国家/地区 中国（2）
IPC部 C（3）
IPC大类 D01（3）
IPC小类 D01D（3）
IPC D01F001/10（3）
发明人 HU Y（2）
公开年 2022（2）
申请年 2021（3）
专利权人

Controllable preparation of gradient composite membrane comprises using the strategy of dilution or concentration of precursor solution to control the concentration of load in precursor solution in real time, dynamically changing precursor solutions, pre-collecting precursor solutions.

HU Y, DU L, NIU Z

Preparing ultra-high molecular weight polyethylene fiber material comprises preparing polyethylene multi-layer fiber, extracting and stretching polyethylene multilayer fiber, compounding with low molecular weight polyethylene and ultra-high molecular weight polyethylene fiber.

HONG W, SHEN X, HU Y, ZHAO W, FENG L, XIA J, LI Z

Processing coal, comprises e.g. subjecting raw coal to liquefaction process effective to form pitch resin, and subjecting the pitch resin to variable crystallinity spinning process effective to form raw fiber.

TARGETT M, YURCHICK C L