国家/地区 中国（4）
IPC部 B（4）
IPC大类 B32（4）
IPC小类 B32B（4）
IPC B32B009/04（4）
发明人
公开年 2023（2）
申请年 2022（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

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

Preparing anti-deformation acrylic sheet with thermal insulation function comprises e.g. preparing acrylic base layer, preparing fiber layer, preparing thermal insulation coating, coating the thermal insulation layer coating on the fiber layer, and drying.

ZHANG X, LIN X, JIA L, WANG J, ZHU X

Preparing wall paper with air absorption and purification effect, comprises e.g. adding polyethylene glycol and epoxy resin into the reaction container, heating, reacting, adding catalyst and heating.

DONG Y