国家/地区 中国（3）
IPC部 B（3）
IPC大类 B32（3）
IPC小类 B32B（3）
IPC C08L063/00（3）
发明人 CHEN K（2） YU D（2）
公开年 2022（3）
申请年
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

Preparing a electric response shape memory composite material useful in electric drive shape memory polymer material low resistor and high stability, comprises e.g. taking shape memory polymer solution/prepolymer solution, dispersing and forming uniform conductive slurry and coating into groove mold.

LIU Y, ZHANG F, HU R, LENG J

Halogen-free low-dielectric epoxy resin composition useful in laminated plate and printed circuit board, comprises e.g. dicyclopentadiene epoxy resin, cresol novolac epoxy resin, maleimide resin, and 9,10-dihydro-9-oxa-10-phosphaphenan-threne-10-oxide-bisphenol phenolic resin hardener.

CHEN K, YU D