国家/地区 中国（12）
IPC部 C（12）
IPC大类 C09（12）
IPC小类 C09D（12） F16L（7） B05D（4）
C08K（4） C08L（3） F16B（3）
IPC C09D163/00（12）
发明人 WANG L（2） ZHANG B（2）
公开年 2013（2） 2019（2） 2022（2） 2023（2）
申请年 2019（3）  2022（3）  2013（2） 
专利权人 SHANGHAI YIL.（2）

Preparing coating for screw thread, comprises e.g. providing workpieces with screw thread, pretreating screw thread part of workpieces with screw thread; sandblasting workpiece with screw thread after pretreatment; and preheating workpiece with screw thread after sandblasting.

SUN J, WANG Y, WANG L, LI R, SONG X, LIU X

Preparing internal spiral polyvinyl chloride drainage pipe, comprises e.g. bending and spiraling steel wire, extruding, injecting into brushing mechanism, carrying out spiral groove processing, forming inner spiral groove, spraying, extruding, painting and performing preliminary drying.

LIU Z

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

Lubricating rust-proof pin shaft, comprises pin shaft main body located between pin shaft head and pressing cover, pin shaft head fixedly connected with pin shaft main body, and pressing cover movably connected with pin shaft main body.

SHI W, WANG W

Aqueous pipeline drag reduction epoxy coating useful in applying for anticorrosion and protection of fuel pipelines comprises e.g. aqueous epoxy emulsion, deionized water, modified graphene, modified nano-silicon dioxide and pigment filler.

SHI J, GUO X, CUI C, HAN Z, WANG L, DING C, LI S, SUN Z, LIU Y, LIU B, DUAN S

Self-lubricating plate spring comprises plate spring component and coating layer comprising aqueous resin, additive and graphite source comprising graphene and fluorinated graphite on surface of plate spring component.

WANG X, ZHONG X, FENG J, LIU L, WANG R, JIANG Y, CHEN M

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

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

Polystyrene antibacterial ventilation duct is useful for providing anti-bacterial and anti-viral functions, comprises riveting solid material filled into duct main portion formed by bending and forming double-layer graphene steel plate.

HE Y, HUANG J