国家/地区 中国（8） 韩国（4） 美国（3） 世界知识产权组织（3） 欧洲专利局（EPO）（2） 日本（2）
IPC部 B（12）
IPC大类 B32（12）
IPC小类 B32B（12）
IPC B32B027/18（12）
发明人
公开年 2022（5） 2021（3）
申请年 2020（4）  2022（3）  2021（2） 
专利权人

Synthetic resin pipe reinforced with improved outer peel layer comprises e.g. main layer comprising main body, inner peel layer formed as thin film on inner circumferential surface of main layer made up of vinyl chloride, and polyethylene.

HWAN K J

Anti-scale layer used in preparing heat-resistant polyethylene (PE-RT) floor heating pipe, comprises PE-RT, organic silicone masterbatch, nano-silicon dioxide and modified-graphene oxide prepared by modifying graphene oxide with surface modifier.

OU J, CHEN S, CHENG X, QIN X, LV A

Fluid transport tube for transporting different grades of fuel and their vapor such as brake fluids, transmission oil and coolants during vehicle operation, ha layer having polymer or copolymer which is formed into circular cross-sectional profile, and graphene material in layer.

DOBLE C, HAHN R, BANERJI A

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

Long-term oxygen blocking floor heating pipe with far-infrared radiation function comprises ethylene vinyl alcohol resin, graphene, seaweed carbon, ceramic powder, silica, maleic anhydride grafted polyethylene and heat-resistant polyethylene.

JIN T, LEI G, PENG Y

High thermal conductivity and low gas permeability fluororesin tube useful for heat exchanger comprises fluororesin, thermally conductive flat filler and filler in form of nano-sized thermally conductive fibers.

CHOI J H

Cooling structure used for cooling article, comprises infrared ray and UV ray absorption and emission layer comprising polymer matrix and conversion material comprising nanoparticles of core-shell structure including core formed of semiconductor material and shell, and visible light reflective layer.

OH S J, LEEHEON, JEON S, SONSUMIN

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

Oxygen-barrier floor heating pipe comprises an inner layer (of modified graphene oxide, fluoropolymer and polymer matrix), an outer layer (of e.g. polymer matrix), an adhesive layer (of e.g. hot melt adhesive) and an oxygen-barrier layer.

WANG J, GAO Y, XIE W