CN111235866A - Washable, waterproof, breathable and moisture permeable protective fabric - Google Patents
Washable, waterproof, breathable and moisture permeable protective fabric Download PDFInfo
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- CN111235866A CN111235866A CN202010119315.3A CN202010119315A CN111235866A CN 111235866 A CN111235866 A CN 111235866A CN 202010119315 A CN202010119315 A CN 202010119315A CN 111235866 A CN111235866 A CN 111235866A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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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
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- D06M11/01—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 hydrogen, water or heavy water; with hydrides of metals or complexes thereof; with boranes, diboranes, silanes, disilanes, phosphines, diphosphines, stibines, distibines, arsines, or diarsines or complexes thereof
- D06M11/05—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 hydrogen, water or heavy water; with hydrides of metals or complexes thereof; with boranes, diboranes, silanes, disilanes, phosphines, diphosphines, stibines, distibines, arsines, or diarsines or complexes thereof with water, e.g. steam; with heavy water
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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
- D06M11/73—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
- D06M11/74—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 or graphite; with carbides; with graphitic acids or their salts
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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
- D06M13/08—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with halogenated hydrocarbons
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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
- D06M13/322—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 nitrogen
- D06M13/345—Nitriles
- D06M13/348—Nitriles unsaturated, e.g. acrylonitrile
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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
- D06M13/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with organometallic compounds; with organic compounds containing boron, silicon, selenium or tellurium atoms
- D06M13/51—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond
- D06M13/513—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond with at least one carbon-silicon bond
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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
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
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- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
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- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/10—Repellency against liquids
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- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/35—Abrasion, pilling or fibrillation resistance
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Abstract
The invention provides a washable, waterproof, breathable and moisture permeable protective fabric which is mainly prepared by the following steps of (1) extracting peels of currant fruits to obtain a currant peel extract, (2) adding carbon nanotubes into the currant peel extract, heating and ultrasonically stirring to obtain a mixed solution, carrying out suction filtration on the mixed solution to obtain a solid, adding the solid into dichloropentafluoropropane, carrying out ultrasonic oscillation to obtain a carbon nanotube solution, (3) adding tridecafluorooctyltriethoxysilane, α -n-butyl cyanoacrylate and the carbon nanotube solution into the dichloropentafluoropropane, stirring until the mixture is uniform to obtain a mixed solution, soaking a cotton fabric into the mixed solution, drying and taking out to obtain the mixed fabric, and fumigating water vapor on the surface of the mixed fabric to obtain the washable, waterproof, breathable and moisture permeable protective fabric.
Description
Technical Field
The invention relates to a fabric, in particular to a washable, waterproof, breathable and moisture permeable protective fabric.
Background
Automotive interior mainly refers to the automobile product that the inside repacking of car used, involves the square face of car inside, for example car steering wheel cover, car cushion, car callus on the sole, containing box, interior fabric etc. all are automotive interior product. This part of the components not only serves a decorative function, but also their involved functionality, safety and engineering properties are very rich. The existing interior fabric for the vehicle has single variety and function, and along with the improvement of living standard of people, the existing interior fabric for the vehicle can not meet the requirements of people. The existing automotive interior fabric generally has good washing resistance, but has poor waterproof, air-permeable and moisture-permeable performances.
Disclosure of Invention
The invention aims to provide the washable, waterproof, breathable and moisture permeable protective fabric which has better washable, waterproof, breathable and moisture permeable performances.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a washable, waterproof, breathable and moisture permeable protective fabric is prepared by the following steps:
(1) washing pericarp of a currant fruit with water for 2 minutes, drying to obtain dry pericarp of the currant, adding the dry pericarp of the currant and a citric acid solution into a food processor, stirring for 2 minutes to obtain a mixed solution, leaching the mixed solution in a water bath device at 80 ℃ for 2 hours at constant temperature to obtain an extracting solution, performing suction filtration on the extracting solution to obtain a filtrate, concentrating the suction filtration solution, precipitating with absolute ethyl alcohol, standing in a refrigerator for 3 hours to obtain a precipitate, washing the precipitate with absolute ethyl alcohol, and drying at 50 ℃ to obtain a currant pericarp extract;
(2) adding carbon nanotubes into the currant peel extract obtained in the step (1), heating to 90 ℃, ultrasonically stirring for 2 hours to obtain a carbon nanotube mixed solution, carrying out suction filtration on the carbon nanotube mixed solution to obtain a solid, adding the solid into dichloropentafluoropropane, and ultrasonically oscillating for 30 minutes to obtain a carbon nanotube solution;
(3) adding tridecafluorooctyltriethoxysilane, α -n-butyl cyanoacrylate and the carbon nano tube solution obtained in the step (2) into dichloropentafluoropropane, stirring until the mixture is uniformly mixed to obtain a mixed solution, soaking the cotton fabric into the mixed solution, drying the cotton fabric for 30 minutes at 90 ℃ to obtain a mixed fabric, and fumigating the surface of the mixed fabric by using water vapor at 100 ℃ to obtain the washable, waterproof, breathable and moisture permeable protective fabric.
Further, in the step (1), the mass concentration of the citric acid solution is 5%, the ratio of the currant dried pericarp to the citric acid solution is 1:12g/mL, and the volume of the concentrated suction filtration solution and the absolute ethyl alcohol is 1: 1.2.
Further, in the step (2), the mass ratio of the carbon nano tube to the currant peel extract is 1: 25.
Further, in the step (2) of the present invention, the mass ratio of the solid matter to dichloropentafluoropropane is 1: 10.
Further, in the step (3) of the present invention, the mass ratio of the tridecafluorooctyltriethoxysilane, the α -n-butyl cyanoacrylate, the carbon nanotube solution, and the dichloropentafluoropropane is 5:5:33: 50.
Further, in the step (3), the mass ratio of the mixed solution to the cotton fabric is 30: 1.
Further, in the step (3) of the present invention, the time of steam fumigation is 24 to 36 hours.
Compared with the prior art, the invention has the following beneficial effects:
1) according to the invention, the carbon nano tube is adhered to the surface of the cotton fabric by using the adhesiveness of α -n-butyl cyanoacrylate, the cross-linking reaction among the tridecafluorooctyltriethoxysilane, the carbon nano tube and the cotton fabric is initiated by fumigating with high-temperature water vapor after drying, the tridecafluorooctyltriethoxysilane, the carbon nano tube and the cotton fabric are combined, the carbon nano tube forms a multi-nano-pore structure on the surface of the cotton fabric after the reaction, only gases such as water vapor and the like are allowed to pass through, and water and other liquids cannot pass through, so that the protective fabric with washing resistance, water resistance, air.
2) The tridecafluorooctyltriethoxysilane has excellent hydrophobicity, so that the protective fabric prepared by the invention also has good self-cleaning property; the carbon nano tube has excellent wear resistance and toughness, so that the protective fabric prepared by the invention also has good wear resistance and toughness.
3) The dispersibility of the carbon nano tubes and the compatibility of the carbon nano tubes with the cotton fabric are not ideal, and the bonding strength can be reduced, so that the extract of the currant pericarp is prepared from the currant pericarp in an acidolysis alcohol precipitation mode, and is ultrasonically mixed with the carbon nano tubes, the dispersibility of the carbon nano tubes and the compatibility of the carbon nano tubes with the cotton fabric are effectively improved, the bonding strength between the carbon nano tubes and the cotton fabric is improved, and the washing resistance, the water resistance, the air permeability, the moisture permeability, the wear resistance and the toughness of the protective fabric are further improved.
Detailed Description
The present invention will be described in detail with reference to specific embodiments, which are illustrative of the invention and are not to be construed as limiting the invention.
Example 1
The washable, waterproof, breathable and moisture permeable protective fabric is prepared according to the following steps:
(1) washing pericarp of a currant fruit with water for 2 minutes, drying to obtain dry currant pericarp, adding the dry currant pericarp and a citric acid solution with the mass concentration of 5% in a proportion of 1:12g/mL into a food processor, stirring for 2 minutes to obtain a mixed solution, placing the mixed solution in a 80 ℃ water bath device, leaching at a constant temperature for 2 hours to obtain an extracting solution, performing suction filtration on the extracting solution to obtain a filtrate, concentrating the suction filtration solution, precipitating with 1.2 times of volume of absolute ethanol, placing in a refrigerator, standing for 3 hours to obtain a precipitate, washing the precipitate with absolute ethanol, and drying at 50 ℃ to obtain a currant pericarp extract;
(2) adding carbon nanotubes into the currant peel extract obtained in the step (1), wherein the mass ratio of the carbon nanotubes to the currant peel extract is 1:25, heating to 90 ℃, ultrasonically stirring for 2 hours to obtain a carbon nanotube mixed solution, carrying out suction filtration on the carbon nanotube mixed solution to obtain a solid, adding the solid into dichloropentafluoropropane, wherein the mass ratio of the solid to the dichloropentafluoropropane is 1:10, and ultrasonically oscillating for 30 minutes to obtain a carbon nanotube solution;
(3) adding tridecafluorooctyltriethoxysilane, α -n-butyl cyanoacrylate and the carbon nano tube solution obtained in the step (2) into dichloropentafluoropropane, wherein the mass ratio of the tridecafluorooctyltriethoxysilane to the α -n-butyl cyanoacrylate to the carbon nano tube solution to the dichloropentafluoropropane is 5:5:33:50, stirring until the mixture is uniformly mixed to obtain a mixed solution, soaking the cotton fabric into the mixed solution, wherein the mass ratio of the mixed solution to the cotton fabric is 30:1, drying for 30 minutes at 90 ℃ to obtain a mixed fabric, and steaming the surface of the mixed fabric by using water vapor at 100 ℃ for 30 hours to obtain the washable, waterproof, breathable and moisture permeable protective fabric.
Example 2
The washable, waterproof, breathable and moisture permeable protective fabric is prepared according to the following steps:
(1) washing pericarp of a currant fruit with water for 2 minutes, drying to obtain dry currant pericarp, adding the dry currant pericarp and a citric acid solution with the mass concentration of 5% in a proportion of 1:12g/mL into a food processor, stirring for 2 minutes to obtain a mixed solution, placing the mixed solution in a 80 ℃ water bath device, leaching at a constant temperature for 2 hours to obtain an extracting solution, performing suction filtration on the extracting solution to obtain a filtrate, concentrating the suction filtration solution, precipitating with 1.2 times of volume of absolute ethanol, placing in a refrigerator, standing for 3 hours to obtain a precipitate, washing the precipitate with absolute ethanol, and drying at 50 ℃ to obtain a currant pericarp extract;
(2) adding carbon nanotubes into the currant peel extract obtained in the step (1), wherein the mass ratio of the carbon nanotubes to the currant peel extract is 1:25, heating to 90 ℃, ultrasonically stirring for 2 hours to obtain a carbon nanotube mixed solution, carrying out suction filtration on the carbon nanotube mixed solution to obtain a solid, adding the solid into dichloropentafluoropropane, wherein the mass ratio of the solid to the dichloropentafluoropropane is 1:10, and ultrasonically oscillating for 30 minutes to obtain a carbon nanotube solution;
(3) adding tridecafluorooctyltriethoxysilane, α -n-butyl cyanoacrylate and the carbon nano tube solution obtained in the step (2) into dichloropentafluoropropane, wherein the mass ratio of the tridecafluorooctyltriethoxysilane to the α -n-butyl cyanoacrylate to the carbon nano tube solution to the dichloropentafluoropropane is 5:5:33:50, stirring until the mixture is uniformly mixed to obtain a mixed solution, soaking the cotton fabric into the mixed solution, wherein the mass ratio of the mixed solution to the cotton fabric is 30:1, drying for 30 minutes at 90 ℃ to obtain a mixed fabric, and steaming the surface of the mixed fabric by using water vapor at 100 ℃ for 36 hours to obtain the washable, waterproof, breathable and moisture permeable protective fabric.
Example 3
The washable, waterproof, breathable and moisture permeable protective fabric is prepared according to the following steps:
(1) washing pericarp of a currant fruit with water for 2 minutes, drying to obtain dry currant pericarp, adding the dry currant pericarp and a citric acid solution with the mass concentration of 5% in a proportion of 1:12g/mL into a food processor, stirring for 2 minutes to obtain a mixed solution, placing the mixed solution in a 80 ℃ water bath device, leaching at a constant temperature for 2 hours to obtain an extracting solution, performing suction filtration on the extracting solution to obtain a filtrate, concentrating the suction filtration solution, precipitating with 1.2 times of volume of absolute ethanol, placing in a refrigerator, standing for 3 hours to obtain a precipitate, washing the precipitate with absolute ethanol, and drying at 50 ℃ to obtain a currant pericarp extract;
(2) adding carbon nanotubes into the currant peel extract obtained in the step (1), wherein the mass ratio of the carbon nanotubes to the currant peel extract is 1:25, heating to 90 ℃, ultrasonically stirring for 2 hours to obtain a carbon nanotube mixed solution, carrying out suction filtration on the carbon nanotube mixed solution to obtain a solid, adding the solid into dichloropentafluoropropane, wherein the mass ratio of the solid to the dichloropentafluoropropane is 1:10, and ultrasonically oscillating for 30 minutes to obtain a carbon nanotube solution;
(3) adding tridecafluorooctyltriethoxysilane, α -n-butyl cyanoacrylate and the carbon nano tube solution obtained in the step (2) into dichloropentafluoropropane, wherein the mass ratio of the tridecafluorooctyltriethoxysilane to the α -n-butyl cyanoacrylate to the carbon nano tube solution to the dichloropentafluoropropane is 5:5:33:50, stirring until the mixture is uniformly mixed to obtain a mixed solution, soaking the cotton fabric into the mixed solution, wherein the mass ratio of the mixed solution to the cotton fabric is 30:1, drying for 30 minutes at 90 ℃ to obtain a mixed fabric, and steaming the surface of the mixed fabric by using water vapor at 100 ℃ for 24 hours to obtain the washable, waterproof, breathable and moisture permeable protective fabric.
Example 4
The washable, waterproof, breathable and moisture permeable protective fabric is prepared according to the following steps:
(1) washing pericarp of a currant fruit with water for 2 minutes, drying to obtain dry currant pericarp, adding the dry currant pericarp and a citric acid solution with the mass concentration of 5% in a proportion of 1:12g/mL into a food processor, stirring for 2 minutes to obtain a mixed solution, placing the mixed solution in a 80 ℃ water bath device, leaching at a constant temperature for 2 hours to obtain an extracting solution, performing suction filtration on the extracting solution to obtain a filtrate, concentrating the suction filtration solution, precipitating with 1.2 times of volume of absolute ethanol, placing in a refrigerator, standing for 3 hours to obtain a precipitate, washing the precipitate with absolute ethanol, and drying at 50 ℃ to obtain a currant pericarp extract;
(2) adding carbon nanotubes into the currant peel extract obtained in the step (1), wherein the mass ratio of the carbon nanotubes to the currant peel extract is 1:25, heating to 90 ℃, ultrasonically stirring for 2 hours to obtain a carbon nanotube mixed solution, carrying out suction filtration on the carbon nanotube mixed solution to obtain a solid, adding the solid into dichloropentafluoropropane, wherein the mass ratio of the solid to the dichloropentafluoropropane is 1:10, and ultrasonically oscillating for 30 minutes to obtain a carbon nanotube solution;
(3) adding tridecafluorooctyltriethoxysilane, α -n-butyl cyanoacrylate and the carbon nano tube solution obtained in the step (2) into dichloropentafluoropropane, wherein the mass ratio of the tridecafluorooctyltriethoxysilane to the α -n-butyl cyanoacrylate to the carbon nano tube solution to the dichloropentafluoropropane is 5:5:33:50, stirring until the mixture is uniformly mixed to obtain a mixed solution, soaking the cotton fabric into the mixed solution, wherein the mass ratio of the mixed solution to the cotton fabric is 30:1, drying for 30 minutes at 90 ℃ to obtain a mixed fabric, and steaming the surface of the mixed fabric by using water vapor at 100 ℃ for 33 hours to obtain the washable, waterproof, breathable and moisture permeable protective fabric.
Comparative example 1
Tridecafluorooctyltrimethoxysilane was not used in step (3) unlike example 1.
Comparative example 2
In contrast to example 1, α -n-butyl cyanoacrylate was not used in step (3).
Comparative example 3
The difference from example 1 is that carbon nanotubes are not used in step (3).
Comparative example 4
Different from the embodiment 1, the step (1) is omitted, and the step (2) of ultrasonic mixing of the currant peel extract and the carbon nano tubes is omitted, namely the carbon nano tubes are directly added into dichloropentafluoropropane for ultrasonic oscillation.
The first test example: test of Water resistance
The water-proof ratings of examples 1-4 and comparative examples 1-4 were determined with reference to GB/T4745-2012, respectively, with higher ratings indicating better water-proof performance. The results are shown in table 1:
| water resistance rating | |
| Example 1 | Grade 5 |
| Example 2 | Grade 5 |
| Example 3 | Grade 5 |
| Example 4 | Grade 5 |
| Comparative example 1 | 4 stage |
| Comparative example 2 | 4-5 stages |
| Comparative example 3 | 4 stage |
| Comparative example 4 | 4-5 stages |
TABLE 1
As can be seen from Table 1, the waterproof grades of the examples 1-4 reach 5 grades, which shows that the waterproof fabric has better waterproof performance, the waterproof grades of the comparative examples 1-4 are partially different from the waterproof grade of the example 1, the waterproof grades of the comparative examples 1 and 3 are reduced to 4 grades, which shows that the tridecafluorooctyltrimethoxysilane and the carbon nano tubes can effectively improve the waterproof performance of the protective fabric, and the waterproof grades of the comparative examples 2 and 4 are reduced to 4-5 grades, which shows that the α -cyanoacrylate positive definite ester and the currant peel extract can also have certain improvement effect on the waterproof performance of the protective fabric.
Test example two: test for air permeability
Reference GB/T5453-1997 air permeabilities of examples 1-4 and comparative examples 1-4 were measured using model YG461L air permeability tester, respectively, with higher air permeabilities indicating better air permeability, and the results are shown in Table 2:
| air permeability (mm/s) | |
| Example 1 | 615 |
| Example 2 | 612 |
| Example 3 | 613 |
| Example 4 | 611 |
| Comparative example 1 | 614 |
| Comparative example 2 | 602 |
| Comparative example 3 | 586 |
| Comparative example 4 | 600 |
TABLE 2
As can be seen from Table 2, the air permeability of the protective fabric is higher in examples 1 to 4, which shows that the protective fabric has better air permeability, part of the steps of comparative examples 1 to 4 are different from example 1, the air permeability of comparative example 3 is reduced to the maximum extent, which shows that carbon nanotubes are the main factor for improving the air permeability of the protective fabric, and the air permeability of comparative examples 2 and 4 is obviously reduced to the extent that the air permeability of the protective fabric is improved to a certain extent by α -cyanoacrylate positive definite ester and the extract of the peel of the currant.
Test example three: moisture permeability test
The moisture permeability of examples 1 to 4 and comparative examples 1 to 4 was measured with reference to GB/T12704-1991, respectively, and the larger the moisture permeability, the better the moisture permeability. The results are shown in Table 3:
| moisture permeability (g/(m)2·24h)) | |
| Example 1 | 265 |
| Example 2 | 260 |
| Example 3 | 265 |
| Example 4 | 260 |
| Comparative example 1 | 265 |
| Comparative example 2 | 250 |
| Comparative example 3 | 210 |
| Comparative example 4 | 250 |
TABLE 3
As can be seen from Table 3, the moisture permeability of the examples 1-4 is large, which indicates that the protective fabric has good moisture permeability, part of the steps of the comparative examples 1-4 are different from the example 1, the reduction of the moisture permeability of the comparative example 3 is largest, which indicates that the carbon nano tube is a main factor for improving the moisture permeability of the protective fabric, and the reduction of the moisture permeability of the comparative examples 2 and 4 is obviously smaller than that of the comparative example 3, which indicates that α -cyanoacrylate positive definite ester and currant peel extract can also play a certain role in improving the moisture permeability of the protective fabric.
Test example four: abrasion resistance test
The numbers of wear resistances of examples 1 to 4 and comparative examples 1 to 4 were determined with reference to GB/T13775 to 1992, respectively, and the larger the number of wear resistances indicates the better the wear resistance. The results are shown in Table 4:
| number of wear-resistance times | |
| Example 1 | 112 |
| Example 2 | 110 |
| Example 3 | 110 |
| Example 4 | 111 |
| Comparative example 1 | 112 |
| Comparative example 2 | 103 |
| Comparative example 3 | 91 |
| Comparative example 4 | 104 |
TABLE 4
As can be seen from Table 4, the wear-resistant times of the examples 1 to 4 are all larger, which shows that the invention has better wear-resistant performance, part of the steps of the comparative examples 1 to 4 are different from the example 1, the reduction of the wear-resistant times of the comparative example 3 is the largest, which shows that the carbon nanotubes are the main factor for improving the wear-resistant performance of the protective fabric, the reduction of the wear-resistant times of the comparative examples 2 and 4 is obviously smaller than that of the comparative example 3, which shows that α -cyanoacrylate-nordstock and currant peel extract can also play a certain role in improving the wear-resistant performance of the protective fabric.
Test example five: self-cleaning performance test
The contact angles of examples 1-4 and comparative examples 1-4 were determined with reference to GB/T23764-2009, respectively, a contact angle greater than 150 ° indicating self-cleaning performance, and a larger contact angle indicating better self-cleaning performance. The results are shown in Table 5:
TABLE 5
As can be seen from Table 5, the contact angles of examples 1-4 are all greater than 150 deg., indicating that the present invention has better self-cleaning properties. Part of the steps of comparative examples 1-4 are different from example 1 in that the contact angle of comparative example 1 is reduced to 123.6 deg., indicating that tridecyl triethoxy silane is a key factor in improving the self-cleaning performance of protective fabrics.
Test example six: toughness testing
The fracture strength of examples 1 to 4 and comparative examples 1 to 4 were measured with reference to ASTM D5034-1995, and a larger fracture strength indicates better toughness. The results are shown in Table 6:
| breaking strength (N) | |
| Example 1 | 410.8 |
| Example 2 | 410.7 |
| Example 3 | 410.6 |
| Example 4 | 410.6 |
| Comparative example 1 | 410.7 |
| Comparative example 2 | 402.4 |
| Comparative example 3 | 387.5 |
| Comparative example 4 | 401.9 |
TABLE 6
As can be seen from Table 6, the fracture strength of the protective fabric is larger in examples 1-4, which shows that the protective fabric has better toughness, the reduction of the fracture strength of comparative example 3 is the largest in comparison with the steps of example 1, which shows that the carbon nanotubes are the main factor for improving the toughness of the protective fabric, and the reduction of the fracture strength of comparative examples 2 and 4 is obviously smaller than that of comparative example 3, which shows that α -cyanoacrylate positive ester and the extract of the peel of the currant can also have certain improvement effect on the toughness of the protective fabric.
Test example seven: wash resistance test
With reference to GB/T12704-1991, the moisture permeability of examples 1 to 4 and comparative examples 1 to 4 and the moisture permeability after washing 10 times were measured, respectively, and the moisture permeability decrease rate, which is (moisture permeability before washing-moisture permeability after washing)/moisture permeability before washing × 100%, was calculated, and a lower moisture permeability decrease rate indicates better washing fastness. The results are shown in Table 7:
| moisture permeability decreasing rate (%) | |
| Example 1 | 3.77 |
| Example 2 | 3.79 |
| Example 3 | 3.79 |
| Example 4 | 3.78 |
| Comparative example 1 | 3.78 |
| Comparative example 2 | 4.14 |
| Comparative example 3 | 3.79 |
| Comparative example 4 | 4.20 |
TABLE 7
As can be seen from Table 7, the decrease rates of the moisture permeability of the examples 1-4 are all low, which indicates that the fabric has better washability, and the decrease rates of the moisture permeability of the comparative examples 2 and 4 are increased a little by comparing with the example 1 in part of the steps of the comparative examples 1-4, which indicates that α -nordstrand cyanoacrylate and the extract of the pericarp of gooseberry can effectively improve the toughness of the protective fabric.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (7)
1. The washable, waterproof, breathable and moisture permeable protective fabric is characterized in that: the washable, waterproof, breathable and moisture permeable protective fabric is prepared by the following steps:
(1) washing pericarp of a currant fruit with water for 2 minutes, drying to obtain dry pericarp of the currant, adding the dry pericarp of the currant and a citric acid solution into a food processor, stirring for 2 minutes to obtain a mixed solution, leaching the mixed solution in a water bath device at 80 ℃ for 2 hours at constant temperature to obtain an extracting solution, performing suction filtration on the extracting solution to obtain a filtrate, concentrating the suction filtration solution, precipitating with absolute ethyl alcohol, standing in a refrigerator for 3 hours to obtain a precipitate, washing the precipitate with absolute ethyl alcohol, and drying at 50 ℃ to obtain a currant pericarp extract;
(2) adding carbon nanotubes into the currant peel extract obtained in the step (1), heating to 90 ℃, ultrasonically stirring for 2 hours to obtain a carbon nanotube mixed solution, carrying out suction filtration on the carbon nanotube mixed solution to obtain a solid, adding the solid into dichloropentafluoropropane, and ultrasonically oscillating for 30 minutes to obtain a carbon nanotube solution;
(3) adding tridecafluorooctyltriethoxysilane, α -n-butyl cyanoacrylate and the carbon nano tube solution obtained in the step (2) into dichloropentafluoropropane, stirring until the mixture is uniformly mixed to obtain a mixed solution, soaking the cotton fabric into the mixed solution, drying the cotton fabric for 30 minutes at 90 ℃ to obtain a mixed fabric, and fumigating the surface of the mixed fabric by using water vapor at 100 ℃ to obtain the washable, waterproof, breathable and moisture permeable protective fabric.
2. The wash-resistant, waterproof, breathable and moisture-permeable protective fabric according to claim 1, characterized in that: in the step (1), the mass concentration of the citric acid solution is 5%, the ratio of the currant dried pericarp to the citric acid solution is 1:12g/mL, and the volume of the concentrated suction filtration solution and the absolute ethyl alcohol is 1: 1.2.
3. The wash-resistant, waterproof, breathable and moisture-permeable protective fabric according to claim 2, characterized in that: in the step (2), the mass ratio of the carbon nano tube to the currant peel extract is 1: 25.
4. The wash-resistant, waterproof, breathable and moisture-permeable protective fabric according to claim 3, characterized in that: in the step (2), the mass ratio of the solid to the dichloropentafluoropropane is 1: 10.
5. The washable, waterproof, breathable and moisture-permeable protective fabric according to claim 4, characterized in that in the step (3), the mass ratio of tridecafluorooctyltriethoxysilane, α -n-butyl cyanoacrylate, the carbon nanotube solution and dichloropentafluoropropane is 5:5:33: 50.
6. The wash-resistant, waterproof, breathable and moisture-permeable protective fabric according to claim 5, wherein: in the step (3), the mass ratio of the mixed solution to the cotton fabric is 30: 1.
7. The wash-resistant, waterproof, breathable and moisture-permeable protective fabric according to claim 6, wherein: in the step (3), the time of steam fumigation is 24-36 hours.
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| CN110004730A (en) * | 2019-04-19 | 2019-07-12 | 合肥巧织纺织科技有限公司 | A kind of Waterproof Breathable antibiotic finishing method of garment material fabric |
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| CN112248569A (en) * | 2020-09-03 | 2021-01-22 | 阿利斯教育装备科技(苏州)有限公司 | Waterproof and breathable fabric for sportswear |
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