国家/地区 中国（7）
IPC部 B（8）
IPC大类 B29（8）
IPC小类 C08L（8）
IPC C08L067/04（8）
发明人 YANG J（2）
公开年 2022（7）
申请年 2022（8）
专利权人

Preparing electromagnetic shielding composite material comprises drying L-polylactic acid, stereo polylactic acid, polystyrene, carbon-based fillers or metal fillers, melt blending and extruding, pelletizing, crushing and sieving.

ZHONG M, YANG J, CHEN F, KUANG T, FENG H, LIU T

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

Light/heat cured shape memory hybrid material useful in three-dimensional printing, comprising light/heat curing elastic material and transition phase material.

HUANG W, YIN C, WANG T

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 materials with improved impact properties includes graphene and multi walled carbon nanotubes as reinforcement in epoxy-Jute composites.

SHARMA A K, BHANDARI R, DHAKAD S K, SHARMA S, PINCA B C

Straw material of high mechanical strength and toughness, used in hot beverage industry, comprises preset amounts of polylactic acid, auxiliary material containing nucleating agent, composite toughening agent and slipping agent, composite heat stabilizer, antibacterial agent and anti-aging agent.

HE X

Preparing completely biodegradable wrapping film used for packaging goods e.g. electronics, comprises uniformly mixing materials required for supporting layer and adhesive layer, extruding and granulating, and passing supporting and adhesive modified material layers by three-layer co-extrusion.

ZHEN W, ZHENG H

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