CN104946050A - Method for repairing scratches on water-solution thermoplastic resin coating through light - Google Patents
Method for repairing scratches on water-solution thermoplastic resin coating through light Download PDFInfo
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- CN104946050A CN104946050A CN201510412589.0A CN201510412589A CN104946050A CN 104946050 A CN104946050 A CN 104946050A CN 201510412589 A CN201510412589 A CN 201510412589A CN 104946050 A CN104946050 A CN 104946050A
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Abstract
The invention relates to a method for repairing scratches on a resin coating and discloses a method for repairing scratches on a water-solution thermoplastic resin coating through light to solve the technical problems that at present, after being scratched, the surface of a macromolecule coating is hard to repair, attractiveness is affected, the capability of protecting a base body material loses, an embedded type self-repairing coating is complex in preparation and high in cost, and the same position cannot be repaired many times. The scratches on the water-solution thermoplastic resin coating are subjected to light repairing through specific-frequency low-power laser radiatio. The water-solution thermoplastic resin coating is prepared through the following steps of gold nanoparticle preparing and coating preparing. The method has the advantages that remote operability, wide applicability and repeat reparability are achieved; by means of the simple method, the service life of an existing water paint material is greatly prolonged, the performance of the existing water paint material is greatly improved; the method has huge application prospects.
Description
Technical field
The present invention relates to a kind of method of resin for restoration coating cut.
Background technology
Coating, usually also referred to as paint, has great application space in fields such as anticorrosion, antirust, decorations.Polymeric coating layer has the features such as strong adhesion, chemical resistance be good, is widely used in the anticorrosive coating of all trades and professions steel beam column, as marine anticorrosion, petroleum pipe line, big machinery, precision instrument, automobile paint outward.But wearing and tearing are inevitable phenomenons in human lives, in use, outside japanning is easy to sustain damage and occurs that cut makes steel expose steel, loses the protective capability to steel.Under the prerequisite of corrosion protection coating widespread use, nearly 3,000 hundred million dollars of the loss that the whole world is caused because of corrosion every year, wherein greatly because the impaired inefficacy of coating causes.Intensity in view of existing polymeric coating material is difficult to effectively improve, especially important to its reparation means.
Since first US military proposed to have this concept of intelligent composite of autodiagnosis, self-repair function in 1986, self-repair technology is just receiving more next many concerns, has huge development potentiality.Current self-healing system can be divided into heeling-in type self-healing system and eigenmode self-healing system.Wherein, heeling-in type self-healing system utilizes the embedding renovation agent of the mode such as hollow pipe, microcapsule to build self-healing system in polymeric matrix; Eigenmode self-healing system is then the chemical structure characteristic utilizing polymkeric substance self, under external stimulus, damage is healed automatically.
In self-repair material, coatings class material, due to can permanently effective protecting group bottom material, prevents it to be worn, scratches or corrode and receive concern especially.Just lose the shortcoming of protective capability after self-healing polymers can be overcome tradition paint class material scratching for the protection of coating, greatly reduce the loss of corroding and bringing.Since Cho and team's first passage heeling-in microcapsule thereof realize film selfreparing, researchers utilize microcapsule in succession to have developed coatings.But the usual preparation process of this kind of heeling-in type coatings is very complicated, and cannot repeatedly repair same position.Relative to heeling-in type self-healing system, although eigenmode self-healing system is reach self-repair function to need certain external stimulus, wherein light stimulus means have great advantage due to its unique remote activation and spatial control characteristic.
In recent years, researchers have found the photo-thermal effect of golden nanometer particle.When golden nanometer particle and incident light wave interact, surface plasma body resonant vibration will occur, the electronics air mass of whole golden nanometer particle shakes with the fluctuation of electromagnetic field, thus causes the resonance of internal crystal framework, and obtain a large amount of heat energy, i.e. the photo-thermal effect of so-called golden nanometer particle.Meanwhile, the photothermal conversion effect of golden nanometer particle has that photo-thermal conversion efficiency is high, the unrivaled advantage such as remote control and spatial selectivity, can heat the scope of around hundreds of nanometer.
Summary of the invention
The present invention be difficult to after will solving current polymeric coating layer surface tear to repair, affect attractive in appearance, lose body material protective capability and the preparation of heeling-in type coatings is complicated, cost is high, the technical problem that repeatedly cannot repair same position, and provide a kind of light to repair the method for water-soluble thermoplastic resin coating's cut.
The method that a kind of light of the present invention repairs water-soluble thermoplastic resin coating's cut is carried out according to the following steps:
Laser radiation light is used to repair the cut place of water-soluble thermoplastic resin coating; Described scratch width is less than 1mm; The light intensity 500W/cm of described laser
2~ 5000W/cm
2; The spot diameter of described laser is greater than 1.2 times of scratch width and is less than 2 times of scratch width; The wavelength of described laser is 480nm ~ 610nm;
Described water-soluble thermoplastic resin coating prepares according to the following steps:
One, the preparation of golden nanometer particle: be the HAuCl of 1% by massfraction
4the aqueous solution adds in deionized water, boiling is stirred under be 250rpm and temperature being the condition of 99 DEG C at rotating speed, be add the sodium citrate aqueous solution that massfraction is 1% under the condition of 600rpm ~ 1200rpm and boiling at rotating speed, be stop after reacting 15min ~ 20min under the condition of 600rpm ~ 1200rpm and boiling stirring and heating at rotating speed, naturally cool to room temperature, obtain color of spherical gold solution; Described massfraction is the HAuCl of 1%
4the volume ratio of the aqueous solution and deionized water is 1:(22.5 ~ 25); Described massfraction is the HAuCl of 1%
4the aqueous solution and massfraction are the volume ratio of the sodium citrate aqueous solution of 1% is 1:(0.5 ~ 6);
Two, coating preparation: color of spherical gold solution step one obtained and water-soluble thermoplastic resin Homogeneous phase mixing, be stir 3min, sonic oscillation 30s under the condition of 300rpm at rotating speed, obtain water-soluble thermoplastic resin; With spraying method, scraper for coating method or scraper coating method, water-soluble thermoplastic resin is spread evenly across on base material, being placed in baking oven is heat 10min ~ 20min under the condition of 80 DEG C in temperature, being warming up to 110 DEG C from 80 DEG C, is heat 10min ~ 20min under the condition of 110 DEG C in temperature; 140 DEG C are warming up to from 110 DEG C, be heat 10min ~ 20min under the condition of 140 DEG C in temperature, the boiling point 5 DEG C higher than the highest solvent of water-soluble thermoplastic resin mid-boiling point is warming up to from 140 DEG C, 30min is heated under temperature is the condition higher than the boiling point 5 DEG C of the highest solvent of water-soluble thermoplastic resin mid-boiling point, be cooled to room temperature, obtain water-soluble thermoplastic resin coating; The color of spherical gold solution that described step one obtains and the mass ratio of water-soluble thermoplastic resin are 1:(1 ~ 8).
Advantage of the present invention:
1, remote control: because golden nanometer particle heat-dissipating passes through source stimulating, so the present invention can to the long-range heating of material, Long-distance Control can be realized, space privileged site is heated, and other position is not had an impact, this has great meaning for repairing or prepare material under special task environment;
2, broad applicability: the golden nanometer particle seldom measured is entrained in water-soluble thermoplastic resin due to its needs by the present invention, therefore it also has widely using property, the present invention can directly utilize solution of gold nanoparticles to carry out modification to existing water fever plastic resin paint, handled easily, almost can repair all water-soluble thermoplastic resin coatings, its repair coverage and selectivity are that ordinary light resin for restoration cannot be reached, and cut is filled up rate and reached more than 95%;
3, repeatedly prosthetic: the principle golden nanometer particle based on photo-thermal can excite heat-dissipating repeatedly, so photo-thermal reparation of the present invention also has repeatedly prosthetic, it can repair same affected area repeatedly, this is that heeling-in type self-healing system in the past cannot complete;
4, the simple method of the present invention substantially increases existing water-miscible paint class materials'use life-span and performance, has huge application prospect.
Accompanying drawing explanation
Fig. 1 is the picture in kind of the water-soluble thermoplastic resin coating that test one step 2 obtains, and 1 is cut, and region A is the water-soluble thermoplastic resin coating region not having cut;
Fig. 2 is the pictorial diagram using laser radiation light to repair the cut place of water-soluble thermoplastic resin coating, and 1 is cut, and region A is the water-soluble thermoplastic resin coating region not having cut, and 2 is laser;
Fig. 3 is the pictorial diagram after test one uses laser radiation light to repair the cut place of water-soluble thermoplastic resin coating.
Embodiment
Embodiment one: present embodiment is a kind of method that light repairs water-soluble thermoplastic resin coating's cut, specifically carries out according to the following steps:
Laser radiation light is used to repair the cut place of water-soluble thermoplastic resin coating; Described scratch width is less than 1mm; The light intensity 500W/cm of described laser
2~ 5000W/cm
2; The spot diameter of described laser is greater than 1.2 times of scratch width and is less than 2 times of scratch width; The wavelength of described laser is 480nm ~ 610nm;
Described water-soluble thermoplastic resin coating prepares according to the following steps:
One, the preparation of golden nanometer particle: be the HAuCl of 1% by massfraction
4the aqueous solution adds in deionized water, boiling is stirred under be 250rpm and temperature being the condition of 99 DEG C at rotating speed, be add the sodium citrate aqueous solution that massfraction is 1% under the condition of 600rpm ~ 1200rpm and boiling at rotating speed, be stop after reacting 15min ~ 20min under the condition of 600rpm ~ 1200rpm and boiling stirring and heating at rotating speed, naturally cool to room temperature, obtain color of spherical gold solution; Described massfraction is the HAuCl of 1%
4the volume ratio of the aqueous solution and deionized water is 1:(22.5 ~ 25); Described massfraction is the HAuCl of 1%
4the aqueous solution and massfraction are the volume ratio of the sodium citrate aqueous solution of 1% is 1:(0.5 ~ 6);
Two, coating preparation: color of spherical gold solution step one obtained and water-soluble thermoplastic resin Homogeneous phase mixing, be stir 3min, sonic oscillation 30s under the condition of 300rpm at rotating speed, obtain water-soluble thermoplastic resin; With spraying method, scraper for coating method or scraper coating method, water-soluble thermoplastic resin is spread evenly across on base material, being placed in baking oven is heat 10min ~ 20min under the condition of 80 DEG C in temperature, being warming up to 110 DEG C from 80 DEG C, is heat 10min ~ 20min under the condition of 110 DEG C in temperature; 140 DEG C are warming up to from 110 DEG C, be heat 10min ~ 20min under the condition of 140 DEG C in temperature, the boiling point 5 DEG C higher than the highest solvent of water-soluble thermoplastic resin mid-boiling point is warming up to from 140 DEG C, 30min is heated under temperature is the condition higher than the boiling point 5 DEG C of the highest solvent of water-soluble thermoplastic resin mid-boiling point, be cooled to room temperature, obtain water-soluble thermoplastic resin coating; The color of spherical gold solution that described step one obtains and the mass ratio of water-soluble thermoplastic resin are 1:(1 ~ 8).Embodiment two: present embodiment and embodiment one are unlike the light intensity 1200W/cm of described laser
2~ 3000W/cm
2.Other is identical with embodiment one.
Embodiment three: one of present embodiment and embodiment one to two unlike: the wavelength of described laser is 510nm ~ 540nm.Other is identical with one of embodiment one to two.
Embodiment four: one of present embodiment and embodiment one to three unlike: the massfraction described in step one is the HAuCl of 1%
4the aqueous solution and massfraction are the volume ratio of the sodium citrate aqueous solution of 1% is 1:(3 ~ 5).Other is identical with one of embodiment one to three.
Embodiment five: one of present embodiment and embodiment one to four unlike: the water-soluble thermoplastic resin described in step 2 is acrylic resin or vibrin.Other is identical with one of embodiment one to four.
Embodiment six: one of present embodiment and embodiment one to five unlike: the color of spherical gold solution that the step one described in step 2 obtains and the mass ratio of water-soluble thermoplastic resin are 1:(2 ~ 6).Other is identical with one of embodiment one to five.
Embodiment seven: one of present embodiment and embodiment one to six unlike: the second-order transition temperature of the water-soluble thermoplastic resin described in step 2 is 50 DEG C ~ 200 DEG C.Other is identical with one of embodiment one to six.
Adopt following verification experimental verification effect of the present invention:
Test one: this test is a kind of method that light repairs water-soluble thermoplastic resin coating's cut, specifically carries out according to the following steps:
Laser radiation light is used to repair the cut place of water-soluble thermoplastic resin coating; Described scratch width is 0.5mm; The light intensity 1500W/cm of described laser
2; The spot diameter of described laser is greater than 1.5 times of scratch width and is less than 2 times of scratch width; Described water-soluble thermoplastic resin coating's thickness is greater than 0.05mm; The wavelength of described laser is 520nm ~ 540nm;
Described water-soluble thermoplastic resin coating prepares according to the following steps:
One, the preparation of golden nanometer particle: be the HAuCl of 1% by massfraction
4the aqueous solution adds in deionized water, boiling is stirred under be 250rpm and temperature being the condition of 99 DEG C at rotating speed, be add the sodium citrate aqueous solution that massfraction is 1% under the condition of 1000rpm and boiling at rotating speed, be stop after reacting 20min under the condition of 1000rpm and boiling stirring and heating at rotating speed, naturally cool to room temperature, obtain color of spherical gold solution; Described massfraction is the HAuCl of 1%
4the volume ratio of the aqueous solution and deionized water is 1:23; Described massfraction is the HAuCl of 1%
4the aqueous solution and massfraction are the volume ratio of the sodium citrate aqueous solution of 1% is 1:4;
Two, coating preparation: color of spherical gold solution step one obtained and water-soluble thermoplastic resin Homogeneous phase mixing, be stir 3min, sonic oscillation 30s under the condition of 300rpm at rotating speed, obtain water-soluble thermoplastic resin; Be spread evenly across on base material with spraying method by water-soluble thermoplastic resin, being placed in baking oven is heat 20min under the condition of 80 DEG C in temperature, is warming up to 110 DEG C from 80 DEG C, is heat 20min under the condition of 110 DEG C in temperature; 140 DEG C are warming up to from 110 DEG C, be heat 20min under the condition of 140 DEG C in temperature, the boiling point 5 DEG C higher than the highest solvent of water-soluble thermoplastic resin mid-boiling point is warming up to from 140 DEG C, 30min is heated under temperature is the condition higher than the boiling point 5 DEG C of the highest solvent of water-soluble thermoplastic resin mid-boiling point, be cooled to room temperature, obtain water-soluble thermoplastic resin coating; The color of spherical gold solution that described step one obtains and the mass ratio of water-soluble thermoplastic resin are 1:4; Water-soluble thermoplastic resin described in step 2 is acrylic resin.
Fig. 1 is the picture in kind of the water-soluble thermoplastic resin coating that test one step 2 obtains, and 1 is cut, and region A is the water-soluble thermoplastic resin coating region not having cut;
Fig. 2 is the pictorial diagram using laser radiation light to repair the cut place of water-soluble thermoplastic resin coating, and 1 is cut, and region A is the water-soluble thermoplastic resin coating region not having cut, and 2 is laser;
Fig. 3 is the pictorial diagram after test one uses laser radiation light to repair the cut place of water-soluble thermoplastic resin coating.
Can find out that the method that the light of this test repairs water-soluble thermoplastic resin coating's cut heats space privileged site from Fig. 1-Fig. 3, and other position is not had an impact, handled easily, obtains excellent effect for scratching, and cut is filled up rate and reached more than 95%.
Claims (7)
1. light repairs a method for water-soluble thermoplastic resin coating's cut, it is characterized in that the method that light repairs water-soluble thermoplastic resin coating's cut is carried out according to the following steps:
Laser radiation light is used to repair the cut place of water-soluble thermoplastic resin coating; Described scratch width is less than 1mm; The light intensity 500W/cm of described laser
2~ 5000W/cm
2; The spot diameter of described laser is greater than 1.2 times of scratch width and is less than 2 times of scratch width; The wavelength of described laser is 480nm ~ 610nm;
Described water-soluble thermoplastic resin coating prepares according to the following steps:
One, the preparation of golden nanometer particle: be the HAuCl of 1% by massfraction
4the aqueous solution adds in deionized water, boiling is stirred under be 250rpm and temperature being the condition of 99 DEG C at rotating speed, be add the sodium citrate aqueous solution that massfraction is 1% under the condition of 600rpm ~ 1200rpm and boiling at rotating speed, be stop after reacting 15min ~ 20min under the condition of 600rpm ~ 1200rpm and boiling stirring and heating at rotating speed, naturally cool to room temperature, obtain color of spherical gold solution; Described massfraction is the HAuCl of 1%
4the volume ratio of the aqueous solution and deionized water is 1:(22.5 ~ 25); Described massfraction is the HAuCl of 1%
4the aqueous solution and massfraction are the volume ratio of the sodium citrate aqueous solution of 1% is 1:(0.5 ~ 6);
Two, coating preparation: color of spherical gold solution step one obtained and water-soluble thermoplastic resin Homogeneous phase mixing, be stir 3min, sonic oscillation 30s under the condition of 300rpm at rotating speed, obtain water-soluble thermoplastic resin; With spraying method, scraper for coating method or scraper coating method, water-soluble thermoplastic resin is spread evenly across on base material, being placed in baking oven is heat 10min ~ 20min under the condition of 80 DEG C in temperature, being warming up to 110 DEG C from 80 DEG C, is heat 10min ~ 20min under the condition of 110 DEG C in temperature; 140 DEG C are warming up to from 110 DEG C, be heat 10min ~ 20min under the condition of 140 DEG C in temperature, the boiling point 5 DEG C higher than the highest solvent of water-soluble thermoplastic resin mid-boiling point is warming up to from 140 DEG C, 30min is heated under temperature is the condition higher than the boiling point 5 DEG C of the highest solvent of water-soluble thermoplastic resin mid-boiling point, be cooled to room temperature, obtain water-soluble thermoplastic resin coating; The color of spherical gold solution that described step one obtains and the mass ratio of water-soluble thermoplastic resin are 1:(1 ~ 8).
2. a kind of light according to claim 1 repairs the method for water-soluble thermoplastic resin coating's cut, it is characterized in that the light intensity 1200W/cm of described laser
2~ 3000W/cm
2.
3. a kind of light according to claim 1 repairs the method for water-soluble thermoplastic resin coating's cut, it is characterized in that the wavelength of described laser is 510nm ~ 540nm.
4. a kind of light according to claim 1 repairs the method for water-soluble thermoplastic resin coating's cut, it is characterized in that the massfraction described in step one is the HAuCl of 1%
4the aqueous solution and massfraction are the volume ratio of the sodium citrate aqueous solution of 1% is 1:(3 ~ 5).
5. a kind of light according to claim 1 repairs the method for water-soluble thermoplastic resin coating's cut, it is characterized in that the water-soluble thermoplastic resin described in step 2 is acrylic resin or vibrin.
6. a kind of light according to claim 1 repairs the method for water-soluble thermoplastic resin coating's cut, it is characterized in that the mass ratio of the color of spherical gold solution that the step one described in step 2 obtains and water-soluble thermoplastic resin is 1:(2 ~ 6).
7. a kind of light according to claim 1 repairs the method for water-soluble thermoplastic resin coating's cut, it is characterized in that the second-order transition temperature of the water-soluble thermoplastic resin described in step 2 is 50 DEG C ~ 200 DEG C.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105691847A (en) * | 2016-04-25 | 2016-06-22 | 张合军 | Drink bottle |
| CN108659693A (en) * | 2018-06-08 | 2018-10-16 | 常熟理工学院 | The preparation method and restorative procedure of selfreparing graphene/thermoplastic resin coating |
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| JPH0432830A (en) * | 1990-05-30 | 1992-02-04 | Fuji Photo Film Co Ltd | Silver halide photographic sensitive material |
| CN103113745A (en) * | 2013-03-13 | 2013-05-22 | 哈尔滨工业大学 | Preparation and self-repairing method of carbon fiber/gold nanoparticle/polyether sulfone composite material with interface self-repairing performance |
| CN103159969A (en) * | 2013-03-13 | 2013-06-19 | 哈尔滨工业大学 | Preparation method and self-repair method of self-repairable polymethylmethacrylate resin film |
| CN104551012A (en) * | 2015-02-05 | 2015-04-29 | 哈尔滨工业大学 | Crystal seed growth method for preparing gold nano-particles |
| CN104725786A (en) * | 2015-03-06 | 2015-06-24 | 上海仕天工程塑料有限公司 | Self-repairing polymer material and repairing method thereof |
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2015
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0432830A (en) * | 1990-05-30 | 1992-02-04 | Fuji Photo Film Co Ltd | Silver halide photographic sensitive material |
| CN103113745A (en) * | 2013-03-13 | 2013-05-22 | 哈尔滨工业大学 | Preparation and self-repairing method of carbon fiber/gold nanoparticle/polyether sulfone composite material with interface self-repairing performance |
| CN103159969A (en) * | 2013-03-13 | 2013-06-19 | 哈尔滨工业大学 | Preparation method and self-repair method of self-repairable polymethylmethacrylate resin film |
| CN104551012A (en) * | 2015-02-05 | 2015-04-29 | 哈尔滨工业大学 | Crystal seed growth method for preparing gold nano-particles |
| CN104725786A (en) * | 2015-03-06 | 2015-06-24 | 上海仕天工程塑料有限公司 | Self-repairing polymer material and repairing method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105691847A (en) * | 2016-04-25 | 2016-06-22 | 张合军 | Drink bottle |
| CN108659693A (en) * | 2018-06-08 | 2018-10-16 | 常熟理工学院 | The preparation method and restorative procedure of selfreparing graphene/thermoplastic resin coating |
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| CN104946050B (en) | 2017-06-06 |
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