CN107189527A - A kind of long afterglow waterproof luminous coating and preparation method thereof - Google Patents
A kind of long afterglow waterproof luminous coating and preparation method thereof Download PDFInfo
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- CN107189527A CN107189527A CN201710547802.8A CN201710547802A CN107189527A CN 107189527 A CN107189527 A CN 107189527A CN 201710547802 A CN201710547802 A CN 201710547802A CN 107189527 A CN107189527 A CN 107189527A
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/22—Luminous paints
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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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
- C09D183/06—Polysiloxanes containing silicon bound to oxygen-containing groups
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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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
- C09D183/08—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
Abstract
The present invention relates to a kind of long afterglow waterproof luminous coating and preparation method thereof, the long afterglow waterproof luminous coating includes：By weight percentage, long-afterglow fluorescent powder 5~50%, solvent 40~80%, auxiliary agent 1~10%, hydrophobic modifier 1~20%.The method of the invention modified effect substantially, is firmly combined with matrix, and transparency is high, and the transmission of sunshine is not influenceed, and hydrophobic modifier preparation technology is simple, and cost is relatively low.
Description
Technical field
The invention belongs to Functional Architectural Coatings in China technical field, it particularly relates to a kind of long afterglow waterproof luminous coating
And preparation method thereof.
Background technology
Long after glow luminous material is that class absorption excites luminous energy and is stored up, and light is excited after stopping again the energy of storage
Slow release comes out in the form of light, the sustainable several or even luminescent material of more than ten hour.Using aluminate as matrix, two
Valency europium ion is activator, and trivalent dysprosium ion is the rare-earth-doped strontium aluminate class luminescent material of coactivator, luminosity is big,
Efficiency high, persistence length, without radioactive element, be a kind of new " green " source material.It is thus wide in many fields
General application, such as be made the materials such as luminous paint, luminescent plastic, luminous printing ink, security against fire device, luminescent ceramic.
The primary production of long after glow luminous material is powder, can obtain the powder of various particle size ranges by crushing and sieving
End, but powder is not final application state, in addition it is also necessary to it is fixed to using various technologies on specific support, luminous paint
It is exactly a kind of its important application.In the manufacturing technology of known luminous paint, generally there is prescription complexity, in process
In need to be handled at high temperature, and need to carry out the complicated techniques such as prolonged grinding, thus material and technique into
This is high, but performance is not still good, water resistance, wears no resistance, and adhesive force is not strong, needs the long period to dry after spraying,
Brightness is uneven, and the noctilucence time is short.Such as：Publication No. CN105802475A Chinese invention patent application is also disclosed
A kind of light-accumulating long-afterlow luminous paint, its technical principle is made up of luminescent layer and reflector layer, with improve luminous intensity and
Fluorescent lifetime, but its component is more, preparation technology is complicated, cost is high, is unfavorable for industrialized production, and non-watertight, using by
Limit.Publication No. CN104861812A Chinese invention patent application also discloses long-persistence luminous water paint, its preparation side
Method is that first commercially available long afterglow powder is modified after processing, filtration drying with hydrophobic modifier to obtain hydrophobically modified luminescent powder
Body, is disperseed on high speed dispersor afterwards, obtains long-afterglow luminescent paint, can for a long time be stablized in aqueous environments, is lighted
For up to 12h, but the complex process, program is cumbersome, and cost is higher.
The content of the invention
In view of the above-mentioned problems, it is an object of the invention to provide one kind formula is simple, manufacturing process is simple, luminescent properties are excellent
Stable long afterglow waterproof luminous coating of good and performance and preparation method thereof.
On the one hand, the invention provides a kind of long afterglow waterproof luminous coating, including：By weight percentage, long afterglow
Fluorescent powder 5~50%, solvent 40~80%, auxiliary agent 1~10%, hydrophobic modifier 1~20%.
It is preferred that it is that activator, trivalent dysprosium ion are coactivator that the long-afterglow fluorescent powder, which is divalent europium,
Rare-earth-doped strontium aluminate class luminescent material, the particle diameter of described long-afterglow fluorescent powder is 10~100 μm.
It is preferred that the solvent is at least one of methanol, absolute ethyl alcohol, isopropanol and n-butanol.
It is preferred that the auxiliary agent is coalescents, dispersant, wetting agent, defoamer, thickener, antiseptic, antifreezing agent
At least one of with conditioning agent.
It is preferred that the hydrophobic modifier is after mixing organic solvent and silica coupling agent, the hydro-thermal at 80~200 DEG C
Reaction 3~48 hours, obtained hydrophobic modifier；
The silica coupling agent is 3- aminopropyls trimethoxy siloxane (APTMS), 3- aminopropyl triethoxysilanes (APTES)
At least one of with 3- glycidylpropyls trimethoxy silane (GPTMS).In the present invention, the hydrophobic modifier can
To form silica with self strong conjunction (see reaction equation, as shown in Figure 7) or with substrate PET film (see reaction equation, as shown in Figure 8)
It is strong to aggregate into network, to improve the adhesion with substrate.Long-afterglow fluorescent powder is uniform to be distributed in silica network, do not send out
Biochemical reaction.That is, after the hydrophobic modifier is combined with substrate (for example, PET etc.), can be formed in matrix surface
Transparent silica network film of a layer thickness between 40~100nm.
Also, it is preferred that the mass ratio of the organic solvent and silica coupling agent is (9~99)：1, the organic solvent is
At least one of methanol, absolute ethyl alcohol, isopropanol, n-butanol and acetone, and organic solvent purity for AR and more than.
On the other hand, the invention provides a kind of preparation method of long afterglow waterproof luminous coating described above, including：
After solvent and auxiliary agent are mixed, first stirred 5~15 minutes under 200~1000r/min, add long lad phosphor
Body, stirs 4~12 hours in more than 1000r/min and less than or equal under 10000r/min, obtains slurry；It is scattered using substep
Method, solvent and auxiliary agent break up well mixed in advance, are conducive to long afterglow powder is more preferable must scatter, do not reunite；Will be hydrophobic
Modifying agent is added into gained slurry, after being well mixed, obtains the long afterglow waterproof luminous coating.
It is preferred that before being mixed with solvent and auxiliary agent, being pre-processed to long-afterglow fluorescent powder, the pretreatment is
Long-afterglow fluorescent powder (long afterglow powder) is added in absolute ethyl alcohol, after ball milling mixing, then processing is dried；With it is not pre-
The business powder of processing is compared, and more preferably, the slurry matched somebody with somebody is not susceptible to sedimentation to the dispersion effect of pretreated long lad phosphor.
It is preferred that hydrophobic modifier is added dropwise in gained slurry, it is well mixed under 500~2000r/min, obtains institute
State long afterglow waterproof luminous coating.
Another further aspect, present invention also offers a kind of coating of long afterglow waterproof luminous coating preparation described above.
Advantages of the present invention：
1st, prescription of the present invention is simple compared with background technology, and processing technology is simple, and material and process costs are greatly lowered, favorably
In popularization and application；
2nd, the method for the invention modified effect substantially, is firmly combined with matrix, and transparency is high, and the transmission of sunshine is not influenceed,
And hydrophobic modifier preparation technology is simple, cost is relatively low；
3rd, its water resistance of the product of the present invention is more more longlasting than background technology, and shock resistance more preferably, resists ambient influnence
Ability more preferably, is applied in the first-class application of outdoor road safety warning-panel, is greatly improved the security of traffic, so as to bring
Huge economic results in society.
Brief description of the drawings
Fig. 1 is the 0.3mm coatings prepared by the long afterglow waterproof luminous coating of the present invention, and wherein a is embodiment 1, and b is
Embodiment 2, as can be seen from Figure 1 after friction testing and water impact test, long afterglow waterproof luminous coating of the invention
Prepared 0.3mm coatings are not show-through, surface nondestructive；
Fig. 2 for the present invention long afterglow waterproof luminous coating prepared by 0.3mm coatings soaked 10 months in water after in xenon lamp
Illuminated diagram after lower irradiation 5min, wherein a is embodiment 1, and b is embodiment 2, and long afterglow of the invention is prevented as can be seen from Figure 2
Coating prepared by water luminous paint never degenerates after being soaked 10 months in water, still there is good illumination effect；
Fig. 3 is the friction testing figure of the 0.3mm coatings prepared by the long afterglow waterproof luminous coating of the present invention, and wherein a is contrast
Example 1, b is embodiment 1, as can be seen from Figure 3 using the prepared coating and substrate caking power out of common silane coupler
Difference, not poor waterproof properties and rub resistance, easily comes off, and the coating prepared by long afterglow waterproof luminous coating of the invention has good
The ability of good resistance ambient influnence, application prospect is extensive；
Fig. 4 is the 0.3mm coatings prepared by the long afterglow waterproof luminous coating of embodiments of the invention 1 being immersed in water；
Fig. 5 is the 0.3mm coatings prepared by the long afterglow waterproof luminous coating of embodiments of the invention 2 being immersed in water；
Fig. 6 be coating prepared by the long afterglow waterproof luminous coating of the invention being immersed in water after solar radiation 8h
Afterglow luminescence procedure chart under dark surrounds, wherein A is embodiment 1, and B is embodiment 2, as can be seen from Figure 6 length of the invention
Coating prepared by twilight sunset waterproof luminous coating can in water continuous illumination, sunset glow is for up to 12h；
Fig. 7 is the schematic diagram that self strong reaction equation closed occurs for hydrophobic modifier；
Fig. 8 is that the schematic diagram of the strong reaction equation closed occurs with substrate PET film for hydrophobic modifier.
Embodiment
The present invention is further illustrated below by way of following embodiments, it should be appreciated that following embodiments are merely to illustrate this
Invention, is not intended to limit the present invention.
Long afterglow waterproof luminous coating of the present invention includes pretreatment long lad phosphor, solvent, auxiliary agent and hydrophobic changed
Property agent.Specifically, the present invention realizes the preparation of long afterglow waterproof luminous coating by following prescription technique：Specific prescription bag
Include：(weight %) long-afterglow fluorescent powder (or pretreated long-afterglow fluorescent powder) 5~50%, solvent 40~80%, help
Agent 1~10%, hydrophobic modifier 1~20%.
Illustrate to following exemplary the preparation method for the long afterglow waterproof luminous coating that the present invention is provided.
The preparation of hydrophobic modifier.The specific organic solvent selected：Methanol, absolute ethyl alcohol, isopropanol, n-butanol, acetone
Deng and purity be AR and more than.The silica coupling agent can be 3- aminopropyls trimethoxy siloxane (APTMS), 3- aminopropyls three
At least one of Ethoxysilane (APTES) and 3- glycidylpropyls trimethoxy silane (GPTMS).Then steaming is utilized
Method is evaporated, the relatively low organic solvent of water content is prepared.Injected after above-mentioned specific organic solvent and silica coupling agent is sufficiently mixed poly-
In tetrafluoroethene water heating kettle.80~200 DEG C are to slowly warm up to, heating rate is less than 15 DEG C/min.Then after 3~48h of insulation,
Room temperature is cooled to, the solution after hydro-thermal and closed preservation is taken out.Wherein, the mass ratio of organic solvent and the silica coupling agent
Can be (9~99)：1.
The pretreatment of long lad phosphor.Commercially available long afterglow powder is added in absolute ethyl alcohol, planetary type ball-milling is placed in
Wet-milling in machine, Ball-milling Time 4-10h, after be positioned over drying process in baking oven.
The dispersing technology of powder.Take pretreated long afterglow powder (mass ratio 5-50%), solvent (mass ratio 40-
80%) with auxiliary agent (mass ratio 1-10%) into high speed dispersor, under 200-1000r/min (preferably 500-800r/min)
First stirring at low speed 5-15 minutes, it is to be mixed it is uniform after, more than 1000r/min and less than or equal to 10000r/min (preferably
1500-3500r/min) disperse 4-12h at a high speed, obtain slurry.The auxiliary agent can be coalescents (such as phenmethylol, 12 carbon
Alcohol ester, butyl glycol ether etc.), dispersant (such as BYK2013, YCK2200, YCK2240), wetting agent (such as dodecyl
Benzene sulfonic acid sodium salt, succinate sodium sulfonate, sldium lauryl sulfate etc.), defoamer (such as methyl-silicone oil, polyether antifoam agent),
Thickener (such as carboxyl methyl cellulose type thickener, hydroxyethyl cellulose type thickener), antiseptic (such as isothiazolone,
Thiazoles antiseptic etc.), antifreezing agent (such as isopropanol, ethylene glycol, propane diols) and conditioning agent (specific optional an amino
At least one of one monomethyl propyl alcohol one by one).The solvent can be methanol, absolute ethyl alcohol, isopropanol and n-butanol in extremely
Few one kind.
Water-proofing treatment.Take hydrophobic modifier (mass ratio 1-20%) to be added drop-wise to inside foregoing slurry, be added dropwise while stirring,
Rotating speed is in 500-2000r/min, and the color of slurry is deepened slightly, but is not chemically reacted, and after being well mixed, is grown
Twilight sunset waterproof luminous coating.Hydrophobic modifier can be with substrate one layer of firm network structure of formation so that is prepared into coating and base
Bottom is firmly combined with.
As an example, pretreated long afterglow powder (mass ratio 5-50%), solvent (mass ratio 40- are taken
80%) with auxiliary agent (mass ratio 1-10%) into high speed dispersor, first stirring at low speed 5-15 minutes under 200-1000r/min,
It is to be mixed it is uniform after, in 1000-2000r/min scattered 4-12h at a high speed, obtain slurry；Take hydrophobic modifier (mass ratio 1-
20%) it is added drop-wise to inside slurry, is added dropwise while stirring, rotating speed after being well mixed, obtains long afterglow in 200-10000r/min
Waterproof luminous coating.Preferably, in the preferred embodiments of the present invention, the solvent is in absolute ethyl alcohol, isopropanol, n-butanol
One kind.
Generally speaking, the present invention carries out hydrophobically modified to long-afterglow fluorescent powder (luminescent powder) dispersion liquid, obtains in water
Property environment it is steady in a long-term, more than continuous illumination 12h long-afterglow luminescent paint, technological merit of the invention is：Combined with film
Property very well, water proofing property scratch it is good, preparation technology is simple, with low cost, be conducive to industrialization mass produce.
Long afterglow waterproof luminous coating described above is prepared into respective coatings by coating.Coating layer thickness obtained by wherein
It can as needed be adjusted, may generally be 0.3~1mm.The mode of above-mentioned coating is included but are not limited to, spray, impregnate,
The modes such as spin coating.
Embodiment is enumerated further below to describe the present invention in detail.It will similarly be understood that following examples are served only for this
Invention is further described, it is impossible to be interpreted as limiting the scope of the invention, those skilled in the art is according to this hair
Some nonessential modifications and adaptations that bright the above is made belong to protection scope of the present invention.Following examples are specific
Technological parameter etc. be also only an example in OK range, i.e. those skilled in the art can be done by this paper explanation
Selected in suitable scope, and do not really want to be defined in the concrete numerical value of hereafter example.
Embodiment 1
The preparation of hydrophobic modifier：By the specific organic solvent-acetones of middle 72g and 8g silica coupling agent (3- aminopropyl trimethoxy silicon
Oxygen alkane (APTMS)) be sufficiently mixed after in injection polytetrafluoroethylene (PTFE) water heating kettle, be to slowly warm up to 160 DEG C, heating rate is 10 DEG C
/ min, is incubated 6h, is cooled to room temperature, takes out the solution after hydro-thermal and closed preservation；
The pretreatment of long afterglow powder：The commercially available long afterglow powders of 50g (powder footpath is 10-100 μm) are added to the anhydrous second of 100ml
In alcohol, it is placed in after wet-milling in planetary ball mill, Ball-milling Time 6h, is positioned over drying process in baking oven；
Take pretreated long afterglow powder (mass ratio 20%), solvent (isopropanol, mass ratio 70%) and auxiliary agent (BYK2013
And defoamer, mass ratio 3%) into high speed dispersor, first stirring at low speed 10 minutes under 500r/min, it is to be mixed it is uniform after,
Disperse 8h at a high speed in 1500r/min, obtain slurry；Hydrophobic modifier (mass ratio 7%) is taken to be added drop-wise to inside slurry, side stirring
Side is added dropwise, and rotating speed after being well mixed, obtains long afterglow waterproof luminous coating of the present invention in 800r/min.
In work progress, long afterglow waterproof luminous coating prepared by the embodiment of the present invention 1 is applied in PET film, applied
Film thickness is up to 1mm.
The coating products performance that embodiment 1 is obtained is detected, is as a result shown：It can do within 5 minutes after blade coating；Use A4 paper
Friction coatings 20000 times, it is not show-through；With internal diameter 2cm water pipe with 10m/min flow velocity impact coating 10000 times, surface without
Damage；Can in water continuous illumination time 12h, and never degenerate for 10 months.
It was found from above-mentioned test result, long afterglow waterproof luminous coating produced by the present invention have good rub resistance,
Impact resistance, storage stability and luminescent properties, application prospect are extensive, it is adaptable to public building, commercial building and road instruction
Etc. occasion.
Embodiment 2
The preparation of hydrophobic modifier：By the specific organic solvent absolute ethyl alcohols of middle 72g and 8g silica coupling agent (3- aminopropyl trimethoxies
Radical siloxane APTMS) be sufficiently mixed after injection polytetrafluoroethylene (PTFE) water heating kettle in, be to slowly warm up to 160 DEG C, heating rate is 10
DEG C/min, 6h is incubated, room temperature is cooled to, the solution after hydro-thermal and closed preservation is taken out；
The pretreatment of long afterglow powder：The commercially available long afterglow powders of 50g (powder footpath is 10-100 μm) are added to the anhydrous second of 100ml
In alcohol, it is placed in after wet-milling in planetary ball mill, Ball-milling Time 6h, is positioned over drying process in baking oven；
Take pretreated long afterglow powder (mass ratio 20%), solvent (isopropanol, mass ratio 70%) and auxiliary agent (BYK2013
And defoamer, mass ratio 3%) into high speed dispersor, first stirring at low speed 10 minutes under 500r/min, it is to be mixed it is uniform after,
Disperse 8h at a high speed in 1500r/min, obtain slurry；Hydrophobic modifier (mass ratio 7%) is taken to be added drop-wise to inside slurry, side stirring
Side is added dropwise, and rotating speed after being well mixed, obtains long afterglow waterproof luminous coating of the present invention in 800r/min.
In work progress, long afterglow waterproof luminous coating prepared by the embodiment of the present invention 2 is applied in PET film, applied
Film thickness is up to 1mm.
The coating products performance that embodiment 2 is obtained is detected, is as a result shown：It can do within 5 minutes after blade coating；Use A4 paper
Friction coatings 20000 times, it is not show-through；With internal diameter 2cm water pipe with 10m/min flow velocity impact coating 10000 times, surface without
Damage；Can in water continuous illumination time 12h, and never degenerate for 10 months.
It was found from above-mentioned test result, the water-repelling agent effect prepared using absolute ethyl alcohol and the water-repelling agent prepared using acetone
Effect is more or less the same, illustrate long afterglow waterproof luminous coating produced by the present invention have good rub resistance, impact resistance,
Storage stability and luminescent properties, application prospect are extensive, it is adaptable to the occasion such as public building, commercial building and road instruction.
Comparative example 1
Take silane coupler KH570 to replace the hydrophobic modifier in embodiment 1 to be added drop-wise to inside long afterglow slurry, then scratch
To 0.3mm long afterglow coating, and obtained 0.3mm long afterglow waterproof coating is scratched in embodiment 1 contrasted, will
Two films are placed under xenon lamp and are placed on after irradiation 5min in water, as a result show：The luminous intensity of sample does not substantially change
Become, be placed on 1d in water (my god) after, after two panels coating is taken out, the coating of comparative example 1 starts substantially to come off, referring in Fig. 3
a；It is at all unaffected and the coating in embodiment 1 is intact, referring to b in Fig. 3.
Claims (10)
1. a kind of long afterglow waterproof luminous coating, it is characterised in that including：By weight percentage, long-afterglow fluorescent powder 5
~50%, solvent 40~80%, auxiliary agent 1~10%, hydrophobic modifier 1~20%.
2. long afterglow waterproof luminous coating according to claim 1, it is characterised in that the long-afterglow fluorescent powder is two
The rare-earth-doped strontium aluminate class luminescent material that valency europium ion is activator, trivalent dysprosium ion is coactivator, described long afterglow
The particle diameter of fluorescent powder is 10~100 μm.
3. long afterglow waterproof luminous coating according to claim 1 or 2, it is characterised in that the solvent is methanol, anhydrous
At least one of ethanol, isopropanol and n-butanol.
4. the long afterglow waterproof luminous coating according to any one of claim 1-3, it is characterised in that the auxiliary agent is into
At least one of film auxiliary agent, dispersant, wetting agent, defoamer, thickener, antiseptic, antifreezing agent and conditioning agent.
5. the long afterglow waterproof luminous coating according to any one of claim 1-4, it is characterised in that the hydrophobically modified
Agent is hydro-thermal reaction 3~48 hours at 80~200 DEG C after mixing organic solvent and silica coupling agent, and what is obtained hydrophobic changes
Property agent；
The silica coupling agent is 3- aminopropyl trimethoxy siloxane APTMS, 3- aminopropyl triethoxysilanes APTES and 3-
At least one of glycidylpropyl trimethoxy silane GPTMS.
6. long afterglow waterproof luminous coating according to claim 5, it is characterised in that organic solvent and the silica coupling
The mass ratio of agent is（9~99）：1, the organic solvent be methanol, absolute ethyl alcohol, isopropanol, n-butanol and acetone at least
It is a kind of.
7. a kind of preparation method of long afterglow waterproof luminous coating as any one of claim 1-6, it is characterised in that
Including：
After long-afterglow fluorescent powder, solvent, auxiliary agent are mixed, after first being stirred 5~15 minutes under 200~1000r/min, then at
Stirred 4~12 hours more than 1000r/min and less than or equal under 10000r/min, obtain slurry；
Hydrophobic modifier is added into gained slurry, after being well mixed, the long afterglow waterproof luminous coating is obtained.
8. preparation method according to claim 7, it is characterised in that before being mixed with solvent and auxiliary agent, to long afterglow
Fluorescent powder is pre-processed, and the pretreatment is to add long-afterglow fluorescent powder in absolute ethyl alcohol, after ball milling mixing, then is entered
Row drying process.
9. the preparation method according to claim 7 or 8, it is characterised in that hydrophobic modifier is added dropwise in gained slurry,
It is well mixed under 500~2000r/min, obtains the long afterglow waterproof luminous coating.
10. a kind of coating of long afterglow waterproof luminous coating preparation as any one of claim 1-6.
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| CN109383101A (en) * | 2018-09-10 | 2019-02-26 | 天津大学 | Being delayed based on long afterglow shows the automatically cleaning waterproofing membrane of information |
| CN109610235A (en) * | 2018-12-05 | 2019-04-12 | 中国制浆造纸研究院有限公司 | A kind of the maps with fluorescent colouring paper and its manufacturing method of high folding strength |
| CN112322081A (en) * | 2020-12-25 | 2021-02-05 | 兰州大学 | Water-based inorganic flame-retardant luminescent coating |
| CN116622275A (en) * | 2023-04-13 | 2023-08-22 | 广东省科学院产业技术育成中心 | Color long-afterglow luminous powder coating and preparation method thereof |
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| CN109383101A (en) * | 2018-09-10 | 2019-02-26 | 天津大学 | Being delayed based on long afterglow shows the automatically cleaning waterproofing membrane of information |
| CN109610235A (en) * | 2018-12-05 | 2019-04-12 | 中国制浆造纸研究院有限公司 | A kind of the maps with fluorescent colouring paper and its manufacturing method of high folding strength |
| CN112322081A (en) * | 2020-12-25 | 2021-02-05 | 兰州大学 | Water-based inorganic flame-retardant luminescent coating |
| CN116622275A (en) * | 2023-04-13 | 2023-08-22 | 广东省科学院产业技术育成中心 | Color long-afterglow luminous powder coating and preparation method thereof |
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