| 摘要 |
PURPOSE: Anion surfactants are used as a main component of washing up liquid but compact type washing up liquid containing anion surfactants as main component has problems such as slimy feeling and difficulty to wash up. CONSTITUTION: The composition of washing up liquid is consist of 25-50 weight % of surfactant represented by formula(1) which has benzoic carboxylic acid, there of X,Y or Z is independently selected from hydrogen, methyl, ethyl or hydroxyl group. The dissociation constant of benzoic carboxyl acid of formula(1) is in the range of 5-95 %. The washing-up liquid shows no slimy feeling when in washing up, needs little water and is easy to handle things to clean. The washing up liquid is economical and user friendly.
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