国家/地区 中国（2）
IPC部 B（2） C（2） H（2）
IPC大类 B32（2）
IPC小类 B32B（2）
IPC B32B027/36（2）
发明人
公开年
申请年
专利权人

Photovoltaic backboard used in photovoltaic module, comprises weather-resistant layer, base material layer, black reflecting layer comprising organic pigment, and barrier layer comprising high barrier composition containing polymer resin, nano material and additive.

ZHOU G, LIN W, LI N

Graphene electric heating film comprises upper protective layer, graphene electric heating layer, insulation layer and lower protective layer, where graphene electric heating layer comprises base layer and graphene coating.

XU J