CN104558586B - Containing pi-allyl cross-linking azo polyarylether material and preparation method thereof - Google Patents
Containing pi-allyl cross-linking azo polyarylether material and preparation method thereof Download PDFInfo
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- CN104558586B CN104558586B CN201510015235.2A CN201510015235A CN104558586B CN 104558586 B CN104558586 B CN 104558586B CN 201510015235 A CN201510015235 A CN 201510015235A CN 104558586 B CN104558586 B CN 104558586B
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Abstract
A kind of containing pi-allyl cross-linking azo polyarylether material and preparation method thereof, belong to macromolecular material and preparing technical field thereof.First carboxylic azo polyarylether polymer is prepared, this polymer is with double fluorine monomers (4,4 ' difluorodiphenyl sulfones), azo biphenol monomer (4,4 ' dihydroxy phenyl azo diphenyl sulphone (DPS)s) and phenolphthalin monomer (4,4 ' dihydroxy triphenyl methane 2 carboxylic acids) as raw material, using Anhydrous potassium carbonate as salt forming agent, with dimethyl sulfoxide (DMSO) or N, N dimethyl acetylamide (DMAc) is reaction dissolvent, with toluene or dimethylbenzene as water entrainer, prepare through nucleophilic polycondensation.Then with above-mentioned carboxylic azo polyarylether polymer as raw material, form with allyl bromide, bromoallylene reactive grafting in organic solvent containing pi-allyl cross-linking azo polyarylether material again, product of the present invention has higher glass transition temperature, it is expected to have wider application in photoresponse field.
Description
Technical field
The invention belongs to macromolecular material and preparing technical field thereof, be specifically related to a kind of poly-containing the cross-linking azo of pi-allyl
Aryl oxide material and preparation method thereof.
Background technology
Azobenzene polymer material has the photoelectricity information material of comprehensive excellent properties as a class, because its photoresponse character exists
There is important using value in the fields such as optoelectronic communication, optical information storage.Polyarylether is that the special engineered of class excellent performance is moulded
Material, has temperature classification height, radiation hardness, shock resistance and the combination property of the excellence such as corrosion-resistant, at Aero-Space, machinery, chemical industry
Fields many with microelectronics etc. have a wide range of applications.Azo functional group is introduced in the middle of polymer, polymer can be improved
Photo absorption property.The photo absorption property of polymer can improve with the raising of glass transition temperature, in a lot of documents
Have been reported that (such as: Lagugne Labarthet etc., C.New J.Chem.1997,21:879-887.；O.K.Song etc.,
Macromolecules,1997,30:6913-6919.).The present invention, from MOLECULE DESIGN, draws first in azo polyarylether
Enter crosslinkable groups pi-allyl so that polymer can produce crosslinking behavior, so that glass transition temperature of polymer is carried
Height, provides a kind of new material for photoresponse polymer.
Summary of the invention
It is an object of the invention to provide a kind of cross-linking containing azo polyarylether material and preparation method thereof, mainly containing pi-allyl
It is the performance making traditional azo material obtain crosslinking, thus improves glass transition temperature, it is expected to have more in photoresponse field
It is widely applied.
Structural formula containing pi-allyl cross-linking azo polyarylether material of the present invention is as follows:
Wherein 0 < x < 1, n is the integer of 1～120, represents the degree of polymerization.
First preparing carboxylic azo polyarylether polymer, its structural formula is as follows:
Wherein 0 ＜ x ＜ 1, n are the integer of 1 ~ 120, represent the degree of polymerization.This polymer is with double fluorine monomer (4,4 '-difluoros
Diphenyl sulphone (DPS)), azo biphenol monomer (4,4 '-dihydroxy phenyl azo diphenyl sulphone (DPS)) and phenolphthalin monomer (4 ', 4 "-dihydroxy triphen
Methylmethane-2-carboxylic acid) as raw material, using Anhydrous potassium carbonate as salt forming agent, with dimethyl sulfoxide (DMSO) or N, N-dimethyl
Acetamide (DMAc) is reaction dissolvent, with toluene or dimethylbenzene as water entrainer, prepares through nucleophilic polycondensation.Its concrete preparation process
As follows:
By double fluorine monomers (4,4 '-difluorodiphenyl sulfone), azo biphenol monomer (4,4 '-dihydroxy phenyl azo diphenyl sulphone (DPS)) and
(three's consumption mol ratio is the mix monomer that phenolphthalin monomer (4 ', 4 "-dihydroxy triphenyl methane-2-carboxylic acid) mixes
1:1-x:x (0 < x < 1)) and salt forming agent mixing, add organic solvent and band aqueous solvent, under nitrogen protection, be heated to band coolant-temperature gage
(115～130 DEG C) reflux, the water in removing system, after solution clear, release band aqueous solvent, then 160～170
Reaction 5～10 hours is continued at DEG C；After having reacted, reactant liquor is poured in 20～30 DEG C of water, at gained red product pulverizing
Reason, filters and by deionized water and washing with alcohol, to remove inorganic salt and solvent, obtains carboxylic azo polyarylether after drying
Polymer, productivity 85～95%.
Described organic solvent is N,N-dimethylacetamide (DMAc) or dimethyl sulfoxide (DMSO), its with double fluorine monomers,
The amount ratio of azo biphenol monomer quality sum is 2.3～4mL:1g；Water entrainer is toluene or dimethylbenzene, and its consumption is organic solvent
The 60～80% of volume；Salt forming agent is Anhydrous potassium carbonate, and it is 1:1.1～1.5 with the consumption mol ratio of double fluorine monomers.
Described containing pi-allyl cross-linking azo polyarylether material, it is to be former by above-mentioned carboxylic azo polyarylether polymer
Material, then form with allyl bromide, bromoallylene reactive grafting in organic solvent, concrete grafting method is as follows:
Under the conditions of 40～45 DEG C, to carboxylic azo polyarylether polymer and anhydrous DMF
(DMF) in the solution formed, dropping triethylamine is as acid binding agent, is added dropwise over alkene after stirring 10～20 minutes under condition of nitrogen gas again
Propyl bromide, carboxylic azo polyarylether polymer is 1:1～2 with the consumption mol ratio of allyl bromide, bromoallylene, and every 1g allyl bromide, bromoallylene makes
With 4～6mL triethylamines；After reacting 24～36 hours, reactant liquor is poured in 20～30 DEG C of ethanol；Through washing (3～5 times) and second
It is dried that alcohol washes (2～3 times), obtains red solid product, productivity 90～95%.
DMF (DMF) needs before using to carry out except water processes, and it gathers with carboxylic azo polyarylether
The volume mass ratio of compound is 100～200mL:1g.
The prepared cross-linking azo polyarylether material containing pi-allyl dissolves in oxolane, N, N-dimethyl methyl after testing
In the organic solvent such as amide, N,N-dimethylacetamide, may utilize the means of testing such as infrared, ultraviolet, nuclear-magnetism and determine its structure.This
Outward, the copolymerization content of azo monomer in polymer can be calculated by nuclear magnetic spectrogram.
Above-mentioned polymer can be applied to the fields such as optical storage as light responsive material.The present invention goes out to carry out the coffin upon burial from molecular structure
Enter cross-linking allyl group, be grafted on azo polyarylether polymer, be that polymer can crosslink behavior, it is possible to resolve pass
The problem that system azobenzene polymer photo-isomerisable speed is slower, provides a kind of new material for photoresponse.
Feature of the present invention is embodied in: be prepared for containing carboxyl azo polyarylether material, profit from the design of macromolecular material
With the halogenating reaction of carboxyl, it is prepared for containing pi-allyl azo polyarylether material.First by azo group and cross-linking pi-allyl base
Group introduces same system, utilizes the crosslinkable characteristic of pi-allyl, is favorably improved glass transition temperature (see accompanying drawing 3), it is expected to
Wider application is had in photoresponse field.
Accompanying drawing explanation
The nuclear magnetic spectrogram containing pi-allyl azo polyarylether prepared in Fig. 1: embodiment 3；
Fig. 2: the azo polyarylether containing pi-allyl prepared in embodiment 3-4 ultra-violet absorption spectrum in DMF solution；
The DSC spectrogram containing pi-allyl azo polyarylether prepared in Fig. 3: embodiment 3.
Fig. 1 is the nuclear magnetic spectrogram containing pi-allyl azo polyarylether, and the hydrogen of each position is the most well belonged to, such as figure institute
Show, it was demonstrated that successfully synthesize polymer；
Fig. 2 is polymer ultra-violet absorption spectrum in DMF solution, and wherein the trans absworption peak of azo group nitrogen nitrogen double bond is
357nm, absorption intensity strengthens with the enhancing of azo content, it was demonstrated that in polymer, azo content is controlled；
Fig. 3 is the DSC spectrogram containing pi-allyl azo polyarylether, and twice sweep Comparative result, glass transition temperature is by 150
DEG C it is increased to 220 DEG C, it was demonstrated that glass transition temperature significantly improves.Cross-link peak at second time scanning 342 DEG C to disappear, it was demonstrated that polymerization
Thing there occurs crosslinking behavior.
Detailed description of the invention
Embodiment 1:
By 0.9170g (0.002mol) 4,4 '-dihydroxy phenyl azo diphenyl sulphone (DPS), the 4 ' of 2.56g, 4 "-dihydroxy triphen
Methylmethane-2-carboxylic acid (0.008mol), 2.5425g (0.01mol) double fluorine monomer (4,4 '-dihydroxy phenyl azo diphenyl sulphone (DPS)) add
Enter in there-necked flask, add 1.4504g (0.013mol) potassium carbonate, 15mL toluene and the DMSO of 20mL, the lower heating of nitrogen protection
Causing 120 DEG C of stirrings, reflux band water, the water in removing system, after toluene clear, releases toluene, is warming up to 165 DEG C, continues
Continuous reaction 6 hours.After having reacted, polymer is poured in the aqueous solution that hydrochloric mass fraction is 5% of 25 DEG C, precipitated
Filter, by water and washing with alcohol after pulverizing, removes solvent and ion, obtains polyarylether polymer, and 80 DEG C of vacuum drying obtain orange
The carboxylic azo polyarylether polymer of color, productivity is 90%.
Embodiment 2:
By 1.3755g (0.003mol) 4,4 '-dihydroxy phenyl azo diphenyl sulphone (DPS), the 4 ' of 2.2423g, 4 "-dihydroxy three
Phenylmethane-2-carboxylic acid (0.007mol), 2.5425g (0.01mol) double fluorine monomer (4,4 '-dihydroxy phenyl azo diphenyl sulphone (DPS))
Add in there-necked flask, add 2.3492g (0.017mol) potassium carbonate, 15mL toluene and the DMSO of 20mL, add under nitrogen protection
Thermic 120 DEG C stirring, reflux band water, the water in removing system, after toluene clear, releases toluene, is warming up to 165 DEG C,
Continue reaction 6 hours.After having reacted, polymer is poured into 25 DEG C containing in the aqueous solution that hydrochloric acid mass fraction is 5%, heavy
Form sediment and filter, by water and washing with alcohol after pulverizing, remove solvent and ion, obtain polyarylether polymer, 80 DEG C of vacuum drying, obtain
Crocus carboxylic azo polyarylether polymer, productivity is 91%.
Embodiment 3:
Carboxylic azo polyarylether polymer 1.9369g (0.003mol) of embodiment 1 gained is dissolved in 200mL without
In water DMF, under logical condition of nitrogen gas, stir 10min, be slowly added dropwise triethylamine 2.336mL and allyl bromide, bromoallylene 0.4672g afterwards
(0.0036mol), stir 24h under 45 DEG C of condition of nitrogen gas, obtain transparent and homogeneous solution, pour this solution in the ethanol of 25 DEG C and make
Its precipitation, then washes precipitation 3 times, and ethanol is washed 2 times, obtains orange red containing pi-allyl azobenzene polymer, productivity after drying
92%.
Embodiment 4:
Carboxylic azo polyarylether polymer 1.8956g (0.003mol) of embodiment 2 gained is dissolved in 200mL without
In water DMF, under logical condition of nitrogen gas, stir 10min, be slowly added dropwise triethylamine 1.9355mL and allyl bromide, bromoallylene 0.3871g afterwards
(0.0032mol), stir 24h under 45 DEG C of condition of nitrogen gas, obtain transparent and homogeneous solution, pour this solution in the ethanol of 25 DEG C and make
Its precipitation, then washes precipitation 3 times, and ethanol is washed 2 times, obtains orange red containing pi-allyl azobenzene polymer, productivity after drying
91%.
Claims (4)
1. a cross-linking azo polyarylether material Han pi-allyl, its structural formula is as follows:
Wherein 0 < x < 1, n is the integer of 1～120, represents the degree of polymerization.
2. a kind of preparation method containing pi-allyl cross-linking azo polyarylether material described in claim 1, its step is as follows:
(1) it is the mixing that double fluorine monomers of 1:1-x:x, azo biphenol monomer and phenolphthalin monomer mix by consumption mol ratio
Monomer and salt forming agent mixing, add organic solvent and band aqueous solvent, be heated to the backflow of band coolant-temperature gage, remove system under nitrogen protection
In water, after solution clear, release band aqueous solvent, then at 160～170 DEG C continue reaction 5～10 hours；Reaction
After completing, reactant liquor is poured in 20～30 DEG C of water, by gained red product pulverization process, filter and with deionized water and ethanol
Washing, to remove inorganic salt and solvent, obtains carboxylic azo polyarylether polymer after drying；0 < x < 1, salt forming agent and double fluorine
The consumption mol ratio of monomer is 1:1.1～1.5；
(2) under the conditions of 40～45 DEG C, formed with anhydrous DMF to carboxylic azo polyarylether polymer
Solution in drip triethylamine as acid binding agent, stir after 10～20 minutes under condition of nitrogen gas and be added dropwise over allyl bromide, bromoallylene again, contain
The azo polyarylether polymer of carboxyl and the consumption mol ratio of allyl bromide, bromoallylene are 1:1～2, and every 1g allyl bromide, bromoallylene uses 4～6mL tri-
Ethamine；Reactant liquor was poured in 20～30 DEG C of ethanol after 24～36 hours by the lower reaction of nitrogen protection；Wash through washing and ethanol, be dried
After, obtain red solid product, i.e. the cross-linking azo polyarylether material Han pi-allyl；
Wherein, double fluorine monomers are 4,4 '-difluorodiphenyl sulfone, and azo biphenol monomer is 4,4 '-dihydroxy phenyl azo diphenyl sulphone (DPS), phenol
Phthalein quinoline monomer is 4 ', 4 "-dihydroxy triphenyl methane-2-carboxylic acid.
A kind of preparation method containing pi-allyl cross-linking azo polyarylether material, it is characterised in that:
Described in step (1), organic solvent is N,N-dimethylacetamide or dimethyl sulfoxide, itself and double fluorine monomer, azo biphenol monomers
The amount ratio of quality sum is 2.3～4mL:1g, and the consumption of water entrainer is the 60～80% of organic solvent volume.
A kind of preparation method containing pi-allyl cross-linking azo polyarylether material, it is characterised in that:
N,N-dimethylformamide (DMF) described in step (2) with the volume mass ratio of carboxylic azo polyarylether polymer is
100～200mL:1g.
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| CN106750259B (en) * | 2016-12-09 | 2018-06-01 | 中国科学院长春应用化学研究所 | A kind of polyarylether resin and preparation method thereof |
| CN113461942B (en) * | 2021-06-07 | 2022-07-22 | 吉林大学 | Polyarylether compound and preparation method thereof, polyarylether-hydrogel composite porous membrane and preparation method and application thereof |
| CN113563579B (en) * | 2021-08-17 | 2023-09-15 | 西南石油大学 | Azobenzene-polyarylether nitrile composite material and preparation method thereof |
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