CN113106749B - Tannin-based structural yarn dyed fabric and preparation method thereof - Google Patents
Tannin-based structural yarn dyed fabric and preparation method thereof Download PDFInfo
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- 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
- D06M13/224—Esters of carboxylic acids; Esters of carbonic acid
- D06M13/238—Tannins, e.g. gallotannic acids
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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
- D06M15/21—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
- 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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- 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
- D06M2101/10—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
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/10—Animal fibres
- D06M2101/12—Keratin fibres or silk
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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
- D06M2101/30—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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Abstract
The invention discloses a method for preparing a structure yarn dyed fabric based on tannic acid, which comprises the following steps: s1, dispersing polystyrene nano microspheres in a buffer solution with the pH value of 7-7.5, adding tannic acid, and stirring and reacting at the temperature of 30-50 ℃ for 5-60 min; then adding metal ions, and continuing to react for 5-20 min; after the reaction is finished, dispersing, ultrasonically treating and centrifuging, and collecting to obtain the nano-microspheres coated with the polyphenol; s2, dispersing the nano-microspheres coated with the polyphenol in water to obtain microsphere emulsion with the mass fraction of 5% -10%; then, dropwise adding the microsphere emulsion on the fabric, and self-assembling for 2-4 hours at the temperature of 50-80 ℃; s3, drying the fabric subjected to self-assembly at the temperature of 100-120 ℃ to obtain the tannin-based structural yarn dyed fabric. The preparation method of the structure yarn dyed fabric based on the tannic acid can quickly prepare the structure yarn dyed fabric with complete color spectrum, bright color and good color fastness.
Description
Technical Field
The invention relates to the technical field of textiles, in particular to a structure yarn dyed fabric based on tannic acid and a preparation method thereof.
Background
With the intensive research on structural color materials, scientists find that the structural color generated by the amorphous photonic crystal is not dazzling and has iridescent effect like the photonic crystal, so that animals and plants in the nature hide themselves, the structural material of the amorphous photonic crystal is most in the nature, the arrangement of the amorphous photonic crystal looks like disorder on the microstructure, but the arrangement of the amorphous photonic crystal does not have long-range order but has good short-range order through fast Fourier and radial distribution function analysis. And as long as the amorphous photonic crystal structure is not damaged, the color of the iridescent-free structure is never faded and the iridescent-free structure has the characteristics of brightness and softness, and has wide application prospect in the fields of coating, cosmetics, textiles, display and the like.
The microsphere self-assembly method is usually used for manually preparing a long-range and short-range ordered photonic crystal structure and an amorphous photonic crystal structure only with short-range order, and has the characteristics of simple process, low cost and capability of preparing a sample in a large area. In order to obtain an amorphous photonic crystal structure with only short-range order, the existing preparation method based on self-assembly is realized by adding salt electrolyte to adjust van der Waals force between colloidal microspheres and mixing two colloidal microspheres or promoting the rapid volatilization of a solvent, but due to the influence of uncorrelated scattered light, the prepared structural color material is whitish in color. If a color with better visibility is to be obtained, a dark substance is additionally added to absorb the non-relevant scattered light.
Patent application CN107201690B discloses a method for preparing amorphous photonic crystal structural color by atomizing aqueous solution of colloidal microspheres and then putting black substrate in mist for atomization. Patent application CN109201438A discloses a method for preparing an amorphous photonic crystal structure by blending self-assembly of monodisperse nano-microspheres, polymer emulsion with the same charge as the microspheres, and natural melanin such as carbon black or carbon nanotubes or graphene or polydopamine under a heat-assisted condition. However, the structural yarn dyed fabric prepared by the method has the characteristics of poor color fastness and the like. Patent application CN107121714A discloses a method for utilizing the adhesiveness of dopamine to make it undergo auto-oxidative polymerization in an alkaline aerobic environment to produce a black polydopamine @ polystyrene microsphere for preparing structural color materials. However, dopamine is polymerized at a very slow speed, usually about 20 hours of preparation time is needed, the process needs continuous stirring and energy consumption, and the time and energy consumption become a big problem in the scheme.
Disclosure of Invention
The invention aims to provide a method for quickly preparing a structural yarn dyed fabric with bright color and good color fastness, which has the advantages of low treatment temperature, low energy consumption, short production flow, high efficiency and convenience for industrial production.
The invention provides a preparation method of a structure yarn dyed fabric based on tannic acid, which comprises the following steps:
s1, dispersing Polystyrene (PS) nano microspheres in a buffer solution with the pH value of 7-7.5, adding tannic acid, and stirring and reacting at the temperature of 30-50 ℃ for 5-60 min; then adding metal ions, and continuing to react for 5-20 min; after the reaction is finished, dispersing, ultrasonically treating and centrifuging, and collecting to obtain the nano microspheres coated with the polyphenol (TA);
s2, dispersing the nano-microspheres coated with the polyphenol in water to obtain microsphere emulsion with the mass fraction of 5% -10%; then, dropwise adding the microsphere emulsion on the fabric, and self-assembling for 2-4 hours at the temperature of 50-80 ℃;
s3, drying the fabric subjected to self-assembly at the temperature of 100-120 ℃ to obtain the tannin-based structural yarn dyed fabric.
Tannic acid is a plant-derived polyphenol based, and compared to dopamine, tannic acid is non-neurotoxic and cytotoxic, with lower cost and excellent usability. The invention utilizes the characteristic that tannic acid is easy to deposit and can show darker color after being complexed with metal ions, and greatly improves the saturation of the structural color of the photonic crystal by adhering and covering a dark polytannic acid coating on the surface of the polystyrene nano microsphere, and the color fastness of the prepared structural color fabric is obviously improved.
Further, in step S1, the polystyrene nano-microsphere has an average particle size of 150-300nm, good sphericity, and the monodispersity index of the microsphere is preferably less than 0.1.
Further, in step S1, after dispersing the polystyrene nano-microspheres in the buffer solution, performing ultrasonic treatment in an ultrasonic cleaning machine for 20-30 min.
Further, in step S1, the concentration of the polystyrene nanospheres in the mixed solution is 1-3 g/L.
Further, in step S1, the concentration of tannic acid in the mixed solution is 0.8-1.0 g/L.
Further, in step S1, the metal ion is one of a copper ion, a silver ion, and an iron ion.
Further, in step S1, the concentration of the metal ions is 1mmol/L-5 mmol/L.
Further, in step S2, the fabric is one of wool, silk, cotton, and polyester.
Further, in step S3, the drying time is 60-90 min.
The invention also provides the structure yarn dyed fabric based on the tannic acid, which is prepared by the method.
The color forming mechanism for preparing the high-saturation-degree structure yarn dyed fabric based on the tannic acid is as follows: the tannic acid is easy to deposit, has strong adhesion, and can be easily adhered to the surface of the nano microsphere dispersed in the solution, so that core-shell structure particles with the tannic acid coated on the surface of the nano microsphere are formed. After the core-shell structure particles are further complexed with metal ions, the core-shell structure particles are darker in color, and the amorphous photonic crystal coating obtained through self-assembly can absorb most of irrelevant diffracted light, so that the reflection and scattering of visible light with specific wavelength are enhanced, and a structural color with bright color is presented.
In the invention, the color of the structural yarn dyed fabric is regulated and controlled by the particle size of the polystyrene microsphere and the thickness of the tannin shell layer. For example, when the structural yarn dyed fabric prepared by the shell-core structure microspheres prepared by coating polystyrene with tannic acid and complexing with iron ions is blue, the particle size of the polystyrene microspheres is 175nm, and the thickness of a tannic acid layer is 12 nm; when the microspheres are green, the particle size of the polystyrene microspheres is 225nm, and the thickness of the tannic acid layer is 9 nm; when the microspheres are red, the particle size of the polystyrene microspheres is 271nm, and the thickness of the tannic acid is 11 nm.
Compared with the prior art, the technical scheme of the invention has the following advantages:
1. in the invention, the tannic acid is a natural product, widely exists in nature, has wide sources, low price and good biocompatibility, and is used for preparing the structural yarn dyed fabric in an environment-friendly way.
2. The invention has wide adaptability of the fabric which can be processed, and can adopt wool, silk, cotton or terylene and fabric.
3. The preparation method disclosed by the invention is simple to operate, easy to control conditions, free of complex and fussy operation flow, low in reaction temperature, short in time, energy-saving, emission-reducing, low in energy consumption, green, environment-friendly and high in practicability.
4. The fabric with the surface having the non-iridescent structural color prepared by the preparation method has bright and beautiful color, and the fabrics with 3 different colors can be obtained by controlling the particle size of the polystyrene microspheres and the thickness of the tannin shell layer.
Drawings
FIG. 1 is a scanning electron micrograph of a green structured chromogenic fabric prepared according to example 2 of the present invention;
FIG. 2 shows a total reflection spectrum (a) and a transmittance spectrum (b) of a washing liquid of a green-structured green colored fabric prepared in example 2 of the present invention after washing.
Detailed Description
The present invention is further described below in conjunction with specific examples to enable those skilled in the art to better understand the present invention and to practice it, but the examples are not intended to limit the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example 1
0.1g of PS microspheres with a particle size of 175nm and a monodispersion index of 0.033 are removed, dispersed in 50mL of pH 7 buffer solution and sonicated for 30 min. After the ultrasonic treatment is finished, 0.04g of tannic acid is added into the mixture, the mixture reacts for 30min in warm water bath at the rotating speed of 3500r/min and the temperature of 50 ℃, and then 0.008g of anhydrous ferric chloride is added into the mixture to continue the reaction for 5min, so that PS @ TA nanosphere dispersion liquid is obtained; and dispersing the product, performing ultrasonic treatment and centrifuging for three times, and collecting the PS @ TA nanosphere precipitate for subsequent use.
PS @ TA nanospheres were dispersed in deionized water at a concentration of about 5 wt% and sonicated for 30min, then 0.4mL of dispersion was added dropwise to a petri dish (6 cm diameter) containing a white cotton fabric sample; self-assembling for 3h at a constant temperature (60 ℃); and then heating to 110 ℃, drying and curing for 60min to obtain the blue photonic crystal structural color on the surface of the cotton fabric.
Example 2
0.12g of PS microspheres with a particle size of 225nm and a monodispersion index of 0.062 were removed, dispersed in 50mL of a buffer solution with pH 7.3 and sonicated for 20 min. And after the ultrasonic treatment is finished, adding 0.04g of tannic acid into the mixture, reacting for 30min in a warm water bath at the rotation speed of 3500r/min and the temperature of 50 ℃, then adding 0.008g of anhydrous ferric chloride, and continuing to react for 5min to obtain the PS @ TA nanosphere dispersion liquid. And dispersing the product, performing ultrasonic treatment and centrifuging for three times, and collecting the PS @ TA nanosphere precipitate for subsequent use.
PS @ TA nanospheres were dispersed in deionized water at a concentration of about 10 wt% and sonicated for 20min, then 0.2mL of the dispersion was added dropwise to a petri dish (6 cm diameter) containing a white silk tissue sample; self-assembling for 4h at a constant temperature (50 ℃), then heating to 100 ℃, drying and curing for 60min, and obtaining a green photonic crystal structure color on the surface of the silk fabric.
FIG. 1 is a scanning electron micrograph of a green structural yarn dyed fabric prepared in example 2. As can be seen from the figure, the fabric surface has a large number of polyphenolic coated polystyrene microspheres.
FIG. 2 shows the total reflection spectrum and the transmittance of the washing liquid of the green colored woven fabric prepared in example 2 after the simulated washing process (the fabric is put in 200mL of deionized water with the temperature of 40 ℃ and rotated at the rotating speed of 40rpm/min for 15 minutes for carrying out the washing test). As can be seen from the figure, the structural yarn dyed fabric can still keep excellent structural color after being washed for 90min once every 15min, and washing liquor keeps transparent.
Example 3
0.1g of PS microspheres with the particle size of 271nm and the monodispersion index of 0.02 are transferred and dispersed in 50mL of buffer solution with the pH value of 7.5 and subjected to ultrasonic treatment for 30 min. And after the ultrasonic treatment is finished, adding 0.04g of tannic acid into the mixture, reacting for 30min in a warm water bath at the rotation speed of 3500r/min and the temperature of 50 ℃, then adding 0.008g of anhydrous ferric chloride, and continuing to react for 5min to obtain the PS @ TA nanosphere dispersion liquid. And dispersing the product, performing ultrasonic treatment and centrifuging for three times, and collecting the PS @ TA nanosphere precipitate for subsequent use.
PS @ TA nanospheres were dispersed in deionized water at a concentration of about 10 wt% and sonicated for 20min, then 0.4mL of the dispersion was added dropwise to a petri dish (6 cm diameter) containing a white wool fabric sample; self-assembling for 2h at a constant temperature (80 ℃), then heating to 120 ℃, drying and curing for 60min, and obtaining the red photonic crystal structure color on the surface of the wool fabric.
Example 4
0.1g of PS microspheres with a particle size of 175nm and a monodispersion index of 0.033 are removed, dispersed in 50mL of buffer solution with pH 7.2 and sonicated for 20 min. And after the ultrasonic treatment is finished, adding 0.05g of tannic acid into the mixture, reacting for 60min in a warm water bath at the temperature of 50 ℃ at the rotating speed of 3500r/min, then adding 0.02g of anhydrous copper chloride, and continuing to react for 30min to obtain the PS @ TA nanosphere dispersion liquid. And dispersing the product, performing ultrasonic treatment and centrifuging for three times, and collecting the PS @ TA nanosphere precipitate for subsequent use.
Dispersing PS @ TA nanospheres in deionized water at a concentration of about 5 wt% and sonicating for 30min, then dropping 0.3mL of the dispersion into a petri dish (6 cm diameter) containing a white polyester fabric sample; self-assembling for 3h at a constant temperature (60 ℃), then heating to 100 ℃, drying and curing for 90min, and obtaining the blue photonic crystal structural color on the surface of the polyester fabric.
Example 5
0.1g of PS microspheres with a particle size of 225nm and a monodispersion index of 0.062 were removed, dispersed in 50mL of a buffer solution with pH 7.2 and sonicated for 30 min. And after the ultrasonic treatment is finished, adding 0.05g of tannic acid into the mixture, reacting for 60min in a warm water bath at the temperature of 50 ℃ at the rotating speed of 3500r/min, then adding 0.02g of anhydrous copper chloride, and continuing to react for 30min to obtain the PS @ TA nanosphere dispersion liquid. And dispersing the product, performing ultrasonic treatment and centrifuging for three times, and collecting the PS @ TA nanosphere precipitate for subsequent use.
PS @ TA nanospheres were dispersed in deionized water at a concentration of about 10 wt% and sonicated for 20min, then 0.2mL of the dispersion was added dropwise to a petri dish (6 cm diameter) containing a white cotton fabric sample; self-assembling for 2h at a constant temperature (70 ℃), then heating to 100 ℃, drying and curing for 90min, and obtaining the green photonic crystal structural color on the surface of the cotton fabric.
Example 6
0.1g of PS microspheres with the particle size of 271nm and the monodispersion index of 0.02 are transferred and dispersed in 50mL of buffer solution with the pH value of 7.4 and subjected to ultrasonic treatment for 20 min. And after the ultrasonic treatment is finished, adding 0.045g of tannic acid into the nano-spheres, reacting for 60min in a warm water bath at 40 ℃ at the rotation speed of 3500r/min, then adding 0.008g of silver nitrate, and continuing to react for 5min to obtain the PS @ TA nano-sphere dispersion liquid. And dispersing the product, performing ultrasonic treatment and centrifuging for three times, and collecting the PS @ TA nanosphere precipitate for subsequent use.
PS @ TA nanospheres were dispersed in deionized water at a concentration of about 10 wt% and sonicated for 30min, then 0.2mL of the dispersion was added dropwise to a petri dish (6 cm diameter) containing a white cotton fabric sample; self-assembling for 2h at a constant temperature (80 ℃), then heating to 110 ℃, drying and curing for 90min, and obtaining the red photonic crystal structural color on the surface of the cotton fabric.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. A method for preparing a structure yarn dyed fabric based on tannic acid is characterized by comprising the following steps:
s1, dispersing polystyrene nano microspheres in a buffer solution with the pH value of 7-7.5, adding tannic acid, and stirring and reacting at the temperature of 30-50 ℃ for 5-60 min; then adding metal ions, and continuing to react for 5-20 min; after the reaction is finished, dispersing, ultrasonically treating and centrifuging, and collecting to obtain the nano-microspheres coated with the polyphenol;
s2, dispersing the nano-microspheres coated with the polyphenol in water to obtain microsphere emulsion with the mass fraction of 5% -10%; then, dropwise adding the microsphere emulsion on the fabric, and self-assembling for 2-4 hours at the temperature of 50-80 ℃;
s3, drying the fabric subjected to self-assembly at the temperature of 100-120 ℃ to obtain the tannin-based structural yarn dyed fabric.
2. The method as claimed in claim 1, wherein in step S1, the polystyrene nanospheres have an average particle size of 150-300nm and a monodispersity index of less than 0.1.
3. The method for preparing a structure yarn dyed fabric based on tannic acid as claimed in claim 1, wherein in step S1, the polystyrene nanospheres are dispersed in the buffer solution and then subjected to ultrasound for 20-30 min.
4. The method for preparing a structure yarn dyed fabric based on tannic acid as claimed in claim 1, wherein in step S1, the concentration of the polystyrene nanospheres in the mixed solution is 1-3 g/L.
5. The method for preparing a tannin based structural yarn dyed fabric as claimed in claim 1, wherein in step S1, the concentration of tannin in the mixed solution is 0.8-1.0 g/L.
6. The method as claimed in claim 1, wherein in step S1, the metal ions are selected from copper ions, silver ions and iron ions.
7. The method for preparing a tannin based structural yarn dyed fabric as claimed in claim 1, wherein in step S1, the concentration of the metal ions is 1mmol/L-5 mmol/L.
8. The method for preparing a tannin based structural yarn dyed fabric as claimed in claim 1, wherein in step S2, the fabric is one of wool, silk, cotton and terylene.
9. The method for preparing a tannin based structural yarn dyed fabric as claimed in claim 1, wherein the drying time is 60-90min in step S3.
10. A tannic acid based structured yarn dyed fabric produced by the method of any one of claims 1 to 9.
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| CN113787194B (en) * | 2021-09-16 | 2022-10-25 | 齐鲁工业大学 | Method for forming ultra-small-size and high-density nano silver particles by utilizing tannic acid coating to assist surface in-situ reduction of phenolic resin microspheres |
| CN114855463B (en) * | 2022-05-05 | 2023-07-21 | 苏州大学 | Sericin-encapsulated structural color fabric and preparation method thereof |
| CN114808454B (en) * | 2022-05-05 | 2023-07-25 | 苏州大学 | Amorphous colloid array structure colored fabric and preparation method thereof |
| CN115410736B (en) * | 2022-10-11 | 2024-05-28 | 四川大学 | Ray shielding material based on core-shell structure nano particles and preparation method thereof |
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| CN110003882A (en) * | 2019-04-04 | 2019-07-12 | 东华大学 | A kind of structure of controlling temperature color dyestuff and its preparation and application |
| CN110106708A (en) * | 2019-05-24 | 2019-08-09 | 苏州大学 | A kind of non-iris structure yarn dyed fabric and preparation method thereof |
| CN110423305A (en) * | 2019-08-12 | 2019-11-08 | 武汉理工大学 | Regulate and control Fe3O4The method of@PVP@PNIPAM magnetic photonic crystal nano chain interparticle distance |
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| CN106444099A (en) * | 2016-12-20 | 2017-02-22 | 武汉理工大学 | Magneto-chromic self-orienting photonic crystal ball and preparation method thereof |
| CN110003882A (en) * | 2019-04-04 | 2019-07-12 | 东华大学 | A kind of structure of controlling temperature color dyestuff and its preparation and application |
| CN110106708A (en) * | 2019-05-24 | 2019-08-09 | 苏州大学 | A kind of non-iris structure yarn dyed fabric and preparation method thereof |
| CN110423305A (en) * | 2019-08-12 | 2019-11-08 | 武汉理工大学 | Regulate and control Fe3O4The method of@PVP@PNIPAM magnetic photonic crystal nano chain interparticle distance |
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