国家/地区 中国（5）
IPC部 B（6） C（3）
IPC大类 B32（6）
IPC小类 B32B（6）
IPC B32B027/20（6）
发明人 BAI Y（3） GAO D（3） LV Y（3）
QUAN H（3） XU M（3） CHOU B（2）
DONG M（2） REN Y（2） XU K（2）
公开年 2022（3） 2023（2）
申请年 2021（6）
专利权人 BEIJING RES .（3） CHINA PETROL.（3）

Antistatic polypropylene composite film useful in packaging materials, comprises at least first film layer formed from a polypropylene composition and second film layer formed from a polypropylene composition.

BAI Y, XU K, CHU L, LV Y, REN Y, GAO D, XU M, QUAN H

Electromagnetic shielding polypropylene composite film useful in packaging material field, namely electronic product packaging, comprises e.g. first film layer formed by first polypropylene composition and second film layer formed by second polypropylene composition i.e. resin component.

CHOU B, BAI Y, DONG M, QUAN H, GAO D, XU M, LV Y

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

Package used for enclosing consumer product, comprises biodegradable sealant, barrier material chosen from metal or metal alloy coated with sealant and having preset thickness, biodegradable ink, and biodegradable protective layer.

BARTOLUCCI S, KELLETT P J, BOSWELL E C, LLOYD S N, LAYMAN J M, GILBERTSON G W, JAMES M I