国家/地区 中国（2）
IPC部 B（2）
IPC大类 B29（2）
IPC小类 B29B（2）
IPC C04B035/628（2） C04B035/84（2）
发明人
公开年
申请年 2021（2） 
专利权人

Mixed fiber preform reinforced composite material useful in three-dimensional mixed-woven polyimide reinforced polyformaldehyde composite material, has e.g. fiber perform, namely three-dimensional fabric woven by two to five fibers.

CHEN Z, XIAO Q, MIAO Y

Preparation of carbon fiber preform involves soaking first modified carbon fiber cloth in dispersion liquid of carbon nanomaterial to obtain second modified carbon fiber cloth, and weaving second modified cloths to obtain final product.

LI A, JIA L, SONG Y, WANG M, ZHANG D