国家/地区
IPC部 B（2）
IPC大类 C08（2） C09（2）
IPC小类 C08K（2）
IPC C09D005/33（2）
发明人
公开年 2023（2）
申请年 2022（2） 
专利权人

Manufacture of guardrail used for inside or outside of main line rail, involves pre-treating guardrail, painting pre-treated surface of guardrail with powder coating containing weather resistant polyester resin, curing agent and curing accelerator, heat treating and drying painted guide rail.

JANG S W

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