国家/地区 中国（10） 巴西（2） 加拿大（2） 欧洲专利局（EPO）（2） 美国（2）
IPC部 F（12）
IPC大类 F16（12）
IPC小类 F16L（12） C08L（10） C08K（9）
B29D（5） C08J（4） B32B（3）
C09D（3） B05D（2） B29C（2）
IPC F16L009/12（12）
发明人 LIU J（6） FU Y（3） TIAN X（3）
WAN G（3） LI H（2） LIU W（2）
MEI L（2） TENG X（2） WANG J（2）
ZHOU W（2）
公开年 2021（12）
申请年 2020（8）  2021（3） 
专利权人 ANHUI GLANT .（6）

Automobile oil delivery pipe assembly for providing conveying petroleum for automobile, has oil conveying pipe comprising poly-chlorine base material layer silicon oil layer and scale anti-corrosion coating.

GUO P

Polymeric material mixture used for forming article e.g. pipe, channel and conduit for device, comprises fluorine-containing polymer, siloxane polymer, and two polymer processing additives having different chemistries.

VALENCIA A, SPRADLING C M, LUKUBIRA S, CHO S K, FAN F, CHUNG H T,

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

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

Fiber reinforced polymer composite pipe comprises second material arranged at non-linear portion and extending discontinuously between first end and second end, and first material extends continuously from first to second end.

BERNARD J, LIDDEL P D, PETHICK J

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