WO2015041440A1 - 일체형 전도성고분자 바인더조성물, 상기 바인더조성물 제조방법, 상기 바인더조성물을 포함하는 에너지 저장장치, 상기 바인더조성물로 형성된 감지부를 포함하는 센서, 및 상기 바인더조성물을 유효성분으로 포함하는 부식방지용 코팅조성물 - Google Patents
일체형 전도성고분자 바인더조성물, 상기 바인더조성물 제조방법, 상기 바인더조성물을 포함하는 에너지 저장장치, 상기 바인더조성물로 형성된 감지부를 포함하는 센서, 및 상기 바인더조성물을 유효성분으로 포함하는 부식방지용 코팅조성물 Download PDFInfo
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- WO2015041440A1 WO2015041440A1 PCT/KR2014/008603 KR2014008603W WO2015041440A1 WO 2015041440 A1 WO2015041440 A1 WO 2015041440A1 KR 2014008603 W KR2014008603 W KR 2014008603W WO 2015041440 A1 WO2015041440 A1 WO 2015041440A1
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- Prior art keywords
- conductive polymer
- binder composition
- polymer binder
- acid
- composition
- Prior art date
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Classifications
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- H—ELECTRICITY
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- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/06—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances
- H01B1/12—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances organic substances
- H01B1/124—Intrinsically conductive polymers
- H01B1/127—Intrinsically conductive polymers comprising five-membered aromatic rings in the main chain, e.g. polypyrroles, polythiophenes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
- C08L101/12—Compositions of unspecified macromolecular compounds characterised by physical features, e.g. anisotropy, viscosity or electrical conductivity
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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
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- C—CHEMISTRY; METALLURGY
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
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Definitions
- the present invention relates to a polymer binder composition, and more particularly, to an integrated conductive polymer binder composition having adhesiveness and conductivity at the same time, a method of manufacturing the binder composition, and an energy storage device including the binder composition including a sensing unit formed of the binder composition. It relates to a coating composition for preventing corrosion comprising a sensor and the binder composition as an active ingredient.
- the binder imparts a binding force between the active material and the current collector, the electrode active material and the conductive material as well as between the active materials, and has an important effect on battery characteristics by suppressing volume expansion caused by charging and discharging of the battery.
- a binder resin it is preferable to use an insoluble and chemically stable material for the organic electrolysis solution of the battery.
- PVDF polyvinylidene fluoride
- some prior arts propose methods of using a conductive polymer such as polyacetylene and polyaniline as a binder to improve conductivity and reduce internal resistance of a battery. same.
- Japanese Patent Application Laid-Open No. 2000-067918 discloses a lithium secondary battery made by adding polyacetylene and / or polyaniline as a binder
- Japanese Patent Application Laid-Open No. 1989-132045 discloses that polyaniline performs a function of a binder and an active material at the same time.
- an electrode which is mixed and molded with polypyrrole discloses an electrode which is mixed and molded with polypyrrole.
- Korean Patent Application Publication No. 1999-031603 discloses a technique for minimizing interfacial resistance without attaching a polymer binder to an electrode active material by attaching an electrode and an electrode active material through conductive polymers in a lithium polymer secondary battery.
- Japanese Patent Application Laid-Open No. 1999-339774 discloses a positive electrode for a lithium secondary battery produced by applying a polyaniline / ethane disulfonic acid composite as a metal oxide as a active material and a binder as a carbon fiber paper.
- the conductivity of the conductive polymer increases as the degree of polymerization increases, so that when the degree of polymerization is small, the desired conductivity cannot be exhibited. On the other hand, when the molecular weight is increased, dispersibility to the solvent is lowered. Due to many of these problems, conductive polymers as binders exhibiting desired levels of physical properties have not yet been developed.
- an object of the present invention is an integrated conductive polymer binder composition having a superior adhesiveness and conductivity at the same time as a binder as well as having excellent durability and coating properties as compared to the conventional adhesive technology as a single coating, the binder composition It is to provide a manufacturing method.
- Another object of the present invention is not only convenient to use, but also easy to use as compared to the method of adding a conductive additive to the conventional insulating binder, it is easy to use and the production cost can be reduced due to the simplification of the process It is to provide an integrated conductive polymer binder composition, a method for producing the binder composition.
- Another object of the present invention is composed of a large number of nanoparticles can act as a conductive matrix, so that when using a variety of electrode active materials to help physically and electrically excellent intermolecular connection, an integrated conductive polymer binder composition exhibiting excellent electrochemical performance, the It is to provide a method for producing a binder composition.
- Still another object of the present invention is to provide a sensor including a sensing unit formed of an integral conductive polymer binder composition by using the characteristics of the integral conductive polymer binder composition, that is, having both conductivity and reproducibility.
- Another object of the present invention is to prevent the corrosion of the integral conductive polymer binder composition containing the integral conductive polymer binder composition using the excellent properties of corrosion resistance by maintaining or increasing the resistance in a specific environment while maintaining the conductivity of the metal itself. It is to provide a corrosion-resistant conductive metal product having a coating layer and a coating layer formed of a coating composition for preventing corrosion.
- the present invention provides an integral conductive polymer binder composition comprising 80% to 99.99% by weight of the conductive polymer solution and 0.01% to 20% by weight of the organic compound having a plurality of polar groups.
- the conductive polymer solution comprises 0.01 wt% to 60 wt% of conductive polymer, 0.01 wt% to 60 wt% of alkyl substituted aromatic organic acid compound, and the remaining weight of solvent.
- the conductive polymer is at least one selected from the group consisting of polypyrrole, polyaniline, polythiophene and derivatives thereof.
- the alkyl-substituted aromatic organic acid compound is camphorsulfonic acid (CSA, camphorsulfonic acid), dodecylbenzene sulfonic acid (DBSA, dodecylbenzene sulfonic acid), polystyrenesulfonic acid (PSS, polystyrenesulfonic acid), p -toluenesulfonic acid ( p- toluenesulfonic acid (PTSA), methanesulfonic acid (MSA), and naphthalene sulfonic acid (NASA).
- CSA camphorsulfonic acid
- DBSA dodecylbenzene sulfonic acid
- PSS polystyrenesulfonic acid
- PTSA p-toluenesulfonic acid
- MSA methanesulfonic acid
- NDA naphthalene sulfonic acid
- the solvent is a water or an organic solvent
- the organic solvent is N - methylpyrrolidone (NMP, N -methylpyrrolidone), dimethyl sulfoxide (DMSO, dimethyl sulfoxide), dimethyl formamide (DMF, dimethylformamide ), Group consisting of cresol, methyl ethyl ketone, chloroform, butyl acetate, xylene, toluene and tetrahydrofuran (THF, tetrahydrofuran) At least one selected from.
- NMP N methylpyrrolidone
- DMSO dimethyl sulfoxide
- DMF dimethyl formamide
- THF tetrahydrofuran
- the plurality of polar groups of the organic compound is a plurality of hydroxyl groups.
- the organic compound is D-sorbitol, D-fructose, D-glucose, saccharose, L-arabitol (L-arabitol), xylitol, xylitol, maltitol, isomalt, and erythritol.
- the present invention also provides a solution preparation step of preparing a conductive polymer solution; An addition mixing step of adding an organic compound having a plurality of polar groups to the prepared conductive polymer solution to form a conductive polymer mixed solution; And physically treating the mixed solution. It provides an integrated conductive polymer binder composition manufacturing method comprising a.
- the solution preparation step dissolves 0.01 wt% to 60 wt% of conductive polymer and 0.01 wt% to 60 wt% of the alkyl-substituted aromatic organic acid compound in the remaining weight of the solvent.
- the conductive polymer is at least one selected from the group consisting of polypyrrole, polyaniline, polythiophene and derivatives thereof.
- the alkyl-substituted aromatic organic acid compound is camphorsulfonic acid (CSA, camphorsulfonic acid), dodecylbenzene sulfonic acid (DBSA, dodecylbenzene sulfonic acid), polystyrenesulfonic acid (PSS, polystyrenesulfonic acid), p -toluenesulfonic acid ( p- toluenesulfonic acid (PTSA), methanesulfonic acid (MSA), and naphthalene sulfonic acid (NASA).
- CSA camphorsulfonic acid
- DBSA dodecylbenzene sulfonic acid
- PSS polystyrenesulfonic acid
- PTSA p-toluenesulfonic acid
- MSA methanesulfonic acid
- NDA naphthalene sulfonic acid
- the solvent is a water or an organic solvent
- the organic solvent is N - methylpyrrolidone (NMP, N -methylpyrrolidone), dimethyl sulfoxide (DMSO, dimethyl sulfoxide), dimethyl formamide (DMF, dimethylformamide ), Group consisting of cresol, methyl ethyl ketone, chloroform, butyl acetate, xylene, toluene and tetrahydrofuran (THF, tetrahydrofuran) At least one selected from.
- NMP N methylpyrrolidone
- DMSO dimethyl sulfoxide
- DMF dimethyl formamide
- THF tetrahydrofuran
- the addition mixing step is mixed with 80% to 99.99% by weight of the prepared organic polymer solution 0.01% to 20% by weight of the organic compound having a plurality of polar groups.
- the organic compound is D-sorbitol, D-fructose, D-glucose, saccharose, L-arabitol (L-arabitol), xylitol, xylitol, maltitol, isomalt, and erythritol.
- the present invention provides an energy storage device comprising any one of the integral conductive polymer binder composition described above and the integral conductive polymer binder composition prepared by any one of the above-described manufacturing methods.
- the energy storage device is a supercapacitor.
- the present invention provides a sensor comprising a sensing unit formed of any one integral conductive polymer binder composition described above and an integral conductive polymer binder composition prepared by any one of the above-described manufacturing methods.
- the detector detects toxic gas.
- the present invention provides a coating composition for preventing corrosion comprising any one of the conductive conductive polymer binder composition described above and the integral conductive polymer binder composition prepared by any one of the above-described manufacturing method as an active ingredient.
- the present invention provides a corrosion preventing conductive metal product having a coating layer formed on the surface of the coating composition for preventing corrosion.
- the coating layer has a corrosion protection rate of at least 30% with respect to 0.1 M sodium sulfate (Na 2 SO 4) electrolyte.
- the integrated conductive polymer binder composition of the present invention not only has excellent durability and applicability as compared with the conventional adhesive technology, but also shows uniform conductivity even with a single coating, and thus has excellent adhesiveness and conductivity.
- the integrated conductive polymer binder composition and the manufacturing method thereof according to the present invention have superior adhesiveness and conductivity alone as compared to the method of adding a conductive additive to a conventional insulating binder, which is convenient to use and simplifies the process. This can reduce production costs.
- the integrated conductive polymer binder composition of the present invention is composed of a large number of nanoparticles to serve as a conductive matrix, it can exhibit excellent electrochemical performance by helping excellent physical and electrical intermolecular connection when using various electrode active materials.
- the present invention can provide a high-capacity energy storage device including a supercapacitor including an integrated conductive polymer binder composition that not only shows excellent performance as an electrode but also serves as a conductive binder to improve the performance of the electrode.
- a sensor including a sensing unit formed of an integral conductive polymer binder composition by using properties of the integral conductive polymer binder composition, that is, having both conductivity and reproducibility.
- the coating composition for preventing corrosion includes an integral conductive polymer binder composition as an active ingredient, It is possible to provide an anti-corrosion conductive metal product having a coating layer formed of an anti-corrosion coating composition.
- Figure 1a is a graph showing the peel strength-displacement curve of the integral conductive polymer composition obtained in the embodiment of the present invention
- Figure 1b is the content of D-sorbitol of the integral conductive polymer composition obtained in the embodiments of the present invention It is a graph of the comparative measurement of the peel strength according to.
- Figure 2a shows representative strength-displacement curves and Figure 2b is a graph of the results of comparative measurements of the adhesive shear strength according to the content of D-sorbitol of the integral conductive polymer composition obtained in the embodiments of the present invention.
- FIG. 3A is a CV graph of the integrated polyaniline binder composition obtained in the embodiment of the present invention
- FIG. 3B is a graph showing that the charge and discharge of the integrated polyaniline binder composition obtained in the embodiments of the present invention is made in accordance with the voltage range.
- 3c is a graph showing the discharge capacity.
- Figure 4a is a graph comparing the discharge capacity of the integrated polyaniline binder composition of the present invention and the polyaniline nanofiber electrode according to its content with the discharge capacity of the electrode when using a PVDF binder
- Figure 4b is a integral polyaniline binder composition and its content
- Figure 4c is a graph comparing the discharge capacity of the polypyrrole nanoparticle electrode according to the discharge capacity of the electrode when using the PVDF binder
- Figure 4c is a PVDF binder using the discharge capacity of the integral polyaniline binder composition and its content When compared with the discharge capacity of the electrode is a graph.
- Figure 5 is a graph showing the discharge capacity of the polyaniline nanofibers, polypyrrole nanoparticles, carbon black electrode according to the 10wt% binder content of the results obtained in Figures 4a to 4c in the same scale.
- FIG. 6 is a graph showing a resistance change value by reacting ammonia with a sensor having a sensing unit formed of an integral polyaniline binder composition obtained in an embodiment of the present invention.
- FIG. 7 is a graph showing a resistance change value by reacting hydrogen chloride with a sensor having a sensing unit formed of an integrated polyaniline binder composition obtained in an embodiment of the present invention.
- the intermolecular attraction of the conductive polymer is not only reduced intermolecular attraction but also conductive polymer having a composition containing an alkyl-substituted aromatic organic acid compound which can exhibit adhesion to a specific surface.
- the present invention will be described in consideration of the advantages of the integrated conductive polymer composition having a composition comprising a solution, a conductive polymer solution and an organic compound having a plurality of polar groups, and a method for producing the same.
- conductive polymer materials have a deadly disadvantage due to relatively strong intermolecular attraction and weak solvent and intermolecular attraction, resulting in insolubility for most general purpose solvents, resulting in poor processability.
- an aromatic organic acid compound having an alkyl group substituted with an alkyl group is used as an admixture, a portion having a counter ion acts as a dopant to exhibit electrical conductivity, while the substituted alkyl group has solubility in a general solvent or water.
- the van der Waals attraction allows for adhesion to specific surfaces.
- the conductive polymer binder when the conductive polymer solution having such a composition is treated with an organic compound having a plurality of polar (atomic group) groups, the conductive polymer binder not only increases the conductivity but also bonds through hydrogen bonding and dipole interaction. You can also give them a surname.
- the one-piece conductive polymer binder composition of the present invention unlike the conventional binder that provides only adhesiveness and insulation, has a conductive and acts as an adhesive and a conductive material at the same time and has two functions as itself without additional additives. It can serve as a binder.
- the integrated conductive polymer binder composition of the present invention comprises 80% to 99.99% by weight of the conductive polymer solution and 0.01% to 20% by weight of the organic compound having a plurality of polar groups.
- the conductive polymer solution included in the integrated conductive polymer binder composition of the present invention may include 0.01 wt% to 60 wt% of the conductive polymer, 0.01 wt% to 60 wt% of the alkyl group-substituted aromatic organic acid compound, and the remaining weight of the solvent.
- the content of the conductive polymer and the content of the alkyl-substituted aromatic organic acid compound does not fall within the predetermined range, the mutual attraction between molecules does not weaken, so that the solubility is low and the electrical conductivity is low. This is because they remain in this solution and their electrical properties are degraded.
- alkyl-substituted aromatic organic acid compound included in the conductive polymer solution of the present invention is not limited as long as it is an aromatic organic acid compound substituted with an alkyl group, but is not limited to camphorsulfonic acid (CSA) and dodecylbenzenesulfonic acid (DBSA, dodecylbenzene).
- CSA camphorsulfonic acid
- DBSA dodecylbenzenesulfonic acid
- NSA PTSA
- methanesulfonic acid methanesulfonic acid:: MSA
- naphthalenesulfonic acid naphthalene sulfonic acid-toluenesulfonic acid
- PSS polystyrene sulfonate
- the solvent included in the conductive polymer solution of the present invention may be water or an organic solvent.
- the organic solvent may be used any organic solvent known, but especially N - methyl pyrrolidone (NMP, N -methylpyrrolidone), dimethyl sulfoxide (DMSO, dimethyl sulfoxide), dimethyl formamide (DMF, dimethylformamide), Selected from the group consisting of cresol, methyl ethyl ketone, chloroform, butyl acetate, xylene, toluene and tetrahydrofuran (THF) It may be any one or more.
- the organic compound included in the integrated conductive polymer binder composition of the present invention is not limited to its use as long as it has a compound having a plurality of polar groups serving as strong hydrogen bond donors and acceptors, and the conductive polymer dissolved in the conductive polymer solution.
- the conductivity of the component is of course a component that gives better adhesion.
- the organic compound is a compound having multiple hydroxyl groups, D-sorbitol, D-fructose, D-glucose, saccharose (saccharose), L-arabitol, L-arabitol, xylitol, xylitol, maltitol, maltitol, isomalt, and erythritol.
- the organic compound having a plurality of polar (atomic groups) is solid at room temperature, it may be used after melting by applying heat to a temperature above the melting point to improve conductivity.
- a solution preparation step of preparing a conductive polymer solution An addition mixing step of adding an organic compound having a plurality of polar groups to the prepared conductive polymer solution to form a soluble polymer mixed solution; And physically treating the mixed solution.
- the addition mixing step may be performed by stirring and / or sonication to form a mixed solution.
- the step of physically treating the mixed solution may use any known physical treatment method as long as it can act so that the organic compound is physically doped to the conductive polymer contained in the mixed solution. Agitation and / or sonication was performed at the lab scale. Here, the stirring may be performed for 1 to 60 minutes, and the sonication may be performed for 1 to 60 minutes. At this time, the time during which the step of physically treating the mixed solution is physically controlled should be well controlled.
- the alkyl-substituted aromatic organic acid compound is not uniformly applied in the polymer. This is because the adhesive strength and the electrical properties are deteriorated, and if it proceeds excessively, the adhesive properties of the obtained integral polymer conductive binder composition may be degraded.
- a single conductive polymer binder composition may be prepared by doping a plurality of polar groups of an organic compound into a soluble conductive polymer solution.
- the integral conductive polymer binder composition is excellent in electrical and physical intermolecular interconnection and has excellent self-electrical properties.
- the integrated conductive polymer binder of the present invention not only shows excellent performance as its own electrode, but also serves as a conductive binder when used in an electrode for a supercapacitor, thereby improving the performance of the electrode.
- the senor of the present invention includes a sensing unit formed of an integral conductive polymer binder composition
- the integrated conductive polymer binder composition of the present invention can be used as a sensing unit included in the sensor because it has conductivity and reproducibility at the same time.
- various chemical gases including toxic gases such as ammonia, sarin gas, starch gas, and hydrogen chloride, may be detected to measure a change in resistance according to the type and concentration of chemicals, thereby acting as a sensing unit of the sensor. Can be.
- the anti-corrosion coating composition of the present invention and the anti-corrosion conductive metal product formed on the surface of the coating layer formed of the coating composition may maintain the resistance of the integrated conductive polymer binder composition of the present invention in a specific environment while maintaining the conductivity of the metal itself.
- By increasing the corrosion resistance performance is excellent. That is, when the anti-corrosion coating layer formed of the integral conductive polymer binder composition is formed on the surface, the conductivity of the metal itself is maintained, so that its intrinsic properties are not impaired, and the anti-corrosion coating layer not only prevents oxidation but also causes corrosion of various metals. This is because the metal can be protected by blocking the elements.
- the coating layer is formed on the surface of the metal product which is required to maintain conductivity and is exposed to harsh environment using the anti-corrosion coating composition of the present invention, as well as maintaining the performance of the anti-corrosion conductive metal product having the coating layer formed on the surface It is expected to contribute to long life extension.
- the prepared polyaniline solution and D-sorbitol dissolved in NMP were stirred together for 15 minutes to prepare a polyaniline mixed solution.
- the content of D-sorbitol in the polyaniline mixed solution was 0.3% by weight.
- a monolithic polyaniline binder composition 2 was prepared in the same manner as in Example 1 except that the content of D-sorbitol contained in the polyaniline mixed solution was 1% by weight.
- a monolithic polyaniline binder composition 3 was prepared in the same manner as in Example 1 except that the content of D-sorbitol contained in the polyaniline mixed solution was 2% by weight.
- a monolithic polyaniline binder composition 4 was prepared in the same manner as in Example 1 except that the content of D-sorbitol in the polyaniline mixed solution was 3% by weight.
- a monolithic polyaniline binder composition 5 was prepared in the same manner as in Example 1 except that the content of D-sorbitol in the polyaniline mixed solution was 4% by weight.
- a monolithic polyaniline binder composition 6 was prepared in the same manner as in Example 1 except that the content of D-sorbitol in the polyaniline mixed solution was 5% by weight.
- a monolithic polyaniline binder composition 7 was prepared in the same manner as in Example 1 except that Dt-sorbitol dissolved in NMP was used but Maltitol dissolved in NMP was used.
- a monolithic polyaniline binder composition 8 was prepared in the same manner as in Example 2, except that Maltitol dissolved in NMP was used instead of D-sorbitol dissolved in NMP.
- a monolithic polyaniline binder composition 9 was prepared in the same manner as in Example 3, except that Maltitol dissolved in NMP was used instead of D-sorbitol dissolved in NMP.
- a monolithic polyaniline binder composition 10 was prepared in the same manner as in Example 4 except that Dt-sorbitol dissolved in NMP was used instead of Maltitol dissolved in NMP.
- a monolithic polyaniline binder composition 11 was prepared in the same manner as in Example 5 except that Dt-sorbitol dissolved in NMP was used instead of Maltitol dissolved in NMP.
- a monolithic polyaniline binder composition 12 was prepared in the same manner as in Example 6, except that Maltitol dissolved in NMP was used instead of D-sorbitol dissolved in NMP.
- a polypyrrole mixed solution was prepared by stirring the polypyrrole solution and L-arabitol dissolved in m-cresol for 15 minutes.
- the content of L-arabitol contained in the polypyrrole mixed solution was 0.3% by weight. After sonication for 15 minutes to prepare an integral polypyrrole binder composition 1.
- An integral polypyrrole binder composition 2 was prepared in the same manner as in Example 1 except that the content of L-arabitol contained in the polypyrrole mixed solution was 1% by weight.
- a monolithic polypyrrole binder composition 3 was prepared in the same manner as in Example 1 except that the content of L-arabitol contained in the polypyrrole mixed solution was 2% by weight.
- An integral polypyrrole binder composition 4 was prepared in the same manner as in Example 1, except that the content of L-arabitol contained in the polypyrrole mixed solution was 3% by weight.
- An integral polypyrrole binder composition 5 was prepared in the same manner as in Example 1 except that the content of L-arabitol contained in the polypyrrole mixed solution was 4% by weight.
- An integral polypyrrole binder composition 6 was prepared in the same manner as in Example 1 except that the content of L-arabitol contained in the polypyrrole mixed solution was 5% by weight.
- the film type sensing part was manufactured from the integral polyaniline binder composition 1 obtained in Example 1. Thereafter, a nickel electrode was connected to the film type sensing unit to manufacture a resistance sensor.
- Corrosion resistant conductive copper plate having a coating layer formed on the copper surface was prepared from the integrated polyaniline binder composition 1 obtained in Example 1.
- An anti-corrosion conductive zinc plate having a coating layer formed on a zinc surface was prepared from the integral polyaniline binder composition 1 obtained in Example 1.
- Specimens use flexible films such as polyimide films and rigid substrates such as stainless steel panels. All adhesion tests were carried out by peeling one specimen at a rate of 5 mm / min in the longitudinal direction with the specimen fixed.
- the peel strength of PVDF which is a binder commonly used in electrochemical experiments such as a conventional capacitor or battery, and the integral polyaniline binder compositions 1 to 6 were compared and averaged after at least 10 experiments. In general, the average load divided by the width of the specimen was obtained as the result, expressed as N / mm.
- Example 2 of the present invention the adhesive strength of the integrated polyaniline binder composition 2 obtained in Example 2 of the present invention is superior to that of PVDF, which is a binder commonly used in electrochemical experiments such as capacitors and batteries.
- the organic compound having a plurality of polar groups included in the integrated conductive polymer composition of the present invention showed the best peel strength at a value of 0.7 N / mm when the content of D-sorbitol was 1 wt%.
- PVDF a control binder, showed a peel strength of 0.3 N / mm, which was more than two times better.
- FIGS. 1A and 1B show that the integrated conductive polymer binder composition of the present invention has a relatively better adhesive strength in peel strength compared to PVDF, which is a conventionally used binder.
- Lap shear test was carried out on the specimens of the integral polyaniline binder composition 7 to 12 obtained in Examples 7 to 12 to determine the bond joint strength of the two bonded specimens, and the results are shown in FIGS. 2A and FIG. Shown in 2b.
- test specimens used 3M PP2900 as a flexible film, and the two specimens were attached using each binder composition.
- This test is also an experiment to measure the adhesive strength of the binder composition.
- the specimen prepared is fixed in the center of the grip and the tensile strength is slowly applied at a rate of 1.0 kg / min until the adhesive surface is broken. Measure the degree. In this case, the higher the shear strength, the better the adhesion.
- Figure 2a shows representative strength-displacement curves and Figure 2b is a one-piece conductive polymer composition 7 to 12 (composition 7: 0.3w%, composition 8: 1.0w%, composition 9 :) containing different amounts of D-sorbitol, respectively: 2.0w%, composition 10: 3.0w%, composition 11: 4.0w%, composition 12: 5.0w%) and PVDF and the adhesive shear strength was measured and compared.
- the control binder PVDF showed an average shear shear strength of 3.9 MPa, but in the case of the integral polyaniline binder composition of the present invention, when the D-sortibol content is 3 wt% or more, that is, the integral polyaniline binder composition 10 to 12, When the D-sorbitol content was 0.3wt%, 1.0wt%, 2.0wt%, that is, when the integral polyaniline binder composition was 7-9, the adhesive shear strength was 4.6MPa, 5.2MPa, 4.9MPa, respectively. It can be seen that the adhesive strength was relatively much higher than when compared with.
- the CV graph of the integral polyaniline binder composition of the present invention showed the same characteristics as the redox pick of the conventional polyaniline (emeraldine salt).
- the constant current charge-discharge experiment was an experiment to measure the specific capacitance of the samples
- the voltage range of the charge-discharge experiment can be selected through the voltage range of the CV graph. All CD graph curves show that the charge-discharge was performed according to the voltage range as shown in FIG. 3b.
- the D-sorbitol content is 0.3wt%, 1.0wt%, 2.0wt%, that is, the dosages of the integral polyaniline binder compositions 1 to 3 are 165, 144 and 123 F g -1 , respectively.
- the discharge capacity at the 0.3-% and 1.0-wt% D-sorbitol content was similar to that of the existing polyaniline (see Figure 3c).
- the discharge capacities of the polyaniline electrodes had values of 337.13 and 367.46 F / g, respectively, and 10 wt% of PVDF and This is because when the SP binder was used, the discharge capacities were found to have 253.31 and 406.05 F / g, respectively.
- FIG. 4A shows that the discharge capacity is higher when the integrated polyaniline binder composition 2 (SP binder) is used than when PVDF is used as the binder, and the higher the content of the integrated polyaniline binder composition 2 used for the electrode, that is, the integrated polyaniline When the binder composition 2 content was 10wt% than when 5wt%, it was confirmed that the discharge capacity difference with the electrode using the PVDF is increased.
- SP binder integrated polyaniline binder composition 2
- FIG. 5 shows polyaniline nanofibers (PANI), polypyrrole nanoparticles (PPy), which are obtained when PVDF with a content of 10wt% and the integrated polyaniline binder composition 2 (SP binder) of the present invention are used in the results obtained in FIGS. 4A to 4C. It is a graph which shows the result of the discharge capacity of the carbon black electrode in the same scale. Referring to FIG. 5, it can be clearly seen that the discharge capacity was higher when the integrated polyaniline binder composition 2 (SP binder) was used than the discharge capacity of the electrode using PVDF regardless of the type of active electrode used.
- the integrated conductive polymer binder of the present invention not only shows excellent performance as its own electrode, but also serves as a conductive binder when used in an electrode for a supercapacitor, thereby improving the performance of the electrode.
- the integrated conductive polymer binder of the present invention can be widely used for bonding not only supercapacitors but also batteries, LEDs, LSI chips, and photoconductive devices, it will be a very useful binder that can replace existing binders.
- a resistance test of ammonia and hydrogen chloride was performed with the resistance sensor prepared in Example 19.
- 50ppm of ammonia gas and 10ppm of hydrogen chloride were reacted with the resistance sensor to monitor the resistance change value, and to confirm the reproducibility after the reaction, nitrogen gas was injected to return to the initial resistance, and the results are shown in FIGS. 5 and 6. Shown in
- the resistance sensor of the present invention can detect ammonia and hydrogen chloride gas by observing the electrical response of the resistance sensor in real time.
- Corrosion rates of the anti-corrosion conductive copper plates and the conductive zinc plates prepared in Examples 20 and 21 were measured by an electrochemical method. Tafel plots were obtained using 0.1 M sodium sulfate (Na2SO4) electrolyte and the protection efficiency was calculated from them.
- Corrosion-resistant conductive copper plate and conductive zinc plate formed with a coating layer showed a protection efficiency of 31% and 68%, respectively. Efficacy can be confirmed. Therefore, the anti-corrosion metal products with the coating layer formed of the anti-corrosion coating composition of the present invention is expected to be very useful because it can be used in a variety of industries as it can be used in a specific solution and environment to maintain electrical conductivity. .
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Abstract
Description
Claims (21)
- 전도성고분자용액 80중량% 내지 99.99중량% 및 다수의 극성기를 가진 유기화합물 0.01중량% 내지 20중량%를 포함하는 일체형 전도성고분자 바인더조성물.
- 제 1 항에 있어서,상기 전도성고분자용액은 전도성고분자 0.01중량% 내지 60중량%, 알킬기 치환 방향족 유기산화합물 0.01중량% 내지 60중량% 및 나머지 중량의 용매를 포함하는 것을 특징으로 하는 일체형 전도성고분자 바인더조성물.
- 제 2 항에 있어서,상기 전도성고분자는 폴리피롤, 폴리아닐린, 폴리티오펜 및 이들의 유도체로 구성된 그룹에서 선택되는 하나 이상인 것을 특징으로 하는 일체형 전도성고분자 바인더조성물.
- 제 2 항에 있어서,상기 알킬기 치환 방향족 유기산화합물은 캄포설폰산(CSA, camphorsulfonic acid), 도데실벤젠설폰산(DBSA, dodecylbenzene sulfonic acid), 폴리스타이렌설폰산(PSS, polystyrenesulfonic acid), p-톨루엔술폰산(p-toluenesulfonic acid: PTSA), 메탄술폰산(methanesulfonic acid: MSA), 나프탈렌 술폰산(naphthalene sulfonic acid: NSA)로 구성된 그룹에서 선택되는 하나 이상을 포함하는 것을 특징으로 하는 일체형 전도성고분자 바인더조성물.
- 제 2 항에 있어서,상기 용매는 물 또는 유기용매로서, 상기 유기용매는 N-메틸피롤리돈(NMP, N-methylpyrrolidone), 디메틸설폭시드(DMSO, dimethyl sulfoxide), 디메틸포름아미드(DMF, dimethylformamide), 크레졸(cresol), 메틸에틸케톤(methyl ethyl ketone), 클로로포름(chloroform), 부틸아세테이트(butyl acetate), 자일렌(xylene), 톨루엔(toluene) 및 테트라하이드로퓨란(THF, tetrahydrofuran)으로 구성된 그룹에서 선택되는 어느 하나 이상인 것을 특징으로 하는 일체형 전도성고분자 바인더조성물.
- 제 1 항에 있어서,상기 유기화합물이 가진 다수의 극성기는 다수의 수산기(multiple hydroxyl group)인 것을 특징으로 하는 일체형 전도성고분자 바인더조성물.
- 제 6 항에 있어서,상기 유기화합물은 D-소르비톨(D-sorbitol), D-프룩토오즈(D-fructose), D-글루코오스(D-glucose), 사카로오즈(saccharose), L-아라비톨(L-arabitol), 자일리톨(xylitol), 말티톨(maltitol), 아이소말트(isomalt), 및 에리쓰리톨(erythritol)로 구성된 그룹에서 선택되는 하나 이상인 것을 특징으로 하는 일체형 전도성고분자 바인더조성물.
- 전도성고분자용액을 준비하는 용액준비단계;상기 준비된 전도성고분자용액에 다수의 극성기를 가진 유기화합물을 첨가하여 전도성고분자 혼합용액을 형성하는 첨가혼합단계; 및상기 혼합용액을 물리적으로 처리하는 단계;를 포함하는 일체형 전도성고분자 바인더조성물 제조방법.
- 제 8 항에 있어서,상기 용액준비단계는 전도성고분자 0.01중량% 내지 60중량% 및 알킬기 치환 방향족 유기산화합물 0.01중량% 내지 60중량%를 나머지 중량의 용매에 용해시키는 것을 특징으로 하는 일체형 전도성고분자 바인더조성물 제조방법.
- 제 9 항에 있어서,상기 전도성고분자는 폴리피롤, 폴리아닐린, 폴리티오펜 및 이들의 유도체로 구성된 그룹에서 선택되는 하나 이상인 것을 특징으로 하는 일체형 전도성고분자 바인더조성물 제조방법.
- 제 9 항에 있어서,상기 알킬기 치환 방향족 유기산화합물은 캄포설폰산(CSA, camphorsulfonic acid), 도데실벤젠설폰산(DBSA, dodecylbenzene sulfonic acid), 폴리스타이렌설폰산(PSS, polystyrenesulfonic acid), p-톨루엔술폰산(p-toluenesulfonic acid: PTSA), 메탄술폰산(methanesulfonic acid: MSA), 나프탈렌 술폰산(naphthalene sulfonic acid: NSA)로 구성된 그룹에서 선택되는 하나 이상을 포함하는 것을 특징으로 하는 일체형 전도성고분자 바인더조성물 제조방법.
- 제 2 항에 있어서,상기 용매는 물 또는 유기용매로서, 상기 유기용매는 N-메틸피롤리돈(NMP, N-methylpyrrolidone), 디메틸설폭시드(DMSO, dimethyl sulfoxide), 디메틸포름아미드(DMF, dimethylformamide), 크레졸(cresol), 메틸에틸케톤(methyl ethyl ketone), 클로로포름(chloroform), 부틸아세테이트(butyl acetate), 자일렌(xylene), 톨루엔(toluene) 및 테트라하이드로퓨란(THF, tetrahydrofuran)으로 구성된 그룹에서 선택되는 어느 하나 이상인 것을 특징으로 하는 일체형 전도성고분자 바인더조성물 조성물 제조방법.
- 제 8 항에 있어서,상기 첨가혼합단계는 상기 준비된 전도성고분자용액 80중량% 내지 99.99중량% 에 다수의 극성기를 가진 유기화합물 0.01중량% 내지 20중량%를 첨가하여 혼합하는 것을 특징으로 하는 일체형 전도성고분자 바인더조성물 조성물 제조방법.
- 제 13 항에 있어서,상기 유기화합물은 D-소르비톨(D-sorbitol), D-프룩토오즈(D-fructose), D-글루코오스(D-glucose), 사카로오즈(saccharose), L-아라비톨(L-arabitol), 자일리톨(xylitol), 말티톨(maltitol), 아이소말트(isomalt), 및 에리쓰리톨(erythritol)로 구성된 그룹에서 선택되는 하나 이상인 것을 특징으로 하는 일체형 전도성고분자 바인더조성물 제조방법.
- 제 1 항 내지 제 7 항 중 어느 한 항의 일체형 전도성고분자 바인더조성물 또는 제 8 항 내지 제 14 항 중 어느 한 항의 제조방법으로 제조된 일체형 전도성고분자 바인더조성물을 포함하는 에너지저장장치.
- 제 15 항에 있어서,상기 에너지저장장치는 슈퍼커패시터인 것을 특징으로 하는 에너지저장장치.
- 제 1 항 내지 제 7 항 중 어느 한 항의 일체형 전도성고분자 바인더조성물 또는 제 8 항 내지 제 14 항 중 어느 한 항의 제조방법으로 제조된 일체형 전도성고분자 바인더조성물로 제조된 감지부를 포함하는 센서.
- 제 18 항에 있어서,상기 감지부는 독성가스를 감지하는 것을 특징으로 하는 센서.
- 제 1 항 내지 제7항 중 어느 한 항의 일체형 전도성고분자 바인더조성물 또는 제 8 항 내지 제 14 항 중 어느 한 항의 제조방법으로 제조된 일체형 전도성고분자 바인더조성물을 유효성분으로 포함하는 부식방지용 코팅조성물.
- 제 19 항의 부식방지용 코팅조성물로 형성된 코팅층을 그 표면에 구비하는 부식방지용 전도성금속제품.
- 제 20 항에 있어서, 상기 코팅층은 0.1 M 황산나트륨(Na2SO4) 전해질에 대해 30% 이상의 부식방어율을 갖는 것을 특징으로 하는 부식방지용 전도성금속제품.
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