国家/地区 中国（10）
IPC部 C（10） H（10） B（3）
IPC大类 C08（10）
IPC小类 C08L（10） C08J（9） H05K（8）
C08K（6） C09D（3） B32B（2）
H01B（2） H05B（2）
IPC C08L079/08（10）
发明人 CHEN K（2） YU D（2）
公开年 2021（5） 2022（5）
申请年 2021（10）
专利权人 ITEQ WUXI EL.（2）

Low-expansion coefficient halogen-free resin composition useful in laminate for printed circuit board, comprises e.g. o-cresol formaldehyde epoxy resin, bismaleimide resin, cyanate ester hardener and bisphenol A type 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide hardener.

CHEN K, YU D

Low-expansion coefficient halogen-free resin composition useful in laminate and printed circuit board, comprises e.g. o-cresol epoxy resin, bis(4-maleimidophenyl)methane, polyvalent hydroxy-modified styrene resin, phosphinate and cyanate ester hardener.

CHEN K, YU D

Use of electromagnetic material modification method in preparing polyimide foam electromagnetic shielding material.

SHI J, YANG D, CHAI X, LU X, DING Z

Flexible heating film comprises conductive structure comprising carbon nanotubes and/or graphene, and polyimide backbone that is chemically linked to aminated conductive structure via anhydride bonds.

ZHENG T, ZHANG M, ZHANG Y, MAO O, ZUO B

Carbon foam useful in thermal insulation and electromagnetic shielding material and in important fields of aerospace and weapon equipment.

ZOU H, JIANG X, LIU P

Multilayer porous polyimide composite film used as electromagnetic shielding material in telecommunication, has porous multilayer structure, and graphene and nano-silver are uniformly distributed in polyimide framework.

ZHOU Y

Low dielectric polyimide film useful in flexible printed circuit board, comprises polyimide and double-layer hollow particle, which is hollow nano-particle coated by fluorine graphene oxide.

ZHANG T, YANG F, SONG M, XIONG F, ZHANG W

Bendable electro-thermal film device comprises polyimide base layer coated with organic electric heating film on surface and organic electro-thermal film comprises e.g. graphene, multi-wall carbon nano-tube and carbon black granules.

CHEN D, YANG Y

Preparing polymer-based carbon nanocomposite microporous electromagnetic shielding material comprises preparing reduced graphene oxide, ultrasonically dissolving reduced graphene oxide and the carbon nanotubes, drying and heating.

LEI R

Polyimide composite film used preparing conductive elements, comprises polyimide matrix, and three-dimensional conductive network dispersed in polyimide matrix, where components constituting three-dimensional conductive network comprises three-dimensional graphene comprising carbon nanoparticles.

YU J, LI Z, WANG E