国家/地区 中国（3）
IPC部 B（3）
IPC大类 B32（3）
IPC小类 B32B（3）
IPC B32B007/12（3）
发明人
公开年 2021（2）
申请年 2020（2） 
专利权人

Film-coated board comprises anti-corrosion bottom sequentially, metal plate, hot melt adhesive film and polymer waterproof coiled material, high molecular waterproofing membrane and hot-melt adhesive film are respectively added with silicon micropowder.

ZHENG C, LI W, LI Z, HE M

Polyethylene (PE) multilayer barrier composite film comprises PE/adhesive layer/ethylene vinyl alcohol composite barrier layer/adhesive layer/PE which are laminated layer by layer.

ZHANG Q, LI Y, WANG W, LI G

High performance polyurethane flame retardant foam comprises a foam base layer, a bulked fiber layer and a silencing foam layer.

WANG X, YOU Z