CN109554710A - A kind of acid decoating liquid and obstacles in quit containing titanium coating - Google Patents
A kind of acid decoating liquid and obstacles in quit containing titanium coating Download PDFInfo
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- CN109554710A CN109554710A CN201811591926.7A CN201811591926A CN109554710A CN 109554710 A CN109554710 A CN 109554710A CN 201811591926 A CN201811591926 A CN 201811591926A CN 109554710 A CN109554710 A CN 109554710A
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- containing titanium
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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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/44—Compositions for etching metallic material from a metallic material substrate of different composition
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Abstract
The invention discloses a kind of acid decoating liquid containing titanium coating comprising the component of following weight percent: organic acid 5~10%, inorganic acid 5~10%, high-efficient penetrant 5~10%, dispersant special 3~5%, corrosion inhibiter 1~3%, surplus are water.The invention also discloses the obstacles in quit containing titanium coating, and acid decoating liquid is contacted with containing titanium coating, can remove clean.Compared with prior art, the acid decoating liquid of the invention containing titanium coating can completely remove bad film plating layer in the case where soak at room temperature, and corrosion lossless to workpiece, strip is at low cost, can batch strip, soak at room temperature can be operated conveniently.
Description
Technical field
The present invention relates to technical field of surface, in particular to a kind of acid decoating liquid and stripping side containing titanium coating
Method.
Background technique
Stainless-steel vacuum plated film PVD method refers to heats metal or nonmetallic materials under conditions of high vacuum, makes its steaming
It sends out and is condensed in plating piece (metal, semiconductor or insulator) surface and forms a kind of method of film.Vacuum coating technology is one
The new technology of kind novel materials synthesis and processing, is the important component of field of surface engineering technique.As the whole world manufactures
Industry high speed development, vacuum coating technology is using more and more extensive.From semiconductor integrated circuit, LED, display, touch screen, the sun
From the point of view of the development of industries such as energy photovoltaic, chemical industry, pharmacy, vacuum coating equipment, technology, materials demand are all being continuously increased, wrapped
Include electricity film, digital longitudinal direction and laterally magnetizable data recording storage films, the sufficiently exhibition of manufacture large scale integrated circuit
Show and using the conductive film in the optical film of various optical characteristics, the light-sensitive surface of Computer display, TFT, PDP flat-panel screens
With coating film on glass and decorating film, the packaging field protecting film, barrier film, decoration material applied in anti-reflection film, building, automobile industry
On material with applied on the functional membranes of various functional decoration effects, work, die surface wear-resisting superhard film, nano materials research side
The various functional films in face etc., the demand of vacuum coating are higher and higher.
But in actual operation, because various factors causes plated film bad, strip is needed to handle again, traditional strip
Physics sandblasting mode is generally used, the underproof PVD coating in surface is removed by sandblasting, under the overall situation of environmental requirement, easily
Dust pollution is generated, in addition sandblasting is also easy to cause workpiece itself certain loss, and production needs more operator, production capacity
Low efficiency.It is existing to accelerate film layer to dissolve by hydrogen peroxide, but stability is poor, or promotes film layer point by fluoride
Solution, but pollute greatly, there are also Chinese invention patent CN102234835A, CN101358377B etc. to contain titanium film using electrolytic method stripping
Layer, needs professional electrolysis installation, is easy to produce that current unevenness is even to lead to problems such as strip uneven, Chinese invention patent
CN103046052B discloses environment-friendly decoating liquid for titanium-containing coatings and use method of environment-friendlydecoating decoating liquid and its application method, is a kind of decoating liquid of alkalinity, only fits
It include but is not limited to any one in ferrous alloy, acid bronze alloy, aluminium, nickel-base alloy, glass and plastics for alkaline-resisting substrate
Contain titanium coating in kind.
Therefore, it is necessory to develop it is a kind of can by way of soak at room temperature, completely remove stainless steel based on titanium
The acid decoating liquid of PVD coating.
Summary of the invention
It is an object of the present invention to be directed to the above-mentioned deficiency of the prior art, a kind of acid decoating liquid containing titanium coating is provided,
Bad film plating layer can be completely removed in the case where soak at room temperature, and corrosion lossless to workpiece, strip is at low cost, can criticize
Strip is measured, soak at room temperature can be operated conveniently.
The technical scheme adopted by the invention to achieve the purpose is as follows:
A kind of acid decoating liquid containing titanium coating comprising the component of following weight percent: organic acid 5~10%, nothing
Machine acid 5~10%, high-efficient penetrant 5~10%, dispersant special 3~5%, corrosion inhibiter 1~3%, surplus are water.
Preferably, the inorganic acid is nitric acid, hydrofluoric acid, any one or more mixing in phosphoric acid.
Preferably, the organic acid is one kind or mixing of citric acid, oxalic acid, malic acid.
Preferably, the high-efficient penetrant is ethylenediamine tetra-acetic acid, any one in polyacrylic acid or two kinds.Ethylenediamine
Tetraacethyl EDTA, polyacrylic acid PAA can promote titanium-containing film to dissolve with the good compatibility of titanium ion.
Preferably, the dispersant special is sodium ethylenediamine tetramethylenephosphonate, any one in sodium gluconate
Or two kinds.Preferably, the dispersant special further includes 1- amino cyclopropyl -1- carboxylic acid, ethyl ester hydrochlorate.It can promote to react
Ion rapid osmotic is distributed to containing in titanium coating, accelerates the dissolution containing titanium coating.
Preferably, the corrosion inhibiter is mixed by methenamine, thiocarbamide 1:1~9 in mass ratio.Methenamine, sulphur
Urea can carry out titanium layer effectively avoiding the damage to substrate, and surface is avoided to be corroded.
Preferably, the pH value of the acidity decoating liquid is less than 6.5.
A kind of obstacles in quit containing titanium coating, this method include will be formed in substrate surface containing titanium coating in above-mentioned acid
Property decoating liquid in contacting, it is preferable that when contact the temperature of acidity decoating liquid be 20-30 DEG C, time of contact be 0.5-2 hours.
Titanizing is generally used for improving object surface wearability, prevents object surface from aoxidizing, titanium carbide and titanium nitride coating
Hardness is different, and tint is vivid, fine and closely woven uniform, while binding force with super strength, uniformity, densification, adhesion are good.No
Steel plate become rusty in the process produced, can be plated again with vacuum coating technology on its surface later manufactured mirror board
The titanium material of upper one layer of micron order thickness.Titanium coating haves the defects that different degrees of or dislocation, dispersing agent (second in substrate surface
Diamines tetramethylene phosphonic acid sodium, sodium gluconate, 1- amino cyclopropyl -1- carboxylic acid, ethyl ester hydrochlorate), bleeding agent (ethylenediamine tetrem
Acid, polyacrylic acid) rapid osmotic is dispersed in can match well with titanium layer Rapid contact and with titanium containing the defect on titanium coating
It closes, is beneficial to titanium layer and quickly dissolves and clean up with decoating liquid.
Compared with prior art, the invention has the following beneficial effects:
1. the acid decoating liquid of the invention containing titanium coating, mainly for the stainless steel PVD coating based on titaniferous, Ke Yi
Bad film plating layer is completely removed in the case where soak at room temperature, decoating is thorough, and to stainless steel substrate workpiece it is lossless and
Corrosion, will not generate the weightlessness of stainless steel material.
2. the present invention can reduce coating film treatment cost, reduce operator, strip cost be equivalent to sandblasting three/
One, reduce operator 80%；Production scene without dust pollution, strip is high-efficient, and efficiency improves 5 times or more, can give birth in batches
Strip is produced, without sandblasting strip one by one；It is easy to operate, soak at room temperature.
3. acid decoating liquid production process of the invention will not generate acid mist and irritation tobacco, safe operation are moved back at a high speed
Except the vacuum coating on the surfaces such as glass, plastics, steel plate, stainless steel plate, do not hurt ground, stripping is clean, thoroughly and quickly.
Above-mentioned is the general introduction of inventive technique scheme, and below in conjunction with specific embodiment, the present invention will be further described.
Specific embodiment:
In order to which the purpose of the present invention and technical solution and advantage is more clearly understood, make with reference to embodiments specifically
It is bright.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Embodiment 1: the acid decoating liquid and obstacles in quit provided in this embodiment containing titanium coating, the acidity containing titanium coating are moved back
Plating solution includes the component of following weight percent: organic acid 10%, inorganic acid 10%, high-efficient penetrant 5%, dispersant special
5%, corrosion inhibiter 1%, surplus are water.Wherein preferably, inorganic acid is nitric acid；Organic acid is citric acid, oxalic acid mixing；High-effective penetrating
Agent is ethylenediamine tetra-acetic acid；Dispersant special is sodium ethylenediamine tetramethylenephosphonate；Dispersant special further includes 1- amino cyclopropyl
Base -1- carboxylic acid, ethyl ester hydrochlorate；Corrosion inhibiter is mixed by methenamine, thiocarbamide 1:1 in mass ratio；The pH value of the acidity decoating liquid
Less than 6.5.
A kind of obstacles in quit containing titanium coating of the present embodiment, this method include will be formed in substrate surface containing titanium coating
It is being contacted in above-mentioned acid decoating liquid, it is preferable that the temperature of acidity decoating liquid is 20 DEG C when contact, and time of contact is 1.5 small
When.
Embodiment 2: the acid decoating liquid and obstacles in quit provided in this embodiment containing titanium coating, it is basic with embodiment 1
It is identical, the difference is that: the acid decoating liquid containing titanium coating includes the component of following weight percent: organic acid 5%, inorganic
Acid 5%, high-efficient penetrant 8%, dispersant special 4%, corrosion inhibiter 2%, surplus are water.Wherein preferably, inorganic acid be hydrofluoric acid,
Phosphoric acid mixing；Organic acid is oxalic acid, malic acid mixing；High-efficient penetrant is ethylenediamine tetra-acetic acid；Dispersant special is glucose
Sour sodium；Dispersant special further includes 1- amino cyclopropyl -1- carboxylic acid, ethyl ester hydrochlorate；Corrosion inhibiter presses quality by methenamine, thiocarbamide
It is mixed than 1:9；The pH value of the acidity decoating liquid is less than 6.5.
A kind of obstacles in quit containing titanium coating of the present embodiment, this method include will be formed in substrate surface containing titanium coating
It is being contacted in above-mentioned acid decoating liquid, it is preferable that the temperature of acidity decoating liquid is 30 DEG C when contact, and time of contact is 0.5 small
When.
Embodiment 3: the acid decoating liquid and obstacles in quit provided in this embodiment containing titanium coating, it is basic with embodiment 1
It is identical, the difference is that: the acid decoating liquid containing titanium coating includes the component of following weight percent: organic acid 6%, inorganic
Acid 9%, high-efficient penetrant 8%, dispersant special 3%, corrosion inhibiter 3%, surplus are water.Wherein preferably, inorganic acid is nitric acid, phosphorus
Acid-mixed is closed；Organic acid is citric acid；High-efficient penetrant is ethylenediamine tetra-acetic acid, polyacrylic acid mixing；Dispersant special is second two
Amine tetramethylene phosphonic acid sodium, sodium gluconate；Dispersant special further includes 1- amino cyclopropyl -1- carboxylic acid, ethyl ester hydrochlorate；Inhibition
Agent is mixed by methenamine, thiocarbamide 1:5 in mass ratio；The pH value of the acidity decoating liquid is less than 6.5.
A kind of obstacles in quit containing titanium coating of the present embodiment, this method include will be formed in substrate surface containing titanium coating
It is being contacted in above-mentioned acid decoating liquid, it is preferable that the temperature of acidity decoating liquid is 25 DEG C when contact, and time of contact is 2 hours.
Embodiment 4: the acid decoating liquid and obstacles in quit provided in this embodiment containing titanium coating, it is basic with embodiment 1
It is identical, the difference is that: the acid decoating liquid containing titanium coating includes the component of following weight percent: organic acid 7%, inorganic
Acid 6%, high-efficient penetrant 6%, dispersant special 5%, corrosion inhibiter 2%, surplus are water.Wherein preferably, inorganic acid is nitric acid, hydrogen
Fluoric acid mixing；Organic acid is citric acid, malic acid mixing；High-efficient penetrant is ethylenediamine tetra-acetic acid, polyacrylic acid mixing；It is dedicated
Dispersing agent is sodium ethylenediamine tetramethylenephosphonate；Dispersant special further includes 1- amino cyclopropyl -1- carboxylic acid, ethyl ester hydrochlorate；Inhibition
Agent is mixed by methenamine, thiocarbamide 1:3 in mass ratio；The pH value of the acidity decoating liquid is less than 6.5.
A kind of obstacles in quit containing titanium coating of the present embodiment, this method include will be formed in substrate surface containing titanium coating
It is being contacted in above-mentioned acid decoating liquid, it is preferable that the temperature of acidity decoating liquid is 25 DEG C when contact, and time of contact is 1.5 small
When.
The acid decoating liquid containing titanium coating in above-described embodiment carries out stripping test, and test shows through the acidity strip
Liquid treated surface is without titanium elements, and titanium layer has taken off except clean, and stainless steel substrate surface finishing, corrosion-free phenomenon occurs.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and is modified.Therefore, the invention is not limited to the specific embodiments disclosed and described above, to the one of invention
A little modifications and changes should also be as falling into the scope of the claims of the present invention.
Claims (10)
1. a kind of acid decoating liquid containing titanium coating, which is characterized in that the component including following weight percent: organic acid 5~
10%, inorganic acid 5~10%, high-efficient penetrant 5~10%, dispersant special 3~5%, corrosion inhibiter 1~3%, surplus are water.
2. the acid decoating liquid containing titanium coating as described in claim 1, which is characterized in that the inorganic acid is nitric acid, hydrogen
Any one in fluoric acid, phosphoric acid or two kinds of mixing.
3. the acid decoating liquid containing titanium coating as described in claim 1, which is characterized in that the organic acid be citric acid,
One kind or mixing of oxalic acid, malic acid.
4. the acid decoating liquid containing titanium coating as described in claim 1, which is characterized in that the high-efficient penetrant is second two
Any one in amine tetraacethyl, polyacrylic acid or two kinds.
5. the acid decoating liquid containing titanium coating as described in claim 1, which is characterized in that the dispersant special is second two
Any one in amine tetramethylene phosphonic acid sodium, sodium gluconate or two kinds.
6. the acid decoating liquid containing titanium coating as claimed in claim 5, which is characterized in that the dispersant special further includes
1- amino cyclopropyl -1- carboxylic acid, ethyl ester hydrochlorate.
7. the acid decoating liquid containing titanium coating as described in claim 1, which is characterized in that the corrosion inhibiter is by Wu Luotuo
Product, thiocarbamide 1:1~9 in mass ratio mix.
8. the acid decoating liquid containing titanium coating as described in claim 1, which is characterized in that the pH value of the acidity decoating liquid is less than
6.5。
9. a kind of obstacles in quit containing titanium coating, which is characterized in that this method include will be formed in substrate surface containing titanium coating
It is being contacted in acid decoating liquid, which is such as the described in any item acid decoating liquids of claim 1-8.
10. as claimed in claim 9 containing the obstacles in quit of titanium coating, which is characterized in that acidity decoating liquid when the contact
Temperature is 20-30 DEG C, and time of contact is 0.5-2 hours.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811591926.7A CN109554710A (en) | 2018-12-25 | 2018-12-25 | A kind of acid decoating liquid and obstacles in quit containing titanium coating |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811591926.7A CN109554710A (en) | 2018-12-25 | 2018-12-25 | A kind of acid decoating liquid and obstacles in quit containing titanium coating |
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| CN109554710A true CN109554710A (en) | 2019-04-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113699529A (en) * | 2021-07-30 | 2021-11-26 | 江西昌河航空工业有限公司 | Method for removing cadmium-titanium coating |
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Patent Citations (6)
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| CN102220133A (en) * | 2010-04-19 | 2011-10-19 | 深圳富泰宏精密工业有限公司 | Stripping solution of titanium carbide and/or titanium nitride film and stripping method |
| CN102234834A (en) * | 2010-04-20 | 2011-11-09 | 深圳富泰宏精密工业有限公司 | Electrolytic stripping liquid, and method for removing titanium-containing film by using electrolytic stripping liquid |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113699529A (en) * | 2021-07-30 | 2021-11-26 | 江西昌河航空工业有限公司 | Method for removing cadmium-titanium coating |
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