国家/地区 中国（4）
IPC部 B（4）
IPC大类 B32（4）
IPC小类 B32B（4）
IPC B32B027/18（4）
发明人
公开年 2021（2）
申请年 2020（2） 
专利权人

Weather-resistant drainage pipeline with multilayer structure, comprises an inner layer, an intermediate layer and an outer layer, where the intermediate layer pipe comprises PVC resin, calcium carbonate powder, calcium-zinc heat stabilizer, solid plasticizer, processing aid and toughening modifier.

HUO F, CHEN H, SONG Q, FENG J

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

Processing graphene phenolic polymer composite air duct sheet involves using phenolic resin, curing agent, foaming agent and graphene water agent.

ZHANG C, WANG Y

Sliding engine component e.g. half bearing shell, for e.g. internal combustion engine, has composite layer comprising matrix of plastic polymer-based material with functionalized graphene nano platelets distributed throughout matrix.

LAING I M, LATHAM D, GORGES R, LAING I, LANE I