国家/地区 中国（3） 日本（2） 美国（2）
IPC部 C（5）
IPC大类 C01（5） D01（5） C08（3）
B82（2）
IPC小类 C01B（5）
IPC D01F009/145（5）
发明人
公开年 2021（2）
申请年 2021（2） 
专利权人 TEIJIN LTD（2）

Preparation of crystallinity carbon fiber involves adding two-dimensional sheet crystal in one-dimensional linear polymer solution, performing wet spinning, and heating composite precursor obtained by spinning and high temperature processing.

LIU Y, XU Z, MING X, GAO C

Preparing graphite fibers with graphite microsheets arranged in radial direction, comprises e.g. placing layered structure substrate in high temperature furnace, placing solid carbon-containing precursor, closing furnace, vacuuming, introducing inert gas, heating, and carrying out induced growing.

ZHOU B, LI Z, LI F, GE X

Pitch-based ultrafine carbon fiber comprises specific nitrogen atom content measured by X-ray photoelectron spectroscopy, and has specified average fiber diameter and true density.

YAGI K, KOMURA S, HIRAKAWA R

Fabricating high-performance carbon fiber, comprises making graphene carbon fiber composition by mixing composition including one of e.g. rayon-based carbon fiber to fabricate carbon fiber and graphene powder, and heating composition.

LEE J K, CHOI W K

Pitch-type carbon short fiber filler for resin composition used for molded products, has graphene sheet closed in filler end surface, and specified range of average fiber diameter as observed by optical microscope.

HARA H, HIRATA S, SANO H