国家/地区 中国（2）
IPC部 C（2）
IPC大类 C08（2）
IPC小类 C08K（2）
IPC C08K003/04（2）
发明人
公开年
申请年 2020（2）
专利权人

Environmentally friendly flame-retardant thermal insulation PPR pipe comprises antibacterial layer, main body layer, waterproof layer and flame-retardant layer made of polyethylene particles, graphene powder and brucite grafted polyimide.

MU X

Environmentally-friendly ceramic brake block contains natural composite fibers, ceramic fibers, cis-1,4-polyisoprene, mineral composition, natural composite resin, graphene, nitrile butadiene powder and iron-chromium-aluminum alloy fibers.

WANG Q, WANG Y