| 摘要 |
A raw material for a washing compsn. is obtd. by reacting (a) 2.5-19.6 wt.% of an ethylenically unsatd. sulphonic or carboxylic acid or anhydride with (b) 20-95 wt.% of a nonionic tenside of formula R2-O-(alkylene-O)n1-R2 and (c) 0-60% of a sugar deriv.. In the formula, R1 is a 8-22C alkyl or 8-18C alkenyl; R2 is H, 1-4C alkyl, at least 6C cycloaliphatic gp., or benzyl; alkylene is 2-4C; and n = 1-6. |
