CN111187547A - Preparation method of fast-curing water-based polyacrylate coating - Google Patents
Preparation method of fast-curing water-based polyacrylate coating Download PDFInfo
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- CN111187547A CN111187547A CN202010046397.3A CN202010046397A CN111187547A CN 111187547 A CN111187547 A CN 111187547A CN 202010046397 A CN202010046397 A CN 202010046397A CN 111187547 A CN111187547 A CN 111187547A
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Abstract
The invention relates to a fast curing water-based polyacrylate coating which comprises the following raw material components of a polyacrylate prepolymer, butadiene resin, propylene glycol butyl ether, α -sodium alkenyl sulfonate, modified carbon black, BYK-130, BYK-313, water and 184 photoinitiator, wherein the polyacrylate prepolymer is prepared by reacting isobutyl acrylate, methacrylic acid, methyl methacrylate, SE-10 emulsifier, 2-acrylamide-2-methylpropanesulfonic acid, OP-10 emulsifier and water, the butadiene resin is prepared by reacting butadiene, isooctyl acrylate, styrene, polyurethane resin, 184 photoinitiator and benzoyl peroxide, the polyurethane resin is prepared by reacting diphenylmethane diisocyanate, polytetrahydrofuran ether glycol 650, 1, 4-butanediol, poly HKP-4195, hydroxyethyl acrylate and dibutyltin dilaurate polyol, and the modified carbon black is prepared by reacting carbon black, butyl acrylate, n-octyl acrylate, hydroxyethyl acrylate and azobisisobutyronitrile.
Description
Technical Field
The invention relates to a fast-curing water-based polyacrylate coating and a preparation method thereof.
Background
Polyacrylate is one of the most commonly used organic synthetic polymer resins. The polyacrylate has the advantages of excellent organic reagent corrosion resistance, adhesion, aging resistance, flexibility, yellowing resistance, resilience, compatibility, mechanical strength and the like. The polyacrylate is widely applied to the fields of medical conductive adhesive, medical pressure-sensitive adhesive, organic glass, water-absorbent resin, oil-absorbent resin and the like.
The invention adopts polyacrylate prepolymer, butadiene resin, propylene glycol monobutyl ether, α -sodium alkenyl sulfonate, modified carbon black, BYK-130, BYK-313, water and 184 photoinitiator to prepare the fast curing water-based polyacrylate coating, and the fast curing water-based polyacrylate coating prepared by the method has excellent adhesive force and fast curing performance.
Disclosure of Invention
The invention aims to provide a preparation method of a fast curing water-based polyacrylate coating, and the material prepared by the method has excellent adhesive force and fast curing performance by changing reactant raw materials and a process mode.
In order to achieve the above object, the technical solution of the present invention is as follows.
A fast curing water-based polyacrylate coating and a preparation method thereof are disclosed, and specifically the fast curing water-based polyacrylate coating comprises the following steps of (1) adding carbon black, butyl acrylate, n-octyl acrylate, hydroxyethyl acrylate and azobisisobutyronitrile into a hydrothermal reaction kettle according to the mass ratio of 38: 15-22: 7-11: 1-3: 0.2-1, reacting for 25min under the condition of maintaining the temperature of the system at 66-75 ℃, irradiating the product for 2-5 s by a 1000W high-pressure mercury lamp, crushing to obtain modified carbon black, (2) adding diphenylmethane diisocyanate, polytetrahydrofuran ether glycol 650, 1, 4-butanediol, polyester polyol HKP-4195 and dibutyltin dilaurate into the reaction kettle according to the mass ratio of BY87: 55-66: 16-18: 35-44: 0.3-1, stirring for 72-87 r/min, stirring for 1.2-2 h, adding 2-4 parts of hydroxyethyl acrylate into the reaction kettle according to the mass ratio of 55: 16-18: 35-44: 0.3: 7-7), stirring for 2min, stirring for 1-2 min, adding 2-2 h of acrylic acid prepolymer into a styrene acrylate resin, stirring a 100-7W high-6-4W high-6-4-6-4-6-2-3-7-4-2-3-4-3-7-3-7-4-7-2-3-7-3-2-7-3-7-1-2-1-2-7-2-3-2-1-7-2-3-2-1-2-3-2-3-2-3-2-7-2-3-7-3-7.
The preparation method of the fast curing water-based polyacrylate coating comprises the following steps:
(1) and mixing carbon black, butyl acrylate, n-octyl acrylate, hydroxyethyl acrylate and azobisisobutyronitrile according to the mass part ratio of 38: 15-22: 7-11: 1-3: 0.2-1, adding the mixture into a hydrothermal reaction kettle, reacting for 25min under the condition of maintaining the system temperature at 66-75 ℃, illuminating the product for 2-5 s by a 1000W high-pressure mercury lamp, and crushing to obtain modified carbon black; the purpose of the hydroxyethyl acrylate is to improve the rigidity of the modified carbon black.
(2) The preparation method comprises the following steps of mixing diphenylmethane diisocyanate, polytetrahydrofuran ether glycol 650, 1, 4-butanediol, polyester polyol HKP-4195 and dibutyltin dilaurate in parts by mass of 87: 55-66: 16-18: 35-44: 0.3-1, adding the mixture into a reaction kettle, stirring at 72-87 r/min, reacting for 1.2-2 h under the condition of maintaining the system temperature at 80-88 ℃, adding 2-4 parts by weight of hydroxyethyl acrylate into the reaction kettle, and continuing to react for 26min at 90 ℃ to obtain polyurethane resin; the purpose of the hydroxyethyl acrylate is to improve the photochemical activity of the polyurethane resin.
(3) And butadiene, isooctyl acrylate, styrene, polyurethane resin and 184 photoinitiator are mixed according to the mass part ratio of 44: 15-22: 2-5: 12-17: 0.3-1, adding the mixture into a reaction kettle, stirring at 67-73 r/min, reacting for 17min under the condition of maintaining the system temperature at 30-36 ℃, irradiating the product for 7-13 s by using a 100W high-pressure mercury lamp, transferring the material and benzoyl peroxide with the mass portion ratio of 0.3-1 into a hydrothermal reaction kettle, reacting for 1-3 h under the condition of maintaining the system temperature at 85-96 ℃, and crushing to obtain butadiene resin; the purpose of the polyurethane resin is to improve the film-forming property of the water-based polyacrylate coating.
(4) Isobutyl acrylate, methacrylic acid, methyl methacrylate, SE-10 emulsifier, 2-acrylamide-2-methylpropanesulfonic acid, OP-10 emulsifier and water in a mass ratio of 20: 3-6: 1-4: 16-23: 6-14: 1-3: 2-7, adding the mixture into a reaction kettle, stirring at 62-70 r/min, reacting for 13min under the condition of maintaining the system temperature at 27-35 ℃, transferring the material into ultrasonic waves, carrying out ultrasonic reaction at 87-100 ℃ and the ultrasonic power of 100Hz for 12-22 min, transferring the product into a hydrothermal reaction kettle, reacting for 39min under the condition of maintaining the system temperature at 103-117 ℃, and crushing to obtain a polyacrylate prepolymer; the purpose of the SE-10 emulsifier and the 2-acrylamide-2-methylpropanesulfonic acid is to improve the stability of an oil-water two phase.
(5) Adding a polyacrylate prepolymer, butadiene resin, propylene glycol monobutyl ether, α -sodium alkenyl sulfonate, modified carbon black, BYK-130, BYK-313, water and 184 photoinitiator into a reaction kettle according to the mass part ratio of 50: 7-18: 4-9: 14-27: 8-17: 0.1-1: 0.2-1: 13-19: 0.3-1, stirring at 68-77 r/min, reacting for 29min under the condition of maintaining the system temperature at 26-38 ℃, and screening the materials by a 100-mesh screen to obtain the fast-curing water-based polyacrylate coating.
The invention has the beneficial effects that:
1. the hydroxyethyl acrylate monomer has stronger rigidity, can improve the rigidity of a polymer, is easy to improve the crushing property of the modified carbon black, is convenient to control the particle size and the specific surface area of the carbon black and improves the adhesive force of the water-based polyacrylate coating;
2. in the process of synthesizing the polyurethane resin, hydroxyethyl acrylate is used as a stopping agent of the polyurethane synthesis reaction, and the hydroxyethyl acrylate is grafted to a polyurethane resin macromolecular chain segment, so that the photochemical activity of the polyurethane resin is improved;
3. the polyurethane resin has photochemical activity and can carry out polymerization reaction with other photochemical active monomers, the polyurethane resin has better underwater film-forming property, the film-forming property of the butadiene resin can be improved, and the prepared butadiene resin can shorten the film-forming property and the curing time of the water-based polyacrylate coating;
4. the SE-10 emulsifier and the 2-acrylamide-2-methylpropanesulfonic acid have emulsification effect and photochemical activity, can obviously improve the stability of oil and water phases, and simultaneously improve the cohesive strength and the adhesive force of the polyacrylate prepolymer, thereby improving the adhesive force of the water-based polyacrylate coating;
5. under the synergistic effect of polyacrylate prepolymer, butadiene resin, propylene glycol monobutyl ether, α -sodium alkenyl sulfonate, modified carbon black, BYK-130, BYK-313, water and 184 photoinitiator, the fast curing water-based polyacrylate coating is endowed with excellent adhesive force and fast curing performance.
Detailed Description
The following description of specific embodiments of the present invention is provided in connection with examples to facilitate a better understanding of the invention.
Example 1
A preparation method of a fast-curing water-based polyacrylate coating comprises the following steps:
(1) weighing 38 parts of carbon black, 18 parts of butyl acrylate, 8 parts of n-octyl acrylate, 1.3 parts of hydroxyethyl acrylate and 0.6 part of azobisisobutyronitrile, adding into a hydrothermal reaction kettle, reacting for 25min under the condition of keeping the system temperature of 69 ℃, irradiating the product for 3s by a 1000W high-pressure mercury lamp, and crushing to obtain modified carbon black;
(2) weighing 87 parts of diphenylmethane diisocyanate, 59 parts of polytetrahydrofuran ether glycol 650, 17.1 parts of 1, 4-butanediol, 39 parts of polyester polyol HKP-4195 and 0.4 part of dibutyltin dilaurate, adding into a reaction kettle, stirring at 77r/min, reacting for 1.6h at 85 ℃, adding 3.1 parts of hydroxyethyl acrylate into the reaction kettle, and continuously reacting for 26min at 90 ℃ to obtain polyurethane resin;
(3) weighing 44 parts of butadiene, 18 parts of isooctyl acrylate, 2.8 parts of styrene, 14 parts of polyurethane resin and 0.4 part of 184 photoinitiator, adding into a reaction kettle, stirring at 70r/min, reacting for 17min at the temperature of 35 ℃ of the system, irradiating the product for 9s by using a 100W high-pressure mercury lamp, transferring the material and 0.4 part of benzoyl peroxide into the hydrothermal reaction kettle, reacting for 1.5h at the temperature of 89 ℃ of the system, and crushing to obtain the butadiene resin;
(4) weighing 20 parts of isobutyl acrylate, 3.5 parts of methacrylic acid, 1.7 parts of methyl methacrylate, 21 parts of SE-10 emulsifier, 6.5 parts of 2-acrylamide-2-methylpropanesulfonic acid, 1.3 parts of OP-10 emulsifier and 3.6 parts of water, adding the mixture into a reaction kettle, stirring at 65r/min, reacting for 13min at the temperature of 31 ℃ of the system, transferring the material into ultrasonic waves, carrying out ultrasonic reaction at 90 ℃ and 100Hz for 18min at ultrasonic power, transferring the product into a hydrothermal reaction kettle, reacting for 39min at the temperature of 107 ℃ of the system, and crushing to obtain a polyacrylate prepolymer;
(5) 50 parts of polyacrylate prepolymer, 10 parts of butadiene resin, 5.5 parts of propylene glycol butyl ether, 17 parts of α -sodium alkenyl sulfonate, 8.3 parts of modified carbon black, 0.2 part of BYK-130, 0.3 part of BYK-313, 14 parts of water and 0.5 part of 184 photoinitiator are weighed and added into a reaction kettle, the stirring speed is 70r/min, the reaction is carried out for 29min under the condition that the system temperature is kept at 28 ℃, and the materials are screened by a 100-mesh screen to obtain the fast-curing water-based polyacrylate coating.
Example 2
A preparation method of a fast-curing water-based polyacrylate coating comprises the following steps:
(1) weighing 38 parts of carbon black, 15 parts of butyl acrylate, 7 parts of n-octyl acrylate, 1 part of hydroxyethyl acrylate and 0.2 part of azobisisobutyronitrile, adding into a hydrothermal reaction kettle, reacting for 25min under the condition of maintaining the system temperature at 66 ℃, irradiating the product for 2s by a 1000W high-pressure mercury lamp, and crushing to obtain modified carbon black;
(2) weighing 87 parts of diphenylmethane diisocyanate, 55 parts of polytetrahydrofuran ether glycol 650, 16 parts of 1, 4-butanediol, 35 parts of polyester polyol HKP-4195 and 0.3 part of dibutyltin dilaurate, adding into a reaction kettle, stirring at a speed of 72r/min, reacting for 2 hours at a system temperature of 80 ℃, adding 2 parts of hydroxyethyl acrylate into the reaction kettle, and continuing to react for 26 minutes at a temperature of 90 ℃ to obtain polyurethane resin;
(3) weighing 44 parts of butadiene, 15 parts of isooctyl acrylate, 2 parts of styrene, 12 parts of polyurethane resin and 0.3 part of 184 photoinitiator, adding the mixture into a reaction kettle, stirring at 67r/min, reacting for 17min under the condition of maintaining the system temperature at 30 ℃, irradiating the product for 7s by using a 100W high-pressure mercury lamp, transferring the material and 0.3 part of benzoyl peroxide into a hydrothermal reaction kettle, reacting for 3h under the condition of maintaining the system temperature at 85 ℃, and crushing to obtain the butadiene resin;
(4) weighing 20 parts of isobutyl acrylate, 3 parts of methacrylic acid, 1 part of methyl methacrylate, 16 parts of SE-10 emulsifier, 6 parts of 2-acrylamide-2-methylpropanesulfonic acid, 1 part of OP-10 emulsifier and 2 parts of water, adding the mixture into a reaction kettle, stirring at 62r/min, reacting for 13min at the temperature of 27 ℃ of the system, transferring the material into ultrasonic waves, carrying out ultrasonic reaction at 87 ℃ and 100Hz for 22min, transferring the product into a hydrothermal reaction kettle, reacting for 39min at the temperature of 103 ℃ of the system, and crushing to obtain a polyacrylate prepolymer;
(5) 50 parts of polyacrylate prepolymer, 7 parts of butadiene resin, 4 parts of propylene glycol butyl ether, 14 parts of α -alkenyl sodium sulfonate, 8 parts of modified carbon black, 0.1 part of BYK-130, 0.2 part of BYK-313, 13 parts of water and 0.3 part of 184 photoinitiator are weighed and added into a reaction kettle, the stirring speed is 68r/min, the reaction is carried out for 29min under the condition that the system temperature is kept at 26 ℃, and the material is screened by a 100-mesh screen to obtain the fast-curing water-based polyacrylate coating.
Example 3
A preparation method of a fast-curing water-based polyacrylate coating comprises the following steps:
(1) weighing 38 parts of carbon black, 22 parts of butyl acrylate, 11 parts of n-octyl acrylate, 3 parts of hydroxyethyl acrylate and 1 part of azobisisobutyronitrile, adding into a hydrothermal reaction kettle, reacting for 25min under the condition of maintaining the system temperature at 75 ℃, irradiating the product for 5s by a 1000W high-pressure mercury lamp, and crushing to obtain modified carbon black;
(2) weighing 87 parts of diphenylmethane diisocyanate, 66 parts of polytetrahydrofuran ether glycol 650, 18 parts of 1, 4-butanediol, 44 parts of polyester polyol HKP-4195 and 1 part of dibutyltin dilaurate, adding into a reaction kettle, stirring at 87r/min, reacting for 1.2h at the temperature of 88 ℃, adding 4 parts of hydroxyethyl acrylate into the reaction kettle, and continuing to react for 26min at 90 ℃ to obtain polyurethane resin;
(3) weighing 44 parts of butadiene, 22 parts of isooctyl acrylate, 5 parts of styrene, 17 parts of polyurethane resin and 1 part of 184 photoinitiator, adding the materials into a reaction kettle, stirring at 73r/min, reacting for 17min under the condition of maintaining the system temperature at 36 ℃, irradiating the product for 13s by using a 100W high-pressure mercury lamp, transferring the materials and 1 part of benzoyl peroxide into a hydrothermal reaction kettle, reacting for 1h under the condition of maintaining the system temperature at 96 ℃, and crushing to obtain the butadiene resin;
(4) weighing 20 parts of isobutyl acrylate, 6 parts of methacrylic acid, 4 parts of methyl methacrylate, 23 parts of SE-10 emulsifier, 14 parts of 2-acrylamide-2-methylpropanesulfonic acid, 3 parts of OP-10 emulsifier and 7 parts of water, adding the mixture into a reaction kettle, stirring at 70r/min, reacting for 13min at the temperature of 35 ℃ of the system, transferring the material into ultrasonic waves, carrying out ultrasonic reaction at 100 ℃ and 100Hz for 12min, transferring the product into a hydrothermal reaction kettle, reacting for 39min at the temperature of 117 ℃ of the system, and crushing to obtain a polyacrylate prepolymer;
(5) 50 parts of polyacrylate prepolymer, 18 parts of butadiene resin, 9 parts of propylene glycol butyl ether, 27 parts of α -alkenyl sodium sulfonate, 17 parts of modified carbon black, 1 part of BYK-130, 1 part of BYK-313, 19 parts of water and 1 part of 184 photoinitiator are weighed and added into a reaction kettle, the stirring speed is 77r/min, the reaction is carried out for 29min under the condition that the system temperature is kept at 38 ℃, and the material is screened by a 100-mesh screen to obtain the fast curing water-based polyacrylate coating.
Example 4
A preparation method of a fast-curing water-based polyacrylate coating comprises the following steps:
(1) weighing 38 parts of carbon black, 20 parts of butyl acrylate, 9 parts of n-octyl acrylate, 2.7 parts of hydroxyethyl acrylate and 0.7 part of azobisisobutyronitrile, adding into a hydrothermal reaction kettle, reacting for 25min under the condition of maintaining the system temperature at 68 ℃, irradiating the product for 3s by a 1000W high-pressure mercury lamp, and crushing to obtain modified carbon black;
(2) weighing 87 parts of diphenylmethane diisocyanate, 59 parts of polytetrahydrofuran ether glycol 650, 16 parts of 1, 4-butanediol, 37 parts of polyester polyol HKP-4195 and 0.9 part of dibutyltin dilaurate, adding into a reaction kettle, stirring at 78r/min, reacting for 1.3h under the condition of maintaining the system temperature of 87 ℃, adding 4 parts of hydroxyethyl acrylate into the reaction kettle, and continuing to react for 26min at 90 ℃ to obtain polyurethane resin;
(3) weighing 44 parts of butadiene, 16 parts of isooctyl acrylate, 4 parts of styrene, 13 parts of polyurethane resin and 0.5 part of 184 photoinitiator, adding the materials into a reaction kettle, stirring at 69r/min, reacting for 17min under the condition of maintaining the system temperature at 33 ℃, irradiating the product for 9s by a 100W high-pressure mercury lamp, transferring the materials and 0.4 part of benzoyl peroxide into a hydrothermal reaction kettle, reacting for 1.4h under the condition of maintaining the system temperature at 88 ℃, and crushing to obtain the butadiene resin;
(4) weighing 20 parts of isobutyl acrylate, 4.5 parts of methacrylic acid, 1.8 parts of methyl methacrylate, 19 parts of SE-10 emulsifier, 11 parts of 2-acrylamide-2-methylpropanesulfonic acid, 1.5 parts of OP-10 emulsifier and 2.8 parts of water, adding the mixture into a reaction kettle, stirring at 67r/min, reacting for 13min under the condition of maintaining the system temperature at 33 ℃, transferring the material into ultrasonic waves, carrying out ultrasonic reaction at 96 ℃ and 100Hz for 16min, transferring the product into a hydrothermal reaction kettle, reacting for 39min under the condition of maintaining the system temperature at 115 ℃, and crushing to obtain a polyacrylate prepolymer;
(5) 50 parts of polyacrylate prepolymer, 13 parts of butadiene resin, 5 parts of propylene glycol monobutyl ether, 19 parts of α -alkenyl sodium sulfonate, 14 parts of modified carbon black, 0.3 part of BYK-130, 0.8 part of BYK-313, 16 parts of water and 0.7 part of 184 photoinitiator are weighed and added into a reaction kettle, the stirring speed is 71r/min, the reaction is carried out for 29min under the condition that the system temperature is kept at 36 ℃, and the material is screened by a 100-mesh screen to obtain the fast-curing water-based polyacrylate coating.
Example 5
A preparation method of a fast-curing water-based polyacrylate coating comprises the following steps:
(1) weighing 38 parts of carbon black, 20 parts of butyl acrylate, 10 parts of n-octyl acrylate, 2.8 parts of hydroxyethyl acrylate and 0.5 part of azobisisobutyronitrile, adding into a hydrothermal reaction kettle, reacting for 25min under the condition of maintaining the system temperature at 70 ℃, irradiating the product for 4s by a 1000W high-pressure mercury lamp, and crushing to obtain modified carbon black;
(2) weighing 87 parts of diphenylmethane diisocyanate, 61 parts of polytetrahydrofuran ether glycol 650, 17.4 parts of 1, 4-butanediol, 43 parts of polyester polyol HKP-4195 and 0.5 part of dibutyltin dilaurate, adding into a reaction kettle, stirring at 76r/min, reacting for 1.7h at the temperature of 84 ℃, adding 3.2 parts of hydroxyethyl acrylate into the reaction kettle, and continuously reacting for 26min at 90 ℃ to obtain polyurethane resin;
(3) weighing 44 parts of butadiene, 19 parts of isooctyl acrylate, 3.3 parts of styrene, 15.6 parts of polyurethane resin and 0.7 part of 184 photoinitiator, adding into a reaction kettle, stirring at 70r/min, reacting for 17min at the temperature of 34 ℃ of the system, irradiating the product by a 100W high-pressure mercury lamp for 11s, transferring the material and 0.5 part of benzoyl peroxide into a hydrothermal reaction kettle, reacting for 1.7h at the temperature of 91 ℃ of the system, and crushing to obtain the butadiene resin;
(4) weighing 20 parts of isobutyl acrylate, 4 parts of methacrylic acid, 1.6 parts of methyl methacrylate, 18 parts of SE-10 emulsifier, 11 parts of 2-acrylamide-2-methylpropanesulfonic acid, 2.1 parts of OP-10 emulsifier and 5.4 parts of water, adding the mixture into a reaction kettle, stirring at a speed of 68r/min, reacting for 13min under the condition of maintaining the system temperature of 31 ℃, transferring the material into ultrasonic waves, carrying out ultrasonic reaction at a temperature of 92 ℃ and ultrasonic power of 100Hz for 20min, transferring the product into a hydrothermal reaction kettle, reacting for 39min under the condition of maintaining the system temperature of 111 ℃, and crushing to obtain a polyacrylate prepolymer;
(5) 50 parts of polyacrylate prepolymer, 12 parts of butadiene resin, 7 parts of propylene glycol monobutyl ether, 23 parts of α -alkenyl sodium sulfonate, 15 parts of modified carbon black, 0.6 part of BYK-130, 0.4 part of BYK-313, 13 parts of water and 0.7 part of 184 photoinitiator are weighed and added into a reaction kettle, the stirring speed is 69r/min, the reaction is carried out for 29min under the condition that the system temperature is kept at 28 ℃, and the material is screened by a 100-mesh screen to obtain the fast-curing water-based polyacrylate coating.
Example 6
A preparation method of a fast-curing water-based polyacrylate coating comprises the following steps:
(1) weighing 38 parts of carbon black, 21.7 parts of butyl acrylate, 9.5 parts of n-octyl acrylate, 1.7 parts of hydroxyethyl acrylate and 0.4 part of azobisisobutyronitrile, adding into a hydrothermal reaction kettle, reacting for 25min under the condition of keeping the system temperature of 69 ℃, irradiating the product for 3s by a 1000W high-pressure mercury lamp, and crushing to obtain modified carbon black;
(2) weighing 87 parts of diphenylmethane diisocyanate, 61 parts of polytetrahydrofuran ether glycol 650, 16.8 parts of 1, 4-butanediol, 40 parts of polyester polyol HKP-4195 and 0.5 part of dibutyltin dilaurate, adding into a reaction kettle, stirring at 82r/min, reacting for 1.8h at 86 ℃ of the system temperature, adding 2.7 parts of hydroxyethyl acrylate into the reaction kettle, and continuing to react for 26min at 90 ℃ to obtain polyurethane resin;
(3) weighing 44 parts of butadiene, 21 parts of isooctyl acrylate, 4 parts of styrene, 15 parts of polyurethane resin and 0.7 part of 184 photoinitiator, adding the materials into a reaction kettle, stirring at a speed of 72r/min, reacting for 17min under the condition of maintaining the system temperature at 31 ℃, irradiating the product for 9s by a 100W high-pressure mercury lamp, transferring the materials and 0.5 part of benzoyl peroxide into a hydrothermal reaction kettle, reacting for 2.6h under the condition of maintaining the system temperature at 86 ℃, and crushing to obtain the butadiene resin;
(4) weighing 20 parts of isobutyl acrylate, 3.9 parts of methacrylic acid, 1.9 parts of methyl methacrylate, 19.5 parts of SE-10 emulsifier, 7.7 parts of 2-acrylamide-2-methylpropanesulfonic acid, 2.3 parts of OP-10 emulsifier and 4 parts of water, adding the mixture into a reaction kettle, stirring at 66r/min, reacting for 13min at the temperature of 32 ℃, transferring the material into ultrasonic waves, performing ultrasonic reaction at 94 ℃ and 100Hz for 18min, transferring the product into a hydrothermal reaction kettle, reacting for 39min at the temperature of 109 ℃, and crushing to obtain a polyacrylate prepolymer;
(5) 50 parts of polyacrylate prepolymer, 16 parts of butadiene resin, 6 parts of propylene glycol monobutyl ether, 19 parts of α -alkenyl sodium sulfonate, 8 parts of modified carbon black, 0.4 part of BYK-130, 0.3 part of BYK-313, 14 parts of water and 0.6 part of 184 photoinitiator are weighed and added into a reaction kettle, the stirring speed is 70r/min, the reaction is carried out for 29min under the condition of keeping the system temperature at 29 ℃, and the material is screened by a 100-mesh screen to obtain the fast curing water-based polyacrylate coating.
Example 7
A preparation method of a fast-curing water-based polyacrylate coating comprises the following steps:
(1) weighing 38 parts of carbon black, 16 parts of butyl acrylate, 10 parts of n-octyl acrylate, 1.7 parts of hydroxyethyl acrylate and 0.5 part of azobisisobutyronitrile, adding into a hydrothermal reaction kettle, reacting for 25min under the condition of maintaining the system temperature at 73 ℃, irradiating the product for 3s by a 1000W high-pressure mercury lamp, and crushing to obtain modified carbon black;
(2) weighing 87 parts of diphenylmethane diisocyanate, 61 parts of polytetrahydrofuran ether glycol 650, 17.6 parts of 1, 4-butanediol, 40 parts of polyester polyol HKP-4195 and 0.5 part of dibutyltin dilaurate, adding into a reaction kettle, stirring at a speed of 85r/min, reacting for 1.8h at a system temperature of 82 ℃, adding 3.3 parts of hydroxyethyl acrylate into the reaction kettle, and continuing to react for 26min at 90 ℃ to obtain polyurethane resin;
(3) weighing 44 parts of butadiene, 19 parts of isooctyl acrylate, 4 parts of styrene, 13 parts of polyurethane resin and 0.6 part of 184 photoinitiator, adding the materials into a reaction kettle, stirring at the speed of 70r/min, reacting for 17min under the condition of maintaining the system temperature at 32 ℃, irradiating the product for 9s by a 100W high-pressure mercury lamp, transferring the materials and 0.8 part of benzoyl peroxide into a hydrothermal reaction kettle, reacting for 2h under the condition of maintaining the system temperature at 95 ℃, and crushing to obtain the butadiene resin;
(4) weighing 20 parts of isobutyl acrylate, 4 parts of methacrylic acid, 2.7 parts of methyl methacrylate, 22 parts of SE-10 emulsifier, 9 parts of 2-acrylamide-2-methylpropanesulfonic acid, 1.7 parts of OP-10 emulsifier and 3.2 parts of water, adding the mixture into a reaction kettle, stirring at 67r/min, reacting for 13min under the condition of maintaining the system temperature of 31 ℃, transferring the material into ultrasonic waves, performing ultrasonic reaction at 93 ℃ and 100Hz for 21min, transferring the product into a hydrothermal reaction kettle, reacting for 39min under the condition of maintaining the system temperature of 113 ℃, and crushing to obtain a polyacrylate prepolymer;
(5) 50 parts of polyacrylate prepolymer, 15 parts of butadiene resin, 7.7 parts of propylene glycol butyl ether, 22 parts of α -sodium alkenyl sulfonate, 14 parts of modified carbon black, 0.4 part of BYK-130, 0.3 part of BYK-313, 16 parts of water and 0.7 part of 184 photoinitiator are weighed and added into a reaction kettle, the stirring speed is 75r/min, the reaction is carried out for 29min under the condition that the system temperature is maintained at 36 ℃, and the material is screened by a 100-mesh screen to obtain the fast-curing water-based polyacrylate coating.
Example 8
A preparation method of a fast-curing water-based polyacrylate coating comprises the following steps:
(1) weighing 38 parts of carbon black, 17 parts of butyl acrylate, 10 parts of n-octyl acrylate, 2.1 parts of hydroxyethyl acrylate and 0.6 part of azobisisobutyronitrile, adding into a hydrothermal reaction kettle, reacting for 25min under the condition of maintaining the system temperature at 71 ℃, irradiating the product for 3s by a 1000W high-pressure mercury lamp, and crushing to obtain modified carbon black;
(2) weighing 87 parts of diphenylmethane diisocyanate, 61 parts of polytetrahydrofuran ether glycol 650, 17.6 parts of 1, 4-butanediol, 38 parts of polyester polyol HKP-4195 and 0.6 part of dibutyltin dilaurate, adding into a reaction kettle, stirring at 82r/min, reacting for 1.7h at the temperature of 81 ℃, adding 3.3 parts of hydroxyethyl acrylate into the reaction kettle, and continuously reacting for 26min at 90 ℃ to obtain polyurethane resin;
(3) weighing 44 parts of butadiene, 18 parts of isooctyl acrylate, 3.3 parts of styrene, 15 parts of polyurethane resin and 0.6 part of 184 photoinitiator, adding the mixture into a reaction kettle, stirring at 69r/min, reacting for 17min at the temperature of 34 ℃ of the system, irradiating the product for 11s by using a 100W high-pressure mercury lamp, transferring the material and 0.6 part of benzoyl peroxide into a hydrothermal reaction kettle, reacting for 2.3h at the temperature of 91 ℃ of the system, and crushing to obtain the butadiene resin;
(4) weighing 20 parts of isobutyl acrylate, 4 parts of methacrylic acid, 1.9 parts of methyl methacrylate, 21 parts of SE-10 emulsifier, 6 parts of 2-acrylamide-2-methylpropanesulfonic acid, 2 parts of OP-10 emulsifier and 4 parts of water, adding the mixture into a reaction kettle, stirring at a speed of 68r/min, reacting for 13min at a system temperature of 29 ℃, transferring the material into ultrasonic waves, carrying out ultrasonic reaction at a temperature of 93 ℃ and an ultrasonic power of 100Hz for 14min, transferring the product into a hydrothermal reaction kettle, reacting for 39min at a system temperature of 108 ℃, and crushing to obtain a polyacrylate prepolymer;
(5) 50 parts of polyacrylate prepolymer, 13 parts of butadiene resin, 6 parts of propylene glycol monobutyl ether, 18 parts of α -alkenyl sodium sulfonate, 15 parts of modified carbon black, 0.4 part of BYK-130, 0.3 part of BYK-313, 17 parts of water and 0.5 part of 184 photoinitiator are weighed and added into a reaction kettle, the stirring speed is 70r/min, the reaction is carried out for 29min under the condition that the system temperature is kept at 32 ℃, and the material is screened by a 100-mesh screen to obtain the fast curing water-based polyacrylate coating.
Comparative example 1
In this comparative example, the other components were prepared in the same manner as in example 1 without adding modified carbon black.
Comparative example 2
In this comparative example, the polyurethane resin was not added, and the other components and the preparation method were the same as in example 1.
Comparative example 3
In this comparative example, no butadiene resin was added, and the other components and preparation method were the same as in example 1.
Comparative example 4
In the comparative example, no polyacrylate prepolymer was added, and the other components and preparation methods were the same as in example 1.
Comparative example 5
In this comparative example, α -sodium alkenylsulfonate was not added, and the other components and preparation method were the same as in example 1.
Comparative example 6
In the comparative example, the common carbon black is selected to replace the modified carbon black in the example 1 in the formula, and other components and the preparation method are the same as the example 1.
Comparative example 7
In the comparative example, a common polyurethane resin was selected in the formulation instead of the polyurethane resin in example 1, and the other components and the preparation method were the same as in example 1.
Comparative example 8
In the comparative example, ordinary butadiene was used in the formulation in place of the butadiene resin in example 1, and the other components and preparation method were the same as in example 1.
Comparative example 9
In the comparative example, the general polyacrylate is selected in the formula to replace the polyacrylate prepolymer in the example 1, and other components and the preparation method are the same as those in the example 1.
TABLE 1 Performance parameters of the fast curing waterborne polyacrylate coatings prepared in example 1 and comparative examples 1 to 9
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (2)
1. The preparation method of the fast-curing water-based polyacrylate coating is characterized by comprising the following raw materials of a polyacrylate prepolymer, butadiene resin, propylene glycol butyl ether, α -sodium alkenyl sulfonate, modified carbon black, BYK-130, BYK-313, water and 184 photoinitiator, wherein the polyacrylate prepolymer, the butadiene resin, the propylene glycol butyl ether, α -sodium alkenyl sulfonate, the modified carbon black, BYK-130, BYK-313, water and the 184 photoinitiator are added into a reaction kettle at a mass ratio of 50: 7-18: 4-9: 14-27: 8-17: 0.1-1: 0.2-1: 13-19: 0.3-1, the stirring speed is 68-77 r/min, the reaction is carried out at 26-38 ℃ for 29min, the materials are screened by a 100 mesh screen, the polyacrylate prepolymer is prepared by adding isobutyl acrylate, methacrylic acid, methyl methacrylate, SE-10 emulsifier, 2-acrylamide-2-methylpropanesulfonic acid, OP-10 and water, the ethyl acrylate, the ethylene glycol, the propylene glycol, the ethylene glycol, the propylene glycol, the ethylene glycol, the propylene glycol, the ethylene glycol, the propylene.
2. The method for preparing the fast-curing water-based polyacrylate coating according to claim 1, wherein the method comprises the following steps: the polyurethane resin is prepared by the following preparation method: diphenylmethane diisocyanate, polytetrahydrofuran ether glycol 650, 1, 4-butanediol, polyester polyol HKP-4195 and dibutyltin dilaurate are mixed according to the mass portion ratio of 87: 59-61: 16.8-17.6: 38-40: 0.4-0.6, adding the mixture into a reaction kettle, stirring at 76-85 r/min, reacting for 1.6-1.8 h under the condition of maintaining the temperature of the system at 81-86 ℃, adding hydroxyethyl acrylate with the mass portion ratio of 2.7-3.3 into the reaction kettle, and continuing to react for 26min at 90 ℃.
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| US4119602A (en) * | 1977-04-07 | 1978-10-10 | W. R. Grace & Co. | Aqueous urethane codispersions |
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| KR20110133367A (en) * | 2010-06-04 | 2011-12-12 | 주식회사 디에프씨 | Scratch for a metal self-cure paint composite |
| CN101942255B (en) * | 2010-08-09 | 2012-07-04 | 上海瑞鹏化工材料科技有限公司 | Preparation and application process of polyurethane-modified acrylate thick film type elastic coating material capable of being rapidly solidified at ordinary temperature |
| CN103788797A (en) * | 2014-02-13 | 2014-05-14 | 芜湖市宝艺游乐科技设备有限公司 | Antibacterial ultraviolet (UV)-curable coating material and preparation method thereof |
| CN103833952A (en) * | 2014-02-20 | 2014-06-04 | 山西省应用化学研究所 | Preparation method of carboxyl modification polyurethane acrylic acid ester |
| CN107384191B (en) * | 2017-08-18 | 2020-01-07 | 中国工程物理研究院材料研究所 | Method for preparing flexible super-hydrophobic coating and super-hydrophobic coating prepared by method |
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- 2018-04-12 CN CN202010046398.8A patent/CN111138931A/en not_active Withdrawn
- 2018-04-12 CN CN201810325758.0A patent/CN108485447B/en active Active
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| US4119602A (en) * | 1977-04-07 | 1978-10-10 | W. R. Grace & Co. | Aqueous urethane codispersions |
| CN101659809A (en) * | 2009-01-14 | 2010-03-03 | 佛山市顺德区德美油墨化工有限公司 | Water-based UV black ink with super-high solid content and preparation method thereof |
| CN102850915A (en) * | 2011-07-01 | 2013-01-02 | 湖南晟通科技集团有限公司 | Water light cured top coating and preparation method thereof |
| CN103232740A (en) * | 2013-03-25 | 2013-08-07 | 佛山佛塑科技集团股份有限公司 | Light curing coating composition for preparing high toughness optical grade hardening film, and corresponding hardening film |
| CN107118617A (en) * | 2017-06-12 | 2017-09-01 | 赵树海 | A kind of high-performance jet ink composition and preparation method thereof and Method of printing |
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