CN114263041A - Washable antistatic fabric and preparation method thereof - Google Patents
Washable antistatic fabric and preparation method thereof Download PDFInfo
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- CN114263041A CN114263041A CN202111677413.XA CN202111677413A CN114263041A CN 114263041 A CN114263041 A CN 114263041A CN 202111677413 A CN202111677413 A CN 202111677413A CN 114263041 A CN114263041 A CN 114263041A
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Abstract
The invention discloses a washable antistatic fabric and a preparation method thereof, wherein the washable antistatic fabric comprises a base fiber material with an antistatic component and a washable layer; wherein the antistatic component is hydroxyl copper ferrite particles, and the hydroxyl copper ferrite particles account for 0.01-0.1 wt% of the base fiber material; the water-resistant layer is prepared by soaking a fiber fabric made of a basic fiber material with an antistatic component into water-resistant finishing liquid and then drying. The washable antistatic fabric has better washable performance and antistatic performance, avoids the inconvenience caused by the point discharge effect, and can effectively reduce the threat of static electricity to human health.
Description
Technical Field
The invention belongs to the technical field of textiles, relates to a fiber fabric, and particularly relates to a washable antistatic fabric and a preparation method thereof.
Background
At present, with the continuous improvement of living standard of people, the wearing of clothes is not a simple covering body and a warm keeping function any more. The requirements on the health functions of the plants are higher and higher, and the market demand is also higher and higher.
In dry winter, clothes are easy to generate static electricity, and the static electricity is not only uncomfortable for people, but also threatens the health of human bodies. The research of medical experts has proved that the electrostatic interference of skin can change the normal potential difference of the human body surface and influence the normal electrophysiological process of cardiac muscle. The static electricity can aggravate the disease of patients, and the lasting static electricity can also increase the alkalinity of blood, cause skin itch and pigmentation, influence the physiological balance of human bodies, interfere the emotion of human beings and the like. The elderly are more susceptible to static electricity due to dry skin relative to young people and aging of the cardiovascular system and diminished interference rejection of the elderly. The disease condition of old people with various pathological changes in the cardiovascular system is aggravated by static electricity. Too high a static charge also often causes people to become agitated, headache, chest distress, dyspnea, cough, and the like.
The Chinese patent with publication number CN102051824A discloses a preparation method of a waterproof, oil-proof, antifouling and easily-decontaminable household fabric, and discloses an antifouling and easily-decontaminable after-finishing method of the household fabric, which can enable the fabric to realize the functions of three prevention and easy decontamination to a certain extent, but because the fabric is only subjected to corresponding treatment by preparation material configuration and the manufacturing process method is not correspondingly improved, the contradiction between the two aspects of three prevention finishing and easy decontamination finishing is difficult to ideally solve, the ultra-soft hand feeling characteristic of the three prevention easily-decontaminable breathable diamond-like velvet and washable performance for hotels is difficult to realize, and the comprehensive actual requirement of the actual situation on the functional fabric is also difficult to meet. It has a disadvantage that the problem of antistatic is not solved.
Disclosure of Invention
The invention aims to provide a washable antistatic fabric with washing resistance and good antistatic property and a preparation method thereof, aiming at solving the defect of poor antistatic property of the existing fabric.
In order to achieve the purpose, the invention adopts the following technical scheme:
a washable antistatic fabric comprises a base fiber material with an antistatic component and a washable layer; wherein the antistatic component is hydroxyl copper ferrite particles, and the hydroxyl copper ferrite particles account for 0.01-0.1 wt% of the base fiber material; the water-resistant layer is prepared by soaking a fiber fabric made of a basic fiber material with an antistatic component into water-resistant finishing liquid and then drying.
In the technical scheme, hydroxyl copper ferrite particles are infiltrated into a basic fiber material, and then are made into master batches and are spun into a fiber fabric, so that the obtained fiber fabric has good antistatic performance, the antistatic performance cannot be reduced due to repeated water washing, and the durability of the antistatic performance effect is improved;
the durability of the antistatic performance can be further improved by carrying out the washing resistance treatment on the fiber fabric with the antistatic effect.
As a preferable scheme of the invention, the base fiber material is selected from one or a combination of several of cotton fiber, hemp fiber, silk fiber, wool fiber or chemical fiber.
As a preferable scheme of the invention, the chemical fiber is selected from one or a combination of more of viscose fiber, acetate fiber, terylene, acrylic fiber, polypropylene fiber, vinylon, polyvinyl chloride fiber, nanofiber or polyester fiber.
As a preferred embodiment of the present invention, the preparation method of the hydroxyl copper ferrite particle comprises:
1) dissolving glycerol and coconut diethanolamide in absolute ethyl alcohol at room temperature to obtain a mixed solution for later use;
2) dissolving a copper salt in a solvent at room temperature to obtain a copper salt solution for later use;
3) quickly pouring the mixed solution obtained in the step 1) into the copper salt solution obtained in the step 2), stirring for reaction, adding ammonia water under an ice bath condition, adjusting the pH value of the solution to 9-11, and reacting for 1-3h under the condition;
4) reacting the mixture obtained in the step 3) at the temperature of 120-150 ℃ for 45-60min, centrifuging to obtain a precipitate, centrifuging and washing for several times by using absolute ethyl alcohol, and drying to obtain a hydroxyl copper ferrite precursor;
5) and (3) putting the hydroxyl copper ferrite precursor in the step 4) into a muffle furnace to calcine for 1-2h at the temperature of 500-.
In the technical scheme, electrons generated on the fabric made of the fiber fabric can be quickly transferred out, the accumulation of the electrons on the fabric is reduced, the difficulty of people caused by the point discharge effect is avoided, and the threat of static electricity to human health can be effectively reduced.
As a preferable scheme of the invention, the mass ratio of the glycerol to the coconut diethanolamide in the step 1) is 1-2:2-4, the molar mass of copper in the copper salt solution is 0.1-0.3mol/L, and the mass ratio of the mixed solution to the copper salt solution is 3-5: 1.
As a preferable embodiment of the present invention, the copper salt includes copper nitrate, copper acetate, copper chloride or copper sulfate.
As a preferable scheme of the invention, the water-fast washing finishing liquid comprises the following components in parts by weight: 130-150 parts of C12-C28Alkyl acrylate, 20-35 parts of functional monomer, 10-20 parts of penetrating agent, 5-10 parts of dispersing agent and 200-500 parts of water.
As a preferable embodiment of the present invention, said C12-C28The alkyl acrylate is at least one of octadecyl acrylate, octadecyl methacrylate, behenyl acrylate, behenyl methacrylate and lauryl methacrylate, and the functional monomer is at least one of hydroxymethyl (meth) acrylate, tert-butylcyclohexyl methacrylate, glycerol (meth) acrylate, isocyanate group-containing (meth) acrylate, hydroxyethyl (meth) acrylate, 3-chloro-2-hydroxypropyl (meth) acrylate and glycidyl (meth) acrylate.
The preparation method of the washable antistatic fabric comprises the following steps:
a) preparing a basic fiber material and hydroxyl copper ferrite particles;
b) dissolving the hydroxyl copper ferrite particles obtained in the step a) in a solution containing the basic fiber material obtained in the step a) to obtain a mixed mother solution;
c) preparing master batches from the mixed mother liquor obtained in the step b), and spinning to form a fiber fabric;
d) and c), soaking the fiber fabric obtained in the step c) into a water-washing-resistant finishing liquid, carrying out padding treatment, drying and baking to obtain the water-washing-resistant antistatic fabric.
As a preferable scheme of the invention, in the step d), the rolling allowance of the padding treatment is 60-90%; drying the fiber fabric subjected to padding treatment at the temperature of 85-120 ℃, and then baking at the temperature of 195-220 ℃; cleaning the baked fiber fabric with purified water for 1-8 times, drying at 85-130 deg.C, and baking at 195-220 deg.C for 5-10 min.
Compared with the prior art, the invention has the following beneficial effects:
1) the washable antistatic fabric has better washable performance and antistatic performance, avoids the difficulty caused by the point discharge effect, and can effectively reduce the threat of static electricity to human health;
2) the preparation method of the invention does not need to change too many processes and is simple and convenient.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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 fiber fabric of the present invention can be prepared by blending, such as melt spinning, as follows: the hydroxyl copper ferrite particles and the basic fiber material are subjected to melt spinning, or the hydroxyl copper ferrite particles are dispersed in a resin carrier which can be mixed and melted with the basic fiber material, and then are mixed into polymers such as polyester, nylon, polypropylene and the like to be subjected to melt spinning. In another embodiment, the hydroxyl copper ferrite particles and the transfer-preventing aid can also be directly added into the base fiber material solution by a solution spinning method to be dissolved, and then the fiber is obtained by spinning. In another embodiment, the hydroxyl copper ferrite particles are dissolved in a suitable solvent, and then mixed with a binder such as a base fiber material or a resin solution to form a slurry, and the fibers or fabrics are coated in the slurry to obtain the fibers, wherein the fibers are spun and then dip-coated with the slurry.
It will be appreciated by those skilled in the art that other methods may be used for preparation and will not be described in detail.
As will be appreciated by those skilled in the art, the raw yarn obtained after the spinning process can be woven, flat woven or knitted to make various fabrics, in this case referred to as greige fabrics, for various uses such as clothing, pants, hats, umbrellas, etc.
Various other processes such as dyeing, embossing, or patterning are well understood by those skilled in the art and are not described in detail herein.
In the invention, the basic fiber material is selected from one or a combination of several of cotton fiber, hemp fiber, silk fiber, wool fiber or chemical fiber. The chemical fiber is selected from one or more of viscose fiber, acetate fiber, terylene, acrylic fiber, polypropylene fiber, vinylon, polyvinyl chloride fiber, nano fiber or polyester fiber.
Example 1
The embodiment provides a washable antistatic fabric, which comprises a base fiber material with an antistatic component and a washable layer; wherein the antistatic component is hydroxyl copper ferrite particles, and the hydroxyl copper ferrite particles account for 0.01 wt% of the base fiber material; the water-resistant layer is prepared by soaking a fiber fabric made of a basic fiber material with an antistatic component into water-resistant finishing liquid and then drying.
The preparation method of the hydroxyl copper ferrite particle comprises the following steps:
1) dissolving glycerol and coconut diethanolamide in a mass ratio of 1:2 in absolute ethyl alcohol at room temperature to obtain a mixed solution for later use;
2) dissolving copper nitrate in a solvent at room temperature to obtain a copper salt solution with the molar mass of 0.1mol/L for later use;
3) quickly pouring the mixed solution obtained in the step 1) into the copper salt solution obtained in the step 2) according to the mass ratio of 3:1, stirring for reaction, adding ammonia water under an ice bath condition, adjusting the pH value of the solution to 9, and reacting for 1h under the condition;
4) reacting the mixture obtained in the step 3) at 120 ℃ for 45min, centrifuging to obtain a precipitate, centrifuging and washing for 3 times by using absolute ethyl alcohol, and drying to obtain a hydroxyl copper ferrite precursor;
5) and (3) putting the hydroxyl copper ferrite precursor in the step 4) into a muffle furnace, and calcining for 1-2h at 500 ℃ to obtain hydroxyl copper ferrite particles.
The water-fast washing finishing liquid comprises the following components in parts by weight: 130 parts of C12-C28Octadecyl acrylate, 20 parts of tert-butyl methacrylate RingHexyl ester, 10 parts of penetrant sodium alkyl sulfonate, 5 parts of dispersant sodium methylene dinaphthalene sulfonate and 200 parts of water.
The preparation method comprises the following steps:
a) preparing a basic fiber material and hydroxyl copper ferrite particles;
b) dissolving the hydroxyl copper ferrite particles obtained in the step a) in a solution containing the basic fiber material obtained in the step a) to obtain a mixed mother solution;
c) preparing master batches from the mixed mother liquor obtained in the step b), and spinning to form a fiber fabric;
d) soaking the fiber fabric obtained in the step c) into a water-resistant finishing liquid for padding treatment, wherein the padding allowance of the padding treatment is 60-90%; drying the fiber fabric subjected to padding treatment at the temperature of 85-120 ℃, and then baking at the temperature of 195-220 ℃; and (3) cleaning the baked fiber fabric with purified water for 1-8 times, drying at 85-130 ℃, and baking at 195-220 ℃ for 5-10min to obtain the washable antistatic fabric.
Example 2
The embodiment provides a washable antistatic fabric, which comprises a base fiber material with an antistatic component and a washable layer; wherein the antistatic component is hydroxyl copper ferrite particles, and the hydroxyl copper ferrite particles account for 0.08 wt% of the base fiber material; the water-resistant layer is prepared by soaking a fiber fabric made of a basic fiber material with an antistatic component into water-resistant finishing liquid and then drying.
The preparation method of the hydroxyl copper ferrite particle comprises the following steps:
1) dissolving glycerol and coconut diethanolamide in a mass ratio of 2:3 in absolute ethyl alcohol at room temperature to obtain a mixed solution for later use;
2) dissolving copper sulfate in a solvent at room temperature to obtain a copper salt solution with the molar mass of 0.2mol/L for later use;
3) quickly pouring the mixed solution obtained in the step 1) into the copper salt solution obtained in the step 2) according to the mass ratio of 4:1, stirring for reaction, adding ammonia water under the ice bath condition, adjusting the pH value of the solution to 10, and reacting for 2 hours under the condition;
4) reacting the mixture obtained in the step 3) at 40 ℃ for 50min, centrifuging to obtain a precipitate, centrifuging and washing for 5 times by using absolute ethyl alcohol, and drying to obtain a hydroxyl copper ferrite precursor;
5) and (3) putting the hydroxyl copper ferrite precursor in the step 4) into a muffle furnace to calcine for 2h at 600 ℃ to obtain hydroxyl copper ferrite particles.
The water-fast washing finishing liquid comprises the following components in parts by weight: 135 parts of C12-C28Behenyl acrylate, 25 parts of 3-chloro-2-hydroxypropyl (meth) acrylate, 15 parts of sodium alkyl sulfonate as a penetrant, 8 parts of sodium methylene dinaphthalene sulfonate as a dispersant, and 450 parts of water.
The preparation method comprises the following steps:
a) preparing a basic fiber material and hydroxyl copper ferrite particles;
b) dissolving the hydroxyl copper ferrite particles obtained in the step a) in a solution containing the basic fiber material obtained in the step a) to obtain a mixed mother solution;
c) preparing master batches from the mixed mother liquor obtained in the step b), and spinning to form a fiber fabric;
d) soaking the fiber fabric obtained in the step c) into a water-resistant finishing liquid for padding treatment, wherein the padding allowance of the padding treatment is 60-90%; drying the fiber fabric subjected to padding treatment at the temperature of 85-120 ℃, and then baking at the temperature of 195-220 ℃; and (3) cleaning the baked fiber fabric with purified water for 1-8 times, drying at 85-130 ℃, and baking at 195-220 ℃ for 5-10min to obtain the washable antistatic fabric.
Example 3
The embodiment provides a washable antistatic fabric, which comprises a base fiber material with an antistatic component and a washable layer; wherein the antistatic component is hydroxyl copper ferrite particles, and the hydroxyl copper ferrite particles account for 0.1 wt% of the base fiber material; the water-resistant layer is prepared by soaking a fiber fabric made of a basic fiber material with an antistatic component into water-resistant finishing liquid and then drying.
The preparation method of the hydroxyl copper ferrite particle comprises the following steps:
1) dissolving glycerol and coconut diethanolamide in a mass ratio of 1:4 in absolute ethyl alcohol at room temperature to obtain a mixed solution for later use;
2) dissolving copper chloride in a solvent at room temperature to obtain a copper salt solution with the molar mass of 0.3mol/L for later use;
3) quickly pouring the mixed solution obtained in the step 1) into the copper salt solution obtained in the step 2) according to the mass ratio of 5:1, stirring for reaction, adding ammonia water under an ice bath condition, adjusting the pH value of the solution to 11, and reacting for 3 hours under the condition;
4) reacting the mixture obtained in the step 3) at 150 ℃ for 60min, centrifuging to obtain a precipitate, centrifuging and washing for 4 times by using absolute ethyl alcohol, and drying to obtain a hydroxyl copper ferrite precursor;
5) and (3) putting the hydroxyl copper ferrite precursor in the step 4) into a muffle furnace to calcine for 2h at 800 ℃ to obtain hydroxyl copper ferrite particles.
The water-fast washing finishing liquid comprises the following components in parts by weight: 150 parts of C12-C28Lauryl methacrylate, 35 parts of glycerol (meth) acrylate, 20 parts of sodium alkyl sulfonate as a penetrant, 10 parts of sodium methylene dinaphthalene sulfonate as a dispersant and 500 parts of water.
The preparation method comprises the following steps:
a) preparing a basic fiber material and hydroxyl copper ferrite particles;
b) dissolving the hydroxyl copper ferrite particles obtained in the step a) in a solution containing the basic fiber material obtained in the step a) to obtain a mixed mother solution;
c) preparing master batches from the mixed mother liquor obtained in the step b), and spinning to form a fiber fabric;
d) soaking the fiber fabric obtained in the step c) into a water-resistant finishing liquid for padding treatment, wherein the padding allowance of the padding treatment is 60-90%; drying the fiber fabric subjected to padding treatment at the temperature of 85-120 ℃, and then baking at the temperature of 195-220 ℃; and (3) cleaning the baked fiber fabric with purified water for 1-8 times, drying at 85-130 ℃, and baking at 195-220 ℃ for 5-10min to obtain the washable antistatic fabric.
Comparative example 1, the same as example 1, except that no hydroxy copper ferrite particles were added.
Comparative example 2, same as example 1, except that no water-fast finish was performed.
The fabrics obtained in examples 1 to 3 and comparative examples 1 to 2 were subjected to a water-washing resistance test, and the results are shown in Table 1.
The fabrics obtained in examples 1 to 3 and comparative examples 1 to 2 were tested for antistatic properties, which were expressed as specific resistance Rs (resistance between corresponding sides per square unit sample) on the surface of the fabric, and the antistatic properties of the fabrics were again tested after the fabrics were washed 30 times, and the results are shown in table 2.
TABLE 1 Water washing resistance test results
TABLE 2 antistatic test results
As can be seen from tables 1 and 2, the water-fast antistatic fabric prepared by the invention has good water-fast performance and antistatic performance, and after 30 times of washing, the antistatic performance is basically kept unchanged, which shows that the antistatic performance of the invention is durable; comparative example 2 shows a sharp decrease in antistatic performance after 30 washes because no water-resistant finish was applied, whereas comparative example 1 shows a poor antistatic performance because no hydroxy copper ferrite particles were added.
While the invention has been described with respect to a preferred embodiment, it will be understood by those skilled in the art that the foregoing and other changes, omissions and deviations in the form and detail thereof may be made without departing from the scope of this invention. Those skilled in the art can make various changes, modifications and equivalent arrangements, which are equivalent to the embodiments of the present invention, without departing from the spirit and scope of the present invention, and which may be made by utilizing the techniques disclosed above; meanwhile, any changes, modifications and variations of the above-described embodiments, which are equivalent to those of the technical spirit of the present invention, are within the scope of the technical solution of the present invention.
Claims (10)
1. A washable antistatic fabric is characterized by comprising a base fiber material with an antistatic component and a washable layer; wherein the antistatic component is hydroxyl copper ferrite particles, and the hydroxyl copper ferrite particles account for 0.01-0.1 wt% of the base fiber material; the water-resistant layer is prepared by soaking a fiber fabric made of a basic fiber material with an antistatic component into water-resistant finishing liquid and then drying.
2. The washable antistatic fabric of claim 1, wherein the base fiber material is selected from one or more of cotton fiber, hemp fiber, silk fiber, wool fiber and chemical fiber.
3. The washable antistatic fabric of claim 2, wherein the chemical fiber is selected from one or more of viscose, acetate, terylene, acrylic fiber, polypropylene, vinylon, polyvinyl chloride, nanofiber and polyester fiber.
4. The washable antistatic fabric of claim 1, 2 or 3, wherein the preparation method of the hydroxyl copper ferrite particles comprises the following steps:
1) dissolving glycerol and coconut diethanolamide in absolute ethyl alcohol at room temperature to obtain a mixed solution for later use;
2) dissolving a copper salt in a solvent at room temperature to obtain a copper salt solution for later use;
3) quickly pouring the mixed solution obtained in the step 1) into the copper salt solution obtained in the step 2), stirring for reaction, adding ammonia water under an ice bath condition, adjusting the pH value of the solution to 9-11, and reacting for 1-3h under the condition;
4) reacting the mixture obtained in the step 3) at the temperature of 120-150 ℃ for 45-60min, centrifuging to obtain a precipitate, centrifuging and washing for several times by using absolute ethyl alcohol, and drying to obtain a hydroxyl copper ferrite precursor;
5) and (3) putting the hydroxyl copper ferrite precursor in the step 4) into a muffle furnace to calcine for 1-2h at the temperature of 500-.
5. The washable antistatic fabric of claim 4, wherein the mass ratio of glycerol to coconut diethanolamide in step 1) is 1-2:2-4, the molar mass of copper in the copper salt solution is 0.1-0.3mol/L, and the mass ratio of the mixed solution to the copper salt solution is 3-5: 1.
6. The washable antistatic fabric of claim 4, wherein said copper salt comprises copper nitrate, copper acetate, copper chloride or copper sulfate.
7. The washable antistatic fabric according to claim 1, 2 or 3, characterized in that the washable finishing liquor comprises the following components in parts by weight: 130-150 parts of C12-C28Alkyl acrylate, 20-35 parts of functional monomer, 10-20 parts of penetrating agent, 5-10 parts of dispersing agent and 200-500 parts of water.
8. The washable antistatic fabric of claim 7, wherein said C is12-C28The alkyl acrylate is at least one of octadecyl acrylate, octadecyl methacrylate, behenyl acrylate, behenyl methacrylate and lauryl methacrylate, and the functional monomer is at least one of hydroxymethyl (meth) acrylate, tert-butylcyclohexyl methacrylate, glycerol (meth) acrylate, isocyanate group-containing (meth) acrylate, hydroxyethyl (meth) acrylate, 3-chloro-2-hydroxypropyl (meth) acrylate and glycidyl (meth) acrylate.
9. The preparation method of the washable antistatic fabric according to any one of claims 1 to 8, characterized by comprising the following steps:
a) preparing a basic fiber material and hydroxyl copper ferrite particles;
b) dissolving the hydroxyl copper ferrite particles obtained in the step a) in a solution containing the basic fiber material obtained in the step a) to obtain a mixed mother solution;
c) preparing master batches from the mixed mother liquor obtained in the step b), and spinning to form a fiber fabric;
d) and c), soaking the fiber fabric obtained in the step c) into a water-washing-resistant finishing liquid, carrying out padding treatment, drying and baking to obtain the water-washing-resistant antistatic fabric.
10. The preparation method of the washable antistatic fabric as claimed in claim 9, wherein in step d), the padding allowance of the padding treatment is 60% -90%; drying the fiber fabric subjected to padding treatment at the temperature of 85-120 ℃, and then baking at the temperature of 195-220 ℃; cleaning the baked fiber fabric with purified water for 1-8 times, drying at 85-130 deg.C, and baking at 195-220 deg.C for 5-10 min.
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Cited By (1)
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