CN105670128A - Oxidation-resistant polymer film with memory function - Google Patents
Oxidation-resistant polymer film with memory function Download PDFInfo
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- CN105670128A CN105670128A CN201610211391.0A CN201610211391A CN105670128A CN 105670128 A CN105670128 A CN 105670128A CN 201610211391 A CN201610211391 A CN 201610211391A CN 105670128 A CN105670128 A CN 105670128A
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/14—Copolymers of propene
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- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/018—Dielectrics
- H01G4/20—Dielectrics using combinations of dielectrics from more than one of groups H01G4/02 - H01G4/06
- H01G4/206—Dielectrics using combinations of dielectrics from more than one of groups H01G4/02 - H01G4/06 inorganic and synthetic material
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- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/14—Copolymers of propene
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- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
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- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C08L2203/16—Applications used for films
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- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/10—Peculiar tacticity
- C08L2207/14—Amorphous or atactic polypropylene
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Abstract
The invention discloses an oxidation-resistant polymer film with memory function. The oxidation-resistant polymer film with memory function is prepared from carboxylated graphene oxide, nano silicon dioxide, modified kudzu root starch, nano silver, curcumin, proanthocyanidin, vinyl triguaiacyl trimethoxy silane, epoxy soybean oil, nitrile-butadiene rubber powder, tetramethylsilane, dodecylbenzene sulfonic acid, paraffin oil, meerschaum wool, metallocene polyethylene and a polypropylene random copolymer. The polymer film has the advantages of simple components, low cost, no toxicity, no corrosiveness, no impurity, bright surface, impact resistance and tear resistance, is non-combustible, has favorable service performance, and is green and environment-friendly. The polymer film has low ash content, and can enhance the electric properties and high cleanliness of capacitors. The polymer film has excellent heat resistance, is non-combustible, and has high electrochemical activity. The polymer film has high oxidation resistance and stable performance, and thus, can obviously enhance the user stability and service life of the capacitors. The polymer film has the characteristics of high mechanical properties, acid/alkali resistance, corrosion resistance and high recoverability.
Description
Technical field
The present invention relates to polymer/nanometer thin film technique field, specifically a kind of antioxidation polymer thin film with memory function.
Background technology
Along with the development of China's polypropylene industrial, polypropylene range of application is expanded further, and high-purity, low ash acrylic resin show good application prospect in industries such as medicine, electronic apparatus, weavings; The ash of polypropylene bulk material, metal ion content etc. are proposed the requirement of harshness by particularly capacitor membrane; Since reform and opening-up, capacitor manufacturing industry is turned to inland of China by Japan, Korea S and Taiwan, world's electronic information complete machine manufacturing industry is set up factories in inland of China, multinational corporations's buying of inland of China again, and domestic market complete machine produces required capacitor and increases by a fairly big margin; Capacitor bidirectional stretching polypropylene film has higher mechanical performance and electric property, compared with the capacitor that plain edition thin film prepares, with polypropylene film prepare capacitor is low with its percent thermal shrinkage, stable performance, high temperature resistant, high pressure resistant, prevent remarkable advantages such as puncturing so that the use scope of the capacitor that polypropylene film prepares is more and more wider; Owing to market complete machine is all intended for ultrathin type, microminiature develops, although paper tinsel film composite material current-carrying dielectric capacity is strong, but its shortcoming is volume is unfavorable for that greatly assembling complete machine uses, other disadvantage is that the technique difficulty or ease such as polypropylene screen and aluminium foil compound roll control, particularly because of the difference of both material hard toughness in coiling fuse process, can cause, between film paper tinsel, gap occur, to making, material thermal contraction when sizing is abundant not, cause easily being electrically shocked between film paper tinsel wearing, scrappage is higher, causes cost waste; The preferred aluminum zinc compound substrate membranes of current capacitor film, but zinc non-oxidizability is poor, is easily caused capacitor failure, it is therefore desirable to improve the thin film for aluminum zinc compound substrate membranes, to improve its non-oxidizability, finally ensure quality and the service life of capacitor.
Summary of the invention
It is an object of the invention to provide that a kind of cost is low, stable performance, glossiness are good, good moldability, good in oxidation resistance, long service life, have the antioxidation polymer thin film of memory function, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme:
A kind of antioxidation polymer thin film with memory function, it is made up of the raw material of following weight portion: carboxylated graphene oxide 5-10 part, nano silicon 3-5 part, modified Radix Puerariae starch 4-6 part, nanometer silver 0.2-0.4 part, curcumin 1-2 part, procyanidin 2-3 part, vinyl three base trimethoxy silane 2-5 part, epoxy soybean oil 1-2 part, acrylonitrile-butadiene rubber powder 0.8-1.2 part, tetramethylsilane 0.2-0.5 part, DBSA 1.2-1.5 part, paraffin oil 3-4 part, sepiolite cashmere 2-3 part, metallocene PE 1.0-1.4 part, atactic copolymerized polypropene 10-12 part.
As the further scheme of the present invention: described in there is the antioxidation polymer thin film of memory function, be made up of the raw material of following weight portion: carboxylated graphene oxide 7 parts, nano silicon 4 parts, modified Radix Puerariae starch 5 parts, nanometer silver 0.3 part, curcumin 1 part, procyanidin 2 parts, vinyl three base trimethoxy silane 4 parts, epoxy soybean oil 2 parts, acrylonitrile-butadiene rubber powder 1 part, tetramethylsilane 0.3 part, DBSA 1.4 parts, paraffin oil 3.5 parts, sepiolite cashmere 2.5 parts, metallocene PE 1.2 parts, atactic copolymerized polypropene 11 parts.
As the present invention further scheme: described in there is the preparation method of antioxidation polymer thin film of memory function, comprise the following steps:
1) carboxylated graphene oxide, nano silicon, vinyl three base trimethoxy silane, acrylonitrile-butadiene rubber powder, tetramethylsilane, sepiolite cashmere, metallocene PE, atactic copolymerized polypropene are inserted in reactor, add polymer fluid and catalyst, carry out polyreaction, polymeric reaction temperature is 90-120 DEG C, response time is 2-3 hour, reaction pressure is 2.3-2.8MPa, obtains film forming binder;
2) by modified Radix Puerariae starch, nanometer silver, curcumin, procyanidin, epoxy soybean oil, DBSA, paraffin oil stirring and evenly mixing, process 6 hours under 120 DEG C of conditions, make sizing material;
3) after being mixed with sizing material by base material, extruded die head is extruded, the cooling of the cooled roller successively of the thin film after extrusion, traction stretching, thickness measure, surface corona process, trimming, winding film forming, inspection, warehouse-in.
As the present invention further scheme: described polymer fluid includes organic solvent, 3,4-ethyldioxythiophene, supporting electrolyte, described supporting electrolyte is boron two salicylic acid.
As the present invention further scheme: described in there is the application in preparing capacitor polymeric film of the antioxidation polymer thin film of memory function.
Compared with prior art, the invention has the beneficial effects as follows: polymer thin film component prepared by the present invention is simple, cost is low, nontoxic, corrosion-free, free from admixture, surface-brightening, shock-resistant, anti tear, do not burn, have good serviceability, environmental protection; Ash is low, can improve electric property and the abrasive of capacitor; Excellent heat resistance, does not burn, and has high electrochemical activity; Non-oxidizability is strong, and stable performance can significantly improve capacitor stability in use and service life; Have stronger mechanical performance, acid and alkali-resistance, anticorrosive, easily reclaim.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the technical scheme of this patent is described in more detail.
Embodiment 1
A kind of antioxidation polymer thin film with memory function, is made up of the raw material of following weight portion: carboxylated graphene oxide 5 parts, nano silicon 3 parts, modified Radix Puerariae starch 4 parts, nanometer silver 0.2 part, curcumin 1 part, procyanidin 2 parts, vinyl three base trimethoxy silane 2 parts, epoxy soybean oil 1 part, acrylonitrile-butadiene rubber powder 0.8 part, tetramethylsilane 0.2 part, DBSA 1.2 parts, paraffin oil 3 parts, sepiolite cashmere 2 parts, metallocene PE 1.0 parts, atactic copolymerized polypropene 10 parts.
The preparation method of the described antioxidation polymer thin film with memory function, comprises the following steps:
1) carboxylated graphene oxide, nano silicon, vinyl three base trimethoxy silane, acrylonitrile-butadiene rubber powder, tetramethylsilane, sepiolite cashmere, metallocene PE, atactic copolymerized polypropene are inserted in reactor, add polymer fluid and catalyst, carry out polyreaction, polymeric reaction temperature is 90 DEG C, response time is 2 hours, reaction pressure is 2.3MPa, obtains film forming binder;Described polymer fluid includes organic solvent, 3,4-ethyldioxythiophene, supporting electrolyte, and described supporting electrolyte is boron two salicylic acid;
2) by modified Radix Puerariae starch, nanometer silver, curcumin, procyanidin, epoxy soybean oil, DBSA, paraffin oil stirring and evenly mixing, process 6 hours under 120 DEG C of conditions, make sizing material;
3) after being mixed with sizing material by base material, extruded die head is extruded, the cooling of the cooled roller successively of the thin film after extrusion, traction stretching, thickness measure, surface corona process, trimming, winding film forming, inspection, warehouse-in.
Embodiment 2
A kind of antioxidation polymer thin film with memory function, is made up of the raw material of following weight portion: carboxylated graphene oxide 10 parts, nano silicon 5 parts, modified Radix Puerariae starch 6 parts, nanometer silver 0.4 part, curcumin 2 parts, procyanidin 3 parts, vinyl three base trimethoxy silane 5 parts, epoxy soybean oil 2 parts, acrylonitrile-butadiene rubber powder 1.2 parts, tetramethylsilane 0.5 part, DBSA 1.5 parts, paraffin oil 4 parts, sepiolite cashmere 3 parts, metallocene PE 1.4 parts, atactic copolymerized polypropene 12 parts.
The preparation method of the described antioxidation polymer thin film with memory function, comprises the following steps:
1) carboxylated graphene oxide, nano silicon, vinyl three base trimethoxy silane, acrylonitrile-butadiene rubber powder, tetramethylsilane, sepiolite cashmere, metallocene PE, atactic copolymerized polypropene are inserted in reactor, add polymer fluid and catalyst, carry out polyreaction, polymeric reaction temperature is 120 DEG C, response time is 3 hours, reaction pressure is 2.8MPa, obtains film forming binder; Described polymer fluid includes organic solvent, 3,4-ethyldioxythiophene, supporting electrolyte, and described supporting electrolyte is boron two salicylic acid;
2) by modified Radix Puerariae starch, nanometer silver, curcumin, procyanidin, epoxy soybean oil, DBSA, paraffin oil stirring and evenly mixing, process 6 hours under 120 DEG C of conditions, make sizing material;
3) after being mixed with sizing material by base material, extruded die head is extruded, the cooling of the cooled roller successively of the thin film after extrusion, traction stretching, thickness measure, surface corona process, trimming, winding film forming, inspection, warehouse-in.
Embodiment 3
A kind of antioxidation polymer thin film with memory function, is made up of the raw material of following weight portion: carboxylated graphene oxide 7 parts, nano silicon 4 parts, modified Radix Puerariae starch 5 parts, nanometer silver 0.3 part, curcumin 1 part, procyanidin 2 parts, vinyl three base trimethoxy silane 4 parts, epoxy soybean oil 2 parts, acrylonitrile-butadiene rubber powder 1 part, tetramethylsilane 0.3 part, DBSA 1.4 parts, paraffin oil 3.5 parts, sepiolite cashmere 2.5 parts, metallocene PE 1.2 parts, atactic copolymerized polypropene 11 parts.
The preparation method of the described antioxidation polymer thin film with memory function, comprises the following steps:
1) carboxylated graphene oxide, nano silicon, vinyl three base trimethoxy silane, acrylonitrile-butadiene rubber powder, tetramethylsilane, sepiolite cashmere, metallocene PE, atactic copolymerized polypropene are inserted in reactor, add polymer fluid and catalyst, carry out polyreaction, polymeric reaction temperature is 100 DEG C, response time is 2.5 hours, reaction pressure is 2.5MPa, obtains film forming binder; Described polymer fluid includes organic solvent, 3,4-ethyldioxythiophene, supporting electrolyte, and described supporting electrolyte is boron two salicylic acid;
2) by modified Radix Puerariae starch, nanometer silver, curcumin, procyanidin, epoxy soybean oil, DBSA, paraffin oil stirring and evenly mixing, process 6 hours under 120 DEG C of conditions, make sizing material;
3) after being mixed with sizing material by base material, extruded die head is extruded, the cooling of the cooled roller successively of the thin film after extrusion, traction stretching, thickness measure, surface corona process, trimming, winding film forming, inspection, warehouse-in.
Embodiment 4
A kind of antioxidation polymer thin film with memory function, is made up of the raw material of following weight portion: carboxylated graphene oxide 8 parts, nano silicon 5 parts, modified Radix Puerariae starch 4 parts, nanometer silver 0.2 part, curcumin 1.5 parts, procyanidin 2.5 parts, vinyl three base trimethoxy silane 4 parts, epoxy soybean oil 1 part, acrylonitrile-butadiene rubber powder 1.1 parts, tetramethylsilane 0.3 part, DBSA 1.3 parts, paraffin oil 3 parts, sepiolite cashmere 3 parts, metallocene PE 1.3 parts, atactic copolymerized polypropene 10 parts.
The preparation method of the described antioxidation polymer thin film with memory function, comprises the following steps:
1) carboxylated graphene oxide, nano silicon, vinyl three base trimethoxy silane, acrylonitrile-butadiene rubber powder, tetramethylsilane, sepiolite cashmere, metallocene PE, atactic copolymerized polypropene are inserted in reactor, add polymer fluid and catalyst, carry out polyreaction, polymeric reaction temperature is 100 DEG C, response time is 2 hours, reaction pressure is 2.6MPa, obtains film forming binder; Described polymer fluid includes organic solvent, 3,4-ethyldioxythiophene, supporting electrolyte, and described supporting electrolyte is boron two salicylic acid;
2) by modified Radix Puerariae starch, nanometer silver, curcumin, procyanidin, epoxy soybean oil, DBSA, paraffin oil stirring and evenly mixing, process 6 hours under 120 DEG C of conditions, make sizing material;
3) after being mixed with sizing material by base material, extruded die head is extruded, the cooling of the cooled roller successively of the thin film after extrusion, traction stretching, thickness measure, surface corona process, trimming, winding film forming, inspection, warehouse-in.
Embodiment 5
A kind of antioxidation polymer thin film with memory function, is made up of the raw material of following weight portion: carboxylated graphene oxide 9 parts, nano silicon 5 parts, modified Radix Puerariae starch 6 parts, nanometer silver 0.2 part, curcumin 2 parts, procyanidin 3 parts, vinyl three base trimethoxy silane 4 parts, epoxy soybean oil 2 parts, acrylonitrile-butadiene rubber powder 0.8 part, tetramethylsilane 0.3 part, DBSA 1.3 parts, paraffin oil 4 parts, sepiolite cashmere 2 parts, metallocene PE 1.0 parts, atactic copolymerized polypropene 12 parts.
The preparation method of the described antioxidation polymer thin film with memory function, comprises the following steps:
1) carboxylated graphene oxide, nano silicon, vinyl three base trimethoxy silane, acrylonitrile-butadiene rubber powder, tetramethylsilane, sepiolite cashmere, metallocene PE, atactic copolymerized polypropene are inserted in reactor, add polymer fluid and catalyst, carry out polyreaction, polymeric reaction temperature is 110 DEG C, response time is 3 hours, reaction pressure is 2.5MPa, obtains film forming binder; Described polymer fluid includes organic solvent, 3,4-ethyldioxythiophene, supporting electrolyte, and described supporting electrolyte is boron two salicylic acid;
2) by modified Radix Puerariae starch, nanometer silver, curcumin, procyanidin, epoxy soybean oil, DBSA, paraffin oil stirring and evenly mixing, process 6 hours under 120 DEG C of conditions, make sizing material;
3) after being mixed with sizing material by base material, extruded die head is extruded, the cooling of the cooled roller successively of the thin film after extrusion, traction stretching, thickness measure, surface corona process, trimming, winding film forming, inspection, warehouse-in.
The antioxidation polymer thin film with memory function described in embodiment 1-5, has good serviceability, environmental protection; Ash is low, can improve electric property and the abrasive of capacitor; Excellent heat resistance, does not burn, and has high electrochemical activity; Non-oxidizability is strong, and stable performance can significantly improve capacitor stability in use and service life; Have stronger mechanical performance, acid and alkali-resistance, anticorrosive, easily reclaim, it is adaptable to field of capacitor manufacture.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment, in the ken that one skilled in the relevant art possesses, it is also possible under the premise without departing from this patent objective, make various change.
Claims (5)
1. an antioxidation polymer thin film with memory function, it is characterized in that, it is made up of the raw material of following weight portion: carboxylated graphene oxide 5-10 part, nano silicon 3-5 part, modified Radix Puerariae starch 4-6 part, nanometer silver 0.2-0.4 part, curcumin 1-2 part, procyanidin 2-3 part, vinyl three base trimethoxy silane 2-5 part, epoxy soybean oil 1-2 part, acrylonitrile-butadiene rubber powder 0.8-1.2 part, tetramethylsilane 0.2-0.5 part, DBSA 1.2-1.5 part, paraffin oil 3-4 part, sepiolite cashmere 2-3 part, metallocene PE 1.0-1.4 part, atactic copolymerized polypropene 10-12 part.
2. the antioxidation polymer thin film with memory function according to claim 1, it is characterized in that, be made up of the raw material of following weight portion: carboxylated graphene oxide 7 parts, nano silicon 4 parts, modified Radix Puerariae starch 5 parts, nanometer silver 0.3 part, curcumin 1 part, procyanidin 2 parts, vinyl three base trimethoxy silane 4 parts, epoxy soybean oil 2 parts, acrylonitrile-butadiene rubber powder 1 part, tetramethylsilane 0.3 part, DBSA 1.4 parts, paraffin oil 3.5 parts, sepiolite cashmere 2.5 parts, metallocene PE 1.2 parts, atactic copolymerized polypropene 11 parts.
3. the preparation method according to the arbitrary described antioxidation polymer thin film with memory function of claim 1-2, it is characterised in that comprise the following steps:
1) carboxylated graphene oxide, nano silicon, vinyl three base trimethoxy silane, acrylonitrile-butadiene rubber powder, tetramethylsilane, sepiolite cashmere, metallocene PE, atactic copolymerized polypropene are inserted in reactor, add polymer fluid and catalyst, carry out polyreaction, polymeric reaction temperature is 90-120 DEG C, response time is 2-3 hour, reaction pressure is 2.3-2.8MPa, obtains film forming binder;
2) by modified Radix Puerariae starch, nanometer silver, curcumin, procyanidin, epoxy soybean oil, DBSA, paraffin oil stirring and evenly mixing, process 6 hours under 120 DEG C of conditions, make sizing material;
3) after being mixed with sizing material by base material, extruded die head is extruded, the cooling of the cooled roller successively of the thin film after extrusion, traction stretching, thickness measure, surface corona process, trimming, winding film forming, inspection, warehouse-in.
4. the preparation method of the antioxidation polymer thin film with memory function according to claim 3, it is characterised in that described polymer fluid includes organic solvent, 3,4-ethyldioxythiophene, supporting electrolyte, described supporting electrolyte is boron two salicylic acid.
5. according to the application in preparing capacitor polymeric film of the claim 1-3 arbitrary described antioxidation polymer thin film with memory function.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107805329A (en) * | 2017-10-20 | 2018-03-16 | 福建恒安卫生材料有限公司 | A kind of film composite and preparation method thereof |
| CN109232328A (en) * | 2018-09-29 | 2019-01-18 | 广东丽臣奥威实业有限公司 | A kind of preparation method of anti-oxidant alkyl benzene sulfonate composition |
| CN111789130A (en) * | 2020-07-31 | 2020-10-20 | 江西省农业科学院土壤肥料与资源环境研究所 | Plant growth regulator and application and use method thereof |
| TWI755190B (en) * | 2020-12-07 | 2022-02-11 | 國立中興大學 | Polypyrrole tube and method for producing the same and composite thin film electrode |
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| CN109232328A (en) * | 2018-09-29 | 2019-01-18 | 广东丽臣奥威实业有限公司 | A kind of preparation method of anti-oxidant alkyl benzene sulfonate composition |
| CN111789130A (en) * | 2020-07-31 | 2020-10-20 | 江西省农业科学院土壤肥料与资源环境研究所 | Plant growth regulator and application and use method thereof |
| CN111789130B (en) * | 2020-07-31 | 2021-06-08 | 江西省农业科学院土壤肥料与资源环境研究所 | Plant growth regulator and application and use method thereof |
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