FIELD: chemistry.
SUBSTANCE: invention relates to production of high-strength carbon bundles used to produce high-quality composites and a method of binding fibrous polyacrylonitrile (PAN) material when carrying out steps of producing carbon fibre therefrom. A method when carrying out steps which require process continuity when producing carbon fibre therefrom or producing express samples for processing phased modes and analysing a PAN precursor for suitability comprises binding short carbon fibres to a long PAN fibre with a braid consisting of two carbon fibres and one analysed fibre, such that the carbon fibre is an intermediate link between the PAN fibres, the length of the braid is not less than 100 mm with 3-4 weaves per cm.
EFFECT: high content of carbon fibres in the composite and maximum realisation of mechanical properties of the composite material.
5 dwg
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