CN111944401A - Waterborne polyurethane noctilucent crack paint and preparation method thereof - Google Patents

Waterborne polyurethane noctilucent crack paint and preparation method thereof Download PDF

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CN111944401A
CN111944401A CN202010683178.6A CN202010683178A CN111944401A CN 111944401 A CN111944401 A CN 111944401A CN 202010683178 A CN202010683178 A CN 202010683178A CN 111944401 A CN111944401 A CN 111944401A
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parts
agent
crack
waterborne polyurethane
bactericide
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纪晓
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Hangzhou Lan Tian Paint Co ltd
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Hangzhou Lan Tian Paint Co ltd
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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
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • 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
    • C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
    • 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
    • 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
    • C09D5/28—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for wrinkle, crackle, orange-peel, or similar decorative effects
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Plant Pathology (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention discloses a waterborne polyurethane noctilucent crack coating and a preparation method thereof, belonging to the technical field of coatings. The waterborne polyurethane noctilucent crack coating comprises the following components in parts by weight: 580 parts of polyurethane emulsion 560-containing material, 80-92 parts of water, 2-4 parts of cellulose, 3-8 parts of dispersing agent, 1.5-3 parts of wetting agent, 8-12 parts of antifreezing agent, 18-25 parts of film-forming assistant, 1-3 parts of defoaming agent, 1-2 parts of neutralizing agent, 90-110 parts of transparent powder, 195 parts of luminescent pigment 170-containing material, 4-6 parts of flatting agent, 5-6 parts of anti-settling agent, 2-4 parts of bactericide and 6-8 parts of crack agent. The waterborne polyurethane noctilucent crack coating has the advantages of high heat resistance, high wear resistance, wide application range, environmental protection and economy. The paint provided by the invention can achieve the artistic effects of cracks and noctilucence, and is richer in decorative effect.

Description

Waterborne polyurethane noctilucent crack paint and preparation method thereof
Technical Field
The invention relates to the technical field of coatings, in particular to a waterborne polyurethane noctilucent crack coating and a preparation method thereof.
Background
The luminous paint is added with a substance capable of storing energy and emitting light, absorbs light energy under the irradiation of sunlight and lamplight, emits the absorbed energy with low-frequency visible light, and can play the roles of marking, lighting, decoration and the like at night. The brightness of the general luminous coating can reach about three times of that of the paint, and the luminous coating has incomparable effect with the paint.
The Chinese invention patent with application publication number CN109678429A discloses a noctilucent zebra crossing paint which comprises the following raw materials in parts by weight: 30-40 parts of polyester acrylate, 15-25 parts of waterborne polyurethane, 15-25 parts of organic silicon resin, 8-15 parts of butyl acetate cellulose, 10-15 parts of montmorillonite powder, 10-15 parts of fumed silica, 4-7 parts of nano silicon nitride, 4-7 parts of nano titanium dioxide, 3-6 parts of zinc borate, 3-6 parts of noctilucent powder, 5-9 parts of tung oil, 1.6-2.8 parts of silane coupling agent, 0.8-1.5 parts of defoaming agent, 1.5-2.5 parts of antioxidant and 10-16 parts of water. The fluorescent powder is added into the noctilucent zebra crossing paint, so that the zebra crossing can emit light at night, and can be seen in the dark. However, the addition amount of the noctilucent powder in the coating is small, the noctilucent persistence is weak, and the wear resistance of the coating is poor due to the fact that more organic silicon resin is added in the coating.
Disclosure of Invention
Aiming at the defects in the prior art, the first purpose of the invention is to provide the waterborne polyurethane noctilucent crack coating which has strong wear resistance and good noctilucent performance.
The second purpose of the invention is to provide a preparation method of the waterborne polyurethane noctilucent crack coating, and the waterborne polyurethane noctilucent crack coating prepared by the method is very uniformly dispersed.
In order to achieve the first object, the invention provides the following technical scheme:
the waterborne polyurethane noctilucent crack paint comprises the following components in parts by weight: 580 parts of polyurethane emulsion 560-containing material, 80-92 parts of water, 2-4 parts of cellulose, 3-8 parts of dispersing agent, 1.5-3 parts of wetting agent, 8-12 parts of antifreezing agent, 18-25 parts of film-forming assistant, 1-3 parts of defoaming agent, 1-2 parts of neutralizing agent, 90-110 parts of transparent powder, 195 parts of luminescent pigment 170-containing material, 4-6 parts of flatting agent, 5-6 parts of anti-settling agent, 2-4 parts of bactericide and 6-8 parts of crack agent.
By adopting the technical scheme, a large amount of luminescent pigment is added into the waterborne polyurethane noctilucent crack coating, so that the coating has good luminescence performance, can have longer luminescence time at night after absorbing energy, and has larger luminescence light intensity. Because the proportion of the luminescent pigment is larger, the polyurethane emulsion with larger proportion is also added into the coating, so that the polyurethane and the luminescent pigment are uniformly dispersed together, and the polyurethane can be fully utilized to reduce the abrasion resistance reduction brought by the luminescent pigment. The addition of the transparent powder can increase the transparency of the coating layer and improve the refractive index of the coating layer, so that the increase of the polyurethane emulsion does not influence the luminous performance.
The invention is further configured to: the waterborne polyurethane noctilucent crack paint comprises the following components in parts by weight: 580 parts of polyurethane emulsion 570-containing material, 80-92 parts of water, 2.5-4 parts of cellulose, 3-7 parts of dispersing agent, 2-3 parts of wetting agent, 10-12 parts of antifreezing agent, 20-25 parts of film-forming additive, 1-2.5 parts of defoaming agent, 1.2-2 parts of neutralizing agent, 110 parts of transparent powder 100-containing material, 195 parts of luminescent pigment 180-containing material, 4-6 parts of flatting agent, 5-6 parts of anti-settling agent, 2.5-4 parts of bactericide and 6-7 parts of cracking agent.
By adopting the technical scheme, the proportion of each component is further optimized, the proportion of dispersing agents, crack agents and the like is reduced, the proportion of polyurethane, transparent powder, luminescent pigments and the like is increased, and the luminescent property and the wear resistance of the coating are further improved.
The invention is further configured to: the dispersing agent is at least one of polyethylene glycol, acrylic acid copolymer ammonium salt and polyphosphate.
By adopting the technical scheme, the adopted dispersant is a nonpolar positively charged dispersant or an amphoteric dispersant, so that the transparent powder and the luminescent pigment have strong adsorption force, and the dispersion uniformity of the transparent powder and the luminescent pigment is improved. And has the functions of increasing transparency, reducing viscosity, increasing loading amount of pigment and improving processability of the coating. Wherein, the polyethylene glycol is a low molecular wax dispersant, has strong adsorbability and is beneficial to the dispersion of resin components. The polyphosphate dispersing agent is an amphoteric dispersing agent, has certain wettability and can reduce the using amount of a wetting agent.
The invention is further configured to: the wetting agent is at least one of alkylphenol polyoxyethylene and polyether modified polydimethylsiloxane.
By adopting the technical scheme, the wetting agent adopted by the invention is beneficial to the dispersion of solids, has better affinity to the transparent powder and the luminescent pigment, can ensure that the transparent powder and the luminescent pigment are dispersed more uniformly in the coating, and further improves the luminescence uniformity of the coating. The polyether modified polydimethylsiloxane also has good penetrability, and can further improve the wetting capacity to other components.
The invention is further configured to: the film-forming assistant is at least one of ethylene glycol butyl ether, propylene glycol methyl ether acetate and 2, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate.
By adopting the technical scheme, the film-forming aid adopted by the invention has good solubility to other polymer components and good coalescence, and is beneficial to promoting other polymer components to form a uniform and stable emulsion film.
The invention is further configured to: the defoaming agent is a polyether defoaming agent.
By adopting the technical scheme, the coating is a water-based coating, and after the polyether defoaming agent is added, the foam can be quickly inhibited and defoamed in a water-based system, so that the defoaming efficiency is improved.
The invention is further configured to: the anti-settling agent is organic bentonite or nano silicon dioxide.
By adopting the technical scheme, the organic bentonite and the nano silicon dioxide can improve the wettability of the inorganic pigment, reduce flocculation, greatly improve the uniform stability of the coating and have no influence on the performance after long-time storage.
The invention is further configured to: the bactericide is at least one of isothiazolinone bactericide and plant bactericide.
By adopting the technical scheme, the antibacterial and mildew-proof performance of the coating can be improved by adding the bactericide, and the phenomenon that the luminescent performance and the wear resistance of the coating are influenced by mildew of the coating layer in the long-term use process is avoided. The plant bactericide can also reduce environmental pollution and improve the environmental protection of the coating.
In order to achieve the second object, the invention provides the following technical scheme:
the preparation method of the waterborne polyurethane noctilucent crack coating comprises the following steps:
1) adding cellulose, a dispersing agent, a wetting agent, an antifreezing agent, a film forming auxiliary agent and a defoaming agent into water, and stirring at the rotating speed of 500-800r/min for 3-8min to obtain a dispersion system;
2) adding transparent powder and luminescent pigment into the dispersion system obtained in the step 1), and stirring at the rotating speed of 1500-2000r/min for 25-35min to obtain a premixed solution;
3) adding the polyurethane emulsion, the neutralizer, the flatting agent, the anti-settling agent, the bactericide and the crack agent into the premixed liquid obtained in the step 2), and uniformly mixing to obtain the polyurethane emulsion.
By adopting the technical scheme, the cellulose, the dispersing agent, the wetting agent and the like are uniformly dispersed to form a dispersion system, and then the transparent powder and the luminescent pigment are added, so that the transparent powder and the luminescent pigment can be more uniformly dispersed in the dispersion system, and the transparent powder and the luminescent pigment can also form a more uniform system in the final coating slurry, and further, the stable luminescent performance can be realized, and the luminescence is uniform and soft.
The invention is further configured to: the step 3) is uniformly mixed and stirred for 5-10min at the rotating speed of 300-500 r/min.
By adopting the technical scheme, the transparent powder and the luminescent pigment are fully and uniformly dispersed, and the particles in the system can be uniformly and stably suspended in the dispersion system only by low stirring speed after the polyurethane emulsion is added.
In conclusion, the invention has the following beneficial effects:
firstly, a large amount of luminescent pigment and transparent powder are added into the waterborne polyurethane noctilucent crack coating, and the waterborne polyurethane noctilucent crack coating is matched with polyurethane emulsion with a large proportion, so that the coating has good noctilucent performance and simultaneously keeps good wear resistance.
Secondly, the waterborne polyurethane noctilucent crack coating has the advantages of high heat resistance, high wear resistance, wide application range, environmental protection and economy. The paint provided by the invention can achieve the artistic effects of cracks and noctilucence, and is richer in decorative effect.
Detailed Description
The present invention will be described in further detail with reference to examples.
In the components of the waterborne polyurethane luminous crack coating, cellulose is at least one of hydroxyethyl cellulose and carboxymethyl cellulose.
In order to improve the fireproof performance, the waterborne polyurethane luminous crack coating also comprises 1-3 parts by weight of sodium metaborate.
Among the dispersants, the preferred polyethylene glycol is polyethylene glycol 200. The polyphosphate is sodium polyphosphate or potassium tripolyphosphate. Preferably, the dispersing agent is formed by mixing polyethylene glycol and polyphosphate in a mass ratio of 1-2: 1. Further preferably, the dispersing agent is formed by mixing polyethylene glycol and potassium tripolyphosphate in a mass ratio of 1-2: 1.
Preferably, the polyether defoamer is at least one of polyoxyethylene polyoxypropylene pentaerythritol ether, polyoxyethylene polyoxypropylene amine ether and polyoxypropylene glycerol ether.
Preferably, the film-forming assistant is formed by mixing any one of ethylene glycol butyl ether and propylene glycol butyl ether with 2, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate in a mass ratio of 2-3: 1. More preferably, the film-forming assistant is formed by mixing any one of ethylene glycol butyl ether and propylene glycol butyl ether with 2, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate in a mass ratio of 3: 1.
The neutralizer is any one of triethanolamine, aminoacetic acid and 2-amino-2 methyl-1-propanol.
The transparent powder is selected from commercial products, and preferably, the particle size of the transparent powder is 1250-. Preferably, the transparent powder is YT-S1001 transparent powder produced by the optimized chemical engineering and technology Limited company in the Fushan City.
The luminescent pigment is a commercial product, and the type and model thereof can be selected according to needs. In general, the particle size of the luminescent pigments is from 25 to 35 μm. The 10min luminance of the luminescent pigment is 300-330mcd/m2. The preferred luminance is 325mcd/m2. The light-emitting time of the luminescent pigment is not less than 12 h.
The flatting agent is any one of polyamide and polyvinyl alcohol.
Preferably, the nanosilica is a fumed silica. The particle size of the nano silicon dioxide is 6-20 nm.
Preferably, the cracking agent is a non-ionic aqueous cracking agent. In general, as the cracking agent, an aqueous F819 cracking agent produced by Fushan-Oner Polymer Co.
The bactericide is formed by mixing isothiazolinone bactericide and plant bactericide according to the mass ratio of 1: 4-6.
Preferably, the isothiazolinone bactericide is at least one of 2-methyl-4-isothiazolinone-3-one, 5-chloro-2-methyl-4-isothiazolinone-3-one, and 4, 5-dichloro-2-n-octyl-3-isothiazolinone.
The plant bactericide is prepared from at least one of lemongrass, lavender, chamomile and laurel leaf. Preferably, the plant bactericide is prepared from any one of lemongrass and lavender and any one of chamomile and laurel leaf. More preferably, the plant bactericide is prepared by mixing any one of lemongrass essential oil and lavender essential oil with any one of chamomile essential oil and laurel leaf essential oil according to the volume ratio of 5-8: 2-3. The essential oil is prepared by a method comprising the following steps: cutting plant leaves, soaking in solvent, distilling, and collecting essential oil. The solvent is at least one of water and ethanol. Preferably, the solvent consists of ethanol mixed with water in a volume ratio of 2-3: 1. The plant leaf is any one of lemon grass, lavender, chamomile and laurel leaf. The cutting is carried out by cutting into pieces with size not larger than 1cm2. The amount of the solvent is 8-10 times of the plant leaves when the solvent is added for soaking. The soaking time is 20-30 min.
Or the plant bactericide is prepared by the method comprising the following steps: cutting plant leaves, soaking in solvent, distilling, and collecting essential oil. The solvent is at least one of water and ethanol. Preferably, the solvent consists of ethanol mixed with water in a volume ratio of 2-3: 1. The plant leaves are at least two of lemon grass, lavender, chamomile and laurel leaf. Preferably, the plant leaf is composed of any one of lemongrass and lavender and any one of chamomile and laurel leaf. The cutting is carried out by cutting into pieces with size not larger than 1cm2. The amount of the solvent is 8-10 times of the plant leaves when the solvent is added for soaking. The soaking time is 20-30 min.
Preferably, the alkylphenol ethoxylate is at least one of octylphenol ethoxylate and nonylphenol ethoxylate. Further preferably, the degree of polymerization of the alkylphenol ethoxylate is 15 to 40.
The antifreeze is at least one of ethylene glycol, propylene glycol and glycerol.
When the waterborne polyurethane luminous crack coating is prepared, the fineness of the premixed liquid obtained in the step 2) is measured, and if the fineness exceeds a set value, the premixed liquid is continuously stirred for 5-10min at the rotating speed of 2500-.
Example 1
The waterborne polyurethane noctilucent crack paint comprises the following components in parts by weight: 560.0kg of polyurethane emulsion, 2.0kg of cellulose, 8.0kg of dispersant, 1.5kg of wetting agent, 8.0kg of antifreeze, 18.0kg of film-forming additive, 3.0kg of defoamer, 1.0kg of neutralizer, 90.0kg of transparent powder, 170.0kg of luminous pigment, 5.0kg of flatting agent, 5.0kg of anti-settling agent, 2.0kg of bactericide, 8.0kg of crack agent and 90.0kg of water.
Wherein the cellulose is hydroxyethyl cellulose. The dispersant is polyethylene glycol 200. The wetting agent is octyl phenol polyethenoxy ether. The antifreezing agent is glycerol. The film-forming assistant is ethylene glycol butyl ether. The defoaming agent polyoxyethylene polyoxypropylene pentaerythritol ether. The neutralizer is triethanolamine. The particle size of the transparent powder is 1500 meshes. The particle size of the luminescent pigment was 35 μm. The flatting agent is polyvinyl alcohol. The anti-settling agent is nano silicon dioxide, the nano silicon dioxide is gas-phase silicon dioxide, and the particle size is 12 nm. The bactericide is 4, 5-dichloro-2-n-octyl-3-isothiazolinone.
The preparation method of the waterborne polyurethane noctilucent crack coating comprises the following steps:
1) adding cellulose, a dispersing agent, a wetting agent, an antifreezing agent, a film forming auxiliary agent and a defoaming agent into water, and stirring at the rotating speed of 800r/min for 3min to obtain a dispersion system;
2) adding transparent powder and luminescent pigment into the dispersion system obtained in the step 1), and stirring at the rotating speed of 1500r/min for 35min to obtain a premixed solution;
3) adding the polyurethane emulsion, the neutralizer, the flatting agent, the anti-settling agent, the bactericide and the crack agent into the premixed liquid obtained in the step 2), and stirring at the rotating speed of 500r/min for 5min to obtain the polyurethane emulsion.
Example 2
The waterborne polyurethane noctilucent crack paint comprises the following components in parts by weight: 570.0kg of polyurethane emulsion, 3.0kg of cellulose, 5.0kg of dispersing agent, 2.0kg of wetting agent, 12.0kg of antifreezing agent, 20.0kg of film-forming additive, 2.0kg of defoaming agent, 2.0kg of neutralizing agent, 100.0kg of transparent powder, 180.0kg of luminous pigment, 4.0kg of flatting agent, 5.5kg of anti-settling agent, 4.0kg of bactericide, 7.0kg of crack agent and 80.0kg of water.
Wherein the cellulose is carboxymethyl cellulose. The dispersing agent is sodium polyphosphate. The wetting agent is nonylphenol polyoxyethylene ether. The antifreezing agent is propylene glycol. The film-forming assistant is propylene glycol methyl ether acetate. Defoaming agents polyoxypropylene glycerol ethers. The neutralizing agent is aminoacetic acid. The particle size of the transparent powder is 1500 meshes. The particle size of the luminescent pigment was 30 μm. The leveling agent is polyamide. The anti-settling agent is organic bentonite. The bactericide is 2-methyl-4-isothiazoline-3-ketone.
The preparation method of the waterborne polyurethane noctilucent crack coating comprises the following steps:
1) adding cellulose, a dispersing agent, a wetting agent, an antifreezing agent, a film forming auxiliary agent and a defoaming agent into water, and stirring at the rotating speed of 600r/min for 5min to obtain a dispersion system;
2) adding transparent powder and luminescent pigment into the dispersion system obtained in the step 1), and stirring at the rotating speed of 2000r/min for 30min to obtain a premixed solution;
3) adding the polyurethane emulsion, the neutralizer, the flatting agent, the anti-settling agent, the bactericide and the crack agent into the premixed liquid obtained in the step 2), and stirring at the rotating speed of 300r/min for 10min to obtain the polyurethane emulsion.
Example 3
The waterborne polyurethane noctilucent crack paint comprises the following components in parts by weight: 580.0kg of polyurethane emulsion, 4.0kg of cellulose, 3.0kg of dispersant, 3.0kg of wetting agent, 10.0kg of antifreezing agent, 25.0kg of film-forming additive, 1.0kg of defoaming agent, 1.5kg of neutralizing agent, 110.0kg of transparent powder, 195.0kg of luminous pigment, 6.0kg of flatting agent, 5.0kg of anti-settling agent, 3.0kg of bactericide, 6.0kg of crack agent and 85.0kg of water.
Wherein the cellulose is hydroxyethyl cellulose. The dispersant is potassium tripolyphosphate. The wetting agent is polyether modified polydimethylsiloxane. The antifreezing agent is ethylene glycol. The film-forming assistant is 2, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate. And the defoaming agent is polyoxyethylene polyoxypropylene ether. The neutralizer is 2-amino-2-methyl-1-propanol. The particle size of the transparent powder is 1500 meshes. The particle size of the luminescent pigment was 25 μm. The flatting agent is polyvinyl alcohol. The anti-settling agent is organic bentonite. The bactericide is 5-chloro-2-methyl-4-isothiazolin-3-one.
The preparation method of the waterborne polyurethane noctilucent crack coating comprises the following steps:
1) adding cellulose, a dispersing agent, a wetting agent, an antifreezing agent, a film forming auxiliary agent and a defoaming agent into water, and stirring at the rotating speed of 600r/min for 7min to obtain a dispersion system;
2) adding transparent powder and luminescent pigment into the dispersion system obtained in the step 1), and stirring at the rotating speed of 1800r/min for 30min to obtain a premixed solution;
3) adding the polyurethane emulsion, the neutralizer, the flatting agent, the anti-settling agent, the bactericide and the crack agent into the premixed liquid obtained in the step 2), and stirring at the rotating speed of 400r/min for 6min to obtain the polyurethane emulsion.
Example 4
The waterborne polyurethane noctilucent crack paint comprises the following components in parts by weight: 575.0kg of polyurethane emulsion, 2.5kg of cellulose, 7.0kg of dispersing agent, 2.5kg of wetting agent, 11.0kg of antifreezing agent, 22.0kg of film-forming additive, 2.0kg of defoaming agent, 1.2kg of neutralizing agent, 105.0kg of transparent powder, 190.0kg of luminescent pigment, 5.0kg of flatting agent, 6.0kg of anti-settling agent, 2.5kg of bactericide, 7.5kg of crack agent, 1kg of sodium metaborate and 87.0kg of water.
Wherein the cellulose is hydroxyethyl cellulose. The dispersant is acrylic acid copolymer ammonium salt. The wetting agent is octyl phenol polyethenoxy ether. The antifreezing agent is ethylene glycol. The film-forming assistant is propylene glycol butyl ether. The defoaming agent is polyoxyethylene polyoxypropylene pentaerythritol ether. The neutralizer is 2-amino-2-methyl-1-propanol. The particle size of the transparent powder is 1500 meshes. The particle size of the luminescent pigment was 30 μm. The flatting agent is polyvinyl alcohol. The anti-settling agent is nano silicon dioxide, the nano silicon dioxide is gas-phase silicon dioxide, and the particle size is 12 nm. The bactericide is prepared by mixing an isothiazolinone bactericide and a plant bactericide in a mass ratio of 1:6, wherein the isothiazolinone bactericide is 5-chloro-2-methyl-4-isothiazolinone-3-one, and the plant bactericide is prepared by mixing lavender essential oil and chamomile essential oil in a volume ratio of 8: 3.
The lavender essential oil is prepared by a method comprising the following steps: cutting lavender leaves to length of no more than 1cm, adding into a flask, adding deionized water 10 times of lavender leaves by mass, soaking for 30min, distilling, and collecting distilled essential oil. The chamomile essential oil is prepared by a method comprising the following steps: cutting flos Chrysanthemi leaf into pieces with size not larger than 1cm2Adding into a flask, adding deionized water 8 times of the weight of the chamomile leaves, soaking for 30min, distilling, and collecting the distilled essential oil.
The preparation method of the waterborne polyurethane noctilucent crack coating comprises the following steps:
1) adding cellulose, a dispersing agent, a wetting agent, an antifreezing agent, a film forming auxiliary agent and a defoaming agent into water, and stirring at the rotating speed of 700r/min for 8min to obtain a dispersion system;
2) adding transparent powder and luminescent pigment into the dispersion system obtained in the step 1), and stirring at the rotating speed of 1800r/min for 30min to obtain a premixed solution;
3) adding the polyurethane emulsion, the neutralizer, the flatting agent, the anti-settling agent, the bactericide, the cracking agent and the sodium metaborate into the premixed liquid obtained in the step 2), and stirring at the rotating speed of 400r/min for 6min to obtain the aqueous polyurethane emulsion.
Example 5
The waterborne polyurethane noctilucent crack paint comprises the following components in parts by weight: 572.0kg of polyurethane emulsion, 3.0kg of cellulose, 6.0kg of dispersing agent, 2.2kg of wetting agent, 10.5kg of antifreezing agent, 23.0kg of film-forming additive, 2.5kg of defoaming agent, 1.8kg of neutralizing agent, 100.0kg of transparent powder, 185.0kg of luminescent pigment, 4.5kg of flatting agent, 5.0kg of anti-settling agent, 3.5kg of bactericide, 7.2kg of cracking agent, 3.0kg of sodium metaborate and 92.0kg of water.
Wherein the cellulose is hydroxyethyl cellulose. The dispersant is potassium tripolyphosphate. The wetting agent is octyl phenol polyethenoxy ether. The antifreezing agent is ethylene glycol. The film-forming assistant is propylene glycol butyl ether. The defoaming agent is polyoxyethylene polyoxypropylene pentaerythritol ether. The neutralizing agent is aminoacetic acid. The particle size of the transparent powder is 1500 meshes. The particle size of the luminescent pigment was 30 μm. The flatting agent is polyvinyl alcohol. The anti-settling agent is nano silicon dioxideFumed silica, particle size 12 nm. The bactericide is formed by mixing an isothiazolinone bactericide and a plant bactericide in a mass ratio of 1:4, wherein the isothiazolinone bactericide is 5-chloro-2-methyl-4-isothiazolin-3-one, and the plant bactericide is prepared by a method comprising the following steps: cutting lemon lemongrass leaf and flos Chrysanthemi leaf into pieces with size not more than 1cm2Mixing, adding into a flask, adding deionized water 10 times the mass of the two, soaking for 20min, distilling, and collecting distilled essential oil as plant bactericide.
The preparation method of the waterborne polyurethane noctilucent crack coating comprises the following steps:
1) adding cellulose, a dispersing agent, a wetting agent, an antifreezing agent, a film forming auxiliary agent and a defoaming agent into water, and stirring at the rotating speed of 600r/min for 7min to obtain a dispersion system;
2) adding transparent powder and luminescent pigment into the dispersion system obtained in the step 1), and stirring at the rotating speed of 1800r/min for 30min to obtain a premixed solution;
3) adding the polyurethane emulsion, the neutralizer, the flatting agent, the anti-settling agent, the bactericide, the cracking agent and the sodium metaborate into the premixed liquid obtained in the step 2), and stirring at the rotating speed of 400r/min for 6min to obtain the aqueous polyurethane emulsion.
Example 6
The waterborne polyurethane noctilucent crack paint comprises the following components in parts by weight: 570.0kg of polyurethane emulsion, 3.0kg of cellulose, 5.0kg of dispersing agent, 2.0kg of wetting agent, 10.0kg of antifreezing agent, 20.0kg of film-forming additive, 2.0kg of defoaming agent, 1.5kg of neutralizing agent, 102.0kg of transparent powder, 180.0kg of luminous pigment, 5.0kg of flatting agent, 5.5kg of anti-settling agent, 3.0kg of bactericide, 7.0kg of crack agent and 86.0kg of water.
Wherein the cellulose is hydroxyethyl cellulose. The dispersing agent is formed by mixing polyethylene glycol and potassium tripolyphosphate according to the mass ratio of 2: 1. The wetting agent is octyl phenol polyethenoxy ether. The antifreezing agent is ethylene glycol. The film-forming additive is formed by mixing propylene glycol butyl ether and 2, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate according to the mass ratio of 3: 1. The defoaming agent is polyoxyethylene polyoxypropylene pentaerythritol ether. The neutralizing agent is aminoacetic acid. The particle size of the transparent powder is 1500 meshes. The particle size of the luminescent pigment was 30 μm. The flatting agent is polyethyleneAn enol. The anti-settling agent is nano silicon dioxide, the nano silicon dioxide is gas-phase silicon dioxide, and the particle size is 12 nm. The bactericide is formed by mixing an isothiazolinone bactericide and a plant bactericide in a mass ratio of 1:4, wherein the isothiazolinone bactericide is 5-chloro-2-methyl-4-isothiazolin-3-one, and the plant bactericide is prepared by a method comprising the following steps: cutting lemon lemongrass leaf and flos Chrysanthemi leaf into pieces with size not more than 1cm2Mixing the two materials, adding into a flask, adding 10 times of solvent in the mass ratio of ethanol to water at a volume ratio of 2:1, soaking for 20min, distilling, and collecting distilled essential oil as plant bactericide.
The preparation method of the waterborne polyurethane noctilucent crack coating comprises the following steps:
1) adding cellulose, a dispersing agent, a wetting agent, an antifreezing agent, a film forming auxiliary agent and a defoaming agent into water, and stirring at the rotating speed of 600r/min for 7min to obtain a dispersion system;
2) adding transparent powder and luminescent pigment into the dispersion system obtained in the step 1), and stirring at the rotating speed of 1800r/min for 30min to obtain a premixed solution;
3) adding the polyurethane emulsion, the neutralizer, the flatting agent, the anti-settling agent, the bactericide and the crack agent into the premixed liquid obtained in the step 2), and stirring at the rotating speed of 400r/min for 6min to obtain the polyurethane emulsion.
Example 7
The waterborne polyurethane noctilucent crack paint comprises the following components in parts by weight: 570.0kg of polyurethane emulsion, 2.5kg of cellulose, 5.0kg of dispersing agent, 2.5kg of wetting agent, 10.0kg of antifreezing agent, 22.0kg of film-forming additive, 2.0kg of defoaming agent, 1.2kg of neutralizing agent, 100.0kg of transparent powder, 180.0kg of luminous pigment, 5.0kg of flatting agent, 5.5kg of anti-settling agent, 3kg of bactericide, 7kg of crack agent and 86kg of water.
Wherein the cellulose is hydroxyethyl cellulose. The dispersing agent is formed by mixing polyethylene glycol and potassium tripolyphosphate according to the mass ratio of 2: 1. The wetting agent is octyl phenol polyethenoxy ether. The antifreezing agent is ethylene glycol. The film-forming additive is formed by mixing propylene glycol butyl ether and 2, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate according to the mass ratio of 3: 1. The defoaming agent is polyoxyethylene polyoxypropylene pentaerythritol ether. The neutralizing agent is aminoacetic acid. The particle size of the transparent powder is 1500 meshes. The particle size of the luminescent pigment was 30 μm. The flatting agent is polyvinyl alcohol. The anti-settling agent is nano silicon dioxide, the nano silicon dioxide is gas-phase silicon dioxide, and the particle size is 12 nm.
The bactericide is formed by mixing an isothiazolinone bactericide and a plant bactericide in a mass ratio of 1:4, wherein the isothiazolinone bactericide is 5-chloro-2-methyl-4-isothiazolin-3-one, and the plant bactericide is prepared by a method comprising the following steps: cutting lemon lemongrass leaf and laurel leaf into pieces with size not more than 0.5cm2Mixing the two materials, adding into a flask, adding 10 times of solvent in the mass ratio of ethanol to water at a volume ratio of 2:1, soaking for 20min, distilling, and collecting distilled essential oil as plant bactericide.
The preparation method of the waterborne polyurethane noctilucent crack coating comprises the following steps:
1) adding cellulose, a dispersing agent, a wetting agent, an antifreezing agent, a film forming auxiliary agent and a defoaming agent into water, and stirring at the rotating speed of 700r/min for 8min to obtain a dispersion system;
2) adding transparent powder and luminescent pigment into the dispersion system obtained in the step 1), and stirring at the rotating speed of 1800r/min for 30min to obtain a premixed solution;
3) adding the polyurethane emulsion, the neutralizer, the flatting agent, the anti-settling agent, the bactericide and the crack agent into the premixed liquid obtained in the step 2), and stirring at the rotating speed of 400r/min for 6min to obtain the polyurethane emulsion.
Comparative example 1
The waterborne polyurethane noctilucent crack coating comprises the following components in parts by weight: 320.0kg of polyurethane emulsion, 150.0kg of polyester acrylate, 25.0kg of carboxymethyl cellulose, 2008.0 kg of polyethylene glycol, 2kg of octyl phenol polyoxyethylene ether, 5.0kg of glycerol, 15.0kg of butyl cellosolve, 3.0kg of polyoxyethylene polyoxypropylene pentaerythritol ether, 80.0kg of luminous pigment, 5.0kg of flatting agent, 5.0kg of anti-settling agent, 2.0kg of bactericide, 8.0kg of crack agent and 85.0kg of water.
Wherein the particle diameter of the luminescent pigment is 35 μm. The flatting agent is polyvinyl alcohol. The anti-settling agent is nano silicon dioxide, the nano silicon dioxide is gas-phase silicon dioxide, and the particle size is 12 nm. The bactericide is 4, 5-dichloro-2-n-octyl-3-isothiazolinone.
The preparation method of the waterborne polyurethane noctilucent crack coating of the comparative example refers to example 1.
Comparative example 2
The waterborne polyurethane noctilucent crack coating comprises the following components in parts by weight: 320.0kg of polyurethane emulsion, 120.0kg of polyester acrylate, 25.0kg of carboxymethyl cellulose, 2008.0 kg of polyethylene glycol, 2kg of octyl phenol polyoxyethylene ether, 5.0kg of glycerol, 15.0kg of butyl cellosolve, 3.0kg of polyoxyethylene polyoxypropylene pentaerythritol ether, 50.0kg of transparent powder, 80.0kg of luminous pigment, 5.0kg of flatting agent, 5.0kg of anti-settling agent, 2.0kg of bactericide, 8.0kg of crack agent and 85.0kg of water.
Wherein the particle diameter of the luminescent pigment is 35 μm. The flatting agent is polyvinyl alcohol. The anti-settling agent is nano silicon dioxide, the nano silicon dioxide is gas-phase silicon dioxide, and the particle size is 12 nm. The bactericide is 4, 5-dichloro-2-n-octyl-3-isothiazolinone.
The preparation method of the waterborne polyurethane noctilucent crack coating of the comparative example refers to example 1.
Test examples
The water-based polyurethane luminous crack coatings in examples 1-7 and comparative examples are taken, the luminous time is tested, the adhesion is tested according to the test method in GB/T1720-1979 paint film adhesion determination method, the impact resistance is tested according to the test method in GB/T4893.9-2013 furniture surface paint film physical and chemical property test, the wear resistance is tested according to the test method in GB/T1768-1979 rotating rubber grinding wheel method for testing the wear resistance of colored paint and varnish, the acid and alkali resistance is tested according to the test method in GB/T9274-1988 determination method for testing the liquid medium resistance of colored paint and varnish, and the test results are shown in Table 1.
TABLE 1 Performance testing of waterborne polyurethane noctilucent crack coatings of examples 1-7 and comparative examples
Figure BDA0002586587280000101
As can be seen from Table 1, the waterborne polyurethane noctilucent crack coating disclosed by the invention is long in luminescence time and strong in adhesive force. And has good shock resistance and wear resistance, and can greatly prolong the service life of the coating. The waterborne polyurethane luminous crack coating also has good acid resistance and alkali resistance, and is suitable for being used in various complex environments.

Claims (10)

1. A waterborne polyurethane noctilucent crack coating is characterized in that: the composition comprises the following components in parts by weight: 580 parts of polyurethane emulsion 560-containing material, 80-92 parts of water, 2-4 parts of cellulose, 3-8 parts of dispersing agent, 1.5-3 parts of wetting agent, 8-12 parts of antifreezing agent, 18-25 parts of film-forming assistant, 1-3 parts of defoaming agent, 1-2 parts of neutralizing agent, 90-110 parts of transparent powder, 195 parts of luminescent pigment 170-containing material, 4-6 parts of flatting agent, 5-6 parts of anti-settling agent, 2-4 parts of bactericide and 6-8 parts of crack agent.
2. The waterborne polyurethane luminous crack coating as claimed in claim 1, wherein the waterborne polyurethane luminous crack coating is characterized in that: the waterborne polyurethane noctilucent crack paint comprises the following components in parts by weight: 580 parts of polyurethane emulsion 570-containing material, 80-92 parts of water, 2.5-4 parts of cellulose, 3-7 parts of dispersing agent, 2-3 parts of wetting agent, 10-12 parts of antifreezing agent, 20-25 parts of film-forming additive, 1-2.5 parts of defoaming agent, 1.2-2 parts of neutralizing agent, 110 parts of transparent powder 100-containing material, 195 parts of luminescent pigment 180-containing material, 4-6 parts of flatting agent, 5-6 parts of anti-settling agent, 2.5-4 parts of bactericide and 6-7 parts of cracking agent.
3. The waterborne polyurethane luminous crack coating as claimed in claim 1 or 2, wherein: the dispersing agent is at least one of polyethylene glycol, acrylic acid copolymer ammonium salt and polyphosphate.
4. The waterborne polyurethane luminous crack coating as claimed in claim 1 or 2, wherein: the wetting agent is at least one of alkylphenol polyoxyethylene and polyether modified polydimethylsiloxane.
5. The waterborne polyurethane luminous crack coating as claimed in claim 1 or 2, wherein: the film-forming assistant is at least one of ethylene glycol butyl ether, propylene glycol methyl ether acetate and 2, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate.
6. The waterborne polyurethane luminous crack coating as claimed in claim 1 or 2, wherein: the defoaming agent is a polyether defoaming agent.
7. The waterborne polyurethane luminous crack coating as claimed in claim 1 or 2, wherein: the anti-settling agent is organic bentonite or nano silicon dioxide.
8. The waterborne polyurethane luminous crack coating as claimed in claim 1 or 2, wherein: the bactericide is at least one of isothiazolinone bactericide and plant bactericide.
9. The preparation method of the waterborne polyurethane noctilucent crack paint as claimed in claim 1, which is characterized by comprising the following steps: the method comprises the following steps:
1) adding cellulose, a dispersing agent, a wetting agent, an antifreezing agent, a film forming auxiliary agent and a defoaming agent into water, and stirring at the rotating speed of 500-800r/min for 3-8min to obtain a dispersion system;
2) adding transparent powder and luminescent pigment into the dispersion system obtained in the step 1), and stirring at the rotating speed of 1500-2000r/min for 25-35min to obtain a premixed solution;
3) adding the polyurethane emulsion, the neutralizer, the flatting agent, the anti-settling agent, the bactericide and the crack agent into the premixed liquid obtained in the step 2), and uniformly mixing to obtain the polyurethane emulsion.
10. The preparation method of the waterborne polyurethane noctilucent crack paint as claimed in claim 9, which is characterized in that: the step 3) is uniformly mixed and stirred for 5-10min at the rotating speed of 300-500 r/min.
CN202010683178.6A 2020-07-15 2020-07-15 Waterborne polyurethane noctilucent crack paint and preparation method thereof Withdrawn CN111944401A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103351759A (en) * 2013-07-29 2013-10-16 星庄园化工（上海）有限公司 Outdoor luminous water-based woodenware paint and preparation method thereof
WO2015005434A1 (en) * 2013-07-10 2015-01-15 関西ペイント株式会社 Coating composition
CN104845477A (en) * 2015-05-27 2015-08-19 浙江大学自贡创新中心 Luminous basic paint and preparing method thereof
JP2016074862A (en) * 2014-10-09 2016-05-12 イズミ物産株式会社 Water-based paint for glass
CN107722818A (en) * 2017-10-09 2018-02-23 安徽源美广告传媒有限公司 A kind of special luminous paint of painting advertisement and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015005434A1 (en) * 2013-07-10 2015-01-15 関西ペイント株式会社 Coating composition
CN103351759A (en) * 2013-07-29 2013-10-16 星庄园化工（上海）有限公司 Outdoor luminous water-based woodenware paint and preparation method thereof
JP2016074862A (en) * 2014-10-09 2016-05-12 イズミ物産株式会社 Water-based paint for glass
CN104845477A (en) * 2015-05-27 2015-08-19 浙江大学自贡创新中心 Luminous basic paint and preparing method thereof
CN107722818A (en) * 2017-10-09 2018-02-23 安徽源美广告传媒有限公司 A kind of special luminous paint of painting advertisement and preparation method thereof

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