Abstract: The present disclosure relates to the field of epoxide resin, and more particularly to an epoxide with a low total chlorine content and no heavy metal residues, and a preparation method thereof. Disclosed is an epoxide prepared from raw materials including an unsaturated cycloaliphatic compound containing a double bond, hydrogen peroxide, an organic acid compound, a solvent and an alkaline salt; wherein a molar ratio of the organic acid compound to the unsaturated cycloaliphatic compound containing a double bond is (1-1.5):1. The obtained epoxides obtained in the present disclosure have a high purity, a high yield, a low solvent content, low chroma, and a low chlorine and metal ion content; the reaction system is simple, environmentally friendly, safe and controllable, and the production cost is low, which can meet the technical and economic requirements and are suitable for large-scale industrial production.

Abstract: The present disclosure relates to the field of epoxide synthesis, and particularly to a safe, environmentally friendly and controllable method for preparing cycloaliphatic diepoxides. The method comprises the steps of: mixing a diene compound, a carboxylic acid, an alkaline salt, and a solvent, and cooling; dropwise adding a hydrogen peroxide solution thereto over 1-12 h; standing for layering to obtain an underlayer of an organic phase 1, washing the organic phase 1 with a washing liquid, and standing for layering to obtain an underlayer of an organic phase 2; and purifying the organic phase 2. The reaction system of the present disclosure is simple, environmentally friendly, safe and controllable, and the production cost is low, which can meet the technical and economic requirements. The obtained cycloaliphatic diepoxides have high purity, high yield, low solvent content, low chroma and low halogen content, which are suitable for large-scale industrial production.

Abstract: The present disclosure relates to the field of epoxide resin, and more particularly to an epoxide with a low total chlorine content and no heavy metal residues, and a preparation method thereof. Disclosed is an epoxide prepared from raw materials including an unsaturated cycloaliphatic compound containing a double bond, hydrogen peroxide, an organic acid compound, a solvent and an alkaline salt; wherein a molar ratio of the organic acid compound to the unsaturated cycloaliphatic compound containing a double bond is (1-1.5):1. The obtained epoxides obtained in the present disclosure have a high purity, a high yield, a low solvent content, low chroma, and a low chlorine and metal ion content; the reaction system is simple, environmentally friendly, safe and controllable, and the production cost is low, which can meet the technical and economic requirements and are suitable for large-scale industrial production.