Mixed ester degradable insulating material and preparation method thereof

• Main Authors: ZHANG BINGWU, ZHOU FEN, WEI CHENGLONG, CHEN XINGYU
• Format: Patent
• Language: Chinese; English
• Published: 26.04.2022
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

The invention discloses a mixed ester degradable insulating material and a preparation method thereof, and relates to the technical field of mixed ester materials, the mixed ester degradable insulating material comprises: a class A ester formed by an esterification reaction of dibasic acid and polyol under the action of a catalyst; the dammarendiol II and small molecular organic acid are subjected to esterification reaction under the action of a catalyst to form B ester; the isoderris chromene isoflavone and small-molecular organic acid are subjected to esterification reaction under the action of a catalyst to form C-type ester; and an antioxidant. The mixed ester degradable insulating material provided by the invention has better insulating property, higher stability and improved wear resistance; the mechanical property is better, and the cold resistance is obviously enhanced; wide application prospects are realized in the field of oil-filled electrical equipment. 本发明公开了一种混合酯可降解绝缘材料及其制备方法，涉及混合酯材料技术领域，该混合酯可降解