国家/地区 中国（3）
IPC部 B（3）
IPC大类 B28（3） C04（3）
IPC小类 B28B（3）
IPC B28C005/00（3）
发明人
公开年 2021（2）
申请年 2021（3）
专利权人

Concrete drainage pipe comprises regenerated aggregate, fly ash, aluminum powder and fine sand with preset fineness, fine coal gangue, lime, gypsum, diatomaceous earth, cement, nano-silica, graphene oxide, redispersible latex powder, crushed stone, plasticizer, water-reducing agent and water.

HE Y

Preparing super durable material has mixing ground cement, graded fine sand, ultra-fine ash and additives, adding water, stirring, curing preform, vacuum degassing, dehydrating, introducing liquid carbon dioxide, taking out preform, polishing surface and spraying wear-resistant material.

XI Y, QIU X, XI J

Preparing production assembly type environment-friendly energy-saving insulating plate based on urban solid waste garbage involves putting silk fiber in urea solution for degumming treatment, washing, placing in calcium chloride solution.

TANG W