TEXTILE-AUXILIARY SUBSTANCE TO PREPARE TEXTILE MATERIALS CONTAINING NATURAL FIBERS TO DYING AND FINISHING Russian patent published in 1997 - IPC

FIELD: textile chemistry. SUBSTANCE: invention relates to preparing textile materials containing natural and mixed fibers for dying and finishing in the stages of washing, desizing, and bleaching. Auxiliary substance contains (in wt %): RC₆H₄O(CH₂CH₂O)_nCH(CH₃)-OC₄H₉ where R is C₈-C₉-alkyl, and n = 10-12, 15-25; acetaldehyde alkylpolyoxyethylenebutylacetal of general formula R¹O(CH₂CH₂O)_mCH(CH₃)OC₄H₉ where R¹ is C₁₀-C₂₀-alkyl, and m = 10-20, 15-25; N-octadecyl-N- sulfosuccinoylaspartic acid tetrasodium salt, 20-30; and water, the balance. Characteristics: surface tension measured by stalagmometric method for aqueous solution with concentration 2 g/cu.dm - 30-33 mN/m; foaming capacity in compliance with Miles procedure for concentration 2.5 g/sq. dm after 180 s - 55-60 ml; stable in 14% NaOH solution. Capillarity of cotton and mixed fabrics after treatment is 130-135 mm/h and whiteness degree 82- 85%. EFFECT: improved performance characteristics. 4 tbl