FIELD: composite materials.
SUBSTANCE: invention relates to the field of creation of high-strength composite materials based on fibrous fillers and epoxy binders, which can be used in the aerospace industry, automotive industry, shipbuilding, and other industries. A binder includes epoxy resin, 4,4'-diaminodiphenylsulfone curing agent, and a thermoplastic modifier, as which a mixture of thermoplastics is used, consisting of polyester sulfone and carding polyarylene etherketone with a phthalide group, at the following ratio of components, wt. pt.: epoxy resin – 100, polyester sulfone – 2.5-10, carding polyarylene etherketone with a phthalide group – 2.5-10, 4,4'-diaminodiphenylsulfone – 29-30.
EFFECT: increase in impact strength, bending strength, and glass transition temperature of a binder.
1 cl, 2 tbl, 8 ex
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