国家/地区 中国（9）
IPC部 C（9）
IPC大类 C08（9）
IPC小类 C08L（9） F16L（9） C08K（8）
B29D（5） B32B（3） C08J（2）
IPC F16L009/12（9）
发明人 LIU J（5） FU Y（3） TIAN X（3）
WAN G（3） LIU W（2） MEI L（2）
TENG X（2） ZHOU W（2）
公开年 2021（8）
申请年 2020（9）
专利权人 ANHUI GLANT .（5）

Composite polyethylene material useful in preparation of pipes, comprises polyethylene powder, polyethylene granules, flake graphite, graphene oxide, dispersant, mineral oil, coupling agent and antioxidant and polyethylene granules.

CHENG X, LV A, WANG L

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

Reinforced wear-resistant polyethylene water supply pipe, includes inner layer prepared from polyethylene resin, graphene functional masterbatch, core layer made of polyethylene graft resin, and outer layer of block copolymer polypropylene.

LIU J, WAN G, WANG J, TENG X, FU Y, LI H

Multi-layer composite pipe used for thermal management system of energy vehicle, comprises intermediate layer and plastic layer, where intermediate layer covers outer surface of plastic layer.

SHI M, SHEN H, MA T

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

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

Reinforced wear-resistant polyethylene water supply pipe useful for trenchless construction, comprises pipe body including a pressure-resistant layer and compatible layer and compatibility layer arranged inside the pressure-resistant layer.

LIU J, TIAN X, LIU P, JIN R, ZHOU W, ZHANG W

Reinforced wear-resistant PE drainage pipe for trenchless construction, comprises high density polyethylene, linear low density polyethylene, nano graphene, polyaniline modified bentonite and titanate coupling agent.

LIU J, CAO C, JIANG F, ZHANG J, ZHOU M, GU Y, ZHU Q

Polylactic acid modified graphene oxide oxygen barrier tube comprises random copolymer polypropylene, toughening agent, masterbatch, antioxidant, polyphthalamide and polylactic acid modified graphene oxide polymer.

CHEN H