CN107189291A - A kind of preparation method of the heat-resistant polymer dielectric film based on polyvinyl chloride - Google Patents

A kind of preparation method of the heat-resistant polymer dielectric film based on polyvinyl chloride Download PDF

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CN107189291A
CN107189291A CN201710298873.9A CN201710298873A CN107189291A CN 107189291 A CN107189291 A CN 107189291A CN 201710298873 A CN201710298873 A CN 201710298873A CN 107189291 A CN107189291 A CN 107189291A
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polyvinyl chloride
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杨景帅
王逸涵
杨国浩
展思帆
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Northeastern University China
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Abstract

The invention belongs to new material and technical field of membrane, there is provided a kind of preparation method of the heat-resistant polymer dielectric film based on polyvinyl chloride.The preparation method is comprised the steps of:(1) PVC is dissolved in polar organic solvent, heating and stirred to being completely dissolved;(2) APIm and enhanced polymer are dissolved in above-mentioned mixed liquor, heating stirring obtains transparent and homogeneous solution;(3) composite film material is obtained using solution casting method;(4) above-mentioned composite membrane is fully immersed in phosphate aqueous solution and carries out acid doping, obtain high temperature resistant type polymer dielectric film.Regulate and control contents of the APIm in film in the present invention, realize the control of the different quaternization degrees of PVC, and the addition of enhanced polymer, enhance the stability and mechanical performance of film, the composite membrane of preparation has good conductive capability under the conditions of not humidified at 100~180 DEG C.

Description

A kind of preparation method of the heat-resistant polymer dielectric film based on polyvinyl chloride
Technical field
The invention belongs to new material and technical field of membrane, it is related to a kind of heat-resistant polymer electrolyte based on polyvinyl chloride The preparation method of film.
Background technology
Proton Exchange Membrane Fuel Cells (PEMFCs) is a kind of the chemical energy in fuel and oxidant directly to be changed into electricity The energy conversion apparatus of energy, it conducts electric current between the electrode of battery two is realized by electrolyte of polymer film.It is now widely used for PEMFC polymer dielectric film perfluor type sulfonate film (such as Nafion series membranes of E.I.Du Pont Company's production).This kind of membrane material by Heavy dependence water when sulfonic acid group in film transmits proton so that using this kind of membrane material as the PEMFC of electrolyte work temperature Degree is usually 80 DEG C or so.The PEMFC worked in this case will be faced with catalyst CO poisonings, hydro-thermal difficult management, electrode The problems such as kinetic reaction is slow.While the complex manufacturing of perfluorinated sulfonic acid class membrane material, its cost is very high, this will restriction PEMFC large-scale application and development.
Phosphoric acid is a kind of inorganic proton acid with higher boiling, low volatility, because itself uniqueness is from dissociation capability, Still there is higher proton conductivity by the hydrogen bond network structure of phosphoric acid molecules formation under non-aqueous conditions.By it and contain It is the common method for preparing heat-resistant polymer dielectric film to have the polymer of basic group compound.Such as at present by numerous studies Phosphate-doped polybenzimidazoles (PBI) system membrane material.
However, extensive phosphate-doped PBI films of research at present, exist PBI polymer dissolve in organic solvent it is difficult, Raw material has the problems such as carcinogenicity, production process are complicated, cost is high.Therefore develop and design cost is cheap, production process is easy, property Energy high temperature resistant type polymer membrane electrolyte material that is excellent, being applied under the conditions of 100 DEG C of high temperature above will be promoted greatly PEMFC application and development.
The content of the invention
For the technical problem present on, it is an object of the invention to provide a kind of new cheap, high-performance High temperature resistant type polymer dielectric film preparation method, the present invention be based on polyvinyl chloride (PVC) polymer in chloro and 1- The nucleophilic substitution between amino in (3- aminopropyls) imidazoles (APIm) compound, imidazoyl side chain group is incorporated into In PVC skeletons, while to have the bisphenol-a polysulfone (PSU) of favorable compatibility, poly- (vinylidene fluoride-co- hexafluoros third with PVC Alkene) (PVDF-6F), the polymer such as polypyrrole alkanone (PVP) be enhancing component, prepare and mixed with good stability and phosphoric acid The membrane material of miscellaneous ability, then by phosphate-doped, finally obtain under the conditions of high temperature (100~180 DEG C) is not humidified still with good The heat-resistant polymer membrane materials for electrolyte of good conductive capability.Prepared heat-resistant polymer dielectric film is brownish red, One fine and close membrane material, ability is passed to good phosphate-doped ability and excellent proton.
Technical solution of the present invention is:
A kind of preparation method of the heat-resistant polymer dielectric film based on polyvinyl chloride, comprises the following steps:
(1) under the conditions of 25~70 DEG C, polyvinyl chloride (PVC) is added in polar organic solvent, stirring and dissolving is obtained Bright quality solubility is 1~3% polyvinyl chloride solution;
(2) add quaternizing agent into above-mentioned polyvinyl chloride solution to be mixed, the quaternizing agent is 1- (3- ammonia Base propyl group) imidazoles (APIm), the mol ratio of wherein polyvinyl chloride and 1- (3- aminopropyls) imidazoles is 1:0.3~1;And then to mixed Close and enhancing polymer is added in solution, continue to stir 4~8 hours, transparent homogeneous Casting solution is obtained, wherein strengthening polymer The mass ratio for accounting for enhancing polymer and polyvinyl chloride sum is 0.05~0.15:1;The enhancing polymer is bisphenol-a polysulfone (PSU) one kind in, poly- (vinylidene fluoride-co- hexafluoropropenes) (PVDF-6F) or polypyrrole alkanone (PVP);
(3) composite film material is prepared using solution casting method, wherein film forming procedure is solvent flashing at a temperature of 60-100 DEG C, Film formation time is 12~48 hours;
(4) above-mentioned composite film material is fully immersed in the phosphate aqueous solution that mass fraction is 60%~85% at room temperature Middle carry out acid doping, soak time is 24~72 hours, obtains heat-resistant polymer dielectric film;The phosphoric acid wherein adulterated is with answering The mass ratio for closing membrane material is 0.7~3.7:1.
Further, the polar organic solvent in the step (1) is DMA or N, N- dimethyl methyl Acid amides.
Beneficial effects of the present invention are:
(a) the heat-resistant polymer electrolyte prepared by is based on PVC polymer, and raw material is easy to get, cheap, and technique letter It is single easy, it is adapted to large-scale industrial production;
(b) introducing of alkyl imidazole side chain so that the composite membrane based on PVC has larger free volume, beneficial to phosphoric acid Doping, and then obtain higher electrical conductivity, 0.29S/cm can reach under 180 DEG C of non-aqueous conditions, and show good Good stability;
(c) it is poly- by introducing PSU, PVDF-6F, PVP with excellent compatibility etc. in the PVC composite membranes that APIm is grafted Compound, can further enhance the machinery and dimensional stability of composite membrane, and composite membrane shows good stability;
(d) the grafting degree of pendant alkyl group imidazole group can be realized by simply regulating and controlling APIm and PVC ratio, come The regulation and control of phosphate-doped content are realized, the composite membrane with different phosphate-doped contents and different electrical conductivity is prepared, is easy to exploitation Series of products meet the demand in different application field.
Brief description of the drawings
Fig. 1 is the heat-resistant polymer dielectric film (PVC-APIm (1 that obtains in embodiment 1:1)/PA) do not humidifying bar Under part, electrical conductivity variation with temperature situation.
Embodiment
Below by embodiment, the invention will be further described.
Embodiment 1, prepares PVC-APIm (1:1) method of/PA composite membranes, is comprised the steps of:
(1) 0.15gPVC is weighed, in being dissolved under 25 DEG C of stirring conditions in 15gN, N- dimethylacetamide solutions, is obtained Polymer solubility is 1% clear polymer solution;
(2) using mol ratio as PVC:APIm=1:1 proportionate relationship, APIm is added into above-mentioned PVC solution, continues to stir 4 hours, obtain transparent homogeneous Casting solution;
(3) composite film material is prepared using solution casting method, wherein film forming procedure is the solvent flashing at a temperature of 60 DEG C, Film formation time is 48 hours;
(4) above-mentioned composite membrane is fully immersed in into progress acid in the phosphate aqueous solution that mass fraction is 85% at room temperature to mix Miscellaneous, soak time is 24 hours, obtains high temperature resistant type polymer dielectric film.
Resulting heat-resistant polymer dielectric film has good phosphate-doped ability, and phosphoric acid quality weightening is 370%, while also having good pliability and dimensional stability, phosphate-doped caudacoria material volume swelling ratio is 180%.
Resulting heat-resistant polymer dielectric film has excellent proton conductive, under the conditions of 180 DEG C do not humidify Electrical conductivity is 0.29S/cm.Fig. 1 is the heat-resistant polymer dielectric film (PVC-APIm (1 obtained by the present embodiment:1)/PA) Under the conditions of not humidifying, electrical conductivity variation with temperature situation.The electrical conductivity of composite membrane is above 0.01S/ in test scope Cm, illustrates that the composite membrane prepared by the present embodiment fully meets PEMFC use requirement.
Embodiment 2, prepares PVC-APIm (1:0.5) method of/PA composite membranes, is comprised the steps of:
(1) 0.15gPVC is weighed, in being dissolved under 50 DEG C of stirring conditions in 7.5gN, dinethylformamide solution, is obtained Polymer solubility is 2% clear polymer solution;
(2) using mol ratio as PVC:APIm=1:0.5 proportionate relationship, adds APIm into above-mentioned PVC solution, continues to stir Mix 6 hours, obtain transparent homogeneous Casting solution;
(3) composite film material is prepared using solution casting method, wherein film forming procedure is the solvent flashing at a temperature of 80 DEG C, Film formation time is 24 hours;
(4) above-mentioned composite membrane is fully immersed in into progress acid in the phosphate aqueous solution that mass fraction is 75% at room temperature to mix Miscellaneous, soak time is 48 hours, obtains high temperature resistant type polymer dielectric film.
Resulting heat-resistant polymer dielectric film has good phosphate-doped ability, and phosphoric acid quality weightening is 100%, while also having good pliability and dimensional stability, phosphate-doped caudacoria material volume swelling ratio is 80%.
Resulting heat-resistant polymer dielectric film has excellent proton conductive, under the conditions of 180 DEG C do not humidify Electrical conductivity is 0.04S/cm.
Embodiment 3, prepares PVC-APIm (1:0.3) method of/PA composite membranes, is comprised the steps of:
(1) 0.15gPVC is weighed, in being dissolved under 50 DEG C of stirring conditions in 7gN, dinethylformamide solution, is gathered Compound solubility is 3% clear polymer solution;
(2) using mol ratio as PVC:APIm=1:0.3 proportionate relationship, adds APIm into above-mentioned PVC solution, continues to stir Mix 8 hours, obtain transparent homogeneous Casting solution;
(3) composite film material is prepared using solution casting method, wherein film forming procedure be volatilized at a temperature of 100 DEG C it is molten Agent, film formation time is 12 hours;
(4) above-mentioned composite membrane is fully immersed in into progress acid in the phosphate aqueous solution that mass fraction is 85% at room temperature to mix Miscellaneous, soak time is 24 hours, obtains high temperature resistant type polymer dielectric film.
Resulting heat-resistant polymer dielectric film has good phosphate-doped ability, and phosphoric acid quality weightening is 70%, while also having good pliability and dimensional stability, phosphate-doped caudacoria material volume swelling ratio is 40%.
Resulting heat-resistant polymer dielectric film has excellent proton conductive, under the conditions of 180 DEG C do not humidify Electrical conductivity is 0.02S/cm.
Embodiment 4, prepares PVC-APIm (1:1) method of/15%PSU/PA composite membranes, is comprised the steps of:
(1) 0.15gPVC is weighed, in being dissolved under 70 DEG C of stirring conditions in 15gN, dinethylformamide solution, is obtained Polymer solubility is 1% clear polymer solution;
(2) using mol ratio as PVC:APIm=1:1 proportionate relationship, adds APIm, with mass ratio into above-mentioned PVC solution PSU:(PSU+PVC)=0.15:1 proportionate relationship adds enhancing polymer P SU into above-mentioned mixed solution, continues to stir 8 Hour, obtain transparent homogeneous Casting solution;
(3) composite film material is prepared using solution casting method, wherein film forming procedure be volatilized at a temperature of 100 DEG C it is molten Agent, film formation time is 12 hours;
(4) above-mentioned composite membrane is fully immersed in into progress acid in the phosphate aqueous solution that mass fraction is 60% at room temperature to mix Miscellaneous, soak time is 72 hours, obtains high temperature resistant type polymer dielectric film.
Resulting heat-resistant polymer dielectric film has good phosphate-doped ability, and phosphoric acid quality weightening is 160%, while also having good pliability and dimensional stability, phosphate-doped caudacoria material volume swelling ratio is 110%.
Resulting heat-resistant polymer dielectric film has excellent proton conductive, under the conditions of 180 DEG C do not humidify Electrical conductivity is 0.07S/cm.
Embodiment 5, prepares PVC-APIm (1:0.5) method of/15%PSU/PA composite membranes, is comprised the steps of:
(1) 0.15gPVC is weighed, in being dissolved under 70 DEG C of stirring conditions in 15gN, dinethylformamide solution, is obtained Polymer solubility is 1% clear polymer solution;
(2) using mol ratio as PVC:APIm=1:0.5 proportionate relationship, adds APIm, with quality into above-mentioned PVC solution Compare PSU:(PSU+PVC)=0.15:1 proportionate relationship adds enhancing polymer P SU into above-mentioned mixed solution, continues to stir 6 hours, obtain transparent homogeneous Casting solution;
(3) composite film material is prepared using solution casting method, wherein film forming procedure is the solvent flashing at a temperature of 80 DEG C, Film formation time is 24 hours;
(4) above-mentioned composite membrane is fully immersed in into progress acid in the phosphate aqueous solution that mass fraction is 85% at room temperature to mix Miscellaneous, soak time is 24 hours, obtains high temperature resistant type polymer dielectric film.
Resulting heat-resistant polymer dielectric film has good phosphate-doped ability, and phosphoric acid quality weightening is 140%, while also having good pliability and dimensional stability, phosphate-doped caudacoria material volume swelling ratio is 80%.
Resulting heat-resistant polymer dielectric film has excellent proton conductive, under the conditions of 180 DEG C do not humidify Electrical conductivity is 0.06S/cm.
Embodiment 6, prepares PVC-APIm (1:1) method of/5%PVDF-6F/PA composite membranes, is comprised the steps of:
(1) 0.15gPVC is weighed, in being dissolved under 60 DEG C of stirring conditions in 15gN, dinethylformamide solution, is obtained Polymer solubility is 1% clear polymer solution;
(2) using mol ratio as PVC:APIm=1:1 proportionate relationship, adds APIm, with mass ratio into above-mentioned PVC solution PVDF-6F:(PVDF-6F+PVC)=0.05:1 proportionate relationship adds enhancing polymer P VDF- into above-mentioned mixed solution 6F, continues to stir 8 hours, obtains transparent homogeneous Casting solution;
(3) composite film material is prepared using solution casting method, wherein film forming procedure is the solvent flashing at a temperature of 80 DEG C, Film formation time is 24 hours;
(4) above-mentioned composite membrane is fully immersed in into progress acid in the phosphate aqueous solution that mass fraction is 75% at room temperature to mix Miscellaneous, soak time is 72 hours, obtains high temperature resistant type polymer dielectric film.
Resulting heat-resistant polymer dielectric film has good phosphate-doped ability, and phosphoric acid quality weightening is 260%, while also having good pliability and dimensional stability, phosphate-doped caudacoria material volume swelling ratio is 130%.
Resulting heat-resistant polymer dielectric film has excellent proton conductive, under the conditions of 180 DEG C do not humidify Electrical conductivity is 0.13S/cm.
Embodiment 7, prepares PVC-APIm (1:0.5) method of/5%PVDF-6F/PA composite membranes, is comprised the steps of:
(1) 0.15gPVC is weighed, in being dissolved under 60 DEG C of stirring conditions in 15gN, N- dimethylacetamide solutions, is obtained Polymer solubility is 1% clear polymer solution;
(2) using mol ratio as PVC:APIm=1:0.5 proportionate relationship, adds APIm, with quality into above-mentioned PVC solution Compare PVDF-6F:(PVDF-6F+PVC)=0.05:1 proportionate relationship adds enhancing polymer into above-mentioned mixed solution PVDF-6F, continues to stir 4 hours, obtains transparent homogeneous Casting solution;
(3) composite film material is prepared using solution casting method, wherein film forming procedure is the solvent flashing at a temperature of 80 DEG C, Film formation time is 24 hours;
(4) above-mentioned composite membrane is fully immersed in into progress acid in the phosphate aqueous solution that mass fraction is 85% at room temperature to mix Miscellaneous, soak time is 24 hours, obtains high temperature resistant type polymer dielectric film.
Resulting heat-resistant polymer dielectric film has good phosphate-doped ability, and phosphoric acid quality weightening is 130%, while also having good pliability and dimensional stability, phosphate-doped caudacoria material volume swelling ratio is 75%.
Resulting heat-resistant polymer dielectric film has excellent proton conductive, under the conditions of 180 DEG C do not humidify Electrical conductivity is 0.08S/cm.
Embodiment 8, prepares PVC-APIm (1:1) method of/13%PVP/PA composite membranes, is comprised the steps of:
(1) 0.15gPVC is weighed, in being dissolved under 60 DEG C of stirring conditions in 15gN, N- dimethylacetamide solutions, is obtained Polymer solubility is 1% clear polymer solution;
(2) using mol ratio as PVC:APIm=1:1 proportionate relationship, adds APIm, with mass ratio into above-mentioned PVC solution PVP:(PVP+PVC)=0.13:1 proportionate relationship adds enhancing polymer P VP into above-mentioned mixed solution, continues to stir 6 Hour, obtain transparent homogeneous Casting solution;
(3) composite film material is prepared using solution casting method, wherein film forming procedure is the solvent flashing at a temperature of 60 DEG C, Film formation time is 48 hours;
(4) above-mentioned composite membrane is fully immersed in into progress acid in the phosphate aqueous solution that mass fraction is 75% at room temperature to mix Miscellaneous, soak time is 24 hours, obtains high temperature resistant type polymer dielectric film.
Resulting heat-resistant polymer dielectric film has good phosphate-doped ability, and phosphoric acid quality weightening is 320%, while also having good pliability and dimensional stability, phosphate-doped caudacoria material volume swelling ratio is 65%.
Resulting heat-resistant polymer dielectric film has excellent proton conductive, under the conditions of 180 DEG C do not humidify Electrical conductivity is 0.17S/cm.
In summary embodiment test result understands that the phosphate-doped content of the heat-resistant polymer dielectric film of preparation is 70%~370%, with higher electrical conductivity 0.02S/cm~0.29S/cm, while having good dimensional stability, volume Swelling ratio 40%~180%.Illustrate that the present embodiment has been made the high temperature resistant with high conductance and good dimensional stability and gathered Polymer electrolyte membrane, the membrane materials for electrolyte available for devices such as fuel cell, flow batteries.

Claims (2)

1. a kind of preparation method of the heat-resistant polymer dielectric film based on polyvinyl chloride, it is characterised in that including following step Suddenly:
(1) under the conditions of 25~70 DEG C, polyvinyl chloride is added in polar organic solvent, stirring and dissolving obtains transparent quality Solubility is 1~3% polyvinyl chloride solution;
(2) add 1- (3- aminopropyls) imidazoles into above-mentioned polyvinyl chloride solution to be mixed, wherein polyvinyl chloride and 1- (3- Aminopropyl) imidazoles mol ratio be 1:0.3~1;And then enhancing polymer is added into mixed solution, continue stirring 4~8 small When, transparent homogeneous Casting solution is obtained, wherein enhancing polymer accounts for enhancing polymer and the mass ratio of polyvinyl chloride sum is 0.05~0.15:1;The enhancing polymer is bisphenol-a polysulfone, poly- (vinylidene fluoride-co- hexafluoropropenes) or polypyrrole One kind in alkanone;
(3) composite film material is prepared using solution casting method, wherein film forming procedure is solvent flashing, film forming at a temperature of 60-100 DEG C Time is 12~48 hours;
(4) above-mentioned composite film material is fully immersed in the phosphate aqueous solution that mass fraction is 60%~85% at room temperature Row acid doping, soak time is 24~72 hours, obtains heat-resistant polymer dielectric film;The phosphoric acid and composite membrane wherein adulterated The mass ratio of material is 0.7~3.7:1.
2. a kind of preparation method of heat-resistant polymer dielectric film based on polyvinyl chloride according to claim 1, its It is characterised by, the polar organic solvent in step (1) is DMA or DMF.
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108258290A (en) * 2018-01-31 2018-07-06 东北大学 Phosphate-doped prepares the high temperature proton exchange film method with layer assembly structure based on spin coating technique
CN108570157A (en) * 2018-04-24 2018-09-25 东北大学 A kind of preparation method of the polymer anion film based on crassitude cation
CN108878973A (en) * 2018-07-10 2018-11-23 哈尔滨理工大学 A kind of preparation method of polyvinyl chloride-based polymer dielectric film
CN112834540A (en) * 2019-11-22 2021-05-25 中国科学院大连化学物理研究所 Determining PBI/H3PO4Method for measuring content of phosphoric acid in doped film
CN113754971A (en) * 2021-10-25 2021-12-07 西北工业技术研究院(台州)有限公司 PVC pipe fitting material and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006055157A2 (en) * 2004-11-16 2006-05-26 Hoku Scientific, Inc. Novel membrane and membrane electrode assemblies
CN104437119A (en) * 2014-11-05 2015-03-25 福州大学 Polymer microporous membrane based on polyvinyl chloride ion liquid and preparation method of polymer microporous membrane
CN104558646A (en) * 2014-12-24 2015-04-29 福州大学 Preparation and application of ionic liquid-polyvinyl chloride membrane with anion response
CN104607059A (en) * 2015-02-09 2015-05-13 福州大学 Preparation method of vinyl chloride polymer ionic liquid porous membrane

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006055157A2 (en) * 2004-11-16 2006-05-26 Hoku Scientific, Inc. Novel membrane and membrane electrode assemblies
CN104437119A (en) * 2014-11-05 2015-03-25 福州大学 Polymer microporous membrane based on polyvinyl chloride ion liquid and preparation method of polymer microporous membrane
CN104558646A (en) * 2014-12-24 2015-04-29 福州大学 Preparation and application of ionic liquid-polyvinyl chloride membrane with anion response
CN104607059A (en) * 2015-02-09 2015-05-13 福州大学 Preparation method of vinyl chloride polymer ionic liquid porous membrane

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
JATINDRANATH MAITI,等: "Imidazolium functionalized poly(vinyl chloride-co-vinyl acetate)-based anion exchange membrane", 《INRERNATIONAL JOURNAL OF HYDROGEN ENERGY》 *
JINGSHUAI YANG,等: "Phosphoric acid doped imidazolium polysulfone membranes for high temperature proton exchange membrane fuel cells", 《JOURNAL OF POWER SOURCES》 *
JINGSHUAI YANG,等: "Preparation and investigation of various imidazolium-functionalized poly(2,6-dimethyl-1,4-phenylene oxide) anion exchange membranes", 《ELECTROCHIMICA ACTA》 *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108258290A (en) * 2018-01-31 2018-07-06 东北大学 Phosphate-doped prepares the high temperature proton exchange film method with layer assembly structure based on spin coating technique
CN108258290B (en) * 2018-01-31 2020-04-03 东北大学 Method for preparing high-temperature proton exchange membrane with layer-by-layer assembly structure based on spin coating technology by doping phosphoric acid
CN108570157A (en) * 2018-04-24 2018-09-25 东北大学 A kind of preparation method of the polymer anion film based on crassitude cation
CN108570157B (en) * 2018-04-24 2020-06-05 东北大学 Preparation method of polymer anionic membrane based on methylpyrrolidine cations
CN108878973A (en) * 2018-07-10 2018-11-23 哈尔滨理工大学 A kind of preparation method of polyvinyl chloride-based polymer dielectric film
CN108878973B (en) * 2018-07-10 2022-01-25 哈尔滨理工大学 Preparation method of polyvinyl chloride-based polymer electrolyte membrane
CN112834540A (en) * 2019-11-22 2021-05-25 中国科学院大连化学物理研究所 Determining PBI/H3PO4Method for measuring content of phosphoric acid in doped film
CN113754971A (en) * 2021-10-25 2021-12-07 西北工业技术研究院(台州)有限公司 PVC pipe fitting material and preparation method thereof

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