CN114085402A - Base-crosslinked sulfonated polyether-ether-ketone ion exchange membrane and preparation method thereof - Google Patents
Base-crosslinked sulfonated polyether-ether-ketone ion exchange membrane and preparation method thereof Download PDFInfo
- Publication number
- CN114085402A CN114085402A CN202111198148.7A CN202111198148A CN114085402A CN 114085402 A CN114085402 A CN 114085402A CN 202111198148 A CN202111198148 A CN 202111198148A CN 114085402 A CN114085402 A CN 114085402A
- Authority
- CN
- China
- Prior art keywords
- base
- sulfonated polyether
- ether ketone
- polyether ether
- ion exchange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/20—Manufacture of shaped structures of ion-exchange resins
- C08J5/22—Films, membranes or diaphragms
- C08J5/2206—Films, membranes or diaphragms based on organic and/or inorganic macromolecular compounds
- C08J5/2218—Synthetic macromolecular compounds
- C08J5/2256—Synthetic macromolecular compounds based on macromolecular compounds obtained by reactions other than those involving carbon-to-carbon bonds, e.g. obtained by polycondensation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2361/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
- C08J2361/04—Condensation polymers of aldehydes or ketones with phenols only
- C08J2361/16—Condensation polymers of aldehydes or ketones with phenols only of ketones with phenols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2461/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
- C08J2461/04—Condensation polymers of aldehydes or ketones with phenols only
- C08J2461/16—Condensation polymers of aldehydes or ketones with phenols only of ketones with phenols
Abstract
The invention discloses a preparation method of a base-crosslinked sulfonated polyether ether ketone ion exchange membrane, which comprises the following steps: (1) sulfonating polyether-ether-ketone by concentrated sulfuric acid to obtain sulfonated polyether-ether-ketone; (2) dissolving sulfonated polyether ether ketone in an organic solvent, adding N, N' -carbonyl diimidazole for activation, and then respectively adding a pyrimidine and a purine base monomer for reaction to obtain sulfonated polyether ether ketone polymers with two different base functions; (3) mixing two sulfonated polyether ether ketone polymers with different basic groups, dissolving the mixture by using an organic solvent to obtain a membrane casting solution, filtering the membrane casting solution, coating the membrane casting solution on a clean glass plate, and drying the membrane casting solution to obtain a final product. The invention also discloses a base-crosslinked sulfonated polyether ether ketone ion exchange membrane. According to the invention, different base groups are introduced into the sulfonated polyether-ether-ketone, and a base cross-linked network is formed, so that the mechanical property and the thermal stability of the film are improved, and the proton flux of the film is not influenced or even improved.
Description
Technical Field
The invention belongs to the technical field of ion exchange membrane preparation, and particularly relates to a base-crosslinked sulfonated polyether ether ketone ion exchange membrane and a preparation method thereof.
Background
In recent years, people pay more and more attention to the protection of ecological environment, and the pickling waste liquid in the steel industry contains pollutants such as hydrochloric acid, sulfuric acid and metal waste residues, and can cause irrecoverable pollution of water, soil and the like when being directly discharged into the natural environment, so that the development of a green, efficient and sustainable-circulation waste acid recovery treatment technology is imperative. The membrane separation technology has the advantages of simple operation, low energy consumption, environmental friendliness and the like, and is widely applied to the fields of salt water desalination, drinking water purification, industrial wastewater treatment, environmental engineering, petrochemical industry and the like. The ion exchange membrane is used as a key part of the membrane separation technology, and the preparation of the ion exchange membrane material which has good mechanical property and thermal stability and is separated efficiently becomes a research hotspot of researchers.
The ion exchange membrane is combined with an electrodialysis technology to effectively separate protons from metal ions, and has huge developable potential in the application fields of waste acid recovery, water treatment and the like, so that researchers successfully research and prepare a series of cation exchange membranes which aim at improving the separation of metal cations and protons. The sulfonated polyether ether ketone (SPEEK) membrane is concerned with a lot of attention because the preparation process is simple, the structural performance is stable, and the cost is low, and the SPEEK has high water absorption rate, can effectively promote the dissociation of-SO 3H groups and push protons to move, and therefore, the sulfonated polyether ether ketone (SPEEK) membrane has excellent proton conductivity. However, the basic performance of the membrane is influenced by the sulfonation Degree (DS), the sulfonation degree is high, the proton flux is large, but high water absorption is caused, the mechanical performance is reduced, and the prepared membrane is easy to disperse; if the sulfonation degree is too low, the water absorption rate decreases, and the proton transport ability decreases.
Disclosure of Invention
Aiming at the defects or the improvement requirements of the prior art, the invention aims to prepare the base-crosslinked sulfonated polyether ether ketone ion exchange membrane, which improves the mechanical property of the membrane and does not influence the proton flux of the membrane.
In order to achieve the aim, the invention provides a preparation method of a base-crosslinked sulfonated polyether ether ketone ion exchange membrane, which comprises the following steps:
(1) sulfonating polyether-ether-ketone by concentrated sulfuric acid, precipitating in ice water, washing to neutrality, and drying in an oven to obtain sulfonated polyether-ether-ketone;
(2) dissolving sulfonated polyether ether ketone in an organic solvent, adding N, N' -carbonyl diimidazole after complete dissolution, heating and stirring to fully activate the sulfonated polyether ether ketone, dividing a product of an activation reaction into two parts, adding a pyrimidine base monomer into one part, adding a purine base monomer into the other part, continuously heating and stirring, respectively precipitating the obtained products in ice water after the reaction, fully washing the products with deionized water, removing residual solvent, and drying the products in an oven to obtain sulfonated polyether ether ketone polymers with two different base effects;
(3) mixing two sulfonated polyether ether ketone polymers with different basic groups, dissolving the sulfonated polyether ether ketone polymers by using an organic solvent, reacting under a heating condition to obtain a membrane casting solution, filtering the membrane casting solution, coating the membrane casting solution on a clean glass plate, putting the glass plate into an oven for drying, and removing the solvent to obtain the basic group crosslinked sulfonated polyether ether ketone ion exchange membrane.
Further, the sulfonation temperature in the step (1) is 40-60 ℃, and the sulfonation reaction time is 4-6 h.
Further, the drying temperature in the step (1) is 60 ℃.
Further, in the step (2), the pyrimidine base monomer is one of cytosine, thymine and uracil, and the purine base monomer is one of adenine and guanine.
Further, in the step (2), the amount of the basic monomer is 0.5 to 2.0 times of the amount of the sulfonated polyether ether ketone substance, and the amount of the N, N' -carbonyldiimidazole substance is 0.8 to 1.5 times of the amount of the basic monomer substance.
Further, the heating and stirring temperature in the step (2) is 50-80 ℃, and the time for the activation reaction and the reaction of the activation product and the base monomer are both 2-4 h.
Further, the mixture of the sulfonated polyether ether ketone polymer with base interaction in the step (3) is dissolved by an organic solvent, and the solid content is 6-12%.
Further, the heating temperature of the casting solution obtained by the reaction under the heating condition in the step (3) is 50-80 ℃, and the reaction time is 2-4 h.
Further, the organic solvent is a sulfoxide or amide solvent.
The invention also provides a base-crosslinked sulfonated polyether ether ketone ion exchange membrane prepared by the preparation method.
Compared with the prior art, the invention can obtain the following beneficial effects: (1) the sulfonated polyether ether ketone is adopted as a matrix, and the sulfonated polyether ether ketone has excellent heat resistance, solvent resistance and hydrolysis resistance, good mechanical properties and proton transmission capacity equivalent to that of a Nafion membrane. (2) The base group introduced by the invention is combined with proton and positively charged, and the ion exchange membrane is ensured to have excellent selectivity in application due to Donnan exclusion effect and pore size sieving effect. (3) The base group introduced by the invention can provide a transmission site required by the hydrogen ions to permeate the membrane, and the hydrogen ions can freely migrate in the membrane, so that the flux of the hydrogen ions is kept unchanged or improved, and the high-efficiency selectivity of the membrane to the hydrogen ions is improved. (4) A hydrogen bond cross-linking network is formed among the base pairs, so that the swelling degree of the film is obviously reduced, the mechanical property and the thermal stability of the film are improved, and the proton flux of the film is not influenced or even improved.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
A preparation method of a base-crosslinked sulfonated polyether ether ketone ion exchange membrane comprises the following steps:
(1) sulfonating polyether-ether-ketone by concentrated sulfuric acid at 40-60 ℃ for 4-6h, precipitating and washing in ice deionized water, measuring the washing liquid by using pH test paper in the washing process until the washing liquid is washed clean and neutral, putting the washing liquid into an oven to be dried at 60 ℃, and turning over the washing liquid frequently in the drying process to prevent bonding to obtain the sulfonated polyether-ether-ketone.
(2) Dissolving sulfonated polyether ether ketone in sulfoxide or amide solvent, adding N, N '-carbonyl diimidazole after complete dissolution, heating and stirring at 50-80 ℃ for 2-4h to fully activate the sulfonated polyether ether ketone, dividing the product of the activation reaction into two parts, adding one pyrimidine base monomer of cytosine, thymine and uracil in one part, and adding one purine base monomer of adenine and guanine in the other part, wherein the amount of the added base monomer is 0.5-2.0 times of that of the sulfonated polyether ether ketone substance, and the amount of the N, N' -carbonyl diimidazole substance is 0.8-1.5 times of that of the base monomer substance. Heating and stirring two parts of activated reaction products added with base monomers at 50-80 ℃ for 2-4h, respectively precipitating the obtained products in ice water, fully washing with deionized water, removing residual solvent, and drying in an oven to obtain sulfonated polyether ether ketone polymers with two different base functions.
(3) Mixing two sulfonated polyether ether ketone polymers with different basic groups, dissolving the sulfonated polyether ether ketone polymers with sulfoxide or amide solvents to ensure that the solid content is 6-12%, reacting the mixture for 2-4h under the heating condition of 50-80 ℃ to obtain a membrane casting solution, filtering the membrane casting solution, coating the membrane casting solution on a clean glass plate, putting the glass plate into an oven to dry the membrane at 60 ℃, and removing the solvents to obtain the basic group crosslinked sulfonated polyether ether ketone ion exchange membrane.
A base-crosslinked sulfonated polyether ether ketone ion exchange membrane prepared by the preparation method.
Example 1
A preparation method of a base-crosslinked sulfonated polyether ether ketone ion exchange membrane comprises the following steps:
(1) sulfonating polyether-ether-ketone by concentrated sulfuric acid at 40-60 ℃ for 4-6h, precipitating and washing in ice deionized water, measuring the washing liquid by using pH test paper in the washing process until the washing liquid is washed clean and neutral, putting the washing liquid into an oven to be dried at 60 ℃, and turning over the washing liquid frequently in the drying process to prevent bonding to obtain the sulfonated polyether-ether-ketone.
(2) Dissolving sulfonated polyether ether ketone in sulfoxide or amide solvent, adding N, N '-carbonyl diimidazole after complete dissolution, heating and stirring at 50-80 ℃ for 2-4h to fully activate the sulfonated polyether ether ketone, dividing the product of the activation reaction into two parts, adding adenine into one part and thymine into the other part, wherein the amount of the added adenine and thymine is 0.5-2.0 times of the amount of the sulfonated polyether ether ketone substance, and the amount of the N, N' -carbonyl diimidazole substance is 0.8-1.5 times of the amount of the adenine and thymine substances. Heating and stirring the activation reaction product added with adenine or thymine at 50-80 ℃ for 2-4h, respectively precipitating the obtained products in ice water, fully washing with deionized water, removing residual solvent, and drying in an oven to obtain the sulfonated polyether ether ketone polymer with the action of adenine and the sulfonated polyether ether ketone polymer with the action of thymine.
(3) Mixing the sulfonated polyether ether ketone polymer with the action of adenine and the sulfonated polyether ether ketone polymer with the action of thymine, dissolving the mixture by using a sulfoxide or amide solvent to ensure that the solid content is 6-12%, reacting the mixture for 2-4h under the heating condition of 50-80 ℃ to obtain a membrane casting solution, filtering the membrane casting solution, coating the membrane casting solution on a clean glass plate, putting the glass plate into an oven to dry the membrane casting solution at 60 ℃, and removing the solvent to obtain the adenine-thymine base pair crosslinked sulfonated polyether ether ketone ion exchange membrane.
Example 2
A preparation method of a base-crosslinked sulfonated polyether ether ketone ion exchange membrane comprises the following steps:
(1) sulfonating polyether-ether-ketone by concentrated sulfuric acid at 40-60 ℃ for 4-6h, precipitating and washing in ice deionized water, measuring the washing liquid by using pH test paper in the washing process until the washing liquid is washed clean and neutral, putting the washing liquid into an oven to be dried at 60 ℃, and turning over the washing liquid frequently in the drying process to prevent bonding to obtain the sulfonated polyether-ether-ketone.
(2) Dissolving sulfonated polyether ether ketone in sulfoxide or amide solvent, adding N, N '-carbonyl diimidazole after complete dissolution, heating and stirring at 50-80 ℃ for 2-4h to fully activate the sulfonated polyether ether ketone, dividing the product of the activation reaction into two parts, adding cytosine in one part and guanine in the other part, wherein the amount of the added cytosine and guanine is 0.5-2.0 times of the amount of the sulfonated polyether ether ketone substance, and the amount of the N, N' -carbonyl diimidazole substance is 0.8-1.5 times of the amount of the cytosine and guanine substances. Heating and stirring the activation reaction product added with cytosine or guanine at 50-80 ℃ for 2-4h, respectively precipitating the obtained products in ice water, fully washing with deionized water, removing residual solvent, and drying in an oven to obtain the sulfonated polyether ether ketone polymer with cytosine function and the sulfonated polyether ether ketone polymer with guanine function.
(3) Mixing sulfonated polyether ether ketone polymer with cytosine function and sulfonated polyether ether ketone polymer with guanine function, dissolving with sulfoxide or amide solvent to make solid content be 6% -12%, reacting for 2-4h under the heating condition of 50-80 ℃ to obtain casting solution, then filtering the casting solution, coating on a clean glass plate, putting into an oven to dry at 60 ℃, removing the solvent to obtain the sulfonated polyether ether ketone ion exchange membrane with cytosine-guanine base pair crosslinking.
Example 3
A preparation method of a base-crosslinked sulfonated polyether ether ketone ion exchange membrane comprises the following steps:
(1) sulfonating polyether-ether-ketone by concentrated sulfuric acid at 40-60 ℃ for 4-6h, precipitating and washing in ice deionized water, measuring the washing liquid by using pH test paper in the washing process until the washing liquid is washed clean and neutral, putting the washing liquid into an oven to be dried at 60 ℃, and turning over the washing liquid frequently in the drying process to prevent bonding to obtain the sulfonated polyether-ether-ketone.
(2) Dissolving sulfonated polyether ether ketone in sulfoxide or amide solvent, adding N, N '-carbonyl diimidazole after complete dissolution, heating and stirring at 50-80 ℃ for 2-4h to fully activate the sulfonated polyether ether ketone, dividing the product of the activation reaction into two parts, adding uracil into one part, and adding guanine into the other part, wherein the amount of the added uracil and guanine is 0.5-2.0 times of the amount of the sulfonated polyether ether ketone substance, and the amount of the N, N' -carbonyl diimidazole substance is 0.8-1.5 times of the amount of the uracil and guanine. Heating and stirring the activation reaction product added with uracil or guanine at 50-80 ℃ for 2-4h, respectively precipitating the obtained products in ice water, fully washing with deionized water, removing residual solvent, and drying in an oven to obtain the sulfonated polyether ether ketone polymer with the action of uracil and the sulfonated polyether ether ketone polymer with the action of guanine.
(3) Mixing a sulfonated polyether ether ketone polymer with uracil function and a sulfonated polyether ether ketone polymer with guanine function, dissolving the mixture by using a sulfoxide or amide solvent to ensure that the solid content is 6-12%, reacting the mixture for 2-4h under the heating condition of 50-80 ℃ to obtain a membrane casting solution, filtering the membrane casting solution, coating the membrane casting solution on a clean glass plate, putting the glass plate into an oven to dry the membrane casting solution at 60 ℃, and removing the solvent to obtain the uracil-guanine base pair crosslinked sulfonated polyether ether ketone ion exchange membrane.
Example 4
A preparation method of a base-crosslinked sulfonated polyether ether ketone ion exchange membrane comprises the following steps:
(1) sulfonating polyether-ether-ketone by concentrated sulfuric acid at 40-60 ℃ for 4-6h, precipitating and washing in ice deionized water, measuring the washing liquid by using pH test paper in the washing process until the washing liquid is washed clean and neutral, putting the washing liquid into an oven to be dried at 60 ℃, and turning over the washing liquid frequently in the drying process to prevent bonding to obtain the sulfonated polyether-ether-ketone.
(2) Dissolving sulfonated polyether ether ketone in sulfoxide or amide solvent, adding N, N '-carbonyl diimidazole after complete dissolution, heating and stirring at 50-80 ℃ for 2-4h to fully activate the sulfonated polyether ether ketone, dividing the product of the activation reaction into two parts, adding adenine into one part and adding uracil into the other part, wherein the amount of the added adenine and uracil is 0.5-2.0 times of the amount of the sulfonated polyether ether ketone substance, and the amount of the N, N' -carbonyl diimidazole substance is 0.8-1.5 times of the amount of the adenine and uracil substances. Heating and stirring the activation reaction product added with adenine or uracil at 50-80 ℃ for 2-4h, respectively precipitating the obtained products in ice water, fully washing with deionized water, removing residual solvent, and drying in an oven to obtain sulfonated polyether ether ketone polymer with adenine function and sulfonated polyether ether ketone polymer with uracil function.
(3) Mixing the sulfonated polyether ether ketone polymer with adenine function and the sulfonated polyether ether ketone polymer with uracil function, dissolving the mixture by using a sulfoxide or amide solvent to ensure that the solid content is 6-12%, reacting the mixture for 2-4h under the heating condition of 50-80 ℃ to obtain a membrane casting solution, filtering the membrane casting solution, coating the membrane casting solution on a clean glass plate, putting the glass plate into an oven to dry the membrane casting solution at 60 ℃, and removing the solvent to obtain the adenine-uracil base pair crosslinked sulfonated polyether ether ketone ion exchange membrane.
The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A preparation method of a base-crosslinked sulfonated polyether ether ketone ion exchange membrane comprises the following steps:
(1) sulfonating polyether-ether-ketone by concentrated sulfuric acid, precipitating in ice water, washing to neutrality, and drying in an oven to obtain sulfonated polyether-ether-ketone;
(2) dissolving sulfonated polyether ether ketone in an organic solvent, adding N, N' -carbonyl diimidazole after complete dissolution, heating and stirring to fully activate the sulfonated polyether ether ketone, dividing a product of an activation reaction into two parts, adding a pyrimidine base monomer into one part, adding a purine base monomer into the other part, continuously heating and stirring, respectively precipitating the obtained products in ice water after the reaction, fully washing the products with deionized water, removing residual solvent, and drying the products in an oven to obtain sulfonated polyether ether ketone polymers with two different base effects;
(3) mixing two sulfonated polyether ether ketone polymers with different basic groups, dissolving the sulfonated polyether ether ketone polymers by using an organic solvent, reacting under a heating condition to obtain a membrane casting solution, filtering the membrane casting solution, coating the membrane casting solution on a clean glass plate, putting the glass plate into an oven for drying, and removing the solvent to obtain the basic group crosslinked sulfonated polyether ether ketone ion exchange membrane.
2. The method for preparing the ion exchange membrane of base-crosslinked sulfonated polyetheretherketone according to claim 1, wherein: the sulfonation temperature in the step (1) is 40-60, and the sulfonation reaction time at the temperature is 4-6 h.
3. The method for preparing the ion exchange membrane of sulfonated polyether ether ketone according to claim 1, wherein the method comprises the following steps: the drying temperature in the step (1) is 60 ℃.
4. The method for preparing the ion exchange membrane of base-crosslinked sulfonated polyetheretherketone according to claim 1, wherein: the pyrimidine base monomer in the step (2) is one of cytosine, thymine and uracil, and the purine base monomer is one of adenine and guanine.
5. The method for preparing the ion exchange membrane of base-crosslinked sulfonated polyetheretherketone according to claim 1, wherein: the amount of the basic monomer substance in the step (2) is 0.5 to 2.0 times of the amount of the sulfonated polyether ether ketone substance, and the amount of the N, N' -carbonyl diimidazole substance is 0.8 to 1.5 times of the amount of the basic monomer substance.
6. The method for preparing the ion exchange membrane of base-crosslinked sulfonated polyetheretherketone according to claim 1, wherein: the heating and stirring temperature in the step (2) is 50-80 ℃, and the time for the activation reaction and the reaction of the activation product and the base monomer is 2-4 h.
7. The method for preparing the ion exchange membrane of base-crosslinked sulfonated polyetheretherketone according to claim 1, wherein: the solid content of the mixture of the sulfonated polyether ether ketone polymer with the base function dissolved by the organic solvent in the step (3) is 6 to 12 percent.
8. The method for preparing the ion exchange membrane of base-crosslinked sulfonated polyetheretherketone according to claim 1, wherein: the heating temperature of the casting solution obtained by the reaction in the heating condition in the step (3) is 50-80, and the reaction time at the temperature is 2-4 h.
9. The method for preparing the ion exchange membrane of base-crosslinked sulfonated polyetheretherketone according to claim 1, wherein: the organic solvent is a sulfoxide or amide solvent.
10. A base-crosslinked sulfonated polyetheretherketone ion exchange membrane prepared according to the method of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111198148.7A CN114085402A (en) | 2021-10-14 | 2021-10-14 | Base-crosslinked sulfonated polyether-ether-ketone ion exchange membrane and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111198148.7A CN114085402A (en) | 2021-10-14 | 2021-10-14 | Base-crosslinked sulfonated polyether-ether-ketone ion exchange membrane and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114085402A true CN114085402A (en) | 2022-02-25 |
Family
ID=80296906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111198148.7A Pending CN114085402A (en) | 2021-10-14 | 2021-10-14 | Base-crosslinked sulfonated polyether-ether-ketone ion exchange membrane and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114085402A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106117473A (en) * | 2016-06-30 | 2016-11-16 | 中国科学院上海高等研究院 | A kind of can be as sulfonated polyether-ether-ketone of cross-linked proton exchange membrane material and its production and use |
| WO2017184229A2 (en) * | 2016-02-03 | 2017-10-26 | Camx Power, Llc | Bipolar ionomer membrane |
| CN110483711A (en) * | 2019-08-12 | 2019-11-22 | 杭州中科氢能科技有限公司 | A kind of novel high-stability sexual intercourse connection sulfonated polyether-ether-ketone and preparation method and purposes |
| CN111193054A (en) * | 2020-01-09 | 2020-05-22 | 安徽师范大学 | Preparation method of proton exchange membrane |
| CN111617311A (en) * | 2020-06-17 | 2020-09-04 | 湖北大学 | Preparation method and application of strong-toughness self-repairing tissue adhesion hydrogel material based on base self-assembly |
-
2021
- 2021-10-14 CN CN202111198148.7A patent/CN114085402A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017184229A2 (en) * | 2016-02-03 | 2017-10-26 | Camx Power, Llc | Bipolar ionomer membrane |
| CN106117473A (en) * | 2016-06-30 | 2016-11-16 | 中国科学院上海高等研究院 | A kind of can be as sulfonated polyether-ether-ketone of cross-linked proton exchange membrane material and its production and use |
| CN110483711A (en) * | 2019-08-12 | 2019-11-22 | 杭州中科氢能科技有限公司 | A kind of novel high-stability sexual intercourse connection sulfonated polyether-ether-ketone and preparation method and purposes |
| CN111193054A (en) * | 2020-01-09 | 2020-05-22 | 安徽师范大学 | Preparation method of proton exchange membrane |
| CN111617311A (en) * | 2020-06-17 | 2020-09-04 | 湖北大学 | Preparation method and application of strong-toughness self-repairing tissue adhesion hydrogel material based on base self-assembly |
Non-Patent Citations (1)
| Title |
|---|
| YUN-SHENG YE ET AL: "A new supramolecular sulfonated polyimide for use in proton exchange membranes for fuel cells" * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101733024B (en) | Positively charged composite nanofiltration membrane and preparation method thereof | |
| CN101306331B (en) | Homogeneous phase anion-exchange membrane and preparation method thereof | |
| CN110917909B (en) | Method for preparing separation membrane by using poly (amino) sulfate polymer and modified polymer thereof as membrane preparation material | |
| CN101766962B (en) | Method for preparing positively charged nanofiltration membranes | |
| CN102181069A (en) | Preparation method of amphoteric ion exchange membrane | |
| Zhou et al. | A novel UV-crosslinked sulphonated polysulfone cation exchange membrane with improved dimensional stability for electrodialysis | |
| CN103724668A (en) | Anthraquinone functional cellulose membrane and preparation method thereof | |
| CN102504310B (en) | Preparation method of sulfonated polyimide/chitosan composite proton conducting film | |
| CN103387690B (en) | Preparation method of cross-linking type composite anion-exchange membrane | |
| Cui et al. | Preparation of pervaporation membranes by interfacial polymerization for acid wastewater purification | |
| CN106345324B (en) | A kind of preparation method of hydridization amberplex | |
| CN106621841B (en) | Preparation method of positively charged nanofiltration membrane | |
| CN111111478A (en) | Preparation method of PVDF-based cation exchange membrane | |
| CN101352657B (en) | Homogeneous phase cation exchange film and preparation method thereof | |
| CN110860211B (en) | Preparation method of homogeneous phase PVC-based anion exchange membrane | |
| Khan et al. | Preparation of diffusion dialysis membrane for acid recovery via a phase-inversion method | |
| CN109110886B (en) | Cation exchange membrane for electrodialysis treatment of ammonia-nitrogen wastewater and preparation method | |
| CN113083032B (en) | Positively charged blended ultrafiltration membrane and preparation method thereof | |
| CN114085402A (en) | Base-crosslinked sulfonated polyether-ether-ketone ion exchange membrane and preparation method thereof | |
| CN108499543A (en) | A kind of preparation method for the cellulose base adsorbent for heavy metal that the degree of polymerization is controllable | |
| CN100354320C (en) | Prepn of sulfonated polystyrene with waste polystyrene foam | |
| CN112090296A (en) | Based on F-TiO2/Fe-g-C3N4Self-cleaning flat plate type PVDF ultrafiltration membrane and preparation method thereof | |
| CN110605033B (en) | Preparation method of temperature-resistant hollow fiber ultrafiltration membrane, temperature-resistant hollow fiber ultrafiltration membrane and components thereof | |
| CN101143934A (en) | Preparation method and application for polyvinyl alcohol-polyacrylic acid mixed/cellulose acetate composite film | |
| CN111378193B (en) | Hydrogen ion selective cation exchange membrane and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |