| 摘要 |
FIELD: chemistry.SUBSTANCE: epoxide binder contains the following in pts.wt: epoxy-novolak resin 85-100, nitrogen-containing epoxy resin 85-100, a hardener, which is a product of reaction of 4,4'-diaminodiphenylsulpone and carboxylated nanotubes in weight ratio of 100:(1-10) 85-90, and a product of condensation of glycols with dimethyl terephthalate 5-20. The prepreg contains said epoxy binder and fibre filler - carbon bundles, tape and fabric, with the following ratio of components, wt %: said epoxy binder 30-50, said fibre filler 50-70.EFFECT: invention enables to produce epoxy binder, prepregs and articles therefrom, having improved strength properties, high impact viscosity and low moisture-absorption.4 cl, 4 tbl, 3 ex |
