CN109610157B - Preparation method of antibacterial and deodorant fibrilia primary backing cloth for artificial leather - Google Patents
Preparation method of antibacterial and deodorant fibrilia primary backing cloth for artificial leather Download PDFInfo
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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
- D06M11/46—Oxides or hydroxides of elements of Groups 4 or 14 of the Periodic System; Titanates; Zirconates; Stannates; Plumbates
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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
- D06M11/73—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 carbon or compounds thereof
- D06M11/76—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 carbon or compounds thereof with carbon oxides or carbonates
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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
- D06M13/192—Polycarboxylic 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
- 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
- D06M13/207—Substituted carboxylic acids, e.g. by hydroxy or keto groups; 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
- D06M15/01—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
- D06M15/03—Polysaccharides or derivatives 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
- 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 technical field of textiles, solves the problems that a vamp leather base cloth is easy to breed bacteria and has large odor, and discloses a preparation method of an antibacterial and odor-resistant fibrilia base cloth for artificial leather. The method comprises the steps of firstly depositing titanium dioxide on fibrilia, then utilizing trimellitic acid after acyl chloride and beta-cyclodextrin to generate cross-linking action to form a three-dimensional reticular high molecular polymer which is entangled on the surface of the fibrilia, and finally encapsulating methyl nonyl ketone lauric acid with antibacterial action in the beta-cyclodextrin molecule. The invention uses beta-cyclodextrin to adsorb the odor in the surrounding air, thereby achieving the purpose of deodorization; the double-layer bactericidal substance is prepared on the fibrilia, the inner layer is a titanium dioxide layer deposited on the surface of the fibrilia, and the outer layer is a methyl nonyl ketone lauric acid layer fixed in the three-dimensional reticular high-molecular polymer.
Description
Technical Field
The invention relates to the technical field of spinning, in particular to a preparation method of antibacterial deodorant fibrilia base cloth for artificial leather.
Background
The artificial leather is made by foaming or film-covering PVC, PU and the like with different formulas on a textile fabric or a non-woven fabric base fabric, can be processed and manufactured according to the requirements of different strengths, colors, gloss, patterns and the like, has the characteristics of various patterns, good waterproof performance, tidy edges and breadth, high utilization rate and low price relative to genuine leather, and is widely adopted by the processing and manufacturing of two layers of leather by the increasingly advanced manufacturing process of the artificial leather. Nowadays, artificial leather with characteristics very similar to real leather is produced and marketed, the surface process and the fiber tissue of the base material of the artificial leather almost achieve the effect of real leather, and the price of the artificial leather is comparable to that of domestic first-layer leather. Chinese patent publication No. CN107447537 discloses a preparation method of an environment-friendly leather fabric, which comprises the following steps: selecting leather and base cloth as raw materials, moving the leather into a stirring instrument, introducing water again, then spraying a degreasing agent and an oxidant, moving the leather into a rotary drum after the leather is softened, adding mixed dye into the rotary drum simultaneously, finishing dyeing, treating the surface of the dyed leather by using a scraper, spraying a layer of spraying material on the outer surface of the leather, soaking the base cloth in a mixed solution of a pigment, an aromatic and an active agent, and bonding one side of the leather by using biogum and the like to form a primary environment-friendly leather fabric.
Disclosure of Invention
The invention provides a preparation method of antibacterial and deodorant fibrilia base cloth for artificial leather, aiming at solving the problems that the base cloth for vamp leather is easy to breed bacteria and has large odor in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: a preparation method of antibacterial deodorant fibrilia primary backing cloth for artificial leather comprises the following steps:
1) adding titanium sulfate into water, uniformly stirring to prepare a titanium sulfate aqueous solution with the mass fraction of 2-5%, then immersing the fibrilia fabric into the titanium sulfate aqueous solution, heating to boil, refluxing for 1-3 h, cooling, taking out the fabric, and drying in a vacuum drying oven to obtain a fibrilia fabric 1;
2) adding trimellitic acid into thionyl chloride, heating, stirring and refluxing for 12-24 hours, so that trimellitic acid is subjected to acyl chlorination, then removing thionyl chloride under reduced pressure to obtain a residue, adding N, N-dimethylformamide with the residue amount being 60-80 times of that of the residue into the residue, stirring and dissolving, then immersing the fibrilia fabric 1 in the step 1) into the dissolving solution, adding beta-cyclodextrin and sodium carbonate, wherein the molar ratio of the beta-cyclodextrin to the trimellitic acid is 1: 3-5, heating and reacting, then taking out the fibrilia fabric, and drying in an oven at 40-70 ℃ for 2-6 hours to obtain a fibrilia fabric 2;
3) adding methyl nonyl ketone lauric acid into deionized water, stirring and dissolving to prepare a methyl nonyl ketone lauric acid solution with the mass fraction of 3-6%, then immersing the fibrilia fabric 2 in the step 2) into the methyl nonyl ketone lauric acid solution, ultrasonically oscillating for 1-2 h at 40-50 ℃, taking out, washing with water, and drying to obtain the fibrilia primary backing fabric with the antibacterial and deodorant effects.
According to the invention, the fibrilia fabric is firstly immersed into the aqueous solution of titanium sulfate for heating treatment, the titanium sulfate is hydrolyzed in the heating process to generate titanium dioxide nano particles to be deposited on the fibrilia fabric, the deposition effect of the titanium dioxide and the hydrogen bond effect of the hydroxyl on the surface of the titanium dioxide and the hydroxyl on the surface of the fibrilia are formed, so that the titanium dioxide has higher binding force on the surface of the fibrilia, the titanium dioxide is not easy to fall off from the surface of the fibrilia, the titanium dioxide has better bactericidal effect, and the bacterial reproduction on the fibrilia base cloth can be inhibited, thereby playing the antibacterial role. In the heating process of the fibrilia, the titanium sulfate can be hydrolyzed, and the fibrilia can be loosened, thereby being beneficial to the uniform deposition of the titanium dioxide on the surface of the fibrilia. And then, the trimellitic acid after acyl chlorination and beta-cyclodextrin are crosslinked to form a three-dimensional reticular high molecular polymer, and the three-dimensional reticular high molecular polymer is entangled on fibrilia, so that the beta-cyclodextrin is fixed on the surface of the fibrilia, has better adsorption effect, and can adsorb odor in the surrounding air, thereby achieving the aim of deodorization. The inventor finds that the titanium dioxide on the surface of the fiber plays an important role in entanglement and fixation of the three-dimensional reticular high-molecular polymer on the fibrilia because the base cloth rubs with feet, the three-dimensional reticular high-molecular polymer is entangled on the fibrilia by a common method, and the three-dimensional reticular high-molecular polymer is easily separated from the fiber And (5) separating. Finally, the methyl nonyl ketone lauric acid is wrapped inside the molecule by utilizing the beta-cyclodextrin hollow columnar molecular structure, the methyl nonyl ketone lauric acid has a strong sterilization effect, the methyl nonyl ketone lauric acid is compounded with titanium dioxide, a good bacteriostasis effect can be achieved, the range of a sterilization spectrum is expanded, a double-layer sterilization structure is formed on the fibrilia equivalently, the inner layer is a titanium dioxide layer deposited on the surface of the fiber, and the outer layer is a methyl nonyl ketone lauric acid layer fixed in a three-dimensional reticular high polymer, so that the antibacterial substance can be uniformly dispersed on the fiber by the structure, and the bacteriostasis and sterilization effects of the fibrilia are greatly improved.
Preferably, the temperature of the vacuum drying oven in the step 1) is set to be 60-80 ℃, and the vacuum drying time is 2-4 hours.
Preferably, the mass ratio of the beta-cyclodextrin to the sodium carbonate in the step 2) is 1: 0.01-0.05.
The method uses sodium carbonate to neutralize acid generated by the reaction of the trimellitic acid after acyl chlorination and beta-cyclodextrin, thereby preventing the excessive acid in the reaction liquid from inhibiting the reaction.
Preferably, the heating reaction temperature in the step 2) is 50-60 ℃, and the heating reaction time is 5-10 h.
Preferably, the frequency of the ultrasonic oscillation in the step 3) is 100-200 Hz.
Preferably, the drying temperature in the step 3) is 40-70 ℃, and the drying time is 4-10 h.
Therefore, the invention has the following beneficial effects: (1) the beta-cyclodextrin has good adsorption effect and can adsorb odor in the surrounding air, so that the purpose of deodorization is achieved; (2) the double-layer bactericidal substance is prepared on the fibrilia, the inner layer is a titanium dioxide layer deposited on the surface of the fibrilia, and the outer layer is a methyl nonyl ketone lauric acid layer fixed in the three-dimensional reticular high-molecular polymer.
Detailed Description
The technical solution of the present invention is further illustrated by the following specific examples.
In the present invention, unless otherwise specified, all the raw materials and equipment used are commercially available or commonly used in the art, and the methods in the examples are conventional in the art unless otherwise specified.
Example 1
The preparation method of the antibacterial deodorant fibrilia primary backing cloth for the artificial leather comprises the following steps:
1) adding titanium sulfate into water, uniformly stirring to prepare a titanium sulfate aqueous solution with the mass fraction of 2%, then immersing the fibrilia fabric into the titanium sulfate aqueous solution, heating to boil, refluxing for 1h, cooling, taking out the fabric, putting the fabric into a vacuum drying oven for drying, wherein the vacuum drying temperature is 60 ℃, and the vacuum drying time is 2h to obtain the fibrilia fabric 1;
2) adding trimellitic acid into thionyl chloride, wherein the mass ratio of trimellitic acid to thionyl chloride is 1:20, heating, stirring and refluxing for 12 hours to perform acyl chlorination on trimellitic acid, then removing thionyl chloride under reduced pressure to obtain a residue, adding N, N-dimethylformamide with the amount of 60 times of the mass of the residue into the residue, stirring and dissolving, then soaking the fibrilia fabric 1 in the step 1) into the solution, adding beta-cyclodextrin and sodium carbonate, wherein the molar ratio of the beta-cyclodextrin to the trimellitic acid is 1:3, the mass ratio of the beta-cyclodextrin to the sodium carbonate is 1:0.01, heating to 50 ℃ for reaction for 5 hours, then taking out the fibrilia fabric, and putting the fibrilia fabric into an oven for drying at 40 ℃ for 2 hours to obtain a fibrilia fabric 2;
3) adding methyl nonyl ketone lauric acid into deionized water, stirring and dissolving to prepare a methyl nonyl ketone lauric acid solution with the mass fraction of 3%, then immersing the fibrilia fabric 2 in the step 2) into the methyl nonyl ketone lauric acid solution, ultrasonically shaking for 1h at 40 ℃, wherein the ultrasonic shaking frequency is 100Hz, taking out, washing with water, and drying for 4h at 40 ℃ to obtain the fibrilia base fabric with the antibacterial and deodorant effects.
Example 2
The preparation method of the antibacterial deodorant fibrilia primary backing cloth for the artificial leather comprises the following steps:
1) adding titanium sulfate into water, uniformly stirring to prepare a titanium sulfate aqueous solution with the mass fraction of 3%, then immersing the fibrilia fabric into the titanium sulfate aqueous solution, heating to boil, refluxing for 1h, cooling, taking out the fabric, putting the fabric into a vacuum drying oven for drying, wherein the vacuum drying temperature is 65 ℃, and the vacuum drying time is 2h to obtain the fibrilia fabric 1;
2) adding trimellitic acid into thionyl chloride, wherein the mass ratio of trimellitic acid to thionyl chloride is 1:24, heating, stirring and refluxing for 15 hours to perform acyl chlorination on trimellitic acid, then removing thionyl chloride under reduced pressure to obtain a residue, adding N, N-dimethylformamide with the amount 65 times of the mass of the residue into the residue, stirring and dissolving, then immersing the fibrilia fabric 1 in the step 1) into the solution, adding beta-cyclodextrin and sodium carbonate, wherein the molar ratio of the beta-cyclodextrin to the trimellitic acid is 1:3, the mass ratio of the beta-cyclodextrin to the sodium carbonate is 1:0.02, heating to 52 ℃ for reaction for 6 hours, then taking out the fibrilia fabric, and putting the fibrilia fabric into an oven for drying at 50 ℃ for 3 hours to obtain a fibrilia fabric 2;
3) adding methyl nonyl ketone lauric acid into deionized water, stirring and dissolving to prepare a methyl nonyl ketone lauric acid solution with the mass fraction of 4%, then immersing the fibrilia fabric 2 in the step 2) into the methyl nonyl ketone lauric acid solution, ultrasonically shaking for 1h at 42 ℃, wherein the ultrasonic shaking frequency is 120Hz, taking out, washing with water, and drying for 5h at 50 ℃ to obtain the fibrilia base fabric with the antibacterial and deodorant effects.
Example 3
The preparation method of the antibacterial deodorant fibrilia primary backing cloth for the artificial leather comprises the following steps:
1) adding titanium sulfate into water, uniformly stirring to prepare a titanium sulfate aqueous solution with the mass fraction of 3.5%, then immersing the fibrilia fabric into the titanium sulfate aqueous solution, heating to boil, refluxing for 2 hours, cooling, taking out the fabric, putting the fabric into a vacuum drying oven for drying, wherein the vacuum drying temperature is 70 ℃, and the vacuum drying time is 3 hours, so as to obtain the fibrilia fabric 1;
2) adding trimellitic acid into thionyl chloride, wherein the mass ratio of trimellitic acid to thionyl chloride is 1:26, heating, stirring and refluxing for 18 hours to perform acyl chlorination on trimellitic acid, then removing thionyl chloride under reduced pressure to obtain a residue, adding N, N-dimethylformamide with the mass of 70 times of that of the residue into the residue, stirring and dissolving, then immersing the fibrilia fabric 1 in the step 1) into the solution, adding beta-cyclodextrin and sodium carbonate, wherein the molar ratio of the beta-cyclodextrin to the trimellitic acid is 1:4, the mass ratio of the beta-cyclodextrin to the sodium carbonate is 1:0.03, heating to 54 ℃ for reaction for 7 hours, then taking out the fibrilia fabric, and putting the fibrilia fabric into an oven for drying at 55 ℃ for 4 hours to obtain a fibrilia fabric 2;
3) adding methyl nonyl ketone lauric acid into deionized water, stirring and dissolving to prepare a methyl nonyl ketone lauric acid solution with the mass fraction of 4.5%, then immersing the fibrilia fabric 2 in the step 2) into the methyl nonyl ketone lauric acid solution, ultrasonically shaking for 1.5h at 46 ℃, wherein the ultrasonic shaking frequency is 150Hz, taking out, washing with water, and drying for 6h at 55 ℃ to obtain the fibrilia base cloth with the antibacterial and deodorant effects.
Example 4
The preparation method of the antibacterial deodorant fibrilia primary backing cloth for the artificial leather comprises the following steps:
1) adding titanium sulfate into water, uniformly stirring to prepare a titanium sulfate aqueous solution with the mass fraction of 4%, then immersing the fibrilia fabric into the titanium sulfate aqueous solution, heating to boil, refluxing for 3h, cooling, taking out the fabric, putting the fabric into a vacuum drying oven for drying, wherein the vacuum drying temperature is 75 ℃, and the vacuum drying time is 4h, so as to obtain the fibrilia fabric 1;
2) adding trimellitic acid into thionyl chloride, wherein the mass ratio of trimellitic acid to thionyl chloride is 1:28, heating, stirring and refluxing for 20 hours to perform acyl chlorination on trimellitic acid, then removing thionyl chloride under reduced pressure to obtain a residue, adding N, N-dimethylformamide with the mass 75 times of that of the residue into the residue, stirring and dissolving, then soaking the fibrilia fabric 1 in the step 1) into the solution, adding beta-cyclodextrin and sodium carbonate, wherein the molar ratio of the beta-cyclodextrin to the trimellitic acid is 1:5, the mass ratio of the beta-cyclodextrin to the sodium carbonate is 1:0.04, heating to 56 ℃ for reaction for 8 hours, then taking out the fibrilia fabric and putting the fibrilia fabric into an oven for drying at 60 ℃ for 5 hours to obtain a fibrilia fabric 2;
3) adding methyl nonyl ketone lauric acid into deionized water, stirring and dissolving to prepare a methyl nonyl ketone lauric acid solution with the mass fraction of 5%, then immersing the fibrilia fabric 2 in the step 2) into the methyl nonyl ketone lauric acid solution, ultrasonically shaking for 2h at 48 ℃, wherein the ultrasonic shaking frequency is 180Hz, taking out, washing with water, and drying for 8h at 60 ℃ to obtain the fibrilia base fabric with the antibacterial and deodorant effects.
Example 5
The preparation method of the antibacterial deodorant fibrilia primary backing cloth for the artificial leather comprises the following steps:
1) adding titanium sulfate into water, uniformly stirring to prepare a titanium sulfate aqueous solution with the mass fraction of 5%, then immersing the fibrilia fabric into the titanium sulfate aqueous solution, heating to boil, refluxing for 3h, cooling, taking out the fabric, putting the fabric into a vacuum drying oven for drying, wherein the vacuum drying temperature is 80 ℃, and the vacuum drying time is 4h, so as to obtain the fibrilia fabric 1;
2) adding trimellitic acid into thionyl chloride, wherein the mass ratio of trimellitic acid to thionyl chloride is 1:30, heating, stirring and refluxing for 24 hours to perform acyl chlorination on trimellitic acid, then removing thionyl chloride under reduced pressure to obtain a residue, adding N, N-dimethylformamide with the amount of 80 times of the mass of the residue into the residue, stirring and dissolving, then soaking the fibrilia fabric 1 in the step 1) into the solution, adding beta-cyclodextrin and sodium carbonate, wherein the molar ratio of the beta-cyclodextrin to the trimellitic acid is 1:5, the mass ratio of the beta-cyclodextrin to the sodium carbonate is 1:0.05, heating to 60 ℃, reacting for 10 hours, then taking out the fibrilia fabric, and drying in an oven at 70 ℃ for 6 hours to obtain a fibrilia fabric 2;
3) adding methyl nonyl ketone lauric acid into deionized water, stirring and dissolving to prepare a methyl nonyl ketone lauric acid solution with the mass fraction of 6%, then immersing the fibrilia fabric 2 in the step 2) into the methyl nonyl ketone lauric acid solution, ultrasonically shaking for 2h at 50 ℃, wherein the ultrasonic shaking frequency is 200Hz, taking out, washing with water, and drying at 70 ℃ for 10h to obtain the fibrilia base fabric with the antibacterial and deodorant effects.
Comparative example 1
The preparation method of the fibrilia primary backing cloth for the artificial leather comprises the following steps:
adding titanium sulfate into water, uniformly stirring to prepare a titanium sulfate aqueous solution with the mass fraction of 5%, then immersing the fibrilia fabric into the titanium sulfate aqueous solution, heating to boil, refluxing for 3h, cooling, taking out the fabric, putting the fabric into a vacuum drying oven for drying, wherein the vacuum drying temperature is 80 ℃, and the vacuum drying time is 4h, so as to obtain the fibrilia base fabric with the antibacterial and deodorant effects.
Comparative example 2
The preparation method of the fibrilia primary backing cloth for the artificial leather comprises the following steps:
1) adding trimellitic acid into thionyl chloride, wherein the mass ratio of trimellitic acid to thionyl chloride is 1:30, heating, stirring and refluxing for 24 hours to perform acyl chlorination on trimellitic acid, then removing thionyl chloride under reduced pressure to obtain a residue, adding N, N-dimethylformamide with the mass 80 times of that of the residue into the residue, stirring and dissolving, then soaking a fibrilia fabric into the dissolved solution, adding beta-cyclodextrin and sodium carbonate, wherein the molar ratio of the beta-cyclodextrin to the trimellitic acid is 1:5, the mass ratio of the beta-cyclodextrin to the sodium carbonate is 1:0.05, heating to 60 ℃, reacting for 10 hours, then taking out the fibrilia fabric, and drying in an oven at 70 ℃ for 6 hours;
2) adding methyl nonyl ketone lauric acid into deionized water, stirring and dissolving to prepare a methyl nonyl ketone lauric acid solution with the mass fraction of 6%, then immersing the fibrilia fabric dried in the step 1) into the methyl nonyl ketone lauric acid solution, ultrasonically shaking for 2h at 50 ℃, wherein the ultrasonic shaking frequency is 200Hz, taking out, washing with water, and drying at 70 ℃ for 10h to obtain the fibrilia base cloth with the antibacterial and deodorant effects.
Test of antibacterial Property
The antibacterial performance of the examples 1 to 5 was tested, and the antibacterial performance test method of escherichia coli was as follows: culture medium: 0.3g of beef extract, 1g of dried egg white, 0.5g of sodium chloride, 1.8g of agar and 100mL of distilled water, and the pH value is 7.5. The antibacterial performance test method of staphylococcus aureus comprises the following steps: culture medium: 0.4g of beef extract, 1g of malt extract, 0.5g of glucose, 1.8g of agar and 100mL of distilled water, and the pH value is 7.3. Transferring escherichia coli and staphylococcus aureus to corresponding culture media, cutting the fibrilia fabric prepared in the examples 1-5 and the comparative examples 1-2 into a 1cm round piece, putting the round piece into the culture media, keeping the round piece in an incubator for 24 hours, and controlling the temperature to be 37 ℃.
According to test data, the titanium dioxide and the methyl nonyl ketone lauric acid antibacterial substance are combined to play a better antibacterial role.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. A preparation method of antibacterial deodorant fibrilia primary backing cloth for artificial leather is characterized by comprising the following steps:
1) adding titanium sulfate into water, stirring and dissolving to prepare a titanium sulfate aqueous solution with the mass fraction of 2-5%, then immersing the fibrilia fabric into the titanium sulfate aqueous solution, heating to boil, refluxing for 1-3 h, cooling, taking out the fabric, and drying in a vacuum drying oven to obtain a fibrilia fabric 1;
2) adding trimellitic acid into thionyl chloride, heating, stirring and refluxing for 12-24 hours, then removing thionyl chloride under reduced pressure to obtain a residue, adding N, N-dimethylformamide with the amount of 60-80 times of the residue into the residue, stirring and dissolving, then soaking the fibrilia fabric 1 in the step 1) into the dissolved solution, then adding beta-cyclodextrin and sodium carbonate, wherein the molar ratio of the beta-cyclodextrin to the trimellitic acid is 1: 3-5, heating and reacting, then taking out the fibrilia fabric, and drying in an oven at 40-70 ℃ for 2-6 hours to obtain a fibrilia fabric 2;
3) adding methyl nonyl ketone lauric acid into deionized water, stirring and dissolving to prepare a methyl nonyl ketone lauric acid solution with the mass fraction of 3-6%, then immersing the fibrilia fabric 2 in the step 2) into the methyl nonyl ketone lauric acid solution, ultrasonically oscillating for 1-2 h at 40-50 ℃, taking out, washing with water, and drying to obtain the fibrilia base fabric with the antibacterial and deodorant effects.
2. The preparation method of the antibacterial deodorant fibrilia base cloth for the artificial leather according to claim 1, wherein the temperature of the vacuum drying oven in the step 1) is set to be 60-80 ℃, and the vacuum drying time is 2-4 h.
3. The preparation method of the antibacterial deodorant fibrilia base cloth for the artificial leather according to claim 1, wherein the mass ratio of the beta-cyclodextrin to the sodium carbonate in the step 2) is 1: 0.01-0.05.
4. The preparation method of the antibacterial deodorant fibrilia base cloth for the artificial leather according to claim 1, wherein the heating reaction temperature in the step 2) is 50-60 ℃, and the heating reaction time is 5-10 h.
5. The preparation method of the antibacterial deodorant fibrilia base cloth for the artificial leather according to claim 1, wherein the drying temperature in the step 3) is 40-70 ℃, and the drying time is 4-10 h.
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| CN104294583A (en) * | 2014-10-20 | 2015-01-21 | 南通大学 | Preparation method of composite functional fabric with antimicrobial, anti-ultraviolet, deodorization and self-cleaning functions |
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