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1. 发明公开

EP4379128A1 FLAME-RETARDANT, THERMAL-INSULATION AND FIREPROOF MATERIAL FOR BATTERY 审中-实审
公开(公告)号：EP4379128A1
公开(公告)日：2024-06-05
申请号：EP23844158.8
申请日：2023-09-21
申请人： Ningbo Booer New Material Co., Ltd
发明人： DING, Kai , SHI, Xiaoli , PANG, Peiyan
IPC分类号： D06M15/643 , D06M11/79 , D06M11/80 , D06M11/76 , D06M11/47
CPC分类号： Y02E60/10
摘要： The present invention discloses a flame-retardant, thermal-insulating, and fireproof material for batteries, and relates to a silicone rubber flame-retardant and thermal-insulating material, which comprises a flame-retardant and thermal-insulating layer and an impact-resistant layer, wherein the flame-retardant and thermal-insulating layer comprises organic silicone rubber, a ceramic-forming filler, a flame retardant, an auxiliary agent, and glass powders with different initial melting temperatures, and molten-state temperature ranges of the glass powders cover 300 °C to 1500 °C. Various glass powders with different molten-state temperature ranges are added to the material, so that when being burned to form a ceramic layer in the temperature range of 300 °C to 1500 °C, the fireproof material always has glass powders in a molten state. The glass powders in the molten state can timely fill holes and cracks that appear at different temperatures in the ceramic layer, and ensure the continuity, integrity, and compactness of the ceramic layer as far as possible, so that the fireproof material has the characteristics of quick ceramic formation at a low temperature and high temperature resistance of about 1500 °C. The problems that the existing glass powder has a single molten-state temperature range, holes are produced in the ceramic layer due to gasification of the glass powder at a high temperature, the structural compactness is reduced, and the ceramic layer is easily burned through are solved.

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