CN101033299A - Polymer colloid photon crystal film with photon band-gap position at near infrared region and its preparing method and use - Google Patents
Polymer colloid photon crystal film with photon band-gap position at near infrared region and its preparing method and use Download PDFInfo
- Publication number
- CN101033299A CN101033299A CN 200610011452 CN200610011452A CN101033299A CN 101033299 A CN101033299 A CN 101033299A CN 200610011452 CN200610011452 CN 200610011452 CN 200610011452 A CN200610011452 A CN 200610011452A CN 101033299 A CN101033299 A CN 101033299A
- Authority
- CN
- China
- Prior art keywords
- size
- large grain
- photon
- emulsion particle
- photon crystal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Polymerisation Methods In General (AREA)
Abstract
The invention relates to a kind of polymer colloidal photon crystal membrane with large sized photon band-gap locate in the near-infrared area and its preparation and application. It covers the large sized monodisperse polymer latex particle emulsion on the substrate to achieve cyclical orderly arranged three-dimensional photonic crystal membrane which is spelled with the large sized monodisperse polymer latex particles in the form of face-center cube. The monodisperse polymer latex particle is achieved from the process of polymerization of numbers of the polymer latex particles with hard core-soft shell structure. The size of the monodisperse polymer latex particle ranges from 400 to 1200nm, and the polydispersity index is less than or equal to 0.005. According to the size of monodisperse polymer latex particles, the photonic band gap of the latex photonic crystal membrane can be distributed in the near infrared different band of 800~30000nm.
Description
Technical field
The invention belongs to the preparing technical field of colloid photonic crystal film, relate in particular to large size photon band gap position at photon crystal membrane of polymer colloid of near-infrared region and preparation method thereof, and the purposes aspect antiradiation coating; Be particularly related to by the letex polymerization single stage method and prepare the monodispersed large grain-size polyalcohol emulsion particle.
Background technology
The colloidal photon crystal material is realized special regulation and control to light with the formed periodic structure of the regular arrangement of single dispersed latex grain to the refraction of light or diffraction.According to the size difference of periodic arrangement, regulate and control the light wavelength difference.The Application Areas difference of corresponding prepared colloidal crystal.In common patent documentation, colloid photonic crystal film is mainly used in wave filter (as CN:01105105.1, CN:98110990.X), photoswitc (CN:0310004.4, CN:02160207.7), optical waveguides (CN:02804125.9, CN:99810798, CN:01132293.4, CN:02811132.X), optical fiber (CN:00803964.X, CN:00803960.7, aspect such as CN:03127694.6), and seldom report crystal film with photon is applied in paint field, radioprotective heat insulation coating aspect especially used.
The present invention is based on the inventor at preceding patent application (number of patent application: CN:200510011219.2, CN:200510012021.6, CN:200510012047.0, CN:200510012021.6) the single dispersed latex grain of easy manufacture, and big area prepares the colloid photonic crystal film of visible and ultraviolet region fast, and it is applied in decorative paint, the basis of preventing ultraviolet coating, makeup and strengthening the photo luminescent devices aspect, prepared the photonic crystal of photon band gap, and attempted being applied in radiation-resistant heat insulation coating aspect in the near-infrared region.Common heat insulation coating, mainly be at the mode of heat leakage conduct, convection current, radiation, avoid targetedly.In order to reduce the conduction function of heat, general little hollow material (CN:02145516.3, the CN:02132991.5 of thermal conductivity that in heat insulation coating, introduce, CN:02133287.8 CN:90105780) resembles foamable polymer, the natural inorganic porous material, as, pearlstone, mica powder, tiny ceramic particle etc., the shortcoming of this method mainly is that the art breading cycle is long, cohesive force is poor between material and the body of wall, and a little less than the impact resistance, dry shrinkage is big etc.Also have and adopt the reflective insulation coating, paint coating on aluminium base surface, or is selected appropriate resin, metal is obtained the high emissivity coating, reaches heat insulation effect.But this method cost is higher.The radiation heat insulation coating (CN:03145447.1) of employing is also arranged, promptly by the radiating mode light and the heat that absorbs scattered out, its key is the coating composition that preparation has high thermal emissivity, and multiple metal oxide is as MnO
2, CO
2O
3, CuO, Fe
2O
3Have the high characteristics of thermal emissivity Deng doping type material with transoid spinel structure.As above the common feature of three modes is to adopt concrete certain material could realize its so-called heat-insulation and heat-preservation function.
Summary of the invention
One of purpose of the present invention provides the photon crystal membrane of polymer colloid of large size photon band gap position in the near-infrared region, and colloid photonic crystal film is with low cost.
Two of purpose of the present invention provides the preparation method of photon band gap position at the photon crystal membrane of polymer colloid of near-infrared region.
Three of purpose of the present invention provides a kind of method for preparing the monodispersed large grain-size polyalcohol emulsion particle by single stage method.Present method adopts the batch method emulsifier-free emulsion polymerization, by suitable adjustment emulsion polymerization technique, the monodispersed large grain-size polyalcohol emulsion particle that single stage method is prepared does not need any purification just can realize that single dispersion index is less than or equal to 0.005, and particle size range is 400～1200nm.
Four of purpose of the present invention provides the purposes of photon band gap position at the photon crystal membrane of polymer colloid of near-infrared region, photon band gap is used for suitability for industrialized production at the photon crystal membrane of polymer colloid of near infrared region, especially is applied in radioprotective heat insulation coating aspect.
The present invention takes the batch method emulsifier-free emulsion polymerization, and by suitable adjustment emulsion polymerization technique, the monodispersed large grain-size polyalcohol emulsion particle that single stage method is prepared does not need any purification just can realize that single dispersion index is less than or equal to 0.005.
Photon band gap of the present invention position is at the photon crystal membrane of polymer colloid of near-infrared region, be to pile up the orderly three-D photon crystal film of periodic arrangement that forms by the monodispersed large grain-size polyalcohol emulsion particle with face-centered cubic, this monodispersed large grain-size polyalcohol emulsion particle is formed by emulsion particle coalescence in polymerization process of several hard core-soft core structures; The number of its coalescence how much depend on what of ionogen add-on in the polymerization process; The particle size range of monodispersed large grain-size polyalcohol emulsion particle is 400～1200nm, and polydispersity index is less than or equal to 0.005.
The photon band gap of described colloid photonic crystal film relates to each wave band of near-infrared region; Along with the ascending variation of the particle diameter of monodispersed large grain-size polyalcohol emulsion particle (increasing), the peak generation red shift of the reflection spectrum of resulting colloid photonic crystal film (photon band gap generation red shift) from 400 to 1200nm.
By the monodispersed large grain-size polyalcohol emulsion particle that the inventive method is prepared, be that the emulsion particle coalescence in polymerization process by several hard core-soft core structures forms; The number of its coalescence how much depend on what of ionogen add-on in the polymerization process; The particle size range of its monodispersed large grain-size polyalcohol emulsion particle is 400～1200nm, and polydispersity index is less than or equal to 0.005.The photon band gap of prepared colloid photonic crystal film is distributed in the near-infrared region of 800～3000nm, by adjusting the particle diameter of monodispersed large grain-size polyalcohol emulsion particle, can obtain the colloidal photon crystal of different band gap as required.Along with the ascending variation of the particle diameter of monodispersed large grain-size polyalcohol emulsion particle, the peak generation red shift of the reflection spectrum of resulting film.
The preparation of monodispersed large grain-size polyalcohol emulsion particle of the present invention is to adopt one step of batch method emulsifier-free emulsion polymerization to realize, the typical technological process that is adopted is: the monomer 1 that wetting ability is increased successively, monomer 2, monomer 3 blending dispersion are containing pH buffer reagent and the aqueous electrolyte liquid that is used for regulating monodispersed large grain-size polyalcohol emulsion particle particle diameter; Is 200～500rpm with resulting emulsion polymerization systems at rotating speed, be preferably under the rotating speed of 350rpm and mix, and be heated to 65～85 ℃ (preferred temperature are 70 ℃), the initiator that adds initiator total amount 3/5 makes reaction begin to carry out, react the initiator that adds initiator total amount 1/5 after 2～4.5 hours again, remaining initiator is continuing reaction adding after 2～4.5 hours, and the 0.5wt%～2wt% of the suitable total monomer weight of the total consumption of described initiator is preferably 1wt%.Reaction continues end in 1～3 hour subsequently, obtains single dispersion index and is less than or equal to 0.005, and particle size range is the monodispersed large grain-size polyalcohol emulsion particle of 400～1200nm.Introducing along with the electrolyte solution of regulating monodispersed large grain-size polyalcohol emulsion particle particle diameter in the polymerization system; by the emulsion particle with stone one soft shell structure that homogeneous nucleation forms coalescence can take place at the polymerization initial stage; and along with increasing of electrolyte solution introducing amount; the degree of emulsion particle coalescence increases, and finally obtains emulsion particle by several hard core-soft core structures coalescence and the monodispersed large grain-size polyalcohol emulsion particle that forms in polymerization process.
Wherein, the consumption of monomer 1 is 90～95wt% of total monomer weight in the emulsion polymerization systems, and monomer 2 is 3～6wt%, and monomer 3 is 0～6wt%, the concentration of pH buffer reagent in emulsion polymerization systems is 0～0.99wt%, and the concentration of ionogen in emulsion polymerization systems is 0～0.7wt%.
The reaction times of system is 5～12 hours, and the preferred reaction time is 8～10 hours.
Described reaction monomers is the compound that contains at least one ethylene linkage in the molecule, and its wetting ability increases successively, and monomer 1 is the relatively poor reaction monomers of wetting ability, as vinylbenzene, vinyl toluene or their mixture; And monomer 2 is a wetting ability monomer relatively preferably, as esters of acrylic acid, vinyl acetate or their mixture etc., described esters of acrylic acid is methyl methacrylate, Jia Jibingxisuanyizhi, butyl methacrylate, isobutyl acrylate or their any mixture; Monomer 3 is the very strong water-soluble reaction monomer of wetting ability, as vinylformic acid, methacrylic acid, acrylamide, propylene cyanogen or their any mixture.The introducing of minor amount of water dissolubility reaction monomers 3 is in order to increase the stability of system.
Described initiator is alkali metal persulphate, ammonium persulphate or their mixture.Wherein initiator is that form with the aqueous solution is incorporated in the polymerization system, and its strength of solution is 2～5wt%.
Described basic metal is potassium or sodium.
The ionogen of the size of the final gained emulsion particle of described adjusting is selected from one or more the mixture in sodium-chlor, Repone K, the calcium chloride etc.
Described pH buffer reagent is selected from one or more the mixture in bicarbonate of ammonia, sodium bicarbonate, the sodium hydrogen phosphate etc.
For guaranteeing effective realization of emulsion particle monodispersity, strict control stir speed (S.S.) is fed in raw material and heating schedule, to avoid the appearance of secondary nucleation in the polymerization process.
Ionogen consumption difference in the polymerization system of the present invention, the particle diameter difference of gained monodispersed large grain-size polyalcohol emulsion particle causes the photon band gap difference of final colloid photonic crystal film.For example, the weight ratio of monomer total amount is respectively 0%, 0.238% in ionogen consumption and the polymerization system, 0.476.%, 0.952%, 1.43%, 1.90% o'clock, the particle diameter of preparation-obtained monodispersed large grain-size polyalcohol emulsion particle is followed successively by 400,450, and 480,510,550,600, the photon band gap position of corresponding colloid photonic crystal film is respectively 914,1045,1128,1208,1272,1388nm.
Photon band gap of the present invention position may further comprise the steps in the preparation method of the photon crystal membrane of polymer colloid of near-infrared region:
(1) earlier the monodispersed large grain-size polyalcohol emulsion particle is dispersed in the water under the room temperature, then resulting monodispersed large grain-size polyalcohol emulsion particle emulsion is evenly covered on the flat substrates, wherein the concentration of monodispersed large grain-size polyalcohol emulsion particle emulsion is 5～30wt%.
(2) make step (1) disperse the aqueous solvent volatilization of monodispersed large grain-size polyalcohol emulsion particle under the normal temperature and pressure, the monodispersed large grain-size polyalcohol emulsion particle is piled up with face-centered cubic on base material, and form the orderly three-D photon crystal film of periodic arrangement, behind dried coating film, peel off from base material, can obtain the photon crystal membrane of polymer colloid of photon band gap position in the near-infrared region.
Single dispersion index of described monodispersed large grain-size polyalcohol emulsion particle is less than or equal to 0.005, and particle size range is 400～1200nm.Particle diameter with the monodispersed large grain-size polyalcohol emulsion particle increases the photon band gap generation red shift of gained crystal film with photon from 400 to 1200nm.
Described base material comprises glass, silicon chip, paper or stainless steel plate etc.
Photon band gap of the present invention mainly has radiation proof function to the wave band of near-infrared region at the photon crystal membrane of polymer colloid of near-infrared region, comprises the partial radiation that sunlight sends, and incandescent light most of radiation of sending; It can be used as antiradiation coating.
Become the difference of film base material according to colloidal photon crystal, resulting photon crystal membrane of polymer colloid can be used on the different substrate materials.
Photon band gap of the present invention position the photon crystal membrane of polymer colloid of near-infrared region and other Clear paint mutually the blended application process can be undertaken by following operation:
Colloid photonic crystal film of the present invention is peeled off from base material, be crushed to the micro-size particles size, mix with Clear paint and solvent phase, colloid photonic crystal film can show heat insulation effect, wherein colloid photonic crystal film is 1～10wt% in the mixed solution, Clear paint is 50～70wt%, and solvent is 20～40wt%.
Described Clear paint is selected from one or more the mixture in acrylic varnish, polyurethane lacquer, 582-2 melamine resin, the zapon varnish.
Described solvent is an ethanol, the mixture of one or more in ethyl acetate or the butylacetate.
The monodispersed large grain-size polyalcohol emulsion particle is by the preparation of emulsifier-free emulsion polymerization single stage method among the present invention, and this emulsion particle is formed by emulsion particle coalescence in polymerization process of several hard core-soft core structures; The number of its coalescence how much depend on what of ionogen add-on in the polymerization process; This special pattern has determined its particular performances.Its preparation technology is simple, and the size and the form of monodispersed large grain-size polyalcohol emulsion particle are controlled easily, and preparation-obtained monodispersed large grain-size polyalcohol emulsion particle does not need to carry out any purification just can realize that single dispersion index is less than or equal to 0.005.The self-assembly preparation of colloid photonic crystal film of the present invention, adopt a kind of simple method to realize: evenly to cover certain density monodispersed large grain-size polyalcohol emulsion particle on the flat substrates, after treating that wherein dispersion liquid volatilization is done, just form the orderly three-D photon crystal film of periodic arrangement, the photonic crystal order degree is good.The inventive method is simple, and required equipment is simple, helps realizing the mass preparation of crystal film with photon.According to the difference of used monodispersed large grain-size polyalcohol emulsion particle, the photon band gap of gained colloid photonic crystal film of the present invention changes in the near-infrared region.
The single dispersed latex grain shell in self assembling process with hard core-soft core structure that aforementioned one step of employing emulsion polymerization prepared obtains deforms, and forms fine and close structure, helps improving the mechanical stability of film.
The present invention is by utilizing photon band gap at the photonic crystal of near-infrared region the regulating and controlling effect of light to be realized heat insulation effect, and this method cost is low, realizes easily.
The newborn epitaxial that the inventive method prepares is owing to for polymeric film, in use to the human body toxicological harmless, can be widely used in the antiradiation coating aspect.
Because photon band gap is functional adjustable polymkeric substance at the used material of the photon crystal membrane of polymer colloid of near-infrared region, makes to have good agglutinating value(of coal) between colloidal crystal film and the various base material like this.
The resulting heat insulation coating of polymer photon crystal film of the present invention has following advantage:
1) material is not had specific selectivity, adopt general coating base material, as benzene emulsion;
2) can effectively realize heat insulation function.This crystal film with photon utilizes the regulating and controlling effect of photon band gap to light, is used in the indoor room temp that can effectively prevent and reduces, and is used in outdoor can effectively avoiding in the outdoor energy inlet chamber.Utilize the nano grade pore gap structure of film itself effectively to prevent thermal conduction simultaneously;
3) because this crystal film with photon adopts traditional coating base material, therefore there is not brushing, drying, and a series of problems such as bonding between the base material;
4) this method is simple, and cost is low, realizes easily.
The present invention will be further described below in conjunction with accompanying drawing and by embodiment.
Description of drawings:
Fig. 1. the three-dimensional periodic of the embodiment of the invention 4 is arranged the SEM photo (particle diameter is 470nm) of long-range order latex crystal film with photon.
Fig. 2. the reflected light spectrogram of the colloid photonic crystal film of the embodiment of the invention 4, change from small to large according to latex particle, the photon band gap position is respectively: 914,1045,1128,1208,1272,1388nm.
Embodiment
Embodiment 1: the preparation of monodispersed large grain-size polyalcohol emulsion particle
With monomer mixture methyl methacrylate (1 gram), vinylbenzene (19 gram), and methacrylic acid (1 gram), pH buffer reagent bicarbonate of ammonia (0.2 gram) and sodium-chlor (0.2g) are dispersed in the water (95mL), resulting mixed system is mixed at 350rpm, and be heated to 70 ℃.Ammonium persulphate (0.2 gram is dissolved in the 25 ml waters) aqueous solution that adds 15 milliliters makes reaction begin to carry out, react the ammonium persulfate aqueous solution that adds 5 milliliters after 2 hours again, remaining ammonium persulfate aqueous solution is continuing reaction adding after 2 hours, reaction continues to be warming up to 80 ℃ and to react end in 2 hours again after 2 hours.Finally obtain single dispersion index and be less than or equal to 0.005, particle size range is the monodispersed large grain-size polyalcohol emulsion particle of 480nm.
Be respectively 0,0.1,0.3,0.4,0.5,0.75 or during 1g, the particle size range of resultant final monodispersed large grain-size polyalcohol emulsion particle is respectively 400,450,510,550,600,750,1020nm when changing wherein amount of sodium chloride.Single dispersion index of emulsion particle is less than or equal to 0.005.
Embodiment 2: the preparation of monodispersed large grain-size polyalcohol emulsion particle
With monomer mixture vinyl acetate (0.5 gram), butyl acrylate (0.5 gram), vinyl toluene (19 gram), and vinylformic acid (1 gram), pH buffer reagent sodium bicarbonate (0.1 gram) is dispersed in the water (95mL) with bicarbonate of ammonia (0.1 gram) and sodium-chlor (0.2g), resulting mixed system is mixed at 300rpm, and be heated to 70 ℃.Initiator (with 0.1 gram Sodium Persulfate be dissolved in 25 ml waters obtain by the 0.2 gram ammonium persulphate) aqueous solution that adds 15 milliliters makes to react and begins to carry out, react the ammonium persulfate aqueous solution that adds 5 milliliters after 2 hours again, remaining ammonium persulfate aqueous solution is continuing reaction adding after 2 hours, reaction continues to be warming up to 80 ℃ and to react end in 2 hours again after 2 hours.Finally obtain single dispersion index and be less than or equal to 0.005, particle size range is the monodispersed large grain-size polyalcohol emulsion particle of 480nm.
Wherein acrylic acid consumption is respectively 0,0.1,0.2,0.3,0.4 when changing, during 0.5g, the particle size range of resultant final monodispersed large grain-size polyalcohol emulsion particle is respectively 920,700,670,640,620,580nm.Single dispersion index of emulsion particle is less than or equal to 0.005.
Embodiment 3: the preparation of monodispersed large grain-size polyalcohol emulsion particle
With monomer mixture Propenoic acid, 2-methyl, isobutyl ester (1 gram), vinylbenzene (19 gram), vinylformic acid (0.5 gram) and third rare acid amides (0.5 gram), pH buffer reagent sodium bicarbonate (0.1 gram) is dispersed in the water (95mL) with ammonium hydrogen phosphate (0.1 gram) and sodium-chlor (0.2g), resulting mixed system is mixed at 400rpm, and be heated to 70 ℃.Ammonium persulphate (0.2 gram is dissolved in the 25 ml waters) aqueous solution that adds 15 milliliters makes reaction begin to carry out, react the ammonium persulfate aqueous solution that adds 5 milliliters after 2 hours again, remaining ammonium persulfate aqueous solution is continuing reaction adding after 2 hours, reaction continues to be warming up to 80 ℃ and to react end in 2 hours again after 2 hours.Finally obtain single dispersion index and be less than or equal to 0.005, particle size range is the monodisperse polymer emulsion particle of 480nm.
When changing that wherein the consumption of initiator is respectively 0,0.1,0.3,0.4,0.5, the particle size range of resultant final monodispersed large grain-size polyalcohol emulsion particle is respectively 540,500, and 460,440,420.Single dispersion index of emulsion particle is less than or equal to 0.005.
Embodiment 4: the photon band gap position is in the preparation of the photon crystal membrane of polymer colloid of near-infrared region
At room temperature be that the monodispersed large grain-size polyalcohol emulsion particle for preparing among the embodiment 1 of 5wt% evenly covers respectively on glass, silicon chip or the stainless steel plate base material of cleaning with concentration, after treating that wherein dispersion liquid moisture evaporation is done, the monodispersed large grain-size polyalcohol emulsion particle is piled up with face-centered cubic on base material, and forms the orderly three-D photon crystal film of periodic arrangement.The particle diameter of gained monodispersed large grain-size polyalcohol emulsion particle is respectively 400,450,480,510,550,600 among the embodiment 1, and the photon band gap position of corresponding preparation-obtained colloid photonic crystal film is respectively 914,1045,1128,1208,1272,1388nm.
Embodiment 5: as the radioprotective heat insulation coating
The latex particle size that embodiment 1 method is prepared is the monodispersed large grain-size polyalcohol emulsion particle of 400nm, adopts the method for embodiment 4 to prepare the colloid photonic crystal film of photon band gap position at 914nm.This film can be applicable to prevent the radioprotective heat insulation coating of 914nm wave band.
Embodiment 6: as the radioprotective heat insulation coating
To be respectively 400 with the particle diameter that embodiment 1 method prepares, 450,480,510,550,600 monodispersed large grain-size polyalcohol emulsion particle, the colloid photonic crystal film that adopts embodiment 4 methods to prepare is peeled off (consumption is 10wt%) from glass baseplate respectively, be crushed to the micron order size, mix use mutually with acrylic varnish (60wt%) and a certain amount of ethanol (30wt%) respectively, all obtain the radioprotective heat insulation coating.
Claims (9)
1. a photon band gap position is at the photon crystal membrane of polymer colloid of near-infrared region, it is characterized in that: described photon crystal membrane of polymer colloid is to pile up the orderly three-D photon crystal film of periodic arrangement that forms by the monodispersed large grain-size polyalcohol emulsion particle with face-centered cubic, and this monodispersed large grain-size polyalcohol emulsion particle is formed by emulsion particle coalescence in polymerization process of several hard core-soft core structures; The particle size range of monodispersed large grain-size polyalcohol emulsion particle is 400～1200nm, and polydispersity index is less than or equal to 0.005.
2. photon crystal membrane of polymer colloid according to claim 1 is characterized in that: the photon band gap of described colloid photonic crystal film relates to each wave band of near-infrared region; Along with the particle diameter of monodispersed large grain-size polyalcohol emulsion particle increases the peak generation red shift of the reflection spectrum of resulting colloid photonic crystal film by 400 to 1200nm.
3. photon crystal membrane of polymer colloid according to claim 1 and 2 is characterized in that: described monodispersed large grain-size polyalcohol emulsion particle is prepared by following method:
With the monomer 1 that wetting ability increases successively, monomer 2, monomer 3 blending dispersion are containing pH buffer reagent and the aqueous electrolyte liquid that is used for regulating monodispersed large grain-size polyalcohol emulsion particle particle diameter; Be to mix under the rotating speed of 200～500rpm resulting emulsion polymerization systems at rotating speed, and be heated to 65～85 ℃, the initiator that adds initiator total amount 3/5 makes reaction begin to carry out, react the initiator that adds initiator total amount 1/5 after 2～4.5 hours again, remaining initiator is continuing reaction adding after 2～4.5 hours, 0.5wt%～the 2wt% of the suitable total monomer weight of the total consumption of described initiator, obtain single dispersion index after reaction finishes and be less than or equal to 0.005, particle size range is the monodispersed large grain-size polyalcohol emulsion particle of 400～1200nm;
Wherein, the consumption of monomer 1 is 90～95wt% of total monomer weight in the emulsion polymerization systems, and monomer 2 is 3～6wt%, and monomer 3 is 0～6wt%, the concentration of pH buffer reagent in emulsion polymerization systems is 0～0.99wt%, and the concentration of ionogen in emulsion polymerization systems is 0～0.7wt%;
Described monomer 1 is vinylbenzene, vinyl toluene or their mixture;
Described monomer 2 is acrylate, vinyl acetate or their mixture
Described monomer 3 is vinylformic acid, methacrylic acid, acrylamide, propylene cyanogen or their any mixture.
4. photon crystal membrane of polymer colloid according to claim 3 is characterized in that: described acrylate is methyl methacrylate, Jia Jibingxisuanyizhi, butyl methacrylate, isobutyl acrylate or their any mixture.
5. photon crystal membrane of polymer colloid according to claim 3 is characterized in that: described initiator is that the form with the aqueous solution is incorporated in the polymerization system, and its strength of solution is 2～5wt%; Initiator is alkali metal sulfates, ammonium persulphate or their mixture.
6. photon crystal membrane of polymer colloid according to claim 3 is characterized in that: described ionogen is selected from one or more the mixture in sodium-chlor, Repone K, the calcium chloride.
7. photon crystal membrane of polymer colloid according to claim 3 is characterized in that: described pH buffer reagent is selected from one or more the mixture in bicarbonate of ammonia, sodium bicarbonate, the sodium hydrogen phosphate.
8. the preparation method according to each described photon crystal membrane of polymer colloid of claim 1～7 is characterized in that, described preparation method may further comprise the steps:
(1) earlier the monodispersed large grain-size polyalcohol emulsion particle is dispersed in the water under the room temperature, then resulting monodispersed large grain-size polyalcohol emulsion particle emulsion is evenly covered on the flat substrates, wherein the concentration of monodispersed large grain-size polyalcohol emulsion particle emulsion is 5～30wt%;
(2) make step (1) disperse the aqueous solvent volatilization of monodispersed large grain-size polyalcohol emulsion particle under the normal temperature and pressure, the monodispersed large grain-size polyalcohol emulsion particle is piled up with face-centered cubic on base material, and form the orderly three-D photon crystal film of periodic arrangement, behind dried coating film, peel off from base material, obtain the photon crystal membrane of polymer colloid of photon band gap position in the near-infrared region.
9. purposes according to each described photon crystal membrane of polymer colloid of claim 1～7, it is characterized in that: described photon crystal membrane of polymer colloid is as the radioprotective heat insulation coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100114525A CN100556938C (en) | 2006-03-08 | 2006-03-08 | The photon band gap position is at photon crystal membrane of polymer colloid of near-infrared region and its production and use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100114525A CN100556938C (en) | 2006-03-08 | 2006-03-08 | The photon band gap position is at photon crystal membrane of polymer colloid of near-infrared region and its production and use |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101033299A true CN101033299A (en) | 2007-09-12 |
| CN100556938C CN100556938C (en) | 2009-11-04 |
Family
ID=38730056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100114525A Expired - Fee Related CN100556938C (en) | 2006-03-08 | 2006-03-08 | The photon band gap position is at photon crystal membrane of polymer colloid of near-infrared region and its production and use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100556938C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008055855A2 (en) * | 2006-11-06 | 2008-05-15 | Basf Se | Photonic crystals which are produced from uncharged polymer particles |
| CN102616044A (en) * | 2012-03-08 | 2012-08-01 | 中国科学院化学研究所 | Colloidal photon crystal composite film with humidity responsiveness and patterning, and method for preparing same |
| CN103158382A (en) * | 2011-12-19 | 2013-06-19 | 中国科学院化学研究所 | Method for utilizing ink-jet printing technology to prepare photonic crystal composite membrane with responsiveness and patterning |
| CN105525343A (en) * | 2015-12-18 | 2016-04-27 | 中国科学院理化技术研究所 | Preparation method and application of carbon dot photonic crystal having opal structure or inverse opal structure |
| CN110804127A (en) * | 2019-11-14 | 2020-02-18 | 浙江理工大学 | Flexible photonic crystal element nano-microsphere and preparation method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9921048D0 (en) * | 1999-09-07 | 1999-11-10 | Secr Defence | Colloidal photonic crystals |
| WO2001076871A1 (en) * | 2000-04-07 | 2001-10-18 | Eric Baer | Polymer 1d photonic crystals |
-
2006
- 2006-03-08 CN CNB2006100114525A patent/CN100556938C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008055855A2 (en) * | 2006-11-06 | 2008-05-15 | Basf Se | Photonic crystals which are produced from uncharged polymer particles |
| WO2008055855A3 (en) * | 2006-11-06 | 2009-08-06 | Basf Se | Photonic crystals which are produced from uncharged polymer particles |
| CN103158382A (en) * | 2011-12-19 | 2013-06-19 | 中国科学院化学研究所 | Method for utilizing ink-jet printing technology to prepare photonic crystal composite membrane with responsiveness and patterning |
| CN102616044A (en) * | 2012-03-08 | 2012-08-01 | 中国科学院化学研究所 | Colloidal photon crystal composite film with humidity responsiveness and patterning, and method for preparing same |
| CN102616044B (en) * | 2012-03-08 | 2013-10-30 | 中国科学院化学研究所 | Colloidal photon crystal composite film with humidity responsiveness and patterning, and method for preparing same |
| CN105525343A (en) * | 2015-12-18 | 2016-04-27 | 中国科学院理化技术研究所 | Preparation method and application of carbon dot photonic crystal having opal structure or inverse opal structure |
| CN105525343B (en) * | 2015-12-18 | 2018-03-16 | 中国科学院理化技术研究所 | A kind of preparation method and application of opal structural or counter opal structure carbon point photonic crystal |
| CN110804127A (en) * | 2019-11-14 | 2020-02-18 | 浙江理工大学 | Flexible photonic crystal element nano-microsphere and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100556938C (en) | 2009-11-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101712767B (en) | Preparation method of organic silicon acrylic ester self-organizing gradient emulsion film | |
| CN101033299A (en) | Polymer colloid photon crystal film with photon band-gap position at near infrared region and its preparing method and use | |
| CN105440218A (en) | A controllable batch preparation method of organic/inorganic hybrid Janus particles | |
| CN102977257A (en) | Water-whitening proof maishi paint emulsion of core-shell structure and method for preparing same | |
| CN101033360A (en) | Method of preparing organic/inorganic hybridization reactivity semi-interpenetrating network structure emulsion | |
| CN105273557A (en) | Waterborne wood paint and preparation method thereof | |
| CN1919889A (en) | Organosilicon epoxide acrylate water dispersion, preparation method and application thereof | |
| CN101392070B (en) | Industrial preparation method of PVC processing aid | |
| CN1380369A (en) | Water high-weatherability nano external wall paint and its preparation method | |
| CN102924646A (en) | Preparation method of waterproof and whiting-resistant silicon-acrylic composite emulsion for interior wall latex coatings | |
| CN1300179C (en) | Process for preparing monodispersity shell/core composite granular emulsion by using nano silicon dioxide microsphere coated by polystyrene | |
| CN1120855C (en) | Redispersible emulsion powder and process for producing the same | |
| CN1887941A (en) | Photon crystal film of ultraviolet polymer colloid with photon band gap and its prepn and use | |
| CN109369861B (en) | Hydrophilic organic silicon microsphere and preparation method thereof | |
| CN102167876B (en) | Butyl acrylate-styrene-acrylonitrile copolymer/titanium dioxide composite film and preparation method thereof | |
| JP2024504563A (en) | Method for preparing graphene oxide modified styrene-acrylic Pickering emulsion and composite emulsion, and method for preventing corrosion of cementitious materials | |
| CN1757668A (en) | High molecule/calcium carbonate nanometer particles, functional particles and prepn. method thereof | |
| CN100556937C (en) | Has photon crystal membrane of polymer colloid of normal temperature controllable immersing and its production and use | |
| CN100460450C (en) | Polymer colloid photon crystal membrane with photon band-gap position in middle infrared region and preparation method and usage thereof | |
| CN107998997A (en) | One species raspberry shape microballoon, super-hydrophobic coat and preparation method thereof | |
| CN1916056A (en) | Photon crystal membrane of polymer colloid with controllable wet ability, prepartion method and application | |
| CN116355476A (en) | Heat-insulating paint for building and preparation method thereof | |
| CN114940769B (en) | Angle-dependence-free electric response film based on structural color and preparation method and application thereof | |
| CN1244602C (en) | High performance silicon emulsion and its preparation | |
| CN114213568B (en) | Light conversion microsphere, preparation method and application |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |