国家/地区 中国（3）
IPC部 B（3）
IPC大类 B32（3） C08（3）
IPC小类 B32B（3）
IPC C08K003/04（3）
发明人 LI Y（3）
公开年 2021（3）
申请年 2020（3） 
专利权人

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

Steel plate spring wear-reducing gasket comprises a steel substrate and antifriction fiber sheet adhered to the surface of steel substrate and the antifriction fiber sheet includes a mesh fiber cloth.

WANG X, LIU L, XU X, WANG R, ZHONG X, LI Y, TIAN X, LI Q

Heat-resistant epoxy resin composition for preparing halogen-free intermediate-glass-transition-temperature copper-clad plate, contains graphene-modified epoxy resin, graphene-modified phenolic epoxy resin, and tetrafunctional epoxy resin.

LI Y, LIN Y, CHEN W, WEN J