n-Alkyl-dimethyl-3-chloro-2-hydroxypropylammonium chloridesによりカチオン化されたセルロース繊維の直接染料による染色

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n-Alkyl-dimethyl-3-chloro-2-hydroxypropylammonium chlorides having an alkyl group of different chain lengths 1, 8 and 16, were applides as cationizing agents for preparing the cationized cellulosic fibers. The cationized fibers having alkyl chain length of 1 and 8 displayed the high level of the dye-exhaustion in dyeing with direct dyes, C.I.Direct Black 22, without the addition of electrolyte. The dyed fibers were superior in color fastness to the dyed original cellulosic fiber, whereas the dyed fiber having alkyl chain length of 16 was considerably inferior. And the dyed fiber having alkyl length of C16 with C.I.Direct Black 22 showed a dark wine color, which was much different from the black color of the dyed fibers having alkyk chain length of 1 and 8, the original. The dyeing properties and mechanism of the cationized fibers having different alkyl chain length with direct dye were discussed.
武庫川女子大学の論文