CN107739548A - A kind of epoxy resin coating paint removing composition and its preparation method and application - Google Patents
A kind of epoxy resin coating paint removing composition and its preparation method and application Download PDFInfo
- Publication number
- CN107739548A CN107739548A CN201710842455.1A CN201710842455A CN107739548A CN 107739548 A CN107739548 A CN 107739548A CN 201710842455 A CN201710842455 A CN 201710842455A CN 107739548 A CN107739548 A CN 107739548A
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- China
- Prior art keywords
- epoxy resin
- resin coating
- paint removing
- removing composition
- coating paint
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D9/00—Chemical paint or ink removers
- C09D9/04—Chemical paint or ink removers with surface-active agents
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The present invention discloses a kind of epoxy resin coating paint removing composition.The epoxy resin coating paint removing composition includes following component by mass percentage：Mass content is 85% phosphatase 24 5%, and OPEO 12%, dipropylene glycol methyl ether 25%, paracide 5%, surplus is water.Epoxy resin coating paint removing composition cost provided by the present invention is cheap, pollution is few, the depainting time is short, penetration is strong, it is at 10 minutes in can be kept completely separate completely coating and matrix, it is and corrosion-free to matrix, paint removing effect is strong, without dead angle and residual, epoxy resin coating paint removing composition provided by the invention is applicable to the depainting of a variety of different types of epoxy resin coatings, can provide technical support for the development of industrial cleaning agent.
Description
Technical field
The invention belongs to industry cleaning link field, more particularly, to a kind of epoxy resin coating paint removing composition and its preparation
Methods and applications.
Background technology
With the fast development of China's economy, the application of the metal material such as magnalium, zinc is increasing, and magnalium, zinc
Epoxy resin coating is often used in application Deng metal surface.But the error occurred in the aging or spraying process due to paint film does not reach
Mark so that this workpiece needs to reclaim and spray again, it is therefore desirable to removes old paint film.During renovation, then need to former position
Carry out depainting processing.The depainting principle of paint stripper is exactly to destroy paint film using dissolving of the solvent to film forming matter or swelling action
The adhesion of space structure or paint film and base material.Although also occurs the different types of epoxy resin coating of many kinds currently on the market
Paint stripper, but existing epoxy resin coating paint stripper toxicity is generally large, there is injury to human body, and paint stripping rate it is slow and
Paint removing effect is undesirable, can there is certain corrosivity while depainting to base material, and some paint strippers have to environment it is certain
Pollution.
Therefore, develop efficiently, and take into account safe, economic, processing conveniently, be provided simultaneously with preferably low to base material corrosion take off
It is one of current urgent need to solve the problem to paint agent, is had important practical significance.
The content of the invention
It is an object of the invention to according to deficiency of the prior art, there is provided a kind of epoxy resin coating paint removing composition.
The epoxy resin coating paint removing composition has, depainting power excellent performance low to base material corrosivity, and post processing is easy, paint stripping rate
The advantages that fast.
Another object of the present invention is to provide the preparation method of above-mentioned epoxy resin coating paint removing composition.
It is still another object of the present invention to provide above-mentioned epoxy resin coating paint removing composition to prepare epoxy resin coating depainting
Application in cleaning agent.
The purpose of the present invention is achieved through the following technical solutions：
A kind of epoxy resin coating paint removing composition, by component as follows by mass percentage：
Mass content is 85% phosphatase 24 5%,
OPEO 12%,
Dipropylene glycol methyl ether 25%,
Paracide 5%,
Surplus is water.
The present invention is by phosphoric acid, OPEO, dipropylene glycol methyl ether, paracide to the epoxy resin coating formed
In paint removing composition, it can penetrate into the interface that base material is connected with paint film, and to destroying the connection between base material and paint film, from
And make it that paint film completely separates from matrix, so as to obtain good paint removing effect.Simultaneously as paint film monoblock comes off, can
To be separated in the eluent that easily forms paint film from epoxy resin coating paint removing composition, eluent, which is able to circulation, to be made
With, and more preferable paint removing effect can be obtained within the shorter time.In the defined time, the paint stripper is to matrix material without corruption
Erosion, therefore so that paint stripper of the present invention protects base material while paint removing effect is good.
The preparation method of the epoxy resin coating paint removing composition, comprises the following steps：Each component is well mixed and produced
The epoxy resin coating paint removing composition.
Application of the described epoxy resin coating paint removing composition in epoxy resin coating depainting cleaning agent is prepared.
Preferably, the application is that the epoxy resin coating paint removing composition is diluted with water into the water-soluble of 40~50wt%
Liquid is as cleaning agent.
Compared with prior art, the present invention has advantages below and beneficial effect：
Epoxy resin coating paint removing composition cost provided by the present invention is cheap, and pollution is few, and the depainting time is short, and penetration is strong,
The interior energy of 10 minutes is completely kept completely separate coating and matrix, and corrosion-free to matrix, and paint removing effect is strong, no dead angle and residual.
Embodiment
Further illustrate the present invention below in conjunction with specific embodiment, but embodiment the present invention is not done it is any type of
Limit.Unless stated otherwise, the reagent of the invention used, method and apparatus is the art conventional reagent, methods and apparatus.
Unless stated otherwise, agents useful for same and material of the present invention are purchased in market.
The compound method of paint removing composition：Raw material is fed intake according to regulation ratio at room temperature, then stirred with mixer
Uniformly, without curing, i.e., with i.e. use.
Embodiment 1：
Base material is zine plate, and zine plate is coated for epoxy coating.Film thickness is 3mm.
Epoxy resin coating paint removing composition formula is as follows：
| Raw material | Quality proportioning（%） |
| Phosphoric acid 85% | 45 |
| OPEO | 12 |
| Dipropylene glycol methyl ether | 25 |
| Paracide | 5 |
| Water | 13 |
Comparative example 1：
Base material is zine plate, and zine plate is coated for epoxy coating.Film thickness is 3mm.
Powdery paints paint removing composition formula is as follows：
| Raw material | Quality proportioning（%） |
| Phosphoric acid 85% | 55 |
| OPEO | 8 |
| Dipropylene glycol methyl ether | 19 |
| Paracide | 5 |
| Water | 13 |
Comparative example 2：
Base material is zine plate, and zine plate is coated for epoxy coating.Film thickness is 3mm.
Powdery paints paint removing composition formula is as follows：
| Raw material | Quality proportioning（%） |
| Phosphoric acid 85% | 60 |
| OPEO | 15 |
| Dipropylene glycol methyl ether | 27 |
| Paracide | 7 |
| Water | 13 |
Comparative example 3：
Base material is zine plate, and zine plate is coated for epoxy coating.Film thickness is 3mm.
Epoxy resin coating paint removing composition formula is as follows：
| Raw material | Quality proportioning（%） |
| Phosphoric acid 85% | 60 |
| OPEO | 2 |
| Dipropylene glycol methyl ether | 25 |
| Paracide | 5 |
| Water | 8 |
Comparative example 4：
Base material is zine plate, and zine plate is coated for epoxy coating.Film thickness is 3mm.
Powdery paints paint removing composition formula is as follows：
| Raw material | Quality proportioning（%） |
| Phosphoric acid 85% | 65 |
| OPEO | 12 |
| Paracide | 5 |
| Water | 18 |
Corresponding coating paint film will be prepared on the metal base of embodiment, paint film is prepared with reference to GB/T 1727-1992.It will implement
The paint stripper provided in example and comparative example carries out soaking and washing, paint removal efficiency method of testing to paint film：With reference to GB/T 1745-89
《Paint stripper paint removal efficiency determines》Tested.Metal surface corrosion condition observes by the naked eye, and unchanged to be corrosion-free, appearance is black
Color spot point is slight erosion, and it is heavy corrosion black line shape striped occur.
Table 1 is paint removing effect in embodiment and comparative example：
Table 1
| Embodiment is numbered | t（Depainting）/min | Depainting situation | Corrosion condition |
| Embodiment 1 | 8 | Paint film completely disengages metal surface | Metal surface is corrosion-free |
| Comparative example 1 | 25 | Paint film does not completely disengage metal surface | Metal surface is slightly corrosion-free |
| Comparative example 2 | 10 | Paint film completely disengages metal surface | Metal surface heavy corrosion |
| Comparative example 3 | 10 | Paint film does not completely disengage metal surface | Metal surface heavy corrosion |
| Comparative example 4 | 30 | Paint film is all without departing from metal surface | Metal surface is seriously corrosion-free |
The cleaning agent cleaning performance provided in the embodiment of the present invention 1 is very good, and the interior energy of 10 minutes makes coating depart from metal completely
Substrate surface, there is no any corrosion to metal, and do not stay dead angle, show the paint film cleaning effect of paint stripper provided by the invention
Rate, degree of cleaning and to having reached preferable effect in the protection of metal base.
Obviously, above-described embodiment is only to illustrate done citing to be clear, and is not the restriction to embodiment.It is right
For those of ordinary skill in the art, various forms of changes or change can also be made on the basis of the above description
It is dynamic.There is no necessity and possibility to exhaust all the enbodiments.And that is thus amplified shows and the change of opinion or variation
Among the protection domain of the invention.
Claims (4)
1. a kind of epoxy resin coating paint removing composition, it is characterised in that by component as follows by mass percentage：
Mass content is 85% phosphatase 24 5%,
OPEO 12%,
Dipropylene glycol methyl ether 25%,
Paracide 5%,
Surplus is water.
2. the preparation method of epoxy resin coating paint removing composition described in claim 1, it is characterised in that comprise the following steps：Will
Each component is well mixed to produce the epoxy resin coating paint removing composition.
3. application of the epoxy resin coating paint removing composition in epoxy resin coating depainting cleaning agent is prepared described in claim 1.
4. application according to claim 3, it is characterised in that be diluted with water to the epoxy resin coating paint removing composition
40~50wt% the aqueous solution is as cleaning agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710842455.1A CN107739548A (en) | 2017-09-18 | 2017-09-18 | A kind of epoxy resin coating paint removing composition and its preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710842455.1A CN107739548A (en) | 2017-09-18 | 2017-09-18 | A kind of epoxy resin coating paint removing composition and its preparation method and application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107739548A true CN107739548A (en) | 2018-02-27 |
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ID=61236009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710842455.1A Pending CN107739548A (en) | 2017-09-18 | 2017-09-18 | A kind of epoxy resin coating paint removing composition and its preparation method and application |
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|---|---|
| CN (1) | CN107739548A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103146246A (en) * | 2013-04-03 | 2013-06-12 | 东莞市剑鑫电子材料有限公司 | Aqueous acid metal printing ink cleaner, and preparation and using methods thereof |
-
2017
- 2017-09-18 CN CN201710842455.1A patent/CN107739548A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103146246A (en) * | 2013-04-03 | 2013-06-12 | 东莞市剑鑫电子材料有限公司 | Aqueous acid metal printing ink cleaner, and preparation and using methods thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180227 |
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| RJ01 | Rejection of invention patent application after publication |