国家/地区 中国（4）
IPC部 B（6）
IPC大类 B32（6） C08（6） F16（4）
B29（2） F24（2）
IPC小类 B32B（6）
IPC C08K003/04（6）
发明人
公开年 2022（6）
申请年 2021（3）  2022（2） 
专利权人 RIFENG ENTER.（2）

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

Multifunctional oxygen barrier pipe useful in cold water and/or hot water conveying and preparing floor heating pipe material, comprises first PB layer, outer hot melt adhesive layer, aluminium layer, inner hot melt adhesive layer and second PB layers from outside to inside in turn.

JIN J, WANG L, LIANG Y

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