CN109868049A - A kind of no-solvent polyurethane fluorescent paint and preparation method thereof - Google Patents
A kind of no-solvent polyurethane fluorescent paint and preparation method thereof Download PDFInfo
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- CN109868049A CN109868049A CN201910238284.0A CN201910238284A CN109868049A CN 109868049 A CN109868049 A CN 109868049A CN 201910238284 A CN201910238284 A CN 201910238284A CN 109868049 A CN109868049 A CN 109868049A
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- fluorescent paint
- solvent polyurethane
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Abstract
The present invention discloses a kind of no-solvent polyurethane fluorescent paint, including component A and B component, and the component A includes following ingredient according to the mass fraction: solventfree resin: 40-50 parts；Fluorescent powder: 2-10 parts；Pigments and fillers: 50-55 parts；Auxiliary agent: 1-5 parts；The B component includes following ingredient according to the mass fraction: curing agent: 1-5 parts.VOC emission amount is extremely low, environmentally friendly in the preparation process of the no-solvent polyurethane fluorescent paint；Obtained polyurethane fluorescent paint is decorative well, resistance to ag(e)ing is good, color inhibition is good, flexibility is good.
Description
Technical field
The present invention relates to the technical fields of coating, and in particular to a kind of no-solvent polyurethane fluorescent paint and its preparation side
Method.
Background technique
Conventional fluorescent coating is solvent epoxy varnish coating, wherein solvent based coating, VOC emission amount is high, not environmentally,
And epoxy coating dicoration is not sufficiently good, flexibility is poor, not ageing-resistant.
Summary of the invention
The object of the present invention is to provide a kind of no-solvent polyurethane fluorescent paints and preparation method thereof, solve above-mentioned existing skill
One or more in art problem.
The present invention provides a kind of no-solvent polyurethane fluorescent paint, including component A and B component, and the component A includes pressing matter
Measure the following ingredient of number meter:
Solventfree resin: 40-50 parts；
Fluorescent powder: 2-10 parts；
Pigments and fillers: 50-55 parts；
Auxiliary agent: 1-5 parts；
The B component includes following ingredient according to the mass fraction:
Curing agent: 1-5 parts.
In some embodiments, the solid content of solventfree resin is 100%, viscosity 3000-5000, moisture content≤
0.1%.
In some embodiments, solventfree resin is solvent-free polyurethane resin.
In some embodiments, solvent-free polyurethane resin is isophorone diisocyanate, two isocyanide of hexa-methylene
Acid esters, biuret, HDI trimer, toluene di-isocyanate(TDI), methyl diphenylene diisocyanate kind it is one or more.
In some embodiments, pigments and fillers are one of titanium dioxide, talcum powder, wollastonite or lemon yellow or a variety of.
In some embodiments, auxiliary agent includes levelling agent.
In some embodiments, curing agent is aromatic poly-isocyanate.
In some embodiments, curing agent 4,4'- methyl diphenylene diisocyanate.
A kind of preparation method of no-solvent polyurethane fluorescent paint, comprising the following steps:
S1, solventfree resin and auxiliary agent are added in dispersion machine, with the Rate Dispersion 10-15min of 1000r/min, are obtained
To mixture；
S2, fluorescent powder and pigments and fillers are added in grinder, grinding distribution is carried out with the speed of 3000r/min；When point
After dissipating fineness less than 30 μm, the mixture that step S1 is obtained is added and obtains A later with the Rate Dispersion 10min of 1000r/min
Component；
S3, A, B component are mixed according to mass ratio 20:1-100:1,5-10min are stirred with the speed of 300-500r/min,
It stirs evenly to get no-solvent polyurethane fluorescent paint is arrived.
The utility model has the advantages that
VOC emission amount is extremely low, environmentally friendly in the preparation process of the no-solvent polyurethane fluorescent paint of the embodiment of the present invention；It obtains
Polyurethane fluorescent paint it is decorative it is good, resistance to ag(e)ing is good, color inhibition is good, flexibility is good.
Specific embodiment
The present invention is described in more detail below by embodiment.
Embodiment 1
A kind of preparation method of no-solvent polyurethane fluorescent paint, comprising the following steps:
α 1,40 parts of solvent-free polyurethane resin and 1 part of levelling agent are added in dispersion machine, with 1000r/min's
Rate Dispersion 10-15min, obtains mixture；
α 2,2 parts of fluorescent powder and 50 parts of titanium dioxide are added in grinder, are ground with the speed of 3000r/min
Mill dispersion；After fineness of dispersion is less than 30 μm, above-mentioned mixture is added, later with the Rate Dispersion 10min of 1000r/min, obtains
To component A；
α 3, A, B component are mixed according to mass ratio 100:1, wherein B component is 4,4'- methyl diphenylene diisocyanate,
5-10min is stirred with the speed of 300-500r/min, is stirred evenly to get no-solvent polyurethane fluorescent paint α is arrived.
Embodiment 2
A kind of preparation method of no-solvent polyurethane fluorescent paint, comprising the following steps:
β 1,50 parts of solvent-free polyurethane resin and 5 parts of levelling agent are added in dispersion machine, with 1000r/min's
Rate Dispersion 10-15min, obtains mixture；
β 2,10 parts of fluorescent powder and 50 parts of talcum powder are added in grinder, are ground with the speed of 3000r/min
Mill dispersion；After fineness of dispersion is less than 30 μm, above-mentioned mixture is added, later with the Rate Dispersion 10min of 1000r/min, obtains
To component A；
β 3, A, B component are mixed according to mass ratio 50:1, wherein B component is 4,4'- methyl diphenylene diisocyanate,
5-10min is stirred with the speed of 300-500r/min, is stirred evenly to get no-solvent polyurethane fluorescent paint β is arrived.
Embodiment 3
A kind of preparation method of no-solvent polyurethane fluorescent paint, comprising the following steps:
γ 1,45 parts of solvent-free polyurethane resin and 2 parts of levelling agent are added in dispersion machine, with 1000r/min's
Rate Dispersion 10-15min, obtains mixture；
γ 2,5 parts of fluorescent powder and 52 parts of wollastonite are added in grinder, are ground with the speed of 3000r/min
Mill dispersion；After fineness of dispersion is less than 30 μm, above-mentioned mixture is added, later with the Rate Dispersion 10min of 1000r/min, obtains
To component A；
γ 3, A, B component are mixed according to mass ratio 20:1, wherein B component is 4,4'- methyl diphenylene diisocyanate,
5-10min is stirred with the speed of 300-500r/min, is stirred evenly to get no-solvent polyurethane fluorescent paint γ is arrived.
Performance test:
The embodiment 1-3 sample prepared is stirred evenly, is constructed on substrate.
The technical indicator of sample
1. surface drying time within 6 hours, did solid work the time within 48 hours；
2. 0 grade of adhesive force；
③VOC≤60；
4. water resistance >=168h.
The no-solvent polyurethane fluorescent paint of the embodiment of the present invention, adhesive force is strong, does not disturb to environment small, and water resistance is excellent
It is different.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those skilled in the art,
Without depart from that overall concept of the invention, several changes and improvements can also be made, these also should be considered as of the invention
Protection scope.
Claims (9)
1. a kind of no-solvent polyurethane fluorescent paint, which is characterized in that including component A and B component, the component A includes pressing matter
Measure the following ingredient of number meter:
Solventfree resin: 40-50 parts；
Fluorescent powder: 2-10 parts；
Pigments and fillers: 50-55 parts；
Auxiliary agent: 1-5 parts；
The B component includes following ingredient according to the mass fraction:
Curing agent: 1-5 parts.
2. a kind of no-solvent polyurethane fluorescent paint according to claim 1, which is characterized in that the solventfree resin
Solid content is 100%, viscosity 3000-5000, moisture content≤0.1%.
3. a kind of no-solvent polyurethane fluorescent paint according to claim 1, which is characterized in that the solventfree resin is
Solvent-free polyurethane resin.
4. a kind of no-solvent polyurethane fluorescent paint according to claim 3, which is characterized in that the no-solvent polyurethane
Resin be isophorone diisocyanate, hexamethylene diisocyanate, biuret, HDI trimer, toluene di-isocyanate(TDI),
Methyl diphenylene diisocyanate kind it is one or more.
5. a kind of no-solvent polyurethane fluorescent paint according to claim 1, which is characterized in that the pigments and fillers are titanium white
One of powder, talcum powder, wollastonite or lemon yellow are a variety of.
6. a kind of no-solvent polyurethane fluorescent paint according to claim 1, which is characterized in that the auxiliary agent includes levelling
Agent.
7. a kind of no-solvent polyurethane fluorescent paint according to claim 1, which is characterized in that the curing agent is fragrance
Adoption isocyanates.
8. a kind of no-solvent polyurethane fluorescent paint according to claim 7, which is characterized in that the curing agent is 4,
4'- methyl diphenylene diisocyanate.
9. a kind of preparation method of no-solvent polyurethane fluorescent paint described in any claim in claim 1 to 8, including
Following steps:
S1, solventfree resin and auxiliary agent are added in dispersion machine, with the Rate Dispersion 10-15min of 1000r/min, are mixed
Close material；
S2, fluorescent powder and pigments and fillers are added in grinder, grinding distribution is carried out with the speed of 3000r/min；When dispersion is thin
After degree is less than 30 μm, the mixture that step S1 is obtained is added and obtains component A later with the Rate Dispersion 10min of 1000r/min；
S3, A, B component are mixed according to mass ratio 20:1-100:1,5-10min, stirring is stirred with the speed of 300-500r/min
Uniformly to get arrive no-solvent polyurethane fluorescent paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910238284.0A CN109868049A (en) | 2019-03-27 | 2019-03-27 | A kind of no-solvent polyurethane fluorescent paint and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910238284.0A CN109868049A (en) | 2019-03-27 | 2019-03-27 | A kind of no-solvent polyurethane fluorescent paint and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN109868049A true CN109868049A (en) | 2019-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910238284.0A Pending CN109868049A (en) | 2019-03-27 | 2019-03-27 | A kind of no-solvent polyurethane fluorescent paint and preparation method thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102702934A (en) * | 2012-05-30 | 2012-10-03 | 广东普加福光电科技有限公司 | Fluorescent transparent coating capable of realizing full colors, preparation method and luminous device using fluorescent transparent coating |
| CN106634527A (en) * | 2015-10-28 | 2017-05-10 | 上海维度化工科技有限公司 | Two-component solvent-free polyurethane fluorescent coating material, preparation method, and use method thereof |
-
2019
- 2019-03-27 CN CN201910238284.0A patent/CN109868049A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102702934A (en) * | 2012-05-30 | 2012-10-03 | 广东普加福光电科技有限公司 | Fluorescent transparent coating capable of realizing full colors, preparation method and luminous device using fluorescent transparent coating |
| CN106634527A (en) * | 2015-10-28 | 2017-05-10 | 上海维度化工科技有限公司 | Two-component solvent-free polyurethane fluorescent coating material, preparation method, and use method thereof |
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Application publication date: 20190611 |
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| RJ01 | Rejection of invention patent application after publication |