FIELD: chemistry.
SUBSTANCE: invention includes, pts.wt: bisphenol A based epoxy resin 60-80, polyepoxy novolac resin 20-40, nanodiamond mixture 0.025-0.1 and a hardener 80-110. The method of producing the binder involves preparing a suspension of the diamond mixture in a portion of the hardener; preparing a mixture of polyepoxy novolac resin, bisphenol A based epoxy resin and the remaining hardener and then adding the obtained mixture to said suspension. Also disclosed is a prepreg which is prepared from the binder.
EFFECT: disclosed binder enables to obtain a product possessing improved operational characteristics, high strength properties and crack resistance, low water absorption with a smaller amount of the nanodiamond mixture added to the binder.
8 cl, 3 tbl, 4 dwg
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