CN108084334A - The preparation method of polyisopropyl acrylamide-acrylic acid photonic crystal - Google Patents
The preparation method of polyisopropyl acrylamide-acrylic acid photonic crystal Download PDFInfo
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- CN108084334A CN108084334A CN201711376139.6A CN201711376139A CN108084334A CN 108084334 A CN108084334 A CN 108084334A CN 201711376139 A CN201711376139 A CN 201711376139A CN 108084334 A CN108084334 A CN 108084334A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/52—Amides or imides
- C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
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Abstract
The present invention relates to a kind of preparing technical fields of photonic crystal, belong to a kind of preparation method of polyisopropyl acrylamide acrylic acid diblock copolymer microballoon self-assembling photonic crystal.A kind of preparation method of polyisopropyl acrylamide acrylic acid photonic crystal, comprises the following steps：Carbon-fiber film assembling substrate is provided first；Secondly polyisopropyl acrylamide acrylic microspheres lotion is prepared；The above-mentioned microballoon lotion of substrate surface electrophoretic deposition most is assembled after carbon-fiber film, is formed by curing layer of photonic crystals.The present invention provides a kind of preparation methods of the polyisopropyl acrylamide acrylic acid photonic crystal of organic gas response, green is presented in photonic crystal obtained by the preparation method of the present invention in air, red is presented in toluene, has filled up blank of the photonic crystal in field of gas detection.
Description
Technical field
The present invention relates to a kind of preparing technical fields of photonic crystal, belong to a kind of N-isopropylacrylamide-acrylic acid two
The preparation method of block copolymer microballoon self-assembling photonic crystal.
Background technology
Schemochrome is generated since the presence of object this body structure generates light the physical actions such as reflection, diffraction, interference
Color.Schemochrome is a kind of color that need not can be just generated with dyestuff, pigment coloring, is particular tissues knot inside substance in fact
The visual effect that structure generates the effects that scattering of light, diffraction and interference.Pass through self assembly side by structural unit of colloid micro ball
Method forms schemochrome film in matrix surface, is widely studied in recent years.
Using hydrogel as the gel photonic crystal material that matrix, photonic crystal arrays are primitive formation, water-setting can be passed through
The breathing of gel matrix changes the spacing of lattice of local array primitive, thus changes the photon band gap position of material entirety, works as band gap
Change can visually be identified or instrument detect when, then can be applied to sensor material.The preparation method of such material,
Typically by monodispersed colloid micro ball, such as polystyrene, silica, in a solvent by electrostatic force self assembly shape
Into the crystal array of the not close accumulation with three-dimensional periodic structure, monomer, crosslinking agent, photoinitiator etc. are added, with ultraviolet
Light-initiated monomer polymerization fixes crystal array while hydrogel is formed.The hydrogel prepared using different monomers can be right
Varying environment, which stimulates, generates response, and at present, hydrogel photonic crystal senser element is had been carried out to temperature, humidity, electric field, magnetic
The response of numerous environmental stimulis such as field, metal ion, biomolecule.But rare hydrogel that response can be generated to organic gas
Photonic crystal.
The content of the invention
It is an object of the invention to provide a kind of preparation method of polyisopropyl acrylamide-acrylic acid photonic crystal, sheets
The polyisopropyl acrylamide of invention-acrylic acid photonic crystal can generate organic gas corresponding：In air, photonic crystal
The reflected light of layer is green, and in toluene, the reflected light of layer of photonic crystals is red.
In order to achieve the above objectives, the present invention provides following technical solution：A kind of polyisopropyl acrylamide-acrylic acid photon
The preparation method of crystal, comprises the following steps：
(1) carbon-fiber film assembling substrate is provided；
(2) polyisopropyl acrylamide-acrylic microspheres lotion is prepared；
(3) the above-mentioned microballoon lotion of substrate surface electrophoretic deposition is assembled in carbon-fiber film, is formed by curing layer of photonic crystals.
Further, in step (1), carbon-fiber film assembling substrate is flexible and can wind.
Further, in step (2), the acrylic acid of 1.6-2.4 mass parts and 17-21 matter are added in 80-100 parts by volume water
The N-isopropylacrylamide of part is measured, then adds in emulsifier neopelex 0-0.004 mass parts and 0.5-0.55 matter
Amount part buffer sodium acid carbonate obtains reaction solution；By the reaction solution keep 60-80 DEG C at 0.5-2 it is small when, then add in 0.45-
The ammonium persulfate aqueous solution of 0.5 mass parts reacts 10-15h under continuous stirring condition in 70-90 DEG C, obtains solid content as 5-
Polymer microballoon lotion described in 10wt%.
Further, in step (3), above-mentioned polymer microballoon lotion is placed in conductive container, by carbon-fiber film substrate
The anode of container is placed in, adjusts voltage 2-12V and electrophoretic deposition time 5-50s, it is described poly- in the assembling of carbon-fiber film substrate surface
Object microballoon is closed, pulls out the carbon-fiber film substrate from container after deposition, and in 75 DEG C of (N-isopropylacrylamides-the third
The vitrified temperature of olefin(e) acid diblock copolymer) baking oven in cure 4-6h, the layer of photonic crystals is prepared.Photonic crystal
Layer includes the microballoon layer formed by polymer microballoon periodic arrangement, and polymer microballoon layer is close-packed structure, makes base material
With gloss, green is showed in air.When being passed through toluene gas, toluene gas is entered adjacent by capillary force
In the gap of microballoon, instead of air gas before, expanded by the volume of osmosis polymer microballoon, by
The refractive index of this entire photonic crystal changes, and the photon band gap of crystal is caused to shift, and color also becomes red therewith
Color.
The beneficial effects of the present invention are：The polyisopropyl acrylamide responded the present invention provides a kind of organic gas-
Green is presented in the preparation method of acrylic acid photonic crystal, the photonic crystal obtained by preparation method of the invention in air,
Red is presented in toluene, has filled up blank of the photonic crystal in field of gas detection.
Above description 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 attached drawing be described in detail as after.
Description of the drawings
Fig. 1 is the schematic diagram for the electrophoretic deposition structural colour carbon fiber film that Fig. 1 is the present invention.
Wherein 1 is anode：Carbon-fiber film substrate；2 be cathode：Metal electrode；3 be polyisopropyl acrylamide-acrylic acid
Microballoon；4 be conductive container；5 be external power supply.
Specific embodiment
With reference to the accompanying drawings and examples, the specific embodiment of the present invention is described in further detail.Implement below
Example is not limited to the scope of the present invention for illustrating the present invention.
Embodiment 1
(1) substrate is assembled as carbon-fiber film substrate that is flexible and can winding.
(2) polyisopropyl acrylamide-acrylic microspheres are prepared：The propylene of 2.0 mass parts will be added in 90 mass parts water
Acid and 17 mass parts isopropylacrylic acid amides, then add in 0.002 mass parts emulsifier neopelex and
0.50 mass parts buffer sodium acid carbonate obtains reaction solution；By reaction solution keep 70 DEG C at 1 it is small when, then add in 0.50 mass parts
Ammonium persulfate aqueous solution, react 12h in 80 DEG C under continuous stirring condition, you can polyisopropyl acrylamide-the third is prepared
Olefin(e) acid microballoon.
In the photonic crystal lotion prepared by carbon-fiber film assembling substrate surface electrophoretic deposition, layer of photonic crystals is solidified into：
As shown in Figure 1：Above-mentioned dispersion liquid is placed in toroidal container 4, using monolithic carbon-fiber film 1 as anode, accesses external power supply 5,
Electrophoretic voltage 12V is adjusted, time 20s, polyisopropyl acrylamide-acrylic microspheres 3 are in 4 surface self-organization of Carbon fibe film into having
Sequence structure is deposited；Carbon fiber is pulled out from container after deposition, and the dry 1h in 75 DEG C of baking oven, it is prepared into
To polyisopropyl acrylamide-acrylic acid layer of photonic crystals.
Carbon fiber with photonic crystal obtained above is moved into from air in toluene gas, it may be observed that photonic crystal
The color of layer is from green to red.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and description is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that come for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (4)
1. the preparation method of a kind of polyisopropyl acrylamide-acrylic acid photonic crystal, which is characterized in that comprise the following steps：
(1) carbon-fiber film assembling substrate is provided；
(2) polyisopropyl acrylamide-acrylic microspheres lotion is prepared；
(3) in microballoon lotion described in carbon-fiber film assembling substrate surface electrophoretic deposition, it is formed by curing layer of photonic crystals.
2. preparation method according to claim 1, which is characterized in that in the step (1), the carbon-fiber film assembles base
Bottom is flexible and can wind.
3. preparation method according to claim 1, which is characterized in that in the step (2), add in 80-100 parts by volume water
Enter the acrylic acid of 1.6-2.4 mass parts and the N-isopropylacrylamide of 17-21 mass parts, then add in emulsifier detergent alkylate
Sodium sulfonate 0-0.004 mass parts and 0.5-0.55 mass parts buffer sodium acid carbonates obtain reaction solution；The reaction solution is kept
When 0.5-2 is small at 60-80 DEG C, the ammonium persulfate aqueous solution of 0.45-0.5 mass parts is then added in, in 70- under continuous stirring condition
90 DEG C of reaction 10-15h, obtain the polymer microballoon lotion that solid content is 5-10 mass parts.
4. preparation method according to claim 1, which is characterized in that in the step (3), by above-mentioned polymer microballoon breast
Liquid is placed in conductive container, and carbon-fiber film substrate is placed in the anode of container, adjusts voltage 2-12V and electrophoretic deposition time 5-
50s is calm by the carbon-fiber film substrate after the carbon-fiber film substrate surface assembling polymer microballoon, deposition
It is pulled out in device, and cures 4-6h in 75 DEG C of baking oven, the layer of photonic crystals is prepared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711376139.6A CN108084334A (en) | 2017-12-19 | 2017-12-19 | The preparation method of polyisopropyl acrylamide-acrylic acid photonic crystal |
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| CN201711376139.6A CN108084334A (en) | 2017-12-19 | 2017-12-19 | The preparation method of polyisopropyl acrylamide-acrylic acid photonic crystal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110330608A (en) * | 2019-07-03 | 2019-10-15 | 浙江大学 | A kind of preparation method of the photon crystal material of good mechanical performance |
| CN114621476A (en) * | 2022-04-22 | 2022-06-14 | 广东工业大学 | PH and temperature dual-stimulus responsive structural color film, preparation method thereof and application thereof in optical anti-counterfeiting |
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| JP4437906B2 (en) * | 2003-09-10 | 2010-03-24 | 財団法人川村理化学研究所 | Structure manufacturing method, porous structure manufacturing method, and porous structure |
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| CN104372617A (en) * | 2014-11-14 | 2015-02-25 | 东华大学 | Method for preparing structural color carbon fibers based on P(NIPAAm-co-HEAC) nano-spheres |
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| JP4437906B2 (en) * | 2003-09-10 | 2010-03-24 | 財団法人川村理化学研究所 | Structure manufacturing method, porous structure manufacturing method, and porous structure |
| KR20090118768A (en) * | 2008-05-14 | 2009-11-18 | 국민대학교산학협력단 | Transemissive display device |
| CN104264445A (en) * | 2014-09-09 | 2015-01-07 | 东华大学 | Method for preparing schemochrome carbon fiber based on P(NIPAAm-co-AAc) nanosphere |
| CN104372617A (en) * | 2014-11-14 | 2015-02-25 | 东华大学 | Method for preparing structural color carbon fibers based on P(NIPAAm-co-HEAC) nano-spheres |
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| MI ZHOU，等: "A Facile Method to Assemble PNIPAM-Containing Microgel Photonic Crystals", 《CHEMPHYSCHEM》 * |
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| 袁孝飞: "基于PNIPAM水凝胶纳米球的结构色纤维的制备及性能研究", 《中国优秀硕士学位论文全文数据库工程科技I辑》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110330608A (en) * | 2019-07-03 | 2019-10-15 | 浙江大学 | A kind of preparation method of the photon crystal material of good mechanical performance |
| CN110330608B (en) * | 2019-07-03 | 2020-10-13 | 浙江大学 | Preparation method of photonic crystal material with excellent mechanical property |
| CN114621476A (en) * | 2022-04-22 | 2022-06-14 | 广东工业大学 | PH and temperature dual-stimulus responsive structural color film, preparation method thereof and application thereof in optical anti-counterfeiting |
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