国家/地区 中国（8）
IPC部 C（8）
IPC大类 C08（8）
IPC小类 C08K（8） C08L（8） F16L（8）
B32B（3） B29D（2）
IPC C08K003/04（8）
发明人 LIU J（2） ZHOU W（2）
公开年 2021（8）
申请年 2020（5）  2021（3） 
专利权人 ANHUI GLANT .（2）

Combined pressure-resistant double-wall corrugated pipe has corrugated pipe provided with corrugated grooves, and exhaust pipe passing arc-shaped limiting groove and installed on annular airbag, which is in contact with corrugated groove.

LIU L, JIANG H, ZHANG Z, JIANG J, ZHANG Y

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

Rubber composite material used for sand suction hose, contains graphene oxide/styrene butadiene rubber composite rubber, styrene butadiene rubber, white carbon black, stearic acid, nano-zinc oxide, vulcanizing agent, and anti-aging agent.

ZHOU Y, ZHOU W

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

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

Environmentally friendly flame-retardant thermal insulation PPR pipe comprises antibacterial layer, main body layer, waterproof layer and flame-retardant layer made of polyethylene particles, graphene powder and brucite grafted polyimide.

MU X

Composite material prepared by modifying graphene oxide and treated nano-nickel chromite particles, mixing polyethylene and dispersant, vacuum drying, and vulcanizing, used in aluminum-plastic composite pipe.

INVENTOR U

Reinforced wear-resistant PE drainage pipe for trenchless construction, comprises high density polyethylene, linear low density polyethylene, nano graphene, polyaniline modified bentonite and titanate coupling agent.

LIU J, CAO C, JIANG F, ZHANG J, ZHOU M, GU Y, ZHU Q