Scientists at the University of Leeds have developed a technique to dye polyester using 90 % less chemicals and 40 % less water. Image Credit: Taigi/Shutterstock.com Fizzy water was the key to making ...

Azo dyes, defined by their characteristic azo group (–N=N–), represent one of the most important classes of synthetic dyes in modern textile chemistry. Their extensive π-conjugation systems render ...