国家/地区 中国（3）
IPC部 C（4）
IPC大类 C04（4）
IPC小类 C04B（4）
IPC C08L095/00（4）
发明人
公开年 2021（4）
申请年 2021（3） 
专利权人

Modified asphalt containing nanomaterials comprises stryene butadiene styrene modified asphalt, and modified nano-graphene oxide prepared by mixing and stirring graphite, sulfuric acid, washing, centrifuging, forming nano-graphene oxide gel, stirring, washing and drying.

GUO R

Preparing crystalline graphene useful as modifying agent in preparation of modified asphalt, comprises heating high-activity calcium hydroxide powder, performing chemical vapor deposition reaction, acid washing, filtering and etching.

CUI Y

Graphene-based self-melting snow-melting pavement structure with shape memory function comprises heat insulation that is sequentially laid on the road surface from bottom to top layer, graphene-based conductive asphalt layer.

YAN H, WANG Y, LI Y, BAI J, JIANG Y

Concrete structure wall and floor repair method comprises cleaning and drying cracks and damaged areas generated on wall or floor of concrete structure, and applying repair material to cracks and breaks of the concrete structure.

KIM S, KIM G