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CN103626994A - Polyaryletherketone containing boric acid ester, azo polyaryletherketone and preparation method thereof - Google Patents

Polyaryletherketone containing boric acid ester, azo polyaryletherketone and preparation method thereof Download PDF

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CN103626994A
CN103626994A CN201310571617.4A CN201310571617A CN103626994A CN 103626994 A CN103626994 A CN 103626994A CN 201310571617 A CN201310571617 A CN 201310571617A CN 103626994 A CN103626994 A CN 103626994A
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polyaryletherketone
organic solvent
azo
borate
polymer
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姜振华
王永鹏
张海博
林英健
朱轩伯
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Jilin University
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Jilin University
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Abstract

含硼酸酯聚芳醚酮、偶氮聚芳醚酮及其制备方法,属于高分子材料制备技术领域。首先,合成了双酚A型聚芳醚酮,利用该聚芳醚酮与联硼频哪醇酯在1,5-环辛二烯氯化铱二聚体催化硼化反应制备含硼酸酯聚芳醚酮材料;其次,合成4-碘-4’-(N,N-二甲基胺)偶氮苯单体,最后利用含硼酸酯聚芳醚酮材料与4-碘-4’-(N,N-二甲基胺)偶氮苯单体在四三苯基膦化钯催化下反应制备含偶氮聚芳醚酮;利用这种方法可以成功地将偶氮单体引入到聚芳醚酮中。不但不会影响聚芳醚酮本身的性能,也能够生成性能稳定的联苯结构偶氮聚芳醚酮,可以改善偶氮材料的存储稳定性,该方法有望在制备新型的偶氮高分子材料方面获得应用。

Figure 201310571617

Borate-containing polyaryletherketones, azopolyaryletherketones and preparation methods thereof belong to the technical field of polymer material preparation. First, bisphenol A type polyarylether ketone was synthesized, and the polyarylether ketone and boron pinacol ester were used to catalyze the boronation reaction of 1,5-cyclooctadiene iridium chloride dimer to prepare boron-containing ester Polyaryletherketone material; secondly, synthesize 4-iodo-4'-(N,N-dimethylamine) azobenzene monomer, and finally use borate-containing polyaryletherketone material and 4-iodo-4' -(N,N-dimethylamine) azobenzene monomer reacts under the catalysis of tetrakistriphenylphosphine palladium to prepare azo-containing polyaryletherketone; using this method can successfully introduce azo monomer into polyaryletherketone. Not only will it not affect the performance of polyaryletherketone itself, but it can also generate azopolyaryletherketone with stable biphenyl structure, which can improve the storage stability of azo materials. This method is expected to be used in the preparation of new azo polymer materials get applied.

Figure 201310571617

Description

Boracic acid esters polyaryletherketone, azo polyaryletherketone and preparation method thereof
Technical field
The invention belongs to field of polymer material preparing technology, be specifically related to boracic acid esters polyaryletherketone material, the azo polyaryletherketone material being prepared by it and the preparation method of this bi-material.
Background technology
Azobenzene polymer because of its photic two-phase look, photopolymerizable liquid crystal change mutually,, the aspect such as photomechanical effect, nonlinear optical material, information storage, optical drive molecular switch and photonic material shows excellent photoresponse behavior, and shows huge application potential in reversible optical storage, all-optical switch, integrated optoelectronics and photon technology field.For the research and development of azo material, particularly synthetic, the structure of novel, high-performance optical responsive polymer material and the research of property relationship are the emphasis of scientific research personnel's concern all the time.Applied research using azo material as storage medium is at present still in basic stage, and the storage stability of azo material is still a problem demanding prompt solution.Temperature classification is high owing to having for polyarylether polymer, the over-all properties of chemical-resistant resistance, shock-resistant, good excellences such as dimensional stability has a wide range of applications in high-tech sectors such as aerospace, information, telecommunications.Method by azo group by rear grafting is incorporated in the polyarylether polymer of high glass-transition temperature, can improve significantly the storage stability of material.But currently used grafting method is generally the method for esterification, amidation and Liv Ullmann coupling, and these methods all exist some shortcomings.Ester bond, amido linkage as easy as rolling off a log hydrolysis under the effect of acid or alkali or even water, and the copper catalytic condition that Liv Ullmann coupling is used tends to cause the degraded of polyarylether main chain, thus cause the second-order transition temperature of polymkeric substance to decline.Thereby, select a kind of new research direction that method that the performance of polymkeric substance own can generate again stable product becomes this field that neither affects.
Summary of the invention
The object of the invention is to prepare boracic acid esters polyaryletherketone material by the boronation reaction of connection boron pinacol ester (Bis (pinacolato) diboron) and polyaryletherketone, and boracic acid esters polyaryletherketone material and iodo-4 '-(N, N-dimethyl amine) the nitrogen benzide monomer reaction preparation of 4-are contained to azo polyaryletherketone.
The present invention has selected the method for the reaction of 1,5-cyclooctadiene iridium chloride dimer catalysis boronation and four triphenylphosphine palladium catalysis borate esters and iodobenzene coupling, and profit is successfully incorporated into azo monomer in polyaryletherketone in this way.Not only can not affect the performance of polyaryletherketone itself, also can generate the biphenyl structural azo polyaryletherketone of stable performance, what the present invention synthesized is a kind of novel macromolecular material containing azo polyaryletherketone.
It is before this by dihydroxyphenyl propane and 4,4 '-bis-fluoro-benzophenone obtain respectively bisphenol A type polyaromatic ether ketone (PAEK) according to the molar ratio reaction of 1:1, again 1,5-cyclooctadiene iridium chloride dimer and 4,4 '-di-t-butyl-2, under the acting in conjunction of 2 '-dipyridyl, react with connection boron pinacol ester generation boronation, prepare the polyaryletherketone material of novel boracic acid esters; The polyaryletherketone of boracic acid esters generates novel containing azo polyaryletherketone material with iodo-4 '-(N, N-dimethyl amine) the nitrogen benzide monomer reaction of 4-under the acting in conjunction of four triphenylphosphine palladiums and salt of wormwood.
Boracic acid esters polyaryletherketone of the present invention is comprised of polyaryletherketone main chain and pinacol borate side chain, and wherein the content of pinacol borate is 15%~150%.
Boracic acid esters poly aryl ether ketone polymer of the present invention, is the bisphenol A type polyaromatic ether ketone of boracic acid esters, and its structural formula is
N is 15~25 integer, represents the polymerization degree;
2a+b+c=0.075~0.5, d=1-(2a+b+c); Or 2a+b+c=0.5~0.75, d=0;
The azo polyaryletherketone that contains of the present invention is comprised of polyaryletherketone main chain and azo side chain, according to the content of design azo, is wherein 15%~30%.
Of the present invention containing azo poly aryl ether ketone polymer, be the bisphenol A type polyaromatic ether ketone containing azo; Its structural formula is
Figure BDA0000415843100000022
The integer that wherein p is 12~20; 2e+f+g=0.075~0.15, k=1-(2e+f+g).
The preparation method of boracic acid esters polyaryletherketone material of the present invention, comprises that the synthetic and polyaryletherketone of polyaryletherketone reacts and prepares two steps of boracic acid esters polyaryletherketone process with connection pinacol borate boronation.
The preparation of described boracic acid esters polyaryletherketone, by dihydroxyphenyl propane and equimolar 4,4 '-difluoro benzophenone monomer, the Anhydrous potassium carbonate of 1.05~1.10 times of molar weights of dihydroxyphenyl propane monomer, 3~6 times to the organic solvent of reaction monomers (not comprising salt of wormwood) quality, the azeotropy dehydrant of organic solvent volume 20% is put into the there-necked flask that nitrogen through hole, mechanical stirring and water-taker are housed, logical nitrogen, start stirring, being warmed up to azeotropy dehydrant refluxes, react 1~3 hour, get rid of azeotropy dehydrant, be warmed up to 170~200 ℃ and continue reaction 7~10 hours; Then, the polymers soln obtaining is separated out in deionized water, through pulverizing, wash, being dried, obtain bisphenol A type polyaromatic ether ketone polymkeric substance.
In aforesaid method, organic solvent used can be dimethyl sulfoxide (DMSO), tetramethylene sulfone or N-Methyl pyrrolidone, and azeotropy dehydrant used can be toluene or dimethylbenzene.
Described polyaryletherketone and connection pinacol borate carry out boronation reaction and prepare boracic acid esters polyaryletherketone material, that bisphenol A type polyaromatic ether ketone and the connection pinacol borate that is 1.5~2 times of molar weights of its repeating unit are together encased in the container that is placed with stirrer, adding is 1 of 0.01~0.03 times of molar weight of connection pinacol borate again, 5-cyclooctadiene iridium chloride dimer ([IrCl (COD)] 2), be 4,4 '-di-t-butyl-2 of connection pinacol borate 0.02~0.04 times of molar weight, 2 '-dipyridyl, is filled with high pure nitrogen after vacuumizing, 3~5 times repeatedly, seal after adding organic solvent, at room temperature stirring reaction is 12~48 hours; Then organic solvent is removed in decompression, the polymkeric substance crude product acetone obtaining is washed 3~5 times, filter, dry, by the polymkeric substance obtaining, with after organic solvent dissolution, tlc silica gel filters 1~3 time, again polymkeric substance is washed 3~5 times with acetone, filter, vacuumize post-drying, obtain boracic acid esters polyaryletherketone material.
In above-mentioned reaction, organic solvent used is trichloromethane, tetrahydrofuran (THF) or dioxane etc.Adopting the solvent using in tlc silica gel filtration is trichloromethane, tetrahydrofuran (THF) or N,N-dimethylacetamide etc.
Preparation method containing azo polyaryletherketone material of the present invention, comprise the iodo-4 '-(N of 4-, N-dimethyl amine) the synthetic and boracic acid esters polyaryletherketone of nitrogen benzide monomer and iodo-4 '-(N, N-dimethyl amine) the nitrogen benzide monomer of 4-carry out the preparation of Suzuki-Miyaura linked reaction containing two steps such as azo polyaryletherketone materials.
Iodo-4 '-(the N of described 4-, N-dimethyl amine) nitrogen benzide monomer is synthetic, that 4-Iodoaniline is put into beaker, after adding water, stir into pasty state, dropwise splashing into is concentrated hydrochloric acid (10~15mol/L) solution of 3~5 times of molar weights of 4-Iodoaniline again, is cooled to-5~10 ℃ after reacting 1~2h; Then the Sodium Nitrite that is 2~3 times of molar weights of 4-Iodoaniline is dissolved in water, at-5~10 ℃, this solution is splashed in the hydrochloric acid soln of above-mentioned 4-Iodoaniline, after filtration, at-5~10 ℃, filtrate is dropwise added drop-wise to be again 2~5 times of molar weights of 4-Iodoaniline sodium acetate and be the N of 1~3 times of molar weight of 4-Iodoaniline, in the mixed aqueous solution of accelerine, after dripping off, at room temperature react 3~5h; In the solution of backward gained, drip is that the aqueous sodium hydroxide solution of 5~8 times of molar weights of 4-Iodoaniline neutralizes, reaction product is washed to vacuum-drying at 60~80 ℃ after neutrality, use again organic solvent recrystallization, obtain iodo-4 '-(N, the N-dimethyl amine) nitrogen benzide of 4-.
The organic solvent using in recrystallization process can be methyl alcohol, ethanol or toluene.
The building-up reactions formula of iodo-4 '-(N, N-dimethyl amine) the nitrogen benzide monomer of 4-of the present invention is as follows:
Figure BDA0000415843100000041
Iodo-4 '-(the N of described boracic acid esters polyaryletherketone and 4-, N-dimethyl amine) nitrogen benzide monomer carries out palladium catalysed cross coupling reaction preparation containing azo polyaryletherketone material, by boric acid ester polyaryletherketone and be the iodo-4 '-(N of 4-of its 1~2 times of molar weight, N-dimethyl amine) nitrogen benzide is put into reaction vessel, adding is four triphenylphosphine palladiums of boric acid ester polyaryletherketone molar weight 1%~3% again, the salt of wormwood of 1~5 times of molar weight of boric acid ester polyaryletherketone, then vacuumize and be filled with high pure nitrogen, 3~5 times repeatedly, inject organic solvent dissolution, finally, slowly inject the distilled water of organic solvent volume 3%~10%, sealing, in oil bath, 60~80 ℃ are reacted 10~20 hours, revolve to steam and remove organic solvent, with acetone extracting 20~30h, with organic solvent dissolution, adopt tlc silica gel to filter, revolve to steam and remove organic solvent, acetone is washed 4~6 times, filters, and dries, and obtains containing azo polyaryletherketone material.
Boracic acid esters polyaryletherketone and 4-be iodo-4 ' and-organic solvent that (N, N-dimethyl amine) nitrogen benzide monomer is used while carrying out linked reaction can be chloroform, tetrahydrofuran (THF) or dioxane.
It can be trichloromethane, tetrahydrofuran (THF) or dioxane that tlc silica gel filters the solvent using.
It is as follows containing the reaction formula of azo polyaryletherketone material that iodo-4 '-(N, N-dimethyl amine) the nitrogen benzide monomer of described boracic acid esters bisphenol A type polyaromatic ether ketone and 4-carries out palladium catalysed cross coupling reaction preparation:
Figure BDA0000415843100000042
P=12~20 wherein.
First the azo poly aryl ether ketone polymer that contains of the present invention is successfully incorporated into boric acid ester on polyaryletherketone main chain and obtains by a kind of boronation reaction, then utilize the iodo-4 '-(N of this boracic acid esters polyaryletherketone and 4-, N-dimethyl amine) nitrogen benzide obtains by palladium catalysed cross coupling reaction, this method can not affect the molecular weight of polymkeric substance, the biphenyl type azo polyaryletherketone obtaining has stability preferably, has potential application improving aspect the storage stability of material.
Accompanying drawing explanation
Fig. 1: bisphenol A type polyaromatic ether ketone 1H-NMR spectrogram of the present invention;
Fig. 2: boracic acid esters bisphenol A type polyaromatic ether ketone 1H-NMR spectrogram of the present invention;
Fig. 3: iodo-4 '-(N, N-dimethyl amine) the nitrogen benzide monomer 1H-NMR spectrogram of 4-of the present invention;
Fig. 4: of the present invention containing azo bisphenol A type polyaromatic ether ketone 1H-NMR spectrogram;
Fig. 5: the DSC curve of bisphenol A type polyaromatic ether ketone of the present invention;
Fig. 6: the DSC curve of boracic acid esters bisphenol A type polyaromatic ether ketone of the present invention;
Fig. 7: the DSC curve containing azo bisphenol A type polyaromatic ether ketone of the present invention;
Fig. 8: the UV-Vis curve containing azo bisphenol A type polyaromatic ether ketone of the present invention;
Fig. 9: the TGA curve containing azo bisphenol A type polyaromatic ether ketone of the present invention.
What Fig. 1 provided is the hydrogen nuclear magnetic spectrogram of bisphenol A type polyaromatic ether ketone of the present invention (embodiment 1), and each hydrogen in polymer architecture has correct ownership as we can see from the figure.
What Fig. 2 provided is the hydrogen nuclear magnetic spectrogram of boracic acid esters bisphenol A type polyaromatic ether ketone of the present invention (embodiment 2), and each hydrogen in polymer architecture has correct ownership as we can see from the figure.
What Fig. 3 provided is the hydrogen nuclear magnetic spectrogram of iodo-4 '-(N, N-dimethyl amine) the nitrogen benzide monomer (embodiment 3) of 4-of the present invention, and each hydrogen in polymer architecture has correct ownership as we can see from the figure.
What Fig. 4 provided is the hydrogen nuclear magnetic spectrogram containing azo bisphenol A type polyaromatic ether ketone (embodiment 4) of the present invention, and each hydrogen in polymer architecture has correct ownership as we can see from the figure.
What Fig. 5 provided is the DSC curve of bisphenol A type polyaromatic ether ketone of the present invention (embodiment 1), and the Tg of bisphenol A type polyaromatic ether ketone is respectively 159 degrees Celsius as we can see from the figure.
What Fig. 6 provided is the DSC curve of boracic acid esters bisphenol A type polyaromatic ether ketone of the present invention (embodiment 2), and Tg of the present invention is respectively 167 degrees Celsius as we can see from the figure.
What Fig. 7 provided is the DSC curve containing azo bisphenol A type polyaromatic ether ketone (embodiment 4) of the present invention, and Tg of the present invention is respectively 171 degrees Celsius as we can see from the figure.
What Fig. 8 provided is the UV-Vis curve containing azo bisphenol A type polyaromatic ether ketone (embodiment 4) of the present invention; Containing azo bisphenol A type polyaromatic ether ketone, in 426 nanometers, there is obvious uv-absorbing as we can see from the figure.
Fig. 9: the TGA curve containing azo bisphenol A type polyaromatic ether ketone (embodiment 4) of the present invention.As can be seen from the figure polymkeric substance has good thermostability.
Embodiment
Embodiment 1
By 13.6974g dihydroxyphenyl propane monomer, 13.0920g4,4 '-difluoro benzophenone monomer and 9.1205g Anhydrous potassium carbonate, 107mL tetramethylene sulfone, 36mL toluene, puts into the there-necked flask that nitrogen through hole, mechanical stirring and water-taker are housed, logical nitrogen, start stirring, be warming up to 130 ℃ and reflux to azeotropy dehydrant, react 2 hours, get rid of azeotropy dehydrant, be warmed up to 175 ℃ and continue reaction 8 hours; The polymers soln obtaining is separated out in deionized water, through pulverizing, washing, dry, obtain bisphenol A type polyaromatic ether ketone polymkeric substance.
Molecular formula is as follows:
Figure BDA0000415843100000061
M=15~25 wherein.
Embodiment 2
First there-necked flask is burned with gaslight under the condition vacuumizing, after cooling, pour nitrogen, put into magnetic stirring, add 4.0748g(10mmol) bisphenol A type polyaromatic ether ketone and 2.0316g(8mmol) connection pinacol borate, then add 0.0806g[IrCl (COD)] 2and 0.0644g4,4'-di-t-butyl-2,2'-dipyridyl, vacuumizes and is filled with high pure nitrogen, and 3 times repeatedly, inject 50mL tetrahydrofuran (THF) and dissolve, sealing, in oil bath, 80 ℃ are reacted 12 hours; Cooling rear with chloroform dissolving, use chloroform give solvent to adopt tlc silica gel (200~400 order) to filter, revolve to steam and remove tetrahydrofuran (THF), acetone is washed 5 times, and oven dry, obtains faint yellow block boracic acid esters bisphenol A type polyaromatic ether ketone polymkeric substance.
Molecular formula is as follows:
Figure BDA0000415843100000062
N=15~25 wherein.
Embodiment 3
Take 21.9g (0.1mol) 4-Iodoaniline and put into 250 ml beakers, add 50mL water, mechanical stirring becomes pasty state, dropwise splashes into 33.6mL concentrated hydrochloric acid (12mol/L).Drip off rear continuation reaction 1.5h, be cooled to-5 ℃.6.9g Sodium Nitrite is dissolved in 50mL water, in the time of-5 ℃, this solution is splashed in the above-mentioned 4-Iodoaniline hydrochloride aqueous solution.After filtration, be dropwise added drop-wise to and contain 16.4g sodium acetate, in the 200mL aqueous solution of 12.1g DMA, solution temperature is controlled at-5 ℃.After dripping off, at room temperature react 3~5h.To dripping 24g aqueous sodium hydroxide solution in the solution of gained, neutralize.Be washed to 60 ℃ of vacuum-dryings in vacuum drying oven after neutrality.With ethanol, carry out recrystallization, obtain iodo-4 '-(N, N-dimethyl amine) the nitrogen benzide monomer of the pulverous 4-of safran.
Molecular formula is as follows:
Figure BDA0000415843100000071
Embodiment 4
First there-necked flask is burned with gaslight under the condition vacuumizing, poured nitrogen after cooling, put into magnetic stirring, the bisphenol A type polyaromatic ether ketone and the iodo-4 '-(N of 0.2897g4-that add 1.1140g boracic acid esters, N-dimethyl amine) nitrogen benzide, then add 0.0806g tetra-triphenylphosphine palladiums and 0.3420g salt of wormwood, then vacuumize and be filled with high pure nitrogen, 3 times repeatedly, inject 50mL tetrahydrofuran (THF) and dissolve, last, slowly inject 5mL distilled water, sealing, 80 ℃ of reaction 12h in oil bath; Revolve and steam except desolventizing, with acetone extracting 24h, with chloroform, dissolve, adopt tlc silica gel to filter, revolve and steam except desolventizing, acetone is washed 5 times, filters, and dries, and obtains red blocks of solid.
Molecular formula is as follows:
Figure BDA0000415843100000072
P=12~20 wherein.
Embodiment 5
The molecular weight test of polymer with bis phenol A aryl ether ketone, boracic acid esters polymer with bis phenol A aryl ether ketone and azo polymer with bis phenol A aryl ether ketone.
Test condition:
Use instrument Shimadzu Prominence gpc analysis system;
40 ℃ of column temperatures, tetrahydrofuran (THF) is moving phase, polystyrene is standard specimen.
Bisphenol A type polyaromatic ether ketone, boracic acid esters bisphenol A type polyaromatic ether ketone, containing the molecular weight of azo bisphenol A type polyaromatic ether ketone, list in table 1.
Table 1: the molecular weight of bisphenol A-type polymkeric substance
Polymkeric substance Number-average molecular weight Specific dispersivity
Polymer with bis phenol A aryl ether ketone 7.9×10 4 1.44
Boracic acid esters bisphenol A type polyaromatic ether ketone 8.4×10 4 1.35
Containing azo bisphenol A type polyaromatic ether ketone 8.1×10 4 1.45

Claims (7)

1.一种含硼酸酯聚芳醚酮聚合物,其结构式如下所示:  1. A borate-containing polyaryletherketone polymer, its structural formula is as follows:
Figure FDA0000415843090000011
Figure FDA0000415843090000011
其中,n为15~25的整数,表示聚合度;  Among them, n is an integer of 15 to 25, indicating the degree of polymerization; 2a+b+c=0.075~0.5,d=1-(2a+b+c);或2a+b+c=0.5~0.75,d=0。  2a+b+c=0.075~0.5, d=1-(2a+b+c); or 2a+b+c=0.5~0.75, d=0. the
2.权利要求1所述的含硼酸酯聚芳醚酮聚合物的制备方法,其特征在于:  2. the preparation method of the borate-containing polyaryl ether ketone polymer described in claim 1 is characterized in that: (1)是将双酚A与等摩尔的4,4′-二氟二苯甲酮单体,双酚A单体1.05~1.10倍摩尔量的无水碳酸钾,3~6倍于反应单体质量的有机溶剂,有机溶剂体积20%的共沸脱水剂在反应容器中通氮气、搅拌、并升温到共沸脱水剂回流,反应1~3个小时,排除共沸脱水剂,升温到170~200℃继续反应7~10小时;然后,将得到的聚合物溶液在去离子水中析出,经粉碎、洗涤、干燥,得到双酚A型含硼酸酯聚芳醚酮聚合物。  (1) Bisphenol A and equimolar 4,4'-difluorobenzophenone monomer, bisphenol A monomer 1.05 to 1.10 times the molar amount of anhydrous potassium carbonate, 3 to 6 times the reaction unit The organic solvent of body weight, the azeotropic dehydrating agent of 20% of organic solvent volume pass nitrogen in the reaction container, stir, and heat up to the reflux of azeotropic dehydrating agent, react for 1~3 hours, get rid of azeotropic dehydrating agent, heat up to 170 The reaction is continued at ~200°C for 7-10 hours; then, the obtained polymer solution is precipitated in deionized water, crushed, washed, and dried to obtain a bisphenol A borate-containing polyaryletherketone polymer. the (2)将双酚A型聚芳醚酮与是其重复单元1.5~2倍摩尔量的联硼酸频哪醇酯一同装入到放有搅拌子的容器中,再加入是联硼酸频哪醇酯0.01~0.03倍摩尔量的1,5-环辛二烯氯化铱二聚体、是联硼酸频哪醇酯0.02~0.04倍摩尔量的4,4′-二叔丁基-2,2′-联吡啶,抽真空后充入高纯氮气,反复3~5次,加入有机溶剂后密封,在室温下搅拌反应12~48小时;然后减压除去有机溶剂,将得到的聚合物粗产物丙酮洗3~5遍,过滤,烘干,将得到的聚合物用有机溶剂溶解后,薄层层析硅胶过滤1~3遍,再将聚合物用丙酮洗3~5遍,过滤,抽真空后烘干,即得到含硼酸酯聚芳醚酮材料。  (2) Put bisphenol A type polyarylether ketone and pinacol borate ester of 1.5 to 2 times the molar amount of its repeating unit into a container with a stirring bar, and then add pinacol borate 1,5-cyclooctadiene iridium chloride dimer with 0.01 to 0.03 times the molar amount of ester, 4,4′-di-tert-butyl-2,2 '-Bipyridine, vacuumize and fill with high-purity nitrogen, repeat 3 to 5 times, add organic solvent and seal, stir and react at room temperature for 12 to 48 hours; then remove the organic solvent under reduced pressure, and obtain the crude polymer product Wash with acetone 3 to 5 times, filter and dry, dissolve the obtained polymer with organic solvent, filter 1 to 3 times with thin layer chromatography silica gel, then wash the polymer with acetone 3 to 5 times, filter and vacuumize After drying, the borate-containing polyaryletherketone material is obtained. the 3.如权利要求2所述的含硼酸酯聚芳醚酮聚合物的制备方法,其特征在于:步骤(2)中使用的有机溶剂是三氯甲烷、四氢呋喃或二氧六环;薄层层析硅胶过滤中使用的溶剂是三氯甲烷、四氢呋喃或N,N-二甲基乙酰胺。  3. The preparation method of borate-containing polyaryletherketone polymer as claimed in claim 2, is characterized in that: the organic solvent used in step (2) is chloroform, tetrahydrofuran or dioxane; Solvents used in chromatographic silica gel filtration were chloroform, tetrahydrofuran or N,N-dimethylacetamide. the 4.一种含偶氮聚芳醚酮聚合物,其结构式如下所示:  4. An azo-containing polyaryletherketone polymer, its structural formula is as follows:
Figure FDA0000415843090000021
Figure FDA0000415843090000021
其中,p为12~20的整数,表示聚合度;  Among them, p is an integer of 12 to 20, indicating the degree of polymerization; 2e+f+g=0.075~0.15,k=1-(2e+f+g)。  2e+f+g=0.075~0.15, k=1-(2e+f+g). the
5.权利要求4所述的含偶氮聚芳醚酮聚合物的制备方法,其步骤如下:  5. the preparation method of the described azo-containing polyaryletherketone polymer of claim 4, its steps are as follows: (1)将4-碘苯胺加入水后搅拌成糊状,再逐滴滴入是4-碘苯胺3~5倍摩尔量的浓盐酸溶液,反应1~2h后冷却至-5~10℃;然后将是4-碘苯胺2~3倍摩尔量的亚硝酸钠溶解在水中,在-5~10℃下将该溶液滴入上述4-碘苯胺的盐酸溶液中,过滤后再在-5~10℃下将滤液逐滴滴加到是4-碘苯胺2~5倍摩尔量的乙酸钠和是4-碘苯胺1~3倍摩尔量的N,N-二甲基苯胺的混合水溶液中,滴完后在室温下反应3~5h;最后向所得的溶液中滴加是4-碘苯胺5~8倍摩尔量的氢氧化钠水溶液进行中和,将反应产物水洗至中性后在60~80℃下真空干燥,再用有机溶剂重结晶,即得到4-碘-4′-(N,N-二甲基胺)偶氮苯;  (1) Add 4-iodoaniline to water and stir to form a paste, then add dropwise a concentrated hydrochloric acid solution that is 3 to 5 times the molar amount of 4-iodoaniline, react for 1 to 2 hours, and then cool to -5 to 10°C; Then dissolve sodium nitrite with 2 to 3 times the molar amount of 4-iodoaniline in water, drop the solution into the hydrochloric acid solution of the above-mentioned 4-iodoaniline at -5 to 10°C, filter and then pour it at -5 to 10°C. At 10°C, add the filtrate dropwise to a mixed aqueous solution of sodium acetate 2 to 5 times the molar amount of 4-iodoaniline and N,N-dimethylaniline 1 to 3 times the molar amount of 4-iodoaniline, After dripping, react at room temperature for 3 to 5 hours; finally add dropwise an aqueous solution of sodium hydroxide that is 5 to 8 times the molar amount of 4-iodoaniline to the resulting solution for neutralization, and wash the reaction product to neutrality in 60 to Vacuum drying at 80°C, and recrystallization with an organic solvent to obtain 4-iodo-4'-(N,N-dimethylamine)azobenzene; (2)将含硼酸酯聚芳醚酮和是其1~2倍摩尔量的4-碘-4′-(N,N-二甲基胺)偶氮苯放入反应容器中,再加入是硼酸酯聚芳醚酮摩尔量1%~3%的四三苯基膦化钯、是硼酸酯聚芳醚酮1~5倍摩尔量的碳酸钾,然后抽真空并充入高纯氮气,反复3~5次,注入有机溶剂溶解,最后,缓慢注入有机溶剂体积3%~10%的蒸馏水,密封,在油浴中60~80℃反应10~20小时;旋蒸除去有机溶剂,用丙酮抽提20~30h,用有机溶剂溶解,采用薄层层析硅胶过滤,旋蒸除去有机溶剂,丙酮洗4~6遍,过滤,烘干,得到含偶氮聚芳醚酮材料。  (2) Put borate-containing polyaryletherketone and 4-iodo-4′-(N,N-dimethylamine) azobenzene in a molar amount 1 to 2 times the amount in the reaction vessel, and then add It is palladium tetrakistriphenylphosphine with 1% to 3% molar weight of borate polyaryletherketone, potassium carbonate with 1 to 5 times molar weight of borate polyaryletherketone, and then vacuumized and filled with high-purity Nitrogen, repeat 3-5 times, inject organic solvent to dissolve, finally, slowly inject distilled water with 3%-10% volume of organic solvent, seal, react in oil bath at 60-80°C for 10-20 hours; rotary steam to remove organic solvent, Extract with acetone for 20-30 hours, dissolve with an organic solvent, filter with thin-layer silica gel, remove the organic solvent by rotary evaporation, wash with acetone for 4-6 times, filter, and dry to obtain the azo-containing polyaryletherketone material. the 6.如权利要求5所述的含偶氮聚芳醚酮聚合物的制备方法,其特征在于:步骤(1)重结晶过程中所使用的有机溶剂是甲醇、乙醇或甲苯。  6 . The preparation method of azo-containing polyaryletherketone polymer according to claim 5 , characterized in that: the organic solvent used in the step (1) recrystallization process is methanol, ethanol or toluene. the 7.如权利要求5所述的含偶氮聚芳醚酮聚合物的制备方法,其特征在于:步骤(2)使用的有机溶剂是三氯甲烷、四氢呋喃或二氧六环。  7. The preparation method of azo-containing polyaryletherketone polymer according to claim 5, characterized in that: the organic solvent used in step (2) is chloroform, tetrahydrofuran or dioxane. the
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