国家/地区 中国（4）
IPC部 B（4）
IPC大类 B29（4）
IPC小类 B29D（4）
IPC B29D007/01（4）
发明人
公开年 2022（3）
申请年 2022（4）
专利权人

High-transparent and high-strength polyethylene heat-shrinkable film useful for packaging bottle-packed beverage, comprises e.g. first layer (comprised of low-density and metallocene polyethylene), second layer, third layer and fourth layer (comprised of high density polyethylene).

LIU Z, LI R, LIU S

Preparing medical packaging film with high barrier property comprises e.g. adding acetic anhydride and modified titanium dioxide-graphene oxide composite, preparing modified titanium dioxide-carboxymethyl cellulose composite, and preparing polyhydroxyl butyric acid valeric acid copolyester film.

ZHOU S, YUAN X, ZHANG C

Polyolefin heat-shrinkable film high performance film comprises e.g. intermediate layer and surface layer located on both sides of intermediate layer, graphene oxide, linear low density polyethylene resin, spherical alumina and polypropylene resin.

LIU L, LIU Y

High-barrier non-aluminum foil soft package lithium battery packaging film useful in the technical field of films, comprises e.g. nylon film layer, polyurethane glue layer, aluminum oxide-polyethylene terephthalate layer, polyolefin glue layers and modified polypropylene film.

FU J, MIAO H, CHEN J, LIN W