CN105132917A - Two-acid yellow-fume-free polishing additive and polishing solution - Google Patents
Two-acid yellow-fume-free polishing additive and polishing solution Download PDFInfo
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- CN105132917A CN105132917A CN201510632295.9A CN201510632295A CN105132917A CN 105132917 A CN105132917 A CN 105132917A CN 201510632295 A CN201510632295 A CN 201510632295A CN 105132917 A CN105132917 A CN 105132917A
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Abstract
The invention discloses a two-acid yellow-fume-free polishing additive. The polishing additive comprises 15-35 parts of ethylene thiourea, 25-45 parts of benzotriazole, 10-15 parts of ferric sulfate, 1-5 parts of nickel sulfate, 20-40 parts of ammonium molybdate and 5-15 parts of sodium molybdate. By adopting a polishing process with the two-acid yellow-fume-free polishing additive, yellow fume of nitric oxide and other gaseous pollutants cannot be produced, and the components of the polishing additive are environmentally friendly; the surface glossiness of a polished product is more than 700 degrees, the glossiness is uniform, and the mirror effect is quite good; the requirement for the polishing temperature is low, little energy is consumed, energy is saved, and the environment is protected.
Description
Technical field
The present invention relates to technical field of metal surface processing, particularly a kind of two acid are without tobacco polishing additive and based on its polishing fluid.
Background technology
Rumbling compound, be commonly called as brightening agent, faint yellow or yellow transparent liquid preparation, be applicable to various metal or alloy goods and carry out polishing, constantly to develop the preparation for unlike material according to the market requirement, such as, have stainless steel polishing agent, magnesium alloy rumbling compound, copper rumbling compound, aluminium alloy rumbling compound, glass polishing powder, study intensively polishing powder etc.Along with metal or alloy is applied more and more extensive in daily life, metal or alloy product needed carries out processing to obtain more beautiful outward appearance, and in automatic production process, the general surface treatment method adopting chemical rightenning.Traditional polishing additive needs three acidifying optical polishing formulas, containing nitric acid, nitrate radical or nitrite anions, its composition causes serious harm to environment, and produce smoke and smell when carrying out polishing operation, and even produce toxic gas, very large to human injury, production technique needs to increase purification equipment, production cost is higher, and the temperature that polishing operation needs is high, and power consumption is large.The domestic and international formula of the research for the Acid-Fog-Free Chemical Polishing Technology for aluminum alloy surface polishing adopts the combination of phosphoric acid, sulfuric acid and polishing additive mostly at present, or adopts phosphoric acid, sulfuric acid, Al
3+with the combination of polishing additive, but still there are some shortcomings with not enough in prior art polishing additive, the problems such as the bath maintenance of such as polishing additive is complicated, polishing glossiness is not high or uneven.
Summary of the invention
Mirror, with this, the object of the invention is to propose a kind of two acid without tobacco polishing additive, has the polishing performance of significant high glossiness and mirror effect, and energy-conserving and environment-protective.Another object of the present invention is also to propose a kind of two acid based on above-mentioned polishing additive without tobacco polishing fluid.
Technical scheme of the present invention is achieved in that
A kind of two acid are without tobacco polishing additive, and its composition calculates by weight, comprising:
Further, its composition calculates by weight, comprising:
Further, the weight part ratio of ethylene thiourea and benzotriazole is 2/3 to 3/4.
Further, 25 DEG C time the scope of tap density be 0.8 ~ 1.2g/mL.
A kind of two acid are without tobacco polishing fluid, its composition is calculated by mass percentage, comprise: two acid are without tobacco polishing additive 3 ~ 12%, phosphoric acid 30 ~ 58%, sulfuric acid 21 ~ 36% and aluminium bits 5 ~ 12%, surplus is water, described two acid without tobacco polishing additive for two described in any one of Claims 1-4 are sour without tobacco polishing additive.
Further, phosphoric acid is 7/3 with the content ratio of sulfuric acid.
Compared with prior art, beneficial effect of the present invention is:
Adopt the present invention two acid can not produce oxynitride tobacco and other gas pollutants without the glossing of tobacco polishing additive, smokeless odorlessness, also can not produce toxic gas, and its composition is environmentally friendly; Product surface glossiness after polishing is more than 700 degree, and glossiness is even, and mirror effect is very good; Polishing operation temperature requirement is lower, and power consumption is few, energy-conserving and environment-protective.
Embodiment
For being clearly and completely described the technical scheme in the present invention, obviously, contriver is described in conjunction with the embodiments, but described by following examples is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
A kind of two acid are without tobacco polishing additive, and its composition calculates by weight, comprising:
Wherein, ethylene thiourea plays corrosion inhibition in polishing additive of the present invention; namely metallic surface can be adsorbed on; change charge distribution and the interface performance of metallic surface on the one hand; make the tending towards stability of energy state of metallic surface, corrosion speed is slowed down, its non-polar group forms layer protecting film in metallic surface on the other hand; hinder the further oxidized corrosion in metallic surface, thus play the effect of inhibiter.Benzotriazole has also been corrosion inhibition in polishing additive of the present invention, is combined with atoms metal by covalent linkage and coordinate bond, forms insoluble composite membrane in metallic surface, stops metal ion to be dissolved in water, corrosion speed is slowed down.The present invention utilizes the synergistic corrosion inhibition of benzotriazole and ethylene thiourea, prevents excessive inhibition and affects polishing performance.Ferric sulfate plays oxygenizement in polishing additive of the present invention, generates oxide film in metallic surface.Single nickel salt can increase the luminance brightness of metal after polishing in glossing.Ammonium molybdate and Sodium orthomolybdate, be oxygenant and etchant.
During use, two acid form without the groove of joining of tobacco polishing additive, and namely two acid are without tobacco polishing fluid, calculate by mass percentage, comprise two acid without tobacco polishing additive 6%, phosphatase 24 9%, sulfuric acid 21% and aluminium bits 12%, add water and stir.Carry out polished finish to aluminium, polish temperature 80 ~ 110 DEG C, polishing time 60 ~ 360s, dripping time 30 ~ 120s, after polishing, product average gloss is 780 degree, and glossiness is even, and mirror effect is fine.
Embodiment 2 to embodiment 5
Two acid of embodiment 2 to embodiment 5 are as shown in table 1 without product glossiness performance after the composition content of tobacco polishing additive and polishing thereof, in embodiment 2 to embodiment 5, two acid without the polishing fluids of tobacco polishing additive join groove form and polishing technological conditions all identical with embodiment 1.
Table 1 liang sour composition content without tobacco polishing additive and polishing performance thereof
Two acid that the present invention obtains are light yellow to red blended solid powder without tobacco polishing additive outward appearance; The scope of tap density when 25 DEG C is 0.8 ~ 1.2g/mL.As can be seen from Table 1, the polishing product average gloss using the present invention two acid to obtain without tobacco polishing additive is more than 700 degree, glossiness is even, mirror effect is fine, especially when the weight part ratio of ethylene thiourea/benzotriazole is between 2/3 to 3/4, glossiness is best, and mirror effect is better.In order to make comparisons, when the inhibition optical brighteners such as use vanadic acid sodium, sodium wolframate or primary zinc phosphate replace ethylene thiourea and benzotriazole, when other conditions are constant, the polishing product average gloss obtained only can reach 650 degree, this is because vanadic acid sodium, sodium wolframate or primary zinc phosphate etc. exist, indissoluble enters, the easy defect such as precipitation, have impact on the luster performance of polishing product.The present invention two acid contains inhibiter, oxygenant, brightener and etchant without tobacco polishing additive, the effect of each component and synergy thereof, makes the present invention two acid have significant polishing performance without tobacco polishing additive.And common polishing additive is only containing inhibiter, do not have oxygenant, only have leveling effect not have enhanced shine, polishing effect is poor.
Embodiment 6 to embodiment 9
Two acid without tobacco polishing fluid join groove form content and polishing thereof after product glossiness performance as shown in table 2, wherein, two acid used without the compositions of tobacco polishing additive and content all identical with embodiment 1, the phosphoric acid concentration used is 80 ~ 85%, sulfuric acid concentration is 95 ~ 98%, and polishing technological conditions is all identical with embodiment 1.
Table 2 liang sour composition content without tobacco polishing fluid and polishing performance thereof
As can be seen from Table 2, use the present invention two acid to be more than 700 degree without the polishing product average gloss of joining groove acquisition of tobacco polishing fluid, glossiness is even, mirror effect is fine, especially, when the weight ratio of phosphoric acid/sulfuric acid is 7/3, glossiness is best, and mirror effect is best.If polishing additive content is too much or very few, polishing product surface luminance brightness will not or brightless; If sulfuric acid content is too high, after polishing, product local easily occurs vaporific; If aluminium bits deficiency also easily occurs pit, it is uneven that excess moisture also there will be surface-brightening.Therefore, two acid are very important without the tank liquor proportioning of tobacco polishing fluid.Compare similar two sour polishing fluids, not containing nitric acid, nitrate radical or nitrite anions, the oxynitride tobacco do not had after polishing and other gas pollutants, its composition is environmentally friendly.This two acid is fairly simple without the bath maintenance of tobacco polishing fluid: (1) only when tank liquor liquid level declines, need suitably add phosphoric acid, sulfuric acid, polishing additive and water in joining groove ratio; (2) without the need to often analyzing tank liquor, only needing week about or analyzing when going wrong phosphoric acid, sulfuric acid, the water content of tank liquor, and being adjusted in parameter area.
Two acid provided by the invention without tobacco polishing additive for replacing the nitric acid in tradition " three sour " glossing, in phosphoric acid, sulfuric acid, add the present invention two acid can use without tobacco polishing additive and aluminium bits, any obnoxious flavour can not be produced in polishing process, polishing effect and traditional " three acid " glossing compare favourably, even surmount " three acid " glossing, and its polishing when producing temperature requirement lower than the temperature of " three acid " polishing, consume energy lower than " three acid " glossing, energy-conserving and environment-protective.The present invention two acid is mainly applicable to the aluminiums such as sand face, wire drawing, light face, machine throwing polishing without tobacco polishing additive is produced, and the aluminium after polishing has high glossiness and mirror effect.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. two acid are without a tobacco polishing additive, and it is characterized in that, its composition calculates by weight, comprising:
2. two acid according to claim 1 are without tobacco polishing additive, and it is characterized in that, its composition calculates by weight, comprising:
3. two acid according to claim 1 are without tobacco polishing additive, and it is characterized in that, the weight part ratio of ethylene thiourea and benzotriazole is 2/3 to 3/4.
4. two acid according to claim 1 are without tobacco polishing additive, and it is characterized in that, the scope of tap density when 25 DEG C is 0.8 ~ 1.2g/mL.
5. an acid is without tobacco polishing fluid, it is characterized in that, its composition is calculated by mass percentage, comprise: two acid are without tobacco polishing additive 3 ~ 12%, phosphoric acid 30 ~ 58%, sulfuric acid 21 ~ 36% and aluminium bits 5 ~ 12%, surplus is water, described two acid without tobacco polishing additive for two described in any one of Claims 1-4 are sour without tobacco polishing additive.
6. two acid according to claim 5 are without tobacco polishing fluid, and it is characterized in that, phosphoric acid is 7/3 with the content ratio of sulfuric acid.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510632295.9A CN105132917B (en) | 2015-09-28 | 2015-09-28 | Two acid are without tobacco polishing additive and polishing fluid |
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| CN201510632295.9A CN105132917B (en) | 2015-09-28 | 2015-09-28 | Two acid are without tobacco polishing additive and polishing fluid |
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| CN105132917A true CN105132917A (en) | 2015-12-09 |
| CN105132917B CN105132917B (en) | 2018-01-05 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105525293A (en) * | 2016-01-29 | 2016-04-27 | 广州欧邦联合建材有限公司 | Aluminum alloy polishing additive and preparation method thereof |
| CN105734574A (en) * | 2016-03-18 | 2016-07-06 | 博罗县东明化工有限公司 | Polishing solution |
| CN105780007A (en) * | 2016-05-25 | 2016-07-20 | 佛山市海化表面处理科技有限公司 | Polishing bath of aluminium material and production technology of aluminium material |
| CN106086908A (en) * | 2016-07-19 | 2016-11-09 | 东莞市凯盟表面处理技术开发有限公司 | A kind of copper material pickling polishing fluid and preparation method thereof and using method |
| CN106521507A (en) * | 2016-12-09 | 2017-03-22 | 江美丽 | Aluminum alloy chemical polishing additive |
| CN106757038A (en) * | 2016-12-23 | 2017-05-31 | 佛山市南海铂朗助剂科技有限公司 | A kind of environment-protection brightening agent and brightening liquid |
| CN108893743A (en) * | 2018-07-20 | 2018-11-27 | 广东精装照明有限公司 | The sour polishing agent of aluminium two and its application |
| CN111041493A (en) * | 2019-12-30 | 2020-04-21 | 广东凤铝铝业有限公司 | Vertical polishing production method for aluminum material |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105525293A (en) * | 2016-01-29 | 2016-04-27 | 广州欧邦联合建材有限公司 | Aluminum alloy polishing additive and preparation method thereof |
| CN105734574A (en) * | 2016-03-18 | 2016-07-06 | 博罗县东明化工有限公司 | Polishing solution |
| CN105734574B (en) * | 2016-03-18 | 2019-02-26 | 博罗县东明化工有限公司 | Polishing fluid |
| CN105780007A (en) * | 2016-05-25 | 2016-07-20 | 佛山市海化表面处理科技有限公司 | Polishing bath of aluminium material and production technology of aluminium material |
| CN106086908A (en) * | 2016-07-19 | 2016-11-09 | 东莞市凯盟表面处理技术开发有限公司 | A kind of copper material pickling polishing fluid and preparation method thereof and using method |
| CN106521507A (en) * | 2016-12-09 | 2017-03-22 | 江美丽 | Aluminum alloy chemical polishing additive |
| CN106757038A (en) * | 2016-12-23 | 2017-05-31 | 佛山市南海铂朗助剂科技有限公司 | A kind of environment-protection brightening agent and brightening liquid |
| CN108893743A (en) * | 2018-07-20 | 2018-11-27 | 广东精装照明有限公司 | The sour polishing agent of aluminium two and its application |
| CN111041493A (en) * | 2019-12-30 | 2020-04-21 | 广东凤铝铝业有限公司 | Vertical polishing production method for aluminum material |
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| CN105132917B (en) | 2018-01-05 |
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