CN108315728A - A kind of anti-corrosion of metal inorganic agent and its application process - Google Patents
A kind of anti-corrosion of metal inorganic agent and its application process Download PDFInfo
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- CN108315728A CN108315728A CN201711396719.1A CN201711396719A CN108315728A CN 108315728 A CN108315728 A CN 108315728A CN 201711396719 A CN201711396719 A CN 201711396719A CN 108315728 A CN108315728 A CN 108315728A
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- corrosion
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- inorganic agent
- metal inorganic
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/34—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides
- C23C22/36—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides containing also phosphates
Abstract
The present invention relates to technical field of anticorrosion, and in particular to a kind of anti-corrosion of metal inorganic agent, anti-corrosion of metal part and preparation method thereof.A kind of anti-corrosion of metal inorganic agent, includes the raw material of following weight percent, and chloric metal-salt 0.1% 2%, phosphate 0.2% 3%, phosphoric acid 0.2% 2%, high molecular polymer 0.2% 2%, surplus is water；The pH of the antiseptic treating agent is 34.Chloric metal-salt, the phosphate of the anti-corrosion of metal inorganic agent of the present invention can form fine and close corrosion protective covering in metallic substrate surface under the action of high molecular polymer, play the effect for preventing metallic substrate surface from corroding, the raw material feature of environmental protection is good, and anticorrosion ability is good.The anti-corrosion of metal inorganic agent of the present invention is directly coated on metallic substrate surface drying, simple for process, the feature of environmental protection is good, and anticorrosion ability is good by the application process of the anti-corrosion of metal inorganic agent of the present invention without preactivated.
Description
Technical field
The present invention relates to technical field of anticorrosion, and in particular to a kind of anti-corrosion of metal inorganic agent and its application process.
Background technology
In order to mitigate or prevent corrosion of metal, most common method is to coat corrosion-inhibiting coating in metal surface, with isolation
Corrosive medium is contacted with metal base.Existing Metal surface anti-corrosion, which mostly uses greatly, carries out at chemistry metal base containing chromate etc.
Reason forms one layer of fine and close chemical passivation film in metallic substrate surface and achievees the purpose that protection metal, general technology flow include：
Degreasing-washing-passivation-washing-drying etc., complex process, while generating the industrial wastewater containing heavy metal ion, inadequate ring
It protects.
Invention content
In order to overcome shortcoming and defect existing in the prior art, it is anti-that one of the objects of the present invention is to provide a kind of metals
Rotten inorganic agent, the feature of environmental protection is good, favorable anti-corrosion effect.
The second object of the present invention is to provide a kind of application process of anti-corrosion of metal inorganic agent, simple for process, convenient for production
Industry metaplasia is produced.
An object of the present invention is achieved through the following technical solutions：A kind of anti-corrosion of metal inorganic agent, including following weight
The raw material of percentage,
The pH of the antiseptic treating agent is 3-4.
Chloric metal-salt, which provides fluorine ion and metal ion, fluorine ion, makes the stabilization of anti-corrosion of metal inorganic agent of the present invention, metal
Ion forms one layer of dense protective layer, as corrosion protective covering under the action of high molecular polymer on the surface of metal base,
High molecular polymer has preferable viscosity so that forms corrosion protective covering and is not easy to fall off from metallic substrate surface, plays more
Good anti-corrosion protection effect is further obtained if the content of chloric metal-salt is less than 0.1% with the anti-corrosion of metal inorganic agent of gained
Corrosion protective covering corrosion resistance it is poor, if the content of chloric metal-salt be more than 2%, will produce the endless fully dissolved of metal salt
Or the problem that metal salt concentrations are excessively high；The content of high molecular polymer is less than 0.2%, then is not easy in metallic substrate surface shape
At the corrosion protective covering of required thickness, so that it cannot reach the corrosion resistance of corrosion-inhibiting coating provided by the present invention or anti-corrosion part
Can, if the content of high-molecular compound is higher than 2%, the appearance of protective layer therefrom can be more muddy, so as to cause
The appearance of obtained anti-corrosion part is obviously deteriorated；The presence of phosphoric acid can adjust the pH value of the anti-corrosion of metal inorganic agent of the present invention,
It is 3-4 to make its pH, while the presence of a small amount of phosphoric acid can improve the viscosity on the surface of high molecular polymer and metal base；When this
When the pH of invention anti-corrosion of metal inorganic agent is more than 4, the corrosion protective covering and metal that are obtained by anti-corrosion of metal inorganic agent of the present invention are prevented
The corrosion resistance of rotten part is not good enough, so that it cannot reach the resistance to of corrosion protective covering or anti-corrosion of metal part provided by the present invention
Corrosive nature.
Preferably, the chloric metal-salt is one or more of zirconium fluoride, charomic fluoride and hafnium fluoride.The present invention passes through choosing
To select chloric metal-salt be one or more of zirconium fluoride, charomic fluoride and hafnium fluoride, and the chloric metal-salt that the present invention selects is in water
Solubility is relatively low, avoids introducing other excessive metal ions in metal surface, and solubility is low, can be in high molecular polymerization
One layer of fine and close corrosion protective covering is formed in metallic substrate surface under the action of object, more preferably, the metal salt is fluorination
Chromium.The cerium fluoride that weight percent is 0.1%-0.3% can also be more preferably added in anti-corrosion of metal inorganic agent, into one
Step introduces fluorine ion, improves the stability of anti-corrosion of metal inorganic agent of the present invention.
Preferably, the phosphate is one or more of basic zirconium phosphate, chromium phosphate and phosphoric acid hafnium.The phosphorus that the present invention selects
Hydrochlorate, metal ion is consistent with the metal ion of fluoride salt, avoids and introduces other metal ions, reduces the stabilization of solution
Property, chloric metal-salt, phosphate and phosphoric acid are used to coordinate high molecular polymer to form fine and close anti-corrosion on the surface of metal base and protect
Sheath.
Preferably, the high molecular polymer is polytetrafluoroethylene (PTFE), polyacrylate, epoxy resin, phenolic resin and gathers
One or more of acid imide.The present invention, can be quickly in metallic substrate surface shape by selecting the above high molecular polymer
At protective film, and there is stronger cementability between metal base, will not fall off.More preferably, high molecular polymer is ring
Oxygen resin, phenolic resin and polyimides are 1-2 according to mass ratio:1-3:1 compounds.
Preferably, the anti-corrosion of metal inorganic agent further includes the surfactant of 0.05%-2.0%, the surface-active
Agent is one or more of nonionic surfactant, anion surfactant and zwitterionic surfactant.
The nonionic surfactant in the present invention is polyoxyethylene non-ionic surfactant, polyol type is non-
Ionic surface active agent, alkylolamides type nonionic surfactant, fluorine carbon type nonionic surfactant, organic silicon type are non-
One or more of ionic surface active agent and modified organic silicon type nonionic surfactant；The anion surface active
Agent is carboxylic acid type anion surfactant, sulfonate type anion surfactant, the work of sulfuric ester salt form anionic surface
Property one or more of agent and phosphate salt form anion surfactant；The zwitterionic surfactant is amino acid
Type zwitterionic surfactant, betaine type amphoteric ionic surface active agent and imidazoline type zwitterionic surfactant
It is one or more of.By being added above surfactant in the present invention, the high molecular polymer for being and chloric metal-salt, phosphate and
Metallic substrate surface has preferably viscosity, and one layer of fine and close corrosion protective covering further is made on the surface of metal base.More
To be preferred, it according to weight ratio is 1-3 that the surfactant, which is nonionic surfactant, anion surfactant,:1 is multiple
With into specific nonionic surfactant is polyoxyethylene non-ionic surfactant, polyol type non-ionic surface
Activating agent and fluorine carbon type nonionic surfactant are 2-3 according to mass ratio:1-3:1 compounds；The anionic surface is lived
It according to mass ratio is 2-3 that property agent, which is carboxylic acid type anion surfactant and phosphate salt form anion surfactant,:1 compounding
It forms.
Preferably, the anti-corrosion of metal inorganic agent further includes the polyethylene glycol that weight percent is 0.5%-3%, described poly-
The molecular weight ranges of ethylene glycol are 400-2000.
The Surface hardened layer efficiency that the present invention reduces the anti-corrosion of metal processing agent solution of the present invention by adding polyethylene glycol, and
The solubility that chloric metal-salt can further be regulated and controled according to the molecular weight ranges of the polyethylene glycol of addition and weight percent, obtains
It is suitble to the anti-corrosion of metal inorganic agent of the chloric metal-salt of solubility, more preferably, the molecular weight of polyethylene glycol is 800-1200, adds
Dosage is 0.8-1%.
The preparation method of the anti-corrosion of metal inorganic agent of the present invention includes the following steps：
(1) first phosphate and phosphoric acid are added to the water, are stirred evenly；
(2) chloric metal-salt is added in the solution that step (1) obtains, is stirred evenly；
(3) polyethylene glycol is added in the solution that step (2) obtains, is stirred evenly；
(4) high molecular polymer and surfactant are added in the solution that step (3) obtains, stir evenly to get to
The anti-corrosion of metal inorganic agent of the present invention.
Wherein, the temperature in step (1) is 25-30 DEG C, mixing speed 500-1000r/min；Temperature in step (2)
It is 45-60 DEG C, mixing speed 1000-2000r/min；Temperature is 50-65 DEG C in step (3), mixing speed 1000-
2000r/min；Step, 4) temperature in is 25-35 DEG C, mixing speed 800-1500r/min.Step suitably heats up in (2),
And mixing speed is very fast, is conducive to the solubility for improving chloric metal-salt；In step (3), polyethylene glycol is added, for further
Adjust the solubility of chloric metal-salt；In step (3), high molecular polymer is added and reduces solution temperature, and reduces mixing speed,
Keep the mixture of substances such as high molecular polymer and chloric metal-salt uniform, is conducive to the anti-corrosion of metal inorganic agent of the present invention in Metal Substrate
Material surface forms fine and close corrosion protective covering.
The second object of the present invention is achieved through the following technical solutions：A kind of application process of anti-corrosion of metal inorganic agent, will
The anti-corrosion of metal inorganic agent is coated on the surface of metal base, and forming anti-corrosion on the surface of the metal base after dry protects
Sheath.
The corrosion protective covering is by coating of the anti-corrosion of metal inorganic agent through being dried to obtain of the present invention, the anti-corrosion protection
Layer is not aqueous completely or partially, preferred all not aqueous and other organic solvents.The corrosion protective covering has good resistance to
Corrosive nature.The corrosion protective covering can have any thickness as needed, such as thickness range can be 100-1000nm,
Either 200-800nm or 300-600nm.
Preferably, the coating process is：Dip-coating coating, spraying coating, roller coating coating and brush coating in one kind or
It is a variety of.The present invention only needs the anti-corrosion of metal inorganic agent of the present invention are coated on metal base table by way of coating
Face, easy to operate, equipment is simple, and production cost is low, is suitable for production and promotes.
Preferably, the drying temperature is 150 DEG C -250 DEG C.The selection of the drying temperature of the present invention can be in a short time
By the anti-corrosion of metal inorganic agent drying coated on metal base, and it is avoided that the failures such as the high molecular polymer in raw material, more
Preferably, drying temperature is 150 DEG C -200 DEG C.
Preferably, the base material is one or more of stainless steel substrate, aluminium base, aluminum alloy base material.It is more highly preferred to
, base material is aluminium base, and anti-corrosion of metal inorganic agent of the invention is mainly for the treatment of lithium battery Soft Roll film.
Preferably, before metallic substrate surface coating metal antiseptic treating agent, first use alcohol to metallic substrate surface into
Row cleaning.The grease or other pollutants that metallic substrate surface is removed using alcohol prevent the formation for influencing corrosion protective covering.
The beneficial effects of the present invention are：Chloric metal-salt, the phosphate of the anti-corrosion of metal inorganic agent of the present invention being capable of high scores
Fine and close corrosion protective covering is formed under the action of sub- polymer in metallic substrate surface, playing prevents metallic substrate surface corrosion
Effect, the raw material feature of environmental protection is good, and anticorrosion ability is good.
The application process of the anti-corrosion of metal inorganic agent of the present invention, without preactivated, directly by the anti-corrosion of metal of the present invention
Inorganic agent is coated on metallic substrate surface drying, and simple for process, the feature of environmental protection is good, and anticorrosion ability is good.
Specific implementation mode
For the ease of the understanding of those skilled in the art, with reference to embodiment, the present invention is further illustrated, real
The content that the mode of applying refers to not is limitation of the invention.
Embodiment 1
Anti-corrosion of metal inorganic agent includes the raw material of following weight percent：Zirconium fluoride 0.3%, basic zirconium phosphate 0.6%, phosphoric acid
0.5%, polyacrylate 0.5%, surplus is water；Above-mentioned anti-corrosion of metal inorganic agent is coated on Al foil substrate surface,
5min is dried at 180 DEG C to get to the anti-corrosion of metal part of the present embodiment.
Embodiment 2
Anti-corrosion of metal inorganic agent includes the raw material of following weight percent：Charomic fluoride 2%, chromium phosphate 3%, phosphoric acid 2%, phenol
Aldehyde resin 2%, surplus are water；Above-mentioned anti-corrosion of metal inorganic agent roller coating is coated on stainless steel substrate surface, is dried at 250 DEG C
5min is to get to the anti-corrosion of metal part of the present embodiment.
Embodiment 3
Anti-corrosion of metal inorganic agent includes the raw material of following weight percent：Hafnium fluoride 0.1%, phosphoric acid hafnium 0.2%, phosphoric acid
0.2%, polytetrafluoroethylene (PTFE) 0.2%, surplus is water；Above-mentioned anti-corrosion of metal inorganic agent dip-coating is coated on aluminum alloy base material table
5min is dried to get to the anti-corrosion of metal part of the present embodiment in face at 150 DEG C.
Embodiment 4
Anti-corrosion of metal inorganic agent includes the raw material of following weight percent：Charomic fluoride 1%, chromium phosphate 1.5%, phosphoric acid
1.2%, high molecular polymer 2%, high molecular polymer is 1 according to mass ratio by epoxy resin, phenolic resin and polyimides:
1:1 compounds, and surplus is water；Above-mentioned anti-corrosion of metal inorganic agent is coated on spray painting substrate surface, is dried at 180 DEG C
5min is to get to the anti-corrosion of metal part of the present embodiment.
Embodiment 5
Anti-corrosion of metal inorganic agent includes the raw material of following weight percent：Zirconium fluoride 0.3%, basic zirconium phosphate 0.6%, phosphoric acid
0.5%, polyacrylate 0.5%, surfactant 0.05%, wherein surfactant be nonionic surfactant, the moon
Ionic surface active agent is 1 according to weight ratio:1 compounds, specific nonionic surfactant be polyoxyethylene-type it is non-from
Sub- surfactant, polyol-based non-ionic surfactant and fluorine carbon type nonionic surfactant are 2 according to mass ratio:1:
1 compounds；The anion surfactant is carboxylic acid type anion surfactant and phosphate salt form anion table
Face activating agent is 2 according to mass ratio:1 compounds, polyethylene glycol 0.5%, and the molecular weight ranges of the polyethylene glycol are 400-
800, surplus is water；Above-mentioned anti-corrosion of metal inorganic agent is coated on Al foil substrate surface, 5min is dried at 180 DEG C, i.e.,
Obtain the anti-corrosion of metal part of the present embodiment.
Embodiment 6
Anti-corrosion of metal inorganic agent includes the raw material of following weight percent：Charomic fluoride 1%, chromium phosphate 1.5%, phosphoric acid
1.2%, high molecular polymer 2%, high molecular polymer is 1 according to mass ratio by epoxy resin, phenolic resin and polyimides:
1:1 compounds, surfactant 2.0%, and the surfactant is nonionic surfactant, anion surfactant
It is 3 according to weight ratio:1 compounds, and specific nonionic surfactant is polyoxyethylene non-ionic surfactant, more
First alcohol type nonionic surfactant and fluorine carbon type nonionic surfactant are 3 according to mass ratio:3:1 compounds；It is described
Anion surfactant is that carboxylic acid type anion surfactant and phosphate salt form anion surfactant shine quality
Than being 3:1 compounds, polyethylene glycol 3%, and the molecular weight ranges of the polyethylene glycol are 800-2000, and surplus is water；It will be upper
The anti-corrosion of metal inorganic agent stated is coated on spray painting substrate surface, and 5min is dried at 180 DEG C to get to the metal of the present embodiment
Anti-corrosion part.
Embodiment 7
The anti-corrosion of metal part obtained in embodiment 1 and nylon and CPP are combined to the aluminum-plastic composite membrane of lithium battery.
The present invention mainly tests the Corrosion Protection of assessment anti-corrosion of metal part by salt spray resistance.
Anti-corrosion of metal part in embodiment 1-6 is subjected to salt spray test, concrete operations are anti-in above-mentioned metal with blade
A "×" is drawn on rotten part surface, is put into salt fog cabinet, and salt spray test is carried out.
Salt spray test is carried out according to ASTM B117.It takes out within every 10 hours, is first cleaned up with clear water, then use compressed air
Whether drying, visual observations have more than whether the corrosion of 2mm or corrosion-inhibiting coating have rust staining along "×" notching edge, or anti-
Rotten coating is no peeling.If any of the above described one kind happens, stop testing, and records total testing time；If on not
It states any type to happen, then continues salt spray test, reach 1000 hours until total testing time, and record total survey
It is 1000 hours to try the time.If such as taking-up in 30 hours does not have peeling, has peeling when taking out within 40 hours, then salt-fog resistant time records
It is 40 hours.If the salt spray resistance time of certain the anti-corrosion part measured is greater than or equal to 250 hours, illustrate that the anti-corrosion part has
Good salt spray resistance, specific effect of testing are shown in Table 1.
Table 1, the test result of the milk salt fog performance of anti-corrosion of metal part in embodiment 1-6.
As shown in Table 1, according to anti-corrosion of metal part made from embodiment 1-6, salt-fog resistant time can reach 250 hours with
On, it is minimum also to reach 800 hours, therefore the anti-corrosion of metal part involved in embodiment 1-6 has good salt spray resistance, prevents
Corrosive effect is good.
By the aluminum plastic film obtained in embodiment 7 after aqueous electrolyte carries out the corrosion of 48h at 85 DEG C, find aluminium foil with
CPP adhesion strengths are still fine, illustrate that the aluminum plastic film that embodiment 7 obtains has good anti-HF effects.
Above-described embodiment is the preferable implementation of the present invention, and in addition to this, the present invention can be realized with other manner,
Any obvious replacement is not departed under the premise of present inventive concept within protection scope of the present invention.
Claims (10)
1. a kind of anti-corrosion of metal inorganic agent, it is characterised in that：Include the raw material of following weight percent,
The pH of the antiseptic treating agent is 3-4.
2. anti-corrosion of metal inorganic agent according to claim 1, it is characterised in that：The chloric metal-salt is zirconium fluoride, fluorination
One or more of chromium and hafnium fluoride.
3. anti-corrosion of metal inorganic agent according to claim 1, it is characterised in that：The phosphate is basic zirconium phosphate, chromium phosphate
One or more of with phosphoric acid hafnium.
4. anti-corrosion of metal inorganic agent according to claim 1, it is characterised in that：The high molecular polymer is polytetrafluoroethyl-ne
One or more of alkene, polyacrylate, epoxy resin, phenolic resin and polyimides.
5. anti-corrosion of metal inorganic agent according to claim 1, it is characterised in that：The anti-corrosion of metal inorganic agent further includes weight
The surfactant that percentage is 0.05%-2.0% is measured, the surfactant is nonionic surfactant, anion table
One or more of face activating agent and zwitterionic surfactant.
6. anti-corrosion of metal inorganic agent according to claim 1, it is characterised in that：The anti-corrosion of metal inorganic agent further includes weight
The polyethylene glycol that percentage is 0.5%-3% is measured, the molecular weight ranges of the polyethylene glycol are 400-2000.
7. a kind of application process of anti-corrosion of metal inorganic agent, it is characterised in that：By the metal described in any one of claim 1-6
Antiseptic treating agent is coated on the surface of metal base, and corrosion protective covering is formed on the surface of the metal base after drying.
8. the application process of anti-corrosion of metal inorganic agent according to claim 7, it is characterised in that：The coating process is：
It is one or more in dip-coating coating, spraying coating, roller coating coating and brushing coating.
9. the application process of anti-corrosion of metal inorganic agent according to claim 7, it is characterised in that：The drying temperature is
150℃-250℃。
10. the application process of anti-corrosion of metal inorganic agent according to claim 7, it is characterised in that：In metallic substrate surface
Before coating metal antiseptic treating agent, first metallic substrate surface is cleaned using alcohol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711396719.1A CN108315728B (en) | 2017-12-21 | 2017-12-21 | Metal anticorrosion treating agent and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711396719.1A CN108315728B (en) | 2017-12-21 | 2017-12-21 | Metal anticorrosion treating agent and application method thereof |
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| CN108315728B CN108315728B (en) | 2020-04-28 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113481494A (en) * | 2021-07-01 | 2021-10-08 | 深圳市中科墨磷科技有限公司 | Metal material anticorrosion treating agent and application thereof |
| CN115101862A (en) * | 2022-06-10 | 2022-09-23 | 江苏睿捷新材料科技有限公司 | Corrosion-resistant metal-plastic composite film |
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| CN113481494A (en) * | 2021-07-01 | 2021-10-08 | 深圳市中科墨磷科技有限公司 | Metal material anticorrosion treating agent and application thereof |
| CN115101862A (en) * | 2022-06-10 | 2022-09-23 | 江苏睿捷新材料科技有限公司 | Corrosion-resistant metal-plastic composite film |
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| CN108315728B (en) | 2020-04-28 |
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Effective date of registration: 20230920 Address after: 411100 High tech Industrial Development Zone, Shaoshan City, Xiangtan City, Hunan Province (Building 2, No. 28 Jingui Road) Patentee after: Hunan Besterui New Material Technology Co.,Ltd. Address before: 410600 No. 020 Jinshui West Road, Ningxiang High tech Industrial Park, Changsha City, Hunan Province Patentee before: HUNAN XINNENG NEW MATERIAL CO.,LTD. |