国家/地区 中国（3）
IPC部 B（4） C（4）
IPC大类 B32（4）
IPC小类 B32B（4）
IPC C08K003/04（4）
发明人
公开年 2022（3）
申请年 2022（4）
专利权人

Polyimide film used in multilayer film and flexible metal clad laminate, is obtained by imidizing polyamic acid solution containing dianhydride component including e.g. biphenyltetracarboxylic dianhydride, and diamine component including e.g. m-tolidine, and comprises graphene nanoplatelets.

JEON J, YEO M, BACK S, LEE K, CHUN J, BAEK S, LEE K N

Graphene/polyethylene naphthalate (PEN)/polyethylene terephthalate (PET) composite barrier film for e.g. food packaging, has three-layer structure comprising layer made of PET, and layer made of graphene/PEN/PET composite material.

WU Z, CHEN X, LIN Y, WU D, CHEN D

Processing high-strength computer back cover with middle frame, involves cutting epoxy glass fiber board to obtain middle frame board and cover board, milling mounting cavity on middle frame plate to form middle frame and then middle frame and cover plate are welded to obtain computer rear cover.

CAI C, YU F, LU M, CHEN J, HE H

Preparing high heat resistant high thermal conductivity copper clad laminate by mixing e.g. paper base fiber, adding silica sol, adding slurry into mold for hot pressing, impregnating high thermal conductivity reinforcing material with epoxy resin glue, laminating prepreg and cladding copper foil.

ZHOU P