Results 11 to 20 of about 1,779 (193)
Preparation and assistant-dyeing of formaldehyde-free amphoteric acrylic retanning agent
Journal of Leather Science and Engineering, 2021 With the enhancement of environmental protection consciousness, concerns have been raised about non-toxic and biodegradable leather retanning agents. According to the European standard 2002/231/EC, the free formaldehyde content of leather products should
Jian zhong Ma +3 more
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Ficus sycomorus as a Sustainable Source of Leather Dyeing Material: An Ecofriendly Approach
Journal of Engineering, 2023 Natural colorants play a vital role in the production of eco-leather by substituting environmentally hazardous and toxic synthetic dyestuffs. In this study, a natural dye is extracted and optimized from the bark of Ficus sycomorus, a plant species ...
Girmaw Yeshanbel Kefale +1 more
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Chromed Leather Dyeing Peculiarities when Deliming with Peracetic Acid
Medžiagotyra, 2013 The research was aimed to investigate the influence of deliming with peracetic acid on leather dyeing kinetics. Hydrophobic C.I. Acid Red 213 and hydrophilic C.I. Acid Red 423 dyes were used.
Kęstutis BELEŠKA +3 more
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Majalah Kulit, Karet, dan Plastik, 2020 Natural dye, as dyeing material, delivers beautiful and distinctive color, synthetic chemical free, easy to get, easy to degrade, and produces non-toxic liquid waste. Natural dyes require mordant to attach the dye molecules into the leather fibers.
Dona Rahmawati +2 more
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Hydrolysis of used leather and application of hydrolysates [PDF]
Proceedings of the Estonian Academy of SciencesThe leather industry generates a significant amount of various wastes, and their utilisation is a serious task for researchers. Ways to reuse or decontaminate such waste are being developed intensively. Unfortunately, the reuse of finished leather, which
Renata Biškauskaitė +3 more
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Majalah Kulit, Karet, dan Plastik, 2007 Paste indigo pigment having blue colour was produced from fermentation of indigofera tinctoria leaves and twigs. Having was very popular dye and was used especially in textile industries and leather industries of fur.
Emiliana Kasmudjiastuti +3 more
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Optimizing enzymatic dyeing of wool and leather [PDF]
SN Applied Sciences, 2019 This work reports on the environmental friendly enzymatic dyeing of wool and leather performed at low temperature and mild pH conditions without any dyeing auxiliaries. The substrates have been dyed with “in situ” generated pigment by means of laccase-catalyzed oxidative coupling of dye modifier 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid ...
Alexandre António Antunes Barros +4 more
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Ink Dyes for Washable Leathers
The International Conference on Advanced Materials and Systems, 2016 6th International Conference on Advanced Materials and Systems, ICAMS 2016 -- 20 October 2016 through 22 October 2016 ...
Zengin A.C.A. +3 more
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Evaluation of the Dyeing Process for Paiche (Arapaima Gigas) Leather Using Colorant Extracted from Walnut Leaves (Juglans Neotropica) for Scaling-Up [PDF]
Iranian Journal of Chemistry & Chemical EngineeringThe technological development of paiche leather tanning is projected as a high-impact economic activity and requires the application of clean technologies, such as replacing highly toxic synthetic chemicals.
Liliana Marrufo-Saldaña +5 more
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