国家/地区 中国（3）
IPC部 B（3） C（3） E（2）
IPC大类 C04（3） E04（2）
IPC小类 C04B（3）
IPC
发明人 ZHANG W（3）
公开年 2023（3）
申请年 2022（2） 
专利权人

Double-faced cavity lightweight high-strength assembled wall useful for prefabricated building, has interface layer, heat preservation layer, crack-proof layer and facing layer, where layers are connected by base cloth and heat preservation layer comprises e.g. cement, modified polystyrene and water.

LIN P, CHEN B, ZHANG W, ZHANG H, ZHANG Y

Preparing graphene cement additive, involves adding graphene powder, cement, anhydrite, dendritic polyamidoamine, cement adhesive and slag micropowder, placing mixed slurry in evaporation chamber, forming slimy slurry, drying and packaging.

WEI L, ZHANG W, LI L, LI X, QIN L

Anti-virus high-strength decorative board used for home and public environment for protecting human health for long time, has high-strength fiber baseplate, decorative layer above high-strength fiber baseplate, and kraft paper layer above decorative layer.

REN G, ZHANG W, XIONG H, XU J, LI J