国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2）
IPC小类 B01F（2）
IPC B01J019/00（2）
发明人
公开年 2023（2）
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

Filter graphene type stirring kettle, has stirring rod connected with auxiliary stirring rod, where bottom of stirring rod is fixed with scraping plate and bottom discharging port of stirring kettle body is connected with impurity filtering box.

WANG G, GUO G, ZHANG T