国家/地区 中国（3）
IPC部 B（3）
IPC大类 B32（3） B65（3） B29（2）
C08（2）
IPC小类 B32B（3）
IPC B32B007/12（3）
发明人 ZHANG C（3）
公开年 2022（3）
申请年 2021（2） 
专利权人 CHANGZHOU HU.（2）

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

Extensible insulating plastic film used for packaging, comprises film main body, where inner portion of film main portion is provided with vent hole, and outermost layer of main portion provided with hydrophobic layer.

ZHANG C

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