Method for synthesizing 2-ethylhexyl glycidyl ether

In a 500 mL three-necked flask, sodium hydroxide solid, toluene, 2-ethylhexanol, and a phase transfer catalyst tetrabutylammonium bromide were sequentially added, and the mixture was stirred at room temperature for 15 minutes to uniformly mix the solution. The temperature is raised at 45 to 50 °C, and the epichlorohydrin is added dropwise within 30 to 50 minutes. The feed ratio is n(2-ethylhexanol): n (epichlorohydrin): n (sodium hydroxide) = 1 : 1. 1 ~ 1. 2: 1, stir the reaction for 4 h, and cool to room temperature. After suction filtration, the filtrate was transferred to a separatory funnel to separate the aqueous phase, and the oil phase was distilled under reduced pressure. When the alkali concentration is about 50%, the yield of 2-ethylhexyl glycidyl ether can be more than 90%.