国家/地区 中国（7）
IPC部 B（7） C（7）
IPC大类 B32（7） C09（7） C08（5）
B65（2）
IPC小类 B32B（7）
IPC B32B027/28（7）
发明人
公开年 2021（2） 2022（2）
申请年 2021（3）  2020（2） 
专利权人

Preparing foam with gradient pore structure used in preparing heat-insulating and anti-icing material, involves mixing foaming agent, curing agent and water, under uniform stirring, and curing under vacuum condition, where foaming agent is polyurethane foaming agent.

YUAN X, SHENG L, ZHAN F

Electromagnetic wave absorption structure comprises electromagnetic wave composite absorbing layer, where electromagnetic wave composite absorbing layer comprises conductive composite layer and insulating layer, and insulating layer is stacked and overlapped with conductive composite layer.

WU F

Multilayered flexible package useful in packaging systems for food, cosmetic, nutraceutical or pharmaceutical products, comprises polymeric coating comprising dispersion of antioxidant particles.

RIVA M, VACCA P, FIDECKA K, FIDECA C

Biaxially oriented polypropylene antistatic stretched film comprises polypropylene, nano nickel oxide, organosilicon, coupling agent, catalyst, adhesion promoter, graphene, graphene oxide, silicon carbide, and polyamic acid solution.

WANG H, XIANG X

Electromagnetic shielding composite material useful in field of 5G communication or aerospace, comprises absorption layer and reflective layer compounded on absorption layer; absorption layer includes modified resin layer.

RAN X, WANG C, FU C, NIE W, QIAN J, GAO Y, CHU H

Graphene multilayer composite heat insulation film used in graphene electric heating film for e.g. heating floor, comprises graphene layer, flexible macromolecule film layer, silica sol layer and glass fiber reinforced silica aerogel layer.

CHANG H, LI G, GUO H

Graphene compound for barrier element and clear packaging for product comprises optionally functionalized graphene directly bonded to nitrogen-containing compound.

ZHENG S