AROMATIC COPOLYMER OF AMIDOBENZIMIDAZOLE FOR PREPARING FIBERS HAVING IMPROVED OPERATING PROPERTIES AND COMPOSITION FOR PRODUCING FIBERS ON ITS BASE

摘要

FIELD: production of fireproof and heat resistant articles. SUBSTANCE: aromatic copolymer of amidobenzimidazole has formula where , n:m=20:1-1:20. Proposed composition on the base of these polymers contains (mass %): mentioned above polymer 5.5-12.0, water 0.004-0.85, lithium chloride 2.1-3.0, dimethyl acetamide the rest. EFFECT: improves operating properties. 1 tbl, 3 cl