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Method for preparing fiber film with structural color

A fiber film and structural color technology, applied in the field of fiber textiles, can solve the problems of high cost, complicated manufacturing process, and inability to mass-produce and apply, and achieve the effect of low cost and simple raw materials

Active Publication Date: 2012-06-27
SUZHOU BEST COLOR ENVIRONMENTAL PROTECTION NANOTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] At present, the structural chromogenic fiber, the Morphotex fiber [US6,326,094] developed by Teijin Corporation, strictly selects a high polymer with a certain refractive index and calculates the thickness of each layer, so that when the fiber thin layer interferes with light, the fiber of each layer is thin. The multi-layer film interference structure color fiber obtained by imitating butterfly wings cannot be mass-produced and applied due to its complicated manufacturing process and high cost. Color is highly dependent on viewing angle
[0007] Skorobogatiy M. et al. based on the traditional optical fiber, by designing the refractive index difference between the inner and outer layers, only light with a narrow wavelength leaks (emits) from the optical fiber, thereby producing different colors [Gauvreau B, Guo N, Schicker K, Stoeffler K, Boismenu F, Ajji A, Wingfield R, Dubois C, Skorobogatiy M. Color-changing and color-tunable photonic bandgap fiber textiles. Optics Express, 2008, 16(20): 15677-15693.], but the disadvantage is that a light source must be provided, instead of relying on the reflection of ambient light

Method used

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  • Method for preparing fiber film with structural color
  • Method for preparing fiber film with structural color
  • Method for preparing fiber film with structural color

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preparation example Construction

[0029] The embodiment of the present invention discloses a method for preparing a structural color fiber film, which includes the following steps:

[0030] (1) preparing a colloidal emulsion containing polymer microspheres;

[0031] (2) Add linking agent and TritonX-100 and mix evenly to obtain a mixed solution;

[0032] (3) Electrospinning the mixed solution to obtain colloidal crystal fibers;

[0033] (4) removing the linking agent in the colloidal crystal fiber to obtain the structural color fiber film.

[0034] Step (1) is the same as the process used to prepare the suspension of photonic crystal particles, so the polymer microspheres used in the embodiment of the present invention can be silica microspheres, polystyrene microspheres and polymethyl methacrylate microspheres. One of the balls, it can also be a mixture of silica microspheres and polystyrene microspheres. As long as it is a polymer microsphere that can be used to prepare photonic crystals, it can be used i...

Embodiment 1

[0041] 1. By emulsion polymerization, polystyrene microspheres with a diameter of 230 nm are prepared, and then concentrated into a colloidal emulsion with a concentration of 40%.

[0042]2. Take 1g of colloidal emulsion, then add 0.62g of PVA solution with a mass concentration of 13%, and then add 0.012g of Triton X-100, stir by magnetic force, so that PVA and polystyrene microspheres are evenly mixed to obtain a mixed solution.

[0043] 3. Put the obtained mixed solution into a 5ml plastic syringe for electrospinning. The specific parameters are: high voltage 10kv; receiving distance 15cm; capillary inner diameter 0.3mm; liquid feeding rate 0.5ml / h. Control the environmental conditions around the electrospinning: 25°C, 50%-55% relative humidity. The electrospinning time was 5min to obtain uniform colloidal crystal fibers. figure 2 shown.

[0044] 4. Put the colloidal crystal fiber into deionized water, soak it for 24 hours, then take it out, and dry it naturally to get a...

Embodiment 2

[0048] 1. By emulsion polymerization, polystyrene microspheres with a diameter of 260 nm are prepared, and then concentrated into a colloidal emulsion with a concentration of 40%.

[0049] 2. Take 1g of colloidal emulsion, then add 0.62g of PVA solution with a mass concentration of 13%, and then add 0.012g of Triton X-100, stir by magnetic force, so that PVA and polystyrene microspheres are evenly mixed to obtain a mixed solution.

[0050] 3. Put the obtained mixed solution into a 5ml plastic syringe for electrospinning. The specific parameters are: high voltage 10kv; receiving distance 15cm; capillary inner diameter 0.3mm; liquid feeding rate 0.5ml / h. Control the environmental conditions around the electrospinning: 25°C, 50%-55% relative humidity. The electrospinning time was 5min, and uniform colloidal crystal fibers were obtained.

[0051] 4. Put the colloidal crystal fiber into deionized water, soak it for 24 hours, then take it out, and dry it naturally to get a green s...

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Abstract

The invention discloses a method for preparing a fiber film with structural color, which comprises preparing colloidal emulsion containing polymer microspheres; adding a coupling agent and Triton X-100, and completely mixing to obtain a mixed solution; electrospinning the mixed solution to obtain colloidal crystal fiber; and removing the coupling agent in the colloidal crystal fiber to obtain the fiber film with structural color. The invention expands coherent diffraction between light and a planar interface of a photonic crystal slab to a cylindrical interface of photonic crystal fiber, forms the photonic crystal fiber by using colloidal nanospheres via self-assembly, and prepares environmentally-friendly chemical dye-free fiber with structural color. The method of the invention has advantages of simple raw material, low cost and large-scale preparation, is free from being influenced by viewing angles, and is independent of reflection of environmental light.

Description

technical field [0001] The invention relates to a method for preparing fibers, in particular to a method for preparing structurally colored fiber films, and belongs to the field of fiber textiles. Background technique [0002] my country is a big country in the textile industry. At present, the main way for textiles to produce color is to absorb dyes or fix pigments on the surface of fibers and fabrics, that is, the printing and dyeing process. Sewage has led to the shortcomings of high pollution, high energy consumption, and low resource utilization in the traditional textile printing and dyeing industry. [0003] The colorful colors in nature, in addition to pigment colors, that is, pigment molecules exhibit different colors by selectively absorbing, reflecting and transmitting light of specific frequencies, there are also a large number of structural colors, that is, the colors produced by light interference, diffraction and scattering . Such as: peacock feathers, butter...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D04H1/728D01D1/02D01F11/06D01F11/08D01F11/04
Inventor 张克勤袁伟
Owner SUZHOU BEST COLOR ENVIRONMENTAL PROTECTION NANOTECH CO LTD
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