国家/地区 中国（4）
IPC部 B（4） C（4）
IPC大类 B32（4） C08（4） B29（3）
B65（2）
IPC小类 B32B（4）
IPC C08J005/18（4）
发明人
公开年 2022（4）
申请年 2022（4）
专利权人

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

Multi-layer high-barrier high-strength biodegradable film comprises e.g. polybutylene adipate terephthalate pellets, polymer L-lactic acid pellets, polymer D-lactic acid pellets, modified gas barrier agent polybutylene adipate terephthalate pellets, polymer L-lactic acid pellets and chain extender.

CAO Z, YANG Z, GE Z, HUANG Q, HE Y, LI Y, LIU Y, YANG J, SHEN B

Composite material useful for packaging fruit and vegetable, comprises nano- bacteria separating layer, core layer and ventilating layer, where the core layer is set between the nano- bacteria separating layer and ventilating layer and the nano- bacteria separating layer is set at outermost side.

LIU D, TANG J, CHEN L, LIU H, LIU J, LI X, WANG J

Preparing degradable graphene box used in field of food packaging comprises dissolving copper sulfate in deionized water, dissolving oxide graphene, mixing oxidized graphene/copper composite anti-bacterial agent and polylactic acid, mixing starch, polylactic acid and auxiliary agent, and extruding.

LIANG D, ZHANG H, PAN D, YU Z