CN101781860B - Color-changeable fabric as well as preparation and application - Google Patents
Color-changeable fabric as well as preparation and application Download PDFInfo
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- CN101781860B CN101781860B CN2009102002532A CN200910200253A CN101781860B CN 101781860 B CN101781860 B CN 101781860B CN 2009102002532 A CN2009102002532 A CN 2009102002532A CN 200910200253 A CN200910200253 A CN 200910200253A CN 101781860 B CN101781860 B CN 101781860B
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Abstract
The invention discloses a novel color-changeable fabric as well as preparation and application. In the invention, an optical grating micro-structure is designed by using an optical grating vector diffraction principle and a strict coupled wave calculation theory, light is irradiated on the micro-structure with a certain angle to generate diffractions with low levels, the levels of the diffractions are different, and the wavelengths (the color) of light waves are also different. Through tightly combining the micro-structure with the surface of the fabric, the color-changeable fabric can be prepared, and the color of the color-changeable fabric is changed along with the movement of a wearer or the change of the watching angle of an observer. The color-changeable fabric is prepared by using a vacuum coating film technology and a mould-pressing copying technology, can be used for preparing clothes or home textiles, and overcomes the limitation that normal color-changeable clothes change the color along with the brightness of light sources or the temperature change.
Description
Technical field
The present invention relates to color-changeable fabric, be specifically related to utilize a kind of novel color-changeable fabric of variable color grating diffraction principle design, this fabric adopts vacuum coating technology and the preparation of moulding replication technology.
Background technology
Living standard has improved, and personalized requirement has also strengthened people to clothes, and the variable color clothing novelty that can change color is interesting, just receives liking of people once releasing.
Existing in the market variable color clothing mainly is divided into two types in photosensitive colour-changing clothing and heat-sensitive variable colour clothing.Change in color can take place along with the power of sunlight in the photosensitive colour-changing clothing, and the heat-sensitive variable colour clothing then is colorific variation along with variation of temperature.
The manufacturing of photosensitive colour-changing clothing, a kind of method are in fiber, to introduce to have photosensitive colour-changing property compound, and another kind of method is the polymer spinning of synthetic ability variable color.The manufacturing of heat-sensitive variable colour clothing, a kind of method are that the heat-sensitive variable colour agent is filled into fibrous inside, and another kind is that the polymer solution that contains the heat-sensitive variable colour microcapsules is applied to fiber surface, and also having a kind of is that the heat sensitization compound is mixed in dyestuff, on the fabric of printing and dyeing again.
The change color of photosensitive colour-changing clothing and heat-sensitive variable colour clothing receives the restriction of light source and temperature, and the present invention proposes a kind of color-changeable fabric of micro-structural variable color, can under light source and temperature-resistant situation, realize variable color.
Summary of the invention
The objective of the invention is under light source variation or variations in temperature, could take place the limitation of change color at present existing variable color clothing; A kind of novel color-changeable fabric is provided; This fabric can be under the constant situation of light source, color with the wearer move or the variation of observer's viewing angle changes.
The present invention adopts the grating vector diffraction principle, utilizes the strict coupled wave theory of computation, designs a kind of grating micro-structural, and light with certain angular illumination rudimentary time diffraction takes place on this micro-structural, the order of diffraction time difference, and the color of light is also different.This micro-structural and fabric face are combined closely, process color-changeable fabric.
The invention provides a kind of color-changeable fabric, a side surface of the said fabric photochromic layer of having combined closely, the structure of said photochromic layer is to accompany a variable color grating micro-structural between the two-layer TPE film.Color-changeable fabric of the present invention causes that through time variation of the grating micro-structural order of diffraction diffraction optical wavelength changes.
The material of said variable color grating micro-structural is the ZnS film, and micro-structural tectal material up and down is thermoplastic elastomer (TPE) (TPE) film.
The grating cycle of said variable color grating micro-structural is 0.4 μ m, and groove depth is 0.3 μ m.Further, the dutycycle of said variable color grating micro-structural is 1: 1, and grating piston ring land refractive index is 2.3.
Dutycycle is meant the width ratio of grating groove piston ring land and grating groove groove.
Said fabric is the various existing linings that can be used for preparing clothes.
Instance of the present invention has specifically been enumerated a color-changeable fabric, its ZnS film gross thickness 0.6 μ m, the cycle 0.4 μ m of variable color grating micro-structural, dutycycle 1: 1, refractive index 2.3, grating groove deep 0.3 μ m.
The present invention further discloses the preparation method of above-mentioned color-changeable fabric, comprise the following steps:
1) at the compound one deck thermoplastic elastomer (TPE) of fabric face (TPE) film,
2) form the ZnS film on the TPE surface through vacuum coating method then;
3) adopt the reproduction technology of mold pressing to be compressed on the ZnS film variable color grating micro-structural that designs.
4) compound again one deck thermoplastic elastomer (TPE) (TPE) film on ZnS film micro-structural.
Concrete method is:
1) at fabric face elder generation compound one deck thermoplastic elastomer (TPE) (TPE) film, thickness 1-10 μ m.
2) the fabric of compound TPE layer, put into the thermal evaporation coating machine, use the optical thickness monitor mode, at TPE surface plating one deck ZnS of fabric film, thickness 0.6 μ m.
3) prepare variable color grating micro-structural mother matrix with holographic exposure, ion beam reaction etching mode, the mother matrix structural parameters are: cycle 0.4 μ m, dutycycle 1: 1, grating piston ring land refractive index 1.52, grating groove deep 0.3 μ m.
4) use the micro-structural mother matrix, in ZnS film overmolded micro-structural.The parameter of the micro-structural after the mold pressing is cycle 0.4 μ m, dutycycle 1: 1, grating piston ring land refractive index 2.3, grating groove deep 0.3 μ m.
5) compound again one deck thermoplastic elastomer (TPE) (TPE) film on ZnS film micro-structural, thickness 1-10 μ m.
Color-changeable fabric of the present invention can be used for preparing clothes, cloth art etc.
The present invention adopts variable color grating diffraction principle, utilizes the vector diffraction coupled-mode theory to design a kind of micro-structural, and illumination on this micro-structural diffraction takes place, and the inferior diffraction light of each order of diffraction has obvious color distortion.Micro-structural and fabric face combined closely make the variable color clothing, the color of variable color clothing with the wearer move or the variation of beholder's viewing angle changes.
Description of drawings
Fig. 1 is a micro-structural generalized section of the present invention.
1. fabric, 2. thermoplastic elastomer (TPE) (TPE) film 3.ZnS micro-structural.
Fig. 2 is a variable color optical grating diffraction sketch map.
0 order diffraction efficient when Fig. 3 is 10 ° of incident light incident angles
Fig. 4 is 10 ° of time-1 of incident light incident angle order diffraction efficient
The specific embodiment
Embodiment 1
A kind of micro-structural method of variable color clothing,
(1) get 1 one of knit goodss, area size 10cm*10cm uses the compound one deck TPE of some glue complex technique film 2 (thickness 8 μ m) at fabric face.
(2) the fabric of compound TPE layer 2, put into the thermal evaporation coating machine, use the optical thickness monitor mode, at TPE surface plating one deck ZnS of fabric film 3, thickness 0.6 μ m.
(3) get 5cm*5cm of quartz substrate, prepare the quartzy mother matrix of variable color grating micro-structural with holographic exposure, ion beam milling mode, the mother matrix structural parameters are: cycle 0.4 μ m, dutycycle 1: 1, grating piston ring land refractive index 1.52, grating groove deep 0.3 μ m.
(4) use the micro-structural mother matrix, in ZnS film overmolded micro-structural 3.The parameter of the micro-structural after the mold pressing is cycle 0.4 μ m, dutycycle 1: 1, grating piston ring land refractive index 2.3, grating groove deep 0.3 μ m.
(5) compound again one deck thermoplastic elastomer (TPE) (TPE) film 2 on ZnS film micro-structural, thickness 8 μ m.
Above-mentioned micro-structural is clipped in up and down among the two-layer TPE; The elasticity of TPE, mechanical strength have guaranteed that this variable color micro-structural can satisfy the requirement of variable color clothing washability, folding resistance; After washing 50 times, variable color microstructured layers and fabric break away from, and the variable color microstructured layers does not wear and tear.
The sputtering ZnS micro-structural adopts the reproduction technology of mold pressing, and the micro-structural that designs is compressed on the ZnS film, and low cost is duplicated in enormous quantities.
When 10 ° of angles of incident light, 0 order diffraction efficient is as shown in Figure 3, is the visible light wave range of 0.4 μ m～0.77 μ m at wavelength, and wavelength is that the ruddiness diffraction efficiency of 0.68 μ m is the highest, and 0 order diffraction takes on a red color so human eye is looked.
-1 order diffraction efficient is as shown in Figure 4, is the visible light wave range of 0.4 μ m～0.77 μ m at wavelength, and the light diffraction efficiency of wavelength 0.42 μ m is the highest, and-1 order diffraction is purple so human eye is looked.
Claims (7)
1. color-changeable fabric, a side surface of said fabric photochromic layer of having combined closely, the structure of said photochromic layer is to accompany a variable color grating micro-structural between the two layers of thermoplastic elastomer thin film; The material of said variable color grating micro-structural is the ZnS film; The grating cycle is 0.4 μ m, and groove depth is 0.3 μ m, and dutycycle is 1: 1; Grating piston ring land refractive index is 2.3, and said dutycycle is meant the width ratio of grating groove piston ring land and grating groove groove.
2. color-changeable fabric according to claim 1 is characterized in that, said color-changeable fabric time changes through the grating micro-structural order of diffraction, causes that the diffraction optical wavelength changes.
3. color-changeable fabric according to claim 1 is characterized in that the thickness of said ZnS film is 0.6 μ m.
4. be used to prepare the purposes of clothes or cloth art like the said color-changeable fabric of arbitrary claim among the claim 1-3.
5. the preparation method of a color-changeable fabric comprises the following steps:
1) at the compound one deck thermoplastic elastomer thin film of fabric face;
2) form the ZnS film on the thermoplastic elastomer thin film surface through vacuum coating method then;
3) adopt the reproduction technology of mold pressing to be compressed on the ZnS film variable color grating micro-structural;
4) compound again one deck thermoplastic elastomer thin film on ZnS film micro-structural;
The material of said variable color grating micro-structural is the ZnS film, and the grating cycle is 0.4 μ m, and groove depth is 0.3 μ m, and dutycycle is 1: 1, and grating piston ring land refractive index is 2.3;
Said dutycycle is meant the width ratio of grating groove piston ring land and grating groove groove.
6. like the preparation method of the said color-changeable fabric of claim 5, it is characterized in that said step 1) and 4) in the thickness of thermoplastic elastomer thin film be 1-10 μ m, said step 2) in the thickness of ZnS film be 0.6 μ m.
7. like the preparation method of the said color-changeable fabric of claim 5; It is characterized in that; Said step 3) is specially: prepare variable color grating micro-structural mother matrix with holographic exposure, ion beam reaction etching mode, the mother matrix structural parameters are: cycle 0.4 μ m, dutycycle 1: 1; Grating piston ring land refractive index 1.52, grating groove deep 0.3 μ m; Use variable color grating micro-structural mother matrix, in ZnS film overmolded micro-structural.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2009102002532A CN101781860B (en) | 2009-12-10 | 2009-12-10 | Color-changeable fabric as well as preparation and application |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009102002532A CN101781860B (en) | 2009-12-10 | 2009-12-10 | Color-changeable fabric as well as preparation and application |
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| Publication Number | Publication Date |
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| CN101781860A CN101781860A (en) | 2010-07-21 |
| CN101781860B true CN101781860B (en) | 2012-02-01 |
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| CN2009102002532A Expired - Fee Related CN101781860B (en) | 2009-12-10 | 2009-12-10 | Color-changeable fabric as well as preparation and application |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182076A (en) * | 2011-04-06 | 2011-09-14 | 东华大学 | Preparation of temperature and pH value double-stimulation responsive intelligent clothing fabric |
| CN103941542A (en) * | 2014-04-08 | 2014-07-23 | 昆明理工大学 | Preparation method of ultraviolet-proof cloth |
| CN104824891A (en) * | 2015-05-20 | 2015-08-12 | 海安县兄弟合成纤维有限公司 | Thermal-sensitive composite fabric |
| TWI766106B (en) | 2017-09-29 | 2022-06-01 | 荷蘭商耐克創新有限合夥公司 | Articles having structural color |
| CN109782506B (en) * | 2019-01-10 | 2021-08-03 | 上海理工大学 | Optically variable glass and optically variable suspension display device |
| CN109468591B (en) * | 2019-01-10 | 2020-11-13 | 合肥市辉耀真空材料有限责任公司 | Method for preparing colorful reflective film by vacuum evaporation process |
| EP3969947A1 (en) | 2019-06-26 | 2022-03-23 | Nike Innovate C.V. | Structurally-colored articles and methods for making and using structurally-colored articles |
| WO2021021562A1 (en) | 2019-07-26 | 2021-02-04 | Nike, Inc. | Structurally-colored articles and methods for making and using structurally-colored articles |
| US11986042B2 (en) | 2019-10-21 | 2024-05-21 | Nike, Inc. | Structurally-colored articles and methods for making and using structurally-colored articles |
| EP4107007B1 (en) | 2020-05-29 | 2023-08-30 | Nike Innovate C.V. | Structurally-colored articles and methods for making and using structurally-colored articles |
| US11889894B2 (en) | 2020-08-07 | 2024-02-06 | Nike, Inc. | Footwear article having concealing layer |
| US11129444B1 (en) | 2020-08-07 | 2021-09-28 | Nike, Inc. | Footwear article having repurposed material with concealing layer |
| US11241062B1 (en) | 2020-08-07 | 2022-02-08 | Nike, Inc. | Footwear article having repurposed material with structural-color concealing layer |
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