国家/地区 中国（6）
IPC部 B（6） C（3）
IPC大类 B32（6） B65（6） B29（4）
C08（3）
IPC小类 B32B（6）
IPC B32B027/08（6）
发明人
公开年 2022（5）
申请年 2021（6）
专利权人

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

Processing technology of medicinal composite film based on temperature-sensitive technology comprises e.g. coating adhesive on one side of polyester film layer to form first adhesive layer, compounding polyvinylidene chloride film layer with first adhesive layer, and curing.

ZHOU S, ZHANG C, GU S

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

Graphene composite packaging bag for containing and protecting food, has inner layer comprising graphene reinforcing layer and graphene antibacterial layer that are thermally bonded with adhesive layer.

LI Y