CN109627442A - A kind of polyimides and preparation method of Electro-stimulate response - Google Patents
A kind of polyimides and preparation method of Electro-stimulate response Download PDFInfo
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- CN109627442A CN109627442A CN201811625126.2A CN201811625126A CN109627442A CN 109627442 A CN109627442 A CN 109627442A CN 201811625126 A CN201811625126 A CN 201811625126A CN 109627442 A CN109627442 A CN 109627442A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular 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
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1067—Wholly aromatic polyimides, i.e. having both tetracarboxylic and diamino moieties aromatically bound
- C08G73/1071—Wholly aromatic polyimides containing oxygen in the form of ether bonds in the main chain
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular 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
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1003—Preparatory processes
- C08G73/1007—Preparatory processes from tetracarboxylic acids or derivatives and diamines
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular 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
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1057—Polyimides containing other atoms than carbon, hydrogen, nitrogen or oxygen in the main chain
Abstract
The invention discloses a kind of polyimides of Electro-stimulate response and preparation method, which has electro photoluminescence hydrophobe responsiveness.Preparation process is as follows: side chain being contained the diamines dissolution of ferrocene group in a solvent first, tetracarboxylic dianhydride is then added thereto, diamines containing long alkyl chain and tetracarboxylic dianhydride's molar ratio are 0.9~1:1,45min is reacted at 60 DEG C, end-capping reagent is then added, end-capping reagent and tetracarboxylic dianhydride's molar ratio are 0~0.1:1, react 0.5h；Then it is stirred 4 hours at 180 DEG C, after stirring, solution is put into and obtains white precipitate in water；The precipitating is collected by filtration, after washing with water 3 times, three times, temperature of washing water is 80 DEG C to reusable heat water washing, it is finally 20 hours dry in 80 DEG C of vacuum drier, obtain the powder of the polyimides of rufous.The polyimides of Electro-stimulate response provided by the invention has high glass-transition temperature and excellent electroresponsive.
Description
Technical field
The present invention relates to a kind of polyimides, in particular to a kind of to be suitable for organic photoelectric display tube, organic light-emitting diodes
Pipe, thin-film solar cells polyimide base material, flexible print wiring board substrate, the insulating layer of organic electroluminescent device etc.
Electro-stimulate response polyimides and preparation method.
Background technique
Printed electronics technology (Print Full Electronic Technology) is rapid in global evolution at present
One of new industry.Compared with conventional microelectronic technology, printed electronics have with material is few, at low cost, pollution-free, flexibility
Etc. advantages, be a kind of green manufacture technology.Pass through Digital Inkjet Printing (Digital Printing Inkjet
Technology the process of entire printed circuit board) is directly formed on substrate (no copper foil).As electronic product presentation is small-sized
The characteristics of change, light and thin type, more harsh requirement is just proposed for circuit board.Compared with traditional PCB plate, the base of printed electronics
Material inherently includes that route has element again, is all completed by printing, becomes real electronic circuit, this complete integraty is
Pcb board is incomparable.Simultaneously as printed electronic inherently inkjet printing, substrate based on organic film, it
Good bendability and ultra-thin attribute will be shown, itself good plasticity will save more spaces for electronic product, can
Wearable device and curved screens have important application prospect.
For example, disclosing a kind of polyimide base material for flexible print circuit in United States Patent (USP) US 2006241239
Preparation method discloses a kind of preparation method of flexible capacitor in Japanese Unexamined Patent Publication 09-017691 bulletin, wherein using 5-
500 μm of polyimides are as basilar memebrane.Chinese patent CN108137971A discloses a kind of composition for printed electronic, main
Describe the printing technology of the composition and the application in electronic device, the application especially in electroluminescent device,
Chinese patent CN106750292A discloses a kind of preparation of polyimides for printed electronic.
Though preparing printed electronic since the patent of application disclosed above has using ink-jet printing process, most of substrate is not
Have the performance of hydrophilic and hydrophobic transformation, therefore requires to carry out special place to substrate when printing in substrate or printed wire
Reason, process are complicated, and to substrate damage easy to form, are changed by light sensitivity hydrophilic and hydrophobic, need mask plate or
Ultraviolet irradiation is carried out under person's specific environment, operating condition is harsher.
In view of this, to solve the above-mentioned problems, it is necessary to develop a kind of polyimide base material of Electro-stimulate response, this kind
Substrate is under electro photoluminescence with the transformation of close and distant property.
Summary of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide polyimides and the preparation of a kind of Electro-stimulate response
Method；The present invention by polyimide resin introduce the close and distant sex reversal of electro photoluminescence monomer, to allow to apply
In organic photoelectric display tube, Organic Light Emitting Diode, thin-film solar cells, contact pressure inductor, thin film switch polyamides
In imines substrate.
The purpose of the present invention is achieved through the following technical solutions: a kind of polyimides of Electro-stimulate response, special
Sign is that the polyimides has electro photoluminescence hydrophobe responsiveness, contains polyimides unit shown in formula (1):
In formula (1), X is the organic group of singly-bound or divalent.
Further, the X in the formula (1) is preferably two (trifluoromethyl) methylene, carbonyl, sulfo group, oxygen atom diformazan
Methylene, methylene.
The present invention also provides a kind of preparation method of the polyimides of above-mentioned Electro-stimulate response, this method specifically:
Under drying nitrogen stream, in a solvent, tetracarboxylic acid is then added in the diamines dissolution that side chain is contained ferrocene group first thereto
Acid dianhydride reacts about 45min at 60 DEG C；End-capping reagent is then added, reacts 0.5h；The diamines containing ferrocene group and four
Carboxylic acid dianhydride molar ratio is 0.9~1:1, and end-capping reagent and tetracarboxylic dianhydride's molar ratio are 0~0.1:1；The stir about 4 at 180 DEG C
After hour, solution is put into and obtains white precipitate in water；The precipitating is collected by filtration, after washing with water 3 times, then with 80 DEG C of heat
Water washing is three times, finally about 20 hours dry in 80 DEG C of vacuum drier, obtains the powder of the polyimides of rufous.
Further, the side chain contains the diamines of ferrocene group, shown in structural formula such as formula (2):
Further, the tetracarboxylic dianhydride be selected from pyromellitic acid anhydride, 3,4,3 ', 4 '-biphenyltetracarboxylic dianhydrides, 4,
4 '-oxygroup dicarboxylic acid dianhydrides, 3,4,3 ', 4 '-benzophenone tetracarboxylic dianhydrides, 3,3 ', 4,4 '-diphenyl sulfone tetracarboxylic dianhydrides,
Bis- (3,4- dicarboxyphenyi) ether dianhydrides, 9,9- bis- (3,4- dicarboxyphenyi) fluorenes dianhydride, [4- (the 3,4- dicarboxyl benzene of 9,9- bis-
Oxygroup) phenyl] fluorenes dianhydride, 2,3,6,7- naphthalene tetracarboxylic acid dianhydride, 4,4 '-(hexafluoroisopropylidenyl) dicarboxylic anhydrides, 1,2,3,4- ring
Butane tetracarboxylic acid dianhydride, two rings [2.2.2] phenyl) propane dianhydride.
Further, the tetracarboxylic dianhydride is preferably bis- (3,4- dicarboxyphenyi) ether dianhydrides.
Further, the solvent can use n-methyl-2-pyrrolidone (NMP), gamma-butyrolacton, N, N- dimethyl
Formamide, DMAC N,N' dimethyl acetamide, dimethyl sulfoxide isopolarity solvent.
The beneficial effects of the present invention are:
1, the polyimide resin is prepared by a step two-phase method, using polycondensation and hot imidization method, has work compared with two-step method
Skill is simple, operates succinct advantage；
2, the electroresponsive polyimide resin preparation electroresponsive that is simple, and preparing of the printed electronic
Polyimide resin has preferable Electro-stimulate response performance；
3, the printed electronic has excellent flexibility and cementability with electroresponsive polyimides tree, most significant
It is that there is excellent close and distant sex reversal performance.
Detailed description of the invention
Fig. 1 is that the present invention prepares Kapton electro photoluminescence hydrophobe response performance characterization result figure；
Fig. 2 is that the present invention prepares Kapton electro photoluminescence hydrophobe Response Mechanism figure.
Specific embodiment
The purpose of the present invention is achieved through the following technical solutions: a kind of polyimides and its system of Electro-stimulate response
Preparation Method, the polyimides have photosensitive hydrophobe responsiveness；The polyimides of the electro photoluminescence hydrophobe responsiveness is by one
Class side chain contains made from diamines and the dianhydride monomer reaction of ferrocene group, wherein polyimides contains and gathers shown in formula (1)
Acid imide unit:
In formula (1), X is the organic group of singly-bound or divalent
The polyimides unit of formula (1) is by making tetracarboxylic dianhydride and the side chain with the close and distant conversion of light sensitivity contains two
The reaction mixture of the diamines of the diamines of the iron-based group of cyclopentadienyl carries out imidizate to obtain.
Alkaline soluble polyimide is made using a step two-phase method in the present invention, and specific synthesis step is as follows: in drying nitrogen
It flows down, first in a solvent by the diamines dissolution containing long alkyl chain, tetracarboxylic dianhydride is then added thereto, side chain contains two
The diamines and tetracarboxylic dianhydride's molar ratio of the iron-based group of cyclopentadienyl are 0.9~1:1, react 45min at 60 DEG C, end-capping reagent is then added, seal
It holds agent and tetracarboxylic dianhydride's molar ratio is 0~0.1:1, react 0.5h.Then it is stirred 4 hours at 180 DEG C.After stirring,
Solution is put into and obtains white precipitate in water.The precipitating is collected by filtration, after washing with water 3 times, reusable heat water washing three
Secondary, temperature of washing water is 80 DEG C, finally 20 hours dry in 80 DEG C of vacuum drier, obtains the polyimides tree of rufous
The powder of rouge.
As become the present invention used in alkaline soluble polyimide resin structural unit tetracarboxylic dianhydride it is specific
Example, can enumerate pyromellitic acid anhydride, 3,4,3 ', 4 '-biphenyltetracarboxylic dianhydrides, 4,4 '-oxygroup dicarboxylic acid dianhydrides, 3,4,
3 ', 4 '-benzophenone tetracarboxylic dianhydrides, 3,3 ', 4,4 '-diphenyl sulfone tetracarboxylic dianhydrides, bis- (3,4- dicarboxyphenyi) ethers two
Acid anhydride, 9,9- bis- (3,4- dicarboxyphenyi) fluorenes dianhydride, 9,9- bis- [4- (3,4- di carboxyl phenyloxy) phenyl] fluorenes dianhydride, 2,3,6,
7- naphthalene tetracarboxylic acid dianhydride, 4,4 '-(hexafluoroisopropylidenyl) dicarboxylic anhydrides, 1,2,3,4- cyclobutane tetracarboxylic dianhydride, two rings
[2.2.2] phenyl) propane dianhydride etc..Wherein, it is preferable to use bis- (3,4- dicarboxyphenyi) ether dianhydrides.
As diamine monomer used in the present invention is become, the diamines of ferrocene group, structure are contained for a kind of side chain
Shown in formula such as formula (2).
Positive type photosensitive polyimide resin composition of the invention preferably comprises solvent.As solvent, N- first can be enumerated
The poles such as base -2-Pyrrolidone (NMP), gamma-butyrolacton, N,N-dimethylformamide, DMAC N,N' dimethyl acetamide, dimethyl sulfoxide
Property solvent.
This can obtain the i line (wave by the i.e. mercury lamp of general ultraviolet light by using above-mentioned photo-sensitive diethylenetriamine monomer
Long 365nm), h line (wavelength 405nm), g line (wavelength 436nm) carry out the polyimide base material of close and distant sex reversal.
Film, exposure, printing and the sintering of the polyimides of Electro-stimulate response.The specific steps of which are as follows: passing through rotation first
Coating carries out film, then carries out prebake conditions, prebake conditions 30min (200 DEG C), after prebake conditions, is exposed immediately, exposes
Time distinguishes 3min.The upper electrically conductive ink of coating on subsequent Kapton after exposure, subsequent precuring 10min (100 DEG C),
(320 DEG C, 1h) are then sintered in vacuum drying oven to the product of precuring, finally stops heating, is cooled to room temperature taking-up sample, into
The test of row correlated performance.
More specific description is carried out to the present invention by the following examples.
Embodiment 1
Under drying nitrogen stream, make 4- (3,5- bis- (3- aminophenyl) phenyl ester groups) phenyl benzyloxy ferrocene first first
(hereinafter referred to as ACAPFC, 4.22g (8.5mmo) are dissolved in the n-methyl-2-pyrrolidone (NMP) of 8g acid esters, then to it
2gNMP is being added in middle bis- (3, the 4- dicarboxyphenyi) ether dianhydrides (ODPA) of addition 3.12g (10mmol), keeps it anti-at 60 DEG C
45min is answered, the 4-aminophenol 0.327g (3mmol) as end-capping reagent is then added, reacts 0.5h.Then it is stirred at 180 DEG C
It mixes 4 hours.After stirring, solution is put into 300mL water and obtains red-brown precipitation.The precipitating is collected by filtration, uses
After water cleans 3 times, temperature of washing water is 80 DEG C to reusable heat water washing three times, and finally drying 20 is small in 80 DEG C of vacuum drier
When, obtain the powder (A-1) of the polyimide resin of rufous.
Film, exposure, printing and the sintering of the polyimides of Electro-stimulate response.The specific steps of which are as follows: passing through rotation first
Coating carries out film, then carries out prebake conditions, prebake conditions 30min (200 DEG C), after prebake conditions, is exposed immediately, exposes
Time distinguishes 3min.The upper electrically conductive ink of coating on subsequent Kapton after exposure, subsequent precuring 10min (100 DEG C),
(320 DEG C, 1h) are then sintered in vacuum drying oven to the product of precuring, finally stops heating, is cooled to room temperature taking-up sample, into
The test of row correlated performance.
Embodiment 2
Under drying nitrogen stream, make 4- (3,5- bis- (3- aminophenyl) phenyl ester groups) phenyl benzyloxy ferrocene first first
(hereinafter referred to as ACAPFC, 4.22g (8.5mmo) are dissolved in the n-methyl-2-pyrrolidone (NMP) of 8g acid esters, then to it
Middle addition 2.12g (10mmol) pyromellitic acid anhydride (PMDA) is being added 2gNMP, it is made to react 45min at 60 DEG C, with
The 4-aminophenol 0.327g (3mmol) as end-capping reagent is added afterwards, reacts 0.5h.Then it is stirred 4 hours at 180 DEG C.It stirs
After mixing, solution is put into 300mL water and obtains white precipitate.The precipitating is collected by filtration, after washing with water 3 times,
Temperature of washing water is 80 DEG C to reusable heat water washing three times, finally 20 hours dry in 80 DEG C of vacuum drier, obtains white
Polyimide resin powder (A-2).
Film, exposure, printing and the sintering of the polyimides of Electro-stimulate response.The specific steps of which are as follows: passing through rotation first
Coating carries out film, then carries out prebake conditions, prebake conditions 30min (200 DEG C), after prebake conditions, is exposed immediately, exposes
Time distinguishes 3min.The upper electrically conductive ink of coating on subsequent Kapton after exposure, subsequent precuring 10min (100 DEG C),
(320 DEG C, 1h) are then sintered in vacuum drying oven to the product of precuring, finally stops heating, is cooled to room temperature taking-up sample, into
The test of row correlated performance.
Embodiment 3
Under drying nitrogen stream, make 4- (3,5- bis- (3- aminophenyl) phenyl ester groups) phenyl benzyloxy ferrocene first first
(hereinafter referred to as ACAPFC, 4.22g (8.5mmo) are dissolved in the n-methyl-2-pyrrolidone (NMP) of 8g acid esters, then to it
Middle bis- (3, the 4- dicarboxyphenyi) ether dianhydrides (ODPA) of addition 1.56g (5mmol), are dissolved in the n-methyl-2-pyrrolidone of 4g
(NMP) in, 1.06g (5mmol) pyromellitic acid anhydride (PMDA) is then added thereto, 2gNMP is being added, is making it at 60 DEG C
Lower reaction 45min is then added the 4-aminophenol 0.327g (3mmol) as end-capping reagent, reacts 0.5h.Then at 180 DEG C
Lower stirring 4 hours.After stirring, solution is put into 300mL water and obtains white precipitate.The precipitating is collected by filtration,
After washing with water 3 times, temperature of washing water is 80 DEG C to reusable heat water washing three times, finally dry 20 in 80 DEG C of vacuum drier
Hour, obtain the powder (A-3) of the polyimide resin of white.
Film, exposure, printing and the sintering of the polyimides of Electro-stimulate response.The specific steps of which are as follows: passing through rotation first
Coating carries out film, then carries out prebake conditions, prebake conditions 30min (200 DEG C), after prebake conditions, is exposed immediately, exposes
Time distinguishes 3min.The upper electrically conductive ink of coating on subsequent Kapton after exposure, subsequent precuring 10min (100 DEG C),
(320 DEG C, 1h) are then sintered in vacuum drying oven to the product of precuring, finally stops heating, is cooled to room temperature taking-up sample, into
The test of row correlated performance.
Comparative example 1
Under drying nitrogen stream, making 2,2- bis- (3- amino-4-hydroxylphenyls) first, hexafluoropropane is (hereinafter referred to as
BAHF3.11g (8.5mmo) is dissolved in the n-methyl-2-pyrrolidone (NMP) of 8g, and 3.12g is then added thereto
(10mmol) bis- (3,4- dicarboxyphenyi) ether dianhydrides (ODPA) are being added 2gNMP, so that it is reacted 45min at 60 DEG C, then
The 4-aminophenol 0.327g (3mmol) as end-capping reagent is added, reacts 0.5h.Then it is stirred 4 hours at 180 DEG C.Stirring
After, solution is put into 300mL water and obtains white precipitate.The precipitating is collected by filtration, after washing with water 3 times, then
Washing temperature of washing water three times with hot water is 80 DEG C, finally 20 hours dry in 80 DEG C of vacuum drier, obtains white
The powder (A-5) of alkaline soluble polyimide resin.
Film, exposure, printing and the sintering of the polyimides of Electro-stimulate response.The specific steps of which are as follows: passing through rotation first
Coating carries out film, then carries out prebake conditions, prebake conditions 30min (200 DEG C), after prebake conditions, is exposed immediately, exposes
Time distinguishes 3min.The upper electrically conductive ink of coating on subsequent Kapton after exposure, subsequent precuring 10min (100 DEG C),
(320 DEG C, 1h) are then sintered in vacuum drying oven to the product of precuring, finally stops heating, is cooled to room temperature taking-up sample, into
The test of row correlated performance.
To being evaluated below 1 polyimide coating film row of resulting Examples 1 to 3 and comparative example:
1. water contact angle is tested
The polyimide resin film obtained in embodiment and comparative example is exposed in ultraviolet exposure machine (XF-6090)
Light is then tested using contact angle equipment (Phoenix-300), and records related data.
2. the measurement of dielectric constant
By the polyimide resin film obtained in embodiment and comparative example dry 30 minutes at 150 DEG C, at 25 DEG C and
Under conditions of 50%RH, measured respectively using resonator (Agilent E5071BENA) by separating medium resonator (SPDR) method
The dielectric constant of a photosensitive polyimide resin film.
The measurement of 3.Tg
It is measured by differential scanning calorimetry DSC, test condition is as follows: the sample of 10-15mg is placed in crucible,
Test, test condition are put on differential scanning amount instrument are as follows: nitrogen atmosphere, heating rate are 10 DEG C/min, and temperature test range is
450 DEG C of room temperature-.
Test result: here, by electron microscope observation photoetching degree and Fig. 1's as a result, in embodiment 1-3,
Carrying out redox with the electric current that voltage is 3 volts stimulates 10s, and then in printing electrically conductive ink, solidification sintering can be obtained very
Good route, in addition from table 1 it is known that implementing 1-3 all has excellent mechanical property and low dielectric constant.Polyimides
Film electro photoluminescence hydrophobe Response Mechanism is as shown in Figure 2.
Table 1
Above-described embodiment is used to illustrate the present invention, rather than limits the invention, in spirit of the invention and
In scope of protection of the claims, to any modifications and changes that the present invention makes, protection scope of the present invention is both fallen within.
Claims (7)
1. a kind of polyimides of Electro-stimulate response, which is characterized in that the polyimides has electro photoluminescence hydrophobe responsiveness, contains
There is polyimides unit shown in formula (1):
In formula (1), X is the organic group of singly-bound or divalent.
2. the polyimides of Electro-stimulate response as described in claim 1, which is characterized in that the X in the formula (1) is preferably two
(trifluoromethyl) methylene, carbonyl, sulfo group, oxygen atom dimethylmethylene, methylene.
3. a kind of preparation method of the polyimides of Electro-stimulate response described in claim 1, which is characterized in that this method is specific
Are as follows: under drying nitrogen stream, the diamines dissolution that side chain is contained ferrocene group first in a solvent, is then added four thereto
Carboxylic acid dianhydride reacts about 45min at 60 DEG C；End-capping reagent is then added, reacts 0.5h；The diamines containing ferrocene group and
Tetracarboxylic dianhydride's molar ratio is 0.9~1:1, and end-capping reagent and tetracarboxylic dianhydride's molar ratio are 0~0.1:1；The stir about at 180 DEG C
After 4 hours, solution is put into and obtains white precipitate in water；The precipitating is collected by filtration, after washing with water 3 times, then with 80 DEG C
Hot water washs three times, finally about 20 hours dry in 80 DEG C of vacuum drier, obtains the powder of the polyimides of rufous.
4. preparation method as claimed in claim 3, which is characterized in that the side chain contains the diamines of ferrocene group, knot
Shown in structure formula such as formula (2):
5. preparation method as claimed in claim 3, which is characterized in that the tetracarboxylic dianhydride be selected from pyromellitic acid anhydride,
3,4,3 ', 4 '-biphenyltetracarboxylic dianhydrides, 4,4 '-oxygroup dicarboxylic acid dianhydrides, 3,4,3 ', 4 '-benzophenone tetracarboxylic dianhydrides, 3,
3 ', 4,4 '-diphenyl sulfone tetracarboxylic dianhydrides, bis- (3,4- dicarboxyphenyi) ether dianhydrides, 9,9- bis- (3,4- dicarboxyphenyi) fluorenes
Dianhydride, 9,9- bis- [4- (3,4- di carboxyl phenyloxy) phenyl] fluorenes dianhydride, 2,3,6,7- naphthalene tetracarboxylic acid dianhydride, 4,4 '-(hexafluoro is different
Propylidene) dicarboxylic anhydride, 1,2,3,4- cyclobutane tetracarboxylic dianhydride, two rings [2.2.2] phenyl) propane dianhydride.
6. preparation method as claimed in claim 5, which is characterized in that the tetracarboxylic dianhydride is preferably bis- (3,4- dicarboxyls
Phenyl) ether dianhydride.
7. preparation method as claimed in claim 2, which is characterized in that the solvent can use n-methyl-2-pyrrolidone
(NMP), gamma-butyrolacton, N,N-dimethylformamide, DMAC N,N' dimethyl acetamide, dimethyl sulfoxide isopolarity solvent.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117362602A (en) * | 2023-10-11 | 2024-01-09 | 武汉中科先进材料科技有限公司 | Poly-pyromellitic acid diimide thiophene ferrocene, preparation method thereof and lithium ion battery |
| CN117362602B (en) * | 2023-10-11 | 2024-03-26 | 武汉中科先进材料科技有限公司 | Poly-pyromellitic acid diimide thiophene ferrocene, preparation method thereof and lithium ion battery |
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