国家/地区 中国（4）
IPC部 B（4）
IPC大类 B29（4）
IPC小类 C08K（4） C08L（4） B29D（3）
B29C（2） B32B（2） F16L（2）
IPC C08K003/04（4）
发明人 LIU W（4）
公开年 2021（4）
申请年 2020（4） 
专利权人 ANHUI GLANT .（3）

Blowing ventilating film comprises e.g. taking each raw material, mixing calcium carbonate inorganic filler, mixing polyethylene base material and mixing auxiliary agent, melting and extruding, film blowing and molding, and shaping.

LIU W, YUE Y, JIAN G, YUE J, LI J

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

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

Preparing organic rigid reinforced and toughened alloy pipe for underground use, involves weighing high-density polyethylene, linear low-density polyethylene, and chlorinated polyethylene.

LIU J, HOU X, LIU W, FU Y, PAN X, MEI L, TENG X