METHOD OF TREATING TEXTILE MATERIAL Russian patent published in 1997 - IPC

FIELD: textile industry. SUBSTANCE: material is impregnated with solution containing 10-80 wt % of interaction product of polytetrahydrofurandiol with tolylenediisocyanate and 1.2-16 wt % of an aromatic amine, the rest being organic solvent. Impregnated mixture is dried at 30-50 C for 0.5-2 h and then thermally treated at 80-120 C for 10-39 min. EFFECT: improved wear resistance and break characteristics. 3 cl