国家/地区 中国（3）
IPC部 C（3）
IPC大类 C08（3）
IPC小类 C08K（3） C08L（3） F16L（3）
IPC C08K005/098（3）
发明人
公开年 2021（2）
申请年 2021（3）
专利权人

Multifunctional oxygen barrier pipe useful in cold water and/or hot water conveying and preparing floor heating pipe material, comprises first PB layer, outer hot melt adhesive layer, aluminium layer, inner hot melt adhesive layer and second PB layers from outside to inside in turn.

JIN J, WANG L, LIANG Y

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

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