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CN109161018A - A kind of aromatic series super-branched polyimide and its preparation method and application - Google Patents

A kind of aromatic series super-branched polyimide and its preparation method and application Download PDF

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CN109161018A
CN109161018A CN201810859390.6A CN201810859390A CN109161018A CN 109161018 A CN109161018 A CN 109161018A CN 201810859390 A CN201810859390 A CN 201810859390A CN 109161018 A CN109161018 A CN 109161018A
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hyperbranched
aromatic
polyimide
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hyperbranched polyimide
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刘亦武
谭井华
唐傲
花超然
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Hunan University of Technology
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    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1067Wholly aromatic polyimides, i.e. having both tetracarboxylic and diamino moieties aromatically bound
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    • C08G73/06Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
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    • C08G73/1007Preparatory processes from tetracarboxylic acids or derivatives and diamines
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    • C08G73/00Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1067Wholly aromatic polyimides, i.e. having both tetracarboxylic and diamino moieties aromatically bound
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    • C08G73/06Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1075Partially aromatic polyimides
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    • C08G73/00Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
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    • C08G73/10Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
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    • C08J2379/00Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2361/00 - C08J2377/00
    • C08J2379/04Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
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Abstract

本发明公开的是一种芳香族超支化聚酰亚胺及其制备方法和用途。该类超支化聚酰亚胺材料以芳香族三胺和各种四酸二酐为原料,通过酰亚胺化制成。该类超支化聚酰亚胺具有较高的玻璃化转变温度和热稳定性,较低的热膨胀系数以及优异的溶解性。本发明的合成方法工艺简单、多样,因而适于工业生产。本发明所公开的超支化聚酰亚胺在耐高温领域以及气体渗透分离膜等材料领域具有较好的应用前景。

The invention discloses an aromatic hyperbranched polyimide and its preparation method and application. This type of hyperbranched polyimide material is prepared by imidization with aromatic triamine and various tetraacid dianhydrides as raw materials. Such hyperbranched polyimides have high glass transition temperature and thermal stability, low thermal expansion coefficient and excellent solubility. The synthesis method of the invention is simple and diverse, and thus is suitable for industrial production. The hyperbranched polyimide disclosed in the invention has good application prospects in the field of high temperature resistance and the field of materials such as gas permeation separation membranes.

Description

A kind of aromatic series super-branched polyimide and its preparation method and application
Technical field
The present invention relates to materials science field, especially a kind of aromatic series super-branched polyimide and preparation method thereof.
Technical background
Polyimides refers to the quasi polymer on main chain containing imide ring.It can be divided into according to the difference of its molecular structure Aroma type polyimides and lard type polyimides.Wherein, aromatic polyimide is with its low-dielectric, high mechanicalness, easily system Standby, particularly high thermal stability;Therefore, it is widely applied in many high and new technology fields.
However, the high thermal stability of aromatic polyimide makes many polyimides dissolubilities poor, in order to improve The solubility property and processing performance of aromatic polyimide introduce branched structure in polyimides and prepare super-branched polyimide (HBPIs).Super-branched polyimide has a series of excellent due to the advantages of that has both both polyimides and dissaving polymer Comprehensive performance, such as high temperature resistant, high intensity, high dielectric, crystallinity it is low or do not crystallize, solution viscosity is low and dissolubility is good, To obtain the concern and research of vast researcher.Its product has been developed and applied to gas separation membrane and permeable membrane etc. Membrane material and other such as photosensitive, optical waveguides, liquid crystal, sensor (detecting electrode) and dielectric material high and new technology material neck Domain.Relative to linear polyimide material, distance is big between super-branched polyimide strand, this improves its dissolubility, but It is its heat resistance relative drop, which has limited it in space flight, aviation aircraft structure or function component and rocket, guided missile etc. Part field extensive use.Therefore, on the basis of keeping super-branched polyimide high solubility, while it is improved Heat resistance, this is of great significance to its application in high temperature resistant field is expanded.
The present invention introduces multiple rigid aromatic structures in super-branched polyimide main chain, and polymer on the one hand can be improved Heat resistance since multiple rigid aromatic structures are introduced into super-branched polyimide main chain, polymerization on the other hand can be expanded The distance between object chain, increases the free volume of polymer, further improves its dissolubility and processing performance, improves its gas infiltration Permeability energy.Super-branched polyimide of the present invention has high glass-transition temperature and thermal stability, lower thermal expansion system simultaneously Several and excellent solubility properties has preferable application in the Material Fields such as high temperature resistant field and gas permeability and separation film Prospect.
Summary of the invention
The object of the present invention is to provide a kind of aromatic series super-branched polyimides.
Another object of the present invention is to provide a kind of above-mentioned preparation methods of aromatic series super-branched polyimide.
The object of the present invention is achieved like this: a kind of aromatic series super-branched polyimide material, general formula of molecular structure It is as follows:
Wherein: m, z, n are 1~10000, and Y structure is as shown in general formula I:
I:
Wherein Ar1Selected from any one of following structural:
Preferably, the Ar1It is selected from
Wherein Ar2Selected from any one of following structural:
Preferably, the Ar2It is selected from One of.
X be selected from one of following general structure or more than one:
Preferably, the m, z, the integer that n is 100~5000.
Further, it is preferable to the m, z, the integer that n is 1000~2000.
Another object of the present invention is to provide a kind of preparation method of above-mentioned aromatic series super-branched polyimide, this method Are as follows: in molar ratio it is 1:(0.8~2.5 by the triamine containing Y structure and the dianhydride containing X architecture in argon atmosphere) it is dissolved in N- methyl Pyrrolidones, dimethyl sulfoxide, dimethyl sulfone, sulfolane, Isosorbide-5-Nitrae-dioxane, n,N-dimethylacetamide, N, N- dimethyl In one of formamide, metacresol, tetrahydrofuran or the highly polar aprotic organic solvent of more than one mixing, contain Y structure Diamines and the dianhydride gross mass containing X architecture account for the 0.5~30% of reaction mass gross mass, be stirred to react 0.5 at -10~55 DEG C ~90h obtains homogeneous ultrabranching polyamide acid solution, and passes through hot-imide or chemistry to ultrabranching polyamide acid glue Imidizate is dehydrated to obtain super-branched polyimide material.
The concrete operation step of the hot-imide method are as follows: on a glass by ultrabranching polyamide acid glue blade coating, Glass plate is placed in vacuum drying oven again, is vacuumized, temperature program are as follows: room temperature to the entire mistake of constant temperature after 80 DEG C~120 DEG C 0.8~3h of journey, constant temperature 0.8~2h of whole process, is finally warming up to 300 DEG C~400 after being warming up to 150 DEG C~200 DEG C again later 0.8~2h of constant temperature whole process after DEG C can be taken off super-branched polyimide film or powder after cooling.
The concrete operation step of the chemical imidization method are as follows: in ultrabranching polyamide acid solution liquid be added pyridine/ As dehydrating agent, heating stirring is heated to 40~170 DEG C of continuation for acetic anhydride or triethylamine/acetic anhydride or sodium acetate/acetic anhydride Stirring 4~for 24 hours, it is poured into after being cooled to room temperature in methanol or ethyl alcohol and obtains super-branched polyimide precipitating, be filtered, washed, dry, Super-branched polyimide powder is obtained, if you need to prepare membrane material, then polyimides powder can be dissolved in N-Methyl pyrrolidone (NMP), dimethyl sulfoxide (DMSO), n,N-dimethylacetamide (DMAc), n,N-Dimethylformamide (DMF), metacresol (m- Cresol it) or in tetrahydrofuran (THF), is heated to after being completely dissolved, on a glass by polyimide solution blade coating, 70~ 200 DEG C of vacuum drying remove solvent, can be taken off polyimide film after cooling.
A kind of preparation method of the aromatic series super-branched polyimide proposed is invented, preparation process is simple and various, item Part requirement is low, thus is suitable for industrial production.The present invention introduces multiple rigid aromatic structures in super-branched polyimide main chain, and one The heat resistance of polymer can be improved in aspect, on the other hand, since multiple rigid aromatic structures are introduced into hyperbranched polyamides Asia Amine main chain can expand the distance between polymer chain, increase the free volume of polymer, further improve its dissolubility and add Work performance improves its gas permeability.Super-branched polyimide of the present invention has high glass-transition temperature and heat steady simultaneously It is qualitative, lower thermal expansion coefficient and excellent solubility property, in the materials such as high temperature resistant field and gas permeability and separation film Material field is with good application prospect.
Detailed description of the invention
Fig. 1 is the infrared spectrogram of Examples 1 to 7 super-branched polyimide, in which:
A corresponding embodiment 3
B corresponding embodiment 5
C corresponding embodiment 1
D corresponding embodiment 2
E corresponding embodiment 4
F corresponding embodiment 6
G corresponding embodiment 7
It can see from infrared spectrogram, in 1781 and 1716cm-1It is nearby the asymmetric and right of carbonyl on imide ring Claim stretching vibration, in 1360cm-1There is apparent C-N key stretching vibration characteristic absorption peak in place, these all illustrate Examples 1 to 7 All successfully synthesize.
Specific embodiment
Example is given below so that the present invention will be described in more detail, it is necessary to be pointed out that following embodiment cannot be explained For the limitation to invention protection scope, the person skilled in the art in the field makes the present invention according to foregoing invention content some Nonessential modifications and adaptations should belong to the scope of protection of the present invention.
Embodiment 1
Three mouthfuls of burnings are added in pyromellitic acid anhydride (PMDA) 0.4362g (2mmol) and N,N-dimethylformamide 36ml In bottle, it is passed through argon gas, is warming up to 30 DEG C, by Triamine monomer 4,4 "-diamino-5'- (4-aminophenyl)-[1,1':3', 1 "-terphenyl] -2'-ol 0.3674g (1mmol) is dissolved into 40ml N,N-dimethylformamide constant pressure funnel and exists 1~2h is dropped evenly in three-necked flask, then proceedes to reaction 16h, 6ml acetic anhydride and 2ml triethylamine is then added, is warming up to 45 DEG C of the reaction was continued 12h, reaction terminate to discharge in ethanol after being cooled to room temperature, filter, washing repeats 2~3 times, most postposition Drying for 24 hours, obtains filemot super-branched polyimide polymer, structural formula is as follows in 80 DEG C of vacuum ovens:
Embodiment 2
Pyromellitic acid anhydride (PMDA) 0.4515g (2.07mmol) and DMAC N,N' dimethyl acetamide 15ml is added three mouthfuls In flask, be passed through argon gas, be warming up to 30 DEG C, by Triamine monomer 5,5', 5 "-(benzene-1,3,5-triyl) tris (thiophen-2-amine) 0.3695g (1mmol) is dissolved into 16ml DMAC N,N' dimethyl acetamide constant pressure funnel 1 ~2h is dropped evenly in three-necked flask, then proceedes to reaction 14h, 6.2ml acetic anhydride and 2.1ml triethylamine is then added, rise To 45 DEG C of the reaction was continued 14h, reaction terminates to discharge in ethanol after being cooled to room temperature temperature, filters, washing, repeats 2~3 times, most It is placed on drying in 80 DEG C of vacuum ovens and for 24 hours, obtains lurid super-branched polyimide polymer, structural formula is as follows:
Embodiment 3
By 3,3', 4,4'-- bibenzene tetracarboxylic dianhydride (BPDA) 0.4413g (1.5mmol) and N-Methyl pyrrolidone 10ml It is added in three-necked flask, is passed through argon gas, is warming up to 30 DEG C, by the "-diamino-5'- (4-aminophenyl)-of Triamine monomer 4,4 [1,1':3', 1 "-terphenyl] -2'-thiol 0.3835g (1mmol) is dissolved into 8ml N-Methyl pyrrolidone constant pressure Dropping funel drops evenly in three-necked flask in 1~2h, then proceedes to reaction 26h, 12ml acetic anhydride and 3ml tri- is then added Ethamine is warming up to 45 DEG C the reaction was continued 18h, and reaction terminates to discharge in methyl alcohol after being cooled to room temperature, filter, washing, repeat 2~ It 3 times, is finally placed in drying in 80 DEG C of vacuum ovens and for 24 hours, obtains the super-branched polyimide polymer of reddish brown, structure Formula is as follows:
Embodiment 4
6,6', 6 "-(benzene-1,3,5-triyl) tris (naphthalen-2-amine) 1.0032g (2mmol) and N,N-Dimethylformamide 8ml is added in three-necked flask, is passed through argon gas, is warming up to 30 DEG C, by 3,3', 4,4'- benzophenone tetracids Dianhydride (BTDA) 0.6444g (2mmol) is dissolved into 8ml N,N-dimethylformamide uniform in 1~2h with constant pressure funnel It is added dropwise in three-necked flask, then proceedes to reaction 16h.Gained super-branched polyimide acid glue is scratched into the glass in dried and clean In glass plate, then glass plate is placed in vacuum drying oven, vacuumized, 80 lower dry 3h, the entire mistake of constant temperature after then raising temperature to 120 DEG C Journey 2h, from 120 DEG C be warming up to 200 DEG C after constant temperature whole process 2h, 350 DEG C of constant temperature whole process 1h are warming up to from 200 DEG C, it is cold But, super-branched polyimide film is taken out, structural formula is as follows:
Embodiment 5
N,N'-(5'-(4-(4-aminobenzamido)phenyl)-[1,1':3',1″-terphenyl]-4,4″- Diyl) bis (4-aminobenza mide) 1.4176g (2mmol) and n,N-dimethylacetamide 5ml is added in three-necked flask, It is passed through argon gas, is warming up to 30 DEG C, hexafluorodianhydride (6FDA) (6FDA) 0.8618g (1.94mmol) is dissolved into 5.5ml N, N- dimethyl second It is dropped evenly in three-necked flask with constant pressure funnel in 1~2h in amide, then proceedes to reaction 20h, 6ml second is then added Acid anhydrides and 2ml triethylamine are warming up to 45 DEG C the reaction was continued 14h, and reaction terminates to discharge in methyl alcohol after being cooled to room temperature, and filtering is washed It washs, repeats 2~3 times, be finally placed in drying in 80 DEG C of vacuum ovens and for 24 hours, obtain super-branched polyimide polymerization russet Object, structural formula are as follows:
Embodiment 6
4'-(3-aminophenyl)-[1,1':2',1″-terphenyl]-3,3″-diamine 0.3515g(1mmol) It is added in three-necked flask with n,N-dimethylacetamide 50ml, is passed through argon gas, is warming up to 30 DEG C, by diphenyl ether tetraformic dianhydride (ODPA) 0.2482g (0.8mmol) is dissolved into 50ml DMAC N,N' dimethyl acetamide uniform in 1~2h with constant pressure funnel It is added dropwise in three-necked flask, then proceedes to reaction 20h.Gained super-branched polyimide acid glue is scratched into the glass in dried and clean In glass plate, then glass plate is placed in vacuum drying oven, vacuumized, 80 lower dry 3h, the entire mistake of constant temperature after then raising temperature to 120 DEG C Journey 2h, from 120 DEG C be warming up to 200 DEG C after constant temperature whole process 2h, 350 DEG C of constant temperature whole process 1h are warming up to from 200 DEG C, it is cold But, super-branched polyimide film is taken out, structural formula is as follows:
Embodiment 7
7,7',7″-(benzene-1,3,5-triyl)tris(2-amino-9H-fluoren-9-one)0.6578g (1mmol) and tetrahydrofuran 2ml are added in three-necked flask, are passed through argon gas, are warming up to 30 DEG C, by cyclobutanetetracarboxylic dianhydride (CBDA) 0.2353g (1.2mmol) is dissolved into 1.5ml tetrahydrofuran is dropped evenly in 1~2h into three with constant pressure funnel In mouth flask, reaction 18h is then proceeded to.By gained super-branched polyimide acid glue blade coating on the glass plate of dried and clean, Glass plate is placed in vacuum drying oven again, is vacuumized, 80 lower dry 3h, constant temperature whole process 2h after then raising temperature to 120 DEG C, from 120 DEG C be warming up to 200 DEG C after constant temperature whole process 2h, be warming up to 350 DEG C of constant temperature whole process 1h from 200 DEG C, it is cooling, take out it is super Branched polyimide film, structural formula are as follows:
Using the differential scanning calorimeter (DSC204) of Nai Chi company and the thermogravimetric analyzer (Q50) of TA company respectively to reality It applies super-branched polyimide prepared by example 1~7 and carries out glass transition temperature (Tg) and the survey of 5% thermal weight loss temperature (T5%) Examination, test result is as shown in table 1, and the solubility property data of super-branched polyimide are as shown in table 2.
The hot property of 1 super-branched polyimide of table
The dissolubility of 2 super-branched polyimide of table
Note: ++ representing room temperature can be completely dissolved
As can be seen from Table 1 and Table 2, super-branched polyimide of the present invention has high glass-transition temperature and thermostabilization Property, excellent dissolubility.

Claims (10)

1.一种芳香族超支化聚酰亚胺材料,其分子结构通式如下所示:1. an aromatic hyperbranched polyimide material, the general formula of its molecular structure is as follows: 其中:m,z,n为1~10000,Y结构如通式I所示:Among them: m, z, n are 1~10000, Y structure is shown as general formula I: I: I: 其中Ar1选自下列结构式中的任何一种:wherein Ar 1 is selected from any one of the following structural formulas: 优选地,所述Ar1选自 Preferably, the Ar 1 is selected from X选自以下结构通式中的一种或一种以上:X is selected from one or more of the following general structural formulas: 2.根据权利要求1所述芳香族超支化聚酰亚胺材料,其特征在于:所述结构式I中的Ar2选自下列结构式中的任何一种:2. according to the described aromatic hyperbranched polyimide material of claim 1, it is characterized in that: Ar in described structural formula I 2 is selected from any one in following structural formula: 优选地,所述Ar2选自中的一种。Preferably, the Ar 2 is selected from one of the. 3.根据权利要求1所述一种芳香族超支化聚酰亚胺材料,其特征在于:超支化聚酰亚胺材料制备成粉体、薄膜。3 . The aromatic hyperbranched polyimide material according to claim 1 , wherein the hyperbranched polyimide material is prepared into powder and film. 4 . 4.根据权利要求1所述一种芳香族超支化聚酰亚胺材料的制备方法,其特征在于:氩气气氛中,将含Y结构的三胺与含X结构的二酐按摩尔比为1:0.8~1:2.5溶在强极性非质子有机溶剂中,在-10~55℃搅拌反应0.5~90h,得到均相透明的超支化聚酰胺酸溶液,并对超支化聚酰胺酸溶液进行酰亚胺化得到超支化聚酰亚胺材料。4. the preparation method of a kind of aromatic hyperbranched polyimide material according to claim 1 is characterized in that: in argon atmosphere, the triamine containing Y structure and the dianhydride containing X structure are in molar ratio 1:0.8~1:2.5 is dissolved in a strong polar aprotic organic solvent, and the reaction is stirred at -10~55 ℃ for 0.5~90h to obtain a homogeneous and transparent hyperbranched polyamic acid solution. The imidization is carried out to obtain a hyperbranched polyimide material. 5.根据权利要求4所述一种芳香族超支化聚酰亚胺材料的制备方法,其特征在于:含Y结构的三胺与含X结构的二酐总质量占反应物料总质量的0.5~30%。5. the preparation method of a kind of aromatic hyperbranched polyimide material according to claim 4 is characterized in that: the triamine containing Y structure and the dianhydride total mass containing X structure account for 0.5~0.5~ 30%. 6.根据权利要求4所述一种芳香族超支化聚酰亚胺材料的制备方法,其特征在于:强极性非质子有机溶剂为N-甲基吡咯烷酮、二甲基亚砜、二甲基砜、环丁砜、1,4-二氧六环、N,N-二甲基乙酰胺、N,N-二甲基甲酰胺、间甲酚、四氢呋喃中的一种或一种以上的混合物。6. the preparation method of a kind of aromatic hyperbranched polyimide material according to claim 4, is characterized in that: strong polar aprotic organic solvent is N-methylpyrrolidone, dimethyl sulfoxide, dimethyl sulfoxide One or more mixtures of sulfone, sulfolane, 1,4-dioxane, N,N-dimethylacetamide, N,N-dimethylformamide, m-cresol, and tetrahydrofuran. 7.根据权利要求4所述一种芳香族超支化聚酰亚胺材料的制备方法,其特征在于:超支化聚酰胺酸溶液酰亚胺化得到聚酰亚胺的方法是热酰亚胺化或化学酰亚胺化。7. the preparation method of a kind of aromatic hyperbranched polyimide material according to claim 4, is characterized in that: the method that hyperbranched polyamic acid solution imidization obtains polyimide is thermal imidization or chemical imidization. 8.根据权利要求7所述一种芳香族超支化聚酰亚胺材料的制备方法,其特征在于:热酰亚胺化的具体操作为:将超支化聚酰胺酸溶液刮涂在玻璃板上,再将玻璃板置于真空烘箱中,抽真空,升温程序为:室温升温至80℃~120℃后恒温整个过程0.8~3h,之后再升温至150℃~200℃后恒温整个过程0.8~2h,最后升温至300℃~400℃后恒温整个过程0.8~2h,冷却、取出超支化聚酰亚胺膜或粉体。8. the preparation method of a kind of aromatic hyperbranched polyimide material according to claim 7, is characterized in that: the concrete operation of thermal imidization is: hyperbranched polyamic acid solution is scraped on glass plate , and then put the glass plate in a vacuum oven, vacuumize, and the heating program is: the room temperature is raised to 80 ℃ ~ 120 ℃, then the whole process is kept constant for 0.8 ~ 3h, and then the temperature is raised to 150 ℃ ~ 200 ℃ and the whole process is kept constant for 0.8 ~ 2h Finally, the temperature is raised to 300°C to 400°C, and the whole process is kept constant for 0.8 to 2 hours, and the hyperbranched polyimide film or powder is cooled and taken out. 9.根据权利要求7所述一种芳香族超支化聚酰亚胺的制备方法,其特征在于:化学酰亚胺化的具体操作为:在超支化聚酰胺酸溶液中加入吡啶/乙酸酐、或三乙胺/乙酸酐、或乙酸钠/乙酸酐作为脱水剂,升温搅拌,加热至40~170℃继续搅拌4~24h,冷却至室温后倒入甲醇或乙醇中得到超支化聚酰亚胺沉淀,过滤、洗涤、干燥,即得到超支化聚酰亚胺粉体,将聚酰亚胺粉体溶于N-甲基吡咯烷酮、二甲基亚砜、N,N-二甲基乙酰胺、N,N-二甲基甲酰胺、间甲酚或四氢呋喃中,加热至完全溶解后,将聚酰亚胺溶液刮涂在玻璃板上,70~200℃真空干燥去除溶剂,冷却、取出聚酰亚胺膜。9. the preparation method of a kind of aromatic hyperbranched polyimide according to claim 7, is characterized in that: the concrete operation of chemical imidization is: in hyperbranched polyamic acid solution, add pyridine/acetic anhydride, Or triethylamine/acetic anhydride, or sodium acetate/acetic anhydride as a dehydrating agent, heat up and stir, heat to 40-170 ° C and continue to stir for 4-24 h, cool to room temperature and pour into methanol or ethanol to obtain hyperbranched polyimide Precipitate, filter, wash and dry to obtain hyperbranched polyimide powder, dissolve the polyimide powder in N-methylpyrrolidone, dimethyl sulfoxide, N,N-dimethylacetamide, N,N-dimethylformamide, m-cresol or tetrahydrofuran, heat until completely dissolved, then scrape the polyimide solution onto a glass plate, vacuum dry at 70-200 °C to remove the solvent, cool and take out the polyimide solution imine film. 10.根据权利要求1所述的一种芳香族超支化聚酰亚胺材料,其特征在于其应用于耐高温领域以及气体渗透分离膜领域。10 . The aromatic hyperbranched polyimide material according to claim 1 , characterized in that it is used in the field of high temperature resistance and the field of gas permeation separation membranes. 11 .
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112354381A (en) * 2020-10-13 2021-02-12 中山大学 'full polyimide' mixed matrix gas separation membrane and preparation method and application thereof
CN114014742A (en) * 2021-11-01 2022-02-08 上海八亿时空先进材料有限公司 Triarylbenzene derivative, luminescent material, luminescent element and consumer product

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102267940A (en) * 2011-05-31 2011-12-07 湖北大学 Synthesis of triamine containing symmetrical triaryl pyridine structure and hyperbranched polyimide thereof
CN105566633A (en) * 2016-03-08 2016-05-11 湖南工业大学 Novel hyperbranched polyimide containing carbazole structure, and preparation method and application thereof
WO2018126141A1 (en) * 2016-12-31 2018-07-05 Sabic Global Technologies B.V. Branched polyimide compositions, method of manufacture, and uses thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102267940A (en) * 2011-05-31 2011-12-07 湖北大学 Synthesis of triamine containing symmetrical triaryl pyridine structure and hyperbranched polyimide thereof
CN105566633A (en) * 2016-03-08 2016-05-11 湖南工业大学 Novel hyperbranched polyimide containing carbazole structure, and preparation method and application thereof
WO2018126141A1 (en) * 2016-12-31 2018-07-05 Sabic Global Technologies B.V. Branched polyimide compositions, method of manufacture, and uses thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112354381A (en) * 2020-10-13 2021-02-12 中山大学 'full polyimide' mixed matrix gas separation membrane and preparation method and application thereof
CN114014742A (en) * 2021-11-01 2022-02-08 上海八亿时空先进材料有限公司 Triarylbenzene derivative, luminescent material, luminescent element and consumer product
CN114014742B (en) * 2021-11-01 2024-05-10 上海八亿时空先进材料有限公司 Triarylbenzene derivative, luminescent material, luminescent element and consumer product

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Application publication date: 20190108