国家/地区 中国（2）
IPC部 B（2）
IPC大类 B29（2） B32（2） C08（2）
IPC小类 B29B（2）
IPC B32B027/08（2）
发明人
公开年
申请年
专利权人

Black-and-white black three-layer light-shielding film useful for manufacturing full shading curtain and spinning home textile, comprises first light-shielding film, second light-shielding film, and third light-shielding film comprising diisocyanate, polypropylene carbonate diol and chain extender.

HE J

Preparation of easily-processed thermal insulation composite material for preparing insulating composite mounting plate, involves pressing outer material formed of graphene metal system, intermediate material and inner material.

WANG Z, LIANG G, HAN J