The present invention relates to a thermosetting resin composition, which comprises: (A) cyanate ester compound and/or cyanate ester prepolymer; and (B) polyphosphonate ester and/or phosphonate-carbonate copolymer. The thermosetting resin composition provided by the present invention has low dielectric constant and dielectric loss tangent. The prepreg and copper clad laminate made from the above-mentioned thermosetting resin composition have excellent dielectric properties and wet-heat resistance, UL94 V-0 flame resistance, and good processability.
本发明涉及一种热固性
树脂组合物,它包括:(A)
氰酸酯化合物和/或
氰酸酯预聚 物;和 (B) 聚
膦酸酯和/或
膦酸-
碳酸酯共聚物。本发明提供的热固性
树脂组合物具有较低的介电常数和介电损耗正切。由上述热固性
树脂组合物制成的预浸料和覆
铜板具有优异的介电性能和耐湿热性、UL94 V-0 阻燃性以及良好的加工性。