国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2）
IPC小类 B01J（2）
IPC B01J019/00（2）
发明人 LIANG Y（2）
公开年
申请年 2022（2）
专利权人

Preparing in-situ polymerized polyester composite material with powder added online comprises e.g. mixing and beating dihydric alcohol, dibasic acid and auxiliary materials, then ultrasonically filtering, mixing and dispersing uniformly powder and product, and carrying out polycondensation reaction.

ZHU Y, SHAO X, LIANG Y, SONG C, ZHOU L, JIANG Y

Preparing polyurethane, involves preparing polyol using e.g. polyether, polytetrahydrofuran ether, polyethylene glycol, compatibilizer polybranched polyester and foaming agent, then preparing isocyanate using diphenylmethane diisocyanate, and mixing polyol and isocyanate in mixing reaction kettle.

ZHAO W, LIANG Y, YAO H, YANG Z, LIU J, SHI J