CN103436114A - Priming paint for low-adhesion paint film surface, and preparation method and coating method thereof - Google Patents
Priming paint for low-adhesion paint film surface, and preparation method and coating method thereof Download PDFInfo
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- CN103436114A CN103436114A CN2013103032758A CN201310303275A CN103436114A CN 103436114 A CN103436114 A CN 103436114A CN 2013103032758 A CN2013103032758 A CN 2013103032758A CN 201310303275 A CN201310303275 A CN 201310303275A CN 103436114 A CN103436114 A CN 103436114A
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- priming paint
- paint
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- paint film
- sticking power
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Abstract
The invention relates to a priming paint for a low-adhesion paint film surface. The priming paint is characterized in that raw materials of the priming paint comprise, by mass, 8.1% of polyvinyl butyral, 7.0% of basic zinc yellow, 1.5% of talcum powder, 45.5% of isopropanol, 17.2% of n-butanol, 12.6% of industrial ethanol, 3.8% of phosphoric acid and 4.3% of water. A coating method of the priming paint is characterized in that a bottom-exposed or near-bottom network composed of sand mark is formed on the surface of an original paint film after polishing; and after the priming paint is coated, the paint penetrates into the network, reaches a coating substrate, embeds, forms a phosphatization gluing network having a strong adhesion with a substrate metal, and covers the original paint film to form a priming paint film. The priming paint film has a certain anticorrosion effect. The gluing network firmly locks the original low-adhesion paint film and greatly enhances the combination force of the substrate film. When a finish is coated, there is no lifting, and a formed coating system has a very good adhesion. Results of tests show that the adhesion of the low-adhesion paint film is improved by two levels.
Description
Technical field
The present invention relates to a kind of priming paint and preparation and coating method for low sticking power coating surface, be adapted to the application of common metal workpiece surface.
Background technology
On the paint film of surface of workpiece, paint again, during overcoating in other words, if the poor adhesive force of original paint film or peeling occurs, or while bubble occurring, existing technique: be the paint film of at first disposing original poor adhesive force, again do prime treatment, then paint.See " anticorrosive coating application and quality control " P267, P248 that Pang Qicai writes.
If the poor adhesive force of original paint film, the problem that later there will be paint film naturally to come off, lost efficacy the protective of application, and decorative effect is reduced greatly.So, be all the paint film of taking off original poor adhesive force traditionally, then japanning again.Like this, waste time and energy and take material, depainting also likely injures workpiece surface.
In addition, when the phenomenons such as the peeling, foaming of poor adhesive force appear in the paint film be coated with when workpiece surface, if take off, be coated with paint film, again do surface treatment, waste time and energy and take material.With paint remover method depainting, just not saying cost, it can pollute surrounding environment, also can bring harm to operator, and operation is also inconvenient; Use the combustion method depainting, dangerous, it also can pollute surrounding environment, and is difficult for de-clean; Use the instrument depainting, be difficult for removing totally, and can injure workpiece surface.
Summary of the invention
The technical problem solved
For fear of the deficiencies in the prior art part, the present invention proposes a kind of priming paint and preparation and coating method for low sticking power coating surface.
Technical scheme
A kind of priming paint for low sticking power coating surface, is characterized in that the mass percent of material component is: polyvinyl butyral acetal 8.1, basic zinc Huang 7.0, talcum powder 1.5, Virahol 45.5, propyl carbinol 17.2, industrial alcohol 12.6, phosphoric acid 3.8 and water 4.3.
The purity of described Virahol is 99%.
The purity of described industrial alcohol is 95%.
A kind of described any one is for the collocation method of the priming paint of low sticking power coating surface, it is characterized in that: Virahol is added in polyvinyl butyral acetal and obtains component A, phosphoric acid and industrial alcohol are mixed to get to component B, by after component A and component B mixing, adding again basic zinc Huang, talcum powder, propyl carbinol and water to stir, make the priming paint that hangs down the sticking power coating surface.
A kind of method that adopts made priming paint to apply again low sticking power coating surface is characterized in that step is as follows:
Step 1: polished to wanting coated surface, adopt and anyhow respectively polish 1-3 times, show-through sand trace gets final product;
Step 2: dilute this with industrial spirit and paint to working viscosity, adopt to brush or spray priming paint is constructed in the surface of show-through sand;
Step 3: under 5 ℃-35 ℃ of temperature, be 6-24 hour the time of drying of priming paint.
Adopt while brushing technique, working viscosity is transferred to [T-4] 18-25 second, and described [T-4] refers to the paint viscosity of measuring with coating-4 viscosity meter.
While adopting spraying, working viscosity is transferred to [T-4] 13-18 second, and spray pressure is controlled at 0.3-0.6Mpa; Described [T-4], refer to the paint viscosity of measuring with coating-4 viscosity meter.
Beneficial effect
A kind of priming paint and preparation and coating method for low sticking power coating surface that the present invention proposes, after polishing, original coating surface has just formed show-through, the near spacer screen network be comprised of the sand trace.After primer coating, paint liquid can soak (ooze) and enter the through coated substrate of this network, the phosphatization gluing network very strong with base metal formation sticking power after embedding, and cover 1 coating film at original paint film.This film also has certain preservative activity.This gluing network, " net " lived original low sticking power paint film firmly, greatly strengthened the bonding force of base coating film.Overpainting, can not sting at the end again, and the application system sticking power of formation is also fine.According to test, can draw, after adopting the present invention, the sticking power of low sticking power paint film has improved 2 grades.
Embodiment
Now the invention will be further described in conjunction with the embodiments:
Base paint formulation, as following table:
During preparation, contain into polyvinyl butyral acetal to container 1,, add Virahol (99%) and stir; Contain into phosphoric acid (85%) to container 2, add industrial alcohol (95%) and stir; Again container 1,2 solution mixed and add other material, stirring and get final product.
Apply:
Step 1: polishing: with 60# or 80# sand paper; Anyhow respectively polish 1-3 times; Occur that slightly show-through sand trace gets final product.
Step 2: dilute this with industrial spirit and paint to working viscosity.During brushing, working viscosity is transferred to (being coated with-4) 18-25 second (be coated with-4, refer to the paint viscosity of measuring with coating-4 viscosity meter, be referring to GB/T1723-93 dope viscosity assay method, lower same); During spraying, working viscosity is transferred to (being coated with-4) 13-18 second, and spray pressure is controlled at 0.3-0.6Mpa.
Step 3: solidify: time of drying 6-24 hour, 5 ℃-35 ℃ of temperature.
Step 4: coating paint: according to intending selecting the technical requirements of overpainting to carry out.
In the coating of step 2, can apply 2 roads, between twice, interval is 4-6 hours.
Drying, 5 ℃-15 ℃, dry more than 24 hours.16 ℃---35 ℃, dry 12 hours-24 hours.
Claims (7)
1. the priming paint for low sticking power coating surface, is characterized in that the mass percent of material component is: polyvinyl butyral acetal 8.1, basic zinc Huang 7.0, talcum powder 1.5, Virahol 45.5, propyl carbinol 17.2, industrial alcohol 12.6, phosphoric acid 3.8 and water 4.3.
2. according to claim 1 for the priming paint of low sticking power coating surface, it is characterized in that: the purity of described Virahol is 99%.
3. according to claim 1 for the priming paint of low sticking power coating surface, it is characterized in that: the purity of described industrial alcohol is 95%.
4. the described any one of claim 1～3 is for the collocation method of the priming paint of low sticking power coating surface, it is characterized in that: Virahol is added in polyvinyl butyral acetal and obtains component A, phosphoric acid and industrial alcohol are mixed to get to component B, by after component A and component B mixing, adding again basic zinc Huang, talcum powder, propyl carbinol and water to stir, make the priming paint that hangs down the sticking power coating surface.
5. a method that adopts the made priming paint of claim 4 to apply again low sticking power coating surface is characterized in that step is as follows:
Step 1: polished to wanting coated surface, adopt and anyhow respectively polish 1-3 times, show-through sand trace gets final product;
Step 2: dilute this with industrial spirit and paint to working viscosity, adopt to brush or spray priming paint is constructed in the surface of show-through sand;
Step 3: under 5 ℃-35 ℃ of temperature, be 6-24 hour the time of drying of priming paint.
6. the method applied according to claim 4 is characterized in that: adopt while brushing technique, working viscosity is transferred to [T-4] 18-25 second, and described [T-4] refers to the paint viscosity of measuring with coating-4 viscosity meter.
7. the method applied according to claim 4 is characterized in that: while adopting spraying, working viscosity is transferred to [T-4] 13-18 second, and spray pressure is controlled at 0.3-0.6Mpa; Described [T-4], refer to the paint viscosity of measuring with coating-4 viscosity meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103032758A CN103436114A (en) | 2013-07-15 | 2013-07-15 | Priming paint for low-adhesion paint film surface, and preparation method and coating method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103032758A CN103436114A (en) | 2013-07-15 | 2013-07-15 | Priming paint for low-adhesion paint film surface, and preparation method and coating method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103436114A true CN103436114A (en) | 2013-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013103032758A Pending CN103436114A (en) | 2013-07-15 | 2013-07-15 | Priming paint for low-adhesion paint film surface, and preparation method and coating method thereof |
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| Country | Link |
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| CN (1) | CN103436114A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104893453A (en) * | 2015-06-01 | 2015-09-09 | 蚌埠市蚌风风机有限公司 | Primer for blowers and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1569986A (en) * | 2003-07-21 | 2005-01-26 | 深圳市海川实业股份有限公司 | High adhesion metal conditioner for coating metal |
| CN101693802A (en) * | 2009-10-22 | 2010-04-14 | 袁泉利 | Environment-friendly type special adhesion primer for nonferrous metal surface |
| JP2010168524A (en) * | 2008-12-26 | 2010-08-05 | Kansai Paint Co Ltd | Two-pack coating composition and coating method |
| CN102079917A (en) * | 2010-12-17 | 2011-06-01 | 重庆研镁科技有限公司 | Base paint special for coating magnesium alloy material |
| EP2521623A2 (en) * | 2010-01-05 | 2012-11-14 | The Sherwin-Williams Company | Primer coating comprising cerium phosphate |
-
2013
- 2013-07-15 CN CN2013103032758A patent/CN103436114A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1569986A (en) * | 2003-07-21 | 2005-01-26 | 深圳市海川实业股份有限公司 | High adhesion metal conditioner for coating metal |
| JP2010168524A (en) * | 2008-12-26 | 2010-08-05 | Kansai Paint Co Ltd | Two-pack coating composition and coating method |
| CN101693802A (en) * | 2009-10-22 | 2010-04-14 | 袁泉利 | Environment-friendly type special adhesion primer for nonferrous metal surface |
| EP2521623A2 (en) * | 2010-01-05 | 2012-11-14 | The Sherwin-Williams Company | Primer coating comprising cerium phosphate |
| CN102079917A (en) * | 2010-12-17 | 2011-06-01 | 重庆研镁科技有限公司 | Base paint special for coating magnesium alloy material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104893453A (en) * | 2015-06-01 | 2015-09-09 | 蚌埠市蚌风风机有限公司 | Primer for blowers and preparation method thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131211 |