Enameled wire anti-aging coating

• Main Author: YUAN JINBIAO
• Format: Patent
• Language: Chinese; English
• Published: 08.02.2022
• Subjects: ADHESIVES; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; COMPOSITIONS BASED THEREON; CORRECTING FLUIDS; DYES; FILLING PASTES; INKS; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; POLISHES; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF MATERIALS THEREFOR; WOODSTAINS

The invention discloses an enameled wire anti-aging coating, which is prepared from the following ingredients in parts by weight: 85 to 100 parts of modified polybismaleimide resin, 3.2 to 5.4 parts of flame-retardant filling materials, 0.5 to 2 parts of antioxidants and 0.1 to 1 part of ultraviolet screening agents. According to the present invention, the modified polybismaleimide resin, the flame-retardant filler, the antioxidant and the anti-ultraviolet agent are mixed and baked at a high temperature to prepare the anti-aging coating of the enameled wire; the coating has excellent heat resistance, electrical insulating property, flame retardance, high and low temperature resistance and toughness. 本发明公开了一种漆包线抗老化涂层，按照重量份数计算，包括以下成分：85～100份改性聚双马来酰亚胺树脂、3.2～5.4份阻燃填料、0.5～2份抗氧化剂和0.1～1份抗紫外剂。本发明通过使用改性聚双马来酰亚胺树脂、阻燃填料、抗氧化剂和抗紫外剂混合经过高温烘烤，制备得到了一种漆包线抗老化涂层，该涂层具有优异的耐热性、电绝缘性、阻燃性、耐高低温性和韧性。