国家/地区 中国（4）
IPC部 C（4）
IPC大类 C04（4）
IPC小类 C04B（4）
IPC C04B035/628（4）
发明人
公开年 2022（2）
申请年 2021（3） 
专利权人

Modified chopped carbon fibers used for forming carbon-ceramic brake disc, comprise polyacrylonitrile carbon fibers as chopped carbon fibers including surface modification group comprising thiourea group and aromatic ring, and having preset length.

TANG B, ZHU K, ZHOU G, XIANG L

Preparing graphite felt for liquid flow battery, involves activating graphite, dissolving polymer in solvent, adding metal ion solution, dipping graphite in polymer mixed solution, placing in freeze drier, and sintering graphite.

GUO Y, CHEN G, WANG Y, XIONG R

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