国家/地区 中国（5）
IPC部 B（5）
IPC大类 B32（5） F24（5） C08（4）
C09（2）
IPC小类 B32B（5）
IPC B32B001/08（5）
发明人
公开年 2021（2） 2022（2）
申请年 2020（2） 
专利权人

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

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

Ground heating pipe for heating system, has graphene heat conducting layer arranged between inner pipe and outer pipe, where water inlet end of ground heating pipe is provided with water inlet filtering component.

ZHENG B

High heat-conducting graphene floor heating pipe comprises pipe body, polyethylene layer, steel wire net layer, and graphene heat-conducting layer including graphite, antioxidant, dispersant, coupling agent, heat stabilizer, and plasticizer.

XU W, LIU Y, ZHANG H

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