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Textile processing using fluidised bed technique A forgotten technique

机译：流化床技术进行纺织品加工被遗忘的技术

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Exactly a half Century ago, an innovative textile chemist and Head of Textile Department of the Shri Ram Institute for Industrial Research, Delhi, the late Dr. V. B. Chipalkatti created a kind of revolution by converting pilot plant of fluidized bed, normally used for chemical reactions, to textile applications. The technique of fluidized bed was studied for dyeing and finishing with considerable success. The idea to use fluidized bed for dyeing evolved from the success of molten metal method for dyeing, which was successfully employed for several years in India and other countries for continuous dyeing. Rapid continuous dyeing, fifty years ago, had several difficulties as only surface dyeing resulted. There are two factors in rapid continuous dyeing. One is rapid diffusion of the dye into the fibre and the other is their fixation within the fibre. Pad, steam fix technique for direct dyes was not very successful. Reactive dyes were not developed then and the pad-batch technique was not very success-ful with other available dyes.
机译：大约半个世纪之前，已故的创新化学家兼德里Shri Ram工业研究所纺织系主任，已故的VB Chipalkatti博士通过改造通常用于化学反应的流化床中试装置，掀起了一场革命。 ，到纺织应用。对流化床技术进行染色和后整理研究取得了相当大的成功。使用流化床进行染色的想法是从熔融金属染色方法的成功发展而来的，该方法在印度和其他国家/地区连续几年成功地被采用。五十年前，由于仅进行表面染色，快速连续染色遇到了许多困难。快速连续染色有两个因素。一种是染料快速扩散到纤维中，另一种是染料在纤维中的固定。用于直接染料的填充蒸汽固定技术不是很成功。当时还没有开发出活性染料，而填充间歇技术与其他可用染料并不是很成功。

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