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首页> 外文期刊>Coloration Technology >Dyeing of poly(lactic acid) fibres with synthesised novel heterocyclic disazo disperse dyes
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Dyeing of poly(lactic acid) fibres with synthesised novel heterocyclic disazo disperse dyes

机译：具有合成新型杂环分散染料的聚（乳酸）纤维的染色

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摘要

Poly(lactic acid) (PLA) is the first melt-processable, renewable, sustainable and biodegradable natural-based synthetic fibre. It has a broad range of uses and combines ecological advantages with outstanding performance in textiles. PLA fibre, as an aliphatic polyester, can be dyed with disperse dyes. Apart from the limited number of commercial disperse dyes, disperse dye exhaustion on PLA is generally lower than that on poly(ethylene terephthalate) (PET). In this study, new heterocyclic disazo disperse dyes, substituted with methyl, nitro and chloro groups at their ortho-, meta- and para- positions, synthesised in our previous study, were applied to PLA and PET fibres to examine their dyeing performance, and colour fastness and dye exhaustion properties. Different shades of yellow, orange, reddish brown and brown were obtained. Most of the synthesised novel heterocyclic disazo disperse dyes exhibited good build-up properties with high K/S levels on both fibres. Para- bonding substituent provided higher K/S values than meta- and ortho- positions for -NO2 and -Cl substituents for both fibres. Overall, the most synthesised novel heterocyclic disazo disperse dyes in this study exhibited good build-up properties with high K/S, exhaustion and wet fastness levels on both PLA and PET fibres.
机译：聚（乳酸）（PLA）是第一熔融可加工，可再生，可持续和可生物降解的天然基础合成纤维。它具有广泛的用途，并将生态优势与纺织品的出色性能相结合。 PLA纤维，作为脂族聚酯，可以用分散染料染色。除了有限数量的商业分散染料外，PLA的分散染料耗尽通常低于聚（对苯二甲酸乙二醇酯）（PET）。在本研究中，在我们以前研究中合成的邻接，硝基和氯基团被甲基，硝基和氯基取代的新的杂环偶数分散染料应用于PLA和PET纤维以检查它们的染色性能，以及色牢度和染料耗尽性能。获得了不同的黄色，橙色，红棕色和棕色。大多数合成的新型杂环分散染料在两根纤维上表现出具有高K / S水平的良好积聚性能。与两根纤维的-NO2和-Cl -Cl取代基的荟萃和邻位提供比k / s值高的k / s值较高。总的来说，本研究中最合成的新型杂环分散染料在PLA和PET纤维上表现出具有高K / S，耗尽和湿牢度水平的良好积聚性能。

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  • 来源
    《Coloration Technology》 |2020年第4期|356-369|共14页
  • 作者

    Avinc Ozan; Bakan Emine; Demircali Aykut; Gedik Gorkem; Karci Fikret;

  • 作者单位

    Pamukkale Univ Fac Engn Dept Text Engn TR-20160 Denizli Turkey;

    Usak Univ Higher Vocat Sch Ulubey Fash Design Programme Ulubey Usak Turkey;

    Pamukkale Univ Fac Sci Arts Dept Chem Denizli Turkey;

    Pamukkale Univ Fac Engn Dept Text Engn TR-20160 Denizli Turkey;

    Pamukkale Univ Fac Sci Arts Dept Chem Denizli Turkey;

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