国家/地区 中国（5）
IPC部 B（5）
IPC大类 B32（5）
IPC小类 B32B（5）
IPC C08K003/04（3） B32B007/12（2） B32B015/18（2）
B32B015/20（2） B32B017/02（2） B32B037/10（2）
B32B037/24（2） B32B038/00（2） B32B038/16（2）
C08J005/24（2） C08K003/36（2） C08K007/14（2）
C08L063/00（2）
发明人 LI Y（5）
公开年 2021（5）
申请年 2020（4） 
专利权人

Preparation method of wave-absorbing epoxy resin of wave-absorbing epoxy resin composite material, involves banburying and coarse mixing epoxy resin and absorbent, refining, mixing, adding curing agent, triggering and curing wave-absorbing epoxy resin curing system at different temperature stages.

LV T, LI Y, GONG Y, LI M, ZHAO H

Flexible metal-based graphene electric heating material, comprises flexible insulating layer, flexible graphene resistance layer, flexible insulating layer, and metal substrate arranged sequentially from top to bottom.

LI Y, LOU 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

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