CN114561812A - Color-changing photonic crystal textile capable of slowly releasing antibacterial and mosquito-proof substances in presence of water and preparation method thereof - Google Patents
Color-changing photonic crystal textile capable of slowly releasing antibacterial and mosquito-proof substances in presence of water and preparation method thereof Download PDFInfo
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- CN114561812A CN114561812A CN202210184136.7A CN202210184136A CN114561812A CN 114561812 A CN114561812 A CN 114561812A CN 202210184136 A CN202210184136 A CN 202210184136A CN 114561812 A CN114561812 A CN 114561812A
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- 239000004753 textile Substances 0.000 title claims abstract description 84
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 74
- 239000004038 photonic crystal Substances 0.000 title claims abstract description 69
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 230000003578 releasing effect Effects 0.000 title claims abstract description 32
- 239000000126 substance Substances 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000004005 microsphere Substances 0.000 claims abstract description 83
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 82
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 82
- 239000000341 volatile oil Substances 0.000 claims abstract description 47
- 239000000758 substrate Substances 0.000 claims abstract description 8
- 239000011148 porous material Substances 0.000 claims abstract description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 15
- 239000002245 particle Substances 0.000 claims description 15
- 239000011248 coating agent Substances 0.000 claims description 13
- 238000000576 coating method Methods 0.000 claims description 13
- 238000005516 engineering process Methods 0.000 claims description 10
- 239000004744 fabric Substances 0.000 claims description 9
- 239000004745 nonwoven fabric Substances 0.000 claims description 8
- 238000007639 printing Methods 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 8
- 230000003115 biocidal effect Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 229920001467 poly(styrenesulfonates) Polymers 0.000 claims description 6
- 244000223760 Cinnamomum zeylanicum Species 0.000 claims description 5
- 235000017803 cinnamon Nutrition 0.000 claims description 5
- ZMKVBUOZONDYBW-UHFFFAOYSA-N 1,6-dioxecane-2,5-dione Chemical compound O=C1CCC(=O)OCCCCO1 ZMKVBUOZONDYBW-UHFFFAOYSA-N 0.000 claims description 4
- 235000009024 Ceanothus sanguineus Nutrition 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 4
- 240000003553 Leptospermum scoparium Species 0.000 claims description 4
- 235000015459 Lycium barbarum Nutrition 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 229910021426 porous silicon Inorganic materials 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 235000012239 silicon dioxide Nutrition 0.000 claims description 4
- 244000166124 Eucalyptus globulus Species 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 229920004933 Terylene® Polymers 0.000 claims description 2
- 229920000728 polyester Polymers 0.000 claims description 2
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 2
- -1 polypropylene Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 238000001338 self-assembly Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 29
- 239000000243 solution Substances 0.000 description 49
- 238000012360 testing method Methods 0.000 description 25
- 230000001442 anti-mosquito Effects 0.000 description 16
- 238000001035 drying Methods 0.000 description 12
- 241000894006 Bacteria Species 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 7
- 238000001723 curing Methods 0.000 description 7
- 230000001580 bacterial effect Effects 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 238000004659 sterilization and disinfection Methods 0.000 description 5
- 239000000725 suspension Substances 0.000 description 5
- 238000010790 dilution Methods 0.000 description 4
- 239000012895 dilution Substances 0.000 description 4
- 239000001963 growth medium Substances 0.000 description 4
- 230000001954 sterilising effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000002077 nanosphere Substances 0.000 description 3
- 239000013642 negative control Substances 0.000 description 3
- 230000003472 neutralizing effect Effects 0.000 description 3
- 239000013641 positive control Substances 0.000 description 3
- 238000013207 serial dilution Methods 0.000 description 3
- 241000222122 Candida albicans Species 0.000 description 2
- 241000255925 Diptera Species 0.000 description 2
- 241000588724 Escherichia coli Species 0.000 description 2
- 241000191967 Staphylococcus aureus Species 0.000 description 2
- 239000003242 anti bacterial agent Substances 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 229940095731 candida albicans Drugs 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000012258 culturing Methods 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 239000000077 insect repellent Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 208000001490 Dengue Diseases 0.000 description 1
- 206010012310 Dengue fever Diseases 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 206010035664 Pneumonia Diseases 0.000 description 1
- 239000006159 Sabouraud's agar Substances 0.000 description 1
- 206010039897 Sedation Diseases 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 230000000507 anthelmentic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 208000025729 dengue disease Diseases 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- LOKCTEFSRHRXRJ-UHFFFAOYSA-I dipotassium trisodium dihydrogen phosphate hydrogen phosphate dichloride Chemical compound P(=O)(O)(O)[O-].[K+].P(=O)(O)([O-])[O-].[Na+].[Na+].[Cl-].[K+].[Cl-].[Na+] LOKCTEFSRHRXRJ-UHFFFAOYSA-I 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003094 microcapsule Substances 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 239000006916 nutrient agar Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- RLLPVAHGXHCWKJ-UHFFFAOYSA-N permethrin Chemical compound CC1(C)C(C=C(Cl)Cl)C1C(=O)OCC1=CC=CC(OC=2C=CC=CC=2)=C1 RLLPVAHGXHCWKJ-UHFFFAOYSA-N 0.000 description 1
- 229960000490 permethrin Drugs 0.000 description 1
- 239000002953 phosphate buffered saline Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000012449 sabouraud dextrose agar Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000036280 sedation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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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
- D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
- D06M23/12—Processes in which the treating agent is incorporated in microcapsules
-
- 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
- D06M11/77—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 silicon or compounds thereof
- D06M11/79—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 silicon or compounds thereof with silicon dioxide, silicic 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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/227—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of hydrocarbons, or reaction products thereof, e.g. afterhalogenated or sulfochlorinated
- D06M15/233—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of hydrocarbons, or reaction products thereof, e.g. afterhalogenated or sulfochlorinated aromatic, e.g. styrene
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/53—Polyethers
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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
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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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
- D06M2101/10—Animal fibres
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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
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/20—Polyalkenes, polymers or copolymers of compounds with alkenyl groups bonded to aromatic groups
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- 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
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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Abstract
The invention discloses a color-changing photonic crystal textile capable of slowly releasing antibacterial and mosquito-proof substances when meeting water and a preparation method thereof, aiming at obtaining a color-generating functional textile with a photonic crystal structure and a slow-release antibacterial and mosquito-proof effect. A color-changing photonic crystal textile capable of slowly releasing antibacterial and mosquito-proof substances when meeting water selects a porous nano microsphere for constructing a photonic crystal (PBG), essential oil is injected into the pores of the porous nano microsphere, a polyethylene glycol (PEG) shell layer coats the porous nano microsphere, and the coated porous nano microsphere is self-assembled on a textile substrate to form a photonic crystal color-generating structure layer.
Description
Technical Field
The invention belongs to the technical field of photonic crystal preparation, and particularly relates to a preparation method of a functional textile.
Background
The photonic crystal (PBG) is a periodic, regular and ordered artificial crystal with a refractive index difference, and is mainly characterized by having a photonic forbidden band, so that electromagnetic waves with specific frequencies can be forbidden to propagate in the forbidden band to generate bright and colorful structural colors. In recent years, structured photonic crystals have attracted considerable attention in the coloration of textiles. As a novel textile coloring mode, the color of the photonic crystal textile has visual characteristics which are not possessed by the conventional pigment textile, such as high saturation, high brightness, iridescence and the like.
With the development of science and technology, the living standard is continuously improved, and besides the specific pursuit for the color of the textile, people also increasingly demand functional textiles with the functions of antibiosis, mosquito prevention, ultraviolet resistance, heat preservation and the like. In recent years, new coronary pneumonia and dengue fever epidemic cases are abused worldwide, and people have great demand for antibacterial and mosquito-proof materials.
At present, some antibacterial aids (such as nano silver, titanium oxide and the like) and mosquito-proof aids (such as deet, permethrin and the like) can be loaded on textile substrates through an after-finishing technology, so that antibacterial and mosquito-proof textiles can be obtained simply, conveniently and quickly. However, many of the existing chemical antibacterial agents and mosquito-proof agents have certain toxicity to human bodies, and the application of the chemical antibacterial agents and mosquito-proof agents on textiles is gradually limited. The natural essential oil extracted from plants has multiple functions of antibiosis, anti-inflammation, deodorization, sedation, anthelmintic and the like, and is an important substance for replacing chemical antibacterial and mosquito-proof auxiliary agents. If the essential oil can be used as an antibacterial and mosquito-proof auxiliary agent to be applied to a textile substrate, the quality of the antibacterial and mosquito-proof textile is expected to be improved. However, essential oils are very volatile and will volatilize quickly upon contact with air, and slowing down the volatilization of essential oils is a bottleneck problem in achieving their application on functional textiles.
Disclosure of Invention
The invention aims to provide a color-changing photonic crystal textile capable of slowly releasing antibacterial and mosquito-proof substances when meeting water and a preparation method thereof, so as to obtain a photonic crystal structure color-generating functional textile with slow-release antibacterial and mosquito-proof effects.
In order to solve the technical problem, the invention aims to realize that:
a color-changing photonic crystal textile capable of slowly releasing antibacterial and mosquito-proof substances when meeting water selects a porous nano microsphere for constructing a photonic crystal (PBG), essential oil is injected into the pores of the porous nano microsphere, a polyethylene glycol (PEG) shell layer coats the porous nano microsphere, and the coated porous nano microsphere is self-assembled on a textile substrate to form a photonic crystal color-generating structure layer.
On the basis of the above scheme and as a preferable scheme of the scheme: the porous nano-microsphere is one of a porous sulfonated polystyrene nano-microsphere and a porous silicon dioxide microsphere.
On the basis of the above scheme and as a preferable scheme of the scheme: the molecular weight of polyethylene glycol (PEG) is 2000, 4000, 8000.
On the basis of the above scheme and as a preferable scheme of the scheme: the essential oil is one of eucalyptus essential oil, tea tree essential oil, and cinnamon essential oil.
The preparation method of the color-changing photonic crystal textile which can slowly release the antibacterial and mosquito-proof substances when meeting water is characterized by comprising the following steps of: the method comprises the following steps:
(1) preparing the essential oil-containing porous nano microspheres: dissolving a certain amount of essential oil in 50mL of ethanol to form a solution, and adding porous nano microspheres into the solution to perform ultrasonic dispersion at 50 ℃ for 20 min;
(2) preparing polyethylene glycol (PEG) coated porous nano microspheres: putting a poly (butylene succinate) (PBS) solution containing a certain amount of polyethylene glycol (PEG) into a three-neck flask, stirring at a constant temperature, slowly titrating the solution obtained in the step (1) and injecting the solution into the poly (butylene succinate) (PBS) solution containing polyethylene glycol (PEG), and reacting for 30min to obtain the polyethylene glycol (PEG) -coated porous nano-microspheres;
(3) preparing the color-changing photonic crystal structure textile: preparing the monodisperse polyethylene glycol (PEG) -coated porous nano microsphere solution prepared in the step (2) on a textile substrate by a digital jet printing technology, and curing to obtain the color-changing photonic crystal textile capable of slowly releasing the antibacterial and mosquito-proof substances when meeting water.
On the basis of the above scheme and as a preferable scheme of the scheme: the particle size of the essential oil-containing microspheres coated with polyethylene glycol (PEG) in the step (2) is 200-400 nm.
On the basis of the above scheme and as a preferable scheme of the scheme: in the step (2), the coating thickness of the polyethylene glycol (PEG) coated porous nano-microspheres is 50-150 nm.
On the basis of the above scheme and as a preferable scheme of the scheme: the dosage of the polyethylene glycol (PEG) in the step (2) is 5-20% of the mass of the porous microspheres.
On the basis of the above scheme and as a preferable scheme of the scheme: in the step (1), the use amount of the essential oil is 1-5% of the mass of the porous nano microspheres.
On the basis of the above scheme and as a preferable scheme of the scheme: in the step (3), the textile base material is any one of polypropylene non-woven fabrics, terylene, cotton, polyester cotton and real silk fabrics.
Compared with the prior art, the invention has the outstanding and beneficial technical effects that:
(1) this application is through adopting the antibiotic mosquito-proof type photonic crystal structure elementary preparation functional structure chromogenic textile of load essential oil, and the textile of preparing not only has structural color but also has antibiotic mosquito-proof efficiency.
(2) According to the application, the essential oil is loaded on the porous photonic crystal nano-microspheres, and then the essential oil is encapsulated in the porous nano-microspheres through the PEG coated porous nano-microspheres to play a slow release role.
(3) This application is through porous photonic crystal nanometer microballon of PEG encapsulation essential oil cladding, thereby the functional textile who prepares can the coating can cut down gradually after meeting water and play quick slowly-releasing effect, and the subduction of coating can arouse photonic crystal structure look colour to change, according to Bragg diffraction law, knows the degree that the coating was cut down through the signal of the change of colour to judge the speed of slowly-releasing.
Drawings
FIG. 1 is a schematic diagram of the preparation process of the present invention.
FIG. 2 is a three-dimensional video micrograph of the PEG-coated essential oil type photonic crystal structure of the present invention during the color change process when it encounters water.
FIG. 3 is a schematic diagram of the change of reflectance of the PEG-coated essential oil type photonic crystal structure after the color of the crystal meets water.
FIG. 4 is a schematic diagram of CIE after the structural color of the PEG-coated essential oil type photonic crystal of the present invention is exposed to water.
Reference numerals: porous nano-microspheres 01 and a textile substrate 02;
Detailed Description
The invention is further described in the following with specific embodiments in conjunction with the accompanying drawings;
the present invention will be described in more detail with reference to examples. It is to be understood that the practice of the invention is not limited to the following examples, and that any variations and/or modifications may be made thereto without departing from the scope of the invention.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
In the following examples, reagents, materials and equipment used were either commercially available or prepared by conventional methods or commonly used in the industry, unless otherwise specified. All percentages are in mass units unless otherwise specified.
The invention adopts a WS/T650-2019 antibacterial effect evaluation method to evaluate the antibacterial effect, and the specific steps are as follows:
adopting an immersion sterilization test to evaluate the anti-bacterial and anti-mosquito photonic crystal textile which is quickly and slowly released when meeting water:
(1) reagent, culture medium and apparatus
Diluting liquid: 0.03mol/L Phosphate Buffered Saline (PBS) (pH7.2-7.4), culture medium: the culture of Staphylococcus aureus and Escherichia coli uses nutrient agar culture medium, culture of Candida albicans uses Sabouraud agar culture medium, neutralizer (prepared from PBS and tested for identifying the neutralizer of soluble antibacterial components in the sample), Staphylococcus aureus (ATCC 6538), Escherichia coli (8099), and Candida albicans (ATCC 10231). A constant temperature water bath tank, a timer, a II-level biological safety cabinet and the like;
(2) test procedure
Respectively adding 1mL of bacterial suspension into 2 parts of prepared conical flask sample and 1 part of control fabric to ensure uniform distribution, and sealing the bottle mouth to prevent evaporation and bacterial death. Respectively adding 100mL of neutralizing agent into a conical flask containing the sample inoculated with the bacterial suspension and the control fabric, placing the conical flask on a vortex oscillator to oscillate for 1min to wash bacteria, taking 1.0mL to carry out 10-fold serial dilution, selecting proper dilution to inoculate a plate by a pouring method, and taking the dilution as the number of bacteria on the sample and the control fabric with the contact time of 0. Culturing another conical flask filled with the inoculated bacteria suspension sample at 36 +/-1 ℃ for 20 +/-2 h, adding 100mL of neutralizing agent, placing on a vortex oscillator to shake for 1min to wash bacteria, taking 1.0mL of bacteria for 10-fold serial dilution, selecting proper dilution and inoculating a plate by a pouring method to serve as a test group.
Negative control group: the samples were not inoculated with the bacterial suspension, 100mL of neutralizing agent was added at "0" contact time, and the samples were taken on a vortex shaker with 1min shaking and inoculated into a dish.
Positive control group: and inoculating 1mL of bacterial suspension into 1 conical flask filled with the control fabric, culturing at 36 +/-1 ℃ for 20 +/-2 h, adding 100mL of PBS, placing on a vortex oscillator, oscillating for 1.0min, washing bacteria, performing 10-fold serial dilution on 1.0mL, and inoculating a plate by a pouring method according to a proper dilution degree.
The negative and positive control samples and the test group samples are put together and cultured for 48h at 36 +/-1 ℃, and the colony number is counted. The experiment was repeated 3 times.
(3) Calculation of Sterilization Rate
In the formula:
x-sterilization rate,%;
a is the number of bacteria on the test specimen of the test group, CFU/mL;
b-number of bacteria on the sample at contact time "0", CFU/mL;
c- "0" contact time versus number of bacteria on the fabric, CFU/mL;
if the difference between the 'B' and the 'C' is larger, taking a larger value; if "B" and "C" are not very different, an average is taken.
(4) Determination of results
The average colony count for the "0" contact time control fabric should be between 1.0X 103CFU/mL and 5.0X 103 CFU/mL.
The negative control should grow aseptically, and the number of positive control bacteria is obviously increased compared with the number of bacteria in the contact time of 0.
The sterilization rate of each test is more than or equal to 90 percent, and the sample can be determined to have the antibacterial effect; the sterilization rate is more than or equal to 99 percent, and the antibacterial effect is stronger.
Example 1
The embodiment provides a preparation method of a color-changing photonic crystal textile capable of slowly releasing antibacterial and mosquito-proof substances when meeting water, which comprises the following specific steps:
(1) preparing the essential oil-containing porous nano microspheres: dissolving a certain amount of cinnamon essential oil in 50ml of ethanol to form a solution, and adding 250nm porous sulfonated polystyrene nano microspheres into the solution to perform ultrasonic dispersion for 20min at 50 ℃.
(2) Preparing the PEG-coated porous nano-microspheres: and (2) putting the PBS solution containing 5% PEG into a three-neck flask, stirring at constant temperature, slowly titrating the solution obtained in the step (1) and injecting the solution into the PBS solution containing 5% PEG, and reacting for 30min to obtain the PEG-coated porous nano-microspheres with the particle size of 300 nm.
(3) Preparing the color-changing photonic crystal structure textile: preparing the monodisperse PEG-coated porous nano microsphere solution prepared in the step (2) on a textile by a digital jet printing technology, and drying and curing the textile in a 60 ℃ drying oven to obtain the color-changing photonic crystal textile capable of slowly releasing the antibacterial and mosquito-proof substances when meeting water.
Through tests, the antibacterial, anti-mosquito and color-changing photonic crystal textile which can quickly and slowly release antibacterial and anti-mosquito can achieve the antibacterial and anti-mosquito effects of 94% when meeting water, and after the test of meeting water, the particle size of the microspheres is reduced by 25nm, and the antibacterial effect is 99%.
The nonwoven fabric obtained in example 1 exhibited a red structural color effect, had a pronounced iridescent effect (the observed color changed with the angle of observation), and changed from red to yellow in the water-contact test.
In this embodiment, the use of PEG coating has removed the control to the slowly-releasing effect in the preparation process from, has realized the free control of antibiotic mosquito-proof slowly-releasing effect to the photonic crystal structural color that discolours can be as indicator, can judge slowly-releasing effect according to its color change, and the discolour effect also provides a special use efficiency for the functional textile.
Example 2
The embodiment provides a preparation method of a color-changing photonic crystal textile capable of slowly releasing antibacterial and mosquito-proof substances when meeting water, which comprises the following specific steps:
(1) preparing the essential oil-containing porous nano microspheres: dissolving a certain amount of cinnamon essential oil in 50ml of ethanol to form a solution, and then adding 200nm porous sulfonated polystyrene nano microspheres into the solution to perform ultrasonic dispersion for 20min at 50 ℃.
(2) Preparing the PEG-coated porous nano-microspheres: and (2) putting the PBS solution containing 5% PEG into a three-neck flask, stirring at constant temperature, slowly titrating the solution obtained in the step (1) and injecting the solution into the PBS solution containing 5% PEG, and reacting for 30min to obtain the PEG-coated porous nano-microspheres with the particle size of 250 nm.
(3) Preparing the color-changing photonic crystal structure textile: preparing the monodisperse PEG-coated porous nano microsphere solution prepared in the step (2) on a textile by a digital jet printing technology, and drying and curing the textile in a 60 ℃ drying oven to obtain the color-changing photonic crystal textile capable of slowly releasing the antibacterial and mosquito-proof substances when meeting water.
Through tests, the antibacterial, anti-mosquito and color-changing photonic crystal textile rapidly slowly releasing the antibacterial, anti-mosquito and color-changing when meeting water can achieve the antibacterial and anti-mosquito effects, the antibacterial effect is 91%, and after the test of meeting water, the particle size of the microspheres is reduced by 35nm, and the antibacterial effect is 100%.
The non-woven fabric obtained in example 2 shows a green structural color effect, has a significant iridescent effect (the observed color changes along with the change of the observation angle), and changes the structural color from green to bluish in a water test.
Example 3
The embodiment provides a preparation method of a color-changing photonic crystal textile capable of slowly releasing antibacterial and mosquito-proof substances when meeting water, which comprises the following specific steps:
(1) preparing the essential oil-containing porous nano microspheres: dissolving a certain amount of eucalyptus essential oil in 50ml of ethanol to form a solution, and then adding 200nm porous sulfonated polystyrene nano microspheres into the solution to perform ultrasonic dispersion for 20min at 50 ℃.
(2) Preparing the PEG-coated porous nano-microspheres: and (2) putting the PBS solution containing 10% PEG into a three-neck flask, stirring at constant temperature, slowly titrating the solution obtained in the step (1) and injecting the solution into the PBS solution containing 10% PEG, and reacting for 30min to obtain the PEG-coated porous nano-microspheres with the particle size of 300 nm.
(3) Preparing the color-changing photonic crystal structure textile: preparing the monodisperse PEG-coated porous nano microsphere solution prepared in the step (2) on a textile by a digital jet printing technology, and drying and curing the textile in a 60 ℃ drying oven to obtain the color-changing photonic crystal textile capable of slowly releasing the antibacterial and mosquito-proof substances when meeting water.
Through tests, the antibacterial, anti-mosquito and color-changing photonic crystal textile rapidly slowly releasing the antibacterial, anti-mosquito and color-changing when meeting water can achieve the antibacterial and anti-mosquito effects, the antibacterial effect is 90%, and after the test of meeting water, the particle size of the microspheres is reduced by 80nm, and the antibacterial effect is 100%.
The non-woven fabric obtained in example 3 shows an orange structural color effect, has a remarkable iridescent effect (the observed color changes along with the change of the observation angle), and changes the structural color from orange to bluish in a water test.
Example 4
The embodiment provides a preparation method of a color-changing photonic crystal textile capable of slowly releasing antibacterial and mosquito-proof substances when meeting water, which comprises the following specific steps:
(1) preparing the essential oil-containing porous nano microspheres: dissolving a certain amount of tea tree essential oil in 50ml of ethanol to form a solution, and adding 150nm porous silicon dioxide nano microspheres into the solution to perform ultrasonic dispersion for 20min at 50 ℃.
(2) Preparing the PEG-coated porous nano-microspheres: and (2) putting the PBS solution containing 20% PEG into a three-neck flask, stirring at constant temperature, slowly titrating the solution obtained in the step (1) and injecting the solution into the PBS solution containing 20% PEG, and reacting for 30min to obtain the PEG-coated porous nano-microspheres with the particle size of 300 nm.
(3) Preparing the color-changing photonic crystal structure textile: preparing the monodisperse PEG-coated porous nano microsphere solution prepared in the step (2) on a textile by a digital jet printing technology, and drying and curing the textile in a 60 ℃ drying oven to obtain the color-changing photonic crystal textile capable of slowly releasing the antibacterial and mosquito-proof substances when meeting water.
Through tests, the antibacterial, anti-mosquito and color-changing photonic crystal textile rapidly and slowly releasing the antibacterial and anti-mosquito effects when meeting water obtained in example 4 can achieve the antibacterial and anti-mosquito effects, the antibacterial effect is 80%, the particle size of the microspheres is reduced by 25nm after a short-time water test, the antibacterial effect can reach 90%, the particle size of the microspheres is reduced by 80nm after a second water test, and the antibacterial effect is 100%.
The non-woven fabric obtained in example 4 shows a red structural color effect, has a significant iridescent effect (the observed color changes with the change of the observation angle), changes the structural color from red to yellow in a short water test, and changes the structural color from yellow to bluish after a water test again.
Comparative example 1
The embodiment provides a preparation method of a color-changing photonic crystal textile capable of slowly releasing antibacterial and mosquito-proof substances when meeting water, which comprises the following specific steps:
(1) preparing the essential oil-containing porous nano microspheres: dissolving a certain amount of cinnamon essential oil in 50ml of ethanol to form a solution, adding 250nm porous sulfonated polystyrene nano microspheres into the solution, and performing ultrasonic dispersion for 20min at 20 ℃.
(2) Preparing the PEG-coated porous nano-microspheres: and (2) putting the PBS solution containing 5% PEG into a three-neck flask, stirring at constant temperature, slowly titrating the solution obtained in the step (1) and injecting the solution into the PBS solution containing 5% PEG, and reacting for 30min to obtain the PEG-coated porous nano-microspheres with the particle size of 300 nm.
(3) Preparing the color-changing photonic crystal structure textile: preparing the monodisperse PEG-coated porous nano microsphere solution prepared in the step (2) on a textile by a digital jet printing technology, and drying and curing the textile in a 60 ℃ drying oven to obtain the color-changing photonic crystal textile capable of slowly releasing the antibacterial and mosquito-proof substances when meeting water.
Through tests, the antibacterial mosquito-repellent allochroic photonic crystal textile obtained in comparative example 1 can not achieve the antibacterial mosquito-repellent effect after being rapidly and slowly released when meeting water, the antibacterial effect is 76%, and after being tested when meeting water, the particle size of the microspheres is reduced by 20nm, and the antibacterial effect is 99%.
The non-woven fabric obtained in comparative example 1 shows a yellow-green structural color effect, the iridescence effect is not obvious (the observed color changes along with the observation angle), and the structural color changes from yellow-green to green in a water test.
Compared with the example 1, in the comparative example, the volatilization of ethanol cannot be accelerated at 20 ℃ in the process of coating the porous nano-microspheres with PEG, and the coating of the porous nano-microspheres with PEG is interfered by redundant ethanol, so that the coating effect of the porous nano-microspheres is not uniform, the monodispersity of the colloidal emulsion is not uniform, and the structural color of the constructed photonic crystal is not obvious.
Comparative example 2
The embodiment provides a preparation method of a color-changing photonic crystal textile capable of slowly releasing antibacterial and mosquito-proof substances when meeting water, which comprises the following specific steps:
(1) preparing the essential oil-containing porous nano microspheres: dissolving a certain amount of tea tree essential oil in 50ml of ethanol to form a solution, and then adding 150nm porous silicon dioxide nano microspheres into the solution to perform ultrasonic dispersion for 20min at 50 ℃.
(2) Preparing the PEG-coated porous nano-microspheres: and (2) putting the PBS solution containing 25% PEG into a three-neck flask, stirring at constant temperature, slowly titrating the solution obtained in the step (1) and injecting the solution into the PBS solution containing 20% PEG, and reacting for 30min to obtain the PEG-coated porous nano-microspheres with the particle size of 320 nm.
(3) Preparing the color-changing photonic crystal structure textile: preparing the monodisperse PEG-coated porous nano microsphere solution prepared in the step (2) on a textile by a digital jet printing technology, and drying and curing the textile in a 60 ℃ drying oven to obtain the color-changing photonic crystal textile capable of slowly releasing the antibacterial and mosquito-proof substances when meeting water.
Tests prove that the antibacterial, anti-mosquito and color-changing photonic crystal textile prepared in example 4 can achieve the antibacterial and anti-mosquito effects by quickly and slowly releasing the antibacterial, anti-mosquito and color-changing materials when meeting water, the antibacterial effect is 76%, and after the test of meeting water, the particle size of the microspheres is reduced by 94nm, and the antibacterial effect is 97%.
The nonwoven fabric obtained in comparative example 2 was characterized to exhibit a reddish structural color effect, without significant iridescence effects (change in observed color with change in observation angle), and the structural color changed from red to bluish blue in the water test.
Compared with the example 4, in the comparative example, in the process of coating the porous nano-microspheres with PEG, excessive PEG cannot uniformly coat the porous nano-microspheres, so that the coating effect of the porous nano-microspheres is not uniform, the monodispersity of the colloidal emulsion is not uniform, the constructed photonic crystal structure is not obvious in color, the coating shell layer is too thick, the essential oil slow release effect is not obvious, and the antibacterial effect is poor.
TABLE 1
Based on the earlier research basis of the applicant, on the premise of simultaneously ensuring the color and the functionality of the textile, the ecological environment-friendly high-quality textile with the structural color effect and the antibacterial and mosquito-proof functions is innovatively provided by a one-step method, and the integration of the structural color, the antibacterial and mosquito-proof functions on the textile is realized. Filling the antibacterial and mosquito-proof essential oil into the pores of the porous photonic crystal nanospheres by utilizing the porous photonic crystal nanospheres, and then encapsulating the antibacterial and mosquito-proof essential oil in the pores of the porous photonic crystal nanospheres in a microcapsule mode to obtain the antibacterial and mosquito-proof photonic crystal structural element. The prepared photonic crystal textile is a multifunctional textile which not only has a bright photonic crystal structural color, but also has the effects of antibiosis and mosquito prevention, and can quickly and slowly release essential oil when meeting water, and meanwhile, the slow release rate of the essential oil can be judged according to the structural color change situation.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made based on the present invention to solve the same technical problems and achieve the same technical effects are within the scope of the present invention.
Claims (10)
1. The utility model provides a meet photochromic photonic crystal fabrics of antibiotic mosquito-proof material of water slow-release which characterized in that: the method comprises the steps of selecting a porous nano microsphere for constructing photonic crystal (PBG), injecting essential oil into pores of the porous nano microsphere, coating the porous nano microsphere by a polyethylene glycol (PEG) shell layer, and then carrying out self-assembly on the coated porous nano microsphere on a textile substrate to form a photonic crystal color-generating structure layer.
2. The color-changing photonic crystal textile for slowly releasing antibacterial and mosquito-proof substances at water of claim 1, which is characterized in that: the porous nano-microsphere is one of porous sulfonated polystyrene nano-microsphere and porous silicon dioxide microsphere.
3. The color-changing photonic crystal textile for slowly releasing antibacterial and mosquito-proof substances at water of claim 1, which is characterized in that: the molecular weight of polyethylene glycol (PEG) is 2000, 4000, 8000.
4. The color-changing photonic crystal textile for slowly releasing antibacterial and mosquito-proof substances at water of claim 1, which is characterized in that: the essential oil is one of eucalyptus essential oil, tea tree essential oil, and cinnamon essential oil.
5. The preparation method of the color-changing photonic crystal textile which can slowly release the antibacterial and mosquito-proof substances in water according to any one of claims 1 to 4 is characterized in that: the method comprises the following steps:
(1) preparing the essential oil-containing porous nano microspheres: dissolving a certain amount of essential oil in 50mL of ethanol to form a solution, and adding porous nano microspheres into the solution to perform ultrasonic dispersion at 50 ℃ for 20 min;
(2) preparing polyethylene glycol (PEG) coated porous nano microspheres: placing a poly (butylene succinate) (PBS) solution containing a certain amount of polyethylene glycol (PEG) into a three-neck flask, stirring at constant temperature, slowly titrating the solution obtained in the step (1) and injecting the solution into the poly (butylene succinate) (PBS) solution containing polyethylene glycol (PEG), and reacting for 30min to obtain polyethylene glycol (PEG) -coated porous nano microspheres;
(3) preparing the color-changing photonic crystal structure textile: preparing the monodisperse polyethylene glycol (PEG) -coated porous nano microsphere solution prepared in the step (2) on a textile substrate by a digital jet printing technology, and curing to obtain the color-changing photonic crystal textile capable of slowly releasing the antibacterial and mosquito-proof substances when meeting water.
6. The method of claim 5, wherein: the particle size of the essential oil-containing microspheres coated by the polyethylene glycol (PEG) in the step (2) is 200-400 nm.
7. The method of claim 5, wherein: in the step (2), the coating thickness of the polyethylene glycol (PEG) coated porous nano-microspheres is 50-150 nm.
8. The method of claim 5, wherein: the dosage of the polyethylene glycol (PEG) in the step (2) is 5-20% of the mass of the porous microspheres.
9. The method of claim 5, wherein: the dosage of the essential oil in the step (1) is 1-5% of the mass of the porous nano microsphere.
10. The method of claim 5, wherein: in the step (3), the textile base material is any one of polypropylene non-woven fabrics, terylene, cotton, polyester cotton and real silk fabrics.
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