishing liquid for two times and rolling for two times, wherein the rolling residual rate is 40%, and the bath ratio is 1: 10, pre-drying at 80 ℃ for 10min, then washing in a water washing tank for 5min, then pre-drying at 80 ℃ for 3min, baking at 100 ℃ for 1min, and finally vacuum-drying at 50 ℃ and 0.4MPa for 20min to obtain the underwear fabric.
The preparation method of the chitosan finishing liquid comprises the following steps: mixing water and a chitosan acetic acid solution with the mass fraction of 1% according to the volume ratio of 1: 1 to obtain chitosan diluent, adjusting the temperature to 2 ℃, then slowly dripping ammonium persulfate aqueous solution with the concentration of 0.5mol/L, which is equivalent to 50 percent of the volume of the chitosan diluent, under the condition of high-speed stirring, and standing for 12 hours after finishing dripping to obtain the chitosan diluent.
The preparation method of the chitosan acetic acid solution comprises the following steps: weighing a certain amount of chitosan with the molecular weight of 5 ten thousand and the deacetylation degree of 90 percent, adding the chitosan into an acetic acid solution with the mass fraction of 0.5 percent, stirring and dissolving for 2 hours at room temperature, and filtering to obtain the chitosan.
Comparative example 2
This comparative example differs from example 1 only in that: without the addition of chitosan, it comprises the following steps:
(1) placing the all-cotton fabric in a plasma treatment bin, introducing nitrogen, and performing low-temperature plasma treatment at 50W power for 1min to obtain a pretreated fabric;
(2) stirring and reacting the pretreated fabric obtained in the step (1) with a sodium periodate aqueous solution with the concentration of 0.05mol/L for 4 hours at the bath ratio of 1:20 under the condition of keeping out of the sun and at the temperature of 30 ℃ at the speed of 200r/min, then soaking the pretreated fabric with a glycerol aqueous solution with the concentration of 0.1mol/L for 0.5 hour at the room temperature under the condition of the bath ratio of 1:20, fully washing with water and drying to obtain an oxidation modified fabric;
(3) soaking the oxidized modified fabric obtained in the step (2) in a polyaniline solution for two times and rolling for two times, wherein the rolling residual rate is 40%, and the bath ratio is 1: 10, pre-drying at 80 ℃ for 10min, then washing in a water washing tank for 5min, then pre-drying at 80 ℃ for 3min, baking at 100 ℃ for 1min, and finally vacuum-drying at 50 ℃ and 0.4MPa for 20min to obtain the underwear fabric.
The preparation method of the polyaniline solution comprises the following steps: mixing aniline aqueous solution with the concentration of 0.5mol/L and acetic acid solution with the mass fraction of 0.5% according to the volume ratio of 1: 1 to obtain a mixed solution, adjusting the temperature of the mixed solution to 2 ℃, then slowly dropwise adding an ammonium persulfate aqueous solution with the concentration of 0.5mol/L, which is equivalent to 50% of the volume of the mixed solution, under the condition of high-speed stirring, and standing for reaction for 12-24 hours after the dropwise addition is finished, thus obtaining the ammonium persulfate aqueous solution.
Comparative example 3
This comparative example differs from example 1 only in that: without adding chitosan and polyaniline, comprising the following steps:
(1) placing the all-cotton fabric in a plasma treatment bin, introducing nitrogen, and performing low-temperature plasma treatment at 50W power for 1min to obtain a pretreated fabric;
(2) stirring and reacting the pretreated fabric obtained in the step (1) with a sodium periodate aqueous solution with the concentration of 0.05mol/L for 4 hours at the bath ratio of 1:20 under the condition of keeping out of the sun and at the temperature of 30 ℃ at the speed of 200r/min, then soaking the pretreated fabric with a glycerol aqueous solution with the concentration of 0.1mol/L for 0.5 hour at the room temperature under the condition of the bath ratio of 1:20, fully washing with water and drying to obtain an oxidation modified fabric;
(3) soaking the oxidation modified fabric obtained in the step (2) in a blank solution for two times and rolling for two times, wherein the rolling residual rate is 40%, and the bath ratio is 1: 10, pre-drying at 80 ℃ for 10min, then washing in a water washing tank for 5min, then pre-drying at 80 ℃ for 3min, baking at 100 ℃ for 1min, and finally vacuum-drying at 50 ℃ and 0.4MPa for 20min to obtain the underwear fabric.
The preparation method of the blank solution comprises the following steps: mixing water and 0.5% acetic acid solution according to a volume ratio of 1: 1, uniformly mixing to obtain an acetic acid diluent, adjusting the temperature of the acetic acid diluent to 2 ℃, then slowly dropwise adding an ammonium persulfate aqueous solution with the concentration of 0.5mol/L, which is equivalent to 50% of the volume of the mixed solution, under the condition of high-speed stirring, and standing for reaction for 12 hours after the dropwise adding is finished, thus obtaining the aqueous solution.
Comparative example 4
This comparative example differs from example 1 only in that: the fabric is not subjected to sodium periodate oxidation treatment, and the method comprises the following steps:
(1) placing the all-cotton fabric in a plasma treatment bin, introducing nitrogen, and performing low-temperature plasma treatment at 50W power for 1min to obtain a pretreated fabric;
(2) stirring and reacting the pretreated fabric obtained in the step (1) with a sodium periodate aqueous solution with the concentration of 0.05mol/L for 4 hours at the bath ratio of 1:20 under the condition of keeping out of the sun and at the temperature of 30 ℃ at the speed of 200r/min, then soaking the pretreated fabric with a glycerol aqueous solution with the concentration of 0.1mol/L for 0.5 hour at the room temperature under the condition of the bath ratio of 1:20, fully washing with water and drying to obtain an oxidation modified fabric;
(3) soaking the oxidized modified fabric obtained in the step (2) in a chitosan-doped polyaniline solution for two times and rolling for two times, wherein the rolling residual rate is 40%, and the bath ratio is 1: 10, pre-drying at 80 ℃ for 10min, then washing in a water washing tank for 5min, then pre-drying at 80 ℃ for 3min, baking at 100 ℃ for 1min, and finally vacuum-drying at 50 ℃ and 0.4MPa for 20min to obtain the underwear fabric.
The preparation method of the chitosan doped polyaniline solution comprises the following steps: mixing aniline aqueous solution with the concentration of 0.5mol/L and chitosan acetic acid solution with the mass fraction of 1% according to the volume ratio of 1: 1 to obtain a mixed solution, adjusting the temperature of the mixed solution to 2 ℃, then slowly dropwise adding an ammonium persulfate aqueous solution with the concentration of 0.5mol/L, which is equivalent to 50% of the volume of the mixed solution, under the condition of high-speed stirring, and standing for reaction for 12 hours after the dropwise addition is finished, thus obtaining the ammonium persulfate aqueous solution.
The preparation method of the chitosan acetic acid solution comprises the following steps: weighing a certain amount of chitosan with the molecular weight of 5 ten thousand and the deacetylation degree of 90 percent, adding the chitosan into an acetic acid solution with the mass fraction of 0.5 percent, stirring and dissolving for 2 hours at room temperature, and filtering to obtain the chitosan.
Comparative example 5
This comparative example differs from example 1 only in that: the fabric is not subjected to low-temperature plasma treatment and comprises the following steps:
(1) firstly, stirring and reacting the all-cotton fabric with 0.05mol/L sodium periodate aqueous solution at the bath ratio of 1:20 and the dark condition at 30 ℃ for 4 hours at 200r/min, then soaking the all-cotton fabric with 0.1mol/L glycerol aqueous solution at the bath ratio of 1:20 for 0.5 hour at room temperature, fully washing with water and drying to obtain the oxidation modified fabric;
(2) soaking the oxidized modified fabric obtained in the step (1) in a chitosan-doped polyaniline solution for two times and rolling for two times, wherein the rolling residual rate is 40%, and the bath ratio is 1: 10, pre-baking at 80-90 ℃ for 10min, then washing in a water washing tank for 5min, then pre-baking at 80-90 ℃ for 3min, baking at 100 ℃ for 1min, and finally vacuum-drying at 50 ℃ and 0.4MPa for 20min to obtain the underwear fabric.
The preparation method of the chitosan doped polyaniline solution comprises the following steps: mixing aniline aqueous solution with the concentration of 0.5mol/L and chitosan acetic acid solution with the mass fraction of 1-2% according to the volume ratio of 1: 1 to obtain a mixed solution, adjusting the temperature of the mixed solution to 2 ℃, then slowly dropwise adding an ammonium persulfate aqueous solution with the concentration of 0.5mol/L, which is equivalent to 50% of the volume of the mixed solution, under the condition of high-speed stirring, and standing for reaction for 12 hours after the dropwise addition is finished, thus obtaining the ammonium persulfate aqueous solution.
The preparation method of the chitosan acetic acid solution comprises the following steps: weighing a certain amount of chitosan with the molecular weight of 5 ten thousand and the deacetylation degree of 90 percent, adding the chitosan into an acetic acid solution with the mass fraction of 0.5 percent, stirring and dissolving for 2 hours at room temperature, and filtering to obtain the chitosan.
Comparative example 6
This comparative example differs from example 1 only in that: the fabric is not subjected to sodium periodate oxidation treatment and low-temperature plasma treatment, and the method comprises the following steps:
soaking and rolling the all-cotton fabric in a chitosan-doped polyaniline solution for two times, wherein the rolling residual rate is 40%, and the bath ratio is 1: 10, pre-drying at 80 ℃ for 10min, then washing in a water washing tank for 5min, then pre-drying at 80 ℃ for 3min, baking at 100 ℃ for 1min, and finally vacuum-drying at 50 ℃ and 0.4MPa for 20min to obtain the underwear fabric.
The preparation method of the chitosan doped polyaniline solution comprises the following steps: mixing aniline aqueous solution with the concentration of 0.5mol/L and chitosan acetic acid solution with the mass fraction of 1% according to the volume ratio of 1: 1 to obtain a mixed solution, adjusting the temperature of the mixed solution to 2 ℃, then slowly dropwise adding an ammonium persulfate aqueous solution with the concentration of 0.5mol/L, which is equivalent to 50% of the volume of the mixed solution, under the condition of high-speed stirring, and standing for reaction for 12 hours after the dropwise addition is finished, thus obtaining the ammonium persulfate aqueous solution.
The preparation method of the chitosan acetic acid solution comprises the following steps: weighing a certain amount of chitosan with the molecular weight of 5 ten thousand and the deacetylation degree of 90 percent, adding the chitosan into an acetic acid solution with the mass fraction of 0.5 percent, stirring and dissolving for 2 hours at room temperature, and filtering to obtain the chitosan.
The antistatic performance of the underwear fabrics obtained in examples 1-2 and comparative examples 1-6 is tested according to GB/T12703-: the temperature 23 ℃ and the relative humidity 35% and the test results are shown in the following table:
therefore, the underwear fabric disclosed by the invention has excellent antistatic performance and lasting antistatic effect.
Claims (5)
1. The processing method of the antistatic underwear fabric is characterized by comprising the following steps of:
(1) placing the all-cotton fabric in a plasma treatment bin, and performing low-temperature plasma treatment on the all-cotton fabric by using nitrogen plasma to obtain a pretreated fabric;
(2) stirring the pretreated fabric obtained in the step (1) with a sodium periodate aqueous solution at a bath ratio of 1 (20-30) for reaction for 4-6h in the absence of light, then soaking the fabric with a glycerol aqueous solution at room temperature for 0.5-1h at the bath ratio of 1 (20-30), fully washing with water, and drying to obtain an oxidation modified fabric;
(3) soaking the oxidized modified fabric obtained in the step (2) in a chitosan-doped polyaniline solution for two times and rolling for two times, wherein the rolling residual rate is 40-45%, and the bath ratio is 1: (10-15), pre-drying at 80-90 ℃ for 10-20min, then washing in a water washing tank for 5-10min, pre-drying at 80-90 ℃ for 3-5min, baking at 100-120 ℃ for 1-2min, and finally vacuum drying at 50-60 ℃ and 0.4-0.8MPa for 20-30min to obtain the antistatic underwear fabric;
the preparation method of the chitosan doped polyaniline solution comprises the following steps: mixing aniline aqueous solution and chitosan acetic acid solution according to the volume ratio of 1: (1-2) uniformly mixing to obtain a mixed solution, adjusting the temperature of the mixed solution to 2-5 ℃, then slowly dropwise adding an ammonium persulfate aqueous solution with the volume equivalent to 50-100% of that of the mixed solution under the condition of high-speed stirring, and standing for reaction for 12-24 hours after dropwise adding is finished to obtain the ammonium persulfate aqueous solution;
the concentration of the aniline aqueous solution is 0.5-1mol/L, the mass fraction of the chitosan acetic acid solution is 1-2%, and the concentration of the ammonium persulfate aqueous solution is 0.5-1 mol/L;
the preparation method of the chitosan acetic acid solution comprises the following steps: weighing a certain amount of chitosan, adding into 0.5-1% by mass of acetic acid solution, stirring and dissolving at room temperature for 2-4h, and filtering to obtain chitosan acetic acid solution.
2. The processing method of the antistatic underwear fabric according to claim 1, wherein the specific steps of the low-temperature plasma treatment in the step (1) are as follows: introducing nitrogen, and treating for 1-2min under 50-150W power.
3. The processing method of the antistatic underwear fabric as claimed in claim 1, wherein the concentration of the sodium periodate aqueous solution is 0.05-0.1mol/L, and the concentration of the glycerol aqueous solution is 0.1-0.2 mol/L.
4. The processing method of the antistatic underwear fabric according to claim 1, wherein the stirring reaction conditions in the step (2) are as follows: 30-60 ℃ and 200-600 r/min.
5. The processing method of the antistatic underwear fabric as claimed in claim 1, wherein the chitosan has a molecular weight of 5-10 ten thousand and a degree of deacetylation of 90-95%.
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| CN104727137A (en) * | 2015-03-19 | 2015-06-24 | 苏州陈恒织造有限公司 | Preparation method of composite conductive fabric |
| CN104846620A (en) * | 2015-05-04 | 2015-08-19 | 常州大学 | Production method of polyaniline electromagnetic shielding fabrics |
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Denomination of invention: A Processing Method for Antistatic Underwear Fabric Effective date of registration: 20230629 Granted publication date: 20220301 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Jindong Dongyang Branch Pledgor: Zhejiang Dongyang Ganyuan industry and Trade Co.,Ltd. Registration number: Y2023330001294 |