国家/地区 中国（3）
IPC部 C（3）
IPC大类 C04（3）
IPC小类 C04B（3）
IPC C04B111/20（3）
发明人
公开年 2022（3）
申请年 2021（2） 
专利权人

Preparing sheet moulding compound material useful for lightweight bumper, comprises e.g. mixing materials, dispersing by disperser, uniformly grinding, uniformly scraping on two carrier films by sheet machine, and spreading between resin pastes drawn on two carrier films, pressing and collecting.

TU X, DU J, QIU B, LU X

Preparing composite modified asphalt comprises heating matrix asphalt, adding curing agent, compatibilizer, plasticizer, rubber powder, prepared modified epoxy resin and auxiliary agent, stirring and developing.

QI X, ZHANG Z, LIANG J, YAO W, LI J, LIU X, LI Z, SHAO Q, XIAO G, LIU W, NIU J, DANG Z, LV G, GAO F, LI G, WANG Y, LIU H, TIAN X, GAO Z, LUO Z

Repairing material for surface micro-crack of prefabricated component, comprises cement P. O52.5, fine sand, silicon ash, cellulose, starch ether,dispersed latex powder, calcium formate, diethylenetriamine and heavy calcium.

YING B, LV Q, XIANG S, DONG W, CAO L, ZHOU S