Curable composition, cured layer using same, and display device including cured layer
A composition, compound technology, applied in photosensitive materials for optomechanical devices, nanotechnology for materials and surface science, applications, etc., can solve problems such as pattern separation
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preparation example 1
[0312] 100 g of triethylene glycol and 14.4 g of acrylic acid were added to 500 ml of cyclohexane, and then stirred. Add 0.15 g of CuCl to it 2 and 15 grams of p-toluenesulfonic acid, and after fastening the dean-stark-condenser (dean-stark-condenser) and raising the temperature to a maximum of 100° C., stirring the obtained mixture for 8 hours, thereby completing the reaction . Subsequently, 200 ml of ethyl acetate and NaOH dilution were added thereto for extraction, and dichloromethane was added thereto again, followed by extraction, neutralization, and solvent removal in this order. After redissolving in 100 ml of ethyl acetate, removing the solvent therefrom, and drying in a vacuum oven for 24 hours, a polymerizable compound represented by Chemical Formula E-1 was prepared.
[0313] [Chemical Formula E-1]
[0314]
preparation example 2
[0325] After placing the magnetic bar in the 3-neck round bottom flask, the green quantum dot dispersion solution (InP / ZnSe / ZnS, Hansol Chemical) or the red quantum dot dispersion solution (InP / ZnSe / ZnS, Hansol Pine Chemical) placed in it. Subsequently, the compound (ligand) represented by the chemical formula Q was added thereto, and then stirred at 80° C. under a nitrogen atmosphere. When the reaction was completed, after the temperature was lowered to room temperature (23° C.), the quantum dot reactant was added to cyclohexane, thereby trapping the precipitate. The precipitate was separated from cyclohexane by centrifugation, and then thoroughly dried in a vacuum oven for 24 hours, thereby obtaining quantum dots as surface-modified solids.
[0326] Surface-modified solid green quantum dots or red quantum dots and the compound represented by Chemical Formula 3-1 (triethylene glycol dimethacrylate, Miwon Commercial Co., Ltd) in the same weight ratio , and then stirred for 1...
example 1 to example 3 and comparative example 1 to comparative example 4
[0335] Each curable composition according to Examples 1 to 3 and Comparative Examples 1 to 4 was prepared by using the compositions shown in Table 1.
[0336] Specifically, the quantum dot dispersion liquid was mixed and diluted by the polymerizable compound represented by Chemical Formula E-1 and the polymerizable compound represented by Chemical Formula 3-1, and a polymerization inhibitor was added thereto, and then stirred for 5 minutes. Subsequently, a photoinitiator (TPO-L, PolyNetron Co., Ltd.) was injected thereinto, and a light-diffusing agent dispersion liquid was added thereto. Next, the obtained crude solution was stirred for 1 hour , thereby preparing a curable composition. (For example, the curable composition of Example 1 is prepared by the following operations: 40 grams of the surface-modified green quantum dot solid and 40 grams of the curable compound represented by Chemical Formula 3-1 The polymer compound was mixed to prepare a quantum dot dispersion, and 7 ...
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