CN110183957B - Environment-friendly high-wear-resistance water-based gloss oil and preparation method thereof - Google Patents
Environment-friendly high-wear-resistance water-based gloss oil and preparation method thereof Download PDFInfo
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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
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
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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
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C08L2205/00—Polymer mixtures characterised by other features
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Abstract
The invention relates to the technical field of gloss oil, in particular to environment-friendly high-wear-resistance water-based gloss oil and a preparation method thereof, wherein the environment-friendly high-wear-resistance water-based gloss oil comprises the following raw materials in parts by weight: 20-40 parts of modified polyurethane emulsion, 15-35 parts of modified styrene-acrylic emulsion, 2-6 parts of wax emulsion, 3-5 parts of dispersing agent, 2-4 parts of flatting agent, 1-2 parts of defoaming agent, 0.5-1.5 parts of film-forming assistant and 20-40 parts of deionized water. The environment-friendly high-wear-resistance water-based gloss oil disclosed by the invention has the advantages of higher wear resistance, high gloss, good flexibility, high drying speed and good blocking resistance, and also has the advantages of good film forming property, good compatibility, excellent substrate adhesion, high glossiness, good cohesive force, very strong dirt resistance, good water resistance, acid and alkali resistance, ageing resistance, no toxicity or peculiar smell, low carbon, environment friendliness and low cost.
Description
Technical Field
The invention relates to the technical field of gloss oil, in particular to environment-friendly high-wear-resistance water-based gloss oil and a preparation method thereof.
Background
The wear resistance of the water-based gloss oil is mainly provided by wax emulsion, the particle size of the wax emulsion and the thickness of a coating film are in the same order of magnitude, and the floating effect of the wax is generated in the film forming process, so that the wax floats to the uppermost layer of the coating film and is wrapped in the gloss oil resin, and part of the wax is exposed outside the coating film; when the surface layer of the coating film is acted by external force, the damage of the external force to the surface of the coating film is weakened due to the sliding action of the wax protective layer.
In the traditional water-based gloss oil, the binding force of a coating film on wax emulsion particles is small or the coating film is too rigid, the wax emulsion particles can fall off in the friction process, the wear resistance of the water-based gloss oil is finally reduced, and the glossiness is also reduced due to the addition of excessive wax emulsion. Because the wear resistance of the traditional water and oil can not achieve the ideal effect, the glossiness is not good while the wear resistance is considered, and the post-printing processing adaptability is reduced.
Chinese patent CN104946115A discloses a quick-drying wear-resistant water-based varnish and a preparation method thereof, which adopts silicate alcohol type wear-resistant resin, water-based polyurethane resin, water-based paint wear-resistant accelerator and the like to prepare the wear-resistant water-based varnish, and although the wear-resistant performance is improved, the production cost is correspondingly increased.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide the environment-friendly high-wear-resistance water-based gloss oil which has high wear resistance, has the advantages of high gloss, good flexibility, high drying speed and good blocking resistance, has good film forming property, compatibility and excellent substrate adhesion, has high gloss, good cohesive force, strong dirt resistance, good water resistance, acid and alkali resistance, ageing resistance, no toxicity or peculiar smell, is low-carbon, environment-friendly and low in cost.
The invention also aims to provide a preparation method of the environment-friendly high-wear-resistance water-based gloss oil, which has the advantages of simple steps, convenient operation and control, stable quality, high production efficiency and low production cost and can be used for large-scale industrial production.
The purpose of the invention is realized by the following technical scheme: an environment-friendly high-wear-resistance water-based gloss oil is prepared from the following raw materials in parts by weight:
20-40 parts of modified polyurethane emulsion
15-35 parts of modified styrene-acrylic emulsion
2-6 parts of wax emulsion
3-5 parts of dispersant
2-4 parts of flatting agent
1-2 parts of defoaming agent
0.5-1.5 parts of film-forming assistant
20-40 parts of deionized water.
The environment-friendly high-wear-resistance water-based gloss oil disclosed by the invention has the advantages of high wear resistance, high gloss, good flexibility, high drying speed, good blocking resistance, good film forming property, good compatibility, excellent base material adhesion, high gloss, good cohesive force, strong pollution resistance, good water resistance, acid and alkali resistance, ageing resistance, no toxicity or peculiar smell, low carbon, environment friendliness and low cost by adopting the raw materials and strictly controlling the weight ratio of the raw materials.
Preferably, the preparation method of the modified polyurethane emulsion comprises the following steps: adding an initiator and maleic anhydride into the aqueous polyurethane emulsion, dispersing for 0.5-1.5h at the temperature of 80-90 ℃ by using a homogenizer, and filtering to obtain a modified polyurethane emulsion; wherein the addition amount of the initiator is 60-80% of the mass of the aqueous polyurethane emulsion, and the addition amount of the maleic anhydride is 30-50% of the mass of the aqueous polyurethane emulsion. The gloss oil can improve the glossiness and the wear resistance by adopting the maleic anhydride modified waterborne polyurethane emulsion.
Preferably, the preparation method of the modified styrene-acrylic emulsion comprises the following steps: dissolving an emulsifier in deionized water to obtain a pre-reaction solution; adding a part of the pre-reaction liquid into an acrylate monomer, and stirring at a high speed for 20-40min to obtain a reaction liquid A; mixing the rest of the pre-reaction liquid with an initiator and a silane coupling agent, and stirring for 10-20min at the temperature of 65-75 ℃ to obtain reaction liquid B; slowly dripping the reaction liquid B into the reaction liquid A at the temperature of 75-85 ℃, preserving the heat, reacting for 2-4h, cooling, adjusting the pH value to 7-8, and filtering to obtain a modified styrene-acrylic emulsion; wherein the mass ratio of the acrylate monomer, the emulsifier, the initiator, the silane coupling agent and the deionized water is 80-120: 2-4: 3-5: 1-2: 60-100. According to the invention, the silane coupling agent is adopted to modify the styrene-acrylic emulsion, so that the mechanical property and weather resistance of the water-based gloss oil can be improved.
Preferably, the initiator is at least one of potassium persulfate, sodium persulfate, ammonium persulfate, azobisisobutyronitrile, azobisisoheptonitrile, benzoyl peroxide, lauroyl peroxide, cumene hydroperoxide, tert-butyl hydroperoxide, di-tert-butyl peroxide, dicumyl peroxide, tert-butyl peroxybenzoate, tert-butyl peroxypivalate, methyl ethyl ketone peroxide, cyclohexanone peroxide, diisopropyl peroxydicarbonate, and dicyclohexyl peroxydicarbonate. By adopting the initiator, the invention can initiate polymerization reaction at lower temperature, improve reaction rate and reduce energy consumption.
Preferably, the emulsifier is at least one of sodium dodecyl sulfate, sodium dodecyl benzene sulfonate, nonylphenol polyoxyethylene ether, octylphenol polyoxyethylene ether, phenethylphenol polyoxypropylene polyoxyethylene ether, benzyl phenol polyoxyethylene ether, phenethylphenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether, fatty amine polyoxyethylene ether, sorbitan fatty acid ester and glycerol polyoxyethylene ether polyoxypropylene ether fatty acid ester. The emulsifier is adopted, so that the surface tension among various constituent phases in the emulsion can be improved, a uniform and stable dispersion system or emulsion is formed, the stability of the emulsion can be improved, and the polymerization of acrylate monomers is facilitated.
The acrylate monomer is prepared from ethyl acrylate, ethyl methacrylate, acrylonitrile, hydroxypropyl methacrylate and glycidyl methacrylate in a weight ratio of 4-8: 2-6: 1: 0.8-1.2: 0.4-0.8. According to the invention, the Tg of the gloss oil is in a proper range by strictly controlling the type, compounding and proportion of the acrylate monomer, so that the adhesive film has high hardness and tensile strength and low film forming temperature.
Preferably, the silane coupling agent is phenyltrimethoxysilane, phenyltriethoxysilane, methyltriethoxysilane, vinyltriethoxysilane, vinyltrimethoxysilane, anilinomethyltriethoxysilane, dichloromethyltriethoxysilane, vinyltris (beta-methoxyethoxy) silane, gamma-aminopropyltrimethoxysilane, gamma-aminopropyltriethoxysilane, 3-glycidoxypropyltrimethoxysilane, gamma-methacryloxypropyltrimethoxysilane, gamma-mercaptopropyltriethoxysilane, N-beta-aminoethyl-gamma-aminopropylmethyldimethoxysilane, N- (beta-aminoethyl) -gamma-aminopropyltriethoxysilane, N- (beta-aminoethyl) -gamma-aminotriethoxysilane, N- (beta-aminoethyltriethoxysilane, N- (beta-gamma-, At least one of gamma-aminopropylmethyldiethoxysilane, diethylaminomethyltriethoxysilane and bis (gamma-triethoxysilylpropyl) -tetrasulfide. According to the invention, the silane coupling agent is adopted to modify the styrene-acrylic emulsion, so that the mechanical property and weather resistance of the water-based gloss oil can be improved.
Preferably, the wax emulsion is an aqueous polyethylene wax emulsion with a solid content of 35-45%. The water-based polyethylene wax emulsion with the solid content of 35-45% is adopted, so that the gloss oil has better wear resistance.
Preferably, the dispersant is at least one of calcium stearate, magnesium stearate, zinc stearate, barium stearate, butyl stearate, ethylene bis stearamide, stearic acid monoglyceride, glyceryl tristearate, microcrystalline paraffin and oxidized polyethylene wax. By adopting the dispersing agent, the gloss can be improved, the leveling effect can be improved, the tinting strength can be improved, the viscosity can be reduced, the flocculation can be reduced, and the storage stability can be improved.
The leveling agent is at least one of polydimethylsiloxane, polymethylphenylsiloxane, polyether polyester modified organosiloxane, alkyl hydroxyl modified organosiloxane and acrylate leveling agent. By adopting the flatting agent, the surface tension of the gloss oil can be effectively reduced, the flatting property and the uniformity of the gloss oil are improved, the permeability of the gloss oil can be improved, the possibility of generating spots and stains during brushing can be reduced, the coverage property is increased, the film forming is uniform and natural, and the gloss oil forms a flat, smooth and uniform coating film in the drying film forming process.
Preferably, the defoaming agent is at least one of silicone emulsion, higher alcohol fatty acid ester complex, polyoxyethylene polyoxypropylene pentaerythritol ether, polyoxyethylene polyoxypropylene amine ether, polyoxypropylene glycerol ether and polyoxypropylene polyoxyethylene glycerol ether. By adopting the defoaming agent, the invention has the characteristics of high defoaming speed, long foam inhibition time, good effect, good diffusivity and permeability, good thermal stability and the like.
The film-forming assistant is at least one of benzyl alcohol, ethylene glycol, propylene glycol, hexanediol, dodecyl alcohol ester, ethylene glycol butyl ether, propylene glycol methyl ether, propylene glycol ethyl ether, propylene glycol butyl ether, dipropylene glycol monomethyl ether, dipropylene glycol monopropyl ether, dipropylene glycol monobutyl ether, tripropylene glycol n-butyl ether, propylene glycol phenyl ether, hexanediol butyl ether acetate and 3-ethoxy ethyl propionate. By adopting the film forming additive, the invention has good film forming property, compatibility and excellent substrate adhesiveness.
The other purpose of the invention is realized by the following technical scheme: the preparation method of the environment-friendly high-wear-resistance water-based gloss oil comprises the steps of weighing the raw materials according to the weight ratio, uniformly stirring, and filtering to obtain the environment-friendly high-wear-resistance water-based gloss oil.
The invention has the beneficial effects that: the environment-friendly high-wear-resistance water-based gloss oil disclosed by the invention has the advantages of higher wear resistance, high gloss, good flexibility, high drying speed and good blocking resistance, and also has the advantages of good film forming property, good compatibility, excellent substrate adhesion, high glossiness, good cohesive force, very strong dirt resistance, good water resistance, acid and alkali resistance, ageing resistance, no toxicity or peculiar smell, low carbon, environment friendliness and low cost.
The preparation method has the advantages of simple steps, convenient operation and control, stable quality, high production efficiency and low production cost, and can be used for large-scale industrial production.
Detailed Description
The present invention will be further described with reference to the following examples for facilitating understanding of those skilled in the art, and the description of the embodiments is not intended to limit the present invention.
Example 1
An environment-friendly high-wear-resistance water-based gloss oil is prepared from the following raw materials in parts by weight:
20 parts of modified polyurethane emulsion
15 parts of modified styrene-acrylic emulsion
Wax emulsion 2 parts
3 portions of dispersant
Leveling agent 2 parts
1 part of defoaming agent
0.5 part of film-forming assistant
And 20 parts of deionized water.
The preparation method of the modified polyurethane emulsion comprises the following steps: adding an initiator and maleic anhydride into the aqueous polyurethane emulsion, dispersing for 1.5h at the temperature of 80 ℃ by using a homogenizer, and filtering to obtain a modified polyurethane emulsion; wherein the addition amount of the initiator is 60% of the mass of the aqueous polyurethane emulsion, and the addition amount of the maleic anhydride is 30% of the mass of the aqueous polyurethane emulsion.
The preparation method of the modified styrene-acrylic emulsion comprises the following steps: dissolving an emulsifier in deionized water to obtain a pre-reaction solution; adding a part of the pre-reaction liquid into an acrylate monomer, and stirring at a high speed for 20min to obtain a reaction liquid A; mixing the rest of the pre-reaction solution with an initiator and a silane coupling agent, and stirring for 20min at the temperature of 65 ℃ to obtain a reaction solution B; slowly dripping the reaction liquid B into the reaction liquid A at the temperature of 75 ℃, preserving the heat for reacting for 4 hours, cooling, adjusting the pH value to 7-8, and filtering to obtain a modified styrene-acrylic emulsion; wherein the mass ratio of the acrylate monomer to the emulsifier to the initiator to the silane coupling agent to the deionized water is 80: 2: 3: 1: 60.
the initiator is potassium persulfate, sodium persulfate or ammonium persulfate.
The emulsifier is sodium dodecyl sulfate or sodium dodecyl benzene sulfonate; the acrylate monomer is prepared from ethyl acrylate, ethyl methacrylate, acrylonitrile, hydroxypropyl methacrylate and glycidyl methacrylate in a weight ratio of 4: 2: 1: 0.8: 0.4 of the composition.
The silane coupling agent is phenyl trimethoxy silane, phenyl triethoxy silane, methyl triethoxy silane, vinyl triethoxy silane or vinyl trimethoxy silane.
The wax emulsion is an aqueous polyethylene wax emulsion with a solid content of 35%.
The dispersing agent is calcium stearate, magnesium stearate, zinc stearate or barium stearate; the leveling agent is polydimethylsiloxane.
The defoaming agent is emulsified silicone oil; the film-forming assistant is benzyl alcohol, ethylene glycol, propylene glycol or hexanediol.
The preparation method of the environment-friendly high-wear-resistance water-based gloss oil comprises the steps of weighing the raw materials according to the weight ratio, uniformly stirring, and filtering to obtain the environment-friendly high-wear-resistance water-based gloss oil.
Example 2
An environment-friendly high-wear-resistance water-based gloss oil is prepared from the following raw materials in parts by weight:
25 parts of modified polyurethane emulsion
20 parts of modified styrene-acrylic emulsion
Wax emulsion 3 parts
Dispersant 3.5 parts
Leveling agent 2.5 parts
1.2 portions of defoaming agent
0.8 part of film-forming assistant
25 parts of deionized water.
The preparation method of the modified polyurethane emulsion comprises the following steps: adding an initiator and maleic anhydride into the aqueous polyurethane emulsion, dispersing for 1.2h at 82 ℃ by using a homogenizer, and filtering to obtain a modified polyurethane emulsion; wherein the addition amount of the initiator is 65% of the mass of the aqueous polyurethane emulsion, and the addition amount of the maleic anhydride is 35% of the mass of the aqueous polyurethane emulsion.
The preparation method of the modified styrene-acrylic emulsion comprises the following steps: dissolving an emulsifier in deionized water to obtain a pre-reaction solution; adding a part of the pre-reaction liquid into an acrylate monomer, and stirring at a high speed for 25min to obtain a reaction liquid A; mixing the rest of the pre-reaction liquid with an initiator and a silane coupling agent, and stirring for 18min at 68 ℃ to obtain reaction liquid B; slowly dripping the reaction liquid B into the reaction liquid A at the temperature of 78 ℃, preserving the heat for reaction for 3.5 hours, cooling, adjusting the pH value to 7-8, and filtering to obtain a modified styrene-acrylic emulsion; wherein the mass ratio of the acrylate monomer to the emulsifier to the initiator to the silane coupling agent to the deionized water is 90: 2.5: 3.5: 1.2: 70.
the initiator is azobisisobutyronitrile or azobisisoheptonitrile.
The emulsifier is nonylphenol polyoxyethylene ether, octylphenol polyoxyethylene ether or alkylphenol polyoxyethylene ether; the acrylate monomer is prepared from ethyl acrylate, ethyl methacrylate, acrylonitrile, hydroxypropyl methacrylate and glycidyl methacrylate in a weight ratio of 5: 3: 1: 0.9: 0.5 of the composition.
The silane coupling agent is aniline methyl triethoxysilane, dichloromethyl triethoxysilane or vinyl tri (beta-methoxyethoxy) silane.
The wax emulsion is an aqueous polyethylene wax emulsion having a solids content of 38%.
The dispersant is butyl stearate; the leveling agent is polymethylphenylsiloxane.
The defoaming agent is a higher alcohol fatty acid ester compound; the film-forming assistant is dodecyl alcohol ester.
The preparation method of the environment-friendly high-wear-resistance water-based gloss oil comprises the steps of weighing the raw materials according to the weight ratio, uniformly stirring, and filtering to obtain the environment-friendly high-wear-resistance water-based gloss oil.
Example 3
An environment-friendly high-wear-resistance water-based gloss oil is prepared from the following raw materials in parts by weight:
30 parts of modified polyurethane emulsion
25 parts of modified styrene-acrylic emulsion
Wax emulsion 4 parts
4 portions of dispersant
Leveling agent 3 parts
Defoaming agent 1.5 parts
Film-forming assistant 1 part
30 parts of deionized water.
The preparation method of the modified polyurethane emulsion comprises the following steps: adding an initiator and maleic anhydride into the aqueous polyurethane emulsion, dispersing for 1h at the temperature of 85 ℃ by using a homogenizer, and filtering to obtain a modified polyurethane emulsion; wherein the addition amount of the initiator is 70% of the mass of the aqueous polyurethane emulsion, and the addition amount of the maleic anhydride is 40% of the mass of the aqueous polyurethane emulsion.
The preparation method of the modified styrene-acrylic emulsion comprises the following steps: dissolving an emulsifier in deionized water to obtain a pre-reaction solution; adding a part of the pre-reaction liquid into an acrylate monomer, and stirring at a high speed for 30min to obtain a reaction liquid A; mixing the rest of the pre-reaction solution with an initiator and a silane coupling agent, and stirring for 15min at the temperature of 70 ℃ to obtain a reaction solution B; slowly dripping the reaction liquid B into the reaction liquid A at the temperature of 80 ℃, preserving the heat for reaction for 3 hours, cooling, adjusting the pH value to 7-8, and filtering to obtain a modified styrene-acrylic emulsion; wherein the mass ratio of the acrylate monomer, the emulsifier, the initiator, the silane coupling agent and the deionized water is 100: 3: 4: 1.5: 80.
the initiator is benzoyl peroxide, lauroyl peroxide, cumene hydroperoxide, tert-butyl hydroperoxide, di-tert-butyl peroxide or dicumyl peroxide.
The emulsifier is phenethyl phenol polyoxypropylene polyoxyethylene ether, benzyl phenol polyoxyethylene ether or phenethyl phenol polyoxyethylene ether; the acrylate monomer is prepared from ethyl acrylate, ethyl methacrylate, acrylonitrile, hydroxypropyl methacrylate and glycidyl methacrylate in a weight ratio of 6: 4: 1: 1: 0.6 of the composition.
The silane coupling agent is gamma-aminopropyl trimethoxy silane, gamma-aminopropyl triethoxy silane, 3-aminopropyl trimethoxy silane, 3-glycidyl ether oxypropyl trimethoxy silane, gamma-methacryloxy propyl trimethoxy silane or gamma-mercaptopropyl triethoxy silane.
The wax emulsion is an aqueous polyethylene wax emulsion with a solid content of 40%.
The dispersing agent is ethylene bis stearamide; the leveling agent is polyether polyester modified organic siloxane.
The defoaming agent is polyoxyethylene polyoxypropylene pentaerythritol ether; the film-forming assistant is ethylene glycol butyl ether, propylene glycol methyl ether, propylene glycol ethyl ether, propylene glycol butyl ether, dipropylene glycol monomethyl ether, dipropylene glycol monopropyl ether, dipropylene glycol monobutyl ether or tripropylene glycol n-butyl ether.
The preparation method of the environment-friendly high-wear-resistance water-based gloss oil comprises the steps of weighing the raw materials according to the weight ratio, uniformly stirring, and filtering to obtain the environment-friendly high-wear-resistance water-based gloss oil.
Example 4
An environment-friendly high-wear-resistance water-based gloss oil is prepared from the following raw materials in parts by weight:
35 parts of modified polyurethane emulsion
30 parts of modified styrene-acrylic emulsion
Wax emulsion 5 parts
4.5 parts of dispersant
Leveling agent 3.5 parts
1.8 portions of defoaming agent
Film-forming assistant 1.2 parts
And 35 parts of deionized water.
The preparation method of the modified polyurethane emulsion comprises the following steps: adding an initiator and maleic anhydride into the aqueous polyurethane emulsion, dispersing for 0.8h at the temperature of 88 ℃ by adopting a homogenizer, and filtering to obtain a modified polyurethane emulsion; wherein the addition amount of the initiator is 75% of the mass of the aqueous polyurethane emulsion, and the addition amount of the maleic anhydride is 45% of the mass of the aqueous polyurethane emulsion.
The preparation method of the modified styrene-acrylic emulsion comprises the following steps: dissolving an emulsifier in deionized water to obtain a pre-reaction solution; adding a part of the pre-reaction liquid into an acrylate monomer, and stirring at a high speed for 35min to obtain a reaction liquid A; mixing the rest of the pre-reaction liquid with an initiator and a silane coupling agent, and stirring at the temperature of 72 ℃ for 12min to obtain reaction liquid B; slowly dripping the reaction liquid B into the reaction liquid A at the temperature of 82 ℃, preserving the heat, reacting for 2.5 hours, cooling, adjusting the pH value to 7-8, and filtering to obtain a modified styrene-acrylic emulsion; wherein the mass ratio of the acrylate monomer, the emulsifier, the initiator, the silane coupling agent and the deionized water is 110: 3.5: 4.5: 1.8: 90.
the initiator is tert-butyl peroxybenzoate, tert-butyl peroxypivalate, methyl ethyl ketone peroxide or cyclohexanone peroxide.
The emulsifier is fatty alcohol polyoxyethylene ether or fatty amine polyoxyethylene ether; the acrylate monomer is prepared from ethyl acrylate, ethyl methacrylate, acrylonitrile, hydroxypropyl methacrylate and glycidyl methacrylate in a weight ratio of 7: 5: 1: 1.1: 0.7 of the composition.
The silane coupling agent is N-beta-aminoethyl-gamma-aminopropylmethyldimethoxysilane, N- (beta-aminoethyl) -gamma-aminopropyltriethoxysilane, N-beta- (aminoethyl) -gamma-aminopropyltrimethoxysilane or N- (beta-aminoethyl) -gamma-aminopropyltriethoxysilane.
The wax emulsion is an aqueous polyethylene wax emulsion with a solid content of 42%.
The dispersant is stearic acid monoglyceride or tristearin; the leveling agent is alkyl hydroxyl modified organic siloxane.
The defoaming agent is propylene glycol phenyl ether. The film-forming aid is propylene glycol phenyl ether.
The preparation method of the environment-friendly high-wear-resistance water-based gloss oil comprises the steps of weighing the raw materials according to the weight ratio, uniformly stirring, and filtering to obtain the environment-friendly high-wear-resistance water-based gloss oil.
Example 5
An environment-friendly high-wear-resistance water-based gloss oil is prepared from the following raw materials in parts by weight:
40 parts of modified polyurethane emulsion
35 parts of modified styrene-acrylic emulsion
6 portions of wax emulsion
5 portions of dispersant
Leveling agent 4 parts
2 portions of defoaming agent
Film-forming assistant 1.5 parts
40 parts of deionized water.
The preparation method of the modified polyurethane emulsion comprises the following steps: adding an initiator and maleic anhydride into the aqueous polyurethane emulsion, dispersing for 0.5h at the temperature of 90 ℃ by using a homogenizer, and filtering to obtain a modified polyurethane emulsion; wherein the addition amount of the initiator is 80% of the mass of the aqueous polyurethane emulsion, and the addition amount of the maleic anhydride is 50% of the mass of the aqueous polyurethane emulsion.
The preparation method of the modified styrene-acrylic emulsion comprises the following steps: dissolving an emulsifier in deionized water to obtain a pre-reaction solution; adding a part of the pre-reaction liquid into an acrylate monomer, and stirring at a high speed for 40min to obtain a reaction liquid A; mixing the rest of the pre-reaction solution with an initiator and a silane coupling agent, and stirring for 10min at the temperature of 75 ℃ to obtain a reaction solution B; slowly dripping the reaction liquid B into the reaction liquid A at the temperature of 85 ℃, preserving the heat for reaction for 2 hours, cooling, adjusting the pH value to 7-8, and filtering to obtain a modified styrene-acrylic emulsion; wherein the mass ratio of the acrylate monomer, the emulsifier, the initiator, the silane coupling agent and the deionized water is 120: 4: 5: 2: 100.
the initiator is diisopropyl peroxydicarbonate or dicyclohexyl peroxydicarbonate.
The emulsifier is sorbitan fatty acid ester or glycerol polyoxyethylene ether polyoxypropylene ether fatty acid ester; the acrylate monomer is prepared from ethyl acrylate, ethyl methacrylate, acrylonitrile, hydroxypropyl methacrylate and glycidyl methacrylate in a weight ratio of 8: 6: 1: 1.2: 0.8 of the composition.
The silane coupling agent is gamma-aminopropyl methyl diethoxy silane, diethylamino methyl triethoxy silane or bis (gamma-triethoxysilylpropyl) -tetrasulfide.
The wax emulsion is an aqueous polyethylene wax emulsion with a solid content of 45%.
The dispersing agent is microcrystalline paraffin or oxidized polyethylene wax; the leveling agent is an acrylate leveling agent.
The defoaming agent is polyoxypropylene glycerol ether or polyoxypropylene polyoxyethylene glycerol ether; the film-forming assistant is hexanediol butyl ether acetate or 3-ethoxy ethyl propionate.
The preparation method of the environment-friendly high-wear-resistance water-based gloss oil comprises the steps of weighing the raw materials according to the weight ratio, uniformly stirring, and filtering to obtain the environment-friendly high-wear-resistance water-based gloss oil.
Tests prove that the environment-friendly high-wear-resistance water-based gloss oil has the wear resistance times of more than 4 pounds and 600 times, the hardness of 4H and the adhesive force of 0 grade.
The environment-friendly high-wear-resistance water-based gloss oil disclosed by the invention has the advantages of higher wear resistance, high gloss, good flexibility, high drying speed and good blocking resistance, and also has the advantages of good film forming property, good compatibility, excellent substrate adhesion, high glossiness, good cohesive force, very strong dirt resistance, good water resistance, acid and alkali resistance, ageing resistance, no toxicity or peculiar smell, low carbon, environment friendliness and low cost.
The above-described embodiments are preferred implementations of the present invention, and the present invention may be implemented in other ways without departing from the spirit of the present invention.
Claims (9)
1. The environment-friendly high-wear-resistance water-based gloss oil is characterized in that: the composition is characterized by comprising the following raw materials in parts by weight:
the preparation method of the modified polyurethane emulsion comprises the following steps: adding an initiator and maleic anhydride into the aqueous polyurethane emulsion, dispersing for 0.5-1.5h at the temperature of 80-90 ℃ by using a homogenizer, and filtering to obtain a modified polyurethane emulsion; wherein the addition amount of the initiator is 60-80% of the mass of the aqueous polyurethane emulsion, and the addition amount of the maleic anhydride is 30-50% of the mass of the aqueous polyurethane emulsion.
2. The environment-friendly high-wear-resistance water-based gloss oil as claimed in claim 1, wherein: the preparation method of the modified styrene-acrylic emulsion comprises the following steps: dissolving an emulsifier in deionized water to obtain a pre-reaction solution; adding a part of the pre-reaction liquid into an acrylate monomer, and stirring at a high speed for 20-40min to obtain a reaction liquid A; mixing the rest of the pre-reaction liquid with an initiator and a silane coupling agent, and stirring for 10-20min at the temperature of 65-75 ℃ to obtain reaction liquid B; slowly dripping the reaction liquid B into the reaction liquid A at the temperature of 75-85 ℃, preserving the heat, reacting for 2-4h, cooling, adjusting the pH value to 7-8, and filtering to obtain a modified styrene-acrylic emulsion; wherein the mass ratio of the acrylate monomer, the emulsifier, the initiator, the silane coupling agent and the deionized water is 80-120: 2-4: 3-5: 1-2: 60-100.
3. The environment-friendly high-wear-resistance water-based gloss oil according to claim 1 or 2, characterized in that: the initiator is at least one of potassium persulfate, sodium persulfate, ammonium persulfate, azobisisobutyronitrile, azobisisoheptonitrile, benzoyl peroxide, lauroyl peroxide, cumene hydroperoxide, tert-butyl hydroperoxide, di-tert-butyl peroxide, dicumyl peroxide, tert-butyl peroxybenzoate, tert-butyl peroxypivalate, methyl ethyl ketone peroxide, cyclohexanone peroxide, diisopropyl peroxydicarbonate and dicyclohexyl peroxydicarbonate.
4. The environment-friendly high-wear-resistance water-based gloss oil as claimed in claim 2, wherein: the emulsifier is at least one of sodium dodecyl sulfate, sodium dodecyl benzene sulfonate, nonylphenol polyoxyethylene ether, octylphenol polyoxyethylene ether, phenethylphenol polyoxypropylene polyoxyethylene ether, benzyl phenol polyoxyethylene ether, phenethylphenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether, fatty amine polyoxyethylene ether and sorbitan fatty acid ester; the acrylate monomer is prepared from ethyl acrylate, ethyl methacrylate, acrylonitrile, hydroxypropyl methacrylate and glycidyl methacrylate in a weight ratio of 4-8: 2-6: 1: 0.8-1.2: 0.4-0.8.
5. The environment-friendly high-wear-resistance water-based gloss oil as claimed in claim 2, wherein: the silane coupling agent is selected from phenyl trimethoxy silane, phenyl triethoxy silane, methyl triethoxy silane, vinyl trimethoxy silane, aniline methyl triethoxy silane, dichloromethyl triethoxy silane, vinyl tri (beta-methoxyethoxy) silane, gamma-aminopropyl trimethoxy silane, gamma-aminopropyl triethoxy silane, 3-glycidyloxypropyltrimethoxy silane, gamma-methacryloxypropyl trimethoxy silane, gamma-mercaptopropyl triethoxy silane, N-beta-aminoethyl-gamma aminopropyl methyl dimethoxy silane, N- (beta-aminoethyl) -gamma-aminopropyl triethoxy silane, gamma-aminopropyl methyl diethoxy silane, diethylamino methyl triethoxy silane and bis (gamma-triethoxysilylpropyl) -tetrasulfide One of them is less.
6. The environment-friendly high-wear-resistance water-based gloss oil as claimed in claim 1, wherein: the wax emulsion is an aqueous polyethylene wax emulsion with the solid content of 35-45%.
7. The environment-friendly high-wear-resistance water-based gloss oil as claimed in claim 1, wherein: the dispersing agent is at least one of calcium stearate, magnesium stearate, zinc stearate, barium stearate, butyl stearate, ethylene bis stearamide, glyceryl monostearate, glyceryl tristearate, microcrystalline paraffin and oxidized polyethylene wax; the leveling agent is at least one of polydimethylsiloxane, polymethylphenylsiloxane, polyether polyester modified organosiloxane, alkyl hydroxyl modified organosiloxane and acrylate leveling agent.
8. The environment-friendly high-wear-resistance water-based gloss oil as claimed in claim 1, wherein: the defoaming agent is at least one of emulsified silicone oil, a high-alcohol fatty acid ester compound, polyoxyethylene polyoxypropylene pentaerythritol ether, polyoxyethylene polyoxypropylene amine ether, polyoxypropylene glycerol ether and polyoxypropylene polyoxyethylene glycerol ether; the film-forming assistant is at least one of benzyl alcohol, ethylene glycol, propylene glycol, hexanediol, dodecyl alcohol ester, ethylene glycol butyl ether, propylene glycol methyl ether, propylene glycol ethyl ether, propylene glycol butyl ether, dipropylene glycol monomethyl ether, dipropylene glycol monopropyl ether, dipropylene glycol monobutyl ether, tripropylene glycol n-butyl ether, propylene glycol phenyl ether, hexanediol butyl ether acetate and 3-ethoxy ethyl propionate.
9. The method for preparing the environment-friendly high-wear-resistance water-based gloss oil as claimed in any one of claims 1 to 8, wherein the method comprises the following steps: weighing the raw materials according to the weight ratio, uniformly stirring, and filtering to obtain the environment-friendly high-wear-resistance water-based gloss oil.
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| CN110528320A (en) * | 2019-09-12 | 2019-12-03 | 中山市中益油墨涂料有限公司 | A kind of aqueous alkaline-resisting gloss oil and preparation method thereof on trade mark paper |
| CN111171640A (en) * | 2019-12-30 | 2020-05-19 | 东莞市美盈森环保科技有限公司 | Environment-friendly high-gloss high-wear-resistance water-based gloss oil and preparation method and application process thereof |
| CN113122071A (en) * | 2020-01-15 | 2021-07-16 | 丽水兴昌新材料科技股份有限公司 | Color-changing ink formula |
| CN112592650A (en) * | 2020-12-11 | 2021-04-02 | 美盈森集团股份有限公司 | Folding-resistant wear-resistant water-based anti-scraping matt oil and preparation method thereof |
| CN114592381B (en) * | 2022-02-11 | 2023-03-31 | 深圳市摩码克来沃化学科技有限公司 | Environment-friendly plastic-replacing glazing oil and application thereof in paper product packaging |
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| CN106700746A (en) * | 2015-11-17 | 2017-05-24 | 洋紫荆油墨（浙江）有限公司 | Water-based pre-printing varnish and preparation method thereof |
| CN105524537A (en) * | 2016-01-19 | 2016-04-27 | 惠州市立美特环保油墨有限公司 | Environment-friendly high wear-resistant water-based polishing oil and preparation method thereof |
| CN108795166A (en) * | 2018-07-02 | 2018-11-13 | 东莞市大科粘合材料有限公司 | A kind of high abrasion-resistant environmental protection water-based gloss oil and preparation method thereof |
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