Polyacrylate emulsion for plastic base material and preparation method of emulsion
A technology of polyacrylate emulsion and polyacrylate, applied in the direction of coating, can solve the problems of high viscosity of macromolecular silicone oil, unstable reaction, difficult emulsification, etc., to improve the dispersion performance and storage stability performance, and enhance the interface bonding performance. , Improve the effect of stable performance
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Embodiment 1
[0023] 1. Add 0.703 kg of water-soluble polymer silane coupling agent, 0.050 kg of butenyl dichloromethylsilane and 0.15 kg of sodium dodecylbenzenesulfonate to 10.0 kg of deionized water in sequence, stir well, and then add 0.80 One kilogram of methyl methacrylate and 0.20 kilogram of hexafluorobutyl methacrylate, after ultrasonic vibration for 30 minutes, the temperature was raised to 65 ° C, and under the protection of nitrogen, 0.15 kilogram of mass percent concentration of 20% was added dropwise to the reaction system while stirring The ammonium persulfate solution was used to initiate the polymerization reaction, and after the dropwise addition was completed, the insulation reaction was carried out for 90 minutes, and the pH value of the system was adjusted to 7.5 with a mass percent concentration of 10% sodium carbonate solution to obtain a water-based silicone modified polyacrylate composite emulsion;
[0024] 2. While stirring, add 0.90 kg of epoxy resin E-42 to the wa...
Embodiment 2
[0026] 1. Add 0.867 kg of water-soluble polymer silane coupling agent, 0.041 kg of 2-butenyl trichlorosilane and 0.09 kg of fatty alcohol ether sodium sulfate to 10 kg of deionized water in sequence, stir evenly, and then add 1.98 kg of methyl Ethyl acrylate and 1.02 kg of hexafluorobutyl acrylate were ultrasonically oscillated for 60 minutes, then the temperature was raised to 85°C, and under the protection of nitrogen, 0.30 kg of azobisisobutane with a concentration of 5% by mass was added dropwise to the reaction system while stirring. The butylamidine hydrochloride solution was used to initiate the polymerization reaction, and after the dropwise addition was completed, the reaction was incubated for 60 minutes, and the pH value of the system was adjusted to 8.5 with a 18% sodium acetate solution in mass percent concentration, to obtain a water-based silicone-modified polyacrylate compound Lotion;
[0027] 2. While stirring, add 0.81 kg of epoxy resin E-44 to the water-base...
Embodiment 3
[0029] 1. Add 0.78 kg of water-soluble polymer silane coupling agent, 0.046 kg of 2-butenyl trichlorosilane and 0.18 kg of sodium methyl stearate polyoxyethylene ether sulfonate to 10.0 kg of deionized water in sequence, and stir evenly , then add 1.42 kg of isopropyl methacrylate and 0.58 kg of octafluoropentyl methacrylate, after ultrasonic vibration for 45 minutes, heat up to 75 ° C, under the protection of nitrogen, dropwise add 0.28 kg of mass 100 to the reaction system while stirring Azobisisobutylamidine hydrochloride solution with a concentration of 12.5% was used to initiate the polymerization reaction. After the dropwise addition was completed, the reaction was incubated for 75 minutes, and the pH value of the system was adjusted to 8.0 with a mass percent concentration of 15% disodium hydrogen phosphate solution. That is, the water-based organosilicon-modified polyacrylate composite emulsion is obtained;
[0030]2. While stirring, add 1.03 kg of epoxy resin E-55 t...
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