国家/地区 中国（7）
IPC部 C（7）
IPC大类 C08（7）
IPC小类 C08K（7） C08L（7） F16L（7）
B29D（5） B32B（2） C08J（2）
C09D（2）
IPC F16L057/06（7）
发明人 LIU J（3） FU Y（2） TENG X（2）
TIAN X（2） WAN G（2）
公开年 2021（6）
申请年 2020（5） 
专利权人 ANHUI GLANT .（3）

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

High-toughness PVC pipe material comprises PVC resin, maleic anhydride graft copolymer, hydrotalcite, polyethylene wax, nano-calcium carbonate, antioxidant, ultraviolet absorbent, thiobisphenol and maleic anhydride.

ZHANG R

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

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

Preparing trenchless construction reinforced wear-resistant polyethylene gas pipe, comprises e.g. extruding block copolymer polypropylene, graphene black masterbatch, polyethylene resin and polyethylene graft resin, cooling, and shaping.

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

Multi-layer composite pipe with high thermal conductivity and high heat resistance, comprises inner layer, middle layer close to the outside of inner layer, and outer layer close to outside of middle layer.

ZHANG B, JIANG X, KONG X, LIANG J

Reinforced wear-resistant polyethylene water supply pipe useful for trenchless construction, comprises pipe body including a pressure-resistant layer and compatible layer and compatibility layer arranged inside the pressure-resistant layer.

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