CN105148879A - Method for preparing rhodamine molecularly imprinted membrane and application thereof - Google Patents
Method for preparing rhodamine molecularly imprinted membrane and application thereof Download PDFInfo
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- CN105148879A CN105148879A CN201510652117.2A CN201510652117A CN105148879A CN 105148879 A CN105148879 A CN 105148879A CN 201510652117 A CN201510652117 A CN 201510652117A CN 105148879 A CN105148879 A CN 105148879A
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- rhodamine
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- membrane
- solution
- molecular engram
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- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical compound [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title claims abstract description 35
- 239000012528 membrane Substances 0.000 title abstract description 20
- 229940043267 rhodamine b Drugs 0.000 claims abstract description 56
- 229920002492 poly(sulfone) Polymers 0.000 claims abstract description 45
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000003756 stirring Methods 0.000 claims abstract description 26
- ZCHPKWUIAASXPV-UHFFFAOYSA-N acetic acid;methanol Chemical compound OC.CC(O)=O ZCHPKWUIAASXPV-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000011521 glass Substances 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000005266 casting Methods 0.000 claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims abstract description 14
- 238000001035 drying Methods 0.000 claims abstract description 13
- 239000000376 reactant Substances 0.000 claims abstract description 13
- 238000001179 sorption measurement Methods 0.000 claims abstract description 5
- 238000005406 washing Methods 0.000 claims abstract description 3
- 238000001291 vacuum drying Methods 0.000 claims description 23
- 238000010345 tape casting Methods 0.000 claims description 12
- 238000005352 clarification Methods 0.000 claims description 11
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 6
- 238000002791 soaking Methods 0.000 abstract description 8
- 238000002360 preparation method Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 abstract 3
- 239000002351 wastewater Substances 0.000 description 7
- 239000000975 dye Substances 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 229920000344 molecularly imprinted polymer Polymers 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007954 hypoxia Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Manufacture Of Macromolecular Shaped Articles (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention relates to a method for preparing a rhodamine molecularly imprinted membrane. The method includes the following steps: adding polysulfone into N,N-dimethyl formamide, stirring with a rotor to enable polysulfone to dissolve fully; after polysulfone is fully dissolved, adding acrylamide and rhodamine B and then adding azodiisobutyronitrile, stirring continuously to enable the reactants to be in full contact for reaction; after the reaction is completed, leaving to stand and defoaming a casting membrane solution; casting membrane on a horizontal glass plate by adopting a flow casting method; after the membrane is dried out, peeling off the membrane and placing the membrane in a methanol-acetic acid solution for soaking until the solution is clarified; taking the membrane out, washing with water, and drying until the weight is constant, so as to obtain the rhodamine B molecularly imprinted membrane. According to the method for preparing the rhodamine molecularly imprinted membrane, provided by the invention, the steps are simple, the preparation period is short, and the membrane has specificity for adsorption of the rhodamine B; polysulfone is used as a base material of the membrane, so that the membrane is relatively low in water content, and the stability of the membrane in water solution is improved.
Description
Technical field
The invention belongs to membrane preparation technology field, relate to molecular imprinting, be specifically related to preparation method and the application thereof of rhodamine molecular engram film.
Background technology
The principal element of waste water from dyestuff colourity is caused to be exactly dyestuff.Dyestuff in waste water can absorb light, and reduce the transparency of water body, thus the photosynthesis of water plant is weakened, water body natural ecosystems are unbalance.The large amount of organic simultaneously contained in waste water from dyestuff can consume the oxygen in water, causes water hypoxia, threatens aquatile and growth of microorganism, destroys the self-purification of water.Easily cause visual pollution simultaneously.The water body of severe contamination can have influence on the health of the mankind.Therefore the process containing waste water from dyestuff is just seemed very important.At present, the method for process industrial wastewater is loaded down with trivial details, cost is high.Therefore need to set up a kind of cost method low, easy and simple to handle to process waste water.Adsorption method is cheap, easy sewage water treatment method, is in research and trial period with the waste water that its process contains rhodamine B.In current research, the method process trade effluent of film absorption is adopted to have poor stability and the shortcoming of selectivity difference in the solution.
Summary of the invention
The present invention is directed to above-mentioned problems of the prior art, a kind of simple and easy method preparing rhodamine molecular engram film is provided, prepared molecular engram membrane material has high adsorption capacity and good swelling behavior, can be used as adsorbent in sewage disposal to use, solve in prior art and process trade effluent there is poor stability and the shortcoming of selectivity difference in the solution.
The preparation method of rhodamine molecular engram film of the present invention comprises the steps:
Joined by 1g polysulfones in the flask of the DMF containing 10-30mL, rotor stirs and makes it fully dissolve; After polysulfones dissolves completely, add the acrylamide and rhodamine B that account for polysulfones quality 1%-3%, rhodamine B and acrylamide mol ratio is made to be 1:2-10, and add azodiisobutyronitrile, the addition of azodiisobutyronitrile is the 0.03-0.08% of gross mass, continues stirring and makes the abundant haptoreaction 20-40min of reactant; After reaction terminates, by casting solution standing and defoaming, the tape casting is adopted to water film on horizontal glass plate; Glass plate is placed in the drying box vacuum drying of 50-70 DEG C, is taken off after film parches completely; Be placed in by the film taken off after 80-120mL methanol-acetic acid solution soaks 50-80min, the methanol-acetic acid solution more renewed continues to soak 1h, and then changes the solution soaked, and so circulates, until solution clarification; After being taken out by film, washing, is then put in 40 by film
oin the vacuum drying chamber of C, dry to constant weight, obtain the molecular engram film of rhodamine B.
Described rhodamine B and acrylamide mol ratio are respectively 1:2,1:4,1:6,1:8 or 1:10.
The addition of described azodiisobutyronitrile is 0.05% of gross mass.
In described methanol-acetic acid solution, the volume ratio of methyl alcohol and acetic acid is 9:1.
Be applied to dye, rhodamine B adsorption process.
Molecular engram film prepared by the present invention has stable structure, and the lower (see figure 3) of its moisture content under room temperature, illustrates that molecular engram film has good stability in the solution.In sum, molecular engram film prepared by the present invention, compared with the composite membrane used, has the following advantages with existing process waste water:
(1) the molecular engram film step prepared of the present invention is simple, and manufacturing cycle is short.To the absorption of rhodamine B, there is selectivity.
(2) take polysulfones as film base-material, film can be made to have lower moisture content, thus improve film stability in aqueous.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of this molecular engram film preparation process.
Fig. 2 is polysulfones (PSF), the infared spectrum of embodiment 5 and embodiment 6.Acrylamide characteristic peak occurs in the spectrogram of this molecular engram film as can be seen from Figure, illustrates in film to there is acrylamide, is contrasted from the molecular engram film before and after wash-out simultaneously, and existing part rhodamine B molecule is by wash-out and form molecular engram.
Fig. 3 is embodiment 1, embodiment 2, embodiment 3, and molecular engram film prepared by embodiment 4 and embodiment 5 soaks the measurement of water-content coefficient result after different time at ambient temperature in deionized water.
Fig. 4 is embodiment 1, embodiment 2, embodiment 3, and molecular engram film prepared by embodiment 4 and embodiment 5 is to the absorption result of rhodamine B (RB).
Table 1 is embodiment 1, embodiment 2, embodiment 3, molecular engram film hot strength at room temperature prepared by embodiment 4 and embodiment 5, the measurement result of elongation at break.
Detailed description of the invention
Further illustrate method of the present invention by the following examples.
embodiment 1
Prepare rhodamine B molecular engram film method step as follows.
Joined by 1g polysulfones in the flask of the DMF containing 20mL, rotor stirs and makes it fully dissolve; After polysulfones dissolves completely, add the acrylamide and rhodamine B that account for polysulfones quality 2%, make rhodamine B and acrylamide mol ratio be respectively 1:2, and add the azodiisobutyronitrile that mass fraction is 0.05%, continue stirring and make the abundant haptoreaction 0.5h of reactant; After reaction terminates, by casting solution standing and defoaming, the tape casting is adopted to water film on horizontal glass plate.Glass plate is placed in the drying box vacuum drying of 60 DEG C, after film parches completely, it is taken off gently.Be placed on after soaking 1h in 100mL methanol-acetic acid (9:1, V/V) solution, the methanol-acetic acid solution more renewed continues to soak 1h, and then changes the solution soaked, and so circulates, until solution clarification.After film is taken out, wash three times, then film is put in 40
oin the vacuum drying chamber of C, dry to constant weight, obtain the molecular engram film of rhodamine B.
embodiment 2
Prepare rhodamine B molecular engram film method step as follows.
Joined by 1g polysulfones in the flask in the DMF having 20mL, rotor stirs and makes it fully dissolve; After polysulfones dissolves completely, add the acrylamide and rhodamine B that account for polysulfones quality 2%, make rhodamine B and acrylamide mol ratio be respectively 1:4, and add the azodiisobutyronitrile that mass fraction is 0.05%, continue stirring and make the abundant haptoreaction 0.5h of reactant; After reaction terminates, by casting solution standing and defoaming, the tape casting is adopted to water film on horizontal glass plate.Glass plate is placed in the drying box vacuum drying of 60 DEG C, after film parches completely, it is taken off gently.Be placed on after soaking 1h in 100mL methanol-acetic acid (9:1, V/V) solution, the methanol-acetic acid solution more renewed continues to soak 1h, and then changes the solution soaked, and so circulates, until solution clarification.After film is taken out, wash three times, then film is put in 40
oin the vacuum drying chamber of C, dry to constant weight, obtain the molecular engram film of rhodamine B.
embodiment 3
Prepare rhodamine B molecular engram film method step as follows.
Joined by 1g polysulfones in the flask of the DMF containing 20mL, rotor stirs and makes it fully dissolve; After polysulfones dissolves completely, add the acrylamide and rhodamine B that account for polysulfones quality 2%, make rhodamine B and acrylamide mol ratio be respectively 1:6, and add the azodiisobutyronitrile that mass fraction is 0.05%, continue stirring and make the abundant haptoreaction 0.5h of reactant; After reaction terminates, by casting solution standing and defoaming, the tape casting is adopted to water film on horizontal glass plate.Glass plate is placed in the drying box vacuum drying of 60 DEG C, after film parches completely, it is taken off gently.Be placed on after soaking 1h in 100mL methanol-acetic acid (9:1, V/V) solution, the methanol-acetic acid solution more renewed continues to soak 1h, and then changes the solution soaked, and so circulates, until solution clarification.After film is taken out, wash three times, then film is put in 40
oin the vacuum drying chamber of C, dry to constant weight, obtain the molecular engram film of rhodamine B.
embodiment 4
Prepare rhodamine B molecular engram film method step as follows.
Joined by 1g polysulfones in the flask of the DMF containing 20mL, rotor stirs and makes it fully dissolve; After polysulfones dissolves completely, add the acrylamide and rhodamine B that account for polysulfones quality 2%, make rhodamine B and acrylamide mol ratio be respectively 1:8, and add the azodiisobutyronitrile that mass fraction is 0.05%, continue stirring and make the abundant haptoreaction 0.5h of reactant; After reaction terminates, by casting solution standing and defoaming, the tape casting is adopted to water film on horizontal glass plate.Glass plate is placed in the drying box vacuum drying of 60 DEG C, after film parches completely, it is taken off gently.Be placed on after soaking 1h in 100mL methanol-acetic acid (9:1, V/V) solution, the methanol-acetic acid solution more renewed continues to soak 1h, and then changes the solution soaked, and so circulates, until solution clarification.After film is taken out, wash three times, then film is put in 40
oin the vacuum drying chamber of C, dry to constant weight, obtain the molecular engram film of rhodamine B.
embodiment 5
Prepare rhodamine B molecular engram film method step as follows.
Joined by 1g polysulfones in the flask of the DMF containing 20mL, rotor stirs and makes it fully dissolve; After polysulfones dissolves completely, add the acrylamide and rhodamine B that account for polysulfones quality 2%, make rhodamine B and acrylamide mol ratio be respectively 1:10, and add the azodiisobutyronitrile that mass fraction is 0.05%, continue stirring and make the abundant haptoreaction 0.5h of reactant; After reaction terminates, by casting solution standing and defoaming, the tape casting is adopted to water film on horizontal glass plate.Glass plate is placed in the drying box vacuum drying of 60 DEG C, after film parches completely, it is taken off gently.Be placed on after soaking 1h in 100mL methanol-acetic acid (9:1, V/V) solution, the methanol-acetic acid solution more renewed continues to soak 1h, and then changes the solution soaked, and so circulates, until solution clarification.After film is taken out, wash three times, then film is put in 40
oin the vacuum drying chamber of C, dry to constant weight, obtain the molecular engram film of rhodamine B.
embodiment 6
Prepare rhodamine B molecular engram film method step as follows.
Joined by 1g polysulfones in the flask of the DMF containing 20mL, rotor stirs and makes it fully dissolve; After polysulfones dissolves completely, add the acrylamide and rhodamine B that account for polysulfones quality 2%, make rhodamine B and acrylamide mol ratio be respectively 1:2, and add the azodiisobutyronitrile that mass fraction is 0.05%, continue stirring and make the abundant haptoreaction 0.5h of reactant; After reaction terminates, by casting solution standing and defoaming, the tape casting is adopted to water film on horizontal glass plate.Glass plate is placed in the drying box vacuum drying of 60 DEG C, after film parches completely, it is taken off gently.
embodiment 7
Prepare rhodamine B molecular engram film method step as follows.
Joined by 1g polysulfones in the flask of the DMF containing 20mL, rotor stirs and makes it fully dissolve; After polysulfones dissolves completely, add the acrylamide and rhodamine B that account for polysulfones quality 1%, make rhodamine B and acrylamide mol ratio be respectively 1:10, and add the azodiisobutyronitrile that mass fraction is 0.05%, continue stirring and make the abundant haptoreaction 0.5h of reactant; After reaction terminates, by casting solution standing and defoaming, the tape casting is adopted to water film on horizontal glass plate.Glass plate is placed in the drying box vacuum drying of 60 DEG C, after film parches completely, it is taken off gently.Be placed on after soaking 1h in 100mL methanol-acetic acid (9:1, V/V) solution, the methanol-acetic acid solution more renewed continues to soak 1h, and then changes the solution soaked, and so circulates, until solution clarification.After film is taken out, wash three times, then film is put in 40
oin the vacuum drying chamber of C, dry to constant weight, obtain the molecular engram film of rhodamine B.
embodiment 8
Prepare rhodamine B molecular engram film method step as follows.
Joined by 1g polysulfones in the flask of the DMF containing 20mL, rotor stirs and makes it fully dissolve; After polysulfones dissolves completely, add the acrylamide and rhodamine B that account for polysulfones quality 3%, make rhodamine B and acrylamide mol ratio be respectively 1:10, and add the azodiisobutyronitrile that mass fraction is 0.05%, continue stirring and make the abundant haptoreaction 0.5h of reactant; After reaction terminates, by casting solution standing and defoaming, the tape casting is adopted to water film on horizontal glass plate.Glass plate is placed in the drying box vacuum drying of 60 DEG C, after film parches completely, it is taken off gently.Be placed on after soaking 1h in 100mL methanol-acetic acid (9:1, V/V) solution, the methanol-acetic acid solution more renewed continues to soak 1h, and then changes the solution soaked, and so circulates, until solution clarification.After film is taken out, wash three times, then film is put in 40
oin the vacuum drying chamber of C, dry to constant weight, obtain the molecular engram film of rhodamine B.
embodiment 9
Joined by 1g polysulfones in the flask of the DMF containing 10mL, rotor stirs and makes it fully dissolve; After polysulfones dissolves completely, add the acrylamide and rhodamine B that account for polysulfones quality 1%, make rhodamine B and acrylamide mol ratio be 1:2, and add azodiisobutyronitrile, the addition of azodiisobutyronitrile is 0.03% of gross mass, continues stirring and makes the abundant haptoreaction 20min of reactant; After reaction terminates, by casting solution standing and defoaming, the tape casting is adopted to water film on horizontal glass plate; Glass plate is placed in the drying box vacuum drying of 50 DEG C, is taken off after film parches completely; Be placed in by the film taken off after 80mL methanol-acetic acid (9:1, V/V) solution soaks 50min, the methanol-acetic acid solution more renewed continues to soak 1h, and then changes the solution soaked, and so circulates, until solution clarification; After film is taken out, wash three times, then film is put in 40
oin the vacuum drying chamber of C, dry to constant weight, obtain the molecular engram film of rhodamine B.
embodiment 10
Joined by 1g polysulfones in the flask of the DMF containing 30mL, rotor stirs and makes it fully dissolve; After polysulfones dissolves completely, add the acrylamide and rhodamine B that account for polysulfones quality 3%, make rhodamine B and acrylamide mol ratio be 1:10, and add azodiisobutyronitrile, the addition of azodiisobutyronitrile is 0.08% of gross mass, continues stirring and makes the abundant haptoreaction 40min of reactant; After reaction terminates, by casting solution standing and defoaming, the tape casting is adopted to water film on horizontal glass plate; Glass plate is placed in the drying box vacuum drying of 70 DEG C, is taken off after film parches completely; Be placed in by the film taken off after 120mL methanol-acetic acid (9:1, V/V) solution soaks 80min, the methanol-acetic acid solution more renewed continues to soak 1h, and then changes the solution soaked, and so circulates, until solution clarification; After film is taken out, wash three times, then film is put in 40
oin the vacuum drying chamber of C, dry to constant weight, obtain the molecular engram film of rhodamine B.
The present invention is with poly-maple for host material, and take rhodamine B as template molecule, acrylamide is function monomer, and azodiisobutyronitrile (AIBN) is initator, and preparation has the film of imprinted sites.Polysulfones (PSF) is the aromatic thermoplastic macromolecular material of a class containing sulfuryl on molecular backbone, has good thermoplasticity, chemical stability and good mechanical performance, and cheap and easy to get.With it for film base-material can improve film swelling behavior in the solution significantly.Compared with traditional molecularly imprinted polymer, the loaded down with trivial details preparation technology such as molecular imprinted polymer membrane does not need to grind, sieve, and have resistance to mass tranfer little, be easy to the features such as application.Molecular engram film can provide the Prof. Du Yucang sensitive membrane of high selectivity, high stability, anti-strong acid and strong base environment capacity.
table 1
| Membrane | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| TS(MPa) | 4.41 | 5.35 | 6.39 | 7.23 | 7.93 |
| Eb(%) | 6.25 | 5.68 | 4.45 | 3.76 | 2.73 |
Claims (5)
1. prepare a method for rhodamine molecular engram film, it is characterized in that comprising the steps:
Joined by 1g polysulfones in the flask of the DMF containing 10-30mL, rotor stirs and makes it fully dissolve; After polysulfones dissolves completely, add the acrylamide and rhodamine B that account for polysulfones quality 1%-3%, rhodamine B and acrylamide mol ratio is made to be 1:2-10, and add azodiisobutyronitrile, the addition of azodiisobutyronitrile is the 0.03-0.08% of gross mass, continues stirring and makes the abundant haptoreaction 20-40min of reactant; After reaction terminates, by casting solution standing and defoaming, the tape casting is adopted to water film on horizontal glass plate; Glass plate is placed in the drying box vacuum drying of 50-70 DEG C, is taken off after film parches completely; Be placed in by the film taken off after 80-120mL methanol-acetic acid solution soaks 50-80min, the methanol-acetic acid solution more renewed continues to soak 1h, and then changes the solution soaked, and so circulates, until solution clarification; After being taken out by film, washing, is then put in 40 by film
oin the vacuum drying chamber of C, dry to constant weight, obtain the molecular engram film of rhodamine B.
2. a kind of method preparing rhodamine molecular engram film according to claim 1, is characterized in that described rhodamine B and acrylamide mol ratio are respectively 1:2,1:4,1:6,1:8 or 1:10.
3. a kind of method preparing rhodamine molecular engram film according to claim 1, is characterized in that the addition of described azodiisobutyronitrile is 0.05% of gross mass.
4. a kind of method preparing rhodamine molecular engram film according to claim 1, is characterized in that in described methanol-acetic acid solution, and the volume ratio of methyl alcohol and acetic acid is 9:1.
5. a kind of method preparing rhodamine molecular engram film according to claim 1, is characterized in that molecular engram film is applied in dye, rhodamine B adsorption process.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106423095A (en) * | 2016-10-08 | 2017-02-22 | 兰州大学 | Method for preparing molecular imprinting integral material with nickel foam as substrate through polysulfone film formation property by means of dipping method |
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Non-Patent Citations (1)
| Title |
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| 雷秀兰等: "罗丹明B分子印迹聚合物微球的合成及其在固相萃取中的应用", 《应用化学》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106423095A (en) * | 2016-10-08 | 2017-02-22 | 兰州大学 | Method for preparing molecular imprinting integral material with nickel foam as substrate through polysulfone film formation property by means of dipping method |
| CN106423095B (en) * | 2016-10-08 | 2020-11-03 | 兰州大学 | Method for preparing molecular imprinting integral material by taking foamed nickel as substrate and utilizing polysulfone film-forming property through dipping method |
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