CN103788805A - Coating material for retro-reflective film surface and preparation method thereof - Google Patents
Coating material for retro-reflective film surface and preparation method thereof Download PDFInfo
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- CN103788805A CN103788805A CN201410028920.4A CN201410028920A CN103788805A CN 103788805 A CN103788805 A CN 103788805A CN 201410028920 A CN201410028920 A CN 201410028920A CN 103788805 A CN103788805 A CN 103788805A
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Abstract
The invention provides a coating material for a retro-reflective film surface and a preparation method thereof. The coating material comprises the following components in parts by weight: 15-40 parts of polymethyl methacrylate, 2-6 parts of nanometer silicon dioxide, 45-80 parts of solvent and 2-8 parts of hardening agent. The preparation method comprises the following steps: mixing the nanometer silicon dioxide, the solvent and the hardening agent in proportion, dispersing for 15-20 hours at high speed in a ball mill, transferring to a mixer, adding the polymethyl methacrylate, heating to 65-70 DEG C, stirring, uniformly mixing, filtering by using a 300-mesh sieve and packaging. The coating material for the retro-reflective film surface, provided by the invention, has relatively good corrosion resistance, weather fastness, fouling resistance, high transparency and high light transmittance.
Description
Technical field
The present invention relates to light reflecting material field, be specifically related to a kind of regression reflecting film coating material.
Background technology
Regression reflecting film is that a kind of light shows a device, light reflection can be gone back, and installs regression reflecting film on vestlifejacket additional, can strengthen its visibility in bad visibility environment, improves the found probability of drowning people, increases the possibility of rescue.Reflecting power is weighed by retro-reflecting coefficient, and retro-reflecting coefficient is higher, and reflecting properties is better, and for guaranteeing certain working life, vestlifejacket need to have certain wash durability and insolation performance with tapetum lucidum simultaneously.Therefore, the surface layer material of regression reflecting film selects to seem more important, and it has determined the main physical and chemical of regression reflecting film.
The surface layer material transparency of existing regression reflecting film and processibility all can, but weathering resistance is not good enough, and regression reflecting does not often require good weathering resistance, resistance to soiling and weather resistance.
Summary of the invention
In view of above-mentioned information, one of object of the present invention is to provide a kind of coated material that is coated on regression reflecting film surface, improves its weathering resistance, resistance to soiling and weather resistance.
The invention provides a kind of regression reflecting film coating material, comprise by weight following component: 15 ~ 40 parts of polymethylmethacrylates, 2 ~ 6 parts of nano silicons, 45 ~ 80 parts of solvents, 2 ~ 8 parts of stiffening agents.
Described solvent is ethyl acetate or ethanol.
Described stiffening agent is selected from aliphatic polymeric isocyanate.
Another object of the present invention is to provide a kind of preparation method of regression reflecting film coating material, comprise the steps: nano silicon, solvent and stiffening agent to mix by proportioning, disperse 15 ~ 20 hours in ball mill high speed, be transferred in mixing tank, add polymethylmethacrylate, be heated to 65 ~ 70 ℃, be uniformly mixed, packing after filtering with 300 mesh sieves.
Regression reflecting film coating material provided by the invention, has good erosion resistance, weathering resistance and resistance to soiling, and the transparency is high, and printing opacity power is strong.
Embodiment
The following examples can make the present invention of those skilled in the art comprehend, but do not limit the present invention in any way.
Embodiment 1
Get 2 parts of nano silicons, 45 parts of ethyl acetate and 2 parts of mixing of aliphatic polymeric isocyanate, disperse 15 ~ 20 hours in ball mill high speed, be transferred in mixing tank, add 15 parts of polymethylmethacrylates, be heated to 65 ~ 70 ℃, be uniformly mixed, packing after filtering with 300 mesh sieves.
By the coating obtaining, be coated in roller painting above the top layer of urethane surface layer reflecting film, the thickness of coating is 10-20 μ m, then uses 80-120W/cm
2ultraviolet source carry out 15 seconds solidify, can make the regression reflecting film that is coated with coating material of the present invention, this coating is at 351nm, the transmittance of 527nm and 1054nm is respectively 93.6%, 95.2%, 99.0%.
The regression reflecting film making is soaked and carries out 2min(standard regulation 1min) toluene and methyl alcohol submergence experiment, the resistance to dissolubility of coating can reach standard regulation; Through 36h(standard regulation 24h) high temperature experiment and 100h(standard stipulate 72h) after low temperature test, the resistance to elevated temperatures of coating and resistance to low temperature all can stipulate to standard; Through the smog experiment in 7 cycles (standard 5 cycles of regulation), the corrosion resistance nature of coating reaches standard-required.
Embodiment 2
Get 4 parts of nano silicons, 60 parts of ethyl acetate and 5 parts of mixing of aliphatic polymeric isocyanate, disperse 15 ~ 20 hours in ball mill high speed, be transferred in mixing tank, add 25 parts of polymethylmethacrylates, be heated to 65 ~ 70 ℃, be uniformly mixed, packing after filtering with 300 mesh sieves.
Be coated with the preparation method of regression reflecting film of coating material of the present invention with embodiment 1, this coating is at 351nm, and the transmittance of 527nm and 1054nm is respectively 94.5%, 96.2%, and 99.3%.
The regression reflecting film making is soaked and carries out 2min(standard regulation 1min) toluene and methyl alcohol submergence experiment, the resistance to dissolubility of coating can reach standard regulation; Through 36h(standard regulation 24h) high temperature experiment and 100h(standard stipulate 72h) after low temperature test, the resistance to elevated temperatures of coating and resistance to low temperature all can stipulate to standard; Through the smog experiment in 7 cycles (standard 5 cycles of regulation), the corrosion resistance nature of coating reaches standard-required.
Embodiment 3
Get 6 parts of nano silicons, 80 parts of ethanol and 8 parts of mixing of aliphatic polymeric isocyanate, disperse 15 ~ 20 hours in ball mill high speed, be transferred in mixing tank, add 40 parts of polymethylmethacrylates, be heated to 65 ~ 70 ℃, be uniformly mixed, packing after filtering with 300 mesh sieves.
Be coated with the preparation method of regression reflecting film of coating material of the present invention with embodiment 1, this coating is at 351nm, and the transmittance of 527nm and 1054nm is respectively 95.1%, 97.2%, and 99.0%.
The regression reflecting film making is soaked and carries out 2min(standard regulation 1min) toluene and methyl alcohol submergence experiment, the resistance to dissolubility of coating can reach standard regulation; Through 36h(standard regulation 24h) high temperature experiment and 100h(standard stipulate 72h) after low temperature test, the resistance to elevated temperatures of coating and resistance to low temperature all can stipulate to standard; Through the smog experiment in 7 cycles (standard 5 cycles of regulation), the corrosion resistance nature of coating reaches standard-required.
Claims (4)
1. a regression reflecting film coating material, is characterized in that, comprises by weight following component: 15 ~ 40 parts of polymethylmethacrylates, 2 ~ 6 parts of nano silicons, 45 ~ 80 parts of solvents, 2 ~ 8 parts of stiffening agents.
2. a kind of regression reflecting film coating material according to claim 1, is characterized in that, described solvent is ethyl acetate or ethanol.
3. a kind of regression reflecting film coating material according to claim 1, is characterized in that, described stiffening agent is selected from aliphatic polymeric isocyanate.
4. the preparation method based on a kind of regression reflecting film coating material claimed in claim 1, it is characterized in that, comprise the steps: nano silicon, solvent and stiffening agent to mix by proportioning, disperse 15 ~ 20 hours in ball mill high speed, be transferred in mixing tank, add polymethylmethacrylate, be heated to 65 ~ 70 ℃, be uniformly mixed packing after filtering with 300 mesh sieves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410028920.4A CN103788805A (en) | 2014-01-22 | 2014-01-22 | Coating material for retro-reflective film surface and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410028920.4A CN103788805A (en) | 2014-01-22 | 2014-01-22 | Coating material for retro-reflective film surface and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103788805A true CN103788805A (en) | 2014-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410028920.4A Withdrawn CN103788805A (en) | 2014-01-22 | 2014-01-22 | Coating material for retro-reflective film surface and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN103788805A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106590303A (en) * | 2016-12-16 | 2017-04-26 | 广州市家御广告制品有限公司 | Coating for ultraviolet curing acrylic material, and preparation method and application thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013184536A1 (en) * | 2012-06-05 | 2013-12-12 | Arkema France | Optical reflection films |
-
2014
- 2014-01-22 CN CN201410028920.4A patent/CN103788805A/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013184536A1 (en) * | 2012-06-05 | 2013-12-12 | Arkema France | Optical reflection films |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106590303A (en) * | 2016-12-16 | 2017-04-26 | 广州市家御广告制品有限公司 | Coating for ultraviolet curing acrylic material, and preparation method and application thereof |
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Application publication date: 20140514 |