国家/地区 中国（6） 韩国（2） 世界知识产权组织（2）
IPC部 B（6） C（3）
IPC大类 B32（6）
IPC小类 B32B（6）
IPC B32B027/18（6）
发明人
公开年 2022（5）
申请年 2021（6）
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

High-barrier heat-sealing fluorine film useful for medical packaging comprises barrier heat-sealing layer compounded on lower surface of structure supporting layer and auxiliary agent of structural supporting layer A and barrier and heat-sealing layer B comprises modified nano particles and filler.

CHENG L, ZHANG K, YIN Z, FENG W, YAN Y

Dry composite paper plastic zipper packaging bag comprises bag body and zipper provided on bag body, and bag body made of composite film, composite film sequentially includes e.g. biaxially oriented polypropylene layer, first adhesive layer, kraft paper layer, second adhesive layer.

HUANG Y

Multilayered flexible package useful in packaging systems for food, cosmetic, nutraceutical or pharmaceutical products, comprises polymeric coating comprising dispersion of antioxidant particles.

RIVA M, VACCA P, FIDECKA K, FIDECA C

Green biodegradable plastic film comprises plastic film and graphene layer, where inner part of plastic film is equipped with modified starch, inside of the plastic film equipped with polypropylene, and two sides of outer wall of the film.

QIAN Y

pH-responsive intelligent controlled-release antibacterial and degradable packaging film useful e.g. in food active packaging material, comprises active antibacterial layer and barrier layer composed of modified and dispersed graphene oxide nanosheet material prepared by biodegradable base material.

WANG Y, LI X, ZHOU X, WANG K, GAOSHU J, GONG X, QIU X