CN106757094B - Aluminum mobile phone battery cover whitens agent and preparation method thereof - Google Patents
Aluminum mobile phone battery cover whitens agent and preparation method thereof Download PDFInfo
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- CN106757094B CN106757094B CN201611117887.8A CN201611117887A CN106757094B CN 106757094 B CN106757094 B CN 106757094B CN 201611117887 A CN201611117887 A CN 201611117887A CN 106757094 B CN106757094 B CN 106757094B
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- sodium
- agent
- mobile phone
- whitens
- battery cover
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 21
- 239000002280 amphoteric surfactant Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- AEQDJSLRWYMAQI-UHFFFAOYSA-N 2,3,9,10-tetramethoxy-6,8,13,13a-tetrahydro-5H-isoquinolino[2,1-b]isoquinoline Chemical compound C1CN2CC(C(=C(OC)C=C3)OC)=C3CC2C2=C1C=C(OC)C(OC)=C2 AEQDJSLRWYMAQI-UHFFFAOYSA-N 0.000 claims abstract description 8
- OQUFOZNPBIIJTN-UHFFFAOYSA-N 2-hydroxypropane-1,2,3-tricarboxylic acid;sodium Chemical compound [Na].OC(=O)CC(O)(C(O)=O)CC(O)=O OQUFOZNPBIIJTN-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000004115 Sodium Silicate Substances 0.000 claims abstract description 8
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000008367 deionised water Substances 0.000 claims abstract description 8
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 8
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 claims abstract description 8
- 235000010234 sodium benzoate Nutrition 0.000 claims abstract description 8
- 239000004299 sodium benzoate Substances 0.000 claims abstract description 8
- 239000000176 sodium gluconate Substances 0.000 claims abstract description 8
- 229940005574 sodium gluconate Drugs 0.000 claims abstract description 8
- 235000012207 sodium gluconate Nutrition 0.000 claims abstract description 8
- 235000019795 sodium metasilicate Nutrition 0.000 claims abstract description 8
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052911 sodium silicate Inorganic materials 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims abstract description 8
- DBVJJBKOTRCVKF-UHFFFAOYSA-N Etidronic acid Chemical compound OP(=O)(O)C(O)(C)P(O)(O)=O DBVJJBKOTRCVKF-UHFFFAOYSA-N 0.000 claims abstract description 6
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims abstract description 6
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 6
- 239000011734 sodium Substances 0.000 claims abstract description 6
- 239000011343 solid material Substances 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 4
- BDMNLOZJFIXXNA-UHFFFAOYSA-N [Na].C(CP(O)(O)=O)P(O)(O)=O Chemical compound [Na].C(CP(O)(O)=O)P(O)(O)=O BDMNLOZJFIXXNA-UHFFFAOYSA-N 0.000 claims 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 16
- 239000004411 aluminium Substances 0.000 abstract description 11
- 238000004512 die casting Methods 0.000 abstract description 9
- 239000002994 raw material Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 5
- 239000000203 mixture Substances 0.000 abstract description 5
- 231100000614 poison Toxicity 0.000 abstract description 4
- 230000007096 poisonous effect Effects 0.000 abstract description 4
- 229940125368 controlled substance Drugs 0.000 abstract description 3
- 239000000599 controlled substance Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000012459 cleaning agent Substances 0.000 description 10
- 239000003921 oil Substances 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 230000002087 whitening effect Effects 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 229910000551 Silumin Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910000570 Cupronickel Inorganic materials 0.000 description 1
- 229910000737 Duralumin Inorganic materials 0.000 description 1
- 206010023126 Jaundice Diseases 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Natural products OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- MEUIXFZVDLEKCF-UHFFFAOYSA-N [Na].OP(=O)(O)C(O)CP(O)(O)=O Chemical compound [Na].OP(=O)(O)C(O)CP(O)(O)=O MEUIXFZVDLEKCF-UHFFFAOYSA-N 0.000 description 1
- -1 alkyl hydroxybenzene Chemical compound 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 1
- 239000011538 cleaning material Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229960003742 phenol Drugs 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 239000010731 rolling oil Substances 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Classifications
-
- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/24—Cleaning or pickling metallic material with solutions or molten salts with neutral solutions
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Detergent Compositions (AREA)
Abstract
The present invention provides a kind of aluminum mobile phone battery cover and whitens agent and preparation method thereof, it is prepared as follows: at normal temperature, first successively by above-mentioned solid material: sodium metasilicate, sodium gluconate, Citric Acid Mono sodium, sodium benzoate, 1-hydroxy ethylidene-1,1-diphosphonic acid sodium raw materials stirring and dissolving are in deionized water, then liquid charging stock triethanolamine, still amphoteric surfactant are added and stir evenly to obtain transparency liquid.It can carry out die casting aluminium material mobile phone battery cover to clean white and have good cleaning effect, raw materials used product formula is environment-friendly type raw material, without environment controlled substance composition, properties of product performance is mild, environment-protecting and non-poisonous, and manufacture craft is simple, it is at low cost, odorlessness, effect is good, effluent no pollution to the environment.
Description
Technical field:
The invention belongs to industrial cleaning agent field in terms of fine chemistry industry, it is related to a kind of aluminum product and whitens agent and preparation method, especially
It is related to a kind of aluminum mobile phone battery cover and whitens agent and preparation method thereof.
Background technique:
One kind of agent category cleaning agent is whitened, there are many product category type of cleaning agent currently on the market, daily life
Cleaning agent is even more innumerable, but is applied to the cleaning agent in terms of aluminium and its alloy or cry and whitens agent and few, to be applied to
It is then less that the cleaning that aluminum mobile phone battery cover whitens agent whitens agent.Such as be applied to stainless steel punching press greasy dirt, foreign white copper punching press greasy dirt,
Cleaning of automobile oil pipe ROLLING OIL etc. etc. is simultaneously few.It is whitened using the metal of existing cleaning agent either aluminium alloy etc.
When agent whitens precision metallic part, bright cleanliness is insufficient on aluminum metal surface after cleaning, and easily jaundice；And to high silicon die casting
After the whitening of aluminium, often appear in high silicon die casting aluminium surface occur blacking, casting skin, graying phenomenon.
With the development of the fining of cleaning agent industry, how a kind of Al-alloy metal cleaning agent is provided, it can be to aluminium
And its metal product such as die casting aluminium material mobile phone battery cover clean it is white, and to cleaning white effect might as well, and to aluminum
It is bright clean, non-yellowing that battery of mobile phone cover piece carries out cleaning rear surface.And it whitens rear high silicon die casting aluminium surface and will not black and graying.
Summary of the invention:
The present invention provides a kind of aluminum mobile phone battery cover and whitens agent and preparation method thereof, can be to die casting aluminium material mobile phone electricity
Chi Gai is carried out cleaning white and is had good cleaning effect, and raw materials used product formula is environment-friendly type raw material, no controlled environment
Matter Composition, properties of product performance is mild, environment-protecting and non-poisonous, and manufacture craft is simple, at low cost, odorlessness, and effect is good, effluent pair
Environmental nonpollution.
The present invention discloses a kind of aluminum mobile phone battery cover and whitens agent, including following mass ratio group is grouped as:
Sodium metasilicate 15-18%, sodium gluconate 1.5-2.5%,
1-hydroxy ethylidene-1,1-diphosphonic acid sodium 2- 4%, sodium benzoate 1.2-1.6%,
Citric Acid Mono sodium 4-6%, triethanolamine 1.0- 3.0%,
Still amphoteric surfactant 4-6%, deionized water are mended to 100%.
Whitening agent described in further is grouped as by following mass ratio group:
Sodium metasilicate 15%, sodium gluconate 2%,
1-hydroxy ethylidene-1,1-diphosphonic acid sodium 3%, sodium benzoate 1.5%,
Citric Acid Mono sodium 5%, triethanolamine 2.0%,
Still amphoteric surfactant 5%, deionized water are mended to 100%.
It is preferred that the still amphoteric surfactant is FC-39 or FC-40.
Aluminum mobile phone battery cover described in another object of the present invention whitens the preparation method of agent, is to make as follows
It is standby: at normal temperature, first successively by above-mentioned solid material: sodium metasilicate, sodium gluconate, Citric Acid Mono sodium, sodium benzoate, hydroxyl
Ethylene-diphosphonic acid sodium raw materials stirring and dissolving is in deionized water, then by liquid charging stock triethanolamine, still amphoteric surfactant
It is added and stirs evenly to obtain transparency liquid.
Stability: observation solution delamination after composition prepared by the present invention is placed 4-6 hour, stabilize to it is not stratified,
Not muddy, shakiness is set to layering or muddiness.
The present invention is had a characteristic that using said components
First is that product of the present invention is a kind of for aluminium and its alloy, including the silumin after sial die casting and sandblasting
The casting skin scale removal on surface, the cleaning of remover, oil removing, whitens comprehensive treatment agent at oil removing, overcomes traditional oil removing, whitens and be divided to two
Kind cleaning agent is cleaned separately the complicated technology disadvantage of processing, is before die casting aluminium mobile phone battery cover sprays pre-treatment, plating on aluminium alloy
Inorganic agent, product can obtain the shiny appearance of excellent combination power after cleaning；
Second is that product of the present invention is that excellent alkalescent oil removing whitens agent, perfect traditional nitric acid, hydrofluoric acid strong acid can be substituted
Property whitening technique, no acid gas generates, discharges without spent acid, do not injure to human body, to environment, to cleaning equipment, to cleaning material
Risk, and reach the without phosphorus discharge of waste water, be conducive to environmental protection；
Third is that this product and aqueous solution are quite stable, and it is nontoxic, it is non-stimulated to skin, it is corrosion-free to silumin,
Nigrescence phenomenon, and recyclable Reusability are not had, it is energy saving, it is low using overall cost；
Fourth is that being formulated raw materials used through this product is environment-friendly type raw material, and no environment controlled substance composition, properties of product
Can be mild, it is environment-protecting and non-poisonous；
Fifth is that this product can in lower temperature conditions, 40 degree or less and it is lower use concentration, 5% cleaning agent concentration of aqueous solution,
Cleaning can reach good quick deoiling and whiten effect, saved the cleaning energy, improved cleaning efficiency, reduce cleaning at
This.
Product of the present invention is water-soluble product, is using deionized water as solvent, odorlessness does not burn, and overcomes tradition
The flammability cleaned with solvent based product, smell weight, and the disadvantage that use cost is high；And product water-soluble is good, dissolution is fast, bubble
Foam is low, antistatic, and energy effective protection die casting aluminium material mobile phone battery cover surface is not corroded while cleaning whitens.
Product of the present invention without induced by alkyl hydroxybenzene surfactant, without chromate, nitrite, phosphate etc. to human body,
It is that ideal environment-friendly type whitens to the poisonous and hazardous controlled substance composition of environment, product property nontoxic to the human body, no pollution to the environment
Agent.
Product of the present invention is detected through Institute of Analysis, Jiangxi Province, and all technical reaches requirement, and every technology refers to
Mark such as the following table 1.
Table 1
Illustrate: 1, the corrosivity (40 DEG C ± 2 DEG C) of product of the present invention, 45 ﹟ steel discs, 0 grade of 4h,
0 grade of duralumin LY12,2h,
0 grade of brass H62,2h；
2, product of the present invention stability is good, and the holding time is long, whitens high-efficient；Product of the present invention refers to through detecting items
Mark reaches requirement.
Specific embodiment: below with reference to embodiment, the present invention is described in further detail.
Embodiment: such as the following table 1
Illustrate: 1, above-mentioned each component of the invention is commercially available.
The various embodiments described above of the invention can be prepared by following methods:: it is at normal temperature, first successively that above-mentioned solid is former
Material: sodium metasilicate, sodium gluconate, Citric Acid Mono sodium, sodium benzoate, 1-hydroxy ethylidene-1,1-diphosphonic acid sodium raw materials stirring and dissolving in without from
In sub- water, then liquid charging stock triethanolamine, still amphoteric surfactant are added and stir evenly to obtain transparency liquid.
Claims (4)
1. a kind of aluminum mobile phone battery cover whitens agent, including following mass ratio group is grouped as:
Sodium metasilicate 15-18%, sodium gluconate 1.5-2.5%,
1-hydroxy ethylidene-1,1-diphosphonic acid sodium 2- 4%, sodium benzoate 1.2-1.6%,
Citric Acid Mono sodium 4-6%, triethanolamine 1.0- 3.0%,
Still amphoteric surfactant 4-6%, deionized water are mended to 100%.
2. aluminum mobile phone battery cover according to claim 1 whitens agent, it is characterized in that being grouped as by following mass ratio group:
Sodium metasilicate 15%, sodium gluconate 2%,
1-hydroxy ethylidene-1,1-diphosphonic acid sodium 3%, sodium benzoate 1.5%,
Citric Acid Mono sodium 5%, triethanolamine 2.0%,
Still amphoteric surfactant 5%, deionized water are mended to 100%.
3. aluminum mobile phone battery cover according to claim 1 whitens agent, it is characterized in that the still amphoteric surfactant
For FC-39 or FC-40.
4. a kind of aluminum mobile phone battery cover according to claim 1 or 2 whitens the preparation method of agent, it is characterized in that by as follows
Method preparation: at normal temperature, first successively by solid material: sodium metasilicate, sodium gluconate, Citric Acid Mono sodium, sodium benzoate, hydroxyl
Base ethylene-diphosphonic acid sodium stirring and dissolving adds in deionized water, then by liquid charging stock triethanolamine, still amphoteric surfactant
Enter and stirs evenly to obtain transparency liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611117887.8A CN106757094B (en) | 2016-12-07 | 2016-12-07 | Aluminum mobile phone battery cover whitens agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611117887.8A CN106757094B (en) | 2016-12-07 | 2016-12-07 | Aluminum mobile phone battery cover whitens agent and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106757094A CN106757094A (en) | 2017-05-31 |
| CN106757094B true CN106757094B (en) | 2019-08-09 |
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| CN201611117887.8A Active CN106757094B (en) | 2016-12-07 | 2016-12-07 | Aluminum mobile phone battery cover whitens agent and preparation method thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107254682A (en) * | 2017-06-23 | 2017-10-17 | 深圳市威通科技有限公司 | Descaling agent |
| CN109440123A (en) * | 2018-11-30 | 2019-03-08 | 佛山市海明威生态科技股份有限公司 | A kind of die casting aluminium smokelessly whitens agent and its preparation |
| CN114875418B (en) * | 2022-04-21 | 2024-06-25 | 深圳市新骏翔科技有限公司 | Neutral aluminum bleaching agent and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102994271B (en) * | 2012-11-15 | 2015-08-19 | 尹艺颖 | A kind of airplane skin scavenger specially and manufacture method thereof |
| WO2015055234A1 (en) * | 2013-10-15 | 2015-04-23 | Ecolab Inc. | Use of an active solid for cleaning and inactivating unconventional infectious agents on surfaces |
| CN105002542A (en) * | 2015-07-20 | 2015-10-28 | 东莞市镁汝澳金属表面处理材料有限公司 | Aluminum or aluminum alloy surface nanoscale treatment process |
| CN105369273A (en) * | 2015-10-15 | 2016-03-02 | 当涂县维思共创工业产品设计有限公司 | Aluminum profile surface cleaning and polishing agent |
| CN105483726A (en) * | 2015-11-30 | 2016-04-13 | 武汉奥克特种化学有限公司 | Efficient low-foam normal-temperature phosphorous-free oil removing liquid |
| CN105908204B (en) * | 2016-06-23 | 2018-10-26 | 十堰恒融实业有限公司 | A kind of aluminum fuel tank surface anticorrosive treatment technology |
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Address after: 336000 No. 39, Chunfeng Road, Yichun Economic and Technological Development Zone, Jiangxi Province Patentee after: Jiangxi Ruisibo New Material Co.,Ltd. Address before: No. 585, Huancheng South Road, Yichun City, Jiangxi Province, 336000 Patentee before: JIANGXI RUISIBO CHEMICAL ENGINEERING Co.,Ltd. |
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Denomination of invention: Whitening agent for aluminum cell phone battery cover and its preparation method Effective date of registration: 20230130 Granted publication date: 20190809 Pledgee: Yichun Branch of China Everbright Bank Co.,Ltd. Pledgor: Jiangxi Ruisibo New Material Co.,Ltd. Registration number: Y2023980031789 |
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Granted publication date: 20190809 Pledgee: Yichun Branch of China Everbright Bank Co.,Ltd. Pledgor: Jiangxi Ruisibo New Material Co.,Ltd. Registration number: Y2023980031789 |