Jeans bleaching – advantages and risks of different bleaching processes – part 3

The last part of the article series compares the different methods in jeans bleaching, which have been elaborated in detail in part 2, and summarize their advantages and disadvantages. The used chemicals in each of the processes are assessed against ecological criteria, especially considering the targets the ZDHC program, in order to find processes with low environmental impact. The target is to select processes which have a good price/performance level and a, good reproducibility, while using environmentally friendly chemicals, or avoid the use of chemicals.

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Jeans bleaching – advantages and risks of different bleaching processes – part 2

In this part different jeans bleaching processes are discussed, their benefits and features as well as their problems. The study is looking at chemical and mechanical treatments for open-pocket machines for fabrics and single garments. The methods discussed include bleaching processes using hypochlorite, permanganate, hydrogen peroxide, organic peroxides, laccase, ozone, glucose, sandblasting, electrochemical and laser engraving

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Jeans bleaching – advantages and risks of different bleaching processes – part 1

Jeans have become very popular across all age groups, and genders. Popular fashion shades include many styles and colors, from dark blue to bright blue and from black to grey. To obtain pale shades, jeans are usually bleached. This first article gives an overview of the working sequence and key requirements of the bleaching process

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