CN107497649A - The preparation method of the non crystalline structure color coating of color addition - Google Patents
The preparation method of the non crystalline structure color coating of color addition Download PDFInfo
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- CN107497649A CN107497649A CN201710959326.0A CN201710959326A CN107497649A CN 107497649 A CN107497649 A CN 107497649A CN 201710959326 A CN201710959326 A CN 201710959326A CN 107497649 A CN107497649 A CN 107497649A
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- crystalline structure
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- non crystalline
- color
- aqueous dispersions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/06—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2202/00—Metallic substrate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2203/00—Other substrates
- B05D2203/22—Paper or cardboard
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2502/00—Acrylic polymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2518/00—Other type of polymers
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- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The present invention relates to the preparation method of the non crystalline structure color coating of color addition, comprise the following steps：A diameter of 100 300nm colloid micro ball is distributed in water, obtains aqueous dispersions；Divide after aqueous dispersions are atomized and be deposited in substrate, form non crystalline structure color coating, then the aqueous dispersions of another sized microspheres after Multiple depositions atomization are continued in non crystalline structure color coating surface, so that the coating deposited every time overlaps with the coating deposited before, the non crystalline structure color coating of color addition is formed.For the present invention using the method for being atomized colloid micro ball aqueous dispersions, colloid micro ball is formed the color that shortrange order, the structure of longrange disorder, and this structure are presented in substrate does not have dependence of angle.The method mild condition of the present invention, can preferably control the deposit thickness of coating, harmless to substrate, form multi-layer compound structure.
Description
Technical field
The present invention relates to the non crystalline structure color coating of schemochrome coat preparing technology field, more particularly to a kind of color addition
Preparation method.
Background technology
Schemochrome is that a kind of physics adds lustre to phenomenon, and a series of interference, diffraction, scattering etc. occurs by light and microstructure in it
Act on and formed.Schemochrome has the characteristics of color stability, will never fade, and moreover, it avoids what chemical staining was brought
Environmental pollution, had broad application prospects in fields such as fiber, cosmetics, display material and sensors.
Schemochrome is broadly divided into photonic crystal and the major class of amorphous photonic crystal two.Photonic crystal is Jie by different refractivity
The micro-structural that matter periodic arrangement forms, color is highly controllable, but has larger dependence of angle, that is to say due to the cycle
Property reflection or scattering process of the ordered structure to the light of different wave length to different directions, so as to be observed in different angles
To different colors, this application for the field such as developing the color, sensing is very unfavorable.And amorphous photonic crystal is one kind has
The structure of shortrange order and longrange disorder, there is obvious non-rainbow effect, have widely application latent in fields such as weavings
Power.
The currently used photonic crystal and the method for amorphous photonic crystal of preparing is colloidal self-assembly, its simple and effective, is made
With extensive.Monodisperse silica (SiO2) and polystyrene (PS) microballoon be the most frequently used preparation structure color amorphous photonic crystal
Material.For photonic crystal and amorphous photonic crystal, a kind of color is can be only formed using a kind of nanoparticle of size,
And want to produce the microballoon that more colors have to correspondingly-sized, this just needs more materials to obtain more face
Color.
Using limited material, start with from assemble method and be superimposed with the nanoparticle of two or more sizes to realize color
Superposition be mixed to form new color, the non crystalline structure color that especially non-angular relies on is significant.But it can realize at present
The schemochrome of color addition mixing is all photonic crystal, and for the mixing of non crystalline structure color color addition also without the document of correlation
Report.The even folded structures of photonic crystal, also mostly is LBL self-assembly, layer transfer method, gravity self assembly etc., these methods
The experiment condition of harshness, longer experimental procedure and cumbersome process are required for, while the requirement to template or substrate is more severe
Carve, often require that substrate has smooth surface, significantly limited in actual applications, controllability is relatively low.
The content of the invention
In order to solve the above technical problems, it is an object of the invention to provide a kind of system of the non crystalline structure color coating of color addition
Preparation Method, the present invention form multi-layer compound structure using the method for color addition mixing, mild condition, can preferably control coating
Deposit thickness, it is harmless to substrate, colloid micro ball is formed shortrange order in substrate, the structure of longrange disorder, and this
The color that structure is presented does not have dependence of angle.
The invention provides a kind of preparation method of the non crystalline structure color coating of color addition, comprise the following steps：
(1) a diameter of 100-300nm colloid micro ball is distributed in water, obtains aqueous dispersions；
(2) divide after aqueous dispersions are atomized and be deposited in substrate, non crystalline structure color coating is formed, then in amorphous knot
Structure color coating surface continues the aqueous dispersions after Multiple depositions atomization so that the coating deposited every time has with the coating deposited before
Partly overlap, form the non crystalline structure color coating of color addition, wherein, in the aqueous dispersions after the atomization of Multiple depositions, colloid
At least two kinds of the diameter of microballoon.
Further, in step (1), colloid micro ball is polymer microballoon, and polymer microballoon is polystyrene microsphere
And/or polymethyl methacrylate microballoon (PMMA) (PS).
Further, in step (1), colloid micro ball is inorganic nano-particle microballoon, and inorganic nano-particle microballoon is two
Silicon oxide microsphere (SiO2)。
Further, in step (1), in aqueous dispersions, the mass fraction of colloid micro ball is 1%-4%.
Further, in step (2), the particle diameter of the drop after aqueous dispersions atomization is 1-5 μm.
Further, in step (2), nebulisation time is not less than 10-15min.
Further, in step (2), the material of substrate is brown paper or metal etc..
Further, in step (2), the coating layer thickness deposited every time is 1-4 μm.
Further, in step (2), in addition to the step of dry to obtain the non crystalline structure color coating of color addition.Such as
The paler colour of fruit coating, redeposition after aqueous dispersions can be atomized again, to reach relatively good effect.
By such scheme, the present invention at least has advantages below：
The invention discloses the method for atomization colloid micro ball aqueous dispersions, makes the colloid micro ball of the nanometer particle size shape in substrate
Into shortrange order, the color that the structure of longrange disorder, and this structure are presented does not have dependence of angle.Meanwhile this method
Mild condition, preferable control can be realized to depositing coating thickness, it is harmless to substrate, can be secondary on last layer coating
Various sizes of microballoon is deposited, forms multi-layer compound structure.Nanoparticle in every layer is all non crystalline structure, and layer and layer it
Between there is obvious line of demarcation.Finally, these composite structure coatings produce corresponding according to various sizes of microballoon used
Mixing superposition color.This method does not need harsh deposition, assembling condition, quick and efficient, limited material can be used to realize
Complicated blend of colors purpose.This method cost is cheap simultaneously, simple and easy to do, in the coloring field of display, sensing and material tool
Have broad application prospects.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
Brief description of the drawings
Fig. 1 is the three kinds of sized nanostructures SiO of the embodiment of the present invention 12The non crystalline structure color of color addition prepared by microballoon applies
The optical photograph of layer；
Fig. 2 is the three kinds of sized nanostructures SiO of the embodiment of the present invention 12The non crystalline structure color of color addition prepared by microballoon applies
The reflectance spectrum of layer different zones；
Fig. 3 is the two kinds of sized nanostructures SiO of the embodiment of the present invention 22The non crystalline structure color of color addition prepared by microballoon applies
The optical photograph of layer；
Fig. 4 is the two kinds of sized nanostructures SiO of the embodiment of the present invention 22The non crystalline structure color of color addition prepared by microballoon applies
The reflectance spectrum of layer different zones；
Fig. 5 is the two kinds of sized nanostructures SiO of the embodiment of the present invention 22The non crystalline structure color of color addition prepared by microballoon applies
The thickness of layer different zones；
Fig. 6 is the two kinds of sized nanostructures SiO of the embodiment of the present invention 22The non crystalline structure color of color addition prepared by microballoon applies
The SEM pictures in layer region III sections.
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but is not limited to the scope of the present invention.
Embodiment 1
(1) by a diameter of 167nm SiO2It is distributed in water, prepares the aqueous dispersions that mass fraction is 1%.Take on 2ml
Aqueous dispersions are stated, loads ordinary ultrasonic atomizer, using general black brown paper as substrate, brown paper is positioned over to the gas of atomization
Middle 20min, deposit thickness are 4 μm, are then dried completely, form the first layer non crystalline structure color coating of circle, it is in non-angular
The blueness of dependence.Wherein, atomization condition is normal temperature, speed >=0.3ml/min.
(2) by a diameter of 236nm SiO2It is distributed in water, prepares the aqueous dispersions that mass fraction is 1% respectively.Take
The above-mentioned aqueous dispersions of 2ml, load ordinary ultrasonic atomizer, according to the condition of step (1), on first layer non crystalline structure color coating
Aqueous dispersions after deposition atomization, deposit thickness are 4 μm, form the second layer non crystalline structure color coating of circle, wherein, the second layer
Non crystalline structure color coating overlaps with first layer non crystalline structure color coating, i.e., second layer non crystalline structure color coating some
Directly with first layer non crystalline structure color coating layer touch the cyan of non-angular dependence (its be in), some is directly and substrate contact
(it is in the green of non-angular dependence).
(3) by a diameter of 279nm SiO2It is distributed in water, prepares the aqueous dispersions that mass fraction is 1% respectively.Take
The above-mentioned aqueous dispersions of 2ml, load ordinary ultrasonic atomizer, according to the condition of step (1), on second layer non crystalline structure color coating
Aqueous dispersions after deposition atomization, deposit thickness are 4 μm, form the third layer non crystalline structure color coating of circle, wherein, third layer
Non crystalline structure color coating overlaps with first layer and second layer non crystalline structure color coating, i.e., third layer non crystalline structure color applies
Layer some directly with first layer non crystalline structure color coating layer touch the purple of non-angular dependence (its be in), some is direct
With the second layer non crystalline structure color coating layer touch yellow of non-angular dependence (its be in), some directly with substrate contact (its
In the pink colour of non-angular dependence).Ultimately form the non crystalline structure color coating of the color addition of composite construction.
The optical photograph of the non crystalline structure color coating of the color addition of the composite construction of above-mentioned preparation is as shown in figure 1, wherein
First layer non crystalline structure color coating, second layer non crystalline structure color coating, third layer non crystalline structure color directly with substrate contact apply
Layer coating is respectively labeled as region " A ", " B " and " C ".First layer non crystalline structure color coating and second layer non crystalline structure color coating
Overlap-add region is designated as A＆B, and the overlap-add region of first layer non crystalline structure color coating and second layer non crystalline structure color coating is designated as A＆C,
The overlap-add region of second layer non crystalline structure color coating and third layer non crystalline structure color coating is designated as B＆C, first layer non crystalline structure color
The overlap-add region of coating, second layer non crystalline structure color coating and third layer non crystalline structure color coating coating is designated as A＆B＆C.Fig. 2 is
The reflectance spectrum of above-mentioned different zones.As a result show, different regions has different reflection wavelengths, illustrates its color difference.
Embodiment 2
(1) by a diameter of 167nm SiO2It is distributed in water, prepares the aqueous dispersions that mass fraction is 1%.Take on 2ml
Aqueous dispersions are stated, loads ordinary ultrasonic atomizer, using general black brown paper as substrate, brown paper is positioned over to the gas of atomization
Middle 10min, deposit thickness are 2 μm, then dry completely, form the first layer non crystalline structure color coating of rectangle, it is in non-angular
The cyan of dependence.Wherein, atomization condition is normal temperature, speed >=0.3ml/min.
(2) by a diameter of 236nm SiO2It is distributed in water, prepares the aqueous dispersions that mass fraction is 1% respectively.Take
The above-mentioned aqueous dispersions of 2ml, load ordinary ultrasonic atomizer, according to the condition of step (1), on first layer non crystalline structure color coating
Aqueous dispersions after deposition atomization, form the second layer non crystalline structure color coating of rectangle.Wherein, first layer non crystalline structure color coating
Thickness in I, II, III, IV region keeps constant, is 2 μm.Second layer non crystalline structure color coating is in II, III, IV region and the
One stacking adds, and wherein second layer non crystalline structure color coating increases successively in II, III, IV thickness.V regions reflect the second layer
The situation that coating is not superimposed with first layer, it is control group as I regions.Wherein, region I is navy blue, region II, III, IV
Blueness shoal successively, region V for green.
Figure 4, it can be seen that different zones have different reflection wavelengths, illustrate that it has different colors.Can from Fig. 5
Find out, different zones have different superposition thickness, illustrate the deposit thickness of the microballoon of the second layer and can influence non crystalline structure color
The color of coating, the color that is to say superposition are fine adjustable.As can be seen from Figure 6, two superimposed layers have obvious point
Boundary line, each layer still remain original non crystalline structure.
Described above is only the preferred embodiment of the present invention, is not intended to limit the invention, it is noted that for this skill
For the those of ordinary skill in art field, without departing from the technical principles of the invention, can also make it is some improvement and
Modification, these improvement and modification also should be regarded as protection scope of the present invention.
Claims (8)
1. the preparation method of the non crystalline structure color coating of a kind of color addition, it is characterised in that comprise the following steps：
(1) a diameter of 100-300nm colloid micro ball is distributed in water, obtains aqueous dispersions；
(2) it is deposited on after the aqueous dispersions are atomized in substrate, non crystalline structure color coating is formed, then in the amorphous
Schemochrome coating surface continues the aqueous dispersions after Multiple depositions atomization so that the coating deposited every time and the coating deposited before
Overlap, form the non crystalline structure color coating of the color addition, wherein, the aqueous dispersions after the atomization of Multiple depositions
In, at least two kinds of the diameter of colloid micro ball.
2. the preparation method of the non crystalline structure color coating of color addition according to claim 1, it is characterised in that：In step
(1) in, the colloid micro ball is polymer microballoon, and the polymer microballoon is polystyrene microsphere and/or polymethylacrylic acid
Formicester microballoon.
3. the preparation method of the non crystalline structure color coating of color addition according to claim 1, it is characterised in that：In step
(1) in, the colloid micro ball is inorganic nano-particle microballoon, and the inorganic nano-particle microballoon is silicon dioxide microsphere.
4. the preparation method of the non crystalline structure color coating of color addition according to claim 1, it is characterised in that：In step
(1) in, in the aqueous dispersions, the mass fraction of colloid micro ball is 1%-4%.
5. the preparation method of the non crystalline structure color coating of color addition according to claim 1, it is characterised in that：In step
(2) in, the particle diameter of the drop after the aqueous dispersions atomization is 1-5 μm.
6. the preparation method of the non crystalline structure color coating of color addition according to claim 1, it is characterised in that：In step
(2) in, nebulisation time is not less than 10-15min.
7. the preparation method of the non crystalline structure color coating of color addition according to claim 1, it is characterised in that：In step
(2) in, the material of substrate is brown paper or metal.
8. the preparation method of the non crystalline structure color coating of color addition according to claim 1, it is characterised in that：In step
(2) in, the coating layer thickness deposited every time is 1-4 μm.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109575696A (en) * | 2018-06-27 | 2019-04-05 | 宜华生活科技股份有限公司 | Woodwork nano-cellulose-polyurethane iris schemochrome coating preparation method |
| CN111468375A (en) * | 2020-03-10 | 2020-07-31 | 浙江工业大学 | Rapid preparation method of angle-dependence-free structural color material |
| CN112058606A (en) * | 2020-08-27 | 2020-12-11 | 苏州宏琦材料科技有限公司 | Preparation method of structural color optical coating |
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Cited By (4)
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|---|---|---|---|---|
| CN109575696A (en) * | 2018-06-27 | 2019-04-05 | 宜华生活科技股份有限公司 | Woodwork nano-cellulose-polyurethane iris schemochrome coating preparation method |
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| CN111468375A (en) * | 2020-03-10 | 2020-07-31 | 浙江工业大学 | Rapid preparation method of angle-dependence-free structural color material |
| CN112058606A (en) * | 2020-08-27 | 2020-12-11 | 苏州宏琦材料科技有限公司 | Preparation method of structural color optical coating |
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Application publication date: 20171222 |