界面活性剤としてのアゾメチン結合を持つアリールスルホン酸塩の合成とその物理化学的性質

概要

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On purpose of obtaining a dyeing assistant which can be decomposed rapidly and deposit a dyestuff in waste water, sodium N- (4-n-alkylaminosulfonylphenyl) benzylimine-3-sulfonate (3-n) [alkyl; n-butyl (3-4), n-hexyl (3-6), n-octyl (3-8), (3-10), n-dodecyl (3-12)] were prepared from sodium benzaldehyde-m-sulfonate and corresponding p-alkylaminobenzenesulfonylamides. It was proved that (3-n) decomposed easily under the acidic and neutral aqueous solutions. It is decomposed little under the alkaline conditions. (3-6), (3-8) and (3-10) were more stable than (3-4) and (3-12) for decomposition. (3-n) decreases surface tension of water to 4045dyn/cm except for (3-12). (3-8), (3-10) and (3-12) are excellent in abilities of the solubilization of dyestuff and the emulsification of liquid paraffin.
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