Photodegradation of an anthraquinone type disperse dye on polyester, diacetate, and triacetate fibers, and in solution
Photodegradation of an anthraquinone type disperse dye on polyester, diacetate, and triacetate fibers, and in solution
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蒽醌型分散染料在聚酯、二醋酯和三醋酯纤维上以及在溶液中的光降解
DOI：
10.1016/s0143-7208(96)00066-6
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发表时间：
1997
影响因子：
4.5
通讯作者：
T. Takagishi
中科院分区：
文献类型：
--
作者：
N. Katsuda;T. Omura;T. Takagishi
在先前的论文中，报道了偶氮型分散染料在聚酯和尼龙纤维上的光降解行为（Katsuda，N.，Takagishi，T.，Yabushita，S. & Hshizhiang，S.，染料和颜料，31（1996）291）。本文研究了蒽醌型分散染料在涤纶、二醋酸酯和三醋酸酯纤维上，特别是在涤纶纤维上的光降解行为，以及在溶液中的光降解行为。使用被分成20个波长部分的氙灯作为光源，用201至701 nm的20个不同波长的单色光照射纤维本身和染色纤维。研究了染料在不同波长下的光降解行为，以阐明染料在纤维上的光褪色机理。观察到在316 nm附近对聚酯纤维上的分散染料有显著影响。在二醋酯和三醋酯纤维上的相同染料分别在230和259 nm附近发生光褪色。光纤本身在相应波长处受到显著影响。为了澄清这些情况，检查了染料在含有溶解聚酯的乙酸乙酯中的光降解。染料被发现在316 nm处显着降解时，聚酯也存在于系统中。
In a previous paper, the photodegradation behavior of an azo type disperse dye on polyester and nylon fibers was reported (Katsuda, N., Takagishi, T., Yabushita, S. & Hshizume, S., Dyes and Pigments, 31 (1996) 291). In this present paper, the photodegradation behavior of an anthraquinone type disperse dye on fibers such as polyester, diacetate, and triacetate, and in particular on polyester fiber, and in solution have been investigated. The fiber itself and the dyed fiber were irradiated with monochromatic light of 20 different wavelengths from 201 to 701 nm, using as light source a Xenon lamp divided into 20 wavelength parts. The photodegradation behavior at each wavelength was examined to elucidate the mechanism of the photofading of the dye on the fibers. It was observed that the disperse dye on polyester fiber was significantly affected at around 316 nm. The same dye on diacetate and triacetate fibers underwent photofading near 230 and 259 nm, respectively. The fiber itself was influenced remarkably at the corresponding wavelength. To clarify these situations, the photodegradation of the dye in ethyl acetate containing dissolved polyester was checked. The dye was found to be degraded markedly at 316 nm also when polyester was present in the system.