The viscosity and gel time of resin system of modified bismaleimide(BMI) resin with rigid polyetherimide(PEI) and the mechanical properties of PEI/BMI/RS/ glass composite materials were studied.

研究了刚性聚醚酰亚胺（ PEI）改性双马来酰亚胺（B MI） 树脂体系粘度特性和凝胶特性，以及PEI/BMI/RS/玻纤复合材料的力学性能。

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The results show that polyetherimide can not only toughen this resin system, but improve the dielectric performance.

研究表明，聚醚酰亚胺在改善氰酸酯树脂体系韧性的同时，也提高了树脂体系的介电性能。

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