CN104311824A - Magnetic polymer based on polyethyleneimine and preparation method of magnetic polymer - Google Patents
Magnetic polymer based on polyethyleneimine and preparation method of magnetic polymer Download PDFInfo
- Publication number
- CN104311824A CN104311824A CN201410534892.3A CN201410534892A CN104311824A CN 104311824 A CN104311824 A CN 104311824A CN 201410534892 A CN201410534892 A CN 201410534892A CN 104311824 A CN104311824 A CN 104311824A
- Authority
- CN
- China
- Prior art keywords
- magnetic
- magnetic polymer
- polymer
- preparation
- vacuum
- 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
Abstract
The invention relates to magnetic polymer based on polyethyleneimine and a preparation method of the magnetic polymer. According to the preparation method, linear and branched polyethyleneimines are utilized as macromolecular reactants, and modification is carried out to synthesize the magnetic polymer. The preparation method concretely comprises the following steps: carrying out quaterisation on polyethyleneimine, carrying out ion exchang, replacing original anions by using four ferrous halogen anions to synthesize a main chain type magnetic polymer with a magnetic primitive element. According to the magnetic polymer disclosed by the invention, the molecular weight of PEI used by the polymer is 600Da-1000kDa, and Fe/N is 0.25-0.85. According to the preparation method disclosed by the invention, polyethyleneimines with different chain structures and molecular weights react with and methyl iodide to generate quaternary ammonium salts, and the quaternary ammonium salts are subjected to ion exchange and then react with metal halide to synthesize the polymer with the magnetic primitive element. The preparation method has the advantages of low cost, simple and convenient process, mild reaction conditions, simple operation steps and the like. The magnetic polymer has potential applications in the aspects of magnetic film materials, electromagnetic devices, wave absorbing materials, CO2 separation and adsorption and the like.
Description
Technical field
The present invention relates to class magnetic polymer and a synthetic method thereof, particularly based on the magnetic polymer and preparation method thereof of polymine; Linear and branched polyethylene imine (PEI) is utilized to be macromolecular reaction thing, the method for rear modification synthesizing magnetic polymkeric substance.
Background technology
Polymine (PEI), as the highest macromole of amino density, has unique physico-chemical property, therefore causes the research interest of a large amount of investigator to it.Boussif etc. (Boussif et al., Proceedings of the National Academy of Sciences, 92 (16), 7297-7301.) find that PEI can as gene transfection agent.Crosslinked quaternised PEI is mixed in medical resin by Beyth etc. (Beyth et al.Biomaterials27 (2006) 3995 – 4002.), is studied its anti-microbial effect.Hu (Hu et al., The Journal of Physical Chemistry B, 2005,109 (10): 4285-4289.) etc. adopt PEI carbon nano-tube modified and as substrate induction neuronal cell growth.PEI implants in porous silica material by Son etc. (Son et al., Microporous and Mesoporous Materials, 113 (1), 31-40.), explores its adsorption efficiency to CO2.Vinogradov etc. (Vinogradov et al., Mendeleev Communications, 19 (4), 222-223.) utilize PEI to synthesize porous C uO-Al2O3 matrix material as structure directing agent.Nowadays, PEI has been widely used in gene transfection, anti-biotic material, the sorbing material of CO2, multiple field such as composite porous.
But up to this point, also someone utilizes PEI to carry out modification synthesizing magnetic material.In recent years, magnetic polymer material shows unique advantage in the field such as information industry and biomedical engineering.In information storage material, Magneto separate, absorbing material, nuclear magnetic resonance and drug controlled release etc., having tempting application prospect especially, is one of hot subject of current research.Existing magnetic polymer material is roughly divided into two classes: a class mixes the magnetic composite of inorganic particle; Another kind of is magnetic high-molecular with magnetic group on master chain.There is the problem of poor compatibility in the former, the latter is complex process often, and cost is high.Preparation technology is simple, relative inexpensiveness and the controlled magnetic high-molecular synthetic method of magnetic property still belongs to blank.This patent is by quaternized to PEI, and ion-exchange, composite iron salt, first time synthesizes and characterizes the magnetic macromole based on PEI.
The document relevant to this patent be respectively: 2004 years, (the S.Hayashi et al. such as the Hyashi of Japan, Chemistry Letters, 2004,33,1590-1591.) synthesize first and report and close by quaternary ammonium salt cationic and tetrachloro the magnetic ionic liquids small molecules that iron anionic ion forms.2011, Hispanic
deng (M.
et al., Polymer Chemistry, 2011,2,1275-1278.) reported first closes the preparation of the poly ion liquid of iron negatively charged ion containing four halogen, carry out quaternized and anionresin by post-decoration method to polymkeric substance, compound four halogen closes liron anion thus prepares magnetic polymer afterwards.
Summary of the invention
The object of this invention is to provide a series of magnetic polymer based on polymine and preparation method thereof.
The technical scheme that technical solution problem of the present invention adopts:
Based on a magnetic polymer for polymine, it has following chemical structure of general formula:
The molecular weight wherein synthesizing A, B PEI used is at 600Da ~ 1000kDa; Fe/N is 0.25 ~ 0.85.
The synthetic method of polymkeric substance of the present invention, step is as follows:
(1) molecular weight is being dissolved in dehydrated alcohol at 600Da ~ 1000kDa polymine, is being added drop-wise in methyl iodide by atom N and methyl iodide mol ratio 1:0.6 ~ 10; At 20 ~ 50 DEG C, stirring reaction terminates, and centrifugal to obtain solid water-soluble, and precipitate in ethanol, centrifugal, vacuum-drying, obtains intermediate product a;
(2) by soluble in water for intermediate product a, in reaction system, add the chlorion exchange resin excessive relative to atom N, stirring reaction terminates, and filter, filtrate is revolved steaming, and vacuum-drying obtains intermediate product b;
(3) solid b is dissolved in methyl alcohol, adds the FeCl with quaternizing unit equivalent
36H
2o, stirring reaction terminates, and revolves steaming, and by product washing precipitation in ether, centrifugal, vacuum-drying obtains target product magnetic polymer.
The synthetic method of magnetic polymer of the present invention, utilizes linearly and branched polyethylene imine is macromolecular reaction thing, the method for rear modification synthesizing magnetic polymkeric substance.The preparation of itself is by quaternized by polymine, and ion-exchange, then closes liron anion with four halogen and replace the backbone chain type magnetic polymer that the synthesis of original negative ion has magnetic primitive.By the polymine of different chain structure and molecular weight and iodomethane reaction are generated quaternary ammonium salt, quaternary ammonium salt after ion-exchange with the polymkeric substance of metal halide Reactive Synthesis containing the primitive that is magnetic.Prepare the magnetic polymer of the backbone chain type different molecular weight being with linear and branched structure by this method.Provide a kind of synthetic method of novel, feasible, efficient magnetic polymer, the method has simple process, cost is low, reaction conditions is gentle feature.The magnetic polymer obtained can be used as magnetic film materials, absorbing material and CO
2be separated and sorbing material, than before material to have cost respectively low, magnetic is large, and the feature that stability is strong.
Accompanying drawing explanation
The nuclear magnetic spectrum of Fig. 1 embodiment 1 polymkeric substance 1b;
Fig. 2 embodiment 1 magnetic polymer A
1raman collection of illustrative plates;
Fig. 3 embodiment 1 magnetic polymer A
1superconductive quantum interference collection of illustrative plates;
Fig. 4 embodiment 2 magnetic polymer A
2superconductive quantum interference collection of illustrative plates.
Fig. 5 embodiment 3 magnetic polymer A
3superconductive quantum interference collection of illustrative plates.
Fig. 6 embodiment 4 magnetic polymer B
1superconductive quantum interference collection of illustrative plates.
Fig. 7 embodiment 5 magnetic polymer B
2superconductive quantum interference collection of illustrative plates.
Fig. 8 embodiment 6 magnetic polymer B
3superconductive quantum interference collection of illustrative plates.
Embodiment
Contribute to understanding the present invention further by following example, but do not limit the present invention.
Embodiment 1
Magnetic polymer A
1synthesis:
(1) the linear PEI (270.8mg, 6.3mmol) of molecular weight 600Da is dissolved in 5ml dehydrated alcohol, is added drop-wise in methyl iodide (4ml, 64.2mmol).At 42 DEG C, stir 60h, reaction terminates that rear centrifugal to obtain yellow solid water-soluble, and precipitate in ethanol, centrifugal, vacuum-drying, obtains intermediate product 1a.
(2) by soluble in water for 1a (146.0mg, 1.0mmol), in system, 4g chlorion exchange resin stirring reaction 8h is added.Filter, filtrate is revolved steaming, and vacuum-drying obtains faint yellow solid 1b, and obtaining quaternized transformation efficiency by table 1 ultimate analysis is 66%.Be illustrated in figure 1 the nucleus magnetic hydrogen spectrum of 1b,
1h NMR (500Hz, D
2o) chemical shift δ: 3.2-3.6 (the multiplet ,-CH be connected with quaternizing unit
2-,-CH
3), 2.7-3.2 (the multiplet ,-CH be connected with PEI unit
2-).
(3) by 1b (83.2mg, 1.0mmol) and the FeCl with quaternizing unit equivalent
36H
2o (170.4mg, 0.633mmol) is dissolved in 5ml methyl alcohol, stirs 16h, outstanding steams, and product anhydrous diethyl ether washs, and centrifugally obtains brown solid, and vacuum-drying obtains magnetic polymer A
1.Figure 2 shows that magnetic polymer A
1raman collection of illustrative plates.334cm in Raman collection of illustrative plates
-1place is FeCl
4 -the absorption peak of Fe-Cl in ion, conforms to document (S.Hayashi et al., Chemistry Letters, 2004,33,1590-1591.).Magnetic polymer A as shown in Figure 3
1superconductive quantum interference collection of illustrative plates be one and cross the straight line of initial point, illustrate that it has paramagnetism.
Embodiment 2
Magnetic polymer A
2synthesis:
(1) the linear PEI (268.7mg, 6.2mmol) of molecular weight 1000kDa is dissolved in 5ml dehydrated alcohol, is added drop-wise in methyl iodide (3.9ml, 62.6mmol).At 50 DEG C, stir 100h, reaction terminates that rear centrifugal to obtain yellow solid water-soluble, and precipitate in ethanol, centrifugal, vacuum-drying, obtains intermediate product 2a.
(2) by soluble in water for 2a (175.6mg, 1.0mmol), in system, 4g chlorion exchange resin stirring reaction 12h is added.Filter, filtrate is revolved steaming, and vacuum-drying obtains faint yellow solid 2b, and obtaining quaternized transformation efficiency by table 1 ultimate analysis is 85%.
(3) by 2b (83.2mg, 1.0mmol) and the FeCl with quaternizing unit equivalent
36H
2o (170.4mg, 0.633mmol) is dissolved in 5ml methyl alcohol, stirs 24h, outstanding steams, and product anhydrous diethyl ether washs, and centrifugally obtains brown solid, and vacuum-drying obtains magnetic polymer A
2.Magnetic polymer A as shown in Figure 4
2superconductive quantum interference collection of illustrative plates be one and cross the straight line of initial point, illustrate that it has paramagnetism.
Embodiment 3
Magnetic polymer A
3synthesis:
(1) the linear PEI (268.7mg, 6.2mmol) of molecular weight 10kDa is dissolved in 5ml dehydrated alcohol, is added drop-wise in methyl iodide (0.23ml, 0.37mmol).At 20 DEG C, stir 1h, reaction terminates that rear centrifugal to obtain yellow solid water-soluble, and precipitate in ethanol, centrifugal, vacuum-drying, obtains intermediate product 3a.
(2) by soluble in water for 3a (82.1mg, 1.0mmol), in system, 4g chlorion exchange resin stirring reaction 12h is added.Filter, filtrate is revolved steaming, and vacuum-drying obtains faint yellow solid 3b, and obtaining quaternized transformation efficiency by table 1 ultimate analysis is 25%.
(3) by 3b (59.1mg, 1.0mmol) and the FeCl with quaternizing unit equivalent
36H
2o (170.4mg, 0.633mmol) is dissolved in 5ml methyl alcohol, stirs 24h, outstanding steams, and product anhydrous diethyl ether washs, and centrifugally obtains brown solid, and vacuum-drying obtains magnetic polymer A
3.Magnetic polymer A as shown in Figure 5
3superconductive quantum interference collection of illustrative plates be one and cross the straight line of initial point, illustrate that it has paramagnetism.
Embodiment 4
Magnetic polymer B
1synthesis:
(1) the side chain PEI (344.3mg, 8.0mmol) of molecular weight 0.18kDa is dissolved in 5ml dehydrated alcohol, is slowly added drop-wise in methyl iodide (2.5ml, 40.1mmol).At 40 DEG C, stir 48h, reaction terminates that rear centrifugal to obtain yellow solid water-soluble, and precipitate in ethanol, centrifugal, vacuum-drying, obtains intermediate product 4a.
(2) by soluble in water for 4a (114.8mg, 1.0mmol), in system, 4g chlorion exchange resin stirring reaction 12h is added.Filter, solution is revolved steaming, and vacuum-drying obtains faint yellow solid 4b, and obtaining quaternized transformation efficiency by table 1 ultimate analysis is 46%.(3) by 4b (72.2mg, 1.0mmol) and the FeCl with quaternizing unit equivalent
36H
2o (124.4mg, 0.46mmol) is dissolved in 5ml methyl alcohol, stirs 16h, and outstanding steaming, the washing precipitation of product anhydrous diethyl ether obtains Tan solid, and vacuum-drying obtains magnetic polymer B
1.Magnetic polymer B as shown in Figure 6
1superconductive quantum interference collection of illustrative plates amplify after have a magnetic hysteresis loop, illustrate that it has ferromegnetism.
Embodiment 5
Magnetic polymer B
2synthesis:
(1) the side chain PEI (258.1mg, 6.0mmol) of molecular weight 10kDa is dissolved in 5ml dehydrated alcohol, is slowly added drop-wise in methyl iodide (3.0ml, 60.0mmol).At 40 DEG C, stir 60h, reaction terminates that rear centrifugal to obtain yellow solid water-soluble, and precipitate in ethanol, centrifugal, vacuum-drying, obtains intermediate product 5a.
(2) by soluble in water for 5a (139.8mg, 1.0mmol), in system, 5g chlorion exchange resin stirring reaction 12h is added.Filter, solution is revolved steaming, and vacuum-drying obtains faint yellow solid 5b, and obtaining quaternized transformation efficiency by table 1 ultimate analysis is 62%.
(3) by 5b (83.0mg, 1.0mmol) and the FeCl with quaternizing unit equivalent
36H
2o (124.4mg, 0.46mmol) is dissolved in 5ml methyl alcohol, stirs 16h, and outstanding steaming, the washing precipitation of product anhydrous diethyl ether obtains Tan solid, and vacuum-drying obtains magnetic polymer B
2.Magnetic polymer B as shown in Figure 7
2superconductive quantum interference collection of illustrative plates amplify after have a magnetic hysteresis loop, illustrate that it has ferromegnetism.
Embodiment 6
Magnetic polymer B
3synthesis:
(1) the side chain PEI (266.5mg, 6.2mmol) of molecular weight 100kDa is dissolved in 5ml dehydrated alcohol, is slowly added drop-wise in methyl iodide (2.5ml, 40.1mmol).At 50 DEG C, stir 72h, reaction terminates that rear centrifugal to obtain yellow solid water-soluble, and precipitate in ethanol, centrifugal, vacuum-drying, obtains intermediate product 6a.
(2) by soluble in water for 6a (153.7mg, 1.0mmol), in system, 4g chlorion exchange resin stirring reaction 12h is added.Filter, solution is revolved steaming, and vacuum-drying obtains faint yellow solid 6b, and obtaining quaternized transformation efficiency by table 1 ultimate analysis is 71%.
(3) by 6b (88.8mg, 1.0mmol) and the FeCl with quaternizing unit equivalent
36H
2o (124.4mg, 0.46mmol) is dissolved in 5ml methyl alcohol, stirs 16h, and outstanding steaming, the washing precipitation of product anhydrous diethyl ether obtains Tan solid, and vacuum-drying obtains magnetic polymer B
3.Magnetic polymer B as shown in Figure 8
3superconductive quantum interference collection of illustrative plates amplify after have a magnetic hysteresis loop, illustrate that it has ferromegnetism.
Table 1
Above to invention has been exemplary description; and it is nonrestrictive; the present invention is not limited to the technology described in embodiment; authority limited by claim; can change according to the present invention based on the art personnel, technology related to the present invention that the method such as restructuring obtains, all within protection scope of the present invention.
Claims (3)
1., based on a magnetic polymer for polymine, it is characterized in that it has following chemical structure of general formula:
Wherein synthesize the molecular weight of A, B PEI used at 600Da ~ 1000kDa; Fe/N is 0.25 ~ 0.85.
2. the synthetic method of the polymkeric substance of claim 1, is characterized in that step is as follows:
(1) molecular weight is being dissolved in dehydrated alcohol at 600Da ~ 1000kDa polymine, is being added drop-wise in methyl iodide by atom N and methyl iodide mol ratio 1:0.6 ~ 10; At 20 ~ 50 DEG C, stirring reaction terminates, and centrifugal to obtain solid water-soluble, and precipitate in ethanol, centrifugal, vacuum-drying, obtains intermediate product a;
(2) by soluble in water for intermediate product a, in reaction system, add the chlorion exchange resin excessive relative to atom N, stirring reaction terminates, and filter, filtrate is revolved steaming, and vacuum-drying obtains intermediate product b;
(3) solid b is dissolved in methyl alcohol, adds the FeCl with quaternizing unit equivalent
36H
2o, stirring reaction terminates, and revolves steaming, and by product washing precipitation in ether, centrifugal, vacuum-drying obtains target product magnetic polymer.
3. the magnetic polymer based on polymine is preparing magnetic film materials, electromagnetic device, absorbing material and CO
2the application of the aspects such as separation and sorbing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410534892.3A CN104311824B (en) | 2014-10-11 | 2014-10-11 | Magnetic polymer based on polymine and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410534892.3A CN104311824B (en) | 2014-10-11 | 2014-10-11 | Magnetic polymer based on polymine and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104311824A true CN104311824A (en) | 2015-01-28 |
| CN104311824B CN104311824B (en) | 2016-05-11 |
Family
ID=52367151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410534892.3A Expired - Fee Related CN104311824B (en) | 2014-10-11 | 2014-10-11 | Magnetic polymer based on polymine and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104311824B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106146835A (en) * | 2016-07-13 | 2016-11-23 | 北京化工大学 | A kind of high molecular quaternary Antibacterial agent preparation method and application |
| CN107163247A (en) * | 2017-05-25 | 2017-09-15 | 南京工业大学 | A kind of preparation method of linear polyamidoamine |
| CN113248706A (en) * | 2021-04-20 | 2021-08-13 | 西北工业大学 | Porous organic polymer with specific function and pore structure and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101781437A (en) * | 2010-01-12 | 2010-07-21 | 南京大学 | Magnetic acrylic acid series strongly basic anion exchange microballoon resin and preparation method thereof |
| CN102327768A (en) * | 2011-08-16 | 2012-01-25 | 湖南大学 | Imido magnetic nano-adsorbent as well as preparation method and application thereof |
| CN103992309A (en) * | 2014-05-30 | 2014-08-20 | 天津大学 | Side chain type magnetic monomer and polymer and controllable synthesis method thereof |
| WO2014127357A1 (en) * | 2013-02-15 | 2014-08-21 | The Regents Of The University Of California | Supramolecular magnetic nanoparticles |
| CN104003926A (en) * | 2014-05-30 | 2014-08-27 | 天津大学 | Alkyl ammonium salt-based side chain type magnetic monomer and polymer as well as preparation method and application thereof |
-
2014
- 2014-10-11 CN CN201410534892.3A patent/CN104311824B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101781437A (en) * | 2010-01-12 | 2010-07-21 | 南京大学 | Magnetic acrylic acid series strongly basic anion exchange microballoon resin and preparation method thereof |
| CN102327768A (en) * | 2011-08-16 | 2012-01-25 | 湖南大学 | Imido magnetic nano-adsorbent as well as preparation method and application thereof |
| WO2014127357A1 (en) * | 2013-02-15 | 2014-08-21 | The Regents Of The University Of California | Supramolecular magnetic nanoparticles |
| CN103992309A (en) * | 2014-05-30 | 2014-08-20 | 天津大学 | Side chain type magnetic monomer and polymer and controllable synthesis method thereof |
| CN104003926A (en) * | 2014-05-30 | 2014-08-27 | 天津大学 | Alkyl ammonium salt-based side chain type magnetic monomer and polymer as well as preparation method and application thereof |
Non-Patent Citations (3)
| Title |
|---|
| BIBO WANG ET AL: ""Enhancement on physical properties of flame retarded ethylene-vinyl acetate copolymer/ferric pyrophosphate composites through electron beam irradiation"", 《COMPOSITEA:PART B》 * |
| SATOSHI HAYASHI ET AL: ""Discovery of a Magnetic Ionic Liquid [bmim]FeCl4"", 《CHEMISTRY LETTERS》 * |
| SHENGQI LI ET AL: ""Unique properties of polyaniline in the presence of applied magnetic field and ferric chloride"", 《MATERIALS CHEMISTRY AND PHYSICS》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106146835A (en) * | 2016-07-13 | 2016-11-23 | 北京化工大学 | A kind of high molecular quaternary Antibacterial agent preparation method and application |
| CN106146835B (en) * | 2016-07-13 | 2018-10-23 | 北京化工大学 | A kind of high molecular quaternary Antibacterial agent preparation method and application |
| CN107163247A (en) * | 2017-05-25 | 2017-09-15 | 南京工业大学 | A kind of preparation method of linear polyamidoamine |
| CN113248706A (en) * | 2021-04-20 | 2021-08-13 | 西北工业大学 | Porous organic polymer with specific function and pore structure and preparation method thereof |
| CN113248706B (en) * | 2021-04-20 | 2022-07-26 | 西北工业大学 | Porous organic polymer with specific function and pore structure and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104311824B (en) | 2016-05-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Yang et al. | Facile fabrication of functional polypyrrole nanotubes via a reactive self‐degraded template | |
| Ma et al. | Synthesis and characterization of micron‐sized monodisperse superparamagnetic polymer particles with amino groups | |
| Lakouraj et al. | Nanogel and super-paramagnetic nanocomposite of thiacalix [4] arene functionalized chitosan: Synthesis, characterization and heavy metal sorption | |
| Zhu et al. | Fully crosslinked poly [cyclotriphosphazene‐co‐(4, 4′‐sulfonyldiphenol)] microspheres via precipitation polymerization and their superior thermal properties | |
| Wang et al. | Nanoscale fluorescent metal–organic framework@ microporous organic polymer composites for enhanced intracellular uptake and bioimaging | |
| Genš et al. | Quaternized poly (1-vinylimidazole) hydrogel for anion adsorption | |
| CN104311824A (en) | Magnetic polymer based on polyethyleneimine and preparation method of magnetic polymer | |
| Feng et al. | Better understanding the polymerization kinetics of ultrasonic-template method and new insight on sludge floc characteristics research | |
| CN109647364B (en) | Preparation method of recyclable magnetic adsorption material for heavy metal treatment | |
| Cao et al. | The synthesis of magnetic lysozyme‐imprinted polymers by means of distillation–precipitation polymerization for selective protein enrichment | |
| McHale et al. | Synthesis of Prussian blue coordination polymer nanocubes via confinement of the polymerization field using miniemulsion periphery polymerization (MEPP) | |
| CN106279442A (en) | The preparation method of a kind of ion liquid functionalization cellulose and cellulose and application | |
| CN104003926B (en) | Based on the side chain type magnetic monomer of alkylammonium salt, polymer and its preparation method and application | |
| CN108997504B (en) | Preparation method of ionic liquid functionalized cellulose carbamate material | |
| Ozturk et al. | Highly regenerable ionic liquid microgels as inherently metal‐free green catalyst for H2 generation | |
| Li et al. | Preparation of an ionic liquid-based hydrogel with hyperbranched topology for efficient removal of Cr (VI) | |
| Wu et al. | Template size matched film thickness for effectively in situ surface imprinting: A model study of glycoprotein imprints | |
| Cho et al. | Iron Coordination to Hollow Microporous Metal‐Free Disalphen Networks: Heterogeneous Iron Catalysts for CO2 Fixation to Cyclic Carbonates | |
| CN103992309B (en) | Side chain type magnetic monomer, polymkeric substance and controllable synthesis method thereof | |
| Kim et al. | Synthesis of a pH‐Sensitive PEO‐Based Block Copolymer and its Application for the Stabilization of Iron Oxide Nanoparticles | |
| Asl et al. | Tungstic acid-functionalized polycalix [4] resorcinarene as a cavity-containing hyper-branched supramolecular and recoverable acidic catalyst in 4 H-pyran synthesis | |
| Arghan et al. | Sulfonated-polyvinyl amine coated on Fe 3 O 4 nanoparticles: A high-loaded and magnetically separable acid catalyst for multicomponent reactions | |
| CN103834197A (en) | Preparation method of organic montmorillonite modified by supermolecular liquid crystal polymer | |
| Feng et al. | A microblock structure type of anionic flocculant for hematite wastewater treatment: template copolymerization mechanism and enhanced flocculation effect | |
| Li et al. | An ion-imprinted polymer supported by attapulgite with a chitosan incorporated sol–gel process for selective separation of Ce (III) |
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: 20160511 Termination date: 20211011 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |