国家/地区 中国（9）
IPC部 C（9）
IPC大类 C08（9）
IPC小类 C08K（9）
IPC C08K003/04（9）
发明人 LIN Y（2） WANG J（2）
公开年 2017（2） 2021（2）
申请年 2017（3）  2022（2） 
专利权人 GUIZHOU LIZH.（2）

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

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

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

Multi-layer composite pipe used for thermal management system of energy vehicle, comprises intermediate layer and plastic layer, where intermediate layer covers outer surface of plastic layer.

SHI M, SHEN H, MA T

Steel belt reinforced bellow comprises outer bellows and inner pipe comprising e.g. polypropylene, ethylene/octene copolymer, silica, modified graphene, antifungal agent, light stabilizer and antioxidant and having arc shape.

FENG W, WANG P, WANG J

Graphene-based inorganic fiber pipeline comprises inner lining layer, fiber reinforcement layer and outer protective layer, where inner lining layer and outer protective layer are made of high-temperature-resistant adhesive material.

HUANG Y, HUANG Z

Polyethylene water supply pipe comprises inner antibacterial layer and outer polyethylene layer including polyethylene resin, nano-silica, nano-titanium dioxide, modified graphene, stearic acid, zinc stearate, and polyethylene wax.

LIN Y

Polyethylene composite pipeline comprises outer polyethylene layer, and inner antimicrobial layer containing polyethylene resin, nano silica, nano titania, nano zinc, modified graphene, stearic acid, calcium stearate, and polyethylene wax.

LIN Y

Steel mesh structured composite pipe contains high-density polyethylene, low-density polyethylene, linear low-density polyethylene, ethyl vinyl acetate, graphene, carbon nanotubes, polyimide fibers, and drawing grade polypropylene.

XIANG J, WU Y