CN107083237A - A kind of ligand functionalized polymer rare earth complex luminescent material of Phen - Google Patents

A kind of ligand functionalized polymer rare earth complex luminescent material of Phen Download PDF

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CN107083237A
CN107083237A CN201710314339.2A CN201710314339A CN107083237A CN 107083237 A CN107083237 A CN 107083237A CN 201710314339 A CN201710314339 A CN 201710314339A CN 107083237 A CN107083237 A CN 107083237A
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phen
rare
functionalized polymer
ligand functionalized
rare earth
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王蕊欣
党利芳
谢美娜
王晓刚
焦纬洲
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North University of China
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    • C09K11/00Luminescent, e.g. electroluminescent, chemiluminescent materials
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    • C08G75/00Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule
    • C08G75/20Polysulfones
    • C08G75/23Polyethersulfones
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    • C09K2211/00Chemical nature of organic luminescent or tenebrescent compounds
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Abstract

A kind of ligand functionalized polymer rare earth complex luminescent material of Phen, belong to macromolecule rare-earth compound luminescent material technical field, the problem of scattered inequality of prior art luminescent material rare earth compounding, polymer substrate poor performance can be solved, the present invention will have coordination to rare earth ion and introduce polymer pendant groups with being sensitized the Phen aglucon of difunctional effect, obtain the ligand functionalized polymer of Phen, then with rare-earth ion coordination, the ligand functionalized polymer rare earth complex luminescent material of Phen is obtained.The present invention not only develops a kind of new red fluorescence material, and they have good heat endurance and luminous intensity, and technical process is easily realized, open new way to prepare novel high polymer rare earth luminescent material, there is potential application in terms of luminescent material.

Description

A kind of ligand functionalized polymer-rare-earth complexes luminous material of Phen
Technical field
The invention belongs to macromolecule-rare-earth compound luminescent material technical field, and in particular to a kind of Phen aglucon work( Can fluidized polymer-rare-earth complexes luminous material.
Background technology
Rare earth compounding has very narrow emission peak and very long fluorescence lifetime, in light emitting diode, laser, light The fluorescent material had a great attraction is considered in terms of fibre.It is numerous in order to be widely used on light-emitting device Researcher begins to use different materials to be used as the matrix of rare earth compounding, and wherein macromolecule has low cost, easy processing, machine The advantages of tool performance is good.Bonding type macromolecule-rare-earth complexes luminous material, had both remained small molecule rare earth compounding excellent Luminescent properties, have the advantages that high polymer material again, are the excellent luminescent materials of a class, can be used in Organic Light Emitting Diode, light In terms of catalysis material, organic fluorescence sensor.
Most common rare earth organic complex is roughly divided into three major types:Aromatic carboxylic acids class, beta-diketon class, bipyridyliumses.Will These parts are bonded in high molecular side base, then then form with rare-earth ion coordination bonding type macromolecule-rare earth compounding hair Luminescent material.Researcher also develops the bonding type that some contain N, N- bidentates schiff bases or N, O- bidentate schiff bases aglucon in recent years Macromolecule-rare-earth complexes luminous material, these materials all have excellent luminescent properties and good heat endurance and machinery Performance.
As bidentate ligand, two nitrogen-atoms above 1,10- Phen can very easily and metallic ion coordination, The central ion of metal is set to be in highly stable state.The rigid conjugate planes structure of three rings of 1,10- Phens is added Nitrogen-atoms cloud density on ring so that the transmission of electron energy is more effective between atom.1,10- Phens pass through Strong light absorbs-intramolecular energy, can effectively be sensitized the fluorescent emission of rare earth ion, launch complex strong glimmering Light, therefore, Phen functionalized macromolecular-rare-earth complexes luminous material have very good development prospect.
The content of the invention
The problem of present invention scattered for rare earth compounding in the prior art uneven, polymer substrate poor performance there is provided: (1)A kind of ligand functionalized polymer-rare-earth complexes luminous material of Phen;(2)A kind of Phen is ligand functionalized The preparation method of polymer-rare-earth complexes luminous material.
Benzaldehyde modified polysulfones BA-PSF used can [Chen Pinghong, Gao Baojiao, Xu Di change according to document in the present invention Learn research and application, 2014,26 (12):1904-1911] described in method prepare.
Chloromethyl polysulphone CMPSF used can [Zhang Dandan looks into aobvious space, Gao Baojiao, application according to document in the present invention Chemistry, 2016,33 (1):53-62] described in method prepare.
The present invention is adopted the following technical scheme that:
A kind of ligand functionalized polymer-rare-earth complexes luminous material of Phen, will to rare earth ion have coordination with it is quick The Phen aglucon for changing difunctional effect introduces polymer pendant groups, the ligand functionalized polymer of Phen is obtained, then by neighbour The ligand functionalized polymer of phenanthroline and rare-earth ion coordination, obtain the ligand functionalized polymer of Phen-rare earth compounding hair Luminescent material.
A kind of preparation method of the ligand functionalized polymer-rare-earth complexes luminous material of Phen, including following step Suddenly:
The first step, 0.16-0.55g polymer is added in 20-25mL solvents, fully after dissolving, adds 10-25mL dissolvings There is the solution of the above-mentioned solvent of 0.05-0.25g Phens, be warming up to 65-75 DEG C, add 0.05-0.35g catalyst, constant temperature 7-10h is reacted, reaction goes out reaction product after terminating with ethanol precipitation, then is alternately washed with watery hydrochloric acid, ethanol and distilled water, vacuum Dry to constant weight, produce the ligand functionalized polymer of Phen;
Second step, weighs the ligand functionalized polymer of 0.40-0.50 g Phens and is dissolved in 40-50mL solvents, use NaOH Solution adjusts pH to 6-7, adds rare earth crystal, is warming up to 55-65 DEG C, isothermal reaction 8-10 h, reaction uses ethanol after terminating Reaction product is settled out, then is alternately washed with ethanol and distilled water, the ligand functionalized polymer of Phen-rare earth is produced and coordinates Thing luminescent material.
Solvent described in first and second step is any in dimethyl sulfoxide (DMSO), dimethyl acetamide or dimethylformamide It is a kind of.
Catalyst described in the first step is one kind in sodium hydroxide, natrium carbonicum calcinatum, anhydrous sodium bicarbonate or KI Or two kinds.
Rare earth crystal described in second step is europium chloride crystal, the amount of the material of Phen aglucon and rare earth ion The ratio between be 3-3.5:1.
The polymer is benzaldehyde modified polysulfones, and the Phen is 5- amino -1,10- Phens, and gained is adjacent The ligand functionalized polymer of phenanthroline is 5- schiff bases -1,10- Phen modified polysulfones, its structure such as formula(Ⅰ)It is shown,
Formula(Ⅰ),
Ligand functionalized polymer-the rare-earth complexes luminous material of gained Phen is that 5- schiff bases -1,10- Phens change Property polysulfones-rare earth ion complex thing luminescent material, its structure such as formula(Ⅱ)It is shown,
Formula(Ⅱ),
Wherein, M3+For rare earth ion.
The polymer is chloromethyl polysulphone, and the Phen is 4,7- dihydroxy -1,10- Phens, gained The ligand functionalized polymer of Phen is 4- hydroxyl -1,10- Phen modified polysulfones, its structure such as formula(III)It is shown,
Formula(III),
Ligand functionalized polymer-the rare-earth complexes luminous material of gained Phen is modified for 4- hydroxyls -1,10- Phen Polysulfones-rare earth ion complex luminescent material, its structure such as formula(IV)It is shown,
Formula(IV),
Wherein, M3+For rare earth ion.
The bonded amount of 5- schiff bases -1,10- Phens is 1.12-1.22 mmol/g.
The bonded amount of 4- hydroxyl -1,10- Phens is 0.96-1.05 mmol/g.
Ligand functionalized polysulfones-the rare-earth complexes luminous material of Phen to illustrate the invention, one is entered with reference to accompanying drawing Step is described as follows:
Fig. 1 is red for benzaldehyde modified polysulfones BA-PSF's and 5- schiff bases -1,10- Phen modified polysulfone Phen-PSF (I) External spectrum figure.Infrared spectrum contrast with BA-PSF understands that in Phen-PSF (I) infrared spectrum, aldehyde radical is in 1692cm-1Place Absworption peak and 2735cm-1The absworption peak at place weakens significantly even to disappear, while in 1657 cm-1Place occurs in that schiff bases The stretching vibration absworption peak of imine linkage C=N double bonds.This is absolutely proved, neighbour has successfully been bonded by schiff base reaction in polysulfones side chain Phenanthroline, forms Phen-PSF (I).
Fig. 2 is red for chloromethyl polysulphone CMPSF and 4- hydroxyl -1,10- Phen modified polysulfone Phen-PSF's (II) External spectrum figure.In Phen-PSF (II) infrared spectrum, compared with CMPSF infrared spectrum, 1444 cm-1With 670 cm-1The characteristic absorption peak for locating chloromethyl substantially weakens even disappearance, and in 1170 cm-1Place occurs in that the characteristic absorption of fragrant ehter bond Peak, in 1630 cm-1The peak that place occurs is the vibration absorption peak of C=N double bonds on 4,7- dihydroxy-Phen ring, 3370 cm-1Place occurs in that the vibration performance absworption peak of hydroxyl on 4,7- dihydroxy-Phen ring, and above-mentioned change is proved, CMPSF and 4, Nucleophilic substitution occurs for 7- dihydroxy-Phen, generates Phen-PSF (II).
Fig. 3 is 5- schiff bases -1,10- Phen modified polysulfone Phen-PSF (I), 5- schiff bases -1,10- Phens Modified polysulfone-rare earth ion complex luminescent material Eu (III)-(Phen)3- PSF (I) and europium chloride EuCl3DMF solution Fluorescence emission spectrogram of compound.Fig. 4 is 4- hydroxyl -1,10- Phen modified polysulfone Phen-PSF (II), the adjacent phenanthrene of 4- hydroxyls -1,10- Sieve quinoline modified polysulfone-rare earth ion complex luminescent material Eu (III)-(Phen)3- PSF (II) and europium chloride EuCl3DMF The fluorescence emission spectrogram of compound of solution.From Fig. 3 and Fig. 4, Phen-PSF (I) and Phen-PSF (II) itself also launch by force Strong fluorescence(As produced by the big pi bond system of bonded ligand Phen conjugation), with Eu(Ⅲ)Ion coordination formation Eu (III)- (Phen)3- PSF (I) and Eu (III)-(Phen)3After-PSF (II), the fluorescent emission intensity of its part in itself greatly weakens, together When launch the characteristic fluorescence of Eu (III) ion, and fluorescent emission intensity compares EuCl3 About 60 times and 5 times have been respectively increased.
Fig. 5 be 5- schiff bases -1,10- Phen modified polysulfone-rare earth ion complex luminescent material Eu (III) - (Phen)3- PSF (I) and 4- hydroxyls -1,10- Phen modified polysulfone-rare earth ion complex luminescent material Eu (III) - (Phen)3- PSF (II) thermogravimetric curve figure.As seen from the figure, the obvious weightless temperature of both luminescent materials is at 280 DEG C Left and right, illustrates that both macromolecule-rare-earth complexes luminous materials all have good heat endurance.
The present invention compared with prior art, its remarkable advantage:(1)The preparation method will to rare earth ion have coordination with it is quick The Phen aglucon for changing difunctional effect introduces polymer lateral chain, and the aglucon can not only form stable between rare earth ion Macromolecule-rare earth compounding, and with larger conjugate rigid plane, polymer can be strengthened significantly and match somebody with somebody basal orientation rare earth ion Transfer of energy, strengthens luminescent properties;(2)Present invention obtains two kinds of new bonding type functionalized polymers-rare earth luminous Material, and open the new way and new raw material for preparing the luminescent material.
Brief description of the drawings
Fig. 1 is benzaldehyde modified polysulfones BA-PSF and 5- schiff bases -1,10- Phen modified polysulfone Phen-PSF (I) Infrared spectrogram;
Fig. 2 is chloromethyl polysulphone CMPSF and 4- hydroxyl -1,10- Phen modified polysulfone Phen-PSF (II) infrared light Spectrogram;
Fig. 3 is 5- schiff bases -1,10- Phen modified polysulfone Phen-PSF (I), the modification of 5- schiff bases -1,10- Phen Polysulfones-rare earth ion complex luminescent material Eu (III)-(Phen)3- PSF (I) and EuCl3DMF solution fluorescence emission spectrum Figure;
Fig. 4 is 4- hydroxyl -1,10- Phen modified polysulfone Phen-PSF (II), 4- hydroxyls -1,10- Phen is modified and gathered Sulfone-rare earth ion complex luminescent material Eu (III)-(Phen)3- PSF (II) and EuCl3DMF solution fluorescence emission spectrum Figure;
Fig. 5 is 5- schiff bases -1,10- Phen modified polysulfone-rare earth ion complex luminescent material Eu (III)-(Phen)3- PSF (I) and 4- hydroxyls -1,10- Phen modified polysulfone-rare earth ion complex luminescent material Eu (III)-(Phen)3-PSF (II) thermogravimetric curve figure.
Embodiment
A kind of ligand functionalized polymer-rare-earth complexes luminous material of Phen, will have coordination to rare earth ion Phen aglucon introducing polymer pendant groups with being sensitized difunctional effect, obtain the ligand functionalized polymer of Phen, then By the ligand functionalized polymer of Phen and rare-earth ion coordination, obtain the ligand functionalized polymer of Phen-rare earth and coordinate Thing luminescent material.
A kind of preparation method of the ligand functionalized polymer-rare-earth complexes luminous material of Phen, it is characterised in that: Comprise the following steps:
The first step, 0.16-0.55g polymer is added in 20-25mL solvents, fully after dissolving, adds 10-25mL dissolvings There is the solution of the above-mentioned solvent of 0.05-0.25g Phens, be warming up to 65-75 DEG C, add 0.05-0.35g catalyst, constant temperature 7-10h is reacted, reaction goes out reaction product after terminating with ethanol precipitation, then is alternately washed with watery hydrochloric acid, ethanol and distilled water, vacuum Dry to constant weight, produce the ligand functionalized polymer of Phen;
Second step, weighs the ligand functionalized polymer of 0.40-0.50 g Phens and is dissolved in 40-50mL solvents, use NaOH Solution adjusts pH to 6-7, adds rare earth crystal, is warming up to 55-65 DEG C, isothermal reaction 8-10 h, reaction uses ethanol after terminating Reaction product is settled out, then is alternately washed with ethanol and distilled water, the ligand functionalized polymer of Phen-rare earth is produced and coordinates Thing luminescent material.
Solvent described in first and second step is any in dimethyl sulfoxide (DMSO), dimethyl acetamide or dimethylformamide It is a kind of.
Catalyst described in the first step is one kind in sodium hydroxide, natrium carbonicum calcinatum, anhydrous sodium bicarbonate or KI Or two kinds.
Rare earth crystal described in second step is europium chloride crystal, the amount of the material of Phen aglucon and rare earth ion The ratio between be 3-3.5:1.
The polymer is benzaldehyde modified polysulfones, and the Phen is 5- amino -1,10- Phens, and gained is adjacent The ligand functionalized polymer of phenanthroline is 5- schiff bases -1,10- Phen modified polysulfones, its structure such as formula(Ⅰ)It is shown,
Formula(Ⅰ),
Ligand functionalized polymer-the rare-earth complexes luminous material of gained Phen is that 5- schiff bases -1,10- Phens change Property polysulfones-rare earth ion complex thing luminescent material, its structure such as formula(Ⅱ)It is shown,
Formula(Ⅱ),
Wherein, M3+For rare earth ion.
The polymer is chloromethyl polysulphone, and the Phen is 4,7- dihydroxy -1,10- Phens, gained The ligand functionalized polymer of Phen is 4- hydroxyl -1,10- Phen modified polysulfones, its structure such as formula(III)It is shown,
Formula(III),
Ligand functionalized polymer-the rare-earth complexes luminous material of gained Phen is modified for 4- hydroxyls -1,10- Phen Polysulfones-rare earth ion complex luminescent material, its structure such as formula(IV)It is shown,
Formula(IV),
Wherein, M3+For rare earth ion.
The bonded amount of 5- schiff bases -1,10- Phens is 1.12-1.22 mmol/g.
The bonded amount of 4- hydroxyl -1,10- Phens is 0.96-1.05 mmol/g.
Embodiment 1, in four-hole boiling flask, adds 0.5 g BA-PSF and 22 mL DMF, fully after dissolving, adds 22mL is warming up to 70 DEG C dissolved with the DMF solution of 0.23g 5- amino -1,10- Phens, adds 0.2g NaOH, and constant temperature is anti- 8h, reaction is answered to go out polymer with ethanol precipitation after terminating, polymer watery hydrochloric acid, ethanol and distilled water are alternately washed, and vacuum is done It is dry to constant weight, produce 5- schiff bases -1,10- Phen modified polysulfone Phen-PSF (I).Wherein, 5- schiff bases -1,10- is adjacent The mmol/g of bonded amount 1.22 of phenanthroline.
Weigh 0.40 g Phen-PSF (I) to be dissolved in 40mL DMF, adjust pH to 6-7 with NaOH solution, add 0.056g rare earths EuCl3•6H2O crystal(The amount of material is 0.16mmol), it is warming up to 55 DEG C, isothermal reaction 8h, after reaction terminates Go out polymer with ethanol precipitation, polymer ethanol and distilled water are alternately washed, and obtain the modification of 5- schiff bases -1,10- Phen Polysulfones-rare earth ion complex luminescent material Eu (III)-(Phen)3-PSF(I)。
Embodiment 2, in four-hole boiling flask, adds 0.16 g CMPSF and 20 mLDMF, fully after dissolving, adds 10mL Dissolved with 0.05g 4, the DMF solution of 7- dihydroxy -1,10- Phens is warming up to 70 DEG C, add 0.3 g natrium carbonicum calcinatums and 0.05 g KIs, isothermal reaction 10h, reaction goes out polymer after terminating with ethanol precipitation, polymer watery hydrochloric acid, ethanol and Distilled water is alternately washed, and is dried under vacuum to constant weight, is produced 4- hydroxyl -1,10- Phen modified polysulfone Phen-PSF (II).Its In, the mmol/g of bonded amount 1.05 of 4- hydroxyl -1,10- Phens.
Weigh 0.40 g Phen-PSF (II) to be dissolved in 40mL DMF, adjust pH to 6-7 with NaOH solution, add 0.049g rare earths EuCl3•6H2O crystal(The amount of material is 0.14mmol), it is warming up to 55 DEG C, isothermal reaction 8h, after reaction terminates Go out polymer with ethanol precipitation, polymer ethanol and distilled water are alternately washed, obtain 4- hydroxyls -1,10- Phen and be modified and gather Sulfone-rare earth ion complex luminescent material Eu (III)-(Phen)3-PSF(II)。
Embodiment 3:In four-hole boiling flask, 0.45 g BA-PSF and 20mL DMAC are added, fully after dissolving, are added 20mL is warming up to 75 DEG C dissolved with the DMAC solution of 0.20g 5- amino -1,10- Phens, adds 0.15g Carbon Dioxides Sodium, isothermal reaction 10h, reaction goes out polymer after terminating with ethanol precipitation, and polymer watery hydrochloric acid, ethanol and distilled water are alternately washed Wash, be dried under vacuum to constant weight, produce 5- schiff bases -1,10- Phen modified polysulfone Phen-PSF (I).Wherein, 5- Schiffs The mmol/g of bonded amount 1.20 of alkali -1,10- Phen.
Weigh 0.50 g Phen-PSF (I) to be dissolved in 50mL DMAC, adjust pH to 6-7 with NaOH solution, add 0.065g rare earths EuCl3•6H2O crystal(The amount of material is 0.188mmol), 65 DEG C are warming up to, isothermal reaction 10h, reaction terminates Go out polymer with ethanol precipitation afterwards, polymer ethanol and distilled water alternately wash, obtains 5- schiff bases -1,10- Phens and change Property polysulfones-rare earth ion complex luminescent material Eu (III)-(Phen)3-PSF(I)。
Embodiment 4, in four-hole boiling flask, adds 0.20 g CMPSF and 25 mLDMAC, fully after dissolving, adds 15mL is warming up to 75 DEG C, adds the anhydrous carbon of 0.35 g dissolved with 0.07g 4, the DMAC solution of 7- dihydroxy -1,10- Phens Sour sodium and 0.06 g KIs, isothermal reaction 9h, reaction go out polymer, polymer watery hydrochloric acid, second after terminating with ethanol precipitation Alcohol and distilled water are alternately washed, and are dried under vacuum to constant weight, are produced 4- hydroxyl -1,10- Phen modified polysulfones Phen-PSF (II).Wherein, the mmol/g of bonded amount 1.00 of 4- hydroxyls -1,10- Phen.
Weigh 0.50gPhen-PSF (II) to be dissolved in 50mLDMAC, adjust pH to 6-7 with NaOH solution, add 0.054g rare earths EuCl3•6H2O crystal(The amount of material is 0.156mmol), 65 DEG C are warming up to, isothermal reaction 10h, reaction terminates Go out polymer with ethanol precipitation afterwards, polymer ethanol and distilled water are alternately washed, and obtain the modification of 4- hydroxyls -1,10- Phen Polysulfones-rare earth ion complex luminescent material Eu (III)-(Phen)3-PSF(II)。
Embodiment 5:In four-hole boiling flask, 0.55 g BA-PSF and 25 mL DMSO are added, fully after dissolving, are added 25 mL are warming up to 65 DEG C dissolved with the DMSO solution of 0.25 g 5- amino -1,10- Phens, add 0.25g Carbon Dioxides Hydrogen sodium, isothermal reaction 7h, reaction goes out polymer, polymer watery hydrochloric acid, ethanol and distilled water alternating after terminating with ethanol precipitation Washing, is dried under vacuum to constant weight, produces 5- schiff bases -1,10- Phen modified polysulfone Phen-PSF (I).Wherein, 5- Schiffs The mmol/g of bonded amount 1.12 of alkali -1,10- Phen.
Weigh 0.45 g Phen-PSF (I) to be dissolved in 45mL DMSO, adjust pH to 6-7 with NaOH solution, add 0.05g rare earths EuCl3•6H2O crystal(The amount of material is 0.144mmol), it is warming up to 60 DEG C, isothermal reaction 9h, after reaction terminates Go out polymer with ethanol precipitation, polymer ethanol and distilled water are alternately washed, and obtain the modification of 5- schiff bases -1,10- Phen Polysulfones-rare earth ion complex luminescent material Eu (III)-(Phen)3-PSF(I)。
Embodiment 6, in four-hole boiling flask, adds 0.18 g CMPSF and 23mL DMSO, fully after dissolving, adds 13mL is warming up to 65 DEG C, adds the anhydrous carbon of 0.32 g dissolved with 0.06g 4, the DMSO solution of 7- dihydroxy -1,10- Phens Sour hydrogen sodium and 0.055 g KIs, isothermal reaction 7h, reaction go out polymer after terminating with ethanol precipitation, polymer watery hydrochloric acid, Ethanol and distilled water are alternately washed, and are dried under vacuum to constant weight, are produced 4- hydroxyl -1,10- Phen modified polysulfones Phen-PSF (II).Wherein, the mmol/g of bonded amount 0.96 of 4- hydroxyls -1,10- Phen.
Weigh 0.45 g Phen-PSF (II) to be dissolved in 45mL DMSO, adjust pH to 6-7 with NaOH solution, then add Enter 0.042g rare earths EuCl3•6H2O crystal(The amount of material is 0.12mmol), 60 DEG C are warming up to, isothermal reaction 9h, reaction terminates Go out polymer with ethanol precipitation afterwards, polymer ethanol and distilled water are alternately washed, and 4- hydroxyls -1,10- Phen is modified poly- Sulfone-rare earth ion complex luminescent material Eu (III)-(Phen)3-PSF(II)。

Claims (9)

1. a kind of ligand functionalized polymer-rare-earth complexes luminous material of Phen, it is characterised in that:Phen is matched somebody with somebody Base introduce polymer pendant groups, obtain the ligand functionalized polymer of Phen, then by the ligand functionalized polymer of Phen with Rare-earth ion coordination, obtains the ligand functionalized polymer-rare-earth complexes luminous material of Phen.
2. the ligand functionalized polymer-rare-earth complexes luminous material of a kind of Phen according to claim 1, it is special Levy and be:Its preparation method comprises the following steps:
The first step, 0.16-0.55g polymer is added in 20-25mL solvents, fully after dissolving, adds 10-25mL dissolvings There is the solution of the above-mentioned solvent of 0.05-0.25g Phens, be warming up to 65-75 DEG C, add 0.05-0.35g catalyst, constant temperature 7-10h is reacted, reaction goes out reaction product after terminating with ethanol precipitation, then is alternately washed with watery hydrochloric acid, ethanol and distilled water, vacuum Dry to constant weight, produce the ligand functionalized polymer of Phen;
Second step, weighs the ligand functionalized polymer of 0.40-0.50 g Phens and is dissolved in 40-50mL solvents, use NaOH Solution adjusts pH to 6-7, adds rare earth crystal, is warming up to 55-65 DEG C, isothermal reaction 8-10 h, reaction uses ethanol after terminating Reaction product is settled out, then is alternately washed with ethanol and distilled water, the ligand functionalized polymer of Phen-rare earth is produced and coordinates Thing luminescent material.
3. the ligand functionalized polymer-rare-earth complexes luminous material of a kind of Phen according to claim 2, it is special Levy and be:Solvent described in first and second step is any one in dimethyl sulfoxide (DMSO), dimethyl acetamide or dimethylformamide Kind.
4. the ligand functionalized polymer-rare-earth complexes luminous material of a kind of Phen according to claim 2, it is special Levy and be:Catalyst described in the first step be sodium hydroxide, natrium carbonicum calcinatum, anhydrous sodium bicarbonate or KI in one kind or Two kinds.
5. the ligand functionalized polymer-rare-earth complexes luminous material of a kind of Phen according to claim 2, it is special Levy and be:Rare earth crystal described in second step is europium chloride crystal, the amount of the material of Phen aglucon and rare earth ion The ratio between be 3-3.5:1.
The material 6. the ligand functionalized polymer-rare earth compounding of a kind of Phen according to one of claim 1-5 lights Material, it is characterised in that:The polymer is benzaldehyde modified polysulfones, and the Phen is 5- amino -1,10- Phens, The ligand functionalized polymer of gained Phen is 5- schiff bases -1,10- Phen modified polysulfones, its structure such as formula(Ⅰ)Institute Show,
1.jpgFormula(Ⅰ),
Ligand functionalized polymer-the rare-earth complexes luminous material of gained Phen is that 5- schiff bases -1,10- Phens change Property polysulfones-rare earth ion complex thing luminescent material, its structure such as formula(Ⅱ)It is shown,
2.jpgFormula(Ⅱ),
Wherein, M3+For rare earth ion.
The material 7. the ligand functionalized polymer-rare earth compounding of a kind of Phen according to one of claim 1-5 lights Material, it is characterised in that:The polymer is chloromethyl polysulphone, and the Phen is the adjacent Féraud of 4,7- dihydroxy -1,10- Quinoline, the ligand functionalized polymer of gained Phen is 4- hydroxyl -1,10- Phen modified polysulfones, its structure such as formula(III) It is shown,
3.jpgFormula(III),
Ligand functionalized polymer-the rare-earth complexes luminous material of gained Phen is modified for 4- hydroxyls -1,10- Phen Polysulfones-rare earth ion complex luminescent material, its structure such as formula(IV)It is shown,
4.jpgFormula(IV),
Wherein, M3+For rare earth ion.
8. the ligand functionalized polymer-rare-earth complexes luminous material of a kind of Phen according to claim 6, it is special Levy and be:The bonded amount of 5- schiff bases -1,10- Phens is 1.12-1.22 mmol/g.
9. the ligand functionalized polymer-rare-earth complexes luminous material of a kind of Phen according to claim 7, it is special Levy and be:The bonded amount of 4- hydroxyl -1,10- Phens is 0.96-1.05 mmol/g.
CN201710314339.2A 2017-05-06 2017-05-06 A kind of ligand functionalized polymer rare earth complex luminescent material of Phen Pending CN107083237A (en)

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