CN111379174A - Structural color-generating finishing liquid for preparing high-stability photonic crystal and application - Google Patents

Structural color-generating finishing liquid for preparing high-stability photonic crystal and application Download PDF

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Publication number
CN111379174A
CN111379174A CN201811615125.XA CN201811615125A CN111379174A CN 111379174 A CN111379174 A CN 111379174A CN 201811615125 A CN201811615125 A CN 201811615125A CN 111379174 A CN111379174 A CN 111379174A
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microspheres
color
photonic crystal
generating
finishing liquid
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刘国金
周岚
吴钰
李慧
韩朋帅
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Zhejiang Sci Tech University ZSTU
Zhejiang University of Science and Technology ZUST
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Zhejiang Sci Tech University ZSTU
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/52—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
    • D06P1/5207—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • D06P1/5214—Polymers of unsaturated compounds containing no COOH groups or functional derivatives thereof
    • D06P1/5221—Polymers of unsaturated hydrocarbons, e.g. polystyrene polyalkylene
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/445—Use of auxiliary substances before, during or after dyeing or printing
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/46—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing natural macromolecular substances or derivatives thereof
    • D06P1/48—Derivatives of carbohydrates
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/52—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
    • D06P1/5207—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • D06P1/525—Polymers of unsaturated carboxylic acids or functional derivatives thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/62—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing low-molecular-weight organic compounds with sulfate, sulfonate, sulfenic or sulfinic groups
    • D06P1/621—Compounds without nitrogen
    • D06P1/627—Sulfates
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/673—Inorganic compounds
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/34—Material containing ester groups
    • D06P3/52—Polyesters
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form

Abstract

The invention belongs to the technical field of photonic crystal preparation, and particularly provides a structural color-generating finishing liquid for preparing a high-stability photonic crystal and application thereof in preparing a patterned high-stability photonic crystal color-generating structure on a textile substrate. The novel structural color-generating finishing liquid effectively overcomes the defects of easy shedding and instability of the existing photonic crystal, can ensure the durability of the structural color of the fabric, and has the advantages of easy implementation, low cost, environmental protection and good universality.

Description

Structural color-generating finishing liquid for preparing high-stability photonic crystal and application
Technical Field
The invention belongs to the technical field of photonic crystal preparation, and particularly relates to a structural color-generating finishing liquid for preparing a patterned high-stability photonic crystal and application thereof.
Background
The photonic crystal is a crystal artificially designed and manufactured with a periodic dielectric structure on an optical scale, and is mainly characterized by having a photonic forbidden band, and bright and colorful structural colors can be obtained by controlling the propagation of photons in the forbidden band. The photonic crystal structure generates color without using dyes or pigments, accords with the concept of green environmental protection, and has a certain application prospect in the field of textile dyeing and finishing.
At present, the research and report of realizing textile coloring by constructing a photonic crystal color-generating structure on a textile substrate by using colloidal microspheres as basic structural units through a dipping method and a digital jet printing method are frequently repeated. In contrast, the digital jet printing method has the characteristics of short time consumption and high efficiency, can construct a patterned photonic crystal structure on the surface of a textile substrate according to needs, can realize the assumption of orderly constructing a large-area photonic crystal chromogenic structure on the surface of the same textile substrate, and is an implementation mode with an industrial application prospect. However, the limitations of the inkjet printing equipment and the like exist so far when the photonic crystal color-generating structure is constructed on the textile substrate by adopting the digital inkjet printing method, and particularly the limitations are shown in the lack of adaptability between the inkjet printing nozzle and the photonic crystal structure color-generating ink, so that the inkjet printing effect is poor. The development of the adaptive spray head needs a long process, and relates to numerous interdisciplinary fields of machinery, engineering, spinning and the like. The preparation of the patterned photonic crystal is carried out according to the existing textile dyeing and finishing equipment which is expected to construct the photonic crystal color-generating structure on the textile substrate, which is undoubtedly a shortcut for realizing the structural color generation on the textile substrate.
After a processing technology suitable for quickly constructing a patterned photonic crystal chromogenic structure on a textile substrate is expected to be developed, the applicant of the present invention realizes that the stability of the photonic crystal chromogenic structure on the surface of the textile substrate is very important in the actual application process, and the durability of the structural color plays a decisive role in the actual application of the photonic crystal structure chromogenic textile. Therefore, the improvement of the stability of the photonic crystal color-forming structure on the textile is urgent.
Disclosure of Invention
The invention aims to provide a color-generating finishing liquid for preparing high-stability photonic crystals and application thereof.
The first purpose of the invention is to provide a color-generating finishing liquid for preparing patterned high-stability photonic crystals.
Preferably, the finishing liquid comprises colloidal microspheres with the solid content of 25-40%, a structure stabilizer accounting for 2-5% of the total mass of the colloidal microspheres, 1-3% of a surfactant and 0.5-2% of a thickening agent.
Specifically, when the number of microspheres in the system is small, the number of stacked layers is insufficient, so that a photonic crystal structure with regular arrangement cannot be formed, and when the number of microspheres is too large, the formed photonic crystal structure becomes thick and agglomeration phenomenon occurs, so that the assembly is not facilitated to form a high-quality photonic crystal structure, and the color generation effect is influenced, therefore, colloidal microspheres with the solid content of 25-40% are preferably used for preparing the color generation finishing liquid.
When the nano microspheres in the photonic crystal structure have larger gaps or are arranged more loosely, the bonding degree between the microsphere layers is weak and the microspheres are easy to fall off from the surface of the textile substrate. The adhesive force between the photonic crystal structure and the base material is improved by adding the structure stabilizer, the surfactant and the thickening agent, and the stability of the photonic crystal structure is enhanced.
The structure stabilizer is used for connecting adjacent nano microspheres in the photonic crystal structure and plays a role in bridging the photonic crystal structure and the base material, so that the stability of the color-generating structure of the photonic crystal is improved. Too high concentration of the structural stabilizer causes the microspheres to be too adhesive, and the self-assembly of the microspheres is influenced; if the concentration of the structure stabilizer is too low, the structure stabilizer cannot play a role in structure stabilization. Therefore, the addition amount of the surface structure stabilizer is preferably 2% to 5%.
Surfactants are used to adjust the surface tension and thereby improve the penetration of the structural color-generating finish on the substrate. Too high a concentration of surfactant will cause the finishing liquor to permeate too quickly, affecting the self-assembly of microspheres therein; too low a concentration of surfactant will not promote penetration of the finish. Therefore, the amount of the surfactant to be added is preferably 1% to 3%.
The thickening agent is used for adjusting the viscosity of the color-generating finishing liquid, the adhesion between the photonic crystal structure and the base material can be increased by properly increasing the viscosity of the color-generating finishing liquid, but the excessive viscosity can block the movement of the colloidal microspheres in the self-assembly process, so that the generation of structural color is influenced; further, since the fabric coated with the photonic crystal structure is difficult to dry due to an excessively high viscosity, and the structure of the textile substrate and the photonic crystal is affected or destroyed by a long-term drying treatment, the processing efficiency is reduced, and the processing energy consumption is increased, the amount of the thickener added is preferably 0.5% to 2%.
Preferably, the particle size range of the colloidal microspheres is 180-350 nm.
Preferably, the nanospheres have good sphericity and a monodispersion index (PDI) of not more than 0.08.
Preferably, the colloidal microspheres are any one of silica (SiO2) microspheres, titanium dioxide (TiO2) microspheres, polystyrene (PSt) microspheres, polymethyl methacrylate (PMMA) microspheres, poly (styrene-methacrylic acid) (P (St-MAA)) microspheres, poly (styrene-methyl methacrylate-methacrylic acid) (P (St-MMA-MAA)) microspheres, and silica-polystyrene composite microspheres.
Preferably, the structure stabilizer is any one of self-crosslinking aqueous polyacrylate and self-crosslinking aqueous polyurethane.
Preferably, the surfactant is any one of Sodium Dodecyl Sulfate (SDS), sodium dodecyl sulfate (AS), sodium dodecyl polyoxyethylene ether sulfate (AES), and alkylphenol polyoxyethylene ether (OP-10).
Preferably, the thickener is any one of carboxymethyl cellulose (CMC), Glycerol (GL) and Sodium Alginate (SA).
The second purpose of the invention is to provide the use of the color-generating finishing liquid for preparing the patterned high-stability photonic crystal color-generating structure on the textile substrate.
Based on the above uses, the present invention provides a method for preparing a patterned high-stability photonic crystal color-generating structure on a textile substrate, the method comprising the steps of:
(1) preparing structural color-generating finishing liquid, wherein the finishing liquid comprises colloidal microspheres with the solid content of 25-40%, structural stabilizer accounting for 2-5% of the total mass of the colloidal microspheres, 1-3% of surfactant and 0.5-2% of thickener;
(2) stirring the prepared chromogenic finishing liquid to be used as slurry to print patterns on a textile substrate;
(3) and (5) curing and shaping the textile substrate applied with the coating liquid.
Preferably, the particle size range of the colloidal microspheres in the step (1) is 180-350 nm.
Preferably, the colloidal microspheres in step (1) are any one of silica (SiO2) microspheres, titanium dioxide (TiO2) microspheres, polystyrene (PSt) microspheres, polymethyl methacrylate (PMMA) microspheres, poly (styrene-methacrylic acid) (P (St-MAA)) microspheres, poly (styrene-methyl methacrylate-methacrylic acid) (P (St-MMA-MAA)) microspheres, and silica-polystyrene composite microspheres.
Preferably, the structure stabilizer in step (1) is any one of self-crosslinking aqueous polyacrylate and self-crosslinking aqueous polyurethane.
Preferably, in the step (1), the surfactant is any one of Sodium Dodecyl Sulfate (SDS), sodium dodecyl sulfate (AS), sodium dodecyl polyoxyethylene ether sulfate (AES), and alkylphenol polyoxyethylene ether (OP-10).
Preferably, the thickener in the step (1) is any one of carboxymethyl cellulose (CMC), Glycerol (GL) and Sodium Alginate (SA).
Preferably, the color-generating finishing liquid in the step (2) is stirred at 10000r/min for 30min to be used as slurry.
Preferably, in the step (2), the textile substrate may be subjected to pattern printing processing by using a gravure printing machine or digital jet printing, or may be artificially colored by allowing the colloidal microspheres in the color-generating finishing liquid to self-assemble into the photonic crystal structure on the textile substrate, for example, by gravity settling, vertical deposition, or the like.
Particularly, the color-generating finishing liquid is particularly suitable for a gravure printing machine, and effectively overcomes the defects of dark color and poor durability of the patterned photonic crystals prepared by the conventional textile dyeing and finishing equipment.
Preferably, the textile substrate in the step (2) is any one of terylene, cotton, polyester-cotton, silk fabric, polyester and polypropylene non-woven fabric.
Preferably, the curing and setting in the step (3) can be performed by a method commonly used in the art, such as oven drying, uv curing lamp irradiation, and the like.
In a preferred embodiment, the curing and shaping in step (3) is performed by baking, the baking temperature is 80 ℃, and the processing time is 60 s.
Has the advantages that:
the invention provides a structural color-generating finishing liquid for preparing a high-stability photonic crystal and application thereof in preparing a patterned high-stability photonic crystal color-generating structure on a textile substrate. The novel structural color-generating finishing liquid effectively overcomes the defects of easy shedding and instability of the existing photonic crystal, can ensure the durability of the structural color of the fabric, and has the advantages of easy implementation, low cost, environmental protection and good universality.
Detailed Description
The present invention is further illustrated by the following specific examples.
In the following examples, reagents, materials and equipment used were either commercially available or prepared by methods conventional in the art or commonly used in the industry, unless otherwise specified.
Example 1:
at room temperature, adding a structure stabilizer self-crosslinking aqueous polyacrylate accounting for 5% of the total mass of the polystyrene microsphere (PSt) with the particle size of 240nm and the monodispersion index (PDI) of 0.05, 1% of surfactant Sodium Dodecyl Sulfate (SDS) and 2% of thickener Sodium Alginate (SA) into 25% (calculated by solid content) of the polystyrene microsphere (PSt) colloidal microsphere in sequence, and then heating and stirring at 70 ℃ for 20 min; and stirring the prepared finishing liquid at 10000r/min for 30min, placing the mixture in a gravure printing machine, printing patterns on a black polyester fabric substrate, taking out the printed black polyester fabric, and carrying out hot baking treatment at 80 ℃ for 60s to obtain the bright and gorgeous and high-stability greenish-blue photonic crystal structure chromogenic textile.
Example 2:
to 30% (in terms of solid content) of Silica (SiO) having a particle diameter of 210nm and a monodispersion index (PDI) of 0.06 at room temperature2) Sequentially adding 3.5% of structural stabilizer self-crosslinking aqueous polyurethane, 3% of surfactant alkylphenol polyoxyethylene ether (OP-10) and 1% of thickener carboxymethyl cellulose (CMC) into the colloidal microspheres, and heating and stirring at 70 ℃ for 20 min; and stirring the prepared finishing liquid at 10000r/min for 30min, placing the mixture in a gravure printing machine, printing patterns on a black real silk fabric substrate, taking out the printed black real silk fabric, and carrying out hot baking treatment at 80 ℃ for 60s to obtain the bright and gorgeous blue photonic crystal structure chromogenic textile.
Example 3:
sequentially adding a structure stabilizer self-crosslinking aqueous polyacrylate accounting for 2% of the total mass of colloidal microspheres, a surfactant sodium dodecyl polyoxyethylene ether sulfate (AES) accounting for 2% of the total mass of the colloidal microspheres and a thickener Glycerol (GL) accounting for 1.5% of the total mass of the colloidal microspheres into 40% (calculated by solid content) of poly (styrene microsphere-methacrylic acid) (P (St-MAA)) colloidal microspheres with the particle size of 350nm and the monodispersion index (PDI) of 0.02 at room temperature, and then heating and stirring for 20min at 70 ℃; stirring the prepared finishing liquid at 10000r/min for 30min, placing the mixture in a gravure printing machine, printing patterns on a black cotton fabric substrate, taking out the printed black cotton fabric, and carrying out hot baking treatment at 80 ℃ for 60s to obtain the bright and gorgeous color magenta photonic crystal structure chromogenic textile.
Example 4:
at room temperature, sequentially adding a structure stabilizer self-crosslinking aqueous polyacrylate accounting for 2.5 percent of the total mass of colloidal microspheres, a surfactant sodium dodecyl sulfate (AS) accounting for 2 percent of the total mass of the colloidal microspheres and a thickener Glycerol (GL) accounting for 2 percent of the total mass of the colloidal microspheres into 35 percent (calculated by solid content) of polymethyl methacrylate (PMMA) microsphere colloidal microspheres with the particle size of 280nm and the monodispersion index (PDI) of 0.07, and then heating and stirring for 20min at 70 ℃; stirring the prepared finishing liquid at 10000r/min for 30min, placing the mixture in a gravure printing machine, printing patterns on a black polyester-cotton fabric substrate, taking out the printed black polyester-cotton fabric, and carrying out hot baking treatment at 80 ℃ for 60s to obtain the bright and stable orange-red photonic crystal structure chromogenic textile.
Example 5:
at room temperature, adding a structure stabilizer self-crosslinking water-based acrylate accounting for 4% of the total mass of the colloidal microspheres, a surfactant alkylphenol polyoxyethylene ether (OP-10) accounting for 3% of the total mass of the colloidal microspheres and a thickener Sodium Alginate (SA) accounting for 2.5% of the total mass of the colloidal microspheres in sequence into 30% (by solid content) of silicon dioxide-polystyrene composite microspheres with the particle size of 180nm and the monodispersion index (PDI) of 0.06, and then heating and stirring for 20min at 70 ℃; stirring the prepared finishing liquid at 10000r/min for 30min, placing the mixture in a gravure printing machine, printing patterns on a black polyester non-woven fabric substrate, taking out the printed black polyester non-woven fabric, and carrying out hot baking treatment at 80 ℃ for 60s to obtain the bright and gorgeous color-producing textile with the purple photonic crystal structure.
Example 6:
at room temperature, 25 percent (by solid content) of polystyrene microsphere (PSt) colloid microsphere with the particle diameter of 220nm and the monodispersion index (PDI) of 0.03 is added with a structure stabilizer self-crosslinking aqueous polyacrylate accounting for 5 percent of the total mass of the colloid microsphere, 1 percent of surfactant Sodium Dodecyl Sulfate (SDS) and 0.5 percent of thickener Sodium Alginate (SA) in sequence, and then heated and stirred for 20min at 70 ℃; and stirring the prepared finishing liquid at 10000r/min for 30min, placing the mixture in a nano material printer, printing patterns on a black polyester fabric substrate, taking out the printed black polyester fabric, and carrying out hot baking treatment at 80 ℃ for 60s to obtain the bright and high-stability bluish violet photonic crystal structure chromogenic textile.
Comparative example 1:
heating and stirring 25% (by solid content) of polystyrene microsphere (PSt) colloidal microspheres with particle size of 240nm and monodispersion index (PDI) of 0.05 at 70 ℃ for 20min at room temperature; stirring the colloidal microspheres at 10000r/min for 30min, placing the mixture in a gravure printing machine, printing patterns on a black polyester fabric substrate, taking out the printed black polyester fabric, and carrying out hot baking treatment at 80 ℃ for 60s to obtain the bright-colored greenish photonic crystal structure chromogenic textile.
The textiles obtained in the above examples and comparative examples were tested for color forming effect, binding fastness and stability of photonic crystals by surface condition observation and folding and bending test, and washing test.
In the folding and bending test, one end of the obtained textile is folded and bent from the horizontal direction until the other end of the textile is touched, and a video microscope and a digital camera are applied to observe the structural color of the surface of the textile and the change condition of the photonic crystal before and after the textile is folded and bent. In a washing test, the obtained textile is placed in an oscillation water bath kettle with the water temperature of 60 ℃, oscillation washing is carried out for 30min, and a video microscope and a digital camera are applied to observe and observe the structural color of the textile surface and the change condition of the photonic crystal before and after washing. The results of the experiments are shown in the following table:
TABLE 1 Photonic Crystal bond Strength and stability test results
Figure BDA0001925661890000081
Figure BDA0001925661890000091
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. A structural color-generating finishing liquor for preparing high-stability photonic crystals is characterized by comprising colloidal microspheres with the solid content of 25% -40%, a structural stabilizer accounting for 2% -5% of the total mass of the colloidal microspheres, 1% -3% of a surfactant and 0.5% -2% of a thickening agent.
2. The color-generating finishing liquor according to claim 1, characterized in that the particle size of the colloidal microspheres is in the range of 180-350 nm.
3. The color-generating finishing liquor according to claim 1, characterized in that the colloidal microspheres are Silica (SiO)2) Microspheres, titanium dioxide (TiO)2) Any one of microspheres, polystyrene (PSt) microspheres, polymethyl methacrylate (PMMA) microspheres, poly (styrene-methacrylic acid) (P (St-MAA)) microspheres, poly (styrene-methyl methacrylate-methacrylic acid) (P (St-MMA-MAA)) microspheres, and silica-polystyrene composite microspheres.
4. The color-developing finishing liquor according to claim 1, characterized in that the structure stabilizer is any one of self-crosslinking aqueous polyacrylate and self-crosslinking aqueous polyurethane.
5. The color-developing finishing liquor according to claim 1, characterized in that the surfactant is any one of Sodium Dodecyl Sulfate (SDS), sodium dodecyl sulfate (AS), sodium dodecyl polyoxyethylene ether sulfate (AES), and alkylphenol polyoxyethylene ether (OP-10).
6. The color-developing finishing liquid according to claim 1, wherein the thickener is any one of carboxymethyl cellulose (CMC), Glycerol (GL) and Sodium Alginate (SA).
7. Use of the chromogenic finishing liquor as claimed in any one of claims 1 to 6 for the preparation of patterned highly stable photonic crystal chromogenic structures on textile substrates.
8. Use according to claim 7, characterized in that it comprises the following steps:
(1) preparing structural color-generating finishing liquid, wherein the finishing liquid comprises colloidal microspheres with the solid content of 25-40%, structural stabilizer accounting for 2-5% of the total mass of the colloidal microspheres, 1-3% of surfactant and 0.5-2% of thickener;
(2) stirring the prepared chromogenic finishing liquid to be used as slurry to print patterns on a textile substrate;
(3) and (5) curing and shaping the textile substrate applied with the coating liquid.
9. The use according to claim 8, wherein the textile substrate in the step (2) is any one of terylene, cotton, polyester-cotton, silk fabric and polyester and polypropylene non-woven fabric.
10. The use according to claim 8, wherein the curing and shaping in the step (3) are carried out by baking at 80 ℃ for 60 s.
CN201811615125.XA 2018-12-27 2018-12-27 Structural color-generating finishing liquid for preparing high-stability photonic crystal and application Pending CN111379174A (en)

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CN113105769A (en) * 2021-04-09 2021-07-13 哈尔滨工业大学（深圳） Coatable and sprayable structural color slurry and preparation method thereof
CN114164661A (en) * 2021-11-26 2022-03-11 浙江理工大学 Large-area preparation method of high-stability high-saturation photonic crystal structure color-generating fabric
CN114808454A (en) * 2022-05-05 2022-07-29 苏州大学 Amorphous colloid array structure yarn-dyed fabric and preparation method thereof
CN115094645A (en) * 2022-07-15 2022-09-23 浙江理工大学 Rapid large-area preparation method of bionic photonic crystal structure color-generating fabric
CN115233473A (en) * 2022-07-08 2022-10-25 浙江理工大学 Screen printing preparation method of patterned photonic crystal structure color-generating fabric with scintillation effect
CN115287919A (en) * 2022-08-21 2022-11-04 浙江理工大学 Method for preparing patterned photonic crystal structure chromogenic fabric with iridescent effect by screen printing
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CN115558145A (en) * 2022-08-17 2023-01-03 浙江理工大学 Method for preparing photonic crystal structure chromogenic material by spray coating method

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CN114164661A (en) * 2021-11-26 2022-03-11 浙江理工大学 Large-area preparation method of high-stability high-saturation photonic crystal structure color-generating fabric
CN114164661B (en) * 2021-11-26 2024-04-19 浙江理工大学 Large-area preparation method of high-stability high-saturation photonic crystal structure chromogenic fabric
CN114808454A (en) * 2022-05-05 2022-07-29 苏州大学 Amorphous colloid array structure yarn-dyed fabric and preparation method thereof
CN115233473A (en) * 2022-07-08 2022-10-25 浙江理工大学 Screen printing preparation method of patterned photonic crystal structure color-generating fabric with scintillation effect
CN115094645A (en) * 2022-07-15 2022-09-23 浙江理工大学 Rapid large-area preparation method of bionic photonic crystal structure color-generating fabric
CN115094645B (en) * 2022-07-15 2024-04-30 浙江理工大学 Rapid large-area preparation method of bionic photonic crystal structure chromogenic fabric
CN115354511A (en) * 2022-08-09 2022-11-18 浙江理工大学 Three-dimensional printed fabric and preparation method thereof
CN115558145A (en) * 2022-08-17 2023-01-03 浙江理工大学 Method for preparing photonic crystal structure chromogenic material by spray coating method
CN115558145B (en) * 2022-08-17 2023-12-22 浙江理工大学 Method for preparing photonic crystal structure chromogenic material by spraying method
CN115287919A (en) * 2022-08-21 2022-11-04 浙江理工大学 Method for preparing patterned photonic crystal structure chromogenic fabric with iridescent effect by screen printing

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