国家/地区 中国（3）
IPC部 B（3） C（3）
IPC大类 B29（3）
IPC小类 B29D（3）
IPC B32B033/00（3）
发明人
公开年 2021（3）
申请年 2020（2） 
专利权人

Mildew-proof wear-resistant environment-friendly polyvinyl chloride artificial leather comprises base cloth layer, and polyvinyl chloride surface layer comprising polyvinyl chloride resin, functional elastomer, plasticizer and foaming agent.

ZHANG H

Polyethylene (PE) multilayer barrier composite film comprises PE/adhesive layer/ethylene vinyl alcohol composite barrier layer/adhesive layer/PE which are laminated layer by layer.

ZHANG Q, LI Y, WANG W, LI G

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