| SYNTHESIS AND LIGHTFASTNESS PROPERTIES OF DYES CONTAINING HINDERED PIPERIDINE RESIDUES AS INTERNAL STABILIZING GROUPS |
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| 作者姓名： | 戴瑾瑾 John Griffiths |
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| 作者单位： | Department of Textile Chemical Engineering CTU，Department of Colour Chemistry，Univ.of Leeds，U.K. |
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| 摘 要： | The representative azo and anthraquinone dyes containing an insulated hindered piperidinegroup were synthesized.The effect of these pendent groups on lightfastness properties of the dyeswas studied,both in ethyl acetate solution and on cellulose acetate and polyester films.The differ-ent trend of fading rates of azo dyes and anthraquinone dyes in solution and on substrates suggestsdifferent fading mechanisms operating in each case.
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SYNTHESIS AND LIGHTFASTNESS PROPERTIES OF DYES CONTAINING HINDERED PIPERIDINE RESIDUES AS INTERNAL STABILIZING GROUPS |
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| Dai Jinjin.SYNTHESIS AND LIGHTFASTNESS PROPERTIES OF DYES CONTAINING HINDERED PIPERIDINE RESIDUES AS INTERNAL STABILIZING GROUPS[J].Journal of Donghua University,1991(4). |
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| Authors: | Dai Jinjin |
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| Abstract: | The representative azo and anthraquinone dyes containing an insulated hindered piperidine group were synthesized.The effect of these pendent groups on lightfastness properties of the dyes was studied,both in ethyl acetate solution and on cellulose acetate and polyester films.The differ- ent trend of fading rates of azo dyes and anthraquinone dyes in solution and on substrates suggests different fading mechanisms operating in each case. |
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| Keywords: | lightfastness synthesis dyes hindered piperidine group intra-molecular stabilized dye |
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