国家/地区 中国（4）
IPC部 B（4）
IPC大类 B29（4）
IPC小类 B32B（4） C08K（4） C08L（4）
B29C（2） B29D（2） F16L（2）
IPC B32B001/08（4）
发明人 LIU W（4）
公开年 2021（4）
申请年 2020（3） 
专利权人 ANHUI GLANT .（4）

Graphene-modified high-efficiency heat conduction ground source heat pump pipe, has outer thermal insulation layer coated on surface of modified layer, and inner carbon fiber layer built into inner cavity of outer insulation layer.

LIU J, LIU W, WU D, LI H

Gas pipe comprises inner layer comprising polyethylene resin and graphene functional masterbatch, core layer comprising polyethylene graft resin, and outer layer comprising block copolymer polypropylene and graphene functional masterbatch.

LIU J, LIU W, WANG J, TIAN X, ZHOU W, TENG X

Enhanced wear-resistant polyethylene drainage pipe, has inner layer having polyethylene resin and graphene reinforced masterbatch, polyethylene graft resin core layer, and polyethylene graft resin outer layer set sequentially.

LIU J, WAN G, TIAN X, LIU W, MEI L, ZHOU W, FU Y

Preparing trenchless construction reinforced wear-resistant polyethylene gas pipe, comprises e.g. extruding block copolymer polypropylene, graphene black masterbatch, polyethylene resin and polyethylene graft resin, cooling, and shaping.

LIU J, FU Y, MEI L, TENG X, LIU W, WAN G, TIAN X