国家/地区 中国（4）
IPC部 D（4） B（2）
IPC大类 D01（4） B32（2）
IPC小类 D01D（4）
IPC D01D005/24（4）
发明人
公开年 2022（2） 2023（2）
申请年 2022（4）
专利权人

Hollow carbon fiber tube, formed by winding composite material body, composite material body comprising multiple carbon fiber prepreg layers; and one graphene-containing resin layer, where each of graphene-containing resin layer is disposed between two adjacent carbon fiber prepreg layers.

LI M, LIOU S, LIU S

Integrated method of cotton pruning and molding for hollow cotton production by mixing e.g. graphene and raw cotton fiber, adding e.g. polyether polyol, silicone oil, melt-spinning obtained material, covering hollow cotton with elastic base cloth for wrapping, trimming, cutting, and rolling.

YANG S

Laminated structure hollow micro-nano fiber non-woven material useful in e.g. field of cold protection and heat preservation, comprises upper surface layer, lower surface layer, and middle layer arranged between upper and lower layers, which are hollow nano-fiber layer with dense fibers stacked.

ZHANG W, GE J, XIE D, SHAN H, FU Q

Preparing long stagnant ultrafine hollow conductive long fibers by electrospinning, comprises blending polyethylene and graphene, carbon nanotubes, and conductive graphite, adding polyvinyl alcohol, heating to obtain spinning melt, spinning, segmenting and bonding received hollow fibers.

GUO H, LIU Y