CN116217767A - Method for controlling linear luminous high molecular material with fluorescence and afterglow emission capability - Google Patents
Method for controlling linear luminous high molecular material with fluorescence and afterglow emission capability Download PDFInfo
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- CN116217767A CN116217767A CN202310072287.8A CN202310072287A CN116217767A CN 116217767 A CN116217767 A CN 116217767A CN 202310072287 A CN202310072287 A CN 202310072287A CN 116217767 A CN116217767 A CN 116217767A
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 title claims abstract description 17
- 239000000843 powder Substances 0.000 claims abstract description 32
- 239000002861 polymer material Substances 0.000 claims abstract description 16
- 239000003999 initiator Substances 0.000 claims abstract description 12
- 238000012712 reversible addition−fragmentation chain-transfer polymerization Methods 0.000 claims abstract description 11
- 239000000178 monomer Substances 0.000 claims abstract description 10
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 8
- 238000000295 emission spectrum Methods 0.000 claims abstract description 8
- 238000000695 excitation spectrum Methods 0.000 claims abstract description 8
- 229920000642 polymer Polymers 0.000 claims abstract description 7
- 239000002904 solvent Substances 0.000 claims abstract description 7
- 238000004108 freeze drying Methods 0.000 claims abstract description 6
- 238000007405 data analysis Methods 0.000 claims abstract description 3
- 238000012216 screening Methods 0.000 claims abstract description 3
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical group N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 claims description 14
- AUZONCFQVSMFAP-UHFFFAOYSA-N disulfiram Chemical compound CCN(CC)C(=S)SSC(=S)N(CC)CC AUZONCFQVSMFAP-UHFFFAOYSA-N 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- -1 carbonyl carbon Chemical compound 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- QSVOWVXHKOQYIP-UHFFFAOYSA-N 2-dodecylsulfanylcarbothioylsulfanyl-2-methylpropanenitrile Chemical compound CCCCCCCCCCCCSC(=S)SC(C)(C)C#N QSVOWVXHKOQYIP-UHFFFAOYSA-N 0.000 claims description 2
- 238000012984 biological imaging Methods 0.000 claims description 2
- 125000000532 dioxanyl group Chemical group 0.000 claims description 2
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 abstract description 6
- 238000000502 dialysis Methods 0.000 abstract description 5
- 238000012986 modification Methods 0.000 abstract description 3
- 230000004048 modification Effects 0.000 abstract description 3
- 150000001875 compounds Chemical class 0.000 abstract description 2
- 229920002401 polyacrylamide Polymers 0.000 description 14
- 230000005284 excitation Effects 0.000 description 7
- 238000012360 testing method Methods 0.000 description 6
- 238000004020 luminiscence type Methods 0.000 description 5
- 238000001840 matrix-assisted laser desorption--ionisation time-of-flight mass spectrometry Methods 0.000 description 5
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000012299 nitrogen atmosphere Substances 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229920002125 Sokalan® Polymers 0.000 description 2
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 2
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005424 photoluminescence Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 125000002889 tridecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
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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
- C08F120/00—Homopolymers 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
- C08F120/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F120/52—Amides or imides
- C08F120/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
- C08F120/56—Acrylamide; Methacrylamide
-
- 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
- C08F120/00—Homopolymers 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
- C08F120/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F120/04—Acids; Metal salts or ammonium salts thereof
- C08F120/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
-
- 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
- C08F2/00—Processes of polymerisation
- C08F2/38—Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/14—Macromolecular compounds
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Polymerisation Methods In General (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The invention discloses a method for preparing a linear luminous high polymer material with fluorescence and afterglow emission capability in a controllable manner, and belongs to the technical fields of material preparation and polymer modification. The invention adds reversible addition-fragmentation chain transfer polymerization reagent, initiator and monomer into solvent according to different proportion to react, and then carries out dialysis and freeze drying to obtain powder with gradually increased mass average molecular weight; the molecular weight and distribution of the powder are measured, the excitation spectrum and the emission spectrum of the powder are measured, the semi-quantitative relation between the molecular weight and the emission intensity is obtained through data analysis, and the linear luminous high polymer material with specific fluorescence and afterglow emission capability is obtained through screening. The invention can accurately regulate and control the molecular weight of the material, can accurately guide the preparation of atypical luminous high molecular compounds with required luminous performance, and ensures that the linear luminous high molecular material has wider application prospect and important significance and application value.
Description
Technical Field
The invention belongs to the technical field of material preparation and polymer modification, and particularly relates to a method for preparing a linear luminous high polymer material with fluorescence and afterglow emission capability in a controllable manner.
Background
At present, with the development of scientific technology, a technology for preparing a polymer with controllable molecular weight by adopting a reversible addition-fragmentation chain transfer (RAFT) method is attracting more and more attention, but a technology for precisely controlling and adjusting the photoluminescence performance of the polymer by using the RAFT polymerization method has not been reported yet. If the emission capacity of the luminescent material can be semi-quantitatively regulated through the molecular weight, the luminescent material can be customized according to the needs, so that the optimal application effect can be realized according to the characteristics of various fields, the method has important research significance, and the problem that the conventional polymer luminescent material cannot be customized according to the needs can be solved.
Disclosure of Invention
The invention aims to overcome the defects in the existing luminescent material preparation technology and provide a method for controlling the linear luminescent polymer material with fluorescence and afterglow emission capability.
In order to achieve the above object, the present invention provides the following solutions:
one of the purposes of the invention is to provide a method for preparing linear luminous high molecular materials with controllable fluorescence and afterglow emission capability, which adopts a reversible addition-fragmentation chain transfer polymerization (RAFT) method to prepare a series of luminous linear polymers with gradually increased molecular weight, comprising the following steps:
adding a reversible addition-fragmentation chain transfer polymerization reagent, an initiator and a monomer into a solvent according to 4-7 different proportions for reaction, and obtaining powder with gradually increased mass average molecular weight within the range of 500-50000 through dialysis and freeze drying;
the molecular weight and distribution of the powder are measured by MALDI-TOF, the excitation and emission spectrum of the powder is obtained under the test condition that other experimental conditions except the sample are strictly controlled to be consistent, the semi-quantitative relation between the molecular weight and the emission intensity is obtained through data analysis, and the linear luminous high polymer material with specific fluorescence and afterglow emission capability is obtained through screening.
Further, the reversible addition-fragmentation chain transfer polymerization reagent is one of bis (diethylthiocarbamoyl) disulfide, 2-cyano-2-propyldodecyl trithiocarbonate, cyanomethyldodecyl carbonyl carbotrithioformate and tridecyl carbonyl carbotrithioformate.
Further, the initiator is Azobisisobutyronitrile (AIBN); the monomer is any one of acrylamide, acrylic acid and methacrylamide; the solvent is dioxane.
Further, the ratio is: the reversible addition-fragmentation chain transfer polymerization reagent, the initiator and the monomer are added into 80mL of solvent according to the molar ratio of 10:1:5-320. Preferably, the reversible addition-fragmentation chain transfer polymerization reagent, initiator, and monomer are added in a molar ratio of 10:1:5/10/20/40/80/160/320.
Further, the reaction is carried out for 12 hours at 70 ℃ under the protection of nitrogen.
The second object of the present invention is to provide a linear luminous polymer material prepared by the method for preparing the linear luminous polymer material with fluorescence and afterglow emission capability.
The invention further aims to provide application of the linear luminous high polymer material in the fields of anti-counterfeiting encryption, gas monitoring and biological imaging.
The invention has the beneficial effects that:
the method for preparing the linear luminous high molecular material with fluorescence and afterglow emission capability can accurately regulate and control the molecular weight of the material, obtain the excitation and emission spectra of the sample under the condition of strictly ensuring the consistency of test conditions, and obtain the semi-quantitative relation between the molecular weight increment and the changes of fluorescence and afterglow intensity and emission peak position. The invention can accurately guide the preparation of atypical luminous high molecular compounds with required luminous performance, so that the linear luminous high molecular material has wider application prospect.
Compared with the prior art, the luminescent polymer material which is successfully prepared and has controllable emission intensity and does not contain a strong conjugated structure realizes the customization according to the need, and expands the application potential of the material in the fields of anti-counterfeiting encryption, gas monitoring, biological images and the like. The method of the invention has the advantages of excellent stability, simple process, easy operation, low equipment cost, easy popularization and important significance and application value.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a photograph showing luminescence of four kinds of Polyacrylamide (PAM) powders with controllably increased molecular weight prepared in example 1 under 365nm ultraviolet lamp.
FIG. 2 is a spectrum showing the controllable increase of emission intensity of four kinds of Polyacrylamide (PAM) powders with controllable increase of molecular weight prepared in example 1 under 254nm excitation.
Fig. 3 shows the results of example 1 in which Polyacrylamide (PAM) powders having different luminous intensities were applied to the field of security encryption.
Detailed Description
The present invention will be described in further detail with reference to examples for better understanding of the technical scheme of the present invention to those skilled in the art.
Example 1
(1) Bis (diethylthiocarbamoyl) disulfide, an initiator AIBN and an acrylamide monomer are added into 80mL of dioxane according to the molar ratio of 10:1:5/20/80/320, and after the reaction is carried out for 12 hours under the protection of nitrogen atmosphere at 70 ℃, a powder sample is obtained through dialysis and freeze drying. FIG. 1 is a photograph showing luminescence of four kinds of Polyacrylamide (PAM) powder with controllable increase of molecular weight prepared in this example under 365nm ultraviolet lamp, and it is apparent that the luminescence intensity of Polyacrylamide (PAM) powder under 365nm ultraviolet lamp is enhanced with increase of molecular weight.
(2) The molecular weight of the powder and its distribution were precisely obtained using MALDI-TOF, and excitation and emission spectra of the powder with a controlled stepwise increase in molecular weight were obtained under test conditions where other experimental conditions than the sample itself were strictly controlled, as shown in fig. 2.
(3) Analyzing the data to obtain semi-quantitative relation between the molecular weight and the emission intensity of the PAM series: the increase in luminescence intensity is 1.0 times the increase in molecular weight, and the appropriate brightness of the powder is applied to the required field, here to the anti-counterfeit field, and fig. 3 shows the result of applying the Polyacrylamide (PAM) powder with different luminescence intensities to the anti-counterfeit field in this example, and the emission time is 4s after turning off the ultraviolet lamp.
Example 2
(1) The preparation method comprises the steps of adding an initiator AIBN and an acrylic acid monomer into 80mL of dioxane according to a molar ratio of 10:1:10/20/40/80, reacting for 12 hours at 70 ℃ under the protection of nitrogen atmosphere, and obtaining a powder sample through dialysis and freeze drying.
(2) The molecular weight and distribution of the powder are precisely obtained by using MALDI-TOF, and the excitation and emission spectra of the powder with controllable and gradually increased molecular weight are obtained under the test condition that other experimental conditions except the sample are strictly controlled to be consistent.
(3) Analyzing the data to obtain semi-quantitative relationship between the molecular weight and emission intensity of the series of PAAs: the luminous intensity is increased by 2.0 times of the molecular weight, and the powder with proper brightness is applied to the required field, wherein the powder is applied to the anti-counterfeiting encryption field, and the emission time is 2s after the ultraviolet lamp is turned off.
Example 3
(1) Cyanomethyl dodecyl carbonyl carbon trithioformate, initiator AIBN and acrylamide monomer in the molar ratio of 10 to 1 to 10/20/40/80 are added into 80mL dioxane, reacted at 70 deg.c in nitrogen atmosphere for 12 hr, and the mixture is dialyzed and freeze dried to obtain powder sample.
(2) The molecular weight and distribution of the powder are precisely obtained by using MALDI-TOF, and the excitation and emission spectra of the powder with controllable and gradually increased molecular weight are obtained under the test condition that other experimental conditions except the sample are strictly controlled to be consistent.
(3) Analyzing the data to obtain semi-quantitative relation between the molecular weight and the emission intensity of the PAM series: the luminous intensity is increased by 1.5 times of the molecular weight, and the powder with proper brightness is applied to the required field, the anti-counterfeiting encryption field and the emission time after the ultraviolet lamp is turned off is 5s.
Example 4
(1) Tridecyl carbonyl carbon trithioformic acid, initiator AIBN and acrylic acid monomer are added into 80mL of dioxane according to the molar ratio of 10:1:5/20/80/320, and after the reaction is carried out for 12 hours under the protection of nitrogen atmosphere at 70 ℃, a powder sample is obtained through dialysis and freeze drying.
(2) The molecular weight and distribution of the powder are precisely obtained by using MALDI-TOF, and the excitation and emission spectra of the powder with controllable and gradually increased molecular weight are obtained under the test condition that other experimental conditions except the sample are strictly controlled to be consistent.
(3) Analyzing the data to obtain semi-quantitative relationship between the molecular weight and emission intensity of the series of PAAs: the luminous intensity is increased by 1.8 times of the molecular weight, and the powder with proper brightness is applied to the required field, the anti-counterfeiting encryption field and the emission time after the ultraviolet lamp is turned off is 3s.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (7)
1. A method for preparing linear luminous high molecular material with controllable fluorescence and afterglow emission capability is characterized in that a reversible addition-fragmentation chain transfer polymerization method is adopted to prepare a series of luminous linear polymers with gradually increased molecular weight, which comprises the following steps:
adding a reversible addition-fragmentation chain transfer polymerization reagent, an initiator and a monomer into a solvent according to different proportions to react, and dialyzing, freeze-drying to obtain powder with gradually increased mass average molecular weight within the range of 500-50000;
the molecular weight and distribution of the powder are measured, the excitation spectrum and the emission spectrum of the powder are measured, the semi-quantitative relation between the molecular weight and the emission intensity is obtained through data analysis, and the linear luminous high polymer material with specific fluorescence and afterglow emission capability is obtained through screening.
2. The method for preparing a linear luminescent polymer material with controllable fluorescence and afterglow emission capabilities according to claim 1, wherein the reversible addition-fragmentation chain transfer polymerization reagent is one of bis (diethylthiocarbamoyl) disulfide, 2-cyano-2-propyldodecyl trithiocarbonate, cyanomethyldodecyl carbonyl carbon trithioformate and tridecyl carbonyl carbon trithioformate.
3. The method for preparing a linear luminous polymer material with fluorescence and afterglow emission capability controllable as claimed in claim 1, wherein the initiator is azobisisobutyronitrile; the monomer is any one of acrylamide, acrylic acid and methacrylamide; the solvent is dioxane.
4. The method for preparing the linear luminous high molecular material with controllable fluorescence and afterglow emission capability according to claim 1, wherein the ratio is as follows: the reversible addition-fragmentation chain transfer polymerization reagent, the initiator and the monomer are added into 80mL of solvent according to the molar ratio of 10:1:5-320.
5. The method for preparing the linear luminous polymer material with controllable fluorescence and afterglow emission capability according to claim 1, wherein the reaction is carried out for 12 hours at 70 ℃ under the protection of nitrogen.
6. A linear light-emitting polymer material produced by the method for controlling a linear light-emitting polymer material having fluorescence and afterglow emission capabilities according to any one of claims 1 to 5.
7. The application of the linear luminous polymer material as claimed in claim 6 in the fields of anti-counterfeiting encryption, gas monitoring and biological imaging.
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| CN202310072287.8A CN116217767A (en) | 2023-02-07 | 2023-02-07 | Method for controlling linear luminous high molecular material with fluorescence and afterglow emission capability |
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| CN202310072287.8A CN116217767A (en) | 2023-02-07 | 2023-02-07 | Method for controlling linear luminous high molecular material with fluorescence and afterglow emission capability |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102633700A (en) * | 2012-03-31 | 2012-08-15 | 天津大学 | Preparation of water-soluble RAFT (reversible addition-fragmentation) chain transfer agent and synthesis method for polyacrylic acid with low molecular weight |
| US20130267661A1 (en) * | 2010-09-30 | 2013-10-10 | Centre National De La Recherche Scientifique (C.N.R.S) | Preparation of Hydrophilic Polymers of High Mass by Controlled Radical Polymerization |
-
2023
- 2023-02-07 CN CN202310072287.8A patent/CN116217767A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130267661A1 (en) * | 2010-09-30 | 2013-10-10 | Centre National De La Recherche Scientifique (C.N.R.S) | Preparation of Hydrophilic Polymers of High Mass by Controlled Radical Polymerization |
| CN102633700A (en) * | 2012-03-31 | 2012-08-15 | 天津大学 | Preparation of water-soluble RAFT (reversible addition-fragmentation) chain transfer agent and synthesis method for polyacrylic acid with low molecular weight |
Non-Patent Citations (5)
| Title |
|---|
| QING ZHOU 等: "Emission mechanism understanding and tunable persistent room temperature phosphorescence of amorphous nonaromatic polymers", 《MATER. CHEM. FRONT.》, vol. 3, 1 February 2019 (2019-02-01), pages 257 - 264 * |
| SHUAIQI WANG 等: "Regulation of clusterization-triggered phosphorescence from a non-conjugated amorphous polymer: a platform for colorful afterglow", 《MATER. CHEM. FRONT.》, vol. 4, 17 February 2020 (2020-02-17), pages 1198 - 1205 * |
| 刘小培 等: "低分子量聚丙烯酰胺的RAFT聚合", 《河南科学》, vol. 34, no. 1, 31 January 2016 (2016-01-31), pages 29 - 31 * |
| 张远超: "羧酸、酰胺聚合物的可调长余辉性能研究", 《中国优秀硕士学位论文全文数据库》, no. 3, 15 March 2024 (2024-03-15), pages 014 - 284 * |
| 王国建: "《高分子现代合成方法与技术》", vol. 1, 31 July 2013, 同济大学出版社, pages: 75 - 76 * |
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