CN111235869A - Antibacterial and deodorant functional cotton fabric and preparation method thereof - Google Patents
Antibacterial and deodorant functional cotton fabric and preparation method thereof Download PDFInfo
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- CN111235869A CN111235869A CN202010223197.0A CN202010223197A CN111235869A CN 111235869 A CN111235869 A CN 111235869A CN 202010223197 A CN202010223197 A CN 202010223197A CN 111235869 A CN111235869 A CN 111235869A
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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
- 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
- D06M11/32—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—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 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
- D06M11/38—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic System
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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
- 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
- D06M11/58—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 nitrogen or compounds thereof, e.g. with nitrides
- D06M11/64—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 nitrogen or compounds thereof, e.g. with nitrides with nitrogen oxides; with oxyacids of nitrogen or their salts
- D06M11/65—Salts of oxyacids of nitrogen
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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
- 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
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
- D06M13/188—Monocarboxylic acids; Anhydrides, halides or salts thereof
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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
- 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
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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
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
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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
- 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
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
Abstract
The invention relates to the field of textiles and discloses a bacteriostatic and deodorant functional cotton fabric and a preparation method thereof. The method comprises the steps of immersing a pretreated cotton fabric into a sodium chloroacetate solution for oxidation treatment, immersing the cotton fabric into an acetic acid solution for acidification treatment, immersing the cotton fabric into an organic solution of copper nitrate for stirring, sequentially adding an organic solution of trimesic acid and an aqueous solution of polyoxometallate for stirring, and finally washing and airing to obtain the antibacterial and deodorant functional cotton fabric. The preparation method of the invention combines the POMOF material with the functions of bacteriostasis and deodorization with the ether bond grafted on the surface of the cotton fabric in a covalent way, and then is closely connected with the cotton fabric.
Description
Technical Field
The invention relates to the field of textiles, in particular to a bacteriostatic and deodorant functional cotton fabric and a preparation method thereof.
Background
In recent years, along with the improvement of living standard, people's health and environmental awareness is continuously strengthened, and higher requirements are put forward on health care functions of the cotton fabric while paying attention to attractive appearance and comfortableness of clothes. However, cotton fibers are hydrophilic fibers and tend to provide conditions suitable for the growth of microorganisms such as bacteria and mold, thereby causing the growth of microorganisms and the generation of unpleasant odors on the fabric, which in some cases affect the appearance and the application properties of the fabric. Therefore, it is a new direction for people to research the functional effect of clothes by adding antibacterial and deodorant materials on the cotton fibers commonly used in the weaving of clothes. The conventional organic antibacterial materials have the problems of short service life, poor effect, harm to human bodies and the like, the conventional inorganic antibacterial agents have high manufacturing cost, and most of the antibacterial materials cannot play a role in deodorization. Therefore, the antibacterial and deodorant cotton fabric which has broad spectrum, high efficiency and durable antibacterial property, is safe to use, environment-friendly and low in cost becomes the focus of attention of people.
Polyoxometallates (POMs) have great potential application value in various fields such as catalysis, materials, medicines and the like due to incomparable structural characteristics. In medical applications, due to the characteristics of low toxicity, low cost and the like, the application of the antibacterial agent, the anticancer agent and the antiviral agent attracts attention of many researchers. The Metal Organic Framework (MOF) material is formed by self-assembly of inorganic metal ions and organic ligands, has many characteristics superior to the traditional porous material, and has ultrahigh specific surface area, higher porosity, adjustable pore size, good thermal stability and chemical stability, so that the MOFs material is widely applied to the fields of catalytic reaction, adsorption separation, biomedicine and the like, and shows excellent effects, thereby being a non-second choice for preparing the deodorant. Because the Polyoxometallate (POM) has the obvious characteristics of structure and multiple functions in property, the Polyoxometallate (POM) can form a compound which is loaded with polyacid or takes polyacid as a template with various inorganic connectors or organic bridging ligands, and therefore, the POMOF material which has high specific surface area, adjustable pore diameter and good crystallinity can be formed by replacing metal ions in MOFs with polyacid anions with proper sizes. The POMOF material has broad-spectrum, efficient and lasting antibacterial performance and a better deodorization function, is low in cost, safe to use and environment-friendly, so that the research on preparing the antibacterial and deodorization cotton fabric by using the POMOF material has great significance.
Disclosure of Invention
The invention aims to provide a bacteriostatic and deodorant functional cotton fabric and a preparation method thereof, and the prepared bacteriostatic and deodorant functional cotton fabric has the advantages of broad spectrum, high efficiency, lasting antibacterial property, safety in use, environmental friendliness, low manufacturing cost and the like.
In order to solve the technical problems, the invention provides a preparation method of a bacteriostatic and deodorant functional cotton fabric, which comprises the following steps:
1) washing cotton fabrics with NaOH solution, drying after washing, then immersing the cotton fabrics into 10-30% sodium chloroacetate solution according to a bath ratio of 1: 30-100, reacting for 5-20 min at room temperature, then taking out, cleaning and drying to obtain the cotton fabrics subjected to etherification modification treatment;
2) immersing the etherified and modified cotton fabric into an acid solution according to a bath ratio of 1: 30-100 for acidification, and then cleaning and airing;
3) immersing the cotton fabric subjected to acidification treatment in the step 2) into an organic solution of copper nitrate, stirring at room temperature for 12-36 h, then sequentially adding an organic solution of trimesic acid and an aqueous solution of polyoxometallate, stirring at room temperature for 24-48 h, then taking out, washing and airing.
Preferably, the washing in step 1) is specifically: soaking the cotton fabric into a NaOH solution with the mass fraction of 2-5% according to the bath ratio of 1:50, and washing for 60min at the temperature of 80 ℃.
Preferably, the drying temperature in the step 1) is 70-90 ℃, and the drying time is 20-60 min.
Preferably, the acidic solution in the step 2) is an acetic acid solution with a mass fraction of 1-5%.
Preferably, the preparation method of the organic solution of copper nitrate in the step 3) comprises the following steps: dissolving copper nitrate in an organic solvent, and carrying out ultrasonic treatment for 0.5-1 h, wherein the concentration of the organic solution of the copper nitrate is 0.05-0.1 g/mL, and the organic solvent is one of ethanol and DMF.
Preferably, the preparation method of the organic solution of trimesic acid in the step 3) comprises the following steps: dissolving trimesic acid in an organic solvent, and carrying out ultrasonic treatment for 0.5-1 h, wherein the concentration of the organic solution of the trimesic acid is 0.05-0.1 g/mL, and the organic solvent is one of ethanol and DMF.
Preferably, the solute of the aqueous solution of the polyoxometallate in the step 3) is keggin-type vacancy polyacid, and the concentration is 0.05-0.1 g/mL.
Preferably, the washing in step 3) is specifically: firstly soaking the mixture into distilled water and stirring the mixture for 1 to 3 hours, then soaking the mixture into DMF and stirring the mixture for 1 to 3 hours, and finally soaking the mixture into ethanol and stirring the mixture for 1 to 3 hours.
The invention also provides the antibacterial and deodorant functional cotton fabric prepared by the preparation method.
Compared with the prior art, the invention provides the antibacterial and deodorant functional cotton fabric and the preparation method thereof, and the antibacterial and deodorant functional cotton fabric has the following beneficial effects: the method comprises the steps of immersing a pretreated cotton fabric into a sodium chloroacetate solution for oxidation treatment, immersing the cotton fabric into an acetic acid solution for acidification treatment, immersing the cotton fabric into an organic solution of copper nitrate for stirring, sequentially adding an organic solution of trimesic acid and an aqueous solution of polyoxometallate for stirring, and finally washing and airing to obtain the antibacterial and deodorant functional cotton fabric. The preparation method of the invention combines the POMOF material with the functions of bacteriostasis and deodorization with the ether bond grafted on the surface of the cotton fabric in a covalent way, and then the POMOF material is tightly connected with the cotton fabric. Therefore, the cotton fabric of the invention obtains broad-spectrum, high-efficiency and lasting antibacterial property, and has the advantages of safe use, environmental protection, simple manufacturing process, lower cost and easy scale-up production.
Detailed Description
For a further understanding of the invention, reference will now be made to the preferred embodiments of the present invention by way of example, and it is to be understood that the description is intended to further illustrate features and advantages of the present invention and is not intended to limit the scope of the claims which follow.
All of the starting materials of the present invention, without particular limitation as to their source, may be purchased commercially or prepared according to conventional methods well known to those skilled in the art.
The invention provides a preparation method of a bacteriostatic and deodorant functional cotton fabric, which comprises the following steps:
1) washing cotton fabrics with NaOH solution, drying after washing, then immersing the cotton fabrics into 10-30% sodium chloroacetate solution according to a bath ratio of 1: 30-100, reacting for 5-20 min at room temperature, then taking out, cleaning and drying to obtain the cotton fabrics subjected to etherification modification treatment;
2) immersing the etherified and modified cotton fabric into an acid solution according to a bath ratio of 1: 30-100 for acidification, and then cleaning and airing;
3) immersing the cotton fabric subjected to acidification treatment in the step 2) into an organic solution of copper nitrate, stirring at room temperature for 12-36 h, then sequentially adding an organic solution of trimesic acid and an aqueous solution of polyoxometallate, stirring at room temperature for 24-48 h, then taking out, washing and airing.
Specifically, the cotton fabric is washed by NaOH solution and dried after being washed. In the process of washing the cotton fabric by using the NaOH solution, the cotton fabric is preferably immersed into the NaOH solution with the mass fraction of 2-5% according to the bath ratio of 1:50, and washed for 60min at the temperature of 80 ℃. The cotton fabric is cleaned by NaOH solution and then needs to be dried, wherein the drying temperature is preferably 70-90 ℃, and the drying time is preferably 20-60 min. Then, soaking the cleaned and dried cotton fabric into a 10-30% sodium chloroacetate solution according to a bath ratio of 1: 30-100, reacting for 5-20 min at room temperature, taking out, cleaning and drying to obtain the cotton fabric subjected to etherification modification treatment; in the process, the bath ratio of the cotton fabric immersed in the sodium chloroacetate solution is preferably 1: 40-80, the reaction time at room temperature is preferably 10-20 min, the drying temperature is preferably 70-90 ℃, and the drying time is preferably 20-60 min.
Then immersing the etherified and modified cotton fabric into an acid solution according to a bath ratio of 1: 30-100 for acidification, and then cleaning and airing; in the process, the acid solution adopted by the method is preferably an acetic acid solution with the mass fraction of 1-5%, more preferably an acetic acid solution with the mass fraction of 2-5%, and the bath ratio of the etherified and modified cotton fabric to the acid solution is further preferably 1: 40-80.
And (3) soaking the acidified cotton fabric into an organic solution of copper nitrate, stirring at room temperature for 12-36 h, sequentially adding an organic solution of trimesic acid and an aqueous solution of polyoxometallate, stirring at room temperature for 24-48 h, taking out, washing and airing to obtain the antibacterial and deodorant functional cotton fabric. Preferably, the washing step is to immerse the mixture into distilled water and stir the mixture for 1 to 3 hours, then immerse the mixture into DMF and stir the mixture for 1 to 3 hours, and finally immerse the mixture into ethanol and stir the mixture for 1 to 3 hours; immersing the acidified cotton fabric into an organic solution of copper nitrate, and stirring at room temperature for a further preferable time of 12-36 h; adding an organic solution of trimesic acid and an aqueous solution of polyoxometallate, and then stirring at room temperature for a further preferred time of 24-48 h, in the process, taking trimesic acid (BTC) as an organic ligand, forming a metal organic framework Cu-BTC with copper nitrate and then complexing with the polyoxometallate to form a POMOF material, wherein the POMOF material can be subjected to covalent bonding through ether bonds grafted on the surface of the cotton fabric, and is further tightly connected with the cotton fabric, so that the cotton fabric with the functions of bacteriostasis and deodorization is finally prepared.
The concentration of the organic solution of copper nitrate adopted by the invention is preferably 0.05-0.1 g/mL, and more preferably 0.08-0.1 g/mL. The preparation method of the organic solution of copper nitrate comprises the following steps: dissolving copper nitrate in an organic solvent, and carrying out ultrasonic treatment for 0.5-1 h. Wherein the organic solvent is preferably one of ethanol and DMF.
The concentration of the organic solution of trimesic acid adopted by the invention is preferably 0.05-0.1 g/mL, and more preferably 0.05-0.08 g/mL. The preparation method of the organic solution of trimesic acid comprises the following steps: dissolving trimesic acid in an organic solvent, and carrying out ultrasonic treatment for 0.5-1 h. Wherein the organic solvent is preferably selected from one of ethanol and DMF.
The concentration of the aqueous solution of the polyoxometallate adopted by the invention is preferably 0.05-0.1 g/mL, and more preferablyIs selected to be 0.05-0.08 g/mL, the solute is preferably selected from keggin type absent polyacid, and is further preferably PW11Ni、PMo11Mn and PMo11One of Zn.
The invention also provides the antibacterial and deodorant functional cotton fabric prepared by the preparation method. The functional cotton fabric has broad-spectrum, high-efficiency and lasting antibacterial property, and is safe to use and environment-friendly.
In order to further illustrate the invention, the following will describe in detail the preparation method of the bacteriostatic and deodorant functional cotton fabric provided by the invention with reference to the examples.
Example 1
(1) Washing: soaking 1g of cotton fabric into 2 percent NaOH solution according to the bath ratio of 1:50 at the temperature of 80 ℃ for washing for 60min, and taking out and drying after washing.
(2) Etherification modification treatment: soaking the cotton fabric cleaned in the step (1) into a sodium chloroacetate solution with the mass fraction of 10% according to the bath ratio of 1:40, reacting for 20min at room temperature, taking out, cleaning, and drying for 60min at 70 ℃.
(3) Acidifying: and (3) immersing the cotton fabric subjected to etherification modification treatment in the step (2) into an acetic acid solution with the mass fraction of 2% according to the bath ratio of 1:40 for acidification, then taking out, cleaning and airing.
(4) Weighing 2.5g of trimesic acid particles, dissolving in 50mL of ethanol, and carrying out ultrasonic treatment for 0.5h to obtain an organic solution of trimesic acid with the concentration of 0.05 g/mL.
(5) Weighing 4g of copper nitrate, dissolving in 50mL of ethanol, and carrying out ultrasonic treatment for 0.5h to obtain an organic solution of the copper nitrate with the concentration of 0.08 g/mL.
(6) Weighing 2.5g of PW11Ni is dissolved in 50mL of water and is treated by ultrasonic for 0.5h to obtain PW with the concentration of 0.05g/mL11An aqueous solution of Ni.
(7) Placing the acidified cotton fabric in the step (3) into the organic solution of copper nitrate obtained in the step (5), stirring at room temperature for 12h, and then sequentially adding the organic solution of trimesic acid obtained in the step (4) and the PW obtained in the step (6)11Stirring Ni water solution at room temperature for 24h, taking out the cotton fabric, and stirring with distilled waterAnd stirring and washing for 3h, stirring and washing for 3h by using DMF, stirring and washing for 3h by using ethanol, and airing to obtain the antibacterial and deodorant functional cotton fabric.
Example 2
(1) Washing: soaking 2g of cotton fabric into a 3% NaOH solution according to a bath ratio of 1:50 at 80 ℃ for washing for 60min, and taking out and drying after washing.
(2) Etherification modification treatment: soaking the cotton fabric cleaned in the step (1) into a sodium chloroacetate solution with the mass fraction of 20% according to the bath ratio of 1:50, reacting for 15min at room temperature, taking out, cleaning, and drying for 40min at the temperature of 80 ℃.
(3) Acidifying: and (3) immersing the cotton fabric subjected to etherification modification treatment in the step (2) into an acetic acid solution with the mass fraction of 3% according to the bath ratio of 1:50 for acidification, then taking out, cleaning and airing.
(4) Weighing 4g of trimesic acid particles, dissolving in 50mL of ethanol, and carrying out ultrasonic treatment for 1h to obtain an organic solution of trimesic acid with the concentration of 0.08 g/mL.
(5) 5g of copper nitrate is weighed, dissolved in 50mL of ethanol and subjected to ultrasonic treatment for 1h to obtain an organic solution of copper nitrate with the concentration of 0.1 g/mL.
(6) Weighing 4g of PMo11Dissolving Mn in 50mL of water, and performing ultrasonic treatment for 1h to obtain PMo with the concentration of 0.08g/mL11An aqueous solution of Mn.
(7) Placing the acidified cotton fabric in the step (3) into the organic solution of copper nitrate obtained in the step (5), stirring at room temperature for 24h, and then sequentially adding the organic solution of trimesic acid obtained in the step (4) and PMo obtained in the step (6)11And stirring the Mn aqueous solution for 36 hours at room temperature, taking out the cotton fabric, stirring and washing the cotton fabric for 1 hour by using distilled water, stirring and washing the cotton fabric for 1 hour by using DMF (dimethyl formamide), stirring and washing the cotton fabric for 1 hour by using ethanol, and airing to obtain the antibacterial and deodorant functional cotton fabric.
Example 3
(1) Washing: soaking 1g of cotton fabric into a 5% NaOH solution according to a bath ratio of 1:50 at 80 ℃ for washing for 60min, and taking out and drying after washing.
(2) Etherification modification treatment: soaking the cotton fabric cleaned in the step (1) into a sodium chloroacetate solution with the mass fraction of 30% according to the bath ratio of 1:80, reacting for 10min at room temperature, taking out, cleaning, and drying for 20min at the temperature of 90 ℃.
(3) Acidifying: and (3) immersing the cotton fabric subjected to etherification modification treatment in the step (2) into an acetic acid solution with the mass fraction of 5% according to the bath ratio of 1:80 for acidification, then taking out, cleaning and airing.
(4) 3.5g of trimesic acid granules are weighed and dissolved in 50mL of ethanol, and the mixture is subjected to ultrasonic treatment for 1h to obtain an organic solution of trimesic acid with the concentration of 0.07 g/mL.
(5) 5g of copper nitrate is weighed, dissolved in 50mL of ethanol and subjected to ultrasonic treatment for 1h to obtain an organic solution of copper nitrate with the concentration of 0.1 g/mL.
(6) 3.5g PMo are weighed out11Zn is dissolved in 50mL of water and treated with ultrasound for 1h to obtain PMo with the concentration of 0.07g/mL11An aqueous solution of Zn.
(7) Placing the acidified cotton fabric in the step (3) into the organic solution of copper nitrate obtained in the step (5), stirring at room temperature for 36h, and then sequentially adding the organic solution of trimesic acid obtained in the step (4) and PMo obtained in the step (6)11And stirring the aqueous solution of Zn at room temperature for 48 hours, taking out the cotton fabric, stirring and washing the cotton fabric for 2 hours by using distilled water, stirring and washing the cotton fabric for 2 hours by using DMF (dimethyl formamide), stirring and washing the cotton fabric for 2 hours by using ethanol, and airing to obtain the antibacterial and deodorant functional cotton fabric.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. 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 (9)
1. A preparation method of a bacteriostatic and deodorant functional cotton fabric is characterized by comprising the following steps:
1) washing cotton fabrics with NaOH solution, drying after washing, then immersing the cotton fabrics into 10-30% sodium chloroacetate solution according to a bath ratio of 1: 30-100, reacting for 5-20 min at room temperature, then taking out, cleaning and drying to obtain the cotton fabrics subjected to etherification modification treatment;
2) immersing the etherified and modified cotton fabric into an acid solution according to a bath ratio of 1: 30-100 for acidification, and then cleaning and airing;
3) immersing the cotton fabric subjected to acidification treatment in the step 2) into an organic solution of copper nitrate, stirring at room temperature for 12-36 h, then sequentially adding an organic solution of trimesic acid and an aqueous solution of polyoxometallate, stirring at room temperature for 24-48 h, then taking out, washing and airing.
2. The preparation method according to claim 1, wherein the washing in step 1) is specifically: soaking the cotton fabric into a NaOH solution with the mass fraction of 2-5% according to the bath ratio of 1:50, and washing for 60min at the temperature of 80 ℃.
3. The preparation method according to claim 1, wherein the drying temperature in the step 1) is 70-90 ℃ and the drying time is 20-60 min.
4. The preparation method according to claim 1, wherein the acidic solution in the step 2) is an acetic acid solution with a mass fraction of 1-5%.
5. The method according to claim 1, wherein the organic solution of copper nitrate in step 3) is prepared by: dissolving copper nitrate in an organic solvent, and carrying out ultrasonic treatment for 0.5-1 h, wherein the concentration of the organic solution of the copper nitrate is 0.05-0.1 g/mL, and the organic solvent is one of ethanol and DMF.
6. The method according to claim 1, wherein the organic solution of trimesic acid in step 3) is prepared by: dissolving trimesic acid in an organic solvent, and carrying out ultrasonic treatment for 0.5-1 h, wherein the concentration of the organic solution of the trimesic acid is 0.05-0.1 g/mL, and the organic solvent is one of ethanol and DMF.
7. The preparation method according to claim 1, wherein the aqueous solution of the polyoxometallate in the step 3) has a solute of keggin-type vacancy polyacid and a concentration of 0.05-0.1 g/mL.
8. The preparation method according to claim 1, wherein the washing in step 3) is specifically: firstly soaking the mixture into distilled water and stirring the mixture for 1 to 3 hours, then soaking the mixture into DMF and stirring the mixture for 1 to 3 hours, and finally soaking the mixture into ethanol and stirring the mixture for 1 to 3 hours.
9. The antibacterial and deodorant functional cotton fabric prepared by the preparation method according to any one of claims 1-8.
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| CN112900098A (en) * | 2021-01-22 | 2021-06-04 | 南通大学 | Photocatalytic self-cleaning functional cotton fabric and preparation method thereof |
| CN114277576A (en) * | 2022-01-20 | 2022-04-05 | 南通大学 | Preparation method of Cu-MOFs-loaded multifunctional cotton fabric |
| CN114657706A (en) * | 2022-04-18 | 2022-06-24 | 南通大学 | PVA/POMOF functional air filtering material and preparation method thereof |
| CN115972702A (en) * | 2022-12-19 | 2023-04-18 | 无锡卓群服饰有限公司 | Antibacterial sweat-releasing school uniform fabric and preparation method thereof |
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