| 摘要 |
FIELD: textile industry. SUBSTANCE: invention relates to obtaining dyed heat- and fire-resistant aramide fibers used in manufacture of protective working clothes and provides method, wherein fiber is formed from aromatic polyamide solution by wet or dry-wet techniques, in particular from solution of aromatic polyamide with 1.5 to 20 wt % of polyacrylonitrile followed by heat treatment of fibers in air at 240-350 C. EFFECT: simplified dyeing process. 5 cl, 1 tbl, 21 ex
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