国家/地区 韩国（2）
IPC部 C（3）
IPC大类 C04（3）
IPC小类 C04B（3）
IPC C04B020/00（3）
发明人
公开年 2022（3）
申请年 2022（3）
专利权人

Sand mastic asphalt concrete composition used for constructing thin layer impermeable composite pavement, comprises high grade asphalt binder comprising petroleum-based asphalt, diisocyanate, polyetherpolyol, secondary amine, polymer modifier and plastic additive, and fine aggregate.

JO M

Anti-slip pavement composition used for pavement construction method, comprises performance improving material containing graphene dispersion, performance improving filler containing ground calcium carbonate and silicon dioxide, and curing agent.

HAN S O

Active powder concrete for tunnel construction and maintenance and strengthening, comprises common silicate cement, superfine mineral powder, silicon ash, fly ash, expansion agent, sand, carbon black.

GU Z