An intermediate for a composite material is described, comprising a reinforcing material impregnated with a resin composition which comprises: (A) 100 parts by weight of a mixture of (I) a polyfunctional maleimide and (II) a polyfunctional cyanate or an oligomer thereof, or a preliminary reaction product of (I) and (II); (B) from 5 to 100 parts by weight of an epoxy compound; and (C) from 5 to 50 parts by weight of a polyester compound.
描述了一种复合材料的中间体,它包括一种用
树脂组合物浸渍的增强材料,该
树脂组合物包括:(A) 100 份(按重量计)(I)多官能团马来
酰亚胺和(II)多官能团
氰酸酯或其低聚物的混合物,或(I)和(II)的初步反应产物;(B) 5 至 100 份(按重量计)环氧化合物;以及(C) 5 至 50 份(按重量计)聚酯化合物。