| abstract |
The invention discloses a kind of excellent modified epoxy resin composition of dielectric property, calculate by weight, its formula includes following components：40 120 parts of modified epoxy；15 75 parts of cyanate；10 60 parts of fire retardant；0.01 1.00 parts of curing accelerator.The prepreg and laminate that the modified epoxy resin composition of the present invention makes have low-k and low dielectric loss, its dielectric constant is between 3.5~3.8, dielectric loss is between 0.006~0.01, there is the combination properties such as excellent anti-flammability, heat resistance, moisture-proof simultaneously, its anti-flammability can reach flame retardant test UL 94 0 grade of V, PCT water absorption rates are relatively low, are adapted to use in high-frequency multi-layer circuit board. |