国家/地区 中国（4）
IPC部 B（4）
IPC大类 B05（4） C09（4） C08（2）
F16（2）
IPC小类 B05D（4）
IPC C09D123/06（4）
发明人 LIU J（4）
公开年 2020（2） 2021（2）
申请年 2019（2） 
专利权人 ANHUI GLANT .（2） JIANGSU KEDU.（2）

Corrosion resistant polyethylene water supply pipe material comprises base layer and anticorrosive graphene coating comprising polyethylene, color master batch, epoxy resin and dispersant.

LIU J, WANG J, LI H

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

Natural gas pipeline anti-corrosion device, has pipeline whose inner surface is coated with graphene primer coating, where outer surface of graphene finish paint coating is equipped with polyethylene protective layer.

ZHAO H, LI C, LIU J

Preventing corrosion of natural gas pipeline by applying graphene primer coating and graphene topcoat coating in pipeline, curing, applying primer and topcoat coatings on outside pipeline, adding polyethylene protective layer and curing.

ZHAO H, LI C, LIU J