CN110684418A - Moisture-proof water-based luminous paint - Google Patents

Abstract

The invention discloses a moisture-proof water-based luminous paint, which relates to the technical field of paints, and adopts the technical scheme that a proper amount of luminous coloring agent is doped into an acrylic polymer system to form the water-based paint, and the doped luminous coloring agent is prepared by a specific process: weighing 40-50 parts of polydimethylsiloxane, 40-50 parts of polymethyl trifluoropropylsiloxane, 10-15 parts of noctilucent powder, 1-5 parts of cross-linking agent and 1-5 parts of accelerant according to the weight part ratio, uniformly mixing, adding 10-12 parts of vulcanizing agent, and uniformly mixing to obtain a mixture; spraying and granulating the mixture at the temperature of 100-120 ℃; grinding, and sieving with 60 mesh sieve to obtain the noctilucent colorant. Therefore, the surface of the luminous coloring agent is coated with the waterproof silicone rubber layer, the obtained coating can be constructed at one time to obtain a luminous coating, and compared with the existing luminous coating, the luminous coating is simple and convenient to construct and has excellent waterproof and moistureproof performances. Meanwhile, the prepared noctilucent coating is prepared by a special process, so that the prepared coating also has better impact absorption capacity and wear resistance.

Description

Moisture-proof water-based luminous paint

Technical Field

The invention relates to a coating, in particular to a moisture-proof water-based luminous coating.

Background

At present, the luminous traffic sign is generally formed by directly coating luminous paint on a road, and rare earth doped alkaline earth metal aluminate long-afterglow luminescent materials are added into the luminous paint, so that the luminous traffic sign is easy to hydrolyze with rainwater and water vapor in the air, and the guiding and dredging effects of the luminous traffic sign are lost. Rare earth doped alkaline earth metal aluminate long afterglow luminescent material SrAl₂O₄:Eu²⁺,Dy³⁺For example, in SrAl₂O₄:Eu²⁺,Dy³⁺Upon contact with water, the following hydrolysis reactions occur slowly: SrAl₂O₄+4H₂O → Sr₂+2OH^-+2Al(OH)₃And ↓, aluminum hydroxide can be generated by the reaction, the pH value of the system is increased, the original crystal structure of the luminescent powder is destroyed, and the acid-base balance of the system is influenced. As a luminous traffic sign, the luminous traffic sign needs to be exposed to rainwater for a long time and in a humid environment, and the requirements on waterproofness and moisture resistance are high. The existing luminous traffic sign can not meet the requirement.

In order to solve the problem that the existing luminous paint is poor in waterproof and moisture-proof properties, the existing Chinese patent with application publication number CN105400338A discloses a waterproof energy-storage luminous traffic sign coating, which comprises: noctilucent luminescent layer, varnish layer and waterproof bottom, the lower surface of noctilucent luminescent layer is equipped with waterproof bottom, the upper surface of noctilucent luminescent layer is equipped with varnish layer. The luminous luminescent layer is separated from the outside by arranging the varnish layer and the waterproof bottom layer, so that the hydrolysis of the rare earth doped alkaline earth metal aluminate long afterglow luminescent material in the luminous luminescent layer cannot be caused by water molecules in the surrounding environment, and the waterproof and moisture-proof performance of the luminous luminescent layer is greatly enhanced.

However, the noctilucent coating disclosed in the above patent still has the following defects:

1) the construction of the lower layer can be carried out only after one layer of coating is completely cured by maintaining, so that the construction complexity is greatly increased and the construction period is prolonged;

2) under outdoor conditions, the varnish is easy to crack due to factors such as insolation, sudden temperature change, scratching and the like, and after cracking, moisture is easy to permeate into the noctilucent luminous layer through cracks, so that the noctilucent material is hydrolyzed.

Therefore, how to develop a luminous paint with simple construction and better waterproof and moistureproof effects becomes a problem to be solved in the industry.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the moisture-proof water-based luminous paint which has the advantages of simple and convenient construction and good moisture resistance.

In order to achieve the purpose, the invention provides the following technical scheme:

a moisture-proof water-based luminous paint comprises a component A and a component B, wherein the component B is an amine curing agent, and when the moisture-proof water-based luminous paint is used, the component A and the component B are uniformly mixed according to the mass ratio of 100 to (4-6) and then applied to a construction base surface, wherein the component A comprises the following components in parts by weight,

40-50 parts of acrylic polymer emulsion

1-5 parts of hydroxyethyl cellulose ether

1-5 parts of noctilucent colorant

1-3 parts of anti-settling agent

1-3 parts of flame retardant

0.5 to 0.8 portion of defoaming agent

20-30 parts of deionized water;

wherein, the luminous colorant is prepared by the following process,

weighing 40-50 parts of polydimethylsiloxane, 40-50 parts of polymethyl trifluoropropylsiloxane, 10-15 parts of noctilucent powder, 1-5 parts of cross-linking agent and 1-5 parts of accelerant according to the weight part ratio, uniformly mixing, adding 10-12 parts of vulcanizing agent, and uniformly mixing to obtain a mixture; spraying and granulating the mixture at the temperature of 100-120 ℃; grinding, and sieving with 60 mesh sieve to obtain the noctilucent colorant.

By adopting the technical scheme, the method at least has the following beneficial effects:

the coating takes acrylic polymer emulsion as a main component, and forms a coating with good adhesion fastness and toughness after reacting with an amine curing agent, so that the coating is durable in use. The hydroxyethyl cellulose ether is mainly used for improving the adhesion fastness of the coating and increasing the viscosity of the coating system, so that the noctilucent coloring agent can be stably dispersed; the anti-settling agent has the function of improving the dispersion uniformity of solid components in a coating system, and can play a synergistic effect with hydroxyethyl cellulose ether; the defoaming agent is used for removing bubbles generated in the preparation or construction process of the coating, so that the bubbles remained in the coating after construction are reduced, the compactness of the coating is good, and the coating is not easy to bubble, crack or seep water; the flame retardant can improve the flame retardant property of the coating and increase the applicability of the coating, so that the coating disclosed by the invention is suitable for occasions with conventional flame retardant requirements.

The noctilucent colorant has the performance of absorbing ultraviolet rays for energy storage and releasing fluorescence at night, so that marks and patterns formed by coating the paint can be clearly displayed at night; meanwhile, the noctilucent colorant is prepared by a special process, and the noctilucent colorant powder or particles have excellent waterproof and moistureproof properties and are not easy to generate the phenomenon of moisture hydrolysis.

In the preparation process of the noctilucent coloring agent, polydimethylsiloxane, polymethyl trifluoropropyl siloxane and a vulcanizing agent are used as main components, a silicon rubber system is obtained by mixing, then powdery noctilucent powder, a cross-linking agent for promoting the mutual cross-linking of polymer components and an accelerator for accelerating vulcanization are added, and the just prepared mixture is still in a liquid state and can be sprayed out at a certain pressure to form fine-particle spray; spraying the mixture at the temperature of 100-120 ℃, and reacting and quickly curing the polysiloxane component, the accelerator, the cross-linking agent and the vulcanizing agent to form fine powdery particles, wherein the inner cores of the obtained particles are noctilucent powder particles and are coated with a silicon rubber protective layer; the silicon rubber has good elasticity, weather resistance and water resistance, so that the noctilucent powder particles have good waterproof and moistureproof performances; the screened noctilucent powder particles are uniform and can be directly doped into an acrylic coating system, the prepared noctilucent coating has good light reflection and water and moisture resistance, and meanwhile, the coating has good cracking resistance and impact absorption capacity due to the elasticity of the silicon rubber; in addition, because the surfaces of the single noctilucent powder are all coated with the silicon rubber protective layers, even if the coating is scratched or cracked, the hydrolysis phenomenon of the noctilucent powder caused by water seepage at the crack is not easy to occur. Specifically, the noctilucent powder can be commercial noctilucent powder or self-made noctilucent powder.

The coating prepared by doping the noctilucent colorant prepared by the special process can be directly sprayed or scraped on a construction base surface, compared with the existing layered construction noctilucent coating structure, the construction is simpler, more efficient and shorter in period, and the coating has a considerable waterproof and moistureproof effect, and the performance of the noctilucent component is basically not influenced by moisture when a small amount of cracks and bubbles appear on the coating.

Further, the luminous powder is SrAl₂O₄：Eu²⁺，Dy³⁺And (3) fluorescent powder.

The choice of the luminous powder is not limited basically, the self-made luminous powder or the commercial luminous powder can be used, the rare earth doped alkaline earth metal aluminate long afterglow luminescent material is better, and the fluorescence with higher brightness can be obtained. Specifically, SrAl prepared by the preparation method provided by Chinese patent publication No. CN105400338A can be selected and referred to₂O₄:Eu²⁺,Dy³⁺、CaAl₂O₄:Eu²⁺,Nd³⁺Or Sr₄Al₁₄O₂₅:Eu²⁺,Dy³⁺Fluorescent powder, or XC type luminous powder produced by Shenzhen Xiangcai chemical Co., Ltd, long-acting luminous powder H40 and long-acting luminous powder H30 produced by Shenzhen Shenxing Liangli science and technology Co., Ltd.

Further, the vulcanizing agent is 2, 4-dichlorobenzoyl peroxide.

By adopting the technical scheme, compared with Benzoyl Peroxide (BPO), the 2, 4-dichlorobenzoyl peroxide is vulcanized more efficiently, the vulcanization reaction time is effectively shortened, and the powdery noctilucent coloring agent can be obtained by fast vulcanization during spraying when the noctilucent coloring agent is prepared, so that the scheme of the invention is easy to realize.

Further, the cross-linking agent is tetraethoxysilane.

By adopting the technical scheme, the effect of increasing the cross-linking degree of the vulcanization reaction of the polysiloxane can be effectively achieved, so that the silicon rubber polymer is coated on the surface of the noctilucent powder particles to form a high-elastic, waterproof and moistureproof protective layer.

Further, the accelerant is gamma-aminopropyl triethoxysilane.

By adopting the technical scheme, the vulcanization rate of the silicone rubber system for preparing the noctilucent colorant can be obviously improved, so that the small polysiloxane mixture system can be quickly vulcanized to form solid particles in a specific temperature environment after spraying.

Further, the acrylic polymer emulsion is prepared from an elastic acrylic emulsion and a rigid acrylic emulsion according to the mass ratio (0.6-0.8): 1 are mixed.

By adopting the technical scheme, the obtained coating has the advantages of wear resistance, flexibility, good adhesion fastness, difficult cracking and good weather resistance.

Further, the anti-settling agent is fumed silica.

By adopting the technical scheme, the sedimentation and segregation of solid components such as noctilucent colorant and the like in the coating system can be effectively reduced, so that the component A of the coating is stable and is easier to store.

Further, the defoaming agent is a silicone defoaming agent.

By adopting the technical scheme, the defoaming and foam inhibiting effect is good, and the bubbles generated in the coating preparation process can be effectively reduced.

Further, the flame retardant is glass powder.

The glass powder has high transparency and good transmittance, and the flame retardant property of the coating can be greatly improved by inserting the glass powder in a proper amount. Meanwhile, the addition of the glass powder improves the adhesion fastness of the coating and has better wear resistance.

Further, the component A is prepared by the following process,

adding hydroxyethyl cellulose ether and a defoaming agent which are weighed according to a certain proportion into deionized water, and stirring and dissolving; adding acrylic polymer emulsion, continuously stirring and uniformly dispersing; continuously adding the flame retardant, the anti-settling agent and the noctilucent coloring agent, and uniformly stirring and dispersing to obtain a component A;

wherein, the luminous colorant is prepared by the following process,

weighing 40-50 parts of polydimethylsiloxane, 40-50 parts of polymethyl trifluoropropylsiloxane, 10-15 parts of noctilucent powder, 1-5 parts of cross-linking agent and 1-5 parts of accelerant according to the weight part ratio, uniformly mixing, adding 10-12 parts of vulcanizing agent, and uniformly mixing to obtain a mixture; spraying and granulating the mixture at the temperature of 100-120 ℃; grinding, and sieving with 60 mesh sieve to obtain the noctilucent colorant.

By adopting the technical scheme, the prepared coating can obtain the noctilucent coating with noctilucent property, good adhesion fastness and aging resistance, better wear resistance and impact absorption capacity by one-time construction, and the coating has good waterproof and moistureproof properties and is not easy to generate the problem of moisture hydrolysis of noctilucent powder.

In conclusion, the invention has the following beneficial effects:

1. the noctilucent coloring agent with the surface coated with the high-elasticity and moisture-proof silicon rubber protective layer prepared by a specific process is used as a noctilucent coloring component, the water-based acrylic polymer system is used as a main component of the coating, and the prepared noctilucent coating is water-based and environment-friendly, has good adhesion after construction and good water and moisture resistance, can be finished at one time, and is simple and convenient to construct and short in period;

2. the surfaces of the noctilucent powder particles are coated with the silicon rubber protective layers, so that even if the coating is slightly cracked and bubbled, the noctilucent powder is not easy to damp and hydrolyze due to water infiltration, and the water resistance and the moisture resistance of the coating are far superior to those of the prior art;

3. the noctilucent paint also has excellent wear resistance, impact absorption capacity and good flame retardant property.

Drawings

FIG. 1 is a flow chart of a preparation process of the moisture-proof water-based luminous paint in the embodiment;

FIG. 2 is a schematic structural diagram of a spray drying system for preparing a luminous colorant in the embodiment.

In the figure: 1. a hot air generating device; 2. a pneumatic conveying pipeline; 3. a drying cylinder; 4. a gas-solid separation device; 5. a cyclone dust collector; 6. and (4) a nozzle.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A source of material

The information on the source of the raw materials used in the following examples is shown in Table 1:

TABLE 1

Luminous colouring agent and its preparation

Luminous colorant 1:

the luminous colorant 1 is prepared from the raw materials with the mixture ratio shown in the table 2,

TABLE 2

Referring to fig. 1, the specific preparation process of the luminous colorant 1 is,

the polydimethylsiloxane, the polymethyl trifluoropropyl siloxane and the SrAl are weighed according to the mixture ratio in the table 2₂O₄：Eu²⁺，Dy³⁺Uniformly mixing fluorescent powder, ethyl orthosilicate and gamma-aminopropyltriethoxysilane, adding 2, 4-dichlorobenzoyl peroxide, and uniformly mixing to obtain a mixture; then, carrying out spray granulation on the mixture at the temperature of 120 ℃; grinding and sieving with a 60-mesh sieve to obtain the noctilucent colorant 1.

Referring to fig. 2, the spray granulation step is performed using the spray drying system shown in fig. 2. The spray drying system comprises a pneumatic conveying pipeline 2, a drying cylinder 3 communicated with the pneumatic conveying pipeline 2, a gas-solid separation device 4 communicated with the discharge end of the drying cylinder 3 and a cyclone dust collector 5 for treating tail gas discharged by the gas-solid separation device 4. Wherein, the end of the pneumatic conveying pipeline 2 far away from the drying cylinder 3 is provided with a hot air generating device 1 for generating high-temperature hot air. The connection part of the pneumatic transmission pipeline 2 and the drying cylinder 3 is provided with a nozzle 6 for spraying, and the nozzle 6 is most aligned to the inner cavity of the drying cylinder 3. The overall construction of the spray drying system is basically the same as that of the hot air drying system used for producing the lightweight aggregate, and the drying cylinder 3 is a three-pass drying cylinder 3, and the working principle of the drying cylinder is similar to that of the drying systems disclosed in patent documents CN109028907A and CN 208901835U. The prepared mixture is sprayed into the drying cylinder 3 through the nozzle 6, and is sprayed and heated under the transmission of hot air conveyed by the pneumatic conveying pipeline 2, so that the polysiloxane is promoted to generate a vulcanization reaction and is solidified to form a silicon rubber protective layer coated on the surfaces of the noctilucent powder particles. The pneumatic transmission enables the solidified particles or powder particles to be transmitted along the pipeline and enter the gas-solid separation device 4. After entering the gas-solid separation device 4, the wind speed is reduced, and solid particles are settled and separated; the fine dust is discharged with the hot air and finally separated by the cyclone 5. The separated solid granular noctilucent coloring agent is ground and sieved by a 60-mesh sieve, and then the noctilucent coloring agent can be used for preparing noctilucent paint.

Luminous colorant 2:

the noctilucent colorant 2 is prepared from the raw materials with the mixture ratio shown in the table 3,

TABLE 3

Referring to fig. 1, the specific preparation process of the luminous colorant 2 is,

the polydimethylsiloxane, the polymethyl trifluoropropyl siloxane and the SrAl are weighed according to the mixture ratio in the table 3₂O₄：Eu²⁺，Dy³⁺Uniformly mixing fluorescent powder, ethyl orthosilicate and gamma-aminopropyltriethoxysilane, adding 2, 4-dichlorobenzoyl peroxide, and uniformly mixing to obtain a mixture; then, carrying out spray granulation on the mixture at the temperature of 110 ℃; grinding and sieving with a 60-mesh sieve to obtain the noctilucent colorant 2. Wherein, the spray granulation step adopts a spray drying system which is the same as that for preparing the noctilucent coloring agent 1.

Luminous colorant 3:

the luminous colorant 3 is prepared from the raw materials with the mixture ratio shown in the table 4,

TABLE 4

Referring to fig. 1, the specific preparation process of the luminous colorant 3 is,

the polydimethylsiloxane, the polymethyl trifluoropropyl siloxane and the SrAl are weighed according to the mixture ratio in the table 4₂O₄：Eu²⁺，Dy³⁺Uniformly mixing fluorescent powder, ethyl orthosilicate and gamma-aminopropyltriethoxysilane, adding 2, 4-dichlorobenzoyl peroxide, and uniformly mixing to obtain a mixture; then, carrying out spray granulation on the mixture at the temperature of 100 ℃; grinding and sieving by a 60-mesh sieve to obtain the noctilucent colorant 3. Wherein, the spray granulation step adopts a spray drying system which is the same as that for preparing the noctilucent coloring agent 1.

4-9 parts of luminous colorant:

the preparation method of the luminous colorant 4-9 is based on the preparation process of the luminous colorant 2, and the differences are only that: the mixture ratio of each component is different, and as shown in table 5,

TABLE 5

Luminous paint and its preparation

Examples 1 to 3:

examples 1 to 3 all relate to a moisture-proof water-based luminous paint which comprises a component A and a component B, wherein the component B is an amine curing agent, the component B is 2-methylpentamethylenediamine in the example, the component A is prepared from the raw materials in the proportion shown in the table 6,

TABLE 6

Referring to fig. 1, the preparation process flow of the component a is as follows:

adding hydroxyethyl cellulose ether and organic silicon defoamer D-10X which are weighed according to a certain proportion into deionized water, and stirring and dissolving; adding pure acrylic acid elastic emulsion PRIML ™ AC-855 and acrylic acid polymer emulsion APR-968LO, stirring, and dispersing; and continuously adding glass powder, fumed silica QS-20 and the noctilucent colorant 1, and uniformly stirring and dispersing to obtain the component A.

When in use, the mass ratio of the components is 100: and (4-6) uniformly mixing the component A and the component B, applying the mixture to a construction base surface, and curing until the coating is cured. Wherein, when the noctilucent paint of the embodiments 1-3 is used, the mixing ratio of the component A to the component B is 100:4, 100:5 and 100:6 in sequence.

Examples 4 to 6:

examples 4 to 6 each relate to a moisture-proof luminous paint, and are based on example 2 and differ from example 2 only in that: the raw material proportion of the component A is different, and is specifically shown as 7,

TABLE 7

Wherein, the acrylic polymer emulsion used in the embodiment 4 is formed by mixing pure acrylic elastic emulsion PRIMAL AC-855 and acrylic polymer emulsion APR-968LO according to the mass ratio of 0.6: 1; the acrylic polymer emulsion used in example 5 was prepared by mixing a pure acrylic elastic emulsion PRIML ™ AC-855 and an acrylic polymer emulsion APR-968LO in a mass ratio of 0.7: 1; the acrylic polymer emulsion used in example 6 was prepared by mixing a pure acrylic elastic emulsion PRIML ™ AC-855 and an acrylic polymer emulsion APR-968LO in a mass ratio of 0.8: 1.

Examples 7 to 14:

examples 7 to 14 each relate to a moisture-proof luminous paint, based on example 6, differing from example 6 only in that: the selected luminous coloring agents are different, and as shown in table 8,

TABLE 8

Comparative example 1:

a luminous paint which differs from the one in example 6 only in that: the component A does not contain glass powder.

Comparative example 2:

a luminous paint which differs from the one in example 6 only in that: the process for preparing the luminous colorant 1 is not added with gamma-aminopropyl triethoxysilane.

Comparative example 3:

a luminous paint which differs from the one in example 6 only in that: the process of preparing the luminous colorant 1 is not added with tetraethoxysilane.

And (3) performance testing:

the following tests were carried out using the moisture-proof type luminous paints of examples 1 to 14 and comparative examples 1 to 3 as test samples,

1) the sample is coated on a substrate with the diameter of 5 cm by brush, dried for 0.5 to 8 hours at the temperature of between 20 and 80 ℃ until the sample is cured, and then the cured sample is put into a CY-1000 long afterglow fluorescent powder (light storage fluorescent material) photochromic performance test system for testing. After the test, the substrate with the moisture-proof luminous paint coating is put into tap water to be soaked for 6 hours at the room temperature of 20-25 ℃, is naturally dried at the room temperature of 20-25 ℃ after being soaked, and is put into a CY-1000 long afterglow fluorescent powder (light storage fluorescent material) light color performance test system to be carried out again. The luminescence intensity of the substrate before immersion (i.e., the substrate which was not immersed) was set to 100%, and the luminescence intensity of the substrate after immersion in tap water for 6 hours was a relative value of the luminescence intensity of the substrate before immersion. The luminescence intensity and luminescence time of the un-soaked substrates and the soaked substrates are shown in Table 9:

TABLE 9 test results of luminescence properties

2) The impact absorption is determined by referring to BS EN14808-2005, the wear resistance is determined by referring to GB/T9867-2008, the weather resistance is determined by referring to GB/T22517.6-2011, the limited oxygen index is determined by referring to ASTM D2863-2012, the test results are recorded as shown in Table 10,

TABLE 10 table of impact absorption, abrasion resistance and weather resistance test results

As can be seen from the data in tables 9-10: the moisture-proof luminous paint prepared by the method has excellent waterproof and moistureproof performances, and has the waterproof performance equivalent to that of the prior art (CN 105400338A) under the same condition. Meanwhile, it can be seen from the experimental data that the incorporation of a cross-linking agent (ethyl orthosilicate) and an accelerator (gamma-aminopropyltriethoxysilane) has the ability to improve the hydrolysis resistance of the noctilucent colorant. The abrasion resistance of the coating can be remarkably improved after the glass powder is added, and the glass powder has negative influence on the impact absorption capacity of the coating, so that the adding amount needs to be strictly controlled.

The above-mentioned embodiments are merely illustrative and not restrictive, and those skilled in the art can modify the embodiments without inventive contribution as required after reading this specification, but only fall within the scope of the claims of the present invention.

Claims (10)

1. The moisture-proof water-based luminous paint comprises a component A and a component B, wherein the component B is an amine curing agent, and the moisture-proof water-based luminous paint is prepared by uniformly mixing the component A and the component B according to the mass ratio of 100 (4-6) and applying the mixture to a construction base surface, and is characterized in that: the component A comprises the following components in parts by weight,

40-50 parts of acrylic polymer emulsion

1-5 parts of hydroxyethyl cellulose ether

1-5 parts of noctilucent colorant

1-3 parts of anti-settling agent

1-3 parts of flame retardant

0.5 to 0.8 portion of defoaming agent

20-30 parts of deionized water;

wherein, the luminous colorant is prepared by the following process,

weighing 40-50 parts of polydimethylsiloxane, 40-50 parts of polymethyl trifluoropropylsiloxane, 10-15 parts of noctilucent powder, 1-5 parts of cross-linking agent and 1-5 parts of accelerant according to the weight part ratio, uniformly mixing, adding 10-12 parts of vulcanizing agent, and uniformly mixing to obtain a mixture; spraying and granulating the mixture at the temperature of 100-120 ℃; grinding, and sieving with 60 mesh sieve to obtain the noctilucent colorant.

2. The moisture-proof water-based luminous paint as claimed in claim 1, wherein: the luminous powder is SrAl₂O₄：Eu²⁺，Dy³⁺And (3) fluorescent powder.

3. The moisture-proof water-based luminous paint as claimed in claim 1, wherein: the vulcanizing agent is 2, 4-dichlorobenzoyl peroxide.

4. The moisture-proof water-based luminous paint as claimed in claim 1, wherein: the cross-linking agent is tetraethoxysilane.

5. The moisture-proof water-based luminous paint as claimed in claim 1, wherein: the accelerant is gamma-aminopropyl triethoxysilane.

6. The moisture-proof water-based luminous paint as claimed in any one of claims 1 to 5, wherein: the acrylic polymer emulsion is prepared from an elastic acrylic emulsion and a rigid acrylic emulsion according to the mass ratio (0.6-0.8): 1 are mixed.

7. The moisture-proof water-based luminous paint as claimed in any one of claims 1 to 5, wherein: the anti-settling agent is fumed silica.

8. The moisture-proof water-based luminous paint as claimed in any one of claims 1 to 5, wherein: the defoaming agent is an organic silicon defoaming agent.

9. The moisture-proof water-based luminous paint as claimed in any one of claims 1 to 5, wherein: the flame retardant is glass powder.

10. The moisture-proof water-based luminous paint as claimed in any one of claims 1 to 5, wherein: the component A is prepared by the following process,

adding hydroxyethyl cellulose ether and a defoaming agent which are weighed according to a certain proportion into deionized water, and stirring and dissolving; adding acrylic polymer emulsion, continuously stirring and uniformly dispersing; continuously adding the flame retardant, the anti-settling agent and the noctilucent coloring agent, and uniformly stirring and dispersing to obtain a component A;

wherein, the luminous colorant is prepared by the following process,

weighing 40-50 parts of polydimethylsiloxane, 40-50 parts of polymethyl trifluoropropylsiloxane, 10-15 parts of noctilucent powder, 1-5 parts of cross-linking agent and 1-5 parts of accelerant according to the weight part ratio, uniformly mixing, adding 10-12 parts of vulcanizing agent, and uniformly mixing to obtain a mixture; spraying and granulating the mixture at the temperature of 100-120 ℃; grinding, and sieving with 60 mesh sieve to obtain the noctilucent colorant.

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