FIELD: chemistry.
SUBSTANCE: invention relates to chemical engineering of fibre materials and a method of making continuous lignin fibre. Continuous lignin fibre is obtained from alkali lignin from softwood and/or hardwood. Lignin fibre can be subjected to further treatment for production of structural carbon fibre.
EFFECT: invention enables to produce lignin fibre from renewable sources, such as coniferous and deciduous wood, as precursor for producing carbon fibre.
18 cl, 1 dwg, 37 ex
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