CN1810854A - Prepn process of polydiaminoanthraquinone - Google Patents
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- CN1810854A CN1810854A CN 200510023629 CN200510023629A CN1810854A CN 1810854 A CN1810854 A CN 1810854A CN 200510023629 CN200510023629 CN 200510023629 CN 200510023629 A CN200510023629 A CN 200510023629A CN 1810854 A CN1810854 A CN 1810854A
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Abstract
The present invention relates to process of preparing polydiamino anthraquinone. The preparation process includes the following steps: dissolving protonic acid in organic solvent to form organic solution, dissolving diamino anthraquinone or its derivative and oxidant separately in two parts of organic solution, and dropping the oxidant solution into the solution of diamino anthraquinone or its derivative for reaction, and post-treatment to obtain polydiamino anthraquinone powder. The prepared polydiamino anthraquinone, the crystal structure analysis in a Bruker D8 Advance X-ray analyzer shows, has high polymerization degree. The prepared polymer has conductivity of 1.06X10<-6>S/cm and yield up to 79.5 wt%. The polymer may be used in secondary battery, super capacitor and other electric elements.
Description
Technical field
The present invention relates to the preparation method field of polydiaminoanthraquinone.
Background technology
The aminoanthraquinone polymkeric substance belongs to the aromatic amine base polymer.Because of it has polyaniline skeleton structure, benzoquinones group and inflexible quinone loop chain joint usually, and demonstrate very strong electrochemical activity, biological electro catalysis and stability.It all shows the characteristic that is better than general aromatic amine base polymer at aspects such as energy storage, electrocatalysis enhanced sensitivities, is a kind of new type functional material that development potentiality is arranged very much.With aspects such as modified electrodes wide application prospect is arranged in secondary cell, ultra-capacitor, biological detection.
Adopt chemical oxidization method at present, select suitable oxygenant and reaction system for use, people have successfully prepared aromatic amine base polymers such as polyaniline, poly-naphthylamines and derivative thereof.Yet,, be difficult to adopt conventional chemical oxidative polymerization method polymerization because the aminoanthraquinone monomer has a plurality of functional groups and huge and inflexible quinone ring structure.Compare with the chemical oxidising polymerisation of aniline and naphthylamines, aminoanthraquinone is not only to the requirement harshness of reaction solvent, oxygenant, and polymerizing conditions such as oxygenant monomer ratio, sour environment and temperature all have special requirement.The aminoanthraquinone compound is difficult to be dissolved among the acidic aqueous solution, can only be dissolved in a spot of organic solvent, as N, and dinethylformamide (DMF), second cyanogen etc., this just makes it be very limited aspect selection of solvent and acid medium.And general persulphate and iron trichloride oxygenant can not cause the polyreaction of aminoanthraquinone.
People such as Samuelson adopt Cu (NO
3)
2, CuCl, Ni (NO
3)
2, AgNO
3, PdCl
2, FeCl
3, K
2S
2O
8/ Cu (NO
3)
2In organic solvent, successfully caused 1 in oxygenant, the oxidizing reaction of 5-diaminoanthraquinone-naphtoquinone compounds.But, find that after deliberation products therefrom is the oligomer complex compound that the mutual complexing of several aminoanthraquinone molecules forms together.Structurally with polymkeric substance such as polyaniline have significantly different, its complex molecule system that just pi-pi bond stack and hydrogen bond action form between the effect by the metal ion key or small molecules.
In sum, can develop out polydiaminoanthraquinone and the method for preparing polydiaminoanthraquinone seeking a kind of economical and effective, have good yield and have a general applicability is very important.
Summary of the invention
Purpose of the present invention just provides a kind of economical and effective, has the method for preparing polydiaminoanthraquinone of good yield and general applicability.
The present invention adopts chemical oxidative polymerization, makes monomer polymerization in the presence of organic solvent and protonic acid and oxygenant prepare polydiaminoanthraquinone.
The method steps of preparation polydiaminoanthraquinone of the present invention is as follows: the organic solution that protonic acid is dissolved in preparation acid in the organic solvent, then diamino-anthraquinone or derivatives thereof and oxygenant are dissolved in respectively in the organic solution of two portions acid, again the above-mentioned solution that contains oxygenant is splashed in the solution that contains the diamino-anthraquinone or derivatives thereof, it is reacted completely, processing get final product the polydiaminoanthraquinone powder, wherein said monomer is the diamino-anthraquinone or derivatives thereof of following general formula:
In the formula, R
1, R
2, R
5, R
6Be selected from-H ,-Br ,-Cl ,-OH or-NO
2R
3, R
4, R
7Be selected from-H or-NH
2, and wherein have one to be-NH
2
Through X-ray diffraction, solid-state nuclear magnetic resonance analysis, this polymkeric substance has the constitutional features of aromatic amine polymer macromolecules such as similar polyaniline, and the polymerization degree is higher, and the structure of the oligomer complex compound that forms with the aminoanthraquinone molecular complex has significantly different.Gather 1,5-diamino-anthraquinone (P15DAAQ) solid-state nuclear magnetic resonance carbon spectrum (see figure 1) has the obvious characteristics peak in the 184ppm vicinity, is carbonyl carbon resonance.The characteristic peak of 150ppm, 135ppm and 123ppm vicinity is the resonance peak of phenyl ring carbon.And all resonance peak shapes all compare symmetry in the 100-160ppm scope, so think that quinone loop chain joint is relatively more symmetrical in the P15DAAQ structural formula.Because, if the symmetry of quinone loop chain joint is relatively poor in the structural formula, then should contain more different structure carbon atom, on nmr spectrum, will show the asymmetric of more resonance peak and peak shape.This explanation, the resulting polymers molecular chain tends to hierarchic structure.Gather 1,5-diamino-anthraquinone (P15DAAQ) x-ray diffractogram of powder spectrum (see figure 2) has more wide in range disperse diffraction peak, and is similar with polyaniline and poly-naphthylamines, and different with the sharp-pointed diffraction peak of diamino-anthraquinone oligomer complex compound.This explanation adopts chemical oxidative polymerization to obtain 1 really, and the 5-diamino-anthraquinone polymkeric substance and the polymerization degree are higher.
Among the present invention, prepare polydiaminoanthraquinone in the presence of the strong acid of low water content, strong acid environment has improved the reactive behavior of monomer in organic solvent.Protonic acid of the present invention is to be selected to have the protonic acid that strongly-acid and low water content dissolve in above-mentioned organic solvent again, as the vitriol oil, concentrated nitric acid, is preferably the vitriol oil, if there is not the polyreaction that exists of acid will become very slow.In the present invention, the concentration of sulfuric acid in organic solvent is preferably 0.1～2mol/L.
Organic solvent of the present invention is a kind ofly can dissolve the aminoanthraquinone monomer but can not dissolve the solvent of aminoanthraquinone polymkeric substance, the organic solvent that preferred use can be dissolved each other and inorganic salts be had good solubility with water, as N, dinethylformamide, acetonitrile or propylene carbonate solvent, be preferably N, dinethylformamide.
Be used to prepare the polyreaction that persulfate oxidation agent commonly used of polyaniline and poly-naphthylamines and iron trichloride oxygenant can not cause aminoanthraquinone, must select the carrying out that oxidisability is strong in organic solvent oxygenant could initiated polymerization for use.Oxygenant of the present invention is at least a transition metal oxide or salt strong oxidizer, as chromium trioxide, potassiumchromate, potassium bichromate, potassium permanganate or its combination, is preferably chromium trioxide.And the consumption of oxygenant has very big influence to polymerization yield rate, and therefore in the present invention, oxygenant and monomeric mol ratio are preferably 1: 1 to 3: 1.
Because polymeric reaction temperature has considerable influence to polymerization rate, it is all unfavorable to the polyreaction of aminoanthraquinone to cross low or too high temperature of reaction, and therefore in the present invention, polymeric reaction temperature is preferably 0～50 ℃.
Adopt currently known methods polymerisate to be separated aftertreatments such as purification among the present invention.This processing comprises removes the monomer of not participating in reaction that remains in the reaction mixture, the oligopolymer that reaction generates, and residual oxygenant.Treatment step is: filtration, organic solvent washing, deionized water wash, precipitation and drying.
Beneficial effect of the present invention: method economical and effective of the present invention, have good yield and general applicability, prepared polydiaminoanthraquinone powder maximum output reaches 79.5wt%, and specific conductivity does not reach 1.06 * 10 when mixing
-6S/cm.The polymer powder of gained can be applicable to materials of electronic components aspects such as secondary cell, ultra-capacitor, for the industrial applications of polydiaminoanthraquinone lays the foundation.
Description of drawings
Fig. 1 gathers 1,5-diamino-anthraquinone (P15DAAQ) solid-state nuclear magnetic resonance carbon spectrum.
Fig. 2 gathers 1, and 5-diamino-anthraquinone (P15DAAQ) x-ray diffractogram of powder spectrum (adopts CrO
3Be oxygenant, temperature of reaction is 17 ℃, oxygen/singly be 1/1).
Fig. 3 is 1, the X ray diffracting spectrum of 4-diamino-anthraquinone (14DAAQ) oligomer complex compound.
Embodiment
Embodiment 1
Following embodiment is of the present invention poly-1 with illustrative explanation, and the 5-diamino-anthraquinone is in organic solution, and the employing chromium trioxide is an oxygenant, realizes according to the chemical oxidising polymerisation response path.
The vitriol oil of 2.17mL 98% slowly is added drop-wise to N, among dinethylformamide (DMF) organic solvent, is mixed with 40mL DMF sulphuric acid soln, sulfuric acid concentration is 1mol/L in the solution.With 476mg (2mmo1) 1,5-diamino-anthraquinone monomer joins among the 30mL DMF sulphuric acid soln, with its ultrasonic dispersing 15～20 minutes, impels 1 then, and 5-diamino-anthraquinone monomer dissolves fully.200mg (2mmol) chromium trioxide is dissolved among the 10mL DMF sulphuric acid soln, in about 20 minutes, oxygenant is dropwise joined among the above-mentioned monomer solution that continues to stir.Described being reflected at continues to carry out 24h in 20 ℃ of water-baths.Described solution becomes black by hunting pink, and has black precipitate to generate.To react back solution and carry out suction filtration, with 100mL DMF product be washed then, remove residual monomer and oligopolymer, again products therefrom be added 300mL deionized water and stirring washing 24h, remove residual oxygenant and solvent.Dry 48h under 50 ℃ obtains black and gathers 1,5-diamino-anthraquinone powder.
Prepared 1 by present embodiment, the productive rate of 5-diamino-anthraquinone polymkeric substance is 51.7%, and measuring its prepolymer powder specific conductivity of not mixing with pressed disc method is 1.06 * 10
-6S/cm.
Use Bruker D8 Advance X-ray diffraction analysis instrument to carry out the crystal structure analysis of polymer powder, discovery is by present embodiment prepared 1, the X-ray diffraction image of 5-diamino-anthraquinone polymer powder has more wide in range disperse diffraction peak, similar with polyaniline and poly-naphthylamines, and different with the sharp-pointed diffraction peak of aminoanthraquinone oligomer complex compound.Illustrate that present embodiment has obtained 1 really by chemical oxidative polymerization, the 5-diamino-anthraquinone polymkeric substance and the polymerization degree are higher.
Embodiment 2
Following embodiment is of the present invention poly-1 with illustrative explanation, and the 5-diamino-anthraquinone is in organic solution, and the employing potassiumchromate is an oxygenant, realizes according to the chemical oxidising polymerisation response path.
The vitriol oil of 3.26mL 98% slowly is added drop-wise to N, among dinethylformamide (DMF) organic solvent, is mixed with 60mL DMF sulphuric acid soln, the solution sulfuric acid concentration is 1mol/L.With 1.19g (5mmol) 1,5-diamino-anthraquinone monomer joins among the 60mL DMF sulphuric acid soln, with its ultrasonic dispersing 15～20 minutes, impels 1 then, and 5-diamino-anthraquinone monomer dissolves fully.1.94g (10mmol) potassiumchromate directly is poured among the above-mentioned monomer solution that continues to stir.Described being reflected at continues to carry out 24h in 20 ℃ of water-baths.Described solution becomes black by hunting pink, and has black precipitate to generate.To react back solution and carry out suction filtration, with 100mL DMF product be washed then, remove residual monomer and oligopolymer, again products therefrom be added 300mL deionized water and stirring washing 24h, remove residual oxygenant and solvent.Dry 48h under 50 ℃ obtains black and gathers 1,5-diamino-anthraquinone powder.
Prepared 1 by present embodiment, the productive rate of 5-diamino-anthraquinone polymkeric substance is 44.2%, and measuring its prepolymer powder specific conductivity of not mixing with pressed disc method is 3.04 * 10
-9S/cm.
Use InfinityPlus 300 NMR solid high-resolution NMR spectrometers to test, obtain the solid-state nuclear magnetic resonance carbon spectrum of polymkeric substance, 184,150,135, there are four nuclear magnetic resonance characteristic peaks in the 123ppm vicinity, they are with poly-1, and four kinds of carbon atoms on the 5-diamino-anthraquinone are corresponding.Illustrate that the resulting polymers molecular chain tends to hierarchic structure.
Embodiment 3
Following embodiment is of the present invention poly-1 with illustrative explanation, and the 5-diamino-anthraquinone is in organic solution, and the employing potassium bichromate is an oxygenant, realizes according to the chemical oxidising polymerisation response path.
The vitriol oil of 3.26mL 98% slowly is added drop-wise to N, among dinethylformamide (DMF) organic solvent, is mixed with 60mL DMF sulphuric acid soln, the solution sulfuric acid concentration is 1mol/L.With 1.19g (5mmol) 1,5-diamino-anthraquinone monomer joins among the 60mL DMF sulphuric acid soln, with its ultrasonic dispersing 15～20 minutes, impels 1 then, and 5-diamino-anthraquinone monomer dissolves fully.1.275g (5mmol) potassium bichromate directly is poured among the above-mentioned monomer solution that continues to stir.Described being reflected at continues to carry out 24h in 20 ℃ of water-baths.Described solution becomes aterrimus by hunting pink, and has black precipitate to generate.To react back solution and carry out suction filtration, with 100mL DMF product be washed then, remove residual monomer and oligopolymer, again products therefrom be added 300mL deionized water and stirring washing 24h, remove residual oxygenant and solvent.Dry 48h under 50 ℃ obtains black and gathers 1,5-diamino-anthraquinone powder.Productive rate is 31.5wt%.
Embodiment 4
Repeating embodiment 3, is 0.79g (5mmol) potassium permanganate but change oxygenant, and the productive rate that obtains polymkeric substance is 21.4wt%.
Embodiment 5～6
Following embodiment with different oxygen digital ratio among illustrative explanation the present invention to the influence of polymerization yield rate.
Repeat embodiment 1, but change the add-on of oxygenant chromium trioxide, making oxygenant and monomeric ratio is 2: 1,3: 1, and the productive rate that obtains polymkeric substance is respectively 67wt%, 79.5wt%.
Embodiment 7～9
Following embodiment is with the effect of sulfuric acid in polymerization reaction system among illustrative explanation the present invention.
Repeat embodiment 1, but change the concentration of sulfuric acid in DMF, make that vitriolic concentration is 0mol/L, 0.1mol/L and 2mol/L among the DMF.
When not adding sulfuric acid among the DMF, described be reflected at continue to carry out 24h in 20 ℃ of water-baths after solution become garnet by hunting pink, solution becomes dark red after a week reaction.To react back solution then and carry out suction filtration, only obtain micro-product, with 50mLDMF and 200mL deionized water to product wash, after the drying, the productive rate that obtains polymkeric substance only is 0.23%.This shows that when not adding sulfuric acid, monomer can not reach enough reactive behavioies, so polymerization rate and polymerization efficiency are all very low.
When sulfuric acid concentration among the DMF was 0.1mol/L, the productive rate of polymkeric substance was 32.6wt%.
And when sulfuric acid concentration was increased to 2mol/L among the DMF, the productive rate of polymkeric substance then was 35.1wt%.
Embodiment 10～12
Following embodiment is controlled at effect in the polyreaction with polymeric reaction temperature among illustrative explanation the present invention.
Repeat embodiment 1, but change the temperature of polyreaction, make polymeric reaction temperature be respectively 0 ℃, 50 ℃, 80 ℃.
When polymerization temperature was 0 ℃, the productive rate of polymkeric substance was 28.7wt%; When polymerization temperature was 50 ℃, the productive rate of polymkeric substance was 30.2wt%; But when polymerization temperature continued to be increased to 80 ℃, polyreaction was then carried out slowly, and system becomes garnet by bright red behind the reaction 72h, can not obtain polymkeric substance.
Claims (7)
1, the preparation method of polydiaminoanthraquinone, its step is as follows: the organic solution that protonic acid is dissolved in preparation acid in the organic solvent, then monomer and oxygenant are dissolved in respectively in the organic solution of two portions acid, again the above-mentioned solution that contains oxygenant is splashed into and contain in the monomeric solution, it is reacted completely, processing get final product the polydiaminoanthraquinone powder, described monomer is the diamino-anthraquinone or derivatives thereof of following general formula:
In the formula, R
1, R
2, R
5, R
6Be selected from-H ,-Br ,-Cl ,-OH or-NO
2R
3, R
4, R
7Be selected from-H or-NH
2, and wherein have one to be-NH
2Described organic solvent is N, dinethylformamide, acetonitrile or propylene carbonate; Described oxygenant is transition metal oxide or salt strong oxidizer.
2, the preparation method of polydiaminoanthraquinone as claimed in claim 1 is characterized in that described protonic acid is sulfuric acid or nitric acid.
3, the preparation method of polydiaminoanthraquinone as claimed in claim 2 is characterized in that described vitriolic concentration is 0.1～2mol/L.
4, the preparation method of polydiaminoanthraquinone as claimed in claim 1 is characterized in that described organic solvent is N, dinethylformamide.
5, the preparation method of polydiaminoanthraquinone as claimed in claim 1 is characterized in that described oxygenant is chromium trioxide, potassiumchromate, potassium bichromate, potassium permanganate or its combination.
6, the preparation method of polydiaminoanthraquinone as claimed in claim 1 is characterized in that described oxygenant and monomeric mol ratio are 1: 1 to 3: 1.
7, the preparation method of polydiaminoanthraquinone as claimed in claim 1 is characterized in that described polymeric reaction temperature is 0～50 ℃.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100434548C (en) * | 2007-03-08 | 2008-11-19 | 同济大学 | Method of reclaiming silver from silver containing solution by poly m-phenylenediamine as adsorbent |
| CN100434546C (en) * | 2007-03-08 | 2008-11-19 | 同济大学 | Method of reclaiming silver from silver ion containing solution by polydiaminoanthraquinone as adsorbent |
| CN101220149B (en) * | 2008-01-23 | 2010-06-02 | 同济大学 | Method for synthesizing poly-1-aminoanthraquinone in aqueous phase |
| CN101215378B (en) * | 2007-12-28 | 2010-06-23 | 同济大学 | Polyamino anthraquinone sulfonic acids, synthesis method and use thereof |
| CN103012788A (en) * | 2012-12-11 | 2013-04-03 | 昆明理工大学 | Method for preparing poly (1-amino-5-chloro anthraquinone) nanofiber through interface chemical oxidative polymerization |
| CN103772703A (en) * | 2014-01-08 | 2014-05-07 | 华东理工大学 | Preparation method of polyamino anthraquinone type conductive polymer |
| CN104752727A (en) * | 2013-12-31 | 2015-07-01 | 华为技术有限公司 | Quinone compound-graphene composite material and preparation method thereof as well as flexible lithium secondary battery |
| CN111349235A (en) * | 2018-12-24 | 2020-06-30 | 上海萃励电子科技有限公司 | Synthesis method of manganese oxide modified polyamino anthraquinone |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8901679A (en) * | 1989-07-01 | 1991-02-01 | Stamicarbon | AROMATIC POLYMER WITH DIAMINOANTHRACHINON UNITS. |
| GB2350617A (en) * | 1999-06-02 | 2000-12-06 | Nissan Chemical Ind Ltd | Polymers of diaminoanthracene and anthraquinone |
| DE10140107B4 (en) * | 2001-08-16 | 2006-07-06 | Lanxess Deutschland Gmbh | Process for the preparation of 1-amino-4-hydroxyanthraquinones |
| DE10222819A1 (en) * | 2002-05-21 | 2003-12-04 | Bayer Ag | Process for the preparation of N, N'-disubstituted 1,4-diaminoanthraquinones |
-
2005
- 2005-01-26 CN CNB2005100236299A patent/CN100395279C/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100434548C (en) * | 2007-03-08 | 2008-11-19 | 同济大学 | Method of reclaiming silver from silver containing solution by poly m-phenylenediamine as adsorbent |
| CN100434546C (en) * | 2007-03-08 | 2008-11-19 | 同济大学 | Method of reclaiming silver from silver ion containing solution by polydiaminoanthraquinone as adsorbent |
| CN101215378B (en) * | 2007-12-28 | 2010-06-23 | 同济大学 | Polyamino anthraquinone sulfonic acids, synthesis method and use thereof |
| CN101220149B (en) * | 2008-01-23 | 2010-06-02 | 同济大学 | Method for synthesizing poly-1-aminoanthraquinone in aqueous phase |
| CN103012788A (en) * | 2012-12-11 | 2013-04-03 | 昆明理工大学 | Method for preparing poly (1-amino-5-chloro anthraquinone) nanofiber through interface chemical oxidative polymerization |
| CN103012788B (en) * | 2012-12-11 | 2014-07-30 | 昆明理工大学 | Method for preparing poly (1-amino-5-chloro anthraquinone) nanofiber through interface chemical oxidative polymerization |
| CN104752727A (en) * | 2013-12-31 | 2015-07-01 | 华为技术有限公司 | Quinone compound-graphene composite material and preparation method thereof as well as flexible lithium secondary battery |
| WO2015101010A1 (en) * | 2013-12-31 | 2015-07-09 | 华为技术有限公司 | Quinone compound-graphene composite, preparation method therefor and flexible lithium secondary battery |
| CN103772703A (en) * | 2014-01-08 | 2014-05-07 | 华东理工大学 | Preparation method of polyamino anthraquinone type conductive polymer |
| CN103772703B (en) * | 2014-01-08 | 2017-07-14 | 华东理工大学 | A kind of preparation method of polyamino anthaquinone class conducting polymer |
| CN111349235A (en) * | 2018-12-24 | 2020-06-30 | 上海萃励电子科技有限公司 | Synthesis method of manganese oxide modified polyamino anthraquinone |
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