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首页> 外文期刊>Colourage >Use of barrier systems to reduce hydrosulphite requirements in continuous pad-steam vat dyeing Part 1: Liquid systems
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Use of barrier systems to reduce hydrosulphite requirements in continuous pad-steam vat dyeing Part 1: Liquid systems

机译：使用阻隔系统减少连续浸轧式大桶染色中亚硫酸氢盐的要求第1部分：液体系统

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摘要

The first article on this subject in this series, viz., Sci-Tech 52 was on detailed studies of the decomposition 6f sodium hydrosulphite in chemical pad liquor of continuous pad-steam vat dyeing, highlighting the need to check this by using partial substitutes. This installment is on the use of a liquid barrier between the oxidizing pad liquor surface and air to prevent the oxidative decomposition of the reducing agent system while it is prepared and kept standing for use in pad-steam vat dyeing. Studies on this novel approach was carried out by the author some time ago at ATIRA, Ahmedabad and the beneficial results were implemented at Sarangpur Mills, Ahmedabad, who have sponsored this work at a time sodium hydrosulphite's cost and supply position were critical. .Subsequently, the author has continued this work at Century Mills, Mumbai with further improvements resulting in substantial savings of sodium hydrosulphite in continuous vat dyeing of green and brown shades that were running round the clock. Although a patent was granted to the company with the author as the main inventor, this work was presented as a paper at a joint technological conference of TRAs and a paper published in Colourage, both without giving due credit to the author. Both these papers failed to give any vital data of the research studies behind this successful work. This paper provides such data on the beneficial use of immiscible liquids of specific gravity less than that of water to facilitate formation of top barrier layer in hydrosulphite systems.
机译：本系列中有关此主题的第一篇文章，即Sci-Tech 52，是对连续式轧染缸染色的化学轧染液中6f亚硫酸氢钠分解的详细研究，强调需要通过使用部分替代品进行检查。该装置是在氧化垫液表面和空气之间使用液体屏障，以防止还原剂系统在制备并保持常用于垫式蒸汽缸染色时进行氧化分解。作者于不久前在艾哈迈达巴德的ATIRA进行了有关这种新颖方法的研究，并在艾哈迈达巴德的Sarangpur Mills实施了有益的结果，而在亚硫酸氢钠的成本和供应地位至关重要时，他赞助了这项工作。随后，作者继续在孟买的Century Mills进行这项工作，并进行了进一步的改进，从而使全天候运行的绿色和棕色深浅桶连续染色可大大节省亚硫酸氢钠。尽管已以作者为主要发明人授予了该公司一项专利，但这项工作在TRAs联合技术会议上以论文形式发表，并在Colourage上发表了论文，但均未给予作者应有的荣誉。这两篇论文都未能提供这项成功工作背后的重要研究数据。本文提供了有关比重小于水的不溶混液体有益使用的数据，以利于在亚硫酸氢盐系统中形成顶部阻挡层。

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  • 来源
    《Colourage》 |2005年第10期|p.61-64|共4页
  • 作者

    G. P. Naif;

  • 作者单位

    B2/12, Technocrat Society, Off V.S. Marg, Prabhadevi, Mumbai - 400 025;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 纺织工业、染整工业;
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