国家/地区 中国（3）
IPC部 B（3）
IPC大类 B32（3）
IPC小类 B32B（3）
IPC B32B037/12（3）
发明人
公开年 2021（2）
申请年 2020（3） 
专利权人

Plastic sheet comprises base layer, whose bottom end is coated with anti-adhesion layer and top end is bonded with optical film layer, whose top end is bonded with protective film layer, whose upper end is coated with dye layer.

JI S, XU M

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

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