CN105694086A - Method for regulating saturation of red PS (polystyrene) colloidal crystal film - Google Patents
Method for regulating saturation of red PS (polystyrene) colloidal crystal film Download PDFInfo
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- CN105694086A CN105694086A CN201610078045.XA CN201610078045A CN105694086A CN 105694086 A CN105694086 A CN 105694086A CN 201610078045 A CN201610078045 A CN 201610078045A CN 105694086 A CN105694086 A CN 105694086A
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- colloidal crystal
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/06—Coating with compositions not containing macromolecular substances
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2325/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
- C08J2325/02—Homopolymers or copolymers of hydrocarbons
- C08J2325/04—Homopolymers or copolymers of styrene
- C08J2325/06—Polystyrene
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Abstract
The invention belongs to the technical field of photonic crystal structural color preparation and relates to a method for regulating saturation of a red PS (polystyrene) colloidal crystal film.The method includes: diluting PS microsphere mother liquor with the average particle size being 440+/-10mm to emulsion with PS microsphere concentration being 0.1wt%-0.5wt%, and putting in glassware to perform ultrasonic dispersion; vertically fixing an ultrasonically cleaned substrate into the dispersed PS emulsion, and putting into a drying oven to realize slow drying; using an evaporation instrument for coating the surface of the assembled PS colloidal crystal film with a carbon film 5nm-25nm in thickness to increase reflectivity in a photonic band gap and decrease reflectivity of wavelength outside the photonic band gap, so that absorption of stray light is realized.By quantitative control of the carbon film thickness to change reflectivity and absorptivity of the photonic band gap, regulation of the saturation of the red PS colloidal crystal film is realized.
Description
Technical field
The invention belongs to photonic crystal structure color preparing technical field, particularly to a kind of regulate and control red PS colloidal crystal film saturation method。
Background technology
Schemochrome, also known as physical colour, is free from color produced by the pure physical arrangement of any pigment factor。The generation of schemochrome is due to Light in Photonic Crystal band gap, the i.e. existence in forbidden band, when the scope of band gap drops in visible-range, the visible ray of characteristic frequency can not pass through this crystal, these light that can not propagate are reflected by superstructure, form coherent diffraction at the plane of crystal with periodic structure。The light of these very narrow-band, by the perception of eyes institute, just produces gorgeous schemochrome。Schemochrome is to use structure to produce color, ratio pigment more environmental protection, so substituting tradition toner, false proof and furnishing fields has very wide application prospect。
One typical use of polystyrene (PS) colloidal crystal is the application in schemochrome。The preparation method of PS colloidal crystal mainly has electronics micro Process method, laser holographic method and colloidal self-assembly method etc.。Physical preparation method generally complex, time-consuming, cost is high, needs again multiple step just can complete。By contrast, colloidal self-assembly method is a kind of simple, quick and cheap chemical preparation process。But, PS colloidal crystal structure prepared by colloidal self-assembly method inevitably introduces some random defects, the such as uncontrollable and dislocation etc. of the disappearance of stacking fault, particle, orientation, these random defects can reduce the reflectance of forbidden photon band, the light of wavelength beyond scattering forbidden band。
At present, the PS colloidal crystal film of synthetic generally goes out iris at specific angle reflection, there is certain dependence of angle, that is the color of PS colloidal crystal film is not unalterable, understand the difference of incident angle of light according to the observation and present different colors, and color is gorgeous not, saturation is low, thus limits its application。How to obtain single red PS colloidal crystal film, and obtain the red PS colloidal crystal film of different saturation according to demand, it is achieved the regulation and control of saturation are become a research direction。
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, it is an object of the invention to provide a kind of regulate and control red PS colloidal crystal film saturation method, faint to solve current PS colloidal crystal film colour generation, saturation is low, it is impossible to according to the problem that demand regulates and controls saturation。
To achieve these goals, the technical solution used in the present invention is:
A kind of regulate and control red PS colloidal crystal film saturation method, comprise the steps:
(1) adopting emulsion polymerization to prepare the PS microsphere mother solution that mean diameter is 440 ± 10nm, with deionized water for solvent, dilute be PS microsphere concentration is the emulsion of 0.1-0.5wt%, is placed in glass drying oven ultrasonic disperse 30-60min；
(2) substrate is cleaned with deionized water, then 30-90min post-drying is cleaned at ethanol and deionized water for ultrasonic respectively standby, cleaned substrate is vertically fixed in the PS emulsion of ultrasonic disperse, put into 9-12h in baking oven, drying temperature is 40 DEG C-65 DEG C, slowly dries the PS colloidal crystal film obtaining assembling；
(3) the PS colloidal crystal film taken out from baking oven being put into plating carbon film in evaporation instrument, arranging plated film electric current is 60mA, is carried out the thickness of quantitative adjusting carbon film by the thickness of carbon filament, makes the carbon film thickness on PS colloidal crystal film surface between 5-25nm。
Described substrate is glass substrate, metal substrate or organic substrate。
The regulation and control to red PS colloidal crystal film saturation are realized by quantitatively changing the thickness of carbon film。
Compared with prior art, the invention has the beneficial effects as follows:
(1) innovation and creation ground proposes at PS colloidal crystal film plated surface carbon film, it is provided that a kind of light absorbs background so that it is the reflectance at forbidden photon band strengthens, and to the reflectance reduction of wavelength beyond forbidden band, absorb veiling glare, macroscopically no longer present iris, but single redness。
(2) present invention by changing reflectance and the absorbance of forbidden photon band to the fixing quantity of carbon film thickness, it is achieved that the regulation and control to red PS colloidal crystal film saturation。When carbon film thickness is when 5-10nm, this PS colloidal crystal film presents bright single redness (R:238G:124B:107；C:0%M:65%Y:30%K:0%), when carbon film thickness increases to 15nm, the red saturation scale of this PS colloidal crystal film significantly improves (R:229G:70B:70；C:0%M:85%Y:70%K:0%)；When carbon film thickness increases to 25nm, the red saturation scale of this PS colloidal crystal film improves (R:223G:0B:41 further；C:0%M:100%Y:100%K:0%)。
(2) method technique provided by the present invention is simple, workable, it is easy to realize mass production, is expected to replace tradition toner, is widely used at false proof and furnishing fields。
Accompanying drawing explanation
Fig. 1 is the microscopic appearance figure of redness PS colloidal crystal film of the present invention。
Detailed description of the invention
Embodiments of the present invention are described in detail below in conjunction with drawings and Examples。
The present invention a kind of regulate and control red PS colloidal crystal film saturation method, comprise the steps:
(1) emulsion polymerization is adopted to prepare the PS microsphere emulsion that mean diameter is 440 ± 10nm that monodispersity, homogeneity are good, with deionized water for solvent, being diluted for PS microsphere concentration is the emulsion of 0.1wt-0.5wt%, is placed in glass drying oven ultrasonic disperse。
(2) clean substrate with deionized water, clean post-drying at ethanol and deionized water for ultrasonic respectively standby。Cleaned substrate is vertically fixed in the PS emulsion of ultrasonic disperse, puts in baking oven and slowly dry。
(3) the PS colloidal crystal film taken out from baking oven is put into plating carbon film in evaporation instrument, arranging plated film electric current is 60mA, the thickness of carbon film is adjusted by the thickness of carbon filament, make the carbon film thickness on PS colloidal crystal film surface between 5nm-25nm, realize the regulation and control to red PS colloidal crystal film color saturation by quantitatively changing the thickness of carbon film。
The PS colloidal crystal film microscopic appearance of gained of the present invention is as shown in Figure 1, it is seen that present the high-quality close-packed hexagonal structure of multilamellar on its microcosmic。Macroscopically presenting bright single redness, red saturation scale significantly improves with the increase of the plated carbon film thickness in PS colloidal crystal film surface, it is achieved that the quantitatively regulating and controlling to its color saturation。
Claims (3)
1. the method regulating and controlling red PS colloidal crystal film saturation, it is characterised in that comprise the steps:
(1) adopting emulsion polymerization to prepare the PS microsphere mother solution that mean diameter is 440 ± 10nm, with deionized water for solvent, dilute be PS microsphere concentration is the emulsion of 0.1-0.5wt%, is placed in glass drying oven ultrasonic disperse 30-60min；
(2) substrate is cleaned with deionized water, then 30-90min post-drying is cleaned at ethanol and deionized water for ultrasonic respectively standby, cleaned substrate is vertically fixed in the PS emulsion of ultrasonic disperse, put into 9-12h in baking oven, drying temperature is 40 DEG C-65 DEG C, slowly dries the PS colloidal crystal film obtaining assembling；
(3) the PS colloidal crystal film taken out from baking oven being put into plating carbon film in evaporation instrument, arranging plated film electric current is 60mA, is adjusted the thickness of carbon film by the thickness of carbon filament, makes the carbon film thickness on PS colloidal crystal film surface between 5-25nm。
2. the method for the PS colloidal crystal film saturation of regulation and control redness according to claim 1, it is characterised in that described substrate is glass substrate, metal substrate or organic substrate。
3. the method for the PS colloidal crystal film saturation of regulation and control redness according to claim 1, it is characterised in that realize the regulation and control to red PS colloidal crystal film color saturation by quantitatively changing the thickness of carbon film。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610078045.XA CN105694086A (en) | 2016-02-03 | 2016-02-03 | Method for regulating saturation of red PS (polystyrene) colloidal crystal film |
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|---|---|---|---|
| CN201610078045.XA CN105694086A (en) | 2016-02-03 | 2016-02-03 | Method for regulating saturation of red PS (polystyrene) colloidal crystal film |
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| CN105694086A true CN105694086A (en) | 2016-06-22 |
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| CN201610078045.XA Pending CN105694086A (en) | 2016-02-03 | 2016-02-03 | Method for regulating saturation of red PS (polystyrene) colloidal crystal film |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389024A (en) * | 2014-10-28 | 2015-03-04 | 江南大学 | Method for preparing color-adjustable gel photonic crystal film |
| CN105175015A (en) * | 2015-09-21 | 2015-12-23 | 陕西科技大学 | Low-angle-dependence violet zinc-sulfide structural color film and preparing method thereof |
-
2016
- 2016-02-03 CN CN201610078045.XA patent/CN105694086A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389024A (en) * | 2014-10-28 | 2015-03-04 | 江南大学 | Method for preparing color-adjustable gel photonic crystal film |
| CN105175015A (en) * | 2015-09-21 | 2015-12-23 | 陕西科技大学 | Low-angle-dependence violet zinc-sulfide structural color film and preparing method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 王芬等: "聚苯乙烯光子晶体结构色的制备及其性能研究", 《陕西科技大学学报》 * |
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