CN115538151A - Anti-ultraviolet cotton fabric and preparation method thereof - Google Patents
Anti-ultraviolet cotton fabric and preparation method thereof Download PDFInfo
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- CN115538151A CN115538151A CN202211281317.8A CN202211281317A CN115538151A CN 115538151 A CN115538151 A CN 115538151A CN 202211281317 A CN202211281317 A CN 202211281317A CN 115538151 A CN115538151 A CN 115538151A
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- 239000004744 fabric Substances 0.000 title claims abstract description 91
- 229920000742 Cotton Polymers 0.000 title claims abstract description 76
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 title description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000001035 drying Methods 0.000 claims abstract description 28
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims abstract description 27
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000012153 distilled water Substances 0.000 claims abstract description 18
- 238000005406 washing Methods 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims abstract description 10
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 9
- KOUDKOMXLMXFKX-UHFFFAOYSA-N sodium oxido(oxo)phosphanium hydrate Chemical compound O.[Na+].[O-][PH+]=O KOUDKOMXLMXFKX-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000001816 cooling Methods 0.000 claims abstract description 7
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000005096 rolling process Methods 0.000 claims abstract description 7
- 238000007598 dipping method Methods 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 238000004140 cleaning Methods 0.000 claims abstract description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- 238000002791 soaking Methods 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000675 fabric finishing Substances 0.000 abstract description 2
- 238000009962 finishing (textile) Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 description 6
- 230000006750 UV protection Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000004753 textile Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000002329 infrared spectrum Methods 0.000 description 3
- 238000001000 micrograph Methods 0.000 description 3
- 230000004224 protection Effects 0.000 description 3
- XUMBMVFBXHLACL-UHFFFAOYSA-N Melanin Chemical compound O=C1C(=O)C(C2=CNC3=C(C(C(=O)C4=C32)=O)C)=C2C4=CNC2=C1C XUMBMVFBXHLACL-UHFFFAOYSA-N 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 238000001878 scanning electron micrograph Methods 0.000 description 2
- 210000003491 skin Anatomy 0.000 description 2
- 102000008186 Collagen Human genes 0.000 description 1
- 108010035532 Collagen Proteins 0.000 description 1
- 102000016942 Elastin Human genes 0.000 description 1
- 108010014258 Elastin Proteins 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910017299 Mo—O Inorganic materials 0.000 description 1
- 206010042496 Sunburn Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229920001436 collagen Polymers 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000004925 denaturation Methods 0.000 description 1
- 230000036425 denaturation Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 210000004207 dermis Anatomy 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 229920002549 elastin Polymers 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000007306 functionalization reaction Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000009759 skin aging Effects 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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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
- D06M11/68—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 phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof
- D06M11/70—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 phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof with oxides of phosphorus; with hypophosphorous, phosphorous or phosphoric acids or their salts
- D06M11/71—Salts of phosphoric acids
-
- 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
- D06M11/68—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 phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof
- D06M11/70—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 phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof with oxides of phosphorus; with hypophosphorous, phosphorous or phosphoric acids or their salts
-
- 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
-
- 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
-
- 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
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/25—Resistance to light or sun, i.e. protection of the textile itself as well as UV shielding materials or treatment compositions therefor; Anti-yellowing treatments
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention belongs to the technical field of cotton fabric finishing, and discloses an ultraviolet-resistant cotton fabric and a preparation method thereof. The preparation method comprises the following steps: s1, dissolving citric acid and sodium hypophosphite monohydrate into distilled water to obtain a clear solution; s2, adding the cotton fabric subjected to cleaning treatment into the clarified solution, performing two-dipping and two-rolling at room temperature, drying, and baking to obtain a modified cotton fabric; and S3, dissolving molybdate and concentrated phosphoric acid in distilled water to obtain a finishing liquid, immersing the modified cotton fabric into the finishing liquid, heating, stirring, cooling to room temperature, standing for 24 hours, taking out the cotton fabric, washing with water, and drying to obtain the anti-ultraviolet cotton fabric. The finishing method is simple, the used materials are few, the color of the original cloth is not influenced, and the obtained ultraviolet-resistant cotton fabric has an obvious ultraviolet-resistant effect.
Description
Technical Field
The invention belongs to the technical field of cotton fabric finishing, and relates to an anti-ultraviolet cotton fabric and a preparation method thereof.
Background
The cotton fiber has the characteristics of excellent air permeability, soft hand feeling, excellent hygroscopicity, biodegradability and the like, so that the cotton fiber is widely applied to textiles and becomes a fiber material with the largest consumption, however, the conventional cotton textiles have poor ultraviolet resistance and cannot effectively protect human skin. Ultraviolet light, a high-energy photon, is the most powerful and most cumulative factor in skin aging. Ultraviolet rays are divided into UVA, UVB and UVC according to their wavelengths, wherein UVA and UVB cause damage to the deep dermis and epidermis, respectively, and ultraviolet rays cause degradation and denaturation of collagen and elastin, which not only can cause sunburn of skin, produce stains and melanin, but also can induce canceration, and pose a serious threat to human health. Therefore, the research on the ultraviolet-resistant finishing of textiles is always active.
Polyoxometalates (POMs), abbreviated as polyacids, are high-nuclear complexes formed by connecting transition metal elements (molybdenum, tungsten, vanadium, niobium, tantalum, and the like) through oxygen atoms in a way of sharing edges, coplanarity and angles. In terms of structure, the polyacid compounds show diversity in shape, size and composition, and meanwhile, the polyacid compounds as an excellent receptor molecule can be combined with a plurality of organic molecules to form organic functionalized polyacid; in terms of properties, the polyacid compound has excellent oxidation-reduction property, acid-base property and adjustable electronic structure, and the application of the polyacid compound widely relates to a plurality of fields such as light, electricity, magnetism, medicinal chemistry, nano materials and the like. Therefore, the excellent photoelectric property of the polyacid compound is expected to become a proper ultraviolet-resistant modifier, and the application range of the polyacid compound is widened for finishing the ultraviolet-resistant function of the textile.
Disclosure of Invention
In view of the above, the invention provides an ultraviolet-resistant cotton fabric and a preparation method thereof, the preparation method is simple, the prepared ultraviolet-resistant cotton fabric has an excellent ultraviolet-resistant effect, and the color of the cotton fabric before and after finishing is not changed.
The technical scheme provided by the invention is as follows:
a preparation method of an ultraviolet-resistant cotton fabric comprises the following steps:
s1, dissolving citric acid and sodium hypophosphite monohydrate in distilled water to obtain a clear solution;
s2, adding the cotton fabric subjected to cleaning treatment into the clarified solution, performing two-dipping and two-rolling at room temperature, drying, and baking to obtain a modified cotton fabric;
and S3, dissolving molybdate and concentrated phosphoric acid in distilled water to obtain a finishing liquid, immersing the modified cotton fabric into the finishing liquid, heating, stirring, cooling to room temperature, standing for 24 hours, taking out the cotton fabric, washing with water, and drying to obtain the anti-ultraviolet cotton fabric.
Further, in step S1, the amount ratio of citric acid, sodium hypophosphite monohydrate, and distilled water is 5g:2.5g:42.5mL.
Further, the cleaning treatment comprises the following steps: soaking the cotton fabric in ethanol solution to remove surface attachments, washing with water, and drying.
Further, in step S2, the drying temperature is 80 ℃, the drying time is 3min, the baking temperature is 180 ℃, and the baking time is 90-120S.
Further, in step S3, the molybdate is (NH) 4 ) 6 Mo 7 O 24 ·4H 2 O。
Further, in the step S3, the dosage ratio of the molybdate, the concentrated phosphoric acid and the distilled water is 1-2 g: 0.05-0.1 g:30mL.
Further, in step S3, the heating temperature is 70 ℃, and the stirring time is 1-6 h.
Further, in step S3, the heating temperature is 70 ℃, and the stirring time is 2-6 h.
The invention also provides the ultraviolet-resistant cotton fabric prepared by the preparation method.
Compared with the prior art, the method utilizes the organic functionalization and excellent ultraviolet absorption capacity of the phosphomolybdate to carry out in-situ finishing on the cotton fabric, has simple finishing method, less used materials and obvious ultraviolet resistance effect, and meets the requirements of energy conservation and environmental protection.
Drawings
FIG. 1 shows (NH) in example 3 of the present invention 4 ) 6 Mo 7 O 24 ·4H 2 O solid, cotton fabric raw cloth and an infrared spectrogram of the ultraviolet-resistant cotton fabric finally obtained through reaction; wherein, a) is (NH) 4 ) 6 Mo 7 O 24 ·4H 2 An infrared spectrum of O solid; b) An infrared spectrogram of the original cloth; c) An infrared spectrogram of the reacted cloth sample;
FIG. 2 is a scanning electron microscope image of the anti-UV cotton fabric obtained in example 3 of the present invention, wherein, a) the scanning electron microscope image of the original fabric; b, c) scanning electron micrographs of the reacted cloth;
FIG. 3 is a photo of a cotton fabric functionalized by a raw fabric (a), a modified fabric (b) and a polyacid (c) in example 3 of the present invention;
FIG. 4 is a mapping diagram of Mo (a), P (b) and O (c) elements of the UV-resistant fabric obtained in example 3 of the present invention.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications can be made by those skilled in the art after reading the teachings of the present invention, and equivalents may also fall within the scope of the claims of the present application.
Example 1
Step 1, soaking a certain amount of cotton fabric into an ethanol solution, removing surface attachments, washing with water, and drying for later use.
Step 2, 5g of citric acid and 2.5g of sodium hypophosphite monohydrate are dissolved in 42.5mL of distilled water to obtain a clear solution.
And 3, adding the cotton fabric into the solution, performing secondary soaking and secondary rolling at room temperature, drying in an oven at the drying temperature of 80 ℃ for 3min at the drying temperature of 180 ℃ for 100s, and taking out for later use to obtain the modified cotton fabric.
Step 4, 1.06g (NH) 4 ) 6 Mo 7 O 24 ·4H 2 Dissolving O and 0.08g of concentrated phosphoric acid in 30mL of distilled water, immersing the modified cotton fabric into the solution, heating to 70 ℃, stirring for 1h, cooling to room temperature, standing for 24h, taking out the cotton fabric, washing with water, and airing to obtain the anti-ultraviolet cotton fabric.
Example 2
Step 1, soaking a certain amount of cotton fabric into an ethanol solution, removing surface attachments, washing with water, and drying for later use.
And 2, dissolving 5g of citric acid and 2.5g of sodium hypophosphite monohydrate in 42.5mL of distilled water to obtain a mixed clear solution.
And 3, adding the cotton fabric into the solution, carrying out two-dipping and two-rolling at room temperature, then drying in an oven at the temperature of 80 ℃ for 3min at the drying temperature of 180 ℃ for 100s, and taking out for later use to obtain the modified cotton fabric.
Step 4, adding 1.06g (NH) 4 ) 6 Mo 7 O 24 ·4H 2 Dissolving O and 0.08g of concentrated phosphoric acid in 30mL of distilled water, immersing the modified cotton fabric into the solution, heating at 70 ℃, stirring for 2 hours, cooling to room temperature, standing for 24 hours, taking out the cotton fabric, washing with water, and drying in the air.
Example 3
Step 1, soaking a certain amount of cotton fabric into an ethanol solution, removing surface attachments, washing with water, and drying for later use. The infrared spectrogram of the cotton fabric (original fabric) is shown in figure 1 b), and the scanning electron micrograph is shown in figure 2 a).
Step 2, 5g of citric acid and 2.5g of sodium hypophosphite monohydrate were dissolved in 42.5mL of distilled water to obtain a clear solution.
And 3, adding the cotton fabric into the solution, carrying out two-dipping and two-rolling at room temperature, taking out the cotton fabric for later use, and obtaining the modified cotton fabric, wherein the drying temperature is 80 ℃, the time is 3min, the drying temperature is 180 ℃, and the time is 100 s.
Step 4, adding 1.06g (NH) 4 ) 6 Mo 7 O 24 ·4H 2 Dissolving O and 0.08g of concentrated phosphoric acid in 30mL of distilled water, immersing the modified cotton fabric into the solution, heating at 70 ℃, stirring for 4h, cooling to room temperature, standing for 24h, taking out the cotton fabric (the cotton fabric after the reaction is the anti-ultraviolet cotton fabric), washing with water, and drying. (NH) 4 ) 6 Mo 7 O 24 ·4H 2 The infrared spectrogram of the O solid is shown in figure 1 a), the infrared spectrogram of the ultraviolet-resistant cotton fabric obtained by the reaction is shown in figure 1 c), and the scanning electron microscope images are shown in figure 2 b) and figure 2 c).
As can be seen from FIG. 1, the infrared spectrum of the ultraviolet resistant cotton fabric is 913cm -1 ，716cm -1 ，606cm -1 ，566cm -1 Peaks at (D) were assigned to the stretching vibration peak of Mo-O bond in polyacid by comparison (NH) 4 ) 6 Mo 7 O 24 ·4H 2 And infrared spectrums of the O solid and the original cloth show that the polyacid is successfully loaded on the cotton fabric.
As can be seen from figure 2, the cotton fabric was reacted with a particle deposition indicating loading of the polyacid on the cotton fabric.
FIG. 3 is a photograph of the raw cloth used in example 3, the modified cotton fabric obtained in step 3 and the final UV resistant cotton fabric obtained in step 4; as can be seen from figure 3, the fabric color does not change significantly before and after the polyacid loading, which lays a foundation for further dyeing and other processes.
FIG. 4 is a mapping diagram of Mo, P and O elements in the UV resistant cotton fabric obtained in example 3, and it can be seen from the diagram that the three elements are uniformly distributed on the cotton fabric.
Example 4
Step 1, soaking a certain amount of cotton fabric into an ethanol solution, removing surface attachments, washing with water, and drying for later use.
Step 2, 5g of citric acid and 2.5g of sodium hypophosphite monohydrate were dissolved in 42.5mL of distilled water to obtain a clear solution.
And 3, adding the cotton fabric into the solution, carrying out two-dipping and two-rolling at room temperature, taking out the cotton fabric for later use, and obtaining the modified cotton fabric, wherein the drying temperature is 80 ℃, the time is 3min, the drying temperature is 180 ℃, and the time is 100 s.
Step 4, adding 1.06g (NH) 4 ) 6 Mo 7 O 24 ·4H 2 Dissolving O and 0.08g of concentrated phosphoric acid in 30mL of distilled water, immersing the modified cotton fabric into the solution, heating at 70 ℃, stirring for 6h, cooling to room temperature, standing for 24h, taking out the cotton fabric, washing with water, and drying in the air.
Test example 1
As shown in the table, the UV resistance of the fabric under different conditions was tested, and the results are shown in Table 1.
TABLE 1 protection factor data (UPF) of samples under different conditions
From the results, it was found that the values of the UV protection factor of the original cloth, the modified cloth sample, and the UV resistant cotton fabric (reaction cloth sample) of examples 1 to 4 were increased in order. When the phosphomolybdate is finished on the fabric, the protection coefficient value of the fabric is remarkably improved, and most of the phosphomolybdate is 100+. When the reaction time is 4 hours, the ultraviolet resistance effect is best. Therefore, the uvioresistant performance of the fabric can be obviously improved by phosphomolybdate finishing, and the color of the cotton fabric is not obviously changed as can be seen from the shot picture.
Claims (8)
1. A preparation method of an anti-ultraviolet cotton fabric is characterized by comprising the following steps:
s1, dissolving citric acid and sodium hypophosphite monohydrate into distilled water to obtain a clear solution;
s2, adding the cotton fabric subjected to cleaning treatment into the clarified solution, performing two-dipping and two-rolling at room temperature, drying, and baking to obtain a modified cotton fabric;
s3, dissolving molybdate and concentrated phosphoric acid in distilled water to obtain finishing liquid, immersing the modified cotton fabric into the finishing liquid, heating, stirring, cooling to room temperature, standing for 24 hours, taking out the cotton fabric, washing with water, and drying in the air to obtain the anti-ultraviolet cotton fabric.
2. The method according to claim 1, wherein in step S1, the citric acid, the sodium hypophosphite monohydrate, and the distilled water are used in a ratio of 5g:2.5g:42.5mL.
3. The method for preparing a composite material according to claim 1, wherein the cleaning treatment is: soaking the cotton fabric in ethanol solution to remove surface attachments, washing with water, and drying.
4. The method according to claim 1, wherein in step S2, the drying temperature is 80 ℃ and the drying time is 3min, the baking temperature is 180 ℃ and the baking time is 90 to 120S.
5. The method according to claim 1, wherein the molybdate in step S3 is (NH) 4 ) 6 Mo 7 O 24 ·4H 2 O。
6. The method according to claim 5, wherein in step S3, the molybdate, the concentrated phosphoric acid and the distilled water are used in a ratio of 1 to 2g: 0.05-0.1 g:30mL.
7. The method according to claim 6, wherein the heating temperature in step S3 is 70 ℃ and the stirring time is 1 to 6 hours.
8. The ultraviolet-resistant cotton fabric prepared by the preparation method according to any one of claims 1 to 7.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116463855A (en) * | 2023-06-02 | 2023-07-21 | 南通大学 | Photoluminescent fabric and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116463855A (en) * | 2023-06-02 | 2023-07-21 | 南通大学 | Photoluminescent fabric and preparation method thereof |
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| CN115538151B (en) | 2023-12-01 |
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