以聚苯醚、氰酸酯、气相二氧化硅为原料,制备了聚苯醚/氰酸酯树脂体系,并测试了以此树脂体系制得覆铜板的力学性能、电气性能、耐溶剂性能和耐湿性能。结果表明:树脂体系中双酚A型氰酸酯树脂预聚体(CEO1PO)的质量分数约为20%时,覆铜板的综合性能最为优异;气相二氧化硅的用量占体系总质量的20%~30%时,覆铜板具有较好的力学性能和绝缘性能;最佳的固化工艺参数为150℃7 MPa/1 h+230℃8 MPa/2 h+300℃10 MPa/2 h。
A polyphenylene ether/cyanate ester resin system was prepared from polyphenylene ether, cyanate ester, and fumed silica. The mechanical properties, electrical properties, solvent resistance, and humidity resistance of the copper clad laminate made by this resin system were tested. The results show that when the mass fraction of cyanate ester in the resin system is about 20%, the copper clad laminate present the best comprehensive performance. When the mass fraction of fumed silica ranges from 20% to 30%, the copper clad laminate has good mechanical properties and insulating property. The optimum curing process is 150℃7 MPa/1 h+230℃8 MPa/2 h+300℃10 MPa/2 h.
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