CN103936990A - Polymer polyelectrolyte at least containing one hydrophobic block component and synthesis method thereof - Google Patents
Polymer polyelectrolyte at least containing one hydrophobic block component and synthesis method thereof Download PDFInfo
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- CN103936990A CN103936990A CN201310021708.0A CN201310021708A CN103936990A CN 103936990 A CN103936990 A CN 103936990A CN 201310021708 A CN201310021708 A CN 201310021708A CN 103936990 A CN103936990 A CN 103936990A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
The invention discloses a polymer polyelectrolyte at least containing one hydrophobic block component and a synthesis method thereof, the polymer polyelectrolyte is shown as the following structure:-{-[-(-Ar1-X-Ar1-Y-Ar2-Y-) n-Ar1-X-Ar1-E-]a-(Ar3)b-E-(Ar2)c-Y-(Ar1-X-Ar1) d-} K-......., and the synthetic steps are as follows: step 1), first preparing a hydrophobic polymer M part with a set molecular weight; step 2), copolymerizing the hydrophobic polymer M part which is prepared in the step 1) and used as a multi-functional component with other multi-functional components. A membrane material synthesized by the polymer polyelectrolyte has strong mechanical properties, can be used as a high performance separating membrane material, can be used as a proton electric conducting diaphragm of a fuel cell, and also can be used as an electric conductive component in a coating ink.
Description
Technical field
The invention belongs to polymeric material field, be specifically related to a kind of multipolymer polyelectrolyte and synthetic method that at least contains a hydrophobic block component.
Background technology
Polyelectrolyte has the dual structure feature of polymer long-chain and the ionization of small molecules ionogen concurrently, have the not available functional performance of common polymer (as glutinous in increased, flocculation, electrostatic interaction etc.), these characteristics make it have very extensive and important application.Because segmented copolymer has the potentiality that self-assembly is the regular sequential structure of height of cell size, therefore just causing people's broad interest.In segmented copolymer, two or more homopolymer chains forms covalent linkage at its end of the chain.Through suitable thermal equilibrium effect, the molecule ligation between different block chains and interaction thereof can cause the formation of a series of microphase-separated forms.The existence of outer boundary is very large on the micro-territory form impact forming, and in film, because the component containing lower interfacial energy can accumulate on interface separately, and then makes micro-territory in alignment especially.When film thickness and balance, interlamellar spacing is disproportionate, on thin layer surface, because nucleogenesis forms hole or island structure, to regulate thickness of thin layer herein, makes it to reach optimum quantity subvalue.Therefore at present segmented copolymer polyelectrolyte is just receiving increasing concern preparing aspect mould material.
Summary of the invention
For addressing the above problem, the object of this invention is to provide a kind of multipolymer polyelectrolyte and synthetic method that at least contains a hydrophobic block component, synthetic multipolymer polyelectrolyte can be used as high-performance separation membrane material, the proton conductive barrier film that can use as fuel cell, also can be used as the conductive component in coating ink used.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the present invention is achieved through the following technical solutions:
At least, containing the multipolymer polyelectrolyte of a hydrophobic block component, composition structure is:
-{ [(Ar1-X-Ar1-Y-Ar2-Y-)
n-Ar1-X-Ar1-E-]
a-(Ar3)
b-E-(Ar2)
c-Y-(Ar1-X-Ar1)
d-
k-... .... or
-{ [Ar2-(Ar1-X-Ar1-Y-Ar2-Y-)
n-]
a-(Ar3)
b-Y-(Ar2)
c-Y-(Ar1-X-Ar1)
d-
k-... ...., wherein--[(Ar1-X-Ar1-Y-Ar2-Y-)
n-Ar1-X-Ar1-E-]
a--be hydrophobic polymer M part, Ar1 is phenyl, Nai Ji, triphenyl, benzene cyano group or-Ar4--R1-Ar5--, wherein R1 is-C (O)--,--S (O)
2--,--P (O) (C
6h
5)--,--C (O)-Ar-C (O)--or--C (O)-Ar6-S (O)
2--, Ar4, Ar5, Ar6 is aromatic group or substituted aroma group;
Ar2 is-O-Ar7-R2-Ar8-O--;
R2 is single covalent linkage, naphthenic hydrocarbon C
2h
2n-2;
Ar7, Ar8 is aromatic group or substituted aroma group;
Wherein X is-C (O)--,--S (O)
2--,--P (O) (C
6h
5)--,
--C (O)-Ar-C (O)--or--C (O)-Ar6-S (O)
2--Ar4, Ar5, Ar6 is aromatic group or substituted aroma group;
Y is-S-,-O-;
The single covalent linkage of E, polyelectrolyte is polyhenylene structure, or is-S--O-;
N is 0 to 20 integer;
K is 20 to 200 integer;
A, b, c, d, for mole number or be per-cent, wherein a+b+d=c;
Ar3 is the aromatic portion with hydrophilic and ionic groups, and its structure is:
Z is hydrogen atom or strong electron-withdrawing group group, is CN, NO
2or CF
3;
A is-C (O)--,--S (O)
2--;
B is--O--,--S--,--CH
2--or--OCH
2cH
2o--;
Ar is aromatic group or substituted aroma group;
Ra, Rb is-SO
3h,--COOH,--PO
3h or--SO
2nHSO
2r, Ra, Rb is identical or different,--SO
2nHSO
2in R, R is CF
2n+1;
X, y, g, is 1 to 100 integer.
Further, described hydrophobic polymer M is partly aromatics, is polyaryletherketone, polyether sulphone, polyarylether or polyhenylene, and the number-average molecular weight of this class segment is between 500-8000, and the polymerization degree is between 1-20; In the copolymerization participating in after described hydrophobic polymer M partly completes preparation, comprise a class with the component of hydrophilic ionic group, it can be sulfonation group-SO with ionic group
3h, hydroxy-acid group-COOH, phosphate group-PO
3h or sulfimide group-SO
2nHSO
2r, wherein R is CnF2n+1.
Further, described ionogen is as high-performance separation membrane material.
Further, the proton conductive barrier film that described ionogen is used as fuel cell.
Further, described ionogen is as the conductive component in coating ink used.
Synthetic described at least containing the method for the multipolymer polyelectrolyte of a hydrophobic block component, comprise the following steps:
Step 1) the hydrophobic polymer M part of molecular weight is set in first preparation;
Step 2) using step 1) the hydrophobic polymer M for preparing part carries out copolymerization again as a kind of multi-functional component and other polyfunctional group component, wherein participates at least comprising in other other components of copolymerization the hydrophilic ionic functional group's of a class band composition.
The invention has the beneficial effects as follows:
1, the synthetic multipolymer polyelectrolyte of the present invention adopts some high-modulus monomers, segment, therefore prepared mould material has very strong mechanical property, when practical application, after segmented copolymer of the present invention can being dissolved in to organic solvent, on dull and stereotyped coating machine, be coated with continuously masking, and then with the prepared film of protonic acid acidification, result obtains having hydrophobic/hydrophilic amphipathic membrane material;
2, in the synthetic multipolymer polyelectrolyte of the present invention, because existing, hydrophobic block cause in ionogen chain hydrophobic block due to the difference of the consistency with other parts and the aspects such as swelling in water medium, therefore after film forming, can other parts there is microphase-separated in hydrophobic block; And by controlling, designing the difference that different hydrophobic blocks bring intermiscibility, thereby effectively control microphase separation degree, and this being separated can form a kind of " island-Hai "
Structure; Such mould material not only can be used as fuel cell proton conductive barrier film, also can be used as high-performance separation membrane material, as water treatment aspect have high-throughput, high rejection the membrane materials such as nanofiltration, reverse osmosis, micro-filtration and ultrafiltration.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technique means of the present invention, and can be implemented according to the content of specification sheets, below with preferred embodiment of the present invention, is described in detail as follows.The specific embodiment of the present invention is provided in detail by following examples.
Embodiment
Below in conjunction with embodiment, describe the present invention in detail.
At least, containing the multipolymer polyelectrolyte of a hydrophobic block component, composition structure is:
-{ [(Ar1-X-Ar1-Y-Ar2-Y-)
n-Ar1-X-Ar1-E-]
a-(Ar3)
b-E-(Ar2)
c-Y-(Ar1-X-Ar1)
d-
k-... .... or
-{ [Ar2-(Ar1-X-Ar1-Y-Ar2-Y-)
n-]
a-(Ar3)
b-Y-(Ar2)
c-Y-(Ar1-X-Ar1)
d-
k-... ...., wherein--[(Ar1-X-Ar1-Y-Ar2-Y-)
n-Ar1-X-Ar1-E-]
a--be hydrophobic polymer M part, Ar1 is phenyl, Nai Ji, triphenyl, benzene cyano group or-Ar4--R1-Ar5--, wherein R1 is-C (O)--,--S (O)
2--,--P (O) (C
6h
5)--,--C (O)-Ar-C (O)--or--C (O)-Ar6-S (O)
2--, Ar4, Ar5, Ar6 is aromatic group or substituted aroma group;
Ar2 is-O-Ar7-R2-Ar8-O--;
R2 is single covalent linkage, naphthenic hydrocarbon C
2h
2n-2;
Ar7, Ar8 is aromatic group or substituted aroma group;
Wherein X is-C (O)--,--S (O)
2--,--P (O) (C
6h
5)--,
--C (O)-Ar-C (O)--or--C (O)-Ar6-S (O)
2--, Ar4, Ar5, Ar6 is aromatic group or substituted aroma group;
Y is-S-,-O-;
The single covalent linkage of E, polyelectrolyte is polyhenylene structure, or is-S--O-;
N is 0 to 20 integer;
K is 20 to 200 integer;
A, b, c, d, for mole number or be per-cent, wherein a+b+d=c;
Ar3 is the aromatic portion with hydrophilic and ionic groups, and its structure is:
Z is hydrogen atom or strong electron-withdrawing group group, is CN, NO
2or CF
3;
A is-C (O)--,--S (O)
2--;
B is--O--,--S--,--CH
2--or--OCH
2cH
2o--;
Ar is aromatic group or substituted aroma group;
Ra, Rb is-SO
3h,--COOH,--PO
3h or--SO
2nHSO
2r, Ra, Rb is identical or different,--SO
2nHSO
2in R, R is CF
2n+1;
X, y, g, is 1 to 100 integer.
Further, described hydrophobic polymer M is partly aromatics, is polyaryletherketone, polyether sulphone, polyarylether or polyhenylene, and the number-average molecular weight of this class segment is between 500-8000, and the polymerization degree is between 1-20; In the copolymerization participating in after described hydrophobic polymer M partly completes preparation, comprise a class with the component of hydrophilic ionic group, it can be sulfonation group-SO with ionic group
3h, hydroxy-acid group-COOH, phosphate group-PO
3h or sulfimide group-SO
2nHSO
2r, wherein R is CnF2n+1.
Further, described ionogen is as high-performance separation membrane material.
Further, the proton conductive barrier film that described ionogen is used as fuel cell.
Further, described ionogen is as the conductive component in coating ink used.
Synthetic described at least containing the method for the multipolymer polyelectrolyte of a hydrophobic block component, comprise the following steps:
Step 1) the hydrophobic polymer M part of molecular weight is set in first preparation;
Step 2) using step 1) the hydrophobic polymer M for preparing part carries out copolymerization again as a kind of multi-functional component and other polyfunctional group component, wherein participates at least comprising in other other components of copolymerization the hydrophilic ionic functional group's of a class band composition.
Embodiment 1
Hydrophobic polymer M part: add 5.5 grams to bigeminy phenol in the there-necked flask of one 250 milliliters, 10.3 grams of difluorobenzene sulfones, 5.5 grams of salt of wormwood, 80 milliliters of methyl-sulphoxides, after 50 milliliters of toluene, install thermometer, water trap, pass into drying nitrogen, after reaction is warmed up to 135 degree, stop 3 hours, then be warmed up to 180 degree 3 hours, then system cools to room temperature reaction and completes and obtain hydrophobic polymer M part.
The sulfonated monomers (1) at least adopting containing the multipolymer polyelectrolyte of a hydrophobic block component
Synthetic containing the multipolymer polyelectrolyte of a hydrophobic block component at least: add 7.8 grams to 4 to filling in 250 milliliters of there-necked flasks of the hydrophobic polymer M part having prepared, 4 '-cyclohexylene biphenol, 22.4 grams of sulfonated monomerss (1), 7.4 grams of salt of wormwood, 80 milliliters of methyl-sulphoxides, after 70 milliliters of toluene, install thermometer, water trap, pass into drying nitrogen, after reaction is warmed up to 135 degree, stop 3 hours, be then warmed up to 180 degree 3 hours.Reaction completes, and system cools to room temperature, pours 400 ml methanol/water (1: 1) precipitation into and obtains white polymer, after then washing with water several times, is dried and obtains 38.8 grams of multipolymer polyelectrolyte.The number-average molecular weight of gained multipolymer polyelectrolyte is 58000, and weight-average molecular weight is 62000.
Embodiment 2
Hydrophobic polymer M part: add 5.45 grams to bigeminy phenol in the there-necked flask of one 250 milliliters, 10.3 grams of difluorobenzene sulfones, 5.5 grams of salt of wormwood, 80 milliliters of methyl-sulphoxides, after 50 milliliters of toluene, install thermometer, water trap, pass into drying nitrogen, after being warmed up to 135 degree, reaction stops 3 hours, then be warmed up to 180 degree 3 hours, then system cools to room temperature reaction and completes, and obtains hydrophobic polymer M part.
The sulfonated monomers (2) at least adopting containing the multipolymer polyelectrolyte of a hydrophobic block component
Synthetic containing the multipolymer polyelectrolyte of a hydrophobic block component at least: add 10.5 gram 4 to filling in 250 milliliters of there-necked flasks of the hydrophobic polymer M part having prepared, 4 '-(hexafluoro isopropylidene) diphenol, 21.3 grams of sulfonated monomerss (2), 7.4 grams of salt of wormwood, 70 milliliters of methyl-sulphoxides, after 70 milliliters of toluene, install thermometer, water trap, pass into drying nitrogen, after being warmed up to 135 degree, reaction stops 3 hours, then be warmed up to 180 degree 3 hours, reaction completes, system cools to room temperature, pour 400 ml methanol/water (1: 1) precipitation into and obtain white polymer, then after washing with water several times, be dried and obtain 34.2 grams of multipolymer polyelectrolyte.Gained multipolymer polyelectrolyte number-average molecular weight be 41000, weight-average molecular weight is 55000.
Embodiment 3
Hydrophobic polymer M part: add 13.5 gram 4 in the there-necked flask of one 250 milliliters, 4 '-(hexafluoro isopropylidene) diphenol, 7.63 grams of difluorobenzene sulfones, 7.5 grams of salt of wormwood, 80 milliliters of methyl-sulphoxides, after 50 milliliters of toluene, install thermometer, water trap, pass into drying nitrogen, after reaction is warmed up to 135 degree, stop 3 hours, be then warmed up to 180 degree 3 hours, then system cools to room temperature reaction and completes, and obtains hydrophobic polymer M part.
The sulfonated monomers (3) at least adopting containing the multipolymer polyelectrolyte of a hydrophobic block component
Synthetic containing the multipolymer polyelectrolyte of a hydrophobic block component at least: add 9.5 gram 9 to filling in 250 milliliters of there-necked flasks of the hydrophobic polymer M part having prepared, 9-bis-(4-hydroxyphenyl) fluorenes, 33.5 grams of sulfonated monomerss (3), 7.9 grams of salt of wormwood, 80 milliliters of methyl-sulphoxides, after 80 milliliters of toluene, install thermometer, water trap, pass into drying nitrogen, after being warmed up to 135 degree, reaction stops 3 hours, then be warmed up to 180 degree 3 hours, reaction completes, system cools to room temperature, pour 400 ml methanol/water (1: 1) precipitation into and obtain white polymer, then after washing with water several times, be dried and obtain 34.2 grams of multipolymer polyelectrolyte.The number-average molecular weight of gained multipolymer polyelectrolyte is 48000, and weight-average molecular weight is 63000.
Embodiment 4
Hydrophobic polymer M part: add 5.6 grams to bigeminy phenol in the there-necked flask of one 250 milliliters, 10.3 grams of difluorobenzene sulfones, 5.66 gram salt of wormwood, 120 milliliters of methyl-sulphoxides, after 60 milliliters of toluene, install thermometer, water trap, pass into drying nitrogen, after being warmed up to 135 degree, reaction stops 3 hours, then be warmed up to 180 degree 3 hours, then system cools to room temperature reaction and completes, and obtains hydrophobic polymer M part.
The sulfonated monomers (4) at least adopting containing the multipolymer polyelectrolyte of a hydrophobic block component
Synthetic containing the multipolymer polyelectrolyte of a hydrophobic block component at least: add 11.4 gram 4 to filling in 250 milliliters of there-necked flasks of the hydrophobic polymer M part having prepared, 4 '-(hexafluoro isopropylidene) diphenol, 26.8 grams of sulfonated monomerss (4), 7.8 grams of salt of wormwood, 70 milliliters of methyl-sulphoxides, after 60 milliliters of toluene, install thermometer, water trap, pass into drying nitrogen, after being warmed up to 135 degree, reaction stops 3 hours, then be warmed up to 180 degree 3 hours, reaction completes, system cools to room temperature, pour 400 ml methanol/water (1: 1) precipitation into and obtain white polymer, then after washing with water several times, be dried and obtain 33.1 grams of multipolymer polyelectrolyte.The number-average molecular weight of gained multipolymer polyelectrolyte is 56000, and weight-average molecular weight is 68000.
Embodiment 5
Hydrophobic polymer M part: add 10.1 gram 4 in the there-necked flask of one 250 milliliters, 4 '-(hexafluoro isopropylidene) diphenol, 8.7 gram 2,5--2 chloro benzophenone, 7.6 grams of salt of wormwood, 100 milliliters of DMAc, after 60 milliliters of toluene, install thermometer, water trap, pass into drying nitrogen, after reaction is warmed up to 135 degree, stop 3 hours, then be warmed up to 150 degree 4 hours, then system cools to and after room temperature reaction completes, obtains hydrophobic polymer M part.
The sulfonated monomers (5) at least adopting containing the multipolymer polyelectrolyte of a hydrophobic block component
Synthetic containing the multipolymer polyelectrolyte of a hydrophobic block component at least: add 17.7 grams of hydrophobic polymer M parts to filling in 250 milliliters of there-necked flasks of the hydrophobic polymer M part having prepared, 14.4 grams of sulfonated monomerss (5), 6.9 gram 2, 5--2 chloro benzophenone, 1.96 gram Dehydrated nickel chloride, 2.6 grams of triphenyl phosphorus oxygen, 11.4 gram zinc powder, 2.1 grams of Sodium Bromides, 60 milliliters of anhydrous DMAc, install thermometer, pass into drying nitrogen, after being warmed up to 85 degree, reaction stops 3 hours, reaction completes, system cools to room temperature, pour 400 ml methanol/water (1: 1) precipitation into and obtain white polymer, then after washing with water several times, be dried and obtain 31.7 grams of multipolymer polyelectrolyte.The number-average molecular weight of gained multipolymer polyelectrolyte is 46000, and weight-average molecular weight is 65000.
Polyelectrolyte Application Example:
According to the multipolymer polyelectrolyte of embodiment 1 synthesized, can be used as the proton conductive barrier film of fuel cell: the multipolymer polyelectrolyte of embodiment 1 synthesized is dissolved in after DMAc (10%), coating preparation flat sheet membrane, through 2M vitriolization after 2 hours, with distilled water immersion 4 hours, through measuring the electric conductivity of the barrier film of resulting 50 micron thickness, be 0.028S/cm.
Multipolymer polyelectrolyte according to embodiment 1 synthesized can be used for preparing Nano filtering composite membrane in addition: the multipolymer polyelectrolyte of embodiment 1 synthesized is dissolved in after IPA (0.5%), be applied on the porous support layer of PS, dry, washing obtains nanofiltration membrane.Adopt this nanofiltration membrane of cross-flow mode to have 93%NaCl rejection to the feeding liquid that in pending water, NaCl content is 2500mg/L.
The preferred embodiment that the foregoing is only invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (6)
1. at least containing the multipolymer polyelectrolyte of a hydrophobic block component, it is characterized in that, composition structure is:
-{ [(Ar1-X-Ar1-Y-Ar2-Y-)
n-Ar1-X-Ar1-E-]
a-(Ar3)
b-E-(Ar2)
c-Y-(Ar1-X-Ar1)
d-
k-... .... or
-{ [Ar2-(Ar1-X-Ar1-Y-Ar2-Y-)
n-]
a-(Ar3)
b-Y-(Ar2)
c-Y-(Ar1-X-Ar1)
d-
k-... ...., wherein--[(Ar1-X-Ar1-Y-Ar2-Y-)
n-Ar1-X-Ar1-E-]
a--be hydrophobic polymer M part, Ar1 is phenyl, Nai Ji, triphenyl, benzene cyano group or-Ar4--R1-Ar5--, wherein R1 is-C (O)--,--S (O)
2--,--P (O) (C
6h
5)--,--C (O)-Ar-C (O)--or--C (O)-Ar6-S (O)
2--, Ar4, Ar5, Ar6 is aromatic group or substituted aroma group;
Ar2 is-O-Ar7-R2-Ar8-O--;
R2 is single covalent linkage, naphthenic hydrocarbon C
2h
2n-2;
Ar7, Ar8 is aromatic group or substituted aroma group;
Wherein X is-C (O)--,--S (O)
2--,--P (O) (C
6h
5)--,
--C (O)-Ar-C (O)--or--C (O)-Ar6-S (O)
2--, Ar4, Ar5, Ar6 is aromatic group or substituted aroma group;
Y is-S-,-O-;
The single covalent linkage of E, polyelectrolyte is polyhenylene structure, or is-S--O-;
N is 0 to 20 integer;
K is 20 to 200 integer;
A, b, c, d, for mole number or be per-cent, wherein a+b+d=c;
Ar3 is the aromatic portion with hydrophilic and ionic groups, and its structure is:
Z is hydrogen atom or strong electron-withdrawing group group, is CN, NO
2or CF
3;
A is-C (O)--,--S (O)
2--;
B is--O--,--S--,--CH
2--or--OCH
2cH
2o--;
Ar is aromatic group or substituted aroma group;
Ra, Rb is-SO
3h,--COOH,--PO
3h or--SO
2nHSO
2r, Ra, Rb is identical or different,--SO
2nHSO
2in R, R is CF
2n+1;
X, y, g, is 1 to 100 integer.
2. according to claim 1 at least containing the multipolymer polyelectrolyte of a hydrophobic block component, it is characterized in that: described hydrophobic polymer M is partly aromatics, for polyaryletherketone, polyether sulphone, polyarylether or polyhenylene, the number-average molecular weight of this class segment is between 500-8000, and the polymerization degree is between 1-20; In the copolymerization participating in after described hydrophobic polymer M partly completes preparation, comprise a class with the component of hydrophilic ionic group, it can be sulfonation group-SO with ionic group
3h, hydroxy-acid group-COOH, phosphate group-PO
3h or sulfimide group-SO
2nHSO
2r, wherein R is CnF2n+1.
3. according to claim 1 at least containing the multipolymer polyelectrolyte of a hydrophobic block component, it is characterized in that: described ionogen is as high-performance separation membrane material.
4. according to claim 1 at least containing the multipolymer polyelectrolyte of a hydrophobic block component, it is characterized in that: the proton conductive barrier film that described ionogen is used as fuel cell.
5. according to claim 1 at least containing the multipolymer polyelectrolyte of a hydrophobic block component, it is characterized in that: described ionogen is as the conductive component in coating ink used.
6. the method that at least contains the multipolymer polyelectrolyte of a hydrophobic block component synthetic claimed in claim 1, is characterized in that, comprises the following steps:
Step 1) the hydrophobic polymer M part of molecular weight is set in first preparation;
Step 2) using step 1) the hydrophobic polymer M for preparing part carries out copolymerization again as a kind of multi-functional component and other polyfunctional group component, wherein participates at least comprising in other other components of copolymerization the hydrophilic ionic functional group's of a class band composition.
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