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An examination has been made of questions of the compaction and structure formation under forming pressure of reinforcing organic and traditional (carbon, glass) fibrous fillers. The laws governing the compaction of the different reinforcing fibres under pressure were established, the possibilities of purposeful change in the structure of the reinforced polymeric materials during forming under pressure were shown, and the conditions of production of solid polymer composites of reinforced structure with fibrous fillers were also established.

An investigation was made of the effect of low-viscosity epoxy oligomer DER-330, active diluent DEG-1, and temperature on the rheokinetic properties of chlorine-containing epoxy oligomer of grade EKhD cured with liquid curing agent isomethyltetrahydrophthalic anhydride. It was established that, by introducing modifiers and changing the temperature, the gelation time of the epoxy binder can be varied in a wide range, from 22 min to 28 h.