国家/地区 中国（2）
IPC部 C（2）
IPC大类 C08（2）
IPC小类 C08J（2）
IPC C08K003/04（2）
发明人 CAO Y（2）
公开年 2022（2）
申请年 2022（2）
专利权人 HUNAN ZIHARD.（2）

Preparing polymethacrylimide foam with wave-absorbing and flame-retardant performance useful as e.g. sandwich material comprises e.g. mixing methacrylic acid and methacrylonitrile, adding thickening agent, and mixing with crosslinking agent, nucleating and foaming agents to prepare second component.

TANG D, GUO L, CAO Y, ZHENG L, XIE J

Ultra-hick high temperature-resistant light broadband frequency-absorbing polymethacrylimide foam comprises e.g. methacrylic acid, methyl acrylonitrile or acrylonitrile, initiator, foaming agent, crosslinking agent, heat-resistant additive, antioxidant, thickening agent, and wave-absorbing agent.

TANG D, GUO L, ZHENG L, CAO Y, XIE J, CHEN Z