国家/地区 中国（18）
IPC部 B（18）
IPC大类 B29（18）
IPC小类 B29D（18）
IPC C08K003/04（14） B29D023/00（12） C08L023/06（11）
F16L009/12（7） F16L057/06（5） B32B001/08（4）
B32B027/32（4） C08K009/00（4） C08L051/06（4）
B32B027/20（3） C08K003/34（3） C08K003/36（3）
C08K009/04（3） C08L053/00（3） C08L077/00（3）
发明人 LIU J（6） TIAN X（4） FU Y（3）
WAN G（3） WANG J（3） ZHOU W（3）
JIN R（2） LIU P（2） LIU W（2）
MEI L（2） TENG X（2）
公开年 2021（9） 2022（3） 2015（2） 2023（2）
申请年 2020（7）  2022（5）  2015（2）  2021（2） 
专利权人 ANHUI GLANT .（6）

Double-wall corrugated pipe material outer wall and inner wall, where outer wall comprises e.g. chlorinated polyvinyl chloride resin, grafted polyethylene solubilizer, light shielding agent, ultraviolet light absorber, strengthening agent graphene, lubricant, and nano calcium carbonate.

LUO Q, YE C, ZHENG S, CHEN G, ZHANG S

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

Fiber reinforced plastic electro-fusion pipe with independent control of mechanical performance and electrical performance comprises electric melting pipe main body embedded with resistance wire, and provided with two binding posts respectively connected to two ends of resistance wire.

HU Z, ZHENG J, SHI J, YAO R

High-strength temperature medium conveying pipeline comprises e.g. rigid reinforcing layer, polyethylene of raised temperature resistance modified foam layer, anisotropic plane high thermal conductivity graphene layer and inner core pipe in turn from outside to inside.

WANG J, SONG Q, HUO F, CHU Z

Modified polyethylene wearable composite pipe for water supply and drainage of municipal and building, has glass fiber line that is provided with multiple layers on outer layer pipe structure, inner tube body and outer layer pipe body fixedly connected with the inner layer pipe body.

LIN J

Strong corrosion resistance steel belt reinforced spiral corrugated pipe comprises steel belt and outer pipe and inner pipe composing bisphenol A epoxy vinyl resin, phenolic resin, polypropylene, glass fiber, and modified graphene.

PEI S, ZHOU S, XU J, XU H, CHEN X

Oxidation-resistant polyethylene composite pipe comprises core pipe that is provided with aluminum sheet layer provided with outer layer pipe, where core pipe and outer layer pipe are made of polyethylene, chlorinated polyethylene, dibutyltin dilaurate, zinc stearate, graphene, and barium laurate.

LIU J, WANG J, WANG H, WU D

Continuous carbon fiber winding composite reinforced polyethylene gas pipe comprises polyethylene gas pipe component comprising pressure-resistant layer containing graphene functional masterbatch and inner lining layer.

LIU J, TIAN X, LIU P, JIN R, ZHOU W

Enhanced wear-resistant polyethylene drainage pipe, has inner layer having polyethylene resin and graphene reinforced masterbatch, polyethylene graft resin core layer, and polyethylene graft resin outer layer set sequentially.

LIU J, WAN G, TIAN X, LIU W, MEI L, ZHOU W, FU Y

Reinforced wear-resistant polyethylene water supply pipe, includes inner layer prepared from polyethylene resin, graphene functional masterbatch, core layer made of polyethylene graft resin, and outer layer of block copolymer polypropylene.

LIU J, WAN G, WANG J, TENG X, FU Y, LI H