国家/地区 中国（9）
IPC部 C（9）
IPC大类 F16（9）
IPC小类 F16L（9） C09D（7） C08L（4）
C08K（3）
IPC F16L058/10（9）
发明人 WANG J（2）
公开年 2022（4） 2018（2） 2021（2）
申请年 2021（5）  2017（2） 
专利权人

Preparing pipe material comprises cleaning mineral-inorganic composite materials, grinding, melting, casting and forming in combination with pipe mold by means of centrifugal casting, demolding and cooling, heating and densifying, and coating anti-corrosion coating.

WANG P

Preparing graphene oxide-epoxy ceramic composite material that is used for preventing corrosion of inner wall of pipeline, involves modifying graphene oxide by nano-zinc oxide, so that carboxyl group on surface of graphene oxide is bonded to hydroxyl group.

SUN T, YAN W, YAN Y

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

Composite aluminum pipe with G-shaped pipe comprises a steel pipe and an aluminum pipe combined by cold drawing, and a fin connected with aluminum pipe by a groove outside aluminum pipe and a coating layer provided at outer part of G-shaped pipe.

LU Y

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

Wear-resistant and corrosion-resistant pipe fitting comprises ultra-high molecular weight polyethylene, leveling agent, silicone oil, nano particles.

WANG W, LIU Z, SUN L

Inhibition of microbial corrosion of metal pipe involves applying coating comprising epoxy resin and antibacterial anticorrosive material containing rare-earth-hybrid silicon nitride-graphene composite material, on surface of metal pipe.

GUO P

Corrosion resistance graphene oil delivery pipe, has butyl rubber layer is fixed to metal net, where buffer rubber block is fixed between butyl rubber layer and metal net, and outer wall coating of metal net layer is fixed to graphene layer.

HUANG Y, BIAN D, WANG J, ZHANG X, SHEN H

High-temperature-resistant graphite alkenyl mono-component epoxy anti-corrosive coating used for high temperature pipeline includes epoxy resin, toughening agent, graphene, silane coupling agent, dispersant, pigment and dicyandiamide.

MA X