FIELD: chemistry.
SUBSTANCE: invention comprises at least one thermosetting resin, as well as fixed and/or stable fiber structure. Means for fixing and stabilizing the ester is a random copolymer which is formed from dibasic acids, namely, terephthalic acid and optionally isophthalic acid and butanediol, diethylene glycol and triethylene glycol. A method of manufacturing a composite material consists in applying and fixing means to stabilise the fibrous material.
EFFECT: invention allows to increase the strength of the composite material and to reduce the area of separation.
14 cl, 4 tbl, 19 ex
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