| abstract |
The invention discloses a kind of compositions of thermosetting resin, with solid weight meter, including：(a) hydrocarbon resin：10 ~ 100 parts；(b) maleimide ester：20 ~ 100 parts；(c) initiator：0.1 ~ 8 part；(d) cyanate ester resin：10 ~ 100 parts.Present invention employs the maleimide esters with multifunctional backbone and rigid imide ring, there is hydrocarbon resin flexible to form thermoset composition for cooperation, the two interacts, it is final that the compositions of thermosetting resin of the present invention and its printed circuit prepreg and laminate of preparation is made to have both excellent dielectric properties, heat resistance, cementability, anti-flammability, bending strength, toughness, the features such as peel strength is high, water absorption rate is low, and process industrial art performance is excellent. |