国家/地区 中国（2）
IPC部 B（2）
IPC大类 B32（2）
IPC小类 B32B（2）
IPC B32B033/00（2）
发明人 ZHANG Q（2）
公开年 2022（2）
申请年 2021（2）
专利权人

Propylene polymer based composite film useful in packaging material has different layers comprising propylene polymer and propylene impact copolymer, propylene impact copolymer having elastic part forms dispersed strip-shaped rubber phase.

XU M, ZHANG S, GAO D, BAI Y, XU K, REN Y, LIU J, QUAN H, DONG M, ZHANG Q, CHOU B, LYU Y, SHAO J, LV Y, RUNWAY, BAIGER C, LIU Y

Lightweight soundproof vinyl floor comprises PVC layer containing lightweight porous graphene material as bottom layer material and middle layer material, color printed PVC film as printing layer, and conductive UV coating as surface conductive wear-resistant layer.

WANG K, ZHANG Q, WANG C, TONG Y, QIAN J