Patent ID: 9663617
Date: 2017-05-30
CPC Classifications: C08G

Claim:
1. A fluorine-containing modified bismaleimide resin of structural formula (I), having a dielectric constant Dk (3 GHz) less than 3.0 and a dissipation factors (3 GHz) less than 0.02: where n is a positive integer greater than or equal to 1 and less than 10; R1 is selected from one or more from the group consisting of a diphenyl methane group, a diphenyl ether group, a diphenyl ether propane group, a phenyl group, and a 3,3′-dimethyl-5,5′-diether-A diphenyl methane group; and R2 is selected from one or more from the group consisting of a diphenyl hexafluoropropane group, a bis(trifluoromethyl) biphenyl group, a 4,4′-(phenoxy)phenyl-hexafluoropropane group and an octafluorobiphenyl group.