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Green Dyeing of Wool Fibers with Madder: Study of Combination of Two Biomordant on K/S and Fastness
Fibers and Polymers ( IF 2.5 ) Pub Date : 2020-10-22 , DOI: 10.1007/s12221-020-9311-3
Mozhgan Hosseinnezhad , Kamaladin Gharanjig , Narjes Razani , Homan Imani

Nowadays, using sustainable dyeing process has become a necessity, but does not meet performance requirements. Application of biomordants was recommended to enhance the quality of dyeing. Tannin-based biomordants appeared advantageous in green dyeing; meanwhile, unconditional affinity towards fibers of different types has attracted the attention of researchers. We introduce the idea of using combination of natural mordant as a new technique for sustainable dyeing of wool and a model natural fiber. In this study, Iranian madder was used as green dye and Yellow Myrobalan (YM) and Black Myrobalan (BM) employed as biomordant. FTIR-ATR spectra of the washed, mordanted, and mordanted-dyed wool fibers confirmed appropriate bonding among wool fibers, green mordant, and dye molecules. The superior color strength of wool fibers dyed with 4 %YM+6 %BM and 40 % madder was featured by K/S value of 35.77 and was obviously higher than that of madder by sumac, 9.5. Fastness properties (light, wash, and rub fastness) of wool dyed with combination of YM and BM were good.



中文翻译:

羊毛纤维染成绿色的染色:两种生物媒剂在K / S和牢度上的组合研究

如今,使用可持续的染色工艺已成为一种必要,但已不能满足性能要求。建议使用生物媒媒以提高染色质量。单宁基生物媒质似乎在绿色染色方面具有优势。同时,对不同类型纤维的无条件亲和力引起了研究者的关注。我们介绍了使用天然媒染剂作为羊毛和模型天然纤维可持续染色的新技术的想法。在这项研究中,伊朗的茜草被用作绿色染料,黄色的Myrobalan(YM)和Black Myrobalan(BM)被用作生物媒介物。洗涤后的,染有色和染有色的羊毛纤维的FTIR-ATR光谱证实了羊毛纤维,绿色媒染剂和染料分子之间的适当粘合。K / S值为35.77,明显高于漆树的9.5。YM和BM组合染色的羊毛的牢度性能(耐晒,耐洗和耐擦牢度)良好。

更新日期:2020-10-26
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