国家/地区 中国（3）
IPC部 B（3）
IPC大类 B32（3）
IPC小类 B32B（3）
IPC C08K003/36（3）
发明人
公开年 2021（2）
申请年 2020（2） 
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

Flexible metal-based graphene electric heating material, comprises flexible insulating layer, flexible graphene resistance layer, flexible insulating layer, and metal substrate arranged sequentially from top to bottom.

LI Y, LOU M

High-toughness biaxially oriented polylactic acid film comprises upper surface layer, core layer and lower surface layer, where lower surface layer is composed of e.g. macromolecule modifier, polylactic acid resin and anti-blocking agent.

LIN X, ZHENG W, LIAO G, CHEN X, JIA L