国家/地区 中国（3）
IPC部 B（3）
IPC大类 B29（3）
IPC小类 B29D（3）
IPC B29D007/01（3）
发明人 ZHANG C（2） ZHOU S（2）
公开年 2022（3）
申请年 2022（2） 
专利权人 CHANGZHOU HU.（2）

Graphene/polyethylene naphthalate (PEN)/polyethylene terephthalate (PET) composite barrier film for e.g. food packaging, has three-layer structure comprising layer made of PET, and layer made of graphene/PEN/PET composite material.

WU Z, CHEN X, LIN Y, WU D, CHEN D

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

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